Subversion Repositories or1k

/*

 * 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