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101 lines
2.3 KiB
Python
Executable File
101 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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# This program will take a mma file and use timidity to split it into
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# a series of .wav files. 1 wav for each track in the file.
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import sys, os, commands
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tmpname = "tmp-%s" % os.getpid()
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tmpmid = "%s.mid" % tmpname
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bgtrack = "bg.wav"
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def usage():
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print "timsplit, (c) Bob van der Poel"
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print "Create multi-track wav files using"
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print " MMA files and timidity."
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print
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sys.exit(0)
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if len(sys.argv[1:]) != 1:
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print "timsplit: requires 1 filename argument."
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usage()
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mmafile = sys.argv[1]
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if mmafile.endswith(".mma"):
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basemid = mmafile[:-4]
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else:
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basemid = mmafile
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basemid += ".mid"
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# Create the background midi and wav. FIXME: have a command line option to skip
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status, txt = commands.getstatusoutput("mma -0 %s -f %s" % (mmafile, basemid))
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if status:
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print "timsplit error", status
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print txt
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sys.exit(1)
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# create a wav of the base file. This should get copied to your mixer
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print "Creating background track:", bgtrack
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status, txt = commands.getstatusoutput("timidity -Ow -o %s %s" % (bgtrack, basemid ))
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if status:
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print "timsplit error", status
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print txt
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sys.exit(1)
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# Get the tracks generated in the file
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status, txt = commands.getstatusoutput("mma -c %s" % mmafile)
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txt = txt.split()
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txt=txt[txt.index('assignments:')+1:]
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tracklist=[]
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for a in sorted(txt):
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try:
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int(a)
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except:
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tracklist.append(a)
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print "MMA file '%s' being split to: " % mmafile,
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for a in tracklist:
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print a,
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print
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# Do the magic. For each track call mma and timidity.
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for trackname in tracklist:
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trackname = trackname.title()
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status, txt = commands.getstatusoutput ("mma -0 %s -T %s -f %s " % (mmafile, trackname, tmpmid) )
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if status:
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if txt.find("No data created") >= 0:
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print "NO DATA for '%s', skipping" % trackname
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continue
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print "timsplit error creating MIDI file:", status
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print txt
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sys.exit(1)
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# create wav file
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# Options for timidity: Ow -- output to wave
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# M -- mono
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print "Creating: %s.wav" % trackname
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status, txt = commands.getstatusoutput ("timidity -OwM -o%s.wav %s" % (trackname, tmpmid) )
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if status:
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print "timsplit error running timidity:", status
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print txt
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sys.exit(1)
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os.remove(tmpmid)
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