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| | | /********** |
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| | | This library is free software; you can redistribute it and/or modify it under |
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| | | the terms of the GNU Lesser General Public License as published by the |
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| | | Free Software Foundation; either version 3 of the License, or (at your |
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| | | option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
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| | | |
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| | | This library is distributed in the hope that it will be useful, but WITHOUT |
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| | | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| | | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
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| | | more details. |
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| | | |
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| | | You should have received a copy of the GNU Lesser General Public License |
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| | | along with this library; if not, write to the Free Software Foundation, Inc., |
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| | | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| | | **********/ |
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| | | // "liveMedia" |
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| | | // Copyright (c) 1996-2017 Live Networks, Inc. All rights reserved. |
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| | | // A filter that breaks up an MPEG 1 or 2 video elementary stream into |
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| | | // frames for: Video_Sequence_Header, GOP_Header, Picture_Header |
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| | | // C++ header |
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| | | |
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| | | #ifndef _MPEG_1OR2_VIDEO_STREAM_FRAMER_HH |
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| | | #define _MPEG_1OR2_VIDEO_STREAM_FRAMER_HH |
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| | | |
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| | | #ifndef _MPEG_VIDEO_STREAM_FRAMER_HH |
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| | | #include "MPEGVideoStreamFramer.hh" |
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| | | #endif |
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| | | |
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| | | class MPEG1or2VideoStreamFramer: public MPEGVideoStreamFramer { |
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| | | public: |
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| | | static MPEG1or2VideoStreamFramer* |
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| | | createNew(UsageEnvironment& env, FramedSource* inputSource, |
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| | | Boolean iFramesOnly = False, |
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| | | double vshPeriod = 5.0 |
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| | | /* how often (in seconds) to inject a Video_Sequence_Header, |
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| | | if one doesn't already appear in the stream */); |
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| | | |
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| | | protected: |
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| | | MPEG1or2VideoStreamFramer(UsageEnvironment& env, |
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| | | FramedSource* inputSource, |
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| | | Boolean iFramesOnly, double vshPeriod, |
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| | | Boolean createParser = True); |
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| | | // called only by createNew(), or by subclass constructors |
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| | | virtual ~MPEG1or2VideoStreamFramer(); |
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| | | |
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| | | private: |
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| | | // redefined virtual functions: |
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| | | virtual Boolean isMPEG1or2VideoStreamFramer() const; |
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| | | |
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| | | private: |
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| | | double getCurrentPTS() const; |
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| | | |
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| | | friend class MPEG1or2VideoStreamParser; // hack |
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| | | }; |
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| | | |
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| | | #endif |
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