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feat(decoder): add an option to enable capture WebGL canvas

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Simon Chan 2024-05-03 14:23:46 +08:00
parent 1eed9aaf8b
commit b75669fb67
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2 changed files with 22 additions and 3 deletions
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14
libraries/scrcpy-decoder-webcodecs/src/index.ts
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@ -81,13 +81,23 @@ export class WebCodecsVideoDecoder implements ScrcpyVideoDecoder {
#currentFrameRendered = false;
#animationFrameId = 0;
constructor(codec: ScrcpyVideoCodecId) {
/**
* Create a new WebCodecs video decoder.
* @param codec The video codec to decode
* @param enableCapture
* Whether to allow capturing the canvas content using APIs like `readPixels` and `toDataURL`.
* Enable this option may reduce performance.
*/
constructor(codec: ScrcpyVideoCodecId, enableCapture: boolean) {
this.#codec = codec;
this.#canvas = document.createElement("canvas");
try {
this.#renderer = new WebGLFrameRenderer(this.#canvas);
this.#renderer = new WebGLFrameRenderer(
this.#canvas,
enableCapture,
);
} catch {
this.#renderer = new BitmapFrameRenderer(this.#canvas);
}