@yume-chan/scrcpy-decoder-webcodecs/esm/video/codec/h264.js

Raw H.264 stream decoder and renderer using WebCodecs API (requires modern browser).

import { h264ParseConfiguration } from "@yume-chan/scrcpy";
import { H26xDecoder } from "./h26x.js";
import { hexTwoDigits } from "./utils.js";
export class H264Decoder extends H26xDecoder {
    #decoder;
    #updateSize;
    constructor(decoder, updateSize) {
        super(decoder);
        this.#decoder = decoder;
        this.#updateSize = updateSize;
    }
    configure(data) {
        const { profileIndex, constraintSet, levelIndex, croppedWidth, croppedHeight, } = h264ParseConfiguration(data);
        this.#updateSize(croppedWidth, croppedHeight);
        // https://www.rfc-editor.org/rfc/rfc6381#section-3.3
        // ISO Base Media File Format Name Space
        const codec = "avc1." +
            hexTwoDigits(profileIndex) +
            hexTwoDigits(constraintSet) +
            hexTwoDigits(levelIndex);
        this.#decoder.configure({
            codec: codec,
            optimizeForLatency: true,
        });
    }
}
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