2019-04-13 8:16 GMT+02:00, Fred Rotbart <rotb...@gmail.com>: > Hi, > > I have a MiniDSP U-DIO8 > <https://www.minidsp.com/products/usb-audio-interface/u-dio8> connected > to the USB port of a 2018 Mac Mini running Kodi 18.1-RC1 on Mojave > 10.14.4. The U-DIO8 provides 8 output channels as 4xSPDIF connections > and similarly 8 channels of input as 4xSPDIF connections. > > I can capture audio input from the input channels but I do not know how > I can stream ffmpeg output to the U-DIO8 output channels. > > If I list devices this is what I get: > > ~#ffmpeg -f avfoundation -list_devices true -i "" > ffmpeg version 4.0 Copyright (c) 2000-2018 the FFmpeg developers
This is old and unsupported. > built with clang version 4.0.1 (tags/RELEASE_401/final) > configuration: --prefix=/Users/fred/anaconda > --cc=x86_64-apple-darwin13.4.0-clang --disable-doc --enable-shared > --enable-static --enable-zlib --enable-pic --enable-gpl > --enable-version3 --disable-nonfree --enable-hardcoded-tables > --enable-avresample --enable-libfreetype --disable-openssl > --disable-gnutls --enable-libvpx --enable-pthreads --enable-libopus > --enable-postproc --disable-libx264 > libavutil 56. 14.100 / 56. 14.100 > libavcodec 58. 18.100 / 58. 18.100 > libavformat 58. 12.100 / 58. 12.100 > libavdevice 58. 3.100 / 58. 3.100 > libavfilter 7. 16.100 / 7. 16.100 > libavresample 4. 0. 0 / 4. 0. 0 > libswscale 5. 1.100 / 5. 1.100 > libswresample 3. 1.100 / 3. 1.100 > libpostproc 55. 1.100 / 55. 1.100 > [AVFoundation input device @ 0x7f8ee6c00540] AVFoundation video devices: > [AVFoundation input device @ 0x7f8ee6c00540] [0] FaceTime HD Camera > [AVFoundation input device @ 0x7f8ee6c00540] [1] Capture screen 0 > [AVFoundation input device @ 0x7f8ee6c00540] AVFoundation audio devices: > [AVFoundation input device @ 0x7f8ee6c00540] [0] USBStreamer > [AVFoundation input device @ 0x7f8ee6c00540] [1] Built-in Microphone > > The USBStreamer is the U-DIO8 device. > > What do I need to add to the ffmpeg command line to cause ffmpeg to > output to USBStreamer? FFmpeg's avfoundation device is an (input) demuxer only. Is Apple's avfoundation also supposed to be an output api? Carl Eugen _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".