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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 24 25 from flumotion.component.combiners.switch import switch 26 27 __version__ = "$Rev$" 28 29 30 # These basic watchdog components switch to backup 31 # when the master eater(s) have gone hungry 32 3335 logCategory = "comb-single-basic-watchdog" 3667 6838 switch.SingleSwitch.init(self) 39 # startedFine is set to True when all sink pads to all switch elements 40 # have received data 41 self.startedFine = False 42 self._started = []4345 switch.SingleSwitch.feedSetInactive(self, feed) 46 if self.startedFine: 47 self.auto_switch() 48 else: 49 if feed in self._started: 50 self._started.remove(feed)5153 switch.SingleSwitch.feedSetActive(self, feed) 54 if self.startedFine: 55 self.auto_switch() 56 else: 57 self._started.append(feed) 58 allStarted = True 59 # check if all feeds started 60 for lf in self.logicalFeeds: 61 if lf not in self._started: 62 allStarted = False 63 break 64 if allStarted: 65 self.startedFine = True 66 self._started = []70 logCategory = "comb-av-basic-watchdog" 7110273 switch.AVSwitch.init(self) 74 # startedFine is set to True when all sink pads to all switch elements 75 # have received data 76 self.startedFine = False 77 self._started = []7880 switch.AVSwitch.feedSetInactive(self, feed) 81 if self.startedFine: 82 self.auto_switch() 83 else: 84 if feed in self._started: 85 self._started.remove(feed)8688 switch.AVSwitch.feedSetActive(self, feed) 89 if self.startedFine: 90 self.auto_switch() 91 else: 92 self._started.append(feed) 93 allStarted = True 94 # check if all feeds started 95 for lf in self.logicalFeeds: 96 if lf not in self._started: 97 allStarted = False 98 break 99 if allStarted: 100 self.startedFine = True 101 self._started = []
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