import matplotlib.gridspec as gridspec
from matplotlib.cm import ScalarMappable
from audiopack import audio_chunks, loadwav, spectrum
try:
soundfile = sys.argv[1]
except IndexError:
print("no audiofile provided")
sys.exit()
else:
try:
mode = sys.argv[2]
except IndexError:
mode = 'freq'
meta, data = loadwav(soundfile)
t = np.linspace(0, meta.seconds, meta.samples)
print("Samplerate: %d" % meta.rate)
print("Channels: %d" % meta.channels)
print("Length: %d samples, %d seconds" % (meta.samples, meta.seconds))
fig = plt.figure()
gs = gridspec.GridSpec(meta.channels, 1)
# time/signal view
if mode[:4] == 'freq':
for i, channel in enumerate(data.T):
ax = plt.Subplot(fig, gs[i])
ax.plot(t, channel)
fig.add_subplot(ax)
dest='thickness',
type=float,
action='store',
default=1,
help='threshold. if set to zero, values are grayscaled')
parser.add_argument(
'-s',
'--spread',
dest='spread',
type=float,
action='store',
default=1.,
help='spread. if set to zero will try and follow block energy')
args = parser.parse_args()
meta, data = loadwav(args.soundfile)
print("Samplerate: %d" % meta.rate)
print("Channels: %d" % meta.channels)
print("Length: %d samples, %d seconds" % (meta.samples, meta.seconds))
blocksize = meta.rate // args.fps
blocks = meta.samples // blocksize
print("%d Frames at %d samples" % (blocks, blocksize))
term_width = 100
N = blocksize
T = 1.0 / blocksize * 1.25
for n, b in enumerate(audio_chunks(data, blocksize)):
img = np.zeros((args.height, args.width, 3), np.uint8)
'--length',
dest='length',
type=int,
action='store',
default=0,
help='length')
parser.add_argument('-r',
'--rate',
dest='rate',
type=float,
action='store',
help='rate')
args = parser.parse_args()
image = np.zeros((args.height, args.width, 3), dtype=np.uint8)
meta, audio = ap.loadwav(args.audiofile)
blocksize = meta.rate // args.fps
blocks = meta.samples // blocksize
scroll = blocksize // args.height
last_img = None
for i, block in enumerate(ap.audio_chunks(audio, blocksize)):
img = last_img if last_img is not None else image
img = render_frame(
img,
block.T[0] if meta.channels > 1 else block,
blocksize,
args.width,
args.height,
raw=args.raw,
)