/* * This copyright notice applies to this header file only: * * Copyright (c) 2010-2016 NVIDIA Corporation * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the software, and to permit persons to whom the * software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ /** * \file cuviddec.h * NvCuvid API provides Video Decoding interface to NVIDIA GPU devices. * \date 2015-2016 * This file contains constants, structure definitions and function prototypes used for decoding. */ #if !defined(__CUDA_VIDEO_H__) #define __CUDA_VIDEO_H__ #ifndef __cuda_cuda_h__ #include #endif // __cuda_cuda_h__ #if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64) #if (CUDA_VERSION >= 3020) && (!defined(CUDA_FORCE_API_VERSION) || (CUDA_FORCE_API_VERSION >= 3020)) #define __CUVID_DEVPTR64 #endif #endif #if defined(__cplusplus) extern "C" { #endif /* __cplusplus */ typedef void *CUvideodecoder; typedef struct _CUcontextlock_st *CUvideoctxlock; /** * \addtogroup VIDEO_DECODER Video Decoder * @{ */ /*! * \enum cudaVideoCodec * Video Codec Enums */ typedef enum cudaVideoCodec_enum { cudaVideoCodec_MPEG1=0, /**< MPEG1 */ cudaVideoCodec_MPEG2, /**< MPEG2 */ cudaVideoCodec_MPEG4, /**< MPEG4 */ cudaVideoCodec_VC1, /**< VC1 */ cudaVideoCodec_H264, /**< H264 */ cudaVideoCodec_JPEG, /**< JPEG */ cudaVideoCodec_H264_SVC, /**< H264-SVC */ cudaVideoCodec_H264_MVC, /**< H264-MVC */ cudaVideoCodec_HEVC, /**< HEVC */ cudaVideoCodec_VP8, /**< VP8 */ cudaVideoCodec_VP9, /**< VP9 */ cudaVideoCodec_NumCodecs, /**< Max COdecs */ // Uncompressed YUV cudaVideoCodec_YUV420 = (('I'<<24)|('Y'<<16)|('U'<<8)|('V')), /**< Y,U,V (4:2:0) */ cudaVideoCodec_YV12 = (('Y'<<24)|('V'<<16)|('1'<<8)|('2')), /**< Y,V,U (4:2:0) */ cudaVideoCodec_NV12 = (('N'<<24)|('V'<<16)|('1'<<8)|('2')), /**< Y,UV (4:2:0) */ cudaVideoCodec_YUYV = (('Y'<<24)|('U'<<16)|('Y'<<8)|('V')), /**< YUYV/YUY2 (4:2:2) */ cudaVideoCodec_UYVY = (('U'<<24)|('Y'<<16)|('V'<<8)|('Y')) /**< UYVY (4:2:2) */ } cudaVideoCodec; /*! * \enum cudaVideoSurfaceFormat * Video Surface Formats Enums */ typedef enum cudaVideoSurfaceFormat_enum { cudaVideoSurfaceFormat_NV12=0 /**< NV12 (currently the only supported output format) */ } cudaVideoSurfaceFormat; /*! * \enum cudaVideoDeinterlaceMode * Deinterlacing Modes Enums */ typedef enum cudaVideoDeinterlaceMode_enum { cudaVideoDeinterlaceMode_Weave=0, /**< Weave both fields (no deinterlacing) */ cudaVideoDeinterlaceMode_Bob, /**< Drop one field */ cudaVideoDeinterlaceMode_Adaptive /**< Adaptive deinterlacing */ } cudaVideoDeinterlaceMode; /*! * \enum cudaVideoChromaFormat * Chroma Formats Enums */ typedef enum cudaVideoChromaFormat_enum { cudaVideoChromaFormat_Monochrome=0, /**< MonoChrome */ cudaVideoChromaFormat_420, /**< 4:2:0 */ cudaVideoChromaFormat_422, /**< 4:2:2 */ cudaVideoChromaFormat_444 /**< 4:4:4 */ } cudaVideoChromaFormat; /*! * \enum cudaVideoCreateFlags * Decoder Flags Enums */ typedef enum cudaVideoCreateFlags_enum { cudaVideoCreate_Default = 0x00, /**< Default operation mode: use dedicated video engines */ cudaVideoCreate_PreferCUDA = 0x01, /**< Use a CUDA-based decoder if faster than dedicated engines (requires a valid vidLock object for multi-threading) */ cudaVideoCreate_PreferDXVA = 0x02, /**< Go through DXVA internally if possible (requires D3D9 interop) */ cudaVideoCreate_PreferCUVID = 0x04 /**< Use dedicated video engines directly */ } cudaVideoCreateFlags; /*! * \struct CUVIDDECODECREATEINFO * Struct used in create decoder */ typedef struct _CUVIDDECODECREATEINFO { unsigned long ulWidth; /**< Coded Sequence Width */ unsigned long ulHeight; /**< Coded Sequence Height */ unsigned long ulNumDecodeSurfaces; /**< Maximum number of internal decode surfaces */ cudaVideoCodec CodecType; /**< cudaVideoCodec_XXX */ cudaVideoChromaFormat ChromaFormat; /**< cudaVideoChromaFormat_XXX (only 4:2:0 is currently supported) */ unsigned long ulCreationFlags; /**< Decoder creation flags (cudaVideoCreateFlags_XXX) */ unsigned long bitDepthMinus8; unsigned long Reserved1[4]; /**< Reserved for future use - set to zero */ /** * area of the frame that should be displayed */ struct { short left; short top; short right; short bottom; } display_area; cudaVideoSurfaceFormat OutputFormat; /**< cudaVideoSurfaceFormat_XXX */ cudaVideoDeinterlaceMode DeinterlaceMode; /**< cudaVideoDeinterlaceMode_XXX */ unsigned long ulTargetWidth; /**< Post-processed Output Width (Should be aligned to 2) */ unsigned long ulTargetHeight; /**< Post-processed Output Height (Should be aligbed to 2) */ unsigned long ulNumOutputSurfaces; /**< Maximum number of output surfaces simultaneously mapped */ CUvideoctxlock vidLock; /**< If non-NULL, context lock used for synchronizing ownership of the cuda context */ /** * target rectangle in the output frame (for aspect ratio conversion) * if a null rectangle is specified, {0,0,ulTargetWidth,ulTargetHeight} will be used */ struct { short left; short top; short right; short bottom; } target_rect; unsigned long Reserved2[5]; /**< Reserved for future use - set to zero */ } CUVIDDECODECREATEINFO; /*! * \struct CUVIDH264DPBENTRY * H.264 DPB Entry */ typedef struct _CUVIDH264DPBENTRY { int PicIdx; /**< picture index of reference frame */ int FrameIdx; /**< frame_num(short-term) or LongTermFrameIdx(long-term) */ int is_long_term; /**< 0=short term reference, 1=long term reference */ int not_existing; /**< non-existing reference frame (corresponding PicIdx should be set to -1) */ int used_for_reference; /**< 0=unused, 1=top_field, 2=bottom_field, 3=both_fields */ int FieldOrderCnt[2]; /**< field order count of top and bottom fields */ } CUVIDH264DPBENTRY; /*! * \struct CUVIDH264MVCEXT * H.264 MVC Picture Parameters Ext */ typedef struct _CUVIDH264MVCEXT { int num_views_minus1; int view_id; unsigned char inter_view_flag; unsigned char num_inter_view_refs_l0; unsigned char num_inter_view_refs_l1; unsigned char MVCReserved8Bits; int InterViewRefsL0[16]; int InterViewRefsL1[16]; } CUVIDH264MVCEXT; /*! * \struct CUVIDH264SVCEXT * H.264 SVC Picture Parameters Ext */ typedef struct _CUVIDH264SVCEXT { unsigned char profile_idc; unsigned char level_idc; unsigned char DQId; unsigned char DQIdMax; unsigned char disable_inter_layer_deblocking_filter_idc; unsigned char ref_layer_chroma_phase_y_plus1; signed char inter_layer_slice_alpha_c0_offset_div2; signed char inter_layer_slice_beta_offset_div2; unsigned short DPBEntryValidFlag; unsigned char inter_layer_deblocking_filter_control_present_flag; unsigned char extended_spatial_scalability_idc; unsigned char adaptive_tcoeff_level_prediction_flag; unsigned char slice_header_restriction_flag; unsigned char chroma_phase_x_plus1_flag; unsigned char chroma_phase_y_plus1; unsigned char tcoeff_level_prediction_flag; unsigned char constrained_intra_resampling_flag; unsigned char ref_layer_chroma_phase_x_plus1_flag; unsigned char store_ref_base_pic_flag; unsigned char Reserved8BitsA; unsigned char Reserved8BitsB; // For the 4 scaled_ref_layer_XX fields below, // if (extended_spatial_scalability_idc == 1), SPS field, G.7.3.2.1.4, add prefix "seq_" // if (extended_spatial_scalability_idc == 2), SLH field, G.7.3.3.4, short scaled_ref_layer_left_offset; short scaled_ref_layer_top_offset; short scaled_ref_layer_right_offset; short scaled_ref_layer_bottom_offset; unsigned short Reserved16Bits; struct _CUVIDPICPARAMS *pNextLayer; /**< Points to the picparams for the next layer to be decoded. Linked list ends at the target layer. */ int bRefBaseLayer; /**< whether to store ref base pic */ } CUVIDH264SVCEXT; /*! * \struct CUVIDH264PICPARAMS * H.264 Picture Parameters */ typedef struct _CUVIDH264PICPARAMS { // SPS int log2_max_frame_num_minus4; int pic_order_cnt_type; int log2_max_pic_order_cnt_lsb_minus4; int delta_pic_order_always_zero_flag; int frame_mbs_only_flag; int direct_8x8_inference_flag; int num_ref_frames; // NOTE: shall meet level 4.1 restrictions unsigned char residual_colour_transform_flag; unsigned char bit_depth_luma_minus8; // Must be 0 (only 8-bit supported) unsigned char bit_depth_chroma_minus8; // Must be 0 (only 8-bit supported) unsigned char qpprime_y_zero_transform_bypass_flag; // PPS int entropy_coding_mode_flag; int pic_order_present_flag; int num_ref_idx_l0_active_minus1; int num_ref_idx_l1_active_minus1; int weighted_pred_flag; int weighted_bipred_idc; int pic_init_qp_minus26; int deblocking_filter_control_present_flag; int redundant_pic_cnt_present_flag; int transform_8x8_mode_flag; int MbaffFrameFlag; int constrained_intra_pred_flag; int chroma_qp_index_offset; int second_chroma_qp_index_offset; int ref_pic_flag; int frame_num; int CurrFieldOrderCnt[2]; // DPB CUVIDH264DPBENTRY dpb[16]; // List of reference frames within the DPB // Quantization Matrices (raster-order) unsigned char WeightScale4x4[6][16]; unsigned char WeightScale8x8[2][64]; // FMO/ASO unsigned char fmo_aso_enable; unsigned char num_slice_groups_minus1; unsigned char slice_group_map_type; signed char pic_init_qs_minus26; unsigned int slice_group_change_rate_minus1; union { unsigned long long slice_group_map_addr; const unsigned char *pMb2SliceGroupMap; } fmo; unsigned int Reserved[12]; // SVC/MVC union { CUVIDH264MVCEXT mvcext; CUVIDH264SVCEXT svcext; }; } CUVIDH264PICPARAMS; /*! * \struct CUVIDMPEG2PICPARAMS * MPEG-2 Picture Parameters */ typedef struct _CUVIDMPEG2PICPARAMS { int ForwardRefIdx; // Picture index of forward reference (P/B-frames) int BackwardRefIdx; // Picture index of backward reference (B-frames) int picture_coding_type; int full_pel_forward_vector; int full_pel_backward_vector; int f_code[2][2]; int intra_dc_precision; int frame_pred_frame_dct; int concealment_motion_vectors; int q_scale_type; int intra_vlc_format; int alternate_scan; int top_field_first; // Quantization matrices (raster order) unsigned char QuantMatrixIntra[64]; unsigned char QuantMatrixInter[64]; } CUVIDMPEG2PICPARAMS; //////////////////////////////////////////////////////////////////////////////////////////////// // // MPEG-4 Picture Parameters // // MPEG-4 has VOP types instead of Picture types #define I_VOP 0 #define P_VOP 1 #define B_VOP 2 #define S_VOP 3 /*! * \struct CUVIDMPEG4PICPARAMS * MPEG-4 Picture Parameters */ typedef struct _CUVIDMPEG4PICPARAMS { int ForwardRefIdx; // Picture index of forward reference (P/B-frames) int BackwardRefIdx; // Picture index of backward reference (B-frames) // VOL int video_object_layer_width; int video_object_layer_height; int vop_time_increment_bitcount; int top_field_first; int resync_marker_disable; int quant_type; int quarter_sample; int short_video_header; int divx_flags; // VOP int vop_coding_type; int vop_coded; int vop_rounding_type; int alternate_vertical_scan_flag; int interlaced; int vop_fcode_forward; int vop_fcode_backward; int trd[2]; int trb[2]; // Quantization matrices (raster order) unsigned char QuantMatrixIntra[64]; unsigned char QuantMatrixInter[64]; int gmc_enabled; } CUVIDMPEG4PICPARAMS; /*! * \struct CUVIDVC1PICPARAMS * VC1 Picture Parameters */ 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 */ typedef struct _CUVIDJPEGPICPARAMS { int Reserved; } CUVIDJPEGPICPARAMS; /*! * \struct CUVIDHEVCPICPARAMS * HEVC Picture Parameters */ 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; unsigned char reserved1[14]; // 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]; unsigned int reserved3[15]; // 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 */ 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; }; unsigned char wFrameTagFlags; }; unsigned char Reserved1[4]; unsigned int Reserved2[3]; } CUVIDVP8PICPARAMS; /*! * \struct CUVIDVP9PICPARAMS * VP9 Picture Parameters */ 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 */ typedef struct _CUVIDPICPARAMS { int PicWidthInMbs; /**< Coded Frame Size */ int FrameHeightInMbs; /**< Coded Frame Height */ int CurrPicIdx; /**< Output index of the current picture */ int field_pic_flag; /**< 0=frame picture, 1=field picture */ int bottom_field_flag; /**< 0=top field, 1=bottom field (ignored if field_pic_flag=0) */ int second_field; /**< Second field of a complementary field pair */ // Bitstream data unsigned int nBitstreamDataLen; /**< Number of bytes in bitstream data buffer */ const unsigned char *pBitstreamData; /**< Ptr to bitstream data for this picture (slice-layer) */ unsigned int nNumSlices; /**< Number of slices in this picture */ const unsigned int *pSliceDataOffsets; /**< nNumSlices entries, contains offset of each slice within the bitstream data buffer */ int ref_pic_flag; /**< This picture is a reference picture */ int intra_pic_flag; /**< This picture is entirely intra coded */ unsigned int Reserved[30]; /**< Reserved for future use */ // 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 */ typedef struct _CUVIDPROCPARAMS { int progressive_frame; /**< Input is progressive (deinterlace_mode will be ignored) */ int second_field; /**< Output the second field (ignored if deinterlace mode is Weave) */ int top_field_first; /**< Input frame is top field first (1st field is top, 2nd field is bottom) */ int unpaired_field; /**< 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; /**< Input CUdeviceptr for raw YUV extensions */ unsigned int raw_input_pitch; /**< pitch in bytes of raw YUV input (should be aligned appropriately) */ unsigned int raw_input_format; /**< Reserved for future use (set to zero) */ unsigned long long raw_output_dptr; /**< Reserved for future use (set to zero) */ unsigned int raw_output_pitch; /**< Reserved for future use (set to zero) */ unsigned int Reserved[48]; void *Reserved3[3]; } CUVIDPROCPARAMS; /** * * 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: * - 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 cuvidCreateDecoder(CUvideodecoder *phDecoder, CUVIDDECODECREATEINFO *pdci) * Create the decoder object */ CUresult CUDAAPI cuvidCreateDecoder(CUvideodecoder *phDecoder, CUVIDDECODECREATEINFO *pdci); /** * \fn CUresult CUDAAPI cuvidDestroyDecoder(CUvideodecoder hDecoder) * Destroy the decoder object */ CUresult CUDAAPI cuvidDestroyDecoder(CUvideodecoder hDecoder); /** * \fn CUresult CUDAAPI cuvidDecodePicture(CUvideodecoder hDecoder, CUVIDPICPARAMS *pPicParams) * Decode a single picture (field or frame) */ CUresult CUDAAPI cuvidDecodePicture(CUvideodecoder hDecoder, CUVIDPICPARAMS *pPicParams); #if !defined(__CUVID_DEVPTR64) || defined(__CUVID_INTERNAL) /** * \fn CUresult CUDAAPI cuvidMapVideoFrame(CUvideodecoder hDecoder, int nPicIdx, unsigned int *pDevPtr, unsigned int *pPitch, CUVIDPROCPARAMS *pVPP); * Post-process and map a video frame for use in cuda */ CUresult CUDAAPI cuvidMapVideoFrame(CUvideodecoder hDecoder, int nPicIdx, unsigned int *pDevPtr, unsigned int *pPitch, CUVIDPROCPARAMS *pVPP); /** * \fn CUresult CUDAAPI cuvidUnmapVideoFrame(CUvideodecoder hDecoder, unsigned int DevPtr) * Unmap a previously mapped video frame */ CUresult CUDAAPI cuvidUnmapVideoFrame(CUvideodecoder hDecoder, unsigned int DevPtr); #endif #if defined(WIN64) || defined(_WIN64) || defined(__x86_64) || defined(AMD64) || defined(_M_AMD64) /** * \fn CUresult CUDAAPI cuvidMapVideoFrame64(CUvideodecoder hDecoder, int nPicIdx, unsigned long long *pDevPtr, unsigned int *pPitch, CUVIDPROCPARAMS *pVPP); * map a video frame */ CUresult CUDAAPI cuvidMapVideoFrame64(CUvideodecoder hDecoder, int nPicIdx, unsigned long long *pDevPtr, unsigned int *pPitch, CUVIDPROCPARAMS *pVPP); /** * \fn CUresult CUDAAPI cuvidUnmapVideoFrame64(CUvideodecoder hDecoder, unsigned long long DevPtr); * Unmap a previously mapped video frame */ CUresult CUDAAPI cuvidUnmapVideoFrame64(CUvideodecoder hDecoder, unsigned long long DevPtr); #if defined(__CUVID_DEVPTR64) && !defined(__CUVID_INTERNAL) #define cuvidMapVideoFrame cuvidMapVideoFrame64 #define cuvidUnmapVideoFrame cuvidUnmapVideoFrame64 #endif #endif /** * * Context-locking: to facilitate multi-threaded implementations, the following 4 functions * provide a simple mutex-style host synchronization. If a non-NULL context is specified * in CUVIDDECODECREATEINFO, the codec library will acquire the mutex associated with the given * context before making any cuda calls. * A multi-threaded application could create a lock associated with a context handle so that * multiple threads can safely share the same cuda context: * - use cuCtxPopCurrent immediately after context creation in order to create a 'floating' context * that can be passed to cuvidCtxLockCreate. * - When using a floating context, all cuda calls should only be made within a cuvidCtxLock/cuvidCtxUnlock section. * * NOTE: This is a safer alternative to cuCtxPushCurrent and cuCtxPopCurrent, and is not related to video * decoder in any way (implemented as a critical section associated with cuCtx{Push|Pop}Current calls). */ /** * \fn CUresult CUDAAPI cuvidCtxLockCreate(CUvideoctxlock *pLock, CUcontext ctx) */ CUresult CUDAAPI cuvidCtxLockCreate(CUvideoctxlock *pLock, CUcontext ctx); /** * \fn CUresult CUDAAPI cuvidCtxLockDestroy(CUvideoctxlock lck) */ CUresult CUDAAPI cuvidCtxLockDestroy(CUvideoctxlock lck); /** * \fn CUresult CUDAAPI cuvidCtxLock(CUvideoctxlock lck, unsigned int reserved_flags) */ CUresult CUDAAPI cuvidCtxLock(CUvideoctxlock lck, unsigned int reserved_flags); /** * \fn CUresult CUDAAPI cuvidCtxUnlock(CUvideoctxlock lck, unsigned int reserved_flags) */ CUresult CUDAAPI cuvidCtxUnlock(CUvideoctxlock lck, unsigned int reserved_flags); /** @} */ /* End VIDEO_DECODER */ //////////////////////////////////////////////////////////////////////////////////////////////// #if defined(__cplusplus) // Auto-lock helper for C++ applications class CCtxAutoLock { private: CUvideoctxlock m_ctx; public: CCtxAutoLock(CUvideoctxlock ctx); ~CCtxAutoLock(); }; } #endif /* __cplusplus */ #endif // __CUDA_VIDEO_H__