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64198d7af1
Replace the current poor-quality handcrafted GUS configuration with a script that programatically generates an optimized configuration file based on statistical analysis of music from various popular WAD files.
83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (c) 2013 Contributors to the Freedoom project.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the freedoom project nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# ----------------------------------------------------------------------
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#
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# Script to gather statistics from MIDI files about instrument usage.
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# Generates stats.py which is used as input for the ultramid.ini
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# generator script.
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#
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# This script requires python-midi; see here:
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# https://github.com/vishnubob/python-midi
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#
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import midi
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import sys
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def get_instr_stats(filename):
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"""Get a set of instruments used by the specified MIDI file."""
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result = set()
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midfile = midi.read_midifile(filename)
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for track in midfile:
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for event in track:
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if isinstance(event, midi.ProgramChangeEvent) \
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and event.channel != 9:
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instr = event.data[0]
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result.add(instr)
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# Percussion:
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if isinstance(event, midi.NoteOnEvent) \
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and event.channel == 9:
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instr = event.data[0] + 128
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result.add(instr)
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return result
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total_stats = [0] * 217
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for filename in sys.argv[1:]:
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print "Processing %s" % filename
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stats = get_instr_stats(filename)
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print sorted(stats)
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for instrument in stats:
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total_stats[instrument] += 1
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with open("stats.py", "w") as f:
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f.write("# Instrument stats, autogenerated by gather_stats.py\n\n")
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f.write("INSTRUMENT_STATS = [\n\t")
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for index, stat in enumerate(total_stats):
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f.write("% 5i," % stat)
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if (index % 10) == 9:
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f.write("\n\t")
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f.write("\n]\n")
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