[FFmpeg-trac] #6111(avdevice:open): macOS AVFoundation screen capture looks awful but FaceTime HD Cam capture fine

FFmpeg trac at avcodec.org
Mon Jan 30 23:32:53 EET 2017


#6111: macOS AVFoundation screen capture looks awful but FaceTime HD Cam capture
fine
-------------------------------------+-------------------------------------
             Reporter:  mixelpix     |                    Owner:
                 Type:  defect       |  thilo.borgmann
             Priority:  normal       |                   Status:  open
              Version:  unspecified  |                Component:  avdevice
             Keywords:               |               Resolution:
  avfoundation                       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by mixelpix):

 Replying to [comment:5 thilo.borgmann]:
 > Please send a log for
 > $ ffmpeg -f avfoundation -list_devices true -i ""


 {{{
 $  ffmpeg -f avfoundation -list_devices true -i ""
 ffmpeg version 3.2.2 Copyright (c) 2000-2016 the FFmpeg developers
   built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
   configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.2 --enable-shared
 --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-
 chromaprint --enable-ffplay --enable-frei0r --enable-libass --enable-
 libbluray --enable-libbs2b --enable-libcaca --enable-libebur128 --enable-
 libfdk-aac --enable-libfontconfig --enable-libfreetype --enable-libgme
 --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
 --enable-libopus --enable-librtmp --enable-librubberband --enable-
 libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex
 --enable-libssh --enable-libtesseract --enable-libtheora --enable-
 libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx
 --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265
 --enable-libxvid --enable-libzimg --enable-libzmq --enable-opencl
 --enable-openssl --enable-lzma --enable-libopenjpeg --disable-
 decoder=jpeg2000 --extra-
 cflags=-I/usr/local/Cellar/openjpeg/2.1.2/include/openjpeg-2.1 --enable-
 nonfree --enable-vda
   libavutil      55. 34.100 / 55. 34.100
   libavcodec     57. 64.101 / 57. 64.101
   libavformat    57. 56.100 / 57. 56.100
   libavdevice    57.  1.100 / 57.  1.100
   libavfilter     6. 65.100 /  6. 65.100
   libavresample   3.  1.  0 /  3.  1.  0
   libswscale      4.  2.100 /  4.  2.100
   libswresample   2.  3.100 /  2.  3.100
   libpostproc    54.  1.100 / 54.  1.100
 [AVFoundation input device @ 0x7fc2db40f240] AVFoundation video devices:
 [AVFoundation input device @ 0x7fc2db40f240] [0] FaceTime HD Camera
 (Built-in)
 [AVFoundation input device @ 0x7fc2db40f240] [1] Capture screen 0
 [AVFoundation input device @ 0x7fc2db40f240] [2] Capture screen 1
 [AVFoundation input device @ 0x7fc2db40f240] AVFoundation audio devices:
 [AVFoundation input device @ 0x7fc2db40f240] [0] Built-in Microphone
 : Input/output error
 $

 }}}

 >
 > What model is it?
 >

 per Sys Info:

 FaceTimeHD Camera (Built-in):

   Model ID:     UVC Camera VendorID_1452 ProductID_34064
   Unique ID:    0x1a11000005ac8510


 > For a workaround you might try to specify another pixel format.

 Thank you for the suggestion. I am just getting started reading the
 documentation and have purchased Frantisek Korbel's book. Can you
 recommend a capture setting? I have to step away from the computer for
 about 8 hours but will check back later tonight - thanks again!

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6111#comment:6>
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