From 7b203e240749adb76a38efa7e10fe48d944741a1 Mon Sep 17 00:00:00 2001
From: Exeldro <exelsor@hotmail.com>
Date: Sat, 13 Feb 2021 14:52:54 +0100
Subject: [PATCH] fix null reference on creating new move source

---
 CMakeLists.txt       |  2 +-
 move-source-filter.c | 64 +++++++++++++++++++-------------------------
 2 files changed, 28 insertions(+), 38 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f048890..26986f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-project(move-transition VERSION 2.3.3)
+project(move-transition VERSION 2.3.4)
 set(PROJECT_FULL_NAME "Move Transition")
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/version.h.in ${CMAKE_CURRENT_SOURCE_DIR}/version.h)
diff --git a/move-source-filter.c b/move-source-filter.c
index f1d2fe6..dde4632 100644
--- a/move-source-filter.c
+++ b/move-source-filter.c
@@ -563,32 +563,28 @@ void move_source_source_remove(void *data, calldata_t *call_data)
 	UNUSED_PARAMETER(call_data);
 }
 
-void move_source_source_changed(struct move_source_info *move_source, const char *source_name)
+void move_source_source_changed(struct move_source_info *move_source,
+				const char *source_name)
 {
 
 	obs_source_t *source =
-		move_source->source_name &&
-		strlen(move_source->source_name)
-			? obs_get_source_by_name(
-				move_source->source_name)
+		move_source->source_name && strlen(move_source->source_name)
+			? obs_get_source_by_name(move_source->source_name)
 			: NULL;
 	if (source) {
-		signal_handler_t *sh =
-			obs_source_get_signal_handler(source);
+		signal_handler_t *sh = obs_source_get_signal_handler(source);
 		if (sh) {
-			signal_handler_disconnect(
-				sh, "activate",
+			signal_handler_disconnect(sh, "activate",
 						  move_source_source_activate,
 						  move_source);
-			signal_handler_disconnect(
-				sh, "deactivate",
+			signal_handler_disconnect(sh, "deactivate",
 						  move_source_source_deactivate,
 						  move_source);
-			signal_handler_disconnect(
-				sh, "show", move_source_source_show,
+			signal_handler_disconnect(sh, "show",
+						  move_source_source_show,
 						  move_source);
-			signal_handler_disconnect(
-				sh, "hide", move_source_source_hide,
+			signal_handler_disconnect(sh, "hide",
+						  move_source_source_hide,
 						  move_source);
 			signal_handler_disconnect(
 				sh, "media_started",
@@ -596,8 +592,8 @@ void move_source_source_changed(struct move_source_info *move_source, const char
 			signal_handler_disconnect(
 				sh, "media_ended",
 				move_source_source_media_ended, move_source);
-			signal_handler_disconnect(
-				sh, "remove", move_source_source_remove,
+			signal_handler_disconnect(sh, "remove",
+						  move_source_source_remove,
 						  move_source);
 		}
 		obs_source_release(source);
@@ -608,33 +604,28 @@ void move_source_source_changed(struct move_source_info *move_source, const char
 
 	source = obs_get_source_by_name(source_name);
 	if (source) {
-		signal_handler_t *sh =
-			obs_source_get_signal_handler(source);
+		signal_handler_t *sh = obs_source_get_signal_handler(source);
 		if (sh) {
-			signal_handler_connect(
-				sh, "activate",
+			signal_handler_connect(sh, "activate",
 					       move_source_source_activate,
 					       move_source);
-			signal_handler_connect(
-				sh, "deactivate",
+			signal_handler_connect(sh, "deactivate",
 					       move_source_source_deactivate,
 					       move_source);
 			signal_handler_connect(sh, "show",
-			                       move_source_source_show,
+					       move_source_source_show,
 					       move_source);
 			signal_handler_connect(sh, "hide",
-			                       move_source_source_hide,
+					       move_source_source_hide,
 					       move_source);
-			signal_handler_connect(
-				sh, "media_started",
+			signal_handler_connect(sh, "media_started",
 					       move_source_source_media_started,
 					       move_source);
-			signal_handler_connect(
-				sh, "media_ended",
+			signal_handler_connect(sh, "media_ended",
 					       move_source_source_media_ended,
 					       move_source);
-			signal_handler_connect(
-				sh, "remove", move_source_source_remove,
+			signal_handler_connect(sh, "remove",
+					       move_source_source_remove,
 					       move_source);
 
 			move_source->source_name = bstrdup(source_name);
@@ -644,12 +635,11 @@ void move_source_source_changed(struct move_source_info *move_source, const char
 	move_source->scene_item = NULL;
 	obs_source_t *parent = obs_filter_get_parent(move_source->source);
 	if (parent) {
-		signal_handler_t *sh =
-			obs_source_get_signal_handler(parent);
+		signal_handler_t *sh = obs_source_get_signal_handler(parent);
 		if (sh)
-			signal_handler_disconnect(
-				sh, "item_remove",
-				move_source_item_remove, move_source);
+			signal_handler_disconnect(sh, "item_remove",
+						  move_source_item_remove,
+						  move_source);
 	}
 	obs_scene_t *scene = obs_scene_from_source(parent);
 	if (move_source->source_name && scene)
@@ -1023,7 +1013,7 @@ bool move_source_changed(void *data, obs_properties_t *props,
 				source, prop_list_add_move_source_filter, p);
 	}
 
-	obs_source_t *source = obs_get_source_by_name(move_source->source_name);
+	obs_source_t *source = obs_get_source_by_name(source_name);
 	if (source) {
 		uint32_t flags = obs_source_get_output_flags(source);
 		const bool media = flags & OBS_SOURCE_CONTROLLABLE_MEDIA;