/*
** Copyright (c) 2019-2021 The Khronos Group Inc.
**
** SPDX-License-Identifier: Apache-2.0
*/

#ifndef VULKAN_VIDEO_CODEC_H265STD_ENCODE_H_
#define VULKAN_VIDEO_CODEC_H265STD_ENCODE_H_ 1

#ifdef __cplusplus
extern "C" {
#endif

#include "vk_video/vulkan_video_codec_h265std.h"

// *************************************************
// Video h265 Encode related parameters:
// *************************************************

#define STD_VIDEO_ENCODE_H265_LUMA_LIST_SIZE   15
#define STD_VIDEO_ENCODE_H265_CHROMA_LIST_SIZE 15
#define STD_VIDEO_ENCODE_H265_CHROMA_LISTS_NUM  2

typedef struct StdVideoEncodeH265SliceHeaderFlags {
    uint32_t first_slice_segment_in_pic_flag : 1;
    uint32_t no_output_of_prior_pics_flag : 1;
    uint32_t dependent_slice_segment_flag : 1;
    uint32_t short_term_ref_pic_set_sps_flag : 1;
    uint32_t slice_temporal_mvp_enable_flag : 1;
    uint32_t slice_sao_luma_flag : 1;
    uint32_t slice_sao_chroma_flag : 1;
    uint32_t num_ref_idx_active_override_flag : 1;
    uint32_t mvd_l1_zero_flag : 1;
    uint32_t cabac_init_flag : 1;
    uint32_t slice_deblocking_filter_disable_flag : 1;
    uint32_t collocated_from_l0_flag : 1;
    uint32_t slice_loop_filter_across_slices_enabled_flag : 1;
    uint32_t bLastSliceInPic : 1;
    uint32_t reservedBits : 18;
    uint16_t luma_weight_l0_flag;   // bit 0 - num_ref_idx_l0_active_minus1
    uint16_t chroma_weight_l0_flag; // bit 0 - num_ref_idx_l0_active_minus1
    uint16_t luma_weight_l1_flag;   // bit 0 - num_ref_idx_l1_active_minus1
    uint16_t chroma_weight_l1_flag; // bit 0 - num_ref_idx_l1_active_minus1
} StdVideoEncodeH265SliceHeaderFlags;

typedef struct StdVideoEncodeH265SliceHeader {
    StdVideoH265SliceType              slice_type;
    uint8_t                            slice_pic_parameter_set_id;
    uint8_t                            num_short_term_ref_pic_sets;
    uint32_t                           slice_segment_address;
    uint8_t                            short_term_ref_pic_set_idx;
    uint8_t                            num_long_term_sps;
    uint8_t                            num_long_term_pics;
    uint8_t                            collocated_ref_idx;
    uint8_t                            num_ref_idx_l0_active_minus1; // [0, 14]
    uint8_t                            num_ref_idx_l1_active_minus1; // [0, 14]
    uint8_t                            luma_log2_weight_denom;       // [0, 7]
    int8_t                             delta_chroma_log2_weight_denom;
    int8_t                             delta_luma_weight_l0[STD_VIDEO_ENCODE_H265_LUMA_LIST_SIZE];
    int8_t                             luma_offset_l0[STD_VIDEO_ENCODE_H265_LUMA_LIST_SIZE];
    int8_t                             delta_chroma_weight_l0[STD_VIDEO_ENCODE_H265_CHROMA_LIST_SIZE][STD_VIDEO_ENCODE_H265_CHROMA_LISTS_NUM];
    int8_t                             delta_chroma_offset_l0[STD_VIDEO_ENCODE_H265_CHROMA_LIST_SIZE][STD_VIDEO_ENCODE_H265_CHROMA_LISTS_NUM];
    int8_t                             delta_luma_weight_l1[STD_VIDEO_ENCODE_H265_LUMA_LIST_SIZE];
    int8_t                             luma_offset_l1[STD_VIDEO_ENCODE_H265_LUMA_LIST_SIZE];
    int8_t                             delta_chroma_weight_l1[STD_VIDEO_ENCODE_H265_CHROMA_LIST_SIZE][STD_VIDEO_ENCODE_H265_CHROMA_LISTS_NUM];
    int8_t                             delta_chroma_offset_l1[STD_VIDEO_ENCODE_H265_CHROMA_LIST_SIZE][STD_VIDEO_ENCODE_H265_CHROMA_LISTS_NUM];
    uint8_t                            MaxNumMergeCand;
    int8_t                             slice_qp_delta;
    int8_t                             slice_cb_qp_offset;         // [-12, 12]
    int8_t                             slice_cr_qp_offset;         // [-12, 12]
    int8_t                             slice_beta_offset_div2;    // [-6, 6]
    int8_t                             slice_tc_offset_div2;       // [-6, 6]
    int8_t                             slice_act_y_qp_offset;
    int8_t                             slice_act_cb_qp_offset;
    int8_t                             slice_act_cr_qp_offset;
    StdVideoEncodeH265SliceHeaderFlags flags;
} StdVideoEncodeH265SliceHeader;

typedef struct StdVideoEncodeH265ReferenceModificationFlags {
    uint32_t ref_pic_list_modification_flag_l0 : 1;
    uint32_t ref_pic_list_modification_flag_l1 : 1;
} StdVideoEncodeH265ReferenceModificationFlags;

typedef struct StdVideoEncodeH265ReferenceModifications {
    StdVideoEncodeH265ReferenceModificationFlags flags;
    uint8_t                                      referenceList0ModificationsCount; // num_ref_idx_l0_active_minus1
    uint8_t*                                     pReferenceList0Modifications;     // list_entry_l0
    uint8_t                                      referenceList1ModificationsCount; // num_ref_idx_l1_active_minus1
    uint8_t*                                     pReferenceList1Modifications;     // list_entry_l1
} StdVideoEncodeH265ReferenceModifications;

typedef struct StdVideoEncodeH265PictureInfoFlags {
    uint32_t is_reference_flag : 1;
    uint32_t IrapPicFlag : 1;
    uint32_t long_term_flag : 1;
} StdVideoEncodeH265PictureInfoFlags;

typedef struct StdVideoEncodeH265PictureInfo {
    StdVideoH265PictureType            PictureType;
    uint8_t                            sps_video_parameter_set_id;
    uint8_t                            pps_seq_parameter_set_id;
    int32_t                            PicOrderCntVal;
    uint8_t                            TemporalId;
    StdVideoEncodeH265PictureInfoFlags flags;
} StdVideoEncodeH265PictureInfo;

typedef struct StdVideoEncodeH265ReferenceInfoFlags {
    uint32_t is_long_term : 1;
    uint32_t isUsedFlag : 1;
} StdVideoEncodeH265ReferenceInfoFlags;

typedef struct StdVideoEncodeH265ReferenceInfo {
    int32_t                              PicOrderCntVal;
    uint8_t                              TemporalId;
    StdVideoEncodeH265ReferenceInfoFlags flags;
} StdVideoEncodeH265ReferenceInfo;

#ifdef __cplusplus
}
#endif

#endif // VULKAN_VIDEO_CODEC_H265STD_ENCODE_H_