[FFmpeg-trac] #11056(undetermined:new): Position of key frame incorrect

[FFmpeg]

#11056: Position of key frame incorrect
----------------------------------------+----------------------------------
             Reporter:  David Johansen  |                     Type:  defect
               Status:  new             |                 Priority:  normal
            Component:  undetermined    |                  Version:  6.1.1
             Keywords:  ffprobe pos     |               Blocked By:
             Blocking:                  |  Reproduced by developer:  0
Analyzed by developer:  0               |
----------------------------------------+----------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 % ffprobe -show_entries packet=pos,flags -of csv=p=0 -i kf_pos_test.mp4 |
 grep K
 ffprobe version 6.1.1 Copyright (c) 2007-2023 the FFmpeg developers
   built with gcc 12 (Debian 12.2.0-14)
   configuration: --prefix=/usr --enable-shared --disable-static --disable-
 debug --disable-doc --disable-ffplay --enable-gpl --enable-libfdk_aac
 --enable-libx264 --enable-libx265 --enable-librsvg --enable-openssl
 --enable-nonfree --enable-libaom --extra-libs=-lpthread
   libavutil      58. 29.100 / 58. 29.100
   libavcodec     60. 31.102 / 60. 31.102
   libavformat    60. 16.100 / 60. 16.100
   libavdevice    60.  3.100 / 60.  3.100
   libavfilter     9. 12.100 /  9. 12.100
   libswscale      7.  5.100 /  7.  5.100
   libswresample   4. 12.100 /  4. 12.100
   libpostproc    57.  3.100 / 57.  3.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'kf_pos_test.mp4':
   Metadata:
     major_brand     : iso5
     minor_version   : 512
     compatible_brands: iso5iso6mp41
     encoder         : Lavf60.16.100
   Duration: 00:00:09.92, start: 0.224000, bitrate: 835 kb/s
   Stream #0:0[0x1](und): Video: hevc (Main) (hvc1 / 0x31637668),
 yuv420p(tv), 1280x720, 748 kb/s, 15.15 fps, 15.15 tbr, 90k tbn (default)
     Metadata:
       handler_name    : VideoHandler
       vendor_id       : [0][0][0][0]
 1158,K__
 106174,K__
 205264,K__
 309370,K__
 414778,K__
 516205,K__
 620919,K__
 725663,K__
 827272,K__
 931036,K__
 }}}

 That last entry should be `930976` so it's 60 bytes later than it should
 be. What can I do to help diagnose the cause of this?

 Here's a file to demonstrate the issue:
 https://drive.google.com/file/d/1kE9eNNYnBq_Lr-
 il2YWXGH4nOZLWs2Nx/view?usp=sharing
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11056>
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