2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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.
11 #ifndef VP9_COMMON_VP9_ONYXC_INT_H_
12 #define VP9_COMMON_VP9_ONYXC_INT_H_
14 #include "./vpx_config.h"
15 #include "vpx/internal/vpx_codec_internal.h"
16 #include "./vp9_rtcd.h"
17 #include "vp9/common/vp9_loopfilter.h"
18 #include "vp9/common/vp9_entropymv.h"
19 #include "vp9/common/vp9_entropy.h"
20 #include "vp9/common/vp9_entropymode.h"
21 #include "vp9/common/vp9_quant_common.h"
22 #include "vp9/common/vp9_tile_common.h"
24 #if CONFIG_VP9_POSTPROC
25 #include "vp9/common/vp9_postproc.h"
28 #define REFS_PER_FRAME 3
30 #define REF_FRAMES_LOG2 3
31 #define REF_FRAMES (1 << REF_FRAMES_LOG2)
33 // 1 scratch frame for the new frame, 3 for scaled references on the encoder
34 // TODO(jkoleszar): These 3 extra references could probably come from the
35 // normal reference pool.
36 #define FRAME_BUFFERS (REF_FRAMES + 4)
38 #define FRAME_CONTEXTS_LOG2 2
39 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
42 PARTITION_CONTEXT above;
43 PARTITION_CONTEXT left;
44 } partition_context_lookup[BLOCK_SIZES];
46 typedef struct frame_contexts {
47 vp9_prob y_mode_prob[BLOCK_SIZE_GROUPS][INTRA_MODES - 1];
48 vp9_prob uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
49 vp9_prob partition_prob[PARTITION_CONTEXTS][PARTITION_TYPES - 1];
50 vp9_coeff_probs_model coef_probs[TX_SIZES][PLANE_TYPES];
51 vp9_prob switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
52 [SWITCHABLE_FILTERS - 1];
53 vp9_prob inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1];
54 vp9_prob intra_inter_prob[INTRA_INTER_CONTEXTS];
55 vp9_prob comp_inter_prob[COMP_INTER_CONTEXTS];
56 vp9_prob single_ref_prob[REF_CONTEXTS][2];
57 vp9_prob comp_ref_prob[REF_CONTEXTS];
58 struct tx_probs tx_probs;
59 vp9_prob mbskip_probs[MBSKIP_CONTEXTS];
64 unsigned int y_mode[BLOCK_SIZE_GROUPS][INTRA_MODES];
65 unsigned int uv_mode[INTRA_MODES][INTRA_MODES];
66 unsigned int partition[PARTITION_CONTEXTS][PARTITION_TYPES];
67 vp9_coeff_count_model coef[TX_SIZES][PLANE_TYPES];
68 unsigned int eob_branch[TX_SIZES][PLANE_TYPES][REF_TYPES]
69 [COEF_BANDS][COEFF_CONTEXTS];
70 unsigned int switchable_interp[SWITCHABLE_FILTER_CONTEXTS]
72 unsigned int inter_mode[INTER_MODE_CONTEXTS][INTER_MODES];
73 unsigned int intra_inter[INTRA_INTER_CONTEXTS][2];
74 unsigned int comp_inter[COMP_INTER_CONTEXTS][2];
75 unsigned int single_ref[REF_CONTEXTS][2][2];
76 unsigned int comp_ref[REF_CONTEXTS][2];
78 unsigned int mbskip[MBSKIP_CONTEXTS][2];
79 nmv_context_counts mv;
85 COMPOUND_REFERENCE = 1,
86 REFERENCE_MODE_SELECT = 2,
90 typedef struct VP9Common {
91 struct vpx_internal_error_info error;
93 DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]);
94 DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]);
96 DECLARE_ALIGNED(16, int16_t, a_dequant[QINDEX_RANGE][8]);
99 COLOR_SPACE color_space;
108 // TODO(jkoleszar): this implies chroma ss right now, but could vary per
109 // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
110 // support additional planes.
114 YV12_BUFFER_CONFIG *frame_to_show;
116 YV12_BUFFER_CONFIG *yv12_fb;
117 int *fb_idx_ref_cnt; /* reference counts */
118 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */
120 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
121 // roll new_fb_idx into it.
123 // Each frame can reference REFS_PER_FRAME buffers
124 int active_ref_idx[REFS_PER_FRAME];
125 struct scale_factors active_ref_scale[REFS_PER_FRAME];
128 YV12_BUFFER_CONFIG post_proc_buffer;
130 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
131 FRAME_TYPE frame_type;
136 // Flag signaling that the frame is encoded using only INTRA modes.
139 int allow_high_precision_mv;
141 // Flag signaling that the frame context should be reset to default values.
142 // 0 or 1 implies don't reset, 2 reset just the context specified in the
143 // frame header, 3 reset all contexts.
144 int reset_frame_context;
147 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
148 // MODE_INFO (8-pixel) units.
150 int mb_rows, mi_rows;
151 int mb_cols, mi_cols;
152 int mode_info_stride;
154 /* profile settings */
166 /* We allocate a MODE_INFO struct for each macroblock, together with
167 an extra row on top and column on the left to simplify prediction. */
169 MODE_INFO *mip; /* Base of allocated array */
170 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
171 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
172 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
174 MODE_INFO **mi_grid_base;
175 MODE_INFO **mi_grid_visible;
176 MODE_INFO **prev_mi_grid_base;
177 MODE_INFO **prev_mi_grid_visible;
179 // Persistent mb segment id map used in prediction.
180 unsigned char *last_frame_seg_map;
182 INTERPOLATION_TYPE mcomp_filter_type;
184 loop_filter_info_n lf_info;
186 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
188 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
190 struct loopfilter lf;
191 struct segmentation seg;
193 // Context probabilities for reference frame prediction
194 int allow_comp_inter_inter;
195 MV_REFERENCE_FRAME comp_fixed_ref;
196 MV_REFERENCE_FRAME comp_var_ref[2];
197 REFERENCE_MODE reference_mode;
199 FRAME_CONTEXT fc; /* this frame entropy */
200 FRAME_CONTEXT frame_contexts[FRAME_CONTEXTS];
201 unsigned int frame_context_idx; /* Context to use/update */
204 unsigned int current_video_frame;
207 #if CONFIG_VP9_POSTPROC
208 struct postproc_state postproc_state;
211 int error_resilient_mode;
212 int frame_parallel_decoding_mode;
214 int log2_tile_cols, log2_tile_rows;
216 vpx_codec_frame_buffer_t *fb_list; // External frame buffers
217 int fb_count; // Total number of frame buffers
218 vpx_realloc_frame_buffer_cb_fn_t realloc_fb_cb;
219 void *user_priv; // Private data associated with the external frame buffers.
221 int fb_lru; // Flag telling if lru is on/off
222 uint32_t *fb_idx_ref_lru; // Frame buffer lru cache
223 uint32_t fb_idx_ref_lru_count;
226 // ref == 0 => LAST_FRAME
227 // ref == 1 => GOLDEN_FRAME
228 // ref == 2 => ALTREF_FRAME
229 static YV12_BUFFER_CONFIG *get_frame_ref_buffer(VP9_COMMON *cm, int ref) {
230 return &cm->yv12_fb[cm->active_ref_idx[ref]];
233 static YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) {
234 return &cm->yv12_fb[cm->new_fb_idx];
237 static int get_free_fb(VP9_COMMON *cm) {
239 uint32_t lru_count = cm->fb_idx_ref_lru_count + 1;
240 int free_buffer_idx = cm->fb_count;
241 for (i = 0; i < cm->fb_count; i++) {
243 if (cm->fb_idx_ref_cnt[i] == 0) {
248 if (cm->fb_idx_ref_cnt[i] == 0 && cm->fb_idx_ref_lru[i] < lru_count) {
250 lru_count = cm->fb_idx_ref_lru[i];
255 assert(free_buffer_idx < cm->fb_count);
256 cm->fb_idx_ref_cnt[free_buffer_idx] = 1;
258 cm->fb_idx_ref_lru[free_buffer_idx] = ++cm->fb_idx_ref_lru_count;
259 return free_buffer_idx;
262 static void ref_cnt_fb(int *buf, int *idx, int new_idx) {
263 const int ref_index = *idx;
265 if (ref_index >= 0 && buf[ref_index] > 0)
273 static int mi_cols_aligned_to_sb(int n_mis) {
274 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
277 static INLINE const vp9_prob* get_partition_probs(VP9_COMMON *cm, int ctx) {
278 return cm->frame_type == KEY_FRAME ? vp9_kf_partition_probs[ctx]
279 : cm->fc.partition_prob[ctx];
282 static INLINE void set_skip_context(
284 ENTROPY_CONTEXT *above_context[MAX_MB_PLANE],
285 ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16],
286 int mi_row, int mi_col) {
287 const int above_idx = mi_col * 2;
288 const int left_idx = (mi_row * 2) & 15;
290 for (i = 0; i < MAX_MB_PLANE; i++) {
291 struct macroblockd_plane *const pd = &xd->plane[i];
292 pd->above_context = above_context[i] + (above_idx >> pd->subsampling_x);
293 pd->left_context = left_context[i] + (left_idx >> pd->subsampling_y);
297 static void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
300 int mi_rows, int mi_cols) {
301 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
302 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
303 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
304 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
306 // Are edges available for intra prediction?
307 xd->up_available = (mi_row != 0);
308 xd->left_available = (mi_col > tile->mi_col_start);
311 static void set_prev_mi(VP9_COMMON *cm) {
312 const int use_prev_in_find_mv_refs = cm->width == cm->last_width &&
313 cm->height == cm->last_height &&
314 !cm->error_resilient_mode &&
317 // Special case: set prev_mi to NULL when the previous mode info
318 // context cannot be used.
319 cm->prev_mi = use_prev_in_find_mv_refs ?
320 cm->prev_mip + cm->mode_info_stride + 1 : NULL;
323 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) {
324 return cm->frame_type == KEY_FRAME || cm->intra_only;
327 static INLINE void update_partition_context(
328 PARTITION_CONTEXT *above_seg_context,
329 PARTITION_CONTEXT left_seg_context[8],
330 int mi_row, int mi_col, BLOCK_SIZE subsize, BLOCK_SIZE bsize) {
331 PARTITION_CONTEXT *const above_ctx = above_seg_context + mi_col;
332 PARTITION_CONTEXT *const left_ctx = left_seg_context + (mi_row & MI_MASK);
334 // num_4x4_blocks_wide_lookup[bsize] / 2
335 const int bs = num_8x8_blocks_wide_lookup[bsize];
337 // update the partition context at the end notes. set partition bits
338 // of block sizes larger than the current one to be one, and partition
339 // bits of smaller block sizes to be zero.
340 vpx_memset(above_ctx, partition_context_lookup[subsize].above, bs);
341 vpx_memset(left_ctx, partition_context_lookup[subsize].left, bs);
344 static INLINE int partition_plane_context(
345 const PARTITION_CONTEXT *above_seg_context,
346 const PARTITION_CONTEXT left_seg_context[8],
347 int mi_row, int mi_col, BLOCK_SIZE bsize) {
348 const PARTITION_CONTEXT *above_ctx = above_seg_context + mi_col;
349 const PARTITION_CONTEXT *left_ctx = left_seg_context + (mi_row & MI_MASK);
351 const int bsl = mi_width_log2(bsize);
352 const int bs = 1 << bsl;
353 int above = 0, left = 0, i;
355 assert(mi_width_log2(bsize) == mi_height_log2(bsize));
358 for (i = 0; i < bs; i++) {
359 above |= above_ctx[i];
362 above = (above & bs) > 0;
363 left = (left & bs) > 0;
365 return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
368 #endif // VP9_COMMON_VP9_ONYXC_INT_H_