libobs: Correctly set texture size

Correctly set texture size according to the frame to be rendered this time.
Fixes the mismatch between frame and texture when async-delay-filter on.

libobs/obs-internal.h

@@ -744,7 +744,6 @@ struct obs_source {
 	bool async_flip;
 	bool async_linear_alpha;
 	bool async_active;
-	bool async_update_texture;
 	bool async_unbuffered;
 	bool async_decoupled;
 	struct obs_source_frame *async_preload_frame;

libobs/obs-source.c

@@ -1206,10 +1206,6 @@ static void async_tick(obs_source_t *source)
 
 	source->last_sys_timestamp = sys_time;
 	pthread_mutex_unlock(&source->async_mutex);
-
-	if (source->cur_async_frame)
-		source->async_update_texture =
-			set_async_texture_size(source, source->cur_async_frame);
 }
 
 void obs_source_video_tick(obs_source_t *source, float seconds)
@@ -1975,9 +1971,6 @@ static inline bool init_gpu_conversion(struct obs_source *source,
 bool set_async_texture_size(struct obs_source *source,
 			    const struct obs_source_frame *frame)
 {
-	enum convert_type cur =
-		get_convert_type(frame->format, frame->full_range, frame->trc);
-
 	if (source->async_width == frame->width &&
 	    source->async_height == frame->height &&
 	    source->async_format == frame->format &&
@@ -2007,7 +2000,9 @@ bool set_async_texture_size(struct obs_source *source,
 
 	const enum gs_color_format format =
 		convert_video_format(frame->format, frame->trc);
-	const bool async_gpu_conversion = (cur != CONVERT_NONE) &&
+	const enum convert_type type =
+		get_convert_type(frame->format, frame->full_range, frame->trc);
+	const bool async_gpu_conversion = (type != CONVERT_NONE) &&
 					  init_gpu_conversion(source, frame);
 	source->async_gpu_conversion = async_gpu_conversion;
 	if (async_gpu_conversion) {
@@ -2382,6 +2377,9 @@ static void obs_source_update_async_video(obs_source_t *source)
 
 		source->async_rendered = true;
 		if (frame) {
+			const bool async_update_texture =
+				set_async_texture_size(source, frame);
+
 			check_to_swap_bgrx_bgra(source, frame);
 
 			if (!source->async_decoupled ||
@@ -2391,11 +2389,10 @@ static void obs_source_update_async_video(obs_source_t *source)
 				source->timing_set = true;
 			}
 
-			if (source->async_update_texture) {
+			if (async_update_texture) {
 				update_async_textures(source, frame,
 						      source->async_textures,
 						      source->async_texrender);
-				source->async_update_texture = false;
 			}
 
 			obs_source_release_frame(source, frame);