1/**********
2This library is free software; you can redistribute it and/or modify it under
3the terms of the GNU Lesser General Public License as published by the
4Free Software Foundation; either version 3 of the License, or (at your
5option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
6
7This library is distributed in the hope that it will be useful, but WITHOUT
8ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10more details.
11
12You should have received a copy of the GNU Lesser General Public License
13along with this library; if not, write to the Free Software Foundation, Inc.,
1451 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15**********/
16// "liveMedia"
17// Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved.
18// Framed Filters
19// C++ header
20
21#ifndef _FRAMED_FILTER_HH
22#define _FRAMED_FILTER_HH
23
24#ifndef _FRAMED_SOURCE_HH
25#include "FramedSource.hh"
26#endif
27
28class FramedFilter: public FramedSource {
29public:
30 FramedSource* inputSource() const { return fInputSource; }
31
32 void reassignInputSource(FramedSource* newInputSource) { fInputSource = newInputSource; }
33
34 // Call before destruction if you want to prevent the destructor from closing the input source
35 void detachInputSource();
36
37protected:
38 FramedFilter(UsageEnvironment& env, FramedSource* inputSource);
39 // abstract base class
40 virtual ~FramedFilter();
41
42protected:
43 // Redefined virtual functions (with default 'null' implementations):
44 virtual char const* MIMEtype() const;
45 virtual void getAttributes() const;
46 virtual void doStopGettingFrames();
47
48protected:
49 FramedSource* fInputSource;
50};
51
52#endif
53