[FFmpeg-trac] #10408(avcodec:open): decoder sometimes reporting pts values in incorrect order
FFmpeg
trac at avcodec.org
Tue Aug 13 21:11:23 EEST 2024
#10408: decoder sometimes reporting pts values in incorrect order
------------------------------------+-----------------------------------
Reporter: csab6597 | Owner: (none)
Type: defect | Status: open
Priority: important | Component: avcodec
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Balling):
actually:
{{{
ffmpeg -i https://streams.videolan.org/ffmpeg/incoming/02.mp4 -vf vfrdet
-f null
NUL
}}}
prints
{{{
[null @ 000001bf2b551380] Application provided invalid, non monotonically
increasing dts to muxer in stream 0: 654 >= 653
[Parsed_vfrdet_0 @ 000001bf2d47da40] VFR:0.006116 (4/650) min: -1001 max:
2002 avg: 750
[null @ 000001bf2b551380] Application provided invalid, non monotonically
increasing dts to muxer in stream 0: 654 >= 654
}}}
I can prove this is incorrect file cause you can demux the file into Annex
B (ffmpeg -i https://streams.videolan.org/ffmpeg/incoming/02.mp4 -c copy
adfaq.h264) and then use mp4box from GPAC:
mp4box.exe -add adfaq.h264 cfr.mp4
Still ffmpeg has a bug when it remuxes this annex B. So... Still
a bug
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10408#comment:3>
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