vulkan/include: import the video codec headers.

I'd like to allow mesa builds with beta headers enabled,
this requires importing these.

v2: add video headers to khronos update

Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13685>

7 files changed, 1080 insertions, 0 deletions

diff --git a/include/vk_video/vulkan_video_codec_h264std.h b/include/vk_video/vulkan_video_codec_h264std.h
new file mode 100644
index 00000000000..3338fe14219
--- /dev/null
+++ b/include/vk_video/vulkan_video_codec_h264std.h
@@ -0,0 +1,312 @@
+/*
+** Copyright (c) 2019-2021 The Khronos Group Inc.
+**
+** SPDX-License-Identifier: Apache-2.0
+*/
+
+#ifndef VULKAN_VIDEO_CODEC_H264STD_H_
+#define VULKAN_VIDEO_CODEC_H264STD_H_ 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "vk_video/vulkan_video_codecs_common.h"
+
+// Vulkan 0.9 provisional Vulkan video H.264 encode and decode std specification version number
+#define VK_STD_VULKAN_VIDEO_CODEC_H264_API_VERSION_0_9_5 VK_MAKE_VIDEO_STD_VERSION(0, 9, 5) // Patch version should always be set to 0
+
+// Format must be in the form XX.XX where the first two digits are the major and the second two, the minor.
+#define VK_STD_VULKAN_VIDEO_CODEC_H264_SPEC_VERSION   VK_STD_VULKAN_VIDEO_CODEC_H264_API_VERSION_0_9_5
+#define VK_STD_VULKAN_VIDEO_CODEC_H264_EXTENSION_NAME "VK_STD_vulkan_video_codec_h264"
+
+// *************************************************
+// Video H.264 common definitions:
+// *************************************************
+
+#define STD_VIDEO_H264_CPB_CNT_LIST_SIZE 32
+#define STD_VIDEO_H264_SCALING_LIST_4X4_NUM_LISTS 6
+#define STD_VIDEO_H264_SCALING_LIST_4X4_NUM_ELEMENTS 16
+#define STD_VIDEO_H264_SCALING_LIST_8X8_NUM_LISTS 2
+#define STD_VIDEO_H264_SCALING_LIST_8X8_NUM_ELEMENTS 64
+
+typedef enum StdVideoH264ChromaFormatIdc {
+    STD_VIDEO_H264_CHROMA_FORMAT_IDC_MONOCHROME  = 0,
+    STD_VIDEO_H264_CHROMA_FORMAT_IDC_420         = 1,
+    STD_VIDEO_H264_CHROMA_FORMAT_IDC_422         = 2,
+    STD_VIDEO_H264_CHROMA_FORMAT_IDC_444         = 3,
+    STD_VIDEO_H264_CHROMA_FORMAT_IDC_INVALID     = 0x7FFFFFFF
+} StdVideoH264ChromaFormatIdc;
+
+typedef enum StdVideoH264ProfileIdc {
+    STD_VIDEO_H264_PROFILE_IDC_BASELINE             = 66, /* Only constrained baseline is supported */
+    STD_VIDEO_H264_PROFILE_IDC_MAIN                 = 77,
+    STD_VIDEO_H264_PROFILE_IDC_HIGH                 = 100,
+    STD_VIDEO_H264_PROFILE_IDC_HIGH_444_PREDICTIVE  = 244,
+    STD_VIDEO_H264_PROFILE_IDC_INVALID              = 0x7FFFFFFF
+} StdVideoH264ProfileIdc;
+
+typedef enum StdVideoH264Level {
+    STD_VIDEO_H264_LEVEL_1_0 = 0,
+    STD_VIDEO_H264_LEVEL_1_1 = 1,
+    STD_VIDEO_H264_LEVEL_1_2 = 2,
+    STD_VIDEO_H264_LEVEL_1_3 = 3,
+    STD_VIDEO_H264_LEVEL_2_0 = 4,
+    STD_VIDEO_H264_LEVEL_2_1 = 5,
+    STD_VIDEO_H264_LEVEL_2_2 = 6,
+    STD_VIDEO_H264_LEVEL_3_0 = 7,
+    STD_VIDEO_H264_LEVEL_3_1 = 8,
+    STD_VIDEO_H264_LEVEL_3_2 = 9,
+    STD_VIDEO_H264_LEVEL_4_0 = 10,
+    STD_VIDEO_H264_LEVEL_4_1 = 11,
+    STD_VIDEO_H264_LEVEL_4_2 = 12,
+    STD_VIDEO_H264_LEVEL_5_0 = 13,
+    STD_VIDEO_H264_LEVEL_5_1 = 14,
+    STD_VIDEO_H264_LEVEL_5_2 = 15,
+    STD_VIDEO_H264_LEVEL_6_0 = 16,
+    STD_VIDEO_H264_LEVEL_6_1 = 17,
+    STD_VIDEO_H264_LEVEL_6_2 = 18,
+    STD_VIDEO_H264_LEVEL_INVALID = 0x7FFFFFFF
+} StdVideoH264Level;
+
+typedef enum StdVideoH264PocType {
+    STD_VIDEO_H264_POC_TYPE_0 = 0,
+    STD_VIDEO_H264_POC_TYPE_1 = 1,
+    STD_VIDEO_H264_POC_TYPE_2 = 2,
+    STD_VIDEO_H264_POC_TYPE_INVALID = 0x7FFFFFFF
+} StdVideoH264PocType;
+
+typedef enum StdVideoH264AspectRatioIdc {
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_UNSPECIFIED = 0,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_SQUARE = 1,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_12_11 = 2,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_10_11 = 3,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_16_11 = 4,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_40_33 = 5,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_24_11 = 6,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_20_11 = 7,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_32_11 = 8,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_80_33 = 9,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_18_11 = 10,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_15_11 = 11,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_64_33 = 12,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_160_99 = 13,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_4_3 = 14,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_3_2 = 15,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_2_1 = 16,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_EXTENDED_SAR = 255,
+    STD_VIDEO_H264_ASPECT_RATIO_IDC_INVALID = 0x7FFFFFFF
+} StdVideoH264AspectRatioIdc;
+
+typedef enum StdVideoH264WeightedBipredIdc {
+    STD_VIDEO_H264_WEIGHTED_BIPRED_IDC_DEFAULT  = 0,
+    STD_VIDEO_H264_WEIGHTED_BIPRED_IDC_EXPLICIT = 1,
+    STD_VIDEO_H264_WEIGHTED_BIPRED_IDC_IMPLICIT = 2,
+    STD_VIDEO_H264_WEIGHTED_BIPRED_IDC_INVALID = 0x7FFFFFFF
+} StdVideoH264WeightedBipredIdc;
+
+typedef enum StdVideoH264ModificationOfPicNumsIdc {
+    STD_VIDEO_H264_MODIFICATION_OF_PIC_NUMS_IDC_SHORT_TERM_SUBTRACT = 0,
+    STD_VIDEO_H264_MODIFICATION_OF_PIC_NUMS_IDC_SHORT_TERM_ADD = 1,
+    STD_VIDEO_H264_MODIFICATION_OF_PIC_NUMS_IDC_LONG_TERM = 2,
+    STD_VIDEO_H264_MODIFICATION_OF_PIC_NUMS_IDC_END = 3,
+    STD_VIDEO_H264_MODIFICATION_OF_PIC_NUMS_IDC_INVALID = 0x7FFFFFFF
+} StdVideoH264ModificationOfPicNumsIdc;
+
+typedef enum StdVideoH264MemMgmtControlOp {
+    STD_VIDEO_H264_MEM_MGMT_CONTROL_OP_END = 0,
+    STD_VIDEO_H264_MEM_MGMT_CONTROL_OP_UNMARK_SHORT_TERM = 1,
+    STD_VIDEO_H264_MEM_MGMT_CONTROL_OP_UNMARK_LONG_TERM = 2,
+    STD_VIDEO_H264_MEM_MGMT_CONTROL_OP_MARK_LONG_TERM = 3,
+    STD_VIDEO_H264_MEM_MGMT_CONTROL_OP_SET_MAX_LONG_TERM_INDEX = 4,
+    STD_VIDEO_H264_MEM_MGMT_CONTROL_OP_UNMARK_ALL = 5,
+    STD_VIDEO_H264_MEM_MGMT_CONTROL_OP_MARK_CURRENT_AS_LONG_TERM = 6,
+    STD_VIDEO_H264_MEM_MGMT_CONTROL_OP_INVALID = 0x7FFFFFFF
+} StdVideoH264MemMgmtControlOp;
+
+typedef enum StdVideoH264CabacInitIdc {
+    STD_VIDEO_H264_CABAC_INIT_IDC_0 = 0,
+    STD_VIDEO_H264_CABAC_INIT_IDC_1 = 1,
+    STD_VIDEO_H264_CABAC_INIT_IDC_2 = 2,
+    STD_VIDEO_H264_CABAC_INIT_IDC_INVALID = 0x7FFFFFFF
+} StdVideoH264CabacInitIdc;
+
+typedef enum StdVideoH264DisableDeblockingFilterIdc {
+    STD_VIDEO_H264_DISABLE_DEBLOCKING_FILTER_IDC_DISABLED = 0,
+    STD_VIDEO_H264_DISABLE_DEBLOCKING_FILTER_IDC_ENABLED = 1,
+    STD_VIDEO_H264_DISABLE_DEBLOCKING_FILTER_IDC_PARTIAL = 2,
+    STD_VIDEO_H264_DISABLE_DEBLOCKING_FILTER_IDC_INVALID = 0x7FFFFFFF
+} StdVideoH264DisableDeblockingFilterIdc;
+
+typedef enum StdVideoH264SliceType {
+    STD_VIDEO_H264_SLICE_TYPE_P  = 0,
+    STD_VIDEO_H264_SLICE_TYPE_B  = 1,
+    STD_VIDEO_H264_SLICE_TYPE_I  = 2,
+    // reserved STD_VIDEO_H264_SLICE_TYPE_SP = 3,
+    // reserved STD_VIDEO_H264_SLICE_TYPE_SI = 4,
+    STD_VIDEO_H264_SLICE_TYPE_INVALID = 0x7FFFFFFF
+} StdVideoH264SliceType;
+
+typedef enum StdVideoH264PictureType {
+    STD_VIDEO_H264_PICTURE_TYPE_P   = 0,
+    STD_VIDEO_H264_PICTURE_TYPE_B   = 1,
+    STD_VIDEO_H264_PICTURE_TYPE_I   = 2,
+    // reserved STD_VIDEO_H264_PICTURE_TYPE_SP  = 3,
+    // reserved STD_VIDEO_H264_PICTURE_TYPE_SI  = 4,
+    STD_VIDEO_H264_PICTURE_TYPE_IDR = 5,
+    STD_VIDEO_H264_PICTURE_TYPE_INVALID = 0x7FFFFFFF
+} StdVideoH264PictureType;
+
+typedef enum StdVideoH264NonVclNaluType {
+    STD_VIDEO_H264_NON_VCL_NALU_TYPE_SPS = 0,
+    STD_VIDEO_H264_NON_VCL_NALU_TYPE_PPS = 1,
+    STD_VIDEO_H264_NON_VCL_NALU_TYPE_AUD = 2,
+    STD_VIDEO_H264_NON_VCL_NALU_TYPE_PREFIX = 3,
+    STD_VIDEO_H264_NON_VCL_NALU_TYPE_END_OF_SEQUENCE = 4,
+    STD_VIDEO_H264_NON_VCL_NALU_TYPE_END_OF_STREAM = 5,
+    STD_VIDEO_H264_NON_VCL_NALU_TYPE_PRECODED = 6,
+    STD_VIDEO_H264_NON_VCL_NALU_TYPE_INVALID = 0x7FFFFFFF
+} StdVideoH264NonVclNaluType;
+
+typedef struct StdVideoH264SpsVuiFlags {
+    uint32_t aspect_ratio_info_present_flag : 1;
+    uint32_t overscan_info_present_flag : 1;
+    uint32_t overscan_appropriate_flag : 1;
+    uint32_t video_signal_type_present_flag : 1;
+    uint32_t video_full_range_flag : 1;
+    uint32_t color_description_present_flag : 1;
+    uint32_t chroma_loc_info_present_flag : 1;
+    uint32_t timing_info_present_flag : 1;
+    uint32_t fixed_frame_rate_flag : 1;
+    uint32_t bitstream_restriction_flag : 1;
+    uint32_t nal_hrd_parameters_present_flag : 1;
+    uint32_t vcl_hrd_parameters_present_flag : 1;
+} StdVideoH264SpsVuiFlags;
+
+typedef struct StdVideoH264HrdParameters { // hrd_parameters
+    uint8_t                    cpb_cnt_minus1;
+    uint8_t                    bit_rate_scale;
+    uint8_t                    cpb_size_scale;
+    uint32_t                   bit_rate_value_minus1[STD_VIDEO_H264_CPB_CNT_LIST_SIZE]; // cpb_cnt_minus1 number of valid elements
+    uint32_t                   cpb_size_value_minus1[STD_VIDEO_H264_CPB_CNT_LIST_SIZE]; // cpb_cnt_minus1 number of valid elements
+    uint8_t                    cbr_flag[STD_VIDEO_H264_CPB_CNT_LIST_SIZE];              // cpb_cnt_minus1 number of valid elements
+    uint32_t                   initial_cpb_removal_delay_length_minus1;
+    uint32_t                   cpb_removal_delay_length_minus1;
+    uint32_t                   dpb_output_delay_length_minus1;
+    uint32_t                   time_offset_length;
+} StdVideoH264HrdParameters;
+
+typedef struct StdVideoH264SequenceParameterSetVui {
+    StdVideoH264AspectRatioIdc  aspect_ratio_idc;
+    uint16_t                    sar_width;
+    uint16_t                    sar_height;
+    uint8_t                     video_format;
+    uint8_t                     color_primaries;
+    uint8_t                     transfer_characteristics;
+    uint8_t                     matrix_coefficients;
+    uint32_t                    num_units_in_tick;
+    uint32_t                    time_scale;
+    StdVideoH264HrdParameters*  pHrdParameters;    // must be a valid ptr to hrd_parameters, if nal_hrd_parameters_present_flag or vcl_hrd_parameters_present_flag are set
+    uint8_t                     max_num_reorder_frames;
+    uint8_t                     max_dec_frame_buffering;
+    StdVideoH264SpsVuiFlags     flags;
+} StdVideoH264SequenceParameterSetVui;
+
+typedef struct StdVideoH264SpsFlags {
+    uint32_t constraint_set0_flag : 1;
+    uint32_t constraint_set1_flag : 1;
+    uint32_t constraint_set2_flag : 1;
+    uint32_t constraint_set3_flag : 1;
+    uint32_t constraint_set4_flag : 1;
+    uint32_t constraint_set5_flag : 1;
+    uint32_t direct_8x8_inference_flag : 1;
+    uint32_t mb_adaptive_frame_field_flag : 1;
+    uint32_t frame_mbs_only_flag : 1;
+    uint32_t delta_pic_order_always_zero_flag : 1;
+    uint32_t separate_colour_plane_flag : 1;
+    uint32_t gaps_in_frame_num_value_allowed_flag : 1;
+    uint32_t qpprime_y_zero_transform_bypass_flag : 1;
+    uint32_t frame_cropping_flag : 1;
+    uint32_t seq_scaling_matrix_present_flag : 1;
+    uint32_t vui_parameters_present_flag : 1;
+} StdVideoH264SpsFlags;
+
+typedef struct StdVideoH264ScalingLists
+{
+    // scaling_list_present_mask has one bit for each
+    // seq_scaling_list_present_flag[i] for SPS OR
+    // pic_scaling_list_present_flag[i] for PPS,
+    // bit 0 - 5 are for each entry of ScalingList4x4
+    // bit 6 - 7 are for each entry plus 6 for ScalingList8x8
+    uint8_t scaling_list_present_mask;
+    // use_default_scaling_matrix_mask has one bit for each
+    // UseDefaultScalingMatrix4x4Flag[ i ] and
+    // UseDefaultScalingMatrix8x8Flag[ i - 6 ] for SPS OR PPS
+    // bit 0 - 5 are for each entry of ScalingList4x4
+    // bit 6 - 7 are for each entry plus 6 for ScalingList8x8
+    uint8_t use_default_scaling_matrix_mask;
+    uint8_t ScalingList4x4[STD_VIDEO_H264_SCALING_LIST_4X4_NUM_LISTS][STD_VIDEO_H264_SCALING_LIST_4X4_NUM_ELEMENTS];
+    uint8_t ScalingList8x8[STD_VIDEO_H264_SCALING_LIST_8X8_NUM_LISTS][STD_VIDEO_H264_SCALING_LIST_8X8_NUM_ELEMENTS];
+} StdVideoH264ScalingLists;
+
+typedef struct StdVideoH264SequenceParameterSet
+{
+    StdVideoH264ProfileIdc               profile_idc;
+    StdVideoH264Level                    level_idc;
+    uint8_t                              seq_parameter_set_id;
+    StdVideoH264ChromaFormatIdc          chroma_format_idc;
+    uint8_t                              bit_depth_luma_minus8;
+    uint8_t                              bit_depth_chroma_minus8;
+    uint8_t                              log2_max_frame_num_minus4;
+    StdVideoH264PocType                  pic_order_cnt_type;
+    uint8_t                              log2_max_pic_order_cnt_lsb_minus4;
+    int32_t                              offset_for_non_ref_pic;
+    int32_t                              offset_for_top_to_bottom_field;
+    uint8_t                              num_ref_frames_in_pic_order_cnt_cycle;
+    uint8_t                              max_num_ref_frames;
+    uint32_t                             pic_width_in_mbs_minus1;
+    uint32_t                             pic_height_in_map_units_minus1;
+    uint32_t                             frame_crop_left_offset;
+    uint32_t                             frame_crop_right_offset;
+    uint32_t                             frame_crop_top_offset;
+    uint32_t                             frame_crop_bottom_offset;
+    StdVideoH264SpsFlags                 flags;
+    // pOffsetForRefFrame is a pointer representing the offset_for_ref_frame array with num_ref_frames_in_pic_order_cnt_cycle number of elements
+    // If pOffsetForRefFrame has nullptr value, then num_ref_frames_in_pic_order_cnt_cycle must also be "0".
+    int32_t*                             pOffsetForRefFrame;
+    StdVideoH264ScalingLists*            pScalingLists;             // Must be a valid pointer if seq_scaling_matrix_present_flag is set
+    StdVideoH264SequenceParameterSetVui* pSequenceParameterSetVui;  // Must be a valid pointer if StdVideoH264SpsFlags:vui_parameters_present_flag is set
+} StdVideoH264SequenceParameterSet;
+
+typedef struct StdVideoH264PpsFlags {
+    uint32_t transform_8x8_mode_flag : 1;
+    uint32_t redundant_pic_cnt_present_flag : 1;
+    uint32_t constrained_intra_pred_flag : 1;
+    uint32_t deblocking_filter_control_present_flag : 1;
+    uint32_t weighted_bipred_idc_flag : 1;
+    uint32_t weighted_pred_flag : 1;
+    uint32_t pic_order_present_flag : 1;
+    uint32_t entropy_coding_mode_flag : 1;
+    uint32_t pic_scaling_matrix_present_flag : 1;
+} StdVideoH264PpsFlags;
+
+typedef struct StdVideoH264PictureParameterSet
+{
+    uint8_t                       seq_parameter_set_id;
+    uint8_t                       pic_parameter_set_id;
+    uint8_t                       num_ref_idx_l0_default_active_minus1;
+    uint8_t                       num_ref_idx_l1_default_active_minus1;
+    StdVideoH264WeightedBipredIdc weighted_bipred_idc;
+    int8_t                        pic_init_qp_minus26;
+    int8_t                        pic_init_qs_minus26;
+    int8_t                        chroma_qp_index_offset;
+    int8_t                        second_chroma_qp_index_offset;
+    StdVideoH264PpsFlags          flags;
+    StdVideoH264ScalingLists*     pScalingLists; // Must be a valid pointer if  StdVideoH264PpsFlags::pic_scaling_matrix_present_flag is set.
+} StdVideoH264PictureParameterSet;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // VULKAN_VIDEO_CODEC_H264STD_H_
diff --git a/include/vk_video/vulkan_video_codec_h264std_decode.h b/include/vk_video/vulkan_video_codec_h264std_decode.h
new file mode 100644
index 00000000000..6f2d6d7e911
--- /dev/null
+++ b/include/vk_video/vulkan_video_codec_h264std_decode.h
@@ -0,0 +1,96 @@
+/*
+** 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 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_
diff --git a/include/vk_video/vulkan_video_codec_h264std_encode.h b/include/vk_video/vulkan_video_codec_h264std_encode.h
new file mode 100644
index 00000000000..f3a0d3adae8
--- /dev/null
+++ b/include/vk_video/vulkan_video_codec_h264std_encode.h
@@ -0,0 +1,94 @@
+/*
+** Copyright (c) 2019-2021 The Khronos Group Inc.
+**
+** SPDX-License-Identifier: Apache-2.0
+*/
+
+#ifndef VULKAN_VIDEO_CODEC_H264STD_ENCODE_H_
+#define VULKAN_VIDEO_CODEC_H264STD_ENCODE_H_ 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "vk_video/vulkan_video_codec_h264std.h"
+
+// *************************************************
+// Video H.264 Encode related parameters:
+// *************************************************
+
+typedef struct StdVideoEncodeH264SliceHeaderFlags {
+    uint32_t idr_flag : 1;
+    uint32_t is_reference_flag : 1;
+    uint32_t num_ref_idx_active_override_flag : 1;
+    uint32_t no_output_of_prior_pics_flag : 1;
+    uint32_t long_term_reference_flag : 1;
+    uint32_t adaptive_ref_pic_marking_mode_flag : 1;
+    uint32_t no_prior_references_available_flag : 1;
+} StdVideoEncodeH264SliceHeaderFlags;
+
+typedef struct StdVideoEncodeH264PictureInfoFlags {
+    uint32_t idr_flag : 1;
+    uint32_t is_reference_flag : 1;
+    uint32_t long_term_reference_flag : 1;
+} StdVideoEncodeH264PictureInfoFlags;
+
+typedef struct StdVideoEncodeH264RefMgmtFlags {
+    uint32_t ref_pic_list_modification_l0_flag : 1;
+    uint32_t ref_pic_list_modification_l1_flag : 1;
+} StdVideoEncodeH264RefMgmtFlags;
+
+typedef struct StdVideoEncodeH264RefListModEntry {
+    StdVideoH264ModificationOfPicNumsIdc modification_of_pic_nums_idc;
+    uint16_t                             abs_diff_pic_num_minus1;
+    uint16_t                             long_term_pic_num;
+} StdVideoEncodeH264RefListModEntry;
+
+typedef struct StdVideoEncodeH264RefPicMarkingEntry {
+    StdVideoH264MemMgmtControlOp  operation;
+    uint16_t                      difference_of_pic_nums_minus1;
+    uint16_t                      long_term_pic_num;
+    uint16_t                      long_term_frame_idx;
+    uint16_t                      max_long_term_frame_idx_plus1;
+} StdVideoEncodeH264RefPicMarkingEntry;
+
+typedef struct StdVideoEncodeH264RefMemMgmtCtrlOperations {
+    StdVideoEncodeH264RefMgmtFlags        flags;
+    uint8_t                               refList0ModOpCount;
+    StdVideoEncodeH264RefListModEntry*    pRefList0ModOperations;
+    uint8_t                               refList1ModOpCount;
+    StdVideoEncodeH264RefListModEntry*    pRefList1ModOperations;
+    uint8_t                               refPicMarkingOpCount;
+    StdVideoEncodeH264RefPicMarkingEntry* pRefPicMarkingOperations;
+} StdVideoEncodeH264RefMemMgmtCtrlOperations;
+
+typedef struct StdVideoEncodeH264PictureInfo {
+    StdVideoEncodeH264PictureInfoFlags   flags;
+    StdVideoH264PictureType              pictureType;
+    uint32_t                             frameNum;
+    uint32_t                             pictureOrderCount;
+    uint16_t                             long_term_pic_num;
+    uint16_t                             long_term_frame_idx;
+} StdVideoEncodeH264PictureInfo;
+
+typedef struct StdVideoEncodeH264SliceHeader {
+    StdVideoEncodeH264SliceHeaderFlags          flags;
+    StdVideoH264SliceType                       slice_type;
+    uint8_t                                     seq_parameter_set_id;
+    uint8_t                                     pic_parameter_set_id;
+    uint16_t                                    idr_pic_id;
+    uint8_t                                     num_ref_idx_l0_active_minus1;
+    uint8_t                                     num_ref_idx_l1_active_minus1;
+    StdVideoH264CabacInitIdc                    cabac_init_idc;
+    StdVideoH264DisableDeblockingFilterIdc      disable_deblocking_filter_idc;
+    int8_t                                      slice_alpha_c0_offset_div2;
+    int8_t                                      slice_beta_offset_div2;
+    StdVideoEncodeH264RefMemMgmtCtrlOperations* pMemMgmtCtrlOperations;
+} StdVideoEncodeH264SliceHeader;
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // VULKAN_VIDEO_CODEC_H264STD_ENCODE_H_
diff --git a/include/vk_video/vulkan_video_codec_h265std.h b/include/vk_video/vulkan_video_codec_h265std.h
new file mode 100644
index 00000000000..179c6b70213
--- /dev/null
+++ b/include/vk_video/vulkan_video_codec_h265std.h
@@ -0,0 +1,371 @@
+/*
+** Copyright (c) 2019-2021 The Khronos Group Inc.
+**
+** SPDX-License-Identifier: Apache-2.0
+*/
+
+#ifndef VULKAN_VIDEO_CODEC_H265STD_H_
+#define VULKAN_VIDEO_CODEC_H265STD_H_ 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "vk_video/vulkan_video_codecs_common.h"
+
+// Vulkan 0.5 version number WIP
+#define VK_STD_VULKAN_VIDEO_CODEC_H265_API_VERSION_0_9_5 VK_MAKE_VIDEO_STD_VERSION(0, 9, 5) // Patch version should always be set to 0
+
+// Format must be in the form XX.XX where the first two digits are the major and the second two, the minor.
+#define VK_STD_VULKAN_VIDEO_CODEC_H265_SPEC_VERSION   VK_STD_VULKAN_VIDEO_CODEC_H265_API_VERSION_0_9_5
+#define VK_STD_VULKAN_VIDEO_CODEC_H265_EXTENSION_NAME "VK_STD_vulkan_video_codec_h265"
+
+#define STD_VIDEO_H265_CPB_CNT_LIST_SIZE 32
+#define STD_VIDEO_H265_SUBLAYERS_MINUS1_LIST_SIZE 7
+#define STD_VIDEO_H265_SCALING_LIST_4X4_NUM_LISTS 6
+#define STD_VIDEO_H265_SCALING_LIST_4X4_NUM_ELEMENTS 16
+#define STD_VIDEO_H265_SCALING_LIST_8X8_NUM_LISTS 6
+#define STD_VIDEO_H265_SCALING_LIST_8X8_NUM_ELEMENTS 64
+#define STD_VIDEO_H265_SCALING_LIST_16X16_NUM_LISTS 6
+#define STD_VIDEO_H265_SCALING_LIST_16X16_NUM_ELEMENTS 64
+#define STD_VIDEO_H265_SCALING_LIST_32X32_NUM_LISTS 2
+#define STD_VIDEO_H265_SCALING_LIST_32X32_NUM_ELEMENTS 64
+#define STD_VIDEO_H265_CHROMA_QP_OFFSET_LIST_SIZE 6
+#define STD_VIDEO_H265_CHROMA_QP_OFFSET_TILE_COLS_LIST_SIZE 19
+#define STD_VIDEO_H265_CHROMA_QP_OFFSET_TILE_ROWS_LIST_SIZE 21
+#define STD_VIDEO_H265_PREDICTOR_PALETTE_COMPONENTS_LIST_SIZE 3
+#define STD_VIDEO_H265_PREDICTOR_PALETTE_COMP_ENTRIES_LIST_SIZE 128
+
+typedef enum StdVideoH265ChromaFormatIdc {
+    STD_VIDEO_H265_CHROMA_FORMAT_IDC_MONOCHROME  = 0,
+    STD_VIDEO_H265_CHROMA_FORMAT_IDC_420         = 1,
+    STD_VIDEO_H265_CHROMA_FORMAT_IDC_422         = 2,
+    STD_VIDEO_H265_CHROMA_FORMAT_IDC_444         = 3,
+    STD_VIDEO_H265_CHROMA_FORMAT_IDC_INVALID     = 0x7FFFFFFF
+} StdVideoH265ChromaFormatIdc;
+
+typedef enum StdVideoH265ProfileIdc {
+    STD_VIDEO_H265_PROFILE_IDC_MAIN                     = 1,
+    STD_VIDEO_H265_PROFILE_IDC_MAIN_10                  = 2,
+    STD_VIDEO_H265_PROFILE_IDC_MAIN_STILL_PICTURE       = 3,
+    STD_VIDEO_H265_PROFILE_IDC_FORMAT_RANGE_EXTENSIONS  = 4,
+    STD_VIDEO_H265_PROFILE_IDC_SCC_EXTENSIONS           = 9,
+    STD_VIDEO_H265_PROFILE_IDC_INVALID                  = 0x7FFFFFFF
+} StdVideoH265ProfileIdc;
+
+typedef enum StdVideoH265Level {
+    STD_VIDEO_H265_LEVEL_1_0 = 0,
+    STD_VIDEO_H265_LEVEL_2_0 = 1,
+    STD_VIDEO_H265_LEVEL_2_1 = 2,
+    STD_VIDEO_H265_LEVEL_3_0 = 3,
+    STD_VIDEO_H265_LEVEL_3_1 = 4,
+    STD_VIDEO_H265_LEVEL_4_0 = 5,
+    STD_VIDEO_H265_LEVEL_4_1 = 6,
+    STD_VIDEO_H265_LEVEL_5_0 = 7,
+    STD_VIDEO_H265_LEVEL_5_1 = 8,
+    STD_VIDEO_H265_LEVEL_5_2 = 9,
+    STD_VIDEO_H265_LEVEL_6_0 = 10,
+    STD_VIDEO_H265_LEVEL_6_1 = 11,
+    STD_VIDEO_H265_LEVEL_6_2 = 12,
+    STD_VIDEO_H265_LEVEL_INVALID = 0x7FFFFFFF
+} StdVideoH265Level;
+
+typedef enum StdVideoH265SliceType {
+    STD_VIDEO_H265_SLICE_TYPE_B = 0,
+    STD_VIDEO_H265_SLICE_TYPE_P = 1,
+    STD_VIDEO_H265_SLICE_TYPE_I = 2,
+    STD_VIDEO_H265_SLICE_TYPE_INVALID = 0x7FFFFFFF
+} StdVideoH265SliceType;
+
+typedef enum StdVideoH265PictureType {
+    STD_VIDEO_H265_PICTURE_TYPE_P   = 0,
+    STD_VIDEO_H265_PICTURE_TYPE_B   = 1,
+    STD_VIDEO_H265_PICTURE_TYPE_I   = 2,
+    STD_VIDEO_H265_PICTURE_TYPE_IDR = 3,
+    STD_VIDEO_H265_PICTURE_TYPE_INVALID = 0x7FFFFFFF
+} StdVideoH265PictureType;
+
+typedef struct StdVideoH265DecPicBufMgr
+{
+    uint32_t max_latency_increase_plus1[STD_VIDEO_H265_SUBLAYERS_MINUS1_LIST_SIZE];
+    uint8_t  max_dec_pic_buffering_minus1[STD_VIDEO_H265_SUBLAYERS_MINUS1_LIST_SIZE];
+    uint8_t  max_num_reorder_pics[STD_VIDEO_H265_SUBLAYERS_MINUS1_LIST_SIZE];
+} StdVideoH265DecPicBufMgr;
+
+typedef struct StdVideoH265SubLayerHrdParameters { // sub_layer_hrd_parameters
+    uint32_t bit_rate_value_minus1[STD_VIDEO_H265_CPB_CNT_LIST_SIZE];
+    uint32_t cpb_size_value_minus1[STD_VIDEO_H265_CPB_CNT_LIST_SIZE];
+    uint32_t cpb_size_du_value_minus1[STD_VIDEO_H265_CPB_CNT_LIST_SIZE];
+    uint32_t bit_rate_du_value_minus1[STD_VIDEO_H265_CPB_CNT_LIST_SIZE];
+    uint32_t cbr_flag; // each bit represents a range of CpbCounts (bit 0 - cpb_cnt_minus1) per sub-layer
+} StdVideoH265SubLayerHrdParameters;
+
+typedef struct StdVideoH265HrdFlags {
+    uint32_t nal_hrd_parameters_present_flag : 1;
+    uint32_t vcl_hrd_parameters_present_flag : 1;
+    uint32_t sub_pic_hrd_params_present_flag : 1;
+    uint32_t sub_pic_cpb_params_in_pic_timing_sei_flag : 1;
+    uint32_t fixed_pic_rate_general_flag : 8;    // each bit represents a sublayer, bit 0 - vps_max_sub_layers_minus1
+    uint32_t fixed_pic_rate_within_cvs_flag : 8; // each bit represents a sublayer, bit 0 - vps_max_sub_layers_minus1
+    uint32_t low_delay_hrd_flag : 8;             // each bit represents a sublayer, bit 0 - vps_max_sub_layers_minus1
+} StdVideoH265HrdFlags;
+
+typedef struct StdVideoH265HrdParameters {
+    uint8_t                            tick_divisor_minus2;
+    uint8_t                            du_cpb_removal_delay_increment_length_minus1;
+    uint8_t                            dpb_output_delay_du_length_minus1;
+    uint8_t                            bit_rate_scale;
+    uint8_t                            cpb_size_scale;
+    uint8_t                            cpb_size_du_scale;
+    uint8_t                            initial_cpb_removal_delay_length_minus1;
+    uint8_t                            au_cpb_removal_delay_length_minus1;
+    uint8_t                            dpb_output_delay_length_minus1;
+    uint8_t                            cpb_cnt_minus1[STD_VIDEO_H265_SUBLAYERS_MINUS1_LIST_SIZE];
+    uint16_t                           elemental_duration_in_tc_minus1[STD_VIDEO_H265_SUBLAYERS_MINUS1_LIST_SIZE];
+    StdVideoH265SubLayerHrdParameters* pSubLayerHrdParametersNal[STD_VIDEO_H265_SUBLAYERS_MINUS1_LIST_SIZE]; // NAL per layer ptr to sub_layer_hrd_parameters
+    StdVideoH265SubLayerHrdParameters* pSubLayerHrdParametersVcl[STD_VIDEO_H265_SUBLAYERS_MINUS1_LIST_SIZE]; // VCL per layer ptr to sub_layer_hrd_parameters
+    StdVideoH265HrdFlags               flags;
+} StdVideoH265HrdParameters;
+
+typedef struct StdVideoH265VpsFlags {
+    uint32_t vps_temporal_id_nesting_flag : 1;
+    uint32_t vps_sub_layer_ordering_info_present_flag : 1;
+    uint32_t vps_timing_info_present_flag : 1;
+    uint32_t vps_poc_proportional_to_timing_flag : 1;
+} StdVideoH265VpsFlags;
+
+typedef struct StdVideoH265VideoParameterSet
+{
+    uint8_t                      vps_video_parameter_set_id;
+    uint8_t                      vps_max_sub_layers_minus1;
+    uint32_t                     vps_num_units_in_tick;
+    uint32_t                     vps_time_scale;
+    uint32_t                     vps_num_ticks_poc_diff_one_minus1;
+    StdVideoH265DecPicBufMgr*    pDecPicBufMgr;
+    StdVideoH265HrdParameters*   pHrdParameters;
+    StdVideoH265VpsFlags         flags;
+} StdVideoH265VideoParameterSet;
+
+typedef struct StdVideoH265ScalingLists
+{
+    uint8_t ScalingList4x4[STD_VIDEO_H265_SCALING_LIST_4X4_NUM_LISTS][STD_VIDEO_H265_SCALING_LIST_4X4_NUM_ELEMENTS];       // ScalingList[ 0 ][ MatrixID ][ i ] (sizeID = 0)
+    uint8_t ScalingList8x8[STD_VIDEO_H265_SCALING_LIST_8X8_NUM_LISTS][STD_VIDEO_H265_SCALING_LIST_8X8_NUM_ELEMENTS];       // ScalingList[ 1 ][ MatrixID ][ i ] (sizeID = 1)
+    uint8_t ScalingList16x16[STD_VIDEO_H265_SCALING_LIST_16X16_NUM_LISTS][STD_VIDEO_H265_SCALING_LIST_16X16_NUM_ELEMENTS];     // ScalingList[ 2 ][ MatrixID ][ i ] (sizeID = 2)
+    uint8_t ScalingList32x32[STD_VIDEO_H265_SCALING_LIST_32X32_NUM_LISTS][STD_VIDEO_H265_SCALING_LIST_32X32_NUM_ELEMENTS];     // ScalingList[ 3 ][ MatrixID ][ i ] (sizeID = 3)
+    uint8_t ScalingListDCCoef16x16[STD_VIDEO_H265_SCALING_LIST_16X16_NUM_LISTS];   // scaling_list_dc_coef_minus8[ sizeID - 2 ][ matrixID ] + 8, sizeID = 2
+    uint8_t ScalingListDCCoef32x32[STD_VIDEO_H265_SCALING_LIST_32X32_NUM_LISTS];   // scaling_list_dc_coef_minus8[ sizeID - 2 ][ matrixID ] + 8. sizeID = 3
+} StdVideoH265ScalingLists;
+
+typedef struct StdVideoH265SpsVuiFlags {
+    uint32_t aspect_ratio_info_present_flag : 1;
+    uint32_t overscan_info_present_flag : 1;
+    uint32_t overscan_appropriate_flag : 1;
+    uint32_t video_signal_type_present_flag : 1;
+    uint32_t video_full_range_flag : 1;
+    uint32_t colour_description_present_flag : 1;
+    uint32_t chroma_loc_info_present_flag : 1;
+    uint32_t neutral_chroma_indication_flag : 1;
+    uint32_t field_seq_flag : 1;
+    uint32_t frame_field_info_present_flag : 1;
+    uint32_t default_display_window_flag : 1;
+    uint32_t vui_timing_info_present_flag : 1;
+    uint32_t vui_poc_proportional_to_timing_flag : 1;
+    uint32_t vui_hrd_parameters_present_flag : 1;
+    uint32_t bitstream_restriction_flag : 1;
+    uint32_t tiles_fixed_structure_flag : 1;
+    uint32_t motion_vectors_over_pic_boundaries_flag : 1;
+    uint32_t restricted_ref_pic_lists_flag : 1;
+} StdVideoH265SpsVuiFlags;
+
+typedef struct StdVideoH265SequenceParameterSetVui {
+    uint8_t                     aspect_ratio_idc;
+    uint16_t                    sar_width;
+    uint16_t                    sar_height;
+    uint8_t                     video_format;
+    uint8_t                     colour_primaries;
+    uint8_t                     transfer_characteristics;
+    uint8_t                     matrix_coeffs;
+    uint8_t                     chroma_sample_loc_type_top_field;
+    uint8_t                     chroma_sample_loc_type_bottom_field;
+    uint16_t                    def_disp_win_left_offset;
+    uint16_t                    def_disp_win_right_offset;
+    uint16_t                    def_disp_win_top_offset;
+    uint16_t                    def_disp_win_bottom_offset;
+    uint32_t                    vui_num_units_in_tick;
+    uint32_t                    vui_time_scale;
+    uint32_t                    vui_num_ticks_poc_diff_one_minus1;
+    StdVideoH265HrdParameters*  pHrdParameters;
+    uint16_t                    min_spatial_segmentation_idc;
+    uint8_t                     max_bytes_per_pic_denom;
+    uint8_t                     max_bits_per_min_cu_denom;
+    uint8_t                     log2_max_mv_length_horizontal;
+    uint8_t                     log2_max_mv_length_vertical;
+    StdVideoH265SpsVuiFlags     flags;
+} StdVideoH265SequenceParameterSetVui;
+
+typedef struct StdVideoH265PredictorPaletteEntries
+{
+    uint16_t PredictorPaletteEntries[STD_VIDEO_H265_PREDICTOR_PALETTE_COMPONENTS_LIST_SIZE][STD_VIDEO_H265_PREDICTOR_PALETTE_COMP_ENTRIES_LIST_SIZE];
+} StdVideoH265PredictorPaletteEntries;
+
+typedef struct StdVideoH265SpsFlags {
+    uint32_t sps_temporal_id_nesting_flag : 1;
+    uint32_t separate_colour_plane_flag : 1;
+    uint32_t scaling_list_enabled_flag : 1;
+    uint32_t sps_scaling_list_data_present_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_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 vui_parameters_present_flag : 1;
+    uint32_t sps_extension_present_flag : 1;
+    uint32_t sps_range_extension_flag : 1;
+
+    // extension SPS flags, valid when STD_VIDEO_H265_PROFILE_IDC_FORMAT_RANGE_EXTENSIONS is set
+    uint32_t transform_skip_rotation_enabled_flag : 1;
+    uint32_t transform_skip_context_enabled_flag : 1;
+    uint32_t implicit_rdpcm_enabled_flag : 1;
+    uint32_t explicit_rdpcm_enabled_flag : 1;
+    uint32_t extended_precision_processing_flag : 1;
+    uint32_t intra_smoothing_disabled_flag : 1;
+    uint32_t high_precision_offsets_enabled_flag : 1;
+    uint32_t persistent_rice_adaptation_enabled_flag : 1;
+    uint32_t cabac_bypass_alignment_enabled_flag : 1;
+
+    // extension SPS flags, valid when STD_VIDEO_H265_PROFILE_IDC_SCC_EXTENSIONS is set
+    uint32_t sps_curr_pic_ref_enabled_flag : 1;
+    uint32_t palette_mode_enabled_flag : 1;
+    uint32_t sps_palette_predictor_initializer_present_flag : 1;
+    uint32_t intra_boundary_filtering_disabled_flag : 1;
+} StdVideoH265SpsFlags;
+
+typedef struct StdVideoH265SequenceParameterSet
+{
+    StdVideoH265ProfileIdc               profile_idc;
+    StdVideoH265Level                    level_idc;
+    uint32_t                             pic_width_in_luma_samples;
+    uint32_t                             pic_height_in_luma_samples;
+    uint8_t                              sps_video_parameter_set_id;
+    uint8_t                              sps_max_sub_layers_minus1;
+    uint8_t                              sps_seq_parameter_set_id;
+    uint8_t                              chroma_format_idc;
+    uint8_t                              bit_depth_luma_minus8;
+    uint8_t                              bit_depth_chroma_minus8;
+    uint8_t                              log2_max_pic_order_cnt_lsb_minus4;
+    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_luma_transform_block_size_minus2;
+    uint8_t                              log2_diff_max_min_luma_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                              pcm_sample_bit_depth_luma_minus1;
+    uint8_t                              pcm_sample_bit_depth_chroma_minus1;
+    uint8_t                              log2_min_pcm_luma_coding_block_size_minus3;
+    uint8_t                              log2_diff_max_min_pcm_luma_coding_block_size;
+    uint32_t                             conf_win_left_offset;
+    uint32_t                             conf_win_right_offset;
+    uint32_t                             conf_win_top_offset;
+    uint32_t                             conf_win_bottom_offset;
+    StdVideoH265DecPicBufMgr*            pDecPicBufMgr;
+    StdVideoH265SpsFlags                 flags;
+    StdVideoH265ScalingLists*            pScalingLists;             // Must be a valid pointer if sps_scaling_list_data_present_flag is set
+    StdVideoH265SequenceParameterSetVui* pSequenceParameterSetVui;  // Must be a valid pointer if StdVideoH265SpsFlags:vui_parameters_present_flag is set palette_max_size;
+
+    // extension SPS flags, valid when STD_VIDEO_H265_PROFILE_IDC_SCC_EXTENSIONS is set
+    uint8_t                              palette_max_size;
+    uint8_t                              delta_palette_max_predictor_size;
+    uint8_t                              motion_vector_resolution_control_idc;
+    uint8_t                              sps_num_palette_predictor_initializer_minus1;
+    StdVideoH265PredictorPaletteEntries* pPredictorPaletteEntries;  // Must be a valid pointer if sps_palette_predictor_initializer_present_flag is set
+} StdVideoH265SequenceParameterSet;
+
+
+typedef struct StdVideoH265PpsFlags {
+    uint32_t dependent_slice_segments_enabled_flag : 1;
+    uint32_t output_flag_present_flag : 1;
+    uint32_t sign_data_hiding_enabled_flag : 1;
+    uint32_t cabac_init_present_flag : 1;
+    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_control_present_flag : 1;
+    uint32_t deblocking_filter_override_enabled_flag : 1;
+    uint32_t pps_deblocking_filter_disabled_flag : 1;
+    uint32_t pps_scaling_list_data_present_flag : 1;
+    uint32_t lists_modification_present_flag : 1;
+    uint32_t slice_segment_header_extension_present_flag : 1;
+    uint32_t pps_extension_present_flag : 1;
+
+    // extension PPS flags, valid when STD_VIDEO_H265_PROFILE_IDC_FORMAT_RANGE_EXTENSIONS is set
+    uint32_t cross_component_prediction_enabled_flag : 1;
+    uint32_t chroma_qp_offset_list_enabled_flag : 1;
+
+    // extension PPS flags, valid when STD_VIDEO_H265_PROFILE_IDC_SCC_EXTENSIONS is set
+    uint32_t pps_curr_pic_ref_enabled_flag : 1;
+    uint32_t residual_adaptive_colour_transform_enabled_flag : 1;
+    uint32_t pps_slice_act_qp_offsets_present_flag : 1;
+    uint32_t pps_palette_predictor_initializer_present_flag : 1;
+    uint32_t monochrome_palette_flag : 1;
+    uint32_t pps_range_extension_flag : 1;
+} StdVideoH265PpsFlags;
+
+typedef struct StdVideoH265PictureParameterSet
+{
+    uint8_t                              pps_pic_parameter_set_id;
+    uint8_t                              pps_seq_parameter_set_id;
+    uint8_t                              num_extra_slice_header_bits;
+    uint8_t                              num_ref_idx_l0_default_active_minus1;
+    uint8_t                              num_ref_idx_l1_default_active_minus1;
+    int8_t                               init_qp_minus26;
+    uint8_t                              diff_cu_qp_delta_depth;
+    int8_t                               pps_cb_qp_offset;
+    int8_t                               pps_cr_qp_offset;
+    uint8_t                              num_tile_columns_minus1;
+    uint8_t                              num_tile_rows_minus1;
+    uint16_t                             column_width_minus1[STD_VIDEO_H265_CHROMA_QP_OFFSET_TILE_COLS_LIST_SIZE];
+    uint16_t                             row_height_minus1[STD_VIDEO_H265_CHROMA_QP_OFFSET_TILE_ROWS_LIST_SIZE];
+    int8_t                               pps_beta_offset_div2;
+    int8_t                               pps_tc_offset_div2;
+    uint8_t                              log2_parallel_merge_level_minus2;
+    StdVideoH265PpsFlags                 flags;
+    StdVideoH265ScalingLists*            pScalingLists; // Must be a valid pointer if pps_scaling_list_data_present_flag is set
+
+    // extension PPS, valid when STD_VIDEO_H265_PROFILE_IDC_FORMAT_RANGE_EXTENSIONS is set
+    uint8_t                              log2_max_transform_skip_block_size_minus2;
+    uint8_t                              diff_cu_chroma_qp_offset_depth;
+    uint8_t                              chroma_qp_offset_list_len_minus1;
+    int8_t                               cb_qp_offset_list[STD_VIDEO_H265_CHROMA_QP_OFFSET_LIST_SIZE];
+    int8_t                               cr_qp_offset_list[STD_VIDEO_H265_CHROMA_QP_OFFSET_LIST_SIZE];
+    uint8_t                              log2_sao_offset_scale_luma;
+    uint8_t                              log2_sao_offset_scale_chroma;
+
+    // extension PPS, valid when STD_VIDEO_H265_PROFILE_IDC_SCC_EXTENSIONS is set
+    int8_t                               pps_act_y_qp_offset_plus5;
+    int8_t                               pps_act_cb_qp_offset_plus5;
+    int8_t                               pps_act_cr_qp_offset_plus5;
+    uint8_t                              pps_num_palette_predictor_initializer;
+    uint8_t                              luma_bit_depth_entry_minus8;
+    uint8_t                              chroma_bit_depth_entry_minus8;
+    StdVideoH265PredictorPaletteEntries* pPredictorPaletteEntries;  // Must be a valid pointer if pps_palette_predictor_initializer_present_flag is set
+} StdVideoH265PictureParameterSet;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // VULKAN_VIDEO_CODEC_H265STD_H_
diff --git a/include/vk_video/vulkan_video_codec_h265std_decode.h b/include/vk_video/vulkan_video_codec_h265std_decode.h
new file mode 100644
index 00000000000..a1efa055998
--- /dev/null
+++ b/include/vk_video/vulkan_video_codec_h265std_decode.h
@@ -0,0 +1,64 @@
+/*
+** Copyright (c) 2019-2021 The Khronos Group Inc.
+**
+** SPDX-License-Identifier: Apache-2.0
+*/
+
+#ifndef VULKAN_VIDEO_CODEC_H265STD_DECODE_H_
+#define VULKAN_VIDEO_CODEC_H265STD_DECODE_H_ 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "vk_video/vulkan_video_codec_h265std.h"
+
+// *************************************************
+// Video h265 Decode related parameters:
+// *************************************************
+
+#define STD_VIDEO_DECODE_H265_REF_PIC_SET_LIST_SIZE 8
+
+typedef struct StdVideoDecodeH265PictureInfoFlags {
+    uint32_t IrapPicFlag : 1;
+    uint32_t IdrPicFlag  : 1;
+    uint32_t IsReference : 1;
+    uint32_t short_term_ref_pic_set_sps_flag : 1;
+} StdVideoDecodeH265PictureInfoFlags;
+
+typedef struct StdVideoDecodeH265PictureInfo {
+    uint8_t                            vps_video_parameter_set_id;
+    uint8_t                            sps_seq_parameter_set_id;
+    uint8_t                            pps_pic_parameter_set_id;
+    uint8_t                            num_short_term_ref_pic_sets;
+    int32_t                            PicOrderCntVal;
+    uint16_t                           NumBitsForSTRefPicSetInSlice; // number of bits used in st_ref_pic_set()
+                                                                     //when short_term_ref_pic_set_sps_flag is 0; otherwise set to 0.
+    uint8_t                            NumDeltaPocsOfRefRpsIdx;      // NumDeltaPocs[ RefRpsIdx ] when short_term_ref_pic_set_sps_flag = 1, otherwise 0
+    uint8_t                            RefPicSetStCurrBefore[STD_VIDEO_DECODE_H265_REF_PIC_SET_LIST_SIZE]; // slotIndex as used in
+                                                                     // VkVideoReferenceSlotKHR structures representing
+                                                                     //pReferenceSlots in VkVideoDecodeInfoKHR, 0xff for invalid slotIndex
+    uint8_t                            RefPicSetStCurrAfter[STD_VIDEO_DECODE_H265_REF_PIC_SET_LIST_SIZE];   // slotIndex as used in
+                                                                     // VkVideoReferenceSlotKHR structures representing
+                                                                     //pReferenceSlots in VkVideoDecodeInfoKHR, 0xff for invalid slotIndex
+    uint8_t                            RefPicSetLtCurr[STD_VIDEO_DECODE_H265_REF_PIC_SET_LIST_SIZE]; // slotIndex as used in
+                                                                     // VkVideoReferenceSlotKHR structures representing
+                                                                     //pReferenceSlots in VkVideoDecodeInfoKHR, 0xff for invalid slotIndex
+    StdVideoDecodeH265PictureInfoFlags flags;
+} StdVideoDecodeH265PictureInfo;
+
+typedef struct StdVideoDecodeH265ReferenceInfoFlags {
+    uint32_t is_long_term : 1;
+    uint32_t is_non_existing : 1;
+} StdVideoDecodeH265ReferenceInfoFlags;
+
+typedef struct StdVideoDecodeH265ReferenceInfo {
+    int32_t                              PicOrderCntVal;
+    StdVideoDecodeH265ReferenceInfoFlags flags;
+} StdVideoDecodeH265ReferenceInfo;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // VULKAN_VIDEO_CODEC_H265STD_DECODE_H_
diff --git a/include/vk_video/vulkan_video_codec_h265std_encode.h b/include/vk_video/vulkan_video_codec_h265std_encode.h
new file mode 100644
index 00000000000..ffffef2062e
--- /dev/null
+++ b/include/vk_video/vulkan_video_codec_h265std_encode.h
@@ -0,0 +1,122 @@
+/*
+** 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_
diff --git a/include/vk_video/vulkan_video_codecs_common.h b/include/vk_video/vulkan_video_codecs_common.h
new file mode 100644
index 00000000000..8cc227a6368
--- /dev/null
+++ b/include/vk_video/vulkan_video_codecs_common.h
@@ -0,0 +1,21 @@
+/*
+** Copyright (c) 2019-2021 The Khronos Group Inc.
+**
+** SPDX-License-Identifier: Apache-2.0
+*/
+
+#ifndef VULKAN_VIDEO_CODEC_COMMON_H_
+#define VULKAN_VIDEO_CODEC_COMMON_H_ 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define VK_MAKE_VIDEO_STD_VERSION(major, minor, patch) \
+    ((((uint32_t)(major)) << 22) | (((uint32_t)(minor)) << 12) | ((uint32_t)(patch)))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // VULKAN_VIDEO_CODEC_COMMON_H_