alloccommon.c 9.88 KB
Newer Older
Jingning Han's avatar
Jingning Han committed
1
/*
2
 *
Yaowu Xu's avatar
Yaowu Xu committed
3
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
Jingning Han's avatar
Jingning Han committed
4
 *
Yaowu Xu's avatar
Yaowu Xu committed
5
6
7
8
9
10
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
Jingning Han's avatar
Jingning Han committed
11
12
 */

Yaowu Xu's avatar
Yaowu Xu committed
13
14
#include "./aom_config.h"
#include "aom_mem/aom_mem.h"
Jingning Han's avatar
Jingning Han committed
15

16
17
18
19
20
#include "av1/common/alloccommon.h"
#include "av1/common/blockd.h"
#include "av1/common/entropymode.h"
#include "av1/common/entropymv.h"
#include "av1/common/onyxc_int.h"
Jingning Han's avatar
Jingning Han committed
21

22
23
24
25
26
27
28
29
30
31
32
int av1_get_MBs(int width, int height) {
  const int aligned_width = ALIGN_POWER_OF_TWO(width, 3);
  const int aligned_height = ALIGN_POWER_OF_TWO(height, 3);
  const int mi_cols = aligned_width >> MI_SIZE_LOG2;
  const int mi_rows = aligned_height >> MI_SIZE_LOG2;

  const int mb_cols = (mi_cols + 2) >> 2;
  const int mb_rows = (mi_rows + 2) >> 2;
  return mb_rows * mb_cols;
}

Yaowu Xu's avatar
Yaowu Xu committed
33
void av1_set_mb_mi(AV1_COMMON *cm, int width, int height) {
34
35
36
37
38
  // Ensure that the decoded width and height are both multiples of
  // 8 luma pixels (note: this may only be a multiple of 4 chroma pixels if
  // subsampling is used).
  // This simplifies the implementation of various experiments,
  // eg. cdef, which operates on units of 8x8 luma pixels.
39
40
  const int aligned_width = ALIGN_POWER_OF_TWO(width, 3);
  const int aligned_height = ALIGN_POWER_OF_TWO(height, 3);
Jingning Han's avatar
Jingning Han committed
41
42
43
44
45

  cm->mi_cols = aligned_width >> MI_SIZE_LOG2;
  cm->mi_rows = aligned_height >> MI_SIZE_LOG2;
  cm->mi_stride = calc_mi_size(cm->mi_cols);

46
47
  cm->mb_cols = (cm->mi_cols + 2) >> 2;
  cm->mb_rows = (cm->mi_rows + 2) >> 2;
Jingning Han's avatar
Jingning Han committed
48
49
50
  cm->MBs = cm->mb_rows * cm->mb_cols;
}

Yaowu Xu's avatar
Yaowu Xu committed
51
static int alloc_seg_map(AV1_COMMON *cm, int seg_map_size) {
Jingning Han's avatar
Jingning Han committed
52
53
54
  int i;

  for (i = 0; i < NUM_PING_PONG_BUFFERS; ++i) {
Yaowu Xu's avatar
Yaowu Xu committed
55
    cm->seg_map_array[i] = (uint8_t *)aom_calloc(seg_map_size, 1);
clang-format's avatar
clang-format committed
56
    if (cm->seg_map_array[i] == NULL) return 1;
Jingning Han's avatar
Jingning Han committed
57
58
59
60
61
62
63
64
65
66
67
68
69
70
  }
  cm->seg_map_alloc_size = seg_map_size;

  // Init the index.
  cm->seg_map_idx = 0;
  cm->prev_seg_map_idx = 1;

  cm->current_frame_seg_map = cm->seg_map_array[cm->seg_map_idx];
  if (!cm->frame_parallel_decode)
    cm->last_frame_seg_map = cm->seg_map_array[cm->prev_seg_map_idx];

  return 0;
}

Yaowu Xu's avatar
Yaowu Xu committed
71
static void free_seg_map(AV1_COMMON *cm) {
Jingning Han's avatar
Jingning Han committed
72
73
74
  int i;

  for (i = 0; i < NUM_PING_PONG_BUFFERS; ++i) {
Yaowu Xu's avatar
Yaowu Xu committed
75
    aom_free(cm->seg_map_array[i]);
Jingning Han's avatar
Jingning Han committed
76
77
78
79
80
81
82
83
    cm->seg_map_array[i] = NULL;
  }

  cm->current_frame_seg_map = NULL;

  if (!cm->frame_parallel_decode) {
    cm->last_frame_seg_map = NULL;
  }
84
  cm->seg_map_alloc_size = 0;
Jingning Han's avatar
Jingning Han committed
85
86
}

87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
static void free_scratch_buffers(AV1_COMMON *cm) {
  (void)cm;
#if CONFIG_NCOBMC && CONFIG_NCOBMC_ADAPT_WEIGHT
  for (int i = 0; i < 4; ++i) {
    if (cm->ncobmcaw_buf[i]) {
      aom_free(cm->ncobmcaw_buf[i]);
      cm->ncobmcaw_buf[i] = NULL;
    }
  }
#endif  // CONFIG_NCOBMC && CONFIG_NCOBMC_ADAPT_WEIGHT
}

static int alloc_scratch_buffers(AV1_COMMON *cm) {
  (void)cm;
#if CONFIG_NCOBMC && CONFIG_NCOBMC_ADAPT_WEIGHT
  // If not allocated already, allocate
  if (!cm->ncobmcaw_buf[0] && !cm->ncobmcaw_buf[1] && !cm->ncobmcaw_buf[2] &&
      !cm->ncobmcaw_buf[3]) {
    for (int i = 0; i < 4; ++i) {
      CHECK_MEM_ERROR(
          cm, cm->ncobmcaw_buf[i],
          (uint8_t *)aom_memalign(
              16, (1 + CONFIG_HIGHBITDEPTH) * MAX_MB_PLANE * MAX_SB_SQUARE));
    }
  }
#endif  // CONFIG_NCOBMC && CONFIG_NCOBMC_ADAPT_WEIGHT
  return 0;
}

Yaowu Xu's avatar
Yaowu Xu committed
116
void av1_free_ref_frame_buffers(BufferPool *pool) {
Jingning Han's avatar
Jingning Han committed
117
118
119
120
121
122
123
124
  int i;

  for (i = 0; i < FRAME_BUFFERS; ++i) {
    if (pool->frame_bufs[i].ref_count > 0 &&
        pool->frame_bufs[i].raw_frame_buffer.data != NULL) {
      pool->release_fb_cb(pool->cb_priv, &pool->frame_bufs[i].raw_frame_buffer);
      pool->frame_bufs[i].ref_count = 0;
    }
Yaowu Xu's avatar
Yaowu Xu committed
125
    aom_free(pool->frame_bufs[i].mvs);
Jingning Han's avatar
Jingning Han committed
126
    pool->frame_bufs[i].mvs = NULL;
Yaowu Xu's avatar
Yaowu Xu committed
127
    aom_free_frame_buffer(&pool->frame_bufs[i].buf);
128
129
130
#if CONFIG_HASH_ME
    av1_hash_table_destroy(&pool->frame_bufs[i].hash_table);
#endif
Jingning Han's avatar
Jingning Han committed
131
132
133
  }
}

Debargha Mukherjee's avatar
Debargha Mukherjee committed
134
#if CONFIG_LOOP_RESTORATION
135
// Assumes cm->rst_info[p].restoration_tilesize is already initialized
136
void av1_alloc_restoration_buffers(AV1_COMMON *cm) {
137
  int p;
138
139
140
141
142
143
144
145
#if CONFIG_FRAME_SUPERRES
  int width = cm->superres_upscaled_width;
  int height = cm->superres_upscaled_height;
#else
  int width = cm->width;
  int height = cm->height;
#endif  // CONFIG_FRAME_SUPERRES
  av1_alloc_restoration_struct(cm, &cm->rst_info[0], width, height);
146
  for (p = 1; p < MAX_MB_PLANE; ++p)
147
148
149
    av1_alloc_restoration_struct(cm, &cm->rst_info[p],
                                 ROUND_POWER_OF_TWO(width, cm->subsampling_x),
                                 ROUND_POWER_OF_TWO(height, cm->subsampling_y));
150
151
  aom_free(cm->rst_tmpbuf);
  CHECK_MEM_ERROR(cm, cm->rst_tmpbuf,
Yaowu Xu's avatar
Yaowu Xu committed
152
                  (int32_t *)aom_memalign(16, RESTORATION_TMPBUF_SIZE));
153
154
155
156
157
158

#if CONFIG_STRIPED_LOOP_RESTORATION
  // Allocate internal storage for the loop restoration stripe boundary lines
  for (p = 0; p < MAX_MB_PLANE; ++p) {
    int w = p == 0 ? width : ROUND_POWER_OF_TWO(width, cm->subsampling_x);
    int align_bits = 5;  // align for efficiency
159
    int stride = ALIGN_POWER_OF_TWO(w + 2 * RESTORATION_EXTRA_HORZ, align_bits);
160
161
162
163
164
    int num_stripes = (height + 63) / 64;
    // for each processing stripe: 2 lines above, 2 below
    int buf_size = num_stripes * 2 * stride;
    uint8_t *above_buf, *below_buf;

165
166
167
    RestorationStripeBoundaries *boundaries = &cm->rst_info[p].boundaries;
    aom_free(boundaries->stripe_boundary_above);
    aom_free(boundaries->stripe_boundary_below);
168
169
170
171
172
173
174
175

#if CONFIG_HIGHBITDEPTH
    if (cm->use_highbitdepth) buf_size = buf_size * 2;
#endif
    CHECK_MEM_ERROR(cm, above_buf,
                    (uint8_t *)aom_memalign(1 << align_bits, buf_size));
    CHECK_MEM_ERROR(cm, below_buf,
                    (uint8_t *)aom_memalign(1 << align_bits, buf_size));
176
177
178
    boundaries->stripe_boundary_above = above_buf;
    boundaries->stripe_boundary_below = below_buf;
    boundaries->stripe_boundary_stride = stride;
179
180
  }
#endif  // CONFIG_STRIPED_LOOP_RESTORATION
181
182
}

Yaowu Xu's avatar
Yaowu Xu committed
183
void av1_free_restoration_buffers(AV1_COMMON *cm) {
184
185
186
  int p;
  for (p = 0; p < MAX_MB_PLANE; ++p)
    av1_free_restoration_struct(&cm->rst_info[p]);
187
188
  aom_free(cm->rst_tmpbuf);
  cm->rst_tmpbuf = NULL;
189
190
191
192
193
194
195
196
197
#if CONFIG_STRIPED_LOOP_RESTORATION
  for (p = 0; p < MAX_MB_PLANE; ++p) {
    RestorationStripeBoundaries *boundaries = &cm->rst_info[p].boundaries;
    aom_free(boundaries->stripe_boundary_above);
    aom_free(boundaries->stripe_boundary_below);
    boundaries->stripe_boundary_above = NULL;
    boundaries->stripe_boundary_below = NULL;
  }
#endif
Debargha Mukherjee's avatar
Debargha Mukherjee committed
198
199
200
}
#endif  // CONFIG_LOOP_RESTORATION

Yaowu Xu's avatar
Yaowu Xu committed
201
void av1_free_context_buffers(AV1_COMMON *cm) {
202
  int i;
Jingning Han's avatar
Jingning Han committed
203
204
  cm->free_mi(cm);
  free_seg_map(cm);
205
  free_scratch_buffers(cm);
clang-format's avatar
clang-format committed
206
  for (i = 0; i < MAX_MB_PLANE; i++) {
Yaowu Xu's avatar
Yaowu Xu committed
207
    aom_free(cm->above_context[i]);
208
209
    cm->above_context[i] = NULL;
  }
Yaowu Xu's avatar
Yaowu Xu committed
210
  aom_free(cm->above_seg_context);
Jingning Han's avatar
Jingning Han committed
211
  cm->above_seg_context = NULL;
212
  cm->above_context_alloc_cols = 0;
Yaowu Xu's avatar
Yaowu Xu committed
213
  aom_free(cm->above_txfm_context);
214
  cm->above_txfm_context = NULL;
215
216
217
218
219

  for (i = 0; i < MAX_MB_PLANE; ++i) {
    aom_free(cm->top_txfm_context[i]);
    cm->top_txfm_context[i] = NULL;
  }
Jingning Han's avatar
Jingning Han committed
220
221
}

Yaowu Xu's avatar
Yaowu Xu committed
222
int av1_alloc_context_buffers(AV1_COMMON *cm, int width, int height) {
Jingning Han's avatar
Jingning Han committed
223
224
  int new_mi_size;

Yaowu Xu's avatar
Yaowu Xu committed
225
  av1_set_mb_mi(cm, width, height);
Jingning Han's avatar
Jingning Han committed
226
227
228
  new_mi_size = cm->mi_stride * calc_mi_size(cm->mi_rows);
  if (cm->mi_alloc_size < new_mi_size) {
    cm->free_mi(cm);
clang-format's avatar
clang-format committed
229
    if (cm->alloc_mi(cm, new_mi_size)) goto fail;
Jingning Han's avatar
Jingning Han committed
230
231
232
233
234
  }

  if (cm->seg_map_alloc_size < cm->mi_rows * cm->mi_cols) {
    // Create the segmentation map structure and set to 0.
    free_seg_map(cm);
clang-format's avatar
clang-format committed
235
    if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols)) goto fail;
Jingning Han's avatar
Jingning Han committed
236
  }
237
  if (alloc_scratch_buffers(cm)) goto fail;
Jingning Han's avatar
Jingning Han committed
238
239

  if (cm->above_context_alloc_cols < cm->mi_cols) {
240
241
242
    // TODO(geza.lore): These are bigger than they need to be.
    // cm->tile_width would be enough but it complicates indexing a
    // little elsewhere.
243
244
    const int aligned_mi_cols =
        ALIGN_POWER_OF_TWO(cm->mi_cols, MAX_MIB_SIZE_LOG2);
245
    int i;
246

clang-format's avatar
clang-format committed
247
    for (i = 0; i < MAX_MB_PLANE; i++) {
Yaowu Xu's avatar
Yaowu Xu committed
248
249
      aom_free(cm->above_context[i]);
      cm->above_context[i] = (ENTROPY_CONTEXT *)aom_calloc(
250
251
          aligned_mi_cols << (MI_SIZE_LOG2 - tx_size_wide_log2[0]),
          sizeof(*cm->above_context[0]));
252
253
      if (!cm->above_context[i]) goto fail;
    }
Jingning Han's avatar
Jingning Han committed
254

Yaowu Xu's avatar
Yaowu Xu committed
255
256
    aom_free(cm->above_seg_context);
    cm->above_seg_context = (PARTITION_CONTEXT *)aom_calloc(
257
        aligned_mi_cols, sizeof(*cm->above_seg_context));
Jingning Han's avatar
Jingning Han committed
258
    if (!cm->above_seg_context) goto fail;
259

Yaowu Xu's avatar
Yaowu Xu committed
260
261
    aom_free(cm->above_txfm_context);
    cm->above_txfm_context = (TXFM_CONTEXT *)aom_calloc(
262
        aligned_mi_cols << TX_UNIT_WIDE_LOG2, sizeof(*cm->above_txfm_context));
263
    if (!cm->above_txfm_context) goto fail;
264
265
266
267
268
269
270
271

    for (i = 0; i < MAX_MB_PLANE; ++i) {
      aom_free(cm->top_txfm_context[i]);
      cm->top_txfm_context[i] =
          (TXFM_CONTEXT *)aom_calloc(aligned_mi_cols << TX_UNIT_WIDE_LOG2,
                                     sizeof(*cm->top_txfm_context[0]));
      if (!cm->top_txfm_context[i]) goto fail;
    }
272

273
    cm->above_context_alloc_cols = aligned_mi_cols;
Jingning Han's avatar
Jingning Han committed
274
275
276
277
  }

  return 0;

clang-format's avatar
clang-format committed
278
fail:
279
  // clear the mi_* values to force a realloc on resync
Yaowu Xu's avatar
Yaowu Xu committed
280
281
  av1_set_mb_mi(cm, 0, 0);
  av1_free_context_buffers(cm);
Jingning Han's avatar
Jingning Han committed
282
283
284
  return 1;
}

Yaowu Xu's avatar
Yaowu Xu committed
285
286
void av1_remove_common(AV1_COMMON *cm) {
  av1_free_context_buffers(cm);
Jingning Han's avatar
Jingning Han committed
287

Yaowu Xu's avatar
Yaowu Xu committed
288
  aom_free(cm->fc);
Jingning Han's avatar
Jingning Han committed
289
  cm->fc = NULL;
Yaowu Xu's avatar
Yaowu Xu committed
290
  aom_free(cm->frame_contexts);
Jingning Han's avatar
Jingning Han committed
291
292
293
  cm->frame_contexts = NULL;
}

Yaowu Xu's avatar
Yaowu Xu committed
294
void av1_init_context_buffers(AV1_COMMON *cm) {
Jingning Han's avatar
Jingning Han committed
295
296
297
298
299
  cm->setup_mi(cm);
  if (cm->last_frame_seg_map && !cm->frame_parallel_decode)
    memset(cm->last_frame_seg_map, 0, cm->mi_rows * cm->mi_cols);
}

Yaowu Xu's avatar
Yaowu Xu committed
300
void av1_swap_current_and_last_seg_map(AV1_COMMON *cm) {
Jingning Han's avatar
Jingning Han committed
301
302
303
304
305
306
307
308
  // Swap indices.
  const int tmp = cm->seg_map_idx;
  cm->seg_map_idx = cm->prev_seg_map_idx;
  cm->prev_seg_map_idx = tmp;

  cm->current_frame_seg_map = cm->seg_map_array[cm->seg_map_idx];
  cm->last_frame_seg_map = cm->seg_map_array[cm->prev_seg_map_idx];
}