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 VPX_VP9_COMMON_VP9_ONYXC_INT_H_
12 #define VPX_VP9_COMMON_VP9_ONYXC_INT_H_
13
14 #include "./vpx_config.h"
15 #include "vpx/internal/vpx_codec_internal.h"
16 #include "vpx_util/vpx_thread.h"
17 #include "./vp9_rtcd.h"
18 #include "vp9/common/vp9_alloccommon.h"
19 #include "vp9/common/vp9_loopfilter.h"
20 #include "vp9/common/vp9_entropymv.h"
21 #include "vp9/common/vp9_entropy.h"
22 #include "vp9/common/vp9_entropymode.h"
23 #include "vp9/common/vp9_frame_buffers.h"
24 #include "vp9/common/vp9_quant_common.h"
25 #include "vp9/common/vp9_tile_common.h"
26
27 #if CONFIG_VP9_POSTPROC
28 #include "vp9/common/vp9_postproc.h"
29 #endif
30
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34
35 #define REFS_PER_FRAME 3
36
37 #define REF_FRAMES_LOG2 3
38 #define REF_FRAMES (1 << REF_FRAMES_LOG2)
39
40 // 1 scratch frame for the new frame, REFS_PER_FRAME for scaled references on
41 // the encoder.
42 #define FRAME_BUFFERS (REF_FRAMES + 1 + REFS_PER_FRAME)
43
44 #define FRAME_CONTEXTS_LOG2 2
45 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
46
47 #define NUM_PING_PONG_BUFFERS 2
48
49 extern const struct {
50 PARTITION_CONTEXT above;
51 PARTITION_CONTEXT left;
52 } partition_context_lookup[BLOCK_SIZES];
53
54 typedef enum {
55 SINGLE_REFERENCE = 0,
56 COMPOUND_REFERENCE = 1,
57 REFERENCE_MODE_SELECT = 2,
58 REFERENCE_MODES = 3,
59 } REFERENCE_MODE;
60
61 typedef struct {
62 int_mv mv[2];
63 MV_REFERENCE_FRAME ref_frame[2];
64 } MV_REF;
65
66 typedef struct {
67 int ref_count;
68 MV_REF *mvs;
69 int mi_rows;
70 int mi_cols;
71 uint8_t released;
72
73 // Note that frame_index/frame_coding_index are only set by set_frame_index()
74 // on the encoder side.
75
76 // TODO(angiebird): Set frame_index/frame_coding_index on the decoder side
77 // properly.
78 int frame_index; // Display order in the video, it's equivalent to the
79 // show_idx defined in EncodeFrameInfo.
80 int frame_coding_index; // The coding order (starting from zero) of this
81 // frame.
82 vpx_codec_frame_buffer_t raw_frame_buffer;
83 YV12_BUFFER_CONFIG buf;
84 } RefCntBuffer;
85
86 typedef struct BufferPool {
87 // Private data associated with the frame buffer callbacks.
88 void *cb_priv;
89
90 vpx_get_frame_buffer_cb_fn_t get_fb_cb;
91 vpx_release_frame_buffer_cb_fn_t release_fb_cb;
92
93 RefCntBuffer frame_bufs[FRAME_BUFFERS];
94
95 // Frame buffers allocated internally by the codec.
96 InternalFrameBufferList int_frame_buffers;
97 } BufferPool;
98
99 typedef struct VP9Common {
100 struct vpx_internal_error_info error;
101 vpx_color_space_t color_space;
102 vpx_color_range_t color_range;
103 int width;
104 int height;
105 int render_width;
106 int render_height;
107 int last_width;
108 int last_height;
109
110 // TODO(jkoleszar): this implies chroma ss right now, but could vary per
111 // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
112 // support additional planes.
113 int subsampling_x;
114 int subsampling_y;
115
116 #if CONFIG_VP9_HIGHBITDEPTH
117 int use_highbitdepth; // Marks if we need to use 16bit frame buffers.
118 #endif
119
120 YV12_BUFFER_CONFIG *frame_to_show;
121 RefCntBuffer *prev_frame;
122
123 // TODO(hkuang): Combine this with cur_buf in macroblockd.
124 RefCntBuffer *cur_frame;
125
126 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */
127
128 // Prepare ref_frame_map for the next frame.
129 // Only used in frame parallel decode.
130 int next_ref_frame_map[REF_FRAMES];
131
132 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
133 // roll new_fb_idx into it.
134
135 // Each frame can reference REFS_PER_FRAME buffers
136 RefBuffer frame_refs[REFS_PER_FRAME];
137
138 int new_fb_idx;
139
140 int cur_show_frame_fb_idx;
141
142 #if CONFIG_VP9_POSTPROC
143 YV12_BUFFER_CONFIG post_proc_buffer;
144 YV12_BUFFER_CONFIG post_proc_buffer_int;
145 #endif
146
147 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
148 FRAME_TYPE frame_type;
149
150 int show_frame;
151 int last_show_frame;
152 int show_existing_frame;
153
154 // Flag signaling that the frame is encoded using only INTRA modes.
155 uint8_t intra_only;
156 uint8_t last_intra_only;
157
158 int allow_high_precision_mv;
159
160 // Flag signaling that the frame context should be reset to default values.
161 // 0 or 1 implies don't reset, 2 reset just the context specified in the
162 // frame header, 3 reset all contexts.
163 int reset_frame_context;
164
165 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
166 // MODE_INFO (8-pixel) units.
167 int MBs;
168 int mb_rows, mi_rows;
169 int mb_cols, mi_cols;
170 int mi_stride;
171
172 /* profile settings */
173 TX_MODE tx_mode;
174
175 int base_qindex;
176 int y_dc_delta_q;
177 int uv_dc_delta_q;
178 int uv_ac_delta_q;
179 int16_t y_dequant[MAX_SEGMENTS][2];
180 int16_t uv_dequant[MAX_SEGMENTS][2];
181
182 /* We allocate a MODE_INFO struct for each macroblock, together with
183 an extra row on top and column on the left to simplify prediction. */
184 int mi_alloc_size;
185 MODE_INFO *mip; /* Base of allocated array */
186 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
187
188 // TODO(agrange): Move prev_mi into encoder structure.
189 // prev_mip and prev_mi will only be allocated in VP9 encoder.
190 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
191 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
192
193 // Separate mi functions between encoder and decoder.
194 int (*alloc_mi)(struct VP9Common *cm, int mi_size);
195 void (*free_mi)(struct VP9Common *cm);
196 void (*setup_mi)(struct VP9Common *cm);
197
198 // Grid of pointers to 8x8 MODE_INFO structs. Any 8x8 not in the visible
199 // area will be NULL.
200 MODE_INFO **mi_grid_base;
201 MODE_INFO **mi_grid_visible;
202 MODE_INFO **prev_mi_grid_base;
203 MODE_INFO **prev_mi_grid_visible;
204
205 // Whether to use previous frame's motion vectors for prediction.
206 int use_prev_frame_mvs;
207
208 // Persistent mb segment id map used in prediction.
209 int seg_map_idx;
210 int prev_seg_map_idx;
211
212 uint8_t *seg_map_array[NUM_PING_PONG_BUFFERS];
213 uint8_t *last_frame_seg_map;
214 uint8_t *current_frame_seg_map;
215 int seg_map_alloc_size;
216
217 INTERP_FILTER interp_filter;
218
219 loop_filter_info_n lf_info;
220
221 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
222
223 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
224
225 struct loopfilter lf;
226 struct segmentation seg;
227
228 // Context probabilities for reference frame prediction
229 MV_REFERENCE_FRAME comp_fixed_ref;
230 MV_REFERENCE_FRAME comp_var_ref[2];
231 REFERENCE_MODE reference_mode;
232
233 FRAME_CONTEXT *fc; /* this frame entropy */
234 FRAME_CONTEXT *frame_contexts; // FRAME_CONTEXTS
235 unsigned int frame_context_idx; /* Context to use/update */
236 FRAME_COUNTS counts;
237
238 // TODO(angiebird): current_video_frame/current_frame_coding_index into a
239 // structure
240 unsigned int current_video_frame;
241 // Each show or no show frame is assigned with a coding index based on its
242 // coding order (starting from zero).
243
244 // Current frame's coding index.
245 int current_frame_coding_index;
246 BITSTREAM_PROFILE profile;
247
248 // VPX_BITS_8 in profile 0 or 1, VPX_BITS_10 or VPX_BITS_12 in profile 2 or 3.
249 vpx_bit_depth_t bit_depth;
250 vpx_bit_depth_t dequant_bit_depth; // bit_depth of current dequantizer
251
252 #if CONFIG_VP9_POSTPROC
253 struct postproc_state postproc_state;
254 #endif
255
256 int error_resilient_mode;
257 int frame_parallel_decoding_mode;
258
259 int log2_tile_cols, log2_tile_rows;
260 int byte_alignment;
261 int skip_loop_filter;
262
263 // External BufferPool passed from outside.
264 BufferPool *buffer_pool;
265
266 PARTITION_CONTEXT *above_seg_context;
267 ENTROPY_CONTEXT *above_context;
268 int above_context_alloc_cols;
269
270 int lf_row;
271 } VP9_COMMON;
272
init_frame_indexes(VP9_COMMON * cm)273 static INLINE void init_frame_indexes(VP9_COMMON *cm) {
274 cm->current_video_frame = 0;
275 cm->current_frame_coding_index = 0;
276 }
277
update_frame_indexes(VP9_COMMON * cm,int show_frame)278 static INLINE void update_frame_indexes(VP9_COMMON *cm, int show_frame) {
279 if (show_frame) {
280 // Don't increment frame counters if this was an altref buffer
281 // update not a real frame
282 ++cm->current_video_frame;
283 }
284 ++cm->current_frame_coding_index;
285 }
286
287 typedef struct {
288 int frame_width;
289 int frame_height;
290 int render_frame_width;
291 int render_frame_height;
292 int mi_rows;
293 int mi_cols;
294 int mb_rows;
295 int mb_cols;
296 int num_mbs;
297 vpx_bit_depth_t bit_depth;
298 } FRAME_INFO;
299
init_frame_info(FRAME_INFO * frame_info,const VP9_COMMON * cm)300 static INLINE void init_frame_info(FRAME_INFO *frame_info,
301 const VP9_COMMON *cm) {
302 frame_info->frame_width = cm->width;
303 frame_info->frame_height = cm->height;
304 frame_info->render_frame_width = cm->render_width;
305 frame_info->render_frame_height = cm->render_height;
306 frame_info->mi_cols = cm->mi_cols;
307 frame_info->mi_rows = cm->mi_rows;
308 frame_info->mb_cols = cm->mb_cols;
309 frame_info->mb_rows = cm->mb_rows;
310 frame_info->num_mbs = cm->MBs;
311 frame_info->bit_depth = cm->bit_depth;
312 // TODO(angiebird): Figure out how to get subsampling_x/y here
313 }
314
get_buf_frame(VP9_COMMON * cm,int index)315 static INLINE YV12_BUFFER_CONFIG *get_buf_frame(VP9_COMMON *cm, int index) {
316 if (index < 0 || index >= FRAME_BUFFERS) return NULL;
317 if (cm->error.error_code != VPX_CODEC_OK) return NULL;
318 return &cm->buffer_pool->frame_bufs[index].buf;
319 }
320
get_ref_frame(VP9_COMMON * cm,int index)321 static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP9_COMMON *cm, int index) {
322 if (index < 0 || index >= REF_FRAMES) return NULL;
323 if (cm->ref_frame_map[index] < 0) return NULL;
324 assert(cm->ref_frame_map[index] < FRAME_BUFFERS);
325 return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf;
326 }
327
get_frame_new_buffer(VP9_COMMON * cm)328 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) {
329 return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf;
330 }
331
get_free_fb(VP9_COMMON * cm)332 static INLINE int get_free_fb(VP9_COMMON *cm) {
333 RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
334 int i;
335
336 for (i = 0; i < FRAME_BUFFERS; ++i)
337 if (frame_bufs[i].ref_count == 0) break;
338
339 if (i != FRAME_BUFFERS) {
340 frame_bufs[i].ref_count = 1;
341 } else {
342 // Reset i to be INVALID_IDX to indicate no free buffer found.
343 i = INVALID_IDX;
344 }
345
346 return i;
347 }
348
ref_cnt_fb(RefCntBuffer * bufs,int * idx,int new_idx)349 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
350 const int ref_index = *idx;
351
352 if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
353 bufs[ref_index].ref_count--;
354
355 *idx = new_idx;
356
357 bufs[new_idx].ref_count++;
358 }
359
mi_cols_aligned_to_sb(int n_mis)360 static INLINE int mi_cols_aligned_to_sb(int n_mis) {
361 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
362 }
363
frame_is_intra_only(const VP9_COMMON * const cm)364 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) {
365 return cm->frame_type == KEY_FRAME || cm->intra_only;
366 }
367
set_partition_probs(const VP9_COMMON * const cm,MACROBLOCKD * const xd)368 static INLINE void set_partition_probs(const VP9_COMMON *const cm,
369 MACROBLOCKD *const xd) {
370 xd->partition_probs =
371 frame_is_intra_only(cm)
372 ? &vp9_kf_partition_probs[0]
373 : (const vpx_prob(*)[PARTITION_TYPES - 1]) cm->fc->partition_prob;
374 }
375
vp9_init_macroblockd(VP9_COMMON * cm,MACROBLOCKD * xd,tran_low_t * dqcoeff)376 static INLINE void vp9_init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd,
377 tran_low_t *dqcoeff) {
378 int i;
379
380 for (i = 0; i < MAX_MB_PLANE; ++i) {
381 xd->plane[i].dqcoeff = dqcoeff;
382 xd->above_context[i] =
383 cm->above_context +
384 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols);
385
386 if (get_plane_type(i) == PLANE_TYPE_Y) {
387 memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant));
388 } else {
389 memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant));
390 }
391 xd->fc = cm->fc;
392 }
393
394 xd->above_seg_context = cm->above_seg_context;
395 xd->mi_stride = cm->mi_stride;
396 xd->error_info = &cm->error;
397
398 set_partition_probs(cm, xd);
399 }
400
get_partition_probs(const MACROBLOCKD * xd,int ctx)401 static INLINE const vpx_prob *get_partition_probs(const MACROBLOCKD *xd,
402 int ctx) {
403 return xd->partition_probs[ctx];
404 }
405
set_skip_context(MACROBLOCKD * xd,int mi_row,int mi_col)406 static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) {
407 const int above_idx = mi_col * 2;
408 const int left_idx = (mi_row * 2) & 15;
409 int i;
410 for (i = 0; i < MAX_MB_PLANE; ++i) {
411 struct macroblockd_plane *const pd = &xd->plane[i];
412 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x];
413 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y];
414 }
415 }
416
calc_mi_size(int len)417 static INLINE int calc_mi_size(int len) {
418 // len is in mi units.
419 return len + MI_BLOCK_SIZE;
420 }
421
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)422 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
423 int mi_row, int bh, int mi_col, int bw,
424 int mi_rows, int mi_cols) {
425 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
426 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
427 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
428 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
429
430 // Are edges available for intra prediction?
431 xd->above_mi = (mi_row != 0) ? xd->mi[-xd->mi_stride] : NULL;
432 xd->left_mi = (mi_col > tile->mi_col_start) ? xd->mi[-1] : NULL;
433 }
434
update_partition_context(MACROBLOCKD * xd,int mi_row,int mi_col,BLOCK_SIZE subsize,BLOCK_SIZE bsize)435 static INLINE void update_partition_context(MACROBLOCKD *xd, int mi_row,
436 int mi_col, BLOCK_SIZE subsize,
437 BLOCK_SIZE bsize) {
438 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
439 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
440
441 // num_4x4_blocks_wide_lookup[bsize] / 2
442 const int bs = num_8x8_blocks_wide_lookup[bsize];
443
444 // update the partition context at the end notes. set partition bits
445 // of block sizes larger than the current one to be one, and partition
446 // bits of smaller block sizes to be zero.
447 memset(above_ctx, partition_context_lookup[subsize].above, bs);
448 memset(left_ctx, partition_context_lookup[subsize].left, bs);
449 }
450
partition_plane_context(const MACROBLOCKD * xd,int mi_row,int mi_col,BLOCK_SIZE bsize)451 static INLINE int partition_plane_context(const MACROBLOCKD *xd, int mi_row,
452 int mi_col, BLOCK_SIZE bsize) {
453 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
454 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
455 const int bsl = mi_width_log2_lookup[bsize];
456 int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1;
457
458 assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]);
459 assert(bsl >= 0);
460
461 return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
462 }
463
464 #ifdef __cplusplus
465 } // extern "C"
466 #endif
467
468 #endif // VPX_VP9_COMMON_VP9_ONYXC_INT_H_
469