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Diffstat (limited to 'plugins/camera_sensor/tacamera.py')
-rw-r--r-- | plugins/camera_sensor/tacamera.py | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/plugins/camera_sensor/tacamera.py b/plugins/camera_sensor/tacamera.py new file mode 100644 index 0000000..15824a1 --- /dev/null +++ b/plugins/camera_sensor/tacamera.py @@ -0,0 +1,53 @@ +# -*- coding: utf-8 -*- +#Copyright (c) 2010, Walter Bender +#Copyright (c) 2010, Tony Forster + +#Permission is hereby granted, free of charge, to any person obtaining a copy +#of this software and associated documentation files (the "Software"), to deal +#in the Software without restriction, including without limitation the rights +#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +#copies of the Software, and to permit persons to whom the Software is +#furnished to do so, subject to the following conditions: + +#The above copyright notice and this permission notice shall be included in +#all copies or substantial portions of the Software. + +#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +#THE SOFTWARE. + +import gst, time + +GST_PIPE = ['v4l2src', 'ffmpegcolorspace', 'pngenc'] +# GST_PIPE = ['v4l2src', 'ffmpegcolorspace', 'gdkpixbufsink'] + +class Camera(): + """ A class for representing the video camera """ + + def __init__(self, imagepath): + # self.imagepath = imagepath + GST_PIPE.append('filesink location=%s' % imagepath) + self.pipe = gst.parse_launch('!'.join(GST_PIPE)) + self.bus = self.pipe.get_bus() + # self.bus.add_signal_watch() + # self.bus.connect('message', self._on_message) + + def _on_message(self, bus, message): + ''' We get a message if a pixbuf is available ''' + if message.structure is not None: + print message.structure.get_name() + if message.structure.get_name() == 'pixbuf': + message.structure['pixbuf'].save(self.imagepath, 'png') + + def save_camera_input_to_file(self): + """ Grab a frame from the camera """ + self.pipe.set_state(gst.STATE_PLAYING) + self.bus.poll(gst.MESSAGE_EOS, -1) + + def stop_camera_input(self): + self.pipe.set_state(gst.STATE_NULL) + |