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sdl: lock YUV overlay before clearing

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The pixels pointer is not valid otherwise and leads to a segfault.
This commit is contained in:
jSTE0 2022-02-28 23:00:22 +00:00
parent a8b4c53d77
commit 66ef1764f0
1 changed files with 3 additions and 1 deletions
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4
plat_sdl.c
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@ -101,11 +101,13 @@ int plat_sdl_change_video_mode(int w, int h, int force)
|| plat_target.vout_method == vout_mode_overlay2x) { || plat_target.vout_method == vout_mode_overlay2x) {
int W = plat_target.vout_method == vout_mode_overlay2x && w == 320 ? 2*w : w; 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); 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) if ((long)plat_sdl_overlay->pixels[0] & 3)
fprintf(stderr, "warning: overlay pointer is unaligned\n"); fprintf(stderr, "warning: overlay pointer is unaligned\n");
plat_sdl_overlay_clear(); plat_sdl_overlay_clear();
SDL_UnlockYUVOverlay(plat_sdl_overlay);
} }
else { else {
fprintf(stderr, "warning: could not create overlay.\n"); fprintf(stderr, "warning: could not create overlay.\n");