| /********** |
| This library is free software; you can redistribute it and/or modify it under |
| the terms of the GNU Lesser General Public License as published by the |
| Free Software Foundation; either version 3 of the License, or (at your |
| option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| |
| This library is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this library; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| **********/ |
| // "liveMedia" |
| // Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved. |
| // Framed Filters |
| // Implementation |
| |
| #include "FramedFilter.hh" |
| |
| ////////// FramedFilter ////////// |
| #include <string.h> |
| |
| void FramedFilter::detachInputSource() { |
| if (fInputSource != NULL) { |
| fInputSource->stopGettingFrames(); |
| reassignInputSource(NULL); |
| } |
| } |
| |
| 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() { |
| FramedSource::doStopGettingFrames(); |
| if (fInputSource != NULL) fInputSource->stopGettingFrames(); |
| } |