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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 import os 23 import tempfile 24 25 26 from twisted.internet import defer 27 28 from flumotion.common import log, messages 29 30 from flumotion.component import feedcomponent 31 from flumotion.component.converters.overlay import genimg 32 33 N_ = messages.N_ 34 T_ = messages.gettexter('flumotion') 35 3638 checkTimestamp = True 39 checkOffset = True 40 _filename = None 419343 # the order here is important; to have our eater be the reference 44 # stream for videomixer it needs to be specified last 45 pipeline = ( 46 'filesrc name=source blocksize=100000 ! pngdec ! alphacolor ! ' 47 'videomixer name=mix ! @feeder:default@ ' 48 '@eater:default@ ! ffmpegcolorspace ! mix.') 49 50 return pipeline5153 p = properties 54 self.fixRenamedProperties(p, [ 55 ('show_text', 'show-text'), 56 ('fluendo_logo', 'fluendo-logo'), 57 ('cc_logo', 'cc-logo'), 58 ('xiph_logo', 'xiph-logo') 59 ]) 60 61 # create temp file 62 (fd, self._filename) = tempfile.mkstemp('flumotion.png') 63 os.close(fd) 64 65 text = None 66 if p.get('show-text', False): 67 text = p.get('text', 'set the "text" property') 68 overflow = genimg.generate_overlay(self._filename, 69 text, 70 p.get('fluendo-logo', False), 71 p.get('cc-logo', False), 72 p.get('xiph-logo', False), 73 p['width'], 74 p['height']) 75 if overflow: 76 m = messages.Warning( 77 T_(N_("Overlayed text '%s' too wide for the video image."), 78 text), id = "text-too-wide") 79 self.addMessage(m) 80 81 source = self.get_element('source') 82 source.set_property('location', self._filename)83
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