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Code Issues Releases Wiki Activity

GB28181: Enable regression test for gb28181. v5.0.122

Browse source 
1. Build regression test tool for gb28181.
2. Run regression test for gb28181.
3. Format go code and eliminate logs.
4. Change base docker to ubuntu20.

PICK 7750bdae10
This commit is contained in:
winlin 2022-12-31 17:15:07 +08:00
parent bc381a0242
commit 3f7c4a7ff4
32 changed files with 3882 additions and 9727 deletions
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17
.github/workflows/test.yml vendored
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@ -171,16 +171,15 @@ jobs:
uses: actions/checkout@v3
# Tests
- name: Build test image
run: docker build --tag srs:test -f trunk/Dockerfile.test .
run: docker build --tag srs:test --build-arg MAKEARGS='-j2' -f trunk/Dockerfile.test .
# For utest
- name: Run SRS utest
run: docker run --rm srs:test bash -c 'make utest && ./objs/srs_utest'
run: docker run --rm srs:test ./objs/srs_utest
# For regression-test
- name: Run SRS regression-test
run: |
docker run --rm srs:test bash -c 'make && \
./objs/srs -c conf/regression-test.conf && \
cd 3rdparty/srs-bench && make && ./objs/srs_test -test.v'
docker run --rm srs:test bash -c './objs/srs -c conf/regression-test.conf && \
cd 3rdparty/srs-bench && ./objs/srs_test -test.v && ./objs/srs_gb28181_test -test.v'
runs-on: ubuntu-20.04
coverage:
@ -192,7 +191,7 @@ jobs:
uses: actions/checkout@v3
# Tests
- name: Build coverage image
run: docker build --tag srs:cov -f trunk/Dockerfile.cov .
run: docker build --tag srs:cov --build-arg MAKEARGS='-j2' -f trunk/Dockerfile.cov .
# For coverage
- name: Run SRS covergae
if: ${{ startsWith(github.ref, 'refs/heads/') || startsWith(github.ref, 'refs/pull/') }}
@ -210,9 +209,9 @@ jobs:
#
echo "For github.ref=${{ github.ref }}, github.sha=${{ github.sha }}"
echo "SRS_BRANCH=$SRS_BRANCH, SRS_PR=$SRS_PR, SRS_SHA=$SRS_SHA, SRS_PROJECT=$SRS_PROJECT"
docker run --rm --env CODECOV_TOKEN=$CODECOV_TOKEN \
--env SRS_BRANCH=$SRS_BRANCH --env SRS_PR=$SRS_PR --env SRS_SHA=$SRS_SHA --env SRS_PROJECT=$SRS_PROJECT \
srs:cov bash -c 'make utest && ./objs/srs_utest && bash auto/codecov.sh'
docker run --rm --env CODECOV_TOKEN=$CODECOV_TOKEN --env SRS_BRANCH=$SRS_BRANCH \
--env SRS_PR=$SRS_PR --env SRS_SHA=$SRS_SHA --env SRS_PROJECT=$SRS_PROJECT \
srs:cov bash -c './objs/srs_utest && bash auto/codecov.sh'
#
runs-on: ubuntu-20.04

1
trunk/3rdparty/srs-bench/.gitignore vendored
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@ -7,3 +7,4 @@ objs
.format.txt
.DS_Store
*.log

10
trunk/3rdparty/srs-bench/Makefile vendored
View file

@ -3,7 +3,7 @@
default: bench test
clean:
rm -f ./objs/srs_bench ./objs/srs_test
rm -f ./objs/srs_bench ./objs/srs_test ./objs/srs_gb28181_test
.format.txt: *.go srs/*.go vnet/*.go janus/*.go gb28181/*.go
gofmt -w .
@ -14,12 +14,16 @@ bench: ./objs/srs_bench
./objs/srs_bench: .format.txt *.go srs/*.go vnet/*.go janus/*.go gb28181/*.go Makefile
go build -mod=vendor -o objs/srs_bench .
test: ./objs/srs_test
test: ./objs/srs_test ./objs/srs_gb28181_test
./objs/srs_test: .format.txt *.go srs/*.go vnet/*.go Makefile
go test ./srs -mod=vendor -c -o ./objs/srs_test
./objs/srs_gb28181_test: .format.txt *.go gb28181/*.go Makefile
go test ./gb28181 -mod=vendor -c -o ./objs/srs_gb28181_test
help:
@echo "Usage: make [bench|test]"
@echo " bench Make the bench to ./objs/srs_bench"
@echo " test Make the test tool to ./objs/srs_test"
@echo " test Make the test tool to ./objs/srs_test and ./objs/srs_gb28181_test"

26
trunk/3rdparty/srs-bench/README.md vendored
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@ -7,10 +7,20 @@ WebRTC benchmark on [pion/webrtc](https://github.com/pion/webrtc) for [SRS](http
编译和使用：
```bash
git clone https://github.com/ossrs/srs-bench.git && git checkout feature/rtc &&
make && ./objs/srs_bench -h
git clone -b feature/rtc https://github.com/ossrs/srs-bench.git &&
cd srs-bench && make && ./objs/srs_bench -h
```
编译和启动SRS:
```bash
git clone https://github.com/ossrs/srs.git &&
cd srs/trunk && ./configure && make &&
./objs/srs -c conf/console.conf
```
请按下面的操作启动测试。
## Player for Live
直播播放压测，一个流，很多个播放。
@ -102,11 +112,7 @@ ffmpeg -re -i doc/source.200kbps.768x320.flv -c copy -f flv -y rtmp://localhost/
回归测试需要先启动[SRS](https://github.com/ossrs/srs/issues/307)，支持WebRTC推拉流：
```bash
if [[ ! -z $(ifconfig en0 inet| grep 'inet '|awk '{print $2}') ]]; then
docker run -p 1935:1935 -p 8080:8080 -p 1985:1985 -p 8000:8000/udp \
--rm --env CANDIDATE=$(ifconfig en0 inet| grep 'inet '|awk '{print $2}')\
registry.cn-hangzhou.aliyuncs.com/ossrs/srs:4 objs/srs -c conf/rtc.conf
fi
./objs/srs -c conf/rtc.conf
```
然后运行回归测试用例，如果只跑一次，可以直接运行：
@ -235,6 +241,12 @@ make && ./objs/srs_bench -sfu gb28181 --help
go test ./gb28181 -mod=vendor -v -count=1
```
也可以用make编译出重复使用的二进制：
```bash
make && ./objs/srs_gb28181_test -test.v
```
支持的参数如下：
* `-srs-sip`，SIP服务器地址。默认值：`tcp://127.0.0.1:5060`

3112
trunk/3rdparty/srs-bench/avatar.log vendored
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2773
trunk/3rdparty/srs-bench/bbb.log vendored
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2
trunk/3rdparty/srs-bench/gb28181/gb_test.go vendored
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@ -24,8 +24,8 @@ import (
"context"
"fmt"
"github.com/ghettovoice/gosip/sip"
"github.com/ossrs/go-oryx-lib/logger"
"github.com/ossrs/go-oryx-lib/errors"
"github.com/ossrs/go-oryx-lib/logger"
"testing"
"time"
)

4
trunk/3rdparty/srs-bench/vendor/github.com/ghettovoice/gosip/sip/parser/error.go generated vendored
View file

@ -11,7 +11,9 @@ type InvalidStartLineError string
func (err InvalidStartLineError) Syntax() bool { return true }
func (err InvalidStartLineError) Malformed() bool { return false }
func (err InvalidStartLineError) Broken() bool { return true }
func (err InvalidStartLineError) Error() string { return "parser.InvalidStartLineError: " + string(err) }
func (err InvalidStartLineError) Error() string {
return "parser.InvalidStartLineError: " + string(err)
}
type InvalidMessageFormat string

1
trunk/3rdparty/srs-bench/vendor/github.com/sirupsen/logrus/terminal_check_bsd.go generated vendored
View file

@ -10,4 +10,3 @@ func isTerminal(fd int) bool {
_, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
return err == nil
}

1
trunk/3rdparty/srs-bench/vendor/github.com/sirupsen/logrus/terminal_check_unix.go generated vendored
View file

@ -10,4 +10,3 @@ func isTerminal(fd int) bool {
_, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
return err == nil
}

2
trunk/3rdparty/srs-bench/vendor/github.com/x-cray/logrus-prefixed-formatter/formatter.go generated vendored
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@ -11,8 +11,8 @@ import (
"sync"
"time"
"github.com/sirupsen/logrus"
"github.com/mgutz/ansi"
"github.com/sirupsen/logrus"
"golang.org/x/crypto/ssh/terminal"
)

274
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/codec/aac.go generated vendored
View file

@ -12,25 +12,25 @@ import "errors"
type AAC_PROFILE int
const (
MAIN AAC_PROFILE = iota
LC
SSR
MAIN AAC_PROFILE = iota
LC
SSR
)
type AAC_SAMPLING_FREQUENCY int
const (
AAC_SAMPLE_96000 AAC_SAMPLING_FREQUENCY = iota
AAC_SAMPLE_88200
AAC_SAMPLE_64000
AAC_SAMPLE_48000
AAC_SAMPLE_44100
AAC_SAMPLE_32000
AAC_SAMPLE_24000
AAC_SAMPLE_22050
AAC_SAMPLE_16000
AAC_SAMPLE_11025
AAC_SAMPLE_8000
AAC_SAMPLE_96000 AAC_SAMPLING_FREQUENCY = iota
AAC_SAMPLE_88200
AAC_SAMPLE_64000
AAC_SAMPLE_48000
AAC_SAMPLE_44100
AAC_SAMPLE_32000
AAC_SAMPLE_24000
AAC_SAMPLE_22050
AAC_SAMPLE_16000
AAC_SAMPLE_11025
AAC_SAMPLE_8000
)
var AAC_Sampling_Idx [11]int = [11]int{96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 11025, 8000}
@ -73,15 +73,15 @@ var AAC_Sampling_Idx [11]int = [11]int{96000, 88200, 64000, 48000, 44100, 32000,
// }
type ADTS_Fix_Header struct {
ID uint8
Layer uint8
Protection_absent uint8
Profile uint8
Sampling_frequency_index uint8
Private_bit uint8
Channel_configuration uint8
Originalorcopy uint8
Home uint8
ID uint8
Layer uint8
Protection_absent uint8
Profile uint8
Sampling_frequency_index uint8
Private_bit uint8
Channel_configuration uint8
Originalorcopy uint8
Home uint8
}
// adts_variable_header() {
@ -93,91 +93,91 @@ type ADTS_Fix_Header struct {
// }
type ADTS_Variable_Header struct {
Copyright_identification_bit uint8
copyright_identification_start uint8
Frame_length uint16
Adts_buffer_fullness uint16
Number_of_raw_data_blocks_in_frame uint8
Copyright_identification_bit uint8
copyright_identification_start uint8
Frame_length uint16
Adts_buffer_fullness uint16
Number_of_raw_data_blocks_in_frame uint8
}
type ADTS_Frame_Header struct {
Fix_Header ADTS_Fix_Header
Variable_Header ADTS_Variable_Header
Fix_Header ADTS_Fix_Header
Variable_Header ADTS_Variable_Header
}
func NewAdtsFrameHeader() *ADTS_Frame_Header {
return &ADTS_Frame_Header{
Fix_Header: ADTS_Fix_Header{
ID: 0,
Layer: 0,
Protection_absent: 1,
Profile: uint8(MAIN),
Sampling_frequency_index: uint8(AAC_SAMPLE_44100),
Private_bit: 0,
Channel_configuration: 0,
Originalorcopy: 0,
Home: 0,
},
return &ADTS_Frame_Header{
Fix_Header: ADTS_Fix_Header{
ID: 0,
Layer: 0,
Protection_absent: 1,
Profile: uint8(MAIN),
Sampling_frequency_index: uint8(AAC_SAMPLE_44100),
Private_bit: 0,
Channel_configuration: 0,
Originalorcopy: 0,
Home: 0,
},
Variable_Header: ADTS_Variable_Header{
copyright_identification_start: 0,
Copyright_identification_bit: 0,
Frame_length: 0,
Adts_buffer_fullness: 0,
Number_of_raw_data_blocks_in_frame: 0,
},
}
Variable_Header: ADTS_Variable_Header{
copyright_identification_start: 0,
Copyright_identification_bit: 0,
Frame_length: 0,
Adts_buffer_fullness: 0,
Number_of_raw_data_blocks_in_frame: 0,
},
}
}
func (frame *ADTS_Frame_Header) Decode(aac []byte) error {
_ = aac[6]
frame.Fix_Header.ID = aac[1] >> 3
frame.Fix_Header.Layer = aac[1] >> 1 & 0x03
frame.Fix_Header.Protection_absent = aac[1] & 0x01
frame.Fix_Header.Profile = aac[2] >> 6 & 0x03
frame.Fix_Header.Sampling_frequency_index = aac[2] >> 2 & 0x0F
frame.Fix_Header.Private_bit = aac[2] >> 1 & 0x01
frame.Fix_Header.Channel_configuration = (aac[2] & 0x01 << 2) | (aac[3] >> 6)
frame.Fix_Header.Originalorcopy = aac[3] >> 5 & 0x01
frame.Fix_Header.Home = aac[3] >> 4 & 0x01
frame.Variable_Header.Copyright_identification_bit = aac[3] >> 3 & 0x01
frame.Variable_Header.copyright_identification_start = aac[3] >> 2 & 0x01
frame.Variable_Header.Frame_length = (uint16(aac[3]&0x03) << 11) | (uint16(aac[4]) << 3) | (uint16(aac[5]>>5) & 0x07)
frame.Variable_Header.Adts_buffer_fullness = (uint16(aac[5]&0x1F) << 6) | uint16(aac[6]>>2)
frame.Variable_Header.Number_of_raw_data_blocks_in_frame = aac[6] & 0x03
return nil
_ = aac[6]
frame.Fix_Header.ID = aac[1] >> 3
frame.Fix_Header.Layer = aac[1] >> 1 & 0x03
frame.Fix_Header.Protection_absent = aac[1] & 0x01
frame.Fix_Header.Profile = aac[2] >> 6 & 0x03
frame.Fix_Header.Sampling_frequency_index = aac[2] >> 2 & 0x0F
frame.Fix_Header.Private_bit = aac[2] >> 1 & 0x01
frame.Fix_Header.Channel_configuration = (aac[2] & 0x01 << 2) | (aac[3] >> 6)
frame.Fix_Header.Originalorcopy = aac[3] >> 5 & 0x01
frame.Fix_Header.Home = aac[3] >> 4 & 0x01
frame.Variable_Header.Copyright_identification_bit = aac[3] >> 3 & 0x01
frame.Variable_Header.copyright_identification_start = aac[3] >> 2 & 0x01
frame.Variable_Header.Frame_length = (uint16(aac[3]&0x03) << 11) | (uint16(aac[4]) << 3) | (uint16(aac[5]>>5) & 0x07)
frame.Variable_Header.Adts_buffer_fullness = (uint16(aac[5]&0x1F) << 6) | uint16(aac[6]>>2)
frame.Variable_Header.Number_of_raw_data_blocks_in_frame = aac[6] & 0x03
return nil
}
func (frame *ADTS_Frame_Header) Encode() []byte {
var hdr []byte
if frame.Fix_Header.Protection_absent == 1 {
hdr = make([]byte, 7)
} else {
hdr = make([]byte, 9)
}
hdr[0] = 0xFF
hdr[1] = 0xF0
hdr[1] = hdr[1] | (frame.Fix_Header.ID << 3) | (frame.Fix_Header.Layer << 1) | frame.Fix_Header.Protection_absent
hdr[2] = frame.Fix_Header.Profile<<6 | frame.Fix_Header.Sampling_frequency_index<<2 | frame.Fix_Header.Private_bit<<1 | frame.Fix_Header.Channel_configuration>>2
hdr[3] = frame.Fix_Header.Channel_configuration<<6 | frame.Fix_Header.Originalorcopy<<5 | frame.Fix_Header.Home<<4
hdr[3] = hdr[3] | frame.Variable_Header.copyright_identification_start<<3 | frame.Variable_Header.Copyright_identification_bit<<2 | byte(frame.Variable_Header.Frame_length<<11)
hdr[4] = byte(frame.Variable_Header.Frame_length >> 3)
hdr[5] = byte((frame.Variable_Header.Frame_length&0x07)<<5) | byte(frame.Variable_Header.Adts_buffer_fullness>>3)
hdr[6] = byte(frame.Variable_Header.Adts_buffer_fullness&0x3F<<2) | frame.Variable_Header.Number_of_raw_data_blocks_in_frame
return hdr
var hdr []byte
if frame.Fix_Header.Protection_absent == 1 {
hdr = make([]byte, 7)
} else {
hdr = make([]byte, 9)
}
hdr[0] = 0xFF
hdr[1] = 0xF0
hdr[1] = hdr[1] | (frame.Fix_Header.ID << 3) | (frame.Fix_Header.Layer << 1) | frame.Fix_Header.Protection_absent
hdr[2] = frame.Fix_Header.Profile<<6 | frame.Fix_Header.Sampling_frequency_index<<2 | frame.Fix_Header.Private_bit<<1 | frame.Fix_Header.Channel_configuration>>2
hdr[3] = frame.Fix_Header.Channel_configuration<<6 | frame.Fix_Header.Originalorcopy<<5 | frame.Fix_Header.Home<<4
hdr[3] = hdr[3] | frame.Variable_Header.copyright_identification_start<<3 | frame.Variable_Header.Copyright_identification_bit<<2 | byte(frame.Variable_Header.Frame_length<<11)
hdr[4] = byte(frame.Variable_Header.Frame_length >> 3)
hdr[5] = byte((frame.Variable_Header.Frame_length&0x07)<<5) | byte(frame.Variable_Header.Adts_buffer_fullness>>3)
hdr[6] = byte(frame.Variable_Header.Adts_buffer_fullness&0x3F<<2) | frame.Variable_Header.Number_of_raw_data_blocks_in_frame
return hdr
}
func SampleToAACSampleIndex(sampling int) int {
for i, v := range AAC_Sampling_Idx {
if v == sampling {
return i
}
}
panic("not Found AAC Sample Index")
for i, v := range AAC_Sampling_Idx {
if v == sampling {
return i
}
}
panic("not Found AAC Sample Index")
}
func AACSampleIdxToSample(idx int) int {
return AAC_Sampling_Idx[idx]
return AAC_Sampling_Idx[idx]
}
// +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
@ -185,71 +185,71 @@ func AACSampleIdxToSample(idx int) int {
// +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
type AudioSpecificConfiguration struct {
Audio_object_type uint8
Sample_freq_index uint8
Channel_configuration uint8
GA_framelength_flag uint8
GA_depends_on_core_coder uint8
GA_extension_flag uint8
Audio_object_type uint8
Sample_freq_index uint8
Channel_configuration uint8
GA_framelength_flag uint8
GA_depends_on_core_coder uint8
GA_extension_flag uint8
}
func NewAudioSpecificConfiguration() *AudioSpecificConfiguration {
return &AudioSpecificConfiguration{
Audio_object_type: 0,
Sample_freq_index: 0,
Channel_configuration: 0,
GA_framelength_flag: 0,
GA_depends_on_core_coder: 0,
GA_extension_flag: 0,
}
return &AudioSpecificConfiguration{
Audio_object_type: 0,
Sample_freq_index: 0,
Channel_configuration: 0,
GA_framelength_flag: 0,
GA_depends_on_core_coder: 0,
GA_extension_flag: 0,
}
}
func (asc *AudioSpecificConfiguration) Encode() []byte {
buf := make([]byte, 2)
buf[0] = (asc.Audio_object_type & 0x1f << 3) | (asc.Sample_freq_index & 0x0F >> 1)
buf[1] = (asc.Sample_freq_index & 0x0F << 7) | (asc.Channel_configuration & 0x0F << 3) | (asc.GA_framelength_flag & 0x01 << 2) | (asc.GA_depends_on_core_coder & 0x01 << 1) | (asc.GA_extension_flag & 0x01)
return buf
buf := make([]byte, 2)
buf[0] = (asc.Audio_object_type & 0x1f << 3) | (asc.Sample_freq_index & 0x0F >> 1)
buf[1] = (asc.Sample_freq_index & 0x0F << 7) | (asc.Channel_configuration & 0x0F << 3) | (asc.GA_framelength_flag & 0x01 << 2) | (asc.GA_depends_on_core_coder & 0x01 << 1) | (asc.GA_extension_flag & 0x01)
return buf
}
func (asc *AudioSpecificConfiguration) Decode(buf []byte) error {
if len(buf) < 2 {
return errors.New("len of buf < 2 ")
}
if len(buf) < 2 {
return errors.New("len of buf < 2 ")
}
asc.Audio_object_type = buf[0] >> 3
asc.Sample_freq_index = (buf[0] & 0x07 << 1) | (buf[1] >> 7)
asc.Channel_configuration = buf[1] >> 3 & 0x0F
asc.GA_framelength_flag = buf[1] >> 2 & 0x01
asc.GA_depends_on_core_coder = buf[1] >> 1 & 0x01
asc.GA_extension_flag = buf[1] & 0x01
return nil
asc.Audio_object_type = buf[0] >> 3
asc.Sample_freq_index = (buf[0] & 0x07 << 1) | (buf[1] >> 7)
asc.Channel_configuration = buf[1] >> 3 & 0x0F
asc.GA_framelength_flag = buf[1] >> 2 & 0x01
asc.GA_depends_on_core_coder = buf[1] >> 1 & 0x01
asc.GA_extension_flag = buf[1] & 0x01
return nil
}
func ConvertADTSToASC(frame []byte) ([]byte, error) {
if len(frame) < 7 {
return nil, errors.New("len of frame < 7")
}
if len(frame) < 7 {
return nil, errors.New("len of frame < 7")
}
adts := NewAdtsFrameHeader()
adts.Decode(frame)
asc := NewAudioSpecificConfiguration()
asc.Audio_object_type = adts.Fix_Header.Profile + 1
asc.Channel_configuration = adts.Fix_Header.Channel_configuration
asc.Sample_freq_index = adts.Fix_Header.Sampling_frequency_index
return asc.Encode(), nil
adts := NewAdtsFrameHeader()
adts.Decode(frame)
asc := NewAudioSpecificConfiguration()
asc.Audio_object_type = adts.Fix_Header.Profile + 1
asc.Channel_configuration = adts.Fix_Header.Channel_configuration
asc.Sample_freq_index = adts.Fix_Header.Sampling_frequency_index
return asc.Encode(), nil
}
func ConvertASCToADTS(asc []byte, aacbytes int) []byte {
aac_asc := NewAudioSpecificConfiguration()
aac_asc.Decode(asc)
aac_adts := NewAdtsFrameHeader()
aac_adts.Fix_Header.Profile = aac_asc.Audio_object_type - 1
aac_adts.Fix_Header.Channel_configuration = aac_asc.Channel_configuration
aac_adts.Fix_Header.Sampling_frequency_index = aac_asc.Sample_freq_index
aac_adts.Fix_Header.Protection_absent = 1
aac_adts.Variable_Header.Adts_buffer_fullness = 0x3F
aac_adts.Variable_Header.Frame_length = uint16(aacbytes)
return aac_adts.Encode()
aac_asc := NewAudioSpecificConfiguration()
aac_asc.Decode(asc)
aac_adts := NewAdtsFrameHeader()
aac_adts.Fix_Header.Profile = aac_asc.Audio_object_type - 1
aac_adts.Fix_Header.Channel_configuration = aac_asc.Channel_configuration
aac_adts.Fix_Header.Sampling_frequency_index = aac_asc.Sample_freq_index
aac_adts.Fix_Header.Protection_absent = 1
aac_adts.Variable_Header.Adts_buffer_fullness = 0x3F
aac_adts.Variable_Header.Frame_length = uint16(aacbytes)
return aac_adts.Encode()
}

454
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/codec/bitstream.go generated vendored
View file

@ -1,358 +1,358 @@
package codec
import (
"encoding/binary"
"encoding/binary"
)
var BitMask [8]byte = [8]byte{0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F, 0xFF}
type BitStream struct {
bits []byte
bytesOffset int
bitsOffset int
bitsmark int
bytemark int
bits []byte
bytesOffset int
bitsOffset int
bitsmark int
bytemark int
}
func NewBitStream(buf []byte) *BitStream {
return &BitStream{
bits: buf,
bytesOffset: 0,
bitsOffset: 0,
bitsmark: 0,
bytemark: 0,
}
return &BitStream{
bits: buf,
bytesOffset: 0,
bitsOffset: 0,
bitsmark: 0,
bytemark: 0,
}
}
func (bs *BitStream) Uint8(n int) uint8 {
return uint8(bs.GetBits(n))
return uint8(bs.GetBits(n))
}
func (bs *BitStream) Uint16(n int) uint16 {
return uint16(bs.GetBits(n))
return uint16(bs.GetBits(n))
}
func (bs *BitStream) Uint32(n int) uint32 {
return uint32(bs.GetBits(n))
return uint32(bs.GetBits(n))
}
func (bs *BitStream) GetBytes(n int) []byte {
if bs.bytesOffset+n > len(bs.bits) {
panic("OUT OF RANGE")
}
if bs.bitsOffset != 0 {
panic("invaild operation")
}
data := make([]byte, n)
copy(data, bs.bits[bs.bytesOffset:bs.bytesOffset+n])
bs.bytesOffset += n
return data
if bs.bytesOffset+n > len(bs.bits) {
panic("OUT OF RANGE")
}
if bs.bitsOffset != 0 {
panic("invaild operation")
}
data := make([]byte, n)
copy(data, bs.bits[bs.bytesOffset:bs.bytesOffset+n])
bs.bytesOffset += n
return data
}
//n <= 64
func (bs *BitStream) GetBits(n int) uint64 {
if bs.bytesOffset >= len(bs.bits) {
panic("OUT OF RANGE")
}
var ret uint64 = 0
if 8-bs.bitsOffset >= n {
ret = uint64((bs.bits[bs.bytesOffset] >> (8 - bs.bitsOffset - n)) & BitMask[n-1])
bs.bitsOffset += n
if bs.bitsOffset == 8 {
bs.bytesOffset++
bs.bitsOffset = 0
}
} else {
ret = uint64(bs.bits[bs.bytesOffset] & BitMask[8-bs.bitsOffset-1])
bs.bytesOffset++
n -= 8 - bs.bitsOffset
bs.bitsOffset = 0
for n > 0 {
if bs.bytesOffset >= len(bs.bits) {
panic("OUT OF RANGE")
}
if n >= 8 {
ret = ret<<8 | uint64(bs.bits[bs.bytesOffset])
bs.bytesOffset++
n -= 8
} else {
ret = (ret << n) | uint64((bs.bits[bs.bytesOffset]>>(8-n))&BitMask[n-1])
bs.bitsOffset = n
break
}
}
}
return ret
if bs.bytesOffset >= len(bs.bits) {
panic("OUT OF RANGE")
}
var ret uint64 = 0
if 8-bs.bitsOffset >= n {
ret = uint64((bs.bits[bs.bytesOffset] >> (8 - bs.bitsOffset - n)) & BitMask[n-1])
bs.bitsOffset += n
if bs.bitsOffset == 8 {
bs.bytesOffset++
bs.bitsOffset = 0
}
} else {
ret = uint64(bs.bits[bs.bytesOffset] & BitMask[8-bs.bitsOffset-1])
bs.bytesOffset++
n -= 8 - bs.bitsOffset
bs.bitsOffset = 0
for n > 0 {
if bs.bytesOffset >= len(bs.bits) {
panic("OUT OF RANGE")
}
if n >= 8 {
ret = ret<<8 | uint64(bs.bits[bs.bytesOffset])
bs.bytesOffset++
n -= 8
} else {
ret = (ret << n) | uint64((bs.bits[bs.bytesOffset]>>(8-n))&BitMask[n-1])
bs.bitsOffset = n
break
}
}
}
return ret
}
func (bs *BitStream) GetBit() uint8 {
if bs.bytesOffset >= len(bs.bits) {
panic("OUT OF RANGE")
}
ret := bs.bits[bs.bytesOffset] >> (7 - bs.bitsOffset) & 0x01
bs.bitsOffset++
if bs.bitsOffset >= 8 {
bs.bytesOffset++
bs.bitsOffset = 0
}
return ret
if bs.bytesOffset >= len(bs.bits) {
panic("OUT OF RANGE")
}
ret := bs.bits[bs.bytesOffset] >> (7 - bs.bitsOffset) & 0x01
bs.bitsOffset++
if bs.bitsOffset >= 8 {
bs.bytesOffset++
bs.bitsOffset = 0
}
return ret
}
func (bs *BitStream) SkipBits(n int) {
bytecount := n / 8
bitscount := n % 8
bs.bytesOffset += bytecount
if bs.bitsOffset+bitscount < 8 {
bs.bitsOffset += bitscount
} else {
bs.bytesOffset += 1
bs.bitsOffset += bitscount - 8
}
bytecount := n / 8
bitscount := n % 8
bs.bytesOffset += bytecount
if bs.bitsOffset+bitscount < 8 {
bs.bitsOffset += bitscount
} else {
bs.bytesOffset += 1
bs.bitsOffset += bitscount - 8
}
}
func (bs *BitStream) Markdot() {
bs.bitsmark = bs.bitsOffset
bs.bytemark = bs.bytesOffset
bs.bitsmark = bs.bitsOffset
bs.bytemark = bs.bytesOffset
}
func (bs *BitStream) DistanceFromMarkDot() int {
bytecount := bs.bytesOffset - bs.bytemark - 1
bitscount := bs.bitsOffset + (8 - bs.bitsmark)
return bytecount*8 + bitscount
bytecount := bs.bytesOffset - bs.bytemark - 1
bitscount := bs.bitsOffset + (8 - bs.bitsmark)
return bytecount*8 + bitscount
}
func (bs *BitStream) RemainBytes() int {
if bs.bitsOffset > 0 {
return len(bs.bits) - bs.bytesOffset - 1
} else {
return len(bs.bits) - bs.bytesOffset
}
if bs.bitsOffset > 0 {
return len(bs.bits) - bs.bytesOffset - 1
} else {
return len(bs.bits) - bs.bytesOffset
}
}
func (bs *BitStream) RemainBits() int {
if bs.bitsOffset > 0 {
return bs.RemainBytes()*8 + 8 - bs.bitsOffset
} else {
return bs.RemainBytes() * 8
}
if bs.bitsOffset > 0 {
return bs.RemainBytes()*8 + 8 - bs.bitsOffset
} else {
return bs.RemainBytes() * 8
}
}
func (bs *BitStream) Bits() []byte {
return bs.bits
return bs.bits
}
func (bs *BitStream) RemainData() []byte {
return bs.bits[bs.bytesOffset:]
return bs.bits[bs.bytesOffset:]
}
//无符号哥伦布熵编码
func (bs *BitStream) ReadUE() uint64 {
leadingZeroBits := 0
for bs.GetBit() == 0 {
leadingZeroBits++
}
if leadingZeroBits == 0 {
return 0
}
info := bs.GetBits(leadingZeroBits)
return uint64(1)<<leadingZeroBits - 1 + info
leadingZeroBits := 0
for bs.GetBit() == 0 {
leadingZeroBits++
}
if leadingZeroBits == 0 {
return 0
}
info := bs.GetBits(leadingZeroBits)
return uint64(1)<<leadingZeroBits - 1 + info
}
//有符号哥伦布熵编码
func (bs *BitStream) ReadSE() int64 {
v := bs.ReadUE()
if v%2 == 0 {
return -1 * int64(v/2)
} else {
return int64(v+1) / 2
}
v := bs.ReadUE()
if v%2 == 0 {
return -1 * int64(v/2)
} else {
return int64(v+1) / 2
}
}
func (bs *BitStream) ByteOffset() int {
return bs.bytesOffset
return bs.bytesOffset
}
func (bs *BitStream) UnRead(n int) {
if n-bs.bitsOffset <= 0 {
bs.bitsOffset -= n
} else {
least := n - bs.bitsOffset
for least >= 8 {
bs.bytesOffset--
least -= 8
}
if least > 0 {
bs.bytesOffset--
bs.bitsOffset = 8 - least
}
}
if n-bs.bitsOffset <= 0 {
bs.bitsOffset -= n
} else {
least := n - bs.bitsOffset
for least >= 8 {
bs.bytesOffset--
least -= 8
}
if least > 0 {
bs.bytesOffset--
bs.bitsOffset = 8 - least
}
}
}
func (bs *BitStream) NextBits(n int) uint64 {
r := bs.GetBits(n)
bs.UnRead(n)
return r
r := bs.GetBits(n)
bs.UnRead(n)
return r
}
func (bs *BitStream) EOS() bool {
return bs.bytesOffset == len(bs.bits) && bs.bitsOffset == 0
return bs.bytesOffset == len(bs.bits) && bs.bitsOffset == 0
}
type BitStreamWriter struct {
bits []byte
byteoffset int
bitsoffset int
bitsmark int
bytemark int
bits []byte
byteoffset int
bitsoffset int
bitsmark int
bytemark int
}
func NewBitStreamWriter(n int) *BitStreamWriter {
return &BitStreamWriter{
bits: make([]byte, n),
byteoffset: 0,
bitsoffset: 0,
bitsmark: 0,
bytemark: 0,
}
return &BitStreamWriter{
bits: make([]byte, n),
byteoffset: 0,
bitsoffset: 0,
bitsmark: 0,
bytemark: 0,
}
}
func (bsw *BitStreamWriter) expandSpace(n int) {
if (len(bsw.bits)-bsw.byteoffset-1)*8+8-bsw.bitsoffset < n {
newlen := 0
if len(bsw.bits)*8 < n {
newlen = len(bsw.bits) + n/8 + 1
} else {
newlen = len(bsw.bits) * 2
}
tmp := make([]byte, newlen)
copy(tmp, bsw.bits)
bsw.bits = tmp
}
if (len(bsw.bits)-bsw.byteoffset-1)*8+8-bsw.bitsoffset < n {
newlen := 0
if len(bsw.bits)*8 < n {
newlen = len(bsw.bits) + n/8 + 1
} else {
newlen = len(bsw.bits) * 2
}
tmp := make([]byte, newlen)
copy(tmp, bsw.bits)
bsw.bits = tmp
}
}
func (bsw *BitStreamWriter) ByteOffset() int {
return bsw.byteoffset
return bsw.byteoffset
}
func (bsw *BitStreamWriter) BitOffset() int {
return bsw.bitsoffset
return bsw.bitsoffset
}
func (bsw *BitStreamWriter) Markdot() {
bsw.bitsmark = bsw.bitsoffset
bsw.bytemark = bsw.byteoffset
bsw.bitsmark = bsw.bitsoffset
bsw.bytemark = bsw.byteoffset
}
func (bsw *BitStreamWriter) DistanceFromMarkDot() int {
bytecount := bsw.byteoffset - bsw.bytemark - 1
bitscount := bsw.bitsoffset + (8 - bsw.bitsmark)
return bytecount*8 + bitscount
bytecount := bsw.byteoffset - bsw.bytemark - 1
bitscount := bsw.bitsoffset + (8 - bsw.bitsmark)
return bytecount*8 + bitscount
}
func (bsw *BitStreamWriter) PutByte(v byte) {
bsw.expandSpace(8)
if bsw.bitsoffset == 0 {
bsw.bits[bsw.byteoffset] = v
bsw.byteoffset++
} else {
bsw.bits[bsw.byteoffset] |= v >> byte(bsw.bitsoffset)
bsw.byteoffset++
bsw.bits[bsw.byteoffset] = v & BitMask[bsw.bitsoffset-1]
}
bsw.expandSpace(8)
if bsw.bitsoffset == 0 {
bsw.bits[bsw.byteoffset] = v
bsw.byteoffset++
} else {
bsw.bits[bsw.byteoffset] |= v >> byte(bsw.bitsoffset)
bsw.byteoffset++
bsw.bits[bsw.byteoffset] = v & BitMask[bsw.bitsoffset-1]
}
}
func (bsw *BitStreamWriter) PutBytes(v []byte) {
if bsw.bitsoffset != 0 {
panic("bsw.bitsoffset > 0")
}
bsw.expandSpace(8 * len(v))
copy(bsw.bits[bsw.byteoffset:], v)
bsw.byteoffset += len(v)
if bsw.bitsoffset != 0 {
panic("bsw.bitsoffset > 0")
}
bsw.expandSpace(8 * len(v))
copy(bsw.bits[bsw.byteoffset:], v)
bsw.byteoffset += len(v)
}
func (bsw *BitStreamWriter) PutRepetValue(v byte, n int) {
if bsw.bitsoffset != 0 {
panic("bsw.bitsoffset > 0")
}
bsw.expandSpace(8 * n)
for i := 0; i < n; i++ {
bsw.bits[bsw.byteoffset] = v
bsw.byteoffset++
}
if bsw.bitsoffset != 0 {
panic("bsw.bitsoffset > 0")
}
bsw.expandSpace(8 * n)
for i := 0; i < n; i++ {
bsw.bits[bsw.byteoffset] = v
bsw.byteoffset++
}
}
func (bsw *BitStreamWriter) PutUint8(v uint8, n int) {
bsw.PutUint64(uint64(v), n)
bsw.PutUint64(uint64(v), n)
}
func (bsw *BitStreamWriter) PutUint16(v uint16, n int) {
bsw.PutUint64(uint64(v), n)
bsw.PutUint64(uint64(v), n)
}
func (bsw *BitStreamWriter) PutUint32(v uint32, n int) {
bsw.PutUint64(uint64(v), n)
bsw.PutUint64(uint64(v), n)
}
func (bsw *BitStreamWriter) PutUint64(v uint64, n int) {
bsw.expandSpace(n)
if 8-bsw.bitsoffset >= n {
bsw.bits[bsw.byteoffset] |= uint8(v) & BitMask[n-1] << (8 - bsw.bitsoffset - n)
bsw.bitsoffset += n
if bsw.bitsoffset == 8 {
bsw.bitsoffset = 0
bsw.byteoffset++
}
} else {
bsw.bits[bsw.byteoffset] |= uint8(v>>(n-int(8-bsw.bitsoffset))) & BitMask[8-bsw.bitsoffset-1]
bsw.byteoffset++
n -= 8 - bsw.bitsoffset
for n-8 >= 0 {
bsw.bits[bsw.byteoffset] = uint8(v>>(n-8)) & 0xFF
bsw.byteoffset++
n -= 8
}
bsw.bitsoffset = n
if n > 0 {
bsw.bits[bsw.byteoffset] |= (uint8(v) & BitMask[n-1]) << (8 - n)
}
}
bsw.expandSpace(n)
if 8-bsw.bitsoffset >= n {
bsw.bits[bsw.byteoffset] |= uint8(v) & BitMask[n-1] << (8 - bsw.bitsoffset - n)
bsw.bitsoffset += n
if bsw.bitsoffset == 8 {
bsw.bitsoffset = 0
bsw.byteoffset++
}
} else {
bsw.bits[bsw.byteoffset] |= uint8(v>>(n-int(8-bsw.bitsoffset))) & BitMask[8-bsw.bitsoffset-1]
bsw.byteoffset++
n -= 8 - bsw.bitsoffset
for n-8 >= 0 {
bsw.bits[bsw.byteoffset] = uint8(v>>(n-8)) & 0xFF
bsw.byteoffset++
n -= 8
}
bsw.bitsoffset = n
if n > 0 {
bsw.bits[bsw.byteoffset] |= (uint8(v) & BitMask[n-1]) << (8 - n)
}
}
}
func (bsw *BitStreamWriter) SetByte(v byte, where int) {
bsw.bits[where] = v
bsw.bits[where] = v
}
func (bsw *BitStreamWriter) SetUint16(v uint16, where int) {
binary.BigEndian.PutUint16(bsw.bits[where:where+2], v)
binary.BigEndian.PutUint16(bsw.bits[where:where+2], v)
}
func (bsw *BitStreamWriter) Bits() []byte {
if bsw.byteoffset == len(bsw.bits) {
return bsw.bits
}
if bsw.bitsoffset > 0 {
return bsw.bits[0 : bsw.byteoffset+1]
} else {
return bsw.bits[0:bsw.byteoffset]
}
if bsw.byteoffset == len(bsw.bits) {
return bsw.bits
}
if bsw.bitsoffset > 0 {
return bsw.bits[0 : bsw.byteoffset+1]
} else {
return bsw.bits[0:bsw.byteoffset]
}
}
//用v 填充剩余字节
func (bsw *BitStreamWriter) FillRemainData(v byte) {
for i := bsw.byteoffset; i < len(bsw.bits); i++ {
bsw.bits[i] = v
}
bsw.byteoffset = len(bsw.bits)
bsw.bitsoffset = 0
for i := bsw.byteoffset; i < len(bsw.bits); i++ {
bsw.bits[i] = v
}
bsw.byteoffset = len(bsw.bits)
bsw.bitsoffset = 0
}
func (bsw *BitStreamWriter) Reset() {
for i := 0; i < len(bsw.bits); i++ {
bsw.bits[i] = 0
}
bsw.bitsmark = 0
bsw.bytemark = 0
bsw.bitsoffset = 0
bsw.byteoffset = 0
for i := 0; i < len(bsw.bits); i++ {
bsw.bits[i] = 0
}
bsw.bitsmark = 0
bsw.bytemark = 0
bsw.bitsoffset = 0
bsw.byteoffset = 0
}

86
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/codec/codec.go generated vendored
View file

@ -3,62 +3,62 @@ package codec
type CodecID int
const (
CODECID_VIDEO_H264 CodecID = iota
CODECID_VIDEO_H265
CODECID_VIDEO_VP8
CODECID_VIDEO_H264 CodecID = iota
CODECID_VIDEO_H265
CODECID_VIDEO_VP8
CODECID_AUDIO_AAC CodecID = iota + 98
CODECID_AUDIO_G711A
CODECID_AUDIO_G711U
CODECID_AUDIO_OPUS
CODECID_AUDIO_AAC CodecID = iota + 98
CODECID_AUDIO_G711A
CODECID_AUDIO_G711U
CODECID_AUDIO_OPUS
CODECID_UNRECOGNIZED = 999
CODECID_UNRECOGNIZED = 999
)
type H264_NAL_TYPE int
const (
H264_NAL_RESERVED H264_NAL_TYPE = iota
H264_NAL_P_SLICE
H264_NAL_SLICE_A
H264_NAL_SLICE_B
H264_NAL_SLICE_C
H264_NAL_I_SLICE
H264_NAL_SEI
H264_NAL_SPS
H264_NAL_PPS
H264_NAL_AUD
H264_NAL_RESERVED H264_NAL_TYPE = iota
H264_NAL_P_SLICE
H264_NAL_SLICE_A
H264_NAL_SLICE_B
H264_NAL_SLICE_C
H264_NAL_I_SLICE
H264_NAL_SEI
H264_NAL_SPS
H264_NAL_PPS
H264_NAL_AUD
)
type H265_NAL_TYPE int
const (
H265_NAL_Slice_TRAIL_N H265_NAL_TYPE = iota
H265_NAL_LICE_TRAIL_R
H265_NAL_SLICE_TSA_N
H265_NAL_SLICE_TSA_R
H265_NAL_SLICE_STSA_N
H265_NAL_SLICE_STSA_R
H265_NAL_SLICE_RADL_N
H265_NAL_SLICE_RADL_R
H265_NAL_SLICE_RASL_N
H265_NAL_SLICE_RASL_R
H265_NAL_Slice_TRAIL_N H265_NAL_TYPE = iota
H265_NAL_LICE_TRAIL_R
H265_NAL_SLICE_TSA_N
H265_NAL_SLICE_TSA_R
H265_NAL_SLICE_STSA_N
H265_NAL_SLICE_STSA_R
H265_NAL_SLICE_RADL_N
H265_NAL_SLICE_RADL_R
H265_NAL_SLICE_RASL_N
H265_NAL_SLICE_RASL_R
//IDR
H265_NAL_SLICE_BLA_W_LP H265_NAL_TYPE = iota + 6
H265_NAL_SLICE_BLA_W_RADL
H265_NAL_SLICE_BLA_N_LP
H265_NAL_SLICE_IDR_W_RADL
H265_NAL_SLICE_IDR_N_LP
H265_NAL_SLICE_CRA
//IDR
H265_NAL_SLICE_BLA_W_LP H265_NAL_TYPE = iota + 6
H265_NAL_SLICE_BLA_W_RADL
H265_NAL_SLICE_BLA_N_LP
H265_NAL_SLICE_IDR_W_RADL
H265_NAL_SLICE_IDR_N_LP
H265_NAL_SLICE_CRA
//vps pps sps
H265_NAL_VPS H265_NAL_TYPE = iota + 16
H265_NAL_SPS
H265_NAL_PPS
H265_NAL_AUD
//vps pps sps
H265_NAL_VPS H265_NAL_TYPE = iota + 16
H265_NAL_SPS
H265_NAL_PPS
H265_NAL_AUD
//SEI
H265_NAL_SEI H265_NAL_TYPE = iota + 19
H265_NAL_SEI_SUFFIX
//SEI
H265_NAL_SEI H265_NAL_TYPE = iota + 19
H265_NAL_SEI_SUFFIX
)

500
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/codec/h264.go generated vendored
View file

@ -9,241 +9,241 @@ import "encoding/binary"
// }
type H264NaluHdr struct {
Forbidden_zero_bit uint8
Nal_ref_idc uint8
Nal_unit_type uint8
Forbidden_zero_bit uint8
Nal_ref_idc uint8
Nal_unit_type uint8
}
func (hdr *H264NaluHdr) Decode(bs *BitStream) {
hdr.Forbidden_zero_bit = bs.GetBit()
hdr.Nal_ref_idc = bs.Uint8(2)
hdr.Nal_unit_type = bs.Uint8(5)
hdr.Forbidden_zero_bit = bs.GetBit()
hdr.Nal_ref_idc = bs.Uint8(2)
hdr.Nal_unit_type = bs.Uint8(5)
}
type SliceHeader struct {
First_mb_in_slice uint64
Slice_type uint64
Pic_parameter_set_id uint64
Frame_num uint64
First_mb_in_slice uint64
Slice_type uint64
Pic_parameter_set_id uint64
Frame_num uint64
}
//调用方根据sps中的log2_max_frame_num_minus4的值来解析Frame_num
func (sh *SliceHeader) Decode(bs *BitStream) {
sh.First_mb_in_slice = bs.ReadUE()
sh.Slice_type = bs.ReadUE()
sh.Pic_parameter_set_id = bs.ReadUE()
sh.First_mb_in_slice = bs.ReadUE()
sh.Slice_type = bs.ReadUE()
sh.Pic_parameter_set_id = bs.ReadUE()
}
type SPS struct {
Profile_idc uint8
Constraint_set0_flag uint8
Constraint_set1_flag uint8
Constraint_set2_flag uint8
Constraint_set3_flag uint8
Constraint_set4_flag uint8
Constraint_set5_flag uint8
Reserved_zero_2bits uint8
Level_idc uint8
Seq_parameter_set_id uint64
Chroma_format_idc uint64
Separate_colour_plane_flag uint8
Bit_depth_luma_minus8 uint64
Bit_depth_chroma_minus8 uint64
Log2_max_frame_num_minus4 uint64
Pic_order_cnt_type uint64
Max_num_ref_frames uint64
Gaps_in_frame_num_value_allowed_flag uint8
Pic_width_in_mbs_minus1 uint64
Pic_height_in_map_units_minus1 uint64
Frame_mbs_only_flag uint8
Direct_8x8_inference_flag uint8
Frame_cropping_flag uint8
Frame_crop_left_offset uint64
Frame_crop_right_offset uint64
Frame_crop_top_offset uint64
Frame_crop_bottom_offset uint64
Vui_parameters_present_flag uint8
Profile_idc uint8
Constraint_set0_flag uint8
Constraint_set1_flag uint8
Constraint_set2_flag uint8
Constraint_set3_flag uint8
Constraint_set4_flag uint8
Constraint_set5_flag uint8
Reserved_zero_2bits uint8
Level_idc uint8
Seq_parameter_set_id uint64
Chroma_format_idc uint64
Separate_colour_plane_flag uint8
Bit_depth_luma_minus8 uint64
Bit_depth_chroma_minus8 uint64
Log2_max_frame_num_minus4 uint64
Pic_order_cnt_type uint64
Max_num_ref_frames uint64
Gaps_in_frame_num_value_allowed_flag uint8
Pic_width_in_mbs_minus1 uint64
Pic_height_in_map_units_minus1 uint64
Frame_mbs_only_flag uint8
Direct_8x8_inference_flag uint8
Frame_cropping_flag uint8
Frame_crop_left_offset uint64
Frame_crop_right_offset uint64
Frame_crop_top_offset uint64
Frame_crop_bottom_offset uint64
Vui_parameters_present_flag uint8
}
func (sps *SPS) Decode(bs *BitStream) {
sps.Profile_idc = bs.Uint8(8)
sps.Constraint_set0_flag = bs.GetBit()
sps.Constraint_set1_flag = bs.GetBit()
sps.Constraint_set2_flag = bs.GetBit()
sps.Constraint_set3_flag = bs.GetBit()
sps.Constraint_set4_flag = bs.GetBit()
sps.Constraint_set5_flag = bs.GetBit()
sps.Reserved_zero_2bits = bs.Uint8(2)
sps.Level_idc = bs.Uint8(8)
sps.Seq_parameter_set_id = bs.ReadUE()
if sps.Profile_idc == 100 || sps.Profile_idc == 110 ||
sps.Profile_idc == 122 || sps.Profile_idc == 244 ||
sps.Profile_idc == 44 || sps.Profile_idc == 83 ||
sps.Profile_idc == 86 || sps.Profile_idc == 118 || sps.Profile_idc == 128 {
sps.Chroma_format_idc = bs.ReadUE()
if sps.Chroma_format_idc == 3 {
sps.Separate_colour_plane_flag = bs.Uint8(1) //separate_colour_plane_flag
}
sps.Bit_depth_luma_minus8 = bs.ReadUE() //bit_depth_luma_minus8
sps.Bit_depth_chroma_minus8 = bs.ReadUE() //bit_depth_chroma_minus8
bs.SkipBits(1) //qpprime_y_zero_transform_bypass_flag
seq_scaling_matrix_present_flag := bs.GetBit()
if seq_scaling_matrix_present_flag == 1 {
//seq_scaling_list_present_flag[i]
if sps.Chroma_format_idc == 3 {
bs.SkipBits(12)
} else {
bs.SkipBits(8)
}
}
}
sps.Log2_max_frame_num_minus4 = bs.ReadUE()
sps.Pic_order_cnt_type = bs.ReadUE()
if sps.Pic_order_cnt_type == 0 {
bs.ReadUE() // log2_max_pic_order_cnt_lsb_minus4
} else if sps.Pic_order_cnt_type == 1 {
bs.SkipBits(1) //delta_pic_order_always_zero_flag
bs.ReadSE() //offset_for_non_ref_pic
bs.ReadSE() //offset_for_top_to_bottom_field
num_ref_frames_in_pic_order_cnt_cycle := bs.ReadUE()
for i := 0; i < int(num_ref_frames_in_pic_order_cnt_cycle); i++ {
bs.ReadSE() //offset_for_ref_frame
}
}
sps.Max_num_ref_frames = bs.ReadUE()
sps.Gaps_in_frame_num_value_allowed_flag = bs.GetBit()
sps.Pic_width_in_mbs_minus1 = bs.ReadUE()
sps.Pic_height_in_map_units_minus1 = bs.ReadUE()
sps.Frame_mbs_only_flag = bs.GetBit()
if sps.Frame_mbs_only_flag == 0 {
bs.SkipBits(1) // mb_adaptive_frame_field_flag
}
sps.Direct_8x8_inference_flag = bs.GetBit()
sps.Frame_cropping_flag = bs.GetBit()
if sps.Frame_cropping_flag == 1 {
sps.Frame_crop_left_offset = bs.ReadUE() //frame_crop_left_offset
sps.Frame_crop_right_offset = bs.ReadUE() //frame_crop_right_offset
sps.Frame_crop_top_offset = bs.ReadUE() //frame_crop_top_offset
sps.Frame_crop_bottom_offset = bs.ReadUE() //frame_crop_bottom_offset
}
sps.Vui_parameters_present_flag = bs.GetBit()
sps.Profile_idc = bs.Uint8(8)
sps.Constraint_set0_flag = bs.GetBit()
sps.Constraint_set1_flag = bs.GetBit()
sps.Constraint_set2_flag = bs.GetBit()
sps.Constraint_set3_flag = bs.GetBit()
sps.Constraint_set4_flag = bs.GetBit()
sps.Constraint_set5_flag = bs.GetBit()
sps.Reserved_zero_2bits = bs.Uint8(2)
sps.Level_idc = bs.Uint8(8)
sps.Seq_parameter_set_id = bs.ReadUE()
if sps.Profile_idc == 100 || sps.Profile_idc == 110 ||
sps.Profile_idc == 122 || sps.Profile_idc == 244 ||
sps.Profile_idc == 44 || sps.Profile_idc == 83 ||
sps.Profile_idc == 86 || sps.Profile_idc == 118 || sps.Profile_idc == 128 {
sps.Chroma_format_idc = bs.ReadUE()
if sps.Chroma_format_idc == 3 {
sps.Separate_colour_plane_flag = bs.Uint8(1) //separate_colour_plane_flag
}
sps.Bit_depth_luma_minus8 = bs.ReadUE() //bit_depth_luma_minus8
sps.Bit_depth_chroma_minus8 = bs.ReadUE() //bit_depth_chroma_minus8
bs.SkipBits(1) //qpprime_y_zero_transform_bypass_flag
seq_scaling_matrix_present_flag := bs.GetBit()
if seq_scaling_matrix_present_flag == 1 {
//seq_scaling_list_present_flag[i]
if sps.Chroma_format_idc == 3 {
bs.SkipBits(12)
} else {
bs.SkipBits(8)
}
}
}
sps.Log2_max_frame_num_minus4 = bs.ReadUE()
sps.Pic_order_cnt_type = bs.ReadUE()
if sps.Pic_order_cnt_type == 0 {
bs.ReadUE() // log2_max_pic_order_cnt_lsb_minus4
} else if sps.Pic_order_cnt_type == 1 {
bs.SkipBits(1) //delta_pic_order_always_zero_flag
bs.ReadSE() //offset_for_non_ref_pic
bs.ReadSE() //offset_for_top_to_bottom_field
num_ref_frames_in_pic_order_cnt_cycle := bs.ReadUE()
for i := 0; i < int(num_ref_frames_in_pic_order_cnt_cycle); i++ {
bs.ReadSE() //offset_for_ref_frame
}
}
sps.Max_num_ref_frames = bs.ReadUE()
sps.Gaps_in_frame_num_value_allowed_flag = bs.GetBit()
sps.Pic_width_in_mbs_minus1 = bs.ReadUE()
sps.Pic_height_in_map_units_minus1 = bs.ReadUE()
sps.Frame_mbs_only_flag = bs.GetBit()
if sps.Frame_mbs_only_flag == 0 {
bs.SkipBits(1) // mb_adaptive_frame_field_flag
}
sps.Direct_8x8_inference_flag = bs.GetBit()
sps.Frame_cropping_flag = bs.GetBit()
if sps.Frame_cropping_flag == 1 {
sps.Frame_crop_left_offset = bs.ReadUE() //frame_crop_left_offset
sps.Frame_crop_right_offset = bs.ReadUE() //frame_crop_right_offset
sps.Frame_crop_top_offset = bs.ReadUE() //frame_crop_top_offset
sps.Frame_crop_bottom_offset = bs.ReadUE() //frame_crop_bottom_offset
}
sps.Vui_parameters_present_flag = bs.GetBit()
}
type PPS struct {
Pic_parameter_set_id uint64
Seq_parameter_set_id uint64
Entropy_coding_mode_flag uint8
Bottom_field_pic_order_in_frame_present_flag uint8
Num_slice_groups_minus1 uint64
Pic_parameter_set_id uint64
Seq_parameter_set_id uint64
Entropy_coding_mode_flag uint8
Bottom_field_pic_order_in_frame_present_flag uint8
Num_slice_groups_minus1 uint64
}
func (pps *PPS) Decode(bs *BitStream) {
pps.Pic_parameter_set_id = bs.ReadUE()
pps.Seq_parameter_set_id = bs.ReadUE()
pps.Entropy_coding_mode_flag = bs.GetBit()
pps.Bottom_field_pic_order_in_frame_present_flag = bs.GetBit()
pps.Num_slice_groups_minus1 = bs.ReadUE()
pps.Pic_parameter_set_id = bs.ReadUE()
pps.Seq_parameter_set_id = bs.ReadUE()
pps.Entropy_coding_mode_flag = bs.GetBit()
pps.Bottom_field_pic_order_in_frame_present_flag = bs.GetBit()
pps.Num_slice_groups_minus1 = bs.ReadUE()
}
type SEIReaderWriter interface {
Read(size uint16, bs *BitStream)
Write(bsw *BitStreamWriter)
Read(size uint16, bs *BitStream)
Write(bsw *BitStreamWriter)
}
type UserDataUnregistered struct {
UUID []byte
UserData []byte
UUID []byte
UserData []byte
}
func (udu *UserDataUnregistered) Read(size uint16, bs *BitStream) {
udu.UUID = bs.GetBytes(16)
udu.UserData = bs.GetBytes(int(size - 16))
udu.UUID = bs.GetBytes(16)
udu.UserData = bs.GetBytes(int(size - 16))
}
func (udu *UserDataUnregistered) Write(bsw *BitStreamWriter) {
bsw.PutBytes(udu.UUID)
bsw.PutBytes(udu.UserData)
bsw.PutBytes(udu.UUID)
bsw.PutBytes(udu.UserData)
}
type SEI struct {
PayloadType uint16
PayloadSize uint16
Sei_payload SEIReaderWriter
PayloadType uint16
PayloadSize uint16
Sei_payload SEIReaderWriter
}
func (sei *SEI) Decode(bs *BitStream) {
for bs.NextBits(8) == 0xFF {
sei.PayloadType += 255
}
sei.PayloadType += uint16(bs.Uint8(8))
for bs.NextBits(8) == 0xFF {
sei.PayloadSize += 255
}
sei.PayloadSize += uint16(bs.Uint8(8))
if sei.PayloadType == 5 {
sei.Sei_payload = new(UserDataUnregistered)
sei.Sei_payload.Read(sei.PayloadSize, bs)
}
for bs.NextBits(8) == 0xFF {
sei.PayloadType += 255
}
sei.PayloadType += uint16(bs.Uint8(8))
for bs.NextBits(8) == 0xFF {
sei.PayloadSize += 255
}
sei.PayloadSize += uint16(bs.Uint8(8))
if sei.PayloadType == 5 {
sei.Sei_payload = new(UserDataUnregistered)
sei.Sei_payload.Read(sei.PayloadSize, bs)
}
}
func (sei *SEI) Encode(bsw *BitStreamWriter) []byte {
payloadType := sei.PayloadType
payloadSize := sei.PayloadSize
for payloadType >= 0xFF {
bsw.PutByte(0xFF)
payloadType -= 255
}
bsw.PutByte(uint8(payloadType))
for payloadSize >= 0xFF {
bsw.PutByte(0xFF)
payloadSize -= 255
}
bsw.PutByte(uint8(payloadSize))
sei.Sei_payload.Write(bsw)
return bsw.Bits()
payloadType := sei.PayloadType
payloadSize := sei.PayloadSize
for payloadType >= 0xFF {
bsw.PutByte(0xFF)
payloadType -= 255
}
bsw.PutByte(uint8(payloadType))
for payloadSize >= 0xFF {
bsw.PutByte(0xFF)
payloadSize -= 255
}
bsw.PutByte(uint8(payloadSize))
sei.Sei_payload.Write(bsw)
return bsw.Bits()
}
func GetSPSIdWithStartCode(sps []byte) uint64 {
start, sc := FindStartCode(sps, 0)
return GetSPSId(sps[start+int(sc):])
start, sc := FindStartCode(sps, 0)
return GetSPSId(sps[start+int(sc):])
}
func GetSPSId(sps []byte) uint64 {
sps = sps[1:]
bs := NewBitStream(sps)
bs.SkipBits(24)
return bs.ReadUE()
sps = sps[1:]
bs := NewBitStream(sps)
bs.SkipBits(24)
return bs.ReadUE()
}
func GetPPSIdWithStartCode(pps []byte) uint64 {
start, sc := FindStartCode(pps, 0)
return GetPPSId(pps[start+int(sc):])
start, sc := FindStartCode(pps, 0)
return GetPPSId(pps[start+int(sc):])
}
func GetPPSId(pps []byte) uint64 {
pps = pps[1:]
bs := NewBitStream(pps)
return bs.ReadUE()
pps = pps[1:]
bs := NewBitStream(pps)
return bs.ReadUE()
}
//https://stackoverflow.com/questions/12018535/get-the-width-height-of-the-video-from-h-264-nalu
//int Width = ((pic_width_in_mbs_minus1 +1)*16) - frame_crop_right_offset *2 - frame_crop_left_offset *2;
//int Height = ((2 - frame_mbs_only_flag)* (pic_height_in_map_units_minus1 +1) * 16) - (frame_crop_bottom_offset* 2) - (frame_crop_top_offset* 2);
func GetH264Resolution(sps []byte) (width uint32, height uint32) {
start, sc := FindStartCode(sps, 0)
bs := NewBitStream(sps[start+int(sc)+1:])
var s SPS
s.Decode(bs)
start, sc := FindStartCode(sps, 0)
bs := NewBitStream(sps[start+int(sc)+1:])
var s SPS
s.Decode(bs)
widthInSample := (uint32(s.Pic_width_in_mbs_minus1) + 1) * 16
widthCrop := uint32(s.Frame_crop_left_offset)*2 - uint32(s.Frame_crop_right_offset)*2
width = widthInSample - widthCrop
widthInSample := (uint32(s.Pic_width_in_mbs_minus1) + 1) * 16
widthCrop := uint32(s.Frame_crop_left_offset)*2 - uint32(s.Frame_crop_right_offset)*2
width = widthInSample - widthCrop
heightInSample := ((2 - uint32(s.Frame_mbs_only_flag)) * (uint32(s.Pic_height_in_map_units_minus1) + 1) * 16)
heightCrop := uint32(s.Frame_crop_bottom_offset)*2 - uint32(s.Frame_crop_top_offset)*2
height = heightInSample - heightCrop
heightInSample := ((2 - uint32(s.Frame_mbs_only_flag)) * (uint32(s.Pic_height_in_map_units_minus1) + 1) * 16)
heightCrop := uint32(s.Frame_crop_bottom_offset)*2 - uint32(s.Frame_crop_top_offset)*2
height = heightInSample - heightCrop
return
return
}
// aligned(8) class AVCDecoderConfigurationRecord {
@ -302,95 +302,95 @@ func GetH264Resolution(sps []byte) (width uint32, height uint32) {
// variable PPS NALU data
func CreateH264AVCCExtradata(spss [][]byte, ppss [][]byte) []byte {
extradata := make([]byte, 6, 256)
for i, sps := range spss {
start, sc := FindStartCode(sps, 0)
spss[i] = sps[start+int(sc):]
}
extradata := make([]byte, 6, 256)
for i, sps := range spss {
start, sc := FindStartCode(sps, 0)
spss[i] = sps[start+int(sc):]
}
for i, pps := range ppss {
start, sc := FindStartCode(pps, 0)
ppss[i] = pps[start+int(sc):]
}
for i, pps := range ppss {
start, sc := FindStartCode(pps, 0)
ppss[i] = pps[start+int(sc):]
}
extradata[0] = 0x01
extradata[1] = spss[0][1]
extradata[2] = spss[0][2]
extradata[3] = spss[0][3]
extradata[4] = 0xFF
extradata[5] = 0xE0 | uint8(len(spss))
for _, sps := range spss {
spssize := make([]byte, 2)
binary.BigEndian.PutUint16(spssize, uint16(len(sps)))
extradata = append(extradata, spssize...)
extradata = append(extradata, sps...)
}
extradata = append(extradata, uint8(len(ppss)))
for _, pps := range ppss {
ppssize := make([]byte, 2)
binary.BigEndian.PutUint16(ppssize, uint16(len(pps)))
extradata = append(extradata, ppssize...)
extradata = append(extradata, pps...)
}
var h264sps SPS
h264sps.Decode(NewBitStream(spss[0][1:]))
if h264sps.Profile_idc == 100 ||
h264sps.Profile_idc == 110 ||
h264sps.Profile_idc == 122 ||
h264sps.Profile_idc == 144 {
tmp := make([]byte, 4)
tmp[0] = 0xFC | uint8(h264sps.Chroma_format_idc&0x03)
tmp[1] = 0xF8 | uint8(h264sps.Bit_depth_luma_minus8&0x07)
tmp[2] = 0xF8 | uint8(h264sps.Bit_depth_chroma_minus8&0x07)
tmp[3] = 0
extradata = append(extradata, tmp...)
}
extradata[0] = 0x01
extradata[1] = spss[0][1]
extradata[2] = spss[0][2]
extradata[3] = spss[0][3]
extradata[4] = 0xFF
extradata[5] = 0xE0 | uint8(len(spss))
for _, sps := range spss {
spssize := make([]byte, 2)
binary.BigEndian.PutUint16(spssize, uint16(len(sps)))
extradata = append(extradata, spssize...)
extradata = append(extradata, sps...)
}
extradata = append(extradata, uint8(len(ppss)))
for _, pps := range ppss {
ppssize := make([]byte, 2)
binary.BigEndian.PutUint16(ppssize, uint16(len(pps)))
extradata = append(extradata, ppssize...)
extradata = append(extradata, pps...)
}
var h264sps SPS
h264sps.Decode(NewBitStream(spss[0][1:]))
if h264sps.Profile_idc == 100 ||
h264sps.Profile_idc == 110 ||
h264sps.Profile_idc == 122 ||
h264sps.Profile_idc == 144 {
tmp := make([]byte, 4)
tmp[0] = 0xFC | uint8(h264sps.Chroma_format_idc&0x03)
tmp[1] = 0xF8 | uint8(h264sps.Bit_depth_luma_minus8&0x07)
tmp[2] = 0xF8 | uint8(h264sps.Bit_depth_chroma_minus8&0x07)
tmp[3] = 0
extradata = append(extradata, tmp...)
}
return extradata
return extradata
}
func CovertExtradata(extraData []byte) ([][]byte, [][]byte) {
spsnum := extraData[5] & 0x1F
spss := make([][]byte, spsnum)
offset := 6
for i := 0; i < int(spsnum); i++ {
spssize := binary.BigEndian.Uint16(extraData[offset:])
sps := make([]byte, spssize+4)
copy(sps, []byte{0x00, 0x00, 0x00, 0x01})
copy(sps[4:], extraData[offset+2:offset+2+int(spssize)])
offset += 2 + int(spssize)
spss[i] = sps
}
ppsnum := extraData[offset]
ppss := make([][]byte, ppsnum)
offset++
for i := 0; i < int(ppsnum); i++ {
ppssize := binary.BigEndian.Uint16(extraData[offset:])
pps := make([]byte, ppssize+4)
copy(pps, []byte{0x00, 0x00, 0x00, 0x01})
copy(pps[4:], extraData[offset+2:offset+2+int(ppssize)])
offset += 2 + int(ppssize)
ppss[i] = pps
}
return spss, ppss
spsnum := extraData[5] & 0x1F
spss := make([][]byte, spsnum)
offset := 6
for i := 0; i < int(spsnum); i++ {
spssize := binary.BigEndian.Uint16(extraData[offset:])
sps := make([]byte, spssize+4)
copy(sps, []byte{0x00, 0x00, 0x00, 0x01})
copy(sps[4:], extraData[offset+2:offset+2+int(spssize)])
offset += 2 + int(spssize)
spss[i] = sps
}
ppsnum := extraData[offset]
ppss := make([][]byte, ppsnum)
offset++
for i := 0; i < int(ppsnum); i++ {
ppssize := binary.BigEndian.Uint16(extraData[offset:])
pps := make([]byte, ppssize+4)
copy(pps, []byte{0x00, 0x00, 0x00, 0x01})
copy(pps[4:], extraData[offset+2:offset+2+int(ppssize)])
offset += 2 + int(ppssize)
ppss[i] = pps
}
return spss, ppss
}
func ConvertAnnexBToAVCC(annexb []byte) []byte {
start, sc := FindStartCode(annexb, 0)
if sc == START_CODE_4 {
binary.BigEndian.PutUint32(annexb[start:], uint32(len(annexb)-4))
return annexb
} else {
avcc := make([]byte, 1+len(annexb))
binary.BigEndian.PutUint32(avcc, uint32(len(annexb)-3))
copy(avcc[4:], annexb[start+3:])
return avcc
}
start, sc := FindStartCode(annexb, 0)
if sc == START_CODE_4 {
binary.BigEndian.PutUint32(annexb[start:], uint32(len(annexb)-4))
return annexb
} else {
avcc := make([]byte, 1+len(annexb))
binary.BigEndian.PutUint32(avcc, uint32(len(annexb)-3))
copy(avcc[4:], annexb[start+3:])
return avcc
}
}
func CovertAVCCToAnnexB(avcc []byte) {
avcc[0] = 0x00
avcc[1] = 0x00
avcc[2] = 0x00
avcc[3] = 0x01
avcc[0] = 0x00
avcc[1] = 0x00
avcc[2] = 0x00
avcc[3] = 0x01
}

1652
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/codec/h265.go generated vendored
View file

File diff suppressed because it is too large Load diff

398
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/codec/opus.go generated vendored
View file

@ -1,8 +1,8 @@
package codec
import (
"encoding/binary"
"errors"
"encoding/binary"
"errors"
)
// rfc6716 https://datatracker.ietf.org/doc/html/rfc6716
@ -157,169 +157,169 @@ import (
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
var (
/// 10ms,20ms,40ms,60ms, samplerate 48000
// sample num per millisecond
// 48000 / 1000ms * 10 = 480 ...
SLKOpusSampleSize [4]int = [4]int{480, 960, 1920, 2880}
HybridOpusSampleSize [4]int = [4]int{480, 960}
CELTOpusSampleSize [4]int = [4]int{120, 210, 480, 960}
/// 10ms,20ms,40ms,60ms, samplerate 48000
// sample num per millisecond
// 48000 / 1000ms * 10 = 480 ...
SLKOpusSampleSize [4]int = [4]int{480, 960, 1920, 2880}
HybridOpusSampleSize [4]int = [4]int{480, 960}
CELTOpusSampleSize [4]int = [4]int{120, 210, 480, 960}
)
func OpusPacketDuration(packet []byte) uint64 {
config := int(packet[0] >> 3)
code := packet[0] & 0x03
frameCount := 0
var duration uint64
if code == 0 {
frameCount = 1
} else if code == 1 || code == 2 {
frameCount = 2
} else if code == 3 {
frameCount = int(packet[1] & 0x1F)
} else {
panic("code must <= 3")
}
config := int(packet[0] >> 3)
code := packet[0] & 0x03
frameCount := 0
var duration uint64
if code == 0 {
frameCount = 1
} else if code == 1 || code == 2 {
frameCount = 2
} else if code == 3 {
frameCount = int(packet[1] & 0x1F)
} else {
panic("code must <= 3")
}
switch {
case config >= 0 && config < 12:
duration = uint64(frameCount * SLKOpusSampleSize[config%4])
case config >= 12 && config < 16:
duration = uint64(frameCount * HybridOpusSampleSize[config%2])
case config >= 16 && config < 32:
duration = uint64(frameCount * CELTOpusSampleSize[config%4])
default:
panic("unkown opus config")
}
switch {
case config >= 0 && config < 12:
duration = uint64(frameCount * SLKOpusSampleSize[config%4])
case config >= 12 && config < 16:
duration = uint64(frameCount * HybridOpusSampleSize[config%2])
case config >= 16 && config < 32:
duration = uint64(frameCount * CELTOpusSampleSize[config%4])
default:
panic("unkown opus config")
}
return duration
return duration
}
//ffmpeg opus.h OpusPacket
type OpusPacket struct {
Code int
Config int
Stereo int
Vbr int
FrameCount int
FrameLen []uint16
Frame []byte
Duration uint64
Code int
Config int
Stereo int
Vbr int
FrameCount int
FrameLen []uint16
Frame []byte
Duration uint64
}
func DecodeOpusPacket(packet []byte) *OpusPacket {
pkt := &OpusPacket{}
pkt.Code = int(packet[0] & 0x03)
pkt.Stereo = int((packet[0] >> 2) & 0x01)
pkt.Config = int(packet[0] >> 3)
pkt := &OpusPacket{}
pkt.Code = int(packet[0] & 0x03)
pkt.Stereo = int((packet[0] >> 2) & 0x01)
pkt.Config = int(packet[0] >> 3)
switch pkt.Code {
case 0:
pkt.FrameCount = 1
pkt.FrameLen = make([]uint16, 1)
pkt.FrameLen[0] = uint16(len(packet) - 1)
pkt.Frame = packet[1:]
case 1:
pkt.FrameCount = 2
pkt.FrameLen = make([]uint16, 1)
pkt.FrameLen[0] = uint16(len(packet)-1) / 2
pkt.Frame = packet[1:]
case 2:
pkt.FrameCount = 2
hdr := 1
N1 := int(packet[1])
if N1 >= 252 {
N1 = N1 + int(packet[2]*4)
hdr = 2
}
pkt.FrameLen = make([]uint16, 2)
pkt.FrameLen[0] = uint16(N1)
pkt.FrameLen[1] = uint16(len(packet)-hdr) - uint16(N1)
case 3:
hdr := 2
pkt.Vbr = int(packet[1] >> 7)
padding := packet[1] >> 6
pkt.FrameCount = int(packet[1] & 0x1F)
paddingLen := 0
if padding == 1 {
for packet[hdr] == 255 {
paddingLen += 254
hdr++
}
paddingLen += int(packet[hdr])
}
switch pkt.Code {
case 0:
pkt.FrameCount = 1
pkt.FrameLen = make([]uint16, 1)
pkt.FrameLen[0] = uint16(len(packet) - 1)
pkt.Frame = packet[1:]
case 1:
pkt.FrameCount = 2
pkt.FrameLen = make([]uint16, 1)
pkt.FrameLen[0] = uint16(len(packet)-1) / 2
pkt.Frame = packet[1:]
case 2:
pkt.FrameCount = 2
hdr := 1
N1 := int(packet[1])
if N1 >= 252 {
N1 = N1 + int(packet[2]*4)
hdr = 2
}
pkt.FrameLen = make([]uint16, 2)
pkt.FrameLen[0] = uint16(N1)
pkt.FrameLen[1] = uint16(len(packet)-hdr) - uint16(N1)
case 3:
hdr := 2
pkt.Vbr = int(packet[1] >> 7)
padding := packet[1] >> 6
pkt.FrameCount = int(packet[1] & 0x1F)
paddingLen := 0
if padding == 1 {
for packet[hdr] == 255 {
paddingLen += 254
hdr++
}
paddingLen += int(packet[hdr])
}
if pkt.Vbr == 0 {
pkt.FrameLen = make([]uint16, 1)
pkt.FrameLen[0] = uint16(len(packet)-hdr-paddingLen) / uint16(pkt.FrameCount)
pkt.Frame = packet[hdr : hdr+int(pkt.FrameLen[0]*uint16(pkt.FrameCount))]
} else {
n := 0
for i := 0; i < int(pkt.FrameCount)-1; i++ {
N1 := int(packet[hdr])
hdr += 1
if N1 >= 252 {
N1 = N1 + int(packet[hdr]*4)
hdr += 1
}
n += N1
pkt.FrameLen = append(pkt.FrameLen, uint16(N1))
}
lastFrameLen := len(packet) - hdr - paddingLen - n
pkt.FrameLen = append(pkt.FrameLen, uint16(lastFrameLen))
pkt.Frame = packet[hdr : hdr+n+lastFrameLen]
}
default:
panic("Error C must <= 3")
}
OpusPacketDuration(packet)
return pkt
if pkt.Vbr == 0 {
pkt.FrameLen = make([]uint16, 1)
pkt.FrameLen[0] = uint16(len(packet)-hdr-paddingLen) / uint16(pkt.FrameCount)
pkt.Frame = packet[hdr : hdr+int(pkt.FrameLen[0]*uint16(pkt.FrameCount))]
} else {
n := 0
for i := 0; i < int(pkt.FrameCount)-1; i++ {
N1 := int(packet[hdr])
hdr += 1
if N1 >= 252 {
N1 = N1 + int(packet[hdr]*4)
hdr += 1
}
n += N1
pkt.FrameLen = append(pkt.FrameLen, uint16(N1))
}
lastFrameLen := len(packet) - hdr - paddingLen - n
pkt.FrameLen = append(pkt.FrameLen, uint16(lastFrameLen))
pkt.Frame = packet[hdr : hdr+n+lastFrameLen]
}
default:
panic("Error C must <= 3")
}
OpusPacketDuration(packet)
return pkt
}
const (
LEFT_CHANNEL = 0
RIGHT_CHANNEL = 1
LEFT_CHANNEL = 0
RIGHT_CHANNEL = 1
)
var (
vorbisChanLayoutOffset [8][8]byte = [8][8]byte{
{0},
{0, 1},
{0, 2, 1},
{0, 1, 2, 3},
{0, 2, 1, 3, 4},
{0, 2, 1, 5, 3, 4},
{0, 2, 1, 6, 5, 3, 4},
{0, 2, 1, 7, 5, 6, 3, 4},
}
vorbisChanLayoutOffset [8][8]byte = [8][8]byte{
{0},
{0, 1},
{0, 2, 1},
{0, 1, 2, 3},
{0, 2, 1, 3, 4},
{0, 2, 1, 5, 3, 4},
{0, 2, 1, 6, 5, 3, 4},
{0, 2, 1, 7, 5, 6, 3, 4},
}
)
type ChannelOrder func(channels int, idx int) int
func defalutOrder(channels int, idx int) int {
return idx
return idx
}
func vorbisOrder(channels int, idx int) int {
return int(vorbisChanLayoutOffset[channels-1][idx])
return int(vorbisChanLayoutOffset[channels-1][idx])
}
type ChannelMap struct {
StreamIdx int
ChannelIdx int
Silence bool
Copy bool
CopyFrom int
StreamIdx int
ChannelIdx int
Silence bool
Copy bool
CopyFrom int
}
type OpusContext struct {
Preskip int
SampleRate int
ChannelCount int
StreamCount int
StereoStreamCount int
OutputGain uint16
MapType uint8
ChannelMaps []ChannelMap
Preskip int
SampleRate int
ChannelCount int
StreamCount int
StereoStreamCount int
OutputGain uint16
MapType uint8
ChannelMaps []ChannelMap
}
// opus ID Head
@ -348,83 +348,83 @@ type OpusContext struct {
// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
//
func (ctx *OpusContext) ParseExtranData(extraData []byte) error {
if string(extraData[0:8]) != "OpusHead" {
return errors.New("magic signature must equal OpusHead")
}
if string(extraData[0:8]) != "OpusHead" {
return errors.New("magic signature must equal OpusHead")
}
_ = extraData[8] // version
ctx.ChannelCount = int(extraData[9])
ctx.Preskip = int(binary.LittleEndian.Uint16(extraData[10:]))
ctx.SampleRate = int(binary.LittleEndian.Uint32(extraData[12:]))
ctx.OutputGain = binary.LittleEndian.Uint16(extraData[16:])
ctx.MapType = extraData[18]
var channel []byte
var order ChannelOrder
if ctx.MapType == 0 {
ctx.StreamCount = 1
ctx.StereoStreamCount = ctx.ChannelCount - 1
channel = []byte{0, 1}
order = defalutOrder
} else if ctx.MapType == 1 || ctx.MapType == 2 || ctx.MapType == 255 {
ctx.StreamCount = int(extraData[19])
ctx.StereoStreamCount = int(extraData[20])
if ctx.MapType == 1 {
channel = extraData[21 : 21+ctx.ChannelCount]
order = vorbisOrder
}
} else {
return errors.New("unsupport map type 255")
}
_ = extraData[8] // version
ctx.ChannelCount = int(extraData[9])
ctx.Preskip = int(binary.LittleEndian.Uint16(extraData[10:]))
ctx.SampleRate = int(binary.LittleEndian.Uint32(extraData[12:]))
ctx.OutputGain = binary.LittleEndian.Uint16(extraData[16:])
ctx.MapType = extraData[18]
var channel []byte
var order ChannelOrder
if ctx.MapType == 0 {
ctx.StreamCount = 1
ctx.StereoStreamCount = ctx.ChannelCount - 1
channel = []byte{0, 1}
order = defalutOrder
} else if ctx.MapType == 1 || ctx.MapType == 2 || ctx.MapType == 255 {
ctx.StreamCount = int(extraData[19])
ctx.StereoStreamCount = int(extraData[20])
if ctx.MapType == 1 {
channel = extraData[21 : 21+ctx.ChannelCount]
order = vorbisOrder
}
} else {
return errors.New("unsupport map type 255")
}
for i := 0; i < ctx.ChannelCount; i++ {
cm := ChannelMap{}
index := channel[order(ctx.ChannelCount, i)]
if index == 255 {
cm.Silence = true
continue
} else if index > byte(ctx.StereoStreamCount)+byte(ctx.StreamCount) {
return errors.New("index must < (streamcount + stereo streamcount)")
}
for i := 0; i < ctx.ChannelCount; i++ {
cm := ChannelMap{}
index := channel[order(ctx.ChannelCount, i)]
if index == 255 {
cm.Silence = true
continue
} else if index > byte(ctx.StereoStreamCount)+byte(ctx.StreamCount) {
return errors.New("index must < (streamcount + stereo streamcount)")
}
for j := 0; j < i; j++ {
if channel[order(ctx.ChannelCount, i)] == index {
cm.Copy = true
cm.CopyFrom = j
break
}
}
for j := 0; j < i; j++ {
if channel[order(ctx.ChannelCount, i)] == index {
cm.Copy = true
cm.CopyFrom = j
break
}
}
if int(index) < 2*ctx.StereoStreamCount {
cm.StreamIdx = int(index) / 2
if index&1 == 0 {
cm.ChannelIdx = LEFT_CHANNEL
} else {
cm.ChannelIdx = RIGHT_CHANNEL
}
} else {
cm.StreamIdx = int(index) - ctx.StereoStreamCount
cm.ChannelIdx = 0
}
ctx.ChannelMaps = append(ctx.ChannelMaps, cm)
}
if int(index) < 2*ctx.StereoStreamCount {
cm.StreamIdx = int(index) / 2
if index&1 == 0 {
cm.ChannelIdx = LEFT_CHANNEL
} else {
cm.ChannelIdx = RIGHT_CHANNEL
}
} else {
cm.StreamIdx = int(index) - ctx.StereoStreamCount
cm.ChannelIdx = 0
}
ctx.ChannelMaps = append(ctx.ChannelMaps, cm)
}
return nil
return nil
}
func (ctx *OpusContext) WriteOpusExtraData() []byte {
extraData := make([]byte, 19)
copy(extraData, string("OpusHead"))
extraData[8] = 0x01
extraData[9] = byte(ctx.ChannelCount)
binary.LittleEndian.PutUint16(extraData[10:], uint16(ctx.Preskip))
binary.LittleEndian.PutUint32(extraData[12:], uint32(ctx.SampleRate))
return extraData
extraData := make([]byte, 19)
copy(extraData, string("OpusHead"))
extraData[8] = 0x01
extraData[9] = byte(ctx.ChannelCount)
binary.LittleEndian.PutUint16(extraData[10:], uint16(ctx.Preskip))
binary.LittleEndian.PutUint32(extraData[12:], uint32(ctx.SampleRate))
return extraData
}
func WriteDefaultOpusExtraData() []byte {
return []byte{
'O', 'p', 'u', 's', 'H', 'e', 'a', 'd',
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}
return []byte{
'O', 'p', 'u', 's', 'H', 'e', 'a', 'd',
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}
}

370
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/codec/util.go generated vendored
View file

@ -5,253 +5,253 @@ import "fmt"
type START_CODE_TYPE int
const (
START_CODE_3 START_CODE_TYPE = 3
START_CODE_4 = 4
START_CODE_3 START_CODE_TYPE = 3
START_CODE_4 = 4
)
func FindStartCode(nalu []byte, offset int) (int, START_CODE_TYPE) {
for i := offset; i < len(nalu)-4; i++ {
if nalu[i] == 0x00 && nalu[i+1] == 0x00 {
if nalu[i+2] == 0x01 {
return i, START_CODE_3
} else if nalu[i+2] == 0x00 && nalu[i+3] == 0x01 {
return i, START_CODE_4
}
}
}
return -1, START_CODE_3
for i := offset; i < len(nalu)-4; i++ {
if nalu[i] == 0x00 && nalu[i+1] == 0x00 {
if nalu[i+2] == 0x01 {
return i, START_CODE_3
} else if nalu[i+2] == 0x00 && nalu[i+3] == 0x01 {
return i, START_CODE_4
}
}
}
return -1, START_CODE_3
}
func FindSyncword(aac []byte, offset int) int {
for i := offset; i < len(aac); i++ {
if aac[i] == 0xFF && aac[i+1]&0xF0 == 0xF0 {
return i
}
}
return -1
for i := offset; i < len(aac); i++ {
if aac[i] == 0xFF && aac[i+1]&0xF0 == 0xF0 {
return i
}
}
return -1
}
func SplitFrame(frames []byte, onFrame func(nalu []byte) bool) {
beg, sc := FindStartCode(frames, 0)
for beg >= 0 {
end, sc2 := FindStartCode(frames, beg+int(sc))
if end == -1 {
if onFrame != nil {
onFrame(frames[beg+int(sc):])
}
break
}
if onFrame != nil && onFrame(frames[beg+int(sc):end]) == false {
break
}
beg = end
sc = sc2
}
beg, sc := FindStartCode(frames, 0)
for beg >= 0 {
end, sc2 := FindStartCode(frames, beg+int(sc))
if end == -1 {
if onFrame != nil {
onFrame(frames[beg+int(sc):])
}
break
}
if onFrame != nil && onFrame(frames[beg+int(sc):end]) == false {
break
}
beg = end
sc = sc2
}
}
func SplitFrameWithStartCode(frames []byte, onFrame func(nalu []byte) bool) {
beg, sc := FindStartCode(frames, 0)
for beg >= 0 {
end, sc2 := FindStartCode(frames, beg+int(sc))
if end == -1 {
if onFrame != nil {
onFrame(frames[beg:])
}
break
}
if onFrame != nil && onFrame(frames[beg:end]) == false {
break
}
beg = end
sc = sc2
}
beg, sc := FindStartCode(frames, 0)
for beg >= 0 {
end, sc2 := FindStartCode(frames, beg+int(sc))
if end == -1 {
if onFrame != nil {
onFrame(frames[beg:])
}
break
}
if onFrame != nil && onFrame(frames[beg:end]) == false {
break
}
beg = end
sc = sc2
}
}
func SplitAACFrame(frames []byte, onFrame func(aac []byte)) {
var adts ADTS_Frame_Header
start := FindSyncword(frames, 0)
for start >= 0 {
adts.Decode(frames[start:])
onFrame(frames[start : start+int(adts.Variable_Header.Frame_length)])
start = FindSyncword(frames, start+int(adts.Variable_Header.Frame_length))
}
var adts ADTS_Frame_Header
start := FindSyncword(frames, 0)
for start >= 0 {
adts.Decode(frames[start:])
onFrame(frames[start : start+int(adts.Variable_Header.Frame_length)])
start = FindSyncword(frames, start+int(adts.Variable_Header.Frame_length))
}
}
func H264NaluType(h264 []byte) H264_NAL_TYPE {
loc, sc := FindStartCode(h264, 0)
return H264_NAL_TYPE(h264[loc+int(sc)] & 0x1F)
loc, sc := FindStartCode(h264, 0)
return H264_NAL_TYPE(h264[loc+int(sc)] & 0x1F)
}
func H264NaluTypeWithoutStartCode(h264 []byte) H264_NAL_TYPE {
return H264_NAL_TYPE(h264[0] & 0x1F)
return H264_NAL_TYPE(h264[0] & 0x1F)
}
func H265NaluType(h265 []byte) H265_NAL_TYPE {
loc, sc := FindStartCode(h265, 0)
return H265_NAL_TYPE((h265[loc+int(sc)] >> 1) & 0x3F)
loc, sc := FindStartCode(h265, 0)
return H265_NAL_TYPE((h265[loc+int(sc)] >> 1) & 0x3F)
}
func H265NaluTypeWithoutStartCode(h265 []byte) H265_NAL_TYPE {
return H265_NAL_TYPE((h265[0] >> 1) & 0x3F)
return H265_NAL_TYPE((h265[0] >> 1) & 0x3F)
}
func GetH264FirstMbInSlice(nalu []byte) uint64 {
start, sc := FindStartCode(nalu, 0)
bs := NewBitStream(nalu[start+int(sc)+1:])
sliceHdr := &SliceHeader{}
sliceHdr.Decode(bs)
return sliceHdr.First_mb_in_slice
start, sc := FindStartCode(nalu, 0)
bs := NewBitStream(nalu[start+int(sc)+1:])
sliceHdr := &SliceHeader{}
sliceHdr.Decode(bs)
return sliceHdr.First_mb_in_slice
}
func GetH265FirstMbInSlice(nalu []byte) uint64 {
start, sc := FindStartCode(nalu, 0)
bs := NewBitStream(nalu[start+int(sc)+2:])
sliceHdr := &SliceHeader{}
sliceHdr.Decode(bs)
return sliceHdr.First_mb_in_slice
start, sc := FindStartCode(nalu, 0)
bs := NewBitStream(nalu[start+int(sc)+2:])
sliceHdr := &SliceHeader{}
sliceHdr.Decode(bs)
return sliceHdr.First_mb_in_slice
}
func IsH264IDRFrame(h264 []byte) bool {
ret := false
onnalu := func(nalu []byte) bool {
nal_type := H264NaluTypeWithoutStartCode(nalu)
if nal_type < 5 {
return false
} else if nal_type == 5 {
ret = true
return false
} else {
return true
}
}
SplitFrame(h264, onnalu)
return ret
ret := false
onnalu := func(nalu []byte) bool {
nal_type := H264NaluTypeWithoutStartCode(nalu)
if nal_type < 5 {
return false
} else if nal_type == 5 {
ret = true
return false
} else {
return true
}
}
SplitFrame(h264, onnalu)
return ret
}
func IsH264VCLNaluType(nal_type H264_NAL_TYPE) bool {
if nal_type <= H264_NAL_I_SLICE && nal_type > H264_NAL_RESERVED {
return true
}
return false
if nal_type <= H264_NAL_I_SLICE && nal_type > H264_NAL_RESERVED {
return true
}
return false
}
func IsH265VCLNaluType(nal_type H265_NAL_TYPE) bool {
if (nal_type <= H265_NAL_SLICE_CRA && nal_type >= H265_NAL_SLICE_BLA_W_LP) ||
(nal_type <= H265_NAL_SLICE_RASL_R && nal_type >= H265_NAL_Slice_TRAIL_N) {
return true
}
return false
if (nal_type <= H265_NAL_SLICE_CRA && nal_type >= H265_NAL_SLICE_BLA_W_LP) ||
(nal_type <= H265_NAL_SLICE_RASL_R && nal_type >= H265_NAL_Slice_TRAIL_N) {
return true
}
return false
}
func IsH265IDRFrame(h265 []byte) bool {
ret := false
onnalu := func(nalu []byte) bool {
nal_type := H264NaluTypeWithoutStartCode(nalu)
if nal_type <= 9 && nal_type >= 0 {
return false
} else if nal_type >= 16 && nal_type <= 21 {
ret = true
return false
} else {
return true
}
}
SplitFrame(h265, onnalu)
return ret
ret := false
onnalu := func(nalu []byte) bool {
nal_type := H264NaluTypeWithoutStartCode(nalu)
if nal_type <= 9 && nal_type >= 0 {
return false
} else if nal_type >= 16 && nal_type <= 21 {
ret = true
return false
} else {
return true
}
}
SplitFrame(h265, onnalu)
return ret
}
func Max(x, y int) int {
if x > y {
return x
} else {
return y
}
if x > y {
return x
} else {
return y
}
}
func Min(x, y int) int {
if x > y {
return y
} else {
return x
}
if x > y {
return y
} else {
return x
}
}
func ShowPacketHexdump(data []byte) {
for k := 0; k < len(data); k++ {
if k%8 == 0 && k != 0 {
fmt.Printf("\n")
}
fmt.Printf("%02x ", data[k])
}
fmt.Printf("\n")
for k := 0; k < len(data); k++ {
if k%8 == 0 && k != 0 {
fmt.Printf("\n")
}
fmt.Printf("%02x ", data[k])
}
fmt.Printf("\n")
}
var crc32table [256]uint32 = [256]uint32{
0x00000000, 0xB71DC104, 0x6E3B8209, 0xD926430D, 0xDC760413, 0x6B6BC517,
0xB24D861A, 0x0550471E, 0xB8ED0826, 0x0FF0C922, 0xD6D68A2F, 0x61CB4B2B,
0x649B0C35, 0xD386CD31, 0x0AA08E3C, 0xBDBD4F38, 0x70DB114C, 0xC7C6D048,
0x1EE09345, 0xA9FD5241, 0xACAD155F, 0x1BB0D45B, 0xC2969756, 0x758B5652,
0xC836196A, 0x7F2BD86E, 0xA60D9B63, 0x11105A67, 0x14401D79, 0xA35DDC7D,
0x7A7B9F70, 0xCD665E74, 0xE0B62398, 0x57ABE29C, 0x8E8DA191, 0x39906095,
0x3CC0278B, 0x8BDDE68F, 0x52FBA582, 0xE5E66486, 0x585B2BBE, 0xEF46EABA,
0x3660A9B7, 0x817D68B3, 0x842D2FAD, 0x3330EEA9, 0xEA16ADA4, 0x5D0B6CA0,
0x906D32D4, 0x2770F3D0, 0xFE56B0DD, 0x494B71D9, 0x4C1B36C7, 0xFB06F7C3,
0x2220B4CE, 0x953D75CA, 0x28803AF2, 0x9F9DFBF6, 0x46BBB8FB, 0xF1A679FF,
0xF4F63EE1, 0x43EBFFE5, 0x9ACDBCE8, 0x2DD07DEC, 0x77708634, 0xC06D4730,
0x194B043D, 0xAE56C539, 0xAB068227, 0x1C1B4323, 0xC53D002E, 0x7220C12A,
0xCF9D8E12, 0x78804F16, 0xA1A60C1B, 0x16BBCD1F, 0x13EB8A01, 0xA4F64B05,
0x7DD00808, 0xCACDC90C, 0x07AB9778, 0xB0B6567C, 0x69901571, 0xDE8DD475,
0xDBDD936B, 0x6CC0526F, 0xB5E61162, 0x02FBD066, 0xBF469F5E, 0x085B5E5A,
0xD17D1D57, 0x6660DC53, 0x63309B4D, 0xD42D5A49, 0x0D0B1944, 0xBA16D840,
0x97C6A5AC, 0x20DB64A8, 0xF9FD27A5, 0x4EE0E6A1, 0x4BB0A1BF, 0xFCAD60BB,
0x258B23B6, 0x9296E2B2, 0x2F2BAD8A, 0x98366C8E, 0x41102F83, 0xF60DEE87,
0xF35DA999, 0x4440689D, 0x9D662B90, 0x2A7BEA94, 0xE71DB4E0, 0x500075E4,
0x892636E9, 0x3E3BF7ED, 0x3B6BB0F3, 0x8C7671F7, 0x555032FA, 0xE24DF3FE,
0x5FF0BCC6, 0xE8ED7DC2, 0x31CB3ECF, 0x86D6FFCB, 0x8386B8D5, 0x349B79D1,
0xEDBD3ADC, 0x5AA0FBD8, 0xEEE00C69, 0x59FDCD6D, 0x80DB8E60, 0x37C64F64,
0x3296087A, 0x858BC97E, 0x5CAD8A73, 0xEBB04B77, 0x560D044F, 0xE110C54B,
0x38368646, 0x8F2B4742, 0x8A7B005C, 0x3D66C158, 0xE4408255, 0x535D4351,
0x9E3B1D25, 0x2926DC21, 0xF0009F2C, 0x471D5E28, 0x424D1936, 0xF550D832,
0x2C769B3F, 0x9B6B5A3B, 0x26D61503, 0x91CBD407, 0x48ED970A, 0xFFF0560E,
0xFAA01110, 0x4DBDD014, 0x949B9319, 0x2386521D, 0x0E562FF1, 0xB94BEEF5,
0x606DADF8, 0xD7706CFC, 0xD2202BE2, 0x653DEAE6, 0xBC1BA9EB, 0x0B0668EF,
0xB6BB27D7, 0x01A6E6D3, 0xD880A5DE, 0x6F9D64DA, 0x6ACD23C4, 0xDDD0E2C0,
0x04F6A1CD, 0xB3EB60C9, 0x7E8D3EBD, 0xC990FFB9, 0x10B6BCB4, 0xA7AB7DB0,
0xA2FB3AAE, 0x15E6FBAA, 0xCCC0B8A7, 0x7BDD79A3, 0xC660369B, 0x717DF79F,
0xA85BB492, 0x1F467596, 0x1A163288, 0xAD0BF38C, 0x742DB081, 0xC3307185,
0x99908A5D, 0x2E8D4B59, 0xF7AB0854, 0x40B6C950, 0x45E68E4E, 0xF2FB4F4A,
0x2BDD0C47, 0x9CC0CD43, 0x217D827B, 0x9660437F, 0x4F460072, 0xF85BC176,
0xFD0B8668, 0x4A16476C, 0x93300461, 0x242DC565, 0xE94B9B11, 0x5E565A15,
0x87701918, 0x306DD81C, 0x353D9F02, 0x82205E06, 0x5B061D0B, 0xEC1BDC0F,
0x51A69337, 0xE6BB5233, 0x3F9D113E, 0x8880D03A, 0x8DD09724, 0x3ACD5620,
0xE3EB152D, 0x54F6D429, 0x7926A9C5, 0xCE3B68C1, 0x171D2BCC, 0xA000EAC8,
0xA550ADD6, 0x124D6CD2, 0xCB6B2FDF, 0x7C76EEDB, 0xC1CBA1E3, 0x76D660E7,
0xAFF023EA, 0x18EDE2EE, 0x1DBDA5F0, 0xAAA064F4, 0x738627F9, 0xC49BE6FD,
0x09FDB889, 0xBEE0798D, 0x67C63A80, 0xD0DBFB84, 0xD58BBC9A, 0x62967D9E,
0xBBB03E93, 0x0CADFF97, 0xB110B0AF, 0x060D71AB, 0xDF2B32A6, 0x6836F3A2,
0x6D66B4BC, 0xDA7B75B8, 0x035D36B5, 0xB440F7B1,
0x00000000, 0xB71DC104, 0x6E3B8209, 0xD926430D, 0xDC760413, 0x6B6BC517,
0xB24D861A, 0x0550471E, 0xB8ED0826, 0x0FF0C922, 0xD6D68A2F, 0x61CB4B2B,
0x649B0C35, 0xD386CD31, 0x0AA08E3C, 0xBDBD4F38, 0x70DB114C, 0xC7C6D048,
0x1EE09345, 0xA9FD5241, 0xACAD155F, 0x1BB0D45B, 0xC2969756, 0x758B5652,
0xC836196A, 0x7F2BD86E, 0xA60D9B63, 0x11105A67, 0x14401D79, 0xA35DDC7D,
0x7A7B9F70, 0xCD665E74, 0xE0B62398, 0x57ABE29C, 0x8E8DA191, 0x39906095,
0x3CC0278B, 0x8BDDE68F, 0x52FBA582, 0xE5E66486, 0x585B2BBE, 0xEF46EABA,
0x3660A9B7, 0x817D68B3, 0x842D2FAD, 0x3330EEA9, 0xEA16ADA4, 0x5D0B6CA0,
0x906D32D4, 0x2770F3D0, 0xFE56B0DD, 0x494B71D9, 0x4C1B36C7, 0xFB06F7C3,
0x2220B4CE, 0x953D75CA, 0x28803AF2, 0x9F9DFBF6, 0x46BBB8FB, 0xF1A679FF,
0xF4F63EE1, 0x43EBFFE5, 0x9ACDBCE8, 0x2DD07DEC, 0x77708634, 0xC06D4730,
0x194B043D, 0xAE56C539, 0xAB068227, 0x1C1B4323, 0xC53D002E, 0x7220C12A,
0xCF9D8E12, 0x78804F16, 0xA1A60C1B, 0x16BBCD1F, 0x13EB8A01, 0xA4F64B05,
0x7DD00808, 0xCACDC90C, 0x07AB9778, 0xB0B6567C, 0x69901571, 0xDE8DD475,
0xDBDD936B, 0x6CC0526F, 0xB5E61162, 0x02FBD066, 0xBF469F5E, 0x085B5E5A,
0xD17D1D57, 0x6660DC53, 0x63309B4D, 0xD42D5A49, 0x0D0B1944, 0xBA16D840,
0x97C6A5AC, 0x20DB64A8, 0xF9FD27A5, 0x4EE0E6A1, 0x4BB0A1BF, 0xFCAD60BB,
0x258B23B6, 0x9296E2B2, 0x2F2BAD8A, 0x98366C8E, 0x41102F83, 0xF60DEE87,
0xF35DA999, 0x4440689D, 0x9D662B90, 0x2A7BEA94, 0xE71DB4E0, 0x500075E4,
0x892636E9, 0x3E3BF7ED, 0x3B6BB0F3, 0x8C7671F7, 0x555032FA, 0xE24DF3FE,
0x5FF0BCC6, 0xE8ED7DC2, 0x31CB3ECF, 0x86D6FFCB, 0x8386B8D5, 0x349B79D1,
0xEDBD3ADC, 0x5AA0FBD8, 0xEEE00C69, 0x59FDCD6D, 0x80DB8E60, 0x37C64F64,
0x3296087A, 0x858BC97E, 0x5CAD8A73, 0xEBB04B77, 0x560D044F, 0xE110C54B,
0x38368646, 0x8F2B4742, 0x8A7B005C, 0x3D66C158, 0xE4408255, 0x535D4351,
0x9E3B1D25, 0x2926DC21, 0xF0009F2C, 0x471D5E28, 0x424D1936, 0xF550D832,
0x2C769B3F, 0x9B6B5A3B, 0x26D61503, 0x91CBD407, 0x48ED970A, 0xFFF0560E,
0xFAA01110, 0x4DBDD014, 0x949B9319, 0x2386521D, 0x0E562FF1, 0xB94BEEF5,
0x606DADF8, 0xD7706CFC, 0xD2202BE2, 0x653DEAE6, 0xBC1BA9EB, 0x0B0668EF,
0xB6BB27D7, 0x01A6E6D3, 0xD880A5DE, 0x6F9D64DA, 0x6ACD23C4, 0xDDD0E2C0,
0x04F6A1CD, 0xB3EB60C9, 0x7E8D3EBD, 0xC990FFB9, 0x10B6BCB4, 0xA7AB7DB0,
0xA2FB3AAE, 0x15E6FBAA, 0xCCC0B8A7, 0x7BDD79A3, 0xC660369B, 0x717DF79F,
0xA85BB492, 0x1F467596, 0x1A163288, 0xAD0BF38C, 0x742DB081, 0xC3307185,
0x99908A5D, 0x2E8D4B59, 0xF7AB0854, 0x40B6C950, 0x45E68E4E, 0xF2FB4F4A,
0x2BDD0C47, 0x9CC0CD43, 0x217D827B, 0x9660437F, 0x4F460072, 0xF85BC176,
0xFD0B8668, 0x4A16476C, 0x93300461, 0x242DC565, 0xE94B9B11, 0x5E565A15,
0x87701918, 0x306DD81C, 0x353D9F02, 0x82205E06, 0x5B061D0B, 0xEC1BDC0F,
0x51A69337, 0xE6BB5233, 0x3F9D113E, 0x8880D03A, 0x8DD09724, 0x3ACD5620,
0xE3EB152D, 0x54F6D429, 0x7926A9C5, 0xCE3B68C1, 0x171D2BCC, 0xA000EAC8,
0xA550ADD6, 0x124D6CD2, 0xCB6B2FDF, 0x7C76EEDB, 0xC1CBA1E3, 0x76D660E7,
0xAFF023EA, 0x18EDE2EE, 0x1DBDA5F0, 0xAAA064F4, 0x738627F9, 0xC49BE6FD,
0x09FDB889, 0xBEE0798D, 0x67C63A80, 0xD0DBFB84, 0xD58BBC9A, 0x62967D9E,
0xBBB03E93, 0x0CADFF97, 0xB110B0AF, 0x060D71AB, 0xDF2B32A6, 0x6836F3A2,
0x6D66B4BC, 0xDA7B75B8, 0x035D36B5, 0xB440F7B1,
}
func CalcCrc32(crc uint32, buffer []byte) uint32 {
var i int = 0
for i = 0; i < len(buffer); i++ {
crc = crc32table[(crc^uint32(buffer[i]))&0xff] ^ (crc >> 8)
}
return crc
var i int = 0
for i = 0; i < len(buffer); i++ {
crc = crc32table[(crc^uint32(buffer[i]))&0xff] ^ (crc >> 8)
}
return crc
}
func CovertRbspToSodb(rbsp []byte) []byte {
bs := NewBitStream(rbsp)
bsw := NewBitStreamWriter(len(rbsp))
for !bs.EOS() {
if bs.RemainBytes() > 3 && bs.NextBits(24) == 0x000003 {
bsw.PutByte(bs.Uint8(8))
bsw.PutByte(bs.Uint8(8))
bs.SkipBits(8)
} else {
bsw.PutByte(bs.Uint8(8))
}
}
return bsw.Bits()
bs := NewBitStream(rbsp)
bsw := NewBitStreamWriter(len(rbsp))
for !bs.EOS() {
if bs.RemainBytes() > 3 && bs.NextBits(24) == 0x000003 {
bsw.PutByte(bs.Uint8(8))
bsw.PutByte(bs.Uint8(8))
bs.SkipBits(8)
} else {
bsw.PutByte(bs.Uint8(8))
}
}
return bsw.Bits()
}

94
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/codec/vp8.go generated vendored
View file

@ -3,70 +3,70 @@ package codec
import "errors"
type VP8FrameTag struct {
FrameType uint32 //0: I frame , 1: P frame
Version uint32
Display uint32
FirstPartSize uint32
FrameType uint32 //0: I frame , 1: P frame
Version uint32
Display uint32
FirstPartSize uint32
}
type VP8KeyFrameHead struct {
Width int
Height int
HorizScale int
VertScale int
Width int
Height int
HorizScale int
VertScale int
}
func DecodeFrameTag(frame []byte) (*VP8FrameTag, error) {
if len(frame) < 3 {
return nil, errors.New("frame bytes < 3")
}
var tmp uint32 = (uint32(frame[2]) << 16) | (uint32(frame[1]) << 8) | uint32(frame[0])
tag := &VP8FrameTag{}
tag.FrameType = tmp & 0x01
tag.Version = (tmp >> 1) & 0x07
tag.Display = (tmp >> 4) & 0x01
tag.FirstPartSize = (tmp >> 5) & 0x7FFFF
return tag, nil
if len(frame) < 3 {
return nil, errors.New("frame bytes < 3")
}
var tmp uint32 = (uint32(frame[2]) << 16) | (uint32(frame[1]) << 8) | uint32(frame[0])
tag := &VP8FrameTag{}
tag.FrameType = tmp & 0x01
tag.Version = (tmp >> 1) & 0x07
tag.Display = (tmp >> 4) & 0x01
tag.FirstPartSize = (tmp >> 5) & 0x7FFFF
return tag, nil
}
func DecodeKeyFrameHead(frame []byte) (*VP8KeyFrameHead, error) {
if len(frame) < 7 {
return nil, errors.New("frame bytes < 3")
}
if len(frame) < 7 {
return nil, errors.New("frame bytes < 3")
}
if frame[0] != 0x9d || frame[1] != 0x01 || frame[2] != 0x2a {
return nil, errors.New("not find Start code")
}
if frame[0] != 0x9d || frame[1] != 0x01 || frame[2] != 0x2a {
return nil, errors.New("not find Start code")
}
head := &VP8KeyFrameHead{}
head.Width = int(uint16(frame[4]&0x3f)<<8 | uint16(frame[3]))
head.HorizScale = int(frame[4] >> 6)
head.Height = int(uint16(frame[6]&0x3f)<<8 | uint16(frame[5]))
head.VertScale = int(frame[6] >> 6)
return head, nil
head := &VP8KeyFrameHead{}
head.Width = int(uint16(frame[4]&0x3f)<<8 | uint16(frame[3]))
head.HorizScale = int(frame[4] >> 6)
head.Height = int(uint16(frame[6]&0x3f)<<8 | uint16(frame[5]))
head.VertScale = int(frame[6] >> 6)
return head, nil
}
func IsKeyFrame(frame []byte) bool {
tag, err := DecodeFrameTag(frame)
if err != nil {
return false
}
tag, err := DecodeFrameTag(frame)
if err != nil {
return false
}
if tag.FrameType == 0 {
return true
} else {
return false
}
if tag.FrameType == 0 {
return true
} else {
return false
}
}
func GetResloution(frame []byte) (width int, height int, err error) {
if !IsKeyFrame(frame) {
return 0, 0, errors.New("the frame is not Key frame")
}
if !IsKeyFrame(frame) {
return 0, 0, errors.New("the frame is not Key frame")
}
head, err := DecodeKeyFrameHead(frame[3:])
if err != nil {
return 0, 0, err
}
return head.Width, head.Height, nil
head, err := DecodeKeyFrameHead(frame[3:])
if err != nil {
return 0, 0, err
}
return head.Width, head.Height, nil
}

596
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/mpeg2/pes-proto.go generated vendored
View file

@ -1,10 +1,10 @@
package mpeg2
import (
"fmt"
"os"
"fmt"
"os"
"github.com/yapingcat/gomedia/codec"
"github.com/yapingcat/gomedia/codec"
)
var H264_AUD_NALU []byte = []byte{0x00, 0x00, 0x00, 0x01, 0x09, 0xF0} //ffmpeg mpegtsenc.c mpegts_write_packet_internal
@ -13,337 +13,337 @@ var H265_AUD_NALU []byte = []byte{0x00, 0x00, 0x00, 0x01, 0x46, 0x01, 0x50}
type PES_STREMA_ID int
const (
PES_STREAM_END PES_STREMA_ID = 0xB9
PES_STREAM_START PES_STREMA_ID = 0xBA
PES_STREAM_SYSTEM_HEAD PES_STREMA_ID = 0xBB
PES_STREAM_MAP PES_STREMA_ID = 0xBC
PES_STREAM_PRIVATE PES_STREMA_ID = 0xBD
PES_STREAM_AUDIO PES_STREMA_ID = 0xC0
PES_STREAM_VIDEO PES_STREMA_ID = 0xE0
PES_STREAM_END PES_STREMA_ID = 0xB9
PES_STREAM_START PES_STREMA_ID = 0xBA
PES_STREAM_SYSTEM_HEAD PES_STREMA_ID = 0xBB
PES_STREAM_MAP PES_STREMA_ID = 0xBC
PES_STREAM_PRIVATE PES_STREMA_ID = 0xBD
PES_STREAM_AUDIO PES_STREMA_ID = 0xC0
PES_STREAM_VIDEO PES_STREMA_ID = 0xE0
)
func findPESIDByStreamType(cid TS_STREAM_TYPE) PES_STREMA_ID {
if cid == TS_STREAM_AAC {
return PES_STREAM_AUDIO
} else if cid == TS_STREAM_H264 || cid == TS_STREAM_H265 {
return PES_STREAM_VIDEO
} else {
return PES_STREAM_PRIVATE
}
if cid == TS_STREAM_AAC {
return PES_STREAM_AUDIO
} else if cid == TS_STREAM_H264 || cid == TS_STREAM_H265 {
return PES_STREAM_VIDEO
} else {
return PES_STREAM_PRIVATE
}
}
type PesPacket struct {
Stream_id uint8
PES_packet_length uint16
PES_scrambling_control uint8
PES_priority uint8
Data_alignment_indicator uint8
Copyright uint8
Original_or_copy uint8
PTS_DTS_flags uint8
ESCR_flag uint8
ES_rate_flag uint8
DSM_trick_mode_flag uint8
Additional_copy_info_flag uint8
PES_CRC_flag uint8
PES_extension_flag uint8
PES_header_data_length uint8
Pts uint64
Dts uint64
ESCR_base uint64
ESCR_extension uint16
ES_rate uint32
Trick_mode_control uint8
Trick_value uint8
Additional_copy_info uint8
Previous_PES_packet_CRC uint16
Pes_payload []byte
//TODO
//if ( PES_extension_flag == '1')
// PES_private_data_flag uint8
// pack_header_field_flag uint8
// program_packet_sequence_counter_flag uint8
// P_STD_buffer_flag uint8
// PES_extension_flag_2 uint8
// PES_private_data [16]byte
Stream_id uint8
PES_packet_length uint16
PES_scrambling_control uint8
PES_priority uint8
Data_alignment_indicator uint8
Copyright uint8
Original_or_copy uint8
PTS_DTS_flags uint8
ESCR_flag uint8
ES_rate_flag uint8
DSM_trick_mode_flag uint8
Additional_copy_info_flag uint8
PES_CRC_flag uint8
PES_extension_flag uint8
PES_header_data_length uint8
Pts uint64
Dts uint64
ESCR_base uint64
ESCR_extension uint16
ES_rate uint32
Trick_mode_control uint8
Trick_value uint8
Additional_copy_info uint8
Previous_PES_packet_CRC uint16
Pes_payload []byte
//TODO
//if ( PES_extension_flag == '1')
// PES_private_data_flag uint8
// pack_header_field_flag uint8
// program_packet_sequence_counter_flag uint8
// P_STD_buffer_flag uint8
// PES_extension_flag_2 uint8
// PES_private_data [16]byte
}
func NewPesPacket() *PesPacket {
return new(PesPacket)
return new(PesPacket)
}
func (pkg *PesPacket) PrettyPrint(file *os.File) {
file.WriteString(fmt.Sprintf("stream_id:%d\n", pkg.Stream_id))
file.WriteString(fmt.Sprintf("PES_packet_length:%d\n", pkg.PES_packet_length))
file.WriteString(fmt.Sprintf("PES_scrambling_control:%d\n", pkg.PES_scrambling_control))
file.WriteString(fmt.Sprintf("PES_priority:%d\n", pkg.PES_priority))
file.WriteString(fmt.Sprintf("data_alignment_indicator:%d\n", pkg.Data_alignment_indicator))
file.WriteString(fmt.Sprintf("copyright:%d\n", pkg.Copyright))
file.WriteString(fmt.Sprintf("original_or_copy:%d\n", pkg.Original_or_copy))
file.WriteString(fmt.Sprintf("PTS_DTS_flags:%d\n", pkg.PTS_DTS_flags))
file.WriteString(fmt.Sprintf("ESCR_flag:%d\n", pkg.ESCR_flag))
file.WriteString(fmt.Sprintf("ES_rate_flag:%d\n", pkg.ES_rate_flag))
file.WriteString(fmt.Sprintf("DSM_trick_mode_flag:%d\n", pkg.DSM_trick_mode_flag))
file.WriteString(fmt.Sprintf("additional_copy_info_flag:%d\n", pkg.Additional_copy_info_flag))
file.WriteString(fmt.Sprintf("PES_CRC_flag:%d\n", pkg.PES_CRC_flag))
file.WriteString(fmt.Sprintf("PES_extension_flag:%d\n", pkg.PES_extension_flag))
file.WriteString(fmt.Sprintf("PES_header_data_length:%d\n", pkg.PES_header_data_length))
if pkg.PTS_DTS_flags&0x02 == 0x02 {
file.WriteString(fmt.Sprintf("PTS:%d\n", pkg.Pts))
}
if pkg.PTS_DTS_flags&0x03 == 0x03 {
file.WriteString(fmt.Sprintf("DTS:%d\n", pkg.Dts))
}
file.WriteString(fmt.Sprintf("stream_id:%d\n", pkg.Stream_id))
file.WriteString(fmt.Sprintf("PES_packet_length:%d\n", pkg.PES_packet_length))
file.WriteString(fmt.Sprintf("PES_scrambling_control:%d\n", pkg.PES_scrambling_control))
file.WriteString(fmt.Sprintf("PES_priority:%d\n", pkg.PES_priority))
file.WriteString(fmt.Sprintf("data_alignment_indicator:%d\n", pkg.Data_alignment_indicator))
file.WriteString(fmt.Sprintf("copyright:%d\n", pkg.Copyright))
file.WriteString(fmt.Sprintf("original_or_copy:%d\n", pkg.Original_or_copy))
file.WriteString(fmt.Sprintf("PTS_DTS_flags:%d\n", pkg.PTS_DTS_flags))
file.WriteString(fmt.Sprintf("ESCR_flag:%d\n", pkg.ESCR_flag))
file.WriteString(fmt.Sprintf("ES_rate_flag:%d\n", pkg.ES_rate_flag))
file.WriteString(fmt.Sprintf("DSM_trick_mode_flag:%d\n", pkg.DSM_trick_mode_flag))
file.WriteString(fmt.Sprintf("additional_copy_info_flag:%d\n", pkg.Additional_copy_info_flag))
file.WriteString(fmt.Sprintf("PES_CRC_flag:%d\n", pkg.PES_CRC_flag))
file.WriteString(fmt.Sprintf("PES_extension_flag:%d\n", pkg.PES_extension_flag))
file.WriteString(fmt.Sprintf("PES_header_data_length:%d\n", pkg.PES_header_data_length))
if pkg.PTS_DTS_flags&0x02 == 0x02 {
file.WriteString(fmt.Sprintf("PTS:%d\n", pkg.Pts))
}
if pkg.PTS_DTS_flags&0x03 == 0x03 {
file.WriteString(fmt.Sprintf("DTS:%d\n", pkg.Dts))
}
if pkg.ESCR_flag == 1 {
file.WriteString(fmt.Sprintf("ESCR_base:%d\n", pkg.ESCR_base))
file.WriteString(fmt.Sprintf("ESCR_extension:%d\n", pkg.ESCR_extension))
}
if pkg.ESCR_flag == 1 {
file.WriteString(fmt.Sprintf("ESCR_base:%d\n", pkg.ESCR_base))
file.WriteString(fmt.Sprintf("ESCR_extension:%d\n", pkg.ESCR_extension))
}
if pkg.ES_rate_flag == 1 {
file.WriteString(fmt.Sprintf("ES_rate:%d\n", pkg.ES_rate))
}
if pkg.ES_rate_flag == 1 {
file.WriteString(fmt.Sprintf("ES_rate:%d\n", pkg.ES_rate))
}
if pkg.DSM_trick_mode_flag == 1 {
file.WriteString(fmt.Sprintf("trick_mode_control:%d\n", pkg.Trick_mode_control))
}
if pkg.DSM_trick_mode_flag == 1 {
file.WriteString(fmt.Sprintf("trick_mode_control:%d\n", pkg.Trick_mode_control))
}
if pkg.Additional_copy_info_flag == 1 {
file.WriteString(fmt.Sprintf("additional_copy_info:%d\n", pkg.Additional_copy_info))
}
if pkg.Additional_copy_info_flag == 1 {
file.WriteString(fmt.Sprintf("additional_copy_info:%d\n", pkg.Additional_copy_info))
}
if pkg.PES_CRC_flag == 1 {
file.WriteString(fmt.Sprintf("previous_PES_packet_CRC:%d\n", pkg.Previous_PES_packet_CRC))
}
file.WriteString("PES_packet_data_byte:\n")
file.WriteString(fmt.Sprintf(" Size: %d\n", len(pkg.Pes_payload)))
file.WriteString(" data:")
for i := 0; i < 12 && i < len(pkg.Pes_payload); i++ {
if i%4 == 0 {
file.WriteString("\n")
file.WriteString(" ")
}
file.WriteString(fmt.Sprintf("0x%02x ", pkg.Pes_payload[i]))
}
file.WriteString("\n")
if pkg.PES_CRC_flag == 1 {
file.WriteString(fmt.Sprintf("previous_PES_packet_CRC:%d\n", pkg.Previous_PES_packet_CRC))
}
file.WriteString("PES_packet_data_byte:\n")
file.WriteString(fmt.Sprintf(" Size: %d\n", len(pkg.Pes_payload)))
file.WriteString(" data:")
for i := 0; i < 12 && i < len(pkg.Pes_payload); i++ {
if i%4 == 0 {
file.WriteString("\n")
file.WriteString(" ")
}
file.WriteString(fmt.Sprintf("0x%02x ", pkg.Pes_payload[i]))
}
file.WriteString("\n")
}
func (pkg *PesPacket) Decode(bs *codec.BitStream) error {
if bs.RemainBytes() < 9 {
return errNeedMore
}
bs.SkipBits(24) //packet_start_code_prefix
pkg.Stream_id = bs.Uint8(8) //stream_id
pkg.PES_packet_length = bs.Uint16(16)
bs.SkipBits(2) //'10'
pkg.PES_scrambling_control = bs.Uint8(2)
pkg.PES_priority = bs.Uint8(1)
pkg.Data_alignment_indicator = bs.Uint8(1)
pkg.Copyright = bs.Uint8(1)
pkg.Original_or_copy = bs.Uint8(1)
pkg.PTS_DTS_flags = bs.Uint8(2)
pkg.ESCR_flag = bs.Uint8(1)
pkg.ES_rate_flag = bs.Uint8(1)
pkg.DSM_trick_mode_flag = bs.Uint8(1)
pkg.Additional_copy_info_flag = bs.Uint8(1)
pkg.PES_CRC_flag = bs.Uint8(1)
pkg.PES_extension_flag = bs.Uint8(1)
pkg.PES_header_data_length = bs.Uint8(8)
if bs.RemainBytes() < int(pkg.PES_header_data_length) {
bs.UnRead(9 * 8)
return errNeedMore
}
bs.Markdot()
if pkg.PTS_DTS_flags&0x02 == 0x02 {
bs.SkipBits(4)
pkg.Pts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Pts = (pkg.Pts << 15) | bs.GetBits(15)
bs.SkipBits(1)
pkg.Pts = (pkg.Pts << 15) | bs.GetBits(15)
bs.SkipBits(1)
}
if pkg.PTS_DTS_flags&0x03 == 0x03 {
bs.SkipBits(4)
pkg.Dts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Dts = (pkg.Dts << 15) | bs.GetBits(15)
bs.SkipBits(1)
pkg.Dts = (pkg.Dts << 15) | bs.GetBits(15)
bs.SkipBits(1)
} else {
pkg.Dts = pkg.Pts
}
if bs.RemainBytes() < 9 {
return errNeedMore
}
bs.SkipBits(24) //packet_start_code_prefix
pkg.Stream_id = bs.Uint8(8) //stream_id
pkg.PES_packet_length = bs.Uint16(16)
bs.SkipBits(2) //'10'
pkg.PES_scrambling_control = bs.Uint8(2)
pkg.PES_priority = bs.Uint8(1)
pkg.Data_alignment_indicator = bs.Uint8(1)
pkg.Copyright = bs.Uint8(1)
pkg.Original_or_copy = bs.Uint8(1)
pkg.PTS_DTS_flags = bs.Uint8(2)
pkg.ESCR_flag = bs.Uint8(1)
pkg.ES_rate_flag = bs.Uint8(1)
pkg.DSM_trick_mode_flag = bs.Uint8(1)
pkg.Additional_copy_info_flag = bs.Uint8(1)
pkg.PES_CRC_flag = bs.Uint8(1)
pkg.PES_extension_flag = bs.Uint8(1)
pkg.PES_header_data_length = bs.Uint8(8)
if bs.RemainBytes() < int(pkg.PES_header_data_length) {
bs.UnRead(9 * 8)
return errNeedMore
}
bs.Markdot()
if pkg.PTS_DTS_flags&0x02 == 0x02 {
bs.SkipBits(4)
pkg.Pts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Pts = (pkg.Pts << 15) | bs.GetBits(15)
bs.SkipBits(1)
pkg.Pts = (pkg.Pts << 15) | bs.GetBits(15)
bs.SkipBits(1)
}
if pkg.PTS_DTS_flags&0x03 == 0x03 {
bs.SkipBits(4)
pkg.Dts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Dts = (pkg.Dts << 15) | bs.GetBits(15)
bs.SkipBits(1)
pkg.Dts = (pkg.Dts << 15) | bs.GetBits(15)
bs.SkipBits(1)
} else {
pkg.Dts = pkg.Pts
}
if pkg.ESCR_flag == 1 {
bs.SkipBits(2)
pkg.ESCR_base = bs.GetBits(3)
bs.SkipBits(1)
pkg.ESCR_base = (pkg.Pts << 15) | bs.GetBits(15)
bs.SkipBits(1)
pkg.ESCR_base = (pkg.Pts << 15) | bs.GetBits(15)
bs.SkipBits(1)
pkg.ESCR_extension = bs.Uint16(9)
bs.SkipBits(1)
}
if pkg.ESCR_flag == 1 {
bs.SkipBits(2)
pkg.ESCR_base = bs.GetBits(3)
bs.SkipBits(1)
pkg.ESCR_base = (pkg.Pts << 15) | bs.GetBits(15)
bs.SkipBits(1)
pkg.ESCR_base = (pkg.Pts << 15) | bs.GetBits(15)
bs.SkipBits(1)
pkg.ESCR_extension = bs.Uint16(9)
bs.SkipBits(1)
}
if pkg.ES_rate_flag == 1 {
bs.SkipBits(1)
pkg.ES_rate = bs.Uint32(22)
bs.SkipBits(1)
}
if pkg.ES_rate_flag == 1 {
bs.SkipBits(1)
pkg.ES_rate = bs.Uint32(22)
bs.SkipBits(1)
}
if pkg.DSM_trick_mode_flag == 1 {
pkg.Trick_mode_control = bs.Uint8(3)
pkg.Trick_value = bs.Uint8(5)
}
if pkg.DSM_trick_mode_flag == 1 {
pkg.Trick_mode_control = bs.Uint8(3)
pkg.Trick_value = bs.Uint8(5)
}
if pkg.Additional_copy_info_flag == 1 {
pkg.Additional_copy_info = bs.Uint8(7)
}
if pkg.Additional_copy_info_flag == 1 {
pkg.Additional_copy_info = bs.Uint8(7)
}
if pkg.PES_CRC_flag == 1 {
pkg.Previous_PES_packet_CRC = bs.Uint16(16)
}
if pkg.PES_CRC_flag == 1 {
pkg.Previous_PES_packet_CRC = bs.Uint16(16)
}
loc := bs.DistanceFromMarkDot()
bs.SkipBits(int(pkg.PES_header_data_length)*8 - loc) // skip remaining header
loc := bs.DistanceFromMarkDot()
bs.SkipBits(int(pkg.PES_header_data_length)*8 - loc) // skip remaining header
// the -3 bytes are the combined lengths
// of all fields between PES_packet_length and PES_header_data_length (2 bytes)
// and the PES_header_data_length itself (1 byte)
dataLen := int(pkg.PES_packet_length - 3 - uint16(pkg.PES_header_data_length))
// the -3 bytes are the combined lengths
// of all fields between PES_packet_length and PES_header_data_length (2 bytes)
// and the PES_header_data_length itself (1 byte)
dataLen := int(pkg.PES_packet_length - 3 - uint16(pkg.PES_header_data_length))
if bs.RemainBytes() < dataLen {
pkg.Pes_payload = bs.RemainData()
bs.UnRead((9 + int(pkg.PES_header_data_length)) * 8)
return errNeedMore
}
if bs.RemainBytes() < dataLen {
pkg.Pes_payload = bs.RemainData()
bs.UnRead((9 + int(pkg.PES_header_data_length)) * 8)
return errNeedMore
}
if pkg.PES_packet_length == 0 || bs.RemainBytes() <= dataLen {
pkg.Pes_payload = bs.RemainData()
bs.SkipBits(bs.RemainBits())
} else {
pkg.Pes_payload = bs.RemainData()[:dataLen]
bs.SkipBits(dataLen * 8)
}
if pkg.PES_packet_length == 0 || bs.RemainBytes() <= dataLen {
pkg.Pes_payload = bs.RemainData()
bs.SkipBits(bs.RemainBits())
} else {
pkg.Pes_payload = bs.RemainData()[:dataLen]
bs.SkipBits(dataLen * 8)
}
return nil
return nil
}
func (pkg *PesPacket) DecodeMpeg1(bs *codec.BitStream) error {
if bs.RemainBytes() < 6 {
return errNeedMore
}
bs.SkipBits(24) //packet_start_code_prefix
pkg.Stream_id = bs.Uint8(8) //stream_id
pkg.PES_packet_length = bs.Uint16(16)
if pkg.PES_packet_length != 0 && bs.RemainBytes() < int(pkg.PES_packet_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
bs.Markdot()
for bs.NextBits(8) == 0xFF {
bs.SkipBits(8)
}
if bs.NextBits(2) == 0x01 {
bs.SkipBits(16)
}
if bs.NextBits(4) == 0x02 {
bs.SkipBits(4)
pkg.Pts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Pts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
pkg.Pts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
} else if bs.NextBits(4) == 0x03 {
bs.SkipBits(4)
pkg.Pts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Pts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
pkg.Pts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
pkg.Dts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Dts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
pkg.Dts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
} else if bs.NextBits(8) == 0x0F {
bs.SkipBits(8)
} else {
return errParser
}
loc := bs.DistanceFromMarkDot() / 8
if pkg.PES_packet_length < uint16(loc) {
return errParser
}
if pkg.PES_packet_length == 0 ||
bs.RemainBits() <= int(pkg.PES_packet_length-uint16(loc))*8 {
pkg.Pes_payload = bs.RemainData()
bs.SkipBits(bs.RemainBits())
} else {
pkg.Pes_payload = bs.RemainData()[:pkg.PES_packet_length-uint16(loc)]
bs.SkipBits(int(pkg.PES_packet_length-uint16(loc)) * 8)
}
return nil
if bs.RemainBytes() < 6 {
return errNeedMore
}
bs.SkipBits(24) //packet_start_code_prefix
pkg.Stream_id = bs.Uint8(8) //stream_id
pkg.PES_packet_length = bs.Uint16(16)
if pkg.PES_packet_length != 0 && bs.RemainBytes() < int(pkg.PES_packet_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
bs.Markdot()
for bs.NextBits(8) == 0xFF {
bs.SkipBits(8)
}
if bs.NextBits(2) == 0x01 {
bs.SkipBits(16)
}
if bs.NextBits(4) == 0x02 {
bs.SkipBits(4)
pkg.Pts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Pts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
pkg.Pts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
} else if bs.NextBits(4) == 0x03 {
bs.SkipBits(4)
pkg.Pts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Pts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
pkg.Pts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
pkg.Dts = bs.GetBits(3)
bs.SkipBits(1)
pkg.Dts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
pkg.Dts = pkg.Pts<<15 | bs.GetBits(15)
bs.SkipBits(1)
} else if bs.NextBits(8) == 0x0F {
bs.SkipBits(8)
} else {
return errParser
}
loc := bs.DistanceFromMarkDot() / 8
if pkg.PES_packet_length < uint16(loc) {
return errParser
}
if pkg.PES_packet_length == 0 ||
bs.RemainBits() <= int(pkg.PES_packet_length-uint16(loc))*8 {
pkg.Pes_payload = bs.RemainData()
bs.SkipBits(bs.RemainBits())
} else {
pkg.Pes_payload = bs.RemainData()[:pkg.PES_packet_length-uint16(loc)]
bs.SkipBits(int(pkg.PES_packet_length-uint16(loc)) * 8)
}
return nil
}
func (pkg *PesPacket) Encode(bsw *codec.BitStreamWriter) {
bsw.PutBytes([]byte{0x00, 0x00, 0x01})
bsw.PutByte(pkg.Stream_id)
bsw.PutUint16(pkg.PES_packet_length, 16)
bsw.PutUint8(0x02, 2)
bsw.PutUint8(pkg.PES_scrambling_control, 2)
bsw.PutUint8(pkg.PES_priority, 1)
bsw.PutUint8(pkg.Data_alignment_indicator, 1)
bsw.PutUint8(pkg.Copyright, 1)
bsw.PutUint8(pkg.Original_or_copy, 1)
bsw.PutUint8(pkg.PTS_DTS_flags, 2)
bsw.PutUint8(pkg.ESCR_flag, 1)
bsw.PutUint8(pkg.ES_rate_flag, 1)
bsw.PutUint8(pkg.DSM_trick_mode_flag, 1)
bsw.PutUint8(pkg.Additional_copy_info_flag, 1)
bsw.PutUint8(pkg.PES_CRC_flag, 1)
bsw.PutUint8(pkg.PES_extension_flag, 1)
bsw.PutByte(pkg.PES_header_data_length)
if pkg.PTS_DTS_flags == 0x02 {
bsw.PutUint8(0x02, 4)
bsw.PutUint64(pkg.Pts>>30, 3)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Pts>>15, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Pts, 15)
bsw.PutUint8(0x01, 1)
}
bsw.PutBytes([]byte{0x00, 0x00, 0x01})
bsw.PutByte(pkg.Stream_id)
bsw.PutUint16(pkg.PES_packet_length, 16)
bsw.PutUint8(0x02, 2)
bsw.PutUint8(pkg.PES_scrambling_control, 2)
bsw.PutUint8(pkg.PES_priority, 1)
bsw.PutUint8(pkg.Data_alignment_indicator, 1)
bsw.PutUint8(pkg.Copyright, 1)
bsw.PutUint8(pkg.Original_or_copy, 1)
bsw.PutUint8(pkg.PTS_DTS_flags, 2)
bsw.PutUint8(pkg.ESCR_flag, 1)
bsw.PutUint8(pkg.ES_rate_flag, 1)
bsw.PutUint8(pkg.DSM_trick_mode_flag, 1)
bsw.PutUint8(pkg.Additional_copy_info_flag, 1)
bsw.PutUint8(pkg.PES_CRC_flag, 1)
bsw.PutUint8(pkg.PES_extension_flag, 1)
bsw.PutByte(pkg.PES_header_data_length)
if pkg.PTS_DTS_flags == 0x02 {
bsw.PutUint8(0x02, 4)
bsw.PutUint64(pkg.Pts>>30, 3)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Pts>>15, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Pts, 15)
bsw.PutUint8(0x01, 1)
}
if pkg.PTS_DTS_flags == 0x03 {
bsw.PutUint8(0x03, 4)
bsw.PutUint64(pkg.Pts>>30, 3)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Pts>>15, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Pts, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint8(0x01, 4)
bsw.PutUint64(pkg.Dts>>30, 3)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Dts>>15, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Dts, 15)
bsw.PutUint8(0x01, 1)
}
if pkg.PTS_DTS_flags == 0x03 {
bsw.PutUint8(0x03, 4)
bsw.PutUint64(pkg.Pts>>30, 3)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Pts>>15, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Pts, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint8(0x01, 4)
bsw.PutUint64(pkg.Dts>>30, 3)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Dts>>15, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.Dts, 15)
bsw.PutUint8(0x01, 1)
}
if pkg.ESCR_flag == 1 {
bsw.PutUint8(0x03, 2)
bsw.PutUint64(pkg.ESCR_base>>30, 3)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.ESCR_base>>15, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.ESCR_base, 15)
bsw.PutUint8(0x01, 1)
}
bsw.PutBytes(pkg.Pes_payload)
if pkg.ESCR_flag == 1 {
bsw.PutUint8(0x03, 2)
bsw.PutUint64(pkg.ESCR_base>>30, 3)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.ESCR_base>>15, 15)
bsw.PutUint8(0x01, 1)
bsw.PutUint64(pkg.ESCR_base, 15)
bsw.PutUint8(0x01, 1)
}
bsw.PutBytes(pkg.Pes_payload)
}

482
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/mpeg2/ps-demuxer.go generated vendored
View file

@ -1,280 +1,280 @@
package mpeg2
import (
"github.com/yapingcat/gomedia/codec"
"github.com/yapingcat/gomedia/codec"
)
type psstream struct {
sid uint8
cid PS_STREAM_TYPE
pts uint64
dts uint64
streamBuf []byte
sid uint8
cid PS_STREAM_TYPE
pts uint64
dts uint64
streamBuf []byte
}
func newpsstream(sid uint8, cid PS_STREAM_TYPE) *psstream {
return &psstream{
sid: sid,
cid: cid,
streamBuf: make([]byte, 0, 4096),
}
return &psstream{
sid: sid,
cid: cid,
streamBuf: make([]byte, 0, 4096),
}
}
type PSDemuxer struct {
streamMap map[uint8]*psstream
pkg *PSPacket
mpeg1 bool
cache []byte
OnFrame func(frame []byte, cid PS_STREAM_TYPE, pts uint64, dts uint64)
//解ps包过程中，解码回调psm，system header，pes包等
//decodeResult 解码ps包时的产生的错误
//这个回调主要用于debug，查看是否ps包存在问题
OnPacket func(pkg Display, decodeResult error)
streamMap map[uint8]*psstream
pkg *PSPacket
mpeg1 bool
cache []byte
OnFrame func(frame []byte, cid PS_STREAM_TYPE, pts uint64, dts uint64)
//解ps包过程中，解码回调psm，system header，pes包等
//decodeResult 解码ps包时的产生的错误
//这个回调主要用于debug，查看是否ps包存在问题
OnPacket func(pkg Display, decodeResult error)
}
func NewPSDemuxer() *PSDemuxer {
return &PSDemuxer{
streamMap: make(map[uint8]*psstream),
pkg: new(PSPacket),
cache: make([]byte, 0, 256),
OnFrame: nil,
OnPacket: nil,
}
return &PSDemuxer{
streamMap: make(map[uint8]*psstream),
pkg: new(PSPacket),
cache: make([]byte, 0, 256),
OnFrame: nil,
OnPacket: nil,
}
}
func (psdemuxer *PSDemuxer) Input(data []byte) error {
var bs *codec.BitStream
if len(psdemuxer.cache) > 0 {
psdemuxer.cache = append(psdemuxer.cache, data...)
bs = codec.NewBitStream(psdemuxer.cache)
} else {
bs = codec.NewBitStream(data)
}
var bs *codec.BitStream
if len(psdemuxer.cache) > 0 {
psdemuxer.cache = append(psdemuxer.cache, data...)
bs = codec.NewBitStream(psdemuxer.cache)
} else {
bs = codec.NewBitStream(data)
}
saveReseved := func() {
tmpcache := make([]byte, bs.RemainBytes())
copy(tmpcache, bs.RemainData())
psdemuxer.cache = tmpcache
}
saveReseved := func() {
tmpcache := make([]byte, bs.RemainBytes())
copy(tmpcache, bs.RemainData())
psdemuxer.cache = tmpcache
}
var ret error = nil
for !bs.EOS() {
if mpegerr, ok := ret.(Error); ok {
if mpegerr.NeedMore() {
saveReseved()
}
break
}
if bs.RemainBits() < 32 {
ret = errNeedMore
saveReseved()
break
}
prefix_code := bs.NextBits(32)
switch prefix_code {
case 0x000001BA: //pack header
if psdemuxer.pkg.Header == nil {
psdemuxer.pkg.Header = new(PSPackHeader)
}
ret = psdemuxer.pkg.Header.Decode(bs)
psdemuxer.mpeg1 = psdemuxer.pkg.Header.IsMpeg1
if psdemuxer.OnPacket != nil {
psdemuxer.OnPacket(psdemuxer.pkg.Header, ret)
}
case 0x000001BB: //system header
if psdemuxer.pkg.Header == nil {
panic("psdemuxer.pkg.Header must not be nil")
}
if psdemuxer.pkg.System == nil {
psdemuxer.pkg.System = new(System_header)
}
ret = psdemuxer.pkg.System.Decode(bs)
if psdemuxer.OnPacket != nil {
psdemuxer.OnPacket(psdemuxer.pkg.System, ret)
}
case 0x000001BC: //program stream map
if psdemuxer.pkg.Psm == nil {
psdemuxer.pkg.Psm = new(Program_stream_map)
}
if ret = psdemuxer.pkg.Psm.Decode(bs); ret == nil {
for _, streaminfo := range psdemuxer.pkg.Psm.Stream_map {
if _, found := psdemuxer.streamMap[streaminfo.Elementary_stream_id]; !found {
stream := newpsstream(streaminfo.Elementary_stream_id, PS_STREAM_TYPE(streaminfo.Stream_type))
psdemuxer.streamMap[stream.sid] = stream
}
}
}
if psdemuxer.OnPacket != nil {
psdemuxer.OnPacket(psdemuxer.pkg.Psm, ret)
}
case 0x000001BD, 0x000001BE, 0x000001BF, 0x000001F0, 0x000001F1,
0x000001F2, 0x000001F3, 0x000001F4, 0x000001F5, 0x000001F6,
0x000001F7, 0x000001F8, 0x000001F9, 0x000001FA, 0x000001FB:
if psdemuxer.pkg.CommPes == nil {
psdemuxer.pkg.CommPes = new(CommonPesPacket)
}
ret = psdemuxer.pkg.CommPes.Decode(bs)
case 0x000001FF: //program stream directory
if psdemuxer.pkg.Psd == nil {
psdemuxer.pkg.Psd = new(Program_stream_directory)
}
ret = psdemuxer.pkg.Psd.Decode(bs)
case 0x000001B9: //MPEG_program_end_code
continue
default:
if prefix_code&0xFFFFFFE0 == 0x000001C0 || prefix_code&0xFFFFFFE0 == 0x000001E0 {
if psdemuxer.pkg.Pes == nil {
psdemuxer.pkg.Pes = NewPesPacket()
}
if psdemuxer.mpeg1 {
ret = psdemuxer.pkg.Pes.DecodeMpeg1(bs)
} else {
ret = psdemuxer.pkg.Pes.Decode(bs)
}
if psdemuxer.OnPacket != nil {
psdemuxer.OnPacket(psdemuxer.pkg.Pes, ret)
}
if ret == nil {
if stream, found := psdemuxer.streamMap[psdemuxer.pkg.Pes.Stream_id]; found {
if psdemuxer.mpeg1 && stream.cid == PS_STREAM_UNKNOW {
psdemuxer.guessCodecid(stream)
}
psdemuxer.demuxPespacket(stream, psdemuxer.pkg.Pes)
} else {
if psdemuxer.mpeg1 {
stream := newpsstream(psdemuxer.pkg.Pes.Stream_id, PS_STREAM_UNKNOW)
psdemuxer.streamMap[stream.sid] = stream
stream.streamBuf = append(stream.streamBuf, psdemuxer.pkg.Pes.Pes_payload...)
stream.pts = psdemuxer.pkg.Pes.Pts
stream.dts = psdemuxer.pkg.Pes.Dts
}
}
}
} else {
bs.SkipBits(8)
}
}
}
var ret error = nil
for !bs.EOS() {
if mpegerr, ok := ret.(Error); ok {
if mpegerr.NeedMore() {
saveReseved()
}
break
}
if bs.RemainBits() < 32 {
ret = errNeedMore
saveReseved()
break
}
prefix_code := bs.NextBits(32)
switch prefix_code {
case 0x000001BA: //pack header
if psdemuxer.pkg.Header == nil {
psdemuxer.pkg.Header = new(PSPackHeader)
}
ret = psdemuxer.pkg.Header.Decode(bs)
psdemuxer.mpeg1 = psdemuxer.pkg.Header.IsMpeg1
if psdemuxer.OnPacket != nil {
psdemuxer.OnPacket(psdemuxer.pkg.Header, ret)
}
case 0x000001BB: //system header
if psdemuxer.pkg.Header == nil {
panic("psdemuxer.pkg.Header must not be nil")
}
if psdemuxer.pkg.System == nil {
psdemuxer.pkg.System = new(System_header)
}
ret = psdemuxer.pkg.System.Decode(bs)
if psdemuxer.OnPacket != nil {
psdemuxer.OnPacket(psdemuxer.pkg.System, ret)
}
case 0x000001BC: //program stream map
if psdemuxer.pkg.Psm == nil {
psdemuxer.pkg.Psm = new(Program_stream_map)
}
if ret = psdemuxer.pkg.Psm.Decode(bs); ret == nil {
for _, streaminfo := range psdemuxer.pkg.Psm.Stream_map {
if _, found := psdemuxer.streamMap[streaminfo.Elementary_stream_id]; !found {
stream := newpsstream(streaminfo.Elementary_stream_id, PS_STREAM_TYPE(streaminfo.Stream_type))
psdemuxer.streamMap[stream.sid] = stream
}
}
}
if psdemuxer.OnPacket != nil {
psdemuxer.OnPacket(psdemuxer.pkg.Psm, ret)
}
case 0x000001BD, 0x000001BE, 0x000001BF, 0x000001F0, 0x000001F1,
0x000001F2, 0x000001F3, 0x000001F4, 0x000001F5, 0x000001F6,
0x000001F7, 0x000001F8, 0x000001F9, 0x000001FA, 0x000001FB:
if psdemuxer.pkg.CommPes == nil {
psdemuxer.pkg.CommPes = new(CommonPesPacket)
}
ret = psdemuxer.pkg.CommPes.Decode(bs)
case 0x000001FF: //program stream directory
if psdemuxer.pkg.Psd == nil {
psdemuxer.pkg.Psd = new(Program_stream_directory)
}
ret = psdemuxer.pkg.Psd.Decode(bs)
case 0x000001B9: //MPEG_program_end_code
continue
default:
if prefix_code&0xFFFFFFE0 == 0x000001C0 || prefix_code&0xFFFFFFE0 == 0x000001E0 {
if psdemuxer.pkg.Pes == nil {
psdemuxer.pkg.Pes = NewPesPacket()
}
if psdemuxer.mpeg1 {
ret = psdemuxer.pkg.Pes.DecodeMpeg1(bs)
} else {
ret = psdemuxer.pkg.Pes.Decode(bs)
}
if psdemuxer.OnPacket != nil {
psdemuxer.OnPacket(psdemuxer.pkg.Pes, ret)
}
if ret == nil {
if stream, found := psdemuxer.streamMap[psdemuxer.pkg.Pes.Stream_id]; found {
if psdemuxer.mpeg1 && stream.cid == PS_STREAM_UNKNOW {
psdemuxer.guessCodecid(stream)
}
psdemuxer.demuxPespacket(stream, psdemuxer.pkg.Pes)
} else {
if psdemuxer.mpeg1 {
stream := newpsstream(psdemuxer.pkg.Pes.Stream_id, PS_STREAM_UNKNOW)
psdemuxer.streamMap[stream.sid] = stream
stream.streamBuf = append(stream.streamBuf, psdemuxer.pkg.Pes.Pes_payload...)
stream.pts = psdemuxer.pkg.Pes.Pts
stream.dts = psdemuxer.pkg.Pes.Dts
}
}
}
} else {
bs.SkipBits(8)
}
}
}
if ret == nil && len(psdemuxer.cache) > 0 {
psdemuxer.cache = nil
}
if ret == nil && len(psdemuxer.cache) > 0 {
psdemuxer.cache = nil
}
return ret
return ret
}
func (psdemuxer *PSDemuxer) Flush() {
for _, stream := range psdemuxer.streamMap {
if len(stream.streamBuf) == 0 {
continue
}
if psdemuxer.OnFrame != nil {
psdemuxer.OnFrame(stream.streamBuf, stream.cid, stream.pts/90, stream.dts/90)
}
}
for _, stream := range psdemuxer.streamMap {
if len(stream.streamBuf) == 0 {
continue
}
if psdemuxer.OnFrame != nil {
psdemuxer.OnFrame(stream.streamBuf, stream.cid, stream.pts/90, stream.dts/90)
}
}
}
func (psdemuxer *PSDemuxer) guessCodecid(stream *psstream) {
if stream.sid&0xE0 == uint8(PES_STREAM_AUDIO) {
stream.cid = PS_STREAM_AAC
} else if stream.sid&0xE0 == uint8(PES_STREAM_VIDEO) {
h264score := 0
h265score := 0
codec.SplitFrame(stream.streamBuf, func(nalu []byte) bool {
h264nalutype := codec.H264NaluTypeWithoutStartCode(nalu)
h265nalutype := codec.H265NaluTypeWithoutStartCode(nalu)
if h264nalutype == codec.H264_NAL_PPS ||
h264nalutype == codec.H264_NAL_SPS ||
h264nalutype == codec.H264_NAL_I_SLICE {
h264score += 2
} else if h264nalutype < 5 {
h264score += 1
} else if h264nalutype > 20 {
h264score -= 1
}
if stream.sid&0xE0 == uint8(PES_STREAM_AUDIO) {
stream.cid = PS_STREAM_AAC
} else if stream.sid&0xE0 == uint8(PES_STREAM_VIDEO) {
h264score := 0
h265score := 0
codec.SplitFrame(stream.streamBuf, func(nalu []byte) bool {
h264nalutype := codec.H264NaluTypeWithoutStartCode(nalu)
h265nalutype := codec.H265NaluTypeWithoutStartCode(nalu)
if h264nalutype == codec.H264_NAL_PPS ||
h264nalutype == codec.H264_NAL_SPS ||
h264nalutype == codec.H264_NAL_I_SLICE {
h264score += 2
} else if h264nalutype < 5 {
h264score += 1
} else if h264nalutype > 20 {
h264score -= 1
}
if h265nalutype == codec.H265_NAL_PPS ||
h265nalutype == codec.H265_NAL_SPS ||
h265nalutype == codec.H265_NAL_VPS ||
(h265nalutype >= codec.H265_NAL_SLICE_BLA_W_LP && h265nalutype <= codec.H265_NAL_SLICE_CRA) {
h265score += 2
} else if h265nalutype >= codec.H265_NAL_Slice_TRAIL_N && h265nalutype <= codec.H265_NAL_SLICE_RASL_R {
h265score += 1
} else if h265nalutype > 40 {
h265score -= 1
}
if h264score > h265score && h264score >= 4 {
stream.cid = PS_STREAM_H264
} else if h264score < h265score && h265score >= 4 {
stream.cid = PS_STREAM_H265
}
return true
})
}
if h265nalutype == codec.H265_NAL_PPS ||
h265nalutype == codec.H265_NAL_SPS ||
h265nalutype == codec.H265_NAL_VPS ||
(h265nalutype >= codec.H265_NAL_SLICE_BLA_W_LP && h265nalutype <= codec.H265_NAL_SLICE_CRA) {
h265score += 2
} else if h265nalutype >= codec.H265_NAL_Slice_TRAIL_N && h265nalutype <= codec.H265_NAL_SLICE_RASL_R {
h265score += 1
} else if h265nalutype > 40 {
h265score -= 1
}
if h264score > h265score && h264score >= 4 {
stream.cid = PS_STREAM_H264
} else if h264score < h265score && h265score >= 4 {
stream.cid = PS_STREAM_H265
}
return true
})
}
}
func (psdemuxer *PSDemuxer) demuxPespacket(stream *psstream, pes *PesPacket) error {
switch stream.cid {
case PS_STREAM_AAC, PS_STREAM_G711A, PS_STREAM_G711U:
return psdemuxer.demuxAudio(stream, pes)
case PS_STREAM_H264, PS_STREAM_H265:
return psdemuxer.demuxH26x(stream, pes)
case PS_STREAM_UNKNOW:
if stream.pts != pes.Pts {
stream.streamBuf = nil
}
stream.streamBuf = append(stream.streamBuf, pes.Pes_payload...)
stream.pts = pes.Pts
stream.dts = pes.Dts
}
return nil
switch stream.cid {
case PS_STREAM_AAC, PS_STREAM_G711A, PS_STREAM_G711U:
return psdemuxer.demuxAudio(stream, pes)
case PS_STREAM_H264, PS_STREAM_H265:
return psdemuxer.demuxH26x(stream, pes)
case PS_STREAM_UNKNOW:
if stream.pts != pes.Pts {
stream.streamBuf = nil
}
stream.streamBuf = append(stream.streamBuf, pes.Pes_payload...)
stream.pts = pes.Pts
stream.dts = pes.Dts
}
return nil
}
func (psdemuxer *PSDemuxer) demuxAudio(stream *psstream, pes *PesPacket) error {
if stream.pts != pes.Pts && len(stream.streamBuf) > 0 {
if psdemuxer.OnFrame != nil {
psdemuxer.OnFrame(stream.streamBuf, stream.cid, stream.pts/90, stream.dts/90)
}
stream.streamBuf = stream.streamBuf[:0]
}
stream.streamBuf = append(stream.streamBuf, pes.Pes_payload...)
stream.pts = pes.Pts
stream.dts = pes.Dts
return nil
if stream.pts != pes.Pts && len(stream.streamBuf) > 0 {
if psdemuxer.OnFrame != nil {
psdemuxer.OnFrame(stream.streamBuf, stream.cid, stream.pts/90, stream.dts/90)
}
stream.streamBuf = stream.streamBuf[:0]
}
stream.streamBuf = append(stream.streamBuf, pes.Pes_payload...)
stream.pts = pes.Pts
stream.dts = pes.Dts
return nil
}
func (psdemuxer *PSDemuxer) demuxH26x(stream *psstream, pes *PesPacket) error {
if len(stream.streamBuf) == 0 {
stream.pts = pes.Pts
stream.dts = pes.Dts
}
stream.streamBuf = append(stream.streamBuf, pes.Pes_payload...)
start, sc := codec.FindStartCode(stream.streamBuf, 0)
for start >= 0 {
end, sc2 := codec.FindStartCode(stream.streamBuf, start+int(sc))
if end < 0 {
break
}
if stream.cid == PS_STREAM_H264 {
naluType := codec.H264NaluType(stream.streamBuf[start:])
if naluType != codec.H264_NAL_AUD {
if psdemuxer.OnFrame != nil {
psdemuxer.OnFrame(stream.streamBuf[start:end], stream.cid, stream.pts/90, stream.dts/90)
}
}
} else if stream.cid == PS_STREAM_H265 {
naluType := codec.H265NaluType(stream.streamBuf[start:])
if naluType != codec.H265_NAL_AUD {
if psdemuxer.OnFrame != nil {
psdemuxer.OnFrame(stream.streamBuf[start:end], stream.cid, stream.pts/90, stream.dts/90)
}
}
}
start = end
sc = sc2
}
stream.streamBuf = stream.streamBuf[start:]
stream.pts = pes.Pts
stream.dts = pes.Dts
return nil
if len(stream.streamBuf) == 0 {
stream.pts = pes.Pts
stream.dts = pes.Dts
}
stream.streamBuf = append(stream.streamBuf, pes.Pes_payload...)
start, sc := codec.FindStartCode(stream.streamBuf, 0)
for start >= 0 {
end, sc2 := codec.FindStartCode(stream.streamBuf, start+int(sc))
if end < 0 {
break
}
if stream.cid == PS_STREAM_H264 {
naluType := codec.H264NaluType(stream.streamBuf[start:])
if naluType != codec.H264_NAL_AUD {
if psdemuxer.OnFrame != nil {
psdemuxer.OnFrame(stream.streamBuf[start:end], stream.cid, stream.pts/90, stream.dts/90)
}
}
} else if stream.cid == PS_STREAM_H265 {
naluType := codec.H265NaluType(stream.streamBuf[start:])
if naluType != codec.H265_NAL_AUD {
if psdemuxer.OnFrame != nil {
psdemuxer.OnFrame(stream.streamBuf[start:end], stream.cid, stream.pts/90, stream.dts/90)
}
}
}
start = end
sc = sc2
}
stream.streamBuf = stream.streamBuf[start:]
stream.pts = pes.Pts
stream.dts = pes.Dts
return nil
}

264
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/mpeg2/ps-muxer.go generated vendored
View file

@ -3,146 +3,146 @@ package mpeg2
import "github.com/yapingcat/gomedia/codec"
type PSMuxer struct {
system *System_header
psm *Program_stream_map
OnPacket func(pkg []byte)
firstframe bool
system *System_header
psm *Program_stream_map
OnPacket func(pkg []byte)
firstframe bool
}
func NewPsMuxer() *PSMuxer {
muxer := new(PSMuxer)
muxer.firstframe = true
muxer.system = new(System_header)
muxer.system.Rate_bound = 26234
muxer.psm = new(Program_stream_map)
muxer.psm.Current_next_indicator = 1
muxer.psm.Program_stream_map_version = 1
muxer.OnPacket = nil
return muxer
muxer := new(PSMuxer)
muxer.firstframe = true
muxer.system = new(System_header)
muxer.system.Rate_bound = 26234
muxer.psm = new(Program_stream_map)
muxer.psm.Current_next_indicator = 1
muxer.psm.Program_stream_map_version = 1
muxer.OnPacket = nil
return muxer
}
func (muxer *PSMuxer) AddStream(cid PS_STREAM_TYPE) uint8 {
if cid == PS_STREAM_H265 || cid == PS_STREAM_H264 {
es := NewElementary_Stream(uint8(PES_STREAM_VIDEO) + muxer.system.Video_bound)
es.P_STD_buffer_bound_scale = 1
es.P_STD_buffer_size_bound = 400
muxer.system.Streams = append(muxer.system.Streams, es)
muxer.system.Video_bound++
muxer.psm.Stream_map = append(muxer.psm.Stream_map, NewElementary_stream_elem(uint8(cid), es.Stream_id))
muxer.psm.Program_stream_map_version++
return es.Stream_id
} else {
es := NewElementary_Stream(uint8(PES_STREAM_AUDIO) + muxer.system.Audio_bound)
es.P_STD_buffer_bound_scale = 0
es.P_STD_buffer_size_bound = 32
muxer.system.Streams = append(muxer.system.Streams, es)
muxer.system.Audio_bound++
muxer.psm.Stream_map = append(muxer.psm.Stream_map, NewElementary_stream_elem(uint8(cid), es.Stream_id))
muxer.psm.Program_stream_map_version++
return es.Stream_id
}
if cid == PS_STREAM_H265 || cid == PS_STREAM_H264 {
es := NewElementary_Stream(uint8(PES_STREAM_VIDEO) + muxer.system.Video_bound)
es.P_STD_buffer_bound_scale = 1
es.P_STD_buffer_size_bound = 400
muxer.system.Streams = append(muxer.system.Streams, es)
muxer.system.Video_bound++
muxer.psm.Stream_map = append(muxer.psm.Stream_map, NewElementary_stream_elem(uint8(cid), es.Stream_id))
muxer.psm.Program_stream_map_version++
return es.Stream_id
} else {
es := NewElementary_Stream(uint8(PES_STREAM_AUDIO) + muxer.system.Audio_bound)
es.P_STD_buffer_bound_scale = 0
es.P_STD_buffer_size_bound = 32
muxer.system.Streams = append(muxer.system.Streams, es)
muxer.system.Audio_bound++
muxer.psm.Stream_map = append(muxer.psm.Stream_map, NewElementary_stream_elem(uint8(cid), es.Stream_id))
muxer.psm.Program_stream_map_version++
return es.Stream_id
}
}
func (muxer *PSMuxer) Write(sid uint8, frame []byte, pts uint64, dts uint64) error {
var stream *Elementary_stream_elem = nil
for _, es := range muxer.psm.Stream_map {
if es.Elementary_stream_id == sid {
stream = es
break
}
}
if stream == nil {
return errNotFound
}
var withaud bool = false
var idr_flag bool = false
var first bool = true
var vcl bool = false
if stream.Stream_type == uint8(PS_STREAM_H264) || stream.Stream_type == uint8(PS_STREAM_H265) {
codec.SplitFrame(frame, func(nalu []byte) bool {
if stream.Stream_type == uint8(PS_STREAM_H264) {
nalu_type := codec.H264NaluTypeWithoutStartCode(nalu)
if nalu_type == codec.H264_NAL_AUD {
withaud = true
return false
} else if codec.IsH264VCLNaluType(nalu_type) {
if nalu_type == codec.H264_NAL_I_SLICE {
idr_flag = true
}
vcl = true
return false
}
return true
} else {
nalu_type := codec.H265NaluTypeWithoutStartCode(nalu)
if nalu_type == codec.H265_NAL_AUD {
withaud = true
return false
} else if codec.IsH265VCLNaluType(nalu_type) {
if nalu_type >= codec.H265_NAL_SLICE_BLA_W_LP && nalu_type <= codec.H265_NAL_SLICE_CRA {
idr_flag = true
}
vcl = true
return false
}
return true
}
})
}
var stream *Elementary_stream_elem = nil
for _, es := range muxer.psm.Stream_map {
if es.Elementary_stream_id == sid {
stream = es
break
}
}
if stream == nil {
return errNotFound
}
var withaud bool = false
var idr_flag bool = false
var first bool = true
var vcl bool = false
if stream.Stream_type == uint8(PS_STREAM_H264) || stream.Stream_type == uint8(PS_STREAM_H265) {
codec.SplitFrame(frame, func(nalu []byte) bool {
if stream.Stream_type == uint8(PS_STREAM_H264) {
nalu_type := codec.H264NaluTypeWithoutStartCode(nalu)
if nalu_type == codec.H264_NAL_AUD {
withaud = true
return false
} else if codec.IsH264VCLNaluType(nalu_type) {
if nalu_type == codec.H264_NAL_I_SLICE {
idr_flag = true
}
vcl = true
return false
}
return true
} else {
nalu_type := codec.H265NaluTypeWithoutStartCode(nalu)
if nalu_type == codec.H265_NAL_AUD {
withaud = true
return false
} else if codec.IsH265VCLNaluType(nalu_type) {
if nalu_type >= codec.H265_NAL_SLICE_BLA_W_LP && nalu_type <= codec.H265_NAL_SLICE_CRA {
idr_flag = true
}
vcl = true
return false
}
return true
}
})
}
dts = dts * 90
pts = pts * 90
bsw := codec.NewBitStreamWriter(1024)
var pack PSPackHeader
pack.System_clock_reference_base = dts - 3600
pack.System_clock_reference_extension = 0
pack.Program_mux_rate = 6106
pack.Encode(bsw)
if muxer.firstframe || idr_flag {
muxer.system.Encode(bsw)
muxer.psm.Encode(bsw)
muxer.firstframe = false
}
if muxer.OnPacket != nil {
muxer.OnPacket(bsw.Bits())
}
bsw.Reset()
pespkg := NewPesPacket()
for len(frame) > 0 {
peshdrlen := 13
pespkg.Stream_id = sid
pespkg.PTS_DTS_flags = 0x03
pespkg.PES_header_data_length = 10
pespkg.Pts = pts
pespkg.Dts = dts
if idr_flag {
pespkg.Data_alignment_indicator = 1
}
if first && !withaud && vcl {
if stream.Stream_type == uint8(PS_STREAM_H264) {
pespkg.Pes_payload = append(pespkg.Pes_payload, H264_AUD_NALU...)
peshdrlen += 6
} else if stream.Stream_type == uint8(PS_STREAM_H265) {
pespkg.Pes_payload = append(pespkg.Pes_payload, H265_AUD_NALU...)
peshdrlen += 7
}
}
if peshdrlen+len(frame) >= 0xFFFF {
pespkg.PES_packet_length = 0xFFFF
pespkg.Pes_payload = append(pespkg.Pes_payload, frame[0:0xFFFF-peshdrlen]...)
frame = frame[0xFFFF-peshdrlen:]
} else {
pespkg.PES_packet_length = uint16(peshdrlen + len(frame))
pespkg.Pes_payload = append(pespkg.Pes_payload, frame[0:]...)
frame = frame[:0]
}
pespkg.Encode(bsw)
pespkg.Pes_payload = pespkg.Pes_payload[:0]
if muxer.OnPacket != nil {
muxer.OnPacket(bsw.Bits())
}
bsw.Reset()
first = false
}
return nil
dts = dts * 90
pts = pts * 90
bsw := codec.NewBitStreamWriter(1024)
var pack PSPackHeader
pack.System_clock_reference_base = dts - 3600
pack.System_clock_reference_extension = 0
pack.Program_mux_rate = 6106
pack.Encode(bsw)
if muxer.firstframe || idr_flag {
muxer.system.Encode(bsw)
muxer.psm.Encode(bsw)
muxer.firstframe = false
}
if muxer.OnPacket != nil {
muxer.OnPacket(bsw.Bits())
}
bsw.Reset()
pespkg := NewPesPacket()
for len(frame) > 0 {
peshdrlen := 13
pespkg.Stream_id = sid
pespkg.PTS_DTS_flags = 0x03
pespkg.PES_header_data_length = 10
pespkg.Pts = pts
pespkg.Dts = dts
if idr_flag {
pespkg.Data_alignment_indicator = 1
}
if first && !withaud && vcl {
if stream.Stream_type == uint8(PS_STREAM_H264) {
pespkg.Pes_payload = append(pespkg.Pes_payload, H264_AUD_NALU...)
peshdrlen += 6
} else if stream.Stream_type == uint8(PS_STREAM_H265) {
pespkg.Pes_payload = append(pespkg.Pes_payload, H265_AUD_NALU...)
peshdrlen += 7
}
}
if peshdrlen+len(frame) >= 0xFFFF {
pespkg.PES_packet_length = 0xFFFF
pespkg.Pes_payload = append(pespkg.Pes_payload, frame[0:0xFFFF-peshdrlen]...)
frame = frame[0xFFFF-peshdrlen:]
} else {
pespkg.PES_packet_length = uint16(peshdrlen + len(frame))
pespkg.Pes_payload = append(pespkg.Pes_payload, frame[0:]...)
frame = frame[:0]
}
pespkg.Encode(bsw)
pespkg.Pes_payload = pespkg.Pes_payload[:0]
if muxer.OnPacket != nil {
muxer.OnPacket(bsw.Bits())
}
bsw.Reset()
first = false
}
return nil
}

670
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/mpeg2/ps-proto.go generated vendored
View file

@ -1,17 +1,17 @@
package mpeg2
import (
"encoding/binary"
"fmt"
"os"
"encoding/binary"
"fmt"
"os"
"github.com/yapingcat/gomedia/codec"
"github.com/yapingcat/gomedia/codec"
)
type Error interface {
NeedMore() bool
ParserError() bool
StreamIdNotFound() bool
NeedMore() bool
ParserError() bool
StreamIdNotFound() bool
}
var errNeedMore error = &needmoreError{}
@ -44,12 +44,12 @@ func (e *sidNotFoundError) StreamIdNotFound() bool { return true }
type PS_STREAM_TYPE int
const (
PS_STREAM_UNKNOW PS_STREAM_TYPE = 0xFF
PS_STREAM_AAC PS_STREAM_TYPE = 0x0F
PS_STREAM_H264 PS_STREAM_TYPE = 0x1B
PS_STREAM_H265 PS_STREAM_TYPE = 0x24
PS_STREAM_G711A PS_STREAM_TYPE = 0x90
PS_STREAM_G711U PS_STREAM_TYPE = 0x91
PS_STREAM_UNKNOW PS_STREAM_TYPE = 0xFF
PS_STREAM_AAC PS_STREAM_TYPE = 0x0F
PS_STREAM_H264 PS_STREAM_TYPE = 0x1B
PS_STREAM_H265 PS_STREAM_TYPE = 0x24
PS_STREAM_G711A PS_STREAM_TYPE = 0x90
PS_STREAM_G711U PS_STREAM_TYPE = 0x91
)
// Table 2-33 – Program Stream pack header
@ -78,113 +78,113 @@ const (
// }
type PSPackHeader struct {
IsMpeg1 bool
System_clock_reference_base uint64 //33 bits
System_clock_reference_extension uint16 //9 bits
Program_mux_rate uint32 //22 bits
Pack_stuffing_length uint8 //3 bitss
IsMpeg1 bool
System_clock_reference_base uint64 //33 bits
System_clock_reference_extension uint16 //9 bits
Program_mux_rate uint32 //22 bits
Pack_stuffing_length uint8 //3 bitss
}
func (ps_pkg_hdr *PSPackHeader) PrettyPrint(file *os.File) {
file.WriteString(fmt.Sprintf("IsMpeg1:%t\n", ps_pkg_hdr.IsMpeg1))
file.WriteString(fmt.Sprintf("System_clock_reference_base:%d\n", ps_pkg_hdr.System_clock_reference_base))
file.WriteString(fmt.Sprintf("System_clock_reference_extension:%d\n", ps_pkg_hdr.System_clock_reference_extension))
file.WriteString(fmt.Sprintf("Program_mux_rate:%d\n", ps_pkg_hdr.Program_mux_rate))
file.WriteString(fmt.Sprintf("Pack_stuffing_length:%d\n", ps_pkg_hdr.Pack_stuffing_length))
file.WriteString(fmt.Sprintf("IsMpeg1:%t\n", ps_pkg_hdr.IsMpeg1))
file.WriteString(fmt.Sprintf("System_clock_reference_base:%d\n", ps_pkg_hdr.System_clock_reference_base))
file.WriteString(fmt.Sprintf("System_clock_reference_extension:%d\n", ps_pkg_hdr.System_clock_reference_extension))
file.WriteString(fmt.Sprintf("Program_mux_rate:%d\n", ps_pkg_hdr.Program_mux_rate))
file.WriteString(fmt.Sprintf("Pack_stuffing_length:%d\n", ps_pkg_hdr.Pack_stuffing_length))
}
func (ps_pkg_hdr *PSPackHeader) Decode(bs *codec.BitStream) error {
if bs.RemainBytes() < 5 {
return errNeedMore
}
if bs.Uint32(32) != 0x000001BA {
panic("ps header must start with 000001BA")
}
if bs.RemainBytes() < 5 {
return errNeedMore
}
if bs.Uint32(32) != 0x000001BA {
panic("ps header must start with 000001BA")
}
if bs.NextBits(2) == 0x01 { //mpeg2
if bs.RemainBytes() < 10 {
return errNeedMore
}
return ps_pkg_hdr.decodeMpeg2(bs)
} else if bs.NextBits(4) == 0x02 { //mpeg1
if bs.RemainBytes() < 8 {
return errNeedMore
}
ps_pkg_hdr.IsMpeg1 = true
return ps_pkg_hdr.decodeMpeg1(bs)
} else {
return errParser
}
if bs.NextBits(2) == 0x01 { //mpeg2
if bs.RemainBytes() < 10 {
return errNeedMore
}
return ps_pkg_hdr.decodeMpeg2(bs)
} else if bs.NextBits(4) == 0x02 { //mpeg1
if bs.RemainBytes() < 8 {
return errNeedMore
}
ps_pkg_hdr.IsMpeg1 = true
return ps_pkg_hdr.decodeMpeg1(bs)
} else {
return errParser
}
}
func (ps_pkg_hdr *PSPackHeader) decodeMpeg2(bs *codec.BitStream) error {
bs.SkipBits(2)
ps_pkg_hdr.System_clock_reference_base = bs.GetBits(3)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_base = ps_pkg_hdr.System_clock_reference_base<<15 | bs.GetBits(15)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_base = ps_pkg_hdr.System_clock_reference_base<<15 | bs.GetBits(15)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_extension = bs.Uint16(9)
bs.SkipBits(1)
ps_pkg_hdr.Program_mux_rate = bs.Uint32(22)
bs.SkipBits(1)
bs.SkipBits(1)
bs.SkipBits(5)
ps_pkg_hdr.Pack_stuffing_length = bs.Uint8(3)
if bs.RemainBytes() < int(ps_pkg_hdr.Pack_stuffing_length) {
bs.UnRead(10 * 8)
return errNeedMore
}
bs.SkipBits(int(ps_pkg_hdr.Pack_stuffing_length) * 8)
return nil
bs.SkipBits(2)
ps_pkg_hdr.System_clock_reference_base = bs.GetBits(3)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_base = ps_pkg_hdr.System_clock_reference_base<<15 | bs.GetBits(15)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_base = ps_pkg_hdr.System_clock_reference_base<<15 | bs.GetBits(15)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_extension = bs.Uint16(9)
bs.SkipBits(1)
ps_pkg_hdr.Program_mux_rate = bs.Uint32(22)
bs.SkipBits(1)
bs.SkipBits(1)
bs.SkipBits(5)
ps_pkg_hdr.Pack_stuffing_length = bs.Uint8(3)
if bs.RemainBytes() < int(ps_pkg_hdr.Pack_stuffing_length) {
bs.UnRead(10 * 8)
return errNeedMore
}
bs.SkipBits(int(ps_pkg_hdr.Pack_stuffing_length) * 8)
return nil
}
func (ps_pkg_hdr *PSPackHeader) decodeMpeg1(bs *codec.BitStream) error {
bs.SkipBits(4)
ps_pkg_hdr.System_clock_reference_base = bs.GetBits(3)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_base = ps_pkg_hdr.System_clock_reference_base<<15 | bs.GetBits(15)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_base = ps_pkg_hdr.System_clock_reference_base<<15 | bs.GetBits(15)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_extension = 1
ps_pkg_hdr.Program_mux_rate = bs.Uint32(7)
bs.SkipBits(1)
ps_pkg_hdr.Program_mux_rate = ps_pkg_hdr.Program_mux_rate<<15 | bs.Uint32(15)
bs.SkipBits(1)
return nil
bs.SkipBits(4)
ps_pkg_hdr.System_clock_reference_base = bs.GetBits(3)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_base = ps_pkg_hdr.System_clock_reference_base<<15 | bs.GetBits(15)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_base = ps_pkg_hdr.System_clock_reference_base<<15 | bs.GetBits(15)
bs.SkipBits(1)
ps_pkg_hdr.System_clock_reference_extension = 1
ps_pkg_hdr.Program_mux_rate = bs.Uint32(7)
bs.SkipBits(1)
ps_pkg_hdr.Program_mux_rate = ps_pkg_hdr.Program_mux_rate<<15 | bs.Uint32(15)
bs.SkipBits(1)
return nil
}
func (ps_pkg_hdr *PSPackHeader) Encode(bsw *codec.BitStreamWriter) {
bsw.PutBytes([]byte{0x00, 0x00, 0x01, 0xBA})
bsw.PutUint8(1, 2)
bsw.PutUint64(ps_pkg_hdr.System_clock_reference_base>>30, 3)
bsw.PutUint8(1, 1)
bsw.PutUint64(ps_pkg_hdr.System_clock_reference_base>>15, 15)
bsw.PutUint8(1, 1)
bsw.PutUint64(ps_pkg_hdr.System_clock_reference_base, 15)
bsw.PutUint8(1, 1)
bsw.PutUint16(ps_pkg_hdr.System_clock_reference_extension, 9)
bsw.PutUint8(1, 1)
bsw.PutUint32(ps_pkg_hdr.Program_mux_rate, 22)
bsw.PutUint8(1, 1)
bsw.PutUint8(1, 1)
bsw.PutUint8(0x1F, 5)
bsw.PutUint8(ps_pkg_hdr.Pack_stuffing_length, 3)
bsw.PutRepetValue(0xFF, int(ps_pkg_hdr.Pack_stuffing_length))
bsw.PutBytes([]byte{0x00, 0x00, 0x01, 0xBA})
bsw.PutUint8(1, 2)
bsw.PutUint64(ps_pkg_hdr.System_clock_reference_base>>30, 3)
bsw.PutUint8(1, 1)
bsw.PutUint64(ps_pkg_hdr.System_clock_reference_base>>15, 15)
bsw.PutUint8(1, 1)
bsw.PutUint64(ps_pkg_hdr.System_clock_reference_base, 15)
bsw.PutUint8(1, 1)
bsw.PutUint16(ps_pkg_hdr.System_clock_reference_extension, 9)
bsw.PutUint8(1, 1)
bsw.PutUint32(ps_pkg_hdr.Program_mux_rate, 22)
bsw.PutUint8(1, 1)
bsw.PutUint8(1, 1)
bsw.PutUint8(0x1F, 5)
bsw.PutUint8(ps_pkg_hdr.Pack_stuffing_length, 3)
bsw.PutRepetValue(0xFF, int(ps_pkg_hdr.Pack_stuffing_length))
}
type Elementary_Stream struct {
Stream_id uint8
P_STD_buffer_bound_scale uint8
P_STD_buffer_size_bound uint16
Stream_id uint8
P_STD_buffer_bound_scale uint8
P_STD_buffer_size_bound uint16
}
func NewElementary_Stream(sid uint8) *Elementary_Stream {
return &Elementary_Stream{
Stream_id: sid,
}
return &Elementary_Stream{
Stream_id: sid,
}
}
// system_header () {
@ -211,118 +211,118 @@ func NewElementary_Stream(sid uint8) *Elementary_Stream {
// }
type System_header struct {
Header_length uint16
Rate_bound uint32
Audio_bound uint8
Fixed_flag uint8
CSPS_flag uint8
System_audio_lock_flag uint8
System_video_lock_flag uint8
Video_bound uint8
Packet_rate_restriction_flag uint8
Streams []*Elementary_Stream
Header_length uint16
Rate_bound uint32
Audio_bound uint8
Fixed_flag uint8
CSPS_flag uint8
System_audio_lock_flag uint8
System_video_lock_flag uint8
Video_bound uint8
Packet_rate_restriction_flag uint8
Streams []*Elementary_Stream
}
func (sh *System_header) PrettyPrint(file *os.File) {
file.WriteString(fmt.Sprintf("Header_length:%d\n", sh.Header_length))
file.WriteString(fmt.Sprintf("Rate_bound:%d\n", sh.Rate_bound))
file.WriteString(fmt.Sprintf("Audio_bound:%d\n", sh.Audio_bound))
file.WriteString(fmt.Sprintf("Fixed_flag:%d\n", sh.Fixed_flag))
file.WriteString(fmt.Sprintf("CSPS_flag:%d\n", sh.CSPS_flag))
file.WriteString(fmt.Sprintf("System_audio_lock_flag:%d\n", sh.System_audio_lock_flag))
file.WriteString(fmt.Sprintf("System_video_lock_flag:%d\n", sh.System_video_lock_flag))
file.WriteString(fmt.Sprintf("Video_bound:%d\n", sh.Video_bound))
file.WriteString(fmt.Sprintf("Packet_rate_restriction_flag:%d\n", sh.Packet_rate_restriction_flag))
for i, es := range sh.Streams {
file.WriteString(fmt.Sprintf("----streams %d\n", i))
file.WriteString(fmt.Sprintf(" Stream_id:%d\n", es.Stream_id))
file.WriteString(fmt.Sprintf(" P_STD_buffer_bound_scale:%d\n", es.P_STD_buffer_bound_scale))
file.WriteString(fmt.Sprintf(" P_STD_buffer_size_bound:%d\n", es.P_STD_buffer_size_bound))
}
file.WriteString(fmt.Sprintf("Header_length:%d\n", sh.Header_length))
file.WriteString(fmt.Sprintf("Rate_bound:%d\n", sh.Rate_bound))
file.WriteString(fmt.Sprintf("Audio_bound:%d\n", sh.Audio_bound))
file.WriteString(fmt.Sprintf("Fixed_flag:%d\n", sh.Fixed_flag))
file.WriteString(fmt.Sprintf("CSPS_flag:%d\n", sh.CSPS_flag))
file.WriteString(fmt.Sprintf("System_audio_lock_flag:%d\n", sh.System_audio_lock_flag))
file.WriteString(fmt.Sprintf("System_video_lock_flag:%d\n", sh.System_video_lock_flag))
file.WriteString(fmt.Sprintf("Video_bound:%d\n", sh.Video_bound))
file.WriteString(fmt.Sprintf("Packet_rate_restriction_flag:%d\n", sh.Packet_rate_restriction_flag))
for i, es := range sh.Streams {
file.WriteString(fmt.Sprintf("----streams %d\n", i))
file.WriteString(fmt.Sprintf(" Stream_id:%d\n", es.Stream_id))
file.WriteString(fmt.Sprintf(" P_STD_buffer_bound_scale:%d\n", es.P_STD_buffer_bound_scale))
file.WriteString(fmt.Sprintf(" P_STD_buffer_size_bound:%d\n", es.P_STD_buffer_size_bound))
}
}
func (sh *System_header) Encode(bsw *codec.BitStreamWriter) {
bsw.PutBytes([]byte{0x00, 0x00, 0x01, 0xBB})
loc := bsw.ByteOffset()
bsw.PutUint16(0, 16)
bsw.Markdot()
bsw.PutUint8(1, 1)
bsw.PutUint32(sh.Rate_bound, 22)
bsw.PutUint8(1, 1)
bsw.PutUint8(sh.Audio_bound, 6)
bsw.PutUint8(sh.Fixed_flag, 1)
bsw.PutUint8(sh.CSPS_flag, 1)
bsw.PutUint8(sh.System_audio_lock_flag, 1)
bsw.PutUint8(sh.System_video_lock_flag, 1)
bsw.PutUint8(1, 1)
bsw.PutUint8(sh.Video_bound, 5)
bsw.PutUint8(sh.Packet_rate_restriction_flag, 1)
bsw.PutUint8(0x7F, 7)
for _, stream := range sh.Streams {
bsw.PutUint8(stream.Stream_id, 8)
bsw.PutUint8(3, 2)
bsw.PutUint8(stream.P_STD_buffer_bound_scale, 1)
bsw.PutUint16(stream.P_STD_buffer_size_bound, 13)
}
length := bsw.DistanceFromMarkDot() / 8
bsw.SetUint16(uint16(length), loc)
bsw.PutBytes([]byte{0x00, 0x00, 0x01, 0xBB})
loc := bsw.ByteOffset()
bsw.PutUint16(0, 16)
bsw.Markdot()
bsw.PutUint8(1, 1)
bsw.PutUint32(sh.Rate_bound, 22)
bsw.PutUint8(1, 1)
bsw.PutUint8(sh.Audio_bound, 6)
bsw.PutUint8(sh.Fixed_flag, 1)
bsw.PutUint8(sh.CSPS_flag, 1)
bsw.PutUint8(sh.System_audio_lock_flag, 1)
bsw.PutUint8(sh.System_video_lock_flag, 1)
bsw.PutUint8(1, 1)
bsw.PutUint8(sh.Video_bound, 5)
bsw.PutUint8(sh.Packet_rate_restriction_flag, 1)
bsw.PutUint8(0x7F, 7)
for _, stream := range sh.Streams {
bsw.PutUint8(stream.Stream_id, 8)
bsw.PutUint8(3, 2)
bsw.PutUint8(stream.P_STD_buffer_bound_scale, 1)
bsw.PutUint16(stream.P_STD_buffer_size_bound, 13)
}
length := bsw.DistanceFromMarkDot() / 8
bsw.SetUint16(uint16(length), loc)
}
func (sh *System_header) Decode(bs *codec.BitStream) error {
if bs.RemainBytes() < 12 {
return errNeedMore
}
if bs.Uint32(32) != 0x000001BB {
panic("system header must start with 000001BB")
}
sh.Header_length = bs.Uint16(16)
if bs.RemainBytes() < int(sh.Header_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
if sh.Header_length < 6 || (sh.Header_length-6)%3 != 0 {
return errParser
}
bs.SkipBits(1)
sh.Rate_bound = bs.Uint32(22)
bs.SkipBits(1)
sh.Audio_bound = bs.Uint8(6)
sh.Fixed_flag = bs.Uint8(1)
sh.CSPS_flag = bs.Uint8(1)
sh.System_audio_lock_flag = bs.Uint8(1)
sh.System_video_lock_flag = bs.Uint8(1)
bs.SkipBits(1)
sh.Video_bound = bs.Uint8(5)
sh.Packet_rate_restriction_flag = bs.Uint8(1)
bs.SkipBits(7)
sh.Streams = sh.Streams[:0]
least := sh.Header_length - 6
for least > 0 && bs.NextBits(1) == 0x01 {
es := new(Elementary_Stream)
es.Stream_id = bs.Uint8(8)
bs.SkipBits(2)
es.P_STD_buffer_bound_scale = bs.GetBit()
es.P_STD_buffer_size_bound = bs.Uint16(13)
sh.Streams = append(sh.Streams, es)
least -= 3
}
if least > 0 {
return errParser
}
return nil
if bs.RemainBytes() < 12 {
return errNeedMore
}
if bs.Uint32(32) != 0x000001BB {
panic("system header must start with 000001BB")
}
sh.Header_length = bs.Uint16(16)
if bs.RemainBytes() < int(sh.Header_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
if sh.Header_length < 6 || (sh.Header_length-6)%3 != 0 {
return errParser
}
bs.SkipBits(1)
sh.Rate_bound = bs.Uint32(22)
bs.SkipBits(1)
sh.Audio_bound = bs.Uint8(6)
sh.Fixed_flag = bs.Uint8(1)
sh.CSPS_flag = bs.Uint8(1)
sh.System_audio_lock_flag = bs.Uint8(1)
sh.System_video_lock_flag = bs.Uint8(1)
bs.SkipBits(1)
sh.Video_bound = bs.Uint8(5)
sh.Packet_rate_restriction_flag = bs.Uint8(1)
bs.SkipBits(7)
sh.Streams = sh.Streams[:0]
least := sh.Header_length - 6
for least > 0 && bs.NextBits(1) == 0x01 {
es := new(Elementary_Stream)
es.Stream_id = bs.Uint8(8)
bs.SkipBits(2)
es.P_STD_buffer_bound_scale = bs.GetBit()
es.P_STD_buffer_size_bound = bs.Uint16(13)
sh.Streams = append(sh.Streams, es)
least -= 3
}
if least > 0 {
return errParser
}
return nil
}
type Elementary_stream_elem struct {
Stream_type uint8
Elementary_stream_id uint8
Elementary_stream_info_length uint16
Stream_type uint8
Elementary_stream_id uint8
Elementary_stream_info_length uint16
}
func NewElementary_stream_elem(stype uint8, esid uint8) *Elementary_stream_elem {
return &Elementary_stream_elem{
Stream_type: stype,
Elementary_stream_id: esid,
}
return &Elementary_stream_elem{
Stream_type: stype,
Elementary_stream_id: esid,
}
}
// program_stream_map() {
@ -351,171 +351,171 @@ func NewElementary_stream_elem(stype uint8, esid uint8) *Elementary_stream_elem
// }
type Program_stream_map struct {
Map_stream_id uint8
Program_stream_map_length uint16
Current_next_indicator uint8
Program_stream_map_version uint8
Program_stream_info_length uint16
Elementary_stream_map_length uint16
Stream_map []*Elementary_stream_elem
Map_stream_id uint8
Program_stream_map_length uint16
Current_next_indicator uint8
Program_stream_map_version uint8
Program_stream_info_length uint16
Elementary_stream_map_length uint16
Stream_map []*Elementary_stream_elem
}
func (psm *Program_stream_map) PrettyPrint(file *os.File) {
file.WriteString(fmt.Sprintf("map_stream_id:%d\n", psm.Map_stream_id))
file.WriteString(fmt.Sprintf("program_stream_map_length:%d\n", psm.Program_stream_map_length))
file.WriteString(fmt.Sprintf("current_next_indicator:%d\n", psm.Current_next_indicator))
file.WriteString(fmt.Sprintf("program_stream_map_version:%d\n", psm.Program_stream_map_version))
file.WriteString(fmt.Sprintf("program_stream_info_length:%d\n", psm.Program_stream_info_length))
file.WriteString(fmt.Sprintf("elementary_stream_map_length:%d\n", psm.Elementary_stream_map_length))
for i, es := range psm.Stream_map {
file.WriteString(fmt.Sprintf("----ES stream %d\n", i))
if es.Stream_type == uint8(PS_STREAM_AAC) {
file.WriteString(" stream_type:AAC\n")
} else if es.Stream_type == uint8(PS_STREAM_G711A) {
file.WriteString(" stream_type:G711A\n")
} else if es.Stream_type == uint8(PS_STREAM_G711U) {
file.WriteString(" stream_type:G711U\n")
} else if es.Stream_type == uint8(PS_STREAM_H264) {
file.WriteString(" stream_type:H264\n")
} else if es.Stream_type == uint8(PS_STREAM_H265) {
file.WriteString(" stream_type:H265\n")
}
file.WriteString(fmt.Sprintf(" elementary_stream_id:%d\n", es.Elementary_stream_id))
file.WriteString(fmt.Sprintf(" elementary_stream_info_length:%d\n", es.Elementary_stream_info_length))
}
file.WriteString(fmt.Sprintf("map_stream_id:%d\n", psm.Map_stream_id))
file.WriteString(fmt.Sprintf("program_stream_map_length:%d\n", psm.Program_stream_map_length))
file.WriteString(fmt.Sprintf("current_next_indicator:%d\n", psm.Current_next_indicator))
file.WriteString(fmt.Sprintf("program_stream_map_version:%d\n", psm.Program_stream_map_version))
file.WriteString(fmt.Sprintf("program_stream_info_length:%d\n", psm.Program_stream_info_length))
file.WriteString(fmt.Sprintf("elementary_stream_map_length:%d\n", psm.Elementary_stream_map_length))
for i, es := range psm.Stream_map {
file.WriteString(fmt.Sprintf("----ES stream %d\n", i))
if es.Stream_type == uint8(PS_STREAM_AAC) {
file.WriteString(" stream_type:AAC\n")
} else if es.Stream_type == uint8(PS_STREAM_G711A) {
file.WriteString(" stream_type:G711A\n")
} else if es.Stream_type == uint8(PS_STREAM_G711U) {
file.WriteString(" stream_type:G711U\n")
} else if es.Stream_type == uint8(PS_STREAM_H264) {
file.WriteString(" stream_type:H264\n")
} else if es.Stream_type == uint8(PS_STREAM_H265) {
file.WriteString(" stream_type:H265\n")
}
file.WriteString(fmt.Sprintf(" elementary_stream_id:%d\n", es.Elementary_stream_id))
file.WriteString(fmt.Sprintf(" elementary_stream_info_length:%d\n", es.Elementary_stream_info_length))
}
}
func (psm *Program_stream_map) Encode(bsw *codec.BitStreamWriter) {
bsw.PutBytes([]byte{0x00, 0x00, 0x01, 0xBC})
loc := bsw.ByteOffset()
bsw.PutUint16(psm.Program_stream_map_length, 16)
bsw.Markdot()
bsw.PutUint8(psm.Current_next_indicator, 1)
bsw.PutUint8(3, 2)
bsw.PutUint8(psm.Program_stream_map_version, 5)
bsw.PutUint8(0x7F, 7)
bsw.PutUint8(1, 1)
bsw.PutUint16(0, 16)
psm.Elementary_stream_map_length = uint16(len(psm.Stream_map) * 4)
bsw.PutUint16(psm.Elementary_stream_map_length, 16)
for _, streaminfo := range psm.Stream_map {
bsw.PutUint8(streaminfo.Stream_type, 8)
bsw.PutUint8(streaminfo.Elementary_stream_id, 8)
bsw.PutUint16(0, 16)
}
length := bsw.DistanceFromMarkDot()/8 + 4
bsw.SetUint16(uint16(length), loc)
crc := codec.CalcCrc32(0xffffffff, bsw.Bits()[bsw.ByteOffset()-int(length-4)-4:bsw.ByteOffset()])
tmpcrc := make([]byte, 4)
binary.LittleEndian.PutUint32(tmpcrc, crc)
bsw.PutBytes(tmpcrc)
bsw.PutBytes([]byte{0x00, 0x00, 0x01, 0xBC})
loc := bsw.ByteOffset()
bsw.PutUint16(psm.Program_stream_map_length, 16)
bsw.Markdot()
bsw.PutUint8(psm.Current_next_indicator, 1)
bsw.PutUint8(3, 2)
bsw.PutUint8(psm.Program_stream_map_version, 5)
bsw.PutUint8(0x7F, 7)
bsw.PutUint8(1, 1)
bsw.PutUint16(0, 16)
psm.Elementary_stream_map_length = uint16(len(psm.Stream_map) * 4)
bsw.PutUint16(psm.Elementary_stream_map_length, 16)
for _, streaminfo := range psm.Stream_map {
bsw.PutUint8(streaminfo.Stream_type, 8)
bsw.PutUint8(streaminfo.Elementary_stream_id, 8)
bsw.PutUint16(0, 16)
}
length := bsw.DistanceFromMarkDot()/8 + 4
bsw.SetUint16(uint16(length), loc)
crc := codec.CalcCrc32(0xffffffff, bsw.Bits()[bsw.ByteOffset()-int(length-4)-4:bsw.ByteOffset()])
tmpcrc := make([]byte, 4)
binary.LittleEndian.PutUint32(tmpcrc, crc)
bsw.PutBytes(tmpcrc)
}
func (psm *Program_stream_map) Decode(bs *codec.BitStream) error {
if bs.RemainBytes() < 16 {
return errNeedMore
}
if bs.Uint32(24) != 0x000001 {
panic("program stream map must startwith 0x000001")
}
psm.Map_stream_id = bs.Uint8(8)
if psm.Map_stream_id != 0xBC {
panic("map stream id must be 0xBC")
}
psm.Program_stream_map_length = bs.Uint16(16)
if bs.RemainBytes() < int(psm.Program_stream_map_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
psm.Current_next_indicator = bs.Uint8(1)
bs.SkipBits(2)
psm.Program_stream_map_version = bs.Uint8(5)
bs.SkipBits(8)
psm.Program_stream_info_length = bs.Uint16(16)
if bs.RemainBytes() < int(psm.Program_stream_info_length)+2 {
bs.UnRead(10 * 8)
return errNeedMore
}
bs.SkipBits(int(psm.Program_stream_info_length) * 8)
psm.Elementary_stream_map_length = bs.Uint16(16)
if psm.Program_stream_map_length != 6+psm.Program_stream_info_length+psm.Elementary_stream_map_length+4 {
return errParser
}
if bs.RemainBytes() < int(psm.Elementary_stream_map_length)+4 {
bs.UnRead(12*8 + int(psm.Program_stream_info_length)*8)
return errNeedMore
}
if bs.RemainBytes() < 16 {
return errNeedMore
}
if bs.Uint32(24) != 0x000001 {
panic("program stream map must startwith 0x000001")
}
psm.Map_stream_id = bs.Uint8(8)
if psm.Map_stream_id != 0xBC {
panic("map stream id must be 0xBC")
}
psm.Program_stream_map_length = bs.Uint16(16)
if bs.RemainBytes() < int(psm.Program_stream_map_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
psm.Current_next_indicator = bs.Uint8(1)
bs.SkipBits(2)
psm.Program_stream_map_version = bs.Uint8(5)
bs.SkipBits(8)
psm.Program_stream_info_length = bs.Uint16(16)
if bs.RemainBytes() < int(psm.Program_stream_info_length)+2 {
bs.UnRead(10 * 8)
return errNeedMore
}
bs.SkipBits(int(psm.Program_stream_info_length) * 8)
psm.Elementary_stream_map_length = bs.Uint16(16)
if psm.Program_stream_map_length != 6+psm.Program_stream_info_length+psm.Elementary_stream_map_length+4 {
return errParser
}
if bs.RemainBytes() < int(psm.Elementary_stream_map_length)+4 {
bs.UnRead(12*8 + int(psm.Program_stream_info_length)*8)
return errNeedMore
}
i := 0
psm.Stream_map = psm.Stream_map[:0]
for i < int(psm.Elementary_stream_map_length) {
elem := new(Elementary_stream_elem)
elem.Stream_type = bs.Uint8(8)
elem.Elementary_stream_id = bs.Uint8(8)
elem.Elementary_stream_info_length = bs.Uint16(16)
//TODO Parser descriptor
if bs.RemainBytes() < int(elem.Elementary_stream_info_length) {
return errParser
}
bs.SkipBits(int(elem.Elementary_stream_info_length) * 8)
i += int(4 + elem.Elementary_stream_info_length)
psm.Stream_map = append(psm.Stream_map, elem)
}
i := 0
psm.Stream_map = psm.Stream_map[:0]
for i < int(psm.Elementary_stream_map_length) {
elem := new(Elementary_stream_elem)
elem.Stream_type = bs.Uint8(8)
elem.Elementary_stream_id = bs.Uint8(8)
elem.Elementary_stream_info_length = bs.Uint16(16)
//TODO Parser descriptor
if bs.RemainBytes() < int(elem.Elementary_stream_info_length) {
return errParser
}
bs.SkipBits(int(elem.Elementary_stream_info_length) * 8)
i += int(4 + elem.Elementary_stream_info_length)
psm.Stream_map = append(psm.Stream_map, elem)
}
if i != int(psm.Elementary_stream_map_length) {
return errParser
}
if i != int(psm.Elementary_stream_map_length) {
return errParser
}
bs.SkipBits(32)
return nil
bs.SkipBits(32)
return nil
}
type Program_stream_directory struct {
PES_packet_length uint16
PES_packet_length uint16
}
func (psd *Program_stream_directory) Decode(bs *codec.BitStream) error {
if bs.RemainBytes() < 6 {
return errNeedMore
}
if bs.Uint32(32) != 0x000001FF {
panic("program stream directory 000001FF")
}
psd.PES_packet_length = bs.Uint16(16)
if bs.RemainBytes() < int(psd.PES_packet_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
//TODO Program Stream directory
bs.SkipBits(int(psd.PES_packet_length) * 8)
return nil
if bs.RemainBytes() < 6 {
return errNeedMore
}
if bs.Uint32(32) != 0x000001FF {
panic("program stream directory 000001FF")
}
psd.PES_packet_length = bs.Uint16(16)
if bs.RemainBytes() < int(psd.PES_packet_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
//TODO Program Stream directory
bs.SkipBits(int(psd.PES_packet_length) * 8)
return nil
}
type CommonPesPacket struct {
Stream_id uint8
PES_packet_length uint16
Stream_id uint8
PES_packet_length uint16
}
func (compes *CommonPesPacket) Decode(bs *codec.BitStream) error {
if bs.RemainBytes() < 6 {
return errNeedMore
}
bs.SkipBits(24)
compes.Stream_id = bs.Uint8(8)
compes.PES_packet_length = bs.Uint16(16)
if bs.RemainBytes() < int(compes.PES_packet_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
bs.SkipBits(int(compes.PES_packet_length) * 8)
return nil
if bs.RemainBytes() < 6 {
return errNeedMore
}
bs.SkipBits(24)
compes.Stream_id = bs.Uint8(8)
compes.PES_packet_length = bs.Uint16(16)
if bs.RemainBytes() < int(compes.PES_packet_length) {
bs.UnRead(6 * 8)
return errNeedMore
}
bs.SkipBits(int(compes.PES_packet_length) * 8)
return nil
}
type PSPacket struct {
Header *PSPackHeader
System *System_header
Psm *Program_stream_map
Psd *Program_stream_directory
CommPes *CommonPesPacket
Pes *PesPacket
Header *PSPackHeader
System *System_header
Psm *Program_stream_map
Psd *Program_stream_directory
CommPes *CommonPesPacket
Pes *PesPacket
}

356
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/mpeg2/ts-demuxer.go generated vendored
View file

@ -1,218 +1,218 @@
package mpeg2
import (
"errors"
"io"
"errors"
"io"
"github.com/yapingcat/gomedia/codec"
"github.com/yapingcat/gomedia/codec"
)
type pakcet_t struct {
payload []byte
pts uint64
dts uint64
payload []byte
pts uint64
dts uint64
}
func newPacket_t(size uint32) *pakcet_t {
return &pakcet_t{
payload: make([]byte, 0, size),
pts: 0,
dts: 0,
}
return &pakcet_t{
payload: make([]byte, 0, size),
pts: 0,
dts: 0,
}
}
type tsstream struct {
cid TS_STREAM_TYPE
pes_sid PES_STREMA_ID
pes_pkg *PesPacket
pkg *pakcet_t
cid TS_STREAM_TYPE
pes_sid PES_STREMA_ID
pes_pkg *PesPacket
pkg *pakcet_t
}
type tsprogram struct {
pn uint16
streams map[uint16]*tsstream
pn uint16
streams map[uint16]*tsstream
}
type TSDemuxer struct {
programs map[uint16]*tsprogram
OnFrame func(cid TS_STREAM_TYPE, frame []byte, pts uint64, dts uint64)
OnTSPacket func(pkg *TSPacket)
programs map[uint16]*tsprogram
OnFrame func(cid TS_STREAM_TYPE, frame []byte, pts uint64, dts uint64)
OnTSPacket func(pkg *TSPacket)
}
func NewTSDemuxer() *TSDemuxer {
return &TSDemuxer{
programs: make(map[uint16]*tsprogram),
OnFrame: nil,
OnTSPacket: nil,
}
return &TSDemuxer{
programs: make(map[uint16]*tsprogram),
OnFrame: nil,
OnTSPacket: nil,
}
}
func (demuxer *TSDemuxer) Input(r io.Reader) error {
buf := make([]byte, TS_PAKCET_SIZE)
_, err := io.ReadFull(r, buf)
if err != nil {
return errNeedMore
}
for {
bs := codec.NewBitStream(buf)
var pkg TSPacket
if err := pkg.DecodeHeader(bs); err != nil {
return err
}
if pkg.PID == uint16(TS_PID_PAT) {
if pkg.Payload_unit_start_indicator == 1 {
bs.SkipBits(8)
}
pat := NewPat()
if err := pat.Decode(bs); err != nil {
return err
}
pkg.Payload = pat
if pat.Table_id != uint8(TS_TID_PAS) {
return errors.New("pat table id is wrong")
}
for _, pmt := range pat.Pmts {
if pmt.Program_number != 0x0000 {
if _, found := demuxer.programs[pmt.PID]; !found {
demuxer.programs[pmt.PID] = &tsprogram{pn: 0, streams: make(map[uint16]*tsstream)}
}
}
}
} else {
for p, s := range demuxer.programs {
if p == pkg.PID { // pmt table
if pkg.Payload_unit_start_indicator == 1 {
bs.SkipBits(8) //pointer filed
}
pmt := NewPmt()
if err := pmt.Decode(bs); err != nil {
return err
}
pkg.Payload = pmt
s.pn = pmt.Program_number
for _, ps := range pmt.Streams {
if _, found := s.streams[ps.Elementary_PID]; !found {
s.streams[ps.Elementary_PID] = &tsstream{
cid: TS_STREAM_TYPE(ps.StreamType),
pes_sid: findPESIDByStreamType(TS_STREAM_TYPE(ps.StreamType)),
pes_pkg: NewPesPacket(),
}
}
}
} else {
for sid, stream := range s.streams {
if sid != pkg.PID {
continue
}
if pkg.Payload_unit_start_indicator == 1 {
err := stream.pes_pkg.Decode(bs)
// ignore error if it was a short payload read, next ts packet should append missing data
if err != nil && !(errors.Is(err, errNeedMore) && stream.pes_pkg.Pes_payload != nil) {
return err
}
pkg.Payload = stream.pes_pkg
} else {
stream.pes_pkg.Pes_payload = bs.RemainData()
pkg.Payload = bs.RemainData()
}
stype := findPESIDByStreamType(stream.cid)
if stype == PES_STREAM_AUDIO {
demuxer.doAudioPesPacket(stream, pkg.Payload_unit_start_indicator)
} else if stype == PES_STREAM_VIDEO {
demuxer.doVideoPesPacket(stream, pkg.Payload_unit_start_indicator)
}
}
}
}
}
if demuxer.OnTSPacket != nil {
demuxer.OnTSPacket(&pkg)
}
_, err := io.ReadFull(r, buf)
if err != nil {
if errors.Is(err, io.EOF) {
break
} else {
return errNeedMore
}
}
}
demuxer.flush()
return nil
buf := make([]byte, TS_PAKCET_SIZE)
_, err := io.ReadFull(r, buf)
if err != nil {
return errNeedMore
}
for {
bs := codec.NewBitStream(buf)
var pkg TSPacket
if err := pkg.DecodeHeader(bs); err != nil {
return err
}
if pkg.PID == uint16(TS_PID_PAT) {
if pkg.Payload_unit_start_indicator == 1 {
bs.SkipBits(8)
}
pat := NewPat()
if err := pat.Decode(bs); err != nil {
return err
}
pkg.Payload = pat
if pat.Table_id != uint8(TS_TID_PAS) {
return errors.New("pat table id is wrong")
}
for _, pmt := range pat.Pmts {
if pmt.Program_number != 0x0000 {
if _, found := demuxer.programs[pmt.PID]; !found {
demuxer.programs[pmt.PID] = &tsprogram{pn: 0, streams: make(map[uint16]*tsstream)}
}
}
}
} else {
for p, s := range demuxer.programs {
if p == pkg.PID { // pmt table
if pkg.Payload_unit_start_indicator == 1 {
bs.SkipBits(8) //pointer filed
}
pmt := NewPmt()
if err := pmt.Decode(bs); err != nil {
return err
}
pkg.Payload = pmt
s.pn = pmt.Program_number
for _, ps := range pmt.Streams {
if _, found := s.streams[ps.Elementary_PID]; !found {
s.streams[ps.Elementary_PID] = &tsstream{
cid: TS_STREAM_TYPE(ps.StreamType),
pes_sid: findPESIDByStreamType(TS_STREAM_TYPE(ps.StreamType)),
pes_pkg: NewPesPacket(),
}
}
}
} else {
for sid, stream := range s.streams {
if sid != pkg.PID {
continue
}
if pkg.Payload_unit_start_indicator == 1 {
err := stream.pes_pkg.Decode(bs)
// ignore error if it was a short payload read, next ts packet should append missing data
if err != nil && !(errors.Is(err, errNeedMore) && stream.pes_pkg.Pes_payload != nil) {
return err
}
pkg.Payload = stream.pes_pkg
} else {
stream.pes_pkg.Pes_payload = bs.RemainData()
pkg.Payload = bs.RemainData()
}
stype := findPESIDByStreamType(stream.cid)
if stype == PES_STREAM_AUDIO {
demuxer.doAudioPesPacket(stream, pkg.Payload_unit_start_indicator)
} else if stype == PES_STREAM_VIDEO {
demuxer.doVideoPesPacket(stream, pkg.Payload_unit_start_indicator)
}
}
}
}
}
if demuxer.OnTSPacket != nil {
demuxer.OnTSPacket(&pkg)
}
_, err := io.ReadFull(r, buf)
if err != nil {
if errors.Is(err, io.EOF) {
break
} else {
return errNeedMore
}
}
}
demuxer.flush()
return nil
}
func (demuxer *TSDemuxer) flush() {
for _, pm := range demuxer.programs {
for _, stream := range pm.streams {
if stream.pkg == nil || len(stream.pkg.payload) == 0 {
continue
}
if demuxer.OnFrame != nil {
demuxer.OnFrame(stream.cid, stream.pkg.payload, stream.pkg.pts/90, stream.pkg.dts/90)
}
}
}
for _, pm := range demuxer.programs {
for _, stream := range pm.streams {
if stream.pkg == nil || len(stream.pkg.payload) == 0 {
continue
}
if demuxer.OnFrame != nil {
demuxer.OnFrame(stream.cid, stream.pkg.payload, stream.pkg.pts/90, stream.pkg.dts/90)
}
}
}
}
func (demuxer *TSDemuxer) doVideoPesPacket(stream *tsstream, start uint8) {
if stream.cid != TS_STREAM_H264 && stream.cid != TS_STREAM_H265 {
return
}
if stream.pkg == nil {
stream.pkg = newPacket_t(1024)
stream.pkg.pts = stream.pes_pkg.Pts
stream.pkg.dts = stream.pes_pkg.Dts
}
stream.pkg.payload = append(stream.pkg.payload, stream.pes_pkg.Pes_payload...)
demuxer.splitH26XFrame(stream)
stream.pkg.pts = stream.pes_pkg.Pts
stream.pkg.dts = stream.pes_pkg.Dts
if stream.cid != TS_STREAM_H264 && stream.cid != TS_STREAM_H265 {
return
}
if stream.pkg == nil {
stream.pkg = newPacket_t(1024)
stream.pkg.pts = stream.pes_pkg.Pts
stream.pkg.dts = stream.pes_pkg.Dts
}
stream.pkg.payload = append(stream.pkg.payload, stream.pes_pkg.Pes_payload...)
demuxer.splitH26XFrame(stream)
stream.pkg.pts = stream.pes_pkg.Pts
stream.pkg.dts = stream.pes_pkg.Dts
}
func (demuxer *TSDemuxer) doAudioPesPacket(stream *tsstream, start uint8) {
if stream.cid != TS_STREAM_AAC {
return
}
if stream.cid != TS_STREAM_AAC {
return
}
if stream.pkg == nil {
stream.pkg = newPacket_t(1024)
stream.pkg.pts = stream.pes_pkg.Pts
stream.pkg.dts = stream.pes_pkg.Dts
}
if stream.pkg == nil {
stream.pkg = newPacket_t(1024)
stream.pkg.pts = stream.pes_pkg.Pts
stream.pkg.dts = stream.pes_pkg.Dts
}
if len(stream.pkg.payload) > 0 && (start == 1 || stream.pes_pkg.Pts != stream.pkg.pts) {
if demuxer.OnFrame != nil {
demuxer.OnFrame(stream.cid, stream.pkg.payload, stream.pkg.pts/90, stream.pkg.dts/90)
}
stream.pkg.payload = stream.pkg.payload[:0]
}
stream.pkg.payload = append(stream.pkg.payload, stream.pes_pkg.Pes_payload...)
stream.pkg.pts = stream.pes_pkg.Pts
stream.pkg.dts = stream.pes_pkg.Dts
if len(stream.pkg.payload) > 0 && (start == 1 || stream.pes_pkg.Pts != stream.pkg.pts) {
if demuxer.OnFrame != nil {
demuxer.OnFrame(stream.cid, stream.pkg.payload, stream.pkg.pts/90, stream.pkg.dts/90)
}
stream.pkg.payload = stream.pkg.payload[:0]
}
stream.pkg.payload = append(stream.pkg.payload, stream.pes_pkg.Pes_payload...)
stream.pkg.pts = stream.pes_pkg.Pts
stream.pkg.dts = stream.pes_pkg.Dts
}
func (demuxer *TSDemuxer) splitH26XFrame(stream *tsstream) {
data := stream.pkg.payload
start, _ := codec.FindStartCode(data, 0)
datalen := len(data)
for start < datalen {
end, _ := codec.FindStartCode(data, start+3)
if end < 0 {
break
}
if (stream.cid == TS_STREAM_H264 && codec.H264NaluTypeWithoutStartCode(data[start:end]) == codec.H264_NAL_AUD) ||
(stream.cid == TS_STREAM_H265 && codec.H265NaluTypeWithoutStartCode(data[start:end]) == codec.H265_NAL_AUD) {
start = end
continue
}
if demuxer.OnFrame != nil {
demuxer.OnFrame(stream.cid, data[start:end], stream.pkg.pts/90, stream.pkg.dts/90)
}
start = end
}
if start == 0 {
return
}
copy(stream.pkg.payload, data[start:datalen])
stream.pkg.payload = stream.pkg.payload[0 : datalen-start]
data := stream.pkg.payload
start, _ := codec.FindStartCode(data, 0)
datalen := len(data)
for start < datalen {
end, _ := codec.FindStartCode(data, start+3)
if end < 0 {
break
}
if (stream.cid == TS_STREAM_H264 && codec.H264NaluTypeWithoutStartCode(data[start:end]) == codec.H264_NAL_AUD) ||
(stream.cid == TS_STREAM_H265 && codec.H265NaluTypeWithoutStartCode(data[start:end]) == codec.H265_NAL_AUD) {
start = end
continue
}
if demuxer.OnFrame != nil {
demuxer.OnFrame(stream.cid, data[start:end], stream.pkg.pts/90, stream.pkg.dts/90)
}
start = end
}
if start == 0 {
return
}
copy(stream.pkg.payload, data[start:datalen])
stream.pkg.payload = stream.pkg.payload[0 : datalen-start]
}

548
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/mpeg2/ts-muxer.go generated vendored
View file

@ -1,93 +1,93 @@
package mpeg2
import (
"errors"
"errors"
"github.com/yapingcat/gomedia/codec"
"github.com/yapingcat/gomedia/codec"
)
type pes_stream struct {
pid uint16
cc uint8
streamtype TS_STREAM_TYPE
pid uint16
cc uint8
streamtype TS_STREAM_TYPE
}
func NewPESStream(pid uint16, cid TS_STREAM_TYPE) *pes_stream {
return &pes_stream{
pid: pid,
cc: 0,
streamtype: cid,
}
return &pes_stream{
pid: pid,
cc: 0,
streamtype: cid,
}
}
type table_pmt struct {
pid uint16
cc uint8
pcr_pid uint16
version_number uint8
pm uint16
streams []*pes_stream
pid uint16
cc uint8
pcr_pid uint16
version_number uint8
pm uint16
streams []*pes_stream
}
func NewTablePmt() *table_pmt {
return &table_pmt{
pid: 0,
cc: 0,
pcr_pid: 0,
version_number: 0,
pm: 0,
streams: make([]*pes_stream, 0, 2),
}
return &table_pmt{
pid: 0,
cc: 0,
pcr_pid: 0,
version_number: 0,
pm: 0,
streams: make([]*pes_stream, 0, 2),
}
}
type table_pat struct {
cc uint8
version_number uint8
pmts []*table_pmt
cc uint8
version_number uint8
pmts []*table_pmt
}
func NewTablePat() *table_pat {
return &table_pat{
cc: 0,
version_number: 0,
pmts: make([]*table_pmt, 0, 8),
}
return &table_pat{
cc: 0,
version_number: 0,
pmts: make([]*table_pmt, 0, 8),
}
}
type TSMuxer struct {
pat *table_pat
stream_pid uint16
pmt_pid uint16
pat_period uint64
OnPacket func(pkg []byte)
pat *table_pat
stream_pid uint16
pmt_pid uint16
pat_period uint64
OnPacket func(pkg []byte)
}
func NewTSMuxer() *TSMuxer {
return &TSMuxer{
pat: NewTablePat(),
stream_pid: 0x100,
pmt_pid: 0x200,
pat_period: 0,
OnPacket: nil,
}
return &TSMuxer{
pat: NewTablePat(),
stream_pid: 0x100,
pmt_pid: 0x200,
pat_period: 0,
OnPacket: nil,
}
}
func (mux *TSMuxer) AddStream(cid TS_STREAM_TYPE) uint16 {
if mux.pat == nil {
mux.pat = NewTablePat()
}
if len(mux.pat.pmts) == 0 {
tmppmt := NewTablePmt()
tmppmt.pid = mux.pmt_pid
tmppmt.pm = 1
mux.pmt_pid++
mux.pat.pmts = append(mux.pat.pmts, tmppmt)
}
sid := mux.stream_pid
tmpstream := NewPESStream(sid, cid)
mux.stream_pid++
mux.pat.pmts[0].streams = append(mux.pat.pmts[0].streams, tmpstream)
return sid
if mux.pat == nil {
mux.pat = NewTablePat()
}
if len(mux.pat.pmts) == 0 {
tmppmt := NewTablePmt()
tmppmt.pid = mux.pmt_pid
tmppmt.pm = 1
mux.pmt_pid++
mux.pat.pmts = append(mux.pat.pmts, tmppmt)
}
sid := mux.stream_pid
tmpstream := NewPESStream(sid, cid)
mux.stream_pid++
mux.pat.pmts[0].streams = append(mux.pat.pmts[0].streams, tmpstream)
return sid
}
/// Muxer audio/video stream data
@ -95,239 +95,239 @@ func (mux *TSMuxer) AddStream(cid TS_STREAM_TYPE) uint16 {
/// pts: audio/video stream timestamp in ms
/// dts: audio/video stream timestamp in ms
func (mux *TSMuxer) Write(pid uint16, data []byte, pts uint64, dts uint64) error {
var whichpmt *table_pmt = nil
var whichstream *pes_stream = nil
for _, pmt := range mux.pat.pmts {
for _, stream := range pmt.streams {
if stream.pid == pid {
whichpmt = pmt
whichstream = stream
break
}
}
}
if whichpmt == nil || whichstream == nil {
return errors.New("not Found pid stream")
}
if whichpmt.pcr_pid == 0 || (findPESIDByStreamType(whichstream.streamtype) == PES_STREAM_VIDEO && whichpmt.pcr_pid != pid) {
whichpmt.pcr_pid = pid
}
var whichpmt *table_pmt = nil
var whichstream *pes_stream = nil
for _, pmt := range mux.pat.pmts {
for _, stream := range pmt.streams {
if stream.pid == pid {
whichpmt = pmt
whichstream = stream
break
}
}
}
if whichpmt == nil || whichstream == nil {
return errors.New("not Found pid stream")
}
if whichpmt.pcr_pid == 0 || (findPESIDByStreamType(whichstream.streamtype) == PES_STREAM_VIDEO && whichpmt.pcr_pid != pid) {
whichpmt.pcr_pid = pid
}
var withaud bool = false
var withaud bool = false
if whichstream.streamtype == TS_STREAM_H264 || whichstream.streamtype == TS_STREAM_H265 {
codec.SplitFrame(data, func(nalu []byte) bool {
if whichstream.streamtype == TS_STREAM_H264 {
nalu_type := codec.H264NaluTypeWithoutStartCode(nalu)
if nalu_type == codec.H264_NAL_AUD {
withaud = true
return false
} else if codec.IsH264VCLNaluType(nalu_type) {
return false
}
return true
} else {
nalu_type := codec.H265NaluTypeWithoutStartCode(nalu)
if nalu_type == codec.H265_NAL_AUD {
withaud = true
return false
} else if codec.IsH265VCLNaluType(nalu_type) {
return false
}
return true
}
})
}
if whichstream.streamtype == TS_STREAM_H264 || whichstream.streamtype == TS_STREAM_H265 {
codec.SplitFrame(data, func(nalu []byte) bool {
if whichstream.streamtype == TS_STREAM_H264 {
nalu_type := codec.H264NaluTypeWithoutStartCode(nalu)
if nalu_type == codec.H264_NAL_AUD {
withaud = true
return false
} else if codec.IsH264VCLNaluType(nalu_type) {
return false
}
return true
} else {
nalu_type := codec.H265NaluTypeWithoutStartCode(nalu)
if nalu_type == codec.H265_NAL_AUD {
withaud = true
return false
} else if codec.IsH265VCLNaluType(nalu_type) {
return false
}
return true
}
})
}
if mux.pat_period == 0 || mux.pat_period+400 < dts {
mux.pat_period = dts
if mux.pat_period == 0 {
mux.pat_period = 1 //avoid write pat twice
}
tmppat := NewPat()
tmppat.Version_number = mux.pat.version_number
for _, pmt := range mux.pat.pmts {
tmppm := PmtPair{
Program_number: pmt.pm,
PID: pmt.pid,
}
tmppat.Pmts = append(tmppat.Pmts, tmppm)
}
mux.writePat(tmppat)
if mux.pat_period == 0 || mux.pat_period+400 < dts {
mux.pat_period = dts
if mux.pat_period == 0 {
mux.pat_period = 1 //avoid write pat twice
}
tmppat := NewPat()
tmppat.Version_number = mux.pat.version_number
for _, pmt := range mux.pat.pmts {
tmppm := PmtPair{
Program_number: pmt.pm,
PID: pmt.pid,
}
tmppat.Pmts = append(tmppat.Pmts, tmppm)
}
mux.writePat(tmppat)
for _, pmt := range mux.pat.pmts {
tmppmt := NewPmt()
tmppmt.Program_number = pmt.pm
tmppmt.Version_number = pmt.version_number
tmppmt.PCR_PID = pmt.pcr_pid
for _, stream := range pmt.streams {
var sp StreamPair
sp.StreamType = uint8(stream.streamtype)
sp.Elementary_PID = stream.pid
sp.ES_Info_Length = 0
tmppmt.Streams = append(tmppmt.Streams, sp)
}
mux.writePmt(tmppmt, pmt)
}
}
for _, pmt := range mux.pat.pmts {
tmppmt := NewPmt()
tmppmt.Program_number = pmt.pm
tmppmt.Version_number = pmt.version_number
tmppmt.PCR_PID = pmt.pcr_pid
for _, stream := range pmt.streams {
var sp StreamPair
sp.StreamType = uint8(stream.streamtype)
sp.Elementary_PID = stream.pid
sp.ES_Info_Length = 0
tmppmt.Streams = append(tmppmt.Streams, sp)
}
mux.writePmt(tmppmt, pmt)
}
}
flag := false
switch whichstream.streamtype {
case TS_STREAM_H264:
flag = codec.IsH264IDRFrame(data)
case TS_STREAM_H265:
flag = codec.IsH265IDRFrame(data)
}
flag := false
switch whichstream.streamtype {
case TS_STREAM_H264:
flag = codec.IsH264IDRFrame(data)
case TS_STREAM_H265:
flag = codec.IsH265IDRFrame(data)
}
mux.writePES(whichstream, whichpmt, data, pts*90, dts*90, flag, withaud)
return nil
mux.writePES(whichstream, whichpmt, data, pts*90, dts*90, flag, withaud)
return nil
}
func (mux *TSMuxer) writePat(pat *Pat) {
var tshdr TSPacket
tshdr.Payload_unit_start_indicator = 1
tshdr.PID = 0
tshdr.Adaptation_field_control = 0x01
tshdr.Continuity_counter = mux.pat.cc
mux.pat.cc++
mux.pat.cc = (mux.pat.cc + 1) % 16
bsw := codec.NewBitStreamWriter(TS_PAKCET_SIZE)
tshdr.EncodeHeader(bsw)
bsw.PutByte(0x00) //pointer
pat.Encode(bsw)
bsw.FillRemainData(0xff)
if mux.OnPacket != nil {
mux.OnPacket(bsw.Bits())
}
var tshdr TSPacket
tshdr.Payload_unit_start_indicator = 1
tshdr.PID = 0
tshdr.Adaptation_field_control = 0x01
tshdr.Continuity_counter = mux.pat.cc
mux.pat.cc++
mux.pat.cc = (mux.pat.cc + 1) % 16
bsw := codec.NewBitStreamWriter(TS_PAKCET_SIZE)
tshdr.EncodeHeader(bsw)
bsw.PutByte(0x00) //pointer
pat.Encode(bsw)
bsw.FillRemainData(0xff)
if mux.OnPacket != nil {
mux.OnPacket(bsw.Bits())
}
}
func (mux *TSMuxer) writePmt(pmt *Pmt, t_pmt *table_pmt) {
var tshdr TSPacket
tshdr.Payload_unit_start_indicator = 1
tshdr.PID = t_pmt.pid
tshdr.Adaptation_field_control = 0x01
tshdr.Continuity_counter = t_pmt.cc
t_pmt.cc = (t_pmt.cc + 1) % 16
bsw := codec.NewBitStreamWriter(TS_PAKCET_SIZE)
tshdr.EncodeHeader(bsw)
bsw.PutByte(0x00) //pointer
pmt.Encode(bsw)
bsw.FillRemainData(0xff)
if mux.OnPacket != nil {
mux.OnPacket(bsw.Bits())
}
var tshdr TSPacket
tshdr.Payload_unit_start_indicator = 1
tshdr.PID = t_pmt.pid
tshdr.Adaptation_field_control = 0x01
tshdr.Continuity_counter = t_pmt.cc
t_pmt.cc = (t_pmt.cc + 1) % 16
bsw := codec.NewBitStreamWriter(TS_PAKCET_SIZE)
tshdr.EncodeHeader(bsw)
bsw.PutByte(0x00) //pointer
pmt.Encode(bsw)
bsw.FillRemainData(0xff)
if mux.OnPacket != nil {
mux.OnPacket(bsw.Bits())
}
}
func (mux *TSMuxer) writePES(pes *pes_stream, pmt *table_pmt, data []byte, pts uint64, dts uint64, idr_flag bool, withaud bool) {
var firstPesPacket bool = true
bsw := codec.NewBitStreamWriter(TS_PAKCET_SIZE)
for {
bsw.Reset()
var tshdr TSPacket
if firstPesPacket {
tshdr.Payload_unit_start_indicator = 1
}
tshdr.PID = pes.pid
tshdr.Adaptation_field_control = 0x01
tshdr.Continuity_counter = pes.cc
headlen := 4
pes.cc = (pes.cc + 1) % 16
var adaptation *Adaptation_field = nil
if firstPesPacket && idr_flag {
adaptation = new(Adaptation_field)
tshdr.Adaptation_field_control = tshdr.Adaptation_field_control | 0x20
adaptation.Random_access_indicator = 1
headlen += 2
}
var firstPesPacket bool = true
bsw := codec.NewBitStreamWriter(TS_PAKCET_SIZE)
for {
bsw.Reset()
var tshdr TSPacket
if firstPesPacket {
tshdr.Payload_unit_start_indicator = 1
}
tshdr.PID = pes.pid
tshdr.Adaptation_field_control = 0x01
tshdr.Continuity_counter = pes.cc
headlen := 4
pes.cc = (pes.cc + 1) % 16
var adaptation *Adaptation_field = nil
if firstPesPacket && idr_flag {
adaptation = new(Adaptation_field)
tshdr.Adaptation_field_control = tshdr.Adaptation_field_control | 0x20
adaptation.Random_access_indicator = 1
headlen += 2
}
if firstPesPacket && pes.pid == pmt.pcr_pid {
if adaptation == nil {
adaptation = new(Adaptation_field)
headlen += 2
}
tshdr.Adaptation_field_control = tshdr.Adaptation_field_control | 0x20
adaptation.PCR_flag = 1
var pcr_base uint64 = 0
var pcr_ext uint16 = 0
if dts == 0 {
pcr_base = pts * 300 / 300
pcr_ext = uint16(pts * 300 % 300)
} else {
pcr_base = dts * 300 / 300
pcr_ext = uint16(dts * 300 % 300)
}
adaptation.Program_clock_reference_base = pcr_base
adaptation.Program_clock_reference_extension = pcr_ext
headlen += 6
}
if firstPesPacket && pes.pid == pmt.pcr_pid {
if adaptation == nil {
adaptation = new(Adaptation_field)
headlen += 2
}
tshdr.Adaptation_field_control = tshdr.Adaptation_field_control | 0x20
adaptation.PCR_flag = 1
var pcr_base uint64 = 0
var pcr_ext uint16 = 0
if dts == 0 {
pcr_base = pts * 300 / 300
pcr_ext = uint16(pts * 300 % 300)
} else {
pcr_base = dts * 300 / 300
pcr_ext = uint16(dts * 300 % 300)
}
adaptation.Program_clock_reference_base = pcr_base
adaptation.Program_clock_reference_extension = pcr_ext
headlen += 6
}
var payload []byte
var pespkg *PesPacket = nil
if firstPesPacket {
oldheadlen := headlen
headlen += 19
if !withaud && pes.streamtype == TS_STREAM_H264 {
headlen += 6
payload = append(payload, H264_AUD_NALU...)
} else if !withaud && pes.streamtype == TS_STREAM_H265 {
payload = append(payload, H265_AUD_NALU...)
headlen += 7
}
pespkg = NewPesPacket()
pespkg.PTS_DTS_flags = 0x03
pespkg.PES_header_data_length = 10
pespkg.Pts = pts
pespkg.Dts = dts
pespkg.Stream_id = uint8(findPESIDByStreamType(pes.streamtype))
if idr_flag {
pespkg.Data_alignment_indicator = 1
}
if headlen-oldheadlen-6+len(data) > 0xFFFF {
pespkg.PES_packet_length = 0
} else {
pespkg.PES_packet_length = uint16(len(data) + headlen - oldheadlen - 6)
}
var payload []byte
var pespkg *PesPacket = nil
if firstPesPacket {
oldheadlen := headlen
headlen += 19
if !withaud && pes.streamtype == TS_STREAM_H264 {
headlen += 6
payload = append(payload, H264_AUD_NALU...)
} else if !withaud && pes.streamtype == TS_STREAM_H265 {
payload = append(payload, H265_AUD_NALU...)
headlen += 7
}
pespkg = NewPesPacket()
pespkg.PTS_DTS_flags = 0x03
pespkg.PES_header_data_length = 10
pespkg.Pts = pts
pespkg.Dts = dts
pespkg.Stream_id = uint8(findPESIDByStreamType(pes.streamtype))
if idr_flag {
pespkg.Data_alignment_indicator = 1
}
if headlen-oldheadlen-6+len(data) > 0xFFFF {
pespkg.PES_packet_length = 0
} else {
pespkg.PES_packet_length = uint16(len(data) + headlen - oldheadlen - 6)
}
}
}
if len(data)+headlen < TS_PAKCET_SIZE {
if adaptation == nil {
adaptation = new(Adaptation_field)
headlen += 1
if TS_PAKCET_SIZE-len(data)-headlen >= 1 {
headlen += 1
} else {
adaptation.SingleStuffingByte = true
}
}
adaptation.Stuffing_byte = uint8(TS_PAKCET_SIZE - len(data) - headlen)
payload = append(payload, data...)
data = data[:0]
} else {
payload = append(payload, data[0:TS_PAKCET_SIZE-headlen]...)
data = data[TS_PAKCET_SIZE-headlen:]
}
if len(data)+headlen < TS_PAKCET_SIZE {
if adaptation == nil {
adaptation = new(Adaptation_field)
headlen += 1
if TS_PAKCET_SIZE-len(data)-headlen >= 1 {
headlen += 1
} else {
adaptation.SingleStuffingByte = true
}
}
adaptation.Stuffing_byte = uint8(TS_PAKCET_SIZE - len(data) - headlen)
payload = append(payload, data...)
data = data[:0]
} else {
payload = append(payload, data[0:TS_PAKCET_SIZE-headlen]...)
data = data[TS_PAKCET_SIZE-headlen:]
}
if adaptation != nil {
tshdr.Field = adaptation
tshdr.Adaptation_field_control |= 0x02
}
tshdr.EncodeHeader(bsw)
if pespkg != nil {
pespkg.Pes_payload = payload
pespkg.Encode(bsw)
} else {
bsw.PutBytes(payload)
}
firstPesPacket = false
if mux.OnPacket != nil {
if len(bsw.Bits()) != TS_PAKCET_SIZE {
panic("packet ts packet failed")
}
mux.OnPacket(bsw.Bits())
}
if len(data) == 0 {
break
}
}
if adaptation != nil {
tshdr.Field = adaptation
tshdr.Adaptation_field_control |= 0x02
}
tshdr.EncodeHeader(bsw)
if pespkg != nil {
pespkg.Pes_payload = payload
pespkg.Encode(bsw)
} else {
bsw.PutBytes(payload)
}
firstPesPacket = false
if mux.OnPacket != nil {
if len(bsw.Bits()) != TS_PAKCET_SIZE {
panic("packet ts packet failed")
}
mux.OnPacket(bsw.Bits())
}
if len(data) == 0 {
break
}
}
}

864
trunk/3rdparty/srs-bench/vendor/github.com/yapingcat/gomedia/mpeg2/ts-proto.go generated vendored
View file

@ -1,50 +1,50 @@
package mpeg2
import (
"encoding/binary"
"errors"
"fmt"
"os"
"encoding/binary"
"errors"
"fmt"
"os"
"github.com/yapingcat/gomedia/codec"
"github.com/yapingcat/gomedia/codec"
)
//PID
type TS_PID int
const (
TS_PID_PAT TS_PID = 0x0000
TS_PID_CAT
TS_PID_TSDT
TS_PID_IPMP
TS_PID_Nil = 0x1FFFF
TS_PID_PAT TS_PID = 0x0000
TS_PID_CAT
TS_PID_TSDT
TS_PID_IPMP
TS_PID_Nil = 0x1FFFF
)
//Table id
type PAT_TID int
const (
TS_TID_PAS PAT_TID = 0x00 // program_association_section
TS_TID_CAS = 0x01 // conditional_access_section(CA_section)
TS_TID_PMS = 0x02 // TS_program_map_section
TS_TID_SDS = 0x03 //TS_description_section
TS_TID_FORBIDDEN PAT_TID = 0xFF
TS_TID_PAS PAT_TID = 0x00 // program_association_section
TS_TID_CAS = 0x01 // conditional_access_section(CA_section)
TS_TID_PMS = 0x02 // TS_program_map_section
TS_TID_SDS = 0x03 //TS_description_section
TS_TID_FORBIDDEN PAT_TID = 0xFF
)
type TS_STREAM_TYPE int
const (
TS_STREAM_AAC TS_STREAM_TYPE = 0x0F
TS_STREAM_H264 TS_STREAM_TYPE = 0x1B
TS_STREAM_H265 TS_STREAM_TYPE = 0x24
TS_STREAM_AAC TS_STREAM_TYPE = 0x0F
TS_STREAM_H264 TS_STREAM_TYPE = 0x1B
TS_STREAM_H265 TS_STREAM_TYPE = 0x24
)
const (
TS_PAKCET_SIZE = 188
TS_PAKCET_SIZE = 188
)
type Display interface {
PrettyPrint(file *os.File)
PrettyPrint(file *os.File)
}
// transport_packet(){
@ -67,63 +67,63 @@ type Display interface {
// }
type TSPacket struct {
Transport_error_indicator uint8
Payload_unit_start_indicator uint8
Transport_priority uint8
PID uint16
Transport_scrambling_control uint8
Adaptation_field_control uint8
Continuity_counter uint8
Field *Adaptation_field
Payload interface{}
Transport_error_indicator uint8
Payload_unit_start_indicator uint8
Transport_priority uint8
PID uint16
Transport_scrambling_control uint8
Adaptation_field_control uint8
Continuity_counter uint8
Field *Adaptation_field
Payload interface{}
}
func (pkg *TSPacket) PrettyPrint(file *os.File) {
file.WriteString(fmt.Sprintf("Transport_error_indicator:%d\n", pkg.Transport_error_indicator))
file.WriteString(fmt.Sprintf("Payload_unit_start_indicator:%d\n", pkg.Payload_unit_start_indicator))
file.WriteString(fmt.Sprintf("Transport_priority:%d\n", pkg.Transport_priority))
file.WriteString(fmt.Sprintf("PID:%d\n", pkg.PID))
file.WriteString(fmt.Sprintf("Transport_scrambling_control:%d\n", pkg.Transport_scrambling_control))
file.WriteString(fmt.Sprintf("Adaptation_field_control:%d\n", pkg.Adaptation_field_control))
file.WriteString(fmt.Sprintf("Continuity_counter:%d\n", pkg.Continuity_counter))
file.WriteString(fmt.Sprintf("Transport_error_indicator:%d\n", pkg.Transport_error_indicator))
file.WriteString(fmt.Sprintf("Payload_unit_start_indicator:%d\n", pkg.Payload_unit_start_indicator))
file.WriteString(fmt.Sprintf("Transport_priority:%d\n", pkg.Transport_priority))
file.WriteString(fmt.Sprintf("PID:%d\n", pkg.PID))
file.WriteString(fmt.Sprintf("Transport_scrambling_control:%d\n", pkg.Transport_scrambling_control))
file.WriteString(fmt.Sprintf("Adaptation_field_control:%d\n", pkg.Adaptation_field_control))
file.WriteString(fmt.Sprintf("Continuity_counter:%d\n", pkg.Continuity_counter))
}
func (pkg *TSPacket) EncodeHeader(bsw *codec.BitStreamWriter) {
bsw.PutByte(0x47)
bsw.PutUint8(pkg.Transport_error_indicator, 1)
bsw.PutUint8(pkg.Payload_unit_start_indicator, 1)
bsw.PutUint8(pkg.Transport_priority, 1)
bsw.PutUint16(pkg.PID, 13)
bsw.PutUint8(pkg.Transport_scrambling_control, 2)
bsw.PutUint8(pkg.Adaptation_field_control, 2)
bsw.PutUint8(pkg.Continuity_counter, 4)
if pkg.Field != nil && (pkg.Adaptation_field_control&0x02) != 0 {
pkg.Field.Encode(bsw)
}
bsw.PutByte(0x47)
bsw.PutUint8(pkg.Transport_error_indicator, 1)
bsw.PutUint8(pkg.Payload_unit_start_indicator, 1)
bsw.PutUint8(pkg.Transport_priority, 1)
bsw.PutUint16(pkg.PID, 13)
bsw.PutUint8(pkg.Transport_scrambling_control, 2)
bsw.PutUint8(pkg.Adaptation_field_control, 2)
bsw.PutUint8(pkg.Continuity_counter, 4)
if pkg.Field != nil && (pkg.Adaptation_field_control&0x02) != 0 {
pkg.Field.Encode(bsw)
}
}
func (pkg *TSPacket) DecodeHeader(bs *codec.BitStream) error {
sync_byte := bs.Uint8(8)
if sync_byte != 0x47 {
return errors.New("ts packet must start with 0x47")
}
pkg.Transport_error_indicator = bs.GetBit()
pkg.Payload_unit_start_indicator = bs.GetBit()
pkg.Transport_priority = bs.GetBit()
pkg.PID = bs.Uint16(13)
pkg.Transport_scrambling_control = bs.Uint8(2)
pkg.Adaptation_field_control = bs.Uint8(2)
pkg.Continuity_counter = bs.Uint8(4)
if pkg.Adaptation_field_control == 0x02 || pkg.Adaptation_field_control == 0x03 {
if pkg.Field == nil {
pkg.Field = new(Adaptation_field)
}
err := pkg.Field.Decode(bs)
if err != nil {
return err
}
}
return nil
sync_byte := bs.Uint8(8)
if sync_byte != 0x47 {
return errors.New("ts packet must start with 0x47")
}
pkg.Transport_error_indicator = bs.GetBit()
pkg.Payload_unit_start_indicator = bs.GetBit()
pkg.Transport_priority = bs.GetBit()
pkg.PID = bs.Uint16(13)
pkg.Transport_scrambling_control = bs.Uint8(2)
pkg.Adaptation_field_control = bs.Uint8(2)
pkg.Continuity_counter = bs.Uint8(4)
if pkg.Adaptation_field_control == 0x02 || pkg.Adaptation_field_control == 0x03 {
if pkg.Field == nil {
pkg.Field = new(Adaptation_field)
}
err := pkg.Field.Decode(bs)
if err != nil {
return err
}
}
return nil
}
//
@ -189,414 +189,414 @@ func (pkg *TSPacket) DecodeHeader(bs *codec.BitStream) error {
// }
type Adaptation_field struct {
SingleStuffingByte bool // The value 0 is for inserting a single stuffing byte in a Transport Stream packet
Adaptation_field_length uint8 //8 uimsbf
Discontinuity_indicator uint8 //1 bslbf
Random_access_indicator uint8 //1 bslbf
Elementary_stream_priority_indicator uint8 //1 bslbf
PCR_flag uint8 //1 bslbf
OPCR_flag uint8 //1 bslbf
Splicing_point_flag uint8 //1 bslbf
Transport_private_data_flag uint8 //1 bslbf
Adaptation_field_extension_flag uint8 //1 bslbf
Program_clock_reference_base uint64 //33 uimsbf
Program_clock_reference_extension uint16 //9 uimsbf
Original_program_clock_reference_base uint64 //33 uimsbf
Original_program_clock_reference_extension uint16 //9 uimsbf
Splice_countdown uint8 //8 uimsbf
Transport_private_data_length uint8 //8 uimsbf
Adaptation_field_extension_length uint8 //8 uimsbf
Ltw_flag uint8 //1 bslbf
Piecewise_rate_flag uint8 //1 bslbf
Seamless_splice_flag uint8 //1 bslbf
Ltw_valid_flag uint8 //1 bslbf
Ltw_offset uint16 //15 uimsbf
Piecewise_rate uint32 //22 uimsbf
Splice_type uint8 //4 uimsbf
DTS_next_AU uint64
Stuffing_byte uint8
SingleStuffingByte bool // The value 0 is for inserting a single stuffing byte in a Transport Stream packet
Adaptation_field_length uint8 //8 uimsbf
Discontinuity_indicator uint8 //1 bslbf
Random_access_indicator uint8 //1 bslbf
Elementary_stream_priority_indicator uint8 //1 bslbf
PCR_flag uint8 //1 bslbf
OPCR_flag uint8 //1 bslbf
Splicing_point_flag uint8 //1 bslbf
Transport_private_data_flag uint8 //1 bslbf
Adaptation_field_extension_flag uint8 //1 bslbf
Program_clock_reference_base uint64 //33 uimsbf
Program_clock_reference_extension uint16 //9 uimsbf
Original_program_clock_reference_base uint64 //33 uimsbf
Original_program_clock_reference_extension uint16 //9 uimsbf
Splice_countdown uint8 //8 uimsbf
Transport_private_data_length uint8 //8 uimsbf
Adaptation_field_extension_length uint8 //8 uimsbf
Ltw_flag uint8 //1 bslbf
Piecewise_rate_flag uint8 //1 bslbf
Seamless_splice_flag uint8 //1 bslbf
Ltw_valid_flag uint8 //1 bslbf
Ltw_offset uint16 //15 uimsbf
Piecewise_rate uint32 //22 uimsbf
Splice_type uint8 //4 uimsbf
DTS_next_AU uint64
Stuffing_byte uint8
}
func (adaptation *Adaptation_field) PrettyPrint(file *os.File) {
file.WriteString(fmt.Sprintf("Adaptation_field_length:%d\n", adaptation.Adaptation_field_length))
file.WriteString(fmt.Sprintf("Discontinuity_indicator:%d\n", adaptation.Discontinuity_indicator))
file.WriteString(fmt.Sprintf("Random_access_indicator:%d\n", adaptation.Random_access_indicator))
file.WriteString(fmt.Sprintf("Elementary_stream_priority_indicator:%d\n", adaptation.Elementary_stream_priority_indicator))
file.WriteString(fmt.Sprintf("PCR_flag:%d\n", adaptation.PCR_flag))
file.WriteString(fmt.Sprintf("OPCR_flag:%d\n", adaptation.OPCR_flag))
file.WriteString(fmt.Sprintf("Splicing_point_flag:%d\n", adaptation.Splicing_point_flag))
file.WriteString(fmt.Sprintf("Transport_private_data_flag:%d\n", adaptation.Transport_private_data_flag))
file.WriteString(fmt.Sprintf("Adaptation_field_extension_flag:%d\n", adaptation.Adaptation_field_extension_flag))
if adaptation.PCR_flag == 1 {
file.WriteString(fmt.Sprintf("Program_clock_reference_base:%d\n", adaptation.Program_clock_reference_base))
file.WriteString(fmt.Sprintf("Program_clock_reference_extension:%d\n", adaptation.Program_clock_reference_extension))
}
if adaptation.OPCR_flag == 1 {
file.WriteString(fmt.Sprintf("Original_program_clock_reference_base:%d\n", adaptation.Original_program_clock_reference_base))
file.WriteString(fmt.Sprintf("Original_program_clock_reference_extension:%d\n", adaptation.Original_program_clock_reference_extension))
}
if adaptation.Splicing_point_flag == 1 {
file.WriteString(fmt.Sprintf("Splice_countdown:%d\n", adaptation.Splice_countdown))
}
if adaptation.Transport_private_data_flag == 1 {
file.WriteString(fmt.Sprintf("Transport_private_data_length:%d\n", adaptation.Transport_private_data_length))
}
if adaptation.Adaptation_field_extension_flag == 1 {
file.WriteString(fmt.Sprintf("Adaptation_field_extension_length:%d\n", adaptation.Adaptation_field_extension_length))
file.WriteString(fmt.Sprintf("Ltw_flag:%d\n", adaptation.Ltw_flag))
file.WriteString(fmt.Sprintf("Piecewise_rate_flag:%d\n", adaptation.Piecewise_rate_flag))
file.WriteString(fmt.Sprintf("Seamless_splice_flag:%d\n", adaptation.Seamless_splice_flag))
if adaptation.Ltw_flag == 1 {
file.WriteString(fmt.Sprintf("Ltw_valid_flag:%d\n", adaptation.Ltw_valid_flag))
file.WriteString(fmt.Sprintf("Ltw_offset:%d\n", adaptation.Ltw_offset))
}
if adaptation.Piecewise_rate_flag == 1 {
file.WriteString(fmt.Sprintf("Piecewise_rate:%d\n", adaptation.Piecewise_rate))
}
if adaptation.Seamless_splice_flag == 1 {
file.WriteString(fmt.Sprintf("Splice_type:%d\n", adaptation.Splice_type))
file.WriteString(fmt.Sprintf("DTS_next_AU:%d\n", adaptation.DTS_next_AU))
}
}
file.WriteString(fmt.Sprintf("Adaptation_field_length:%d\n", adaptation.Adaptation_field_length))
file.WriteString(fmt.Sprintf("Discontinuity_indicator:%d\n", adaptation.Discontinuity_indicator))
file.WriteString(fmt.Sprintf("Random_access_indicator:%d\n", adaptation.Random_access_indicator))
file.WriteString(fmt.Sprintf("Elementary_stream_priority_indicator:%d\n", adaptation.Elementary_stream_priority_indicator))
file.WriteString(fmt.Sprintf("PCR_flag:%d\n", adaptation.PCR_flag))
file.WriteString(fmt.Sprintf("OPCR_flag:%d\n", adaptation.OPCR_flag))
file.WriteString(fmt.Sprintf("Splicing_point_flag:%d\n", adaptation.Splicing_point_flag))
file.WriteString(fmt.Sprintf("Transport_private_data_flag:%d\n", adaptation.Transport_private_data_flag))
file.WriteString(fmt.Sprintf("Adaptation_field_extension_flag:%d\n", adaptation.Adaptation_field_extension_flag))
if adaptation.PCR_flag == 1 {
file.WriteString(fmt.Sprintf("Program_clock_reference_base:%d\n", adaptation.Program_clock_reference_base))
file.WriteString(fmt.Sprintf("Program_clock_reference_extension:%d\n", adaptation.Program_clock_reference_extension))
}
if adaptation.OPCR_flag == 1 {
file.WriteString(fmt.Sprintf("Original_program_clock_reference_base:%d\n", adaptation.Original_program_clock_reference_base))
file.WriteString(fmt.Sprintf("Original_program_clock_reference_extension:%d\n", adaptation.Original_program_clock_reference_extension))
}
if adaptation.Splicing_point_flag == 1 {
file.WriteString(fmt.Sprintf("Splice_countdown:%d\n", adaptation.Splice_countdown))
}
if adaptation.Transport_private_data_flag == 1 {
file.WriteString(fmt.Sprintf("Transport_private_data_length:%d\n", adaptation.Transport_private_data_length))
}
if adaptation.Adaptation_field_extension_flag == 1 {
file.WriteString(fmt.Sprintf("Adaptation_field_extension_length:%d\n", adaptation.Adaptation_field_extension_length))
file.WriteString(fmt.Sprintf("Ltw_flag:%d\n", adaptation.Ltw_flag))
file.WriteString(fmt.Sprintf("Piecewise_rate_flag:%d\n", adaptation.Piecewise_rate_flag))
file.WriteString(fmt.Sprintf("Seamless_splice_flag:%d\n", adaptation.Seamless_splice_flag))
if adaptation.Ltw_flag == 1 {
file.WriteString(fmt.Sprintf("Ltw_valid_flag:%d\n", adaptation.Ltw_valid_flag))
file.WriteString(fmt.Sprintf("Ltw_offset:%d\n", adaptation.Ltw_offset))
}
if adaptation.Piecewise_rate_flag == 1 {
file.WriteString(fmt.Sprintf("Piecewise_rate:%d\n", adaptation.Piecewise_rate))
}
if adaptation.Seamless_splice_flag == 1 {
file.WriteString(fmt.Sprintf("Splice_type:%d\n", adaptation.Splice_type))
file.WriteString(fmt.Sprintf("DTS_next_AU:%d\n", adaptation.DTS_next_AU))
}
}
}
func (adaptation *Adaptation_field) Encode(bsw *codec.BitStreamWriter) {
loc := bsw.ByteOffset()
bsw.PutUint8(adaptation.Adaptation_field_length, 8)
if adaptation.SingleStuffingByte {
return
}
bsw.Markdot()
bsw.PutUint8(adaptation.Discontinuity_indicator, 1)
bsw.PutUint8(adaptation.Random_access_indicator, 1)
bsw.PutUint8(adaptation.Elementary_stream_priority_indicator, 1)
bsw.PutUint8(adaptation.PCR_flag, 1)
bsw.PutUint8(adaptation.OPCR_flag, 1)
bsw.PutUint8(adaptation.Splicing_point_flag, 1)
bsw.PutUint8(0 /*adaptation.Transport_private_data_flag*/, 1)
bsw.PutUint8(0 /*adaptation.Adaptation_field_extension_flag*/, 1)
if adaptation.PCR_flag == 1 {
bsw.PutUint64(adaptation.Program_clock_reference_base, 33)
bsw.PutUint8(0, 6)
bsw.PutUint16(adaptation.Program_clock_reference_extension, 9)
}
if adaptation.OPCR_flag == 1 {
bsw.PutUint64(adaptation.Original_program_clock_reference_base, 33)
bsw.PutUint8(0, 6)
bsw.PutUint16(adaptation.Original_program_clock_reference_extension, 9)
}
if adaptation.Splicing_point_flag == 1 {
bsw.PutUint8(adaptation.Splice_countdown, 8)
}
//TODO
// if adaptation.Transport_private_data_flag == 0 {
// }
// if adaptation.Adaptation_field_extension_flag == 0 {
// }
adaptation.Adaptation_field_length = uint8(bsw.DistanceFromMarkDot() / 8)
bsw.PutRepetValue(0xff, int(adaptation.Stuffing_byte))
adaptation.Adaptation_field_length += adaptation.Stuffing_byte
bsw.SetByte(adaptation.Adaptation_field_length, loc)
loc := bsw.ByteOffset()
bsw.PutUint8(adaptation.Adaptation_field_length, 8)
if adaptation.SingleStuffingByte {
return
}
bsw.Markdot()
bsw.PutUint8(adaptation.Discontinuity_indicator, 1)
bsw.PutUint8(adaptation.Random_access_indicator, 1)
bsw.PutUint8(adaptation.Elementary_stream_priority_indicator, 1)
bsw.PutUint8(adaptation.PCR_flag, 1)
bsw.PutUint8(adaptation.OPCR_flag, 1)
bsw.PutUint8(adaptation.Splicing_point_flag, 1)
bsw.PutUint8(0 /*adaptation.Transport_private_data_flag*/, 1)
bsw.PutUint8(0 /*adaptation.Adaptation_field_extension_flag*/, 1)
if adaptation.PCR_flag == 1 {
bsw.PutUint64(adaptation.Program_clock_reference_base, 33)
bsw.PutUint8(0, 6)
bsw.PutUint16(adaptation.Program_clock_reference_extension, 9)
}
if adaptation.OPCR_flag == 1 {
bsw.PutUint64(adaptation.Original_program_clock_reference_base, 33)
bsw.PutUint8(0, 6)
bsw.PutUint16(adaptation.Original_program_clock_reference_extension, 9)
}
if adaptation.Splicing_point_flag == 1 {
bsw.PutUint8(adaptation.Splice_countdown, 8)
}
//TODO
// if adaptation.Transport_private_data_flag == 0 {
// }
// if adaptation.Adaptation_field_extension_flag == 0 {
// }
adaptation.Adaptation_field_length = uint8(bsw.DistanceFromMarkDot() / 8)
bsw.PutRepetValue(0xff, int(adaptation.Stuffing_byte))
adaptation.Adaptation_field_length += adaptation.Stuffing_byte
bsw.SetByte(adaptation.Adaptation_field_length, loc)
}
func (adaptation *Adaptation_field) Decode(bs *codec.BitStream) error {
if bs.RemainBytes() < 1 {
return errors.New("len of data < 1 byte")
}
adaptation.Adaptation_field_length = bs.Uint8(8)
startoffset := bs.ByteOffset()
//fmt.Printf("Adaptation_field_length=%d\n", adaptation.Adaptation_field_length)
if bs.RemainBytes() < int(adaptation.Adaptation_field_length) {
return errors.New("len of data < Adaptation_field_length")
}
if adaptation.Adaptation_field_length == 0 {
return nil
}
adaptation.Discontinuity_indicator = bs.GetBit()
adaptation.Random_access_indicator = bs.GetBit()
adaptation.Elementary_stream_priority_indicator = bs.GetBit()
adaptation.PCR_flag = bs.GetBit()
adaptation.OPCR_flag = bs.GetBit()
adaptation.Splicing_point_flag = bs.GetBit()
adaptation.Transport_private_data_flag = bs.GetBit()
adaptation.Adaptation_field_extension_flag = bs.GetBit()
if adaptation.PCR_flag == 1 {
adaptation.Program_clock_reference_base = bs.GetBits(33)
bs.SkipBits(6)
adaptation.Program_clock_reference_extension = uint16(bs.GetBits(9))
}
if adaptation.OPCR_flag == 1 {
adaptation.Original_program_clock_reference_base = bs.GetBits(33)
bs.SkipBits(6)
adaptation.Original_program_clock_reference_extension = uint16(bs.GetBits(9))
}
if adaptation.Splicing_point_flag == 1 {
adaptation.Splice_countdown = bs.Uint8(8)
}
if adaptation.Transport_private_data_flag == 1 {
adaptation.Transport_private_data_length = bs.Uint8(8)
bs.SkipBits(8 * int(adaptation.Transport_private_data_length))
}
if adaptation.Adaptation_field_extension_flag == 1 {
adaptation.Adaptation_field_extension_length = bs.Uint8(8)
bs.Markdot()
adaptation.Ltw_flag = bs.GetBit()
adaptation.Piecewise_rate_flag = bs.GetBit()
adaptation.Seamless_splice_flag = bs.GetBit()
bs.SkipBits(5)
if adaptation.Ltw_flag == 1 {
adaptation.Ltw_valid_flag = bs.GetBit()
adaptation.Ltw_offset = uint16(bs.GetBits(15))
}
if adaptation.Piecewise_rate_flag == 1 {
bs.SkipBits(2)
adaptation.Piecewise_rate = uint32(bs.GetBits(22))
}
if adaptation.Seamless_splice_flag == 1 {
adaptation.Splice_type = uint8(bs.GetBits(4))
adaptation.DTS_next_AU = bs.GetBits(3)
bs.SkipBits(1)
adaptation.DTS_next_AU = adaptation.DTS_next_AU<<15 | bs.GetBits(15)
bs.SkipBits(1)
adaptation.DTS_next_AU = adaptation.DTS_next_AU<<15 | bs.GetBits(15)
bs.SkipBits(1)
}
bitscount := bs.DistanceFromMarkDot()
if bitscount%8 > 0 {
panic("maybe parser ts file failed")
}
bs.SkipBits(int(adaptation.Adaptation_field_extension_length*8 - uint8(bitscount)))
}
endoffset := bs.ByteOffset()
bs.SkipBits((int(adaptation.Adaptation_field_length) - (endoffset - startoffset)) * 8)
return nil
if bs.RemainBytes() < 1 {
return errors.New("len of data < 1 byte")
}
adaptation.Adaptation_field_length = bs.Uint8(8)
startoffset := bs.ByteOffset()
//fmt.Printf("Adaptation_field_length=%d\n", adaptation.Adaptation_field_length)
if bs.RemainBytes() < int(adaptation.Adaptation_field_length) {
return errors.New("len of data < Adaptation_field_length")
}
if adaptation.Adaptation_field_length == 0 {
return nil
}
adaptation.Discontinuity_indicator = bs.GetBit()
adaptation.Random_access_indicator = bs.GetBit()
adaptation.Elementary_stream_priority_indicator = bs.GetBit()
adaptation.PCR_flag = bs.GetBit()
adaptation.OPCR_flag = bs.GetBit()
adaptation.Splicing_point_flag = bs.GetBit()
adaptation.Transport_private_data_flag = bs.GetBit()
adaptation.Adaptation_field_extension_flag = bs.GetBit()
if adaptation.PCR_flag == 1 {
adaptation.Program_clock_reference_base = bs.GetBits(33)
bs.SkipBits(6)
adaptation.Program_clock_reference_extension = uint16(bs.GetBits(9))
}
if adaptation.OPCR_flag == 1 {
adaptation.Original_program_clock_reference_base = bs.GetBits(33)
bs.SkipBits(6)
adaptation.Original_program_clock_reference_extension = uint16(bs.GetBits(9))
}
if adaptation.Splicing_point_flag == 1 {
adaptation.Splice_countdown = bs.Uint8(8)
}
if adaptation.Transport_private_data_flag == 1 {
adaptation.Transport_private_data_length = bs.Uint8(8)
bs.SkipBits(8 * int(adaptation.Transport_private_data_length))
}
if adaptation.Adaptation_field_extension_flag == 1 {
adaptation.Adaptation_field_extension_length = bs.Uint8(8)
bs.Markdot()
adaptation.Ltw_flag = bs.GetBit()
adaptation.Piecewise_rate_flag = bs.GetBit()
adaptation.Seamless_splice_flag = bs.GetBit()
bs.SkipBits(5)
if adaptation.Ltw_flag == 1 {
adaptation.Ltw_valid_flag = bs.GetBit()
adaptation.Ltw_offset = uint16(bs.GetBits(15))
}
if adaptation.Piecewise_rate_flag == 1 {
bs.SkipBits(2)
adaptation.Piecewise_rate = uint32(bs.GetBits(22))
}
if adaptation.Seamless_splice_flag == 1 {
adaptation.Splice_type = uint8(bs.GetBits(4))
adaptation.DTS_next_AU = bs.GetBits(3)
bs.SkipBits(1)
adaptation.DTS_next_AU = adaptation.DTS_next_AU<<15 | bs.GetBits(15)
bs.SkipBits(1)
adaptation.DTS_next_AU = adaptation.DTS_next_AU<<15 | bs.GetBits(15)
bs.SkipBits(1)
}
bitscount := bs.DistanceFromMarkDot()
if bitscount%8 > 0 {
panic("maybe parser ts file failed")
}
bs.SkipBits(int(adaptation.Adaptation_field_extension_length*8 - uint8(bitscount)))
}
endoffset := bs.ByteOffset()
bs.SkipBits((int(adaptation.Adaptation_field_length) - (endoffset - startoffset)) * 8)
return nil
}
type PmtPair struct {
Program_number uint16
PID uint16
Program_number uint16
PID uint16
}
type Pat struct {
Table_id uint8 //8 uimsbf
Section_syntax_indicator uint8 //1 bslbf
Section_length uint16 //12 uimsbf
Transport_stream_id uint16 //16 uimsbf
Version_number uint8 //5 uimsbf
Current_next_indicator uint8 //1 bslbf
Section_number uint8 //8 uimsbf
Last_section_number uint8 //8 uimsbf
Pmts []PmtPair
Table_id uint8 //8 uimsbf
Section_syntax_indicator uint8 //1 bslbf
Section_length uint16 //12 uimsbf
Transport_stream_id uint16 //16 uimsbf
Version_number uint8 //5 uimsbf
Current_next_indicator uint8 //1 bslbf
Section_number uint8 //8 uimsbf
Last_section_number uint8 //8 uimsbf
Pmts []PmtPair
}
func NewPat() *Pat {
return &Pat{
Table_id: uint8(TS_TID_PAS),
Pmts: make([]PmtPair, 0, 8),
}
return &Pat{
Table_id: uint8(TS_TID_PAS),
Pmts: make([]PmtPair, 0, 8),
}
}
func (pat *Pat) PrettyPrint(file *os.File) {
file.WriteString(fmt.Sprintf("Table id:%d\n", pat.Table_id))
file.WriteString(fmt.Sprintf("Section_syntax_indicator:%d\n", pat.Section_syntax_indicator))
file.WriteString(fmt.Sprintf("Section_length:%d\n", pat.Section_length))
file.WriteString(fmt.Sprintf("Transport_stream_id:%d\n", pat.Transport_stream_id))
file.WriteString(fmt.Sprintf("Version_number:%d\n", pat.Version_number))
file.WriteString(fmt.Sprintf("Current_next_indicator:%d\n", pat.Current_next_indicator))
file.WriteString(fmt.Sprintf("Section_number:%d\n", pat.Section_number))
file.WriteString(fmt.Sprintf("Last_section_number:%d\n", pat.Last_section_number))
for i, pmt := range pat.Pmts {
file.WriteString(fmt.Sprintf("----pmt %d\n", i))
file.WriteString(fmt.Sprintf(" program_number:%d\n", pmt.Program_number))
if pmt.Program_number == 0x0000 {
file.WriteString(fmt.Sprintf(" network_PID:%d\n", pmt.PID))
} else {
file.WriteString(fmt.Sprintf(" program_map_PID:%d\n", pmt.PID))
}
}
file.WriteString(fmt.Sprintf("Table id:%d\n", pat.Table_id))
file.WriteString(fmt.Sprintf("Section_syntax_indicator:%d\n", pat.Section_syntax_indicator))
file.WriteString(fmt.Sprintf("Section_length:%d\n", pat.Section_length))
file.WriteString(fmt.Sprintf("Transport_stream_id:%d\n", pat.Transport_stream_id))
file.WriteString(fmt.Sprintf("Version_number:%d\n", pat.Version_number))
file.WriteString(fmt.Sprintf("Current_next_indicator:%d\n", pat.Current_next_indicator))
file.WriteString(fmt.Sprintf("Section_number:%d\n", pat.Section_number))
file.WriteString(fmt.Sprintf("Last_section_number:%d\n", pat.Last_section_number))
for i, pmt := range pat.Pmts {
file.WriteString(fmt.Sprintf("----pmt %d\n", i))
file.WriteString(fmt.Sprintf(" program_number:%d\n", pmt.Program_number))
if pmt.Program_number == 0x0000 {
file.WriteString(fmt.Sprintf(" network_PID:%d\n", pmt.PID))
} else {
file.WriteString(fmt.Sprintf(" program_map_PID:%d\n", pmt.PID))
}
}
}
func (pat *Pat) Encode(bsw *codec.BitStreamWriter) {
bsw.PutUint8(0x00, 8)
loc := bsw.ByteOffset()
bsw.PutUint8(pat.Section_syntax_indicator, 1)
bsw.PutUint8(0x00, 1)
bsw.PutUint8(0x03, 2)
bsw.PutUint16(0, 12)
bsw.Markdot()
bsw.PutUint16(pat.Transport_stream_id, 16)
bsw.PutUint8(0x03, 2)
bsw.PutUint8(pat.Version_number, 5)
bsw.PutUint8(pat.Current_next_indicator, 1)
bsw.PutUint8(pat.Section_number, 8)
bsw.PutUint8(pat.Last_section_number, 8)
for _, pms := range pat.Pmts {
bsw.PutUint16(pms.Program_number, 16)
bsw.PutUint8(0x07, 3)
bsw.PutUint16(pms.PID, 13)
}
length := bsw.DistanceFromMarkDot()
//|Section_syntax_indicator|'0'|reserved|Section_length|
pat.Section_length = uint16(length)/8 + 4
bsw.SetUint16(pat.Section_length&0x0FFF|(uint16(pat.Section_syntax_indicator)<<15)|0x3000, loc)
crc := codec.CalcCrc32(0xffffffff, bsw.Bits()[bsw.ByteOffset()-int(pat.Section_length-4)-3:bsw.ByteOffset()])
tmpcrc := make([]byte, 4)
binary.LittleEndian.PutUint32(tmpcrc, crc)
bsw.PutBytes(tmpcrc)
bsw.PutUint8(0x00, 8)
loc := bsw.ByteOffset()
bsw.PutUint8(pat.Section_syntax_indicator, 1)
bsw.PutUint8(0x00, 1)
bsw.PutUint8(0x03, 2)
bsw.PutUint16(0, 12)
bsw.Markdot()
bsw.PutUint16(pat.Transport_stream_id, 16)
bsw.PutUint8(0x03, 2)
bsw.PutUint8(pat.Version_number, 5)
bsw.PutUint8(pat.Current_next_indicator, 1)
bsw.PutUint8(pat.Section_number, 8)
bsw.PutUint8(pat.Last_section_number, 8)
for _, pms := range pat.Pmts {
bsw.PutUint16(pms.Program_number, 16)
bsw.PutUint8(0x07, 3)
bsw.PutUint16(pms.PID, 13)
}
length := bsw.DistanceFromMarkDot()
//|Section_syntax_indicator|'0'|reserved|Section_length|
pat.Section_length = uint16(length)/8 + 4
bsw.SetUint16(pat.Section_length&0x0FFF|(uint16(pat.Section_syntax_indicator)<<15)|0x3000, loc)
crc := codec.CalcCrc32(0xffffffff, bsw.Bits()[bsw.ByteOffset()-int(pat.Section_length-4)-3:bsw.ByteOffset()])
tmpcrc := make([]byte, 4)
binary.LittleEndian.PutUint32(tmpcrc, crc)
bsw.PutBytes(tmpcrc)
}
func (pat *Pat) Decode(bs *codec.BitStream) error {
pat.Table_id = bs.Uint8(8)
pat.Table_id = bs.Uint8(8)
if pat.Table_id != uint8(TS_TID_PAS) {
return errors.New("table id is Not TS_TID_PAS")
}
pat.Section_syntax_indicator = bs.Uint8(1)
bs.SkipBits(3)
pat.Section_length = bs.Uint16(12)
pat.Transport_stream_id = bs.Uint16(16)
bs.SkipBits(2)
pat.Version_number = bs.Uint8(5)
pat.Current_next_indicator = bs.Uint8(1)
pat.Section_number = bs.Uint8(8)
pat.Last_section_number = bs.Uint8(8)
for i := 0; i+4 <= int(pat.Section_length)-5-4; i = i + 4 {
tmp := PmtPair{
Program_number: 0,
PID: 0,
}
tmp.Program_number = bs.Uint16(16)
bs.SkipBits(3)
tmp.PID = bs.Uint16(13)
pat.Pmts = append(pat.Pmts, tmp)
}
return nil
if pat.Table_id != uint8(TS_TID_PAS) {
return errors.New("table id is Not TS_TID_PAS")
}
pat.Section_syntax_indicator = bs.Uint8(1)
bs.SkipBits(3)
pat.Section_length = bs.Uint16(12)
pat.Transport_stream_id = bs.Uint16(16)
bs.SkipBits(2)
pat.Version_number = bs.Uint8(5)
pat.Current_next_indicator = bs.Uint8(1)
pat.Section_number = bs.Uint8(8)
pat.Last_section_number = bs.Uint8(8)
for i := 0; i+4 <= int(pat.Section_length)-5-4; i = i + 4 {
tmp := PmtPair{
Program_number: 0,
PID: 0,
}
tmp.Program_number = bs.Uint16(16)
bs.SkipBits(3)
tmp.PID = bs.Uint16(13)
pat.Pmts = append(pat.Pmts, tmp)
}
return nil
}
type StreamPair struct {
StreamType uint8 //8 uimsbf
Elementary_PID uint16 //13 uimsbf
ES_Info_Length uint16 //12 uimsbf
StreamType uint8 //8 uimsbf
Elementary_PID uint16 //13 uimsbf
ES_Info_Length uint16 //12 uimsbf
}
type Pmt struct {
Table_id uint8 //8 uimsbf
Section_syntax_indicator uint8 //1 bslbf
Section_length uint16 //12 uimsbf
Program_number uint16 //16 uimsbf
Version_number uint8 //5 uimsbf
Current_next_indicator uint8 //1 bslbf
Section_number uint8 //8 uimsbf
Last_section_number uint8 //8 uimsbf
PCR_PID uint16 //13 uimsbf
Program_info_length uint16 //12 uimsbf
Streams []StreamPair
Table_id uint8 //8 uimsbf
Section_syntax_indicator uint8 //1 bslbf
Section_length uint16 //12 uimsbf
Program_number uint16 //16 uimsbf
Version_number uint8 //5 uimsbf
Current_next_indicator uint8 //1 bslbf
Section_number uint8 //8 uimsbf
Last_section_number uint8 //8 uimsbf
PCR_PID uint16 //13 uimsbf
Program_info_length uint16 //12 uimsbf
Streams []StreamPair
}
func NewPmt() *Pmt {
return &Pmt{
Table_id: uint8(TS_TID_PMS),
Streams: make([]StreamPair, 0, 8),
}
return &Pmt{
Table_id: uint8(TS_TID_PMS),
Streams: make([]StreamPair, 0, 8),
}
}
func (pmt *Pmt) PrettyPrint(file *os.File) {
file.WriteString(fmt.Sprintf("Table id:%d\n", pmt.Table_id))
file.WriteString(fmt.Sprintf("Section_syntax_indicator:%d\n", pmt.Section_syntax_indicator))
file.WriteString(fmt.Sprintf("Section_length:%d\n", pmt.Section_length))
file.WriteString(fmt.Sprintf("Program_number:%d\n", pmt.Program_number))
file.WriteString(fmt.Sprintf("Version_number:%d\n", pmt.Version_number))
file.WriteString(fmt.Sprintf("Current_next_indicator:%d\n", pmt.Current_next_indicator))
file.WriteString(fmt.Sprintf("Section_number:%d\n", pmt.Section_number))
file.WriteString(fmt.Sprintf("Last_section_number:%d\n", pmt.Last_section_number))
file.WriteString(fmt.Sprintf("PCR_PID:%d\n", pmt.PCR_PID))
file.WriteString(fmt.Sprintf("program_info_length:%d\n", pmt.Program_info_length))
for i, stream := range pmt.Streams {
file.WriteString(fmt.Sprintf("----stream %d\n", i))
if stream.StreamType == uint8(TS_STREAM_AAC) {
file.WriteString(" stream_type:AAC\n")
} else if stream.StreamType == uint8(TS_STREAM_H264) {
file.WriteString(" stream_type:H264\n")
} else if stream.StreamType == uint8(TS_STREAM_H265) {
file.WriteString(" stream_type:H265\n")
}
file.WriteString(fmt.Sprintf(" elementary_PID:%d\n", stream.Elementary_PID))
file.WriteString(fmt.Sprintf(" ES_info_length:%d\n", stream.ES_Info_Length))
}
file.WriteString(fmt.Sprintf("Table id:%d\n", pmt.Table_id))
file.WriteString(fmt.Sprintf("Section_syntax_indicator:%d\n", pmt.Section_syntax_indicator))
file.WriteString(fmt.Sprintf("Section_length:%d\n", pmt.Section_length))
file.WriteString(fmt.Sprintf("Program_number:%d\n", pmt.Program_number))
file.WriteString(fmt.Sprintf("Version_number:%d\n", pmt.Version_number))
file.WriteString(fmt.Sprintf("Current_next_indicator:%d\n", pmt.Current_next_indicator))
file.WriteString(fmt.Sprintf("Section_number:%d\n", pmt.Section_number))
file.WriteString(fmt.Sprintf("Last_section_number:%d\n", pmt.Last_section_number))
file.WriteString(fmt.Sprintf("PCR_PID:%d\n", pmt.PCR_PID))
file.WriteString(fmt.Sprintf("program_info_length:%d\n", pmt.Program_info_length))
for i, stream := range pmt.Streams {
file.WriteString(fmt.Sprintf("----stream %d\n", i))
if stream.StreamType == uint8(TS_STREAM_AAC) {
file.WriteString(" stream_type:AAC\n")
} else if stream.StreamType == uint8(TS_STREAM_H264) {
file.WriteString(" stream_type:H264\n")
} else if stream.StreamType == uint8(TS_STREAM_H265) {
file.WriteString(" stream_type:H265\n")
}
file.WriteString(fmt.Sprintf(" elementary_PID:%d\n", stream.Elementary_PID))
file.WriteString(fmt.Sprintf(" ES_info_length:%d\n", stream.ES_Info_Length))
}
}
func (pmt *Pmt) Encode(bsw *codec.BitStreamWriter) {
bsw.PutUint8(pmt.Table_id, 8)
loc := bsw.ByteOffset()
bsw.PutUint8(pmt.Section_syntax_indicator, 1)
bsw.PutUint8(0x00, 1)
bsw.PutUint8(0x03, 2)
bsw.PutUint16(pmt.Section_length, 12)
bsw.Markdot()
bsw.PutUint16(pmt.Program_number, 16)
bsw.PutUint8(0x03, 2)
bsw.PutUint8(pmt.Version_number, 5)
bsw.PutUint8(pmt.Current_next_indicator, 1)
bsw.PutUint8(pmt.Section_number, 8)
bsw.PutUint8(pmt.Last_section_number, 8)
bsw.PutUint8(0x07, 3)
bsw.PutUint16(pmt.PCR_PID, 13)
bsw.PutUint8(0x0f, 4)
//TODO Program info length
bsw.PutUint16(0x0000 /*pmt.Program_info_length*/, 12)
for _, stream := range pmt.Streams {
bsw.PutUint8(stream.StreamType, 8)
bsw.PutUint8(0x00, 3)
bsw.PutUint16(stream.Elementary_PID, 13)
bsw.PutUint8(0x00, 4)
//TODO ES_info
bsw.PutUint8(0 /*ES_info_length*/, 12)
}
length := bsw.DistanceFromMarkDot()
pmt.Section_length = uint16(length)/8 + 4
bsw.SetUint16(pmt.Section_length&0x0FFF|(uint16(pmt.Section_syntax_indicator)<<15)|0x3000, loc)
crc := codec.CalcCrc32(0xffffffff, bsw.Bits()[bsw.ByteOffset()-int(pmt.Section_length-4)-3:bsw.ByteOffset()])
tmpcrc := make([]byte, 4)
binary.LittleEndian.PutUint32(tmpcrc, crc)
bsw.PutBytes(tmpcrc)
bsw.PutUint8(pmt.Table_id, 8)
loc := bsw.ByteOffset()
bsw.PutUint8(pmt.Section_syntax_indicator, 1)
bsw.PutUint8(0x00, 1)
bsw.PutUint8(0x03, 2)
bsw.PutUint16(pmt.Section_length, 12)
bsw.Markdot()
bsw.PutUint16(pmt.Program_number, 16)
bsw.PutUint8(0x03, 2)
bsw.PutUint8(pmt.Version_number, 5)
bsw.PutUint8(pmt.Current_next_indicator, 1)
bsw.PutUint8(pmt.Section_number, 8)
bsw.PutUint8(pmt.Last_section_number, 8)
bsw.PutUint8(0x07, 3)
bsw.PutUint16(pmt.PCR_PID, 13)
bsw.PutUint8(0x0f, 4)
//TODO Program info length
bsw.PutUint16(0x0000 /*pmt.Program_info_length*/, 12)
for _, stream := range pmt.Streams {
bsw.PutUint8(stream.StreamType, 8)
bsw.PutUint8(0x00, 3)
bsw.PutUint16(stream.Elementary_PID, 13)
bsw.PutUint8(0x00, 4)
//TODO ES_info
bsw.PutUint8(0 /*ES_info_length*/, 12)
}
length := bsw.DistanceFromMarkDot()
pmt.Section_length = uint16(length)/8 + 4
bsw.SetUint16(pmt.Section_length&0x0FFF|(uint16(pmt.Section_syntax_indicator)<<15)|0x3000, loc)
crc := codec.CalcCrc32(0xffffffff, bsw.Bits()[bsw.ByteOffset()-int(pmt.Section_length-4)-3:bsw.ByteOffset()])
tmpcrc := make([]byte, 4)
binary.LittleEndian.PutUint32(tmpcrc, crc)
bsw.PutBytes(tmpcrc)
}
func (pmt *Pmt) Decode(bs *codec.BitStream) error {
pmt.Table_id = bs.Uint8(8)
if pmt.Table_id != uint8(TS_TID_PMS) {
return errors.New("table id is Not TS_TID_PAS")
}
pmt.Section_syntax_indicator = bs.Uint8(1)
bs.SkipBits(3)
pmt.Section_length = bs.Uint16(12)
pmt.Program_number = bs.Uint16(16)
bs.SkipBits(2)
pmt.Version_number = bs.Uint8(5)
pmt.Current_next_indicator = bs.Uint8(1)
pmt.Section_number = bs.Uint8(8)
pmt.Last_section_number = bs.Uint8(8)
bs.SkipBits(3)
pmt.PCR_PID = bs.Uint16(13)
bs.SkipBits(4)
pmt.Program_info_length = bs.Uint16(12)
//TODO N loop descriptors
bs.SkipBits(int(pmt.Program_info_length) * 8)
//fmt.Printf("section length %d pmt.Pogram_info_length=%d\n", pmt.Section_length, pmt.Pogram_info_length)
for i := 0; i < int(pmt.Section_length)-9-int(pmt.Program_info_length)-4; {
tmp := StreamPair{
StreamType: 0,
Elementary_PID: 0,
ES_Info_Length: 0,
}
tmp.StreamType = bs.Uint8(8)
bs.SkipBits(3)
tmp.Elementary_PID = bs.Uint16(13)
bs.SkipBits(4)
tmp.ES_Info_Length = bs.Uint16(12)
//TODO N loop descriptors
bs.SkipBits(int(tmp.ES_Info_Length) * 8)
pmt.Streams = append(pmt.Streams, tmp)
i += 5 + int(tmp.ES_Info_Length)
}
return nil
pmt.Table_id = bs.Uint8(8)
if pmt.Table_id != uint8(TS_TID_PMS) {
return errors.New("table id is Not TS_TID_PAS")
}
pmt.Section_syntax_indicator = bs.Uint8(1)
bs.SkipBits(3)
pmt.Section_length = bs.Uint16(12)
pmt.Program_number = bs.Uint16(16)
bs.SkipBits(2)
pmt.Version_number = bs.Uint8(5)
pmt.Current_next_indicator = bs.Uint8(1)
pmt.Section_number = bs.Uint8(8)
pmt.Last_section_number = bs.Uint8(8)
bs.SkipBits(3)
pmt.PCR_PID = bs.Uint16(13)
bs.SkipBits(4)
pmt.Program_info_length = bs.Uint16(12)
//TODO N loop descriptors
bs.SkipBits(int(pmt.Program_info_length) * 8)
//fmt.Printf("section length %d pmt.Pogram_info_length=%d\n", pmt.Section_length, pmt.Pogram_info_length)
for i := 0; i < int(pmt.Section_length)-9-int(pmt.Program_info_length)-4; {
tmp := StreamPair{
StreamType: 0,
Elementary_PID: 0,
ES_Info_Length: 0,
}
tmp.StreamType = bs.Uint8(8)
bs.SkipBits(3)
tmp.Elementary_PID = bs.Uint16(13)
bs.SkipBits(4)
tmp.ES_Info_Length = bs.Uint16(12)
//TODO N loop descriptors
bs.SkipBits(int(tmp.ES_Info_Length) * 8)
pmt.Streams = append(pmt.Streams, tmp)
i += 5 + int(tmp.ES_Info_Length)
}
return nil
}

19
trunk/Dockerfile.cov
View file

@ -1,12 +1,21 @@
FROM ossrs/srs:dev-gcc7-cache
FROM ossrs/srs:ubuntu20-cache
# Install depends tools.
RUN yum install -y gcc make gcc-c++ patch unzip perl git
ARG MAKEARGS
RUN echo "MAKEARGS: ${MAKEARGS}"
# https://serverfault.com/questions/949991/how-to-install-tzdata-on-a-ubuntu-docker-image
ENV DEBIAN_FRONTEND noninteractive
# For go to build and run utest.
ENV PATH $PATH:/usr/local/go/bin
RUN apt update -y && apt install -y gcc make g++ patch unzip perl git libasan5
# Build and install SRS.
COPY . /srs
WORKDIR /srs/trunk
# Note that we must enable the gcc7 or link failed.
RUN scl enable devtoolset-7 -- ./configure --srt=on --gb28181=on --apm=on --h265=on --utest=on --gcov=on --sanitizer=off
RUN scl enable devtoolset-7 -- make utest
RUN ./configure --srt=on --gb28181=on --apm=on --h265=on --utest=on --gcov=on --sanitizer=off
RUN make utest ${MAKEARGS}

22
trunk/Dockerfile.test
View file

@ -1,16 +1,24 @@
FROM ossrs/srs:dev-gcc7-cache
RUN yum install -y gcc make gcc-c++ patch unzip perl git
FROM ossrs/srs:ubuntu20-cache
ARG MAKEARGS
RUN echo "MAKEARGS: ${MAKEARGS}"
# https://serverfault.com/questions/949991/how-to-install-tzdata-on-a-ubuntu-docker-image
ENV DEBIAN_FRONTEND noninteractive
# For go to build and run utest.
ENV PATH $PATH:/usr/local/go/bin
RUN apt update -y && apt install -y gcc make g++ patch unzip perl git libasan5
# Build and install SRS.
COPY . /srs
WORKDIR /srs/trunk
# Note that we must enable the gcc7 or link failed.
RUN scl enable devtoolset-7 -- ./configure --srt=on --gb28181=on --apm=on --h265=on --utest=on
RUN scl enable devtoolset-7 -- make utest
RUN ./configure --srt=on --gb28181=on --srt=on --gb28181=on --apm=on --h265=on --utest=on
RUN make utest ${MAKEARGS}
# Build benchmark tool.
RUN cd 3rdparty/srs-bench && make
RUN cd 3rdparty/srs-bench && make ${MAKEARGS}
# Run utest
RUN ./objs/srs_utest

2
trunk/conf/regression-test-for-clion.conf
View file

@ -1,6 +1,8 @@
listen 1935;
max_connections 1000;
# For clion, use console as output.
daemon off;
srs_log_tank console;

6
trunk/conf/regression-test.conf
View file

@ -1,7 +1,11 @@
listen 1935;
max_connections 1000;
daemon on; disable_daemon_for_docker off; srs_log_tank file;
# Force to daemon and write logs to file.
daemon on;
disable_daemon_for_docker off;
srs_log_tank file;
stream_caster {
enabled on;

1
trunk/doc/CHANGELOG.md
View file

@ -24,6 +24,7 @@ The changelog for SRS.
## SRS 5.0 Changelog
* v5.0, 2022-12-31, GB28181: Enable regression test for gb28181. v5.0.122
* v5.0, 2022-12-31, Refine configure to guess OS automatically. v5.0.121
* v5.0, 2022-12-31, Refine default config file for SRS. v5.0.120
* v5.0, 2022-12-26, For [#939](https://github.com/ossrs/srs/issues/939): FLV: Fix bug for header flag gussing. v5.0.119

2
trunk/src/core/srs_core_version5.hpp
View file

@ -9,6 +9,6 @@
#define VERSION_MAJOR 5
#define VERSION_MINOR 0
#define VERSION_REVISION 121
#define VERSION_REVISION 122
#endif