Refactor intra predictor block

Remove vp9_intra4x4_predict(). Use the common intra prediction
function for all block sizes.

Change-Id: Ibd19d51dfa3da8bbdfb79ddeb81530b2e2089560

vp9/common/vp9_reconintra.c

@@ -317,12 +317,3 @@ void vp9_predict_intra_block(MACROBLOCKD *xd,
                              have_top, have_left,
                              have_right);
 }
-
-void vp9_intra4x4_predict(MACROBLOCKD *xd,
-                          int block_idx,
-                          BLOCK_SIZE_TYPE bsize,
-                          int mode,
-                          uint8_t *predictor, int pre_stride) {
-  vp9_predict_intra_block(xd, block_idx, b_width_log2(bsize), TX_4X4,
-                          mode, predictor, pre_stride);
-}

vp9/common/vp9_rtcd_defs.sh

@@ -57,9 +57,6 @@ specialize vp9_copy_mem8x4 mmx
 prototype void vp9_build_intra_predictors "uint8_t *src, int src_stride, uint8_t *pred, int y_stride, int mode, int bw, int bh, int up_available, int left_available, int right_available"
 specialize void vp9_build_intra_predictors
 
-prototype void vp9_intra4x4_predict "struct macroblockd *xd, int block, enum BLOCK_SIZE_TYPE bsize, int b_mode, uint8_t *predictor, int pre_stride"
-specialize vp9_intra4x4_predict;
-
 if [ "$CONFIG_VP9_DECODER" = "yes" ]; then
 prototype void vp9_add_constant_residual_8x8 "const int16_t diff, uint8_t *dest, int stride"
 specialize vp9_add_constant_residual_8x8 sse2

vp9/encoder/vp9_rdopt.c

@@ -685,8 +685,8 @@ static int64_t rd_pick_intra4x4block(VP9_COMP *cpi, MACROBLOCK *x, int ib,
         dst = raster_block_offset_uint8(xd, BLOCK_SIZE_SB8X8, 0, block,
                                         xd->plane[0].dst.buf,
                                         xd->plane[0].dst.stride);
-        vp9_intra4x4_predict(xd, block, BLOCK_SIZE_SB8X8, mode,
-                             dst, xd->plane[0].dst.stride);
+        vp9_predict_intra_block(xd, block, b_width_log2(BLOCK_SIZE_SB8X8),
+                                TX_4X4, mode, dst, xd->plane[0].dst.stride);
         vp9_subtract_block(4, 4, src_diff, 8,
                            src, src_stride,
                            dst, xd->plane[0].dst.stride);
@@ -745,8 +745,8 @@ static int64_t rd_pick_intra4x4block(VP9_COMP *cpi, MACROBLOCK *x, int ib,
                                       xd->plane[0].dst.buf,
                                       xd->plane[0].dst.stride);
 
-      vp9_intra4x4_predict(xd, block, BLOCK_SIZE_SB8X8, *best_mode,
-                           dst, xd->plane[0].dst.stride);
+      vp9_predict_intra_block(xd, block, b_width_log2(BLOCK_SIZE_SB8X8), TX_4X4,
+                              *best_mode, dst, xd->plane[0].dst.stride);
       // inverse transform
       if (best_tx_type != DCT_DCT)
         vp9_short_iht4x4_add(best_dqcoeff[idy * 2 + idx], dst,