@yume-chan/scrcpy-decoder-webcodecs/esm/video/codec/h265.js

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

import { getUint32LittleEndian } from "@yume-chan/no-data-view";
import { h265ParseConfiguration } from "@yume-chan/scrcpy";
import { H26xDecoder } from "./h26x.js";
import { hexDigits } from "./utils.js";
export class H265Decoder extends H26xDecoder {
    #decoder;
    #updateSize;
    constructor(decoder, updateSize) {
        super(decoder);
        this.#decoder = decoder;
        this.#updateSize = updateSize;
    }
    configure(data) {
        const { generalProfileSpace, generalProfileIndex, generalProfileCompatibilitySet, generalTierFlag, generalLevelIndex, generalConstraintSet, croppedWidth, croppedHeight, } = h265ParseConfiguration(data);
        this.#updateSize(croppedWidth, croppedHeight);
        const codec = [
            "hev1",
            ["", "A", "B", "C"][generalProfileSpace] +
                generalProfileIndex.toString(),
            hexDigits(getUint32LittleEndian(generalProfileCompatibilitySet, 0)),
            (generalTierFlag ? "H" : "L") + generalLevelIndex.toString(),
            ...Array.from(generalConstraintSet, hexDigits),
        ].join(".");
        this.#decoder.configure({
            codec,
            // Microsoft Edge requires explicit size to work
            codedWidth: croppedWidth,
            codedHeight: croppedHeight,
            optimizeForLatency: true,
        });
    }
}
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