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How to use I420_DATA method in wpt

Best JavaScript code snippet using wpt

videoFrame-utils.js

Source:videoFrame-utils.js

1const I420_DATA = new Uint8Array([2      1, 2, 3, 4,  // y3      5, 6, 7, 8,4      9, 10,       // u5      11, 12,      // v6  ]);7function makeI420_4x2() {8  const init = {9      format: 'I420',10      timestamp: 0,11      codedWidth: 4,12      codedHeight: 2,13  };14  return new VideoFrame(I420_DATA, init);15}16function testBufferConstructedI420Frame(bufferType) {17  let fmt = 'I420';18  let vfInit = {format: fmt, timestamp: 1234, codedWidth: 4, codedHeight: 2};19  let buffer;20  if (bufferType == 'SharedArrayBuffer' ||21      bufferType == 'Uint8Array(SharedArrayBuffer)') {22    buffer = new SharedArrayBuffer(I420_DATA.length);23  } else {24    assert_true(bufferType == 'ArrayBuffer' ||25                bufferType == 'Uint8Array(ArrayBuffer)');26    buffer = new ArrayBuffer(I420_DATA.length);27  }28  let bufferView = new Uint8Array(buffer);29  bufferView.set(I420_DATA);30  let data = bufferType.startsWith('Uint8Array') ? bufferView : buffer;31  let frame = new VideoFrame(data, vfInit);32  assert_equals(frame.format, fmt, 'plane format');33  assert_equals(frame.colorSpace.primaries, 'bt709', 'color primaries');34  assert_equals(frame.colorSpace.transfer, 'bt709', 'color transfer');35  assert_equals(frame.colorSpace.matrix, 'bt709', 'color matrix');36  assert_false(frame.colorSpace.fullRange, 'color range');37  frame.close();38  let y = {offset: 0, stride: 4};39  let u = {offset: 8, stride: 2};40  let v = {offset: 10, stride: 2};41  assert_throws_js(TypeError, () => {42    let y = {offset: 0, stride: 1};43    let frame = new VideoFrame(data, {...vfInit, layout: [y, u, v]});44  }, 'y stride too small');45  assert_throws_js(TypeError, () => {46    let u = {offset: 8, stride: 1};47    let frame = new VideoFrame(data, {...vfInit, layout: [y, u, v]});48  }, 'u stride too small');49  assert_throws_js(TypeError, () => {50    let v = {offset: 10, stride: 1};51    let frame = new VideoFrame(data, {...vfInit, layout: [y, u, v]});52  }, 'v stride too small');53  assert_throws_js(TypeError, () => {54    let frame = new VideoFrame(data.slice(0, 8), vfInit);55  }, 'data too small');56}57function assert_buffer_equals(actual, expected) {58  assert_true(expected instanceof Uint8Array, 'actual instanceof Uint8Array');59  if (actual instanceof ArrayBuffer ||60      (typeof(SharedArrayBuffer) != 'undefined' &&61        actual instanceof SharedArrayBuffer)) {62    actual = new Uint8Array(actual);63  } else {64    assert_true(actual instanceof Uint8Array,65        'expected instanceof Uint8Array, ArrayBuffer, or SharedArrayBuffer');66  }67  assert_equals(actual.length, expected.length, 'buffer length');68  for (let i = 0; i < actual.length; i++) {69    if (actual[i] != expected[i]) {70      assert_equals(actual[i], expected[i], 'buffer contents at index ' + i);71    }72  }73}74function assert_layout_equals(actual, expected) {75  assert_equals(actual.length, expected.length, 'layout planes');76  for (let i = 0; i < actual.length; i++) {77    assert_object_equals(actual[i], expected[i], 'plane ' + i + ' layout');78  }79}80async function testI420_4x2_copyTo(destination) {81  const frame = makeI420_4x2();82  const expectedLayout = [83      {offset: 0, stride: 4},84      {offset: 8, stride: 2},85      {offset: 10, stride: 2},86  ];87  const expectedData = new Uint8Array([88      1, 2, 3, 4,  // y89      5, 6, 7, 8,90      9, 10,       // u91      11, 12       // v92  ]);93  assert_equals(frame.allocationSize(), expectedData.length, 'allocationSize()');94  const layout = await frame.copyTo(destination);95  assert_layout_equals(layout, expectedLayout);96  assert_buffer_equals(destination, expectedData);...

Using AI Code Generation

1const wptools = require('wptools');2const fs = require('fs');3const path = require('path');4const { spawn } = require('child_process');5const { createCanvas, loadImage } = require('canvas');6const canvas = createCanvas(1280, 720);7const ctx = canvas.getContext('2d');8const width = 1280;9const height = 720;10const data = ctx.getImageData(0, 0, width, height);11const data2 = ctx.getImageData(0, 0, width, height);

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var PNG = require('pngjs').PNG;4var request = require('request');5var options = {6};7request(options, function (error, response, body) {8    if (!error && response.statusCode == 200) {9        var stream = fs.createWriteStream("test.png");10        stream.write(body);11        stream.end();12        var png = new PNG({ filterType: 4 });13        png.on('parsed', function () {14            var data = wptools.i420Data(this.data, this.width, this.height);15            fs.writeFileSync('test.i420', data);16        });17        png.parse(body);18    }19});20var wptools = require('wptools');21var fs = require('fs');22var PNG = require('pngjs').PNG;23var request = require('request');24var options = {25};26request(options, function (error, response, body) {27    if (!error && response.statusCode == 200) {28        var stream = fs.createWriteStream("test.png");29        stream.write(body);30        stream.end();31        var png = new PNG({ filterType: 4 });32        png.on('parsed', function () {33            var data = wptools.i420File(this.data, this.width, this.height);34            fs.writeFileSync('test.i420', data);35        });36        png.parse(body);37    }38});39var wptools = require('wptools');40var fs = require('fs');41var PNG = require('pngjs').PNG;42var request = require('request');43var options = {44};45request(options, function (error, response, body) {46    if (!error && response.statusCode == 200) {47        var stream = fs.createWriteStream("test.png");48        stream.write(body);49        stream.end();

Using AI Code Generation

1var wptools = require('wptools');2test.getI420Data(function(err, data) {3    if (err) {4        console.log(err);5    } else {6        console.log(data);7    }8});9var wptools = require('wptools');10test.getI420Data(function(err, data) {11    if (err) {12        console.log(err);13    } else {14        console.log(data);15    }16});17var wptools = require('wptools');18test.getI420Data(function(err, data) {19    if (err) {20        console.log(err);21    } else {22        console.log(data);23    }24});25var wptools = require('wptools');26test.getI420Data(function(err, data) {27    if (err) {28        console.log(err);29    } else {30        console.log(data);31    }32});33var wptools = require('wptools');34test.getI420Data(function(err, data) {35    if (err) {36        console.log(err);37    } else {38        console.log(data);39    }40});41var wptools = require('wptools');42test.getI420Data(function(err, data) {43    if (err) {44        console.log(err);45    } else {46        console.log(data);47    }48});49var wptools = require('wptools');

Using AI Code Generation

1var wpt = require('wptdriver');2wpt.setOptions({i420:true});3  if (err) throw err;4  console.log(data);5});6var wpt = require('wptdriver');7wpt.setOptions({i420:true});8  if (err) throw err;9  console.log(data);10});11var wpt = require('wptdriver');12wpt.setOptions({i420:true});13  if (err) throw err;14  console.log(data);15});16var wpt = require('wptdriver');17wpt.setOptions({i420:true});18  if (err) throw err;19  console.log(data);20});21var wpt = require('wptdriver');22wpt.setOptions({i420:true});23  if (err) throw err;24  console.log(data);25});26var wpt = require('wptdriver');27wpt.setOptions({i420:true});28  if (err) throw err;29  console.log(data);30});31var wpt = require('wptdriver');32wpt.setOptions({i420:true});33  if (err) throw err;34  console.log(data);35});

Using AI Code Generation

1const wptools = require('wptools');2const wp = new wptools();3const fs = require('fs');4wp.setOutputDir('test');5wp.setOutputFormat('I420_DATA');6wp.setOutputFileName('test');7wp.setOutputFileType('yuv');8wp.setOutputFileExtension('yuv');9wp.setOutputFileBitDepth('8bit');10wp.setOutputFileColorSpace('YUV420');11wp.setOutputFileResolution('4K');12wp.setOutputFileDimension('4096x2160');13wp.setOutputFileAspectRatio('16:9');14wp.setOutputFileFramerate('24fps');15wp.setOutputFileCodec('h264');16wp.setOutputFileBitrate('8Mbps');17wp.setOutputFileQuality('100');18wp.setOutputFileBitrateMode('CBR');19wp.setOutputFileColorRange('Limited');20wp.setOutputFileColorPrimaries('BT709');21wp.setOutputFileColorTransfer('BT709');22wp.setOutputFileColorMatrix('BT709');23wp.setOutputFileChromaLocation('Left');24wp.setOutputFileChromaSubsampling('4:2:0');25wp.setOutputFileInterlaced('Progressive');26wp.setOutputFileTopFieldFirst('Top');27wp.setOutputFileAlphaChannel('No');28wp.setOutputFileAudio('No');29wp.setOutputFileAudioCodec('AAC');30wp.setOutputFileAudioBitrate('192Kbps');31wp.setOutputFileAudioSampleRate('44.1

Using AI Code Generation

1var wpt = require('webpagetest');2var wptClient = wpt('www.webpagetest.org');3});4var wpt = require('webpagetest');5var wptClient = wpt('www.webpagetest.org');6});7var wpt = require('webpagetest');8var wptClient = wpt('www.webpagetest.org');9});10var wpt = require('webpagetest');11var wptClient = wpt('www.webpagetest.org');12});13var wpt = require('webpagetest');14var wptClient = wpt('www.webpagetest.org');15});16var wpt = require('webpagetest');17var wptClient = wpt('www.webpagetest.org');

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