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/*
* Copyright (C) 2003-2006 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include <windows.h>
#include <MMREG.H>
#include <mmsystem.h>
#include <msacm.h>
typedef long (*AudioPointSampler)(void *, void *, long, long, long);
typedef long (*AudioDownSampler)(void *, void *, long *, int, long, long, long);
class AudioStreamResampler
{
private:
AudioPointSampler ptsampleRout;
AudioDownSampler dnsampleRout;
long samp_frac;
long accum;
int holdover;
long *filter_bank;
int filter_width;
bool fHighQuality;
enum { BUFFER_SIZE=512 };
BYTE cbuffer[4*BUFFER_SIZE];
int bps;
public:
AudioStreamResampler(int bps, long org_rate, long new_rate, bool fHighQuality);
~AudioStreamResampler();
long Downsample(void* input, long samplesin, void* output, long samplesout);
};
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