shithub: libvpx

Download patch

ref: 709c634b844c697709a324d74d9c342ab33179bf
parent: d478d2df3728da02bd7424184a7c1eb05ee23f5c
author: Hui Su <huisu@google.com>
date: Thu Oct 30 13:56:36 EDT 2014 

Simplify interface of write_selected_tx_size and read_tx_size

Change-Id: Ia2b2a895deefaaf7b34bf26df86add56dbab082c


--- a/vp9/decoder/vp9_decodemv.c
+++ b/vp9/decoder/vp9_decodemv.c
@@ -74,8 +74,10 @@
   return (TX_SIZE)tx_size;
 }
 
-static TX_SIZE read_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd, TX_MODE tx_mode,
-                            BLOCK_SIZE bsize, int allow_select, vp9_reader *r) {
+static TX_SIZE read_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd,
+                            int allow_select, vp9_reader *r) {
+  TX_MODE tx_mode = cm->tx_mode;
+  BLOCK_SIZE bsize = xd->mi[0].src_mi->mbmi.sb_type;
   const TX_SIZE max_tx_size = max_txsize_lookup[bsize];
   if (allow_select && tx_mode == TX_MODE_SELECT && bsize >= BLOCK_8X8)
     return read_selected_tx_size(cm, xd, max_tx_size, r);
@@ -169,7 +171,7 @@
 
   mbmi->segment_id = read_intra_segment_id(cm, xd, mi_row, mi_col, r);
   mbmi->skip = read_skip(cm, xd, mbmi->segment_id, r);
-  mbmi->tx_size = read_tx_size(cm, xd, cm->tx_mode, bsize, 1, r);
+  mbmi->tx_size = read_tx_size(cm, xd, 1, r);
   mbmi->ref_frame[0] = INTRA_FRAME;
   mbmi->ref_frame[1] = NONE;
 
@@ -532,8 +534,7 @@
   mbmi->segment_id = read_inter_segment_id(cm, xd, mi_row, mi_col, r);
   mbmi->skip = read_skip(cm, xd, mbmi->segment_id, r);
   inter_block = read_is_inter_block(cm, xd, mbmi->segment_id, r);
-  mbmi->tx_size = read_tx_size(cm, xd, cm->tx_mode, mbmi->sb_type,
-                               !mbmi->skip || !inter_block, r);
+  mbmi->tx_size = read_tx_size(cm, xd, !mbmi->skip || !inter_block, r);
 
   if (inter_block)
     read_inter_block_mode_info(cm, xd, tile, mi, mi_row, mi_col, r);
--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -79,9 +79,9 @@
 }
 
 static void write_selected_tx_size(const VP9_COMMON *cm,
-                                   const MACROBLOCKD *xd,
-                                   TX_SIZE tx_size, BLOCK_SIZE bsize,
-                                   vp9_writer *w) {
+                                   const MACROBLOCKD *xd, vp9_writer *w) {
+  TX_SIZE tx_size = xd->mi[0].src_mi->mbmi.tx_size;
+  BLOCK_SIZE bsize = xd->mi[0].src_mi->mbmi.sb_type;
   const TX_SIZE max_tx_size = max_txsize_lookup[bsize];
   const vp9_prob *const tx_probs = get_tx_probs2(max_tx_size, xd,
                                                  &cm->fc->tx_probs);
@@ -270,7 +270,7 @@
   if (bsize >= BLOCK_8X8 && cm->tx_mode == TX_MODE_SELECT &&
       !(is_inter &&
         (skip || vp9_segfeature_active(seg, segment_id, SEG_LVL_SKIP)))) {
-    write_selected_tx_size(cm, xd, mbmi->tx_size, bsize, w);
+    write_selected_tx_size(cm, xd, w);
   }
 
   if (!is_inter) {
@@ -356,7 +356,7 @@
   write_skip(cm, xd, mbmi->segment_id, mi, w);
 
   if (bsize >= BLOCK_8X8 && cm->tx_mode == TX_MODE_SELECT)
-    write_selected_tx_size(cm, xd, mbmi->tx_size, bsize, w);
+    write_selected_tx_size(cm, xd, w);
 
   if (bsize >= BLOCK_8X8) {
     write_intra_mode(w, mbmi->mode, get_y_mode_probs(mi, above_mi, left_mi, 0));