rustdesk/src/codec.js

// example: https://github.com/rgov/js-theora-decoder/blob/main/index.html
// dev: copy decoder files from node/ogv/dist/* to project dir
// dist: .... to dist
/*
	OGVDemuxerOggW: 'ogv-demuxer-ogg-wasm.js',
	OGVDemuxerWebMW: 'ogv-demuxer-webm-wasm.js',
	OGVDecoderAudioOpusW: 'ogv-decoder-audio-opus-wasm.js',
	OGVDecoderAudioVorbisW: 'ogv-decoder-audio-vorbis-wasm.js',
	OGVDecoderVideoTheoraW: 'ogv-decoder-video-theora-wasm.js',
	OGVDecoderVideoVP8W: 'ogv-decoder-video-vp8-wasm.js',
	OGVDecoderVideoVP8MTW: 'ogv-decoder-video-vp8-mt-wasm.js',
	OGVDecoderVideoVP9W: 'ogv-decoder-video-vp9-wasm.js',
	OGVDecoderVideoVP9SIMDW: 'ogv-decoder-video-vp9-simd-wasm.js',
	OGVDecoderVideoVP9MTW: 'ogv-decoder-video-vp9-mt-wasm.js',
	OGVDecoderVideoVP9SIMDMTW: 'ogv-decoder-video-vp9-simd-mt-wasm.js',
	OGVDecoderVideoAV1W: 'ogv-decoder-video-av1-wasm.js',
	OGVDecoderVideoAV1SIMDW: 'ogv-decoder-video-av1-simd-wasm.js',
	OGVDecoderVideoAV1MTW: 'ogv-decoder-video-av1-mt-wasm.js',
	OGVDecoderVideoAV1SIMDMTW: 'ogv-decoder-video-av1-simd-mt-wasm.js',
*/

export function loadVp9() {
    window.OGVLoader.loadClass(
        "OGVDecoderVideoVP9W",
        (videoCodecClass) => {
            videoCodecClass().then((decoder) => {
                decoder.init(() => {
                    onVp9Ready(decoder)
                })
            })
        },
        { worker: true }
    );
}

export function loadOpus() {
    window.OGVLoader.loadClass(
        "OGVDecoderAudioOpusW",
        (audioCodecClass) => {
            audioCodecClass().then((decoder) => {
                decoder.init(() => {
                    onOpusReady(decoder)
                })
            })
        },
        { worker: true }
    );
}

async function onVp9Ready(decoder) {
    console.log("Vp9 decoder ready");

    /*
    decoder.processFrame(buffer, () => {
        player.drawFrame(decoder.frameBuffer)
    })
    */
}

async function onOpusReady(decoder) {
    console.log("Opus decoder ready");
}