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example.js
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example.js
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/**
* @author changyanlong
* @email porschegt23@foxmail.com
* @qq 531365872
* @wechat numberwolf11
* @github github.com/numberwolf
*/
import MissileEngineDecoder from './index';
import RenderEngine420P from './render-yuv420p';
var token = "base64:QXV0aG9yOmNoYW5neWFubG9uZ3xudW1iZXJ3b2xmLEdpdGh1YjpodHRwczovL2dpdGh1Yi5jb20vbnVtYmVyd29sZixFbWFpbDpwb3JzY2hlZ3QyM0Bmb3htYWlsLmNvbSxRUTo1MzEzNjU4NzIsSG9tZVBhZ2U6aHR0cDovL3h2aWRlby52aWRlbyxEaXNjb3JkOm51bWJlcndvbGYjODY5NCx3ZWNoYXI6bnVtYmVyd29sZjExLEJlaWppbmcsV29ya0luOkJhaWR1";
var version = '100.2.0';
var url265 = "res/video40_265_moov_30s.hevc";
var url265_2 = "res/spreedmovie.hevc";
var networkInterval = null;
var networkInterval2 = null;
var timerFeed = null;
var timerFeed2 = null;
var rawParserObj = null;
var rawParserObj2 = null;
var decoderMod = null;
var decoderMod2 = null;
var canvas = document.querySelector('#canvas');
var canvas2 = document.querySelector('#canvas2');
var start1btn = document.querySelector('#start1-btn');
var start2btn = document.querySelector('#start2-btn');
var release1btn = document.querySelector('#release1-btn');
var release2btn = document.querySelector('#release2-btn');
var yuv = RenderEngine420P.setupCanvas(canvas, {
preserveDrawingBuffer: false
});
var yuv2 = RenderEngine420P.setupCanvas(canvas2, {
preserveDrawingBuffer: false
});
start1btn.onclick = () => {
var main = () => {
rawParserObj = new MissileEngineDecoder.CRawParser();
var fileStart = 0;
var startFetch = false;
networkInterval = window.setInterval(() => {
if (!startFetch) {
startFetch = true;
fetch(url265).then(function(response) {
let pump = function(reader) {
return reader.read().then(function(result) {
if (result.done) {
window.clearInterval(networkInterval);
return;
}
let chunk = result.value;
rawParserObj.appendStreamRet(chunk);
return pump(reader);
});
}
return pump(response.body.getReader());
})
.catch(function(error) {
console.log(error);
});
}
}, 1);
var ptsIdx = 0;
timerFeed = window.setInterval(() => {
let nalBuf = rawParserObj.nextNalu(); // nal
if (nalBuf != false) {
decoderMod.decodeNalu(nalBuf, ptsIdx);
ptsIdx++;
}
}, 2);
};
// 1
decoderMod = new MissileEngineDecoder.CMissileDecoder(token, version);
release1btn.onclick = () => {
if (networkInterval !== null) {
window.clearInterval(networkInterval);
networkInterval = null;
}
if (timerFeed !== null) {
window.clearInterval(timerFeed);
timerFeed = null;
}
rawParserObj.release();
rawParserObj = null;
decoderMod.release();
decoderMod = null;
};
// 2
decoderMod.initFinish = () => {
console.log("init Finshed");
let bind_ret = decoderMod.bindCallback(function(
y, u, v,
stride_y, stride_u, stride_v,
width, height, pts,
pix_name) {
// console.log("======> One Frame ");
// console.log("======> ======> width, height, pts", width, height, pts);
// console.log("======> ======> pix_name", pix_name);
// console.log("======> ======> Y ", stride_y, y);
// console.log("======> ======> U ", stride_u, u);
// console.log("======> ======> V ", stride_v, v);
RenderEngine420P.renderFrame(
yuv,
y, u, v,
stride_y, height);
});
console.log("bind ret ", bind_ret);
main();
};
// 3
decoderMod.initDecoder();
};
/*
* Second decoder
*/
start2btn.onclick = () => {
var main2 = () => {
rawParserObj2 = new MissileEngineDecoder.CRawParser();
var fileStart = 0;
var startFetch = false;
networkInterval2 = window.setInterval(() => {
if (!startFetch) {
startFetch = true;
fetch(url265_2).then(function(response) {
let pump = function(reader) {
return reader.read().then(function(result) {
if (result.done) {
window.clearInterval(networkInterval2);
return;
}
let chunk = result.value;
rawParserObj2.appendStreamRet(chunk);
return pump(reader);
});
}
return pump(response.body.getReader());
})
.catch(function(error) {
console.log(error);
});
}
}, 1);
var ptsIdx = 0;
timerFeed2 = window.setInterval(() => {
let nalBuf = rawParserObj2.nextNalu(); // nal
if (nalBuf != false) {
decoderMod2.decodeNalu(nalBuf, ptsIdx);
ptsIdx++;
}
}, 2);
};
// 1
decoderMod2 = new MissileEngineDecoder.CMissileDecoder(token, version);
release2btn.onclick = () => {
if (networkInterval2 !== null) {
window.clearInterval(networkInterval2);
networkInterval2 = null;
}
if (timerFeed2 !== null) {
window.clearInterval(timerFeed2);
timerFeed2 = null;
}
rawParserObj2.release();
rawParserObj2 = null;
decoderMod2.release();
decoderMod2 = null;
};
// 2
decoderMod2.initFinish = () => {
console.log("init second Finshed");
let bind_ret = decoderMod2.bindCallback(function(
y, u, v,
stride_y, stride_u, stride_v,
width, height, pts,
pix_name) {
// console.log("======> One Frame in Second");
// console.log("======> ======> width, height, pts", width, height, pts);
// console.log("======> ======> pix_name", pix_name);
// console.log("======> ======> Y ", stride_y, y);
// console.log("======> ======> U ", stride_u, u);
// console.log("======> ======> V ", stride_v, v);
RenderEngine420P.renderFrame(
yuv2,
y, u, v,
stride_y, height);
});
console.log("bind second ret ", bind_ret);
main2();
};
// 3
decoderMod2.initDecoder();
};