--- a/libavcodec/libzvbi-teletextdec.c        2017-02-20 06:19:29.168609733 +0100
+++ b/libavcodec/libzvbi-teletextdec.c    2017-02-20 20:01:26.248132241 +0100
@@ -30,7 +30,7 @@
 #include <libzvbi.h>

 #define TEXT_MAXSZ    (25 * (56 + 1) * 4 + 2)
-#define VBI_NB_COLORS 40
+#define VBI_NB_COLORS 12
 #define VBI_TRANSPARENT_BLACK 8
 #define RGBA(r,g,b,a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 #define VBI_R(rgba)   (((rgba) >> 0) & 0xFF)
@@ -255,6 +255,7 @@
     sub_rect->w = resx;
     sub_rect->h = resy;
     sub_rect->nb_colors = ctx->opacity > 0 && ctx->opacity < 255 ? 2 * VBI_NB_COLORS : VBI_NB_COLORS;
+    sub_rect->nb_colors = 16;
     sub_rect->data[1] = av_mallocz(AVPALETTE_SIZE);
     if (!sub_rect->data[1]) {
         av_freep(&sub_rect->data[0]);
@@ -267,7 +268,7 @@
         g = VBI_G(page->color_map[ci]);
         b = VBI_B(page->color_map[ci]);
         a = VBI_A(page->color_map[ci]);
-        ((uint32_t *)sub_rect->data[1])[ci] = RGBA(r, g, b, a);
+//        ((uint32_t *)sub_rect->data[1])[ci] = RGBA(r, g, b, a);
         ((uint32_t *)sub_rect->data[1])[ci + VBI_NB_COLORS] = RGBA(r, g, b, ctx->opacity);
         ff_dlog(ctx, "palette %0x\n", ((uint32_t *)sub_rect->data[1])[ci]);
     }