[FFmpeg-trac] #2375(FFprobe:new): FFprobe outputs nonsense DTS/PTS for streams with reordered frames
FFmpeg
trac at avcodec.org
Mon Mar 18 22:22:40 CET 2013
#2375: FFprobe outputs nonsense DTS/PTS for streams with reordered frames
-------------------------------------+-------------------------------------
Reporter: dbuitenh | Owner:
Type: defect | Status: new
Priority: normal | Component: FFprobe
Version: git- | Keywords: ffprobe,
master | timestamps, pts, dts, mpeg2
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
Summary of the bug:
FFprobe outputs PTS/DTS that make no sense on streams with reordered
frames, like MPEG-2. You'll notice PTS==DTS, which is IMPOSSIBLE when
coded order is not the same as display order. This makes providing PTS and
DTS separately entirely useless.
How to reproduce:
{{{
% ffprobe -of json -show_frames input.ts > out.json
}}}
Attached example output.
Example input here: http://chromashift.org/kyoani_cm_mechagirl.ts
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2375>
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