view minijss/jss.h @ 1896:f80b2dc77c30

Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things will not work and some things are hardcoded. The ByteRun1 compression implementation is somewhat inefficient. Interleaved files do not work yet.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 26 Jun 2018 03:13:38 +0300
parents aa3738b121d1
children d6b9410f1b1b
line wrap: on
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/*
 * miniJSS - Main header file
 * Programmed and designed by Matti 'ccr' Hamalainen
 * (C) Copyright 2006-2015 Tecnic Software productions (TNSP)
 */
#ifndef JSS_H
#define JSS_H

#include "dmlib.h"

#ifdef __cplusplus
extern "C" {
#endif


/* Locking
 */
#ifdef JSS_SUP_THREADS
#    define JSS_LOCK(Q) dmMutexLock((Q)->mutex)
#    define JSS_UNLOCK(Q) dmMutexUnlock((Q)->mutex)
#else
#    warning DANGER! JSS threads support not included!
#    define JSS_LOCK(Q)
#    define JSS_UNLOCK(Q)
#endif


// Global settings
#define jsetNChannels   (64)        // Max number of channels
#define jsetNotSet      (-1)        // A global "not set" constant
#define jsetMinVol      (0)
#define jsetMaxVol      (255)

// Sample instrument flags
#define jsfLooped       (0x01)      // Is sample looped
#define jsfBiDi         (0x02)      // Bi-directional loop?
#define jsf16bit        (0x04)      // 16-bit?

#define JSFSET(a, b)    do { a |= b; } while (0)
#define JSFUNSET(a, b)  do { a &= (0xff ^ b); } while (0)

// Panning position
#define jchPanLeft      (0x00)      // Leftmost pan
#define jchPanMiddle    (0x80)      // Center pan
#define jchPanRight     (0xff)      // Rightmost pan

// Audio formats
enum
{
    JSS_AUDIO_U8,           // 8-bit formats
    JSS_AUDIO_S8,
    JSS_AUDIO_U16,          // 16-bit formats
    JSS_AUDIO_S16,
    JSS_AUDIO_U32,          // 32-bit (24+padding)
    JSS_AUDIO_S32
} JSS_AUDIO_FMT;


enum
{
    JSS_AUDIO_MONO = 1,
    JSS_AUDIO_STEREO = 2
} JSS_AUDIO_CHANNELS;


/* System initialization and shutdown
 */
int    jssInit(void);       // Initialization. Call before anything else!
int    jssClose(void);      // Shutdown. Do not call ANY JSS routines after this!


/* Error handling routines and related variables
 */
#ifndef JSS_LIGHT
extern BOOL     jssWarningIsFatal,  // if TRUE, warnings are considered fatal -> function returns
                jssErrorIsFatal;    // if FALSE, error is considered non-fatal. this may cause strange problems.

extern void     (*jssError)(int code, const char *filename, int linen, const char *fmt, ...);
extern void     (*jssWarning)(int code, const char *filename, int linen, const char *fmt, ...);
#endif


/* If JSS_LIGHT is NOT defined, we add code for verbose error-, warning-
 * and debug-messages. Otherwise use a macro stub.
 */
#ifndef JSS_LIGHT
#  define JSSERROR(MEVAL, MRET, ...) do { jssError(MEVAL, __FILE__, (int) __LINE__, __VA_ARGS__); return MRET; } while (0)
#  define JSSWARNING(MEVAL, MRET, ...) do { jssWarning(MEVAL, __FILE__, (int) __LINE__, __VA_ARGS__); if (jssWarningIsFatal) return MRET; } while (0)
#  ifdef JSS_DEBUG
#    define JSSDEBUG(...) do { fprintf(stderr, "[%s:%d]: ", __FILE__, (int) __LINE__); fprintf(stderr, __VA_ARGS__); } while (0)
#  else
#    define JSSDEBUG(...) do { } while (0)
#  endif // NDEBUG
#else
#  define JSSERROR(MEVAL, MRET, ...) return MRET
#  define JSSWARNING(MEVAL, MRET, ...) do { } while (0)
#  define JSSDEBUG(...) do { } while (0)
#endif // JSS_LIGHT


#ifdef __cplusplus
}
#endif

#endif // JSS_H