[FFmpeg-trac] #4880(undetermined:new): failure to record from webcam

FFmpeg trac at avcodec.org
Fri Sep 25 15:24:38 CEST 2015


#4880: failure to record from webcam
-------------------------------------+-------------------------------------
             Reporter:  lr25374      |                     Type:  defect
               Status:  new          |                 Priority:  important
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  webcam       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 I am trying to use ffmpeg to record a video from my webcam.

 I am running the latest version of ffmpeg from git install via `homebrew
 install ffmpeg --HEAD`. I am running OS X 10.10.5. I am using a Logitech
 C310 webcam, which works via Photobooth and other applications.

 ffmpeg throws an input/output error whenever I try to record a file form
 my webcam. The same error persists when using different versions of ffmpeg
 (2.8, 2.6.4, 2.7.2) or when using a different webcam (Microsoft LifeCam
 Studio).

 {{{
 % ffmpeg -f avfoundation -i "1" out.mpg
 ffmpeg version N-42510-gaa6c43f Copyright (c) 2000-2015 the FFmpeg
 developers
   built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM
 3.6.0svn)
   configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD --enable-shared
 --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-
 opencl --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc
 --enable-libxvid --enable-vda
   libavutil      55.  2.100 / 55.  2.100
   libavcodec     57.  3.100 / 57.  3.100
   libavformat    57.  2.100 / 57.  2.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6.  8.100 /  6.  8.100
   libavresample   3.  0.  0 /  3.  0.  0
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.100 /  2.  0.100
   libpostproc    54.  0.100 / 54.  0.100
 [avfoundation @ 0x7fbb8a800000] Selected framerate (29.970030) is not
 supported by the device
 [avfoundation @ 0x7fbb8a800000] Supported modes:
 [avfoundation @ 0x7fbb8a800000]   160x120@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x544@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   960x544@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x544@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x544@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   960x544@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x544@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1024x576@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   1024x576@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1024x576@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1024x576@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   1024x576@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1024x576@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x720@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   960x720@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x720@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x720@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   960x720@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x720@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1184x656@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   1184x656@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1184x656@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1184x656@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   1184x656@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1184x656@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1280x720@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   1280x720@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1280x720@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1280x720@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   1280x720@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1280x720@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1280x960@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   1280x960@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1280x960@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1280x960@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   1280x960@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1280x960@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   160x120@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   176x144@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x176@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   320x240@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   352x288@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   432x240@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   544x288@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   640x480@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   752x416@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x448@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   864x480@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   800x600@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x544@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a800000]   960x544@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x544@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1024x576@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1024x576@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x720@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   960x720@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1184x656@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a800000]   1184x656@[5.000000 5.000000]fps
 1: Input/output error
 }}}

 Explicating passing the size of the video with the `-s` flag and changing
 the framerate with the `-r` flag to match one of the combinations listed
 does not change the result.

 {{{
 % ffmpeg -f avfoundation -list_devices true -i ""
 ffmpeg version N-42510-gaa6c43f Copyright (c) 2000-2015 the FFmpeg
 developers
   built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM
 3.6.0svn)
   configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD --enable-shared
 --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-
 opencl --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc
 --enable-libxvid --enable-vda
   libavutil      55.  2.100 / 55.  2.100
   libavcodec     57.  3.100 / 57.  3.100
   libavformat    57.  2.100 / 57.  2.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6.  8.100 /  6.  8.100
   libavresample   3.  0.  0 /  3.  0.  0
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.100 /  2.  0.100
   libpostproc    54.  0.100 / 54.  0.100
 [AVFoundation input device @ 0x7fa709600280] AVFoundation video devices:
 [AVFoundation input device @ 0x7fa709600280] [0] FaceTime HD Camera
 (Built-in)
 [AVFoundation input device @ 0x7fa709600280] [1] Logitech Camera
 [AVFoundation input device @ 0x7fa709600280] [2] Capture screen 0
 [AVFoundation input device @ 0x7fa709600280] AVFoundation audio devices:
 [AVFoundation input device @ 0x7fa709600280] [0] Built-in Microphone
 [AVFoundation input device @ 0x7fa709600280] [1] Logitech Camera
 : Input/output error
 }}}

 {{{
 %  ffmpeg -v 9 -loglevel 99 -f avfoundation -i 1
 ffmpeg version N-42510-gaa6c43f Copyright (c) 2000-2015 the FFmpeg
 developers
   built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM
 3.6.0svn)
   configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD --enable-shared
 --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-
 opencl --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc
 --enable-libxvid --enable-vda
   libavutil      55.  2.100 / 55.  2.100
   libavcodec     57.  3.100 / 57.  3.100
   libavformat    57.  2.100 / 57.  2.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6.  8.100 /  6.  8.100
   libavresample   3.  0.  0 /  3.  0.  0
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.100 /  2.  0.100
   libpostproc    54.  0.100 / 54.  0.100
 Splitting the commandline.
 Reading option '-v' ... matched as option 'v' (set logging level) with
 argument '9'.
 Reading option '-loglevel' ... matched as option 'loglevel' (set logging
 level) with argument '99'.
 Reading option '-f' ... matched as option 'f' (force format) with argument
 'avfoundation'.
 Reading option '-i' ... matched as input file with argument '1'.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option v (set logging level) with argument 9.
 Successfully parsed a group of options.
 Parsing a group of options: input file 1.
 Applying option f (force format) with argument avfoundation.
 Successfully parsed a group of options.
 Opening an input file: 1.
 [avfoundation @ 0x7fbb8a000000] 'Logitech Camera' opened
 [avfoundation @ 0x7fbb8a000000] Selected framerate (29.970030) is not
 supported by the device
 [avfoundation @ 0x7fbb8a000000] Supported modes:
 [avfoundation @ 0x7fbb8a000000]   160x120@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x544@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   960x544@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x544@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x544@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   960x544@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x544@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1024x576@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   1024x576@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1024x576@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1024x576@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   1024x576@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1024x576@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x720@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   960x720@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x720@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x720@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   960x720@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x720@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1184x656@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   1184x656@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1184x656@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1184x656@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   1184x656@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1184x656@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1280x720@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   1280x720@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1280x720@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1280x720@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   1280x720@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1280x720@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1280x960@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   1280x960@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1280x960@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1280x960@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   1280x960@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1280x960@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   160x120@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   176x144@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x176@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   320x240@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   352x288@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   432x240@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   544x288@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[30.000030 30.000030]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   640x480@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[25.000000 25.000000]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   752x416@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x448@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   864x480@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[20.000000 20.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   800x600@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x544@[15.000015 15.000015]fps
 [avfoundation @ 0x7fbb8a000000]   960x544@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x544@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1024x576@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1024x576@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x720@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   960x720@[5.000000 5.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1184x656@[10.000000 10.000000]fps
 [avfoundation @ 0x7fbb8a000000]   1184x656@[5.000000 5.000000]fps
 1: Input/output error
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4880>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


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