[FFmpeg-trac] #4522(ffmpeg:new): Video data difference when HEVC Raw bit stream to mp4 with vcodec copy option
FFmpeg
trac at avcodec.org
Tue Apr 28 15:22:35 CEST 2015
#4522: Video data difference when HEVC Raw bit stream to mp4 with vcodec copy
option
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Reporter: kgp700 | Owner:
Type: defect | Status: new
Priority: normal | Component: ffmpeg
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by heleppkes):
RAW HEVC streams are in AnnexB format, ie. every NALU starts with a
0x00000001 start code.
HEVC in MP4 uses a different syntax, where instead of the startcode, a
4-byte size field is used.
The difference you are seeing is therefor perfectly normal.
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Ticket URL: <https://trac.ffmpeg.org/ticket/4522#comment:2>
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