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/*
* arcaudio.h
*
*/
#ifndef _LINUX_ARCAUDIO_H
#define _LINUX_ARCAUDIO_H
#define ARCAUDIO_MAXCHANNELS 8
enum ch_type
{
ARCAUDIO_NONE, /* No sound (muted) */
ARCAUDIO_8BITSIGNED, /* signed 8 bits per samples */
ARCAUDIO_8BITUNSIGNED, /* unsigned 8 bits per samples */
ARCAUDIO_16BITSIGNED, /* signed 16 bits per samples (little endian) */
ARCAUDIO_16BITUNSIGNED, /* unsigned 16 bits per samples (little endian) */
ARCAUDIO_LOG /* Vidc Log */
};
/*
* Global information
*/
struct arcaudio
{
int sample_rate; /* sample rate (Hz) */
int num_channels; /* number of channels */
int volume; /* overall system volume */
};
/*
* Per channel information
*/
struct arcaudio_channel
{
int stereo_position; /* Channel position */
int channel_volume; /* Channel volume */
enum ch_type channel_type; /* Type of channel */
int buffer_size; /* Size of channel buffer */
};
/* IOCTLS */
#define ARCAUDIO_GETINFO 0x6101
#define ARCAUDIO_SETINFO 0x6102
#define ARCAUDIO_GETCHANNELINFO 0x6111
#define ARCAUDIO_SETCHANNELINFO 0x6112
#define ARCAUDIO_GETOPTS 0x61f0
#define ARCAUDIO_SETOPTS 0x61f1
#define ARCAUDIO_OPTSPKR 1<<0
#endif
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