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Support compiling as DLL on Windows #26

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Support compiling as DLL on Windows #26

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2 changes: 2 additions & 0 deletions opl3.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define OPL_SHARED_LIB_SRC
#include "opl3.h"

#if OPL_ENABLE_STEREOEXT && !defined OPL_SIN
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32 changes: 23 additions & 9 deletions opl3.h
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,20 @@
#ifndef OPL_OPL3_H
#define OPL_OPL3_H

#if defined(OPL_SHARED_LIB) && defined(WIN32)

#ifdef OPL_SHARED_LIB_SRC
#define OPL_API __declspec(dllexport)
#else
#define OPL_API __declspec(dllimport)
#endif

#else

#define OPL_API

#endif

#ifdef __cplusplus
extern "C" {
#endif
Expand Down Expand Up @@ -154,16 +168,16 @@ struct _opl3_chip {
opl3_writebuf writebuf[OPL_WRITEBUF_SIZE];
};

void OPL3_Generate(opl3_chip *chip, int16_t *buf);
void OPL3_GenerateResampled(opl3_chip *chip, int16_t *buf);
void OPL3_Reset(opl3_chip *chip, uint32_t samplerate);
void OPL3_WriteReg(opl3_chip *chip, uint16_t reg, uint8_t v);
void OPL3_WriteRegBuffered(opl3_chip *chip, uint16_t reg, uint8_t v);
void OPL3_GenerateStream(opl3_chip *chip, int16_t *sndptr, uint32_t numsamples);
OPL_API void OPL3_Generate(opl3_chip *chip, int16_t *buf);
OPL_API void OPL3_GenerateResampled(opl3_chip *chip, int16_t *buf);
OPL_API void OPL3_Reset(opl3_chip *chip, uint32_t samplerate);
OPL_API void OPL3_WriteReg(opl3_chip *chip, uint16_t reg, uint8_t v);
OPL_API void OPL3_WriteRegBuffered(opl3_chip *chip, uint16_t reg, uint8_t v);
OPL_API void OPL3_GenerateStream(opl3_chip *chip, int16_t *sndptr, uint32_t numsamples);

void OPL3_Generate4Ch(opl3_chip *chip, int16_t *buf4);
void OPL3_Generate4ChResampled(opl3_chip *chip, int16_t *buf4);
void OPL3_Generate4ChStream(opl3_chip *chip, int16_t *sndptr1, int16_t *sndptr2, uint32_t numsamples);
OPL_API void OPL3_Generate4Ch(opl3_chip *chip, int16_t *buf4);
OPL_API void OPL3_Generate4ChResampled(opl3_chip *chip, int16_t *buf4);
OPL_API void OPL3_Generate4ChStream(opl3_chip *chip, int16_t *sndptr1, int16_t *sndptr2, uint32_t numsamples);

#ifdef __cplusplus
}
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