[FFmpeg-trac] #6464(undetermined:new): videotoolbox decoding error

FFmpeg trac at avcodec.org
Wed Jun 14 10:32:07 EEST 2017


#6464: videotoolbox decoding error
-------------------------------------+-------------------------------------
             Reporter:  ponpon       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 thank you for good apps

 i face at a videotoolbox decoding error. it is "Error while decoding
 stream #0:0: Generic error in an external library". i don't know a
 relationship with ticket #6449.
 this error generates since commit 14bb15bfd56d6e907fabe4620206c1ee152b7a20
 of 2017-03-21. This error don't arise in the parental commit
 c358c62550e60a150c49f192d72631142a6eedd6 of 2017-03-21.

 the log of master
 {{{
 ffmpeg -hwaccel videotoolbox -i akiyo_qci_480.mp4 -f null -
 ffmpeg version N-86447-gfeb13aed79 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with clang version 3.9.1 (tags/RELEASE_391/final)
   configuration: --prefix=/sw --disable-shared --enable-static --enable-
 gpl --enable-version3 --enable-nonfree --enable-pthreads --optflags=-Ofast
 --cc=clang-mp-3.9 --cxx=clang++-mp-3.9 --extra-cflags=' -march=native
 -I/sw/include -I/opt/local/include ' --extra-ldflags=' -L/sw/lib
 -L/opt/local/lib -fopenmp' --extra-ldlibflags='-L/sw/lib -L/opt/local/lib
 -static' --target-os=darwin --arch=x86_64 --cpu=corei7-avx --enable-
 avresample --enable-libfdk-aac --enable-libmp3lame --enable-
 libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg
 --enable-libopus --enable-libspeex --enable-libtheora --enable-libvorbis
 --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libxvid
 --enable-libfreetype --enable-libtesseract --enable-openssl --enable-
 gnutls --enable-gcrypt --enable-gmp --enable-librtmp --enable-libass
 --enable-fontconfig --enable-libfribidi --enable-libbluray --enable-
 libdc1394 --enable-libmodplug --enable-lzma --enable-libx264 --enable-
 libx265 --enable-libzimg --enable-libvidstab --enable-libsoxr --enable-
 libsmbclient --enable-libcdio --enable-opengl --enable-opencl --pkg-
 config-flags=' --libs --static'
   libavutil      55. 63.100 / 55. 63.100
   libavcodec     57. 98.100 / 57. 98.100
   libavformat    57. 73.100 / 57. 73.100
   libavdevice    57.  7.100 / 57.  7.100
   libavfilter     6. 92.100 /  6. 92.100
   libavresample   3.  6.  0 /  3.  6.  0
   libswscale      4.  7.101 /  4.  7.101
   libswresample   2.  8.100 /  2.  8.100
   libpostproc    54.  6.100 / 54.  6.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'akiyo_qci_480.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.73.100
   Duration: 00:00:10.01, start: 0.000000, bitrate: 173 kb/s
     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
 588x480 [SAR 2373:2174 DAR 116277:86960], 169 kb/s, SAR 32590:29857 DAR
 159691:119428, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
     Metadata:
       handler_name    : VideoHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
 Press [q] to stop, [?] for help
 Error while decoding stream #0:0: Generic error in an external library
 Output #0, null, to 'pipe:':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.73.100
     Stream #0:0(und): Video: wrapped_avframe, nv12, 584x480 [SAR
 32590:29857 DAR 3259:2454], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97
 tbc (default)
     Metadata:
       handler_name    : VideoHandler
       encoder         : Lavc57.98.100 wrapped_avframe
 Error while decoding stream #0:0: Generic error in an external library
     Last message repeated 148 times
 Error while decoding stream #0:0: Generic error in an external library=
 17x
     Last message repeated 22 times
 frame=  127 fps=0.0 q=-0.0 Lsize=N/A time=00:00:09.90 bitrate=N/A
 speed=17.6x
 video:65kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}

 the log of 14bb15bfd56d6e907fabe4620206c1ee152b7a20
 {{{
 ffmpeg -hwaccel videotoolbox -i "/Volumes/Ramdisk/akiyo_qci_480.mp4" -f
 null -
 ffmpeg version N-84301-g14bb15bfd5 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with Apple LLVM version 8.1.0 (clang-802.0.42)
   configuration:
   libavutil      55. 50.100 / 55. 50.100
   libavcodec     57. 83.101 / 57. 83.101
   libavformat    57. 66.105 / 57. 66.105
   libavdevice    57.  3.100 / 57.  3.100
   libavfilter     6. 78.100 /  6. 78.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
 '/Volumes/Ramdisk/akiyo_qci_480.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.73.100
   Duration: 00:00:10.01, start: 0.000000, bitrate: 173 kb/s
     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
 588x480 [SAR 2373:2174 DAR 116277:86960], 169 kb/s, SAR 32590:29857 DAR
 159691:119428, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
     Metadata:
       handler_name    : VideoHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
 Press [q] to stop, [?] for help
 [h264 @ 0x7fbdbe80fc00] Hardware accelerated decoding with frame threading
 is known to be unstable and its use is discouraged.
 Error while decoding stream #0:0: Generic error in an external library
 Output #0, null, to 'pipe:':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.66.105
     Stream #0:0(und): Video: wrapped_avframe, nv12, 588x480 [SAR
 32590:29857 DAR 159691:119428], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn,
 29.97 tbc (default)
     Metadata:
       handler_name    : VideoHandler
       encoder         : Lavc57.83.101 wrapped_avframe
 Error while decoding stream #0:0: Generic error in an external library
     Last message repeated 230 times
 frame=   61 fps=0.0 q=-0.0 Lsize=N/A time=00:00:09.87 bitrate=N/A speed=
 22x
 video:30kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Conversion failed!
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6464>
FFmpeg <https://ffmpeg.org>
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