Struct QuantizationContext 

pub struct QuantizationContext {
    log_tx_scale: usize,
    dc_quant: NonZeroU16,
    dc_offset: u32,
    dc_mul_add: (u32, u32, u32),
    ac_quant: NonZeroU16,
    ac_offset_eob: u32,
    ac_offset0: u32,
    ac_offset1: u32,
    ac_mul_add: (u32, u32, u32),
}

Fields

log_tx_scale: usize

dc_quant: NonZeroU16

dc_offset: u32

dc_mul_add: (u32, u32, u32)

ac_quant: NonZeroU16

ac_offset_eob: u32

ac_offset0: u32

ac_offset1: u32

ac_mul_add: (u32, u32, u32)

Implementations

impl QuantizationContext

pub fn update( &mut self, qindex: u8, tx_size: TxSize, is_intra: bool, bit_depth: usize, dc_delta_q: i8, ac_delta_q: i8, )

pub fn quantize<T: Coefficient>( &self, coeffs: &[T], qcoeffs: &mut [T], tx_size: TxSize, tx_type: TxType, ) -> u16

Trait Implementations

impl Clone for QuantizationContext

fn clone(&self) -> QuantizationContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QuantizationContext

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

Formats the value using the given formatter.

impl Default for QuantizationContext

fn default() -> Self

Returns the “default value” for a type.

impl Copy for QuantizationContext