use aac if libfdk_aac not installed
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2efa4cdcb0
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5fd95ee242
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@ -31,7 +31,14 @@ class Worker(QtCore.QObject):
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completeAudioArray = self.core.readAudioFile(inputFile)
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out_pipe = sp.Popen([ self.core.FFMPEG_BIN,
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# test if user has libfdk_aac
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encoders = sp.check_output(self.core.FFMPEG_BIN + " -encoders -hide_banner", shell=True)
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if b'libfdk_aac' in encoders:
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acodec = 'libfdk_aac'
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else:
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acodec = 'aac'
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ffmpegCommand = [ self.core.FFMPEG_BIN,
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'-y', # (optional) means overwrite the output file if it already exists.
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'-f', 'rawvideo',
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'-vcodec', 'rawvideo',
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@ -41,13 +48,20 @@ class Worker(QtCore.QObject):
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'-i', '-', # The input comes from a pipe
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'-an',
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'-i', inputFile,
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'-acodec', "libfdk_aac", # output audio codec
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'-acodec', acodec, # output audio codec
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'-b:a', "192k",
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'-vcodec', "libx264",
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'-pix_fmt', "yuv420p",
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'-preset', "medium",
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'-f', "mp4",
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outputFile],
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'-f', "mp4"]
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if acodec == 'aac':
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ffmpegCommand.append('-strict')
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ffmpegCommand.append('-2')
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ffmpegCommand.append(outputFile)
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out_pipe = sp.Popen(ffmpegCommand,
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stdin=sp.PIPE,stdout=sys.stdout, stderr=sys.stdout)
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smoothConstantDown = 0.08
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