#ifndef CONVERTER_H
#define CONVERTER_H

#include "alMain.h"
#include "alu.h"

#ifdef __cpluspluc
extern "C" {
#endif

typedef struct SampleConverter {
    enum DevFmtType mSrcType;
    enum DevFmtType mDstType;
    ALsizei mNumChannels;
    ALsizei mSrcTypeSize;
    ALsizei mDstTypeSize;

    ALint mSrcPrepCount;

    ALsizei mFracOffset;
    ALsizei mIncrement;
    ResamplerFunc mResample;

    alignas(16) ALfloat mSrcSamples[BUFFERSIZE+MAX_PRE_SAMPLES+MAX_POST_SAMPLES];
    alignas(16) ALfloat mDstSamples[BUFFERSIZE];

    struct {
        alignas(16) ALfloat mPrevSamples[MAX_PRE_SAMPLES+MAX_POST_SAMPLES];
    } Chan[];
} SampleConverter;

SampleConverter *CreateSampleConverter(enum DevFmtType srcType, enum DevFmtType dstType, ALsizei numchans, ALsizei srcRate, ALsizei dstRate);
void DestroySampleConverter(SampleConverter **converter);

ALsizei SampleConverterInput(SampleConverter *converter, const ALvoid *src, ALsizei *srcframes, ALvoid *dst, ALsizei dstframes);
ALsizei SampleConverterAvailableOut(SampleConverter *converter, ALsizei srcframes);

#ifdef __cpluspluc
}
#endif

#endif /* CONVERTER_H */