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yuv wasm seems slow

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rustdesk
2022-01-27 23:32:51 +08:00
parent c8b681b84c
commit 58f2419f27
2 changed files with 40 additions and 20 deletions
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28
src/globals.js
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@@ -11,7 +11,11 @@ var currentFrame = undefined;
var events = [];
window.curConn = undefined;
window.getRgba = () => currentFrame;
window.getRgba = () => {
const tmp = currentFrame;
currentFrame = undefined;
return tmp || null;
}
window.getLanguage = () => navigator.language;
export function msgbox(type, title, text) {
@@ -37,7 +41,7 @@ export function pushEvent(name, payload) {
}
export function draw(frame) {
currentFrame = frame;
currentFrame = I420ToABGR(frame);
}
export function setConn(conn) {
@@ -276,8 +280,24 @@ window.init = async () => {
await initZstd();
}
function I420ToARGB(yuvbuffer) {
//
function I420ToABGR(yb) {
if (!wasmDsp) return null;
const yPtr = wasmDsp._malloc(yb.y.bytes.length);
wasmDsp.HEAPU8.set(yb.y.bytes, yPtr);
const uPtr = wasmDsp._malloc(yb.u.bytes.length);
wasmDsp.HEAPU8.set(yb.u.bytes, uPtr);
const vPtr = wasmDsp._malloc(yb.v.bytes.length);
wasmDsp.HEAPU8.set(yb.v.bytes, vPtr);
const oSize = yb.format.width * yb.format.height * 4;
const outPtr = wasmDsp._malloc(oSize);
const res = wasmDsp._I420ToABGR(yPtr, yb.y.stride, uPtr, yb.u.stride, vPtr, yb.v.stride, outPtr, yb.format.width * 4,
yb.format.width, yb.format.height);
const out = wasmDsp.HEAPU8.slice(outPtr, outPtr + oSize);
wasmDsp._free(yPtr);
wasmDsp._free(uPtr);
wasmDsp._free(vPtr);
wasmDsp._free(outPtr);
return out;
}
async function initZstd() {