/usr/include/liveMedia/MPEG1or2AudioStreamFramer.hh is in liblivemedia-dev 2011.12.23-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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) 1996-2012 Live Networks, Inc. All rights reserved.
// A filter that breaks up an MPEG (1,2) audio elementary stream into frames
// C++ header
#ifndef _MPEG_1OR2_AUDIO_STREAM_FRAMER_HH
#define _MPEG_1OR2_AUDIO_STREAM_FRAMER_HH
#ifndef _FRAMED_FILTER_HH
#include "FramedFilter.hh"
#endif
class MPEG1or2AudioStreamFramer: public FramedFilter {
public:
static MPEG1or2AudioStreamFramer*
createNew(UsageEnvironment& env, FramedSource* inputSource,
Boolean syncWithInputSource = False);
// If "syncWithInputSource" is True, the stream's presentation time
// will be reset to that of the input source, whenever new data
// is read from it.
void flushInput(); // called if there is a discontinuity (seeking) in the input
private:
MPEG1or2AudioStreamFramer(UsageEnvironment& env, FramedSource* inputSource,
Boolean syncWithInputSource);
// called only by createNew()
virtual ~MPEG1or2AudioStreamFramer();
static void continueReadProcessing(void* clientData,
unsigned char* ptr, unsigned size,
struct timeval presentationTime);
void continueReadProcessing();
void resetPresentationTime(struct timeval newPresentationTime);
// useful if we're being synced with a separate (e.g., video) stream
private:
// redefined virtual functions:
virtual void doGetNextFrame();
private:
void reset();
struct timeval currentFramePlayTime() const;
private:
Boolean fSyncWithInputSource;
struct timeval fNextFramePresentationTime;
private: // parsing state
class MPEG1or2AudioStreamParser* fParser;
friend class MPEG1or2AudioStreamParser; // hack
};
#endif
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