Enum PixelData 

pub enum PixelData {
    Bgra(Arc<Vec<u8>>),
    Rgba(Arc<Vec<u8>>),
    Nv12 {
        data: Arc<Vec<u8>>,
        y_stride: usize,
        uv_stride: usize,
    },
    DmaBuf {
        fd: Arc<OwnedFd>,
        fourcc: u32,
        modifier: u64,
        stride: u32,
        offset: u32,
        y_invert: bool,
    },
    Nv12DmaBuf {
        fd: Arc<OwnedFd>,
        stride: u32,
        uv_offset: u32,
        width: u32,
        height: u32,
        sync_fd: Option<Arc<OwnedFd>>,
    },
    VaSurface {
        surface_id: u32,
        va_display: usize,
        _fd: Arc<OwnedFd>,
    },
    Encoded {
        data: Arc<Vec<u8>>,
        is_keyframe: bool,
        codec_flag: u8,
    },
}

Pixel data in its native format, avoiding unnecessary colorspace conversions.

Variants

Bgra(Arc<Vec<u8>>)

Rgba(Arc<Vec<u8>>)

Nv12

Fields

data: Arc<Vec<u8>>

y_stride: usize

uv_stride: usize

DmaBuf

Fields

fd: Arc<OwnedFd>

fourcc: u32

modifier: u64

stride: u32

offset: u32

y_invert: bool

When true the image origin is bottom-left (OpenGL convention). The Vulkan renderer flips the V texture coordinate to display the image right-side-up.

Nv12DmaBuf

NV12 in a single DMA-BUF (Y at offset 0, UV at uv_offset) — zero-copy from Vulkan compute shader to VA-API encoder.

Fields

fd: Arc<OwnedFd>

stride: u32

uv_offset: u32

width: u32

height: u32

sync_fd: Option<Arc<OwnedFd>>

Optional sync_fd exported from the Vulkan fence that guards the BGRA→NV12 compute dispatch. The consumer (encoder) must poll() this fd before reading the NV12 data. None when implicit DMA-BUF fencing handles synchronisation (linear buffers).

VaSurface

VA-API surface ready for VPP/encode — zero-copy path.

Fields

surface_id: u32

va_display: usize

_fd: Arc<OwnedFd>

Encoded

Pre-encoded bitstream from Vulkan Video encoder. The compositor did render → NV12 compute → video encode in one shot.

Fields

data: Arc<Vec<u8>>

is_keyframe: bool

codec_flag: u8

Codec flag matching SURFACE_FRAME_CODEC_* constants.

Implementations

impl PixelData

pub fn to_rgba(&self, width: u32, height: u32) -> Vec<u8>

pub fn is_empty(&self) -> bool

pub fn is_dmabuf(&self) -> bool

pub fn is_va_surface(&self) -> bool

Trait Implementations

impl Clone for PixelData

fn clone(&self) -> PixelData

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.