Struct rav1e::prelude::TilingInfo

pub struct TilingInfo {

    pub frame_width: usize,
    pub frame_height: usize,
    pub tile_width_sb: usize,
    pub tile_height_sb: usize,
    pub cols: usize,
    pub rows: usize,
    pub tile_cols_log2: usize,
    pub tile_rows_log2: usize,
    pub min_tile_cols_log2: usize,
    pub max_tile_cols_log2: usize,
    pub min_tile_rows_log2: usize,
    pub max_tile_rows_log2: usize,
    pub sb_size_log2: usize,
    pub min_tiles_log2: usize,
}

Tiling information

This stores everything necessary to split a frame into tiles, and write headers fields into the bitstream.

The method tile_iter_mut() actually provides tiled views of FrameState and FrameBlocks.

Fields

frame_width: usize

frame_height: usize

tile_width_sb: usize

tile_height_sb: usize

cols: usize

rows: usize

tile_cols_log2: usize

tile_rows_log2: usize

min_tile_cols_log2: usize

max_tile_cols_log2: usize

min_tile_rows_log2: usize

max_tile_rows_log2: usize

sb_size_log2: usize

min_tiles_log2: usize

Implementations

impl TilingInfo

pub fn from_target_tiles( sb_size_log2: usize, frame_width: usize, frame_height: usize, frame_rate: f64, tile_cols_log2: usize, tile_rows_log2: usize, is_422_p: bool ) -> Self

Panics

Panics if the resulting tile sizes would be too large.

pub fn tile_log2(blk_size: usize, target: usize) -> Option<usize>

Return the smallest value for k such that blkSize << k is greater than or equal to target.

https://aomediacodec.github.io/av1-spec/#tile-size-calculation-function

pub const fn tile_count(&self) -> usize

pub fn tile_iter_mut<'a, T: Pixel>( &self, fs: &'a mut FrameState<T>, fb: &'a mut FrameBlocks ) -> TileContextIterMut<'a, T>

Split frame-level structures into tiles

Provide mutable tiled views of frame-level structures.

Trait Implementations

impl Clone for TilingInfo

fn clone(&self) -> TilingInfo

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for TilingInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for TilingInfo