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/**
*
* Lame ACM wrapper, encode/decode MP3 based RIFF/AVI files in MS Windows
*
* Copyright (c) 2002 Steve Lhomme <steve.lhomme at free.fr>
*
* 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.
*
* 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
*
*/
/*!
\author Steve Lhomme
\version \$Id: DecodeStream.h,v 1.2 2006/12/25 21:37:34 robert Exp $
*/
#if !defined(_DECODESTREAM_H__INCLUDED_)
#define _DECODESTREAM_H__INCLUDED_
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
#include <mmreg.h>
#include <msacm.h>
#include <msacmdrv.h>
#include "ADbg/ADbg.h"
struct lame_global_flags;
class DecodeStream
{
public:
DecodeStream( );
virtual ~DecodeStream( );
static DecodeStream * Create();
static const bool Erase(const DecodeStream * a_ACMStream);
bool init(const int nSamplesPerSec, const int nChannels, const int nAvgBytesPerSec, const int nSourceBitrate);
bool open();
bool close(LPBYTE pOutputBuffer, DWORD *pOutputSize);
DWORD GetOutputSizeForInput(const DWORD the_SrcLength) const;
bool ConvertBuffer(LPACMDRVSTREAMHEADER a_StreamHeader);
static unsigned int GetOutputSampleRate(int samples_per_sec, int bitrate, int channels);
protected:
lame_global_flags * gfp;
ADbg * my_debug;
int my_SamplesPerSec;
int my_Channels;
int my_AvgBytesPerSec;
DWORD my_SamplesPerBlock;
int my_SourceBitrate;
MPSTR my_DecodeData;
unsigned int m_WorkingBufferUseSize;
char m_WorkingBuffer[2304*2]; // should be at least twice my_SamplesPerBlock
inline int GetBytesPerBlock(DWORD bytes_per_sec, DWORD samples_per_sec, int BlockAlign) const;
};
#endif // !defined(_DECODESTREAM_H__INCLUDED_)
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