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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
Cokiee Shell
| Current Path : /proc/self/root/usr/include/CLAM/ |
| Current File : //proc/self/root/usr/include/CLAM/OggVorbisAudioStream.hxx |
/*
* Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#if USE_OGGVORBIS != 1
#error USE_OGGVORBIS was not set to 1 in your settings.cfg file, but you are including files that require this. Please fix your settings.cfg
#endif
#ifndef __OGGVORBISAUDIOSTREAM__
#define __OGGVORBISAUDIOSTREAM__
#include <string>
#include <vorbis/vorbisfile.h>
#include <vorbis/vorbisenc.h>
#include <deque>
#include <vector>
#include "AudioCodecs_Stream.hxx"
#include "DataTypes.hxx"
namespace CLAM
{
namespace AudioCodecs
{
class OggVorbisAudioStream : public Stream
{
public:
OggVorbisAudioStream( const AudioFile& file );
~OggVorbisAudioStream();
void PrepareReading();
void PrepareWriting();
void Dispose();
void SeekTo(unsigned long framePosition);
protected:
void DiskToMemoryTransfer();
void MemoryToDiskTransfer();
private:
void VorbisI_EncoderSetup();
void WriteBitstreamHeader();
void DoVorbisAnalysis();
void PushAnalysisBlocksOntoOggStream();
void ConsumeDecodedSamples();
protected:
std::string mName;
FILE* mFileHandle;
OggVorbis_File mNativeFileParams;
int mCurrentSection;
bool mValidFileParams;
// Structs needed for Vorbis encoding
vorbis_info mStreamInfo;
vorbis_comment mFileComments;
ogg_stream_state mOggStreamState; // os
ogg_page mOggPage; // og
ogg_packet mOggPacket; // op
vorbis_dsp_state mDSPState; // vd
vorbis_block mVorbisBlock; // vb
int mEncodedSampleRate;
bool mEncoding;
static const unsigned mMaxBlockSize;
static const unsigned mAnalysisWindowSize;
std::vector<TInt16> mBlockBuffer;
std::vector<std::deque<TData> > mEncodeBuffer;
std::deque<TInt16> mDecodeBuffer;
TSize mLastBytesRead;
};
}
}
#endif // OggVorbisAudioStream.hxx
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