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#include <configed.h>
#include "mixer.h"
#ifdef HAVE_MIXER
#define drvNone -1
#define drvFailed -2
static int Driver=drvNone,DriverOld=drvNone;
const char sMxVol[] =" Vol ";
const char sMxBass[] ="Bass ";
const char sMxTrebl[]="Trebl";
const char sMxSynth[]="Synth";
const char sMxWave[] ="Wave ";
const char sMxSpkr[] ="Spkr ";
const char sMxLine[] ="Line ";
const char sMxMic[] =" Mic ";
const char sMxCD[] =" CD ";
const char sMxMix[] =" Mix ";
const char sMxWave2[]="Wave2";
const char sMxRec[] =" Rec ";
const char sMxIGain[]="IGain";
const char sMxOGain[]="OGain";
const char sMxLine1[]="Line1";
const char sMxLine2[]="Line2";
const char sMxLine3[]="Line3";
const char lMxVol[] ="master vol";
const char lMxBass[] ="bass";
const char lMxTrebl[]="treble";
const char lMxSynth[]="synthetized";
const char lMxWave[] ="wave";
const char lMxSpkr[] ="speaker";
const char lMxLine[] ="line";
const char lMxMic[] ="mic";
const char lMxCD[] ="cd";
const char lMxMix[] ="mixer";
const char lMxWave2[]="wave 2";
const char lMxRec[] ="record";
const char lMxIGain[]="input gain";
const char lMxOGain[]="output gain";
const char lMxLine1[]="line 1";
const char lMxLine2[]="line 2";
const char lMxLine3[]="line 3";
typedef struct
{
int (*Init)();
void (*DeInit)();
int (*Set)(int id, int left, int right);
int (*Read)(int id, int *left, int *right);
const BOARD_MIXER *(*GetElements)(int *cant);
void (*GetName)(char *buffer, int size);
} stDriver;
#define MaxNameLen 80
static char DrvName[MaxNameLen];
stDriver Drivers[]=
{
#ifdef SECompf_djgpp
{ SBMixerInit, SBMixerDeInit, SBSetMixerValue,
SBReadMixerValue, SBGetElements, SBGetName }
#endif
#ifdef SEOSf_Linux
{ LinuxMixerInit, LinuxMixerDeInit, LinuxSetMixerValue,
LinuxReadMixerValue, LinuxGetElements, LinuxMixerGetName }
#endif
};
#define NumDrivers (sizeof(Drivers)/sizeof(stDriver))
int MixerInit()
{
int i;
if (Driver>=0) return 1;
if (Driver!=drvFailed && DriverOld>=0)
{
if (Drivers[DriverOld].Init())
{
Driver=DriverOld;
return 1;
}
DriverOld=drvFailed;
}
for (i=0; i<NumDrivers; i++)
if (Drivers[i].Init())
{
Driver=i;
return 1;
}
Driver=drvFailed;
return 0;
}
void MixerDeInit()
{
if (Driver<0) return;
Drivers[Driver].DeInit();
DriverOld=Driver;
Driver=drvNone;
}
int SetMixerValue(int id, int left, int right)
{
if (Driver<0) return 0;
return Drivers[Driver].Set(id,left,right);
}
int ReadMixerValue(int id, int *left, int *right)
{
if (Driver<0) return 0;
return Drivers[Driver].Read(id,left,right);
}
const BOARD_MIXER *GetElements(int *cant)
{
if (Driver<0) return 0;
return Drivers[Driver].GetElements(cant);
}
const char *GetMixerName()
{
if (Driver<0) return 0;
Drivers[Driver].GetName(DrvName,MaxNameLen);
return DrvName;
}
#else // HAVE_MIXER
int MixerInit() { return 0; }
int SetMixerValue(int id, int left, int right)
{ if (id | left | right) id=0; return 0; }
void MixerDeInit() {}
const BOARD_MIXER *GetElements(int *cant)
{
*cant=0;
return 0;
}
#endif // HAVE_MIXER
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