AOMedia AV1 Codec: av1/encoder/pickcdef.h Source File

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pickcdef.h
1 /*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11 #ifndef AOM_AV1_ENCODER_PICKCDEF_H_
12 #define AOM_AV1_ENCODER_PICKCDEF_H_
13
14 #include "av1/common/cdef.h"
15 #include "av1/encoder/speed_features.h"
16
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20
22 struct MultiThreadInfo;
23
24 #define REDUCED_PRI_STRENGTHS_LVL1 8
25 #define REDUCED_PRI_STRENGTHS_LVL2 5
26 #define REDUCED_SEC_STRENGTHS_LVL3 2
27 #define REDUCED_PRI_STRENGTHS_LVL4 2
28
29 #define REDUCED_TOTAL_STRENGTHS_LVL1 \
30 (REDUCED_PRI_STRENGTHS_LVL1 * CDEF_SEC_STRENGTHS)
31 #define REDUCED_TOTAL_STRENGTHS_LVL2 \
32 (REDUCED_PRI_STRENGTHS_LVL2 * CDEF_SEC_STRENGTHS)
33 #define REDUCED_TOTAL_STRENGTHS_LVL3 \
34 (REDUCED_PRI_STRENGTHS_LVL2 * REDUCED_SEC_STRENGTHS_LVL3)
35 #define REDUCED_TOTAL_STRENGTHS_LVL4 \
36 (REDUCED_PRI_STRENGTHS_LVL4 * REDUCED_SEC_STRENGTHS_LVL3)
37 #define TOTAL_STRENGTHS (CDEF_PRI_STRENGTHS * CDEF_SEC_STRENGTHS)
38
39 static const int priconv_lvl1[REDUCED_PRI_STRENGTHS_LVL1] = { 0, 1, 2, 3,
40 5, 7, 10, 13 };
41 static const int priconv_lvl2[REDUCED_PRI_STRENGTHS_LVL2] = { 0, 2, 4, 8, 14 };
42 static const int priconv_lvl4[REDUCED_PRI_STRENGTHS_LVL4] = { 0, 11 };
43 static const int secconv_lvl3[REDUCED_SEC_STRENGTHS_LVL3] = { 0, 2 };
44 static const int nb_cdef_strengths[CDEF_PICK_METHODS] = {
45 TOTAL_STRENGTHS,
46 REDUCED_TOTAL_STRENGTHS_LVL1,
47 REDUCED_TOTAL_STRENGTHS_LVL2,
48 REDUCED_TOTAL_STRENGTHS_LVL3,
49 REDUCED_TOTAL_STRENGTHS_LVL4,
50 TOTAL_STRENGTHS
51 };
52
53 typedef void (*copy_fn_t)(uint16_t *dst, int dstride, const void *src,
54 int src_voffset, int src_hoffset, int sstride,
55 int vsize, int hsize);
56 typedef uint64_t (*compute_cdef_dist_t)(void *dst, int dstride, uint16_t *src,
57 cdef_list *dlist, int cdef_count,
58 BLOCK_SIZE bsize, int coeff_shift,
59 int row, int col);
60
61 // Data related to CDEF search multi-thread synchronization.
62 typedef struct AV1CdefSyncData {
63 #if CONFIG_MULTITHREAD
64 // Mutex lock used while dispatching jobs.
65 pthread_mutex_t *mutex_;
66 #endif // CONFIG_MULTITHREAD
67 // Flag to indicate all blocks are processed and end of frame is reached
68 int end_of_frame;
69 // Row index in units of 64x64 block
70 int fbr;
71 // Column index in units of 64x64 block
72 int fbc;
73 } AV1CdefSync;
74
77 typedef struct {
81 const YV12_BUFFER_CONFIG *ref;
85 CommonModeInfoParams *mi_params;
89 struct macroblockd_plane plane[MAX_MB_PLANE];
93 copy_fn_t copy_fn;
97 compute_cdef_dist_t compute_cdef_dist_fn;
101 int total_strengths;
105 int coeff_shift;
109 int damping;
113 int pick_method;
117 int num_planes;
122 int mi_wide_l2[MAX_MB_PLANE];
127 int mi_high_l2[MAX_MB_PLANE];
132 int xdec[MAX_MB_PLANE];
137 int ydec[MAX_MB_PLANE];
141 int bsize[MAX_MB_PLANE];
145 int nvfb;
149 int nhfb;
156 uint64_t (*mse[2])[TOTAL_STRENGTHS];
161 int *sb_index;
165 int sb_count;
166 } CdefSearchCtx;
167
168 static INLINE int sb_all_skip(const CommonModeInfoParams *const mi_params,
169 int mi_row, int mi_col) {
170 const int maxr = AOMMIN(mi_params->mi_rows - mi_row, MI_SIZE_64X64);
171 const int maxc = AOMMIN(mi_params->mi_cols - mi_col, MI_SIZE_64X64);
172 const int stride = mi_params->mi_stride;
173 MB_MODE_INFO **mbmi = mi_params->mi_grid_base + mi_row * stride + mi_col;
174 for (int r = 0; r < maxr; ++r, mbmi += stride) {
175 for (int c = 0; c < maxc; ++c) {
176 if (!mbmi[c]->skip_txfm) return 0;
177 }
178 }
179 return 1;
180 }
181
182 // Checks if cdef processing can be skipped for particular sb.
183 // Inputs:
184 // cdef_search_ctx: Pointer to the structure containing parameters related to
185 // CDEF search context.
186 // fbr: Row index in units of 64x64 block
187 // fbc: Column index in units of 64x64 block
188 // Returns:
189 // 1/0 will be returned to indicate skip/don't skip cdef processing of sb
190 // respectively.
191 static INLINE int cdef_sb_skip(const CommonModeInfoParams *const mi_params,
192 int fbr, int fbc) {
193 const MB_MODE_INFO *const mbmi =
194 mi_params->mi_grid_base[MI_SIZE_64X64 * fbr * mi_params->mi_stride +
195 MI_SIZE_64X64 * fbc];
196 // No filtering if the entire filter block is skipped.
197 if (sb_all_skip(mi_params, fbr * MI_SIZE_64X64, fbc * MI_SIZE_64X64))
198 return 1;
199 // Skip odd numbered 64x64 block rows(cols) when bsize is BLOCK_128X128,
200 // BLOCK_64X128(BLOCK_128X128, BLOCK_128X64) as for such blocks CDEF filtering
201 // is done at the corresponding block sizes.
202 if (((fbc & 1) &&
203 (mbmi->bsize == BLOCK_128X128 || mbmi->bsize == BLOCK_128X64)) ||
204 ((fbr & 1) &&
205 (mbmi->bsize == BLOCK_128X128 || mbmi->bsize == BLOCK_64X128)))
206 return 1;
207 return 0;
208 }
209
210 void av1_cdef_mse_calc_block(CdefSearchCtx *cdef_search_ctx, int fbr, int fbc,
211 int sb_count);
239 void av1_cdef_search(struct MultiThreadInfo *mt_info,
240 const YV12_BUFFER_CONFIG *frame,
241 const YV12_BUFFER_CONFIG *ref, AV1_COMMON *cm,
242 MACROBLOCKD *xd, CDEF_PICK_METHOD pick_method, int rdmult);
243
244 #ifdef __cplusplus
245 } // extern "C"
246 #endif
247 #endif // AOM_AV1_ENCODER_PICKCDEF_H_
av1_cdef_search
void av1_cdef_search(struct MultiThreadInfo *mt_info, const YV12_BUFFER_CONFIG *frame, const YV12_BUFFER_CONFIG *ref, AV1_COMMON *cm, MACROBLOCKD *xd, CDEF_PICK_METHOD pick_method, int rdmult)
AV1 CDEF parameter search.
speed_features.h
CDEF_PICK_METHOD
CDEF_PICK_METHOD
This enumeration defines a variety of CDEF pick methods.
Definition: speed_features.h:156
AV1Common
Top level common structure used by both encoder and decoder.
Definition: av1_common_int.h:725
CommonModeInfoParams
Params related to MB_MODE_INFO arrays and related info.
Definition: av1_common_int.h:479
CommonModeInfoParams::mi_rows
int mi_rows
Definition: av1_common_int.h:500
CommonModeInfoParams::mi_cols
int mi_cols
Definition: av1_common_int.h:505
CommonModeInfoParams::mi_stride
int mi_stride
Definition: av1_common_int.h:545
CommonModeInfoParams::mi_grid_base
MB_MODE_INFO ** mi_grid_base
Definition: av1_common_int.h:537
MB_MODE_INFO
Stores the prediction/txfm mode of the current coding block.
Definition: blockd.h:216
MB_MODE_INFO::bsize
BLOCK_SIZE bsize
The block size of the current coding block.
Definition: blockd.h:222
MultiThreadInfo
Encoder parameters related to multi-threading.
Definition: encoder.h:1375
macroblockd
Variables related to current coding block.
Definition: blockd.h:568
yv12_buffer_config
YV12 frame buffer data structure.
Definition: yv12config.h:38