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ignore other 264 frame except sps,pps,idr,nonidr

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This commit is contained in:
winlin 2016-08-18 11:27:11 +08:00
parent dbc6d94028
commit a4bb03b9d6
1 changed files with 14 additions and 0 deletions
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14
trunk/src/libs/srs_librtmp.cpp
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@ -1366,6 +1366,11 @@ int srs_write_h264_raw_frame(Context* context,
char* frame, int frame_size, u_int32_t dts, u_int32_t pts
) {
int ret = ERROR_SUCCESS;
// empty frame.
if (frame_size <= 0) {
return ret;
}
// for sps
if (context->avc_raw.is_sps(frame, frame_size)) {
@ -1399,6 +1404,15 @@ int srs_write_h264_raw_frame(Context* context,
return ret;
}
// ignore others.
// 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
SrsAvcNaluType nut = (SrsAvcNaluType)(frame[0] & 0x1f);
if (nut != SrsAvcNaluTypeSPS && nut != SrsAvcNaluTypePPS && nut != SrsAvcNaluTypeIDR && nut != SrsAvcNaluTypeNonIDR) {
return ret;
}
// send pps+sps before ipb frames when sps/pps changed.
if ((ret = srs_write_h264_sps_pps(context, dts, pts)) != ERROR_SUCCESS) {
return ret;