framedfilter.cpp

流媒体传输协议的实现代码,非常有用.可以支持rtsp mms等流媒体传输协议

/**********
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This library is distributed in the hope that it will be useful, but WITHOUT
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FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
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**********/
// "liveMedia"
// Copyright (c) 1996-2004 Live Networks, Inc.  All rights reserved.
// Framed Filters
// Implementation

#include "FramedFilter.hh"

////////// FramedFilter //////////
#include <string.h>

FramedFilter::FramedFilter(UsageEnvironment& env,
			   FramedSource* inputSource)
  : FramedSource(env),
    fInputSource(inputSource) {
}

FramedFilter::~FramedFilter() {
  Medium::close(fInputSource);
}

// Default implementations of needed virtual functions.  These merely
// call the same function in the input source - i.e., act like a 'null filter

char const* FramedFilter::MIMEtype() const {
  return fInputSource->MIMEtype();
}

void FramedFilter::getAttributes() const {
  fInputSource->getAttributes();
}

void FramedFilter::doStopGettingFrames() {
  fInputSource->stopGettingFrames();
}