Here is a list of all variables with links to the structures/unions they belong to:

- o -

obj : addons_finder_t, addons_storage_t, audio_output, audio_volume, decoder_t, demux_meta_t, encoder_t, epg_spu_updater_sys_t, extensions_manager_t, filter_chain_t, filter_t, fingerprinter_thread_t, h264_pt_opaque, h265_pt_opaque, httpd_host_t, input_thread_t, intf_thread_t, libvlc_int_t, meta_export_t, meta_fetcher_t, mpeg4_pt_opaque, ObjectType, rtp_xiph, services_discovery_t, sout_access_out_t, sout_mux_t, sout_stream_t, spu_t, stream_directory_t, stream_extractor_t, stream_t, update_download_thread_t, video_splitter_t, vlc_decoder_device, vlc_gl_filter, vlc_gl_interop, vlc_gl_t, vlc_http_mgr, vlc_inhibit, vlc_keystore, vlc_logger_module, vlc_media_source_provider_t, vlc_medialibrary_module_t, vlc_object_t, vlc_player_t, vlc_playlist_export, vlc_probe_t, vlc_renderer_discovery_t, vlc_tls_client, vlc_tls_server, vlc_tracer_module, vlc_window, vlm_t, vout_display_t, vout_thread_sys_t, vout_thread_t, xml_reader_t, xml_t
object : aout_volume, stream_extractor_private
object_id : mpeg4_pt_opaque
obsolete : vlc_param
offscreen_chroma_out : vlc_gl_t
offscreen_vctx_out : vlc_gl_t
offset : picture_buffer_t, rtp_mpa, stream_priv_t, vlc_clock_context, vlc_http_file, vlc_video_dovi_metadata_t::vlc_dovi_nlq_t
offset_depth : vlc_video_dovi_metadata_t::vlc_dovi_nlq_t
older : vlc_h2_stream
oldmouse : es_out_id_t, vlc_input_event_mouse
on_art_fetch_ended : input_fetcher_callbacks_t
on_associated_subs_fps_changed : vlc_player_cbs
on_atobloop_changed : vlc_player_cbs
on_attachments_added : input_item_parser_cbs_t
on_buffering_changed : vlc_player_cbs
on_capabilities_changed : vlc_player_cbs
on_category_delay_changed : vlc_player_cbs
on_changed : filter_audio_callbacks
on_chapter_selection_changed : vlc_player_cbs
on_children_added : vlc_media_tree_callbacks
on_children_removed : vlc_media_tree_callbacks
on_children_reset : vlc_media_tree_callbacks
on_cork_changed : vlc_player_cbs
on_current_index_changed : vlc_playlist_callbacks
on_current_media_changed : vlc_player_cbs
on_device_changed : vlc_player_aout_cbs
on_discontinuity : vlc_clock_event_cbs
on_ended : input_item_parser_cbs_t, vlc_thumbnailer_cbs, vlc_thumbnailer_to_files_cbs
on_error_changed : vlc_player_cbs
on_event : vlc_input_thread_callbacks
on_fullscreen_changed : vlc_player_vout_cbs
on_has_next_changed : vlc_playlist_callbacks
on_has_prev_changed : vlc_playlist_callbacks
on_input_size_change : vlc_gl_filter_ops
on_items_added : vlc_playlist_callbacks
on_items_moved : vlc_playlist_callbacks
on_items_removed : vlc_playlist_callbacks
on_items_reset : vlc_playlist_callbacks
on_items_updated : vlc_playlist_callbacks
on_length_changed : vlc_player_cbs
on_loudness : vlc_audio_meter_cbs
on_loudness_changed : vlc_player_metadata_cbs
on_media_attachments_added : vlc_player_cbs
on_media_epg_changed : vlc_player_cbs
on_media_meta_changed : vlc_player_cbs
on_media_stopped_action_changed : vlc_playlist_callbacks
on_media_subitems_changed : vlc_player_cbs
on_momentary_loudness_changed : vlc_player_metadata_cbs
on_mute_changed : vlc_player_aout_cbs
on_new_audio_stats : vlc_input_decoder_callbacks
on_new_video_stats : vlc_input_decoder_callbacks
on_paused : vlc_player_timer_cbs
on_playback_order_changed : vlc_playlist_callbacks
on_playback_repeat_changed : vlc_playlist_callbacks
on_playback_restore_queried : vlc_player_cbs
on_position_changed : vlc_player_cbs
on_preparse_end : vlc_media_tree_callbacks
on_program_list_changed : vlc_player_cbs
on_program_selection_changed : vlc_player_cbs
on_rate_changed : vlc_player_cbs
on_recording_changed : vlc_player_cbs
on_renderer_changed : vlc_player_cbs
on_seek : vlc_player_timer_cbs
on_signal_changed : vlc_player_cbs
on_state_changed : vlc_player_cbs
on_statistics_changed : vlc_player_cbs
on_stopping_current_media : vlc_player_cbs
on_subtree_added : input_item_parser_cbs_t
on_teletext_enabled_changed : vlc_player_cbs
on_teletext_menu_changed : vlc_player_cbs
on_teletext_page_changed : vlc_player_cbs
on_teletext_transparency_changed : vlc_player_cbs
on_thumbnail_ready : vlc_input_decoder_callbacks
on_title_selection_changed : vlc_player_cbs
on_titles_changed : vlc_player_cbs
on_track_delay_changed : vlc_player_cbs
on_track_list_changed : vlc_player_cbs
on_track_selection_changed : vlc_player_cbs
on_update : vlc_clock_cbs, vlc_player_timer_cbs, vlc_player_timer_smpte_cbs
on_volume_changed : vlc_player_aout_cbs
on_vout_changed : vlc_player_cbs
on_vout_started : vlc_input_decoder_callbacks
on_vout_stopped : vlc_input_decoder_callbacks
on_wallpaper_mode_changed : vlc_player_vout_cbs
op : diffutil_context_t, vlc_diffutil_change_t
opaque : input_clock_t, picture_priv_t, rtp_source_t, vlc_decoder_device, vlc_exit, vlc_h1_conn, vlc_h2_conn, vlc_h2_parser, vlc_logger_external, vlc_logger_module, vlc_rtp_pt, vlc_tracer_module, vlc_window_ack_data, vout_display_window
opaques : input_item_t
open : vlc_tls_client_operations, vlc_tls_server_operations
opengl_format : libvlc_video_output_cfg_t
ops : encoder_t, extensions_manager_t, filter_t, sout_stream_t, stream_t, subpicture_updater_t, variable_t, vlc_clock_t, vlc_decoder_device, vlc_dtls, vlc_gl_filter, vlc_gl_interop, vlc_gl_t, vlc_input_es_out, vlc_logger, vlc_logger_external, vlc_logger_module, vlc_rtp_es, vlc_rtp_pt, vlc_rtp_pt_owner, vlc_tls, vlc_tls_client, vlc_tls_server, vlc_tracer, vlc_video_context, vlc_window, vout_display_t
opt : vlc_getopt_s
optflagc : input_item_t
optflagv : input_item_t
option : vlc_player_metadata_listener_id
options : task
order : spu_channel, vlc_input_event_vout, vlc_playlist, vlc_playlist_sort_criterion, vout_resource
orgstart : spu_render_entry_t
orgstop : spu_render_entry_t
orientation : libvlc_video_output_cfg_t, video_format_t, vlc_gl_input_meta, vlc_gl_t
orig : module_config_t, sap_address_t
original : vout_thread_sys_t
origlen : sap_address_t
out : es_out_id_t, es_out_source, es_out_sys_t, es_out_timeshift, stream_t, vlc_demux_chained_t, vlc_h2_conn, vlc_input_es_out, vlc_rtp_es_id
out_pool : vlc_input_decoder_t
outfifo : image_handler_t
output : aout_instance_t
output_clock : vlc_input_event
output_cond : spu_private_t
output_count : task
output_dejitter : vlc_clock_main_t
output_delay : vlc_input_decoder_t
output_event : vlc_window_callbacks
output_factor : aout_volume
output_paused : vlc_input_decoder_t
output_rate : vlc_input_decoder_t
outputs : task
overruns : vlc_timer
owner : addons_manager_t, aout_instance_t, filter_t, input_fetcher_t, media_source_private_t, services_discovery_t, vlc_audio_meter_plugin, vlc_clock_t, vlc_executor_thread, vlc_mutex_t, vlc_param, vlc_preparser_t, vlc_queuedmutex_t, vlc_renderer_discovery_t, vlc_rtp_pt, vlc_window, vout_display_t