ref: 49bb6df0e2a172081cfe28310cf6e215fe8c3e4e
parent: c9a8c32bce638fbf9e54ebd53b1e94a337575acb
author: Dmitry Kovalev <dkovalev@google.com>
date: Mon Mar 24 07:02:27 EDT 2014
Cleaning up vp9_entropymv.c. Change-Id: I01b3530779da89acb84c71bac5ccac456f00c5ac
--- a/vp9/common/vp9_entropymv.c
+++ b/vp9/common/vp9_entropymv.c
@@ -8,7 +8,6 @@
* be found in the AUTHORS file in the root of the source tree.
*/
-
#include "vp9/common/vp9_onyxc_int.h"
#include "vp9/common/vp9_entropymv.h"
@@ -15,7 +14,7 @@
#define MV_COUNT_SAT 20
#define MV_MAX_UPDATE_FACTOR 128
-/* Integer pel reference mv threshold for use of high-precision 1/8 mv */
+// Integer pel reference mv threshold for use of high-precision 1/8 mv
#define COMPANDED_MVREF_THRESH 8
const vp9_tree_index vp9_mv_joint_tree[TREE_SIZE(MV_JOINTS)] = {
@@ -49,32 +48,30 @@
static const nmv_context default_nmv_context = {
{32, 64, 96},
- { // NOLINT
- { /* vert component */ // NOLINT
- 128, /* sign */
- {224, 144, 192, 168, 192, 176, 192, 198, 198, 245}, /* class */
- {216}, /* class0 */
- {136, 140, 148, 160, 176, 192, 224, 234, 234, 240}, /* bits */
- {{128, 128, 64}, {96, 112, 64}}, /* class0_fp */
- {64, 96, 64}, /* fp */
- 160, /* class0_hp bit */
- 128, /* hp */
+ {
+ { // Vertical component
+ 128, // sign
+ {224, 144, 192, 168, 192, 176, 192, 198, 198, 245}, // class
+ {216}, // class0
+ {136, 140, 148, 160, 176, 192, 224, 234, 234, 240}, // bits
+ {{128, 128, 64}, {96, 112, 64}}, // class0_fp
+ {64, 96, 64}, // fp
+ 160, // class0_hp bit
+ 128, // hp
},
- { /* hor component */ // NOLINT
- 128, /* sign */
- {216, 128, 176, 160, 176, 176, 192, 198, 198, 208}, /* class */
- {208}, /* class0 */
- {136, 140, 148, 160, 176, 192, 224, 234, 234, 240}, /* bits */
- {{128, 128, 64}, {96, 112, 64}}, /* class0_fp */
- {64, 96, 64}, /* fp */
- 160, /* class0_hp bit */
- 128, /* hp */
+ { // Horizontal component
+ 128, // sign
+ {216, 128, 176, 160, 176, 176, 192, 198, 198, 208}, // class
+ {208}, // class0
+ {136, 140, 148, 160, 176, 192, 224, 234, 234, 240}, // bits
+ {{128, 128, 64}, {96, 112, 64}}, // class0_fp
+ {64, 96, 64}, // fp
+ 160, // class0_hp bit
+ 128, // hp
}
},
};
-#define mv_class_base(c) ((c) ? (CLASS0_SIZE << (c + 2)) : 0)
-
static const uint8_t log_in_base_2[] = {
0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
@@ -121,9 +118,13 @@
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10
};
+static INLINE int mv_class_base(MV_CLASS_TYPE c) {
+ return c ? CLASS0_SIZE << (c + 2) : 0;
+}
+
MV_CLASS_TYPE vp9_get_mv_class(int z, int *offset) {
- const MV_CLASS_TYPE c = (z >= CLASS0_SIZE * 4096) ? MV_CLASS_10 :
- (MV_CLASS_TYPE)log_in_base_2[z >> 3];
+ const MV_CLASS_TYPE c = (z >= CLASS0_SIZE * 4096) ?
+ MV_CLASS_10 : (MV_CLASS_TYPE)log_in_base_2[z >> 3];
if (offset)
*offset = z - mv_class_base(c);
return c;
--
⑨