antosdk-apps/RemoteDesktop/javascript/decoder_asm.js

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JavaScript
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// Generated by CoffeeScript 1.12.8
var api, onmessage, resolution, wasm_update;
importScripts('wvnc_asm.js');
api = {};
resolution = void 0;
Module.onRuntimeInitialized = function() {
return api = {
createBuffer: Module.cwrap('create_buffer', 'number', ['number', 'number']),
destroyBuffer: Module.cwrap('destroy_buffer', '', ['number']),
updateBuffer: Module.cwrap("update", 'number', ['number', 'number', 'number', 'number', 'number']),
decodeBuffer: Module.cwrap("decode", 'number', ['number', 'number', 'number'])
};
};
wasm_update = function(msg) {
var bbp, datain, dataout, flag, h, p, po, size, tmp, w, x, y;
datain = new Uint8Array(msg);
x = datain[1] | (datain[2] << 8);
y = datain[3] | (datain[4] << 8);
w = datain[5] | (datain[6] << 8);
h = datain[7] | (datain[8] << 8);
flag = datain[9] & 0x01;
bbp = datain[9] & 0xFE;
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msg = {};
msg.pixels = void 0;
msg.x = x;
msg.y = y;
msg.w = w;
msg.h = h;
size = w * h * 4;
if (size === 0) {
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return;
}
tmp = new Uint8Array(size);
p = api.createBuffer(datain.length);
Module.HEAP8.set(datain, p);
po = api.decodeBuffer(p, datain.length, size);
dataout = new Uint8Array(Module.HEAP8.buffer, po, size);
tmp.set(dataout, 0);
msg.pixels = tmp.buffer;
postMessage(msg, [msg.pixels]);
api.destroyBuffer(p);
if (flag !== 0x0 || bbp !== 32) {
return api.destroyBuffer(po);
}
};
onmessage = function(e) {
if (e.data.width) {
return resolution = e.data;
} else {
return wasm_update(e.data);
}
};