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core.js
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core.js
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var WORK_Spectrum = true;
var WORK_Scope = true;
const StepVal = [1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000];
var SET_CanvasScaleH = DataGetIDefault("SET_CanvasScaleH", 1);
var SET_CanvasScaleV = DataGetIDefault("SET_CanvasScaleV", 1);
var SET_MinimumStep = DataGetIDefault("SET_MinimumStep", 6);
var SET_MaximumResolution = DataGetIDefault("SET_MaximumResolution", 9);
var SET_MinimumStepScroll = DataGetIDefault("SET_MinimumStepScroll", 8);
var SET_FFTWindow = DataGetIDefault("SET_FFTWindow", 3);
var SET_DrawGamma = DataGetIDefault("SET_DrawGamma", 2200);
var SET_ToolbarSize = DataGetIDefault("SET_ToolbarSize", 20);
var SET_ToolbarPosition = DataGetIDefault("SET_ToolbarPosition", 3);
var SET_DrawStripSize = DataGetIDefault("SET_DrawStripSize", 8);
var SET_DrawStripColorR = DataGetIDefault("SET_DrawStripColorR", 255);
var SET_DrawStripColorG = DataGetIDefault("SET_DrawStripColorG", 255);
var SET_DrawStripColorB = DataGetIDefault("SET_DrawStripColorB", 255);
var SET_DrawOverdriveThresholdI = DataGetIDefault("SET_DrawOverdriveThresholdI", 950);
var SET_DrawOverdriveThresholdO = DataGetIDefault("SET_DrawOverdriveThresholdO", 950);
var SET_DrawOverdriveColorA = DataGetIDefault("SET_DrawOverdriveColorA", 128);
var SET_DrawOverdriveColorR = DataGetIDefault("SET_DrawOverdriveColorR", 255);
var SET_DrawOverdriveColorG = DataGetIDefault("SET_DrawOverdriveColorG", 255);
var SET_DrawOverdriveColorB = DataGetIDefault("SET_DrawOverdriveColorB", 255);
var SET_SampleDecimation = DataGetIDefault("SET_SampleDecimation", 4);
var SET_ButtonFontSize = DataGetIDefault("SET_ButtonFontSize", 8);
var SET_DrawOrientation = DataGetIDefault("SET_DrawOrientation", 0);
var SET_FlipBand = DataGetBDefault("SET_FlipBand", false);
var SET_AudioModeR = DataGetIDefault("SET_AudioModeR", 0);
var SET_AudioGainR = DataGetIDefault("SET_AudioGainR", 1000);
var SET_AudioModeG = DataGetIDefault("SET_AudioModeG", 0);
var SET_AudioGainG = DataGetIDefault("SET_AudioGainG", 1000);
var SET_AudioModeB = DataGetIDefault("SET_AudioModeB", 0);
var SET_AudioGainB = DataGetIDefault("SET_AudioGainB", 1000);
var SET_AudioBufferLength = DataGetIDefault("SET_AudioBufferLength", 12);
var SET_BufLength = DataGetIDefault("SET_BufLength", 10000000);
var SET_BufTick = DataGetIDefault("SET_BufTick", 50);
var SET_WaveformBack = DataGetIDefault("SET_WaveformBack", 32);
var SET_WaveformFore = DataGetIDefault("SET_WaveformFore", 256);
var SET_AudioEchoCancellation = DataGetBDefault("SET_AudioEchoCancellation", false);
var SET_AudioNoiseSuppression = DataGetBDefault("SET_AudioNoiseSuppression", false);
var SET_AudioAutoGainControl_ = DataGetBDefault("SET_AudioAutoGainControl_", false);
var SET_AutoStart = DataGetIDefault("SET_AutoStart", 0);
var SET_AutoFullscreen = DataGetIDefault("SET_AutoFullscreen", 0);
var SET_ColorPicker = DataGetIDefault("SET_ColorPicker", 1);
var AudioGainR;
var AudioGainG;
var AudioGainB;
var SET_DrawOverdriveColorX = 255 - SET_DrawOverdriveColorA;
var WaveDisplayCanvasObject;
var WaveDisplayCanvasContext;
var WaveDisplayCanvasData;
var WaveDisplayCanvasDataR;
var WaveDisplayCanvasDataG;
var WaveDisplayCanvasDataB;
var WaveDisplayCanvasW = 1;
var WaveDisplayCanvasH = 1;
var WaveDisplayCanvasW_ = 1;
var WaveDisplayCanvasH_ = 1;
var WaveDisplayCanvasWX = 1;
var CanvasLine = 1;
var CanvasLineNum = 0;
var CurrentSamplerate = 0;
var CallbackLag = 0;
var Working = true;
var MemFreeIndex = new Array();
var MonoAudio = false;
var ThrAudioWork = false;
(function(window)
{
var Recorder = function(source, cfg)
{
var bufferLen = 1 << SET_AudioBufferLength;
this.context = source.context;
var AudioCh = MonoAudio ? 1 : 2;
if(!this.context.createScriptProcessor)
{
this.node = this.context.createJavaScriptNode(bufferLen, AudioCh, AudioCh);
}
else
{
this.node = this.context.createScriptProcessor(bufferLen, AudioCh, AudioCh);
}
var worker = new Worker(URL.createObjectURL(new Blob(["("+AudioWorker.toString()+")()"], {type: 'text/javascript'})));
// var worker = new Worker("worker.js");
worker.postMessage({
command: 'init',
config: {
sampleRate: this.context.sampleRate,
bufLen: SET_BufLength
}
});
var recording = false;
var currCallback;
this.node.onaudioprocess = function(e)
{
if (!recording) return;
while (ThrAudioWork)
{
}
ThrAudioWork = true;
var BufLen = e.inputBuffer.getChannelData(0).length;
var BufIChL = null;
var BufIChR = null;
if (PlaylistEnabled)
{
BufIChL = new Array(BufLen);
BufIChR = new Array(BufLen);
PlaylistGetSamples(BufLen, BufIChL, BufIChR);
}
else
{
BufIChL = e.inputBuffer.getChannelData(0);
BufIChR = e.inputBuffer.getChannelData(MonoAudio ? 0 : 1);
}
var BufOChL;
var BufOChR;
if (SET_FilterEnabled)
{
BufOChL = new Array(BufLen);
BufOChR = new Array(BufLen);
ProcessAudio(BufLen, BufIChL, BufIChR, BufOChL, BufOChR);
}
else
{
BufOChL = BufIChL;
BufOChR = BufIChR;
}
if (SET_AudioPlayerEnabled)
{
AudioPlayerPlay(BufLen, BufOChL, BufOChR);
}
worker.postMessage({
command: 'record',
buffer: [
BufIChL,
BufIChR,
BufOChL,
BufOChR
]
});
ThrAudioWork = false;
};
this.configure = function(cfg)
{
for (var prop in cfg)
{
if (cfg.hasOwnProperty(prop))
{
config[prop] = cfg[prop];
}
}
};
this.record = function()
{
recording = true;
};
this.stop = function()
{
recording = false;
};
this.pause = function(Pause_)
{
worker.postMessage({ command: 'pause', Pause: Pause_ });
};
this.datafree = function()
{
worker.postMessage({ command: 'free', N: MemFreeIndex });
};
this.clear = function()
{
worker.postMessage({ command: 'clear' });
};
this.SetCallback = function(cb)
{
currCallback = cb;
};
this.Msg = function(X)
{
worker.postMessage(X);
};
this.setstep = function(Step_)
{
worker.postMessage({ command: 'step', Step: Step_ });
};
worker.onmessage = function(e)
{
var blob = e.data;
try
{
currCallback(blob);
}
catch (err)
{
}
};
source.connect(this.node);
this.node.connect(this.context.destination); // if the script node is not connected to an output the "onaudioprocess" event is not triggered in chrome.
};
Recorder.setupDownload = function(blob, filename)
{
//var url = (window.URL || window.webkitURL).createObjectURL(blob);
//var link = document.getElementById("save");
//link.href = url;
//link.download = filename || 'output.wav';
};
window.Recorder = Recorder;
})(window);
window.AudioContext = window.AudioContext || window.webkitAudioContext;
var audioContext = null;
var audioInput = null;
var inputPoint = null;
var audioRecorder = null;
var rafID = null;
var canvasWidth, canvasHeight;
var recIndex = 0;
var DrawPointer = 0;
var DrawPaletteR = [];
var DrawPaletteG = [];
var DrawPaletteB = [];
var CanvasDrawStep = 1;
var CanvasDrawStepX = 0;
function InitPalette()
{
DrawPaletteR = [];
DrawPaletteG = [];
DrawPaletteB = [];
var I;
var Gamma = SET_DrawGamma / 1000.0;
Gamma = 1.0 / Gamma;
for (I = 0; I <= 70000; I++)
{
var R = I / 65536.0;
var G = I / 65536.0;
var B = I / 65536.0;
R = Math.pow(R, Gamma);
G = Math.pow(G, Gamma);
B = Math.pow(B, Gamma);
R = R * 255.0;
G = G * 255.0;
B = B * 255.0;
if (R < 0) { R = 0; }
if (G < 0) { G = 0; }
if (B < 0) { B = 0; }
if (R > 255) { R = 255; }
if (G > 255) { G = 255; }
if (B > 255) { B = 255; }
DrawPaletteR.push(Math.round(R));
DrawPaletteG.push(Math.round(G));
DrawPaletteB.push(Math.round(B));
}
}
function AudioCallbackDummy()
{
var buffers = [];
buffers.push(0);
buffers.push(0);
buffers.push(0);
buffers.push([0, 0]);
buffers.push([]);
buffers.push([]);
buffers.push(0);
buffers.push([]);
buffers.push([]);
AudioCallback(buffers);
}
var IsRecording = false;
var IsPaused = false;
function Pause()
{
if (IsRecording)
{
if (IsPaused)
{
IsPaused = false;
}
else
{
IsPaused = true;
}
audioRecorder.pause(IsPaused);
}
else
{
ToggleRecording();
}
}
function ToggleRecording()
{
if (IsRecording)
{
IsRecording = false;
audioRecorder.stop();
audioInput.disconnect(inputPoint);
Stream_.getTracks().forEach(track => track.stop());
}
else
{
if (!audioContext)
{
audioContext = new AudioContext();
}
IsPaused = false;
AudioStarted = false;
//if (!navigator.getUserMedia)
//{
// navigator.getUserMedia = navigator.webkitGetUserMedia || navigator.mozGetUserMedia;
//}
//if (!navigator.cancelAnimationFrame)
//{
// navigator.cancelAnimationFrame = navigator.webkitCancelAnimationFrame || navigator.mozCancelAnimationFrame;
//}
//if (!navigator.requestAnimationFrame)
//{
// navigator.requestAnimationFrame = navigator.webkitRequestAnimationFrame || navigator.mozRequestAnimationFrame;
//}
document.getElementById("AppBlock").style.display = "block";
navigator.mediaDevices.getUserMedia(
{
"audio": {
"echoCancellation": SET_AudioEchoCancellation,
"noiseSuppression": SET_AudioNoiseSuppression,
"autoGainControl": SET_AudioAutoGainControl_,
"channelCount": 2
},
"video": false
}).then(gotStream).catch(function(e) {
alert("Error getting audio");
document.getElementById("AppBlock").style.display = "none";
console.log(e);
});
}
}
var Stream_;
function gotStream(stream)
{
Stream_ = stream;
inputPoint = audioContext.createGain();
// Create an AudioNode from the stream.
audioInput = audioContext.createMediaStreamSource(stream);
audioInput.connect(inputPoint);
audioRecorder = new Recorder(inputPoint);
audioRecorder.SetCallback(AudioCallback);
CurrentSamplerate = audioContext.sampleRate;
MarkerCalc();
InitPalette();
SetFFT();
SetScope();
IsRecording = true;
Working = true;
audioRecorder.clear();
audioRecorder.record();
AudioPlayerInit();
document.getElementById("AppBlock").style.display = "none";
}
function ToggleFullScreen()
{
var VideoElement = document.getElementById("app");
if (!document.mozFullScreen && !document.webkitIsFullScreen && !document.fullscreen)
{
if (VideoElement.mozRequestFullScreen)
{
VideoElement.mozRequestFullScreen();
}
else
{
if (VideoElement.webkitRequestFullScreen)
{
VideoElement.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
}
else
{
if (VideoElement.requestFullscreen)
{
VideoElement.requestFullscreen();
}
}
}
}
else
{
if (document.mozCancelFullScreen)
{
document.mozCancelFullScreen();
}
else
{
if (document.webkitCancelFullScreen)
{
document.webkitCancelFullScreen();
}
else
{
if (document.exitFullscreen)
{
document.exitFullscreen();
}
}
}
}
}
function SpectrogramSetLayout()
{
var Tools = document.getElementsByClassName('tool');
for(var i=0; i<Tools.length; i++)
{
Tools[i].style["font-size"] = SET_ButtonFontSize + "pt";
}
ScaleSetToolbar();
var ToolbarH1 = document.getElementById("AppSpectrogramToolbarH1");
var ToolbarV1 = document.getElementById("AppSpectrogramToolbarV1");
var ToolbarH2 = document.getElementById("AppSpectrogramToolbarH2");
var ToolbarV2 = document.getElementById("AppSpectrogramToolbarV2");
ToolbarH1.style["display"] = "none";
ToolbarV1.style["display"] = "none";
ToolbarH2.style["display"] = "none";
ToolbarV2.style["display"] = "none";
var ToolbarH;
var ToolbarV;
var SET_ToolbarPositionX = 0;
if ((SET_ToolbarPosition >= 1) && (SET_ToolbarPosition <= 4))
{
SET_ToolbarPositionX = SET_ToolbarPosition;
ToolbarH = ToolbarH1;
ToolbarV = ToolbarV1;
}
if ((SET_ToolbarPosition >= 5) && (SET_ToolbarPosition <= 8))
{
SET_ToolbarPositionX = SET_ToolbarPosition - 4;
ToolbarH = ToolbarH2;
ToolbarV = ToolbarV2;
}
switch (SET_ToolbarPositionX)
{
case 1: // Top
AppSpectrogramM.style["width"] = 100 + "%";
AppSpectrogramM.style["height"] = (100 - SET_ToolbarSize) + "%";
AppSpectrogramT1.style["height"] = SET_ToolbarSize + "%";
AppSpectrogramT1.style["display"] = "block";
AppSpectrogramT2.style["display"] = "none";
AppSpectrogramT3.style["display"] = "none";
AppSpectrogramT4.style["display"] = "none";
AppSpectrogramT1.appendChild(ToolbarH);
ToolbarH.style["display"] = "block";
break;
case 2: // Bottom
AppSpectrogramM.style["width"] = 100 + "%";
AppSpectrogramM.style["height"] = (100 - SET_ToolbarSize) + "%";
AppSpectrogramT4.style["height"] = SET_ToolbarSize + "%";
AppSpectrogramT1.style["display"] = "none";
AppSpectrogramT2.style["display"] = "none";
AppSpectrogramT3.style["display"] = "none";
AppSpectrogramT4.style["display"] = "block";
AppSpectrogramT4.appendChild(ToolbarH);
ToolbarH.style["display"] = "block";
break;
case 3: // Right
AppSpectrogramM.style["width"] = (100 - SET_ToolbarSize) + "%";
AppSpectrogramM.style["height"] = 100 + "%";
AppSpectrogramT3.style["width"] = SET_ToolbarSize + "%";
AppSpectrogramT1.style["display"] = "none";
AppSpectrogramT2.style["display"] = "none";
AppSpectrogramT3.style["display"] = "block";
AppSpectrogramT4.style["display"] = "none";
AppSpectrogramT3.appendChild(ToolbarV);
ToolbarV.style["display"] = "block";
break;
case 4: // Left
AppSpectrogramM.style["width"] = (100 - SET_ToolbarSize) + "%";
AppSpectrogramM.style["height"] = 100 + "%";
AppSpectrogramT2.style["width"] = SET_ToolbarSize + "%";
AppSpectrogramT1.style["display"] = "none";
AppSpectrogramT2.style["display"] = "block";
AppSpectrogramT3.style["display"] = "none";
AppSpectrogramT4.style["display"] = "none";
AppSpectrogramT2.appendChild(ToolbarV);
ToolbarV.style["display"] = "block";
break;
default:
AppSpectrogramM.style["width"] = 100 + "%";
AppSpectrogramM.style["height"] = 100 + "%";
AppSpectrogramT1.style["display"] = "none";
AppSpectrogramT2.style["display"] = "none";
AppSpectrogramT3.style["display"] = "none";
AppSpectrogramT4.style["display"] = "none";
break;
}
WaveDisplayCanvasObject = document.getElementById("wavedisplay");
WaveDisplayCanvasContext = WaveDisplayCanvasObject.getContext('2d');
WaveDisplayCanvasW = Math.floor(document.getElementById("AppSpectrogramM").clientWidth / SET_CanvasScaleH);
WaveDisplayCanvasH = Math.floor(document.getElementById("AppSpectrogramM").clientHeight / SET_CanvasScaleV);
//if ((WaveDisplayCanvasW % 2) != 0) { WaveDisplayCanvasW--; }
//if ((WaveDisplayCanvasH % 2) != 0) { WaveDisplayCanvasH--; }
if (WaveDisplayCanvasW < 1) { WaveDisplayCanvasW = 1; }
if (WaveDisplayCanvasH < 1) { WaveDisplayCanvasH = 1; }
WaveDisplayCanvasObject.width = WaveDisplayCanvasW;
WaveDisplayCanvasObject.height = WaveDisplayCanvasH;
WaveDisplayCanvasObject.style["width"] = Math.floor(WaveDisplayCanvasW * SET_CanvasScaleH) + "px";
WaveDisplayCanvasObject.style["height"] = Math.floor(WaveDisplayCanvasH * SET_CanvasScaleV) + "px";
WaveDisplayCanvasData = WaveDisplayCanvasContext.createImageData(WaveDisplayCanvasW, WaveDisplayCanvasH);
DrawClear(WaveDisplayCanvasData, WaveDisplayCanvasW, WaveDisplayCanvasH);
WaveDisplayCanvasW_ = WaveDisplayCanvasW;
WaveDisplayCanvasH_ = WaveDisplayCanvasH;
if (DrawSet(SET_DrawOrientation))
{
CanvasLine = WaveDisplayCanvasW;
WaveDisplayCanvasW = WaveDisplayCanvasH;
WaveDisplayCanvasH = CanvasLine;
}
if ((DISP_Mode == 0) || (DISP_Mode == 2))
{
CanvasLine = Math.floor(WaveDisplayCanvasH / DISP_Line);
}
if (DISP_Mode == 1)
{
CanvasLine = Math.floor(WaveDisplayCanvasH / (DISP_Line * 2));
}
if (audioRecorder)
{
SetFFT();
SetScope();
}
DispLayout();
SetLabels();
if ((WaveDisplayCanvasW <= 0) || (WaveDisplayCanvasH <= 0))
{
SettingsShow();
}
}
function Limit(Val, ValMin, ValMax)
{
if (isNaN(Val))
{
Val = 0;
}
if (Val < ValMin) { return ValMin; }
if (Val > ValMax) { return ValMax; }
return Math.floor(Val);
}
var DISP_Gain = 7;
var DISP_Reso = 4;
var DISP_Wind = 40;
var DISP_Zoom = 0;
var DISP_Offs = 0;
var DISP_Step = 6;
var DISP_Base = 0;
var DISP_MiMa = 0;
var DISP_Line = 1;
var DISP_Mode = 0;
var DISP_VU__ = 0;
if (DataExists("DISP_Gain")) { DISP_Gain = parseInt(DataGet("DISP_Gain")); }
if (DataExists("DISP_Reso")) { DISP_Reso = parseInt(DataGet("DISP_Reso")); }
if (DataExists("DISP_Wind")) { DISP_Wind = parseInt(DataGet("DISP_Wind")); }
if (DataExists("DISP_Zoom")) { DISP_Zoom = parseInt(DataGet("DISP_Zoom")); }
if (DataExists("DISP_Offs")) { DISP_Offs = parseInt(DataGet("DISP_Offs")); }
if (DataExists("DISP_Step")) { DISP_Step = parseInt(DataGet("DISP_Step")); }
if (DataExists("DISP_Base")) { DISP_Base = parseInt(DataGet("DISP_Base")); }
if (DataExists("DISP_MiMa")) { DISP_MiMa = parseInt(DataGet("DISP_MiMa")); }
if (DataExists("DISP_Line")) { DISP_Line = parseInt(DataGet("DISP_Line")); }
if (DataExists("DISP_Mode")) { DISP_Mode = parseInt(DataGet("DISP_Mode")); }
if (DataExists("DISP_VU__")) { DISP_VU__ = parseInt(DataGet("DISP_VU__")); }
function SetLabels()
{
var DISP_Gain_ = Math.pow(2, DISP_Gain);
var DISP_Reso_ = Math.pow(2, DISP_Reso + 5);
var DISP_Wind_ = "";
switch (DISP_Wind)
{
case 16: DISP_Wind_ = "1/64.00"; break;
case 17: DISP_Wind_ = "1/53.82"; break;
case 18: DISP_Wind_ = "1/45.25"; break;
case 19: DISP_Wind_ = "1/38.05"; break;
case 20: DISP_Wind_ = "1/32.00"; break;
case 21: DISP_Wind_ = "1/26.91"; break;
case 22: DISP_Wind_ = "1/22.63"; break;
case 23: DISP_Wind_ = "1/19.03"; break;
case 24: DISP_Wind_ = "1/16.00"; break;
case 25: DISP_Wind_ = "1/13.45"; break;
case 26: DISP_Wind_ = "1/11.31"; break;
case 27: DISP_Wind_ = "1/9.51"; break;
case 28: DISP_Wind_ = "1/8.00"; break;
case 29: DISP_Wind_ = "1/6.73"; break;
case 30: DISP_Wind_ = "1/5.66"; break;
case 31: DISP_Wind_ = "1/4.76"; break;
case 32: DISP_Wind_ = "1/4.00"; break;
case 33: DISP_Wind_ = "1/3.36"; break;
case 34: DISP_Wind_ = "1/2.83"; break;
case 35: DISP_Wind_ = "1/2.38"; break;
case 36: DISP_Wind_ = "1/2.00"; break;
case 37: DISP_Wind_ = "1/1.68"; break;
case 38: DISP_Wind_ = "1/1.41"; break;
case 39: DISP_Wind_ = "1/1.19"; break;
case 40: DISP_Wind_ = "1/1.00"; break;
}
var DISP_Zoom_ = Math.pow(2, DISP_Zoom + 9);
var DISP_Offs_ = DISP_Offs + "/64";
var DISP_Step_ = Math.pow(2, DISP_Step);
var DISP_Base_ = DISP_Base + "/64";
var DISP_MiMa_ = DISP_MiMa;
var DISP_Line_ = DISP_Line;
var LabelDisp = "Disp\n";
if (DISP_Mode == 0) { LabelDisp += "Normal\n"; }
if (DISP_Mode == 1) { LabelDisp += "Half\n"; }
if (DISP_Mode == 2) { LabelDisp += "Scroll\n"; }
if (DISP_VU__ == 0) { LabelDisp += "Spec"; }
if (DISP_VU__ == 1) { LabelDisp += "Wave"; }
if (DISP_VU__ == 2) { LabelDisp += "Vol"; }
var LabelPause = (IsPaused ? "Resume" : "Pause");
document.getElementById("BtnH1GainUp").innerText = "G+\n" + DISP_Gain_;
document.getElementById("BtnV1GainUp").innerText = "G+\n" + DISP_Gain_;
document.getElementById("BtnH2GainUp").innerText = "G+\n" + DISP_Gain_;
document.getElementById("BtnV2GainUp").innerText = "G+\n" + DISP_Gain_;
document.getElementById("BtnH1GainDn").innerText = "G-\n" + DISP_Gain_;
document.getElementById("BtnV1GainDn").innerText = "G-\n" + DISP_Gain_;
document.getElementById("BtnH2GainDn").innerText = "G-\n" + DISP_Gain_;
document.getElementById("BtnV2GainDn").innerText = "G-\n" + DISP_Gain_;
document.getElementById("BtnH1ResoUp").innerText = "R+\n" + DISP_Reso_;
document.getElementById("BtnV1ResoUp").innerText = "R+\n" + DISP_Reso_;
document.getElementById("BtnH2ResoUp").innerText = "R+\n" + DISP_Reso_;
document.getElementById("BtnV2ResoUp").innerText = "R+\n" + DISP_Reso_;
document.getElementById("BtnH1ResoDn").innerText = "R-\n" + DISP_Reso_;
document.getElementById("BtnV1ResoDn").innerText = "R-\n" + DISP_Reso_;
document.getElementById("BtnH2ResoDn").innerText = "R-\n" + DISP_Reso_;
document.getElementById("BtnV2ResoDn").innerText = "R-\n" + DISP_Reso_;
document.getElementById("BtnH1WindUp").innerText = "W+\n" + DISP_Wind_;
document.getElementById("BtnV1WindUp").innerText = "W+\n" + DISP_Wind_;
document.getElementById("BtnH2WindUp").innerText = "W+\n" + DISP_Wind_;
document.getElementById("BtnV2WindUp").innerText = "W+\n" + DISP_Wind_;
document.getElementById("BtnH1WindDn").innerText = "W-\n" + DISP_Wind_;
document.getElementById("BtnV1WindDn").innerText = "W-\n" + DISP_Wind_;
document.getElementById("BtnH2WindDn").innerText = "W-\n" + DISP_Wind_;
document.getElementById("BtnV2WindDn").innerText = "W-\n" + DISP_Wind_;
document.getElementById("BtnH1ZoomUp").innerText = "Z+\n" + DISP_Zoom_;
document.getElementById("BtnV1ZoomUp").innerText = "Z+\n" + DISP_Zoom_;
document.getElementById("BtnH2ZoomUp").innerText = "Z+\n" + DISP_Zoom_;
document.getElementById("BtnV2ZoomUp").innerText = "Z+\n" + DISP_Zoom_;
document.getElementById("BtnH1ZoomDn").innerText = "Z-\n" + DISP_Zoom_;
document.getElementById("BtnV1ZoomDn").innerText = "Z-\n" + DISP_Zoom_;
document.getElementById("BtnH2ZoomDn").innerText = "Z-\n" + DISP_Zoom_;
document.getElementById("BtnV2ZoomDn").innerText = "Z-\n" + DISP_Zoom_;
document.getElementById("BtnH1OffsUp").innerText = "O+\n" + DISP_Offs_;
document.getElementById("BtnV1OffsUp").innerText = "O+\n" + DISP_Offs_;
document.getElementById("BtnH2OffsUp").innerText = "O+\n" + DISP_Offs_;
document.getElementById("BtnV2OffsUp").innerText = "O+\n" + DISP_Offs_;
document.getElementById("BtnH1OffsDn").innerText = "O-\n" + DISP_Offs_;
document.getElementById("BtnV1OffsDn").innerText = "O-\n" + DISP_Offs_;
document.getElementById("BtnH2OffsDn").innerText = "O-\n" + DISP_Offs_;
document.getElementById("BtnV2OffsDn").innerText = "O-\n" + DISP_Offs_;
document.getElementById("BtnH1StepUp").innerText = "S+\n" + DISP_Step_;
document.getElementById("BtnV1StepUp").innerText = "S+\n" + DISP_Step_;
document.getElementById("BtnH2StepUp").innerText = "S+\n" + DISP_Step_;
document.getElementById("BtnV2StepUp").innerText = "S+\n" + DISP_Step_;
document.getElementById("BtnH1StepDn").innerText = "S-\n" + DISP_Step_;
document.getElementById("BtnV1StepDn").innerText = "S-\n" + DISP_Step_;
document.getElementById("BtnH2StepDn").innerText = "S-\n" + DISP_Step_;
document.getElementById("BtnV2StepDn").innerText = "S-\n" + DISP_Step_;
document.getElementById("BtnH1BaseUp").innerText = "B+\n" + DISP_Base_;
document.getElementById("BtnV1BaseUp").innerText = "B+\n" + DISP_Base_;
document.getElementById("BtnH2BaseUp").innerText = "B+\n" + DISP_Base_;
document.getElementById("BtnV2BaseUp").innerText = "B+\n" + DISP_Base_;
document.getElementById("BtnH1BaseDn").innerText = "B-\n" + DISP_Base_;
document.getElementById("BtnV1BaseDn").innerText = "B-\n" + DISP_Base_;
document.getElementById("BtnH2BaseDn").innerText = "B-\n" + DISP_Base_;
document.getElementById("BtnV2BaseDn").innerText = "B-\n" + DISP_Base_;
document.getElementById("BtnH1MiMaUp").innerText = "M+\n" + DISP_MiMa_;
document.getElementById("BtnV1MiMaUp").innerText = "M+\n" + DISP_MiMa_;
document.getElementById("BtnH2MiMaUp").innerText = "M+\n" + DISP_MiMa_;
document.getElementById("BtnV2MiMaUp").innerText = "M+\n" + DISP_MiMa_;
document.getElementById("BtnH1MiMaDn").innerText = "M-\n" + DISP_MiMa_;
document.getElementById("BtnV1MiMaDn").innerText = "M-\n" + DISP_MiMa_;
document.getElementById("BtnH2MiMaDn").innerText = "M-\n" + DISP_MiMa_;
document.getElementById("BtnV2MiMaDn").innerText = "M-\n" + DISP_MiMa_;
document.getElementById("BtnH1LineUp").innerText = "L+\n" + DISP_Line_;
document.getElementById("BtnV1LineUp").innerText = "L+\n" + DISP_Line_;
document.getElementById("BtnH2LineUp").innerText = "L+\n" + DISP_Line_;
document.getElementById("BtnV2LineUp").innerText = "L+\n" + DISP_Line_;
document.getElementById("BtnH1LineDn").innerText = "L-\n" + DISP_Line_;
document.getElementById("BtnV1LineDn").innerText = "L-\n" + DISP_Line_;
document.getElementById("BtnH2LineDn").innerText = "L-\n" + DISP_Line_;
document.getElementById("BtnV2LineDn").innerText = "L-\n" + DISP_Line_;
document.getElementById("BtnH1Mode__").innerText = LabelDisp;
document.getElementById("BtnV1Mode__").innerText = LabelDisp;
document.getElementById("BtnH2Mode__").innerText = LabelDisp;
document.getElementById("BtnV2Mode__").innerText = LabelDisp;
document.getElementById("BtnH1Paus__").innerText = LabelPause;
document.getElementById("BtnV1Paus__").innerText = LabelPause;
document.getElementById("BtnH2Paus__").innerText = LabelPause;
document.getElementById("BtnV2Paus__").innerText = LabelPause;
}
function FFTWindow(X)
{
switch (X)
{
case 16: return 16;
case 17: return 19;
case 18: return 23;
case 19: return 27;
case 20: return 32;
case 21: return 38;
case 22: return 45;
case 23: return 54;
case 24: return 64;
case 25: return 76;
case 26: return 91;
case 27: return 108;
case 28: return 128;
case 29: return 152;
case 30: return 181;
case 31: return 215;
case 32: return 256;
case 33: return 304;
case 34: return 362;
case 35: return 431;
case 36: return 512;
case 37: return 609;
case 38: return 724;
case 39: return 861;
case 40: return 1024;
default: return 1024;
}
}
function SetFFT()
{
AudioGainR = (SET_AudioGainR * 65536.0) / 1000.0;
AudioGainG = (SET_AudioGainG * 65536.0) / 1000.0;
AudioGainB = (SET_AudioGainB * 65536.0) / 1000.0;
var Gain_ = Math.pow(2, DISP_Gain);
var MinMax_ = DISP_MiMa;
var FFT_ = Math.pow(2, DISP_Reso + 6);
var Win_ = FFTWindow(DISP_Wind);
var RealMinimumStep = Math.max(3, SET_MinimumStep - SET_MaximumResolution + DISP_Reso + 5);
if (DISP_Mode == 2)
{
if (RealMinimumStep < SET_MinimumStepScroll)
{
RealMinimumStep = SET_MinimumStepScroll;
}
}
var Step_ = Math.pow(2, Math.max(DISP_Step, RealMinimumStep));
var Base_ = DISP_Base;
var CanvasDrawStepX_ = CanvasDrawStepX;
var AudioModeVal = 0;
if ((SET_AudioModeR == 0) || (SET_AudioModeG == 0) || (SET_AudioModeB == 0)) { AudioModeVal = AudioModeVal + 1; }
if ((SET_AudioModeR == 1) || (SET_AudioModeG == 1) || (SET_AudioModeB == 1)) { AudioModeVal = AudioModeVal + 2; }
if ((SET_AudioModeR == 2) || (SET_AudioModeG == 2) || (SET_AudioModeB == 2)) { AudioModeVal = AudioModeVal + 4; }
if ((SET_AudioModeR == 3) || (SET_AudioModeG == 3) || (SET_AudioModeB == 3)) { AudioModeVal = AudioModeVal + 8; }
if ((SET_AudioModeR == 4) || (SET_AudioModeG == 4) || (SET_AudioModeB == 4)) { AudioModeVal = AudioModeVal + 16; }
if ((SET_AudioModeR == 5) || (SET_AudioModeG == 5) || (SET_AudioModeB == 5)) { AudioModeVal = AudioModeVal + 32; }
if ((SET_AudioModeR == 6) || (SET_AudioModeG == 6) || (SET_AudioModeB == 6)) { AudioModeVal = AudioModeVal + 64; }
if ((SET_AudioModeR == 7) || (SET_AudioModeG == 7) || (SET_AudioModeB == 7)) { AudioModeVal = AudioModeVal + 128; }
if (DISP_Step >= RealMinimumStep)
{
CanvasDrawStep = 1;
CanvasDrawStepX = 0;
}
else
{
CanvasDrawStep = Math.pow(2, RealMinimumStep - DISP_Step);
CanvasDrawStepX = RealMinimumStep - DISP_Step;
}
if (CanvasDrawStepX_ < CanvasDrawStepX)
{
DrawPointer = Math.floor(DrawPointer >> (CanvasDrawStepX - CanvasDrawStepX_));
}
if (CanvasDrawStepX_ > CanvasDrawStepX)
{
DrawPointer = Math.floor(DrawPointer << (CanvasDrawStepX_ - CanvasDrawStepX));
}
WaveDisplayCanvasWX = Math.ceil((WaveDisplayCanvasW >> CanvasDrawStepX));
if (IsPaused)
{
AudioCallbackDummy();
}
var FFTDecimation = 1;
var FFTDecimationX = DISP_Reso - DISP_Zoom - 4;
if (FFTDecimationX > 0)
{
FFTDecimation = 1 << FFTDecimationX;
}
MarkerCalc();
var RealDispSize = DisplayMaxPos();
if ((RealDispSize < Math.ceil(SET_SaveLength / CanvasDrawStep)) && (SET_SaveEnabled == 2))
{
RealDispSize = Math.ceil(SET_SaveLength / CanvasDrawStep);
}
SaveInfo();
audioRecorder.Msg({ command: 'fft', WORK_Spectrum: WORK_Spectrum, DispMode: DISP_VU__, FFT: FFT_, Win: Win_, FFTWin: SET_FFTWindow, FFTDecimation: FFTDecimation, MinMax: MinMax_, Gain: Gain_, Step: Step_, Base: Base_, Decimation: SET_SampleDecimation, AudioMode: AudioModeVal, DispSize: RealDispSize, BufTick: Math.ceil(SET_BufTick / CanvasDrawStep), Log: SET_DrawLog, LogBase: SET_DrawLogBase / 1000, LogFactor: SET_DrawLogFactor / 1000, LogOffset: SET_DrawLogOffset / 1000, WFBack: SET_WaveformBack, WFFore: SET_WaveformFore });
}
function DisplayMaxPos()
{
return (DISP_Line * WaveDisplayCanvasWX) - Math.ceil(SET_DrawStripSize / CanvasDrawStep) + 1;
}
function SetScope()
{
if (DrawOrientationRot(SET_ScopeOrientation))
{
SET_ScopeW_ = SET_ScopeH;
SET_ScopeH_ = SET_ScopeW;
}
else
{
SET_ScopeW_ = SET_ScopeW;
SET_ScopeH_ = SET_ScopeH;
}
var _ScopeI = false;
var _ScopeO = false;
if (WORK_Scope)
{
if ((SET_ScopeAudioR == 1) || (SET_ScopeAudioG == 1) || (SET_ScopeAudioB == 1))
{
_ScopeI = true;
}
if ((SET_ScopeAudioR == 2) || (SET_ScopeAudioG == 2) || (SET_ScopeAudioB == 2))
{
_ScopeO = true;
}
}
if (audioRecorder)
{
audioRecorder.Msg({ command: 'scope', WORK_ScopeI: _ScopeI, WORK_ScopeO: _ScopeO, SET_ScopeW: SET_ScopeW_, SET_ScopeH: SET_ScopeH_, SET_ScopeFactor: SET_ScopeFactor, SET_ScopeGainX: SET_ScopeGainX, SET_ScopeGainY: SET_ScopeGainY, SET_ScopeGainZ: SET_ScopeGainZ, SET_ScopePlotMidSide: SET_ScopePlotMidSide, SET_ScopeDimming: SET_ScopeDimming, SET_ScopePixelFactor: SET_ScopePixelFactor });
}
}
function BtnAction(Btn)
{
var Temp;
switch (Btn)
{
case 0:
SettingsShow();
break;
case 10:
DISP_Gain = Limit(DISP_Gain - 1, 0, 20);
SetFFT();
break;
case 11:
DISP_Gain = Limit(DISP_Gain + 1, 0, 20);
SetFFT();
break;
case 12:
DISP_Reso = Limit(DISP_Reso - 1, 0, 8);
SetFFT();
break;
case 13:
DISP_Reso = Limit(DISP_Reso + 1, 0, 8);
SetFFT();
break;
case 14:
DISP_Wind = Limit(DISP_Wind - 1, 16, 40);
SetFFT();
break;
case 15:
DISP_Wind = Limit(DISP_Wind + 1, 16, 40);
SetFFT();
break;
case 16:
DISP_Zoom = Limit(DISP_Zoom - 1, -4, 4);
SetFFT();
break;
case 17:
DISP_Zoom = Limit(DISP_Zoom + 1, -4, 4);
SetFFT();
break;
case 18: