# 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 2014-2026 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0