def test_image3 (infile = 'test.mp3',
size_exponent = 9,
factor_exponent = 1):
"streaming sound --> image"
s = K.Supergram(size_exponent, factor_exponent)
outfile = infile[:-4]
small_size = s.small_size
super_size = s.super_size
length = s.super_size #arbitrary
frame_rate = float(K.DEFAULT_SAMPLE_RATE) / small_size
a = K.AudioFile(infile, small_size, small_size * length)
l = K.Loudness(super_size, frame_rate)
i = K.ImageBuffer(outfile, super_size, length)
sound = K.Complexes()
energy = K.Reals()
loud = K.Reals()
a.reading(sound)
s.stream_fwd(sound, energy)
l.stream_fwd(energy, loud)
i.writing(loud)
a.start_read()
a.wait_read()
import time
time.sleep(0.5) #HACK
i.assemble()
K.stop_threads()
def test_images3 (infile = 'test.mp3',
small_exponent = 9,
large_exponent = 11,
size_out = 1 << 10,
color = True):
"buffered pitch images with streaming Multigram"
outfile = infile[:-4]
multi = K.Multigram(small_exponent, large_exponent)
file = K.AudioFile(infile, multi.size_in)
scale = multi.pitch_scale(size_out)
loud = K.Loudness(size_out, float(K.DEFAULT_SAMPLE_RATE) / multi.size_in)
image = K.ImageBuffer(outfile, size_out, color=color)
sound = K.Complexes()
energy = K.Reals()
pitch = K.Reals()
louds = K.Reals()
file.reading(sound)
multi.stream_fwd(sound, energy)
scale.stream_fwd(energy, pitch)
loud.stream_fwd(pitch, louds)
image.writing(louds)
file.start_read()
file.wait_read()
import time
time.sleep(0.5) #HACK
image.assemble()
K.stop_threads()
def test_play2 (filename = 'test.mp3', size = 1024): file = K.AudioFile(filename, size) audio = K.Audio(size, reading=False) sound = K.Complexes() file.reading(sound) audio.writing(sound) audio.start() file.start_read() file.wait_read() audio.stop() K.stop_threads()
def test_animate4 (infiles = None,
small_exponent = 9,
large_exponent = 11):
"pitch animation with streaming Multigram"
if infiles is None: infiles = ['test.mp3']
size_in = (1 << small_exponent) / 2
size_out = 1 << 10
frame_rate = float(K.DEFAULT_SAMPLE_RATE) / size_in
file = K.AudioFile(infiles[0], size_in)
split = K.Splitter()
audio = K.Audio(size_in, reading=False)
multi = K.Multigram(small_exponent, large_exponent)
scale = multi.pitch_scale(size_out)
screen = K.Screen(size_out * 3/2, size_out)
loud = K.Loudness(size_out, frame_rate)
assert multi.size_in == size_in
sound1 = K.Complexes()
sound2 = K.Complexes()
sound3 = K.Complexes()
energy = K.Reals()
pitch = K.Reals()
louds = K.Reals()
file.reading(sound1)
split.transform(sound1, (sound2, sound3))
audio.writing(sound2)
multi.stream_fwd(sound3, energy)
scale.stream_fwd(energy, pitch)
loud.stream_fwd(pitch, louds)
screen.vertical_sweeping(louds)
audio.start()
file.start_read()
file.wait_read()
audio.stop()
K.stop_threads()
