#9502: Intermittent error when opening audio device with avfoundation (mac) -------------------------------------+------------------------------------- Reporter: toots | Owner: Thilo | Borgmann Type: defect | Status: open Priority: normal | Component: avdevice Version: unspecified | Resolution: Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Comment (by toots): Here are the relevant variables: basic_desc->mFormatI: 'lpcm', basic_desc->mChannelsPerFrame: 2, basic_desc->mBitsPerChannel: 24, basic_desc->mFormatFlags: 0x4 (kAudioFormatFlagIsSignedInteger) It looks like the issue here is that the kAudioFormatFlagIsPacked flag isn't set. Let us know if you have any suggestion, happy to hack/test further! -- Ticket URL: <https://trac.ffmpeg.org/ticket/9502#comment:2> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker