macOSのFFmpegでキャプボを録画しようとすると音が飛んだりズレたりする

https://trac.ffmpeg.org/ticket/4513

$ git checkout 78e1d7f42110aec8d4cd703a7939c64b5a191952

この2つを git am で当てる

https://trac.ffmpeg.org/raw-attachment/ticket/4513/0001-lavd-avfoundation-uses-a-queue-to-buffer-audio-and-v.patch

https://trac.ffmpeg.org/attachment/ticket/4513/0002-lavd-avfoundation-Increase-QUEUE_SIZE-to-400.patch

$ ./configure --disable-everything --enable-decoder=rawvideo --enable-decoder=pcm_f32le --enable-muxer=matroska --enable-indev=avfoundation --enable-protocol=pipe

make -