btagulf.blogg.se

Likely, your audio recording sounds poor because bits are getting truncated.Īs Sarge Borsch notes, your Audio Midi Setup will show you what your bit depth and sample frequency are and give you some options. Indicates that ffmpeg has these formats and bit depths available: u8 8 I suspect that the reason your audio doesn't sound good is due to a bit depth discrepency. Note that the "1:0" is " Capture screen 0: Soundflower (2ch)"

Given that the Soundflower options are recognized as AV Foundation audio devices and are displayed in the output generated by the ffmpeg avfoundation -list_devices command, a basic capture of your desktop ( Capture screen 0) and stereo system sound ( Soundflower (2ch)) would be:įfmpeg -f avfoundation -i "1:0" Screen.mov "Speaker" audio is your system audio - what Soundflower is giving you access to. Is there a way to get output audio? $ ffmpeg -f avfoundation -list_devices true -i ""Ĭonfiguration: -prefix=/usr/local -enable-gpl -enable-nonfree -enable-libass -enable-libfdk-aac -enable-libfreetype -enable-libmp3lame -enable-libopus -enable-libtheora -enable-libvorbis -enable-libvpx -enable-libx264 -enable-libxvid I am trying to use ffmpeg recording screen as well as incoming audio on mac, but in the input device lists, there is no "speaker".