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#ifndef OPCLOAD_H_INCLUDED
#define OPCLOAD_H_INCLUDED
/*
* Plug-in opcodes for Csound.
* By Michael Gogins.
* 23 February 1997
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* Platform-dependent definitions and declarations.
*/
#ifdef WIN32
#define PUBLIC __declspec(dllexport)
#define LIBRARY_CALL WINAPI
#else
#define PUBLIC
#define LIBRARY_CALL
#endif
/*
* Return value preprocessor definitions.
*/
#define CS_SUCCESS 0
#define CS_OPCODE_NOT_FOUND 1
#define CS_OPCODE_REGISTER_FAILED 2
#define CS_OUT_OF_MEMORY 3
/*
* Signature for opcode registration function.
* Both Csound and opcode must be compiled
* with 8 byte structure member alignment.
*/
typedef PUBLIC long (csOpcodeRegisterType)
( /* Used to iterate through all opcodes in a library. */
long opcodeSubscript, /* Csound audio sampling rate in Hz. */
float *samplingRateIn,/* Csound control sampling rate in Hz. */
float *kontrolRateIn, /* Control samples per audio sample. */
int *audioSamplesPerKontrolSampleIn, /* Channels in the soundfile. */
int *channelCountIn, /* Address of the function table array in Csound. */
FUNC *functionTablesIn[],/* Address of the opcode's dispatch table entry,
to be filled in by the opcode library. */
OENTRY *opcodeEntryOut);
/*
* Platform-independent function
* to load a shared library.
*/
long csLibraryLoad(const char *libraryPath);
/*
* Platform-independent function
* to get a function address
* in a shared library.
*/
long csLibraryProcedureAddressGet(long library, const char *procedureName);
/*
* Load an opcode from a shared library
* and register its class in the opcode dispatch table.
*/
long csOpcodeLoad(const char *libraryPath);
/*
* Load all opcodes in OPCODEDIR or ./OPCODES/*.OPC
*/
long csOpcodeLoadAll();
#ifdef __cplusplus
};
#endif
/*
* OPCLOAD_H_INCLUDED
*/
#endif
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