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authorWalter Bender <walter.bender@gmail.com>2011-02-18 13:43:29 (GMT)
committer Walter Bender <walter.bender@gmail.com>2011-02-18 13:43:29 (GMT)
commit44aba0d9fed34bc0399faecf9c3891244c907b5c (patch)
treec1a52a163611ed8e4b1f29f81efbeaa690e2e92a /camera/tacamera.py
parent0373970d57b2d56530d79b5af8cb97ab39e8e0b7 (diff)
moving camera code to its own directory now that it is a plugin
Diffstat (limited to 'camera/tacamera.py')
-rw-r--r--camera/tacamera.py42
1 files changed, 42 insertions, 0 deletions
diff --git a/camera/tacamera.py b/camera/tacamera.py
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+++ b/camera/tacamera.py
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+# -*- 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']
+
+class Camera():
+ """ A class for representing the video camera """
+
+ def __init__(self, imagepath):
+ GST_PIPE.append('filesink location=%s' % imagepath)
+ self.pipe = gst.parse_launch('!'.join(GST_PIPE))
+ self.bus = self.pipe.get_bus()
+
+ 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)
+