Clip editor: Fixes for prefetch

Seems metadata was never read while prefetching, at least was
never requested to be read.

Also fixed prefetch for multilayer EXR.

1 files changed, 5 insertions, 1 deletions

diff --git a/source/blender/editors/space_clip/clip_editor.c b/source/blender/editors/space_clip/clip_editor.c
index 24103ed9054..c8694647d9d 100644
--- a/source/blender/editors/space_clip/clip_editor.c
+++ b/source/blender/editors/space_clip/clip_editor.c
@@ -773,7 +773,7 @@ static void prefetch_task_func(TaskPool * __restrict pool, void *task_data, int
 	while ((mem = prefetch_thread_next_frame(queue, clip, &size, &current_frame))) {
 		ImBuf *ibuf;
 		MovieClipUser user = {0};
-		int flag = IB_rect | IB_alphamode_detect;
+		int flag = IB_rect | IB_multilayer | IB_alphamode_detect | IB_metadata;
 		int result;
 		char *colorspace_name = NULL;
 		const bool use_proxy = (clip->flag & MCLIP_USE_PROXY) &&
@@ -789,6 +789,10 @@ static void prefetch_task_func(TaskPool * __restrict pool, void *task_data, int
 		}
 
 		ibuf = IMB_ibImageFromMemory(mem, size, flag, colorspace_name, "prefetch frame");
+		if (ibuf == NULL) {
+			continue;
+		}
+		BKE_movieclip_convert_multilayer_ibuf(ibuf);
 
 		result = BKE_movieclip_put_frame_if_possible(clip, &user, ibuf);