mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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58a663c1e5
Update header to query minimum resolution of encoder and to control the number of reference frame if it's supported
1002 lines
51 KiB
C++
1002 lines
51 KiB
C++
/*
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* This copyright notice applies to this header file only:
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*
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* Copyright (c) 2010-2019 NVIDIA Corporation
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the software, and to permit persons to whom the
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* software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*****************************************************************************************************/
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//! \file cuviddec.h
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//! NVDECODE API provides video decoding interface to NVIDIA GPU devices.
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//! \date 2015-2019
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//! This file contains constants, structure definitions and function prototypes used for decoding.
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/*****************************************************************************************************/
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#if !defined(__CUDA_VIDEO_H__)
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#define __CUDA_VIDEO_H__
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#ifndef __cuda_cuda_h__
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#include <cuda.h>
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#endif // __cuda_cuda_h__
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#if defined(_WIN64) || defined(__LP64__) || defined(__x86_64) || defined(AMD64) || defined(_M_AMD64)
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#if (CUDA_VERSION >= 3020) && (!defined(CUDA_FORCE_API_VERSION) || (CUDA_FORCE_API_VERSION >= 3020))
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#define __CUVID_DEVPTR64
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#endif
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif /* __cplusplus */
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typedef void *CUvideodecoder;
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typedef struct _CUcontextlock_st *CUvideoctxlock;
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/*********************************************************************************/
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//! \enum cudaVideoCodec
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//! Video codec enums
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//! These enums are used in CUVIDDECODECREATEINFO and CUVIDDECODECAPS structures
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/*********************************************************************************/
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typedef enum cudaVideoCodec_enum {
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cudaVideoCodec_MPEG1=0, /**< MPEG1 */
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cudaVideoCodec_MPEG2, /**< MPEG2 */
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cudaVideoCodec_MPEG4, /**< MPEG4 */
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cudaVideoCodec_VC1, /**< VC1 */
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cudaVideoCodec_H264, /**< H264 */
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cudaVideoCodec_JPEG, /**< JPEG */
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cudaVideoCodec_H264_SVC, /**< H264-SVC */
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cudaVideoCodec_H264_MVC, /**< H264-MVC */
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cudaVideoCodec_HEVC, /**< HEVC */
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cudaVideoCodec_VP8, /**< VP8 */
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cudaVideoCodec_VP9, /**< VP9 */
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cudaVideoCodec_NumCodecs, /**< Max codecs */
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// Uncompressed YUV
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cudaVideoCodec_YUV420 = (('I'<<24)|('Y'<<16)|('U'<<8)|('V')), /**< Y,U,V (4:2:0) */
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cudaVideoCodec_YV12 = (('Y'<<24)|('V'<<16)|('1'<<8)|('2')), /**< Y,V,U (4:2:0) */
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cudaVideoCodec_NV12 = (('N'<<24)|('V'<<16)|('1'<<8)|('2')), /**< Y,UV (4:2:0) */
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cudaVideoCodec_YUYV = (('Y'<<24)|('U'<<16)|('Y'<<8)|('V')), /**< YUYV/YUY2 (4:2:2) */
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cudaVideoCodec_UYVY = (('U'<<24)|('Y'<<16)|('V'<<8)|('Y')) /**< UYVY (4:2:2) */
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} cudaVideoCodec;
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/*********************************************************************************/
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//! \enum cudaVideoSurfaceFormat
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//! Video surface format enums used for output format of decoded output
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//! These enums are used in CUVIDDECODECREATEINFO structure
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/*********************************************************************************/
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typedef enum cudaVideoSurfaceFormat_enum {
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cudaVideoSurfaceFormat_NV12=0, /**< Semi-Planar YUV [Y plane followed by interleaved UV plane] */
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cudaVideoSurfaceFormat_P016=1, /**< 16 bit Semi-Planar YUV [Y plane followed by interleaved UV plane].
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Can be used for 10 bit(6LSB bits 0), 12 bit (4LSB bits 0) */
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cudaVideoSurfaceFormat_YUV444=2, /**< Planar YUV [Y plane followed by U and V planes] */
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cudaVideoSurfaceFormat_YUV444_16Bit=3, /**< 16 bit Planar YUV [Y plane followed by U and V planes].
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Can be used for 10 bit(6LSB bits 0), 12 bit (4LSB bits 0) */
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} cudaVideoSurfaceFormat;
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/******************************************************************************************************************/
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//! \enum cudaVideoDeinterlaceMode
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//! Deinterlacing mode enums
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//! These enums are used in CUVIDDECODECREATEINFO structure
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//! Use cudaVideoDeinterlaceMode_Weave for progressive content and for content that doesn't need deinterlacing
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//! cudaVideoDeinterlaceMode_Adaptive needs more video memory than other DImodes
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/******************************************************************************************************************/
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typedef enum cudaVideoDeinterlaceMode_enum {
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cudaVideoDeinterlaceMode_Weave=0, /**< Weave both fields (no deinterlacing) */
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cudaVideoDeinterlaceMode_Bob, /**< Drop one field */
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cudaVideoDeinterlaceMode_Adaptive /**< Adaptive deinterlacing */
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} cudaVideoDeinterlaceMode;
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/**************************************************************************************************************/
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//! \enum cudaVideoChromaFormat
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//! Chroma format enums
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//! These enums are used in CUVIDDECODECREATEINFO and CUVIDDECODECAPS structures
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/**************************************************************************************************************/
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typedef enum cudaVideoChromaFormat_enum {
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cudaVideoChromaFormat_Monochrome=0, /**< MonoChrome */
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cudaVideoChromaFormat_420, /**< YUV 4:2:0 */
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cudaVideoChromaFormat_422, /**< YUV 4:2:2 */
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cudaVideoChromaFormat_444 /**< YUV 4:4:4 */
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} cudaVideoChromaFormat;
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/*************************************************************************************************************/
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//! \enum cudaVideoCreateFlags
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//! Decoder flag enums to select preferred decode path
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//! cudaVideoCreate_Default and cudaVideoCreate_PreferCUVID are most optimized, use these whenever possible
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/*************************************************************************************************************/
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typedef enum cudaVideoCreateFlags_enum {
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cudaVideoCreate_Default = 0x00, /**< Default operation mode: use dedicated video engines */
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cudaVideoCreate_PreferCUDA = 0x01, /**< Use CUDA-based decoder (requires valid vidLock object for multi-threading) */
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cudaVideoCreate_PreferDXVA = 0x02, /**< Go through DXVA internally if possible (requires D3D9 interop) */
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cudaVideoCreate_PreferCUVID = 0x04 /**< Use dedicated video engines directly */
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} cudaVideoCreateFlags;
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/*************************************************************************/
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//! \enum cuvidDecodeStatus
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//! Decode status enums
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//! These enums are used in CUVIDGETDECODESTATUS structure
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/*************************************************************************/
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typedef enum cuvidDecodeStatus_enum
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{
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cuvidDecodeStatus_Invalid = 0, // Decode status is not valid
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cuvidDecodeStatus_InProgress = 1, // Decode is in progress
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cuvidDecodeStatus_Success = 2, // Decode is completed without any errors
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// 3 to 7 enums are reserved for future use
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cuvidDecodeStatus_Error = 8, // Decode is completed with an error (error is not concealed)
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cuvidDecodeStatus_Error_Concealed = 9, // Decode is completed with an error and error is concealed
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} cuvidDecodeStatus;
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/**************************************************************************************************************/
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//! \struct CUVIDDECODECAPS;
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//! This structure is used in cuvidGetDecoderCaps API
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/**************************************************************************************************************/
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typedef struct _CUVIDDECODECAPS
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{
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cudaVideoCodec eCodecType; /**< IN: cudaVideoCodec_XXX */
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cudaVideoChromaFormat eChromaFormat; /**< IN: cudaVideoChromaFormat_XXX */
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unsigned int nBitDepthMinus8; /**< IN: The Value "BitDepth minus 8" */
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unsigned int reserved1[3]; /**< Reserved for future use - set to zero */
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unsigned char bIsSupported; /**< OUT: 1 if codec supported, 0 if not supported */
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unsigned char reserved2; /**< Reserved for future use - set to zero */
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unsigned short nOutputFormatMask; /**< OUT: each bit represents corresponding cudaVideoSurfaceFormat enum */
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unsigned int nMaxWidth; /**< OUT: Max supported coded width in pixels */
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unsigned int nMaxHeight; /**< OUT: Max supported coded height in pixels */
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unsigned int nMaxMBCount; /**< OUT: Max supported macroblock count
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CodedWidth*CodedHeight/256 must be <= nMaxMBCount */
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unsigned short nMinWidth; /**< OUT: Min supported coded width in pixels */
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unsigned short nMinHeight; /**< OUT: Min supported coded height in pixels */
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unsigned int reserved3[11]; /**< Reserved for future use - set to zero */
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} CUVIDDECODECAPS;
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/**************************************************************************************************************/
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//! \struct CUVIDDECODECREATEINFO
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//! This structure is used in cuvidCreateDecoder API
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/**************************************************************************************************************/
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typedef struct _CUVIDDECODECREATEINFO
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{
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unsigned long ulWidth; /**< IN: Coded sequence width in pixels */
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unsigned long ulHeight; /**< IN: Coded sequence height in pixels */
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unsigned long ulNumDecodeSurfaces; /**< IN: Maximum number of internal decode surfaces */
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cudaVideoCodec CodecType; /**< IN: cudaVideoCodec_XXX */
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cudaVideoChromaFormat ChromaFormat; /**< IN: cudaVideoChromaFormat_XXX */
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unsigned long ulCreationFlags; /**< IN: Decoder creation flags (cudaVideoCreateFlags_XXX) */
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unsigned long bitDepthMinus8; /**< IN: The value "BitDepth minus 8" */
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unsigned long ulIntraDecodeOnly; /**< IN: Set 1 only if video has all intra frames (default value is 0). This will
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optimize video memory for Intra frames only decoding. The support is limited
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to specific codecs - H264, HEVC, VP9, the flag will be ignored for codecs which
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are not supported. However decoding might fail if the flag is enabled in case
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of supported codecs for regular bit streams having P and/or B frames. */
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unsigned long ulMaxWidth; /**< IN: Coded sequence max width in pixels used with reconfigure Decoder */
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unsigned long ulMaxHeight; /**< IN: Coded sequence max height in pixels used with reconfigure Decoder */
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unsigned long Reserved1; /**< Reserved for future use - set to zero */
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/**
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* IN: area of the frame that should be displayed
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*/
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struct {
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short left;
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short top;
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short right;
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short bottom;
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} display_area;
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cudaVideoSurfaceFormat OutputFormat; /**< IN: cudaVideoSurfaceFormat_XXX */
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cudaVideoDeinterlaceMode DeinterlaceMode; /**< IN: cudaVideoDeinterlaceMode_XXX */
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unsigned long ulTargetWidth; /**< IN: Post-processed output width (Should be aligned to 2) */
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unsigned long ulTargetHeight; /**< IN: Post-processed output height (Should be aligned to 2) */
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unsigned long ulNumOutputSurfaces; /**< IN: Maximum number of output surfaces simultaneously mapped */
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CUvideoctxlock vidLock; /**< IN: If non-NULL, context lock used for synchronizing ownership of
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the cuda context. Needed for cudaVideoCreate_PreferCUDA decode */
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/**
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* IN: target rectangle in the output frame (for aspect ratio conversion)
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* if a null rectangle is specified, {0,0,ulTargetWidth,ulTargetHeight} will be used
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*/
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struct {
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short left;
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short top;
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short right;
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short bottom;
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} target_rect;
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unsigned long Reserved2[5]; /**< Reserved for future use - set to zero */
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} CUVIDDECODECREATEINFO;
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/*********************************************************/
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//! \struct CUVIDH264DPBENTRY
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//! H.264 DPB entry
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//! This structure is used in CUVIDH264PICPARAMS structure
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/*********************************************************/
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typedef struct _CUVIDH264DPBENTRY
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{
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int PicIdx; /**< picture index of reference frame */
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int FrameIdx; /**< frame_num(short-term) or LongTermFrameIdx(long-term) */
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int is_long_term; /**< 0=short term reference, 1=long term reference */
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int not_existing; /**< non-existing reference frame (corresponding PicIdx should be set to -1) */
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int used_for_reference; /**< 0=unused, 1=top_field, 2=bottom_field, 3=both_fields */
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int FieldOrderCnt[2]; /**< field order count of top and bottom fields */
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} CUVIDH264DPBENTRY;
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/************************************************************/
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//! \struct CUVIDH264MVCEXT
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//! H.264 MVC picture parameters ext
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//! This structure is used in CUVIDH264PICPARAMS structure
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/************************************************************/
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typedef struct _CUVIDH264MVCEXT
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{
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int num_views_minus1; /**< Max number of coded views minus 1 in video : Range - 0 to 1023 */
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int view_id; /**< view identifier */
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unsigned char inter_view_flag; /**< 1 if used for inter-view prediction, 0 if not */
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unsigned char num_inter_view_refs_l0; /**< number of inter-view ref pics in RefPicList0 */
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unsigned char num_inter_view_refs_l1; /**< number of inter-view ref pics in RefPicList1 */
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unsigned char MVCReserved8Bits; /**< Reserved bits */
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int InterViewRefsL0[16]; /**< view id of the i-th view component for inter-view prediction in RefPicList0 */
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int InterViewRefsL1[16]; /**< view id of the i-th view component for inter-view prediction in RefPicList1 */
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} CUVIDH264MVCEXT;
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/*********************************************************/
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//! \struct CUVIDH264SVCEXT
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//! H.264 SVC picture parameters ext
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//! This structure is used in CUVIDH264PICPARAMS structure
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/*********************************************************/
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typedef struct _CUVIDH264SVCEXT
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{
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unsigned char profile_idc;
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unsigned char level_idc;
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unsigned char DQId;
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unsigned char DQIdMax;
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unsigned char disable_inter_layer_deblocking_filter_idc;
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unsigned char ref_layer_chroma_phase_y_plus1;
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signed char inter_layer_slice_alpha_c0_offset_div2;
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signed char inter_layer_slice_beta_offset_div2;
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unsigned short DPBEntryValidFlag;
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unsigned char inter_layer_deblocking_filter_control_present_flag;
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unsigned char extended_spatial_scalability_idc;
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unsigned char adaptive_tcoeff_level_prediction_flag;
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unsigned char slice_header_restriction_flag;
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unsigned char chroma_phase_x_plus1_flag;
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unsigned char chroma_phase_y_plus1;
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unsigned char tcoeff_level_prediction_flag;
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unsigned char constrained_intra_resampling_flag;
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unsigned char ref_layer_chroma_phase_x_plus1_flag;
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unsigned char store_ref_base_pic_flag;
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unsigned char Reserved8BitsA;
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unsigned char Reserved8BitsB;
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short scaled_ref_layer_left_offset;
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short scaled_ref_layer_top_offset;
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short scaled_ref_layer_right_offset;
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short scaled_ref_layer_bottom_offset;
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unsigned short Reserved16Bits;
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struct _CUVIDPICPARAMS *pNextLayer; /**< Points to the picparams for the next layer to be decoded.
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Linked list ends at the target layer. */
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int bRefBaseLayer; /**< whether to store ref base pic */
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} CUVIDH264SVCEXT;
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/******************************************************/
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//! \struct CUVIDH264PICPARAMS
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//! H.264 picture parameters
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//! This structure is used in CUVIDPICPARAMS structure
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/******************************************************/
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typedef struct _CUVIDH264PICPARAMS
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{
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// SPS
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int log2_max_frame_num_minus4;
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int pic_order_cnt_type;
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int log2_max_pic_order_cnt_lsb_minus4;
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int delta_pic_order_always_zero_flag;
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int frame_mbs_only_flag;
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int direct_8x8_inference_flag;
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int num_ref_frames; // NOTE: shall meet level 4.1 restrictions
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unsigned char residual_colour_transform_flag;
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unsigned char bit_depth_luma_minus8; // Must be 0 (only 8-bit supported)
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unsigned char bit_depth_chroma_minus8; // Must be 0 (only 8-bit supported)
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unsigned char qpprime_y_zero_transform_bypass_flag;
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// PPS
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int entropy_coding_mode_flag;
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int pic_order_present_flag;
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int num_ref_idx_l0_active_minus1;
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int num_ref_idx_l1_active_minus1;
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int weighted_pred_flag;
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int weighted_bipred_idc;
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int pic_init_qp_minus26;
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int deblocking_filter_control_present_flag;
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int redundant_pic_cnt_present_flag;
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int transform_8x8_mode_flag;
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int MbaffFrameFlag;
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int constrained_intra_pred_flag;
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int chroma_qp_index_offset;
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int second_chroma_qp_index_offset;
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int ref_pic_flag;
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int frame_num;
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int CurrFieldOrderCnt[2];
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// DPB
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CUVIDH264DPBENTRY dpb[16]; // List of reference frames within the DPB
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// Quantization Matrices (raster-order)
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unsigned char WeightScale4x4[6][16];
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unsigned char WeightScale8x8[2][64];
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// FMO/ASO
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unsigned char fmo_aso_enable;
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unsigned char num_slice_groups_minus1;
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unsigned char slice_group_map_type;
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signed char pic_init_qs_minus26;
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unsigned int slice_group_change_rate_minus1;
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union
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{
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unsigned long long slice_group_map_addr;
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const unsigned char *pMb2SliceGroupMap;
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} fmo;
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unsigned int Reserved[12];
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// SVC/MVC
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union
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{
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CUVIDH264MVCEXT mvcext;
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CUVIDH264SVCEXT svcext;
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};
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} CUVIDH264PICPARAMS;
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/********************************************************/
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//! \struct CUVIDMPEG2PICPARAMS
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//! MPEG-2 picture parameters
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//! This structure is used in CUVIDPICPARAMS structure
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/********************************************************/
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typedef struct _CUVIDMPEG2PICPARAMS
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{
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int ForwardRefIdx; // Picture index of forward reference (P/B-frames)
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int BackwardRefIdx; // Picture index of backward reference (B-frames)
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int picture_coding_type;
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int full_pel_forward_vector;
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int full_pel_backward_vector;
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int f_code[2][2];
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int intra_dc_precision;
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int frame_pred_frame_dct;
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int concealment_motion_vectors;
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int q_scale_type;
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int intra_vlc_format;
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int alternate_scan;
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int top_field_first;
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// Quantization matrices (raster order)
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unsigned char QuantMatrixIntra[64];
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unsigned char QuantMatrixInter[64];
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} CUVIDMPEG2PICPARAMS;
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// MPEG-4 has VOP types instead of Picture types
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#define I_VOP 0
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#define P_VOP 1
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#define B_VOP 2
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#define S_VOP 3
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/*******************************************************/
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//! \struct CUVIDMPEG4PICPARAMS
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//! MPEG-4 picture parameters
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//! This structure is used in CUVIDPICPARAMS structure
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/*******************************************************/
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typedef struct _CUVIDMPEG4PICPARAMS
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{
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int ForwardRefIdx; // Picture index of forward reference (P/B-frames)
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int BackwardRefIdx; // Picture index of backward reference (B-frames)
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// VOL
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int video_object_layer_width;
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int video_object_layer_height;
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int vop_time_increment_bitcount;
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int top_field_first;
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int resync_marker_disable;
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int quant_type;
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int quarter_sample;
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int short_video_header;
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int divx_flags;
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// VOP
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int vop_coding_type;
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int vop_coded;
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int vop_rounding_type;
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int alternate_vertical_scan_flag;
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int interlaced;
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int vop_fcode_forward;
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int vop_fcode_backward;
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int trd[2];
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int trb[2];
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// Quantization matrices (raster order)
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unsigned char QuantMatrixIntra[64];
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unsigned char QuantMatrixInter[64];
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int gmc_enabled;
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} CUVIDMPEG4PICPARAMS;
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/********************************************************/
|
|
//! \struct CUVIDVC1PICPARAMS
|
|
//! VC1 picture parameters
|
|
//! This structure is used in CUVIDPICPARAMS structure
|
|
/********************************************************/
|
|
typedef struct _CUVIDVC1PICPARAMS
|
|
{
|
|
int ForwardRefIdx; /**< Picture index of forward reference (P/B-frames) */
|
|
int BackwardRefIdx; /**< Picture index of backward reference (B-frames) */
|
|
int FrameWidth; /**< Actual frame width */
|
|
int FrameHeight; /**< Actual frame height */
|
|
// PICTURE
|
|
int intra_pic_flag; /**< Set to 1 for I,BI frames */
|
|
int ref_pic_flag; /**< Set to 1 for I,P frames */
|
|
int progressive_fcm; /**< Progressive frame */
|
|
// SEQUENCE
|
|
int profile;
|
|
int postprocflag;
|
|
int pulldown;
|
|
int interlace;
|
|
int tfcntrflag;
|
|
int finterpflag;
|
|
int psf;
|
|
int multires;
|
|
int syncmarker;
|
|
int rangered;
|
|
int maxbframes;
|
|
// ENTRYPOINT
|
|
int panscan_flag;
|
|
int refdist_flag;
|
|
int extended_mv;
|
|
int dquant;
|
|
int vstransform;
|
|
int loopfilter;
|
|
int fastuvmc;
|
|
int overlap;
|
|
int quantizer;
|
|
int extended_dmv;
|
|
int range_mapy_flag;
|
|
int range_mapy;
|
|
int range_mapuv_flag;
|
|
int range_mapuv;
|
|
int rangeredfrm; // range reduction state
|
|
} CUVIDVC1PICPARAMS;
|
|
|
|
/***********************************************************/
|
|
//! \struct CUVIDJPEGPICPARAMS
|
|
//! JPEG picture parameters
|
|
//! This structure is used in CUVIDPICPARAMS structure
|
|
/***********************************************************/
|
|
typedef struct _CUVIDJPEGPICPARAMS
|
|
{
|
|
int Reserved;
|
|
} CUVIDJPEGPICPARAMS;
|
|
|
|
|
|
/*******************************************************/
|
|
//! \struct CUVIDHEVCPICPARAMS
|
|
//! HEVC picture parameters
|
|
//! This structure is used in CUVIDPICPARAMS structure
|
|
/*******************************************************/
|
|
typedef struct _CUVIDHEVCPICPARAMS
|
|
{
|
|
// sps
|
|
int pic_width_in_luma_samples;
|
|
int pic_height_in_luma_samples;
|
|
unsigned char log2_min_luma_coding_block_size_minus3;
|
|
unsigned char log2_diff_max_min_luma_coding_block_size;
|
|
unsigned char log2_min_transform_block_size_minus2;
|
|
unsigned char log2_diff_max_min_transform_block_size;
|
|
unsigned char pcm_enabled_flag;
|
|
unsigned char log2_min_pcm_luma_coding_block_size_minus3;
|
|
unsigned char log2_diff_max_min_pcm_luma_coding_block_size;
|
|
unsigned char pcm_sample_bit_depth_luma_minus1;
|
|
|
|
unsigned char pcm_sample_bit_depth_chroma_minus1;
|
|
unsigned char pcm_loop_filter_disabled_flag;
|
|
unsigned char strong_intra_smoothing_enabled_flag;
|
|
unsigned char max_transform_hierarchy_depth_intra;
|
|
unsigned char max_transform_hierarchy_depth_inter;
|
|
unsigned char amp_enabled_flag;
|
|
unsigned char separate_colour_plane_flag;
|
|
unsigned char log2_max_pic_order_cnt_lsb_minus4;
|
|
|
|
unsigned char num_short_term_ref_pic_sets;
|
|
unsigned char long_term_ref_pics_present_flag;
|
|
unsigned char num_long_term_ref_pics_sps;
|
|
unsigned char sps_temporal_mvp_enabled_flag;
|
|
unsigned char sample_adaptive_offset_enabled_flag;
|
|
unsigned char scaling_list_enable_flag;
|
|
unsigned char IrapPicFlag;
|
|
unsigned char IdrPicFlag;
|
|
|
|
unsigned char bit_depth_luma_minus8;
|
|
unsigned char bit_depth_chroma_minus8;
|
|
//sps/pps extension fields
|
|
unsigned char log2_max_transform_skip_block_size_minus2;
|
|
unsigned char log2_sao_offset_scale_luma;
|
|
unsigned char log2_sao_offset_scale_chroma;
|
|
unsigned char high_precision_offsets_enabled_flag;
|
|
unsigned char reserved1[10];
|
|
|
|
// pps
|
|
unsigned char dependent_slice_segments_enabled_flag;
|
|
unsigned char slice_segment_header_extension_present_flag;
|
|
unsigned char sign_data_hiding_enabled_flag;
|
|
unsigned char cu_qp_delta_enabled_flag;
|
|
unsigned char diff_cu_qp_delta_depth;
|
|
signed char init_qp_minus26;
|
|
signed char pps_cb_qp_offset;
|
|
signed char pps_cr_qp_offset;
|
|
|
|
unsigned char constrained_intra_pred_flag;
|
|
unsigned char weighted_pred_flag;
|
|
unsigned char weighted_bipred_flag;
|
|
unsigned char transform_skip_enabled_flag;
|
|
unsigned char transquant_bypass_enabled_flag;
|
|
unsigned char entropy_coding_sync_enabled_flag;
|
|
unsigned char log2_parallel_merge_level_minus2;
|
|
unsigned char num_extra_slice_header_bits;
|
|
|
|
unsigned char loop_filter_across_tiles_enabled_flag;
|
|
unsigned char loop_filter_across_slices_enabled_flag;
|
|
unsigned char output_flag_present_flag;
|
|
unsigned char num_ref_idx_l0_default_active_minus1;
|
|
unsigned char num_ref_idx_l1_default_active_minus1;
|
|
unsigned char lists_modification_present_flag;
|
|
unsigned char cabac_init_present_flag;
|
|
unsigned char pps_slice_chroma_qp_offsets_present_flag;
|
|
|
|
unsigned char deblocking_filter_override_enabled_flag;
|
|
unsigned char pps_deblocking_filter_disabled_flag;
|
|
signed char pps_beta_offset_div2;
|
|
signed char pps_tc_offset_div2;
|
|
unsigned char tiles_enabled_flag;
|
|
unsigned char uniform_spacing_flag;
|
|
unsigned char num_tile_columns_minus1;
|
|
unsigned char num_tile_rows_minus1;
|
|
|
|
unsigned short column_width_minus1[21];
|
|
unsigned short row_height_minus1[21];
|
|
|
|
// sps and pps extension HEVC-main 444
|
|
unsigned char sps_range_extension_flag;
|
|
unsigned char transform_skip_rotation_enabled_flag;
|
|
unsigned char transform_skip_context_enabled_flag;
|
|
unsigned char implicit_rdpcm_enabled_flag;
|
|
|
|
unsigned char explicit_rdpcm_enabled_flag;
|
|
unsigned char extended_precision_processing_flag;
|
|
unsigned char intra_smoothing_disabled_flag;
|
|
unsigned char persistent_rice_adaptation_enabled_flag;
|
|
|
|
unsigned char cabac_bypass_alignment_enabled_flag;
|
|
unsigned char pps_range_extension_flag;
|
|
unsigned char cross_component_prediction_enabled_flag;
|
|
unsigned char chroma_qp_offset_list_enabled_flag;
|
|
|
|
unsigned char diff_cu_chroma_qp_offset_depth;
|
|
unsigned char chroma_qp_offset_list_len_minus1;
|
|
signed char cb_qp_offset_list[6];
|
|
|
|
signed char cr_qp_offset_list[6];
|
|
unsigned char reserved2[2];
|
|
|
|
unsigned int reserved3[8];
|
|
|
|
// RefPicSets
|
|
int NumBitsForShortTermRPSInSlice;
|
|
int NumDeltaPocsOfRefRpsIdx;
|
|
int NumPocTotalCurr;
|
|
int NumPocStCurrBefore;
|
|
int NumPocStCurrAfter;
|
|
int NumPocLtCurr;
|
|
int CurrPicOrderCntVal;
|
|
int RefPicIdx[16]; // [refpic] Indices of valid reference pictures (-1 if unused for reference)
|
|
int PicOrderCntVal[16]; // [refpic]
|
|
unsigned char IsLongTerm[16]; // [refpic] 0=not a long-term reference, 1=long-term reference
|
|
unsigned char RefPicSetStCurrBefore[8]; // [0..NumPocStCurrBefore-1] -> refpic (0..15)
|
|
unsigned char RefPicSetStCurrAfter[8]; // [0..NumPocStCurrAfter-1] -> refpic (0..15)
|
|
unsigned char RefPicSetLtCurr[8]; // [0..NumPocLtCurr-1] -> refpic (0..15)
|
|
unsigned char RefPicSetInterLayer0[8];
|
|
unsigned char RefPicSetInterLayer1[8];
|
|
unsigned int reserved4[12];
|
|
|
|
// scaling lists (diag order)
|
|
unsigned char ScalingList4x4[6][16]; // [matrixId][i]
|
|
unsigned char ScalingList8x8[6][64]; // [matrixId][i]
|
|
unsigned char ScalingList16x16[6][64]; // [matrixId][i]
|
|
unsigned char ScalingList32x32[2][64]; // [matrixId][i]
|
|
unsigned char ScalingListDCCoeff16x16[6]; // [matrixId]
|
|
unsigned char ScalingListDCCoeff32x32[2]; // [matrixId]
|
|
} CUVIDHEVCPICPARAMS;
|
|
|
|
|
|
/***********************************************************/
|
|
//! \struct CUVIDVP8PICPARAMS
|
|
//! VP8 picture parameters
|
|
//! This structure is used in CUVIDPICPARAMS structure
|
|
/***********************************************************/
|
|
typedef struct _CUVIDVP8PICPARAMS
|
|
{
|
|
int width;
|
|
int height;
|
|
unsigned int first_partition_size;
|
|
//Frame Indexes
|
|
unsigned char LastRefIdx;
|
|
unsigned char GoldenRefIdx;
|
|
unsigned char AltRefIdx;
|
|
union {
|
|
struct {
|
|
unsigned char frame_type : 1; /**< 0 = KEYFRAME, 1 = INTERFRAME */
|
|
unsigned char version : 3;
|
|
unsigned char show_frame : 1;
|
|
unsigned char update_mb_segmentation_data : 1; /**< Must be 0 if segmentation is not enabled */
|
|
unsigned char Reserved2Bits : 2;
|
|
}vp8_frame_tag;
|
|
unsigned char wFrameTagFlags;
|
|
};
|
|
unsigned char Reserved1[4];
|
|
unsigned int Reserved2[3];
|
|
} CUVIDVP8PICPARAMS;
|
|
|
|
/***********************************************************/
|
|
//! \struct CUVIDVP9PICPARAMS
|
|
//! VP9 picture parameters
|
|
//! This structure is used in CUVIDPICPARAMS structure
|
|
/***********************************************************/
|
|
typedef struct _CUVIDVP9PICPARAMS
|
|
{
|
|
unsigned int width;
|
|
unsigned int height;
|
|
|
|
//Frame Indices
|
|
unsigned char LastRefIdx;
|
|
unsigned char GoldenRefIdx;
|
|
unsigned char AltRefIdx;
|
|
unsigned char colorSpace;
|
|
|
|
unsigned short profile : 3;
|
|
unsigned short frameContextIdx : 2;
|
|
unsigned short frameType : 1;
|
|
unsigned short showFrame : 1;
|
|
unsigned short errorResilient : 1;
|
|
unsigned short frameParallelDecoding : 1;
|
|
unsigned short subSamplingX : 1;
|
|
unsigned short subSamplingY : 1;
|
|
unsigned short intraOnly : 1;
|
|
unsigned short allow_high_precision_mv : 1;
|
|
unsigned short refreshEntropyProbs : 1;
|
|
unsigned short reserved2Bits : 2;
|
|
|
|
unsigned short reserved16Bits;
|
|
|
|
unsigned char refFrameSignBias[4];
|
|
|
|
unsigned char bitDepthMinus8Luma;
|
|
unsigned char bitDepthMinus8Chroma;
|
|
unsigned char loopFilterLevel;
|
|
unsigned char loopFilterSharpness;
|
|
|
|
unsigned char modeRefLfEnabled;
|
|
unsigned char log2_tile_columns;
|
|
unsigned char log2_tile_rows;
|
|
|
|
unsigned char segmentEnabled : 1;
|
|
unsigned char segmentMapUpdate : 1;
|
|
unsigned char segmentMapTemporalUpdate : 1;
|
|
unsigned char segmentFeatureMode : 1;
|
|
unsigned char reserved4Bits : 4;
|
|
|
|
|
|
unsigned char segmentFeatureEnable[8][4];
|
|
short segmentFeatureData[8][4];
|
|
unsigned char mb_segment_tree_probs[7];
|
|
unsigned char segment_pred_probs[3];
|
|
unsigned char reservedSegment16Bits[2];
|
|
|
|
int qpYAc;
|
|
int qpYDc;
|
|
int qpChDc;
|
|
int qpChAc;
|
|
|
|
unsigned int activeRefIdx[3];
|
|
unsigned int resetFrameContext;
|
|
unsigned int mcomp_filter_type;
|
|
unsigned int mbRefLfDelta[4];
|
|
unsigned int mbModeLfDelta[2];
|
|
unsigned int frameTagSize;
|
|
unsigned int offsetToDctParts;
|
|
unsigned int reserved128Bits[4];
|
|
|
|
} CUVIDVP9PICPARAMS;
|
|
|
|
|
|
/******************************************************************************************/
|
|
//! \struct CUVIDPICPARAMS
|
|
//! Picture parameters for decoding
|
|
//! This structure is used in cuvidDecodePicture API
|
|
//! IN for cuvidDecodePicture
|
|
/******************************************************************************************/
|
|
typedef struct _CUVIDPICPARAMS
|
|
{
|
|
int PicWidthInMbs; /**< IN: Coded frame size in macroblocks */
|
|
int FrameHeightInMbs; /**< IN: Coded frame height in macroblocks */
|
|
int CurrPicIdx; /**< IN: Output index of the current picture */
|
|
int field_pic_flag; /**< IN: 0=frame picture, 1=field picture */
|
|
int bottom_field_flag; /**< IN: 0=top field, 1=bottom field (ignored if field_pic_flag=0) */
|
|
int second_field; /**< IN: Second field of a complementary field pair */
|
|
// Bitstream data
|
|
unsigned int nBitstreamDataLen; /**< IN: Number of bytes in bitstream data buffer */
|
|
const unsigned char *pBitstreamData; /**< IN: Ptr to bitstream data for this picture (slice-layer) */
|
|
unsigned int nNumSlices; /**< IN: Number of slices in this picture */
|
|
const unsigned int *pSliceDataOffsets; /**< IN: nNumSlices entries, contains offset of each slice within
|
|
the bitstream data buffer */
|
|
int ref_pic_flag; /**< IN: This picture is a reference picture */
|
|
int intra_pic_flag; /**< IN: This picture is entirely intra coded */
|
|
unsigned int Reserved[30]; /**< Reserved for future use */
|
|
// IN: Codec-specific data
|
|
union {
|
|
CUVIDMPEG2PICPARAMS mpeg2; /**< Also used for MPEG-1 */
|
|
CUVIDH264PICPARAMS h264;
|
|
CUVIDVC1PICPARAMS vc1;
|
|
CUVIDMPEG4PICPARAMS mpeg4;
|
|
CUVIDJPEGPICPARAMS jpeg;
|
|
CUVIDHEVCPICPARAMS hevc;
|
|
CUVIDVP8PICPARAMS vp8;
|
|
CUVIDVP9PICPARAMS vp9;
|
|
unsigned int CodecReserved[1024];
|
|
} CodecSpecific;
|
|
} CUVIDPICPARAMS;
|
|
|
|
|
|
/******************************************************/
|
|
//! \struct CUVIDPROCPARAMS
|
|
//! Picture parameters for postprocessing
|
|
//! This structure is used in cuvidMapVideoFrame API
|
|
/******************************************************/
|
|
typedef struct _CUVIDPROCPARAMS
|
|
{
|
|
int progressive_frame; /**< IN: Input is progressive (deinterlace_mode will be ignored) */
|
|
int second_field; /**< IN: Output the second field (ignored if deinterlace mode is Weave) */
|
|
int top_field_first; /**< IN: Input frame is top field first (1st field is top, 2nd field is bottom) */
|
|
int unpaired_field; /**< IN: Input only contains one field (2nd field is invalid) */
|
|
// The fields below are used for raw YUV input
|
|
unsigned int reserved_flags; /**< Reserved for future use (set to zero) */
|
|
unsigned int reserved_zero; /**< Reserved (set to zero) */
|
|
unsigned long long raw_input_dptr; /**< IN: Input CUdeviceptr for raw YUV extensions */
|
|
unsigned int raw_input_pitch; /**< IN: pitch in bytes of raw YUV input (should be aligned appropriately) */
|
|
unsigned int raw_input_format; /**< IN: Input YUV format (cudaVideoCodec_enum) */
|
|
unsigned long long raw_output_dptr; /**< IN: Output CUdeviceptr for raw YUV extensions */
|
|
unsigned int raw_output_pitch; /**< IN: pitch in bytes of raw YUV output (should be aligned appropriately) */
|
|
unsigned int Reserved1; /**< Reserved for future use (set to zero) */
|
|
CUstream output_stream; /**< IN: stream object used by cuvidMapVideoFrame */
|
|
unsigned int Reserved[46]; /**< Reserved for future use (set to zero) */
|
|
void *Reserved2[2]; /**< Reserved for future use (set to zero) */
|
|
} CUVIDPROCPARAMS;
|
|
|
|
/*********************************************************************************************************/
|
|
//! \struct CUVIDGETDECODESTATUS
|
|
//! Struct for reporting decode status.
|
|
//! This structure is used in cuvidGetDecodeStatus API.
|
|
/*********************************************************************************************************/
|
|
typedef struct _CUVIDGETDECODESTATUS
|
|
{
|
|
cuvidDecodeStatus decodeStatus;
|
|
unsigned int reserved[31];
|
|
void *pReserved[8];
|
|
} CUVIDGETDECODESTATUS;
|
|
|
|
/****************************************************/
|
|
//! \struct CUVIDRECONFIGUREDECODERINFO
|
|
//! Struct for decoder reset
|
|
//! This structure is used in cuvidReconfigureDecoder() API
|
|
/****************************************************/
|
|
typedef struct _CUVIDRECONFIGUREDECODERINFO
|
|
{
|
|
unsigned int ulWidth; /**< IN: Coded sequence width in pixels, MUST be < = ulMaxWidth defined at CUVIDDECODECREATEINFO */
|
|
unsigned int ulHeight; /**< IN: Coded sequence height in pixels, MUST be < = ulMaxHeight defined at CUVIDDECODECREATEINFO */
|
|
unsigned int ulTargetWidth; /**< IN: Post processed output width */
|
|
unsigned int ulTargetHeight; /**< IN: Post Processed output height */
|
|
unsigned int ulNumDecodeSurfaces; /**< IN: Maximum number of internal decode surfaces */
|
|
unsigned int reserved1[12]; /**< Reserved for future use. Set to Zero */
|
|
/**
|
|
* IN: Area of frame to be displayed. Use-case : Source Cropping
|
|
*/
|
|
struct {
|
|
short left;
|
|
short top;
|
|
short right;
|
|
short bottom;
|
|
} display_area;
|
|
/**
|
|
* IN: Target Rectangle in the OutputFrame. Use-case : Aspect ratio Conversion
|
|
*/
|
|
struct {
|
|
short left;
|
|
short top;
|
|
short right;
|
|
short bottom;
|
|
} target_rect;
|
|
unsigned int reserved2[11]; /**< Reserved for future use. Set to Zero */
|
|
} CUVIDRECONFIGUREDECODERINFO;
|
|
|
|
|
|
/***********************************************************************************************************/
|
|
//! VIDEO_DECODER
|
|
//!
|
|
//! In order to minimize decode latencies, there should be always at least 2 pictures in the decode
|
|
//! queue at any time, in order to make sure that all decode engines are always busy.
|
|
//!
|
|
//! Overall data flow:
|
|
//! - cuvidGetDecoderCaps(...)
|
|
//! - cuvidCreateDecoder(...)
|
|
//! - For each picture:
|
|
//! + cuvidDecodePicture(N)
|
|
//! + cuvidMapVideoFrame(N-4)
|
|
//! + do some processing in cuda
|
|
//! + cuvidUnmapVideoFrame(N-4)
|
|
//! + cuvidDecodePicture(N+1)
|
|
//! + cuvidMapVideoFrame(N-3)
|
|
//! + ...
|
|
//! - cuvidDestroyDecoder(...)
|
|
//!
|
|
//! NOTE:
|
|
//! - When the cuda context is created from a D3D device, the D3D device must also be created
|
|
//! with the D3DCREATE_MULTITHREADED flag.
|
|
//! - There is a limit to how many pictures can be mapped simultaneously (ulNumOutputSurfaces)
|
|
//! - cuvidDecodePicture may block the calling thread if there are too many pictures pending
|
|
//! in the decode queue
|
|
/***********************************************************************************************************/
|
|
|
|
|
|
/**********************************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidGetDecoderCaps(CUVIDDECODECAPS *pdc)
|
|
//! Queries decode capabilities of NVDEC-HW based on CodecType, ChromaFormat and BitDepthMinus8 parameters.
|
|
//! 1. Application fills IN parameters CodecType, ChromaFormat and BitDepthMinus8 of CUVIDDECODECAPS structure
|
|
//! 2. On calling cuvidGetDecoderCaps, driver fills OUT parameters if the IN parameters are supported
|
|
//! If IN parameters passed to the driver are not supported by NVDEC-HW, then all OUT params are set to 0.
|
|
//! E.g. on Geforce GTX 960:
|
|
//! App fills - eCodecType = cudaVideoCodec_H264; eChromaFormat = cudaVideoChromaFormat_420; nBitDepthMinus8 = 0;
|
|
//! Given IN parameters are supported, hence driver fills: bIsSupported = 1; nMinWidth = 48; nMinHeight = 16;
|
|
//! nMaxWidth = 4096; nMaxHeight = 4096; nMaxMBCount = 65536;
|
|
//! CodedWidth*CodedHeight/256 must be less than or equal to nMaxMBCount
|
|
/**********************************************************************************************************************/
|
|
extern CUresult CUDAAPI cuvidGetDecoderCaps(CUVIDDECODECAPS *pdc);
|
|
|
|
/*****************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidCreateDecoder(CUvideodecoder *phDecoder, CUVIDDECODECREATEINFO *pdci)
|
|
//! Create the decoder object based on pdci. A handle to the created decoder is returned
|
|
/*****************************************************************************************************/
|
|
extern CUresult CUDAAPI cuvidCreateDecoder(CUvideodecoder *phDecoder, CUVIDDECODECREATEINFO *pdci);
|
|
|
|
/*****************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidDestroyDecoder(CUvideodecoder hDecoder)
|
|
//! Destroy the decoder object
|
|
/*****************************************************************************************************/
|
|
extern CUresult CUDAAPI cuvidDestroyDecoder(CUvideodecoder hDecoder);
|
|
|
|
/*****************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidDecodePicture(CUvideodecoder hDecoder, CUVIDPICPARAMS *pPicParams)
|
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//! Decode a single picture (field or frame)
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//! Kicks off HW decoding
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/*****************************************************************************************************/
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extern CUresult CUDAAPI cuvidDecodePicture(CUvideodecoder hDecoder, CUVIDPICPARAMS *pPicParams);
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/************************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidGetDecodeStatus(CUvideodecoder hDecoder, int nPicIdx);
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//! Get the decode status for frame corresponding to nPicIdx
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/************************************************************************************************************/
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extern CUresult CUDAAPI cuvidGetDecodeStatus(CUvideodecoder hDecoder, int nPicIdx, CUVIDGETDECODESTATUS* pDecodeStatus);
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/*********************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidReconfigureDecoder(CUvideodecoder hDecoder, CUVIDRECONFIGUREDECODERINFO *pDecReconfigParams)
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//! Used to reuse single decoder for multiple clips. Currently supports resolution change, resize params, display area
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//! params, target area params change for same codec. Must be called during CUVIDPARSERPARAMS::pfnSequenceCallback
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/*********************************************************************************************************/
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extern CUresult CUDAAPI cuvidReconfigureDecoder(CUvideodecoder hDecoder, CUVIDRECONFIGUREDECODERINFO *pDecReconfigParams);
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#if !defined(__CUVID_DEVPTR64) || defined(__CUVID_INTERNAL)
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/************************************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidMapVideoFrame(CUvideodecoder hDecoder, int nPicIdx, unsigned int *pDevPtr,
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//! unsigned int *pPitch, CUVIDPROCPARAMS *pVPP);
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//! Post-process and map video frame corresponding to nPicIdx for use in cuda. Returns cuda device pointer and associated
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//! pitch of the video frame
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/************************************************************************************************************************/
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extern CUresult CUDAAPI cuvidMapVideoFrame(CUvideodecoder hDecoder, int nPicIdx,
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unsigned int *pDevPtr, unsigned int *pPitch,
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CUVIDPROCPARAMS *pVPP);
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/*****************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidUnmapVideoFrame(CUvideodecoder hDecoder, unsigned int DevPtr)
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//! Unmap a previously mapped video frame
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/*****************************************************************************************************/
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extern CUresult CUDAAPI cuvidUnmapVideoFrame(CUvideodecoder hDecoder, unsigned int DevPtr);
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#endif
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#if defined(_WIN64) || defined(__LP64__) || defined(__x86_64) || defined(AMD64) || defined(_M_AMD64)
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/****************************************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidMapVideoFrame64(CUvideodecoder hDecoder, int nPicIdx, unsigned long long *pDevPtr,
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//! unsigned int * pPitch, CUVIDPROCPARAMS *pVPP);
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//! Post-process and map video frame corresponding to nPicIdx for use in cuda. Returns cuda device pointer and associated
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//! pitch of the video frame
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/****************************************************************************************************************************/
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extern CUresult CUDAAPI cuvidMapVideoFrame64(CUvideodecoder hDecoder, int nPicIdx, unsigned long long *pDevPtr,
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unsigned int *pPitch, CUVIDPROCPARAMS *pVPP);
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/**************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidUnmapVideoFrame64(CUvideodecoder hDecoder, unsigned long long DevPtr);
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//! Unmap a previously mapped video frame
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/**************************************************************************************************/
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extern CUresult CUDAAPI cuvidUnmapVideoFrame64(CUvideodecoder hDecoder, unsigned long long DevPtr);
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#if defined(__CUVID_DEVPTR64) && !defined(__CUVID_INTERNAL)
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#define cuvidMapVideoFrame cuvidMapVideoFrame64
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#define cuvidUnmapVideoFrame cuvidUnmapVideoFrame64
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#endif
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#endif
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/********************************************************************************************************************/
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//!
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//! Context-locking: to facilitate multi-threaded implementations, the following 4 functions
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//! provide a simple mutex-style host synchronization. If a non-NULL context is specified
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//! in CUVIDDECODECREATEINFO, the codec library will acquire the mutex associated with the given
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//! context before making any cuda calls.
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//! A multi-threaded application could create a lock associated with a context handle so that
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//! multiple threads can safely share the same cuda context:
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//! - use cuCtxPopCurrent immediately after context creation in order to create a 'floating' context
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//! that can be passed to cuvidCtxLockCreate.
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//! - When using a floating context, all cuda calls should only be made within a cuvidCtxLock/cuvidCtxUnlock section.
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//!
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//! NOTE: This is a safer alternative to cuCtxPushCurrent and cuCtxPopCurrent, and is not related to video
|
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//! decoder in any way (implemented as a critical section associated with cuCtx{Push|Pop}Current calls).
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/********************************************************************************************************************/
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/********************************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidCtxLockCreate(CUvideoctxlock *pLock, CUcontext ctx)
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//! This API is used to create CtxLock object
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/********************************************************************************************************************/
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extern CUresult CUDAAPI cuvidCtxLockCreate(CUvideoctxlock *pLock, CUcontext ctx);
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/********************************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidCtxLockDestroy(CUvideoctxlock lck)
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//! This API is used to free CtxLock object
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/********************************************************************************************************************/
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extern CUresult CUDAAPI cuvidCtxLockDestroy(CUvideoctxlock lck);
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/********************************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidCtxLock(CUvideoctxlock lck, unsigned int reserved_flags)
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//! This API is used to acquire ctxlock
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/********************************************************************************************************************/
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extern CUresult CUDAAPI cuvidCtxLock(CUvideoctxlock lck, unsigned int reserved_flags);
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/********************************************************************************************************************/
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//! \fn CUresult CUDAAPI cuvidCtxUnlock(CUvideoctxlock lck, unsigned int reserved_flags)
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//! This API is used to release ctxlock
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/********************************************************************************************************************/
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extern CUresult CUDAAPI cuvidCtxUnlock(CUvideoctxlock lck, unsigned int reserved_flags);
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|
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/**********************************************************************************************/
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|
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#if defined(__cplusplus)
|
|
}
|
|
// Auto-lock helper for C++ applications
|
|
class CCtxAutoLock
|
|
{
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private:
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CUvideoctxlock m_ctx;
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public:
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CCtxAutoLock(CUvideoctxlock ctx):m_ctx(ctx) { cuvidCtxLock(m_ctx,0); }
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~CCtxAutoLock() { cuvidCtxUnlock(m_ctx,0); }
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};
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#endif /* __cplusplus */
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#endif // __CUDA_VIDEO_H__
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