Struct TrackLayout 

pub struct TrackLayout {
    pub track_index: u32,
    pub label: String,
    pub is_video: bool,
    pub opacity: f64,
    pub x_offset: f64,
    pub y_offset: f64,
    pub scale: f64,
}

A single track layout entry within a preset.

Fields

track_index: u32

Track index.

label: String

Track label (e.g., “A-Roll”, “B-Roll”, “Music”).

is_video: bool

Whether this is a video track (false = audio).

opacity: f64

Default opacity (0.0 to 1.0, video only).

x_offset: f64

Position X offset (normalised 0.0..1.0, video only).

y_offset: f64

Position Y offset (normalised 0.0..1.0, video only).

scale: f64

Scale factor (1.0 = full size).

Implementations

impl TrackLayout

pub fn video(track_index: u32, label: &str) -> Self

Create a full-screen video track layout.

pub fn audio(track_index: u32, label: &str) -> Self

Create an audio track layout.

pub fn with_transform(self, x: f64, y: f64, scale: f64) -> Self

Set position and scale for PIP / split-screen.

pub fn with_opacity(self, opacity: f64) -> Self

Set opacity.

Trait Implementations

impl Clone for TrackLayout

fn clone(&self) -> TrackLayout

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TrackLayout

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

Formats the value using the given formatter.