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Diffstat (limited to 'codegen/vulkan/include/vk_video/vulkan_video_codec_h264std_decode.h')
| -rw-r--r-- | codegen/vulkan/include/vk_video/vulkan_video_codec_h264std_decode.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/codegen/vulkan/include/vk_video/vulkan_video_codec_h264std_decode.h b/codegen/vulkan/include/vk_video/vulkan_video_codec_h264std_decode.h new file mode 100644 index 00000000..cb0d1df5 --- /dev/null +++ b/codegen/vulkan/include/vk_video/vulkan_video_codec_h264std_decode.h @@ -0,0 +1,97 @@ +/* +** 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_ |