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
72 COLOR_SPACE color_space;
73
74 int width;
75 int height;
76 int display_width;
77 int display_height;
78 int last_width;
79 int last_height;
80
81 // TODO(jkoleszar): this implies chroma ss right now, but could vary per
82 // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
83 // support additional planes.
84 int subsampling_x;
85 int subsampling_y;
86
87 YV12_BUFFER_CONFIG *frame_to_show;
88
89 RefCntBuffer frame_bufs[FRAME_BUFFERS];
90
91 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */
92
93 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
94 // roll new_fb_idx into it.
95
96 // Each frame can reference REFS_PER_FRAME buffers
97 RefBuffer frame_refs[REFS_PER_FRAME];
98
99 int new_fb_idx;
100
101 YV12_BUFFER_CONFIG post_proc_buffer;
102
103 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
104 FRAME_TYPE frame_type;
105
106 int show_frame;
107 int last_show_frame;
108 int show_existing_frame;
109
110 // Flag signaling that the frame is encoded using only INTRA modes.
111 int intra_only;
112
113 int allow_high_precision_mv;
114
115 // Flag signaling that the frame context should be reset to default values.
116 // 0 or 1 implies don't reset, 2 reset just the context specified in the
117 // frame header, 3 reset all contexts.
118 int reset_frame_context;
119
120 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
121 // MODE_INFO (8-pixel) units.
122 int MBs;
123 int mb_rows, mi_rows;
124 int mb_cols, mi_cols;
125 int mi_stride;
126
127 /* profile settings */
128 TX_MODE tx_mode;
129
130 int base_qindex;
131 int y_dc_delta_q;
132 int uv_dc_delta_q;
133 int uv_ac_delta_q;
134
135 /* We allocate a MODE_INFO struct for each macroblock, together with
136 an extra row on top and column on the left to simplify prediction. */
137
138 int mi_idx;
139 int prev_mi_idx;
140 MODE_INFO *mip_array[2];
141 MODE_INFO **mi_grid_base_array[2];
142
143 MODE_INFO *mip; /* Base of allocated array */
144 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
145 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
146 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
147
148 MODE_INFO **mi_grid_base;
149 MODE_INFO **mi_grid_visible;
150 MODE_INFO **prev_mi_grid_base;
151 MODE_INFO **prev_mi_grid_visible;
152
153 // Persistent mb segment id map used in prediction.
154 unsigned char *last_frame_seg_map;
155
156 INTERP_FILTER interp_filter;
157
158 loop_filter_info_n lf_info;
159
160 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
161
162 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
163
164 struct loopfilter lf;
165 struct segmentation seg;
166
167 // Context probabilities for reference frame prediction
168 int allow_comp_inter_inter;
169 MV_REFERENCE_FRAME comp_fixed_ref;
170 MV_REFERENCE_FRAME comp_var_ref[2];
171 REFERENCE_MODE reference_mode;
172
173 FRAME_CONTEXT fc; /* this frame entropy */
174 FRAME_CONTEXT frame_contexts[FRAME_CONTEXTS];
175 unsigned int frame_context_idx; /* Context to use/update */
176 FRAME_COUNTS counts;
177
178 unsigned int current_video_frame;
179 BITSTREAM_PROFILE profile;
180
181 // BITS_8 in versions 0 and 1, BITS_10 or BITS_12 in version 2
182 BIT_DEPTH bit_depth;
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 int log2_tile_cols, log2_tile_rows;
192
193 // Private data associated with the frame buffer callbacks.
194 void *cb_priv;
195 vpx_get_frame_buffer_cb_fn_t get_fb_cb;
196 vpx_release_frame_buffer_cb_fn_t release_fb_cb;
197
198 // Handles memory for the codec.
199 InternalFrameBufferList int_frame_buffers;
200
201 PARTITION_CONTEXT *above_seg_context;
202 ENTROPY_CONTEXT *above_context;
203 } VP9_COMMON;
204
get_ref_frame(VP9_COMMON * cm,int index)205 static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP9_COMMON *cm, int index) {
206 if (index < 0 || index >= REF_FRAMES)
207 return NULL;
208 if (cm->ref_frame_map[index] < 0)
209 return NULL;
210 assert(cm->ref_frame_map[index] < REF_FRAMES);
211 return &cm->frame_bufs[cm->ref_frame_map[index]].buf;
212 }
213
get_frame_new_buffer(VP9_COMMON * cm)214 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) {
215 return &cm->frame_bufs[cm->new_fb_idx].buf;
216 }
217
get_free_fb(VP9_COMMON * cm)218 static INLINE int get_free_fb(VP9_COMMON *cm) {
219 int i;
220 for (i = 0; i < FRAME_BUFFERS; i++)
221 if (cm->frame_bufs[i].ref_count == 0)
222 break;
223
224 assert(i < FRAME_BUFFERS);
225 cm->frame_bufs[i].ref_count = 1;
226 return i;
227 }
228
ref_cnt_fb(RefCntBuffer * bufs,int * idx,int new_idx)229 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
230 const int ref_index = *idx;
231
232 if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
233 bufs[ref_index].ref_count--;
234
235 *idx = new_idx;
236
237 bufs[new_idx].ref_count++;
238 }
239
mi_cols_aligned_to_sb(int n_mis)240 static INLINE int mi_cols_aligned_to_sb(int n_mis) {
241 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
242 }
243
init_macroblockd(VP9_COMMON * cm,MACROBLOCKD * xd)244 static INLINE void init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd) {
245 int i;
246
247 for (i = 0; i < MAX_MB_PLANE; ++i) {
248 xd->plane[i].dqcoeff = xd->dqcoeff[i];
249 xd->above_context[i] = cm->above_context +
250 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols);
251 }
252
253 xd->above_seg_context = cm->above_seg_context;
254 xd->mi_stride = cm->mi_stride;
255 }
256
frame_is_intra_only(const VP9_COMMON * const cm)257 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) {
258 return cm->frame_type == KEY_FRAME || cm->intra_only;
259 }
260
get_partition_probs(const VP9_COMMON * cm,int ctx)261 static INLINE const vp9_prob* get_partition_probs(const VP9_COMMON *cm,
262 int ctx) {
263 return frame_is_intra_only(cm) ? vp9_kf_partition_probs[ctx]
264 : cm->fc.partition_prob[ctx];
265 }
266
set_skip_context(MACROBLOCKD * xd,int mi_row,int mi_col)267 static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) {
268 const int above_idx = mi_col * 2;
269 const int left_idx = (mi_row * 2) & 15;
270 int i;
271 for (i = 0; i < MAX_MB_PLANE; ++i) {
272 struct macroblockd_plane *const pd = &xd->plane[i];
273 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x];
274 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y];
275 }
276 }
277
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)278 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
279 int mi_row, int bh,
280 int mi_col, int bw,
281 int mi_rows, int mi_cols) {
282 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
283 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
284 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
285 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
286
287 // Are edges available for intra prediction?
288 xd->up_available = (mi_row != 0);
289 xd->left_available = (mi_col > tile->mi_col_start);
290 }
291
set_prev_mi(VP9_COMMON * cm)292 static INLINE void set_prev_mi(VP9_COMMON *cm) {
293 const int use_prev_in_find_mv_refs = cm->width == cm->last_width &&
294 cm->height == cm->last_height &&
295 !cm->intra_only &&
296 cm->last_show_frame;
297 // Special case: set prev_mi to NULL when the previous mode info
298 // context cannot be used.
299 cm->prev_mi = use_prev_in_find_mv_refs ?
300 cm->prev_mip + cm->mi_stride + 1 : NULL;
301 }
302
update_partition_context(MACROBLOCKD * xd,int mi_row,int mi_col,BLOCK_SIZE subsize,BLOCK_SIZE bsize)303 static INLINE void update_partition_context(MACROBLOCKD *xd,
304 int mi_row, int mi_col,
305 BLOCK_SIZE subsize,
306 BLOCK_SIZE bsize) {
307 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
308 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
309
310 // num_4x4_blocks_wide_lookup[bsize] / 2
311 const int bs = num_8x8_blocks_wide_lookup[bsize];
312
313 // update the partition context at the end notes. set partition bits
314 // of block sizes larger than the current one to be one, and partition
315 // bits of smaller block sizes to be zero.
316 vpx_memset(above_ctx, partition_context_lookup[subsize].above, bs);
317 vpx_memset(left_ctx, partition_context_lookup[subsize].left, bs);
318 }
319
partition_plane_context(const MACROBLOCKD * xd,int mi_row,int mi_col,BLOCK_SIZE bsize)320 static INLINE int partition_plane_context(const MACROBLOCKD *xd,
321 int mi_row, int mi_col,
322 BLOCK_SIZE bsize) {
323 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
324 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
325
326 const int bsl = mi_width_log2(bsize);
327 const int bs = 1 << bsl;
328 int above = 0, left = 0, i;
329
330 assert(b_width_log2(bsize) == b_height_log2(bsize));
331 assert(bsl >= 0);
332
333 for (i = 0; i < bs; i++) {
334 above |= above_ctx[i];
335 left |= left_ctx[i];
336 }
337 above = (above & bs) > 0;
338 left = (left & bs) > 0;
339
340 return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
341 }
342
343 #ifdef __cplusplus
344 } // extern "C"
345 #endif
346
347 #endif // VP9_COMMON_VP9_ONYXC_INT_H_
348