| /********** |
| 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 2.1 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) 1996-2015 Live Networks, Inc. All rights reserved. |
| // A filter that breaks up an MPEG 1 or 2 video elementary stream into |
| // frames for: Video_Sequence_Header, GOP_Header, Picture_Header |
| // C++ header |
| |
| #ifndef _MPEG_1OR2_VIDEO_STREAM_FRAMER_HH |
| #define _MPEG_1OR2_VIDEO_STREAM_FRAMER_HH |
| |
| #ifndef _MPEG_VIDEO_STREAM_FRAMER_HH |
| #include "MPEGVideoStreamFramer.hh" |
| #endif |
| |
| class MPEG1or2VideoStreamFramer: public MPEGVideoStreamFramer { |
| public: |
| static MPEG1or2VideoStreamFramer* |
| createNew(UsageEnvironment& env, FramedSource* inputSource, |
| Boolean iFramesOnly = False, |
| double vshPeriod = 5.0 |
| /* how often (in seconds) to inject a Video_Sequence_Header, |
| if one doesn't already appear in the stream */); |
| |
| protected: |
| MPEG1or2VideoStreamFramer(UsageEnvironment& env, |
| FramedSource* inputSource, |
| Boolean iFramesOnly, double vshPeriod, |
| Boolean createParser = True); |
| // called only by createNew(), or by subclass constructors |
| virtual ~MPEG1or2VideoStreamFramer(); |
| |
| private: |
| // redefined virtual functions: |
| virtual Boolean isMPEG1or2VideoStreamFramer() const; |
| |
| private: |
| double getCurrentPTS() const; |
| |
| friend class MPEG1or2VideoStreamParser; // hack |
| }; |
| |
| #endif |