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 from flumotion.component import feedcomponent 23 from flumotion.common import errors, messages 24 25 from flumotion.component.combiners.switch import basicwatchdog 26 import gst 27 28 from flumotion.common.messages import N_ 29 T_ = messages.gettexter('flumotion') 3032 logCategory = "comb-av-pattern-switcher" 334935 d = basicwatchdog.AVBasicWatchdog.do_check(self) 36 def checkConfig(result): 37 props = self.config['properties'] 38 eaterName = props.get('eater-with-stream-markers', None) 39 if eaterName != 'video-master' and eaterName != 'video-backup': 40 warnStr = "The value provided for the " \ 41 "eater-with-stream-markers property " \ 42 "must be one of video-backup, video-master." 43 self.warning(warnStr) 44 self.addMessage(messages.Error(T_(N_(warnStr)), 45 id="eater-with-stream-markers-wrong")) 46 return result47 d.addCallback(checkConfig) 48 return d51 basicwatchdog.AVBasicWatchdog.configure_pipeline(self, pipeline, 52 properties) 53 # set event probe to react to video mark events 54 eaterName = properties.get('eater-with-stream-markers', 55 'video-backup') 56 sinkpad = self.videoSwitchElement.get_pad(self.switchPads[eaterName]) 57 sinkpad.add_event_probe(self._markers_event_probe)5860 if event.type == gst.EVENT_CUSTOM_DOWNSTREAM: 61 evt_struct = event.get_structure() 62 if evt_struct.get_name() == 'FluStreamMark': 63 if evt_struct['action'] == 'start': 64 self.switch_to_for_event("backup", True) 65 66 elif evt_struct['action'] == 'stop': 67 self.switch_to_for_event("master", False) 68 return True69
Trees | Indices | Help |
---|
Generated by Epydoc 3.0.1 on Thu Aug 7 15:45:46 2008 | http://epydoc.sourceforge.net |