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 #ifndef VP9_COMMON_VP9_ONYXC_INT_H_
12 #define VP9_COMMON_VP9_ONYXC_INT_H_
13
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_frame_buffers.h"
22 #include "vp9/common/vp9_quant_common.h"
23 #include "vp9/common/vp9_tile_common.h"
24
25 #if CONFIG_VP9_POSTPROC
26 #include "vp9/common/vp9_postproc.h"
27 #endif
28
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32
33 #define REFS_PER_FRAME 3
34
35 #define REF_FRAMES_LOG2 3
36 #define REF_FRAMES (1 << REF_FRAMES_LOG2)
37
38 // 1 scratch frame for the new frame, 3 for scaled references on the encoder
39 // TODO(jkoleszar): These 3 extra references could probably come from the
40 // normal reference pool.
41 #define FRAME_BUFFERS (REF_FRAMES + 4)
42
43 #define FRAME_CONTEXTS_LOG2 2
44 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
45
46 extern const struct {
47 PARTITION_CONTEXT above;
48 PARTITION_CONTEXT left;
49 } partition_context_lookup[BLOCK_SIZES];
50
51
52 typedef enum {
53 SINGLE_REFERENCE = 0,
54 COMPOUND_REFERENCE = 1,
55 REFERENCE_MODE_SELECT = 2,
56 REFERENCE_MODES = 3,
57 } REFERENCE_MODE;
58
59
60 typedef struct {
61 int ref_count;
62 vpx_codec_frame_buffer_t raw_frame_buffer;
63 YV12_BUFFER_CONFIG buf;
64 } RefCntBuffer;
65
66 typedef struct VP9Common {
67 struct vpx_internal_error_info error;
68
69 DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]);
70 DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]);
71 #if CONFIG_ALPHA
72 DECLARE_ALIGNED(16, int16_t, a_dequant[QINDEX_RANGE][8]);
73 #endif
74
75 COLOR_SPACE color_space;
76
77 int width;
78 int height;
79 int display_width;
80 int display_height;
81 int last_width;
82 int last_height;
83
84 // TODO(jkoleszar): this implies chroma ss right now, but could vary per
85 // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
86 // support additional planes.
87 int subsampling_x;
88 int subsampling_y;
89
90 YV12_BUFFER_CONFIG *frame_to_show;
91
92 RefCntBuffer frame_bufs[FRAME_BUFFERS];
93
94 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */
95
96 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
97 // roll new_fb_idx into it.
98
99 // Each frame can reference REFS_PER_FRAME buffers
100 RefBuffer frame_refs[REFS_PER_FRAME];
101
102 int new_fb_idx;
103
104 YV12_BUFFER_CONFIG post_proc_buffer;
105
106 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
107 FRAME_TYPE frame_type;
108
109 int show_frame;
110 int last_show_frame;
111 int show_existing_frame;
112
113 // Flag signaling that the frame is encoded using only INTRA modes.
114 int intra_only;
115
116 int allow_high_precision_mv;
117
118 // Flag signaling that the frame context should be reset to default values.
119 // 0 or 1 implies don't reset, 2 reset just the context specified in the
120 // frame header, 3 reset all contexts.
121 int reset_frame_context;
122
123 int frame_flags;
124 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
125 // MODE_INFO (8-pixel) units.
126 int MBs;
127 int mb_rows, mi_rows;
128 int mb_cols, mi_cols;
129 int mi_stride;
130
131 /* profile settings */
132 TX_MODE tx_mode;
133
134 int base_qindex;
135 int y_dc_delta_q;
136 int uv_dc_delta_q;
137 int uv_ac_delta_q;
138 #if CONFIG_ALPHA
139 int a_dc_delta_q;
140 int a_ac_delta_q;
141 #endif
142
143 /* We allocate a MODE_INFO struct for each macroblock, together with
144 an extra row on top and column on the left to simplify prediction. */
145
146 MODE_INFO *mip; /* Base of allocated array */
147 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
148 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
149 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
150
151 MODE_INFO **mi_grid_base;
152 MODE_INFO **mi_grid_visible;
153 MODE_INFO **prev_mi_grid_base;
154 MODE_INFO **prev_mi_grid_visible;
155
156 // Persistent mb segment id map used in prediction.
157 unsigned char *last_frame_seg_map;
158
159 INTERP_FILTER interp_filter;
160
161 loop_filter_info_n lf_info;
162
163 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
164
165 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
166
167 struct loopfilter lf;
168 struct segmentation seg;
169
170 // Context probabilities for reference frame prediction
171 int allow_comp_inter_inter;
172 MV_REFERENCE_FRAME comp_fixed_ref;
173 MV_REFERENCE_FRAME comp_var_ref[2];
174 REFERENCE_MODE reference_mode;
175
176 FRAME_CONTEXT fc; /* this frame entropy */
177 FRAME_CONTEXT frame_contexts[FRAME_CONTEXTS];
178 unsigned int frame_context_idx; /* Context to use/update */
179 FRAME_COUNTS counts;
180
181 unsigned int current_video_frame;
182 int version;
183
184 #if CONFIG_VP9_POSTPROC
185 struct postproc_state postproc_state;
186 #endif
187
188 int error_resilient_mode;
189 int frame_parallel_decoding_mode;
190
191 // Flag indicates if prev_mi can be used in coding:
192 // 0: encoder assumes decoder does not have prev_mi
193 // 1: encoder assumes decoder has and uses prev_mi
194 unsigned int coding_use_prev_mi;
195
196 int log2_tile_cols, log2_tile_rows;
197
198 // Private data associated with the frame buffer callbacks.
199 void *cb_priv;
200 vpx_get_frame_buffer_cb_fn_t get_fb_cb;
201 vpx_release_frame_buffer_cb_fn_t release_fb_cb;
202
203 // Handles memory for the codec.
204 InternalFrameBufferList int_frame_buffers;
205
206 PARTITION_CONTEXT *above_seg_context;
207 ENTROPY_CONTEXT *above_context;
208 } VP9_COMMON;
209
get_frame_new_buffer(VP9_COMMON * cm)210 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) {
211 return &cm->frame_bufs[cm->new_fb_idx].buf;
212 }
213
get_free_fb(VP9_COMMON * cm)214 static INLINE int get_free_fb(VP9_COMMON *cm) {
215 int i;
216 for (i = 0; i < FRAME_BUFFERS; i++)
217 if (cm->frame_bufs[i].ref_count == 0)
218 break;
219
220 assert(i < FRAME_BUFFERS);
221 cm->frame_bufs[i].ref_count = 1;
222 return i;
223 }
224
ref_cnt_fb(RefCntBuffer * bufs,int * idx,int new_idx)225 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
226 const int ref_index = *idx;
227
228 if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
229 bufs[ref_index].ref_count--;
230
231 *idx = new_idx;
232
233 bufs[new_idx].ref_count++;
234 }
235
mi_cols_aligned_to_sb(int n_mis)236 static INLINE int mi_cols_aligned_to_sb(int n_mis) {
237 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
238 }
239
init_macroblockd(VP9_COMMON * cm,MACROBLOCKD * xd)240 static INLINE void init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd) {
241 int i;
242
243 for (i = 0; i < MAX_MB_PLANE; ++i) {
244 xd->plane[i].dqcoeff = xd->dqcoeff[i];
245 xd->above_context[i] = cm->above_context +
246 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols);
247 }
248
249 xd->above_seg_context = cm->above_seg_context;
250 xd->mi_stride = cm->mi_stride;
251 }
252
get_partition_probs(const VP9_COMMON * cm,int ctx)253 static INLINE const vp9_prob* get_partition_probs(const VP9_COMMON *cm,
254 int ctx) {
255 return cm->frame_type == KEY_FRAME ? vp9_kf_partition_probs[ctx]
256 : cm->fc.partition_prob[ctx];
257 }
258
set_skip_context(MACROBLOCKD * xd,int mi_row,int mi_col)259 static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) {
260 const int above_idx = mi_col * 2;
261 const int left_idx = (mi_row * 2) & 15;
262 int i;
263 for (i = 0; i < MAX_MB_PLANE; ++i) {
264 struct macroblockd_plane *const pd = &xd->plane[i];
265 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x];
266 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y];
267 }
268 }
269
set_mi_row_col(MACROBLOCKD * xd,const TileInfo * const tile,int mi_row,int bh,int mi_col,int bw,int mi_rows,int mi_cols)270 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
271 int mi_row, int bh,
272 int mi_col, int bw,
273 int mi_rows, int mi_cols) {
274 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
275 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
276 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
277 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
278
279 // Are edges available for intra prediction?
280 xd->up_available = (mi_row != 0);
281 xd->left_available = (mi_col > tile->mi_col_start);
282 }
283
set_prev_mi(VP9_COMMON * cm)284 static INLINE void set_prev_mi(VP9_COMMON *cm) {
285 const int use_prev_in_find_mv_refs = cm->width == cm->last_width &&
286 cm->height == cm->last_height &&
287 !cm->intra_only &&
288 cm->last_show_frame;
289 // Special case: set prev_mi to NULL when the previous mode info
290 // context cannot be used.
291 cm->prev_mi = use_prev_in_find_mv_refs ?
292 cm->prev_mip + cm->mi_stride + 1 : NULL;
293 }
294
frame_is_intra_only(const VP9_COMMON * const cm)295 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) {
296 return cm->frame_type == KEY_FRAME || cm->intra_only;
297 }
298
update_partition_context(MACROBLOCKD * xd,int mi_row,int mi_col,BLOCK_SIZE subsize,BLOCK_SIZE bsize)299 static INLINE void update_partition_context(MACROBLOCKD *xd,
300 int mi_row, int mi_col,
301 BLOCK_SIZE subsize,
302 BLOCK_SIZE bsize) {
303 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
304 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
305
306 // num_4x4_blocks_wide_lookup[bsize] / 2
307 const int bs = num_8x8_blocks_wide_lookup[bsize];
308
309 // update the partition context at the end notes. set partition bits
310 // of block sizes larger than the current one to be one, and partition
311 // bits of smaller block sizes to be zero.
312 vpx_memset(above_ctx, partition_context_lookup[subsize].above, bs);
313 vpx_memset(left_ctx, partition_context_lookup[subsize].left, bs);
314 }
315
partition_plane_context(const MACROBLOCKD * xd,int mi_row,int mi_col,BLOCK_SIZE bsize)316 static INLINE int partition_plane_context(const MACROBLOCKD *xd,
317 int mi_row, int mi_col,
318 BLOCK_SIZE bsize) {
319 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
320 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
321
322 const int bsl = mi_width_log2(bsize);
323 const int bs = 1 << bsl;
324 int above = 0, left = 0, i;
325
326 assert(b_width_log2(bsize) == b_height_log2(bsize));
327 assert(bsl >= 0);
328
329 for (i = 0; i < bs; i++) {
330 above |= above_ctx[i];
331 left |= left_ctx[i];
332 }
333 above = (above & bs) > 0;
334 left = (left & bs) > 0;
335
336 return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
337 }
338
339 #ifdef __cplusplus
340 } // extern "C"
341 #endif
342
343 #endif // VP9_COMMON_VP9_ONYXC_INT_H_
344