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Find TV output by card name #172

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Find TV output by card name #172

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19 changes: 13 additions & 6 deletions staff/lab/ocf-tv
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Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,16 @@ import subprocess
import sys
import time

TV_SINK = 'alsa_output.pci-0000_00_03.0.hdmi-stereo'
TV_CARD = 'alsa_output.pci-0000_00_03.0'
TUNNEL_NAME = 'ocf-tv-remote'

GET_TV_SINK_CMD = "pactl list short sinks | cut -f2 | grep -F '{}'".format(TV_CARD)


def get_tv_sink(host):
pactl_proc = subprocess.run(('ssh', host, GET_TV_SINK_CMD), capture_output=True)
return pactl_proc.stdout.decode().strip()


def unused_port():
"""Find an unused port to bind the listener against on our side."""
Expand Down Expand Up @@ -136,7 +143,7 @@ def tunnel_audio(args):


def volume(args):
"""Get/set the PulseAudio volume of the TV_SINK on the remote host."""
"""Get/set the PulseAudio volume of the TV sink on the remote host."""

return set_volume(args.amount, args.host) if args.amount is not None else get_volume(args.host)

Expand All @@ -152,17 +159,17 @@ def check_volume(val):
def get_volume(host):
pre = 'pactl list sinks'
# print 5th field in 7th line after match, which contains volume info
post = "awk '/Name: {}$/ {{ target = NR + 7 }}; NR == target {{ print $5 }}'".format(TV_SINK)
post = "awk '/Name: {}/ {{ target = NR + 7 }}; NR == target {{ print $5 }}'".format(TV_CARD)
return subprocess.call(('ssh', host, '{} | {}'.format(pre, post)))


def set_volume(amount, host):
cmd = 'pactl set-sink-volume {} {}%; '.format(TV_SINK, amount)
cmd = 'pactl set-sink-volume $({}) {}%; '.format(GET_TV_SINK_CMD, amount)
return subprocess.call(('ssh', host, cmd))


def mute(args):
cmd = 'pactl set-sink-mute {} toggle'.format(TV_SINK)
cmd = 'pactl set-sink-mute $({}) toggle'.format(GET_TV_SINK_CMD)
return subprocess.call(('ssh', args.host, cmd))


Expand All @@ -172,7 +179,7 @@ if __name__ == '__main__':
description='Control the OCF television.',
)

parser.add_argument('-H', '--host', type=str, default='tv', help='set host (default tv))')
parser.add_argument('-H', '--host', type=str, default='tv', help='set host (default tv)')

command_subparser = parser.add_subparsers(dest='command')

Expand Down