ref: 59b7f2f36f534ec53caba6ee049bfafca02511c6
parent: 18d309c12734d2f06d54ad1716e512153a13ab9d
parent: 5362ce31ca7224815cff119f608304f77882f129
author: Angie Chiang <angiebird@google.com>
date: Wed Jul 24 17:01:42 EDT 2019
Merge "Add vp9_non_greedy_mv.c/h"
--- a/vp9/common/vp9_mv.h
+++ b/vp9/common/vp9_mv.h
@@ -19,6 +19,8 @@
extern "C" {#endif
+#define INVALID_MV 0x80008000
+
typedef struct mv {int16_t row;
int16_t col;
--- a/vp9/encoder/vp9_mcomp.c
+++ b/vp9/encoder/vp9_mcomp.c
@@ -1731,202 +1731,6 @@
#define MAX_RANGE 256
#define MIN_INTERVAL 1
#if CONFIG_NON_GREEDY_MV
-
-#define LOG2_TABLE_SIZE 1024
-static const int log2_table[LOG2_TABLE_SIZE] = {- 0, // This is a dummy value
- 0, 1048576, 1661954, 2097152, 2434718, 2710530, 2943725,
- 3145728, 3323907, 3483294, 3627477, 3759106, 3880192, 3992301,
- 4096672, 4194304, 4286015, 4372483, 4454275, 4531870, 4605679,
- 4676053, 4743299, 4807682, 4869436, 4928768, 4985861, 5040877,
- 5093962, 5145248, 5194851, 5242880, 5289431, 5334591, 5378443,
- 5421059, 5462508, 5502851, 5542146, 5580446, 5617800, 5654255,
- 5689851, 5724629, 5758625, 5791875, 5824409, 5856258, 5887450,
- 5918012, 5947969, 5977344, 6006160, 6034437, 6062195, 6089453,
- 6116228, 6142538, 6168398, 6193824, 6218829, 6243427, 6267632,
- 6291456, 6314910, 6338007, 6360756, 6383167, 6405252, 6427019,
- 6448477, 6469635, 6490501, 6511084, 6531390, 6551427, 6571202,
- 6590722, 6609993, 6629022, 6647815, 6666376, 6684713, 6702831,
- 6720734, 6738427, 6755916, 6773205, 6790299, 6807201, 6823917,
- 6840451, 6856805, 6872985, 6888993, 6904834, 6920510, 6936026,
- 6951384, 6966588, 6981641, 6996545, 7011304, 7025920, 7040397,
- 7054736, 7068940, 7083013, 7096956, 7110771, 7124461, 7138029,
- 7151476, 7164804, 7178017, 7191114, 7204100, 7216974, 7229740,
- 7242400, 7254954, 7267405, 7279754, 7292003, 7304154, 7316208,
- 7328167, 7340032, 7351805, 7363486, 7375079, 7386583, 7398000,
- 7409332, 7420579, 7431743, 7442826, 7453828, 7464751, 7475595,
- 7486362, 7497053, 7507669, 7518211, 7528680, 7539077, 7549404,
- 7559660, 7569847, 7579966, 7590017, 7600003, 7609923, 7619778,
- 7629569, 7639298, 7648964, 7658569, 7668114, 7677598, 7687023,
- 7696391, 7705700, 7714952, 7724149, 7733289, 7742375, 7751407,
- 7760385, 7769310, 7778182, 7787003, 7795773, 7804492, 7813161,
- 7821781, 7830352, 7838875, 7847350, 7855777, 7864158, 7872493,
- 7880782, 7889027, 7897226, 7905381, 7913492, 7921561, 7929586,
- 7937569, 7945510, 7953410, 7961268, 7969086, 7976864, 7984602,
- 7992301, 7999960, 8007581, 8015164, 8022709, 8030217, 8037687,
- 8045121, 8052519, 8059880, 8067206, 8074496, 8081752, 8088973,
- 8096159, 8103312, 8110431, 8117516, 8124569, 8131589, 8138576,
- 8145532, 8152455, 8159347, 8166208, 8173037, 8179836, 8186605,
- 8193343, 8200052, 8206731, 8213380, 8220001, 8226593, 8233156,
- 8239690, 8246197, 8252676, 8259127, 8265550, 8271947, 8278316,
- 8284659, 8290976, 8297266, 8303530, 8309768, 8315981, 8322168,
- 8328330, 8334467, 8340579, 8346667, 8352730, 8358769, 8364784,
- 8370775, 8376743, 8382687, 8388608, 8394506, 8400381, 8406233,
- 8412062, 8417870, 8423655, 8429418, 8435159, 8440878, 8446576,
- 8452252, 8457908, 8463542, 8469155, 8474748, 8480319, 8485871,
- 8491402, 8496913, 8502404, 8507875, 8513327, 8518759, 8524171,
- 8529564, 8534938, 8540293, 8545629, 8550947, 8556245, 8561525,
- 8566787, 8572031, 8577256, 8582464, 8587653, 8592825, 8597980,
- 8603116, 8608236, 8613338, 8618423, 8623491, 8628542, 8633576,
- 8638593, 8643594, 8648579, 8653547, 8658499, 8663434, 8668354,
- 8673258, 8678145, 8683017, 8687874, 8692715, 8697540, 8702350,
- 8707145, 8711925, 8716690, 8721439, 8726174, 8730894, 8735599,
- 8740290, 8744967, 8749628, 8754276, 8758909, 8763528, 8768134,
- 8772725, 8777302, 8781865, 8786415, 8790951, 8795474, 8799983,
- 8804478, 8808961, 8813430, 8817886, 8822328, 8826758, 8831175,
- 8835579, 8839970, 8844349, 8848715, 8853068, 8857409, 8861737,
- 8866053, 8870357, 8874649, 8878928, 8883195, 8887451, 8891694,
- 8895926, 8900145, 8904353, 8908550, 8912734, 8916908, 8921069,
- 8925220, 8929358, 8933486, 8937603, 8941708, 8945802, 8949885,
- 8953957, 8958018, 8962068, 8966108, 8970137, 8974155, 8978162,
- 8982159, 8986145, 8990121, 8994086, 8998041, 9001986, 9005920,
- 9009844, 9013758, 9017662, 9021556, 9025440, 9029314, 9033178,
- 9037032, 9040877, 9044711, 9048536, 9052352, 9056157, 9059953,
- 9063740, 9067517, 9071285, 9075044, 9078793, 9082533, 9086263,
- 9089985, 9093697, 9097400, 9101095, 9104780, 9108456, 9112123,
- 9115782, 9119431, 9123072, 9126704, 9130328, 9133943, 9137549,
- 9141146, 9144735, 9148316, 9151888, 9155452, 9159007, 9162554,
- 9166092, 9169623, 9173145, 9176659, 9180165, 9183663, 9187152,
- 9190634, 9194108, 9197573, 9201031, 9204481, 9207923, 9211357,
- 9214784, 9218202, 9221613, 9225017, 9228412, 9231800, 9235181,
- 9238554, 9241919, 9245277, 9248628, 9251971, 9255307, 9258635,
- 9261956, 9265270, 9268577, 9271876, 9275169, 9278454, 9281732,
- 9285002, 9288266, 9291523, 9294773, 9298016, 9301252, 9304481,
- 9307703, 9310918, 9314126, 9317328, 9320523, 9323711, 9326892,
- 9330067, 9333235, 9336397, 9339552, 9342700, 9345842, 9348977,
- 9352106, 9355228, 9358344, 9361454, 9364557, 9367654, 9370744,
- 9373828, 9376906, 9379978, 9383043, 9386102, 9389155, 9392202,
- 9395243, 9398278, 9401306, 9404329, 9407345, 9410356, 9413360,
- 9416359, 9419351, 9422338, 9425319, 9428294, 9431263, 9434226,
- 9437184, 9440136, 9443082, 9446022, 9448957, 9451886, 9454809,
- 9457726, 9460638, 9463545, 9466446, 9469341, 9472231, 9475115,
- 9477994, 9480867, 9483735, 9486597, 9489454, 9492306, 9495152,
- 9497993, 9500828, 9503659, 9506484, 9509303, 9512118, 9514927,
- 9517731, 9520530, 9523324, 9526112, 9528895, 9531674, 9534447,
- 9537215, 9539978, 9542736, 9545489, 9548237, 9550980, 9553718,
- 9556451, 9559179, 9561903, 9564621, 9567335, 9570043, 9572747,
- 9575446, 9578140, 9580830, 9583514, 9586194, 9588869, 9591540,
- 9594205, 9596866, 9599523, 9602174, 9604821, 9607464, 9610101,
- 9612735, 9615363, 9617987, 9620607, 9623222, 9625832, 9628438,
- 9631040, 9633637, 9636229, 9638818, 9641401, 9643981, 9646556,
- 9649126, 9651692, 9654254, 9656812, 9659365, 9661914, 9664459,
- 9666999, 9669535, 9672067, 9674594, 9677118, 9679637, 9682152,
- 9684663, 9687169, 9689672, 9692170, 9694665, 9697155, 9699641,
- 9702123, 9704601, 9707075, 9709545, 9712010, 9714472, 9716930,
- 9719384, 9721834, 9724279, 9726721, 9729159, 9731593, 9734024,
- 9736450, 9738872, 9741291, 9743705, 9746116, 9748523, 9750926,
- 9753326, 9755721, 9758113, 9760501, 9762885, 9765266, 9767642,
- 9770015, 9772385, 9774750, 9777112, 9779470, 9781825, 9784175,
- 9786523, 9788866, 9791206, 9793543, 9795875, 9798204, 9800530,
- 9802852, 9805170, 9807485, 9809797, 9812104, 9814409, 9816710,
- 9819007, 9821301, 9823591, 9825878, 9828161, 9830441, 9832718,
- 9834991, 9837261, 9839527, 9841790, 9844050, 9846306, 9848559,
- 9850808, 9853054, 9855297, 9857537, 9859773, 9862006, 9864235,
- 9866462, 9868685, 9870904, 9873121, 9875334, 9877544, 9879751,
- 9881955, 9884155, 9886352, 9888546, 9890737, 9892925, 9895109,
- 9897291, 9899469, 9901644, 9903816, 9905985, 9908150, 9910313,
- 9912473, 9914629, 9916783, 9918933, 9921080, 9923225, 9925366,
- 9927504, 9929639, 9931771, 9933900, 9936027, 9938150, 9940270,
- 9942387, 9944502, 9946613, 9948721, 9950827, 9952929, 9955029,
- 9957126, 9959219, 9961310, 9963398, 9965484, 9967566, 9969645,
- 9971722, 9973796, 9975866, 9977934, 9980000, 9982062, 9984122,
- 9986179, 9988233, 9990284, 9992332, 9994378, 9996421, 9998461,
- 10000498, 10002533, 10004565, 10006594, 10008621, 10010644, 10012665,
- 10014684, 10016700, 10018713, 10020723, 10022731, 10024736, 10026738,
- 10028738, 10030735, 10032729, 10034721, 10036710, 10038697, 10040681,
- 10042662, 10044641, 10046617, 10048591, 10050562, 10052530, 10054496,
- 10056459, 10058420, 10060379, 10062334, 10064287, 10066238, 10068186,
- 10070132, 10072075, 10074016, 10075954, 10077890, 10079823, 10081754,
- 10083682, 10085608, 10087532, 10089453, 10091371, 10093287, 10095201,
- 10097112, 10099021, 10100928, 10102832, 10104733, 10106633, 10108529,
- 10110424, 10112316, 10114206, 10116093, 10117978, 10119861, 10121742,
- 10123620, 10125495, 10127369, 10129240, 10131109, 10132975, 10134839,
- 10136701, 10138561, 10140418, 10142273, 10144126, 10145976, 10147825,
- 10149671, 10151514, 10153356, 10155195, 10157032, 10158867, 10160699,
- 10162530, 10164358, 10166184, 10168007, 10169829, 10171648, 10173465,
- 10175280, 10177093, 10178904, 10180712, 10182519, 10184323, 10186125,
- 10187925, 10189722, 10191518, 10193311, 10195103, 10196892, 10198679,
- 10200464, 10202247, 10204028, 10205806, 10207583, 10209357, 10211130,
- 10212900, 10214668, 10216435, 10218199, 10219961, 10221721, 10223479,
- 10225235, 10226989, 10228741, 10230491, 10232239, 10233985, 10235728,
- 10237470, 10239210, 10240948, 10242684, 10244417, 10246149, 10247879,
- 10249607, 10251333, 10253057, 10254779, 10256499, 10258217, 10259933,
- 10261647, 10263360, 10265070, 10266778, 10268485, 10270189, 10271892,
- 10273593, 10275292, 10276988, 10278683, 10280376, 10282068, 10283757,
- 10285444, 10287130, 10288814, 10290495, 10292175, 10293853, 10295530,
- 10297204, 10298876, 10300547, 10302216, 10303883, 10305548, 10307211,
- 10308873, 10310532, 10312190, 10313846, 10315501, 10317153, 10318804,
- 10320452, 10322099, 10323745, 10325388, 10327030, 10328670, 10330308,
- 10331944, 10333578, 10335211, 10336842, 10338472, 10340099, 10341725,
- 10343349, 10344971, 10346592, 10348210, 10349828, 10351443, 10353057,
- 10354668, 10356279, 10357887, 10359494, 10361099, 10362702, 10364304,
- 10365904, 10367502, 10369099, 10370694, 10372287, 10373879, 10375468,
- 10377057, 10378643, 10380228, 10381811, 10383393, 10384973, 10386551,
- 10388128, 10389703, 10391276, 10392848, 10394418, 10395986, 10397553,
- 10399118, 10400682, 10402244, 10403804, 10405363, 10406920, 10408476,
- 10410030, 10411582, 10413133, 10414682, 10416230, 10417776, 10419320,
- 10420863, 10422404, 10423944, 10425482, 10427019, 10428554, 10430087,
- 10431619, 10433149, 10434678, 10436206, 10437731, 10439256, 10440778,
- 10442299, 10443819, 10445337, 10446854, 10448369, 10449882, 10451394,
- 10452905, 10454414, 10455921, 10457427, 10458932, 10460435, 10461936,
- 10463436, 10464935, 10466432, 10467927, 10469422, 10470914, 10472405,
- 10473895, 10475383, 10476870, 10478355, 10479839, 10481322, 10482802,
- 10484282,
-};
-
-#define LOG2_PRECISION 20
-static int64_t log2_approximation(int64_t v) {- assert(v > 0);
- if (v < LOG2_TABLE_SIZE) {- return log2_table[v];
- } else {- // use linear approximation when v >= 2^10
- const int slope =
- 1477; // slope = 1 / (log(2) * 1024) * (1 << LOG2_PRECISION)
- assert(LOG2_TABLE_SIZE == 1 << 10);
-
- return slope * (v - LOG2_TABLE_SIZE) + (10 << LOG2_PRECISION);
- }
-}
-
-int64_t vp9_nb_mvs_inconsistency(const MV *mv, const int_mv *nb_full_mvs,
- int mv_num) {- // The bahavior of this function is to compute log2 of mv difference,
- // i.e. min log2(1 + row_diff * row_diff + col_diff * col_diff)
- // against available neghbor mvs.
- // Since the log2 is monotonic increasing, we can compute
- // min row_diff * row_diff + col_diff * col_diff first
- // then apply log2 in the end
- int i;
- int64_t min_abs_diff = INT64_MAX;
- int cnt = 0;
- assert(mv_num <= NB_MVS_NUM);
- for (i = 0; i < mv_num; ++i) {- MV nb_mv = nb_full_mvs[i].as_mv;
- const int64_t row_diff = abs(mv->row - nb_mv.row);
- const int64_t col_diff = abs(mv->col - nb_mv.col);
- const int64_t abs_diff = row_diff * row_diff + col_diff * col_diff;
- assert(nb_full_mvs[i].as_int != INVALID_MV);
- min_abs_diff = VPXMIN(abs_diff, min_abs_diff);
- ++cnt;
- }
- if (cnt) {- return log2_approximation(1 + min_abs_diff);
- } else {- return 0;
- }
-}
-
static int64_t exhaustive_mesh_search_multi_step(
MV *best_mv, const MV *center_mv, int range, int step,
const struct buf_2d *src, const struct buf_2d *pre, int lambda,
--- a/vp9/encoder/vp9_mcomp.h
+++ b/vp9/encoder/vp9_mcomp.h
@@ -12,6 +12,9 @@
#define VPX_VP9_ENCODER_VP9_MCOMP_H_
#include "vp9/encoder/vp9_block.h"
+#if CONFIG_NON_GREEDY_MV
+#include "vp9/encoder/vp9_non_greedy_mv.h"
+#endif // CONFIG_NON_GREEDY_MV
#include "vpx_dsp/variance.h"
#ifdef __cplusplus
@@ -126,7 +129,6 @@
const MV *ref_mv);
#if CONFIG_NON_GREEDY_MV
-#define NB_MVS_NUM 4
struct TplDepStats;
int64_t vp9_refining_search_sad_new(const MACROBLOCK *x, MV *best_full_mv,
int lambda, int search_range,
@@ -140,8 +142,6 @@
const int_mv *nb_full_mvs, int full_mv_num,
MV *best_mv);
-int64_t vp9_nb_mvs_inconsistency(const MV *mv, const int_mv *nb_mvs,
- int mv_num);
static INLINE MV get_full_mv(const MV *mv) {MV out_mv;
out_mv.row = mv->row >> 3;
--- /dev/null
+++ b/vp9/encoder/vp9_non_greedy_mv.c
@@ -1,0 +1,207 @@
+/*
+ * Copyright (c) 2019 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "vp9/common/vp9_mv.h"
+#include "vp9/encoder/vp9_non_greedy_mv.h"
+// TODO(angiebird): move non_greedy_mv related functions to this file
+
+#define LOG2_TABLE_SIZE 1024
+static const int log2_table[LOG2_TABLE_SIZE] = {+ 0, // This is a dummy value
+ 0, 1048576, 1661954, 2097152, 2434718, 2710530, 2943725,
+ 3145728, 3323907, 3483294, 3627477, 3759106, 3880192, 3992301,
+ 4096672, 4194304, 4286015, 4372483, 4454275, 4531870, 4605679,
+ 4676053, 4743299, 4807682, 4869436, 4928768, 4985861, 5040877,
+ 5093962, 5145248, 5194851, 5242880, 5289431, 5334591, 5378443,
+ 5421059, 5462508, 5502851, 5542146, 5580446, 5617800, 5654255,
+ 5689851, 5724629, 5758625, 5791875, 5824409, 5856258, 5887450,
+ 5918012, 5947969, 5977344, 6006160, 6034437, 6062195, 6089453,
+ 6116228, 6142538, 6168398, 6193824, 6218829, 6243427, 6267632,
+ 6291456, 6314910, 6338007, 6360756, 6383167, 6405252, 6427019,
+ 6448477, 6469635, 6490501, 6511084, 6531390, 6551427, 6571202,
+ 6590722, 6609993, 6629022, 6647815, 6666376, 6684713, 6702831,
+ 6720734, 6738427, 6755916, 6773205, 6790299, 6807201, 6823917,
+ 6840451, 6856805, 6872985, 6888993, 6904834, 6920510, 6936026,
+ 6951384, 6966588, 6981641, 6996545, 7011304, 7025920, 7040397,
+ 7054736, 7068940, 7083013, 7096956, 7110771, 7124461, 7138029,
+ 7151476, 7164804, 7178017, 7191114, 7204100, 7216974, 7229740,
+ 7242400, 7254954, 7267405, 7279754, 7292003, 7304154, 7316208,
+ 7328167, 7340032, 7351805, 7363486, 7375079, 7386583, 7398000,
+ 7409332, 7420579, 7431743, 7442826, 7453828, 7464751, 7475595,
+ 7486362, 7497053, 7507669, 7518211, 7528680, 7539077, 7549404,
+ 7559660, 7569847, 7579966, 7590017, 7600003, 7609923, 7619778,
+ 7629569, 7639298, 7648964, 7658569, 7668114, 7677598, 7687023,
+ 7696391, 7705700, 7714952, 7724149, 7733289, 7742375, 7751407,
+ 7760385, 7769310, 7778182, 7787003, 7795773, 7804492, 7813161,
+ 7821781, 7830352, 7838875, 7847350, 7855777, 7864158, 7872493,
+ 7880782, 7889027, 7897226, 7905381, 7913492, 7921561, 7929586,
+ 7937569, 7945510, 7953410, 7961268, 7969086, 7976864, 7984602,
+ 7992301, 7999960, 8007581, 8015164, 8022709, 8030217, 8037687,
+ 8045121, 8052519, 8059880, 8067206, 8074496, 8081752, 8088973,
+ 8096159, 8103312, 8110431, 8117516, 8124569, 8131589, 8138576,
+ 8145532, 8152455, 8159347, 8166208, 8173037, 8179836, 8186605,
+ 8193343, 8200052, 8206731, 8213380, 8220001, 8226593, 8233156,
+ 8239690, 8246197, 8252676, 8259127, 8265550, 8271947, 8278316,
+ 8284659, 8290976, 8297266, 8303530, 8309768, 8315981, 8322168,
+ 8328330, 8334467, 8340579, 8346667, 8352730, 8358769, 8364784,
+ 8370775, 8376743, 8382687, 8388608, 8394506, 8400381, 8406233,
+ 8412062, 8417870, 8423655, 8429418, 8435159, 8440878, 8446576,
+ 8452252, 8457908, 8463542, 8469155, 8474748, 8480319, 8485871,
+ 8491402, 8496913, 8502404, 8507875, 8513327, 8518759, 8524171,
+ 8529564, 8534938, 8540293, 8545629, 8550947, 8556245, 8561525,
+ 8566787, 8572031, 8577256, 8582464, 8587653, 8592825, 8597980,
+ 8603116, 8608236, 8613338, 8618423, 8623491, 8628542, 8633576,
+ 8638593, 8643594, 8648579, 8653547, 8658499, 8663434, 8668354,
+ 8673258, 8678145, 8683017, 8687874, 8692715, 8697540, 8702350,
+ 8707145, 8711925, 8716690, 8721439, 8726174, 8730894, 8735599,
+ 8740290, 8744967, 8749628, 8754276, 8758909, 8763528, 8768134,
+ 8772725, 8777302, 8781865, 8786415, 8790951, 8795474, 8799983,
+ 8804478, 8808961, 8813430, 8817886, 8822328, 8826758, 8831175,
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+ 10377057, 10378643, 10380228, 10381811, 10383393, 10384973, 10386551,
+ 10388128, 10389703, 10391276, 10392848, 10394418, 10395986, 10397553,
+ 10399118, 10400682, 10402244, 10403804, 10405363, 10406920, 10408476,
+ 10410030, 10411582, 10413133, 10414682, 10416230, 10417776, 10419320,
+ 10420863, 10422404, 10423944, 10425482, 10427019, 10428554, 10430087,
+ 10431619, 10433149, 10434678, 10436206, 10437731, 10439256, 10440778,
+ 10442299, 10443819, 10445337, 10446854, 10448369, 10449882, 10451394,
+ 10452905, 10454414, 10455921, 10457427, 10458932, 10460435, 10461936,
+ 10463436, 10464935, 10466432, 10467927, 10469422, 10470914, 10472405,
+ 10473895, 10475383, 10476870, 10478355, 10479839, 10481322, 10482802,
+ 10484282,
+};
+
+static int64_t log2_approximation(int64_t v) {+ assert(v > 0);
+ if (v < LOG2_TABLE_SIZE) {+ return log2_table[v];
+ } else {+ // use linear approximation when v >= 2^10
+ const int slope =
+ 1477; // slope = 1 / (log(2) * 1024) * (1 << LOG2_PRECISION)
+ assert(LOG2_TABLE_SIZE == 1 << 10);
+
+ return slope * (v - LOG2_TABLE_SIZE) + (10 << LOG2_PRECISION);
+ }
+}
+
+int64_t vp9_nb_mvs_inconsistency(const MV *mv, const int_mv *nb_full_mvs,
+ int mv_num) {+ // The bahavior of this function is to compute log2 of mv difference,
+ // i.e. min log2(1 + row_diff * row_diff + col_diff * col_diff)
+ // against available neghbor mvs.
+ // Since the log2 is monotonic increasing, we can compute
+ // min row_diff * row_diff + col_diff * col_diff first
+ // then apply log2 in the end
+ int i;
+ int64_t min_abs_diff = INT64_MAX;
+ int cnt = 0;
+ assert(mv_num <= NB_MVS_NUM);
+ for (i = 0; i < mv_num; ++i) {+ MV nb_mv = nb_full_mvs[i].as_mv;
+ const int64_t row_diff = abs(mv->row - nb_mv.row);
+ const int64_t col_diff = abs(mv->col - nb_mv.col);
+ const int64_t abs_diff = row_diff * row_diff + col_diff * col_diff;
+ assert(nb_full_mvs[i].as_int != INVALID_MV);
+ min_abs_diff = VPXMIN(abs_diff, min_abs_diff);
+ ++cnt;
+ }
+ if (cnt) {+ return log2_approximation(1 + min_abs_diff);
+ } else {+ return 0;
+ }
+}
--- /dev/null
+++ b/vp9/encoder/vp9_non_greedy_mv.h
@@ -1,0 +1,27 @@
+/*
+ * Copyright (c) 2019 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_VP9_ENCODER_VP9_NON_GREEDY_MV_H_
+#define VPX_VP9_ENCODER_VP9_NON_GREEDY_MV_H_
+
+#ifdef __cplusplus
+extern "C" {+#endif
+
+#define NB_MVS_NUM 4
+#define LOG2_PRECISION 20
+
+int64_t vp9_nb_mvs_inconsistency(const MV *mv, const int_mv *nb_full_mvs,
+ int mv_num);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+#endif // VPX_VP9_ENCODER_VP9_NON_GREEDY_MV_H_
--- a/vp9/encoder/vp9_rd.h
+++ b/vp9/encoder/vp9_rd.h
@@ -38,8 +38,6 @@
#define MV_COST_WEIGHT 108
#define MV_COST_WEIGHT_SUB 120
-#define INVALID_MV 0x80008000
-
#define MAX_MODES 30
#define MAX_REFS 6
--- a/vp9/vp9cx.mk
+++ b/vp9/vp9cx.mk
@@ -76,6 +76,8 @@
VP9_CX_SRCS-yes += encoder/vp9_resize.h
VP9_CX_SRCS-$(CONFIG_INTERNAL_STATS) += encoder/vp9_blockiness.c
VP9_CX_SRCS-$(CONFIG_INTERNAL_STATS) += encoder/vp9_blockiness.h
+VP9_CX_SRCS-$(CONFIG_NON_GREEDY_MV) += encoder/vp9_non_greedy_mv.c
+VP9_CX_SRCS-$(CONFIG_NON_GREEDY_MV) += encoder/vp9_non_greedy_mv.h
VP9_CX_SRCS-yes += encoder/vp9_tokenize.c
VP9_CX_SRCS-yes += encoder/vp9_treewriter.c