pub unsafe static kCMIOSampleBufferAttachmentKey_SourceAudioFormatDescription: Option<&'static CFString>Available on crate features
CMIOSampleBuffer and objc2-core-foundation only.Expand description
A CMFormatDescription. Audio buffers traveling through a CMIO graph may be converted, mixed, or otherwise transformed. Downstream units may still desire to know the source format from which an audio buffer was derived. Units dealing with audio data should propagate this attachment if it is present.
See also Apple’s documentation