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1 /* | 1 /* |
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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41 #define FRAME_BUFFERS (REF_FRAMES + 4) | 41 #define FRAME_BUFFERS (REF_FRAMES + 4) |
42 | 42 |
43 #define FRAME_CONTEXTS_LOG2 2 | 43 #define FRAME_CONTEXTS_LOG2 2 |
44 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2) | 44 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2) |
45 | 45 |
46 extern const struct { | 46 extern const struct { |
47 PARTITION_CONTEXT above; | 47 PARTITION_CONTEXT above; |
48 PARTITION_CONTEXT left; | 48 PARTITION_CONTEXT left; |
49 } partition_context_lookup[BLOCK_SIZES]; | 49 } partition_context_lookup[BLOCK_SIZES]; |
50 | 50 |
51 typedef struct frame_contexts { | |
52 vp9_prob y_mode_prob[BLOCK_SIZE_GROUPS][INTRA_MODES - 1]; | |
53 vp9_prob uv_mode_prob[INTRA_MODES][INTRA_MODES - 1]; | |
54 vp9_prob partition_prob[PARTITION_CONTEXTS][PARTITION_TYPES - 1]; | |
55 vp9_coeff_probs_model coef_probs[TX_SIZES][PLANE_TYPES]; | |
56 vp9_prob switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS] | |
57 [SWITCHABLE_FILTERS - 1]; | |
58 vp9_prob inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1]; | |
59 vp9_prob intra_inter_prob[INTRA_INTER_CONTEXTS]; | |
60 vp9_prob comp_inter_prob[COMP_INTER_CONTEXTS]; | |
61 vp9_prob single_ref_prob[REF_CONTEXTS][2]; | |
62 vp9_prob comp_ref_prob[REF_CONTEXTS]; | |
63 struct tx_probs tx_probs; | |
64 vp9_prob skip_probs[SKIP_CONTEXTS]; | |
65 nmv_context nmvc; | |
66 } FRAME_CONTEXT; | |
67 | |
68 typedef struct { | |
69 unsigned int y_mode[BLOCK_SIZE_GROUPS][INTRA_MODES]; | |
70 unsigned int uv_mode[INTRA_MODES][INTRA_MODES]; | |
71 unsigned int partition[PARTITION_CONTEXTS][PARTITION_TYPES]; | |
72 vp9_coeff_count_model coef[TX_SIZES][PLANE_TYPES]; | |
73 unsigned int eob_branch[TX_SIZES][PLANE_TYPES][REF_TYPES] | |
74 [COEF_BANDS][COEFF_CONTEXTS]; | |
75 unsigned int switchable_interp[SWITCHABLE_FILTER_CONTEXTS] | |
76 [SWITCHABLE_FILTERS]; | |
77 unsigned int inter_mode[INTER_MODE_CONTEXTS][INTER_MODES]; | |
78 unsigned int intra_inter[INTRA_INTER_CONTEXTS][2]; | |
79 unsigned int comp_inter[COMP_INTER_CONTEXTS][2]; | |
80 unsigned int single_ref[REF_CONTEXTS][2][2]; | |
81 unsigned int comp_ref[REF_CONTEXTS][2]; | |
82 struct tx_counts tx; | |
83 unsigned int skip[SKIP_CONTEXTS][2]; | |
84 nmv_context_counts mv; | |
85 } FRAME_COUNTS; | |
86 | |
87 | 51 |
88 typedef enum { | 52 typedef enum { |
89 SINGLE_REFERENCE = 0, | 53 SINGLE_REFERENCE = 0, |
90 COMPOUND_REFERENCE = 1, | 54 COMPOUND_REFERENCE = 1, |
91 REFERENCE_MODE_SELECT = 2, | 55 REFERENCE_MODE_SELECT = 2, |
92 REFERENCE_MODES = 3, | 56 REFERENCE_MODES = 3, |
93 } REFERENCE_MODE; | 57 } REFERENCE_MODE; |
94 | 58 |
95 | 59 |
96 typedef struct { | 60 typedef struct { |
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155 // 0 or 1 implies don't reset, 2 reset just the context specified in the | 119 // 0 or 1 implies don't reset, 2 reset just the context specified in the |
156 // frame header, 3 reset all contexts. | 120 // frame header, 3 reset all contexts. |
157 int reset_frame_context; | 121 int reset_frame_context; |
158 | 122 |
159 int frame_flags; | 123 int frame_flags; |
160 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in | 124 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in |
161 // MODE_INFO (8-pixel) units. | 125 // MODE_INFO (8-pixel) units. |
162 int MBs; | 126 int MBs; |
163 int mb_rows, mi_rows; | 127 int mb_rows, mi_rows; |
164 int mb_cols, mi_cols; | 128 int mb_cols, mi_cols; |
165 int mode_info_stride; | 129 int mi_stride; |
166 | 130 |
167 /* profile settings */ | 131 /* profile settings */ |
168 TX_MODE tx_mode; | 132 TX_MODE tx_mode; |
169 | 133 |
170 int base_qindex; | 134 int base_qindex; |
171 int y_dc_delta_q; | 135 int y_dc_delta_q; |
172 int uv_dc_delta_q; | 136 int uv_dc_delta_q; |
173 int uv_ac_delta_q; | 137 int uv_ac_delta_q; |
174 #if CONFIG_ALPHA | 138 #if CONFIG_ALPHA |
175 int a_dc_delta_q; | 139 int a_dc_delta_q; |
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208 MV_REFERENCE_FRAME comp_fixed_ref; | 172 MV_REFERENCE_FRAME comp_fixed_ref; |
209 MV_REFERENCE_FRAME comp_var_ref[2]; | 173 MV_REFERENCE_FRAME comp_var_ref[2]; |
210 REFERENCE_MODE reference_mode; | 174 REFERENCE_MODE reference_mode; |
211 | 175 |
212 FRAME_CONTEXT fc; /* this frame entropy */ | 176 FRAME_CONTEXT fc; /* this frame entropy */ |
213 FRAME_CONTEXT frame_contexts[FRAME_CONTEXTS]; | 177 FRAME_CONTEXT frame_contexts[FRAME_CONTEXTS]; |
214 unsigned int frame_context_idx; /* Context to use/update */ | 178 unsigned int frame_context_idx; /* Context to use/update */ |
215 FRAME_COUNTS counts; | 179 FRAME_COUNTS counts; |
216 | 180 |
217 unsigned int current_video_frame; | 181 unsigned int current_video_frame; |
218 int version; | 182 BITSTREAM_PROFILE profile; |
| 183 |
| 184 // BITS_8 in versions 0 and 1, BITS_10 or BITS_12 in version 2 |
| 185 BIT_DEPTH bit_depth; |
219 | 186 |
220 #if CONFIG_VP9_POSTPROC | 187 #if CONFIG_VP9_POSTPROC |
221 struct postproc_state postproc_state; | 188 struct postproc_state postproc_state; |
222 #endif | 189 #endif |
223 | 190 |
224 int error_resilient_mode; | 191 int error_resilient_mode; |
225 int frame_parallel_decoding_mode; | 192 int frame_parallel_decoding_mode; |
226 | 193 |
227 // Flag indicates if prev_mi can be used in coding: | 194 // Flag indicates if prev_mi can be used in coding: |
228 // 0: encoder assumes decoder does not have prev_mi | 195 // 0: encoder assumes decoder does not have prev_mi |
229 // 1: encoder assumes decoder has and uses prev_mi | 196 // 1: encoder assumes decoder has and uses prev_mi |
230 unsigned int coding_use_prev_mi; | 197 unsigned int coding_use_prev_mi; |
231 | 198 |
232 int log2_tile_cols, log2_tile_rows; | 199 int log2_tile_cols, log2_tile_rows; |
233 | 200 |
234 // Private data associated with the frame buffer callbacks. | 201 // Private data associated with the frame buffer callbacks. |
235 void *cb_priv; | 202 void *cb_priv; |
236 vpx_get_frame_buffer_cb_fn_t get_fb_cb; | 203 vpx_get_frame_buffer_cb_fn_t get_fb_cb; |
237 vpx_release_frame_buffer_cb_fn_t release_fb_cb; | 204 vpx_release_frame_buffer_cb_fn_t release_fb_cb; |
238 | 205 |
239 // Handles memory for the codec. | 206 // Handles memory for the codec. |
240 InternalFrameBufferList int_frame_buffers; | 207 InternalFrameBufferList int_frame_buffers; |
| 208 |
| 209 PARTITION_CONTEXT *above_seg_context; |
| 210 ENTROPY_CONTEXT *above_context; |
241 } VP9_COMMON; | 211 } VP9_COMMON; |
242 | 212 |
243 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) { | 213 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) { |
244 return &cm->frame_bufs[cm->new_fb_idx].buf; | 214 return &cm->frame_bufs[cm->new_fb_idx].buf; |
245 } | 215 } |
246 | 216 |
247 static INLINE int get_free_fb(VP9_COMMON *cm) { | 217 static INLINE int get_free_fb(VP9_COMMON *cm) { |
248 int i; | 218 int i; |
249 for (i = 0; i < FRAME_BUFFERS; i++) | 219 for (i = 0; i < FRAME_BUFFERS; i++) |
250 if (cm->frame_bufs[i].ref_count == 0) | 220 if (cm->frame_bufs[i].ref_count == 0) |
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263 | 233 |
264 *idx = new_idx; | 234 *idx = new_idx; |
265 | 235 |
266 bufs[new_idx].ref_count++; | 236 bufs[new_idx].ref_count++; |
267 } | 237 } |
268 | 238 |
269 static INLINE int mi_cols_aligned_to_sb(int n_mis) { | 239 static INLINE int mi_cols_aligned_to_sb(int n_mis) { |
270 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2); | 240 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2); |
271 } | 241 } |
272 | 242 |
273 static INLINE const vp9_prob* get_partition_probs(VP9_COMMON *cm, int ctx) { | 243 static INLINE void init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd) { |
| 244 int i; |
| 245 |
| 246 for (i = 0; i < MAX_MB_PLANE; ++i) { |
| 247 xd->plane[i].dqcoeff = xd->dqcoeff[i]; |
| 248 xd->above_context[i] = cm->above_context + |
| 249 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols); |
| 250 } |
| 251 |
| 252 xd->above_seg_context = cm->above_seg_context; |
| 253 xd->mi_stride = cm->mi_stride; |
| 254 } |
| 255 |
| 256 static INLINE const vp9_prob* get_partition_probs(const VP9_COMMON *cm, |
| 257 int ctx) { |
274 return cm->frame_type == KEY_FRAME ? vp9_kf_partition_probs[ctx] | 258 return cm->frame_type == KEY_FRAME ? vp9_kf_partition_probs[ctx] |
275 : cm->fc.partition_prob[ctx]; | 259 : cm->fc.partition_prob[ctx]; |
276 } | 260 } |
277 | 261 |
278 static INLINE void set_skip_context( | 262 static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) { |
279 MACROBLOCKD *xd, | |
280 ENTROPY_CONTEXT *above_context[MAX_MB_PLANE], | |
281 ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16], | |
282 int mi_row, int mi_col) { | |
283 const int above_idx = mi_col * 2; | 263 const int above_idx = mi_col * 2; |
284 const int left_idx = (mi_row * 2) & 15; | 264 const int left_idx = (mi_row * 2) & 15; |
285 int i; | 265 int i; |
286 for (i = 0; i < MAX_MB_PLANE; i++) { | 266 for (i = 0; i < MAX_MB_PLANE; ++i) { |
287 struct macroblockd_plane *const pd = &xd->plane[i]; | 267 struct macroblockd_plane *const pd = &xd->plane[i]; |
288 pd->above_context = above_context[i] + (above_idx >> pd->subsampling_x); | 268 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x]; |
289 pd->left_context = left_context[i] + (left_idx >> pd->subsampling_y); | 269 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y]; |
290 } | 270 } |
291 } | 271 } |
292 | 272 |
293 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile, | 273 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile, |
294 int mi_row, int bh, | 274 int mi_row, int bh, |
295 int mi_col, int bw, | 275 int mi_col, int bw, |
296 int mi_rows, int mi_cols) { | 276 int mi_rows, int mi_cols) { |
297 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8); | 277 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8); |
298 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8; | 278 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8; |
299 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8); | 279 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8); |
300 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8; | 280 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8; |
301 | 281 |
302 // Are edges available for intra prediction? | 282 // Are edges available for intra prediction? |
303 xd->up_available = (mi_row != 0); | 283 xd->up_available = (mi_row != 0); |
304 xd->left_available = (mi_col > tile->mi_col_start); | 284 xd->left_available = (mi_col > tile->mi_col_start); |
305 } | 285 } |
306 | 286 |
307 static void set_prev_mi(VP9_COMMON *cm) { | 287 static INLINE void set_prev_mi(VP9_COMMON *cm) { |
308 const int use_prev_in_find_mv_refs = cm->width == cm->last_width && | 288 const int use_prev_in_find_mv_refs = cm->width == cm->last_width && |
309 cm->height == cm->last_height && | 289 cm->height == cm->last_height && |
310 !cm->intra_only && | 290 !cm->intra_only && |
311 cm->last_show_frame; | 291 cm->last_show_frame; |
312 // Special case: set prev_mi to NULL when the previous mode info | 292 // Special case: set prev_mi to NULL when the previous mode info |
313 // context cannot be used. | 293 // context cannot be used. |
314 cm->prev_mi = use_prev_in_find_mv_refs ? | 294 cm->prev_mi = use_prev_in_find_mv_refs ? |
315 cm->prev_mip + cm->mode_info_stride + 1 : NULL; | 295 cm->prev_mip + cm->mi_stride + 1 : NULL; |
316 } | 296 } |
317 | 297 |
318 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) { | 298 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) { |
319 return cm->frame_type == KEY_FRAME || cm->intra_only; | 299 return cm->frame_type == KEY_FRAME || cm->intra_only; |
320 } | 300 } |
321 | 301 |
322 static INLINE void update_partition_context( | 302 static INLINE void update_partition_context(MACROBLOCKD *xd, |
323 PARTITION_CONTEXT *above_seg_context, | 303 int mi_row, int mi_col, |
324 PARTITION_CONTEXT left_seg_context[8], | 304 BLOCK_SIZE subsize, |
325 int mi_row, int mi_col, BLOCK_SIZE subsize, BLOCK_SIZE bsize) { | 305 BLOCK_SIZE bsize) { |
326 PARTITION_CONTEXT *const above_ctx = above_seg_context + mi_col; | 306 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col; |
327 PARTITION_CONTEXT *const left_ctx = left_seg_context + (mi_row & MI_MASK); | 307 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK); |
328 | 308 |
329 // num_4x4_blocks_wide_lookup[bsize] / 2 | 309 // num_4x4_blocks_wide_lookup[bsize] / 2 |
330 const int bs = num_8x8_blocks_wide_lookup[bsize]; | 310 const int bs = num_8x8_blocks_wide_lookup[bsize]; |
331 | 311 |
332 // update the partition context at the end notes. set partition bits | 312 // update the partition context at the end notes. set partition bits |
333 // of block sizes larger than the current one to be one, and partition | 313 // of block sizes larger than the current one to be one, and partition |
334 // bits of smaller block sizes to be zero. | 314 // bits of smaller block sizes to be zero. |
335 vpx_memset(above_ctx, partition_context_lookup[subsize].above, bs); | 315 vpx_memset(above_ctx, partition_context_lookup[subsize].above, bs); |
336 vpx_memset(left_ctx, partition_context_lookup[subsize].left, bs); | 316 vpx_memset(left_ctx, partition_context_lookup[subsize].left, bs); |
337 } | 317 } |
338 | 318 |
339 static INLINE int partition_plane_context( | 319 static INLINE int partition_plane_context(const MACROBLOCKD *xd, |
340 const PARTITION_CONTEXT *above_seg_context, | 320 int mi_row, int mi_col, |
341 const PARTITION_CONTEXT left_seg_context[8], | 321 BLOCK_SIZE bsize) { |
342 int mi_row, int mi_col, BLOCK_SIZE bsize) { | 322 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; |
343 const PARTITION_CONTEXT *above_ctx = above_seg_context + mi_col; | 323 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK); |
344 const PARTITION_CONTEXT *left_ctx = left_seg_context + (mi_row & MI_MASK); | |
345 | 324 |
346 const int bsl = mi_width_log2(bsize); | 325 const int bsl = mi_width_log2(bsize); |
347 const int bs = 1 << bsl; | 326 const int bs = 1 << bsl; |
348 int above = 0, left = 0, i; | 327 int above = 0, left = 0, i; |
349 | 328 |
350 assert(b_width_log2(bsize) == b_height_log2(bsize)); | 329 assert(b_width_log2(bsize) == b_height_log2(bsize)); |
351 assert(bsl >= 0); | 330 assert(bsl >= 0); |
352 | 331 |
353 for (i = 0; i < bs; i++) { | 332 for (i = 0; i < bs; i++) { |
354 above |= above_ctx[i]; | 333 above |= above_ctx[i]; |
355 left |= left_ctx[i]; | 334 left |= left_ctx[i]; |
356 } | 335 } |
357 above = (above & bs) > 0; | 336 above = (above & bs) > 0; |
358 left = (left & bs) > 0; | 337 left = (left & bs) > 0; |
359 | 338 |
360 return (left * 2 + above) + bsl * PARTITION_PLOFFSET; | 339 return (left * 2 + above) + bsl * PARTITION_PLOFFSET; |
361 } | 340 } |
362 | 341 |
363 #ifdef __cplusplus | 342 #ifdef __cplusplus |
364 } // extern "C" | 343 } // extern "C" |
365 #endif | 344 #endif |
366 | 345 |
367 #endif // VP9_COMMON_VP9_ONYXC_INT_H_ | 346 #endif // VP9_COMMON_VP9_ONYXC_INT_H_ |
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