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loopback.py: bugfixes

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Lars Immisch
2023-10-24 19:17:58 +01:00
committed by Oswald Buddenhagen
parent 42ca8acbad
commit fe3fbe5376
1 changed files with 10 additions and 5 deletions
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15
loopback.py
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@@ -8,7 +8,7 @@ import re
import struct
import subprocess
from datetime import datetime, timedelta
from alsaaudio import (PCM, pcms, PCM_PLAYBACK, PCM_CAPTURE, PCM_FORMAT_S16_LE, PCM_NONBLOCK, Mixer,
from alsaaudio import (PCM, pcms, PCM_PLAYBACK, PCM_CAPTURE, PCM_NONBLOCK, Mixer,
PCM_STATE_OPEN, PCM_STATE_SETUP, PCM_STATE_PREPARED, PCM_STATE_RUNNING, PCM_STATE_XRUN, PCM_STATE_DRAINING,
PCM_STATE_PAUSED, PCM_STATE_SUSPENDED, ALSAAudioError)
from argparse import ArgumentParser
@@ -63,6 +63,7 @@ class Loopback(object):
def __init__(self, capture, playback_args, run_after_stop=None, run_before_start=None):
self.playback_args = playback_args
self.playback = None
self.playback_control = playback_control
self.capture_started = None
self.last_capture_event = None
@@ -299,6 +300,7 @@ if __name__ == '__main__':
parser.add_argument('-O', '--output-mixer', help='Control of the output mixer, can contain the card index, e.g. PCM:1')
parser.add_argument('-A', '--run-after-stop', help='command to run when the capture device is idle/silent')
parser.add_argument('-B', '--run-before-start', help='command to run when the capture device becomes active')
parser.add_argument('-V', '--volume', help='Initial volume (default is leave unchanged)')
args = parser.parse_args()
@@ -363,9 +365,12 @@ if __name__ == '__main__':
volume_handler = VolumeForwarder(capture_control, playback_control)
reactor.register(PollDescriptor.from_alsa_object('capture_control', capture_control, select.POLLIN), volume_handler)
if capture and playback:
loopback = Loopback(capture, playback_args, args.run_after_stop, args.run_before_start)
loopback.register(reactor)
loopback.start()
if args.volume and playback_control:
playback_control.setvolume(int(args.volume))
loopback = Loopback(capture, playback_args, playback_control, capture_control,
args.run_after_stop, args.run_before_start)
loopback.register(reactor)
loopback.start()
reactor.run()