diff options
Diffstat (limited to 'src/components/original.py')
| -rw-r--r-- | src/components/original.py | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/components/original.py b/src/components/original.py new file mode 100644 index 0000000..61f463d --- /dev/null +++ b/src/components/original.py @@ -0,0 +1,204 @@ +import numpy +from PIL import Image, ImageDraw +from PyQt5 import uic, QtGui, QtCore +from PyQt5.QtGui import QColor +import os +from . import __base__ +import time +from copy import copy + + +class Component(__base__.Component): + '''Original Audio Visualization''' + + modified = QtCore.pyqtSignal(int, dict) + + def widget(self, parent): + self.parent = parent + self.visColor = (255, 255, 255) + + page = uic.loadUi(os.path.join( + os.path.dirname(os.path.realpath(__file__)), 'original.ui')) + page.comboBox_visLayout.addItem("Classic") + page.comboBox_visLayout.addItem("Split") + page.comboBox_visLayout.addItem("Bottom") + page.comboBox_visLayout.setCurrentIndex(0) + page.comboBox_visLayout.currentIndexChanged.connect(self.update) + page.lineEdit_visColor.setText('%s,%s,%s' % self.visColor) + page.pushButton_visColor.clicked.connect(lambda: self.pickColor()) + btnStyle = "QPushButton { background-color : %s; outline: none; }" \ + % QColor(*self.visColor).name() + page.pushButton_visColor.setStyleSheet(btnStyle) + page.lineEdit_visColor.textChanged.connect(self.update) + self.page = page + self.canceled = False + return page + + def update(self): + self.layout = self.page.comboBox_visLayout.currentIndex() + self.visColor = self.RGBFromString(self.page.lineEdit_visColor.text()) + self.parent.drawPreview() + super().update() + + def loadPreset(self, pr, presetName=None): + super().loadPreset(pr, presetName) + + self.page.lineEdit_visColor.setText('%s,%s,%s' % pr['visColor']) + btnStyle = "QPushButton { background-color : %s; outline: none; }" \ + % QColor(*pr['visColor']).name() + self.page.pushButton_visColor.setStyleSheet(btnStyle) + self.page.comboBox_visLayout.setCurrentIndex(pr['layout']) + + def savePreset(self): + return { + 'preset': self.currentPreset, + 'layout': self.layout, + 'visColor': self.visColor, + } + + def previewRender(self, previewWorker): + spectrum = numpy.fromfunction( + lambda x: 0.008*(x-128)**2, (255,), dtype="int16") + width = int(previewWorker.core.settings.value('outputWidth')) + height = int(previewWorker.core.settings.value('outputHeight')) + return self.drawBars( + width, height, spectrum, self.visColor, self.layout) + + def preFrameRender(self, **kwargs): + super().preFrameRender(**kwargs) + self.smoothConstantDown = 0.08 + self.smoothConstantUp = 0.8 + self.lastSpectrum = None + self.spectrumArray = {} + self.width = int(self.worker.core.settings.value('outputWidth')) + self.height = int(self.worker.core.settings.value('outputHeight')) + + for i in range(0, len(self.completeAudioArray), self.sampleSize): + if self.canceled: + break + self.lastSpectrum = self.transformData( + i, self.completeAudioArray, self.sampleSize, + self.smoothConstantDown, self.smoothConstantUp, + self.lastSpectrum) + self.spectrumArray[i] = copy(self.lastSpectrum) + + progress = int(100*(i/len(self.completeAudioArray))) + if progress >= 100: + progress = 100 + pStr = "Analyzing audio: "+str(progress)+'%' + self.progressBarSetText.emit(pStr) + self.progressBarUpdate.emit(int(progress)) + + def frameRender(self, moduleNo, arrayNo, frameNo): + return self.drawBars( + self.width, self.height, + self.spectrumArray[arrayNo], + self.visColor, self.layout) + + def pickColor(self): + RGBstring, btnStyle = super().pickColor() + if not RGBstring: + return + self.page.lineEdit_visColor.setText(RGBstring) + self.page.pushButton_visColor.setStyleSheet(btnStyle) + + def transformData( + self, i, completeAudioArray, sampleSize, + smoothConstantDown, smoothConstantUp, lastSpectrum): + if len(completeAudioArray) < (i + sampleSize): + sampleSize = len(completeAudioArray) - i + + window = numpy.hanning(sampleSize) + data = completeAudioArray[i:i+sampleSize][::1] * window + paddedSampleSize = 2048 + paddedData = numpy.pad( + data, (0, paddedSampleSize - sampleSize), 'constant') + spectrum = numpy.fft.fft(paddedData) + sample_rate = 44100 + frequencies = numpy.fft.fftfreq(len(spectrum), 1./sample_rate) + + y = abs(spectrum[0:int(paddedSampleSize/2) - 1]) + + # filter the noise away + # y[y<80] = 0 + + y = 20 * numpy.log10(y) + y[numpy.isinf(y)] = 0 + + if lastSpectrum is not None: + lastSpectrum[y < lastSpectrum] = \ + y[y < lastSpectrum] * smoothConstantDown + \ + lastSpectrum[y < lastSpectrum] * (1 - smoothConstantDown) + + lastSpectrum[y >= lastSpectrum] = \ + y[y >= lastSpectrum] * smoothConstantUp + \ + lastSpectrum[y >= lastSpectrum] * (1 - smoothConstantUp) + else: + lastSpectrum = y + + x = frequencies[0:int(paddedSampleSize/2) - 1] + + return lastSpectrum + + def drawBars(self, width, height, spectrum, color, layout): + vH = height-height/8 + bF = width / 64 + bH = bF / 2 + bQ = bF / 4 + imTop = self.blankFrame(width, height) + draw = ImageDraw.Draw(imTop) + r, g, b = color + color2 = (r, g, b, 125) + + bP = height / 1200 + + for j in range(0, 63): + draw.rectangle(( + bH + j * bF, vH+bQ, bH + j * bF + bF, vH + bQ - + spectrum[j * 4] * bP - bH), fill=color2) + + draw.rectangle(( + bH + bQ + j * bF, vH, bH + bQ + j * bF + bH, vH - + spectrum[j * 4] * bP), fill=color) + + imBottom = imTop.transpose(Image.FLIP_TOP_BOTTOM) + + im = self.blankFrame(width, height) + + if layout == 0: + y = 0 - int(height/100*43) + im.paste(imTop, (0, y), mask=imTop) + y = 0 + int(height/100*43) + im.paste(imBottom, (0, y), mask=imBottom) + + if layout == 1: + y = 0 + int(height/100*10) + im.paste(imTop, (0, y), mask=imTop) + y = 0 - int(height/100*10) + im.paste(imBottom, (0, y), mask=imBottom) + + if layout == 2: + y = 0 + int(height/100*10) + im.paste(imTop, (0, y), mask=imTop) + + return im + + def command(self, arg): + if not arg.startswith('preset=') and '=' in arg: + key, arg = arg.split('=', 1) + if key == 'color': + self.page.lineEdit_visColor.setText(arg) + return + elif key == 'layout': + if arg == 'classic': + self.page.comboBox_visLayout.setCurrentIndex(0) + elif arg == 'split': + self.page.comboBox_visLayout.setCurrentIndex(1) + elif arg == 'bottom': + self.page.comboBox_visLayout.setCurrentIndex(2) + return + super().command(arg) + + def commandHelp(self): + print('Give a layout name:\n layout=[classic/split/bottom]') + print('Specify a color:\n color=255,255,255') |