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