VTCompressionSession.VTCompressionOutputCallback Delegate
Definition
Important
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Handler prototype to be called for each compressed frame
public delegate void VTCompressionSession.VTCompressionOutputCallback(IntPtr sourceFrame, VTStatus status, VTEncodeInfoFlags flags, CMSampleBuffer buffer);type VTCompressionSession.VTCompressionOutputCallback = delegate of nativeint * VTStatus * VTEncodeInfoFlags * CMSampleBuffer -> unitParameters
- sourceFrame
-
IntPtr
nativeint
The token passed to EncodeFrame(CVImageBuffer, CMTime, CMTime, NSDictionary, IntPtr, VTEncodeInfoFlags) method
- status
- VTStatus
Status code indicating if the operation was successful or not.
- flags
- VTEncodeInfoFlags
Contains information about the encoding operation.
- buffer
- CMSampleBuffer
Contains a pointer to the encoded buffer if successful and the frame was not dropped. A value of null indicates either an error, or that the frame was dropped.
Remarks
The methods invoked as a result of calling Create(VTDecompressionSession+VTDecompressionOutputCallback, CMVideoFormatDescription, VTVideoDecoderSpecification, NSDictionary) will be invoked for each frame in decode order, not necessarily the display order.