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, 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)
