/**********
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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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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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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-4 video elementary stream into
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// frames for:
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// - Visual Object Sequence (VS) Header + Visual Object (VO) Header
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// + Video Object Layer (VOL) Header
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// - Group of VOP (GOV) Header
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// - VOP frame
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// C++ header
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#ifndef _MPEG4_VIDEO_STREAM_FRAMER_HH
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#define _MPEG4_VIDEO_STREAM_FRAMER_HH
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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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class MPEG4VideoStreamFramer: public MPEGVideoStreamFramer {
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public:
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static MPEG4VideoStreamFramer*
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createNew(UsageEnvironment& env, FramedSource* inputSource);
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u_int8_t profile_and_level_indication() const {
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return fProfileAndLevelIndication;
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}
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unsigned char* getConfigBytes(unsigned& numBytes) const;
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void setConfigInfo(u_int8_t profileAndLevelIndication, char const* configStr);
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// Assigns the "profile_and_level_indication" number, and the 'config' bytes.
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// If this function is not called, then this data is only assigned later, when it appears in the input stream.
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protected:
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MPEG4VideoStreamFramer(UsageEnvironment& env,
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FramedSource* inputSource,
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Boolean createParser = True);
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// called only by createNew(), or by subclass constructors
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virtual ~MPEG4VideoStreamFramer();
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void startNewConfig();
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void appendToNewConfig(unsigned char* newConfigBytes,
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unsigned numNewBytes);
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void completeNewConfig();
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private:
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// redefined virtual functions:
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virtual Boolean isMPEG4VideoStreamFramer() const;
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protected:
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u_int8_t fProfileAndLevelIndication;
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unsigned char* fConfigBytes;
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unsigned fNumConfigBytes;
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private:
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unsigned char* fNewConfigBytes;
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unsigned fNumNewConfigBytes;
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friend class MPEG4VideoStreamParser; // hack
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};
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#endif
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