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refine code, add the video tag comments.

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winlin 2014-07-16 10:05:41 +08:00
parent 26bfbaeb82
commit 7945a42770
1 changed files with 1 additions and 0 deletions
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trunk/src/app/srs_app_avc_aac.cpp
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@ -331,6 +331,7 @@ int SrsAvcAacCodec::video_avc_demux(char* data, int size, SrsCodecSample* sample
return ret; return ret;
} }
// @see: E.4.3 Video Tags, video_file_format_spec_v10_1.pdf, page 78
int8_t frame_type = stream->read_1bytes(); int8_t frame_type = stream->read_1bytes();
int8_t codec_id = frame_type & 0x0f; int8_t codec_id = frame_type & 0x0f;
frame_type = (frame_type >> 4) & 0x0f; frame_type = (frame_type >> 4) & 0x0f;