sound.h

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#ifndef _SOUND_H_
#define _SOUND_H_

typedef enum
{
    SOUND_PCM_CH_AUTO = -1,       // auto-select
    SOUND_PCM_CH1 = 0,            // channel 1
    SOUND_PCM_CH2,                // channel 2
    SOUND_PCM_CH3,                // channel 3
    SOUND_PCM_CH4,                // channel 4
} SoundPCMChannel;

typedef enum
{
    SOUND_PAN_NONE = 0x00,        // mute
    SOUND_PAN_RIGHT = 0x40,       // right speaker only
    SOUND_PAN_LEFT = 0x80,        // left speaker only
    SOUND_PAN_CENTER = 0xC0       // center (both speakers)
} SoundPanning;

#define SOUND_PCM_CH1_MSK   (1 << SOUND_PCM_CH1)

#define SOUND_PCM_CH2_MSK   (1 << SOUND_PCM_CH2)

#define SOUND_PCM_CH3_MSK   (1 << SOUND_PCM_CH3)

#define SOUND_PCM_CH4_MSK   (1 << SOUND_PCM_CH4)


#define SOUND_PCM_AUTO      _Pragma("GCC error \"This method is deprecated, use SOUND_PCM_CH_AUTO instead.\"")


void SND_NULL_loadDriver(void);
void SND_NULL_unloadDriver(void);


#endif // _SOUND_H_