The VideoToolbox namespace provides low-level classes for encoding and decoding video streams.
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| VTCompressionProperties | Strongly typed set of options for compression sessions |
| VTCompressionPropertyKey | A class that encapsulates keys necessary for compression sessions. Used by VTCompressionProperties |
| VTCompressionSession | Turns uncompressed frames into compressed video frames Kite compositor 1 9 3. |
| VTDecompressionProperties | Strongly typed set of options for decompression sessions. |
| VTDecompressionPropertyKey | A class that encapsulates keys necessary for decompression sessions. Used by VTDecompressionProperties |
| VTDecompressionResolutionKeys | A class that encapsulates keys necessary by VTEncodeFrameOptions. |
| VTDecompressionResolutionOptions | Strongly typed set of options used by ReducedResolutionDecode. |
| VTDecompressionSession | Turns compressed frames into uncompressed video frames. |
| VTEncodeFrameOptionKey | A class that encapsulates keys necessary by VTEncodeFrameOptions |
| VTEncodeFrameOptions | Strongly typed set of options. |
| VTFrameSilo | Sample buffers storage object, used in conjuction of a multi pass compression session |
| VTH264EntropyModeKeys | A class that encapsulates keys necessary by VTH264EntropyMode. |
| VTMultiPassStorage | Class that provides a storage for encoding metadata. |
| VTMultiPassStorageCreationOptionKeys | A class that encapsulates keys necessary by VTMultiPassStorageCreationOptions |
| VTMultiPassStorageCreationOptions | Strongly typed set of options. |
| VTPixelTransferProperties | Strongly typed set of options used by PixelTransferSettings. |
| VTPixelTransferPropertyKeys | A class that encapsulates keys needed by VTPixelTransferProperties. |
| VTProfileLevelKeys | A class that encapsulates keys necessary by VTProfileLevel. |
| VTPropertyKeys | A class that encapsulates keys necessary by VTPropertyOptions. |
| VTPropertyOptions | Strongly typed set of options. |
| VTPropertyReadWriteStatusKeys | A class that encapsulates keys necessary by ReadWriteStatus. |
| VTPropertyTypeKeys | A class that encapsulates keys necessary by VTPropertyType. |
| VTSession | Base class of VTCompressionSession and VTDecompressionSession. |
| VTSupportedEncoderProperties | |
| VTUtilities | Extensions class for CVPixelBuffer. |
| VTVideoDecoderSpecification | Strongly typed set of options. |
| VTVideoDecoderSpecificationKeys | A class that encapsulates keys necessary by VTVideoDecoderSpecification. Design for numbers templates 5 0 36. |
| VTVideoEncoder | Class to fetch available encoders |
| VTVideoEncoderSpecification | Strongly typed representation of a video encoder. https://downafiles813.weebly.com/easy-translation-1-1-2.html. |
| VTVideoEncoderSpecificationKeys | Vuescan 9 5 47 – scanner software with advanced features. A class that encapsulates keys necessary by VTVideoEncoderSpecification. |
| VTDataRateLimit | Strongly typed representation of bytes and seconds used in DataRateLimits. |
| VTColorPrimaries | Represents color primaries in compressed sample buffers |
| VTCompressionSessionOptionFlags | Flags to control encoder in multi pass compression sessions |
| VTDecodeFrameFlags | Flags to control encoder in a decompression session |
| VTDecodeInfoFlags | Flags for status reporting in decoding sessions. |
| VTDeinterlaceMode | Deinterlacing techniques. |
| VTDownsamplingMode | Chroma downsampling techniques. |
| VTEncodeInfoFlags | Encoding status flags. |
| VTFieldCount | Frame encoding options. |
| VTFieldDetail | Field ordering options. |
| VTFieldMode | Decoder field mode options. Ganamrutha bodhini pdf. |
| VTH264EntropyMode | Strongly typed set of options used by H264EntropyMode. |
| VTOnlyTheseFrames | Strongly typed set of options used by OnlyTheseFrames. |
| VTProfileLevel | Strongly typed set of options used by ProfileLevel. |
| VTPropertyType | Strongly typed set of options. |
| VTReadWriteStatus | Strongly typed set of options used by ReadWriteStatus. |
| VTScalingMode | Image scaling options. |
| VTStatus | Possible VideoToolbox API errors. |
| VTTransferFunction | Strongly typed set of options used by TransferFunction. |
| VTYCbCrMatrix | Colorimetry for compressed content. |
| VTCompressionSession.VTCompressionOutputCallback | Handler prototype to be called for each compressed frame |
| VTDecompressionSession.VTDecompressionOutputCallback | Handler prototype to be called for each decompressed frame. |
Use VideoToolbox to create your own video encoding or decoding applications: Use VTCompressionSession to compress frames and VTDecompressionSession to decompress frames.
Take advantage of the strongly typed dictionaries likeVTCompressionProperties and VTDecompressionProperties to set your compression an decompression settings.
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