| /* |
| ** Copyright (c) 2019-2020 The Khronos Group Inc. |
| ** |
| ** SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef VULKAN_VIDEO_CODEC_H264STD_DECODE_H_ |
| #define VULKAN_VIDEO_CODEC_H264STD_DECODE_H_ 1 |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include "vk_video/vulkan_video_codec_h264std.h" |
| |
| // ************************************************* |
| // Video H.264 Decode related parameters: |
| // ************************************************* |
| |
| #define STD_VIDEO_DECODE_H264_MVC_REF_LIST_SIZE 15 |
| |
| typedef enum StdVideoDecodeH264FieldOrderCount { |
| STD_VIDEO_DECODE_H264_FIELD_ORDER_COUNT_TOP = 0, |
| STD_VIDEO_DECODE_H264_FIELD_ORDER_COUNT_BOTTOM = 1, |
| STD_VIDEO_DECODE_H264_FIELD_ORDER_COUNT_LIST_SIZE = 2, |
| STD_VIDEO_DECODE_H264_FIELD_ORDER_COUNT_INVALID = 0x7FFFFFFF |
| } StdVideoDecodeH264FieldOrderCnt; |
| |
| typedef struct StdVideoDecodeH264PictureInfoFlags { |
| uint32_t field_pic_flag : 1; // Is field picture |
| uint32_t is_intra : 1; // Is intra picture |
| uint32_t IdrPicFlag : 1; // instantaneous decoding refresh (IDR) picture |
| uint32_t bottom_field_flag : 1; // bottom (true) or top (false) field if field_pic_flag is set. |
| uint32_t is_reference : 1; // This only applies to picture info, and not to the DPB lists. |
| uint32_t complementary_field_pair : 1; // complementary field pair, complementary non-reference field pair, complementary reference field pair |
| } StdVideoDecodeH264PictureInfoFlags; |
| |
| typedef struct StdVideoDecodeH264PictureInfo { |
| uint8_t seq_parameter_set_id; // Selecting SPS from the Picture Parameters |
| uint8_t pic_parameter_set_id; // Selecting PPS from the Picture Parameters and the SPS |
| uint16_t reserved; // for structure members 32-bit packing/alignment |
| uint16_t frame_num; // 7.4.3 Slice header semantics |
| uint16_t idr_pic_id; // 7.4.3 Slice header semantics |
| // PicOrderCnt is based on TopFieldOrderCnt and BottomFieldOrderCnt. See 8.2.1 Decoding process for picture order count type 0 - 2 |
| int32_t PicOrderCnt[STD_VIDEO_DECODE_H264_FIELD_ORDER_COUNT_LIST_SIZE]; // TopFieldOrderCnt and BottomFieldOrderCnt fields. |
| StdVideoDecodeH264PictureInfoFlags flags; |
| } StdVideoDecodeH264PictureInfo; |
| |
| typedef struct StdVideoDecodeH264ReferenceInfoFlags { |
| uint32_t top_field_flag : 1; // Reference is used for top field reference. |
| uint32_t bottom_field_flag : 1; // Reference is used for bottom field reference. |
| uint32_t is_long_term : 1; // this is a long term reference |
| uint32_t is_non_existing : 1; // Must be handled in accordance with 8.2.5.2: Decoding process for gaps in frame_num |
| } StdVideoDecodeH264ReferenceInfoFlags; |
| |
| typedef struct StdVideoDecodeH264ReferenceInfo { |
| // FrameNum = is_long_term ? long_term_frame_idx : frame_num |
| uint16_t FrameNum; // 7.4.3.3 Decoded reference picture marking semantics |
| uint16_t reserved; // for structure members 32-bit packing/alignment |
| int32_t PicOrderCnt[2]; // TopFieldOrderCnt and BottomFieldOrderCnt fields. |
| StdVideoDecodeH264ReferenceInfoFlags flags; |
| } StdVideoDecodeH264ReferenceInfo; |
| |
| typedef struct StdVideoDecodeH264MvcElementFlags { |
| uint32_t non_idr : 1; |
| uint32_t anchor_pic : 1; |
| uint32_t inter_view : 1; |
| } StdVideoDecodeH264MvcElementFlags; |
| |
| typedef struct StdVideoDecodeH264MvcElement { |
| StdVideoDecodeH264MvcElementFlags flags; |
| uint16_t viewOrderIndex; |
| uint16_t viewId; |
| uint16_t temporalId; // move out? |
| uint16_t priorityId; // move out? |
| uint16_t numOfAnchorRefsInL0; |
| uint16_t viewIdOfAnchorRefsInL0[STD_VIDEO_DECODE_H264_MVC_REF_LIST_SIZE]; |
| uint16_t numOfAnchorRefsInL1; |
| uint16_t viewIdOfAnchorRefsInL1[STD_VIDEO_DECODE_H264_MVC_REF_LIST_SIZE]; |
| uint16_t numOfNonAnchorRefsInL0; |
| uint16_t viewIdOfNonAnchorRefsInL0[STD_VIDEO_DECODE_H264_MVC_REF_LIST_SIZE]; |
| uint16_t numOfNonAnchorRefsInL1; |
| uint16_t viewIdOfNonAnchorRefsInL1[STD_VIDEO_DECODE_H264_MVC_REF_LIST_SIZE]; |
| } StdVideoDecodeH264MvcElement; |
| |
| typedef struct StdVideoDecodeH264Mvc { |
| uint32_t viewId0; |
| uint32_t mvcElementCount; |
| StdVideoDecodeH264MvcElement* pMvcElements; |
| } StdVideoDecodeH264Mvc; |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // VULKAN_VIDEO_CODEC_H264STD_DECODE_H_ |