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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.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
**********/
// "liveMedia"
// Copyright (c) 1996-2005 Live Networks, Inc. All rights reserved.
// MP3 File Sources
// C++ header
#ifndef _MP3_FILE_SOURCE_HH
#define _MP3_FILE_SOURCE_HH
#ifndef _FRAMED_FILE_SOURCE_HH
#include "FramedFileSource.hh"
#endif
class MP3StreamState; // forward
class MP3FileSource: public FramedFileSource {
public:
static MP3FileSource* createNew(UsageEnvironment& env, char const* fileName);
float filePlayTime() const;
void setPresentationTimeScale(unsigned scale);
void seekWithinFile(float seekNPT);
protected:
MP3FileSource(UsageEnvironment& env, FILE* fid);
// called only by createNew()
virtual ~MP3FileSource();
protected:
void assignStream(FILE* fid, unsigned filesize);
Boolean initializeStream();
MP3StreamState* streamState() {return fStreamState;}
private:
// redefined virtual functions:
virtual void doGetNextFrame();
virtual char const* MIMEtype() const;
virtual void getAttributes() const;
private:
virtual Boolean doGetNextFrame1();
private:
MP3StreamState* fStreamState;
Boolean fHaveJustInitialized;
struct timeval fFirstFramePresentationTime; // set on stream init
};
#endif
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