[FFmpeg-trac] #9931(undetermined:new): Files from p to interlaced last frame counted 2x

[FFmpeg]

#9931: Files from p to interlaced last frame counted 2x
-------------------------------------+-------------------------------------
             Reporter:  Tim          |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by Tim):

 Hello we found out that the readout off ffmpeg on a 50p file is wrong.
 We have tested a lot of stuff, in the image attached is a screenshot of
 AVID
 In this image, the green marked files are the Transcoded files.
 Also we attached the readout of ffprobe.



 {{{
 C:\Users\pc>ffprobe -i "W:\Rohmaterial_Ablage\Encode
 FFASTrans_Test\Watchfolder01\Alpha_p100.MP4"
 ffprobe version 2022-09-19-git-4ba68639ca-essentials_build-www.gyan.dev
 Copyright (c) 2007-2022 the FFmpeg developers
   built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
   configuration: --enable-gpl --enable-version3 --enable-static --disable-
 w32threads --disable-autodetect --enable-fontconfig --enable-iconv
 --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma
 --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-
 avisynth --enable-sdl2 --enable-libwebp --enable-libx264 --enable-libx265
 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx
 --enable-mediafoundation --enable-libass --enable-libfreetype --enable-
 libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-
 amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec
 --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-
 libgme --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame
 --enable-libtheora --enable-libvo-amrwbenc --enable-libgsm --enable-
 libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis
 --enable-librubberband
   libavutil      57. 36.102 / 57. 36.102
   libavcodec     59. 44.100 / 59. 44.100
   libavformat    59. 32.100 / 59. 32.100
   libavdevice    59.  8.101 / 59.  8.101
   libavfilter     8. 49.100 /  8. 49.100
   libswscale      6.  8.112 /  6.  8.112
   libswresample   4.  9.100 /  4.  9.100
   libpostproc    56.  7.100 / 56.  7.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0000016810b7af00] st: 0 edit list: 1 Missing
 key frame while searching for timestamp: 1000
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0000016810b7af00] st: 0 edit list 1 Cannot find
 an index entry before timestamp: 1000.
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'W:\Rohmaterial_Ablage\Encode
 FFASTrans_Test\Watchfolder01\Alpha_p100.MP4':
   Metadata:
     major_brand     : XAVC
     minor_version   : 16785407
     compatible_brands: XAVCmp42iso2
     creation_time   : 2022-03-24T12:29:23.000000Z
   Duration: 00:00:14.40, start: 0.000000, bitrate: 111933 kb/s
   Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
 yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 97149 kb/s,
 100 fps, 100 tbr, 100k tbn (default)
     Metadata:
       creation_time   : 2022-03-24T12:29:23.000000Z
       handler_name    : Video Media Handler
       vendor_id       : [0][0][0][0]
       encoder         : AVC Coding
   Stream #0:1[0x2](und): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, 2
 channels, s16, 1536 kb/s (default)
     Metadata:
       creation_time   : 2022-03-24T12:29:23.000000Z
       handler_name    : Sound Media Handler
       vendor_id       : [0][0][0][0]
   Stream #0:2[0x3](und): Data: none (rtmd / 0x646D7472), 2457 kb/s
 (default)
     Metadata:
       creation_time   : 2022-03-24T12:29:23.000000Z
       handler_name    : Timed Metadata Media Handler
       timecode        : 00:00:18:72
 Unsupported codec with id 0 for input stream 2
 }}}


 Tim
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9931#comment:3>
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