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fix #203, srs-librtmp drop any video before sps/pps(sequence header). 2.0.21.

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pull/133/head
winlin 10 years ago
parent ecfbcd68d8
commit 278ff845d3
6 changed files with 50 additions and 13 deletions
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1
README.md
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@ -244,6 +244,7 @@ Supported operating systems and hardware:
* 2013-10-17, Created.<br/>
## History
* v2.0, 2014-11-15, fix [#203](https://github.com/winlinvip/simple-rtmp-server/issues/203), srs-librtmp drop any video before sps/pps(sequence header). 2.0.21.
* v2.0, 2014-11-15, fix [#202](https://github.com/winlinvip/simple-rtmp-server/issues/202), fix memory leak of h.264 raw packet send in srs-librtmp. 2.0.20.
* v2.0, 2014-11-13, fix [#200](https://github.com/winlinvip/simple-rtmp-server/issues/200), deadloop when read/write 0 and ETIME. 2.0.16.
* v2.0, 2014-11-13, fix [#194](https://github.com/winlinvip/simple-rtmp-server/issues/194), writev multiple msgs, support 6k+ 250kbps clients. 2.0.15.

11
trunk/research/librtmp/srs_h264_raw_publish.c
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@ -166,9 +166,14 @@ int main(int argc, char** argv)
}
// send out the h264 packet over RTMP
if (srs_write_h264_raw_frames(rtmp, data, size, dts, pts) != 0) {
srs_lib_trace("send h264 raw data failed.");
goto rtmp_destroy;
int error = srs_h264_write_raw_frames(rtmp, data, size, dts, pts);
if (error != 0) {
if (srs_h264_is_dvbsp_error(error)) {
srs_lib_trace("ignore drop video error, code=%d", error);
} else {
srs_lib_trace("send h264 raw data failed.");
goto rtmp_destroy;
}
}
// 5bits, 7.3.1 NAL unit syntax,

2
trunk/src/core/srs_core.hpp
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@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// current release version
#define VERSION_MAJOR 2
#define VERSION_MINOR 0
#define VERSION_REVISION 20
#define VERSION_REVISION 21
// server info.
#define RTMP_SIG_SRS_KEY "SRS"
#define RTMP_SIG_SRS_ROLE "origin/edge server"

1
trunk/src/kernel/srs_kernel_error.hpp
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@ -186,6 +186,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define ERROR_HLS_AVC_TRY_OTHERS 3040
#define ERROR_H264_API_NO_PREFIXED 3041
#define ERROR_FLV_INVALID_VIDEO_TAG 3042
#define ERROR_H264_DROP_BEFORE_SPS_PPS 3043
/**
* whether the error code is an system control error.

18
trunk/src/libs/srs_librtmp.cpp
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@ -76,11 +76,15 @@ struct Context
// about SPS, @see: 7.3.2.1.1, H.264-AVC-ISO_IEC_14496-10-2012.pdf, page 62
std::string h264_sps;
std::string h264_pps;
// whether the sps and pps sent,
// @see https://github.com/winlinvip/simple-rtmp-server/issues/203
bool h264_sps_pps_sent;
Context() {
rtmp = NULL;
skt = NULL;
stream_id = 0;
h264_sps_pps_sent = false;
}
virtual ~Context() {
srs_freep(rtmp);
@ -1205,6 +1209,7 @@ int __srs_write_h264_sps_pps(Context* context, u_int32_t dts, u_int32_t pts)
// reset sps and pps.
context->h264_pps = "";
context->h264_sps = "";
context->h264_sps_pps_sent = true;
// TODO: FIXME: for more profile.
// 5.3.4.2.1 Syntax, H.264-AVC-ISO_IEC_14496-15.pdf, page 16
@ -1227,6 +1232,12 @@ int __srs_write_h264_ipb_frame(Context* context,
) {
int ret = ERROR_SUCCESS;
// when sps or pps not sent, ignore the packet.
// @see https://github.com/winlinvip/simple-rtmp-server/issues/203
if (!context->h264_sps_pps_sent) {
return ERROR_H264_DROP_BEFORE_SPS_PPS;
}
// 5bits, 7.3.1 NAL unit syntax,
// H.264-AVC-ISO_IEC_14496-10.pdf, page 44.
// 7: SPS, 8: PPS, 5: I Frame, 1: P Frame
@ -1315,7 +1326,7 @@ int __srs_write_h264_raw_frame(Context* context,
/**
* write h264 multiple frames, in annexb format.
*/
int srs_write_h264_raw_frames(srs_rtmp_t rtmp,
int srs_h264_write_raw_frames(srs_rtmp_t rtmp,
char* frames, int frames_size, u_int32_t dts, u_int32_t pts
) {
int ret = ERROR_SUCCESS;
@ -1360,6 +1371,11 @@ int srs_write_h264_raw_frames(srs_rtmp_t rtmp,
return ret;
}
srs_h264_bool srs_h264_is_dvbsp_error(int error_code)
{
return error_code == ERROR_H264_DROP_BEFORE_SPS_PPS;
}
int srs_h264_startswith_annexb(char* h264_raw_data, int h264_raw_size, int* pnb_start_code)
{
SrsStream stream;

30
trunk/src/libs/srs_librtmp.hpp
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@ -424,6 +424,7 @@ extern char* srs_amf0_human_print(srs_amf0_t amf0, char** pdata, int* psize);
* h264 raw codec
**************************************************************
*************************************************************/
typedef int srs_h264_bool;
/**
* write h.264 raw frame over RTMP to rtmp server.
* @param frames the input h264 raw data, encoded h.264 I/P/B frames data.
@ -441,8 +442,10 @@ extern char* srs_amf0_human_print(srs_amf0_t amf0, char** pdata, int* psize);
* @remark, cts = pts - dts
* @remark, use srs_h264_startswith_annexb to check whether frame is annexb format.
* @example /trunk/research/librtmp/srs_h264_raw_publish.c
* @see https://github.com/winlinvip/simple-rtmp-server/issues/66
*
* @return 0, success; otherswise, failed.
* for dvbsp error, check by srs_h264_is_dvbsp_error(error_code).
*/
/**
For the example file:
@ -458,25 +461,36 @@ The data sequence is:
0000000141E02041F8CDDC562BBDEFAD2F.....
User can send the SPS+PPS, then each frame:
// SPS+PPS
srs_write_h264_raw_frame('000000016742802995A014016E400000000168CE3880', size, dts, pts)
srs_h264_write_raw_frames('000000016742802995A014016E400000000168CE3880', size, dts, pts)
// IFrame
srs_write_h264_raw_frame('0000000165B8041014C038008B0D0D3A071......', size, dts, pts)
srs_h264_write_raw_frames('0000000165B8041014C038008B0D0D3A071......', size, dts, pts)
// PFrame
srs_write_h264_raw_frame('0000000141E02041F8CDDC562BBDEFAD2F......', size, dts, pts)
srs_h264_write_raw_frames('0000000141E02041F8CDDC562BBDEFAD2F......', size, dts, pts)
User also can send one by one:
// SPS
srs_write_h264_raw_frame('000000016742802995A014016E4', size, dts, pts)
srs_h264_write_raw_frames('000000016742802995A014016E4', size, dts, pts)
// PPS
srs_write_h264_raw_frame('00000000168CE3880', size, dts, pts)
srs_h264_write_raw_frames('00000000168CE3880', size, dts, pts)
// IFrame
srs_write_h264_raw_frame('0000000165B8041014C038008B0D0D3A071......', size, dts, pts)
srs_h264_write_raw_frames('0000000165B8041014C038008B0D0D3A071......', size, dts, pts)
// PFrame
srs_write_h264_raw_frame('0000000141E02041F8CDDC562BBDEFAD2F......', size, dts, pts)
srs_h264_write_raw_frames('0000000141E02041F8CDDC562BBDEFAD2F......', size, dts, pts)
*/
extern int srs_write_h264_raw_frames(srs_rtmp_t rtmp,
extern int srs_h264_write_raw_frames(srs_rtmp_t rtmp,
char* frames, int frames_size, u_int32_t dts, u_int32_t pts
);
/**
* whether error_code is dvbsp(drop video before sps/pps/sequence-header) error.
*
* @see https://github.com/winlinvip/simple-rtmp-server/issues/203
* @example /trunk/research/librtmp/srs_h264_raw_publish.c
* @remark why drop video?
* some encoder, for example, ipcamera, will send sps/pps before each IFrame,
* so, when error and reconnect the rtmp, the first video is not sps/pps(sequence header),
* this will cause SRS server to disable HLS.
*/
extern srs_h264_bool srs_h264_is_dvbsp_error(int error_code);
/**
* whether h264 raw data starts with the annexb,
* which bytes sequence matches N[00] 00 00 01, where N>=0.
* @param h264_raw_data the input h264 raw data, a encoded h.264 I/P/B frame data.

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