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1 /* | 1 /* |
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 | 11 |
12 #ifndef VP9_COMMON_VP9_FINDNEARMV_H_ | 12 #ifndef VP9_COMMON_VP9_FINDNEARMV_H_ |
13 #define VP9_COMMON_VP9_FINDNEARMV_H_ | 13 #define VP9_COMMON_VP9_FINDNEARMV_H_ |
14 | 14 |
15 #include "vp9/common/vp9_mv.h" | 15 #include "vp9/common/vp9_mv.h" |
16 #include "vp9/common/vp9_blockd.h" | 16 #include "vp9/common/vp9_blockd.h" |
17 #include "vp9/common/vp9_treecoder.h" | 17 #include "vp9/common/vp9_treecoder.h" |
18 #include "vp9/common/vp9_onyxc_int.h" | 18 #include "vp9/common/vp9_onyxc_int.h" |
19 | 19 |
20 /* check a list of motion vectors by sad score using a number rows of pixels | 20 /* check a list of motion vectors by sad score using a number rows of pixels |
21 * above and a number cols of pixels in the left to select the one with best | 21 * above and a number cols of pixels in the left to select the one with best |
22 * score to use as ref motion vector | 22 * score to use as ref motion vector |
23 */ | 23 */ |
24 void vp9_find_best_ref_mvs(MACROBLOCKD *xd, | 24 void vp9_find_best_ref_mvs(MACROBLOCKD *xd, |
25 unsigned char *ref_y_buffer, | 25 uint8_t *ref_y_buffer, |
26 int ref_y_stride, | 26 int ref_y_stride, |
27 int_mv *mvlist, | 27 int_mv *mvlist, |
28 int_mv *best_mv, | |
29 int_mv *nearest, | 28 int_mv *nearest, |
30 int_mv *near); | 29 int_mv *near); |
31 | 30 |
32 static void mv_bias(int refmb_ref_frame_sign_bias, int refframe, int_mv *mvp, co
nst int *ref_frame_sign_bias) { | 31 static void mv_bias(int refmb_ref_frame_sign_bias, int refframe, int_mv *mvp, co
nst int *ref_frame_sign_bias) { |
33 MV xmv; | 32 MV xmv; |
34 xmv = mvp->as_mv; | 33 xmv = mvp->as_mv; |
35 | 34 |
36 if (refmb_ref_frame_sign_bias != ref_frame_sign_bias[refframe]) { | 35 if (refmb_ref_frame_sign_bias != ref_frame_sign_bias[refframe]) { |
37 xmv.row *= -1; | 36 xmv.row *= -1; |
38 xmv.col *= -1; | 37 xmv.col *= -1; |
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75 return (mv->as_mv.col < mb_to_left_edge) || | 74 return (mv->as_mv.col < mb_to_left_edge) || |
76 (mv->as_mv.col > mb_to_right_edge) || | 75 (mv->as_mv.col > mb_to_right_edge) || |
77 (mv->as_mv.row < mb_to_top_edge) || | 76 (mv->as_mv.row < mb_to_top_edge) || |
78 (mv->as_mv.row > mb_to_bottom_edge); | 77 (mv->as_mv.row > mb_to_bottom_edge); |
79 } | 78 } |
80 | 79 |
81 vp9_prob *vp9_mv_ref_probs(VP9_COMMON *pc, | 80 vp9_prob *vp9_mv_ref_probs(VP9_COMMON *pc, |
82 vp9_prob p[VP9_MVREFS - 1], | 81 vp9_prob p[VP9_MVREFS - 1], |
83 const int context); | 82 const int context); |
84 | 83 |
85 extern const unsigned char vp9_mbsplit_offset[4][16]; | 84 extern const uint8_t vp9_mbsplit_offset[4][16]; |
86 | 85 |
87 static int left_block_mv(const MODE_INFO *cur_mb, int b) { | 86 static int left_block_mv(const MODE_INFO *cur_mb, int b) { |
88 if (!(b & 3)) { | 87 if (!(b & 3)) { |
89 /* On L edge, get from MB to left of us */ | 88 /* On L edge, get from MB to left of us */ |
90 --cur_mb; | 89 --cur_mb; |
91 | 90 |
92 if (cur_mb->mbmi.mode != SPLITMV) | 91 if (cur_mb->mbmi.mode != SPLITMV) |
93 return cur_mb->mbmi.mv[0].as_int; | 92 return cur_mb->mbmi.mv[0].as_int; |
94 b += 4; | 93 b += 4; |
95 } | 94 } |
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175 } else if (cur_mb->mbmi.mode == B_PRED) { | 174 } else if (cur_mb->mbmi.mode == B_PRED) { |
176 return ((cur_mb->bmi + 12 + b)->as_mode.first); | 175 return ((cur_mb->bmi + 12 + b)->as_mode.first); |
177 } else { | 176 } else { |
178 return B_DC_PRED; | 177 return B_DC_PRED; |
179 } | 178 } |
180 } | 179 } |
181 | 180 |
182 return (cur_mb->bmi + b - 4)->as_mode.first; | 181 return (cur_mb->bmi + b - 4)->as_mode.first; |
183 } | 182 } |
184 | 183 |
185 #endif | 184 #endif // VP9_COMMON_VP9_FINDNEARMV_H_ |
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