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 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()
from xpra.sound.gstreamer_util import plugin_str, get_decoder_parser, get_queue_time, normv, get_codecs, get_default_sink, get_sink_plugins, \ MP3, CODEC_ORDER, gst, QUEUE_LEAK, GST_QUEUE_NO_LEAK, MS_TO_NS, DEFAULT_SINK_PLUGIN_OPTIONS from xpra.gtk_common.gobject_compat import import_glib from xpra.scripts.config import InitExit from xpra.util import csv from xpra.os_util import thread from xpra.log import Logger log = Logger("sound") gstlog = Logger("gstreamer") glib = import_glib() SINKS = get_sink_plugins() DEFAULT_SINK = get_default_sink() SINK_SHARED_DEFAULT_ATTRIBUTES = {"sync" : False, "async" : True, "qos" : True } SINK_DEFAULT_ATTRIBUTES = {0 : { "pulsesink" : {"client" : "Xpra"} }, 1 : { "pulsesink" : {"client-name" : "Xpra"} }, } QUEUE_SILENT = os.environ.get("XPRA_QUEUE_SILENT", "0")=="1"
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)
from xpra.sound.sound_pipeline import SoundPipeline from xpra.gtk_common.gobject_util import one_arg_signal, gobject from xpra.sound.gstreamer_util import plugin_str, get_decoder_parser, get_queue_time, normv, get_codecs, get_default_sink, get_sink_plugins, \ MP3, CODEC_ORDER, gst, QUEUE_LEAK, GST_QUEUE_NO_LEAK, MS_TO_NS, DEFAULT_SINK_PLUGIN_OPTIONS from xpra.scripts.config import InitExit from xpra.util import csv from xpra.os_util import thread from xpra.log import Logger log = Logger("sound") gstlog = Logger("gstreamer") SINKS = get_sink_plugins() DEFAULT_SINK = get_default_sink() SINK_SHARED_DEFAULT_ATTRIBUTES = {"sync" : False, "async" : True, "qos" : True } SINK_DEFAULT_ATTRIBUTES = {0 : { "pulsesink" : {"client" : "Xpra"} }, 1 : { "pulsesink" : {"client-name" : "Xpra"} }, } QUEUE_SILENT = 0