Imported Upstream version 1.4
[deb_x265.git] / source / encoder / motion.h
CommitLineData
72b9787e
JB
1/*****************************************************************************
2 * Copyright (C) 2013 x265 project
3 *
4 * Authors: Steve Borho <steve@borho.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
19 *
20 * This program is also available under a commercial proprietary license.
21 * For more information, contact us at license @ x265.com.
22 *****************************************************************************/
23
24#ifndef X265_MOTIONESTIMATE_H
25#define X265_MOTIONESTIMATE_H
26
27#include "primitives.h"
28#include "reference.h"
29#include "mv.h"
30#include "bitcost.h"
31
32namespace x265 {
33// private x265 namespace
34
35class MotionEstimate : public BitCost
36{
37protected:
38
39 /* Aligned copy of original pixels, extra room for manual alignment */
40 pixel *fencplane;
41 intptr_t fencLumaStride;
42
43 pixelcmp_t sad;
44 pixelcmp_t satd;
45 pixelcmp_t sa8d;
46 pixelcmp_x3_t sad_x3;
47 pixelcmp_x4_t sad_x4;
48
49 intptr_t blockOffset;
50 int partEnum;
51 int searchMethod;
52 int subpelRefine;
53
54 /* subpel generation buffers */
55 int blockwidth;
56 int blockheight;
57
58 MotionEstimate& operator =(const MotionEstimate&);
59
60public:
61
62 static const int COST_MAX = 1 << 28;
63
64 pixel *fenc;
65
66 MotionEstimate();
67
68 ~MotionEstimate();
69
70 void setSearchMethod(int i) { searchMethod = i; }
71
72 void setSubpelRefine(int i) { subpelRefine = i; }
73
74 /* Methods called at slice setup */
75
76 void setSourcePlane(pixel *Y, intptr_t luma)
77 {
78 fencplane = Y;
79 fencLumaStride = luma;
80 }
81
82 void setSourcePU(intptr_t offset, int pwidth, int pheight);
83
84 /* buf*() and motionEstimate() methods all use cached fenc pixels and thus
85 * require setSourcePU() to be called prior. */
86
87 inline int bufSAD(pixel *fref, intptr_t stride) { return sad(fenc, FENC_STRIDE, fref, stride); }
88
89 inline int bufSA8D(pixel *fref, intptr_t stride) { return sa8d(fenc, FENC_STRIDE, fref, stride); }
90
91 inline int bufSATD(pixel *fref, intptr_t stride) { return satd(fenc, FENC_STRIDE, fref, stride); }
92
93 int motionEstimate(ReferencePlanes *ref, const MV & mvmin, const MV & mvmax, const MV & qmvp, int numCandidates, const MV * mvc, int merange, MV & outQMv);
94
95 int subpelCompare(ReferencePlanes * ref, const MV &qmv, pixelcmp_t);
96
97protected:
98
99 inline void StarPatternSearch(ReferencePlanes *ref,
100 const MV & mvmin,
101 const MV & mvmax,
102 MV & bmv,
103 int & bcost,
104 int & bPointNr,
105 int & bDistance,
106 int earlyExitIters,
107 int merange);
108};
109}
110
111#endif // ifndef X265_MOTIONESTIMATE_H