[FFmpeg-user] mac OS X avfoundation not listing audio devices

[Paul Evans]

Thanks for that!
Actually the issue here was that this is an older mac and a previous version of ffmpeg (installed using macports) was still active and symlinked.  I missed the warnings from brew the first time round and so did not realise that I was in fact using the old version.
All good now - thanks for the help.


> On 15 May 2016, at 11:34 PM, Jim Worrall <coniophora at gmail.com> wrote:
> 
> 
>> On 2016 May 15, at 4:55 AM, Moritz Barsnick <barsnick at gmx.net> wrote:
>> 
>> On Sun, May 15, 2016 at 20:50:14 +1000, Paul Evans wrote:
>>> I am trying to list all devices on my MacBook Pro running El Capitan, but am surprised that the only device listed is the FaceTime HD Camera.
>>> FFMPEG was installed using homebrew and the version I am running is 2.3.3
>> 
>> That version of ffmpeg is extremely old, and avfoundation support has
>> been significantly improved since. Please do update to git HEAD, or at
>> least to the very latest 3.0.x release.
> 
> I get more devices on my very old MacBook Pro with newer ffmpeg:
> 
> ffmpeg -f avfoundation -list_devices true -i “"
> 
> ffmpeg version N-79342-g03d8fee Copyright (c) 2000-2016 the FFmpeg developers
>  built with Apple LLVM version 7.3.0 (clang-703.0.29)
>  configuration: --prefix=/Volumes/Ramdisk/sw --enable-nonfree --enable-gpl --enable-version3 --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libgsm --enable-libvpx --enable-libfdk-aac --enable-libvorbis --enable-libass --enable-libfreetype --enable-libfontconfig --enable-libfribidi --disable-outdevs --disable-ffserver --disable-network
>  libavutil      55. 20.100 / 55. 20.100
>  libavcodec     57. 34.100 / 57. 34.100
>  libavformat    57. 33.100 / 57. 33.100
>  libavdevice    57.  0.101 / 57.  0.101
>  libavfilter     6. 41.100 /  6. 41.100
>  libswscale      4.  1.100 /  4.  1.100
>  libswresample   2.  0.101 /  2.  0.101
>  libpostproc    54.  0.100 / 54.  0.100
> [AVFoundation input device @ 0x7fce80600280] AVFoundation video devices:
> [AVFoundation input device @ 0x7fce80600280] [0] Built-in iSight
> [AVFoundation input device @ 0x7fce80600280] [1] Capture screen 0
> [AVFoundation input device @ 0x7fce80600280] AVFoundation audio devices:
> [AVFoundation input device @ 0x7fce80600280] [0] Built-in Microphone
> [AVFoundation input device @ 0x7fce80600280] [1] Built-in Input
> : Input/output error
> 
> 
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