Lines Matching refs:cm
20 static void clear_mi_border(const VP9_COMMON *cm, MODE_INFO *mi) {
24 vpx_memset(mi, 0, sizeof(*mi) * cm->mi_stride);
27 for (i = 1; i < cm->mi_rows + 1; ++i)
28 vpx_memset(&mi[i * cm->mi_stride], 0, sizeof(*mi));
31 void vp9_set_mb_mi(VP9_COMMON *cm, int width, int height) {
35 cm->mi_cols = aligned_width >> MI_SIZE_LOG2;
36 cm->mi_rows = aligned_height >> MI_SIZE_LOG2;
37 cm->mi_stride = calc_mi_size(cm->mi_cols);
39 cm->mb_cols = (cm->mi_cols + 1) >> 1;
40 cm->mb_rows = (cm->mi_rows + 1) >> 1;
41 cm->MBs = cm->mb_rows * cm->mb_cols;
44 static void setup_mi(VP9_COMMON *cm) {
45 cm->mi = cm->mip + cm->mi_stride + 1;
46 cm->prev_mi = cm->prev_mip + cm->mi_stride + 1;
48 vpx_memset(cm->mip, 0, cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->mip));
49 clear_mi_border(cm, cm->prev_mip);
52 static int alloc_mi(VP9_COMMON *cm, int mi_size) {
56 cm->mip_array[i] =
58 if (cm->mip_array[i] == NULL)
62 cm->mi_alloc_size = mi_size;
65 cm->mi_idx = 0;
66 cm->prev_mi_idx = 1;
68 cm->mip = cm->mip_array[cm->mi_idx];
69 cm->prev_mip = cm->mip_array[cm->prev_mi_idx];
74 static void free_mi(VP9_COMMON *cm) {
78 vpx_free(cm->mip_array[i]);
79 cm->mip_array[i] = NULL;
82 cm->mip = NULL;
83 cm->prev_mip = NULL;
86 void vp9_free_ref_frame_buffers(VP9_COMMON *cm) {
90 vp9_free_frame_buffer(&cm->frame_bufs[i].buf);
92 if (cm->frame_bufs[i].ref_count > 0 &&
93 cm->frame_bufs[i].raw_frame_buffer.data != NULL) {
94 cm->release_fb_cb(cm->cb_priv, &cm->frame_bufs[i].raw_frame_buffer);
95 cm->frame_bufs[i].ref_count = 0;
99 vp9_free_frame_buffer(&cm->post_proc_buffer);
102 void vp9_free_context_buffers(VP9_COMMON *cm) {
103 free_mi(cm);
105 vpx_free(cm->last_frame_seg_map);
106 cm->last_frame_seg_map = NULL;
108 vpx_free(cm->above_context);
109 cm->above_context = NULL;
111 vpx_free(cm->above_seg_context);
112 cm->above_seg_context = NULL;
115 int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) {
116 vp9_free_context_buffers(cm);
118 vp9_set_mb_mi(cm, width, height);
119 if (alloc_mi(cm, cm->mi_stride * calc_mi_size(cm->mi_rows)))
122 cm->last_frame_seg_map = (uint8_t *)vpx_calloc(cm->mi_rows * cm->mi_cols, 1);
123 if (!cm->last_frame_seg_map) goto fail;
125 cm->above_context = (ENTROPY_CONTEXT *)vpx_calloc(
126 2 * mi_cols_aligned_to_sb(cm->mi_cols) * MAX_MB_PLANE,
127 sizeof(*cm->above_context));
128 if (!cm->above_context) goto fail;
130 cm->above_seg_context = (PARTITION_CONTEXT *)vpx_calloc(
131 mi_cols_aligned_to_sb(cm->mi_cols), sizeof(*cm->above_seg_context));
132 if (!cm->above_seg_context) goto fail;
137 vp9_free_context_buffers(cm);
141 static void init_frame_bufs(VP9_COMMON *cm) {
144 cm->new_fb_idx = FRAME_BUFFERS - 1;
145 cm->frame_bufs[cm->new_fb_idx].ref_count = 1;
148 cm->ref_frame_map[i] = i;
149 cm->frame_bufs[i].ref_count = 1;
153 int vp9_alloc_ref_frame_buffers(VP9_COMMON *cm, int width, int height) {
155 const int ss_x = cm->subsampling_x;
156 const int ss_y = cm->subsampling_y;
158 vp9_free_ref_frame_buffers(cm);
161 cm->frame_bufs[i].ref_count = 0;
162 if (vp9_alloc_frame_buffer(&cm->frame_bufs[i].buf, width, height,
165 cm->use_highbitdepth,
171 init_frame_bufs(cm);
174 if (vp9_alloc_frame_buffer(&cm->post_proc_buffer, width, height, ss_x, ss_y,
176 cm->use_highbitdepth,
185 vp9_free_ref_frame_buffers(cm);
189 void vp9_remove_common(VP9_COMMON *cm) {
190 vp9_free_ref_frame_buffers(cm);
191 vp9_free_context_buffers(cm);
192 vp9_free_internal_frame_buffers(&cm->int_frame_buffers);
195 void vp9_init_context_buffers(VP9_COMMON *cm) {
196 setup_mi(cm);
197 if (cm->last_frame_seg_map)
198 vpx_memset(cm->last_frame_seg_map, 0, cm->mi_rows * cm->mi_cols);
201 void vp9_swap_mi_and_prev_mi(VP9_COMMON *cm) {
203 const int tmp = cm->mi_idx;
204 cm->mi_idx = cm->prev_mi_idx;
205 cm->prev_mi_idx = tmp;
208 cm->mip = cm->mip_array[cm->mi_idx];
209 cm->prev_mip = cm->mip_array[cm->prev_mi_idx];
212 cm->mi = cm->mip + cm->mi_stride + 1;
213 cm->prev_mi = cm->prev_mip + cm->mi_stride + 1;