Fix out-of-bound access in filter intra

BUG=aomedia:427 Change-Id: Ic7b0f6850d7685f4aff0e51154f8777c9ef72c17

Fix out-of-bound access in filter intra
BUG=aomedia:427 Change-Id: Ic7b0f6850d7685f4aff0e51154f8777c9ef72c17
4330e1bd · Jingning Han · b1cc1f9d · 4330e1bd
Commit 4330e1bd authored Apr 11, 2017 by Jingning Han
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av1/encoder/rdopt.c av1/encoder/rdopt.c +2 -1

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--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -9401,7 +9401,8 @@ static void pick_filter_intra_interframe(
  rate2 = rate_y + intra_mode_cost[mbmi->mode] + rate_uv +
          cpi->intra_uv_mode_cost[mbmi->mode][mbmi->uv_mode];
 #if CONFIG_PALETTE
-  if (cpi->common.allow_screen_content_tools && mbmi->mode == DC_PRED)
+  if (cpi->common.allow_screen_content_tools && mbmi->mode == DC_PRED &&
+      bsize >= BLOCK_8X8)
    rate2 += av1_cost_bit(
        av1_default_palette_y_mode_prob[bsize - BLOCK_8X8][palette_ctx], 0);
 #endif  // CONFIG_PALETTE