4 #if defined(RTAUDIO_EXPORT)
6 #define RTAUDIOAPI __declspec(dllexport)
8 #define RTAUDIOAPI __attribute__((visibility("default")))
11 #define RTAUDIOAPI //__declspec(dllimport)
18 typedef unsigned long rtaudio_format_t;
20 #define RTAUDIO_FORMAT_SINT8 0x01
21 #define RTAUDIO_FORMAT_SINT16 0x02
22 #define RTAUDIO_FORMAT_SINT24 0x04
23 #define RTAUDIO_FORMAT_SINT32 0x08
24 #define RTAUDIO_FORMAT_FLOAT32 0x10
25 #define RTAUDIO_FORMAT_FLOAT64 0x20
27 typedef unsigned int rtaudio_stream_flags_t;
29 #define RTAUDIO_FLAGS_NONINTERLEAVED 0x1
30 #define RTAUDIO_FLAGS_MINIMIZE_LATENCY 0x2
31 #define RTAUDIO_FLAGS_HOG_DEVICE 0x4
32 #define RTAUDIO_FLAGS_SCHEDULE_REALTIME 0x8
33 #define RTAUDIO_FLAGS_ALSA_USE_DEFAULT 0x10
35 typedef unsigned int rtaudio_stream_status_t;
37 #define RTAUDIO_STATUS_INPUT_OVERFLOW 0x1
38 #define RTAUDIO_STATUS_OUTPUT_UNDERFLOW 0x2
40 typedef int (*rtaudio_cb_t)(void *out, void *in, unsigned int nFrames,
41 double stream_time, rtaudio_stream_status_t status,
44 typedef enum rtaudio_error {
45 RTAUDIO_ERROR_WARNING,
46 RTAUDIO_ERROR_DEBUG_WARNING,
47 RTAUDIO_ERROR_UNSPECIFIED,
48 RTAUDIO_ERROR_NO_DEVICES_FOUND,
49 RTAUDIO_ERROR_INVALID_DEVICE,
50 RTAUDIO_ERROR_MEMORY_ERROR,
51 RTAUDIO_ERROR_INVALID_PARAMETER,
52 RTAUDIO_ERROR_INVALID_USE,
53 RTAUDIO_ERROR_DRIVER_ERROR,
54 RTAUDIO_ERROR_SYSTEM_ERROR,
55 RTAUDIO_ERROR_THREAD_ERROR,
58 typedef void (*rtaudio_error_cb_t)(rtaudio_error_t err, const char *msg);
60 typedef enum rtaudio_api {
61 RTAUDIO_API_UNSPECIFIED,
62 RTAUDIO_API_LINUX_ALSA,
63 RTAUDIO_API_LINUX_PULSE,
64 RTAUDIO_API_LINUX_OSS,
65 RTAUDIO_API_UNIX_JACK,
66 RTAUDIO_API_MACOSX_CORE,
67 RTAUDIO_API_WINDOWS_WASAPI,
68 RTAUDIO_API_WINDOWS_ASIO,
69 RTAUDIO_API_WINDOWS_DS,
73 #define NUM_SAMPLE_RATES 16
74 #define MAX_NAME_LENGTH 512
75 typedef struct rtaudio_device_info {
77 unsigned int output_channels;
78 unsigned int input_channels;
79 unsigned int duplex_channels;
81 int is_default_output;
84 rtaudio_format_t native_formats;
86 unsigned int preferred_sample_rate;
87 int sample_rates[NUM_SAMPLE_RATES];
89 char name[MAX_NAME_LENGTH];
90 } rtaudio_device_info_t;
92 typedef struct rtaudio_stream_parameters {
93 unsigned int device_id;
94 unsigned int num_channels;
95 unsigned int first_channel;
96 } rtaudio_stream_parameters_t;
98 typedef struct rtaudio_stream_options {
99 rtaudio_stream_flags_t flags;
100 unsigned int num_buffers;
102 char name[MAX_NAME_LENGTH];
103 } rtaudio_stream_options_t;
105 typedef struct rtaudio *rtaudio_t;
107 RTAUDIOAPI const char *rtaudio_version(void);
108 RTAUDIOAPI const rtaudio_api_t *rtaudio_compiled_api(void);
109 RTAUDIOAPI const char *rtaudio_compiled_api_name(rtaudio_api_t api);
110 RTAUDIOAPI const char *rtaudio_compiled_api_display_name(rtaudio_api_t api);
111 RTAUDIOAPI rtaudio_api_t rtaudio_compiled_api_by_name(const char *name);
113 RTAUDIOAPI const char *rtaudio_error(rtaudio_t audio);
115 RTAUDIOAPI rtaudio_t rtaudio_create(rtaudio_api_t api);
116 RTAUDIOAPI void rtaudio_destroy(rtaudio_t audio);
118 RTAUDIOAPI rtaudio_api_t rtaudio_current_api(rtaudio_t audio);
120 RTAUDIOAPI int rtaudio_device_count(rtaudio_t audio);
121 RTAUDIOAPI rtaudio_device_info_t rtaudio_get_device_info(rtaudio_t audio,
123 RTAUDIOAPI unsigned int rtaudio_get_default_output_device(rtaudio_t audio);
124 RTAUDIOAPI unsigned int rtaudio_get_default_input_device(rtaudio_t audio);
127 rtaudio_open_stream(rtaudio_t audio, rtaudio_stream_parameters_t *output_params,
128 rtaudio_stream_parameters_t *input_params,
129 rtaudio_format_t format, unsigned int sample_rate,
130 unsigned int *buffer_frames, rtaudio_cb_t cb,
131 void *userdata, rtaudio_stream_options_t *options,
132 rtaudio_error_cb_t errcb);
133 RTAUDIOAPI void rtaudio_close_stream(rtaudio_t audio);
134 RTAUDIOAPI int rtaudio_start_stream(rtaudio_t audio);
135 RTAUDIOAPI int rtaudio_stop_stream(rtaudio_t audio);
136 RTAUDIOAPI int rtaudio_abort_stream(rtaudio_t audio);
138 RTAUDIOAPI int rtaudio_is_stream_open(rtaudio_t audio);
139 RTAUDIOAPI int rtaudio_is_stream_running(rtaudio_t audio);
141 RTAUDIOAPI double rtaudio_get_stream_time(rtaudio_t audio);
142 RTAUDIOAPI void rtaudio_set_stream_time(rtaudio_t audio, double time);
143 RTAUDIOAPI int rtaudio_get_stream_latency(rtaudio_t audio);
144 RTAUDIOAPI unsigned int rtaudio_get_stream_sample_rate(rtaudio_t audio);
146 RTAUDIOAPI void rtaudio_show_warnings(rtaudio_t audio, int show);
151 #endif /* RTAUDIO_C_H */