analyzeAudioSample(_:)
Analyzes the provided audio sample buffer for its contribution to the spatial audio timed metadata value.
Declaration
func analyzeAudioSample(_ sbuf: CMSampleBuffer) -> OSStatusParameters
- sbuf:
A sample buffer containing spatial audio.
Return Value
noErr if the sample is successfully analyzed, otherwise a non-zero error code.
Discussion
You must call this method with each and every spatial audio buffer you provide to AVAssetWriter, so it can be analyzed for the generation of a proper spatial audio timed metadata value.