def setup_synth(self):
"""Setup the player so that it can produce sound.
Raises:
SingleNoteAbcPlayerException: an error occured during the synth setup.
Most common errors: fluidsynth library not found, soundfont not found.
"""
try:
self._handle = fluidhandle.FluidHandle()
self._settings = fluidsettings.FluidSettings(self._handle)
self._settings['synth.gain'] = 0.2
self._synth = fluidsynth.FluidSynth(self._handle, self._settings)
self._load_soundfont()
self._settings['audio.driver'] = 'alsa'
self._driver = fluidaudiodriver.FluidAudioDriver(
self._handle, self._synth, self._settings)
except (AttributeError, FluidError) as e:
# rem: under Linux, AttributeError is raised when pyfluidsynth3 is
# available but libfluidsynth1 is not.
message = 'Failed to setup fluidsynth: ' + str(
e) + '. Audio output will be disabled.'
log.warning(message)
log.debug(traceback.format_exc())
raise SingleNoteAbcPlayerException(message)
self._no_sound = False # If we can reach that point without exception, we should have sound
self.select_instrument(self._instrument)
def create_synth():
global HANDLE
global SYNTH
global ADRIVER
global SEQUENCER
global SYNTH_SEQ_ID
global MY_SEQ_ID
global SEQ_DURATION
HANDLE = fluidhandle.FluidHandle()
settings = fluidsettings.FluidSettings(HANDLE)
settings['synth.gain'] = 0.2
settings['synth.reverb.active'] = 'yes'
settings['synth.chorus.active'] = 'no'
SYNTH = fluidsynth.FluidSynth(HANDLE, settings)
settings['audio.driver'] = 'alsa'
ADRIVER = fluidaudiodriver.FluidAudioDriver(HANDLE, SYNTH, settings)
SEQUENCER = fluidsequencer.FluidSequencer(HANDLE)
# rem: the demo C code calls 'new_fluid_sequencer2(0)' while
# the pyfluidsynth3 code calls new_fluid_sequencer()
SEQUENCER.ticks_per_beat = TPB
SEQUENCER.beats_per_minute = DEFAULT_BPM
# register synth as first destination
(SYNTH_SEQ_ID, name) = SEQUENCER.add_synth(SYNTH)
# register myself as second destination
MY_SEQ_ID = HANDLE.fluid_sequencer_register_client(
SEQUENCER.seq, utility.fluidstring('me'), seq_callback, None)
from pyfluidsynth3.fluiderror import FluidError
import sys
import time
import traceback
''' Based on the examples from pyfluidsynth by MostAwesomeDude. '''
''' Based on sequencer.py from tea2code'''
soundfonts = [ # We will use the first sound font that can be found in that list:
'/usr/share/sounds/sf2/FluidR3_GM.sf2',
'/usr/share/sounds/sf2/default.sf2' # Fedora: symlink to '/usr/share/soundfonts/FluidR3_GM.sf2'
]
try:
HANDLE = fluidhandle.FluidHandle()
settings = fluidsettings.FluidSettings(HANDLE)
settings['synth.gain'] = 0.2
SYNTH = fluidsynth.FluidSynth(HANDLE, settings)
#load_soundfont()
settings['audio.driver'] = 'alsa'
driver = fluidaudiodriver.FluidAudioDriver(HANDLE, SYNTH, settings)
except FluidError as e:
message = 'Failed to setup fluidsynth: ' + str(
e) + '. Audio output will be disabled.'
print(message)
print(traceback.format_exc())
sys.exit(1)
#if len( sys.argv ) < 3:
# print( "Usage: {0} library soundfont.sf2".format(sys.argv[0]) )
from pyfluidsynth3 import fluidaudiodriver, fluidhandle, fluidplayer, fluidsettings, fluidsynth
import sys
''' Based on the examples from pyfluidsynth by MostAwesomeDude. '''
if len(sys.argv) < 4:
print("Usage: {0} library soundfont.sf2 song.mid".format(sys.argv[0]))
sys.exit()
handle = fluidhandle.FluidHandle(sys.argv[1])
settings = fluidsettings.FluidSettings(handle)
synth = fluidsynth.FluidSynth(handle, settings)
driver = fluidaudiodriver.FluidAudioDriver(handle, synth, settings)
player = fluidplayer.FluidPlayer(handle, synth)
synth.load_soundfont(sys.argv[2])
player.play(sys.argv[3])
player.join()