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
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_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 main():
from xpra.platform import program_context
with program_context("Xpra-Sound-Source"):
import os.path
if "-v" in sys.argv:
log.enable_debug()
sys.argv.remove("-v")
if len(sys.argv) not in (2, 3):
log.error("usage: %s filename [codec] [--encoder=rencode]",
sys.argv[0])
return 1
filename = sys.argv[1]
if filename == "-":
from xpra.os_util import disable_stdout_buffering
disable_stdout_buffering()
elif os.path.exists(filename):
log.error("file %s already exists", filename)
return 1
codec = None
encoders = get_encoders()
if len(sys.argv) == 3:
codec = sys.argv[2]
if codec not in encoders:
log.error("invalid codec: %s, codecs supported: %s", codec,
encoders)
return 1
else:
parts = filename.split(".")
if len(parts) > 1:
extension = parts[-1]
if extension.lower() in encoders:
codec = extension.lower()
log.info("guessed codec %s from file extension %s", codec,
extension)
if codec is None:
codec = MP3
log.info("using default codec: %s", codec)
#in case we're running against pulseaudio,
#try to setup the env:
try:
from xpra.platform.paths import get_icon_filename
f = get_icon_filename("xpra.png")
from xpra.sound.pulseaudio.pulseaudio_util import add_audio_tagging_env
add_audio_tagging_env(icon_path=f)
except Exception as e:
log.warn("failed to setup pulseaudio tagging: %s", e)
from threading import Lock
if filename == "-":
f = sys.stdout
else:
f = open(filename, "wb")
ss = SoundSource(codecs=[codec])
lock = Lock()
def new_buffer(ss, data, metadata, packet_metadata):
log.info("new buffer: %s bytes (%s), metadata=%s", len(data),
type(data), metadata)
with lock:
if f:
for x in packet_metadata:
f.write(x)
f.write(data)
f.flush()
from xpra.gtk_common.gobject_compat import import_glib
glib = import_glib()
glib_mainloop = glib.MainLoop()
ss.connect("new-buffer", new_buffer)
ss.start()
import signal
def deadly_signal(sig, frame):
log.warn("got deadly signal %s", SIGNAMES.get(sig, sig))
glib.idle_add(ss.stop)
glib.idle_add(glib_mainloop.quit)
def force_quit(sig, frame):
sys.exit()
signal.signal(signal.SIGINT, force_quit)
signal.signal(signal.SIGTERM, force_quit)
from xpra.gtk_common.gobject_compat import is_gtk3
if not is_gtk3():
signal.signal(signal.SIGINT, deadly_signal)
signal.signal(signal.SIGTERM, deadly_signal)
try:
glib_mainloop.run()
except Exception as e:
log.error("main loop error: %s", e)
ss.stop()
f.flush()
if f != sys.stdout:
log.info("wrote %s bytes to %s", f.tell(), filename)
with lock:
f.close()
f = None
return 0
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, self.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 = False
self.jitter_queue = None
self.file = None
self.container_format = (fmt or "").replace("mux", "").replace("pay", "")
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)
self.sink.set_property("enable-last-sample", False)
self.skipped_caps = set()
if JITTER>0:
self.jitter_queue = Queue()
#Gst 1.0:
self.sink.connect("new-sample", self.on_new_sample)
self.sink.connect("new-preroll", self.on_new_preroll)
self.src = self.pipeline.get_by_name("src")
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
#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 main():
from xpra.platform import program_context
with program_context("Xpra-Sound-Source"):
import os.path
if "-v" in sys.argv:
log.enable_debug()
sys.argv.remove("-v")
if len(sys.argv) not in (2, 3):
log.error("usage: %s filename [codec] [--encoder=rencode]", sys.argv[0])
return 1
filename = sys.argv[1]
if filename=="-":
from xpra.os_util import disable_stdout_buffering
disable_stdout_buffering()
elif os.path.exists(filename):
log.error("file %s already exists", filename)
return 1
codec = None
encoders = get_encoders()
if len(sys.argv)==3:
codec = sys.argv[2]
if codec not in encoders:
log.error("invalid codec: %s, codecs supported: %s", codec, encoders)
return 1
else:
parts = filename.split(".")
if len(parts)>1:
extension = parts[-1]
if extension.lower() in encoders:
codec = extension.lower()
log.info("guessed codec %s from file extension %s", codec, extension)
if codec is None:
codec = MP3
log.info("using default codec: %s", codec)
#in case we're running against pulseaudio,
#try to setup the env:
try:
from xpra.platform.paths import get_icon_filename
f = get_icon_filename("xpra.png")
from xpra.sound.pulseaudio.pulseaudio_util import add_audio_tagging_env
add_audio_tagging_env(icon_path=f)
except Exception as e:
log.warn("failed to setup pulseaudio tagging: %s", e)
from threading import Lock
if filename=="-":
f = sys.stdout
else:
f = open(filename, "wb")
ss = SoundSource(codecs=[codec])
lock = Lock()
def new_buffer(ss, data, metadata, packet_metadata):
log.info("new buffer: %s bytes (%s), metadata=%s", len(data), type(data), metadata)
with lock:
if f:
for x in packet_metadata:
f.write(x)
f.write(data)
f.flush()
from xpra.gtk_common.gobject_compat import import_glib
glib = import_glib()
glib_mainloop = glib.MainLoop()
ss.connect("new-buffer", new_buffer)
ss.start()
import signal
def deadly_signal(sig, frame):
log.warn("got deadly signal %s", SIGNAMES.get(sig, sig))
glib.idle_add(ss.stop)
glib.idle_add(glib_mainloop.quit)
def force_quit(sig, frame):
sys.exit()
signal.signal(signal.SIGINT, force_quit)
signal.signal(signal.SIGTERM, force_quit)
from xpra.gtk_common.gobject_compat import is_gtk3
if not is_gtk3():
signal.signal(signal.SIGINT, deadly_signal)
signal.signal(signal.SIGTERM, deadly_signal)
try:
glib_mainloop.run()
except Exception as e:
log.error("main loop error: %s", e)
ss.stop()
f.flush()
if f!=sys.stdout:
log.info("wrote %s bytes to %s", f.tell(), filename)
with lock:
f.close()
f = None
return 0
def __init__(self,
src_type=None,
src_options=None,
codecs=(),
codec_options=None,
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 not monitor_devices:
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)
super().__init__(codec)
self.queue = None
self.caps = None
self.volume = None
self.sink = None
self.src = None
self.src_type = src_type
self.timestamp = None
self.min_timestamp = 0
self.max_timestamp = 0
self.pending_metadata = []
self.buffer_latency = True
self.jitter_queue = None
self.container_format = (fmt or "").replace("mux",
"").replace("pay", "")
self.stream_compressor = stream_compressor
if src_options is None:
src_options = {}
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]
log("has plugin(timestamp)=%s", has_plugins("timestamp"))
if has_plugins("timestamp"):
pipeline_els.append("timestamp name=timestamp")
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"]
if CUTTER_THRESHOLD > 0 and encoder not in ENCODER_CANNOT_USE_CUTTER and not fmt:
pipeline_els.append(
"cutter threshold=%.4f run-length=%i pre-length=%i leaky=false name=cutter"
% (CUTTER_THRESHOLD, CUTTER_RUN_LENGTH * MS_TO_NS,
CUTTER_PRE_LENGTH * MS_TO_NS))
if encoder in CUTTER_NEEDS_CONVERT:
pipeline_els.append("audioconvert")
if encoder in CUTTER_NEEDS_RESAMPLE:
pipeline_els.append("audioresample")
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.timestamp = self.pipeline.get_by_name("timestamp")
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)
self.sink.set_property("enable-last-sample", False)
self.skipped_caps = set()
if JITTER > 0:
self.jitter_queue = Queue()
#Gst 1.0:
self.sink.connect("new-sample", self.on_new_sample)
self.sink.connect("new-preroll", self.on_new_preroll)
self.src = self.pipeline.get_by_name("src")
for x in ("actual-buffer-time", "actual-latency-time"):
try:
gstlog("initial %s: %s", x, self.src.get_property(x))
except Exception as e:
gstlog("no %s property on %s: %s", x, self.src, e)
self.buffer_latency = False
#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)
self.init_file(codec)
