### - m -

- map : pw_memblock
- mapoffset : spa_data
- mask : spa_source
- matrix : spa_video_colorimetry
- max : pw_stream_control , spa_io_latency
- max_align : spa_buffer_alloc_info
- max_framerate : spa_video_info_h264 , spa_video_info_mjpg , spa_video_info_raw
- max_input_ports : pw_node_info , spa_node_info
- max_ns : spa_latency_info
- max_output_ports : pw_node_info , spa_node_info
- max_quantum : spa_latency_info
- max_rate : spa_latency_info
- max_size : spa_io_range
- max_values : pw_stream_control
- maxsize : spa_data
- media_class : pw_endpoint_info
- media_subtype : spa_audio_info , spa_video_info
- media_type : spa_audio_info , spa_video_info
- mem : pw_buffers
- mem_id : pw_client_node_buffer
- mem_size : spa_buffer_alloc_info
- message : spa_result_node_error
- meta_size : spa_buffer_alloc_info
- metas : spa_buffer , spa_buffer_alloc_info
- min : pw_stream_control , spa_io_latency
- min_ns : spa_latency_info
- min_quantum : spa_latency_info
- min_rate : spa_latency_info
- min_size : spa_io_range
- minutes : spa_io_segment_video
- mjpg : spa_video_info
- modifier : spa_video_info_dsp , spa_video_info_raw
- multiview_flags : spa_video_info_raw
- multiview_mode : spa_video_info_raw