[FFmpeg-trac] #9016(avcodec:new): Some videos cannot be hw decoded on apple silicon

FFmpeg trac at avcodec.org
Tue Dec 1 00:19:47 EET 2020


#9016: Some videos cannot be hw decoded on apple silicon
---------------------------------+--------------------------------------
             Reporter:  pxia     |                     Type:  defect
               Status:  new      |                 Priority:  normal
            Component:  avcodec  |                  Version:  git-master
             Keywords:           |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |
---------------------------------+--------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 $ ffmpeg -hwaccel videotoolbox -i SampleVideo_1280x720_1mb.mp4 -f null -
 ffmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
   built with Apple clang version 12.0.0 (clang-1200.0.32.27)
   configuration: --prefix=/Users/xia/brew --enable-gpl --enable-nonfree
 --enable-libass --enable-libvpx --enable-libx264 --enable-libx265
 --enable-libfreetype --enable-gnutls --enable-hwaccel=h263_videotoolbox
 --enable-hwaccel=h264_videotoolbox --enable-hwaccel=hevc_videotoolbox
 --enable-hwaccel=mpeg1_videotoolbox --enable-hwaccel=mpeg2_videotoolbox
 --enable-hwaccel=mpeg4_videotoolbox
   libavutil      56. 51.100 / 56. 51.100
   libavcodec     58. 91.100 / 58. 91.100
   libavformat    58. 45.100 / 58. 45.100
   libavdevice    58. 10.100 / 58. 10.100
   libavfilter     7. 85.100 /  7. 85.100
   libswscale      5.  7.100 /  5.  7.100
   libswresample   3.  7.100 /  3.  7.100
   libpostproc    55.  7.100 / 55.  7.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'SampleVideo_1280x720_1mb.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     creation_time   : 1970-01-01T00:00:00.000000Z
     encoder         : Lavf53.24.2
   Duration: 00:00:05.31, start: 0.000000, bitrate: 1589 kb/s
     Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p,
 1280x720 [SAR 1:1 DAR 16:9], 1205 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc
 (default)
     Metadata:
       creation_time   : 1970-01-01T00:00:00.000000Z
       handler_name    : VideoHandler
     Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 5.1,
 fltp, 384 kb/s (default)
     Metadata:
       creation_time   : 1970-01-01T00:00:00.000000Z
       handler_name    : SoundHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
   Stream #0:1 -> #0:1 (aac (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 [h264 @ 0x14b847200] hardware accelerator failed to decode picture
 }}}

 same video on intel Mac:
 {{{
 $ ffmpeg -hwaccel videotoolbox -i SampleVideo_1280x720_1mb.mp4 -f null -
 ffmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
   built with Apple clang version 12.0.0 (clang-1200.0.32.2)
   configuration: --prefix=/Users/pxia/homebrew/Cellar/ffmpeg/4.3.1_1
 --enable-shared --enable-pthreads --enable-version3 --enable-avresample
 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls
 --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d
 --enable-libmp3lame --enable-libopus --enable-librav1e --enable-
 librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract
 --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx
 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype
 --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-
 libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex
 --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-
 indev=jack
   libavutil      56. 51.100 / 56. 51.100
   libavcodec     58. 91.100 / 58. 91.100
   libavformat    58. 45.100 / 58. 45.100
   libavdevice    58. 10.100 / 58. 10.100
   libavfilter     7. 85.100 /  7. 85.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  7.100 /  5.  7.100
   libswresample   3.  7.100 /  3.  7.100
   libpostproc    55.  7.100 / 55.  7.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'SampleVideo_1280x720_1mb.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     creation_time   : 1970-01-01T00:00:00.000000Z
     encoder         : Lavf53.24.2
   Duration: 00:00:05.31, start: 0.000000, bitrate: 1589 kb/s
     Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p,
 1280x720 [SAR 1:1 DAR 16:9], 1205 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc
 (default)
     Metadata:
       creation_time   : 1970-01-01T00:00:00.000000Z
       handler_name    : VideoHandler
     Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 5.1,
 fltp, 384 kb/s (default)
     Metadata:
       creation_time   : 1970-01-01T00:00:00.000000Z
       handler_name    : SoundHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
   Stream #0:1 -> #0:1 (aac (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 Output #0, null, to 'pipe:':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf58.45.100
     Stream #0:0(und): Video: wrapped_avframe, nv12, 1280x720 [SAR 1:1 DAR
 16:9], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc (default)
     Metadata:
       creation_time   : 1970-01-01T00:00:00.000000Z
       handler_name    : VideoHandler
       encoder         : Lavc58.91.100 wrapped_avframe
     Stream #0:1(und): Audio: pcm_s16le, 48000 Hz, 5.1, s16, 4608 kb/s
 (default)
     Metadata:
       creation_time   : 1970-01-01T00:00:00.000000Z
       handler_name    : SoundHandler
       encoder         : Lavc58.91.100 pcm_s16le
 frame=  132 fps=0.0 q=-0.0 Lsize=N/A time=00:00:05.31 bitrate=N/A
 speed=9.05x
 video:69kB audio:2988kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}



 Sample video: https://github.com/mpv-
 player/mpv/files/5614700/SampleVideo_1280x720_1mb.mp4.zip

--
Ticket URL: <https://trac.ffmpeg.org/ticket/9016>
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