liveMedia/FramedFilter.cpp

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/**********
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FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
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// "liveMedia"
// Copyright (c) 1996-2012 Live Networks, Inc.  All rights reserved.
// Framed Filters
// Implementation

#include "FramedFilter.hh"

#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 {
  if (fInputSource == NULL) return "";

  return fInputSource->MIMEtype();
}

void FramedFilter::getAttributes() const {
  if (fInputSource != NULL) fInputSource->getAttributes();
}

void FramedFilter::doStopGettingFrames() {
  if (fInputSource != NULL) fInputSource->stopGettingFrames();
}

---