diff options
Diffstat (limited to 'src/components/spectrum.py')
| -rw-r--r-- | src/components/spectrum.py | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/src/components/spectrum.py b/src/components/spectrum.py index 89130a2..6675f5b 100644 --- a/src/components/spectrum.py +++ b/src/components/spectrum.py @@ -76,8 +76,6 @@ class Component(Component): else: self.page.checkBox_mono.setEnabled(True) - super().update() - def previewRender(self): changedSize = self.updateChunksize() if not changedSize \ @@ -100,7 +98,8 @@ class Component(Component): def preFrameRender(self, **kwargs): super().preFrameRender(**kwargs) - self.previewPipe.wait() + if self.previewPipe is not None: + self.previewPipe.wait() self.updateChunksize() w, h = scale(self.scale, self.width, self.height, str) self.video = FfmpegVideo( @@ -138,7 +137,7 @@ class Component(Component): '-r', self.settings.value("outputFrameRate"), '-ss', "{0:.3f}".format(startPt), '-i', - os.path.join(self.core.wd, 'background.png') + self.core.junkStream if genericPreview else inputFile, '-f', 'image2pipe', '-pix_fmt', 'rgba', @@ -150,15 +149,22 @@ class Component(Component): '-codec:v', 'rawvideo', '-', '-frames:v', '1', ]) - logFilename = os.path.join( - self.core.logDir, 'preview_%s.log' % str(self.compPos)) - log.debug('Creating ffmpeg process (log at %s)' % logFilename) - with open(logFilename, 'w') as logf: - logf.write(" ".join(command) + '\n\n') - with open(logFilename, 'a') as logf: + + if self.core.logEnabled: + logFilename = os.path.join( + self.core.logDir, 'preview_%s.log' % str(self.compPos)) + log.debug('Creating ffmpeg process (log at %s)' % logFilename) + with open(logFilename, 'w') as logf: + logf.write(" ".join(command) + '\n\n') + with open(logFilename, 'a') as logf: + self.previewPipe = openPipe( + command, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, + stderr=logf, bufsize=10**8 + ) + else: self.previewPipe = openPipe( command, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, - stderr=logf, bufsize=10**8 + stderr=subprocess.DEVNULL, bufsize=10**8 ) byteFrame = self.previewPipe.stdout.read(self.chunkSize) closePipe(self.previewPipe) |