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fix the avc codec bug, the ibmf format may like the annexb, we must guess only one time. 2.0.114

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This commit is contained in:
winlin 2015-02-10 22:37:29 +08:00
parent 66931a8890
commit 87519aaae8
3 changed files with 48 additions and 10 deletions
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41
trunk/src/kernel/srs_kernel_codec.cpp
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@ -199,6 +199,7 @@ SrsAvcAacCodec::SrsAvcAacCodec()
pictureParameterSetLength = 0;
pictureParameterSetNALUnit = NULL;
payload_format = SrsAvcPayloadFormatGuess;
stream = new SrsStream();
}
@ -469,20 +470,42 @@ int SrsAvcAacCodec::video_avc_demux(char* data, int size, SrsCodecSample* sample
srs_error("avc decode failed, sequence header not found. ret=%d", ret);
return ret;
}
// One or more NALUs (Full frames are required)
// try "AnnexB" from H.264-AVC-ISO_IEC_14496-10.pdf, page 211.
if ((ret = avc_demux_annexb_format(stream, sample)) != ERROR_SUCCESS) {
// stop try when system error.
if (ret != ERROR_HLS_AVC_TRY_OTHERS) {
srs_error("avc demux for annexb failed. ret=%d", ret);
return ret;
// guess for the first time.
if (payload_format == SrsAvcPayloadFormatGuess) {
// One or more NALUs (Full frames are required)
// try "AnnexB" from H.264-AVC-ISO_IEC_14496-10.pdf, page 211.
if ((ret = avc_demux_annexb_format(stream, sample)) != ERROR_SUCCESS) {
// stop try when system error.
if (ret != ERROR_HLS_AVC_TRY_OTHERS) {
srs_error("avc demux for annexb failed. ret=%d", ret);
return ret;
}
// try "ISO Base Media File Format" from H.264-AVC-ISO_IEC_14496-15.pdf, page 20
if ((ret = avc_demux_ibmf_format(stream, sample)) != ERROR_SUCCESS) {
return ret;
} else {
payload_format = SrsAvcPayloadFormatIbmf;
srs_info("hls guess avc payload is ibmf format.");
}
} else {
payload_format = SrsAvcPayloadFormatAnnexb;
srs_info("hls guess avc payload is annexb format.");
}
} else if (payload_format == SrsAvcPayloadFormatIbmf) {
// try "ISO Base Media File Format" from H.264-AVC-ISO_IEC_14496-15.pdf, page 20
if ((ret = avc_demux_ibmf_format(stream, sample)) != ERROR_SUCCESS) {
return ret;
}
srs_info("hls decode avc payload in ibmf format.");
} else {
// One or more NALUs (Full frames are required)
// try "AnnexB" from H.264-AVC-ISO_IEC_14496-10.pdf, page 211.
if ((ret = avc_demux_annexb_format(stream, sample)) != ERROR_SUCCESS) {
return ret;
}
srs_info("hls decode avc payload in annexb format.");
}
} else {
// ignored.