def __init__(self, inst_num, inst_text, st, st_text):
self.pitch_obj = aubio.aubiowrapper.new_aubio_pitchdetection(
WINDOWSIZE, HOPSIZE, 1, 44100,
aubio.aubiowrapper.aubio_pitch_yinfft,
aubio.aubiowrapper.aubio_pitchm_freq,
)
self.fvec = aubio.aubiowrapper.new_fvec(HOPSIZE, 1)
self.vln = violin_instrument.ViolinInstrument(inst_num)
self.audio_out_buf = monowav.shortArray(HOPSIZE)
self.force_out_buf = monowav.shortArray(HOPSIZE/4)
self.inst_text = inst_text
self.st = st
self.st_text = st_text
# icky!
self.friction = {}
self.attempts = []
FS = 44100.0
hundred_ms = int(0.1 * FS)
hopsize = 512
pc = violin.get_physical_constants(2)
orig_tension = pc.T / 2.0
pc.T = orig_tension
violin.set_physical_constants(2, pc)
bp = 0.1
bf = 1.0
bv = 0.4
violin.bow(2, bp, bf, bv)
out = monowav.shortArray(HOPSIZE)
seconds = 0.0
def wait_pitch():
violin.wait_samples(out, hopsize)
global seconds
seconds += hopsize/44100.0
for i in xrange(HOPSIZE):
aubio.aubiowrapper.fvec_write_sample(
fvec,
out[i],
0,
i)
pitch = aubio.aubiowrapper.aubio_pitchdetection(
pitch_obj, fvec)
return pitch
tuningfile = open('data-tuning.txt', 'w')
FS = 44100.0
hundred_ms = int(0.1 * FS)
hopsize = 512
pc = violin.get_physical_constants(2)
orig_tension = pc.T / 2.0
pc.T = orig_tension
violin.set_physical_constants(2, pc)
bp = 0.1
bf = 1.0
bv = 0.4
violin.bow(2, bp, bf, bv)
out = monowav.shortArray(HOPSIZE)
seconds = 0.0
def wait_pitch():
violin.wait_samples(out, hopsize)
global seconds
seconds += hopsize / 44100.0
for i in xrange(HOPSIZE):
aubio.aubiowrapper.fvec_write_sample(fvec, out[i], 0, i)
pitch = aubio.aubiowrapper.aubio_pitchdetection(pitch_obj, fvec)
return pitch
for i in range(87):
def violin_process(artifastring_init, commands_pipe, audio_pipe):
try:
pyaudio_obj, audio_stream = make_audio_stream()
except:
pyaudio_obj = None
audio_stream = None
vivi = vivi_controller.ViviController(
artifastring_init.instrument_type,
artifastring_init.instrument_number)
if artifastring_init.instrument_type == 0:
base_midi = 55
inst = "violin"
elif artifastring_init.instrument_type == 1:
base_midi = 48
inst = "viola"
elif artifastring_init.instrument_type == 2:
base_midi = 36
inst = "cello"
vivi.filesNew("test-interactive")
for st in range(4):
vivi.load_ears_training(st, "../final/%s/%i.mpl" % (inst, st))
for dyn in range(4):
for fmi in range(3):
vivi.set_stable_K(st, dyn, fmi, 1.2)
audio_buf = monowav.shortArray(HOPSIZE)
samples = 0
logfile = actions_file.ActionsFile("log-interactive.actions")
physical = vivi_controller.PhysicalActions()
params = None
while commands_pipe.poll():
params = handle_command(vivi, commands_pipe, logfile, samples)
if params is None:
continue
physical.string_number = params.violin_string
physical.finger_position = params.finger_position
physical.bow_force = params.force
physical.dynamic = 0
physical.bow_bridge_distance = params.bow_position
physical.bow_velocity = params.velocity
midi_target = base_midi + (7*params.violin_string
+ midi_pos.pos2midi(physical.finger_position))
#pc = violin.get_physical_constants(params.violin_string)
#commands_pipe.send( (TENSION, pc.T) )
while True:
while commands_pipe.poll():
params = handle_command(vivi, commands_pipe, logfile, samples)
#vivi.comment("st, force: %i %.3f" %
# (params.violin_string, params.force))
if params is None:
continue
physical.string_number = params.violin_string
physical.finger_position = params.finger_position
physical.bow_force = params.force
physical.dynamic = 0
physical.bow_bridge_distance = params.bow_position
physical.bow_velocity = params.velocity
midi_target = base_midi + (7*params.violin_string
+ round(midi_pos.pos2midi(physical.finger_position)))
vivi.continuous(audio_buf.cast(), physical, midi_target, False)
arr, forces = audio_pipe.recv()
if arr is None:
# poison pill
break
if physical.string_number >= 0:
vivi.comment("new force: %.3f" % physical.bow_force)
vivi.continuous(audio_buf.cast(), physical, midi_target, True)
physical.string_number = -1
for i in xrange(HOPSIZE):
arr[i] = audio_buf[i]
# vivi_controller.buffer_get(audio_buf, i)
#vivi.wait_samples_forces_python(arr, forces)
#unsafe = violin.wait_samples_forces_python(arr, forces)
#params_log.write("unsafe: %i" % unsafe)
#commands_pipe.send( (COMMANDS.UNSAFE, unsafe) )
if audio_stream is not None:
audio_stream.write( arr.tostring(), HOPSIZE )
audio_pipe.send( (arr, forces) )
samples += HOPSIZE
logfile.wait(float(samples)/ARTIFASTRING_SAMPLE_RATE)
logfile.close()
if pyaudio_obj is not None:
audio_stream.close()
pyaudio_obj.terminate()
