usbloadergx/source/SoundOperations/WavDecoder.hpp

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/***************************************************************************
* Copyright (C) 2010
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* for WiiXplorer 2010
***************************************************************************/
#ifndef WAVDECODER_HPP_
#define WAVDECODER_HPP_
#include "SoundDecoder.hpp"
typedef struct
{
u32 magicRIFF;
u32 size;
u32 magicWAVE;
} SWaveHdr;
typedef struct
{
u32 magicFMT;
u32 size;
u16 format;
u16 channels;
u32 freq;
u32 avgBps;
u16 alignment;
u16 bps;
} SWaveFmtChunk;
typedef struct
{
u32 magicDATA;
u32 size;
} SWaveChunk;
class WavDecoder : public SoundDecoder
{
public:
WavDecoder(const char * filepath);
WavDecoder(const u8 * snd, int len);
virtual ~WavDecoder();
int GetFormat() { return Format; };
int GetSampleRate() { return SampleRate; };
int Read(u8 * buffer, int buffer_size, int pos);
protected:
void OpenFile();
void CloseFile();
u32 DataOffset;
u32 DataSize;
u32 SampleRate;
u8 Format;
bool Is16Bit;
};
#endif