mesa/src/gallium/drivers/d3d12/d3d12_video_dec_hevc.h

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/*
* Copyright © Microsoft Corporation
*
* Permission is hereby granted, free of uint8_tge, 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_HEVC_H
#define D3D12_VIDEO_DEC_HEVC_H
#include "d3d12_video_types.h"
// From DXVA spec regarding DXVA_PicEntry_HEVC 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_HEVC_INVALID_PICTURE_INDEX =
0x7F; // This corresponds to DXVA_PicEntry_HEVC.Index7Bits ; Not to be confused with the invalid value for
// DXVA_PicEntry_HEVC.bPicEntry full uint8_t value
constexpr uint16_t DXVA_HEVC_INVALID_PICTURE_ENTRY_VALUE = 0xFF; // This corresponds to DXVA_PicEntry_HEVC.bPicEntry
constexpr unsigned int DXVA_HEVC_START_CODE = 0x000001; // 3 byte start code
constexpr unsigned int DXVA_HEVC_START_CODE_LEN_BITS = 24; // 3 byte start code
#define DXVA_RPS_COUNT 8
/* HEVC 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_HEVC
{
union
{
struct
{
uint8_t Index7Bits : 7;
uint8_t AssociatedFlag : 1;
};
uint8_t bPicEntry;
};
} DXVA_PicEntry_HEVC, *LPDXVA_PicEntry_HEVC; /* 1 byte */
#pragma pack(pop, BeforeDXVApacking)
/* HEVC 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)
/* HEVC Picture Parameter structure */
typedef struct _DXVA_PicParams_HEVC {
uint16_t PicWidthInMinCbsY;
uint16_t PicHeightInMinCbsY;
union {
struct {
uint16_t chroma_format_idc : 2;
uint16_t separate_colour_plane_flag : 1;
uint16_t bit_depth_luma_minus8 : 3;
uint16_t bit_depth_chroma_minus8 : 3;
uint16_t log2_max_pic_order_cnt_lsb_minus4 : 4;
uint16_t NoPicReorderingFlag : 1;
uint16_t NoBiPredFlag : 1;
uint16_t ReservedBits1 : 1;
};
uint16_t wFormatAndSequenceInfoFlags;
};
DXVA_PicEntry_HEVC CurrPic;
uint8_t sps_max_dec_pic_buffering_minus1;
uint8_t log2_min_luma_coding_block_size_minus3;
uint8_t log2_diff_max_min_luma_coding_block_size;
uint8_t log2_min_transform_block_size_minus2;
uint8_t log2_diff_max_min_transform_block_size;
uint8_t max_transform_hierarchy_depth_inter;
uint8_t max_transform_hierarchy_depth_intra;
uint8_t num_short_term_ref_pic_sets;
uint8_t num_long_term_ref_pics_sps;
uint8_t num_ref_idx_l0_default_active_minus1;
uint8_t num_ref_idx_l1_default_active_minus1;
uint8_t init_qp_minus26;
uint8_t ucNumDeltaPocsOfRefRpsIdx;
uint16_t wNumBitsForShortTermRPSInSlice;
uint16_t ReservedBits2;
union {
struct {
uint32_t scaling_list_enabled_flag : 1;
uint32_t amp_enabled_flag : 1;
uint32_t sample_adaptive_offset_enabled_flag : 1;
uint32_t pcm_enabled_flag : 1;
uint32_t pcm_sample_bit_depth_luma_minus1 : 4;
uint32_t pcm_sample_bit_depth_chroma_minus1 : 4;
uint32_t log2_min_pcm_luma_coding_block_size_minus3 : 2;
uint32_t log2_diff_max_min_pcm_luma_coding_block_size : 2;
uint32_t pcm_loop_filter_disabled_flag : 1;
uint32_t long_term_ref_pics_present_flag : 1;
uint32_t sps_temporal_mvp_enabled_flag : 1;
uint32_t strong_intra_smoothing_enabled_flag : 1;
uint32_t dependent_slice_segments_enabled_flag : 1;
uint32_t output_flag_present_flag : 1;
uint32_t num_extra_slice_header_bits : 3;
uint32_t sign_data_hiding_enabled_flag : 1;
uint32_t cabac_init_present_flag : 1;
uint32_t ReservedBits3 : 5;
};
uint32_t dwCodingParamToolFlags;
};
union {
struct {
uint32_t constrained_intra_pred_flag : 1;
uint32_t transform_skip_enabled_flag : 1;
uint32_t cu_qp_delta_enabled_flag : 1;
uint32_t pps_slice_chroma_qp_offsets_present_flag : 1;
uint32_t weighted_pred_flag : 1;
uint32_t weighted_bipred_flag : 1;
uint32_t transquant_bypass_enabled_flag : 1;
uint32_t tiles_enabled_flag : 1;
uint32_t entropy_coding_sync_enabled_flag : 1;
uint32_t uniform_spacing_flag : 1;
uint32_t loop_filter_across_tiles_enabled_flag : 1;
uint32_t pps_loop_filter_across_slices_enabled_flag : 1;
uint32_t deblocking_filter_override_enabled_flag : 1;
uint32_t pps_deblocking_filter_disabled_flag : 1;
uint32_t lists_modification_present_flag : 1;
uint32_t slice_segment_header_extension_present_flag : 1;
uint32_t IrapPicFlag : 1;
uint32_t IdrPicFlag : 1;
uint32_t IntraPicFlag : 1;
uint32_t ReservedBits4 : 13;
};
uint32_t dwCodingSettingPicturePropertyFlags;
};
uint8_t pps_cb_qp_offset;
uint8_t pps_cr_qp_offset;
uint8_t num_tile_columns_minus1;
uint8_t num_tile_rows_minus1;
uint16_t column_width_minus1[19];
uint16_t row_height_minus1[21];
uint8_t diff_cu_qp_delta_depth;
uint8_t pps_beta_offset_div2;
uint8_t pps_tc_offset_div2;
uint8_t log2_parallel_merge_level_minus2;
int32_t CurrPicOrderCntVal;
DXVA_PicEntry_HEVC RefPicList[15];
uint8_t ReservedBits5;
int32_t PicOrderCntValList[15];
uint8_t RefPicSetStCurrBefore[8];
uint8_t RefPicSetStCurrAfter[8];
uint8_t RefPicSetLtCurr[8];
uint16_t ReservedBits6;
uint16_t ReservedBits7;
uint32_t StatusReportFeedbackNumber;
} DXVA_PicParams_HEVC, *LPDXVA_PicParams_HEVC;
#pragma pack(pop, BeforeDXVApacking)
static_assert(_countof(DXVA_PicParams_HEVC::RefPicSetStCurrBefore) == DXVA_RPS_COUNT,
"DXVA_PicParams_HEVC::RefPicSetStCurrBefore must have DXVA_RPS_COUNT elements");
static_assert(_countof(DXVA_PicParams_HEVC::RefPicSetStCurrAfter) == DXVA_RPS_COUNT,
"DXVA_PicParams_HEVC::RefPicSetStCurrAfter must have DXVA_RPS_COUNT elements");
static_assert(_countof(DXVA_PicParams_HEVC::RefPicSetLtCurr) == DXVA_RPS_COUNT,
"DXVA_PicParams_HEVC::RefPicSetLtCurr must have DXVA_RPS_COUNT elements");
/* HEVC Quantization Matrix 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_HEVC
{
uint8_t ucScalingLists0[6][16];
uint8_t ucScalingLists1[6][64];
uint8_t ucScalingLists2[6][64];
uint8_t ucScalingLists3[2][64];
uint8_t ucScalingListDCCoefSizeID2[6];
uint8_t ucScalingListDCCoefSizeID3[2];
} DXVA_Qmatrix_HEVC, *LPDXVA_Qmatrix_HEVC;
#pragma pack(pop, BeforeDXVApacking)
/* HEVC 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_HEVC_Short
{
uint32_t BSNALunitDataLocation; /* type 1..5 */
uint32_t SliceBytesInBuffer; /* for off-host parse */
uint16_t wBadSliceChopping; /* for off-host parse */
} DXVA_Slice_HEVC_Short, *LPDXVA_Slice_HEVC_Short;
#pragma pack(pop, BeforeDXVApacking)
#pragma pack(push, BeforeDXVApacking, 1)
typedef struct _DXVA_Status_HEVC {
uint16_t StatusReportFeedbackNumber;
DXVA_PicEntry_HEVC CurrPic;
uint8_t bBufType;
uint8_t bStatus;
uint8_t bReserved8Bits;
uint16_t wNumMbsAffected;
} DXVA_Status_HEVC, *LPDXVA_Status_HEVC;
#pragma pack(pop, BeforeDXVApacking)
DXVA_PicParams_HEVC
d3d12_video_decoder_dxva_picparams_from_pipe_picparams_hevc(struct d3d12_video_decoder *pD3D12Dec,
pipe_video_profile profile,
pipe_h265_picture_desc * pipeDesc);
void
d3d12_video_decoder_get_frame_info_hevc(
struct d3d12_video_decoder *pD3D12Dec, uint32_t *pWidth, uint32_t *pHeight, uint16_t *pMaxDPB);
void
d3d12_video_decoder_prepare_current_frame_references_hevc(struct d3d12_video_decoder *pD3D12Dec,
ID3D12Resource * pTexture2D,
uint32_t subresourceIndex);
void
d3d12_video_decoder_dxva_qmatrix_from_pipe_picparams_hevc(pipe_h265_picture_desc *pPipeDesc,
DXVA_Qmatrix_HEVC & outMatrixBuffer,
bool &outScalingListEnabled);
void
d3d12_video_decoder_refresh_dpb_active_references_hevc(struct d3d12_video_decoder *pD3D12Dec);
bool
d3d12_video_decoder_get_next_slice_size_and_offset_hevc(std::vector<uint8_t> &buf,
unsigned int bufferOffset,
uint32_t & outSliceSize,
uint32_t & outSliceOffset);
uint
d3d12_video_decoder_get_slice_count_hevc(std::vector<uint8_t> &buf);
void
d3d12_video_decoder_prepare_dxva_slices_control_hevc(struct d3d12_video_decoder * pD3D12Dec,
std::vector<uint8_t> &vecOutSliceControlBuffers,
struct pipe_h265_picture_desc* picture_hevc);
void
d3d12_video_decoder_log_pic_params_hevc(DXVA_PicParams_HEVC * pPicParams);
#endif