libobs: Add *_create_private functions

Allows creation of private/unlisted sources/outputs/services/encoders

libobs/obs-internal.h

@@ -633,7 +633,7 @@ struct obs_source {
 extern const struct obs_source_info *get_source_info(const char *id);
 extern bool obs_source_init_context(struct obs_source *source,
 		obs_data_t *settings, const char *name,
-		obs_data_t *hotkey_data);
+		obs_data_t *hotkey_data, bool private);
 
 extern void obs_source_save(obs_source_t *source);
 extern void obs_source_load(obs_source_t *source);
@@ -660,7 +660,7 @@ static inline void obs_source_dosignal(struct obs_source *source,
 
 	calldata_init(&data);
 	calldata_set_ptr(&data, "source", source);
-	if (signal_obs)
+	if (signal_obs && !source->context.private)
 		signal_handler_signal(obs->signals, signal_obs, &data);
 	if (signal_source)
 		signal_handler_signal(source->context.signals, signal_source,

libobs/obs-source.c

@@ -76,10 +76,11 @@ static const char *source_signals[] = {
 };
 
 bool obs_source_init_context(struct obs_source *source,
-		obs_data_t *settings, const char *name, obs_data_t *hotkey_data)
+		obs_data_t *settings, const char *name, obs_data_t *hotkey_data,
+		bool private)
 {
 	if (!obs_context_data_init(&source->context, settings, name,
-				hotkey_data, false))
+				hotkey_data, private))
 		return false;
 
 	return signal_handler_add_array(source->context.signals,
@@ -275,8 +276,9 @@ static void obs_source_init_audio_hotkeys(struct obs_source *source)
 			obs_source_hotkey_push_to_talk, source);
 }
 
-obs_source_t *obs_source_create(const char *id, const char *name,
-		obs_data_t *settings, obs_data_t *hotkey_data)
+static obs_source_t *obs_source_create_internal(const char *id,
+		const char *name, obs_data_t *settings,
+		obs_data_t *hotkey_data, bool private)
 {
 	struct obs_source *source = bzalloc(sizeof(struct obs_source));
 
@@ -294,7 +296,8 @@ obs_source_t *obs_source_create(const char *id, const char *name,
 	source->push_to_mute_key = OBS_INVALID_HOTKEY_ID;
 	source->push_to_talk_key = OBS_INVALID_HOTKEY_ID;
 
-	if (!obs_source_init_context(source, settings, name, hotkey_data))
+	if (!obs_source_init_context(source, settings, name, hotkey_data,
+				private))
 		goto fail;
 
 	if (info && info->get_defaults)
@@ -303,7 +306,8 @@ obs_source_t *obs_source_create(const char *id, const char *name,
 	if (!obs_source_init(source))
 		goto fail;
 
-	obs_source_init_audio_hotkeys(source);
+	if (!private)
+		obs_source_init_audio_hotkeys(source);
 
 	/* allow the source to be created even if creation fails so that the
 	 * user's data doesn't become lost */
@@ -313,7 +317,8 @@ obs_source_t *obs_source_create(const char *id, const char *name,
 	if (!source->context.data)
 		blog(LOG_ERROR, "Failed to create source '%s'!", name);
 
-	blog(LOG_INFO, "source '%s' (%s) created", name, id);
+	blog(private ? LOG_DEBUG : LOG_INFO, "%ssource '%s' (%s) created",
+			private ? "private " : "", name, id);
 	obs_source_dosignal(source, "source_create", NULL);
 
 	source->flags = source->default_flags;
@@ -326,6 +331,19 @@ fail:
 	return NULL;
 }
 
+obs_source_t *obs_source_create(const char *id, const char *name,
+		obs_data_t *settings, obs_data_t *hotkey_data)
+{
+	return obs_source_create_internal(id, name, settings, hotkey_data,
+			false);
+}
+
+obs_source_t *obs_source_create_private(const char *id, const char *name,
+		obs_data_t *settings)
+{
+	return obs_source_create_internal(id, name, settings, NULL, true);
+}
+
 void obs_source_frame_init(struct obs_source_frame *frame,
 		enum video_format format, uint32_t width, uint32_t height)
 {
@@ -381,7 +399,10 @@ void obs_source_destroy(struct obs_source *source)
 
 	obs_context_data_remove(&source->context);
 
-	blog(LOG_INFO, "source '%s' destroyed", source->context.name);
+	blog(source->context.private ? LOG_DEBUG : LOG_INFO,
+			"%ssource '%s' destroyed",
+			source->context.private ? "private " : "",
+			source->context.name);
 
 	obs_source_dosignal(source, "source_destroy", "destroy");
 
@@ -2453,7 +2474,9 @@ void obs_source_set_name(obs_source_t *source, const char *name)
 		calldata_set_ptr(&data, "source", source);
 		calldata_set_string(&data, "new_name", source->context.name);
 		calldata_set_string(&data, "prev_name", prev_name);
-		signal_handler_signal(obs->signals, "source_rename", &data);
+		if (!source->context.private)
+			signal_handler_signal(obs->signals, "source_rename",
+					&data);
 		signal_handler_signal(source->context.signals, "rename", &data);
 		calldata_free(&data);
 		bfree(prev_name);
@@ -2662,7 +2685,9 @@ void obs_source_set_volume(obs_source_t *source, float volume)
 		calldata_set_float(&data, "volume", volume);
 
 		signal_handler_signal(source->context.signals, "volume", &data);
-		signal_handler_signal(obs->signals, "source_volume", &data);
+		if (!source->context.private)
+			signal_handler_signal(obs->signals, "source_volume",
+					&data);
 
 		volume = (float)calldata_float(&data, "volume");
 		calldata_free(&data);

libobs/obs.h

@@ -648,6 +648,8 @@ EXPORT const char *obs_source_get_display_name(const char *id);
 EXPORT obs_source_t *obs_source_create(const char *id, const char *name,
 		obs_data_t *settings, obs_data_t *hotkey_data);
 
+EXPORT obs_source_t *obs_source_create_private(const char *id,
+		const char *name, obs_data_t *settings);
 /**
  * Adds/releases a reference to a source.  When the last reference is
  * released, the source is destroyed.