1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
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
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "./vpx_config.h"
12 #include "vpx_mem/vpx_mem.h"
13
14 #include "vp9/common/vp9_alloccommon.h"
15 #include "vp9/common/vp9_blockd.h"
16 #include "vp9/common/vp9_entropymode.h"
17 #include "vp9/common/vp9_entropymv.h"
18 #include "vp9/common/vp9_onyxc_int.h"
19
vp9_set_mi_size(int * mi_rows,int * mi_cols,int * mi_stride,int width,int height)20 void vp9_set_mi_size(int *mi_rows, int *mi_cols, int *mi_stride, int width,
21 int height) {
22 const int aligned_width = ALIGN_POWER_OF_TWO(width, MI_SIZE_LOG2);
23 const int aligned_height = ALIGN_POWER_OF_TWO(height, MI_SIZE_LOG2);
24 *mi_cols = aligned_width >> MI_SIZE_LOG2;
25 *mi_rows = aligned_height >> MI_SIZE_LOG2;
26 *mi_stride = calc_mi_size(*mi_cols);
27 }
28
vp9_set_mb_size(int * mb_rows,int * mb_cols,int * mb_num,int mi_rows,int mi_cols)29 void vp9_set_mb_size(int *mb_rows, int *mb_cols, int *mb_num, int mi_rows,
30 int mi_cols) {
31 *mb_cols = (mi_cols + 1) >> 1;
32 *mb_rows = (mi_rows + 1) >> 1;
33 *mb_num = (*mb_rows) * (*mb_cols);
34 }
35
vp9_set_mb_mi(VP9_COMMON * cm,int width,int height)36 void vp9_set_mb_mi(VP9_COMMON *cm, int width, int height) {
37 vp9_set_mi_size(&cm->mi_rows, &cm->mi_cols, &cm->mi_stride, width, height);
38 vp9_set_mb_size(&cm->mb_rows, &cm->mb_cols, &cm->MBs, cm->mi_rows,
39 cm->mi_cols);
40 }
41
alloc_seg_map(VP9_COMMON * cm,int seg_map_size)42 static int alloc_seg_map(VP9_COMMON *cm, int seg_map_size) {
43 int i;
44
45 for (i = 0; i < NUM_PING_PONG_BUFFERS; ++i) {
46 cm->seg_map_array[i] = (uint8_t *)vpx_calloc(seg_map_size, 1);
47 if (cm->seg_map_array[i] == NULL) return 1;
48 }
49 cm->seg_map_alloc_size = seg_map_size;
50
51 // Init the index.
52 cm->seg_map_idx = 0;
53 cm->prev_seg_map_idx = 1;
54
55 cm->current_frame_seg_map = cm->seg_map_array[cm->seg_map_idx];
56 cm->last_frame_seg_map = cm->seg_map_array[cm->prev_seg_map_idx];
57
58 return 0;
59 }
60
free_seg_map(VP9_COMMON * cm)61 static void free_seg_map(VP9_COMMON *cm) {
62 int i;
63
64 for (i = 0; i < NUM_PING_PONG_BUFFERS; ++i) {
65 vpx_free(cm->seg_map_array[i]);
66 cm->seg_map_array[i] = NULL;
67 }
68 cm->seg_map_alloc_size = 0;
69
70 cm->current_frame_seg_map = NULL;
71 cm->last_frame_seg_map = NULL;
72 }
73
vp9_free_ref_frame_buffers(BufferPool * pool)74 void vp9_free_ref_frame_buffers(BufferPool *pool) {
75 int i;
76
77 if (!pool) return;
78
79 for (i = 0; i < FRAME_BUFFERS; ++i) {
80 if (!pool->frame_bufs[i].released &&
81 pool->frame_bufs[i].raw_frame_buffer.data != NULL) {
82 pool->release_fb_cb(pool->cb_priv, &pool->frame_bufs[i].raw_frame_buffer);
83 pool->frame_bufs[i].ref_count = 0;
84 pool->frame_bufs[i].released = 1;
85 }
86 vpx_free(pool->frame_bufs[i].mvs);
87 pool->frame_bufs[i].mvs = NULL;
88 vpx_free_frame_buffer(&pool->frame_bufs[i].buf);
89 }
90 }
91
vp9_free_postproc_buffers(VP9_COMMON * cm)92 void vp9_free_postproc_buffers(VP9_COMMON *cm) {
93 #if CONFIG_VP9_POSTPROC
94 vpx_free_frame_buffer(&cm->post_proc_buffer);
95 vpx_free_frame_buffer(&cm->post_proc_buffer_int);
96 vpx_free(cm->postproc_state.limits);
97 cm->postproc_state.limits = NULL;
98 vpx_free(cm->postproc_state.generated_noise);
99 cm->postproc_state.generated_noise = NULL;
100 #else
101 (void)cm;
102 #endif
103 }
104
vp9_free_context_buffers(VP9_COMMON * cm)105 void vp9_free_context_buffers(VP9_COMMON *cm) {
106 if (cm->free_mi) cm->free_mi(cm);
107 free_seg_map(cm);
108 vpx_free(cm->above_context);
109 cm->above_context = NULL;
110 vpx_free(cm->above_seg_context);
111 cm->above_seg_context = NULL;
112 cm->above_context_alloc_cols = 0;
113 vpx_free(cm->lf.lfm);
114 cm->lf.lfm = NULL;
115 }
116
vp9_alloc_loop_filter(VP9_COMMON * cm)117 int vp9_alloc_loop_filter(VP9_COMMON *cm) {
118 vpx_free(cm->lf.lfm);
119 // Each lfm holds bit masks for all the 8x8 blocks in a 64x64 region. The
120 // stride and rows are rounded up / truncated to a multiple of 8.
121 cm->lf.lfm_stride = (cm->mi_cols + (MI_BLOCK_SIZE - 1)) >> 3;
122 cm->lf.lfm = (LOOP_FILTER_MASK *)vpx_calloc(
123 ((cm->mi_rows + (MI_BLOCK_SIZE - 1)) >> 3) * cm->lf.lfm_stride,
124 sizeof(*cm->lf.lfm));
125 if (!cm->lf.lfm) return 1;
126 return 0;
127 }
128
vp9_alloc_context_buffers(VP9_COMMON * cm,int width,int height)129 int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) {
130 int new_mi_size;
131
132 vp9_set_mb_mi(cm, width, height);
133 new_mi_size = cm->mi_stride * calc_mi_size(cm->mi_rows);
134 if (cm->mi_alloc_size < new_mi_size) {
135 cm->free_mi(cm);
136 if (cm->alloc_mi(cm, new_mi_size)) goto fail;
137 }
138 if (cm->above_context_alloc_cols < cm->mi_cols) {
139 vpx_free(cm->above_context);
140 cm->above_context = (ENTROPY_CONTEXT *)vpx_calloc(
141 2 * mi_cols_aligned_to_sb(cm->mi_cols) * MAX_MB_PLANE,
142 sizeof(*cm->above_context));
143 if (!cm->above_context) goto fail;
144
145 vpx_free(cm->above_seg_context);
146 cm->above_seg_context = (PARTITION_CONTEXT *)vpx_calloc(
147 mi_cols_aligned_to_sb(cm->mi_cols), sizeof(*cm->above_seg_context));
148 if (!cm->above_seg_context) goto fail;
149 cm->above_context_alloc_cols = cm->mi_cols;
150 }
151
152 if (cm->seg_map_alloc_size < cm->mi_rows * cm->mi_cols) {
153 // Create the segmentation map structure and set to 0.
154 free_seg_map(cm);
155 if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols)) goto fail;
156 }
157
158 if (vp9_alloc_loop_filter(cm)) goto fail;
159
160 return 0;
161
162 fail:
163 // clear the mi_* values to force a realloc on resync
164 vp9_set_mb_mi(cm, 0, 0);
165 vp9_free_context_buffers(cm);
166 return 1;
167 }
168
vp9_remove_common(VP9_COMMON * cm)169 void vp9_remove_common(VP9_COMMON *cm) {
170 #if CONFIG_VP9_POSTPROC
171 vp9_free_postproc_buffers(cm);
172 #endif
173 vp9_free_context_buffers(cm);
174
175 vpx_free(cm->fc);
176 cm->fc = NULL;
177 vpx_free(cm->frame_contexts);
178 cm->frame_contexts = NULL;
179 }
180
vp9_init_context_buffers(VP9_COMMON * cm)181 void vp9_init_context_buffers(VP9_COMMON *cm) {
182 cm->setup_mi(cm);
183 if (cm->last_frame_seg_map)
184 memset(cm->last_frame_seg_map, 0, cm->mi_rows * cm->mi_cols);
185 }
186
vp9_swap_current_and_last_seg_map(VP9_COMMON * cm)187 void vp9_swap_current_and_last_seg_map(VP9_COMMON *cm) {
188 // Swap indices.
189 const int tmp = cm->seg_map_idx;
190 cm->seg_map_idx = cm->prev_seg_map_idx;
191 cm->prev_seg_map_idx = tmp;
192
193 cm->current_frame_seg_map = cm->seg_map_array[cm->seg_map_idx];
194 cm->last_frame_seg_map = cm->seg_map_array[cm->prev_seg_map_idx];
195 }
196