audioStreamPacketDescriptions()
Creates an array of audio stream packet descriptions for the variable bytes per packet or variable frames per packet audio data in a sample buffer.
Declaration
func audioStreamPacketDescriptions() throws -> [AudioStreamPacketDescription]Return Value
An array of audio stream packet descriptions.
Discussion
Constant bit rate, constant frames-per-packet audio yields an empty array.
This API is specific to audio format sample buffers, and throws an invalidMediaTypeForOperation error if called on a nonaudio sample buffer.