[FFmpeg-trac] #9522(undetermined:new): Certain H.264 videos cannot decode with videotoolbox

[FFmpeg]

#9522: Certain H.264 videos cannot decode with videotoolbox
-------------------------------------+-------------------------------------
             Reporter:  forthrin     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
  videotoolbox gpu                   |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 For reasons unknown, a percentage of H.264 videos fail to hardware decode
 with videotoolbox.

 Enclosed is a dozen different single frame specimens that all cause the
 same problem and should thus help quickly identify and resolve the issue.

 {{{
 $ ffmpeg -hwaccel videotoolbox -i 01.mp4 -xerror -f mp4 -y /dev/null
 ffmpeg version git-2021-11-21-18f22bf Copyright (c) 2000-2021 the FFmpeg
 developers
   built with Apple clang version 12.0.5 (clang-1205.0.22.9)
   configuration: --enable-nonfree --enable-gpl --enable-libass --enable-
 libx264 --enable-libx265 --enable-libssh --enable-libzimg --enable-opencl
 --enable-libmp3lame
   libavutil      57.  9.100 / 57.  9.100
   libavcodec     59. 13.100 / 59. 13.100
   libavformat    59.  9.101 / 59.  9.101
   libavdevice    59.  0.101 / 59.  0.101
   libavfilter     8. 17.100 /  8. 17.100
   libswscale      6.  1.100 /  6.  1.100
   libswresample   4.  0.100 /  4.  0.100
   libpostproc    56.  0.100 / 56.  0.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '01.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
   Duration: 00:00:00.04, start: 0.000000, bitrate: 402 kb/s
   Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
 yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 244 kb/s, 23.99 fps,
 23.99 tbr, 16k tbn (default)
     Metadata:
       handler_name    : VideoHandler
       vendor_id       : [0][0][0][0]
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
 Press [q] to stop, [?] for help
 Error creating Videotoolbox decoder.
 videotoolbox hwaccel requested for input stream #0:0, but cannot be
 initialized.
 [h264 @ 0x7fce00d13580] decode_slice_header error
 [h264 @ 0x7fce00d13580] no frame!
 Conversion failed!
 $
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9522>
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