[FFmpeg-trac] #8725(ffprobe:reopened): ffprobe microseconds rounding error

FFmpeg trac at avcodec.org
Fri Aug 13 06:47:37 EEST 2021


#8725: ffprobe microseconds rounding error
-------------------------------------+------------------------------------
             Reporter:  markfilipak  |                    Owner:  (none)
                 Type:  defect       |                   Status:  reopened
             Priority:  minor        |                Component:  ffprobe
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+------------------------------------
Changes (by Balling):

 * status:  closed => reopened
 * resolution:  needs_more_info =>

Comment:

 I can confirm that on WHITEOUT Blu-ray. It is VC1 actually, not even AVC
 (key frames are recognized correctlyfor VC1 in m2ts).
 pkt.duration 3753 is indeed 3753/90000 == 0.041700

 Then again, 3754 (remember that number is from DTS and PTS) /90000 ==
 0.0417111 which is too big.

 So, I suppose DTS and PTS are not correctly applied for 24/1.001??? So I
 will reopen this, just in spite of all those crazy issues with CFR
 becoming VRF. Some more comments are needed here.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/8725#comment:11>
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