Ajout d'un fichier d'essai de fluidsynth.

git-svn-id: https://svn.cri.ensmp.fr/svn/minwii/trunk@25 fe552daf-6dbe-4428-90eb-1537e0879342

diff --git a/src/songs/synth.py b/src/songs/synth.py
new file mode 100755 (executable)
index 0000000..07a8a5a
--- /dev/null
+++ b/src/songs/synth.py
@@ -0,0 +1,73 @@
+# -*- coding: utf-8 -*-
+"""
+module pour jouer les chansons sur le fluidsynth
+
+$Id$
+$URL$
+"""
+import fluidsynth
+from musicxmltosong import musicXml2Song
+from time import sleep
+import sys
+from optparse import OptionParser
+
+class SongPlayer(object) :
+    """ Lecteur audio d'une chanson """
+
+    def __init__(self, part, soundFont, quarterNoteDuration=400, bank=0, preset=0) :
+        self.part = part
+        self.quarterNoteDuration = quarterNoteDuration
+        self.fs = fs = fluidsynth.Synth()
+        fs.start()
+        self.fsid = fsid = fs.sfload(soundFont)
+        fs.program_select(0, fsid, bank, preset)
+    
+    def __del__(self) :
+        self.fs.delete()
+    
+    def play(self) :
+        fs = self.fs
+        for note, verseIndex in self.part.iterNotes(indefinitely=False) :
+            print note, note.lyrics[verseIndex]
+            fs.noteon(0, note.midi, 64)
+            duration = note.duration * self.quarterNoteDuration / 1000
+            sleep(duration)
+            fs.noteoff(0, note.midi)
+            
+            
+            
+        
+
+def main() :
+    usage = "%prog musicXmlFile.xml [options]"
+    op = OptionParser(usage)
+    op.add_option("-i", "--part-index", dest="partIndex"
+                 , default = 0
+                 , help = "Index de la partie qui contient le champ.")
+    op.add_option("-q", "--quarter-note-duration", dest="quarterNoteDuration"
+                  , type="int", default=400
+                  , help="Durée de la noire [default] (en millisecondes)"
+                  )
+    op.add_option("-b", "--bank", dest="bank"
+                  , type="int", default="0"
+                  , help="midi bank [default]")
+    op.add_option("-p", "--preset", dest="preset"
+                , type="int", default="0"
+                , help="midi preset [default]")
+        
+    options, args = op.parse_args()
+    
+    if len(args) != 1 :
+        raise SystemExit(op.format_help())
+    
+    song = musicXml2Song(args[0], partIndex=options.partIndex)
+    sp = SongPlayer(song,
+                    '/Users/pinbe/dev/minwii/fluid-soundfont-3.1/FluidR3_GM.sf2',
+                    quarterNoteDuration=options.quarterNoteDuration,
+                    bank = options.bank,
+                    preset = options.preset)
+    sp.play()
+
+
+if __name__ == '__main__' :
+    sys.exit(main())