polyfloyd/ledcat-nyancat
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Visualsize an audio signal through the tail

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polyfloyd 2017-10-07 22:46:39 +02:00
parent 40af2587ba
commit 02274c9a7c
3 changed files with 106 additions and 1 deletions
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23
nyan/__main__.py
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@ -2,8 +2,11 @@
import math
import os
import sys
import time
from audio import PCMSource
from nyancat import Nyancat
from pcm import NyancatSignal
_geometry = os.getenv('LEDCAT_GEOMETRY', '150x16').split('x')
DISP_WIDTH = int(_geometry[0])
@ -19,6 +22,24 @@ class NyancatWave(Nyancat):
yield (DISP_HEIGHT // 2) + int(math.sin(x / 6 + t * math.pi) * 4 * math.sin(t * 8))
cat = NyancatWave(DISP_WIDTH, DISP_HEIGHT)
if len(sys.argv) == 1 or sys.argv[1] == 'wave':
cat = NyancatWave(DISP_WIDTH, DISP_HEIGHT)
elif sys.argv[1] == 'pcm':
_split = list(sys.argv[3].split(':'))
if len(_split) != 3:
print('usage: %s pcm <pipe> <rate>:<bits>:<channels>' % sys.argv[0], file=sys.stderr)
sys.exit(1)
sample_rate = int(_split[0])
sample_bits = int(_split[1])
num_channels = int(_split[2])
pipe = sys.stdin.buffer if sys.argv[2] == '-' else sys.argv[2]
signal = PCMSource(pipe, sample_rate, sample_bits, num_channels)
cat = NyancatSignal(DISP_WIDTH, DISP_HEIGHT, signal)
else:
print('usage: %s <wave>|<pcm>' % sys.argv[0], file=sys.stderr)
sys.exit(1)
while True:
cat.render()