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Merge code.

Browse source 
Conflicts:
	trunk/configure
	trunk/src/app/srs_app_source.cpp
	trunk/src/kernel/srs_kernel_error.hpp
This commit is contained in:
wenjie.zhao 2015-03-11 14:18:09 +08:00
commit e57bda8908
90 changed files with 4584 additions and 3576 deletions
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19
trunk/src/kernel/srs_kernel_aac.cpp
View file

@ -43,6 +43,7 @@ SrsAacEncoder::SrsAacEncoder()
_fs = NULL;
got_sequence_header = false;
tag_stream = new SrsStream();
aac_object = SrsAacObjectTypeReserved;
}
SrsAacEncoder::~SrsAacEncoder()
@ -114,7 +115,7 @@ int SrsAacEncoder::write_audio(int64_t timestamp, char* data, int size)
// 1.6.2.1 AudioSpecificConfig, in aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 33.
//
// only need to decode the first 2bytes:
// audioObjectType, aac_profile, 5bits.
// audioObjectType, 5bits.
// samplingFrequencyIndex, aac_sample_rate, 4bits.
// channelConfiguration, aac_channels, 4bits
if (!stream->require(2)) {
@ -123,12 +124,14 @@ int SrsAacEncoder::write_audio(int64_t timestamp, char* data, int size)
return ret;
}
aac_profile = stream->read_1bytes();
int8_t audioObjectType = stream->read_1bytes();
aac_sample_rate = stream->read_1bytes();
aac_channels = (aac_sample_rate >> 3) & 0x0f;
aac_sample_rate = ((aac_profile << 1) & 0x0e) | ((aac_sample_rate >> 7) & 0x01);
aac_profile = (aac_profile >> 3) & 0x1f;
aac_sample_rate = ((audioObjectType << 1) & 0x0e) | ((aac_sample_rate >> 7) & 0x01);
audioObjectType = (audioObjectType >> 3) & 0x1f;
aac_object = (SrsAacObjectType)audioObjectType;
got_sequence_header = true;
@ -177,16 +180,14 @@ int SrsAacEncoder::write_audio(int64_t timestamp, char* data, int size)
// protection_absent 1 bslbf
*pp++ = 0xf1;
// Profile_ObjectType 2 uimsbf
// profile 2 uimsbf
// sampling_frequency_index 4 uimsbf
// private_bit 1 bslbf
// channel_configuration 3 uimsbf
// original/copy 1 bslbf
// home 1 bslbf
int8_t fh_Profile_ObjectType = aac_profile - 1;
*pp++ = ((fh_Profile_ObjectType << 6) & 0xc0) | ((aac_sample_rate << 2) & 0x3c) | ((aac_channels >> 2) & 0x01);
// @remark, Emphasis is removed,
// @see https://github.com/winlinvip/simple-rtmp-server/issues/212#issuecomment-64154736
SrsAacProfile aac_profile = srs_codec_aac_rtmp2ts(aac_object);
*pp++ = ((aac_profile << 6) & 0xc0) | ((aac_sample_rate << 2) & 0x3c) | ((aac_channels >> 2) & 0x01);
// 4bits left.
// adts_variable_header(), 1.A.2.2.2 Variable Header of ADTS
// copyright_identification_bit 1 bslbf

4
trunk/src/kernel/srs_kernel_aac.hpp
View file

@ -31,6 +31,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <string>
#include <srs_kernel_codec.hpp>
class SrsStream;
class SrsFileWriter;
class SrsFileReader;
@ -43,7 +45,7 @@ class SrsAacEncoder
private:
SrsFileWriter* _fs;
private:
int8_t aac_profile;
SrsAacObjectType aac_object;
int8_t aac_sample_rate;
int8_t aac_channels;
bool got_sequence_header;

175
trunk/src/kernel/srs_kernel_codec.cpp
View file

@ -32,6 +32,154 @@ using namespace std;
#include <srs_kernel_stream.hpp>
#include <srs_kernel_utility.hpp>
string srs_codec_video2str(SrsCodecVideo codec)
{
switch (codec) {
case SrsCodecVideoAVC:
return "H264";
case SrsCodecVideoOn2VP6:
case SrsCodecVideoOn2VP6WithAlphaChannel:
return "VP6";
case SrsCodecVideoReserved:
case SrsCodecVideoReserved1:
case SrsCodecVideoReserved2:
case SrsCodecVideoDisabled:
case SrsCodecVideoSorensonH263:
case SrsCodecVideoScreenVideo:
case SrsCodecVideoScreenVideoVersion2:
default:
return "Other";
}
}
string srs_codec_audio2str(SrsCodecAudio codec)
{
switch (codec) {
case SrsCodecAudioAAC:
return "AAC";
case SrsCodecAudioMP3:
return "MP3";
case SrsCodecAudioReserved1:
case SrsCodecAudioLinearPCMPlatformEndian:
case SrsCodecAudioADPCM:
case SrsCodecAudioLinearPCMLittleEndian:
case SrsCodecAudioNellymoser16kHzMono:
case SrsCodecAudioNellymoser8kHzMono:
case SrsCodecAudioNellymoser:
case SrsCodecAudioReservedG711AlawLogarithmicPCM:
case SrsCodecAudioReservedG711MuLawLogarithmicPCM:
case SrsCodecAudioReserved:
case SrsCodecAudioSpeex:
case SrsCodecAudioReservedMP3_8kHz:
case SrsCodecAudioReservedDeviceSpecificSound:
default:
return "Other";
}
}
string srs_codec_aac_profile2str(SrsAacProfile aac_profile)
{
switch (aac_profile) {
case SrsAacProfileMain: return "Main";
case SrsAacProfileLC: return "LC";
case SrsAacProfileSSR: return "SSR";
default: return "Other";
}
}
string srs_codec_aac_object2str(SrsAacObjectType aac_object)
{
switch (aac_object) {
case SrsAacObjectTypeAacMain: return "Main";
case SrsAacObjectTypeHE: return "HE";
case SrsAacObjectTypeHEV2: return "HEv2";
case SrsAacObjectTypeAacLC: return "LC";
case SrsAacObjectTypeAacSSR: return "SSR";
default: return "Other";
}
}
SrsAacObjectType srs_codec_aac_ts2rtmp(SrsAacProfile profile)
{
switch (profile) {
case SrsAacProfileMain: return SrsAacObjectTypeAacMain;
case SrsAacProfileLC: return SrsAacObjectTypeAacLC;
case SrsAacProfileSSR: return SrsAacObjectTypeAacSSR;
default: return SrsAacObjectTypeReserved;
}
}
SrsAacProfile srs_codec_aac_rtmp2ts(SrsAacObjectType object_type)
{
switch (object_type) {
case SrsAacObjectTypeAacMain: return SrsAacProfileMain;
case SrsAacObjectTypeHE:
case SrsAacObjectTypeHEV2:
case SrsAacObjectTypeAacLC: return SrsAacProfileLC;
case SrsAacObjectTypeAacSSR: return SrsAacProfileSSR;
default: return SrsAacProfileReserved;
}
}
string srs_codec_avc_profile2str(SrsAvcProfile profile)
{
switch (profile) {
case SrsAvcProfileBaseline: return "Baseline";
case SrsAvcProfileConstrainedBaseline: return "Baseline(Constrained)";
case SrsAvcProfileMain: return "Main";
case SrsAvcProfileExtended: return "Extended";
case SrsAvcProfileHigh: return "High";
case SrsAvcProfileHigh10: return "High(10)";
case SrsAvcProfileHigh10Intra: return "High(10+Intra)";
case SrsAvcProfileHigh422: return "High(422)";
case SrsAvcProfileHigh422Intra: return "High(422+Intra)";
case SrsAvcProfileHigh444: return "High(444)";
case SrsAvcProfileHigh444Predictive: return "High(444+Predictive)";
case SrsAvcProfileHigh444Intra: return "High(444+Intra)";
default: return "Other";
}
}
string srs_codec_avc_level2str(SrsAvcLevel level)
{
switch (level) {
case SrsAvcLevel_1: return "1";
case SrsAvcLevel_11: return "1.1";
case SrsAvcLevel_12: return "1.2";
case SrsAvcLevel_13: return "1.3";
case SrsAvcLevel_2: return "2";
case SrsAvcLevel_21: return "2.1";
case SrsAvcLevel_22: return "2.2";
case SrsAvcLevel_3: return "3";
case SrsAvcLevel_31: return "3.1";
case SrsAvcLevel_32: return "3.2";
case SrsAvcLevel_4: return "4";
case SrsAvcLevel_41: return "4.1";
case SrsAvcLevel_5: return "5";
case SrsAvcLevel_51: return "5.1";
default: return "Other";
}
}
/**
* the public data, event HLS disable, others can use it.
*/
// 0 = 5.5 kHz = 5512 Hz
// 1 = 11 kHz = 11025 Hz
// 2 = 22 kHz = 22050 Hz
// 3 = 44 kHz = 44100 Hz
int flv_sample_rates[] = {5512, 11025, 22050, 44100};
// the sample rates in the codec,
// in the sequence header.
int aac_sample_rates[] =
{
96000, 88200, 64000, 48000,
44100, 32000, 24000, 22050,
16000, 12000, 11025, 8000,
7350, 0, 0, 0
};
SrsFlvCodec::SrsFlvCodec()
{
}
@ -184,9 +332,9 @@ SrsAvcAacCodec::SrsAvcAacCodec()
audio_data_rate = 0;
audio_codec_id = 0;
avc_profile = 0;
avc_level = 0;
aac_profile = 0;
avc_profile = SrsAvcProfileReserved;
avc_level = SrsAvcLevelReserved;
aac_object = SrsAacObjectTypeReserved;
aac_sample_rate = __SRS_AAC_SAMPLE_RATE_UNSET; // sample rate ignored
aac_channels = 0;
avc_extra_size = 0;
@ -384,20 +532,9 @@ int SrsAvcAacCodec::audio_aac_sequence_header_demux(char* data, int size)
// set the aac sample rate.
aac_sample_rate = samplingFrequencyIndex;
// the profile = object_id + 1
// @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 78,
// Table 1. A.9 ¨C MPEG-2 Audio profiles and MPEG-4 Audio object types
aac_profile = profile_ObjectType + 1;
// the valid aac profile:
// MPEG-2 profile
// Main profile (ID == 1)
// Low Complexity profile (LC) (ID == 2)
// Scalable Sampling Rate profile (SSR) (ID == 3)
// (reserved) (ID == 4)
// @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 78,
// Table 1. A.9 ¨C MPEG-2 Audio profiles and MPEG-4 Audio object types
if (aac_profile > 4) {
// convert the object type in sequence header to aac profile of ADTS.
aac_object = (SrsAacObjectType)profile_ObjectType;
if (aac_object == SrsAacObjectTypeReserved) {
ret = ERROR_HLS_DECODE_ERROR;
srs_error("audio codec decode aac sequence header failed, "
"adts object=%d invalid. ret=%d", profile_ObjectType, ret);
@ -554,11 +691,11 @@ int SrsAvcAacCodec::avc_demux_sps_pps(SrsStream* stream)
//int8_t configurationVersion = stream->read_1bytes();
stream->read_1bytes();
//int8_t AVCProfileIndication = stream->read_1bytes();
avc_profile = stream->read_1bytes();
avc_profile = (SrsAvcProfile)stream->read_1bytes();
//int8_t profile_compatibility = stream->read_1bytes();
stream->read_1bytes();
//int8_t AVCLevelIndication = stream->read_1bytes();
avc_level = stream->read_1bytes();
avc_level = (SrsAvcLevel)stream->read_1bytes();
// parse the NALU size.
int8_t lengthSizeMinusOne = stream->read_1bytes();

100
trunk/src/kernel/srs_kernel_codec.hpp
View file

@ -110,6 +110,7 @@ enum SrsCodecVideo
SrsCodecVideoScreenVideoVersion2 = 6,
SrsCodecVideoAVC = 7,
};
std::string srs_codec_video2str(SrsCodecVideo codec);
// SoundFormat UB [4]
// Format of SoundData. The following values are defined:
@ -150,6 +151,7 @@ enum SrsCodecAudio
SrsCodecAudioReservedMP3_8kHz = 14,
SrsCodecAudioReservedDeviceSpecificSound = 15,
};
std::string srs_codec_audio2str(SrsCodecAudio codec);
/**
* the FLV/RTMP supported audio sample rate.
@ -373,6 +375,98 @@ enum SrsAvcPayloadFormat
SrsAvcPayloadFormatIbmf,
};
/**
* the aac profile, for ADTS(HLS/TS)
* @see https://github.com/winlinvip/simple-rtmp-server/issues/310
*/
enum SrsAacProfile
{
SrsAacProfileReserved = 3,
// @see 7.1 Profiles, aac-iso-13818-7.pdf, page 40
SrsAacProfileMain = 0,
SrsAacProfileLC = 1,
SrsAacProfileSSR = 2,
};
std::string srs_codec_aac_profile2str(SrsAacProfile aac_profile);
/**
* the aac object type, for RTMP sequence header
* for AudioSpecificConfig, @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 33
* for audioObjectType, @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 23
*/
enum SrsAacObjectType
{
SrsAacObjectTypeReserved = 0,
// Table 1.1 – Audio Object Type definition
// @see @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 23
SrsAacObjectTypeAacMain = 1,
SrsAacObjectTypeAacLC = 2,
SrsAacObjectTypeAacSSR = 3,
// AAC HE = LC+SBR
SrsAacObjectTypeHE = 5,
// AAC HEv2 = LC+SBR+PS
SrsAacObjectTypeHEV2 = 29,
};
std::string srs_codec_aac_object2str(SrsAacObjectType aac_object);
// ts/hls/adts audio header profile to RTMP sequence header object type.
SrsAacObjectType srs_codec_aac_ts2rtmp(SrsAacProfile profile);
// RTMP sequence header object type to ts/hls/adts audio header profile.
SrsAacProfile srs_codec_aac_rtmp2ts(SrsAacObjectType object_type);
/**
* the profile for avc/h.264.
* @see Annex A Profiles and levels, H.264-AVC-ISO_IEC_14496-10.pdf, page 205.
*/
enum SrsAvcProfile
{
SrsAvcProfileReserved = 0,
// @see ffmpeg, libavcodec/avcodec.h:2713
SrsAvcProfileBaseline = 66,
// FF_PROFILE_H264_CONSTRAINED (1<<9) // 8+1; constraint_set1_flag
// FF_PROFILE_H264_CONSTRAINED_BASELINE (66|FF_PROFILE_H264_CONSTRAINED)
SrsAvcProfileConstrainedBaseline = 578,
SrsAvcProfileMain = 77,
SrsAvcProfileExtended = 88,
SrsAvcProfileHigh = 100,
SrsAvcProfileHigh10 = 110,
SrsAvcProfileHigh10Intra = 2158,
SrsAvcProfileHigh422 = 122,
SrsAvcProfileHigh422Intra = 2170,
SrsAvcProfileHigh444 = 144,
SrsAvcProfileHigh444Predictive = 244,
SrsAvcProfileHigh444Intra = 2192,
};
std::string srs_codec_avc_profile2str(SrsAvcProfile profile);
/**
* the level for avc/h.264.
* @see Annex A Profiles and levels, H.264-AVC-ISO_IEC_14496-10.pdf, page 207.
*/
enum SrsAvcLevel
{
SrsAvcLevelReserved = 0,
SrsAvcLevel_1 = 10,
SrsAvcLevel_11 = 11,
SrsAvcLevel_12 = 12,
SrsAvcLevel_13 = 13,
SrsAvcLevel_2 = 20,
SrsAvcLevel_21 = 21,
SrsAvcLevel_22 = 22,
SrsAvcLevel_3 = 30,
SrsAvcLevel_31 = 31,
SrsAvcLevel_32 = 32,
SrsAvcLevel_4 = 40,
SrsAvcLevel_41 = 41,
SrsAvcLevel_5 = 50,
SrsAvcLevel_51 = 51,
};
std::string srs_codec_avc_level2str(SrsAvcLevel level);
/**
* the h264/avc and aac codec, for media stream.
*
@ -410,9 +504,9 @@ public:
* video specified
*/
// profile_idc, H.264-AVC-ISO_IEC_14496-10.pdf, page 45.
u_int8_t avc_profile;
SrsAvcProfile avc_profile;
// level_idc, H.264-AVC-ISO_IEC_14496-10.pdf, page 45.
u_int8_t avc_level;
SrsAvcLevel avc_level;
// lengthSizeMinusOne, H.264-AVC-ISO_IEC_14496-15.pdf, page 16
int8_t NAL_unit_length;
u_int16_t sequenceParameterSetLength;
@ -429,7 +523,7 @@ public:
* 1.5.1.1 Audio object type definition, page 23,
* in aac-mp4a-format-ISO_IEC_14496-3+2001.pdf.
*/
u_int8_t aac_profile;
SrsAacObjectType aac_object;
/**
* samplingFrequencyIndex
*/

23
trunk/src/kernel/srs_kernel_error.hpp
View file

@ -213,13 +213,16 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define ERROR_HTTP_DVR_REQUEST 3051
#define ERROR_HTTP_JSON_REQUIRED 3052
#define ERROR_HTTP_DVR_CREATE_REQUEST 3053
#define ERROR_HTTP_DVR_NO_TAEGET 3054
#define ERROR_ADTS_ID_NOT_AAC 3055
// HDS error code
#define ERROR_HDS_OPEN_F4M_FAILED 3054
#define ERROR_HDS_WRITE_F4M_FAILED 3055
#define ERROR_HDS_OPEN_BOOTSTRAP_FAILED 3056
#define ERROR_HDS_WRITE_BOOTSTRAP_FAILED 3057
#define ERROR_HDS_OPEN_FRAGMENT_FAILED 3058
#define ERROR_HDS_WRITE_FRAGMENT_FAILED 3059
#define ERROR_HDS_OPEN_F4M_FAILED 3056
#define ERROR_HDS_WRITE_F4M_FAILED 3057
#define ERROR_HDS_OPEN_BOOTSTRAP_FAILED 3058
#define ERROR_HDS_WRITE_BOOTSTRAP_FAILED 3059
#define ERROR_HDS_OPEN_FRAGMENT_FAILED 3060
#define ERROR_HDS_WRITE_FRAGMENT_FAILED 3061
///////////////////////////////////////////////////////
// HTTP/StreamCaster protocol error.
@ -249,6 +252,14 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define ERROR_STREAM_CASTER_AVC_SPS 4022
#define ERROR_STREAM_CASTER_AVC_PPS 4023
#define ERROR_STREAM_CASTER_FLV_TAG 4024
#define ERROR_HTTP_RESPONSE_EOF 4025
#define ERROR_HTTP_INVALID_CHUNK_HEADER 4026
///////////////////////////////////////////////////////
// user-define error.
///////////////////////////////////////////////////////
#define ERROR_USER_START 9000
#define ERROR_USER_END 9999
/**
* whether the error code is an system control error.

1
trunk/src/kernel/srs_kernel_file.hpp
View file

@ -82,6 +82,7 @@ public:
virtual int open(std::string file);
virtual void close();
public:
// TODO: FIXME: extract interface.
virtual bool is_open();
virtual int64_t tellg();
virtual void skip(int64_t size);

5
trunk/src/kernel/srs_kernel_flv.cpp
View file

@ -36,6 +36,7 @@ using namespace std;
#include <srs_kernel_error.hpp>
#include <srs_kernel_stream.hpp>
#include <srs_kernel_file.hpp>
#include <srs_kernel_codec.hpp>
#define SRS_FLV_TAG_HEADER_SIZE 11
#define SRS_FLV_PREVIOUS_TAG_SIZE 4
@ -149,7 +150,7 @@ int SrsFlvEncoder::write_audio(int64_t timestamp, char* data, int size)
// 11bytes tag header
static char tag_header[] = {
(char)8, // TagType UB [5], 8 = audio
(char)SrsCodecFlvTagAudio, // TagType UB [5], 8 = audio
(char)0x00, (char)0x00, (char)0x00, // DataSize UI24 Length of the message.
(char)0x00, (char)0x00, (char)0x00, // Timestamp UI24 Time in milliseconds at which the data in this tag applies.
(char)0x00, // TimestampExtended UI8
@ -183,7 +184,7 @@ int SrsFlvEncoder::write_video(int64_t timestamp, char* data, int size)
// 11bytes tag header
static char tag_header[] = {
(char)9, // TagType UB [5], 9 = video
(char)SrsCodecFlvTagVideo, // TagType UB [5], 9 = video
(char)0x00, (char)0x00, (char)0x00, // DataSize UI24 Length of the message.
(char)0x00, (char)0x00, (char)0x00, // Timestamp UI24 Time in milliseconds at which the data in this tag applies.
(char)0x00, // TimestampExtended UI8

1
trunk/src/kernel/srs_kernel_flv.hpp
View file

@ -67,6 +67,7 @@ public:
/**
* write flv metadata.
* @param type, the type of data, or other message type.
* @see SrsCodecFlvTag
* @param data, the amf0 metadata which serialize from:
* AMF0 string: onMetaData,
* AMF0 object: the metadata object.

42
trunk/src/kernel/srs_kernel_ts.cpp
View file

@ -56,25 +56,6 @@ using namespace std;
#define TS_AUDIO_AAC_PID 0x102
#define TS_AUDIO_MP3_PID 0x103
/**
* the public data, event HLS disable, others can use it.
*/
// 0 = 5.5 kHz = 5512 Hz
// 1 = 11 kHz = 11025 Hz
// 2 = 22 kHz = 22050 Hz
// 3 = 44 kHz = 44100 Hz
int flv_sample_rates[] = {5512, 11025, 22050, 44100};
// the sample rates in the codec,
// in the sequence header.
int aac_sample_rates[] =
{
96000, 88200, 64000, 48000,
44100, 32000, 24000, 22050,
16000, 12000, 11025, 8000,
7350, 0, 0, 0
};
string srs_ts_stream2string(SrsTsStream stream)
{
switch (stream) {
@ -1130,7 +1111,7 @@ int SrsTsAdaptationField::encode(SrsStream* stream)
// @see https://github.com/winlinvip/simple-rtmp-server/issues/250#issuecomment-71349370
int64_t pcrv = program_clock_reference_extension & 0x1ff;
pcrv |= (const1_value0 << 9) & 0x7E00;
pcrv |= (program_clock_reference_base << 15) & 0x1FFFFFFFF000000;
pcrv |= (program_clock_reference_base << 15) & 0x1FFFFFFFF000000LL;
pp = (char*)&pcrv;
*p++ = pp[5];
@ -2783,20 +2764,6 @@ int SrsTsCache::do_cache_aac(SrsAvcAacCodec* codec, SrsCodecSample* sample)
srs_error("invalid aac frame length=%d, ret=%d", size, ret);
return ret;
}
// the profile = object_id + 1
// @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 78,
// Table 1. A.9 ¨C MPEG-2 Audio profiles and MPEG-4 Audio object types
// the valid object type:
// AAC Main(ID == 0)
// AAC LC(ID == 1)
// AAC SSR(ID == 2)
// AAC LTP(ID == 3)
u_int8_t profile_ObjectType = codec->aac_profile - 1;
// TODO: FIXME: only support Main or LC.
// @see https://github.com/winlinvip/simple-rtmp-server/issues/310
profile_ObjectType = srs_min(1, profile_ObjectType);
// the frame length is the AAC raw data plus the adts header size.
int32_t frame_length = size + 7;
@ -2805,12 +2772,12 @@ int SrsTsCache::do_cache_aac(SrsAvcAacCodec* codec, SrsCodecSample* sample)
// 6.2 Audio Data Transport Stream, ADTS
// in aac-iso-13818-7.pdf, page 26.
// fixed 7bytes header
static u_int8_t adts_header[7] = {0xff, 0xf1, 0x00, 0x00, 0x00, 0x0f, 0xfc};
static u_int8_t adts_header[7] = {0xff, 0xf9, 0x00, 0x00, 0x00, 0x0f, 0xfc};
/*
// adts_fixed_header
// 2B, 16bits
int16_t syncword; //12bits, '1111 1111 1111'
int8_t ID; //1bit, '0'
int8_t ID; //1bit, '1'
int8_t layer; //2bits, '00'
int8_t protection_absent; //1bit, can be '1'
// 12bits
@ -2830,7 +2797,8 @@ int SrsTsCache::do_cache_aac(SrsAvcAacCodec* codec, SrsCodecSample* sample)
int8_t number_of_raw_data_blocks_in_frame; //2bits, 0 indicating 1 raw_data_block()
*/
// profile, 2bits
adts_header[2] = (profile_ObjectType << 6) & 0xc0;
SrsAacProfile aac_profile = srs_codec_aac_rtmp2ts(codec->aac_object);
adts_header[2] = (aac_profile << 6) & 0xc0;
// sampling_frequency_index 4bits
adts_header[2] |= (codec->aac_sample_rate << 2) & 0x3c;
// channel_configuration 3bits

2
trunk/src/kernel/srs_kernel_utility.cpp
View file

@ -437,7 +437,9 @@ u_int32_t srs_crc32(const void* buf, int size)
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef UINT_MAX
#define UINT_MAX 0xffffffff
#endif
#ifndef AV_RB32
# define AV_RB32(x) \