The sample buffer renderer doesn't like being backgrounded during an active connection. AVSampleBufferDisplayLayer is very fickle about the application lifecycle: It immediately goes to the "failed" status as soon as your app enters the background, even if no frames are being actively enqueued to it.
The sample buffer renderer doesn't like being backgrounded during an active connection. AVSampleBufferDisplayLayer is very fickle about the application lifecycle: It immediately goes to the "failed" status as soon as your app enters the background, even if no frames are being actively enqueued to it.