Struct brotli::enc::context_map_entropy::ContextMapEntropy

pub struct ContextMapEntropy<'a, Alloc: Allocator<u16> + Allocator<u32> + Allocator<floatX>> {
    input: InputPair<'a>,
    context_map: PredictionModeContextMap<InputReferenceMut<'a>>,
    block_type: u8,
    cur_stride: u8,
    local_byte_offset: usize,
    weight: [[Weights; 16]; 2],
    cm_priors: <Alloc as Allocator<u16>>::AllocatedMemory,
    stride_priors: <Alloc as Allocator<u16>>::AllocatedMemory,
    _stride_pyramid_leaves: [u8; 8],
    singleton_costs: [[[floatX; 16]; 2]; 3],
}

Fields

input: InputPair<'a>

context_map: PredictionModeContextMap<InputReferenceMut<'a>>

block_type: u8

cur_stride: u8

local_byte_offset: usize

weight: [[Weights; 16]; 2]

cm_priors: <Alloc as Allocator<u16>>::AllocatedMemory

stride_priors: <Alloc as Allocator<u16>>::AllocatedMemory

_stride_pyramid_leaves: [u8; 8]

singleton_costs: [[[floatX; 16]; 2]; 3]

Implementations

impl<'a, Alloc: Allocator<u16> + Allocator<u32> + Allocator<floatX>> ContextMapEntropy<'a, Alloc>

pub fn new( m16: &mut Alloc, input: InputPair<'a>, stride: [u8; 8], prediction_mode: PredictionModeContextMap<InputReferenceMut<'a>>, cdf_detection_quality: u8, ) -> Self

pub fn take_prediction_mode( &mut self, ) -> PredictionModeContextMap<InputReferenceMut<'a>>

pub fn prediction_mode_mut( &mut self, ) -> &mut PredictionModeContextMap<InputReferenceMut<'a>>

pub fn best_singleton_speeds( &self, cm: bool, combined: bool, ) -> ([SpeedAndMax; 2], [floatX; 2])

pub fn best_speeds(&mut self, cm: bool, combined: bool) -> [SpeedAndMax; 2]

pub fn best_speeds_costs(&mut self, cm: bool, combined: bool) -> [floatX; 2]

pub fn free(&mut self, alloc: &mut Alloc)

fn update_cost_base( &mut self, stride_prior: u8, _selected_bits: u8, cm_prior: usize, literal: u8, )

Trait Implementations

impl<'a, 'b, Alloc: Allocator<u16> + Allocator<u32> + Allocator<floatX>> CommandProcessor<'b> for ContextMapEntropy<'a, Alloc>

fn push(&mut self, val: Command<InputReference<'b>>)

fn push_literals(&mut self, data: &InputPair<'a>)

fn push_rand_literals(&mut self, data: &InputPair<'a>)

fn push_block_switch_literal(&mut self, block_type: u8)

impl<'a, Alloc: Allocator<u16> + Allocator<u32> + Allocator<floatX>> IRInterpreter for ContextMapEntropy<'a, Alloc>

fn inc_local_byte_offset(&mut self, inc: usize)

fn local_byte_offset(&self) -> usize

fn update_block_type(&mut self, new_type: u8, stride: u8)

fn block_type(&self) -> u8

fn literal_data_at_offset(&self, index: usize) -> u8

fn literal_context_map(&self) -> &[u8]

fn prediction_mode(&self) -> LiteralPredictionModeNibble

fn update_cost( &mut self, stride_prior: [u8; 8], stride_prior_offset: usize, selected_bits: u8, cm_prior: usize, literal: u8, )