Struct PresentationCompositionSegment 

pub struct PresentationCompositionSegment {
    pub width: u16,
    pub height: u16,
    pub frame_rate: u8,
    pub composition_number: u16,
    pub composition_state: u8,
    pub palette_update_flag: u8,
    pub palette_id: u8,
    pub composition_objects: Vec<CompositionObject>,
}

Presentation Composition Segment contains display parameters.

Fields

width: u16

Video width

height: u16

Video height

frame_rate: u8

Frame rate (encoded value)

composition_number: u16

Composition number (sequence identifier)

composition_state: u8

Composition state (Normal, AcquisitionPoint, EpochStart)

palette_update_flag: u8

Palette update flag (bit 7 = palette only update)

palette_id: u8

Palette ID to use

composition_objects: Vec<CompositionObject>

List of composition objects to render

Implementations

impl PresentationCompositionSegment

pub fn parse(reader: &mut BigEndianReader<'_>, _length: usize) -> Option<Self>

Parse a presentation composition segment from binary data.

pub fn get_composition_state(&self) -> Option<CompositionState>

Get the composition state enum.

pub fn is_epoch_start(&self) -> bool

Check if this is an epoch start (complete reset).

pub fn is_acquisition_point(&self) -> bool

Check if this is an acquisition point (new boundary).

pub fn is_palette_update_only(&self) -> bool

Check if this is a palette-only update.

Trait Implementations

impl Clone for PresentationCompositionSegment

fn clone(&self) -> PresentationCompositionSegment

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PresentationCompositionSegment

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

Formats the value using the given formatter.