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mpv/libao2/audio_out.h
al3x d18ea939ef ao_subdevice implemented
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1186 b3059339-0415-0410-9bf9-f77b7e298cf2
2001-06-21 22:34:58 +00:00

58 lines
1.5 KiB
C

typedef struct ao_info_s
{
/* driver name ("Matrox Millennium G200/G400" */
const char *name;
/* short name (for config strings) ("mga") */
const char *short_name;
/* author ("Aaron Holtzman <aholtzma@ess.engr.uvic.ca>") */
const char *author;
/* any additional comments */
const char *comment;
} ao_info_t;
typedef struct ao_functions_s
{
ao_info_t *info;
int (*control)(int cmd,int arg);
int (*init)(int rate,int channels,int format,int flags);
void (*uninit)();
void (*reset)();
int (*get_space)();
int (*play)(void* data,int len,int flags);
int (*get_delay)();
void (*pause)();
void (*resume)();
} ao_functions_t;
// prototypes
extern char *audio_out_format_name(int format);
// NULL terminated array of all drivers
extern ao_functions_t* audio_out_drivers[];
extern int ao_samplerate;
extern int ao_channels;
extern int ao_format;
extern int ao_bps;
extern int ao_outburst;
extern int ao_buffersize;
extern char *ao_subdevice;
#define CONTROL_OK 1
#define CONTROL_TRUE 1
#define CONTROL_FALSE 0
#define CONTROL_UNKNOWN -1
#define CONTROL_ERROR -2
#define CONTROL_NA -3
#define AOCONTROL_SET_DEVICE 1
#define AOCONTROL_GET_DEVICE 2
#define AOCONTROL_QUERY_FORMAT 3 /* test for availabilty of a format */
#define AOCONTROL_GET_VOLUME 4
#define AOCONTROL_SET_VOLUME 5
typedef struct ao_control_vol_s {
float left;
float right;
} ao_control_vol_t;