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comparison: media/libvpx/vp9/common/vp9_alloccommon.c
media/libvpx/vp9/common/vp9_alloccommon.c
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| -1:000000000000 | 0:c4de8cee7439 |
|---|---|
| 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 | |
| 12 #include "./vpx_config.h" | |
| 13 #include "vpx_mem/vpx_mem.h" | |
| 14 | |
| 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_findnearmv.h" | |
| 19 #include "vp9/common/vp9_onyxc_int.h" | |
| 20 #include "vp9/common/vp9_systemdependent.h" | |
| 21 | |
| 22 void vp9_update_mode_info_border(VP9_COMMON *cm, MODE_INFO *mi) { | |
| 23 const int stride = cm->mode_info_stride; | |
| 24 int i; | |
| 25 | |
| 26 // Clear down top border row | |
| 27 vpx_memset(mi, 0, sizeof(MODE_INFO) * stride); | |
| 28 | |
| 29 // Clear left border column | |
| 30 for (i = 1; i < cm->mi_rows + 1; i++) | |
| 31 vpx_memset(&mi[i * stride], 0, sizeof(MODE_INFO)); | |
| 32 } | |
| 33 | |
| 34 void vp9_free_frame_buffers(VP9_COMMON *cm) { | |
| 35 int i; | |
| 36 | |
| 37 for (i = 0; i < NUM_YV12_BUFFERS; i++) | |
| 38 vp9_free_frame_buffer(&cm->yv12_fb[i]); | |
| 39 | |
| 40 vp9_free_frame_buffer(&cm->post_proc_buffer); | |
| 41 | |
| 42 vpx_free(cm->mip); | |
| 43 vpx_free(cm->prev_mip); | |
| 44 vpx_free(cm->last_frame_seg_map); | |
| 45 vpx_free(cm->mi_grid_base); | |
| 46 vpx_free(cm->prev_mi_grid_base); | |
| 47 | |
| 48 cm->mip = NULL; | |
| 49 cm->prev_mip = NULL; | |
| 50 cm->last_frame_seg_map = NULL; | |
| 51 cm->mi_grid_base = NULL; | |
| 52 cm->prev_mi_grid_base = NULL; | |
| 53 } | |
| 54 | |
| 55 static void set_mb_mi(VP9_COMMON *cm, int aligned_width, int aligned_height) { | |
| 56 cm->mi_cols = aligned_width >> MI_SIZE_LOG2; | |
| 57 cm->mi_rows = aligned_height >> MI_SIZE_LOG2; | |
| 58 cm->mode_info_stride = cm->mi_cols + MI_BLOCK_SIZE; | |
| 59 | |
| 60 cm->mb_cols = (cm->mi_cols + 1) >> 1; | |
| 61 cm->mb_rows = (cm->mi_rows + 1) >> 1; | |
| 62 cm->MBs = cm->mb_rows * cm->mb_cols; | |
| 63 } | |
| 64 | |
| 65 static void setup_mi(VP9_COMMON *cm) { | |
| 66 cm->mi = cm->mip + cm->mode_info_stride + 1; | |
| 67 cm->prev_mi = cm->prev_mip + cm->mode_info_stride + 1; | |
| 68 cm->mi_grid_visible = cm->mi_grid_base + cm->mode_info_stride + 1; | |
| 69 cm->prev_mi_grid_visible = cm->prev_mi_grid_base + cm->mode_info_stride + 1; | |
| 70 | |
| 71 vpx_memset(cm->mip, 0, | |
| 72 cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO)); | |
| 73 | |
| 74 vpx_memset(cm->mi_grid_base, 0, | |
| 75 cm->mode_info_stride * (cm->mi_rows + 1) * | |
| 76 sizeof(*cm->mi_grid_base)); | |
| 77 | |
| 78 vp9_update_mode_info_border(cm, cm->mip); | |
| 79 vp9_update_mode_info_border(cm, cm->prev_mip); | |
| 80 } | |
| 81 | |
| 82 int vp9_resize_frame_buffers(VP9_COMMON *cm, int width, int height) { | |
| 83 const int aligned_width = ALIGN_POWER_OF_TWO(width, MI_SIZE_LOG2); | |
| 84 const int aligned_height = ALIGN_POWER_OF_TWO(height, MI_SIZE_LOG2); | |
| 85 const int ss_x = cm->subsampling_x; | |
| 86 const int ss_y = cm->subsampling_y; | |
| 87 int mi_size; | |
| 88 | |
| 89 if (vp9_realloc_frame_buffer(&cm->post_proc_buffer, width, height, ss_x, ss_y, | |
| 90 VP9BORDERINPIXELS) < 0) | |
| 91 goto fail; | |
| 92 | |
| 93 set_mb_mi(cm, aligned_width, aligned_height); | |
| 94 | |
| 95 // Allocation | |
| 96 mi_size = cm->mode_info_stride * (cm->mi_rows + MI_BLOCK_SIZE); | |
| 97 | |
| 98 vpx_free(cm->mip); | |
| 99 cm->mip = vpx_calloc(mi_size, sizeof(MODE_INFO)); | |
| 100 if (!cm->mip) | |
| 101 goto fail; | |
| 102 | |
| 103 vpx_free(cm->prev_mip); | |
| 104 cm->prev_mip = vpx_calloc(mi_size, sizeof(MODE_INFO)); | |
| 105 if (!cm->prev_mip) | |
| 106 goto fail; | |
| 107 | |
| 108 vpx_free(cm->mi_grid_base); | |
| 109 cm->mi_grid_base = vpx_calloc(mi_size, sizeof(*cm->mi_grid_base)); | |
| 110 if (!cm->mi_grid_base) | |
| 111 goto fail; | |
| 112 | |
| 113 vpx_free(cm->prev_mi_grid_base); | |
| 114 cm->prev_mi_grid_base = vpx_calloc(mi_size, sizeof(*cm->prev_mi_grid_base)); | |
| 115 if (!cm->prev_mi_grid_base) | |
| 116 goto fail; | |
| 117 | |
| 118 setup_mi(cm); | |
| 119 | |
| 120 // Create the segmentation map structure and set to 0. | |
| 121 vpx_free(cm->last_frame_seg_map); | |
| 122 cm->last_frame_seg_map = vpx_calloc(cm->mi_rows * cm->mi_cols, 1); | |
| 123 if (!cm->last_frame_seg_map) | |
| 124 goto fail; | |
| 125 | |
| 126 return 0; | |
| 127 | |
| 128 fail: | |
| 129 vp9_free_frame_buffers(cm); | |
| 130 return 1; | |
| 131 } | |
| 132 | |
| 133 int vp9_alloc_frame_buffers(VP9_COMMON *cm, int width, int height) { | |
| 134 int i; | |
| 135 | |
| 136 const int aligned_width = ALIGN_POWER_OF_TWO(width, MI_SIZE_LOG2); | |
| 137 const int aligned_height = ALIGN_POWER_OF_TWO(height, MI_SIZE_LOG2); | |
| 138 const int ss_x = cm->subsampling_x; | |
| 139 const int ss_y = cm->subsampling_y; | |
| 140 int mi_size; | |
| 141 | |
| 142 vp9_free_frame_buffers(cm); | |
| 143 | |
| 144 for (i = 0; i < NUM_YV12_BUFFERS; i++) { | |
| 145 cm->fb_idx_ref_cnt[i] = 0; | |
| 146 if (vp9_alloc_frame_buffer(&cm->yv12_fb[i], width, height, ss_x, ss_y, | |
| 147 VP9BORDERINPIXELS) < 0) | |
| 148 goto fail; | |
| 149 } | |
| 150 | |
| 151 cm->new_fb_idx = NUM_YV12_BUFFERS - 1; | |
| 152 cm->fb_idx_ref_cnt[cm->new_fb_idx] = 1; | |
| 153 | |
| 154 for (i = 0; i < ALLOWED_REFS_PER_FRAME; i++) | |
| 155 cm->active_ref_idx[i] = i; | |
| 156 | |
| 157 for (i = 0; i < NUM_REF_FRAMES; i++) { | |
| 158 cm->ref_frame_map[i] = i; | |
| 159 cm->fb_idx_ref_cnt[i] = 1; | |
| 160 } | |
| 161 | |
| 162 if (vp9_alloc_frame_buffer(&cm->post_proc_buffer, width, height, ss_x, ss_y, | |
| 163 VP9BORDERINPIXELS) < 0) | |
| 164 goto fail; | |
| 165 | |
| 166 set_mb_mi(cm, aligned_width, aligned_height); | |
| 167 | |
| 168 // Allocation | |
| 169 mi_size = cm->mode_info_stride * (cm->mi_rows + MI_BLOCK_SIZE); | |
| 170 | |
| 171 cm->mip = vpx_calloc(mi_size, sizeof(MODE_INFO)); | |
| 172 if (!cm->mip) | |
| 173 goto fail; | |
| 174 | |
| 175 cm->prev_mip = vpx_calloc(mi_size, sizeof(MODE_INFO)); | |
| 176 if (!cm->prev_mip) | |
| 177 goto fail; | |
| 178 | |
| 179 cm->mi_grid_base = vpx_calloc(mi_size, sizeof(*cm->mi_grid_base)); | |
| 180 if (!cm->mi_grid_base) | |
| 181 goto fail; | |
| 182 | |
| 183 cm->prev_mi_grid_base = vpx_calloc(mi_size, sizeof(*cm->prev_mi_grid_base)); | |
| 184 if (!cm->prev_mi_grid_base) | |
| 185 goto fail; | |
| 186 | |
| 187 setup_mi(cm); | |
| 188 | |
| 189 // Create the segmentation map structure and set to 0. | |
| 190 cm->last_frame_seg_map = vpx_calloc(cm->mi_rows * cm->mi_cols, 1); | |
| 191 if (!cm->last_frame_seg_map) | |
| 192 goto fail; | |
| 193 | |
| 194 return 0; | |
| 195 | |
| 196 fail: | |
| 197 vp9_free_frame_buffers(cm); | |
| 198 return 1; | |
| 199 } | |
| 200 | |
| 201 void vp9_create_common(VP9_COMMON *cm) { | |
| 202 vp9_machine_specific_config(cm); | |
| 203 | |
| 204 cm->tx_mode = ONLY_4X4; | |
| 205 cm->comp_pred_mode = HYBRID_PREDICTION; | |
| 206 } | |
| 207 | |
| 208 void vp9_remove_common(VP9_COMMON *cm) { | |
| 209 vp9_free_frame_buffers(cm); | |
| 210 } | |
| 211 | |
| 212 void vp9_initialize_common() { | |
| 213 vp9_init_neighbors(); | |
| 214 vp9_coef_tree_initialize(); | |
| 215 vp9_entropy_mode_init(); | |
| 216 vp9_entropy_mv_init(); | |
| 217 } | |
| 218 | |
| 219 void vp9_update_frame_size(VP9_COMMON *cm) { | |
| 220 const int aligned_width = ALIGN_POWER_OF_TWO(cm->width, MI_SIZE_LOG2); | |
| 221 const int aligned_height = ALIGN_POWER_OF_TWO(cm->height, MI_SIZE_LOG2); | |
| 222 | |
| 223 set_mb_mi(cm, aligned_width, aligned_height); | |
| 224 setup_mi(cm); | |
| 225 | |
| 226 // Initialize the previous frame segment map to 0. | |
| 227 if (cm->last_frame_seg_map) | |
| 228 vpx_memset(cm->last_frame_seg_map, 0, cm->mi_rows * cm->mi_cols); | |
| 229 } |
