From: Ronald S. Bultje <rbultje@google.com>
Date: Wed, 10 Apr 2013 23:50:01 +0000 (-0700)
Subject: Make usage of sb_type independent of literal values.
X-Git-Tag: v1.3.0~1106^2~283
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8fb5be48a600bc75ee0e0b720c3ffe680d11db53;p=platform%2Fupstream%2Flibvpx.git

Make usage of sb_type independent of literal values.

Change-Id: I0d12f9ef9d960df0172a1377f8e5236eb6d90492
---

diff --git a/vp9/common/vp9_findnearmv.c b/vp9/common/vp9_findnearmv.c
index f6d6932..0538958 100644
--- a/vp9/common/vp9_findnearmv.c
+++ b/vp9/common/vp9_findnearmv.c
@@ -197,12 +197,13 @@ void vp9_find_best_ref_mvs(MACROBLOCKD *xd,
 #else
       if (xd->up_available && xd->left_available) {
 #endif
+        const int bwl = mb_width_log2(xd->mode_info_context->mbmi.sb_type);
         vp9_sub_pixel_variance16x2(above_ref + offset, ref_y_stride,
                                    SP(this_mv.as_mv.col),
                                    SP(this_mv.as_mv.row),
                                    above_src, xd->dst.y_stride, &sse);
         score += sse;
-        if (xd->mode_info_context->mbmi.sb_type >= BLOCK_SIZE_SB32X32) {
+        if (bwl >= 1) {
           vp9_sub_pixel_variance16x2(above_ref + offset + 16,
                                      ref_y_stride,
                                      SP(this_mv.as_mv.col),
@@ -210,7 +211,7 @@ void vp9_find_best_ref_mvs(MACROBLOCKD *xd,
                                      above_src + 16, xd->dst.y_stride, &sse);
           score += sse;
         }
-        if (xd->mode_info_context->mbmi.sb_type >= BLOCK_SIZE_SB64X64) {
+        if (bwl >= 2) {
           vp9_sub_pixel_variance16x2(above_ref + offset + 32,
                                      ref_y_stride,
                                      SP(this_mv.as_mv.col),
@@ -227,12 +228,13 @@ void vp9_find_best_ref_mvs(MACROBLOCKD *xd,
       }
 #if !CONFIG_ABOVESPREFMV
       if (xd->left_available) {
+        const int bhl = mb_height_log2(xd->mode_info_context->mbmi.sb_type);
         vp9_sub_pixel_variance2x16_c(left_ref + offset, ref_y_stride,
                                      SP(this_mv.as_mv.col),
                                      SP(this_mv.as_mv.row),
                                      left_src, xd->dst.y_stride, &sse);
         score += sse;
-        if (xd->mode_info_context->mbmi.sb_type >= BLOCK_SIZE_SB32X32) {
+        if (bhl >= 1) {
           vp9_sub_pixel_variance2x16_c(left_ref + offset + ref_y_stride * 16,
                                        ref_y_stride,
                                        SP(this_mv.as_mv.col),
@@ -241,7 +243,7 @@ void vp9_find_best_ref_mvs(MACROBLOCKD *xd,
                                        xd->dst.y_stride, &sse);
           score += sse;
         }
-        if (xd->mode_info_context->mbmi.sb_type >= BLOCK_SIZE_SB64X64) {
+        if (bhl >= 2) {
           vp9_sub_pixel_variance2x16_c(left_ref + offset + ref_y_stride * 32,
                                      ref_y_stride,
                                        SP(this_mv.as_mv.col),
diff --git a/vp9/common/vp9_mvref_common.c b/vp9/common/vp9_mvref_common.c
index 8d376ad..e1a12e4 100644
--- a/vp9/common/vp9_mvref_common.c
+++ b/vp9/common/vp9_mvref_common.c
@@ -262,7 +262,7 @@ void vp9_find_mv_refs(VP9_COMMON *cm, MACROBLOCKD *xd, MODE_INFO *here,
   if (mbmi->sb_type == BLOCK_SIZE_SB64X64) {
     mv_ref_search = sb64_mv_ref_search;
     ref_distance_weight = sb64_ref_distance_weight;
-  } else if (mbmi->sb_type == BLOCK_SIZE_SB32X32) {
+  } else if (mbmi->sb_type >= BLOCK_SIZE_SB32X32) {
     mv_ref_search = sb_mv_ref_search;
     ref_distance_weight = sb_ref_distance_weight;
   } else {
diff --git a/vp9/common/vp9_pred_common.c b/vp9/common/vp9_pred_common.c
index 9fe66fc..ffdfa67 100644
--- a/vp9/common/vp9_pred_common.c
+++ b/vp9/common/vp9_pred_common.c
@@ -179,54 +179,37 @@ void vp9_set_pred_flag(MACROBLOCKD *const xd,
                        PRED_ID pred_id,
                        unsigned char pred_flag) {
   const int mis = xd->mode_info_stride;
+  BLOCK_SIZE_TYPE bsize = xd->mode_info_context->mbmi.sb_type;
+  const int bh = 1 << mb_height_log2(bsize);
+  const int bw = 1 << mb_width_log2(bsize);
+#define sub(a, b) (b) < 0 ? (a) + (b) : (a)
+  const int x_mbs = sub(bw, xd->mb_to_right_edge >> 7);
+  const int y_mbs = sub(bh, xd->mb_to_bottom_edge >> 7);
+#undef sub
+  int x, y;
 
   switch (pred_id) {
     case PRED_SEG_ID:
-      xd->mode_info_context->mbmi.seg_id_predicted = pred_flag;
-      if (xd->mode_info_context->mbmi.sb_type) {
-#define sub(a, b) (b) < 0 ? (a) + (b) : (a)
-        const int n_mbs = 1 << xd->mode_info_context->mbmi.sb_type;
-        const int x_mbs = sub(n_mbs, xd->mb_to_right_edge >> 7);
-        const int y_mbs = sub(n_mbs, xd->mb_to_bottom_edge >> 7);
-        int x, y;
-
-        for (y = 0; y < y_mbs; y++) {
-          for (x = !y; x < x_mbs; x++) {
-            xd->mode_info_context[y * mis + x].mbmi.seg_id_predicted =
-                pred_flag;
-          }
+      for (y = 0; y < y_mbs; y++) {
+        for (x = 0; x < x_mbs; x++) {
+          xd->mode_info_context[y * mis + x].mbmi.seg_id_predicted =
+              pred_flag;
         }
       }
       break;
 
     case PRED_REF:
-      xd->mode_info_context->mbmi.ref_predicted = pred_flag;
-      if (xd->mode_info_context->mbmi.sb_type) {
-        const int n_mbs = 1 << xd->mode_info_context->mbmi.sb_type;
-        const int x_mbs = sub(n_mbs, xd->mb_to_right_edge >> 7);
-        const int y_mbs = sub(n_mbs, xd->mb_to_bottom_edge >> 7);
-        int x, y;
-
-        for (y = 0; y < y_mbs; y++) {
-          for (x = !y; x < x_mbs; x++) {
-            xd->mode_info_context[y * mis + x].mbmi.ref_predicted = pred_flag;
-          }
+      for (y = 0; y < y_mbs; y++) {
+        for (x = 0; x < x_mbs; x++) {
+          xd->mode_info_context[y * mis + x].mbmi.ref_predicted = pred_flag;
         }
       }
       break;
 
     case PRED_MBSKIP:
-      xd->mode_info_context->mbmi.mb_skip_coeff = pred_flag;
-      if (xd->mode_info_context->mbmi.sb_type) {
-        const int n_mbs = 1 << xd->mode_info_context->mbmi.sb_type;
-        const int x_mbs = sub(n_mbs, xd->mb_to_right_edge >> 7);
-        const int y_mbs = sub(n_mbs, xd->mb_to_bottom_edge >> 7);
-        int x, y;
-
-        for (y = 0; y < y_mbs; y++) {
-          for (x = !y; x < x_mbs; x++) {
-            xd->mode_info_context[y * mis + x].mbmi.mb_skip_coeff = pred_flag;
-          }
+      for (y = 0; y < y_mbs; y++) {
+        for (x = 0; x < x_mbs; x++) {
+          xd->mode_info_context[y * mis + x].mbmi.mb_skip_coeff = pred_flag;
         }
       }
       break;
@@ -249,11 +232,13 @@ unsigned char vp9_get_pred_mb_segid(const VP9_COMMON *const cm,
   if (!xd->mode_info_context->mbmi.sb_type) {
     return cm->last_frame_seg_map[MbIndex];
   } else {
-    const int n_mbs = 1 << xd->mode_info_context->mbmi.sb_type;
+    BLOCK_SIZE_TYPE bsize = xd->mode_info_context->mbmi.sb_type;
+    const int bh = 1 << mb_height_log2(bsize);
+    const int bw = 1 << mb_width_log2(bsize);
     const int mb_col = MbIndex % cm->mb_cols;
     const int mb_row = MbIndex / cm->mb_cols;
-    const int x_mbs = MIN(n_mbs, cm->mb_cols - mb_col);
-    const int y_mbs = MIN(n_mbs, cm->mb_rows - mb_row);
+    const int x_mbs = MIN(bw, cm->mb_cols - mb_col);
+    const int y_mbs = MIN(bh, cm->mb_rows - mb_row);
     int x, y;
     unsigned seg_id = -1;
 
diff --git a/vp9/decoder/vp9_decodemv.c b/vp9/decoder/vp9_decodemv.c
index f081e71..27cd6a9 100644
--- a/vp9/decoder/vp9_decodemv.c
+++ b/vp9/decoder/vp9_decodemv.c
@@ -136,9 +136,10 @@ static void kfread_modes(VP9D_COMP *pbi,
   if (pbi->mb.update_mb_segmentation_map) {
     read_mb_segid(bc, &m->mbmi, &pbi->mb);
     if (m->mbmi.sb_type) {
-      const int nmbs = 1 << m->mbmi.sb_type;
-      const int ymbs = MIN(cm->mb_rows - mb_row, nmbs);
-      const int xmbs = MIN(cm->mb_cols - mb_col, nmbs);
+      const int bw = 1 << mb_width_log2(m->mbmi.sb_type);
+      const int bh = 1 << mb_height_log2(m->mbmi.sb_type);
+      const int ymbs = MIN(cm->mb_rows - mb_row, bh);
+      const int xmbs = MIN(cm->mb_cols - mb_col, bw);
       int x, y;
 
       for (y = 0; y < ymbs; y++) {
@@ -205,10 +206,11 @@ static void kfread_modes(VP9D_COMP *pbi,
     m->mbmi.txfm_size = vp9_read(bc, cm->prob_tx[0]);
     if (m->mbmi.txfm_size != TX_4X4 && m->mbmi.mode != I8X8_PRED) {
       m->mbmi.txfm_size += vp9_read(bc, cm->prob_tx[1]);
-      if (m->mbmi.txfm_size != TX_8X8 && m->mbmi.sb_type)
+      if (m->mbmi.txfm_size != TX_8X8 && m->mbmi.sb_type >= BLOCK_SIZE_SB32X32)
         m->mbmi.txfm_size += vp9_read(bc, cm->prob_tx[2]);
     }
-  } else if (cm->txfm_mode >= ALLOW_32X32 && m->mbmi.sb_type) {
+  } else if (cm->txfm_mode >= ALLOW_32X32 &&
+             m->mbmi.sb_type >= BLOCK_SIZE_SB32X32) {
     m->mbmi.txfm_size = TX_32X32;
   } else if (cm->txfm_mode >= ALLOW_16X16 && m->mbmi.mode <= TM_PRED) {
     m->mbmi.txfm_size = TX_16X16;
@@ -589,9 +591,10 @@ static void read_mb_segment_id(VP9D_COMP *pbi,
       }
 
       if (mbmi->sb_type) {
-        const int nmbs = 1 << mbmi->sb_type;
-        const int ymbs = MIN(cm->mb_rows - mb_row, nmbs);
-        const int xmbs = MIN(cm->mb_cols - mb_col, nmbs);
+        const int bw = 1 << mb_width_log2(mbmi->sb_type);
+        const int bh = 1 << mb_height_log2(mbmi->sb_type);
+        const int ymbs = MIN(cm->mb_rows - mb_row, bh);
+        const int xmbs = MIN(cm->mb_cols - mb_col, bw);
         int x, y;
 
         for (y = 0; y < ymbs; y++) {
@@ -605,9 +608,10 @@ static void read_mb_segment_id(VP9D_COMP *pbi,
       }
     } else {
       if (mbmi->sb_type) {
-        const int nmbs = 1 << mbmi->sb_type;
-        const int ymbs = MIN(cm->mb_rows - mb_row, nmbs);
-        const int xmbs = MIN(cm->mb_cols - mb_col, nmbs);
+        const int bw = 1 << mb_width_log2(mbmi->sb_type);
+        const int bh = 1 << mb_height_log2(mbmi->sb_type);
+        const int ymbs = MIN(cm->mb_rows - mb_row, bh);
+        const int xmbs = MIN(cm->mb_cols - mb_col, bw);
         unsigned segment_id = -1;
         int x, y;
 
@@ -669,7 +673,8 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
   MACROBLOCKD *const xd = &pbi->mb;
 
   int_mv *const mv = &mbmi->mv[0];
-  const int mb_size = 1 << mi->mbmi.sb_type;
+  const int bw = 1 << mb_width_log2(mi->mbmi.sb_type);
+  const int bh = 1 << mb_height_log2(mi->mbmi.sb_type);
 
   const int use_prev_in_find_mv_refs = cm->width == cm->last_width &&
                                        cm->height == cm->last_height &&
@@ -689,8 +694,8 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
   // Distance of Mb to the various image edges.
   // These specified to 8th pel as they are always compared to MV values
   // that are in 1/8th pel units
-  set_mb_row(cm, xd, mb_row, mb_size);
-  set_mb_col(cm, xd, mb_col, mb_size);
+  set_mb_row(cm, xd, mb_row, bh);
+  set_mb_col(cm, xd, mb_col, bw);
 
   mb_to_top_edge = xd->mb_to_top_edge - LEFT_TOP_MARGIN;
   mb_to_bottom_edge = xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN;
@@ -1104,10 +1109,11 @@ static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
     if (mbmi->txfm_size != TX_4X4 && mbmi->mode != I8X8_PRED &&
         mbmi->mode != SPLITMV) {
       mbmi->txfm_size += vp9_read(bc, cm->prob_tx[1]);
-      if (mbmi->sb_type && mbmi->txfm_size != TX_8X8)
+      if (mbmi->sb_type >= BLOCK_SIZE_SB32X32 && mbmi->txfm_size != TX_8X8)
         mbmi->txfm_size += vp9_read(bc, cm->prob_tx[2]);
     }
-  } else if (mbmi->sb_type && cm->txfm_mode >= ALLOW_32X32) {
+  } else if (mbmi->sb_type >= BLOCK_SIZE_SB32X32 &&
+             cm->txfm_mode >= ALLOW_32X32) {
     mbmi->txfm_size = TX_32X32;
   } else if (cm->txfm_mode >= ALLOW_16X16 &&
       ((mbmi->ref_frame == INTRA_FRAME && mbmi->mode <= TM_PRED) ||
@@ -1417,9 +1423,10 @@ void vp9_decode_mb_mode_mv(VP9D_COMP* const pbi,
 #endif  // CONFIG_CODE_NONZEROCOUNT
 
   if (mbmi->sb_type) {
-    const int n_mbs = 1 << mbmi->sb_type;
-    const int y_mbs = MIN(n_mbs, cm->mb_rows - mb_row);
-    const int x_mbs = MIN(n_mbs, cm->mb_cols - mb_col);
+    const int bw = 1 << mb_width_log2(mbmi->sb_type);
+    const int bh = 1 << mb_height_log2(mbmi->sb_type);
+    const int y_mbs = MIN(bh, cm->mb_rows - mb_row);
+    const int x_mbs = MIN(bw, cm->mb_cols - mb_col);
     const int mis = cm->mode_info_stride;
     int x, y;
 
diff --git a/vp9/decoder/vp9_detokenize.c b/vp9/decoder/vp9_detokenize.c
index f9e9da9..457c739 100644
--- a/vp9/decoder/vp9_detokenize.c
+++ b/vp9/decoder/vp9_detokenize.c
@@ -157,7 +157,8 @@ static int decode_coefs(VP9D_COMP *dx, const MACROBLOCKD *xd,
     }
     case TX_8X8: {
       const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
-      const int sz = 3 + sb_type, x = block_idx & ((1 << sz) - 1);
+      const int sz = 3 + mb_width_log2(sb_type);
+      const int x = block_idx & ((1 << sz) - 1);
       const int y = block_idx - x;
       const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
                               get_tx_type_8x8(xd, y + (x >> 1)) : DCT_DCT;
@@ -181,7 +182,8 @@ static int decode_coefs(VP9D_COMP *dx, const MACROBLOCKD *xd,
     }
     case TX_16X16: {
       const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
-      const int sz = 4 + sb_type, x = block_idx & ((1 << sz) - 1);
+      const int sz = 4 + mb_width_log2(sb_type);
+      const int x = block_idx & ((1 << sz) - 1);
       const int y = block_idx - x;
       const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
                               get_tx_type_16x16(xd, y + (x >> 2)) : DCT_DCT;
diff --git a/vp9/encoder/vp9_bitstream.c b/vp9/encoder/vp9_bitstream.c
index 7fc33c0..b432884 100644
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -763,7 +763,8 @@ static void pack_inter_mode_mvs(VP9_COMP *cpi, MODE_INFO *m,
   const MV_REFERENCE_FRAME rf = mi->ref_frame;
   const MB_PREDICTION_MODE mode = mi->mode;
   const int segment_id = mi->segment_id;
-  const int mb_size = 1 << mi->sb_type;
+  const int bw = 1 << mb_width_log2(mi->sb_type);
+  const int bh = 1 << mb_height_log2(mi->sb_type);
   int skip_coeff;
 
   int mb_row = pc->mb_rows - mb_rows_left;
@@ -775,8 +776,8 @@ static void pack_inter_mode_mvs(VP9_COMP *cpi, MODE_INFO *m,
   // These specified to 8th pel as they are always compared to MV
   // values that are in 1/8th pel units
 
-  set_mb_row(pc, xd, mb_row, mb_size);
-  set_mb_col(pc, xd, mb_col, mb_size);
+  set_mb_row(pc, xd, mb_row, bh);
+  set_mb_col(pc, xd, mb_col, bw);
 
 #ifdef ENTROPY_STATS
   active_section = 9;
@@ -1002,7 +1003,7 @@ static void pack_inter_mode_mvs(VP9_COMP *cpi, MODE_INFO *m,
     vp9_write(bc, sz != TX_4X4, pc->prob_tx[0]);
     if (sz != TX_4X4 && mode != I8X8_PRED && mode != SPLITMV) {
       vp9_write(bc, sz != TX_8X8, pc->prob_tx[1]);
-      if (mi->sb_type && sz != TX_8X8)
+      if (mi->sb_type >= BLOCK_SIZE_SB32X32 && sz != TX_8X8)
         vp9_write(bc, sz != TX_16X16, pc->prob_tx[2]);
     }
   }
@@ -1080,7 +1081,7 @@ static void write_mb_modes_kf(const VP9_COMP *cpi,
     vp9_write(bc, sz != TX_4X4, c->prob_tx[0]);
     if (sz != TX_4X4 && ym <= TM_PRED) {
       vp9_write(bc, sz != TX_8X8, c->prob_tx[1]);
-      if (m->mbmi.sb_type && sz != TX_8X8)
+      if (m->mbmi.sb_type >= BLOCK_SIZE_SB32X32 && sz != TX_8X8)
         vp9_write(bc, sz != TX_16X16, c->prob_tx[2]);
     }
   }
@@ -1649,8 +1650,8 @@ static void write_modes_b(VP9_COMP *cpi, MODE_INFO *m, vp9_writer *bc,
   MACROBLOCKD *const xd = &cpi->mb.e_mbd;
 
   xd->mode_info_context = m;
-  set_mb_row(&cpi->common, xd, mb_row, (1 << m->mbmi.sb_type));
-  set_mb_col(&cpi->common, xd, mb_col, (1 << m->mbmi.sb_type));
+  set_mb_row(&cpi->common, xd, mb_row, 1 << mb_height_log2(m->mbmi.sb_type));
+  set_mb_col(&cpi->common, xd, mb_col, 1 << mb_width_log2(m->mbmi.sb_type));
   if (cm->frame_type == KEY_FRAME) {
     write_mb_modes_kf(cpi, m, bc,
                       cm->mb_rows - mb_row, cm->mb_cols - mb_col);
diff --git a/vp9/encoder/vp9_encodemb.c b/vp9/encoder/vp9_encodemb.c
index 75db660..0b13405 100644
--- a/vp9/encoder/vp9_encodemb.c
+++ b/vp9/encoder/vp9_encodemb.c
@@ -501,7 +501,8 @@ static void optimize_b(VP9_COMMON *const cm,
     }
     case TX_8X8: {
       const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
-      const int sz = 3 + sb_type, x = ib & ((1 << sz) - 1), y = ib - x;
+      const int sz = 3 + mb_width_log2(sb_type);
+      const int x = ib & ((1 << sz) - 1), y = ib - x;
       const TX_TYPE tx_type = get_tx_type_8x8(xd, y + (x >> 1));
       if (tx_type == DCT_ADST) {
         scan = vp9_col_scan_8x8;
@@ -518,7 +519,8 @@ static void optimize_b(VP9_COMMON *const cm,
     }
     case TX_16X16: {
       const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
-      const int sz = 4 + sb_type, x = ib & ((1 << sz) - 1), y = ib - x;
+      const int sz = 4 + mb_width_log2(sb_type);
+      const int x = ib & ((1 << sz) - 1), y = ib - x;
       const TX_TYPE tx_type = get_tx_type_16x16(xd, y + (x >> 2));
       if (tx_type == DCT_ADST) {
         scan = vp9_col_scan_16x16;
diff --git a/vp9/encoder/vp9_rdopt.c b/vp9/encoder/vp9_rdopt.c
index 82592f3..49cbd4e 100644
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -458,7 +458,8 @@ static INLINE int cost_coeffs(VP9_COMMON *const cm, MACROBLOCK *mb,
     }
     case TX_8X8: {
       const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
-      const int sz = 3 + sb_type, x = ib & ((1 << sz) - 1), y = ib - x;
+      const int sz = 3 + mb_width_log2(sb_type);
+      const int x = ib & ((1 << sz) - 1), y = ib - x;
       const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
                               get_tx_type_8x8(xd, y + (x >> 1)) : DCT_DCT;
       a_ec = (a[0] + a[1]) != 0;
@@ -479,7 +480,8 @@ static INLINE int cost_coeffs(VP9_COMMON *const cm, MACROBLOCK *mb,
     }
     case TX_16X16: {
       const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
-      const int sz = 4 + sb_type, x = ib & ((1 << sz) - 1), y = ib - x;
+      const int sz = 4 + mb_width_log2(sb_type);
+      const int x = ib & ((1 << sz) - 1), y = ib - x;
       const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
                               get_tx_type_16x16(xd, y + (x >> 2)) : DCT_DCT;
       if (tx_type == ADST_DCT) {
diff --git a/vp9/encoder/vp9_tokenize.c b/vp9/encoder/vp9_tokenize.c
index 58b7412..e85f851 100644
--- a/vp9/encoder/vp9_tokenize.c
+++ b/vp9/encoder/vp9_tokenize.c
@@ -187,7 +187,8 @@ static void tokenize_b(VP9_COMP *cpi,
       break;
     }
     case TX_8X8: {
-      const int sz = 3 + sb_type, x = ib & ((1 << sz) - 1), y = ib - x;
+      const int sz = 3 + mb_width_log2(sb_type);
+      const int x = ib & ((1 << sz) - 1), y = ib - x;
       const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
                               get_tx_type_8x8(xd, y + (x >> 1)) : DCT_DCT;
       a_ec = (a[0] + a[1]) != 0;
@@ -206,7 +207,8 @@ static void tokenize_b(VP9_COMP *cpi,
       break;
     }
     case TX_16X16: {
-      const int sz = 4 + sb_type, x = ib & ((1 << sz) - 1), y = ib - x;
+      const int sz = 4 + mb_width_log2(sb_type);
+      const int x = ib & ((1 << sz) - 1), y = ib - x;
       const TX_TYPE tx_type = (type == PLANE_TYPE_Y_WITH_DC) ?
                               get_tx_type_16x16(xd, y + (x >> 2)) : DCT_DCT;
       if (type != PLANE_TYPE_UV) {
@@ -787,7 +789,7 @@ static void stuff_b(VP9_COMP *cpi,
   const int nzc_used = get_nzc_used(tx_size);
 #endif
 
-  if (sb_type == BLOCK_SIZE_SB32X32) {
+  if (sb_type == BLOCK_SIZE_SB64X64) {
     a = (ENTROPY_CONTEXT *)xd->above_context +
                                              vp9_block2above_sb64[tx_size][ib];
     l = (ENTROPY_CONTEXT *)xd->left_context + vp9_block2left_sb64[tx_size][ib];