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Code Issues Releases Wiki Activity

For #299, refine code.

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winlin 2017-03-25 17:21:39 +08:00
parent 62b7204514
commit f32aab3d92
175 changed files with 15529 additions and 15935 deletions
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374
trunk/src/protocol/srs_rtsp_stack.cpp
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@ -1,25 +1,25 @@
/*
The MIT License (MIT)
Copyright (c) 2013-2017 SRS(ossrs)
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* The MIT License (MIT)
*
* Copyright (c) 2013-2017 SRS(ossrs)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <srs_rtsp_stack.hpp>
@ -48,50 +48,50 @@ string srs_generate_rtsp_status_text(int status)
{
static std::map<int, std::string> _status_map;
if (_status_map.empty()) {
_status_map[SRS_CONSTS_RTSP_Continue] = SRS_CONSTS_RTSP_Continue_str;
_status_map[SRS_CONSTS_RTSP_OK] = SRS_CONSTS_RTSP_OK_str;
_status_map[SRS_CONSTS_RTSP_Created] = SRS_CONSTS_RTSP_Created_str;
_status_map[SRS_CONSTS_RTSP_LowOnStorageSpace] = SRS_CONSTS_RTSP_LowOnStorageSpace_str;
_status_map[SRS_CONSTS_RTSP_MultipleChoices] = SRS_CONSTS_RTSP_MultipleChoices_str;
_status_map[SRS_CONSTS_RTSP_MovedPermanently] = SRS_CONSTS_RTSP_MovedPermanently_str;
_status_map[SRS_CONSTS_RTSP_MovedTemporarily] = SRS_CONSTS_RTSP_MovedTemporarily_str;
_status_map[SRS_CONSTS_RTSP_SeeOther] = SRS_CONSTS_RTSP_SeeOther_str;
_status_map[SRS_CONSTS_RTSP_NotModified] = SRS_CONSTS_RTSP_NotModified_str;
_status_map[SRS_CONSTS_RTSP_UseProxy] = SRS_CONSTS_RTSP_UseProxy_str;
_status_map[SRS_CONSTS_RTSP_BadRequest] = SRS_CONSTS_RTSP_BadRequest_str;
_status_map[SRS_CONSTS_RTSP_Unauthorized] = SRS_CONSTS_RTSP_Unauthorized_str;
_status_map[SRS_CONSTS_RTSP_PaymentRequired] = SRS_CONSTS_RTSP_PaymentRequired_str;
_status_map[SRS_CONSTS_RTSP_Forbidden] = SRS_CONSTS_RTSP_Forbidden_str;
_status_map[SRS_CONSTS_RTSP_NotFound] = SRS_CONSTS_RTSP_NotFound_str;
_status_map[SRS_CONSTS_RTSP_MethodNotAllowed] = SRS_CONSTS_RTSP_MethodNotAllowed_str;
_status_map[SRS_CONSTS_RTSP_NotAcceptable] = SRS_CONSTS_RTSP_NotAcceptable_str;
_status_map[SRS_CONSTS_RTSP_ProxyAuthenticationRequired] = SRS_CONSTS_RTSP_ProxyAuthenticationRequired_str;
_status_map[SRS_CONSTS_RTSP_RequestTimeout] = SRS_CONSTS_RTSP_RequestTimeout_str;
_status_map[SRS_CONSTS_RTSP_Gone] = SRS_CONSTS_RTSP_Gone_str;
_status_map[SRS_CONSTS_RTSP_LengthRequired] = SRS_CONSTS_RTSP_LengthRequired_str;
_status_map[SRS_CONSTS_RTSP_PreconditionFailed] = SRS_CONSTS_RTSP_PreconditionFailed_str;
_status_map[SRS_CONSTS_RTSP_RequestEntityTooLarge] = SRS_CONSTS_RTSP_RequestEntityTooLarge_str;
_status_map[SRS_CONSTS_RTSP_RequestURITooLarge] = SRS_CONSTS_RTSP_RequestURITooLarge_str;
_status_map[SRS_CONSTS_RTSP_UnsupportedMediaType] = SRS_CONSTS_RTSP_UnsupportedMediaType_str;
_status_map[SRS_CONSTS_RTSP_ParameterNotUnderstood] = SRS_CONSTS_RTSP_ParameterNotUnderstood_str;
_status_map[SRS_CONSTS_RTSP_ConferenceNotFound] = SRS_CONSTS_RTSP_ConferenceNotFound_str;
_status_map[SRS_CONSTS_RTSP_NotEnoughBandwidth] = SRS_CONSTS_RTSP_NotEnoughBandwidth_str;
_status_map[SRS_CONSTS_RTSP_SessionNotFound] = SRS_CONSTS_RTSP_SessionNotFound_str;
_status_map[SRS_CONSTS_RTSP_MethodNotValidInThisState] = SRS_CONSTS_RTSP_MethodNotValidInThisState_str;
_status_map[SRS_CONSTS_RTSP_HeaderFieldNotValidForResource] = SRS_CONSTS_RTSP_HeaderFieldNotValidForResource_str;
_status_map[SRS_CONSTS_RTSP_InvalidRange] = SRS_CONSTS_RTSP_InvalidRange_str;
_status_map[SRS_CONSTS_RTSP_ParameterIsReadOnly] = SRS_CONSTS_RTSP_ParameterIsReadOnly_str;
_status_map[SRS_CONSTS_RTSP_AggregateOperationNotAllowed] = SRS_CONSTS_RTSP_AggregateOperationNotAllowed_str;
_status_map[SRS_CONSTS_RTSP_OnlyAggregateOperationAllowed] = SRS_CONSTS_RTSP_OnlyAggregateOperationAllowed_str;
_status_map[SRS_CONSTS_RTSP_UnsupportedTransport] = SRS_CONSTS_RTSP_UnsupportedTransport_str;
_status_map[SRS_CONSTS_RTSP_DestinationUnreachable] = SRS_CONSTS_RTSP_DestinationUnreachable_str;
_status_map[SRS_CONSTS_RTSP_InternalServerError] = SRS_CONSTS_RTSP_InternalServerError_str;
_status_map[SRS_CONSTS_RTSP_NotImplemented] = SRS_CONSTS_RTSP_NotImplemented_str;
_status_map[SRS_CONSTS_RTSP_BadGateway] = SRS_CONSTS_RTSP_BadGateway_str;
_status_map[SRS_CONSTS_RTSP_ServiceUnavailable] = SRS_CONSTS_RTSP_ServiceUnavailable_str;
_status_map[SRS_CONSTS_RTSP_GatewayTimeout] = SRS_CONSTS_RTSP_GatewayTimeout_str;
_status_map[SRS_CONSTS_RTSP_RTSPVersionNotSupported] = SRS_CONSTS_RTSP_RTSPVersionNotSupported_str;
_status_map[SRS_CONSTS_RTSP_OptionNotSupported] = SRS_CONSTS_RTSP_OptionNotSupported_str;
_status_map[SRS_CONSTS_RTSP_Continue] = SRS_CONSTS_RTSP_Continue_str;
_status_map[SRS_CONSTS_RTSP_OK] = SRS_CONSTS_RTSP_OK_str;
_status_map[SRS_CONSTS_RTSP_Created] = SRS_CONSTS_RTSP_Created_str;
_status_map[SRS_CONSTS_RTSP_LowOnStorageSpace] = SRS_CONSTS_RTSP_LowOnStorageSpace_str;
_status_map[SRS_CONSTS_RTSP_MultipleChoices] = SRS_CONSTS_RTSP_MultipleChoices_str;
_status_map[SRS_CONSTS_RTSP_MovedPermanently] = SRS_CONSTS_RTSP_MovedPermanently_str;
_status_map[SRS_CONSTS_RTSP_MovedTemporarily] = SRS_CONSTS_RTSP_MovedTemporarily_str;
_status_map[SRS_CONSTS_RTSP_SeeOther] = SRS_CONSTS_RTSP_SeeOther_str;
_status_map[SRS_CONSTS_RTSP_NotModified] = SRS_CONSTS_RTSP_NotModified_str;
_status_map[SRS_CONSTS_RTSP_UseProxy] = SRS_CONSTS_RTSP_UseProxy_str;
_status_map[SRS_CONSTS_RTSP_BadRequest] = SRS_CONSTS_RTSP_BadRequest_str;
_status_map[SRS_CONSTS_RTSP_Unauthorized] = SRS_CONSTS_RTSP_Unauthorized_str;
_status_map[SRS_CONSTS_RTSP_PaymentRequired] = SRS_CONSTS_RTSP_PaymentRequired_str;
_status_map[SRS_CONSTS_RTSP_Forbidden] = SRS_CONSTS_RTSP_Forbidden_str;
_status_map[SRS_CONSTS_RTSP_NotFound] = SRS_CONSTS_RTSP_NotFound_str;
_status_map[SRS_CONSTS_RTSP_MethodNotAllowed] = SRS_CONSTS_RTSP_MethodNotAllowed_str;
_status_map[SRS_CONSTS_RTSP_NotAcceptable] = SRS_CONSTS_RTSP_NotAcceptable_str;
_status_map[SRS_CONSTS_RTSP_ProxyAuthenticationRequired] = SRS_CONSTS_RTSP_ProxyAuthenticationRequired_str;
_status_map[SRS_CONSTS_RTSP_RequestTimeout] = SRS_CONSTS_RTSP_RequestTimeout_str;
_status_map[SRS_CONSTS_RTSP_Gone] = SRS_CONSTS_RTSP_Gone_str;
_status_map[SRS_CONSTS_RTSP_LengthRequired] = SRS_CONSTS_RTSP_LengthRequired_str;
_status_map[SRS_CONSTS_RTSP_PreconditionFailed] = SRS_CONSTS_RTSP_PreconditionFailed_str;
_status_map[SRS_CONSTS_RTSP_RequestEntityTooLarge] = SRS_CONSTS_RTSP_RequestEntityTooLarge_str;
_status_map[SRS_CONSTS_RTSP_RequestURITooLarge] = SRS_CONSTS_RTSP_RequestURITooLarge_str;
_status_map[SRS_CONSTS_RTSP_UnsupportedMediaType] = SRS_CONSTS_RTSP_UnsupportedMediaType_str;
_status_map[SRS_CONSTS_RTSP_ParameterNotUnderstood] = SRS_CONSTS_RTSP_ParameterNotUnderstood_str;
_status_map[SRS_CONSTS_RTSP_ConferenceNotFound] = SRS_CONSTS_RTSP_ConferenceNotFound_str;
_status_map[SRS_CONSTS_RTSP_NotEnoughBandwidth] = SRS_CONSTS_RTSP_NotEnoughBandwidth_str;
_status_map[SRS_CONSTS_RTSP_SessionNotFound] = SRS_CONSTS_RTSP_SessionNotFound_str;
_status_map[SRS_CONSTS_RTSP_MethodNotValidInThisState] = SRS_CONSTS_RTSP_MethodNotValidInThisState_str;
_status_map[SRS_CONSTS_RTSP_HeaderFieldNotValidForResource] = SRS_CONSTS_RTSP_HeaderFieldNotValidForResource_str;
_status_map[SRS_CONSTS_RTSP_InvalidRange] = SRS_CONSTS_RTSP_InvalidRange_str;
_status_map[SRS_CONSTS_RTSP_ParameterIsReadOnly] = SRS_CONSTS_RTSP_ParameterIsReadOnly_str;
_status_map[SRS_CONSTS_RTSP_AggregateOperationNotAllowed] = SRS_CONSTS_RTSP_AggregateOperationNotAllowed_str;
_status_map[SRS_CONSTS_RTSP_OnlyAggregateOperationAllowed] = SRS_CONSTS_RTSP_OnlyAggregateOperationAllowed_str;
_status_map[SRS_CONSTS_RTSP_UnsupportedTransport] = SRS_CONSTS_RTSP_UnsupportedTransport_str;
_status_map[SRS_CONSTS_RTSP_DestinationUnreachable] = SRS_CONSTS_RTSP_DestinationUnreachable_str;
_status_map[SRS_CONSTS_RTSP_InternalServerError] = SRS_CONSTS_RTSP_InternalServerError_str;
_status_map[SRS_CONSTS_RTSP_NotImplemented] = SRS_CONSTS_RTSP_NotImplemented_str;
_status_map[SRS_CONSTS_RTSP_BadGateway] = SRS_CONSTS_RTSP_BadGateway_str;
_status_map[SRS_CONSTS_RTSP_ServiceUnavailable] = SRS_CONSTS_RTSP_ServiceUnavailable_str;
_status_map[SRS_CONSTS_RTSP_GatewayTimeout] = SRS_CONSTS_RTSP_GatewayTimeout_str;
_status_map[SRS_CONSTS_RTSP_RTSPVersionNotSupported] = SRS_CONSTS_RTSP_RTSPVersionNotSupported_str;
_status_map[SRS_CONSTS_RTSP_OptionNotSupported] = SRS_CONSTS_RTSP_OptionNotSupported_str;
}
std::string status_text;
@ -104,7 +104,7 @@ string srs_generate_rtsp_status_text(int status)
return status_text;
}
std::string srs_generate_rtsp_method_str(SrsRtspMethod method)
std::string srs_generate_rtsp_method_str(SrsRtspMethod method)
{
switch (method) {
case SrsRtspMethodDescribe: return SRS_METHOD_DESCRIBE;
@ -129,12 +129,12 @@ SrsRtpPacket::SrsRtpPacket()
extension = 0;
csrc_count = 0;
marker = 1;
payload_type = 0;
sequence_number = 0;
timestamp = 0;
ssrc = 0;
payload = new SrsSimpleStream();
audio = new SrsAudioFrame();
chunked = false;
@ -158,7 +158,7 @@ void SrsRtpPacket::copy(SrsRtpPacket* src)
sequence_number = src->sequence_number;
timestamp = src->timestamp;
ssrc = src->ssrc;
chunked = src->chunked;
completed = src->completed;
@ -169,7 +169,7 @@ void SrsRtpPacket::copy(SrsRtpPacket* src)
void SrsRtpPacket::reap(SrsRtpPacket* src)
{
copy(src);
srs_freep(payload);
payload = src->payload;
src->payload = NULL;
@ -182,112 +182,112 @@ void SrsRtpPacket::reap(SrsRtpPacket* src)
int SrsRtpPacket::decode(SrsBuffer* stream)
{
int ret = ERROR_SUCCESS;
// 12bytes header
if (!stream->require(12)) {
ret = ERROR_RTP_HEADER_CORRUPT;
srs_error("rtsp: rtp header corrupt. ret=%d", ret);
return ret;
}
int8_t vv = stream->read_1bytes();
version = (vv >> 6) & 0x03;
padding = (vv >> 5) & 0x01;
extension = (vv >> 4) & 0x01;
csrc_count = vv & 0x0f;
int8_t mv = stream->read_1bytes();
marker = (mv >> 7) & 0x01;
payload_type = mv & 0x7f;
sequence_number = stream->read_2bytes();
timestamp = stream->read_4bytes();
ssrc = stream->read_4bytes();
// TODO: FIXME: check sequence number.
// video codec.
if (payload_type == 96) {
return decode_96(stream);
} else if (payload_type == 97) {
return decode_97(stream);
}
return ret;
}
int SrsRtpPacket::decode_97(SrsBuffer* stream)
{
int ret = ERROR_SUCCESS;
// atleast 2bytes content.
if (!stream->require(2)) {
ret = ERROR_RTP_TYPE97_CORRUPT;
srs_error("rtsp: rtp type97 corrupt. ret=%d", ret);
return ret;
}
int8_t hasv = stream->read_1bytes();
int8_t lasv = stream->read_1bytes();
uint16_t au_size = ((hasv << 5) & 0xE0) | ((lasv >> 3) & 0x1f);
if (!stream->require(au_size)) {
ret = ERROR_RTP_TYPE97_CORRUPT;
srs_error("rtsp: rtp type97 au_size corrupt. ret=%d", ret);
return ret;
}
int required_size = 0;
// append left bytes to payload.
payload->append(
stream->data() + stream->pos() + au_size,
stream->size() - stream->pos() - au_size
);
stream->data() + stream->pos() + au_size,
stream->size() - stream->pos() - au_size
);
char* p = payload->bytes();
for (int i = 0; i < au_size; i += 2) {
hasv = stream->read_1bytes();
lasv = stream->read_1bytes();
uint16_t sample_size = ((hasv << 5) & 0xE0) | ((lasv >> 3) & 0x1f);
// TODO: FIXME: finger out how to parse the size of sample.
if (sample_size < 0x100 && stream->require(required_size + sample_size + 0x100)) {
sample_size = sample_size | 0x100;
}
char* sample = p + required_size;
required_size += sample_size;
if (!stream->require(required_size)) {
ret = ERROR_RTP_TYPE97_CORRUPT;
srs_error("rtsp: rtp type97 samples corrupt. ret=%d", ret);
return ret;
}
if ((ret = audio->add_sample(sample, sample_size)) != ERROR_SUCCESS) {
srs_error("rtsp: rtp type97 add sample failed. ret=%d", ret);
return ret;
}
}
// parsed ok.
completed = true;
return ret;
}
int SrsRtpPacket::decode_96(SrsBuffer* stream)
{
int ret = ERROR_SUCCESS;
// atleast 2bytes content.
if (!stream->require(2)) {
ret = ERROR_RTP_TYPE96_CORRUPT;
srs_error("rtsp: rtp type96 corrupt. ret=%d", ret);
return ret;
}
// frame type
// 0... .... reserverd
// .11. .... NALU[0]&0x60
@ -296,7 +296,7 @@ int SrsRtpPacket::decode_96(SrsBuffer* stream)
int8_t ftv = stream->read_1bytes();
int8_t nalu_0x60 = ftv & 0x60;
int8_t fu_indicator = ftv & 0x1c;
// nri, whatever
// 10.. .... first chunk.
// 00.. .... continous chunk.
@ -307,12 +307,12 @@ int SrsRtpPacket::decode_96(SrsBuffer* stream)
bool last_chunk = (nriv & 0xC0) == 0x40;
bool contious_chunk = (nriv & 0xC0) == 0x00;
int8_t nalu_0x1f = nriv & 0x1f;
// chunked, generate the first byte NALU.
if (fu_indicator == 0x1c && (first_chunk || last_chunk || contious_chunk)) {
chunked = true;
completed = last_chunk;
// generate and append the first byte NALU.
if (first_chunk) {
int8_t nalu_byte0 = nalu_0x60 | nalu_0x1f;
@ -322,12 +322,12 @@ int SrsRtpPacket::decode_96(SrsBuffer* stream)
payload->append(stream->data() + stream->pos(), stream->size() - stream->pos());
return ret;
}
// no chunked, append to payload.
stream->skip(-2);
payload->append(stream->data() + stream->pos(), stream->size() - stream->pos());
completed = true;
return ret;
}
@ -343,18 +343,18 @@ SrsRtspSdp::~SrsRtspSdp()
int SrsRtspSdp::parse(string token)
{
int ret = ERROR_SUCCESS;
if (token.empty()) {
srs_info("rtsp: ignore empty token.");
return ret;
}
size_t pos = string::npos;
char* start = (char*)token.data();
char* end = start + (int)token.length();
char* p = start;
// key, first 2bytes.
// v=0
// o=- 0 0 IN IP4 127.0.0.1
@ -374,13 +374,13 @@ int SrsRtspSdp::parse(string token)
// a=control:streamid=1
char key = p[0];
p += 2;
// left bytes as attr string.
std::string attr_str;
if (end - p) {
attr_str.append(p, end - p);
}
// parse the attributes from left bytes.
std::vector<std::string> attrs;
while (p < end) {
@ -395,7 +395,7 @@ int SrsRtspSdp::parse(string token)
}
p++;
}
// parse the first attr as desc, update the first elem for desc.
// for example, the value can be "tool", "AS", "rtpmap", "fmtp", "control"
std::string desc_key;
@ -410,7 +410,7 @@ int SrsRtspSdp::parse(string token)
desc_key = attr;
}
}
// interpret the attribute according by key.
switch (key) {
case 'v': version = attr_str; break;
@ -492,7 +492,7 @@ int SrsRtspSdp::parse(string token)
case 't':
default: break;
}
return ret;
}
@ -502,7 +502,7 @@ int SrsRtspSdp::parse_fmtp_attribute(string attr)
size_t pos = string::npos;
std::string token = attr;
while (!token.empty()) {
std::string item = token;
if ((pos = item.find(";")) != string::npos) {
@ -511,13 +511,13 @@ int SrsRtspSdp::parse_fmtp_attribute(string attr)
} else {
token = "";
}
std::string item_key = item, item_value;
if ((pos = item.find("=")) != string::npos) {
item_key = item.substr(0, pos);
item_value = item.substr(pos + 1);
}
if (state == SrsRtspSdpStateVideo) {
if (item_key == "packetization-mode") {
video_packetization_mode = item_value;
@ -548,7 +548,7 @@ int SrsRtspSdp::parse_fmtp_attribute(string attr)
srs_error("rtsp: audio config failed. ret=%d", ret);
return ret;
}
char* tmp_sh = new char[item_value.length()];
SrsAutoFreeA(char, tmp_sh);
int nb_tmp_sh = ff_hex_to_data((uint8_t*)tmp_sh, item_value.c_str());
@ -557,7 +557,7 @@ int SrsRtspSdp::parse_fmtp_attribute(string attr)
}
}
}
return ret;
}
@ -567,7 +567,7 @@ int SrsRtspSdp::parse_control_attribute(string attr)
size_t pos = string::npos;
std::string token = attr;
while (!token.empty()) {
std::string item = token;
if ((pos = item.find(";")) != string::npos) {
@ -576,13 +576,13 @@ int SrsRtspSdp::parse_control_attribute(string attr)
} else {
token = "";
}
std::string item_key = item, item_value;
if ((pos = item.find("=")) != string::npos) {
item_key = item.substr(0, pos);
item_value = item.substr(pos + 1);
}
if (state == SrsRtspSdpStateVideo) {
if (item_key == "streamid") {
video_stream_id = item_value;
@ -593,7 +593,7 @@ int SrsRtspSdp::parse_control_attribute(string attr)
}
}
}
return ret;
}
@ -602,16 +602,16 @@ string SrsRtspSdp::base64_decode(string value)
if (value.empty()) {
return "";
}
int nb_output = (int)(value.length() * 2);
uint8_t* output = new uint8_t[nb_output];
SrsAutoFreeA(uint8_t, output);
int ret = srs_av_base64_decode(output, (char*)value.c_str(), nb_output);
if (ret <= 0) {
return "";
}
std::string plaintext;
plaintext.append((char*)output, ret);
return plaintext;
@ -633,7 +633,7 @@ int SrsRtspTransport::parse(string attr)
size_t pos = string::npos;
std::string token = attr;
while (!token.empty()) {
std::string item = token;
if ((pos = item.find(";")) != string::npos) {
@ -642,13 +642,13 @@ int SrsRtspTransport::parse(string attr)
} else {
token = "";
}
std::string item_key = item, item_value;
if ((pos = item.find("=")) != string::npos) {
item_key = item.substr(0, pos);
item_value = item.substr(pos + 1);
}
if (transport.empty()) {
transport = item_key;
if ((pos = transport.find("/")) != string::npos) {
@ -660,7 +660,7 @@ int SrsRtspTransport::parse(string attr)
profile = profile.substr(0, pos);
}
}
if (item_key == "unicast" || item_key == "multicast") {
cast_type = item_key;
} else if (item_key == "mode") {
@ -676,7 +676,7 @@ int SrsRtspTransport::parse(string attr)
client_port_max = ::atoi(eport.c_str());
}
}
return ret;
}
@ -728,33 +728,33 @@ SrsRtspResponse::~SrsRtspResponse()
int SrsRtspResponse::encode(stringstream& ss)
{
int ret = ERROR_SUCCESS;
// status line
ss << SRS_RTSP_VERSION << SRS_RTSP_SP
<< status << SRS_RTSP_SP
<< srs_generate_rtsp_status_text(status) << SRS_RTSP_CRLF;
ss << SRS_RTSP_VERSION << SRS_RTSP_SP
<< status << SRS_RTSP_SP
<< srs_generate_rtsp_status_text(status) << SRS_RTSP_CRLF;
// cseq
ss << SRS_RTSP_TOKEN_CSEQ << ":" << SRS_RTSP_SP << seq << SRS_RTSP_CRLF;
// others.
ss << "Cache-Control: no-store" << SRS_RTSP_CRLF
<< "Pragma: no-cache" << SRS_RTSP_CRLF
<< "Server: " << RTMP_SIG_SRS_SERVER << SRS_RTSP_CRLF;
<< "Pragma: no-cache" << SRS_RTSP_CRLF
<< "Server: " << RTMP_SIG_SRS_SERVER << SRS_RTSP_CRLF;
// session if specified.
if (!session.empty()) {
ss << SRS_RTSP_TOKEN_SESSION << ":" << session << SRS_RTSP_CRLF;
}
if ((ret = encode_header(ss)) != ERROR_SUCCESS) {
srs_error("rtsp: encode header failed. ret=%d", ret);
return ret;
};
// header EOF.
ss << SRS_RTSP_CRLF;
return ret;
}
@ -765,7 +765,7 @@ int SrsRtspResponse::encode_header(std::stringstream& ss)
SrsRtspOptionsResponse::SrsRtspOptionsResponse(int cseq) : SrsRtspResponse(cseq)
{
methods = (SrsRtspMethod)(SrsRtspMethodDescribe | SrsRtspMethodOptions
methods = (SrsRtspMethod)(SrsRtspMethodDescribe | SrsRtspMethodOptions
| SrsRtspMethodPause | SrsRtspMethodPlay | SrsRtspMethodSetup | SrsRtspMethodTeardown
| SrsRtspMethodAnnounce | SrsRtspMethodRecord);
}
@ -789,9 +789,9 @@ int SrsRtspOptionsResponse::encode_header(stringstream& ss)
SrsRtspMethodSetParameter,
SrsRtspMethodTeardown,
};
ss << SRS_RTSP_TOKEN_PUBLIC << ":" << SRS_RTSP_SP;
bool appended = false;
int nb_methods = (int)(sizeof(rtsp_methods) / sizeof(SrsRtspMethod));
for (int i = 0; i < nb_methods; i++) {
@ -799,7 +799,7 @@ int SrsRtspOptionsResponse::encode_header(stringstream& ss)
if (((int)methods & (int)method) != (int)method) {
continue;
}
if (appended) {
ss << ", ";
}
@ -807,7 +807,7 @@ int SrsRtspOptionsResponse::encode_header(stringstream& ss)
appended = true;
}
ss << SRS_RTSP_CRLF;
return ERROR_SUCCESS;
}
@ -824,10 +824,10 @@ SrsRtspSetupResponse::~SrsRtspSetupResponse()
int SrsRtspSetupResponse::encode_header(stringstream& ss)
{
ss << SRS_RTSP_TOKEN_SESSION << ":" << SRS_RTSP_SP << session << SRS_RTSP_CRLF;
ss << SRS_RTSP_TOKEN_TRANSPORT << ":" << SRS_RTSP_SP
<< "RTP/AVP;unicast;client_port=" << client_port_min << "-" << client_port_max << ";"
<< "server_port=" << local_port_min << "-" << local_port_max
<< SRS_RTSP_CRLF;
ss << SRS_RTSP_TOKEN_TRANSPORT << ":" << SRS_RTSP_SP
<< "RTP/AVP;unicast;client_port=" << client_port_min << "-" << client_port_max << ";"
<< "server_port=" << local_port_min << "-" << local_port_max
<< SRS_RTSP_CRLF;
return ERROR_SUCCESS;
}
@ -845,29 +845,29 @@ SrsRtspStack::~SrsRtspStack()
int SrsRtspStack::recv_message(SrsRtspRequest** preq)
{
int ret = ERROR_SUCCESS;
SrsRtspRequest* req = new SrsRtspRequest();
if ((ret = do_recv_message(req)) != ERROR_SUCCESS) {
srs_freep(req);
return ret;
}
*preq = req;
return ret;
}
int SrsRtspStack::send_message(SrsRtspResponse* res)
{
int ret = ERROR_SUCCESS;
std::stringstream ss;
// encode the message to string.
res->encode(ss);
std::string str = ss.str();
srs_assert(!str.empty());
if ((ret = skt->write((char*)str.c_str(), (int)str.length(), NULL)) != ERROR_SUCCESS) {
if (!srs_is_client_gracefully_close(ret)) {
srs_error("rtsp: send response failed. ret=%d", ret);
@ -875,14 +875,14 @@ int SrsRtspStack::send_message(SrsRtspResponse* res)
return ret;
}
srs_info("rtsp: send response ok");
return ret;
}
int SrsRtspStack::do_recv_message(SrsRtspRequest* req)
{
int ret = ERROR_SUCCESS;
// parse request line.
if ((ret = recv_token_normal(req->method)) != ERROR_SUCCESS) {
if (!srs_is_client_gracefully_close(ret)) {
@ -890,21 +890,21 @@ int SrsRtspStack::do_recv_message(SrsRtspRequest* req)
}
return ret;
}
if ((ret = recv_token_normal(req->uri)) != ERROR_SUCCESS) {
if (!srs_is_client_gracefully_close(ret)) {
srs_error("rtsp: parse uri failed. ret=%d", ret);
}
return ret;
}
if ((ret = recv_token_eof(req->version)) != ERROR_SUCCESS) {
if (!srs_is_client_gracefully_close(ret)) {
srs_error("rtsp: parse version failed. ret=%d", ret);
}
return ret;
}
// parse headers.
for (;;) {
// parse the header name
@ -920,7 +920,7 @@ int SrsRtspStack::do_recv_message(SrsRtspRequest* req)
}
return ret;
}
// parse the header value according by header name
if (token == SRS_RTSP_TOKEN_CSEQ) {
std::string seq;
@ -986,7 +986,7 @@ int SrsRtspStack::do_recv_message(SrsRtspRequest* req)
}
}
}
// for setup, parse the stream id from uri.
if (req->is_setup()) {
size_t pos = string::npos;
@ -997,14 +997,14 @@ int SrsRtspStack::do_recv_message(SrsRtspRequest* req)
req->stream_id = ::atoi(stream_id.c_str());
srs_info("rtsp: setup stream id=%d", req->stream_id);
}
// parse rdp body.
long consumed = 0;
while (consumed < req->content_length) {
if (!req->sdp) {
req->sdp = new SrsRtspSdp();
}
int nb_token = 0;
std::string token;
if ((ret = recv_token_util_eof(token, &nb_token)) != ERROR_SUCCESS) {
@ -1014,7 +1014,7 @@ int SrsRtspStack::do_recv_message(SrsRtspRequest* req)
return ret;
}
consumed += nb_token;
if ((ret = req->sdp->parse(token)) != ERROR_SUCCESS) {
srs_error("rtsp: sdp parse token failed, token=%s. ret=%d", token.c_str(), ret);
return ret;
@ -1022,16 +1022,16 @@ int SrsRtspStack::do_recv_message(SrsRtspRequest* req)
srs_info("rtsp: %s", token.c_str());
}
srs_info("rtsp: sdp parsed, size=%d", consumed);
return ret;
}
int SrsRtspStack::recv_token_normal(std::string& token)
{
int ret = ERROR_SUCCESS;
SrsRtspTokenState state;
if ((ret = recv_token(token, state)) != ERROR_SUCCESS) {
if (ret == ERROR_RTSP_REQUEST_HEADER_EOF) {
return ret;
@ -1041,22 +1041,22 @@ int SrsRtspStack::recv_token_normal(std::string& token)
}
return ret;
}
if (state != SrsRtspTokenStateNormal) {
ret = ERROR_RTSP_TOKEN_NOT_NORMAL;
srs_error("rtsp: parse normal token failed, state=%d. ret=%d", state, ret);
return ret;
}
return ret;
}
int SrsRtspStack::recv_token_eof(std::string& token)
{
int ret = ERROR_SUCCESS;
SrsRtspTokenState state;
if ((ret = recv_token(token, state)) != ERROR_SUCCESS) {
if (ret == ERROR_RTSP_REQUEST_HEADER_EOF) {
return ret;
@ -1066,22 +1066,22 @@ int SrsRtspStack::recv_token_eof(std::string& token)
}
return ret;
}
if (state != SrsRtspTokenStateEOF) {
ret = ERROR_RTSP_TOKEN_NOT_NORMAL;
srs_error("rtsp: parse eof token failed, state=%d. ret=%d", state, ret);
return ret;
}
return ret;
}
int SrsRtspStack::recv_token_util_eof(std::string& token, int* pconsumed)
{
int ret = ERROR_SUCCESS;
SrsRtspTokenState state;
// use 0x00 as ignore the normal token flag.
if ((ret = recv_token(token, state, 0x00, pconsumed)) != ERROR_SUCCESS) {
if (ret == ERROR_RTSP_REQUEST_HEADER_EOF) {
@ -1092,32 +1092,32 @@ int SrsRtspStack::recv_token_util_eof(std::string& token, int* pconsumed)
}
return ret;
}
if (state != SrsRtspTokenStateEOF) {
ret = ERROR_RTSP_TOKEN_NOT_NORMAL;
srs_error("rtsp: parse eof token failed, state=%d. ret=%d", state, ret);
return ret;
}
return ret;
}
int SrsRtspStack::recv_token(std::string& token, SrsRtspTokenState& state, char normal_ch, int* pconsumed)
{
int ret = ERROR_SUCCESS;
// whatever, default to error state.
state = SrsRtspTokenStateError;
// when buffer is empty, append bytes first.
bool append_bytes = buf->length() == 0;
// parse util token.
for (;;) {
// append bytes if required.
if (append_bytes) {
append_bytes = false;
char buffer[SRS_RTSP_BUFFER];
ssize_t nb_read = 0;
if ((ret = skt->read(buffer, SRS_RTSP_BUFFER, &nb_read)) != ERROR_SUCCESS) {
@ -1127,19 +1127,19 @@ int SrsRtspStack::recv_token(std::string& token, SrsRtspTokenState& state, char
return ret;
}
srs_info("rtsp: io read %d bytes", nb_read);
buf->append(buffer, nb_read);
}
// parse one by one.
char* start = buf->bytes();
char* end = start + buf->length();
char* p = start;
// find util SP/CR/LF, max 2 EOF, to finger out the EOF of message.
for (; p < end && p[0] != normal_ch && p[0] != SRS_RTSP_CR && p[0] != SRS_RTSP_LF; p++) {
}
// matched.
if (p < end) {
// finger out the state.
@ -1160,11 +1160,11 @@ int SrsRtspStack::recv_token(std::string& token, SrsRtspTokenState& state, char
} else {
ret = ERROR_RTSP_REQUEST_HEADER_EOF;
}
// ignore SP/CR/LF
for (int i = 0; i < 2 && p < end && (p[0] == normal_ch || p[0] == SRS_RTSP_CR || p[0] == SRS_RTSP_LF); p++, i++) {
}
// consume the token bytes.
srs_assert(p - start);
buf->erase(p - start);
@ -1173,11 +1173,11 @@ int SrsRtspStack::recv_token(std::string& token, SrsRtspTokenState& state, char
}
break;
}
// append more and parse again.
append_bytes = true;
}
return ret;
}