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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.
// A source object for AAC audio files in ADTS format
// C++ header
#ifndef _ADTS_AUDIO_FILE_SOURCE_HH
#define _ADTS_AUDIO_FILE_SOURCE_HH
#ifndef _FRAMED_FILE_SOURCE_HH
#include "FramedFileSource.hh"
#endif
class ADTSAudioFileSource: public FramedFileSource {
public:
static ADTSAudioFileSource* createNew(UsageEnvironment& env,
char const* fileName);
unsigned samplingFrequency() const { return fSamplingFrequency; }
unsigned numChannels() const { return fNumChannels; }
char const* configStr() const { return fConfigStr; }
// returns the 'AudioSpecificConfig' for this stream (in ASCII form)
private:
ADTSAudioFileSource(UsageEnvironment& env, FILE* fid, u_int8_t profile,
u_int8_t samplingFrequencyIndex, u_int8_t channelConfiguration);
// called only by createNew()
virtual ~ADTSAudioFileSource();
private:
// redefined virtual functions:
virtual void doGetNextFrame();
private:
unsigned fSamplingFrequency;
unsigned fNumChannels;
unsigned fuSecsPerFrame;
char fConfigStr[5];
};
#endif
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