Struct heif_content_light_level 

#[repr(C)]
pub struct heif_content_light_level {
    pub max_content_light_level: u16,
    pub max_pic_average_light_level: u16,
}

Semantics follow the H.265 ‘Content light level information’ SEI message (ITU-T H.265 Annex D.3.35). Identifies upper bounds for the nominal target brightness light level of the pictures. The bounds are defined against samples in a 4:4:4 RGB representation in the linear light domain, in units of candelas per square metre (cd/m^2 = nits). A field value of 0 means “no upper bound indicated” (i.e. undefined).

Fields

max_content_light_level: u16

Upper bound on the maximum light level among all individual linear-light 4:4:4 RGB samples across the sequence, in cd/m^2 (= field). Also called MaxCLL.

max_pic_average_light_level: u16

Upper bound on the maximum per-picture average light level among the linear-light 4:4:4 RGB samples (averaged over any individual picture), in cd/m^2 (= field). Also called MaxFALL (or MaxPALL). For letterboxed content the average is expected to be taken only over the visually relevant region (H.265 D.3.35 NOTE 3).

Trait Implementations

impl Clone for heif_content_light_level

fn clone(&self) -> heif_content_light_level

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for heif_content_light_level

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

Formats the value using the given formatter.

impl Copy for heif_content_light_level