@yume-chan/scrcpy
Version:
TypeScript implementation of Scrcpy client.
49 lines • 1.58 kB
JavaScript
import { BufferedReadableStream } from "@yume-chan/stream-extra";
import { ScrcpyVideoCodecId } from "../../base/video.js";
import { PrevImpl } from "./prev.js";
function toCodecId(codec) {
switch (codec) {
case "h264":
return ScrcpyVideoCodecId.H264;
case "h265":
return ScrcpyVideoCodecId.H265;
case "av1":
return ScrcpyVideoCodecId.AV1;
default:
throw new Error(`Unknown video codec: ${codec}`);
}
}
async function parseAsync(options, stream) {
const buffered = new BufferedReadableStream(stream);
// `sendDeviceMeta` now only contains device name,
// can't use `super.parseVideoStreamMetadata` here
let deviceName;
if (options.sendDeviceMeta) {
deviceName = await PrevImpl.readString(buffered, 64);
}
let codec;
let width;
let height;
if (options.sendCodecMeta) {
codec = (await PrevImpl.readU32(buffered));
width = await PrevImpl.readU32(buffered);
height = await PrevImpl.readU32(buffered);
}
else {
codec = toCodecId(options.videoCodec);
}
return {
stream: buffered.release(),
metadata: { deviceName, codec, width, height },
};
}
export function parseVideoStreamMetadata(options, stream) {
if (!options.sendDeviceMeta && !options.sendCodecMeta) {
return {
stream,
metadata: { codec: toCodecId(options.videoCodec) },
};
}
return parseAsync(options, stream);
}
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