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_ENCODER_VP9_ONYX_INT_H_
12 #define VP9_ENCODER_VP9_ONYX_INT_H_
13 
14 #include <stdio.h>
15 
16 #include "./vpx_config.h"
17 #include "vpx_ports/mem.h"
18 #include "vpx/internal/vpx_codec_internal.h"
19 #include "vpx/vp8cx.h"
20 
21 #include "vp9/common/vp9_ppflags.h"
22 #include "vp9/common/vp9_entropy.h"
23 #include "vp9/common/vp9_entropymode.h"
24 #include "vp9/common/vp9_onyxc_int.h"
25 
26 #include "vp9/encoder/vp9_aq_cyclicrefresh.h"
27 #include "vp9/encoder/vp9_encodemb.h"
28 #include "vp9/encoder/vp9_firstpass.h"
29 #include "vp9/encoder/vp9_lookahead.h"
30 #include "vp9/encoder/vp9_mbgraph.h"
31 #include "vp9/encoder/vp9_mcomp.h"
32 #include "vp9/encoder/vp9_quantize.h"
33 #include "vp9/encoder/vp9_ratectrl.h"
34 #include "vp9/encoder/vp9_speed_features.h"
35 #include "vp9/encoder/vp9_svc_layercontext.h"
36 #include "vp9/encoder/vp9_tokenize.h"
37 #include "vp9/encoder/vp9_variance.h"
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 // #define MODE_TEST_HIT_STATS
44 
45 #define DEFAULT_GF_INTERVAL         10
46 
47 #define MAX_MODES 30
48 #define MAX_REFS  6
49 
50 typedef struct {
51   int nmvjointcost[MV_JOINTS];
52   int nmvcosts[2][MV_VALS];
53   int nmvcosts_hp[2][MV_VALS];
54 
55   vp9_prob segment_pred_probs[PREDICTION_PROBS];
56 
57   unsigned char *last_frame_seg_map_copy;
58 
59   // 0 = Intra, Last, GF, ARF
60   signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS];
61   // 0 = ZERO_MV, MV
62   signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];
63 
64   FRAME_CONTEXT fc;
65 } CODING_CONTEXT;
66 
67 // This enumerator type needs to be kept aligned with the mode order in
68 // const MODE_DEFINITION vp9_mode_order[MAX_MODES] used in the rd code.
69 typedef enum {
70   THR_NEARESTMV,
71   THR_NEARESTA,
72   THR_NEARESTG,
73 
74   THR_DC,
75 
76   THR_NEWMV,
77   THR_NEWA,
78   THR_NEWG,
79 
80   THR_NEARMV,
81   THR_NEARA,
82   THR_COMP_NEARESTLA,
83   THR_COMP_NEARESTGA,
84 
85   THR_TM,
86 
87   THR_COMP_NEARLA,
88   THR_COMP_NEWLA,
89   THR_NEARG,
90   THR_COMP_NEARGA,
91   THR_COMP_NEWGA,
92 
93   THR_ZEROMV,
94   THR_ZEROG,
95   THR_ZEROA,
96   THR_COMP_ZEROLA,
97   THR_COMP_ZEROGA,
98 
99   THR_H_PRED,
100   THR_V_PRED,
101   THR_D135_PRED,
102   THR_D207_PRED,
103   THR_D153_PRED,
104   THR_D63_PRED,
105   THR_D117_PRED,
106   THR_D45_PRED,
107 } THR_MODES;
108 
109 typedef enum {
110   THR_LAST,
111   THR_GOLD,
112   THR_ALTR,
113   THR_COMP_LA,
114   THR_COMP_GA,
115   THR_INTRA,
116 } THR_MODES_SUB8X8;
117 
118 typedef enum {
119   // encode_breakout is disabled.
120   ENCODE_BREAKOUT_DISABLED = 0,
121   // encode_breakout is enabled.
122   ENCODE_BREAKOUT_ENABLED = 1,
123   // encode_breakout is enabled with small max_thresh limit.
124   ENCODE_BREAKOUT_LIMITED = 2
125 } ENCODE_BREAKOUT_TYPE;
126 
127 typedef enum {
128   NORMAL      = 0,
129   FOURFIVE    = 1,
130   THREEFIVE   = 2,
131   ONETWO      = 3
132 } VPX_SCALING;
133 
134 typedef enum {
135   USAGE_LOCAL_FILE_PLAYBACK = 0,
136   USAGE_STREAM_FROM_SERVER  = 1,
137   USAGE_CONSTRAINED_QUALITY = 2,
138   USAGE_CONSTANT_QUALITY    = 3,
139 } END_USAGE;
140 
141 typedef enum {
142   // Good Quality Fast Encoding. The encoder balances quality with the
143   // amount of time it takes to encode the output. (speed setting
144   // controls how fast)
145   MODE_GOODQUALITY = 1,
146 
147   // One Pass - Best Quality. The encoder places priority on the
148   // quality of the output over encoding speed. The output is compressed
149   // at the highest possible quality. This option takes the longest
150   // amount of time to encode. (speed setting ignored)
151   MODE_BESTQUALITY = 2,
152 
153   // Two Pass - First Pass. The encoder generates a file of statistics
154   // for use in the second encoding pass. (speed setting controls how fast)
155   MODE_FIRSTPASS = 3,
156 
157   // Two Pass - Second Pass. The encoder uses the statistics that were
158   // generated in the first encoding pass to create the compressed
159   // output. (speed setting controls how fast)
160   MODE_SECONDPASS = 4,
161 
162   // Two Pass - Second Pass Best.  The encoder uses the statistics that
163   // were generated in the first encoding pass to create the compressed
164   // output using the highest possible quality, and taking a
165   // longer amount of time to encode. (speed setting ignored)
166   MODE_SECONDPASS_BEST = 5,
167 
168   // Realtime/Live Encoding. This mode is optimized for realtime
169   // encoding (for example, capturing a television signal or feed from
170   // a live camera). (speed setting controls how fast)
171   MODE_REALTIME = 6,
172 } MODE;
173 
174 typedef enum {
175   FRAMEFLAGS_KEY    = 1 << 0,
176   FRAMEFLAGS_GOLDEN = 1 << 1,
177   FRAMEFLAGS_ALTREF = 1 << 2,
178 } FRAMETYPE_FLAGS;
179 
180 typedef enum {
181   NO_AQ = 0,
182   VARIANCE_AQ = 1,
183   COMPLEXITY_AQ = 2,
184   CYCLIC_REFRESH_AQ = 3,
185   AQ_MODE_COUNT  // This should always be the last member of the enum
186 } AQ_MODE;
187 
188 typedef struct {
189   int version;  // 4 versions of bitstream defined:
190                 //   0 - best quality/slowest decode,
191                 //   3 - lowest quality/fastest decode
192   int width;  // width of data passed to the compressor
193   int height;  // height of data passed to the compressor
194   double framerate;  // set to passed in framerate
195   int64_t target_bandwidth;  // bandwidth to be used in kilobits per second
196 
197   int noise_sensitivity;  // pre processing blur: recommendation 0
198   int sharpness;  // sharpening output: recommendation 0:
199   int cpu_used;
200   unsigned int rc_max_intra_bitrate_pct;
201 
202   MODE mode;
203 
204   // Key Framing Operations
205   int auto_key;  // autodetect cut scenes and set the keyframes
206   int key_freq;  // maximum distance to key frame.
207 
208   int lag_in_frames;  // how many frames lag before we start encoding
209 
210   // ----------------------------------------------------------------
211   // DATARATE CONTROL OPTIONS
212 
213   END_USAGE end_usage;  // vbr or cbr
214 
215   // buffer targeting aggressiveness
216   int under_shoot_pct;
217   int over_shoot_pct;
218 
219   // buffering parameters
220   int64_t starting_buffer_level;  // in seconds
221   int64_t optimal_buffer_level;
222   int64_t maximum_buffer_size;
223 
224   // Frame drop threshold.
225   int drop_frames_water_mark;
226 
227   // controlling quality
228   int fixed_q;
229   int worst_allowed_q;
230   int best_allowed_q;
231   int cq_level;
232   int lossless;
233   AQ_MODE aq_mode;  // Adaptive Quantization mode
234 
235   // Enable feature to reduce the frame quantization every x frames.
236   int frame_periodic_boost;
237 
238   // two pass datarate control
239   int two_pass_vbrbias;        // two pass datarate control tweaks
240   int two_pass_vbrmin_section;
241   int two_pass_vbrmax_section;
242   // END DATARATE CONTROL OPTIONS
243   // ----------------------------------------------------------------
244 
245   // Spatial and temporal scalability.
246   int ss_number_layers;  // Number of spatial layers.
247   int ts_number_layers;  // Number of temporal layers.
248   // Bitrate allocation for spatial layers.
249   int ss_target_bitrate[VPX_SS_MAX_LAYERS];
250   // Bitrate allocation (CBR mode) and framerate factor, for temporal layers.
251   int ts_target_bitrate[VPX_TS_MAX_LAYERS];
252   int ts_rate_decimator[VPX_TS_MAX_LAYERS];
253 
254   // these parameters aren't to be used in final build don't use!!!
255   int play_alternate;
256   int alt_freq;
257 
258   int encode_breakout;  // early breakout : for video conf recommend 800
259 
260   /* Bitfield defining the error resiliency features to enable.
261    * Can provide decodable frames after losses in previous
262    * frames and decodable partitions after losses in the same frame.
263    */
264   unsigned int error_resilient_mode;
265 
266   /* Bitfield defining the parallel decoding mode where the
267    * decoding in successive frames may be conducted in parallel
268    * just by decoding the frame headers.
269    */
270   unsigned int frame_parallel_decoding_mode;
271 
272   int arnr_max_frames;
273   int arnr_strength;
274   int arnr_type;
275 
276   int tile_columns;
277   int tile_rows;
278 
279   struct vpx_fixed_buf         two_pass_stats_in;
280   struct vpx_codec_pkt_list  *output_pkt_list;
281 
282   vp8e_tuning tuning;
283 } VP9_CONFIG;
284 
285 typedef struct VP9_COMP {
286   QUANTS quants;
287   MACROBLOCK mb;
288   VP9_COMMON common;
289   VP9_CONFIG oxcf;
290   struct lookahead_ctx    *lookahead;
291   struct lookahead_entry  *source;
292 #if CONFIG_MULTIPLE_ARF
293   struct lookahead_entry  *alt_ref_source[REF_FRAMES];
294 #else
295   struct lookahead_entry  *alt_ref_source;
296 #endif
297   struct lookahead_entry  *last_source;
298 
299   YV12_BUFFER_CONFIG *Source;
300   YV12_BUFFER_CONFIG *Last_Source;  // NULL for first frame and alt_ref frames
301   YV12_BUFFER_CONFIG *un_scaled_source;
302   YV12_BUFFER_CONFIG scaled_source;
303   YV12_BUFFER_CONFIG *unscaled_last_source;
304   YV12_BUFFER_CONFIG scaled_last_source;
305 
306   int key_frame_frequency;
307 
308   int gold_is_last;  // gold same as last frame ( short circuit gold searches)
309   int alt_is_last;  // Alt same as last ( short circuit altref search)
310   int gold_is_alt;  // don't do both alt and gold search ( just do gold).
311 
312   int scaled_ref_idx[3];
313   int lst_fb_idx;
314   int gld_fb_idx;
315   int alt_fb_idx;
316 
317 #if CONFIG_MULTIPLE_ARF
318   int alt_ref_fb_idx[REF_FRAMES - 3];
319 #endif
320   int refresh_last_frame;
321   int refresh_golden_frame;
322   int refresh_alt_ref_frame;
323 
324   int ext_refresh_frame_flags_pending;
325   int ext_refresh_last_frame;
326   int ext_refresh_golden_frame;
327   int ext_refresh_alt_ref_frame;
328 
329   int ext_refresh_frame_context_pending;
330   int ext_refresh_frame_context;
331 
332   YV12_BUFFER_CONFIG last_frame_uf;
333 
334   TOKENEXTRA *tok;
335   unsigned int tok_count[4][1 << 6];
336 
337 #if CONFIG_MULTIPLE_ARF
338   // Position within a frame coding order (including any additional ARF frames).
339   unsigned int sequence_number;
340   // Next frame in naturally occurring order that has not yet been coded.
341   int next_frame_in_order;
342 #endif
343 
344   // Ambient reconstruction err target for force key frames
345   int ambient_err;
346 
347   // Thresh_mult is used to set a threshold for the rd score. A higher value
348   // means that we will accept the best mode so far more often. This number
349   // is used in combination with the current block size, and thresh_freq_fact
350   // to pick a threshold.
351   int rd_thresh_mult[MAX_MODES];
352   int rd_thresh_mult_sub8x8[MAX_REFS];
353 
354   int rd_threshes[MAX_SEGMENTS][BLOCK_SIZES][MAX_MODES];
355   int rd_thresh_freq_fact[BLOCK_SIZES][MAX_MODES];
356   int rd_thresh_sub8x8[MAX_SEGMENTS][BLOCK_SIZES][MAX_REFS];
357   int rd_thresh_freq_sub8x8[BLOCK_SIZES][MAX_REFS];
358 
359   int64_t rd_comp_pred_diff[REFERENCE_MODES];
360   int64_t rd_prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES];
361   int64_t rd_tx_select_diff[TX_MODES];
362   // FIXME(rbultje) can this overflow?
363   int rd_tx_select_threshes[MAX_REF_FRAMES][TX_MODES];
364 
365   int64_t rd_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
366   int64_t rd_filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS];
367   int64_t rd_filter_cache[SWITCHABLE_FILTER_CONTEXTS];
368   int64_t mask_filter_rd;
369 
370   int RDMULT;
371   int RDDIV;
372 
373   CODING_CONTEXT coding_context;
374 
375   int zbin_mode_boost;
376   int zbin_mode_boost_enabled;
377   int active_arnr_frames;           // <= cpi->oxcf.arnr_max_frames
378   int active_arnr_strength;         // <= cpi->oxcf.arnr_max_strength
379 
380   double output_framerate;
381   int64_t last_time_stamp_seen;
382   int64_t last_end_time_stamp_seen;
383   int64_t first_time_stamp_ever;
384 
385   RATE_CONTROL rc;
386 
387   int cq_target_quality;
388 
389   vp9_coeff_count coef_counts[TX_SIZES][PLANE_TYPES];
390   vp9_coeff_probs_model frame_coef_probs[TX_SIZES][PLANE_TYPES];
391 
392   struct vpx_codec_pkt_list  *output_pkt_list;
393 
394   MBGRAPH_FRAME_STATS mbgraph_stats[MAX_LAG_BUFFERS];
395   int mbgraph_n_frames;             // number of frames filled in the above
396   int static_mb_pct;                // % forced skip mbs by segmentation
397   int seg0_progress, seg0_idx, seg0_cnt;
398 
399   // for real time encoding
400   int speed;
401 
402   int cpu_used;
403   int pass;
404 
405   int ref_frame_flags;
406 
407   SPEED_FEATURES sf;
408 
409   unsigned int max_mv_magnitude;
410   int mv_step_param;
411 
412   // Default value is 1. From first pass stats, encode_breakout may be disabled.
413   ENCODE_BREAKOUT_TYPE allow_encode_breakout;
414 
415   // Get threshold from external input. In real time mode, it can be
416   // overwritten according to encoding speed.
417   int encode_breakout;
418 
419   unsigned char *segmentation_map;
420 
421   // segment threashold for encode breakout
422   int  segment_encode_breakout[MAX_SEGMENTS];
423 
424   unsigned char *complexity_map;
425 
426   unsigned char *active_map;
427   unsigned int active_map_enabled;
428 
429   CYCLIC_REFRESH *cyclic_refresh;
430 
431   fractional_mv_step_fp *find_fractional_mv_step;
432   fractional_mv_step_comp_fp *find_fractional_mv_step_comp;
433   vp9_full_search_fn_t full_search_sad;
434   vp9_refining_search_fn_t refining_search_sad;
435   vp9_diamond_search_fn_t diamond_search_sad;
436   vp9_variance_fn_ptr_t fn_ptr[BLOCK_SIZES];
437   uint64_t time_receive_data;
438   uint64_t time_compress_data;
439   uint64_t time_pick_lpf;
440   uint64_t time_encode_sb_row;
441 
442   struct twopass_rc twopass;
443 
444   YV12_BUFFER_CONFIG alt_ref_buffer;
445   YV12_BUFFER_CONFIG *frames[MAX_LAG_BUFFERS];
446   int fixed_divide[512];
447 
448 #if CONFIG_INTERNAL_STATS
449   unsigned int mode_chosen_counts[MAX_MODES];
450 
451   int    count;
452   double total_y;
453   double total_u;
454   double total_v;
455   double total;
456   uint64_t total_sq_error;
457   uint64_t total_samples;
458 
459   double totalp_y;
460   double totalp_u;
461   double totalp_v;
462   double totalp;
463   uint64_t totalp_sq_error;
464   uint64_t totalp_samples;
465 
466   int    bytes;
467   double summed_quality;
468   double summed_weights;
469   double summedp_quality;
470   double summedp_weights;
471   unsigned int tot_recode_hits;
472 
473 
474   double total_ssimg_y;
475   double total_ssimg_u;
476   double total_ssimg_v;
477   double total_ssimg_all;
478 
479   int b_calculate_ssimg;
480 #endif
481   int b_calculate_psnr;
482 
483   // Per MB activity measurement
484   unsigned int activity_avg;
485   unsigned int *mb_activity_map;
486   int *mb_norm_activity_map;
487 
488   int droppable;
489 
490   int dummy_packing;    /* flag to indicate if packing is dummy */
491 
492   unsigned int tx_stepdown_count[TX_SIZES];
493 
494   int initial_width;
495   int initial_height;
496 
497   int use_svc;
498 
499   SVC svc;
500 
501 #if CONFIG_MULTIPLE_ARF
502   // ARF tracking variables.
503   int multi_arf_enabled;
504   unsigned int frame_coding_order_period;
505   unsigned int new_frame_coding_order_period;
506   int frame_coding_order[MAX_LAG_BUFFERS * 2];
507   int arf_buffer_idx[MAX_LAG_BUFFERS * 3 / 2];
508   int arf_weight[MAX_LAG_BUFFERS];
509   int arf_buffered;
510   int this_frame_weight;
511   int max_arf_level;
512 #endif
513 
514 #ifdef MODE_TEST_HIT_STATS
515   // Debug / test stats
516   int64_t mode_test_hits[BLOCK_SIZES];
517 #endif
518 } VP9_COMP;
519 
520 void vp9_initialize_enc();
521 
522 struct VP9_COMP *vp9_create_compressor(VP9_CONFIG *oxcf);
523 void vp9_remove_compressor(VP9_COMP *cpi);
524 
525 void vp9_change_config(VP9_COMP *cpi, const VP9_CONFIG *oxcf);
526 
527   // receive a frames worth of data. caller can assume that a copy of this
528   // frame is made and not just a copy of the pointer..
529 int vp9_receive_raw_frame(VP9_COMP *cpi, unsigned int frame_flags,
530                           YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
531                           int64_t end_time_stamp);
532 
533 int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags,
534                             size_t *size, uint8_t *dest,
535                             int64_t *time_stamp, int64_t *time_end, int flush);
536 
537 int vp9_get_preview_raw_frame(VP9_COMP *cpi, YV12_BUFFER_CONFIG *dest,
538                               vp9_ppflags_t *flags);
539 
540 int vp9_use_as_reference(VP9_COMP *cpi, int ref_frame_flags);
541 
542 void vp9_update_reference(VP9_COMP *cpi, int ref_frame_flags);
543 
544 int vp9_copy_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
545                            YV12_BUFFER_CONFIG *sd);
546 
547 int vp9_get_reference_enc(VP9_COMP *cpi, int index,
548                           YV12_BUFFER_CONFIG **fb);
549 
550 int vp9_set_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
551                           YV12_BUFFER_CONFIG *sd);
552 
553 int vp9_update_entropy(VP9_COMP *cpi, int update);
554 
555 int vp9_set_roimap(VP9_COMP *cpi, unsigned char *map,
556                    unsigned int rows, unsigned int cols,
557                    int delta_q[MAX_SEGMENTS],
558                    int delta_lf[MAX_SEGMENTS],
559                    unsigned int threshold[MAX_SEGMENTS]);
560 
561 int vp9_set_active_map(VP9_COMP *cpi, unsigned char *map,
562                        unsigned int rows, unsigned int cols);
563 
564 int vp9_set_internal_size(VP9_COMP *cpi,
565                           VPX_SCALING horiz_mode, VPX_SCALING vert_mode);
566 
567 int vp9_set_size_literal(VP9_COMP *cpi, unsigned int width,
568                          unsigned int height);
569 
570 void vp9_set_svc(VP9_COMP *cpi, int use_svc);
571 
572 int vp9_get_quantizer(struct VP9_COMP *cpi);
573 
get_ref_frame_idx(const VP9_COMP * cpi,MV_REFERENCE_FRAME ref_frame)574 static INLINE int get_ref_frame_idx(const VP9_COMP *cpi,
575                                     MV_REFERENCE_FRAME ref_frame) {
576   if (ref_frame == LAST_FRAME) {
577     return cpi->lst_fb_idx;
578   } else if (ref_frame == GOLDEN_FRAME) {
579     return cpi->gld_fb_idx;
580   } else {
581     return cpi->alt_fb_idx;
582   }
583 }
584 
get_ref_frame_buffer(VP9_COMP * cpi,MV_REFERENCE_FRAME ref_frame)585 static INLINE YV12_BUFFER_CONFIG *get_ref_frame_buffer(
586     VP9_COMP *cpi, MV_REFERENCE_FRAME ref_frame) {
587   VP9_COMMON * const cm = &cpi->common;
588   return &cm->frame_bufs[cm->ref_frame_map[get_ref_frame_idx(cpi, ref_frame)]]
589       .buf;
590 }
591 
592 // Intra only frames, golden frames (except alt ref overlays) and
593 // alt ref frames tend to be coded at a higher than ambient quality
vp9_frame_is_boosted(const VP9_COMP * cpi)594 static INLINE int vp9_frame_is_boosted(const VP9_COMP *cpi) {
595   return frame_is_intra_only(&cpi->common) || cpi->refresh_alt_ref_frame ||
596          (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref);
597 }
598 
get_token_alloc(int mb_rows,int mb_cols)599 static INLINE int get_token_alloc(int mb_rows, int mb_cols) {
600   // TODO(JBB): make this work for alpha channel and double check we can't
601   // exceed this token count if we have a 32x32 transform crossing a boundary
602   // at a multiple of 16.
603   // mb_rows, cols are in units of 16 pixels. We assume 3 planes all at full
604   // resolution. We assume up to 1 token per pixel, and then allow
605   // a head room of 4.
606   return mb_rows * mb_cols * (16 * 16 * 3 + 4);
607 }
608 
609 int vp9_calc_ss_err(const YV12_BUFFER_CONFIG *source,
610                     const YV12_BUFFER_CONFIG *reference);
611 
612 void vp9_alloc_compressor_data(VP9_COMP *cpi);
613 
614 int vp9_compute_qdelta(const VP9_COMP *cpi, double qstart, double qtarget);
615 
616 int vp9_compute_qdelta_by_rate(VP9_COMP *cpi, int base_q_index,
617                                double rate_target_ratio);
618 
619 void vp9_scale_references(VP9_COMP *cpi);
620 
621 void vp9_update_reference_frames(VP9_COMP *cpi);
622 
623 extern const int q_trans[];
624 
625 int64_t vp9_rescale(int64_t val, int64_t num, int denom);
626 
set_ref_ptrs(VP9_COMMON * cm,MACROBLOCKD * xd,MV_REFERENCE_FRAME ref0,MV_REFERENCE_FRAME ref1)627 static INLINE void set_ref_ptrs(VP9_COMMON *cm, MACROBLOCKD *xd,
628                                 MV_REFERENCE_FRAME ref0,
629                                 MV_REFERENCE_FRAME ref1) {
630   xd->block_refs[0] = &cm->frame_refs[ref0 >= LAST_FRAME ? ref0 - LAST_FRAME
631                                                          : 0];
632   xd->block_refs[1] = &cm->frame_refs[ref1 >= LAST_FRAME ? ref1 - LAST_FRAME
633                                                          : 0];
634 }
635 
636 #ifdef __cplusplus
637 }  // extern "C"
638 #endif
639 
640 #endif  // VP9_ENCODER_VP9_ONYX_INT_H_
641