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feat(decoder): add sizeChanged event

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Simon Chan 2024-01-08 19:01:40 +08:00
parent 4fbd24fc7f
commit bef336da08
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4 changed files with 23 additions and 1 deletions
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1
libraries/scrcpy-decoder-webcodecs/package.json
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@ -34,6 +34,7 @@
"prepublishOnly": "npm run build"
},
"dependencies": {
"@yume-chan/event": "workspace:^0.0.22",
"@yume-chan/scrcpy": "workspace:^0.0.22",
"@yume-chan/scrcpy-decoder-tinyh264": "workspace:^0.0.22",
"@yume-chan/stream-extra": "workspace:^0.0.22",

10
libraries/scrcpy-decoder-webcodecs/src/index.ts
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@ -1,3 +1,4 @@
import { EventEmitter } from "@yume-chan/event";
import type {
ScrcpyMediaStreamDataPacket,
ScrcpyMediaStreamPacket,
@ -62,6 +63,11 @@ export class WebCodecsDecoder implements ScrcpyVideoDecoder {
return this.#frameSkipped;
}
#sizeChanged = new EventEmitter<{ width: number; height: number }>();
get sizeChanged() {
return this.#sizeChanged.event;
}
#context: CanvasRenderingContext2D;
#decoder: VideoDecoder;
#config: Uint8Array | undefined;
@ -132,6 +138,10 @@ export class WebCodecsDecoder implements ScrcpyVideoDecoder {
this.#renderer.width = croppedWidth;
this.#renderer.height = croppedHeight;
this.#sizeChanged.fire({
width: croppedWidth,
height: croppedHeight,
});
// https://www.rfc-editor.org/rfc/rfc6381#section-3.3
// ISO Base Media File Format Name Space