# VkVideoEncodeH265StdFlagBitsKHR(3) Manual Page

## Name

VkVideoEncodeH265StdFlagBitsKHR - Video encode H.265 syntax capability flags

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## C Specification

Bits which may be set in VkVideoEncodeH265CapabilitiesKHR::`stdSyntaxFlags`, indicating the capabilities related to the H.265 syntax elements, are:

    // Provided by VK_KHR_video_encode_h265
    typedef enum VkVideoEncodeH265StdFlagBitsKHR {
        VK_VIDEO_ENCODE_H265_STD_SEPARATE_COLOR_PLANE_FLAG_SET_BIT_KHR = 0x00000001,
        VK_VIDEO_ENCODE_H265_STD_SAMPLE_ADAPTIVE_OFFSET_ENABLED_FLAG_SET_BIT_KHR = 0x00000002,
        VK_VIDEO_ENCODE_H265_STD_SCALING_LIST_DATA_PRESENT_FLAG_SET_BIT_KHR = 0x00000004,
        VK_VIDEO_ENCODE_H265_STD_PCM_ENABLED_FLAG_SET_BIT_KHR = 0x00000008,
        VK_VIDEO_ENCODE_H265_STD_SPS_TEMPORAL_MVP_ENABLED_FLAG_SET_BIT_KHR = 0x00000010,
        VK_VIDEO_ENCODE_H265_STD_INIT_QP_MINUS26_BIT_KHR = 0x00000020,
        VK_VIDEO_ENCODE_H265_STD_WEIGHTED_PRED_FLAG_SET_BIT_KHR = 0x00000040,
        VK_VIDEO_ENCODE_H265_STD_WEIGHTED_BIPRED_FLAG_SET_BIT_KHR = 0x00000080,
        VK_VIDEO_ENCODE_H265_STD_LOG2_PARALLEL_MERGE_LEVEL_MINUS2_BIT_KHR = 0x00000100,
        VK_VIDEO_ENCODE_H265_STD_SIGN_DATA_HIDING_ENABLED_FLAG_SET_BIT_KHR = 0x00000200,
        VK_VIDEO_ENCODE_H265_STD_TRANSFORM_SKIP_ENABLED_FLAG_SET_BIT_KHR = 0x00000400,
        VK_VIDEO_ENCODE_H265_STD_TRANSFORM_SKIP_ENABLED_FLAG_UNSET_BIT_KHR = 0x00000800,
        VK_VIDEO_ENCODE_H265_STD_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT_FLAG_SET_BIT_KHR = 0x00001000,
        VK_VIDEO_ENCODE_H265_STD_TRANSQUANT_BYPASS_ENABLED_FLAG_SET_BIT_KHR = 0x00002000,
        VK_VIDEO_ENCODE_H265_STD_CONSTRAINED_INTRA_PRED_FLAG_SET_BIT_KHR = 0x00004000,
        VK_VIDEO_ENCODE_H265_STD_ENTROPY_CODING_SYNC_ENABLED_FLAG_SET_BIT_KHR = 0x00008000,
        VK_VIDEO_ENCODE_H265_STD_DEBLOCKING_FILTER_OVERRIDE_ENABLED_FLAG_SET_BIT_KHR = 0x00010000,
        VK_VIDEO_ENCODE_H265_STD_DEPENDENT_SLICE_SEGMENTS_ENABLED_FLAG_SET_BIT_KHR = 0x00020000,
        VK_VIDEO_ENCODE_H265_STD_DEPENDENT_SLICE_SEGMENT_FLAG_SET_BIT_KHR = 0x00040000,
        VK_VIDEO_ENCODE_H265_STD_SLICE_QP_DELTA_BIT_KHR = 0x00080000,
        VK_VIDEO_ENCODE_H265_STD_DIFFERENT_SLICE_QP_DELTA_BIT_KHR = 0x00100000,
    } VkVideoEncodeH265StdFlagBitsKHR;

## Description

- `VK_VIDEO_ENCODE_H265_STD_SEPARATE_COLOR_PLANE_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265SpsFlags`::`separate_colour_plane_flag` in the SPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_SAMPLE_ADAPTIVE_OFFSET_ENABLED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265SpsFlags`::`sample_adaptive_offset_enabled_flag` in the SPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_SCALING_LIST_DATA_PRESENT_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for the `scaling_list_enabled_flag` and `sps_scaling_list_data_present_flag` members of `StdVideoH265SpsFlags` in the SPS, and the application-provided value for `StdVideoH265PpsFlags`::`pps_scaling_list_data_present_flag` in the PPS when those values are `1`.

- `VK_VIDEO_ENCODE_H265_STD_PCM_ENABLED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265SpsFlags`::`pcm_enable_flag` in the SPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_SPS_TEMPORAL_MVP_ENABLED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265SpsFlags`::`sps_temporal_mvp_enabled_flag` in the SPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_INIT_QP_MINUS26_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PictureParameterSet`::`init_qp_minus26` in the PPS when that value is non-zero.

- `VK_VIDEO_ENCODE_H265_STD_WEIGHTED_PRED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`weighted_pred_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_WEIGHTED_BIPRED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`weighted_bipred_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_LOG2_PARALLEL_MERGE_LEVEL_MINUS2_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PictureParameterSet`::`log2_parallel_merge_level_minus2` in the PPS when that value is non-zero.

- `VK_VIDEO_ENCODE_H265_STD_SIGN_DATA_HIDING_ENABLED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`sign_data_hiding_enabled_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_TRANSFORM_SKIP_ENABLED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`transform_skip_enabled_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_TRANSFORM_SKIP_ENABLED_FLAG_UNSET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`transform_skip_enabled_flag` in the PPS when that value is `0`.

- `VK_VIDEO_ENCODE_H265_STD_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`pps_slice_chroma_qp_offsets_present_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_TRANSQUANT_BYPASS_ENABLED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`transquant_bypass_enabled_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_CONSTRAINED_INTRA_PRED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`constrained_intra_pred_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_ENTROPY_CODING_SYNC_ENABLED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`entropy_coding_sync_enabled_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_DEBLOCKING_FILTER_OVERRIDE_ENABLED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`deblocking_filter_override_enabled_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_DEPENDENT_SLICE_SEGMENTS_ENABLED_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoH265PpsFlags`::`dependent_slice_segments_enabled_flag` in the PPS when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_DEPENDENT_SLICE_SEGMENT_FLAG_SET_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoEncodeH265SliceSegmentHeader`::`dependent_slice_segment_flag` in the H.265 slice segment header parameters when that value is `1`.

- `VK_VIDEO_ENCODE_H265_STD_SLICE_QP_DELTA_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoEncodeH265SliceSegmentHeader`::`slice_qp_delta` in the H.265 slice segment header parameters when that value is identical across the slice segments of the encoded frame.

- `VK_VIDEO_ENCODE_H265_STD_DIFFERENT_SLICE_QP_DELTA_BIT_KHR` specifies whether the implementation supports using the application-provided value for `StdVideoEncodeH265SliceSegmentHeader`::`slice_qp_delta` in the H.265 slice segment header parameters when that value is different across the slice segments of the encoded frame.

These capability flags provide information to the application about specific H.265 syntax element values that the implementation supports without having to override them and do not otherwise restrict the values that the application can specify for any of the mentioned H.265 syntax elements.

## See Also

VK_KHR_video_encode_h265, VkVideoEncodeH265StdFlagsKHR

## Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0