def _create_default_audio_source(self):
_gstelement = GstElement("audiotestsrc", "default_audio_source")
if not _gstelement:
raise GstElementInitError
_gstelement.set_property("volume", 0) # muted source
return _gstelement
def _create_default_video_source(self):
_gstelement = GstElement("videotestsrc", "default_video_source")
if not _gstelement:
raise GstElementInitError
_gstelement.set_property("pattern", 2)
return _gstelement
def _create_usbcam_input(self, device, **kwargs):
if not device:
raise DeviceMissing
name = "usb_camera_" + device
_gstelement = GstElement("v4l2src", name, **kwargs)
if not _gstelement:
raise GstElementInitError
_gstelement.set_property("device", device)
return _gstelement
def _create_audio_source(self, device, **kwargs):
if not device:
raise DeviceMissing
name = "microphone_" + device
_gstelement = GstElement("pulsesrc", name, **kwargs)
if not _gstelement:
raise GstElementInitError
_gstelement.set_property("device", device)
return _gstelement
def _create_rtsp_input(self, location, **kwargs):
if not location:
raise LocationMissing
if utils.has_valid_ip(location) and utils.get_port(location) == 554:
if "rtsp://" not in location:
location = "rtsp://" + location
else:
raise LocationNotValid
_gstelement = GstElement("rtspsrc", "ip_camera", **kwargs)
if not _gstelement:
raise GstElementInitError
_gstelement.set_property("location", location)
return _gstelement
def create_gstelement(self, path, **kwargs):
"""
Creates a GStreamer file sink.
"""
if not path:
raise ValueError
_gstelement = GstElement("filesink", self.description, **kwargs)
if not _gstelement:
raise GstElementInitError
_gstelement.set_property("location", path)
_gstelement.set_property("sync", False)
return _gstelement
def create_gstelement(self, ip, port, mount, password, **kwargs):
"""
Create GStreamer streaming sink. It streams over an IceCast server.
"""
if not (ip or port or mount):
raise StreamInfoIncomplete
_gstelement = GstElement("shout2send", self.description, **kwargs)
if not _gstelement:
raise GstElementInitError
_gstelement.set_property("sync", False)
_gstelement.set_property("ip", ip)
_gstelement.set_property("port", port)
_gstelement.set_property("mount", mount)
if password:
_gstelement.set_property("password", password)
return _gstelement