diff options
Diffstat (limited to 'src/components/spectrum.py')
| -rw-r--r-- | src/components/spectrum.py | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/src/components/spectrum.py b/src/components/spectrum.py index 32763c0..246b839 100644 --- a/src/components/spectrum.py +++ b/src/components/spectrum.py @@ -27,6 +27,8 @@ class Component(Component): self._image = BlankFrame(self.width, self.height) self.chunkSize = 4 * self.width * self.height self.changedOptions = True + self.previewSize = (214, 120) + self.previewPipe = None if hasattr(self.parent, 'window'): # update preview when audio file changes (if genericPreview is off) @@ -72,7 +74,8 @@ class Component(Component): if not changedSize \ and not self.changedOptions \ and self.previewFrame is not None: - log.debug('Comp #%s is reusing old preview frame' % self.compPos) + log.debug( + 'Spectrum #%s is reusing old preview frame' % self.compPos) return self.previewFrame frame = self.getPreviewFrame() @@ -86,6 +89,7 @@ class Component(Component): def preFrameRender(self, **kwargs): super().preFrameRender(**kwargs) + self.previewPipe.wait() self.updateChunksize() w, h = scale(self.scale, self.width, self.height, str) self.video = FfmpegVideo( @@ -141,18 +145,21 @@ class Component(Component): with open(logFilename, 'w') as logf: logf.write(" ".join(command) + '\n\n') with open(logFilename, 'a') as logf: - pipe = openPipe( + self.previewPipe = openPipe( command, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=logf, bufsize=10**8 ) - byteFrame = pipe.stdout.read(self.chunkSize) - closePipe(pipe) + byteFrame = self.previewPipe.stdout.read(self.chunkSize) + closePipe(self.previewPipe) frame = self.finalizeFrame(byteFrame) return frame def makeFfmpegFilter(self, preview=False, startPt=0): - w, h = scale(self.scale, self.width, self.height, str) + if preview: + w, h = self.previewSize + else: + w, h = (self.width, self.height) color = self.page.comboBox_color.currentText().lower() genericPreview = self.settings.value("pref_genericPreview") @@ -173,8 +180,7 @@ class Component(Component): 'showspectrum=s=%sx%s:slide=scroll:win_func=%s:' 'color=%s:scale=%s,' 'colorkey=color=black:similarity=0.1:blend=0.5' % ( - self.settings.value("outputWidth"), - self.settings.value("outputHeight"), + w, h, self.page.comboBox_window.currentText(), color, amplitude, ) @@ -197,8 +203,7 @@ class Component(Component): filter_ = ( 'ahistogram=r=%s:s=%sx%s:dmode=separate:ascale=%s:scale=%s' % ( self.settings.value("outputFrameRate"), - self.settings.value("outputWidth"), - self.settings.value("outputHeight"), + w, h, amplitude, display ) ) @@ -214,8 +219,7 @@ class Component(Component): m = self.page.comboBox_mode.currentText() filter_ = ( 'avectorscope=s=%sx%s:draw=%s:m=%s:scale=%s:zoom=%s' % ( - self.settings.value("outputWidth"), - self.settings.value("outputHeight"), + w, h, 'line'if self.draw else 'dot', m, amplitude, str(self.zoom), ) @@ -225,8 +229,7 @@ class Component(Component): 'showcqt=r=%s:s=%sx%s:count=30:text=0:tc=%s,' 'colorkey=color=black:similarity=0.1:blend=0.5 ' % ( self.settings.value("outputFrameRate"), - self.settings.value("outputWidth"), - self.settings.value("outputHeight"), + w, h, str(self.tc), ) ) @@ -235,28 +238,28 @@ class Component(Component): 'aphasemeter=r=%s:s=%sx%s:video=1 [atrash][vtmp1]; ' '[atrash] anullsink; ' '[vtmp1] colorkey=color=black:similarity=0.1:blend=0.5, ' - 'crop=in_w/8:in_h:(in_w/8)*7:0 '% ( + 'crop=in_w/8:in_h:(in_w/8)*7:0 ' % ( self.settings.value("outputFrameRate"), - self.settings.value("outputWidth"), - self.settings.value("outputHeight"), + w, h, ) ) return [ '-filter_complex', '%s%s%s%s [v1]; ' - '[v1] %sscale=%s:%s%s%s%s [v]' % ( + '[v1] %s%s%s%s%s [v]' % ( exampleSound() if preview and genericPreview else '[0:a] ', 'compand=gain=4,' if self.compress else '', 'aformat=channel_layouts=mono,' if self.mono else '', filter_, 'hflip, ' if self.mirror else '', - w, h, - ', hue=h=%s:s=10' % str(self.hue) if self.hue > 0 else '', - ', trim=start=%s:end=%s' % ( + 'trim=start=%s:end=%s, ' % ( "{0:.3f}".format(startPt + 12), "{0:.3f}".format(startPt + 12.5) ) if preview else '', + 'scale=%sx%s' % scale( + self.scale, self.width, self.height, str), + ', hue=h=%s:s=10' % str(self.hue) if self.hue > 0 else '', ', convolution=-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2:-2 ' '-1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2' if self.filterType == 3 else '' @@ -281,10 +284,7 @@ class Component(Component): self._image = image except ValueError: image = self._image - if self.scale != 100 \ - or self.x != 0 or self.y != 0: - frame = BlankFrame(self.width, self.height) - frame.paste(image, box=(self.x, self.y)) - else: - frame = image + + frame = BlankFrame(self.width, self.height) + frame.paste(image, box=(self.x, self.y)) return frame |