How to use getVideoSignal method in wpt

Best JavaScript code snippet using wpt

RTCPeerConnection-helper.js

Source:RTCPeerConnection-helper.js

...390    return track;391  }392};393// Get the signal from a video element inserted by createNoiseStream394function getVideoSignal(v) {395  if (v.videoWidth < 60 || v.videoHeight < 60) {396    throw new Error('getVideoSignal: video too small for test');397  }398  const canvas = document.createElement("canvas");399  canvas.width = canvas.height = 60;400  const context = canvas.getContext('2d');401  context.drawImage(v, 0, 0);402  // Extract pixel value at position 40, 40403  const pixel = context.getImageData(40, 40, 1, 1);404  // Use luma reconstruction to get back original value according to405  // ITU-R rec BT.709406  return (pixel.data[0] * 0.21 + pixel.data[1] * 0.72 + pixel.data[2] * 0.07);407}408async function detectSignal(t, v, value) {409  while (true) {410    const signal = getVideoSignal(v).toFixed();411    // allow off-by-two pixel error (observed in some implementations)412    if (value - 2 <= signal && signal <= value + 2) {413      return;414    }415    // We would like to wait for each new frame instead here,416    // but there seems to be no such callback.417    await new Promise(r => t.step_timeout(r, 100));418  }419}420// Generate a MediaStream bearing the specified tracks.421//422// @param {object} [caps]423// @param {boolean} [caps.audio] - flag indicating whether the generated stream424//                                 should include an audio track...

CartridgeV9990.js

Source:CartridgeV9990.js

...9        self.rom = rom;10    }11    this.connect = function(machine) {12        v9990.connect(machine, this);13        machine.getVideoSocket().connectExternalVideoSignal(v9990.getVideoSignal());14        // v7040 control port: GenLock, Superimpose, Mixed mode detection15        machine.bus.connectInputDevice( 0x6f, wmsx.DeviceMissing.inputPortIgnored);16        machine.bus.connectOutputDevice(0x6f, this.output6f);17    };18    this.disconnect = function(machine) {19        v9990.disconnect(machine);20        machine.getVideoSocket().disconnectExternalVideoSignal(v9990.getVideoSignal());21        machine.bus.disconnectInputDevice( 0x6f, wmsx.DeviceMissing.inputPortIgnored);22        machine.bus.disconnectOutputDevice(0x6f, this.output6f);23    };24    this.powerOn = function() {25        v9990.powerOn();26    };27    this.powerOff = function() {28        v9990.powerOff();29        this.resetOutputAutoMode();30    };31    this.reset = function() {32        v9990.reset();33        this.resetOutputAutoMode();34    };35    this.resetOutputAutoMode = function() {36        self.output6f(0x10);37    };38    this.v9990DisplayEnabled = function() {39        if (mode === 0) this.output6f(0);      // When in default mode (Internal) and V9990 is activated, set mode = 1 (V9990) automatically40    };41    this.output6f = function(val) {42        //console.log("v7040 Control:", val.toString(16));43        control = val;44        updateAutoMode();45    };46    function updateAutoMode() {47        switch (control & 0x1a) {48            case 0x10: case 0x12:           // GEN = 1, TRAN = 0, MIX = *49                mode = 0; break;            // Internal50            case 0x18:                      // GEN = 1, TRAN = 1, MIX = 051                mode = 2; break;            // Superimposed52            case 0x1a:                      // GEN = 1, TRAN = 1, MIX = 153                mode = 3; break;            // Mixed54            default:                        // GEN = 0, TRAN = *, MIX = *55                mode = 1; break;            // V999056        }57        v9990.getVideoSignal().setOutputAutoMode(mode);58    }59    this.rom = null;60    this.format = wmsx.SlotFormats.V9990;61    var v9990 = new wmsx.V9990();62    this.v9990 = v9990;63    var control = 0x10;64    var mode = 0;65    // Savestate  -------------------------------------------66    this.saveState = function() {67        var light = this.lightState();68        return {69            f: this.format.name,70            r: this.rom.saveState(),71            c: control,...

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var wp = new wptoolkit();3wp.getVideoSignal(function(err, data) {4    if (err) {5        console.log(err);6    } else {7        console.log(data);8    }9});10{11}12## getVideoResolution()13wp.getVideoResolution(callback);14var wptoolkit = require('wptoolkit');15var wp = new wptoolkit();16wp.getVideoResolution(function(err, data) {17    if (err) {18        console.log(err);19    } else {20        console.log(data);21    }22});23## getVideoColorspace()24wp.getVideoColorspace(callback);25var wptoolkit = require('wptoolkit');26var wp = new wptoolkit();27wp.getVideoColorspace(function(err, data) {28    if (err) {29        console.log(err);30    } else {31        console.log(data);32    }33});

Using AI Code Generation

1const Wptv = require('wptv');2const wptv = new Wptv();3wptv.getVideoSignal().then((res) => {4    console.log(res);5}).catch((err) => {6    console.log(err);7});8### 2.2.2. getVolume()9const Wptv = require('wptv');10const wptv = new Wptv();11wptv.getVolume().then((res) => {12    console.log(res);13}).catch((err) => {14    console.log(err);15});16### 2.2.3. getMute()17const Wptv = require('wptv');18const wptv = new Wptv();19wptv.getMute().then((res) => {20    console.log(res);21}).catch((err) => {22    console.log(err);23});24### 2.2.4. getChannelList()25const Wptv = require('wptv');26const wptv = new Wptv();27wptv.getChannelList().then((res) => {28    console.log(res);29}).catch((err) => {30    console.log(err);31});32### 2.2.5. getCurrentChannel()33const Wptv = require('wptv');34const wptv = new Wptv();35wptv.getCurrentChannel().then((res) => {36    console.log(res);37}).catch((err) => {38    console.log(err);39});40### 2.2.6. get3DStatus()41const Wptv = require('wptv');

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var wp = new wptoolkit();3wp.getVideoSignal(function(err, data) {4  if (err) throw err;5  console.log(data);6});

Using AI Code Generation

1var wptools = require('wptools');2var options = {3};4  if (err) {5    console.log(err);6  } else {7    console.log(videoInfo);8  }9});

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var signal = wptoolkit.getVideoSignal();3console.log(signal);4### getVideoSignal()5var wptoolkit = require('wptoolkit');6var signal = wptoolkit.getVideoSignal();7console.log(signal);8MIT © [Vladimir Kalita](

Using AI Code Generation

1var wptv = require('wptv');2var videoSignal = wptv.getVideoSignal();3console.log(videoSignal);4### wptv.getVideoSignal()5### wptv.setVideoSignal(videoSignal)6### wptv.getAudioSignal()7### wptv.setAudioSignal(audioSignal)

Using AI Code Generation

1var wptcService = require('wptcService');2var signal = wptcService.getVideoSignal();3console.log(signal);4### getVideoSignal()5var signal = wptcService.getVideoSignal();6console.log(signal);7### setVideoSignal(signal)8wptcService.setVideoSignal('HDMI');9### getAudioSignal()10var signal = wptcService.getAudioSignal();11console.log(signal);12### setAudioSignal(signal)13wptcService.setAudioSignal('HDMI');14### getVideoResolution()15var signal = wptcService.getVideoResolution();16console.log(signal);17### setVideoResolution(resolution)18wptcService.setVideoResolution('1080i');19### getVideoFormat()20var signal = wptcService.getVideoFormat();21console.log(signal);22### setVideoFormat(format)23wptcService.setVideoFormat('16:9');24### getVideoAspectRatio()25var signal = wptcService.getVideoAspectRatio();26console.log(signal);27### setVideoAspectRatio(ratio)28wptcService.setVideoAspectRatio('4:3');29### getVideoColor()30var signal = wptcService.getVideoColor();31console.log(signal);32### setVideoColor(color)33wptcService.setVideoColor('RGB');34### getVideoColorTemperature()35var signal = wptcService.getVideoColorTemperature();36console.log(signal);37### setVideoColorTemperature(temperature)

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