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#!/usr/bin/python
# Python example of creating a SoundFont from multiple audio samples
#
# Updated on July 22, 2006
# Now uses more convenient converter functions.
#
# Josh Green - Sep 13, 2004
# Use this example as you please (public domain)
#
# Note that the Python binding API is not stable yet and may change
#
import ipatch
import gobject, sys
if len (sys.argv[1:]) == 0:
print "Usage: create_sf2.py sample1.wav [sample2.wav sample3.aiff ...]"
sys.exit ()
sf2 = ipatch.SF2 () # Create new SoundFont object
# For each file specified on command line..
for fname in sys.argv[1:]:
# Identify and open the file
f = ipatch.ipatch_file_identify_open (fname, "r")
if not f:
print "Failed to identify file '%s'" % fname
continue
# Convert sample file to SF2Sample object
sample = ipatch.ipatch_convert_object_to_type (f, ipatch.SF2Sample)
if not sample: continue
sf2.add_unique (sample) # Add sample and ensure name is unique
name = sample.get_property ("name") # Get the sample name
inst = ipatch.SF2Inst () # Create new SoundFont instrument
inst.set_property ("name", name) # Set the instrument name = sample name
inst.new_zone (sample) # Add new zone to inst => sample
sf2.add_unique (inst) # Add inst and ensure name is unique
preset = ipatch.SF2Preset () # Create new preset
preset.set_property ("name", name) # Set preset name = sample name
preset.new_zone (inst) # Add zone to preset => inst
sf2.add_unique (preset) # Add preset, name/bank/preset # unique
# Create SoundFont file object, set its name and open for writing
sffile = ipatch.SF2File ()
sffile.open ("output.sf2", "w")
ipatch.ipatch_convert_objects (sf2, sffile)
sffile.close ()
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