def __init__(self,
src_type=DEFAULT_SRC,
src_options={},
codec=MP3,
encoder_options={}):
assert src_type in SOURCES
encoders = get_encoders(codec)
assert len(encoders) > 0, "no encoders found for %s" % codec
SoundPipeline.__init__(self, codec)
self.src_type = src_type
source_str = plugin_str(src_type, src_options)
encoder = encoders[0]
encoder_str = plugin_str(encoder, encoder_options)
pipeline_els = [source_str]
pipeline_els += [
"audioconvert", "audioresample", encoder_str, "appsink name=sink"
]
self.setup_pipeline_and_bus(pipeline_els)
self.sink = self.pipeline.get_by_name("sink")
self.sink.set_property("emit-signals", True)
self.sink.set_property("max-buffers", 10)
self.sink.set_property("drop", False)
self.sink.set_property("sync", True)
self.sink.set_property("qos", False)
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll)
def __init__(self, src_type=DEFAULT_SRC, src_options={}, codec=MP3, encoder_options={}):
assert src_type in SOURCES
encoder, fmt = get_encoder_formatter(codec)
SoundPipeline.__init__(self, codec)
self.add_signals(self.__generic_signals__)
self.src_type = src_type
source_str = plugin_str(src_type, src_options)
encoder_str = plugin_str(encoder, encoder_options)
pipeline_els = [source_str]
if AUDIOCONVERT:
pipeline_els += ["audioconvert"]
if AUDIORESAMPLE:
pipeline_els += [
"audioresample",
"audio/x-raw-int,rate=44100,channels=2"]
pipeline_els += [encoder_str,
fmt,
"appsink name=sink"]
self.setup_pipeline_and_bus(pipeline_els)
self.sink = self.pipeline.get_by_name("sink")
self.sink.set_property("emit-signals", True)
self.sink.set_property("max-buffers", 10)
self.sink.set_property("drop", False)
self.sink.set_property("sync", True)
self.sink.set_property("qos", False)
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll)
def __init__(self,
src_type=DEFAULT_SRC,
src_options={},
codec=MP3,
encoder_options={}):
assert src_type in SOURCES
encoder, fmt = get_encoder_formatter(codec)
SoundPipeline.__init__(self, codec)
self.src_type = src_type
source_str = plugin_str(src_type, src_options)
encoder_str = plugin_str(encoder, encoder_options)
pipeline_els = [source_str]
if AUDIOCONVERT:
pipeline_els += ["audioconvert"]
if AUDIORESAMPLE:
pipeline_els += [
"audioresample", "audio/x-raw-int,rate=44100,channels=2"
]
pipeline_els += [encoder_str, fmt, "appsink name=sink"]
self.setup_pipeline_and_bus(pipeline_els)
self.sink = self.pipeline.get_by_name("sink")
self.sink.set_property("emit-signals", True)
self.sink.set_property("max-buffers", 10)
self.sink.set_property("drop", False)
self.sink.set_property("sync", True)
self.sink.set_property("qos", False)
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll)
def __init__(self, src_type=DEFAULT_SRC, src_options={}, codec=MP3, volume=1.0, encoder_options={}):
assert src_type in SOURCES
encoder, fmt = get_encoder_formatter(codec)
SoundPipeline.__init__(self, codec)
self.src_type = src_type
source_str = plugin_str(src_type, src_options)
encoder_str = plugin_str(encoder, encoder_options)
fmt_str = plugin_str(fmt, MUXER_DEFAULT_OPTIONS.get(fmt, {}))
pipeline_els = [source_str]
if AUDIOCONVERT:
pipeline_els += ["audioconvert"]
if AUDIORESAMPLE:
pipeline_els += [
"audioresample",
"audio/x-raw-int,rate=44100,channels=2"]
pipeline_els.append("volume name=volume volume=%s" % volume)
pipeline_els += [encoder_str,
fmt_str,
"appsink name=sink"]
self.setup_pipeline_and_bus(pipeline_els)
self.volume = self.pipeline.get_by_name("volume")
self.sink = self.pipeline.get_by_name("sink")
self.sink.set_property("emit-signals", True)
self.sink.set_property("max-buffers", 10)
self.sink.set_property("drop", False)
self.sink.set_property("sync", True)
self.sink.set_property("qos", False)
try:
#Gst 1.0:
self.sink.connect("new-sample", self.on_new_sample)
self.sink.connect("new-preroll", self.on_new_preroll1)
except:
#Gst 0.10:
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll0)
def __init__(self, src_type=None, src_options={}, codecs=get_codecs(), codec_options={}, volume=1.0):
if not src_type:
from xpra.sound.pulseaudio_util import get_pa_device_options
monitor_devices = get_pa_device_options(True, False)
log.info("found pulseaudio monitor devices: %s", monitor_devices)
if len(monitor_devices)==0:
log.warn("could not detect any pulseaudio monitor devices")
log.warn(" a test source will be used instead")
src_type = "audiotestsrc"
default_src_options = {"wave":2, "freq":100, "volume":0.4}
else:
monitor_device = monitor_devices.items()[0][0]
log.info("using pulseaudio source device:")
log.info(" '%s'", monitor_device)
src_type = "pulsesrc"
default_src_options = {"device" : monitor_device}
src_options = default_src_options
if src_type not in get_source_plugins():
raise InitExit(1, "invalid source plugin '%s', valid options are: %s" % (src_type, ",".join(get_source_plugins())))
matching = [x for x in CODEC_ORDER if (x in codecs and x in get_codecs())]
log("SoundSource(..) found matching codecs %s", matching)
if not matching:
raise InitExit(1, "no matching codecs between arguments '%s' and supported list '%s'" % (csv(codecs), csv(get_codecs().keys())))
codec = matching[0]
encoder, fmt = get_encoder_formatter(codec)
SoundPipeline.__init__(self, codec)
self.src_type = src_type
source_str = plugin_str(src_type, src_options)
#FIXME: this is ugly and relies on the fact that we don't pass any codec options to work!
encoder_str = plugin_str(encoder, codec_options or ENCODER_DEFAULT_OPTIONS.get(encoder, {}))
fmt_str = plugin_str(fmt, MUXER_DEFAULT_OPTIONS.get(fmt, {}))
pipeline_els = [source_str]
if encoder in ENCODER_NEEDS_AUDIOCONVERT or src_type in SOURCE_NEEDS_AUDIOCONVERT:
pipeline_els += ["audioconvert"]
pipeline_els.append("volume name=volume volume=%s" % volume)
pipeline_els += [encoder_str,
fmt_str,
APPSINK]
self.setup_pipeline_and_bus(pipeline_els)
self.volume = self.pipeline.get_by_name("volume")
self.sink = self.pipeline.get_by_name("sink")
try:
if get_gst_version()<(1,0):
self.sink.set_property("enable-last-buffer", False)
else:
self.sink.set_property("enable-last-sample", False)
except Exception as e:
log("failed to disable last buffer: %s", e)
self.caps = None
self.skipped_caps = set()
if JITTER>0:
self.jitter_queue = Queue()
try:
#Gst 1.0:
self.sink.connect("new-sample", self.on_new_sample)
self.sink.connect("new-preroll", self.on_new_preroll1)
except:
#Gst 0.10:
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll0)
def __init__(self, sink_type=None, sink_options={}, codecs=CODECS, codec_options={}, volume=1.0):
if not sink_type:
sink_type = DEFAULT_SINK
assert sink_type in SINKS, "invalid sink: %s" % sink_type
matching = [x for x in CODEC_ORDER if (x in codecs and x in CODECS)]
log("SoundSink(..) found matching codecs %s", matching)
assert len(matching) > 0, "no matching codecs between arguments %s and supported list %s" % (codecs, CODECS)
codec = matching[0]
decoder, parser = get_decoder_parser(codec)
SoundPipeline.__init__(self, codec)
self.sink_type = sink_type
decoder_str = plugin_str(decoder, codec_options)
pipeline_els = []
pipeline_els.append(
"appsrc"
+ " name=src"
+ " emit-signals=0"
+ " block=0"
+ " is-live=0"
+ " stream-type=stream"
+ " format=%s" % GST_FORMAT_BUFFERS
)
pipeline_els.append(parser)
pipeline_els.append(decoder_str)
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
pipeline_els.append("volume name=volume volume=%s" % volume)
queue_el = [
"queue",
"name=queue",
"min-threshold-time=%s" % QUEUE_MIN_TIME,
"max-size-buffers=0",
"max-size-bytes=0",
"max-size-time=%s" % QUEUE_TIME,
"leaky=%s" % QUEUE_LEAK,
]
if QUEUE_SILENT:
queue_el.append("silent=%s" % QUEUE_SILENT)
pipeline_els.append(" ".join(queue_el))
sink_attributes = SINK_SHARED_DEFAULT_ATTRIBUTES.copy()
from xpra.sound.gstreamer_util import _gst_major_version
sink_attributes.update(SINK_DEFAULT_ATTRIBUTES.get(_gst_major_version, {}).get(sink_type, {}))
sink_attributes.update(sink_options)
sink_str = plugin_str(sink_type, sink_attributes)
pipeline_els.append(sink_str)
self.setup_pipeline_and_bus(pipeline_els)
self.volume = self.pipeline.get_by_name("volume")
self.src = self.pipeline.get_by_name("src")
self.queue = self.pipeline.get_by_name("queue")
self.overruns = 0
self.queue_state = "starting"
if QUEUE_SILENT == 0:
self.queue.connect("overrun", self.queue_overrun)
self.queue.connect("underrun", self.queue_underrun)
self.queue.connect("running", self.queue_running)
self.queue.connect("pushing", self.queue_pushing)
def __init__(self, sink_type=None, sink_options={}, codecs=CODECS, codec_options={}, volume=1.0):
if not sink_type:
sink_type = DEFAULT_SINK
assert sink_type in SINKS, "invalid sink: %s" % sink_type
matching = [x for x in CODEC_ORDER if (x in codecs and x in CODECS)]
log("SoundSink(..) found matching codecs %s", matching)
assert len(matching)>0, "no matching codecs between arguments %s and supported list %s" % (codecs, CODECS)
codec = matching[0]
decoder, parser = get_decoder_parser(codec)
SoundPipeline.__init__(self, codec)
self.sink_type = sink_type
decoder_str = plugin_str(decoder, codec_options)
pipeline_els = []
pipeline_els.append("appsrc"+
" name=src"+
" emit-signals=0"+
" block=0"+
" is-live=0"+
" stream-type=stream"+
" format=%s" % GST_FORMAT_BUFFERS)
pipeline_els.append(parser)
pipeline_els.append(decoder_str)
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
pipeline_els.append("volume name=volume volume=%s" % volume)
queue_el = ["queue",
"name=queue",
"min-threshold-time=%s" % QUEUE_MIN_TIME,
"max-size-buffers=0",
"max-size-bytes=0",
"max-size-time=%s" % QUEUE_TIME,
"leaky=%s" % QUEUE_LEAK]
if QUEUE_SILENT:
queue_el.append("silent=%s" % QUEUE_SILENT)
pipeline_els.append(" ".join(queue_el))
sink_attributes = SINK_SHARED_DEFAULT_ATTRIBUTES.copy()
from xpra.sound.gstreamer_util import _gst_major_version
sink_attributes.update(SINK_DEFAULT_ATTRIBUTES.get(_gst_major_version, {}).get(sink_type, {}))
sink_attributes.update(sink_options)
sink_str = plugin_str(sink_type, sink_attributes)
pipeline_els.append(sink_str)
self.setup_pipeline_and_bus(pipeline_els)
self.volume = self.pipeline.get_by_name("volume")
self.src = self.pipeline.get_by_name("src")
self.queue = self.pipeline.get_by_name("queue")
self.overruns = 0
self.queue_state = "starting"
if QUEUE_SILENT==0:
self.queue.connect("overrun", self.queue_overrun)
self.queue.connect("underrun", self.queue_underrun)
self.queue.connect("running", self.queue_running)
self.queue.connect("pushing", self.queue_pushing)
def __init__(self,
sink_type=DEFAULT_SINK,
options={},
codec=MP3,
decoder_options={}):
assert sink_type in SINKS, "invalid sink: %s" % sink_type
decoder, parser = get_decoder_parser(codec)
SoundPipeline.__init__(self, codec)
self.sink_type = sink_type
decoder_str = plugin_str(decoder, decoder_options)
pipeline_els = []
pipeline_els.append("appsrc name=src")
pipeline_els.append(parser)
pipeline_els.append(decoder_str)
if VOLUME:
pipeline_els.append("volume name=volume")
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
if QUEUE:
if QUEUE_TIME > 0:
pipeline_els.append(
"queue name=queue max-size-time=%s leaky=%s" %
(QUEUE_TIME, QUEUE_LEAK))
else:
pipeline_els.append("queue leaky=%s" % QUEUE_LEAK)
pipeline_els.append(sink_type)
self.setup_pipeline_and_bus(pipeline_els)
self.volume = self.pipeline.get_by_name("volume")
self.src = self.pipeline.get_by_name("src")
self.src.set_property('emit-signals', True)
self.src.set_property('stream-type', 'stream')
self.src.set_property('block', False)
self.src.set_property('format', 4)
self.src.set_property('is-live', True)
if QUEUE:
self.queue = self.pipeline.get_by_name("queue")
def overrun(*args):
debug("sound sink queue overrun")
def underrun(*args):
debug("sound sink queue underrun")
self.queue.connect("overrun", overrun)
self.queue.connect("underrun", underrun)
else:
self.queue = None
self.src.connect("need-data", self.need_data)
self.src.connect("enough-data", self.on_enough_data)
def __init__(self, sink_type=DEFAULT_SINK, options={}, codec=MP3, decoder_options={}):
assert sink_type in SINKS, "invalid sink: %s" % sink_type
decoder, parser = get_decoder_parser(codec)
SoundPipeline.__init__(self, codec)
self.sink_type = sink_type
decoder_str = plugin_str(decoder, decoder_options)
pipeline_els = []
pipeline_els.append("appsrc"+
" name=src"+
" max-bytes=32768"+
" emit-signals=0"+
" block=0"+
" is-live=0"+
" stream-type=stream"+
" format=4")
pipeline_els.append(parser)
pipeline_els.append(decoder_str)
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
queue_el = ["queue",
"name=queue",
"max-size-buffers=0",
"max-size-bytes=0",
"max-size-time=%s" % QUEUE_TIME,
"leaky=%s" % QUEUE_LEAK]
if QUEUE_SILENT:
queue_el.append("silent=%s" % QUEUE_SILENT)
pipeline_els.append(" ".join(queue_el))
pipeline_els.append(sink_type)
self.setup_pipeline_and_bus(pipeline_els)
self.src = self.pipeline.get_by_name("src")
self.queue = self.pipeline.get_by_name("queue")
self.overruns = 0
self.queue_state = "starting"
if QUEUE_SILENT==0:
self.queue.connect("overrun", self.queue_overrun)
self.queue.connect("underrun", self.queue_underrun)
self.queue.connect("running", self.queue_running)
self.queue.connect("pushing", self.queue_pushing)
if FAKE_OVERRUN>0:
def fake_overrun(*args):
self.emit("overrun", 500)
gobject.timeout_add(FAKE_OVERRUN*1000, fake_overrun)
def __init__(self, sink_type=DEFAULT_SINK, options={}, codec=MP3, decoder_options={}):
assert sink_type in SINKS, "invalid sink: %s" % sink_type
decoder, parser = get_decoder_parser(codec)
SoundPipeline.__init__(self, codec)
self.sink_type = sink_type
decoder_str = plugin_str(decoder, decoder_options)
pipeline_els = []
pipeline_els.append("appsrc name=src")
pipeline_els.append(parser)
pipeline_els.append(decoder_str)
if VOLUME:
pipeline_els.append("volume name=volume")
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
if QUEUE:
if QUEUE_TIME>0:
pipeline_els.append("queue name=queue max-size-time=%s leaky=%s" % (QUEUE_TIME, QUEUE_LEAK))
else:
pipeline_els.append("queue leaky=%s" % QUEUE_LEAK)
pipeline_els.append(sink_type)
self.setup_pipeline_and_bus(pipeline_els)
self.volume = self.pipeline.get_by_name("volume")
self.src = self.pipeline.get_by_name("src")
self.src.set_property('emit-signals', True)
self.src.set_property('stream-type', 'stream')
self.src.set_property('block', False)
self.src.set_property('format', 4)
self.src.set_property('is-live', True)
if QUEUE:
self.queue = self.pipeline.get_by_name("queue")
def overrun(*args):
debug("sound sink queue overrun")
def underrun(*args):
debug("sound sink queue underrun")
self.queue.connect("overrun", overrun)
self.queue.connect("underrun", underrun)
else:
self.queue = None
self.src.connect("need-data", self.need_data)
self.src.connect("enough-data", self.on_enough_data)
def __init__(self, sink_type=DEFAULT_SINK, options={}, codec=MP3, decoder_options={}):
assert sink_type in SINKS, "invalid sink: %s" % sink_type
decoder, parser = get_decoder_parser(codec)
SoundPipeline.__init__(self, codec)
self.add_signals(self.__generic_signals__)
self.sink_type = sink_type
decoder_str = plugin_str(decoder, decoder_options)
pipeline_els = []
pipeline_els.append("appsrc"+
" name=src"+
" max-bytes=32768"+
" emit-signals=0"+
" block=0"+
" is-live=0"+
" stream-type=stream"+
" format=4")
pipeline_els.append(parser)
pipeline_els.append(decoder_str)
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
queue_el = "queue" + \
" name=queue"+ \
" max-size-buffers=0"+ \
" max-size-bytes=0"+ \
" max-size-time=%s" % QUEUE_TIME+ \
" leaky=%s" % QUEUE_LEAK
if QUEUE_SILENT:
queue_el.append(" silent=%s" % QUEUE_SILENT)
pipeline_els.append(queue_el)
pipeline_els.append(sink_type)
self.setup_pipeline_and_bus(pipeline_els)
self.src = self.pipeline.get_by_name("src")
self.queue = self.pipeline.get_by_name("queue")
self.overruns = 0
self.queue_state = "starting"
if QUEUE_SILENT==0:
self.queue.connect("overrun", self.queue_overrun)
self.queue.connect("underrun", self.queue_underrun)
self.queue.connect("running", self.queue_running)
self.queue.connect("pushing", self.queue_pushing)
def __init__(self, src_type=DEFAULT_SRC, src_options={}, codec=MP3, encoder_options={}):
assert src_type in SOURCES
encoders = get_encoders(codec)
assert len(encoders)>0, "no encoders found for %s" % codec
SoundPipeline.__init__(self, codec)
self.src_type = src_type
source_str = plugin_str(src_type, src_options)
encoder = encoders[0]
encoder_str = plugin_str(encoder, encoder_options)
pipeline_els = [source_str]
pipeline_els += ["audioconvert",
"audioresample",
encoder_str,
"appsink name=sink"]
self.setup_pipeline_and_bus(pipeline_els)
self.sink = self.pipeline.get_by_name("sink")
self.sink.set_property("emit-signals", True)
self.sink.set_property("max-buffers", 10)
self.sink.set_property("drop", False)
self.sink.set_property("sync", True)
self.sink.set_property("qos", False)
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll)
def __init__(self, src_type=None, src_options={}, codecs=get_codecs(), codec_options={}, volume=1.0):
if not src_type:
try:
from xpra.sound.pulseaudio.pulseaudio_util import get_pa_device_options
monitor_devices = get_pa_device_options(True, False)
log.info("found pulseaudio monitor devices: %s", monitor_devices)
except ImportError as e:
log.warn("Warning: pulseaudio is not available!")
log.warn(" %s", e)
monitor_devices = []
if len(monitor_devices)==0:
log.warn("could not detect any pulseaudio monitor devices")
log.warn(" a test source will be used instead")
src_type = "audiotestsrc"
default_src_options = {"wave":2, "freq":100, "volume":0.4}
else:
monitor_device = monitor_devices.items()[0][0]
log.info("using pulseaudio source device:")
log.info(" '%s'", monitor_device)
src_type = "pulsesrc"
default_src_options = {"device" : monitor_device}
src_options = default_src_options
if src_type not in get_source_plugins():
raise InitExit(1, "invalid source plugin '%s', valid options are: %s" % (src_type, ",".join(get_source_plugins())))
matching = [x for x in CODEC_ORDER if (x in codecs and x in get_codecs())]
log("SoundSource(..) found matching codecs %s", matching)
if not matching:
raise InitExit(1, "no matching codecs between arguments '%s' and supported list '%s'" % (csv(codecs), csv(get_codecs().keys())))
codec = matching[0]
encoder, fmt = get_encoder_formatter(codec)
self.queue = None
self.caps = None
self.volume = None
self.sink = None
self.src = None
self.src_type = src_type
self.buffer_latency = False
self.jitter_queue = None
self.file = None
SoundPipeline.__init__(self, codec)
src_options["name"] = "src"
source_str = plugin_str(src_type, src_options)
#FIXME: this is ugly and relies on the fact that we don't pass any codec options to work!
encoder_str = plugin_str(encoder, codec_options or get_encoder_default_options(encoder))
fmt_str = plugin_str(fmt, MUXER_DEFAULT_OPTIONS.get(fmt, {}))
pipeline_els = [source_str]
if SOURCE_QUEUE_TIME>0:
queue_el = ["queue",
"name=queue",
"min-threshold-time=0",
"max-size-buffers=0",
"max-size-bytes=0",
"max-size-time=%s" % (SOURCE_QUEUE_TIME*MS_TO_NS),
"leaky=%s" % GST_QUEUE_LEAK_DOWNSTREAM]
pipeline_els += [" ".join(queue_el)]
if encoder in ENCODER_NEEDS_AUDIOCONVERT or src_type in SOURCE_NEEDS_AUDIOCONVERT:
pipeline_els += ["audioconvert"]
pipeline_els.append("volume name=volume volume=%s" % volume)
pipeline_els += [encoder_str,
fmt_str,
APPSINK]
if not self.setup_pipeline_and_bus(pipeline_els):
return
self.volume = self.pipeline.get_by_name("volume")
self.sink = self.pipeline.get_by_name("sink")
if SOURCE_QUEUE_TIME>0:
self.queue = self.pipeline.get_by_name("queue")
if self.queue:
try:
self.queue.set_property("silent", True)
except Exception as e:
log("cannot make queue silent: %s", e)
try:
if get_gst_version()<(1,0):
self.sink.set_property("enable-last-buffer", False)
else:
self.sink.set_property("enable-last-sample", False)
except Exception as e:
log("failed to disable last buffer: %s", e)
self.skipped_caps = set()
if JITTER>0:
self.jitter_queue = Queue()
try:
#Gst 1.0:
self.sink.connect("new-sample", self.on_new_sample)
self.sink.connect("new-preroll", self.on_new_preroll1)
except:
#Gst 0.10:
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll0)
self.src = self.pipeline.get_by_name("src")
try:
for x in ("actual-buffer-time", "actual-latency-time"):
#don't comment this out, it is used to verify the attributes are present:
gstlog("initial %s: %s", x, self.src.get_property(x))
self.buffer_latency = True
except Exception as e:
log.info("source %s does not support 'buffer-time' or 'latency-time':", self.src_type)
log.info(" %s", e)
else:
#if the env vars have been set, try to honour the settings:
global BUFFER_TIME, LATENCY_TIME
if BUFFER_TIME>0:
if BUFFER_TIME<LATENCY_TIME:
log.warn("Warning: latency (%ims) must be lower than the buffer time (%ims)", LATENCY_TIME, BUFFER_TIME)
else:
log("latency tuning for %s, will try to set buffer-time=%i, latency-time=%i", src_type, BUFFER_TIME, LATENCY_TIME)
def settime(attr, v):
try:
cval = self.src.get_property(attr)
gstlog("default: %s=%i", attr, cval//1000)
if v>=0:
self.src.set_property(attr, v*1000)
gstlog("overriding with: %s=%i", attr, v)
except Exception as e:
log.warn("source %s does not support '%s': %s", self.src_type, attr, e)
settime("buffer-time", BUFFER_TIME)
settime("latency-time", LATENCY_TIME)
gen = generation.increase()
if SAVE_TO_FILE is not None:
parts = codec.split("+")
if len(parts)>1:
filename = SAVE_TO_FILE+str(gen)+"-"+parts[0]+".%s" % parts[1]
else:
filename = SAVE_TO_FILE+str(gen)+".%s" % codec
self.file = open(filename, 'wb')
log.info("saving %s stream to %s", codec, filename)
def __init__(self, sink_type=None, sink_options={}, codecs=get_codecs(), codec_options={}, volume=1.0):
if not sink_type:
sink_type = DEFAULT_SINK
if sink_type not in SINKS:
raise InitExit(1, "invalid sink: %s" % sink_type)
matching = [x for x in CODEC_ORDER if (x in codecs and x in get_codecs())]
log("SoundSink(..) found matching codecs %s", matching)
if not matching:
raise InitExit(1, "no matching codecs between arguments '%s' and supported list '%s'" % (csv(codecs), csv(get_codecs().keys())))
codec = matching[0]
decoder, parser = get_decoder_parser(codec)
SoundPipeline.__init__(self, codec)
self.sink_type = sink_type
self.levels = deque(maxlen=100)
self.volume = None
self.src = None
self.queue = None
self.normal_volume = volume
self.target_volume = volume
self.volume_timer = 0
self.overruns = 0
self.underruns = 0
self.overrun_events = deque(maxlen=100)
self.queue_state = "starting"
self.last_data = None
self.last_underrun = 0
self.last_overrun = 0
self.last_max_update = time.time()
self.level_lock = Lock()
decoder_str = plugin_str(decoder, codec_options)
pipeline_els = []
appsrc_el = ["appsrc",
"do-timestamp=1",
"name=src",
"emit-signals=0",
"block=0",
"is-live=0",
"stream-type=%s" % STREAM_TYPE,
"format=%s" % BUFFER_FORMAT]
pipeline_els.append(" ".join(appsrc_el))
pipeline_els.append(parser)
pipeline_els.append(decoder_str)
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
pipeline_els.append("volume name=volume volume=0")
if QUEUE_TIME>0:
pipeline_els.append(" ".join(["queue",
"name=queue",
"min-threshold-time=0",
"max-size-buffers=0",
"max-size-bytes=0",
"max-size-time=%s" % QUEUE_TIME,
"leaky=%s" % QUEUE_LEAK]))
sink_attributes = SINK_SHARED_DEFAULT_ATTRIBUTES.copy()
from xpra.sound.gstreamer_util import gst_major_version, get_gst_version
#anything older than this may cause problems (ie: centos 6.x)
#because the attributes may not exist
if get_gst_version()>=(0, 10, 36):
sink_attributes.update(SINK_DEFAULT_ATTRIBUTES.get(gst_major_version, {}).get(sink_type, {}))
get_options_cb = DEFAULT_SINK_PLUGIN_OPTIONS.get(sink_type.replace("sink", ""))
if get_options_cb:
v = get_options_cb()
log("%s()=%s", get_options_cb, v)
sink_attributes.update(v)
sink_attributes.update(sink_options)
sink_str = plugin_str(sink_type, sink_attributes)
pipeline_els.append(sink_str)
if not self.setup_pipeline_and_bus(pipeline_els):
return
self.volume = self.pipeline.get_by_name("volume")
self.src = self.pipeline.get_by_name("src")
self.queue = self.pipeline.get_by_name("queue")
if get_gst_version()<(1, ):
self.add_data = self.add_data0
else:
self.add_data = self.add_data1
if self.queue:
if not QUEUE_SILENT:
if get_gst_version()<(1, ):
self.queue.connect("overrun", self.queue_overrun0)
self.queue.connect("underrun", self.queue_underrun0)
self.queue.connect("running", self.queue_running0)
self.queue.connect("pushing", self.queue_pushing0)
else:
self.queue.connect("overrun", self.queue_overrun1)
self.queue.connect("underrun", self.queue_underrun1)
self.queue.connect("running", self.queue_running1)
self.queue.connect("pushing", self.queue_pushing1)
else:
#older versions may not have the "silent" attribute,
#in which case we will emit the signals for nothing
try:
self.queue.set_property("silent", False)
except Exception as e:
log("cannot silence the queue %s: %s", self.queue, e)
def __init__(self, src_type=None, src_options={}, codecs=CODECS, codec_options={}, volume=1.0):
if not src_type:
from xpra.sound.pulseaudio_util import get_pa_device_options
monitor_devices = get_pa_device_options(True, False)
log.info("found pulseaudio monitor devices: %s", monitor_devices)
if len(monitor_devices)==0:
log.warn("could not detect any pulseaudio monitor devices - will use a test source")
src_type = "audiotestsrc"
default_src_options = {"wave":2, "freq":100, "volume":0.4}
else:
monitor_device = monitor_devices.items()[0][0]
log.info("using pulseaudio source device: %s", monitor_device)
src_type = "pulsesrc"
default_src_options = {"device" : monitor_device}
src_options = default_src_options
src_options.update(src_options)
assert src_type in get_source_plugins(), "invalid source plugin '%s'" % src_type
matching = [x for x in CODEC_ORDER if (x in codecs and x in CODECS)]
log("SoundSource(..) found matching codecs %s", matching)
assert len(matching)>0, "no matching codecs between arguments %s and supported list %s" % (codecs, CODECS)
codec = matching[0]
encoder, fmt = get_encoder_formatter(codec)
SoundPipeline.__init__(self, codec)
self.src_type = src_type
source_str = plugin_str(src_type, src_options)
encoder_str = plugin_str(encoder, codec_options)
fmt_str = plugin_str(fmt, MUXER_DEFAULT_OPTIONS.get(fmt, {}))
pipeline_els = [source_str]
if AUDIOCONVERT:
pipeline_els += ["audioconvert"]
if AUDIORESAMPLE:
pipeline_els += [
"audioresample",
"audio/x-raw-int,rate=44100,channels=2"]
pipeline_els.append("volume name=volume volume=%s" % volume)
if QUEUE_TIME>0:
queue_el = ["queue",
"name=queue",
"max-size-buffers=0",
"max-size-bytes=0",
"max-size-time=%s" % QUEUE_TIME,
"leaky=%s" % QUEUE_LEAK]
pipeline_els.append(" ".join(queue_el))
pipeline_els += [encoder_str,
fmt_str,
"appsink name=sink"]
self.setup_pipeline_and_bus(pipeline_els)
self.volume = self.pipeline.get_by_name("volume")
self.sink = self.pipeline.get_by_name("sink")
self.sink.set_property("emit-signals", True)
self.sink.set_property("max-buffers", 10) #0?
self.sink.set_property("drop", False)
self.sink.set_property("sync", True) #False?
self.sink.set_property("qos", False)
try:
#Gst 1.0:
self.sink.connect("new-sample", self.on_new_sample)
self.sink.connect("new-preroll", self.on_new_preroll1)
except:
#Gst 0.10:
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll0)
def __init__(self, sink_type=None, sink_options={}, codecs=get_codecs(), codec_options={}, volume=1.0):
if not sink_type:
sink_type = DEFAULT_SINK
if sink_type not in SINKS:
raise InitExit(1, "invalid sink: %s" % sink_type)
matching = [x for x in CODEC_ORDER if (x in codecs and x in get_codecs())]
log("SoundSink(..) found matching codecs %s", matching)
if not matching:
raise InitExit(1, "no matching codecs between arguments '%s' and supported list '%s'" % (csv(codecs), csv(get_codecs().keys())))
codec = matching[0]
decoder, parser = get_decoder_parser(codec)
SoundPipeline.__init__(self, codec)
self.sink_type = sink_type
self.levels = deque(maxlen=100)
decoder_str = plugin_str(decoder, codec_options)
pipeline_els = []
appsrc_el = ["appsrc",
"do-timestamp=1",
"name=src",
"emit-signals=0",
"block=0",
"is-live=0",
"stream-type=stream",
"format=%s" % GST_FORMAT_BUFFERS]
pipeline_els.append(" ".join(appsrc_el))
pipeline_els.append(parser)
pipeline_els.append(decoder_str)
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
pipeline_els.append("volume name=volume volume=%s" % volume)
queue_el = ["queue",
"name=queue",
"min-threshold-time=0",
"max-size-buffers=0",
"max-size-bytes=0",
"max-size-time=%s" % QUEUE_TIME,
"leaky=%s" % QUEUE_LEAK]
if QUEUE_SILENT:
queue_el.append("silent=%s" % QUEUE_SILENT)
pipeline_els.append(" ".join(queue_el))
sink_attributes = SINK_SHARED_DEFAULT_ATTRIBUTES.copy()
from xpra.sound.gstreamer_util import gst_major_version, get_gst_version
#anything older than this may cause problems (ie: centos 6.x)
#because the attributes may not exist
if get_gst_version()>=(0, 10, 36):
sink_attributes.update(SINK_DEFAULT_ATTRIBUTES.get(gst_major_version, {}).get(sink_type, {}))
sink_attributes.update(sink_options)
sink_str = plugin_str(sink_type, sink_attributes)
pipeline_els.append(sink_str)
self.setup_pipeline_and_bus(pipeline_els)
self.volume = self.pipeline.get_by_name("volume")
self.src = self.pipeline.get_by_name("src")
self.queue = self.pipeline.get_by_name("queue")
self.overruns = 0
self.underruns = 0
self.overrun_events = deque(maxlen=100)
self.underrun_events = deque(maxlen=100)
self.queue_state = "starting"
self.last_underrun = 0
self.last_overrun = 0
self.last_max_update = time.time()
self.level_lock = Lock()
if QUEUE_SILENT==0:
self.queue.connect("overrun", self.queue_overrun)
self.queue.connect("underrun", self.queue_underrun)
self.queue.connect("running", self.queue_running)
self.queue.connect("pushing", self.queue_pushing)
def __init__(self, sink_type=None, sink_options={}, codecs=get_decoders(), codec_options={}, volume=1.0):
if not sink_type:
sink_type = get_default_sink()
if sink_type not in get_sink_plugins():
raise InitExit(1, "invalid sink: %s" % sink_type)
matching = [x for x in CODEC_ORDER if (x in codecs and x in get_decoders())]
log("SoundSink(..) found matching codecs %s", matching)
if not matching:
raise InitExit(1, "no matching codecs between arguments '%s' and supported list '%s'" % (csv(codecs), csv(get_decoders().keys())))
codec = matching[0]
decoder, parser, self.stream_compressor = get_decoder_elements(codec)
SoundPipeline.__init__(self, codec)
self.container_format = (parser or "").replace("demux", "").replace("depay", "")
self.sink_type = sink_type
self.levels = deque(maxlen=100)
self.volume = None
self.src = None
self.queue = None
self.normal_volume = volume
self.target_volume = volume
self.volume_timer = 0
self.overruns = 0
self.underruns = 0
self.overrun_events = deque(maxlen=100)
self.queue_state = "starting"
self.last_data = None
self.last_underrun = 0
self.last_overrun = 0
self.last_max_update = time.time()
self.last_min_update = time.time()
self.level_lock = Lock()
pipeline_els = []
appsrc_el = ["appsrc",
"do-timestamp=1",
"name=src",
"emit-signals=0",
"block=0",
"is-live=0",
"stream-type=%s" % STREAM_TYPE,
"format=%s" % BUFFER_FORMAT]
pipeline_els.append(" ".join(appsrc_el))
if parser:
pipeline_els.append(parser)
if decoder:
decoder_str = plugin_str(decoder, codec_options)
pipeline_els.append(decoder_str)
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
pipeline_els.append("volume name=volume volume=0")
if QUEUE_TIME>0:
pipeline_els.append(" ".join(["queue",
"name=queue",
"min-threshold-time=0",
"max-size-buffers=0",
"max-size-bytes=0",
"max-size-time=%s" % QUEUE_TIME,
"leaky=%s" % QUEUE_LEAK]))
sink_attributes = SINK_SHARED_DEFAULT_ATTRIBUTES.copy()
#anything older than this may cause problems (ie: centos 6.x)
#because the attributes may not exist
sink_attributes.update(SINK_DEFAULT_ATTRIBUTES.get(sink_type, {}))
get_options_cb = DEFAULT_SINK_PLUGIN_OPTIONS.get(sink_type.replace("sink", ""))
if get_options_cb:
v = get_options_cb()
log("%s()=%s", get_options_cb, v)
sink_attributes.update(v)
sink_attributes.update(sink_options)
sink_str = plugin_str(sink_type, sink_attributes)
pipeline_els.append(sink_str)
if not self.setup_pipeline_and_bus(pipeline_els):
return
self.volume = self.pipeline.get_by_name("volume")
self.src = self.pipeline.get_by_name("src")
self.queue = self.pipeline.get_by_name("queue")
if self.queue:
if QUEUE_SILENT:
self.queue.set_property("silent", False)
else:
self.queue.connect("overrun", self.queue_overrun)
self.queue.connect("underrun", self.queue_underrun)
self.queue.connect("running", self.queue_running)
self.queue.connect("pushing", self.queue_pushing)
def __init__(self,
src_type=None,
src_options={},
codecs=get_encoders(),
codec_options={},
volume=1.0):
if not src_type:
try:
from xpra.sound.pulseaudio.pulseaudio_util import get_pa_device_options
monitor_devices = get_pa_device_options(True, False)
log.info("found pulseaudio monitor devices: %s",
monitor_devices)
except ImportError as e:
log.warn("Warning: pulseaudio is not available!")
log.warn(" %s", e)
monitor_devices = []
if len(monitor_devices) == 0:
log.warn("could not detect any pulseaudio monitor devices")
log.warn(" a test source will be used instead")
src_type = "audiotestsrc"
default_src_options = {"wave": 2, "freq": 100, "volume": 0.4}
else:
monitor_device = monitor_devices.items()[0][0]
log.info("using pulseaudio source device:")
log.info(" '%s'", monitor_device)
src_type = "pulsesrc"
default_src_options = {"device": monitor_device}
src_options = default_src_options
if src_type not in get_source_plugins():
raise InitExit(
1, "invalid source plugin '%s', valid options are: %s" %
(src_type, ",".join(get_source_plugins())))
matching = [
x for x in CODEC_ORDER if (x in codecs and x in get_encoders())
]
log("SoundSource(..) found matching codecs %s", matching)
if not matching:
raise InitExit(
1,
"no matching codecs between arguments '%s' and supported list '%s'"
% (csv(codecs), csv(get_encoders().keys())))
codec = matching[0]
encoder, fmt, stream_compressor = get_encoder_elements(codec)
SoundPipeline.__init__(self, codec)
self.queue = None
self.caps = None
self.volume = None
self.sink = None
self.src = None
self.src_type = src_type
self.pending_metadata = []
self.buffer_latency = True
self.jitter_queue = None
self.file = None
self.container_format = (fmt or "").replace("mux",
"").replace("pay", "")
self.stream_compressor = stream_compressor
src_options["name"] = "src"
source_str = plugin_str(src_type, src_options)
#FIXME: this is ugly and relies on the fact that we don't pass any codec options to work!
pipeline_els = [source_str]
if SOURCE_QUEUE_TIME > 0:
queue_el = [
"queue", "name=queue", "min-threshold-time=0",
"max-size-buffers=0", "max-size-bytes=0",
"max-size-time=%s" % (SOURCE_QUEUE_TIME * MS_TO_NS),
"leaky=%s" % GST_QUEUE_LEAK_DOWNSTREAM
]
pipeline_els += [" ".join(queue_el)]
if encoder in ENCODER_NEEDS_AUDIOCONVERT or src_type in SOURCE_NEEDS_AUDIOCONVERT:
pipeline_els += ["audioconvert"]
pipeline_els.append("volume name=volume volume=%s" % volume)
if encoder:
encoder_str = plugin_str(
encoder, codec_options or get_encoder_default_options(encoder))
pipeline_els.append(encoder_str)
if fmt:
fmt_str = plugin_str(fmt, MUXER_DEFAULT_OPTIONS.get(fmt, {}))
pipeline_els.append(fmt_str)
pipeline_els.append(APPSINK)
if not self.setup_pipeline_and_bus(pipeline_els):
return
self.volume = self.pipeline.get_by_name("volume")
self.sink = self.pipeline.get_by_name("sink")
if SOURCE_QUEUE_TIME > 0:
self.queue = self.pipeline.get_by_name("queue")
if self.queue:
try:
self.queue.set_property("silent", True)
except Exception as e:
log("cannot make queue silent: %s", e)
try:
if get_gst_version() < (1, 0):
self.sink.set_property("enable-last-buffer", False)
else:
self.sink.set_property("enable-last-sample", False)
except Exception as e:
log("failed to disable last buffer: %s", e)
self.skipped_caps = set()
if JITTER > 0:
self.jitter_queue = Queue()
try:
#Gst 1.0:
self.sink.connect("new-sample", self.on_new_sample)
self.sink.connect("new-preroll", self.on_new_preroll1)
except:
#Gst 0.10:
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll0)
self.src = self.pipeline.get_by_name("src")
try:
for x in ("actual-buffer-time", "actual-latency-time"):
#don't comment this out, it is used to verify the attributes are present:
try:
gstlog("initial %s: %s", x, self.src.get_property(x))
except Exception as e:
self.buffer_latency = False
except Exception as e:
log.info(
"source %s does not support 'buffer-time' or 'latency-time':",
self.src_type)
log.info(" %s", e)
else:
#if the env vars have been set, try to honour the settings:
global BUFFER_TIME, LATENCY_TIME
if BUFFER_TIME > 0:
if BUFFER_TIME < LATENCY_TIME:
log.warn(
"Warning: latency (%ims) must be lower than the buffer time (%ims)",
LATENCY_TIME, BUFFER_TIME)
else:
log(
"latency tuning for %s, will try to set buffer-time=%i, latency-time=%i",
src_type, BUFFER_TIME, LATENCY_TIME)
def settime(attr, v):
try:
cval = self.src.get_property(attr)
gstlog("default: %s=%i", attr, cval // 1000)
if v >= 0:
self.src.set_property(attr, v * 1000)
gstlog("overriding with: %s=%i", attr, v)
except Exception as e:
log.warn("source %s does not support '%s': %s",
self.src_type, attr, e)
settime("buffer-time", BUFFER_TIME)
settime("latency-time", LATENCY_TIME)
gen = generation.increase()
if SAVE_TO_FILE is not None:
parts = codec.split("+")
if len(parts) > 1:
filename = SAVE_TO_FILE + str(
gen) + "-" + parts[0] + ".%s" % parts[1]
else:
filename = SAVE_TO_FILE + str(gen) + ".%s" % codec
self.file = open(filename, 'wb')
log.info("saving %s stream to %s", codec, filename)
def __init__(self,
sink_type=None,
sink_options={},
codecs=get_decoders(),
codec_options={},
volume=1.0):
if not sink_type:
sink_type = get_default_sink()
if sink_type not in get_sink_plugins():
raise InitExit(1, "invalid sink: %s" % sink_type)
matching = [
x for x in CODEC_ORDER if (x in codecs and x in get_decoders())
]
log("SoundSink(..) found matching codecs %s", matching)
if not matching:
raise InitExit(
1,
"no matching codecs between arguments '%s' and supported list '%s'"
% (csv(codecs), csv(get_decoders().keys())))
codec = matching[0]
decoder, parser, stream_compressor = get_decoder_elements(codec)
SoundPipeline.__init__(self, codec)
self.container_format = (parser
or "").replace("demux",
"").replace("depay", "")
self.sink_type = sink_type
self.stream_compressor = stream_compressor
log("container format=%s, stream_compressor=%s, sink type=%s",
self.container_format, self.stream_compressor, self.sink_type)
self.levels = deque(maxlen=100)
self.volume = None
self.src = None
self.queue = None
self.normal_volume = volume
self.target_volume = volume
self.volume_timer = 0
self.overruns = 0
self.underruns = 0
self.overrun_events = deque(maxlen=100)
self.queue_state = "starting"
self.last_data = None
self.last_underrun = 0
self.last_overrun = 0
self.refill = True
self.last_max_update = monotonic_time()
self.last_min_update = monotonic_time()
self.level_lock = Lock()
pipeline_els = []
appsrc_el = [
"appsrc",
#"do-timestamp=1",
"name=src",
"emit-signals=0",
"block=0",
"is-live=0",
"stream-type=%s" % STREAM_TYPE,
"format=%s" % BUFFER_FORMAT
]
pipeline_els.append(" ".join(appsrc_el))
if parser:
pipeline_els.append(parser)
if decoder:
decoder_str = plugin_str(decoder, codec_options)
pipeline_els.append(decoder_str)
pipeline_els.append("audioconvert")
pipeline_els.append("audioresample")
if QUEUE_TIME > 0:
pipeline_els.append(" ".join([
"queue", "name=queue", "min-threshold-time=0",
"max-size-buffers=0", "max-size-bytes=0",
"max-size-time=%s" % QUEUE_TIME,
"leaky=%s" % QUEUE_LEAK
]))
pipeline_els.append("volume name=volume volume=0")
sink_attributes = SINK_SHARED_DEFAULT_ATTRIBUTES.copy()
#anything older than this may cause problems (ie: centos 6.x)
#because the attributes may not exist
sink_attributes.update(SINK_DEFAULT_ATTRIBUTES.get(sink_type, {}))
get_options_cb = DEFAULT_SINK_PLUGIN_OPTIONS.get(
sink_type.replace("sink", ""))
if get_options_cb:
v = get_options_cb()
log("%s()=%s", get_options_cb, v)
sink_attributes.update(v)
sink_attributes.update(sink_options)
sink_str = plugin_str(sink_type, sink_attributes)
pipeline_els.append(sink_str)
if not self.setup_pipeline_and_bus(pipeline_els):
return
self.volume = self.pipeline.get_by_name("volume")
self.src = self.pipeline.get_by_name("src")
self.queue = self.pipeline.get_by_name("queue")
if self.queue:
if QUEUE_SILENT:
self.queue.set_property("silent", False)
else:
self.queue.connect("overrun", self.queue_overrun)
self.queue.connect("underrun", self.queue_underrun)
self.queue.connect("running", self.queue_running)
self.queue.connect("pushing", self.queue_pushing)
def __init__(self,
src_type=None,
src_options={},
codecs=CODECS,
codec_options={},
volume=1.0):
if not src_type:
from xpra.sound.pulseaudio_util import get_pa_device_options
monitor_devices = get_pa_device_options(True, False)
log.info("found pulseaudio monitor devices: %s", monitor_devices)
if len(monitor_devices) == 0:
log.warn(
"could not detect any pulseaudio monitor devices - will use a test source"
)
src_type = "audiotestsrc"
default_src_options = {"wave": 2, "freq": 100, "volume": 0.4}
else:
monitor_device = monitor_devices.items()[0][0]
log.info("using pulseaudio source device: %s", monitor_device)
src_type = "pulsesrc"
default_src_options = {"device": monitor_device}
src_options = default_src_options
src_options.update(src_options)
assert src_type in get_source_plugins(
), "invalid source plugin '%s'" % src_type
matching = [x for x in CODEC_ORDER if (x in codecs and x in CODECS)]
log("SoundSource(..) found matching codecs %s", matching)
assert len(
matching
) > 0, "no matching codecs between arguments %s and supported list %s" % (
codecs, CODECS)
codec = matching[0]
encoder, fmt = get_encoder_formatter(codec)
SoundPipeline.__init__(self, codec)
self.src_type = src_type
source_str = plugin_str(src_type, src_options)
encoder_str = plugin_str(encoder, codec_options)
fmt_str = plugin_str(fmt, MUXER_DEFAULT_OPTIONS.get(fmt, {}))
pipeline_els = [source_str]
if AUDIOCONVERT:
pipeline_els += ["audioconvert"]
if AUDIORESAMPLE:
pipeline_els += [
"audioresample", "audio/x-raw-int,rate=44100,channels=2"
]
pipeline_els.append("volume name=volume volume=%s" % volume)
if QUEUE_TIME > 0:
queue_el = [
"queue", "name=queue", "max-size-buffers=0",
"max-size-bytes=0",
"max-size-time=%s" % QUEUE_TIME,
"leaky=%s" % QUEUE_LEAK
]
pipeline_els.append(" ".join(queue_el))
pipeline_els += [encoder_str, fmt_str, "appsink name=sink"]
self.setup_pipeline_and_bus(pipeline_els)
self.volume = self.pipeline.get_by_name("volume")
self.sink = self.pipeline.get_by_name("sink")
self.sink.set_property("emit-signals", True)
self.sink.set_property("max-buffers", 10) #0?
self.sink.set_property("drop", False)
self.sink.set_property("sync", True) #False?
self.sink.set_property("qos", False)
try:
#Gst 1.0:
self.sink.connect("new-sample", self.on_new_sample)
self.sink.connect("new-preroll", self.on_new_preroll1)
except:
#Gst 0.10:
self.sink.connect("new-buffer", self.on_new_buffer)
self.sink.connect("new-preroll", self.on_new_preroll0)