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    ma_uint8 channels;
} ma_pa_sample_spec;

typedef struct
{
    const char* name;
    ma_uint32 index;
    const char* description;
    ma_pa_sample_spec sample_spec;
    ma_pa_channel_map channel_map;
    ma_uint32 owner_module;
    ma_pa_cvolume volume;
    int mute;
    ma_uint32 monitor_source;
    const char* monitor_source_name;
    ma_uint64 latency;
    const char* driver;
    ma_pa_sink_flags_t flags;
    void* proplist;
    ma_uint64 configured_latency;
    ma_uint32 base_volume;
    ma_pa_sink_state_t state;
    ma_uint32 n_volume_steps;
    ma_uint32 card;
    ma_uint32 n_ports;
    void** ports;
    void* active_port;
    ma_uint8 n_formats;
    void** formats;
} ma_pa_sink_info;

typedef struct
{
    const char *name;
    ma_uint32 index;
    const char *description;
    ma_pa_sample_spec sample_spec;
    ma_pa_channel_map channel_map;
    ma_uint32 owner_module;
    ma_pa_cvolume volume;
    int mute;
    ma_uint32 monitor_of_sink;
    const char *monitor_of_sink_name;
    ma_uint64 latency;
    const char *driver;
    ma_pa_source_flags_t flags;
    void* proplist;
    ma_uint64 configured_latency;
    ma_uint32 base_volume;
    ma_pa_source_state_t state;
    ma_uint32 n_volume_steps;
    ma_uint32 card;
    ma_uint32 n_ports;
    void** ports;
    void* active_port;
    ma_uint8 n_formats;
    void** formats;
} ma_pa_source_info;

typedef void (* ma_pa_context_notify_cb_t)(ma_pa_context* c, void* userdata);
typedef void (* ma_pa_sink_info_cb_t)     (ma_pa_context* c, const ma_pa_sink_info* i, int eol, void* userdata);
typedef void (* ma_pa_source_info_cb_t)   (ma_pa_context* c, const ma_pa_source_info* i, int eol, void* userdata);
typedef void (* ma_pa_stream_success_cb_t)(ma_pa_stream* s, int success, void* userdata);
typedef void (* ma_pa_stream_request_cb_t)(ma_pa_stream* s, size_t nbytes, void* userdata);
typedef void (* ma_pa_free_cb_t)          (void* p);
#endif


typedef ma_pa_mainloop*          (* ma_pa_mainloop_new_proc)                   (void);
typedef void                     (* ma_pa_mainloop_free_proc)                  (ma_pa_mainloop* m);
typedef ma_pa_mainloop_api*      (* ma_pa_mainloop_get_api_proc)               (ma_pa_mainloop* m);
typedef int                      (* ma_pa_mainloop_iterate_proc)               (ma_pa_mainloop* m, int block, int* retval);
typedef void                     (* ma_pa_mainloop_wakeup_proc)                (ma_pa_mainloop* m);
typedef ma_pa_context*           (* ma_pa_context_new_proc)                    (ma_pa_mainloop_api* mainloop, const char* name);
typedef void                     (* ma_pa_context_unref_proc)                  (ma_pa_context* c);
typedef int                      (* ma_pa_context_connect_proc)                (ma_pa_context* c, const char* server, ma_pa_context_flags_t flags, const ma_pa_spawn_api* api);
typedef void                     (* ma_pa_context_disconnect_proc)             (ma_pa_context* c);
typedef void                     (* ma_pa_context_set_state_callback_proc)     (ma_pa_context* c, ma_pa_context_notify_cb_t cb, void* userdata);
typedef ma_pa_context_state_t    (* ma_pa_context_get_state_proc)              (ma_pa_context* c);
typedef ma_pa_operation*         (* ma_pa_context_get_sink_info_list_proc)     (ma_pa_context* c, ma_pa_sink_info_cb_t cb, void* userdata);
typedef ma_pa_operation*         (* ma_pa_context_get_source_info_list_proc)   (ma_pa_context* c, ma_pa_source_info_cb_t cb, void* userdata);
typedef ma_pa_operation*         (* ma_pa_context_get_sink_info_by_name_proc)  (ma_pa_context* c, const char* name, ma_pa_sink_info_cb_t cb, void* userdata);
typedef ma_pa_operation*         (* ma_pa_context_get_source_info_by_name_proc)(ma_pa_context* c, const char* name, ma_pa_source_info_cb_t cb, void* userdata);
typedef void                     (* ma_pa_operation_unref_proc)                (ma_pa_operation* o);
typedef ma_pa_operation_state_t  (* ma_pa_operation_get_state_proc)            (ma_pa_operation* o);
typedef ma_pa_channel_map*       (* ma_pa_channel_map_init_extend_proc)        (ma_pa_channel_map* m, unsigned channels, ma_pa_channel_map_def_t def);
typedef int                      (* ma_pa_channel_map_valid_proc)              (const ma_pa_channel_map* m);
typedef int                      (* ma_pa_channel_map_compatible_proc)         (const ma_pa_channel_map* m, const ma_pa_sample_spec* ss);
typedef ma_pa_stream*            (* ma_pa_stream_new_proc)                     (ma_pa_context* c, const char* name, const ma_pa_sample_spec* ss, const ma_pa_channel_map* map);
typedef void                     (* ma_pa_stream_unref_proc)                   (ma_pa_stream* s);
typedef int                      (* ma_pa_stream_connect_playback_proc)        (ma_pa_stream* s, const char* dev, const ma_pa_buffer_attr* attr, ma_pa_stream_flags_t flags, const ma_pa_cvolume* volume, ma_pa_stream* sync_stream);
typedef int                      (* ma_pa_stream_connect_record_proc)          (ma_pa_stream* s, const char* dev, const ma_pa_buffer_attr* attr, ma_pa_stream_flags_t flags);
typedef int                      (* ma_pa_stream_disconnect_proc)              (ma_pa_stream* s);
typedef ma_pa_stream_state_t     (* ma_pa_stream_get_state_proc)               (ma_pa_stream* s);
typedef const ma_pa_sample_spec* (* ma_pa_stream_get_sample_spec_proc)         (ma_pa_stream* s);
typedef const ma_pa_channel_map* (* ma_pa_stream_get_channel_map_proc)         (ma_pa_stream* s);
typedef const ma_pa_buffer_attr* (* ma_pa_stream_get_buffer_attr_proc)         (ma_pa_stream* s);
typedef ma_pa_operation*         (* ma_pa_stream_set_buffer_attr_proc)         (ma_pa_stream* s, const ma_pa_buffer_attr* attr, ma_pa_stream_success_cb_t cb, void* userdata);
typedef const char*              (* ma_pa_stream_get_device_name_proc)         (ma_pa_stream* s);
typedef void                     (* ma_pa_stream_set_write_callback_proc)      (ma_pa_stream* s, ma_pa_stream_request_cb_t cb, void* userdata);
typedef void                     (* ma_pa_stream_set_read_callback_proc)       (ma_pa_stream* s, ma_pa_stream_request_cb_t cb, void* userdata);
typedef ma_pa_operation*         (* ma_pa_stream_flush_proc)                   (ma_pa_stream* s, ma_pa_stream_success_cb_t cb, void* userdata);
typedef ma_pa_operation*         (* ma_pa_stream_drain_proc)                   (ma_pa_stream* s, ma_pa_stream_success_cb_t cb, void* userdata);
typedef int                      (* ma_pa_stream_is_corked_proc)               (ma_pa_stream* s);
typedef ma_pa_operation*         (* ma_pa_stream_cork_proc)                    (ma_pa_stream* s, int b, ma_pa_stream_success_cb_t cb, void* userdata);
typedef ma_pa_operation*         (* ma_pa_stream_trigger_proc)                 (ma_pa_stream* s, ma_pa_stream_success_cb_t cb, void* userdata);
typedef int                      (* ma_pa_stream_begin_write_proc)             (ma_pa_stream* s, void** data, size_t* nbytes);
typedef int                      (* ma_pa_stream_write_proc)                   (ma_pa_stream* s, const void* data, size_t nbytes, ma_pa_free_cb_t free_cb, int64_t offset, ma_pa_seek_mode_t seek);
typedef int                      (* ma_pa_stream_peek_proc)                    (ma_pa_stream* s, const void** data, size_t* nbytes);
typedef int                      (* ma_pa_stream_drop_proc)                    (ma_pa_stream* s);
typedef size_t                   (* ma_pa_stream_writable_size_proc)           (ma_pa_stream* s);
typedef size_t                   (* ma_pa_stream_readable_size_proc)           (ma_pa_stream* s);

typedef struct
{
    ma_uint32 count;
    ma_uint32 capacity;
    ma_device_info* pInfo;
} ma_pulse_device_enum_data;

static ma_result ma_result_from_pulse(int result)
{