Remove TX size segment feature

Change-Id: I0d226e4cb240caced37230f46905bf69b46e0cce

vp9/common/vp9_blockd.h

@@ -109,8 +109,7 @@ typedef enum {
   SEG_LVL_ALT_LF = 1,              // Use alternate loop filter value...
   SEG_LVL_REF_FRAME = 2,           // Optional Segment reference frame
   SEG_LVL_SKIP = 3,                // Optional Segment (0,0) + skip mode
-  SEG_LVL_TRANSFORM = 4,           // Block transform size.
-  SEG_LVL_MAX = 5                  // Number of MB level features supported
+  SEG_LVL_MAX = 4                  // Number of MB level features supported
 } SEG_LVL_FEATURES;
 
 // Segment level features.

vp9/common/vp9_seg_common.c

@@ -12,9 +12,8 @@
 #include "vp9/common/vp9_blockd.h"
 #include "vp9/common/vp9_seg_common.h"
 
-static const int segfeaturedata_signed[SEG_LVL_MAX] = { 1, 1, 0, 0, 0 };
-static const int seg_feature_data_max[SEG_LVL_MAX] =
-                 { MAXQ, 63, 0xf, 0xf, TX_SIZE_MAX_SB - 1};
+static const int segfeaturedata_signed[SEG_LVL_MAX] = { 1, 1, 0, 0 };
+static const int seg_feature_data_max[SEG_LVL_MAX] = { MAXQ, 63, 0xf, 0xf };
 
 // These functions provide access to new segment level features.
 // Eventually these function may be "optimized out" but for the moment,
@@ -103,10 +102,4 @@ int vp9_check_segref_inter(MACROBLOCKD *xd, int segment_id) {
           ~(1 << INTRA_FRAME)) ? 1 : 0;
 }
 
-int vp9_get_seg_tx_type(MACROBLOCKD *xd, int segment_id) {
-  if (vp9_segfeature_active(xd, segment_id, SEG_LVL_TRANSFORM))
-    return vp9_get_segdata(xd, segment_id, SEG_LVL_TRANSFORM);
-  else
-    return TX_4X4;
-}
 // TBD? Functions to read and write segment data with range / validity checking

vp9/common/vp9_seg_common.h

@@ -57,7 +57,5 @@ int vp9_check_segref(const MACROBLOCKD *xd,
 
 int vp9_check_segref_inter(MACROBLOCKD *xd, int segment_id);
 
-int vp9_get_seg_tx_type(MACROBLOCKD *xd, int segment_id);
-
 #endif  // VP9_COMMON_VP9_SEG_COMMON_H_