dynamic.h File Reference

#include <AL/al.h>

Go to the source code of this file.

Macros
#define	AL_NO_PROTOTYPES
#define	AL_SOFT_loop_points   1
#define	AL_LOOP_POINTS_SOFT   0x2015
#define	QAL_IMP
#define	QAL(type, func)   extern type q##func

Functions
QAL_IMP qboolean	QAL_Init (void)
void	QAL_Shutdown (void)

Macro Definition Documentation

AL_LOOP_POINTS_SOFT

#define AL_LOOP_POINTS_SOFT   0x2015

Definition at line 24 of file dynamic.h.

AL_NO_PROTOTYPES

#define AL_NO_PROTOTYPES

Definition at line 19 of file dynamic.h.

AL_SOFT_loop_points

#define AL_SOFT_loop_points   1

Definition at line 23 of file dynamic.h.

QAL

#define QAL	(		type,
			func
	)		extern type q##func

Definition at line 102 of file dynamic.h.

QAL_IMP

#define QAL_IMP

Definition at line 27 of file dynamic.h.

Function Documentation

QAL_Init()

QAL_IMP qboolean QAL_Init

(

void

)

Definition at line 92 of file dynamic.c.

{
    al_driver = Cvar_Get("al_driver", LIBAL, 0);
    al_device = Cvar_Get("al_device", "", 0);
 
    // don't allow absolute or relative paths
    FS_SanitizeFilenameVariable(al_driver);
 
    Sys_LoadLibrary(al_driver->string, NULL, &handle);
    if (!handle) {
        return qfalse;
    }
 
#define QAL(type, func)  if ((q##func = Sys_GetProcAddress(handle, #func)) == NULL) goto fail;
    QALC_IMP
    QAL_IMP
#undef QAL
 
    device = qalcOpenDevice(al_device->string[0] ? al_device->string : NULL);
    if (!device) {
        Com_SetLastError(va("alcOpenDevice(%s) failed", al_device->string));
        goto fail;
    }
 
    context = qalcCreateContext(device, NULL);
    if (!context) {
        Com_SetLastError("alcCreateContext failed");
        goto fail;
    }
 
    if (!qalcMakeContextCurrent(context)) {
        Com_SetLastError("alcMakeContextCurrent failed");
        goto fail;
    }
 
    al_driver->flags |= CVAR_SOUND;
    al_device->flags |= CVAR_SOUND;
 
    return qtrue;
 
fail:
    QAL_Shutdown();
    return qfalse;
}

QAL_Shutdown()

void QAL_Shutdown

(

void

)

Definition at line 64 of file dynamic.c.

{
    if (context) {
        qalcMakeContextCurrent(NULL);
        qalcDestroyContext(context);
        context = NULL;
    }
    if (device) {
        qalcCloseDevice(device);
        device = NULL;
    }
 
#define QAL(type, func)  q##func = NULL
    QALC_IMP
    QAL_IMP
#undef QAL
 
    if (handle) {
        Sys_FreeLibrary(handle);
        handle = NULL;
    }
 
    if (al_driver)
        al_driver->flags &= ~CVAR_SOUND;
    if (al_device)
        al_device->flags &= ~CVAR_SOUND;
}