[FFmpeg-trac] #9807(undetermined:new): decryption_key: subsample size exceeds the packet size left

[FFmpeg]

#9807: decryption_key: subsample size exceeds the packet size left
-------------------------------------+-------------------------------------
             Reporter:  svnpenn      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Using this file (35 kB):

 https://user-
 images.githubusercontent.com/73562167/172298706-78ff0077-3394-456a-a174-3cd7b7c499e0.mp4

 I get this result:

 {{{
 > ffmpeg -decryption_key 22bdb0063805260307ee5045c0f3835a -i enc.mp4 -c
 copy dec.mp4
 ffmpeg version 5.0.1-essentials_build-www.gyan.dev Copyright (c) 2000-2022
 the FFmpeg developers
   built with gcc 11.2.0 (Rev7, 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-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-
 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. 17.100 / 57. 17.100
   libavcodec     59. 18.100 / 59. 18.100
   libavformat    59. 16.100 / 59. 16.100
   libavdevice    59.  4.100 / 59.  4.100
   libavfilter     8. 24.100 /  8. 24.100
   libswscale      6.  4.100 /  6.  4.100
   libswresample   4.  3.100 /  4.  3.100
   libpostproc    56.  3.100 / 56.  3.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0000015ce989b240] subsample size exceeds the
 packet size left
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0000015ce989b240] Could not find codec
 parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none(tv, bt709,
 progressive), 508x254, 13 kb/s): unspecified pixel format
 Consider increasing the value for the 'analyzeduration' (0) and
 'probesize' (5000000) options
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'enc.mp4':
   Metadata:
     major_brand     : iso5
     minor_version   : 1
     compatible_brands: isomiso5hlsf
     creation_time   : 2022-02-07T20:53:17.000000Z
   Duration: 00:00:17.59, bitrate: 15 kb/s
   Stream #0:0[0x1](eng): Video: h264 (avc1 / 0x31637661), none(tv, bt709,
 progressive), 508x254, 13 kb/s, SAR 1:1 DAR 2:1, 23.98 fps, 24k tbr, 24k
 tbn (default)
     Metadata:
       creation_time   : 2022-02-07T20:53:17.000000Z
       handler_name    : Core Media Video
       vendor_id       : [0][0][0][0]
   Stream #0:1[0x2](eng): Subtitle: eia_608 (c608 / 0x38303663), 0 kb/s
 (default)
     Metadata:
       creation_time   : 2022-02-07T20:53:17.000000Z
       handler_name    : Core Media Closed Caption
     Side data:
       unknown side data type 24 (538 bytes)
 Output #0, mp4, to 'dec.mp4':
   Metadata:
     major_brand     : iso5
     minor_version   : 1
     compatible_brands: isomiso5hlsf
     encoder         : Lavf59.16.100
   Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), none(tv, bt709,
 progressive), 508x254 [SAR 1:1 DAR 2:1], q=2-31, 13 kb/s, 23.98 fps, 24k
 tbr, 24k tbn (default)
     Metadata:
       creation_time   : 2022-02-07T20:53:17.000000Z
       handler_name    : Core Media Video
       vendor_id       : [0][0][0][0]
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0000015ce989b240] subsample size exceeds the
 packet size left
 enc.mp4: Invalid data found when processing input
 }}}

 Other tools work as expected:

 {{{
 mp4decrypt --key 1:22bdb0063805260307ee5045c0f3835a enc.mp4 dec.mp4
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9807>
FFmpeg <https://ffmpeg.org>
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