def get_codecs(is_speaker, is_server):
if not HAS_SOUND:
return []
try:
from xpra.sound.gstreamer_util import can_encode, can_decode
if (is_server and is_speaker) or (not is_server and not is_speaker):
return can_encode()
else:
return can_decode()
except Exception, e:
warn("failed to get list of codecs: %s" % e)
return []
def get_codecs(is_speaker, is_server):
if not HAS_SOUND:
return []
try:
from xpra.sound.gstreamer_util import can_encode, can_decode
if (is_server and is_speaker) or (not is_server and not is_speaker):
return can_encode()
else:
return can_decode()
except Exception, e:
print("failed to get list of codecs: %s" % e)
return []
def run_sound(mode, error_cb, options, args):
""" this function just parses command line arguments to feed into the sound subprocess class,
which in turn just feeds them into the sound pipeline class (sink.py or src.py)
"""
from xpra.gtk_common.gobject_compat import want_gtk3
want_gtk3(True)
gst = import_gst()
if not gst:
return 1
info = mode.replace("_sound_", "") #ie: "_sound_record" -> "record"
from xpra.platform import program_context
with program_context("Xpra-Audio-%s" % info, "Xpra Audio %s" % info):
log("run_sound(%s, %s, %s, %s) gst=%s", mode, error_cb, options, args, gst)
if mode=="_sound_record":
subproc = sound_record
elif mode=="_sound_play":
subproc = sound_play
elif mode=="_sound_query":
plugins = get_all_plugin_names()
sources = [x for x in get_source_plugins() if x in plugins]
sinks = [x for x in get_sink_plugins() if x in plugins]
from xpra.sound.gstreamer_util import gst_version, pygst_version
import struct
bits = struct.calcsize("P")*8
d = {
"encoders" : can_encode(),
"decoders" : can_decode(),
"sources" : sources,
"source.default" : get_default_source() or "",
"sinks" : sinks,
"sink.default" : get_default_sink() or "",
"muxers" : get_muxers(),
"demuxers" : get_demuxers(),
"gst.version" : [int(x) for x in gst_version],
"pygst.version" : pygst_version,
"plugins" : plugins,
"python.version" : sys.version_info[:3],
"python.bits" : bits,
}
if BUNDLE_METADATA:
d["bundle-metadata"] = True
for k,v in d.items():
if type(v) in (list, tuple):
v = ",".join(str(x) for x in v)
print("%s=%s" % (k, v))
return 0
else:
log.error("unknown mode: %s" % mode)
return 1
assert len(args)>=6, "not enough arguments"
#the plugin to use (ie: 'pulsesrc' for src.py or 'autoaudiosink' for sink.py)
plugin = args[2]
#plugin options (ie: "device=monitor_device,something=value")
options = parse_simple_dict(args[3])
#codecs:
codecs = [x.strip() for x in args[4].split(",")]
#codec options:
codec_options = parse_simple_dict(args[5])
#volume (optional):
try:
volume = int(args[6])
except:
volume = 1.0
ss = None
try:
ss = subproc(plugin, options, codecs, codec_options, volume)
ss.start()
return 0
except InitExit as e:
log.error("%s: %s", info, e)
return e.status
except InitException as e:
log.error("%s: %s", info, e)
return 1
except Exception:
log.error("run_sound%s error", (mode, error_cb, options, args), exc_info=True)
return 1
finally:
if ss:
ss.stop()
def run_sound(mode, error_cb, options, args):
""" this function just parses command line arguments to feed into the sound subprocess class,
which in turn just feeds them into the sound pipeline class (sink.py or src.py)
"""
#we have to import gstreamer before init() on OSX,
#because init will end up import gobject,
#which means choosing between gi and gtk2 bindings
from xpra.sound.gstreamer_util import import_gst, get_pygst_version
gst = import_gst()
from xpra.gtk_common.gobject_compat import want_gtk3
want_gtk3(get_pygst_version()[0]>0)
from xpra.platform import program_context
with program_context("Xpra"):
log("run_sound(%s, %s, %s, %s) gst=%s", mode, error_cb, options, args, gst)
if not gst:
return 1
if mode=="_sound_record":
subproc = sound_record
info = "record"
elif mode=="_sound_play":
subproc = sound_play
info = "play"
elif mode=="_sound_query":
plugins = get_all_plugin_names()
sources = [x for x in get_source_plugins() if x in plugins]
from xpra.sound.gstreamer_util import gst_version, pygst_version
d = {"encoders" : can_encode(),
"decoders" : can_decode(),
"sources" : sources,
"muxers" : get_muxers(),
"demuxers" : get_demuxers(),
"gst.version" : gst_version,
"pygst.version" : pygst_version,
"plugins" : plugins,
"python.version" : sys.version_info[:3],
}
for k,v in d.items():
print("%s=%s" % (k, ",".join(str(x) for x in v)))
return 0
else:
log.error("unknown mode: %s" % mode)
return 1
assert len(args)>=6, "not enough arguments"
#the plugin to use (ie: 'pulsesrc' for src.py or 'autoaudiosink' for sink.py)
plugin = args[2]
#plugin options (ie: "device=monitor_device,something=value")
options = parse_simple_dict(args[3])
#codecs:
codecs = [x.strip() for x in args[4].split(",")]
#codec options:
codec_options = parse_simple_dict(args[5])
#volume (optional):
try:
volume = int(args[6])
except:
volume = 1.0
ss = None
try:
ss = subproc(plugin, options, codecs, codec_options, volume)
ss.start()
return 0
except InitExit as e:
log.error("%s: %s", info, e)
return e.status
except InitException as e:
log.error("%s: %s", info, e)
return 1
except Exception:
log.error("run_sound%s error", (mode, error_cb, options, args), exc_info=True)
return 1
finally:
if ss:
ss.stop()