# VkVideoDecodeH264PictureLayoutFlagBitsKHR(3) Manual Page

## Name

VkVideoDecodeH264PictureLayoutFlagBitsKHR - H.264 video decode picture layout flags

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## C Specification

The H.264 video decode picture layout flags are defined as follows:

    // Provided by VK_KHR_video_decode_h264
    typedef enum VkVideoDecodeH264PictureLayoutFlagBitsKHR {
        VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_PROGRESSIVE_KHR = 0,
        VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_INTERLACED_INTERLEAVED_LINES_BIT_KHR = 0x00000001,
        VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_INTERLACED_SEPARATE_PLANES_BIT_KHR = 0x00000002,
    } VkVideoDecodeH264PictureLayoutFlagBitsKHR;

## Description

- `VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_PROGRESSIVE_KHR` specifies support for progressive content. This flag has the value `0`.

- `VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_INTERLACED_INTERLEAVED_LINES_BIT_KHR` specifies support for or use of a picture layout for interlaced content where all lines belonging to the top field are decoded to the even-numbered lines within the picture resource, and all lines belonging to the bottom field are decoded to the odd-numbered lines within the picture resource.

- `VK_VIDEO_DECODE_H264_PICTURE_LAYOUT_INTERLACED_SEPARATE_PLANES_BIT_KHR` specifies support for or use of a picture layout for interlaced content where all lines belonging to a field are grouped together in a single image subregion, and the two fields comprising the frame can be stored in separate image subregions of the same image subresource or in separate image subresources.

## See Also

VK_KHR_video_decode_h264, VkVideoDecodeH264PictureLayoutFlagsKHR, VkVideoDecodeH264ProfileInfoKHR

## 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