120 lines
4.2 KiB
Python
120 lines
4.2 KiB
Python
# Copyright (C) 2009 Thibaut GIRKA <thib AT sitedethib.com>
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#
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# This file is part of Gajim.
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#
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# Gajim is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; version 3 only.
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#
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# Gajim is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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import gi
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import logging
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gi.require_version('Gst', '1.0')
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from gi.repository import Gst
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log = logging.getLogger('gajim.c.multimedia_helpers')
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class DeviceManager(object):
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def __init__(self):
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self.devices = {}
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def detect(self):
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self.devices = {}
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def get_devices(self):
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if not self.devices:
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self.detect()
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return self.devices
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def detect_element(self, name, text, pipe='%s'):
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if Gst.ElementFactory.find(name):
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element = Gst.ElementFactory.make(name, '%spresencetest' % name)
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if element is None:
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log.warning('could not create %spresencetest', name)
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return
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if hasattr(element.props, 'device'):
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element.set_state(Gst.State.READY)
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devices = element.get_properties('device')
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if devices:
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self.devices[text % _('Default device')] = pipe % name
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for device in devices:
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if device is None:
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continue
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element.set_state(Gst.State.NULL)
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element.set_property('device', device)
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element.set_state(Gst.State.READY)
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device_name = element.get_property('device-name')
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self.devices[text % device_name] = pipe % \
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'%s device=%s' % (name, device)
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element.set_state(Gst.State.NULL)
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else:
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self.devices[text] = pipe % name
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else:
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log.info('element %s not found', name)
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class AudioInputManager(DeviceManager):
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def detect(self):
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self.devices = {}
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# Test src
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self.detect_element('audiotestsrc', _('Audio test'),
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'%s is-live=true name=gajim_vol')
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# Auto src
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self.detect_element('autoaudiosrc', _('Autodetect'),
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'%s ! volume name=gajim_vol')
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# Alsa src
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self.detect_element('alsasrc', _('ALSA: %s'),
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'%s ! volume name=gajim_vol')
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# Pulseaudio src
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self.detect_element('pulsesrc', _('Pulse: %s'),
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'%s ! volume name=gajim_vol')
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class AudioOutputManager(DeviceManager):
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def detect(self):
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self.devices = {}
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# Fake sink
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self.detect_element('fakesink', _('Fake audio output'))
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# Auto sink
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self.detect_element('autoaudiosink', _('Autodetect'))
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# Alsa sink
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self.detect_element('alsasink', _('ALSA: %s'), '%s sync=false')
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# Pulseaudio sink
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self.detect_element('pulsesink', _('Pulse: %s'), '%s sync=true')
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class VideoInputManager(DeviceManager):
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def detect(self):
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self.devices = {}
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# Test src
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self.detect_element('videotestsrc', _('Video test'),
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'%s is-live=true ! video/x-raw,framerate=10/1')
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# Auto src
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self.detect_element('autovideosrc', _('Autodetect'))
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# V4L2 src
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self.detect_element('v4l2src', _('V4L2: %s'))
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# Funny things, just to test...
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# self.devices['GOOM'] = 'audiotestsrc ! goom'
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self.detect_element('ximagesrc', _('Screen'), '%s ! ffmpegcolorspace')
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class VideoOutputManager(DeviceManager):
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def detect(self):
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self.devices = {}
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# Fake video output
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self.detect_element('fakesink', _('Fake video output'))
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# Auto sink
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self.detect_element('xvimagesink',
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_('X Window System (X11/XShm/Xv): %s'))
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# ximagesink
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self.detect_element('ximagesink', _('X Window System (without Xv)'))
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self.detect_element('autovideosink', _('Autodetect'))
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