Struct CoeffStats 

pub struct CoeffStats {
    pub zero_count: u32,
    pub level1_count: u32,
    pub level2_count: u32,
    pub high_level_count: u32,
    pub level_sum: u64,
    pub max_level: u32,
}

Statistics about coefficients in a block.

Fields

zero_count: u32

Number of zero coefficients.

level1_count: u32

Number of coefficients with level 1.

level2_count: u32

Number of coefficients with level 2.

high_level_count: u32

Number of coefficients with level > 2.

level_sum: u64

Sum of absolute levels.

max_level: u32

Maximum absolute level.

Implementations

impl CoeffStats

pub fn from_coeffs(coeffs: &[i32]) -> Self

Compute statistics from coefficient buffer.

pub fn nonzero_count(&self) -> u32

Get total non-zero count.

pub fn average_level(&self) -> f64

Get average level (for non-zero coefficients).

Trait Implementations

impl Clone for CoeffStats

fn clone(&self) -> CoeffStats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CoeffStats

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

Formats the value using the given formatter.

impl Default for CoeffStats

fn default() -> CoeffStats

Returns the “default value” for a type.