def audio_init(self, bits, channels, samplerate):
print "Initializing", bits, channels, samplerate
self.bits = bits
self.channels = channels
self.samplerate = samplerate
min_frequency = 500
max_frequency = samplerate / 30 * 10 # Abusing integer division
self.frequency_limits = calculate_column_frequency(
min_frequency, max_frequency, COLUMNS
)
self.buffer = ''
from hs_logo import draw_logo
from leds import ColumnedLEDStrip
from music import calculate_levels, read_musicfile_in_chunks, calculate_column_frequency
from shairplay import initialize_shairplay, shutdown_shairplay, RaopCallbacks
COLUMNS = 12
GAP_LEDS = 0
TOTAL_LEDS = 100
SKIP_LEDS = 4
SAMPLE_RATE = 44100
NUM_CHANNELS = 2
FORMAT = aa.PCM_FORMAT_S16_LE
PERIOD_SIZE = 2048
frequency_limits = calculate_column_frequency(200, 10000, COLUMNS)
def analyze_airplay_input(led_strip):
from os.path import join
lib_path = join(sys.prefix, 'lib')
initialize_shairplay(lib_path, get_shairplay_callback_class(led_strip))
while True:
try:
pass
except KeyboardInterrupt:
shutdown_shairplay()
break
def analyze_audio_file(led_strip, path):
def update_frequency_limits_with_columns(columns): Audio.COLUMNS = columns Audio.FREQUENCY_LIMITS = calculate_column_frequency(200, 10000, columns)