X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=plat_sdl.c;h=530a9d76d6941b74c04d0cb996e645ac3b3a1a25;hb=7167e5f3376f0d0692ae102ed2df1ef5d2cc199a;hp=6a86d1d073e3dbc292a79be7b3f15ec18fefdd7f;hpb=cfb49ab9095bcfda705cd685d36ef4b4df6ea96e;p=libpicofe.git

diff --git a/plat_sdl.c b/plat_sdl.c
index 6a86d1d..530a9d7 100644
--- a/plat_sdl.c
+++ b/plat_sdl.c
@@ -101,11 +101,13 @@ int plat_sdl_change_video_mode(int w, int h, int force)
       || plat_target.vout_method == vout_mode_overlay2x) {
     int W = plat_target.vout_method == vout_mode_overlay2x && w == 320 ? 2*w : w;
     plat_sdl_overlay = SDL_CreateYUVOverlay(W, h, SDL_UYVY_OVERLAY, plat_sdl_screen);
-    if (plat_sdl_overlay != NULL) {
+    if (plat_sdl_overlay != NULL && SDL_LockYUVOverlay(plat_sdl_overlay) == 0) {
       if ((long)plat_sdl_overlay->pixels[0] & 3)
         fprintf(stderr, "warning: overlay pointer is unaligned\n");
 
       plat_sdl_overlay_clear();
+
+      SDL_UnlockYUVOverlay(plat_sdl_overlay);
     }
     else {
       fprintf(stderr, "warning: could not create overlay.\n");