AVPlannedVideoSegmentWritingRequest.CreateResumableCompressionSession Method
Definition
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Overloads
| Name | Description |
|---|---|
| CreateResumableCompressionSession(Int32, Int32, CMVideoCodecType, VTCompressionSession+VTCompressionOutputCallback, VTVideoEncoderSpecification, CVPixelBufferAttributes) |
Creates a VTCompressionSession that restores the video encoder state persisted at the end of the previous segment. |
| CreateResumableCompressionSession(Int32, Int32, CMVideoCodecType, VTCompressionSession+VTCompressionOutputCallback, VTVideoEncoderSpecification, CVPixelBufferAttributes, NSError) |
Creates a VTCompressionSession that restores the video encoder state persisted at the end of the previous segment. |
CreateResumableCompressionSession(Int32, Int32, CMVideoCodecType, VTCompressionSession+VTCompressionOutputCallback, VTVideoEncoderSpecification, CVPixelBufferAttributes)
Creates a VTCompressionSession that restores the video encoder state persisted at the end of the previous segment.
public VideoToolbox.VTCompressionSession? CreateResumableCompressionSession(int width, int height, CoreMedia.CMVideoCodecType codecType, VideoToolbox.VTCompressionSession.VTCompressionOutputCallback? compressionOutputCallback, VideoToolbox.VTVideoEncoderSpecification? encoderSpecification = default, CoreVideo.CVPixelBufferAttributes? sourceImageBufferAttributes = default);member this.CreateResumableCompressionSession : int * int * CoreMedia.CMVideoCodecType * VideoToolbox.VTCompressionSession.VTCompressionOutputCallback * VideoToolbox.VTVideoEncoderSpecification * CoreVideo.CVPixelBufferAttributes -> VideoToolbox.VTCompressionSessionParameters
- width
- Int32
The pixel width of video frames.
- height
- Int32
The pixel height of video frames.
- codecType
- CMVideoCodecType
The codec type.
- compressionOutputCallback
- VTCompressionSession.VTCompressionOutputCallback
The callback to invoke with compressed frames, or null if you'll be encoding frames with an output handler.
- encoderSpecification
- VTVideoEncoderSpecification
Parameters describing the characteristics of a video encoder to use, or null to let the system choose an encoder.
- sourceImageBufferAttributes
- CVPixelBufferAttributes
Required attributes for source pixel buffers, or null if you don't want the system to create a pixel buffer pool.
Returns
A new VTCompressionSession if successful, null otherwise.
Applies to
CreateResumableCompressionSession(Int32, Int32, CMVideoCodecType, VTCompressionSession+VTCompressionOutputCallback, VTVideoEncoderSpecification, CVPixelBufferAttributes, NSError)
Creates a VTCompressionSession that restores the video encoder state persisted at the end of the previous segment.
public VideoToolbox.VTCompressionSession? CreateResumableCompressionSession(int width, int height, CoreMedia.CMVideoCodecType codecType, VideoToolbox.VTCompressionSession.VTCompressionOutputCallback? compressionOutputCallback, VideoToolbox.VTVideoEncoderSpecification? encoderSpecification, CoreVideo.CVPixelBufferAttributes? sourceImageBufferAttributes, out Foundation.NSError? error);member this.CreateResumableCompressionSession : int * int * CoreMedia.CMVideoCodecType * VideoToolbox.VTCompressionSession.VTCompressionOutputCallback * VideoToolbox.VTVideoEncoderSpecification * CoreVideo.CVPixelBufferAttributes * NSError -> VideoToolbox.VTCompressionSessionParameters
- width
- Int32
The pixel width of video frames.
- height
- Int32
The pixel height of video frames.
- codecType
- CMVideoCodecType
The codec type.
- compressionOutputCallback
- VTCompressionSession.VTCompressionOutputCallback
The callback to invoke with compressed frames, or null if you'll be encoding frames with an output handler.
- encoderSpecification
- VTVideoEncoderSpecification
Parameters describing the characteristics of a video encoder to use, or null to let the system choose an encoder.
- sourceImageBufferAttributes
- CVPixelBufferAttributes
Required attributes for source pixel buffers, or null if you don't want the system to create a pixel buffer pool.
- error
- NSError
On failure, the error that occurred.
Returns
A new VTCompressionSession if successful, null otherwise.