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_ENCODER_H_
12#define VP9_ENCODER_VP9_ENCODER_H_
13
14#include <stdio.h>
15
16#include "./vpx_config.h"
17#include "vpx/internal/vpx_codec_internal.h"
18#include "vpx/vp8cx.h"
19#if CONFIG_INTERNAL_STATS
20#include "vpx_dsp/ssim.h"
21#endif
22#include "vpx_dsp/variance.h"
23#include "vpx_util/vpx_thread.h"
24
25#include "vp9/common/vp9_alloccommon.h"
26#include "vp9/common/vp9_ppflags.h"
27#include "vp9/common/vp9_entropymode.h"
28#include "vp9/common/vp9_thread_common.h"
29#include "vp9/common/vp9_onyxc_int.h"
30
31#include "vp9/encoder/vp9_aq_cyclicrefresh.h"
32#include "vp9/encoder/vp9_context_tree.h"
33#include "vp9/encoder/vp9_encodemb.h"
34#include "vp9/encoder/vp9_firstpass.h"
35#include "vp9/encoder/vp9_lookahead.h"
36#include "vp9/encoder/vp9_mbgraph.h"
37#include "vp9/encoder/vp9_mcomp.h"
38#include "vp9/encoder/vp9_quantize.h"
39#include "vp9/encoder/vp9_ratectrl.h"
40#include "vp9/encoder/vp9_rd.h"
41#include "vp9/encoder/vp9_speed_features.h"
42#include "vp9/encoder/vp9_svc_layercontext.h"
43#include "vp9/encoder/vp9_tokenize.h"
44
45#if CONFIG_VP9_TEMPORAL_DENOISING
46#include "vp9/encoder/vp9_denoiser.h"
47#endif
48
49#ifdef __cplusplus
50extern "C" {
51#endif
52
53typedef struct {
54  int nmvjointcost[MV_JOINTS];
55  int nmvcosts[2][MV_VALS];
56  int nmvcosts_hp[2][MV_VALS];
57
58  vpx_prob segment_pred_probs[PREDICTION_PROBS];
59
60  unsigned char *last_frame_seg_map_copy;
61
62  // 0 = Intra, Last, GF, ARF
63  signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS];
64  // 0 = ZERO_MV, MV
65  signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];
66
67  FRAME_CONTEXT fc;
68} CODING_CONTEXT;
69
70
71typedef enum {
72  // encode_breakout is disabled.
73  ENCODE_BREAKOUT_DISABLED = 0,
74  // encode_breakout is enabled.
75  ENCODE_BREAKOUT_ENABLED = 1,
76  // encode_breakout is enabled with small max_thresh limit.
77  ENCODE_BREAKOUT_LIMITED = 2
78} ENCODE_BREAKOUT_TYPE;
79
80typedef enum {
81  NORMAL      = 0,
82  FOURFIVE    = 1,
83  THREEFIVE   = 2,
84  ONETWO      = 3
85} VPX_SCALING;
86
87typedef enum {
88  // Good Quality Fast Encoding. The encoder balances quality with the amount of
89  // time it takes to encode the output. Speed setting controls how fast.
90  GOOD,
91
92  // The encoder places priority on the quality of the output over encoding
93  // speed. The output is compressed at the highest possible quality. This
94  // option takes the longest amount of time to encode. Speed setting ignored.
95  BEST,
96
97  // Realtime/Live Encoding. This mode is optimized for realtime encoding (for
98  // example, capturing a television signal or feed from a live camera). Speed
99  // setting controls how fast.
100  REALTIME
101} MODE;
102
103typedef enum {
104  FRAMEFLAGS_KEY    = 1 << 0,
105  FRAMEFLAGS_GOLDEN = 1 << 1,
106  FRAMEFLAGS_ALTREF = 1 << 2,
107} FRAMETYPE_FLAGS;
108
109typedef enum {
110  NO_AQ = 0,
111  VARIANCE_AQ = 1,
112  COMPLEXITY_AQ = 2,
113  CYCLIC_REFRESH_AQ = 3,
114  AQ_MODE_COUNT  // This should always be the last member of the enum
115} AQ_MODE;
116
117typedef enum {
118  RESIZE_NONE = 0,    // No frame resizing allowed (except for SVC).
119  RESIZE_FIXED = 1,   // All frames are coded at the specified dimension.
120  RESIZE_DYNAMIC = 2  // Coded size of each frame is determined by the codec.
121} RESIZE_TYPE;
122
123typedef struct VP9EncoderConfig {
124  BITSTREAM_PROFILE profile;
125  vpx_bit_depth_t bit_depth;     // Codec bit-depth.
126  int width;  // width of data passed to the compressor
127  int height;  // height of data passed to the compressor
128  unsigned int input_bit_depth;  // Input bit depth.
129  double init_framerate;  // set to passed in framerate
130  int64_t target_bandwidth;  // bandwidth to be used in kilobits per second
131
132  int noise_sensitivity;  // pre processing blur: recommendation 0
133  int sharpness;  // sharpening output: recommendation 0:
134  int speed;
135  // maximum allowed bitrate for any intra frame in % of bitrate target.
136  unsigned int rc_max_intra_bitrate_pct;
137  // maximum allowed bitrate for any inter frame in % of bitrate target.
138  unsigned int rc_max_inter_bitrate_pct;
139  // percent of rate boost for golden frame in CBR mode.
140  unsigned int gf_cbr_boost_pct;
141
142  MODE mode;
143  int pass;
144
145  // Key Framing Operations
146  int auto_key;  // autodetect cut scenes and set the keyframes
147  int key_freq;  // maximum distance to key frame.
148
149  int lag_in_frames;  // how many frames lag before we start encoding
150
151  // ----------------------------------------------------------------
152  // DATARATE CONTROL OPTIONS
153
154  // vbr, cbr, constrained quality or constant quality
155  enum vpx_rc_mode rc_mode;
156
157  // buffer targeting aggressiveness
158  int under_shoot_pct;
159  int over_shoot_pct;
160
161  // buffering parameters
162  int64_t starting_buffer_level_ms;
163  int64_t optimal_buffer_level_ms;
164  int64_t maximum_buffer_size_ms;
165
166  // Frame drop threshold.
167  int drop_frames_water_mark;
168
169  // controlling quality
170  int fixed_q;
171  int worst_allowed_q;
172  int best_allowed_q;
173  int cq_level;
174  AQ_MODE aq_mode;  // Adaptive Quantization mode
175
176  // Internal frame size scaling.
177  RESIZE_TYPE resize_mode;
178  int scaled_frame_width;
179  int scaled_frame_height;
180
181  // Enable feature to reduce the frame quantization every x frames.
182  int frame_periodic_boost;
183
184  // two pass datarate control
185  int two_pass_vbrbias;        // two pass datarate control tweaks
186  int two_pass_vbrmin_section;
187  int two_pass_vbrmax_section;
188  // END DATARATE CONTROL OPTIONS
189  // ----------------------------------------------------------------
190
191  // Spatial and temporal scalability.
192  int ss_number_layers;  // Number of spatial layers.
193  int ts_number_layers;  // Number of temporal layers.
194  // Bitrate allocation for spatial layers.
195  int layer_target_bitrate[VPX_MAX_LAYERS];
196  int ss_target_bitrate[VPX_SS_MAX_LAYERS];
197  int ss_enable_auto_arf[VPX_SS_MAX_LAYERS];
198  // Bitrate allocation (CBR mode) and framerate factor, for temporal layers.
199  int ts_rate_decimator[VPX_TS_MAX_LAYERS];
200
201  int enable_auto_arf;
202
203  int encode_breakout;  // early breakout : for video conf recommend 800
204
205  /* Bitfield defining the error resiliency features to enable.
206   * Can provide decodable frames after losses in previous
207   * frames and decodable partitions after losses in the same frame.
208   */
209  unsigned int error_resilient_mode;
210
211  /* Bitfield defining the parallel decoding mode where the
212   * decoding in successive frames may be conducted in parallel
213   * just by decoding the frame headers.
214   */
215  unsigned int frame_parallel_decoding_mode;
216
217  int arnr_max_frames;
218  int arnr_strength;
219
220  int min_gf_interval;
221  int max_gf_interval;
222
223  int tile_columns;
224  int tile_rows;
225
226  int max_threads;
227
228  vpx_fixed_buf_t two_pass_stats_in;
229  struct vpx_codec_pkt_list *output_pkt_list;
230
231#if CONFIG_FP_MB_STATS
232  vpx_fixed_buf_t firstpass_mb_stats_in;
233#endif
234
235  vp8e_tuning tuning;
236  vp9e_tune_content content;
237#if CONFIG_VP9_HIGHBITDEPTH
238  int use_highbitdepth;
239#endif
240  vpx_color_space_t color_space;
241  vpx_color_range_t color_range;
242  int render_width;
243  int render_height;
244  VP9E_TEMPORAL_LAYERING_MODE temporal_layering_mode;
245} VP9EncoderConfig;
246
247static INLINE int is_lossless_requested(const VP9EncoderConfig *cfg) {
248  return cfg->best_allowed_q == 0 && cfg->worst_allowed_q == 0;
249}
250
251// TODO(jingning) All spatially adaptive variables should go to TileDataEnc.
252typedef struct TileDataEnc {
253  TileInfo tile_info;
254  int thresh_freq_fact[BLOCK_SIZES][MAX_MODES];
255  int mode_map[BLOCK_SIZES][MAX_MODES];
256} TileDataEnc;
257
258typedef struct RD_COUNTS {
259  vp9_coeff_count coef_counts[TX_SIZES][PLANE_TYPES];
260  int64_t comp_pred_diff[REFERENCE_MODES];
261  int64_t filter_diff[SWITCHABLE_FILTER_CONTEXTS];
262} RD_COUNTS;
263
264typedef struct ThreadData {
265  MACROBLOCK mb;
266  RD_COUNTS rd_counts;
267  FRAME_COUNTS *counts;
268
269  PICK_MODE_CONTEXT *leaf_tree;
270  PC_TREE *pc_tree;
271  PC_TREE *pc_root;
272} ThreadData;
273
274struct EncWorkerData;
275
276typedef struct ActiveMap {
277  int enabled;
278  int update;
279  unsigned char *map;
280} ActiveMap;
281
282typedef enum {
283  Y,
284  U,
285  V,
286  ALL
287} STAT_TYPE;
288
289typedef struct IMAGE_STAT {
290  double stat[ALL+1];
291  double worst;
292} ImageStat;
293
294typedef struct VP9_COMP {
295  QUANTS quants;
296  ThreadData td;
297  MB_MODE_INFO_EXT *mbmi_ext_base;
298  DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]);
299  DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]);
300  VP9_COMMON common;
301  VP9EncoderConfig oxcf;
302  struct lookahead_ctx    *lookahead;
303  struct lookahead_entry  *alt_ref_source;
304
305  YV12_BUFFER_CONFIG *Source;
306  YV12_BUFFER_CONFIG *Last_Source;  // NULL for first frame and alt_ref frames
307  YV12_BUFFER_CONFIG *un_scaled_source;
308  YV12_BUFFER_CONFIG scaled_source;
309  YV12_BUFFER_CONFIG *unscaled_last_source;
310  YV12_BUFFER_CONFIG scaled_last_source;
311
312  TileDataEnc *tile_data;
313  int allocated_tiles;  // Keep track of memory allocated for tiles.
314
315  // For a still frame, this flag is set to 1 to skip partition search.
316  int partition_search_skippable_frame;
317
318  int scaled_ref_idx[MAX_REF_FRAMES];
319  int lst_fb_idx;
320  int gld_fb_idx;
321  int alt_fb_idx;
322
323  int refresh_last_frame;
324  int refresh_golden_frame;
325  int refresh_alt_ref_frame;
326
327  int ext_refresh_frame_flags_pending;
328  int ext_refresh_last_frame;
329  int ext_refresh_golden_frame;
330  int ext_refresh_alt_ref_frame;
331
332  int ext_refresh_frame_context_pending;
333  int ext_refresh_frame_context;
334
335  YV12_BUFFER_CONFIG last_frame_uf;
336
337  TOKENEXTRA *tile_tok[4][1 << 6];
338  unsigned int tok_count[4][1 << 6];
339
340  // Ambient reconstruction err target for force key frames
341  int64_t ambient_err;
342
343  RD_OPT rd;
344
345  CODING_CONTEXT coding_context;
346
347  int *nmvcosts[2];
348  int *nmvcosts_hp[2];
349  int *nmvsadcosts[2];
350  int *nmvsadcosts_hp[2];
351
352  int64_t last_time_stamp_seen;
353  int64_t last_end_time_stamp_seen;
354  int64_t first_time_stamp_ever;
355
356  RATE_CONTROL rc;
357  double framerate;
358
359  int interp_filter_selected[MAX_REF_FRAMES][SWITCHABLE];
360
361  struct vpx_codec_pkt_list  *output_pkt_list;
362
363  MBGRAPH_FRAME_STATS mbgraph_stats[MAX_LAG_BUFFERS];
364  int mbgraph_n_frames;             // number of frames filled in the above
365  int static_mb_pct;                // % forced skip mbs by segmentation
366  int ref_frame_flags;
367
368  SPEED_FEATURES sf;
369
370  unsigned int max_mv_magnitude;
371  int mv_step_param;
372
373  int allow_comp_inter_inter;
374
375  // Default value is 1. From first pass stats, encode_breakout may be disabled.
376  ENCODE_BREAKOUT_TYPE allow_encode_breakout;
377
378  // Get threshold from external input. A suggested threshold is 800 for HD
379  // clips, and 300 for < HD clips.
380  int encode_breakout;
381
382  unsigned char *segmentation_map;
383
384  // segment threashold for encode breakout
385  int  segment_encode_breakout[MAX_SEGMENTS];
386
387  CYCLIC_REFRESH *cyclic_refresh;
388  ActiveMap active_map;
389
390  fractional_mv_step_fp *find_fractional_mv_step;
391  vp9_full_search_fn_t full_search_sad;
392  vp9_diamond_search_fn_t diamond_search_sad;
393  vp9_variance_fn_ptr_t fn_ptr[BLOCK_SIZES];
394  uint64_t time_receive_data;
395  uint64_t time_compress_data;
396  uint64_t time_pick_lpf;
397  uint64_t time_encode_sb_row;
398
399#if CONFIG_FP_MB_STATS
400  int use_fp_mb_stats;
401#endif
402
403  TWO_PASS twopass;
404
405  YV12_BUFFER_CONFIG alt_ref_buffer;
406
407
408#if CONFIG_INTERNAL_STATS
409  unsigned int mode_chosen_counts[MAX_MODES];
410
411  int    count;
412  uint64_t total_sq_error;
413  uint64_t total_samples;
414  ImageStat psnr;
415
416  uint64_t totalp_sq_error;
417  uint64_t totalp_samples;
418  ImageStat psnrp;
419
420  double total_blockiness;
421  double worst_blockiness;
422
423  int    bytes;
424  double summed_quality;
425  double summed_weights;
426  double summedp_quality;
427  double summedp_weights;
428  unsigned int tot_recode_hits;
429  double worst_ssim;
430
431  ImageStat ssimg;
432  ImageStat fastssim;
433  ImageStat psnrhvs;
434
435  int b_calculate_ssimg;
436  int b_calculate_blockiness;
437
438  int b_calculate_consistency;
439
440  double total_inconsistency;
441  double worst_consistency;
442  Ssimv *ssim_vars;
443  Metrics metrics;
444#endif
445  int b_calculate_psnr;
446
447  int droppable;
448
449  int initial_width;
450  int initial_height;
451  int initial_mbs;  // Number of MBs in the full-size frame; to be used to
452                    // normalize the firstpass stats. This will differ from the
453                    // number of MBs in the current frame when the frame is
454                    // scaled.
455
456  int use_svc;
457
458  SVC svc;
459
460  // Store frame variance info in SOURCE_VAR_BASED_PARTITION search type.
461  diff *source_diff_var;
462  // The threshold used in SOURCE_VAR_BASED_PARTITION search type.
463  unsigned int source_var_thresh;
464  int frames_till_next_var_check;
465
466  int frame_flags;
467
468  search_site_config ss_cfg;
469
470  int mbmode_cost[INTRA_MODES];
471  unsigned int inter_mode_cost[INTER_MODE_CONTEXTS][INTER_MODES];
472  int intra_uv_mode_cost[FRAME_TYPES][INTRA_MODES];
473  int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES];
474  int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];
475  int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES];
476
477  int multi_arf_allowed;
478  int multi_arf_enabled;
479  int multi_arf_last_grp_enabled;
480
481#if CONFIG_VP9_TEMPORAL_DENOISING
482  VP9_DENOISER denoiser;
483#endif
484
485  int resize_pending;
486  int resize_state;
487  int resize_scale_num;
488  int resize_scale_den;
489  int resize_avg_qp;
490  int resize_buffer_underflow;
491  int resize_count;
492
493  // VAR_BASED_PARTITION thresholds
494  // 0 - threshold_64x64; 1 - threshold_32x32;
495  // 2 - threshold_16x16; 3 - vbp_threshold_8x8;
496  int64_t vbp_thresholds[4];
497  int64_t vbp_threshold_minmax;
498  int64_t vbp_threshold_sad;
499  BLOCK_SIZE vbp_bsize_min;
500
501  // Multi-threading
502  int num_workers;
503  VPxWorker *workers;
504  struct EncWorkerData *tile_thr_data;
505  VP9LfSync lf_row_sync;
506} VP9_COMP;
507
508void vp9_initialize_enc(void);
509
510struct VP9_COMP *vp9_create_compressor(VP9EncoderConfig *oxcf,
511                                       BufferPool *const pool);
512void vp9_remove_compressor(VP9_COMP *cpi);
513
514void vp9_change_config(VP9_COMP *cpi, const VP9EncoderConfig *oxcf);
515
516  // receive a frames worth of data. caller can assume that a copy of this
517  // frame is made and not just a copy of the pointer..
518int vp9_receive_raw_frame(VP9_COMP *cpi, unsigned int frame_flags,
519                          YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
520                          int64_t end_time_stamp);
521
522int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags,
523                            size_t *size, uint8_t *dest,
524                            int64_t *time_stamp, int64_t *time_end, int flush);
525
526int vp9_get_preview_raw_frame(VP9_COMP *cpi, YV12_BUFFER_CONFIG *dest,
527                              vp9_ppflags_t *flags);
528
529int vp9_use_as_reference(VP9_COMP *cpi, int ref_frame_flags);
530
531void vp9_update_reference(VP9_COMP *cpi, int ref_frame_flags);
532
533int vp9_copy_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
534                           YV12_BUFFER_CONFIG *sd);
535
536int vp9_set_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
537                          YV12_BUFFER_CONFIG *sd);
538
539int vp9_update_entropy(VP9_COMP *cpi, int update);
540
541int vp9_set_active_map(VP9_COMP *cpi, unsigned char *map, int rows, int cols);
542
543int vp9_get_active_map(VP9_COMP *cpi, unsigned char *map, int rows, int cols);
544
545int vp9_set_internal_size(VP9_COMP *cpi,
546                          VPX_SCALING horiz_mode, VPX_SCALING vert_mode);
547
548int vp9_set_size_literal(VP9_COMP *cpi, unsigned int width,
549                         unsigned int height);
550
551void vp9_set_svc(VP9_COMP *cpi, int use_svc);
552
553int vp9_get_quantizer(struct VP9_COMP *cpi);
554
555static INLINE int frame_is_kf_gf_arf(const VP9_COMP *cpi) {
556  return frame_is_intra_only(&cpi->common) ||
557         cpi->refresh_alt_ref_frame ||
558         (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref);
559}
560
561static INLINE int get_ref_frame_map_idx(const VP9_COMP *cpi,
562                                        MV_REFERENCE_FRAME ref_frame) {
563  if (ref_frame == LAST_FRAME) {
564    return cpi->lst_fb_idx;
565  } else if (ref_frame == GOLDEN_FRAME) {
566    return cpi->gld_fb_idx;
567  } else {
568    return cpi->alt_fb_idx;
569  }
570}
571
572static INLINE int get_ref_frame_buf_idx(const VP9_COMP *const cpi,
573                                        int ref_frame) {
574  const VP9_COMMON *const cm = &cpi->common;
575  const int map_idx = get_ref_frame_map_idx(cpi, ref_frame);
576  return (map_idx != INVALID_IDX) ? cm->ref_frame_map[map_idx] : INVALID_IDX;
577}
578
579static INLINE YV12_BUFFER_CONFIG *get_ref_frame_buffer(
580    VP9_COMP *cpi, MV_REFERENCE_FRAME ref_frame) {
581  VP9_COMMON *const cm = &cpi->common;
582  const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame);
583  return
584      buf_idx != INVALID_IDX ? &cm->buffer_pool->frame_bufs[buf_idx].buf : NULL;
585}
586
587static INLINE int get_token_alloc(int mb_rows, int mb_cols) {
588  // TODO(JBB): double check we can't exceed this token count if we have a
589  // 32x32 transform crossing a boundary at a multiple of 16.
590  // mb_rows, cols are in units of 16 pixels. We assume 3 planes all at full
591  // resolution. We assume up to 1 token per pixel, and then allow
592  // a head room of 4.
593  return mb_rows * mb_cols * (16 * 16 * 3 + 4);
594}
595
596// Get the allocated token size for a tile. It does the same calculation as in
597// the frame token allocation.
598static INLINE int allocated_tokens(TileInfo tile) {
599  int tile_mb_rows = (tile.mi_row_end - tile.mi_row_start + 1) >> 1;
600  int tile_mb_cols = (tile.mi_col_end - tile.mi_col_start + 1) >> 1;
601
602  return get_token_alloc(tile_mb_rows, tile_mb_cols);
603}
604
605int64_t vp9_get_y_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
606#if CONFIG_VP9_HIGHBITDEPTH
607int64_t vp9_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
608                             const YV12_BUFFER_CONFIG *b);
609#endif  // CONFIG_VP9_HIGHBITDEPTH
610
611void vp9_scale_references(VP9_COMP *cpi);
612
613void vp9_update_reference_frames(VP9_COMP *cpi);
614
615void vp9_set_high_precision_mv(VP9_COMP *cpi, int allow_high_precision_mv);
616
617YV12_BUFFER_CONFIG *vp9_scale_if_required(VP9_COMMON *cm,
618                                          YV12_BUFFER_CONFIG *unscaled,
619                                          YV12_BUFFER_CONFIG *scaled,
620                                          int use_normative_scaler);
621
622void vp9_apply_encoding_flags(VP9_COMP *cpi, vpx_enc_frame_flags_t flags);
623
624static INLINE int is_two_pass_svc(const struct VP9_COMP *const cpi) {
625  return cpi->use_svc && cpi->oxcf.pass != 0;
626}
627
628static INLINE int is_one_pass_cbr_svc(const struct VP9_COMP *const cpi) {
629  return (cpi->use_svc && cpi->oxcf.pass == 0);
630}
631
632static INLINE int is_altref_enabled(const VP9_COMP *const cpi) {
633  return cpi->oxcf.mode != REALTIME && cpi->oxcf.lag_in_frames > 0 &&
634         (cpi->oxcf.enable_auto_arf &&
635          (!is_two_pass_svc(cpi) ||
636           cpi->oxcf.ss_enable_auto_arf[cpi->svc.spatial_layer_id]));
637}
638
639static INLINE void set_ref_ptrs(VP9_COMMON *cm, MACROBLOCKD *xd,
640                                MV_REFERENCE_FRAME ref0,
641                                MV_REFERENCE_FRAME ref1) {
642  xd->block_refs[0] = &cm->frame_refs[ref0 >= LAST_FRAME ? ref0 - LAST_FRAME
643                                                         : 0];
644  xd->block_refs[1] = &cm->frame_refs[ref1 >= LAST_FRAME ? ref1 - LAST_FRAME
645                                                         : 0];
646}
647
648static INLINE int get_chessboard_index(const int frame_index) {
649  return frame_index & 0x1;
650}
651
652static INLINE int *cond_cost_list(const struct VP9_COMP *cpi, int *cost_list) {
653  return cpi->sf.mv.subpel_search_method != SUBPEL_TREE ? cost_list : NULL;
654}
655
656void vp9_new_framerate(VP9_COMP *cpi, double framerate);
657
658#define LAYER_IDS_TO_IDX(sl, tl, num_tl) ((sl) * (num_tl) + (tl))
659
660#ifdef __cplusplus
661}  // extern "C"
662#endif
663
664#endif  // VP9_ENCODER_VP9_ENCODER_H_
665