xref: /kernel/linux/patches/linux-4.19/prebuilts/usr/include/linux/dvb/audio.h

/*
 * This header was generated from the Linux kernel headers by update_headers.py,
 * to provide necessary information from kernel to userspace, such as constants,
 * structures, and macros, and thus, contains no copyrightable information.
 */
#ifndef _DVBAUDIO_H_
#define _DVBAUDIO_H_
#include <linux/types.h>
typedef enum {
	AUDIO_SOURCE_DEMUX,
	AUDIO_SOURCE_MEMORY
} audio_stream_source_t;
typedef enum {
	AUDIO_STOPPED,
	AUDIO_PLAYING,
	AUDIO_PAUSED
} audio_play_state_t;
typedef enum {
	AUDIO_STEREO,
	AUDIO_MONO_LEFT,
	AUDIO_MONO_RIGHT,
	AUDIO_MONO,
	AUDIO_STEREO_SWAPPED
} audio_channel_select_t;
typedef struct audio_mixer {
	unsigned int volume_left;
	unsigned int volume_right;

} audio_mixer_t;
typedef struct audio_status {
	int                    AV_sync_state;
	int                    mute_state;
	audio_play_state_t     play_state;
	audio_stream_source_t  stream_source;
	audio_channel_select_t channel_select;
	int                    bypass_mode;
	audio_mixer_t	       mixer_state;
} audio_status_t;
#define AUDIO_CAP_DTS    1
#define AUDIO_CAP_LPCM   2
#define AUDIO_CAP_MP1    4
#define AUDIO_CAP_MP2    8
#define AUDIO_CAP_MP3   16
#define AUDIO_CAP_AAC   32
#define AUDIO_CAP_OGG   64
#define AUDIO_CAP_SDDS 128
#define AUDIO_CAP_AC3  256
#define AUDIO_STOP                 _IO('o', 1)
#define AUDIO_PLAY                 _IO('o', 2)
#define AUDIO_PAUSE                _IO('o', 3)
#define AUDIO_CONTINUE             _IO('o', 4)
#define AUDIO_SELECT_SOURCE        _IO('o', 5)
#define AUDIO_SET_MUTE             _IO('o', 6)
#define AUDIO_SET_AV_SYNC          _IO('o', 7)
#define AUDIO_SET_BYPASS_MODE      _IO('o', 8)
#define AUDIO_CHANNEL_SELECT       _IO('o', 9)
#define AUDIO_GET_STATUS           _IOR('o', 10, audio_status_t)
#define AUDIO_GET_CAPABILITIES     _IOR('o', 11, unsigned int)
#define AUDIO_CLEAR_BUFFER         _IO('o',  12)
#define AUDIO_SET_ID               _IO('o', 13)
#define AUDIO_SET_MIXER            _IOW('o', 14, audio_mixer_t)
#define AUDIO_SET_STREAMTYPE       _IO('o', 15)
#define AUDIO_BILINGUAL_CHANNEL_SELECT _IO('o', 20)
#endif