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Merge branch 'main' into hls

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Vanilagy
2026-02-26 15:53:46 +01:00
parent 02484778d1 adc2f125bf
commit b0604150c1
35 changed files with 935 additions and 76 deletions
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src/input-track.ts
+29 -7
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@@ -11,7 +11,7 @@ import { determineVideoPacketType } from './codec-data';
import { customAudioDecoders, customVideoDecoders } from './custom-coder';
import { Input } from './input';
import { EncodedPacketSink, PacketRetrievalOptions } from './media-sink';
import { assert, Rotation } from './misc';
import { assert, Rational, Rotation, simplifyRational } from './misc';
import { TrackType } from './output';
import { EncodedPacket, PacketType } from './packet';
import { TrackDisposition } from './metadata';
@@ -214,6 +214,8 @@ export interface InputVideoTrackBacking extends InputTrackBacking {
getCodec(): VideoCodec | null;
getCodedWidth(): number;
getCodedHeight(): number;
getSquarePixelWidth(): number;
getSquarePixelHeight(): number;
getRotation(): Rotation;
getColorSpace(): Promise<VideoColorSpaceInit>;
canBeTransparent(): Promise<boolean>;
@@ -229,11 +231,21 @@ export class InputVideoTrack extends InputTrack {
/** @internal */
override _backing: InputVideoTrackBacking;
/**
* The pixel aspect ratio of the track's frames, as a rational number in its reduced form. Most videos use
* square pixels (1:1).
*/
readonly pixelAspectRatio: Rational;
/** @internal */
constructor(input: Input, backing: InputVideoTrackBacking) {
super(input, backing);
this._backing = backing;
this.pixelAspectRatio = simplifyRational({
num: this._backing.getSquarePixelWidth() * this._backing.getCodedHeight(),
den: this._backing.getSquarePixelHeight() * this._backing.getCodedWidth(),
});
}
get type(): TrackType {
@@ -259,16 +271,26 @@ export class InputVideoTrack extends InputTrack {
return this._backing.getRotation();
}
/** The width in pixels of the track's frames after rotation. */
get displayWidth() {
const rotation = this._backing.getRotation();
return rotation % 180 === 0 ? this._backing.getCodedWidth() : this._backing.getCodedHeight();
/** The width of the track's frames in square pixels, adjusted for pixel aspect ratio but before rotation. */
get squarePixelWidth() {
return this._backing.getSquarePixelWidth();
}
/** The height in pixels of the track's frames after rotation. */
/** The height of the track's frames in square pixels, adjusted for pixel aspect ratio but before rotation. */
get squarePixelHeight() {
return this._backing.getSquarePixelHeight();
}
/** The display width of the track's frames in pixels, after aspect ratio adjustment and rotation. */
get displayWidth() {
const rotation = this._backing.getRotation();
return rotation % 180 === 0 ? this.squarePixelWidth : this.squarePixelHeight;
}
/** The display height of the track's frames in pixels, after aspect ratio adjustment and rotation. */
get displayHeight() {
const rotation = this._backing.getRotation();
return rotation % 180 === 0 ? this._backing.getCodedHeight() : this._backing.getCodedWidth();
return rotation % 180 === 0 ? this.squarePixelHeight : this.squarePixelWidth;
}
/** Returns the color space of the track's samples. */