shithub: libvpx

Download patch

ref: 56d048c412e5bbd73718310e5bb14834e9d8cab3
parent: 249366b1ac5f5c2abae334142183c9cb52271526
author: Dmitry Kovalev <[email protected]>
date: Mon Nov 25 11:36:28 EST 2013 

Moving mv entropy encodings calculation to the encoder side.

Moved arrays:
  vp9_mv_joint_encodings
  vp9_mv_class_encodings
  vp9_mv_class0_encodings
  vp9_mv_fp_encodings

Change-Id: Iaf5008c579fcbd6d77fdd81d1aef8c71b5f308b7


--- a/vp9/common/vp9_alloccommon.c
+++ b/vp9/common/vp9_alloccommon.c
@@ -213,7 +213,6 @@
   vp9_init_neighbors();
   vp9_coef_tree_initialize();
   vp9_entropy_mode_init();
-  vp9_entropy_mv_init();
 }
 
 void vp9_update_frame_size(VP9_COMMON *cm) {
--- a/vp9/common/vp9_entropymv.c
+++ b/vp9/common/vp9_entropymv.c
@@ -23,7 +23,6 @@
   -MV_JOINT_HNZVZ, 4,
   -MV_JOINT_HZVNZ, -MV_JOINT_HNZVNZ
 };
-struct vp9_token vp9_mv_joint_encodings[MV_JOINTS];
 
 const vp9_tree_index vp9_mv_class_tree[TREE_SIZE(MV_CLASSES)] = {
   -MV_CLASS_0, 2,
@@ -37,19 +36,16 @@
   -MV_CLASS_7, -MV_CLASS_8,
   -MV_CLASS_9, -MV_CLASS_10,
 };
-struct vp9_token vp9_mv_class_encodings[MV_CLASSES];
 
 const vp9_tree_index vp9_mv_class0_tree[TREE_SIZE(CLASS0_SIZE)] = {
   -0, -1,
 };
-struct vp9_token vp9_mv_class0_encodings[CLASS0_SIZE];
 
-const vp9_tree_index vp9_mv_fp_tree[TREE_SIZE(4)] = {
+const vp9_tree_index vp9_mv_fp_tree[TREE_SIZE(MV_FP_SIZE)] = {
   -0, 2,
   -1, 4,
   -2, -3
 };
-struct vp9_token vp9_mv_fp_encodings[4];
 
 static const nmv_context default_nmv_context = {
   {32, 64, 96},
@@ -233,13 +229,6 @@
       comp->hp = adapt_prob(pre_comp->hp, c->hp);
     }
   }
-}
-
-void vp9_entropy_mv_init() {
-  vp9_tokens_from_tree(vp9_mv_joint_encodings, vp9_mv_joint_tree);
-  vp9_tokens_from_tree(vp9_mv_class_encodings, vp9_mv_class_tree);
-  vp9_tokens_from_tree(vp9_mv_class0_encodings, vp9_mv_class0_tree);
-  vp9_tokens_from_tree(vp9_mv_fp_encodings, vp9_mv_fp_tree);
 }
 
 void vp9_init_mv_probs(VP9_COMMON *cm) {
--- a/vp9/common/vp9_entropymv.h
+++ b/vp9/common/vp9_entropymv.h
@@ -18,7 +18,6 @@
 
 struct VP9Common;
 
-void vp9_entropy_mv_init();
 void vp9_init_mv_probs(struct VP9Common *cm);
 
 void vp9_adapt_mv_probs(struct VP9Common *cm, int usehp);
@@ -72,17 +71,10 @@
 #define MV_UPP   ((1 << MV_IN_USE_BITS) - 1)
 #define MV_LOW   (-(1 << MV_IN_USE_BITS))
 
-extern const vp9_tree_index vp9_mv_joint_tree[TREE_SIZE(MV_JOINTS)];
-extern struct vp9_token vp9_mv_joint_encodings[MV_JOINTS];
-
-extern const vp9_tree_index vp9_mv_class_tree[TREE_SIZE(MV_CLASSES)];
-extern struct vp9_token vp9_mv_class_encodings[MV_CLASSES];
-
-extern const vp9_tree_index vp9_mv_class0_tree[TREE_SIZE(CLASS0_SIZE)];
-extern struct vp9_token vp9_mv_class0_encodings[CLASS0_SIZE];
-
-extern const vp9_tree_index vp9_mv_fp_tree[TREE_SIZE(MV_FP_SIZE)];
-extern struct vp9_token vp9_mv_fp_encodings[4];
+extern const vp9_tree_index vp9_mv_joint_tree[];
+extern const vp9_tree_index vp9_mv_class_tree[];
+extern const vp9_tree_index vp9_mv_class0_tree[];
+extern const vp9_tree_index vp9_mv_fp_tree[];
 
 typedef struct {
   vp9_prob sign;
--- a/vp9/encoder/vp9_encodemv.c
+++ b/vp9/encoder/vp9_encodemv.c
@@ -15,11 +15,22 @@
 #include "vp9/common/vp9_systemdependent.h"
 #include "vp9/encoder/vp9_encodemv.h"
 
-
 #ifdef ENTROPY_STATS
 extern unsigned int active_section;
 #endif
 
+static struct vp9_token mv_joint_encodings[MV_JOINTS];
+static struct vp9_token mv_class_encodings[MV_CLASSES];
+static struct vp9_token mv_fp_encodings[MV_FP_SIZE];
+static struct vp9_token mv_class0_encodings[CLASS0_SIZE];
+
+void vp9_entropy_mv_init() {
+  vp9_tokens_from_tree(mv_joint_encodings, vp9_mv_joint_tree);
+  vp9_tokens_from_tree(mv_class_encodings, vp9_mv_class_tree);
+  vp9_tokens_from_tree(mv_class0_encodings, vp9_mv_class0_tree);
+  vp9_tokens_from_tree(mv_fp_encodings, vp9_mv_fp_tree);
+}
+
 static void encode_mv_component(vp9_writer* w, int comp,
                                 const nmv_component* mvcomp, int usehp) {
   int offset;
@@ -37,12 +48,12 @@
 
   // Class
   write_token(w, vp9_mv_class_tree, mvcomp->classes,
-              &vp9_mv_class_encodings[mv_class]);
+              &mv_class_encodings[mv_class]);
 
   // Integer bits
   if (mv_class == MV_CLASS_0) {
     write_token(w, vp9_mv_class0_tree, mvcomp->class0,
-                &vp9_mv_class0_encodings[d]);
+                &mv_class0_encodings[d]);
   } else {
     int i;
     const int n = mv_class + CLASS0_BITS - 1;  // number of bits
@@ -53,7 +64,7 @@
   // Fractional bits
   write_token(w, vp9_mv_fp_tree,
               mv_class == MV_CLASS_0 ?  mvcomp->class0_fp[d] : mvcomp->fp,
-              &vp9_mv_fp_encodings[fr]);
+              &mv_fp_encodings[fr]);
 
   // High precision bit
   if (usehp)
@@ -198,7 +209,7 @@
   const MV_JOINT_TYPE j = vp9_get_mv_joint(&diff);
   usehp = usehp && vp9_use_mv_hp(ref);
 
-  write_token(w, vp9_mv_joint_tree, mvctx->joints, &vp9_mv_joint_encodings[j]);
+  write_token(w, vp9_mv_joint_tree, mvctx->joints, &mv_joint_encodings[j]);
   if (mv_joint_vertical(j))
     encode_mv_component(w, diff.row, &mvctx->comps[0], usehp);
 
@@ -258,3 +269,4 @@
     inc_mvs(mbmi->mv, best_ref_mv, is_compound, &cpi->NMVcount);
   }
 }
+
--- a/vp9/encoder/vp9_encodemv.h
+++ b/vp9/encoder/vp9_encodemv.h
@@ -14,6 +14,8 @@
 
 #include "vp9/encoder/vp9_onyx_int.h"
 
+void vp9_entropy_mv_init();
+
 void vp9_write_nmv_probs(VP9_COMP* const, int usehp, vp9_writer* const);
 
 void vp9_encode_mv(VP9_COMP *cpi, vp9_writer* w, const MV* mv, const MV* ref,
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -24,6 +24,8 @@
 #include "vp9/common/vp9_reconinter.h"
 #include "vp9/common/vp9_systemdependent.h"
 #include "vp9/common/vp9_tile_common.h"
+
+#include "vp9/encoder/vp9_encodemv.h"
 #include "vp9/encoder/vp9_firstpass.h"
 #include "vp9/encoder/vp9_mbgraph.h"
 #include "vp9/encoder/vp9_onyx_int.h"
@@ -159,6 +161,7 @@
     vp9_init_me_luts();
     vp9_init_minq_luts();
     // init_base_skip_probs();
+    vp9_entropy_mv_init();
     init_done = 1;
   }
 }