Lines Matching refs:cm
20 void vp9_set_mb_mi(VP9_COMMON *cm, int width, int height) {
24 cm->mi_cols = aligned_width >> MI_SIZE_LOG2;
25 cm->mi_rows = aligned_height >> MI_SIZE_LOG2;
26 cm->mi_stride = calc_mi_size(cm->mi_cols);
28 cm->mb_cols = (cm->mi_cols + 1) >> 1;
29 cm->mb_rows = (cm->mi_rows + 1) >> 1;
30 cm->MBs = cm->mb_rows * cm->mb_cols;
33 static int alloc_seg_map(VP9_COMMON *cm, int seg_map_size) {
37 cm->seg_map_array[i] = (uint8_t *)vpx_calloc(seg_map_size, 1);
38 if (cm->seg_map_array[i] == NULL) return 1;
40 cm->seg_map_alloc_size = seg_map_size;
43 cm->seg_map_idx = 0;
44 cm->prev_seg_map_idx = 1;
46 cm->current_frame_seg_map = cm->seg_map_array[cm->seg_map_idx];
47 cm->last_frame_seg_map = cm->seg_map_array[cm->prev_seg_map_idx];
52 static void free_seg_map(VP9_COMMON *cm) {
56 vpx_free(cm->seg_map_array[i]);
57 cm->seg_map_array[i] = NULL;
60 cm->current_frame_seg_map = NULL;
61 cm->last_frame_seg_map = NULL;
80 void vp9_free_postproc_buffers(VP9_COMMON *cm) {
82 vpx_free_frame_buffer(&cm->post_proc_buffer);
83 vpx_free_frame_buffer(&cm->post_proc_buffer_int);
84 vpx_free(cm->postproc_state.limits);
85 cm->postproc_state.limits = NULL;
86 vpx_free(cm->postproc_state.generated_noise);
87 cm->postproc_state.generated_noise = NULL;
89 (void)cm;
93 void vp9_free_context_buffers(VP9_COMMON *cm) {
94 cm->free_mi(cm);
95 free_seg_map(cm);
96 vpx_free(cm->above_context);
97 cm->above_context = NULL;
98 vpx_free(cm->above_seg_context);
99 cm->above_seg_context = NULL;
100 vpx_free(cm->lf.lfm);
101 cm->lf.lfm = NULL;
104 int vp9_alloc_loop_filter(VP9_COMMON *cm) {
105 vpx_free(cm->lf.lfm);
108 cm->lf.lfm_stride = (cm->mi_cols + (MI_BLOCK_SIZE - 1)) >> 3;
109 cm->lf.lfm = (LOOP_FILTER_MASK *)vpx_calloc(
110 ((cm->mi_rows + (MI_BLOCK_SIZE - 1)) >> 3) * cm->lf.lfm_stride,
111 sizeof(*cm->lf.lfm));
112 if (!cm->lf.lfm) return 1;
116 int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) {
119 vp9_set_mb_mi(cm, width, height);
120 new_mi_size = cm->mi_stride * calc_mi_size(cm->mi_rows);
121 if (cm->mi_alloc_size < new_mi_size) {
122 cm->free_mi(cm);
123 if (cm->alloc_mi(cm, new_mi_size)) goto fail;
126 if (cm->seg_map_alloc_size < cm->mi_rows * cm->mi_cols) {
128 free_seg_map(cm);
129 if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols)) goto fail;
132 if (cm->above_context_alloc_cols < cm->mi_cols) {
133 vpx_free(cm->above_context);
134 cm->above_context = (ENTROPY_CONTEXT *)vpx_calloc(
135 2 * mi_cols_aligned_to_sb(cm->mi_cols) * MAX_MB_PLANE,
136 sizeof(*cm->above_context));
137 if (!cm->above_context) goto fail;
139 vpx_free(cm->above_seg_context);
140 cm->above_seg_context = (PARTITION_CONTEXT *)vpx_calloc(
141 mi_cols_aligned_to_sb(cm->mi_cols), sizeof(*cm->above_seg_context));
142 if (!cm->above_seg_context) goto fail;
143 cm->above_context_alloc_cols = cm->mi_cols;
146 if (vp9_alloc_loop_filter(cm)) goto fail;
152 vp9_set_mb_mi(cm, 0, 0);
153 vp9_free_context_buffers(cm);
157 void vp9_remove_common(VP9_COMMON *cm) {
159 vp9_free_postproc_buffers(cm);
161 vp9_free_context_buffers(cm);
163 vpx_free(cm->fc);
164 cm->fc = NULL;
165 vpx_free(cm->frame_contexts);
166 cm->frame_contexts = NULL;
169 void vp9_init_context_buffers(VP9_COMMON *cm) {
170 cm->setup_mi(cm);
171 if (cm->last_frame_seg_map)
172 memset(cm->last_frame_seg_map, 0, cm->mi_rows * cm->mi_cols);
175 void vp9_swap_current_and_last_seg_map(VP9_COMMON *cm) {
177 const int tmp = cm->seg_map_idx;
178 cm->seg_map_idx = cm->prev_seg_map_idx;
179 cm->prev_seg_map_idx = tmp;
181 cm->current_frame_seg_map = cm->seg_map_array[cm->seg_map_idx];
182 cm->last_frame_seg_map = cm->seg_map_array[cm->prev_seg_map_idx];
