Sample Buffer Notifications

Notifications posted by sample buffer objects.

Topics

Constants

kCMSampleBufferNotification_DataBecameReady

Posted on a sample buffer by the CMSampleBufferSetDataReady function when the buffer becomes ready.

kCMSampleBufferConduitNotification_InhibitOutputUntil

Posted on a conduit of sample buffers to announce a coming discontinuity.

kCMSampleBufferConduitNotification_ResetOutput

Posted on a conduit of sample buffers to request invalidation of pending output data.

kCMSampleBufferConduitNotification_UpcomingOutputPTSRangeChanged

Posted on a conduit of video sample buffers to report information about the range of upcoming output presentation timestamps.

kCMSampleBufferConsumerNotification_BufferConsumed

Optionally posted when a sample buffer is consumed.