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