Struct Ops 

#[repr(C)]
pub struct Ops {

    pub init: Option<unsafe extern "C" fn(context: *mut *mut cubeb, context_name: *const c_char) -> c_int>,
    pub get_backend_id: Option<unsafe extern "C" fn(context: *mut cubeb) -> *const c_char>,
    pub get_max_channel_count: Option<unsafe extern "C" fn(context: *mut cubeb, max_channels: *mut c_uint) -> c_int>,
    pub get_min_latency: Option<unsafe extern "C" fn(context: *mut cubeb, params: cubeb_stream_params, latency_ms: *mut c_uint) -> c_int>,
    pub get_preferred_sample_rate: Option<unsafe extern "C" fn(context: *mut cubeb, rate: *mut u32) -> c_int>,
    pub get_supported_input_processing_params: Option<unsafe extern "C" fn(c: *mut cubeb, params: *mut cubeb_input_processing_params) -> c_int>,
    pub enumerate_devices: Option<unsafe extern "C" fn(context: *mut cubeb, devtype: cubeb_device_type, collection: *mut cubeb_device_collection) -> c_int>,
    pub device_collection_destroy: Option<unsafe extern "C" fn(context: *mut cubeb, collection: *mut cubeb_device_collection) -> c_int>,
    pub destroy: Option<unsafe extern "C" fn(context: *mut cubeb)>,
    pub stream_init: Option<unsafe extern "C" fn(context: *mut cubeb, stream: *mut *mut cubeb_stream, stream_name: *const c_char, input_device: cubeb_devid, input_stream_params: *mut cubeb_stream_params, output_device: cubeb_devid, output_stream_params: *mut cubeb_stream_params, latency: c_uint, data_callback: cubeb_data_callback, state_callback: cubeb_state_callback, user_ptr: *mut c_void) -> c_int>,
    pub stream_destroy: Option<unsafe extern "C" fn(stream: *mut cubeb_stream)>,
    pub stream_start: Option<unsafe extern "C" fn(stream: *mut cubeb_stream) -> c_int>,
    pub stream_stop: Option<unsafe extern "C" fn(stream: *mut cubeb_stream) -> c_int>,
    pub stream_get_position: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, position: *mut u64) -> c_int>,
    pub stream_get_latency: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, latency: *mut u32) -> c_int>,
    pub stream_get_input_latency: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, latency: *mut u32) -> c_int>,
    pub stream_set_volume: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, volumes: c_float) -> c_int>,
    pub stream_set_name: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, name: *const c_char) -> c_int>,
    pub stream_get_current_device: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, device: *mut *mut cubeb_device) -> c_int>,
    pub stream_set_input_mute: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, mute: c_int) -> c_int>,
    pub stream_set_input_processing_params: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, params: cubeb_input_processing_params) -> c_int>,
    pub stream_device_destroy: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, device: *mut cubeb_device) -> c_int>,
    pub stream_register_device_changed_callback: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, device_changed_callback: cubeb_device_changed_callback) -> c_int>,
    pub register_device_collection_changed: Option<unsafe extern "C" fn(context: *mut cubeb, devtype: cubeb_device_type, callback: cubeb_device_collection_changed_callback, user_ptr: *mut c_void) -> c_int>,
}

Fields

init: Option<unsafe extern "C" fn(context: *mut *mut cubeb, context_name: *const c_char) -> c_int>

get_backend_id: Option<unsafe extern "C" fn(context: *mut cubeb) -> *const c_char>

get_max_channel_count: Option<unsafe extern "C" fn(context: *mut cubeb, max_channels: *mut c_uint) -> c_int>

get_min_latency: Option<unsafe extern "C" fn(context: *mut cubeb, params: cubeb_stream_params, latency_ms: *mut c_uint) -> c_int>

get_preferred_sample_rate: Option<unsafe extern "C" fn(context: *mut cubeb, rate: *mut u32) -> c_int>

get_supported_input_processing_params: Option<unsafe extern "C" fn(c: *mut cubeb, params: *mut cubeb_input_processing_params) -> c_int>

enumerate_devices: Option<unsafe extern "C" fn(context: *mut cubeb, devtype: cubeb_device_type, collection: *mut cubeb_device_collection) -> c_int>

device_collection_destroy: Option<unsafe extern "C" fn(context: *mut cubeb, collection: *mut cubeb_device_collection) -> c_int>

destroy: Option<unsafe extern "C" fn(context: *mut cubeb)>

stream_init: Option<unsafe extern "C" fn(context: *mut cubeb, stream: *mut *mut cubeb_stream, stream_name: *const c_char, input_device: cubeb_devid, input_stream_params: *mut cubeb_stream_params, output_device: cubeb_devid, output_stream_params: *mut cubeb_stream_params, latency: c_uint, data_callback: cubeb_data_callback, state_callback: cubeb_state_callback, user_ptr: *mut c_void) -> c_int>

stream_destroy: Option<unsafe extern "C" fn(stream: *mut cubeb_stream)>

stream_start: Option<unsafe extern "C" fn(stream: *mut cubeb_stream) -> c_int>

stream_stop: Option<unsafe extern "C" fn(stream: *mut cubeb_stream) -> c_int>

stream_get_position: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, position: *mut u64) -> c_int>

stream_get_latency: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, latency: *mut u32) -> c_int>

stream_get_input_latency: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, latency: *mut u32) -> c_int>

stream_set_volume: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, volumes: c_float) -> c_int>

stream_set_name: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, name: *const c_char) -> c_int>

stream_get_current_device: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, device: *mut *mut cubeb_device) -> c_int>

stream_set_input_mute: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, mute: c_int) -> c_int>

stream_set_input_processing_params: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, params: cubeb_input_processing_params) -> c_int>

stream_device_destroy: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, device: *mut cubeb_device) -> c_int>

stream_register_device_changed_callback: Option<unsafe extern "C" fn(stream: *mut cubeb_stream, device_changed_callback: cubeb_device_changed_callback) -> c_int>

register_device_collection_changed: Option<unsafe extern "C" fn(context: *mut cubeb, devtype: cubeb_device_type, callback: cubeb_device_collection_changed_callback, user_ptr: *mut c_void) -> c_int>