/* * Copyright © Microsoft 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 (including the next * paragraph) 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. */ #ifndef D3D12_VIDEO_DEC_H264_H #define D3D12_VIDEO_DEC_H264_H #include "d3d12_video_types.h" // From DXVA spec regarding DXVA_PicEntry_H264 entries: // Entries that will not be used for decoding the current picture, or any subsequent pictures, // are indicated by setting bPicEntry to 0xFF. // If bPicEntry is not 0xFF, the entry may be used as a reference surface for decoding the current picture or // a subsequent picture (in decoding order). constexpr uint16_t DXVA_H264_INVALID_PICTURE_INDEX = 0x7F; // This corresponds to DXVA_PicEntry_H264.Index7Bits ; Not to be confused with the invalid value for // DXVA_PicEntry_H264.bPicEntry full char value constexpr uint16_t DXVA_H264_INVALID_PICTURE_ENTRY_VALUE = 0xFF; // This corresponds to DXVA_PicEntry_H264.bPicEntry constexpr unsigned int DXVA_H264_START_CODE = 0x000001; // 3 byte start code constexpr unsigned int DXVA_H264_START_CODE_LEN_BITS = 24; // 3 byte start code enum d3d12_video_decoder_nal_unit_type_h264 { type_unspecified = 0, type_slice = 1, type_slice_part_A = 2, type_slice_part_B = 3, type_slice_part_C = 4, type_slice_IDR = 5, type_SEI = 6, type_SPS = 7, type_PPS = 8, type_acces_delimiter = 9, type_EOSeq = 10, type_EOStr = 11, type_EOData = 12, type_SPSxt = 13, type_prefix_nal_unit = 14, type_subset_SPS = 15, type_reserved16 = 16, type_reserved17 = 17, type_reserved18 = 18, type_slice_aux = 19, type_slice_layer_ext = 20, type_reserved21 = 21, type_reserved22 = 22, type_reserved23 = 23, type_unspecified24 = 24, type_unspecified25 = 25, type_unspecified26 = 26, type_unspecified27 = 27, type_unspecified28 = 28, type_unspecified29 = 29, type_unspecified30 = 30, type_unspecified31 = 31 }; /* H.264/AVC picture entry data structure */ /* If including new DXVA structs in this header, check the byte-alignment packing pragma declarations that need to be included with them */ #pragma pack(push, BeforeDXVApacking, 1) typedef struct _DXVA_PicEntry_H264 { union { struct { uint8_t Index7Bits : 7; uint8_t AssociatedFlag : 1; }; uint8_t bPicEntry; }; } DXVA_PicEntry_H264, *LPDXVA_PicEntry_H264; /* 1 byte */ #pragma pack(pop, BeforeDXVApacking) /* H.264/AVC picture parameters structure */ /* If including new DXVA structs in this header, check the byte-alignment packing pragma declarations that need to be included with them */ #pragma pack(push, BeforeDXVApacking, 1) typedef struct _DXVA_PicParams_H264 { uint16_t wFrameWidthInMbsMinus1; uint16_t wFrameHeightInMbsMinus1; DXVA_PicEntry_H264 CurrPic; /* flag is bot field flag */ uint8_t num_ref_frames; union { struct { uint16_t field_pic_flag : 1; uint16_t MbaffFrameFlag : 1; uint16_t residual_colour_transform_flag : 1; uint16_t sp_for_switch_flag : 1; uint16_t chroma_format_idc : 2; uint16_t RefPicFlag : 1; uint16_t constrained_intra_pred_flag : 1; uint16_t weighted_pred_flag : 1; uint16_t weighted_bipred_idc : 2; uint16_t MbsConsecutiveFlag : 1; uint16_t frame_mbs_only_flag : 1; uint16_t transform_8x8_mode_flag : 1; uint16_t MinLumaBipredSize8x8Flag : 1; uint16_t IntraPicFlag : 1; }; uint16_t wBitFields; }; uint8_t bit_depth_luma_minus8; uint8_t bit_depth_chroma_minus8; uint16_t Reserved16Bits; uint32_t StatusReportFeedbackNumber; DXVA_PicEntry_H264 RefFrameList[16]; /* flag LT */ int32_t CurrFieldOrderCnt[2]; int32_t FieldOrderCntList[16][2]; char pic_init_qs_minus26; char chroma_qp_index_offset; /* also used for QScb */ char second_chroma_qp_index_offset; /* also for QScr */ uint8_t ContinuationFlag; /* remainder for parsing */ char pic_init_qp_minus26; uint8_t num_ref_idx_l0_active_minus1; uint8_t num_ref_idx_l1_active_minus1; uint8_t Reserved8BitsA; uint16_t FrameNumList[16]; uint32_t UsedForReferenceFlags; uint16_t NonExistingFrameFlags; uint16_t frame_num; uint8_t log2_max_frame_num_minus4; uint8_t pic_order_cnt_type; uint8_t log2_max_pic_order_cnt_lsb_minus4; uint8_t delta_pic_order_always_zero_flag; uint8_t direct_8x8_inference_flag; uint8_t entropy_coding_mode_flag; uint8_t pic_order_present_flag; uint8_t num_slice_groups_minus1; uint8_t slice_group_map_type; uint8_t deblocking_filter_control_present_flag; uint8_t redundant_pic_cnt_present_flag; uint8_t Reserved8BitsB; uint16_t slice_group_change_rate_minus1; uint8_t SliceGroupMap[810]; /* 4b/sgmu, Size BT.601 */ } DXVA_PicParams_H264, *LPDXVA_PicParams_H264; #pragma pack(pop, BeforeDXVApacking) /* H.264/AVC quantization weighting matrix data structure */ /* If including new DXVA structs in this header, check the byte-alignment packing pragma declarations that need to be included with them */ #pragma pack(push, BeforeDXVApacking, 1) typedef struct _DXVA_Qmatrix_H264 { uint8_t bScalingLists4x4[6][16]; uint8_t bScalingLists8x8[2][64]; } DXVA_Qmatrix_H264, *LPDXVA_Qmatrix_H264; #pragma pack(pop, BeforeDXVApacking) /* H.264/AVC slice control data structure - short form */ /* If including new DXVA structs in this header, check the byte-alignment packing pragma declarations that need to be included with them */ #pragma pack(push, BeforeDXVApacking, 1) typedef struct _DXVA_Slice_H264_Short { uint32_t BSNALunitDataLocation; /* type 1..5 */ uint32_t SliceBytesInBuffer; /* for off-host parse */ uint16_t wBadSliceChopping; /* for off-host parse */ } DXVA_Slice_H264_Short, *LPDXVA_Slice_H264_Short; #pragma pack(pop, BeforeDXVApacking) DXVA_PicParams_H264 d3d12_video_decoder_dxva_picparams_from_pipe_picparams_h264(uint32_t frameNum, pipe_video_profile profile, uint32_t frameWidth, uint32_t frameHeight, pipe_h264_picture_desc *pipeDesc); void d3d12_video_decoder_get_frame_info_h264( struct d3d12_video_decoder *pD3D12Dec, uint32_t *pWidth, uint32_t *pHeight, uint16_t *pMaxDPB); void d3d12_video_decoder_prepare_current_frame_references_h264(struct d3d12_video_decoder *pD3D12Dec, ID3D12Resource * pTexture2D, uint32_t subresourceIndex); void d3d12_video_decoder_dxva_qmatrix_from_pipe_picparams_h264(pipe_h264_picture_desc *pPipeDesc, DXVA_Qmatrix_H264 & outMatrixBuffer); void d3d12_video_decoder_refresh_dpb_active_references_h264(struct d3d12_video_decoder *pD3D12Dec); uint d3d12_video_decoder_get_slice_count_h264(std::vector &buf); void d3d12_video_decoder_prepare_dxva_slices_control_h264(struct d3d12_video_decoder * pD3D12Dec, std::vector &vecOutSliceControlBuffers, struct pipe_h264_picture_desc* picture_h264); void d3d12_video_decoder_log_pic_params_h264(DXVA_PicParams_H264 * pPicParams); #endif