def start_sending_sound(remote_decoders, local_decoders,
remote_pulseaudio_server, remote_pulseaudio_id):
try:
matching_codecs = [x for x in remote_decoders if x in local_decoders]
ordered_codecs = [x for x in CODEC_ORDER if x in matching_codecs]
if len(ordered_codecs) == 0:
log.error(
"no matching codecs between remote (%s) and local (%s) - sound disabled",
remote_decoders, local_decoders)
return None
codec = ordered_codecs[0]
log.info("using sound codec %s", codec)
from xpra.sound.src import SoundSource
if SOUND_TEST_MODE:
sound_source = SoundSource("audiotestsrc", {
"wave": 2,
"freq": 110,
"volume": 0.4
}, codec, {})
log.info("using test sound source")
else:
from xpra.sound.pulseaudio_util import has_pa, get_pa_device_options
from xpra.sound.pulseaudio_util import get_pulse_server, get_pulse_id
if not has_pa():
log.error("pulseaudio not supported - sound disabled")
return None
pa_server = get_pulse_server()
log(
"start sound, remote pulseaudio server=%s, local pulseaudio server=%s",
remote_pulseaudio_server, pa_server)
if remote_pulseaudio_server and (
remote_pulseaudio_server == pa_server
or len(pa_server) > 16
and remote_pulseaudio_server.endswith(pa_server)):
log.error(
"identical pulseaudio server, refusing to create a sound loop - sound disabled"
)
return None
pa_id = get_pulse_id()
log("start sound, client id=%s, server id=%s",
remote_pulseaudio_id, pa_id)
if remote_pulseaudio_id and remote_pulseaudio_id == pa_id:
log.error(
"identical pulseaudio ID, refusing to create a sound loop - sound disabled"
)
return None
monitor_devices = get_pa_device_options(True, False)
log("found pulseaudio monitor devices: %s", monitor_devices)
if len(monitor_devices) == 0:
log.error(
"could not detect any pulseaudio monitor devices - sound forwarding is disabled"
)
return None
if len(monitor_devices) > 1:
log.warn("found more than one monitor device: %s",
monitor_devices)
log.warn("using: %s", monitor_devices.items()[0][1])
monitor_device = monitor_devices.items()[0][0]
sound_source = SoundSource("pulsesrc", {"device": monitor_device},
codec, {})
log.info("starting sound using pulseaudio device %s",
monitor_device)
return sound_source
except Exception, e:
log.error("error setting up sound: %s", e, exc_info=True)
return None
def __init__(self, *pipeline_args):
from xpra.sound.src import SoundSource
sound_pipeline = SoundSource(*pipeline_args)
sound_subprocess.__init__(self, sound_pipeline, [], ["new-stream", "new-buffer"])
self.large_packets = ["new-buffer"]
def start_sending_sound(codec, volume, remote_decoders, local_decoders,
remote_pulseaudio_server, remote_pulseaudio_id):
assert has_gst
try:
matching_codecs = [x for x in remote_decoders if x in local_decoders]
ordered_codecs = [x for x in CODEC_ORDER if x in matching_codecs]
if len(ordered_codecs) == 0:
log.error(
"no matching codecs between remote (%s) and local (%s) - sound disabled",
remote_decoders, local_decoders)
return None
if codec is not None and codec not in matching_codecs:
log.warn("invalid codec specified: %s", codec)
codec = None
if codec is None:
codec = ordered_codecs[0]
log("using sound codec %s", codec)
from xpra.sound.src import SoundSource
if SOUND_TEST_MODE:
sound_source = SoundSource("audiotestsrc", {
"wave": 2,
"freq": 110,
"volume": 0.4
}, codec, volume, {})
log.info("using test sound source")
else:
from xpra.sound.pulseaudio_util import has_pa, get_pa_device_options, get_default_sink
from xpra.sound.pulseaudio_util import get_pulse_server, get_pulse_id, set_source_mute
if not has_pa():
log.error("pulseaudio not supported - sound disabled")
return None
pa_server = get_pulse_server()
log(
"start sound, remote pulseaudio server=%s, local pulseaudio server=%s",
remote_pulseaudio_server, pa_server)
#only worth comparing if we have a real server string
#one that starts with {UUID}unix:/..
if pa_server and pa_server.startswith("{") and \
remote_pulseaudio_server and remote_pulseaudio_server==pa_server:
log.error(
"identical pulseaudio server, refusing to create a sound loop - sound disabled"
)
return None
pa_id = get_pulse_id()
log("start sound, client id=%s, server id=%s",
remote_pulseaudio_id, pa_id)
if remote_pulseaudio_id and remote_pulseaudio_id == pa_id:
log.error(
"identical pulseaudio ID, refusing to create a sound loop - sound disabled"
)
return None
monitor_devices = get_pa_device_options(True, False)
log("found pulseaudio monitor devices: %s", monitor_devices)
if len(monitor_devices) == 0:
log.error(
"could not detect any pulseaudio monitor devices - sound forwarding is disabled"
)
return None
#default to first one:
monitor_device, monitor_device_name = monitor_devices.items()[0]
if len(monitor_devices) > 1:
default_sink = get_default_sink()
default_monitor = default_sink + ".monitor"
global WARNED_MULTIPLE_DEVICES
if not WARNED_MULTIPLE_DEVICES:
WARNED_MULTIPLE_DEVICES = True
log.warn("found more than one audio monitor device:")
for k, v in monitor_devices.items():
log.warn(" * %s (\"%s\")", v, k)
if default_monitor in monitor_devices:
monitor_device = default_monitor
monitor_device_name = monitor_devices.get(default_monitor)
if not WARNED_MULTIPLE_DEVICES:
log.warn("using monitor of default sink: %s",
monitor_device_name)
else:
if not WARNED_MULTIPLE_DEVICES:
log.warn("using the first device")
#make sure it is not muted:
set_source_mute(monitor_device, mute=False)
sound_source = SoundSource("pulsesrc", {"device": monitor_device},
codec, volume, {})
log.info("starting sound capture using pulseaudio device: %s",
monitor_device_name)
return sound_source
except:
e = sys.exc_info()[1]
log.error("error setting up sound: %s", e, exc_info=True)
return None