Struct AvifData 

#[non_exhaustive]
pub struct AvifData {
    pub primary_item: TryVec<u8>,
    pub alpha_item: Option<TryVec<u8>>,
    pub premultiplied_alpha: bool,
    pub content_light_level: Option<ContentLightLevel>,
    pub mastering_display: Option<MasteringDisplayColourVolume>,
}

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

primary_item: TryVec<u8>

AV1 data for the color channels.

The collected data indicated by the pitm box, See ISO 14496-12:2015 § 8.11.4

alpha_item: Option<TryVec<u8>>

AV1 data for alpha channel.

Associated alpha channel for the primary item, if any

premultiplied_alpha: bool

If true, divide RGB values by the alpha value.

See prem in MIAF § 7.3.5.2

content_light_level: Option<ContentLightLevel>

Content light level from the container’s clli property, if present.

mastering_display: Option<MasteringDisplayColourVolume>

Mastering display colour volume from the container’s mdcv property, if present.

Implementations

impl AvifData

pub fn from_reader<R: Read>(reader: &mut R) -> Result<Self>

pub fn primary_item_metadata(&self) -> Result<AV1Metadata>

Parses AV1 data to get basic properties of the opaque channel

pub fn alpha_item_metadata(&self) -> Result<Option<AV1Metadata>>

Parses AV1 data to get basic properties about the alpha channel, if any

Trait Implementations

impl Debug for AvifData

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

Formats the value using the given formatter.

impl Default for AvifData

fn default() -> AvifData

Returns the “default value” for a type.