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35 lines
1.1 KiB
Python
Executable File
35 lines
1.1 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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try:
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print("Starting decode : %s\n\tIn: %s\n\tOut: %s" % \
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(settings.DSS_LAME_PATH, input_file, output_file))
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convert_command = "%s %s -c 1 -t wav - | %s -w 1170 -h 140 -o %s /dev/stdin" % \
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(settings.DSS_LAME_PATH, input_file, settings.DSS_WAVE_PATH, output_file)
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print("Convert command: %s" % convert_command)
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result = os.system(convert_command)
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print(result)
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if os.path.exists(output_file):
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#crop the image as it looks nice with zoom
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from PIL import Image
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import glob
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im = Image.open(output_file)
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w, h = im.size
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im.crop((0, 0, w, h / 2)).save(output_file)
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return 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 as ex:
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print("Error generating waveform %s" % (ex))
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