507 lines
14 KiB
ReStructuredText
507 lines
14 KiB
ReStructuredText
OBS Studio Frontend API
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=======================
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The OBS Studio frontend API is the API specific to OBS Studio itself.
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.. code:: cpp
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#include <obs-frontend-api.h>
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Structures/Enumerations
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-----------------------
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.. type:: enum obs_frontend_event
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Specifies a front-end event. Can be one of the following values:
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- **OBS_FRONTEND_EVENT_STREAMING_STARTING**
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Triggered when streaming is starting.
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- **OBS_FRONTEND_EVENT_STREAMING_STARTED**
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Triggered when streaming has successfully started.
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- **OBS_FRONTEND_EVENT_STREAMING_STOPPING**
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Triggered when streaming is stopping.
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- **OBS_FRONTEND_EVENT_STREAMING_STOPPED**
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Triggered when streaming has fully stopped.
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- **OBS_FRONTEND_EVENT_RECORDING_STARTING**
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Triggered when recording is starting.
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- **OBS_FRONTEND_EVENT_RECORDING_STARTED**
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Triggered when recording has successfully started.
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- **OBS_FRONTEND_EVENT_RECORDING_STOPPING**
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Triggered when recording is stopping.
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- **OBS_FRONTEND_EVENT_RECORDING_STOPPED**
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Triggered when recording has fully stopped.
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- **OBS_FRONTEND_EVENT_SCENE_CHANGED**
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Triggered when the current scene has changed.
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- **OBS_FRONTEND_EVENT_SCENE_LIST_CHANGED**
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Triggered when a scenes has been added/removed/reordered by the
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user.
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- **OBS_FRONTEND_EVENT_TRANSITION_CHANGED**
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Triggered when the current transition has changed by the user.
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- **OBS_FRONTEND_EVENT_TRANSITION_STOPPED**
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Triggered when a transition has completed.
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- **OBS_FRONTEND_EVENT_TRANSITION_LIST_CHANGED**
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Triggered when the user adds/removes transitions.
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- **OBS_FRONTEND_EVENT_SCENE_COLLECTION_CHANGED**
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Triggered when the user has changed the current scene collection.
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- **OBS_FRONTEND_EVENT_SCENE_COLLECTION_LIST_CHANGED**
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Triggered when the user has added/removed/renamed scene
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collections.
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- **OBS_FRONTEND_EVENT_PROFILE_CHANGED**
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Triggered when the user has changed the current profile.
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- **OBS_FRONTEND_EVENT_PROFILE_LIST_CHANGED**
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Triggered when the user has added/removed/renamed profiles.
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- **OBS_FRONTEND_EVENT_EXIT**
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Triggered when the program is about to exit.
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- **OBS_FRONTEND_EVENT_REPLAY_BUFFER_STARTING**
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Triggered when the replay buffer is starting.
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- **OBS_FRONTEND_EVENT_REPLAY_BUFFER_STARTED**
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Triggered when the replay buffer has successfully started.
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- **OBS_FRONTEND_EVENT_REPLAY_BUFFER_STOPPING**
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Triggered when the replay buffer is stopping.
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- **OBS_FRONTEND_EVENT_REPLAY_BUFFER_STOPPED**
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Triggered when the replay buffer has fully stopped.
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- **OBS_FRONTEND_EVENT_STUDIO_MODE_ENABLED**
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Triggered when the user has turned on studio mode.
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- **OBS_FRONTEND_EVENT_STUDIO_MODE_DISABLED**
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Triggered when the user has turned off studio mode.
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- **OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED**
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Triggered when the current preview scene has changed in studio
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mode.
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- **OBS_FRONTEND_EVENT_SCENE_COLLECTION_CLEANUP**
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Triggered when a scene collection has been completely unloaded, and
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the program is either about to load a new scene collection, or the
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program is about to exit.
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.. type:: struct obs_frontend_source_list
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- DARRAY(obs_source_t*) **sources**
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Example usage:
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.. code:: cpp
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struct obs_frontend_source_list scenes;
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obs_frontend_get_scenes(&scenes);
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for (size_t i = 0; i < scenes.num; i++) {
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obs_source_t *source = scenes.sources.array[i];
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[...]
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}
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obs_frontend_source_list_free(&scenes);
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.. type:: typedef void (*obs_frontend_cb)(void *private_data)
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Frontend tool menu callback.
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.. type:: typedef void (*obs_frontend_event_cb)(enum obs_frontend_event event, void *private_data)
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Frontend event callback.
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.. type:: typedef void (*obs_frontend_save_cb)(obs_data_t *save_data, bool saving, void *private_data)
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Frontend save/load callback.
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.. type:: typedef bool (*obs_frontend_translate_ui_cb)(const char *text, const char **out)
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Translation callback.
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Functions
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---------
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.. function:: void obs_frontend_source_list_free(struct obs_frontend_source_list *source_list)
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Releases sources within a source list and frees the list.
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:param source_list: Source list to free.
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---------------------------------------
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.. function:: void *obs_frontend_get_main_window(void)
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:return: The QMainWindow pointer to the OBS Studio window.
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---------------------------------------
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.. function:: void *obs_frontend_get_main_window_handle(void)
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:return: The native window handle of the OBS Studio window.
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---------------------------------------
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.. function:: char **obs_frontend_get_scene_names(void)
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:return: The scene name list, ending with NULL. The list is stored
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within one contiguous segment of memory, so freeing the
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returned pointer with :c:func:`bfree()` will free the entire
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list.
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---------------------------------------
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.. function:: void obs_frontend_get_scenes(struct obs_frontend_source_list *sources)
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:param sources: Pointer to a :c:type:`obs_frontend_source_list`
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structure to receive the list of
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reference-incremented scenes. Release with
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:c:func:`obs_frontend_source_list_free`.
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---------------------------------------
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.. function:: obs_source_t *obs_frontend_get_current_scene(void)
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:return: A new reference to the currently active scene.
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---------------------------------------
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.. function:: void obs_frontend_set_current_scene(obs_source_t *scene)
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:param scene: The scene to set as the current scene.
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---------------------------------------
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.. function:: void obs_frontend_get_transitions(struct obs_frontend_source_list *sources)
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:param sources: Pointer to a :c:type:`obs_frontend_source_list`
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structure to receive the list of
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reference-incremented transitions. Release with
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:c:func:`obs_frontend_source_list_free`.
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---------------------------------------
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.. function:: obs_source_t *obs_frontend_get_current_transition(void)
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:return: A new reference to the currently active transition.
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---------------------------------------
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.. function:: void obs_frontend_set_current_transition(obs_source_t *transition)
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:param transition: The transition to set as the current transition.
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---------------------------------------
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.. function:: int obs_frontend_get_transition_duration(void)
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:return: The transition duration (in milliseconds) currently set in the UI.
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---------------------------------------
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.. function:: void obs_frontend_set_transition_duration(int duration)
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:param duration: Desired transition duration (in milliseconds)
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---------------------------------------
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.. function:: char **obs_frontend_get_scene_collections(void)
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:return: The list of profile names, ending with NULL. The list is
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stored within one contiguous segment of memory, so freeing
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the returned pointer with :c:func:`bfree()` will free the
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entire list.
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---------------------------------------
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.. function:: char *obs_frontend_get_current_scene_collection(void)
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:return: A new pointer to the current scene collection name. Free
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with :c:func:`bfree()`.
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---------------------------------------
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.. function:: void obs_frontend_set_current_scene_collection(const char *collection)
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:param profile: Name of the scene collection to activate.
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---------------------------------------
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.. function:: char **obs_frontend_get_profiles(void)
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:return: The list of profile names, ending with NULL. The list is
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stored within one contiguous segment of memory, so freeing
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the returned pointer with :c:func:`bfree()` will free the
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entire list.
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---------------------------------------
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.. function:: char *obs_frontend_get_current_profile(void)
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:return: A new pointer to the current profile name. Free with
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:c:func:`bfree()`.
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---------------------------------------
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.. function:: void obs_frontend_set_current_profile(const char *profile)
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:param profile: Name of the profile to activate.
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---------------------------------------
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.. function:: void obs_frontend_add_event_callback(obs_frontend_event_cb callback, void *private_data)
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Adds a callback that will be called when a frontend event occurs.
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See :c:type:`obs_frontend_event` on what sort of events can be
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triggered.
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:param callback: Callback to use when a frontend event occurs.
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:param private_data: Private data associated with the callback.
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---------------------------------------
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.. function:: void obs_frontend_remove_event_callback(obs_frontend_event_cb callback, void *private_data)
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Removes an event callback.
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:param callback: Callback to remove.
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:param private_data: Private data associated with the callback.
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---------------------------------------
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.. function:: void obs_frontend_add_save_callback(obs_frontend_save_cb callback, void *private_data)
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Adds a callback that will be called when the current scene collection
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is being saved/loaded.
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:param callback: Callback to use when saving/loading a scene
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collection.
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:param private_data: Private data associated with the callback.
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---------------------------------------
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.. function:: void obs_frontend_remove_save_callback(obs_frontend_save_cb callback, void *private_data)
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Removes a save/load callback.
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:param callback: Callback to remove.
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:param private_data: Private data associated with the callback.
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---------------------------------------
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.. function:: void obs_frontend_add_preload_callback(obs_frontend_save_cb callback, void *private_data)
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Adds a callback that will be called right before a scene collection
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is loaded. Useful if you
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:param callback: Callback to use when pre-loading.
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:param private_data: Private data associated with the callback.
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---------------------------------------
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.. function:: void obs_frontend_remove_preload_callback(obs_frontend_save_cb callback, void *private_data)
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Removes a pre-load callback.
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:param callback: Callback to remove.
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:param private_data: Private data associated with the callback.
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---------------------------------------
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.. function:: void obs_frontend_push_ui_translation(obs_frontend_translate_ui_cb translate)
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Pushes a UI translation callback. This allows a front-end plugin to
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intercept when Qt is automatically generating translating data.
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Typically this is just called with obs_module_get_string.
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:param translate: The translation callback to use.
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---------------------------------------
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.. function:: void obs_frontend_pop_ui_translation(void)
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Pops the current UI translation callback.
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---------------------------------------
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.. function:: void obs_frontend_streaming_start(void)
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Starts streaming.
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---------------------------------------
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.. function:: void obs_frontend_streaming_stop(void)
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Stops streaming.
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---------------------------------------
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.. function:: bool obs_frontend_streaming_active(void)
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:return: *true* if streaming active, *false* otherwise.
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---------------------------------------
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.. function:: void obs_frontend_recording_start(void)
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Starts recording.
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---------------------------------------
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.. function:: void obs_frontend_recording_stop(void)
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Stops recording.
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---------------------------------------
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.. function:: bool obs_frontend_recording_active(void)
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:return: *true* if recording active, *false* otherwise.
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---------------------------------------
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.. function:: void obs_frontend_replay_buffer_start(void)
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Starts replay buffer.
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---------------------------------------
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.. function:: void obs_frontend_replay_buffer_stop(void)
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Stops replay buffer.
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---------------------------------------
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.. function:: void obs_frontend_replay_buffer_save(void)
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Saves a replay if the replay buffer is active.
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---------------------------------------
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.. function:: bool obs_frontend_replay_buffer_active(void)
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:return: *true* if replay buffer active, *false* otherwise.
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---------------------------------------
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.. function:: void obs_frontend_save(void)
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Saves the current scene collection.
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---------------------------------------
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.. function:: obs_output_t *obs_frontend_get_streaming_output(void)
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:return: A new reference to the current streaming output.
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---------------------------------------
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.. function:: obs_output_t *obs_frontend_get_recording_output(void)
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:return: A new reference to the current srecording output.
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---------------------------------------
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.. function:: obs_output_t *obs_frontend_get_replay_buffer_output(void)
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:return: A new reference to the current replay buffer output.
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---------------------------------------
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.. function:: void obs_frontend_set_streaming_service(obs_service_t *service)
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Sets the current streaming service to stream with.
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:param service: The streaming service to set.
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---------------------------------------
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.. function:: obs_service_t *obs_frontend_get_streaming_service(void)
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:return: A new reference to the current streaming service object.
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---------------------------------------
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.. function:: void obs_frontend_save_streaming_service(void)
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Saves the current streaming service data.
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---------------------------------------
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.. function:: bool obs_frontend_preview_program_mode_active(void)
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:return: *true* if studio mode is active, *false* otherwise.
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---------------------------------------
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.. function:: void obs_frontend_set_preview_program_mode(bool enable)
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Activates/deactivates studio mode.
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:param enable: *true* to activate studio mode, *false* to deactivate
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studio mode.
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---------------------------------------
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.. function:: void obs_frontend_preview_program_trigger_transition(void)
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Triggers a preview-to-program transition if studio mode is active.
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---------------------------------------
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.. function:: obs_source_t *obs_frontend_get_current_preview_scene(void)
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:return: A new reference to the current preview scene if studio mode
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is active, or the current scene if studio mode is not
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active.
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---------------------------------------
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.. function:: void obs_frontend_set_current_preview_scene(obs_source_t *scene)
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Sets the current preview scene in studio mode, or the currently
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active scene if not in studio mode.
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:param scene: The scene to set as the current preview.
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