# HG changeset patch
# User drewp <drewp@bigasterisk.com>
# Date 1580887966 28800
# Node ID 112258f2591bb633df76d509e8ee0ddc63a120fd
# Parent  40deafea417420caef6d2e8cc1968f528a83110b
rm old alsa version- everything uses pulse now

Ignore-this: 9a81955cf17d0ffd6316ba2a0be18117

darcs-hash:5c6255a28ed9e3a9837f2f21fbc420635101034b

diff -r 40deafea4174 -r 112258f2591b service/audioInputLevels/audioInputLevelsAlsa.py
--- a/service/audioInputLevels/audioInputLevelsAlsa.py	Tue Feb 04 22:57:47 2020 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,59 +0,0 @@
-from __future__ import division
-import argparse, alsaaudio, time, numpy, galena, socket
-
-def sendRecentAudio(accum, galenaOut, prefix):
-    samples = numpy.concatenate(accum)
-    samples = abs(samples / (1<<15))
-
-    galenaOut.send(prefix + '.avg', numpy.average(samples))
-    galenaOut.send(prefix + '.max', numpy.amax(samples))
-    
-def sendForever(card, prefix, periodSec, galenaOut):
-    inp = alsaaudio.PCM(alsaaudio.PCM_CAPTURE, alsaaudio.PCM_NORMAL, card)
-    inp.setchannels(1)
-    inp.setrate(44100)
-    inp.setformat(alsaaudio.PCM_FORMAT_S16_LE)
-    inp.setperiodsize(64)
-
-    readSleepSec = .05
-    lastSendTime = 0
-    accum = []
-    while True:
-
-        # I was getting machine hangs on an eeePC and I tried anything
-        # to make it not crash. I think this helped.
-        time.sleep(readSleepSec)
-
-        now = time.time()
-        if now - lastSendTime > periodSec * 2:
-            print "late: %s sec since last send and we have %s samples" % (
-                now - lastSendTime, sum(len(x) for x in accum))
-                
-        nframes, data = inp.read()
-        if nframes <= 0:
-            #print 'nframes', nframes, len(data)
-            continue # i get -32 a lot, don't know why
-        samples = numpy.fromstring(data, dtype=numpy.int16) 
-        accum.append(samples)
-
-        # -readSleepSec is in here to make sure we send a little too
-        # often (harmless) instead of missing a period sometimes,
-        # which makes a gap in the graph
-        if now > lastSendTime + periodSec - readSleepSec:
-            sendRecentAudio(accum, galenaOut, prefix)
-            lastSendTime = time.time()            
-
-            accum[:] = []
-
-parser = argparse.ArgumentParser()
-parser.add_argument(
-    '--card', required=True,
-    help='alsa card name (see list of unindented lines from `arecord -L`)')
-
-args = parser.parse_args()
-sendForever(
-    prefix='system.house.audio.%s' % socket.gethostname(),
-    periodSec=2,
-    card=args.card,
-    galenaOut=galena.Galena(host='bang'),
-)