### - r -

- range : spa_video_colorimetry
- rate : pw_time , spa_audio_info_dsd , spa_audio_info_iec958 , spa_audio_info_raw , spa_io_clock , spa_io_latency , spa_io_rate_match , spa_io_segment , spa_port_info , spa_process_latency_info
- rate_diff : spa_io_clock
- raw : spa_audio_info , spa_video_info
- read : spa_system_methods
- readindex : spa_ringbuffer
- ready : spa_node_callbacks
- ref : pw_memblock
- region : spa_meta_region
- registered : pw_impl_module_events
- remove_buffer : pw_filter_events , pw_stream_events
- remove_id : pw_core_events
- remove_mem : pw_core_events
- remove_port : pw_client_node_events , spa_node_methods
- remove_source : spa_loop_methods
- removed : pw_mempool_events , pw_proxy_events , spa_hook
- request_state : pw_endpoint_link_methods
- required : spa_graph_state
- resource_added : pw_impl_client_events
- resource_removed : pw_impl_client_events
- result : pw_impl_node_events , spa_device_events , spa_node_events
- reuse_buffer : spa_graph_node_callbacks , spa_node_callbacks
- rmask : spa_source
- run : spa_audio_aec_methods