MythTV: FramedFilter.cpp Source File

00001 /**********
00002 This library is free software; you can redistribute it and/or modify it under
00003 the terms of the GNU Lesser General Public License as published by the
00004 Free Software Foundation; either version 2.1 of the License, or (at your
00005 option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
00006 
00007 This library is distributed in the hope that it will be useful, but WITHOUT
00008 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00009 FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
00010 more details.
00011 
00012 You should have received a copy of the GNU Lesser General Public License
00013 along with this library; if not, write to the Free Software Foundation, Inc.,
00014 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00015 **********/
00016 // "liveMedia"
00017 // Copyright (c) 1996-2005 Live Networks, Inc.  All rights reserved.
00018 // Framed Filters
00019 // Implementation
00020 
00021 #include "FramedFilter.hh"
00022 
00024 #include <string.h>
00025 
00026 FramedFilter::FramedFilter(UsageEnvironment& env,
00027                            FramedSource* inputSource)
00028   : FramedSource(env),
00029     fInputSource(inputSource) {
00030 }
00031 
00032 FramedFilter::~FramedFilter() {
00033   Medium::close(fInputSource);
00034 }
00035 
00036 // Default implementations of needed virtual functions.  These merely
00037 // call the same function in the input source - i.e., act like a 'null filter
00038 
00039 char const* FramedFilter::MIMEtype() const {
00040   return fInputSource->MIMEtype();
00041 }
00042 
00043 void FramedFilter::getAttributes() const {
00044   fInputSource->getAttributes();
00045 }
00046 
00047 void FramedFilter::doStopGettingFrames() {
00048   fInputSource->stopGettingFrames();
00049 }