Source Code for Module flumotion.component.producers.ivtv.ivtv

 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 Fluendo, S.L. (www.fluendo.com). All rights reserved. 
 6   
 7  # This file may be distributed and/or modified under the terms of 
 8  # the GNU General Public License version 2 as published by 
 9  # the Free Software Foundation. 
10  # This file is distributed without any warranty; without even the implied 
11  # warranty of merchantability or fitness for a particular purpose. 
12  # See "LICENSE.GPL" in the source distribution for more information. 
13   
14  # Licensees having purchased or holding a valid Flumotion Advanced 
15  # Streaming Server license may use this file in accordance with the 
16  # Flumotion Advanced Streaming Server Commercial License Agreement. 
17  # See "LICENSE.Flumotion" in the source distribution for more information. 
18   
19  # Headers in this file shall remain intact. 
20   
21  from flumotion.component import feedcomponent 
22   
23  __version__ = "$Rev: 6125 $" 
24   
25   
26  # this is a producer component for ivtv 
27 -class Ivtv(feedcomponent.ParseLaunchComponent): 
28 -    def get_pipeline_string(self, properties): 
29          width = properties.get('width', 0) 
30          height = properties.get('height', 0) 
31          device = properties.get('device', '/dev/video0') 
32          deinterlacer = properties.get('deinterlacer', '') 
33          if width > 0 and height > 0: 
34              scaling_template = (" videoscale method=1 ! " 
35                  "video/x-raw-yuv,width=%d,height=%d " % (width, height)) 
36          else: 
37              scaling_template = "" 
38          return ("filesrc name=src location=%s ! decodebin name=d ! queue !  " 
39                  " %s ! %s ! ffmpegcolorspace ! video/x-raw-yuv " 
40                  " ! @feeder:video@ d. ! queue ! audioconvert ! audio/x-raw-int " 
41                  " ! @feeder:audio@" 
42                  % (device, deinterlacer, scaling_template)) 
43