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35 lines
1.4 KiB
Python
Executable File
35 lines
1.4 KiB
Python
Executable File
import subprocess
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import traceback
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import uuid
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import os
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from dss import settings
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def generate_waveform(input_file, output_file):
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print "Generating waveform"
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try:
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working_file = "%s%s.wav" % (settings.DSS_TEMP_PATH, uuid.uuid1())
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try:
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print "Starting decode : %s\nInput File: %s\nOutput File: %s" % (settings.DSS_LAME_PATH, input_file, working_file)
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p = subprocess.call([settings.DSS_LAME_PATH, "--decode", input_file, working_file])
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print "Finished decode"
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if os.path.exists(working_file):
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print "Starting waveform generation"
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print "%s -m -l -i %s -o -b 000000 %s" % (settings.DSS_WAVE_PATH, working_file, output_file)
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subprocess.call([settings.DSS_WAVE_PATH, "-t", "-m", "-l", "-i", working_file, "-o", output_file])
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if os.path.isfile(output_file):
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os.remove(working_file)
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print "Generated waveform"
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return output_file
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else:
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print "Failed generating waveform: %s" % output_file
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else:
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print "Unable to find working file, did LAME succeed?"
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return ""
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except Exception, ex:
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print "Error generating waveform %s" % (ex)
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except:
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print "Error generating waveform"
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traceback.print_exc()
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