Trees | Indices | Help |
---|
|
1 # -*- Mode: Python -*- 2 # vi:si:et:sw=4:sts=4:ts=4 3 # 4 # Flumotion - a streaming media server 5 # Copyright (C) 2004,2005,2006,2007 Fluendo, S.L. (www.fluendo.com). 6 # All rights reserved. 7 8 # This file may be distributed and/or modified under the terms of 9 # the GNU General Public License version 2 as published by 10 # the Free Software Foundation. 11 # This file is distributed without any warranty; without even the implied 12 # warranty of merchantability or fitness for a particular purpose. 13 # See "LICENSE.GPL" in the source distribution for more information. 14 15 # Licensees having purchased or holding a valid Flumotion Advanced 16 # Streaming Server license may use this file in accordance with the 17 # Flumotion Advanced Streaming Server Commercial License Agreement. 18 # See "LICENSE.Flumotion" in the source distribution for more information. 19 20 # Headers in this file shall remain intact. 21 22 import gst 23 24 from flumotion.common import gstreamer 25 26 from flumotion.component import feedcomponent 27 28 from flumotion.component.effects.colorbalance import colorbalance 29317433 device = properties['device'] 34 35 # Filtered caps 36 mime = properties.get('mime', 'video/x-raw-yuv') 37 format = properties.get('format', 'I420') 38 width = properties.get('width', None) 39 height = properties.get('height', None) 40 41 string = mime 42 if mime == 'video/x-raw-yuv': 43 string += ",format=(fourcc)%s" % format 44 if width: 45 string += ",width=%d" % width 46 if height: 47 string += ",height=%d" % height 48 if 'framerate' in properties: 49 f = properties['framerate'] 50 string += ",framerate=(fraction)%d/%d" % (f[0], f[1]) 51 52 # create component 53 autoprobe = "autoprobe=false autoprobe-fps=false" 54 55 # FIXME: ffmpegcolorspace in the pipeline causes bad negotiation. 56 # hack in 0.9 to work around, not in 0.8 57 # correct solution would be to find the colorspaces, see halogen 58 # pipeline = 'v4lsrc name=source %s copy-mode=1 device=%s ! ' \ 59 # 'ffmpegcolorspace ! "%s" ! videorate ! "%s"' \ 60 # % (autoprobe, device, caps, caps) 61 return ('v4lsrc name=source %s copy-mode=1 device=%s ! ' 62 '%s ! videorate' % (autoprobe, device, string))6365 # create and add colorbalance effect 66 source = pipeline.get_by_name('source') 67 hue = properties.get('hue', None) 68 saturation = properties.get('saturation', None) 69 brightness = properties.get('brightness', None) 70 contrast = properties.get('contrast', None) 71 cb = colorbalance.Colorbalance('outputColorbalance', source, 72 hue, saturation, brightness, contrast, pipeline) 73 self.addEffect(cb)
Trees | Indices | Help |
---|
Generated by Epydoc 3.0.1 on Fri Apr 11 07:40:30 2008 | http://epydoc.sourceforge.net |