frontend, obs-filters: Add missing file support for filters

frontend/widgets/OBSBasic_SceneCollections.cpp

@@ -1157,15 +1157,28 @@ void OBSBasic::Load(SceneCollection &collection)
 	LoadData(data, collection);
 }
 
-static inline void AddMissingFiles(void *data, obs_source_t *source)
+namespace {
+void addMissingFilterFiles(obs_source_t *, obs_source_t *filter, void *data)
 {
-	obs_missing_files_t *f = (obs_missing_files_t *)data;
-	obs_missing_files_t *sf = obs_source_get_missing_files(source);
+	obs_missing_files_t *missing_files = static_cast<obs_missing_files_t *>(data);
+	obs_missing_files_t *filter_missing_files = obs_source_get_missing_files(filter);
 
-	obs_missing_files_append(f, sf);
-	obs_missing_files_destroy(sf);
+	obs_missing_files_append(missing_files, filter_missing_files);
+	obs_missing_files_destroy(filter_missing_files);
 }
 
+void addMissingFiles(void *data, obs_source_t *source)
+{
+	obs_missing_files_t *missing_files = static_cast<obs_missing_files_t *>(data);
+	obs_missing_files_t *source_missing_files = obs_source_get_missing_files(source);
+
+	obs_missing_files_append(missing_files, source_missing_files);
+	obs_missing_files_destroy(source_missing_files);
+
+	obs_source_enum_filters(source, addMissingFilterFiles, data);
+}
+} // namespace
+
 void OBSBasic::LoadData(obs_data_t *data, SceneCollection &collection)
 {
 	ClearSceneData();
@@ -1317,12 +1330,12 @@ void OBSBasic::LoadData(obs_data_t *data, SceneCollection &collection)
 	updateRemigrationMenuItem(collection.getCoordinateMode(), ui->actionRemigrateSceneCollection);
 
 	obs_missing_files_t *files = obs_missing_files_create();
-	obs_load_sources(sources, AddMissingFiles, files);
+	obs_load_sources(sources, addMissingFiles, files);
 
 	if (resetVideo)
 		ResetVideo();
 	if (transitionsData)
-		LoadTransitions(transitionsData, AddMissingFiles, files);
+		LoadTransitions(transitionsData, addMissingFiles, files);
 	if (sceneOrder)
 		LoadSceneListOrder(sceneOrder);
 
@@ -1651,7 +1664,7 @@ void OBSBasic::on_actionShowMissingFiles_triggered()
 	obs_missing_files_t *files = obs_missing_files_create();
 
 	auto cb_sources = [](void *data, obs_source_t *source) {
-		AddMissingFiles(data, source);
+		addMissingFiles(data, source);
 		return true;
 	};
 

plugins/obs-filters/color-grade-filter.c

@@ -465,6 +465,34 @@ static enum gs_color_space color_grade_filter_get_color_space(void *data, size_t
 	return source_space;
 }
 
+static void missing_file_callback(void *src, const char *new_path, void *data)
+{
+	struct lut_filter_data *filter = src;
+
+	obs_source_t *source = filter->context;
+	obs_data_t *settings = obs_source_get_settings(source);
+	obs_data_set_string(settings, SETTING_IMAGE_PATH, new_path);
+	obs_source_update(source, settings);
+	obs_data_release(settings);
+
+	UNUSED_PARAMETER(data);
+}
+
+static obs_missing_files_t *color_grade_filter_missing_files(void *data)
+{
+	struct lut_filter_data *filter = data;
+	obs_missing_files_t *files = obs_missing_files_create();
+
+	if (filter->file && strcmp(filter->file, "") != 0 && !os_file_exists(filter->file)) {
+		obs_missing_file_t *file = obs_missing_file_create(filter->file, missing_file_callback,
+								   OBS_MISSING_FILE_SOURCE, filter->context, NULL);
+
+		obs_missing_files_add_file(files, file);
+	}
+
+	return files;
+}
+
 struct obs_source_info color_grade_filter = {
 	.id = "clut_filter",
 	.type = OBS_SOURCE_TYPE_FILTER,
@@ -477,4 +505,5 @@ struct obs_source_info color_grade_filter = {
 	.get_properties = color_grade_filter_properties,
 	.video_render = color_grade_filter_render,
 	.video_get_color_space = color_grade_filter_get_color_space,
+	.missing_files = color_grade_filter_missing_files,
 };

plugins/obs-filters/mask-filter.c

@@ -343,6 +343,34 @@ static enum gs_color_space mask_filter_get_color_space(void *data, size_t count,
 	return source_space;
 }
 
+static void missing_file_callback(void *src, const char *new_path, void *data)
+{
+	struct mask_filter_data *filter = src;
+
+	obs_source_t *source = filter->context;
+	obs_data_t *settings = obs_source_get_settings(source);
+	obs_data_set_string(settings, SETTING_IMAGE_PATH, new_path);
+	obs_source_update(source, settings);
+	obs_data_release(settings);
+
+	UNUSED_PARAMETER(data);
+}
+
+static obs_missing_files_t *mask_filter_missing_files(void *data)
+{
+	struct mask_filter_data *filter = data;
+	obs_missing_files_t *files = obs_missing_files_create();
+
+	if (filter->image_file && strcmp(filter->image_file, "") != 0 && !os_file_exists(filter->image_file)) {
+		obs_missing_file_t *file = obs_missing_file_create(filter->image_file, missing_file_callback,
+								   OBS_MISSING_FILE_SOURCE, filter->context, NULL);
+
+		obs_missing_files_add_file(files, file);
+	}
+
+	return files;
+}
+
 struct obs_source_info mask_filter = {
 	.id = "mask_filter",
 	.type = OBS_SOURCE_TYPE_FILTER,
@@ -355,6 +383,7 @@ struct obs_source_info mask_filter = {
 	.get_properties = mask_filter_properties_v1,
 	.video_tick = mask_filter_tick,
 	.video_render = mask_filter_render,
+	.missing_files = mask_filter_missing_files,
 };
 
 struct obs_source_info mask_filter_v2 = {
@@ -371,4 +400,5 @@ struct obs_source_info mask_filter_v2 = {
 	.video_tick = mask_filter_tick,
 	.video_render = mask_filter_render,
 	.video_get_color_space = mask_filter_get_color_space,
+	.missing_files = mask_filter_missing_files,
 };