100 lines
3.4 KiB
Python
100 lines
3.4 KiB
Python
##
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## Copyright (C) 2009 Thibaut GIRKA <thib AT sitedethib.com>
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##
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## This program 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 2 only.
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##
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## This program 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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import gst
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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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try:
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element = gst.element_factory_make(name, '%spresencetest' % name)
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if isinstance(element, gst.interfaces.PropertyProbe):
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element.set_state(gst.STATE_READY)
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element.probe_property_name('device')
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devices = element.probe_get_values_name('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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element.set_property('device', device)
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device_name = element.get_property('device-name')
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self.devices[text % device_name] = pipe % '%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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except gst.ElementNotFoundError:
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print '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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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'),
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'%s sync=false')
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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')
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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.devices['screen'] = 'ximagesrc'
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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 audio output'))
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# Auto sink
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self.detect_element('xvimagesink', _('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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