57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
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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 2.1 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) 1996-2015 Live Networks, Inc. All rights reserved.
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// A source object for AAC audio files in ADTS format
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// C++ header
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#ifndef _ADTS_AUDIO_FILE_SOURCE_HH
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#define _ADTS_AUDIO_FILE_SOURCE_HH
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#ifndef _FRAMED_FILE_SOURCE_HH
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#include "FramedFileSource.hh"
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#endif
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class ADTSAudioFileSource: public FramedFileSource {
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public:
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static ADTSAudioFileSource* createNew(UsageEnvironment& env,
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char const* fileName);
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unsigned samplingFrequency() const { return fSamplingFrequency; }
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unsigned numChannels() const { return fNumChannels; }
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char const* configStr() const { return fConfigStr; }
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// returns the 'AudioSpecificConfig' for this stream (in ASCII form)
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private:
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ADTSAudioFileSource(UsageEnvironment& env, FILE* fid, u_int8_t profile,
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u_int8_t samplingFrequencyIndex, u_int8_t channelConfiguration);
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// called only by createNew()
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virtual ~ADTSAudioFileSource();
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private:
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// redefined virtual functions:
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virtual void doGetNextFrame();
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private:
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unsigned fSamplingFrequency;
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unsigned fNumChannels;
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unsigned fuSecsPerFrame;
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char fConfigStr[5];
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};
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#endif
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