Renaming vp9_get_pred_context_tx_size() function.

Change-Id: Ia6d6f4dfb1fd1ec0f8ba53796b59a802e9d7881d

vp9/common/vp9_pred_common.c

@@ -364,7 +364,7 @@ unsigned char vp9_get_pred_context_single_ref_p2(const MACROBLOCKD *xd) {
 // The mode info data structure has a one element border above and to the
 // left of the entries corresponding to real blocks.
 // The prediction flags in these dummy entries are initialized to 0.
-unsigned char vp9_get_pred_context_tx_size(const MACROBLOCKD *xd) {
+int vp9_get_tx_size_context(const MACROBLOCKD *xd) {
   const int max_tx_size = max_txsize_lookup[xd->mi_8x8[0]->mbmi.sb_type];
   const MB_MODE_INFO *const above_mbmi = get_above_mbmi(get_above_mi(xd));
   const MB_MODE_INFO *const left_mbmi = get_left_mbmi(get_left_mi(xd));

vp9/common/vp9_pred_common.h

@@ -100,7 +100,7 @@ static INLINE vp9_prob vp9_get_pred_prob_single_ref_p2(const VP9_COMMON *cm,
   return cm->fc.single_ref_prob[pred_context][1];
 }
 
-unsigned char vp9_get_pred_context_tx_size(const MACROBLOCKD *xd);
+int vp9_get_tx_size_context(const MACROBLOCKD *xd);
 
 static const vp9_prob *get_tx_probs(TX_SIZE max_tx_size, int ctx,
                                     const struct tx_probs *tx_probs) {
@@ -119,8 +119,7 @@ static const vp9_prob *get_tx_probs(TX_SIZE max_tx_size, int ctx,
 
 static const vp9_prob *get_tx_probs2(TX_SIZE max_tx_size, const MACROBLOCKD *xd,
                                      const struct tx_probs *tx_probs) {
-  const int ctx = vp9_get_pred_context_tx_size(xd);
-  return get_tx_probs(max_tx_size, ctx, tx_probs);
+  return get_tx_probs(max_tx_size, vp9_get_tx_size_context(xd), tx_probs);
 }
 
 static unsigned int *get_tx_counts(TX_SIZE max_tx_size, int ctx,

vp9/decoder/vp9_decodemv.c

@@ -63,7 +63,7 @@ static int read_segment_id(vp9_reader *r, const struct segmentation *seg) {
 
 static TX_SIZE read_selected_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd,
                                      TX_SIZE max_tx_size, vp9_reader *r) {
-  const int ctx = vp9_get_pred_context_tx_size(xd);
+  const int ctx = vp9_get_tx_size_context(xd);
   const vp9_prob *tx_probs = get_tx_probs(max_tx_size, ctx, &cm->fc.tx_probs);
   TX_SIZE tx_size = vp9_read(r, tx_probs[0]);
   if (tx_size != TX_4X4 && max_tx_size >= TX_16X16) {

vp9/encoder/vp9_encodeframe.c

@@ -2589,9 +2589,8 @@ static void encode_superblock(VP9_COMP *cpi, TOKENEXTRA **t, int output_enabled,
         !(is_inter_block(mbmi) &&
             (mbmi->skip_coeff ||
              vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)))) {
-      const uint8_t context = vp9_get_pred_context_tx_size(xd);
-      ++get_tx_counts(max_txsize_lookup[bsize],
-                      context, &cm->counts.tx)[mbmi->tx_size];
+      ++get_tx_counts(max_txsize_lookup[bsize], vp9_get_tx_size_context(xd),
+                      &cm->counts.tx)[mbmi->tx_size];
     } else {
       int x, y;
       TX_SIZE tx_size;