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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
50 extern "C" {
51 #endif
52 
53 typedef 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 
71 typedef 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 
80 typedef enum {
81   NORMAL      = 0,
82   FOURFIVE    = 1,
83   THREEFIVE   = 2,
84   ONETWO      = 3
85 } VPX_SCALING;
86 
87 typedef 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 
103 typedef enum {
104   FRAMEFLAGS_KEY    = 1 << 0,
105   FRAMEFLAGS_GOLDEN = 1 << 1,
106   FRAMEFLAGS_ALTREF = 1 << 2,
107 } FRAMETYPE_FLAGS;
108 
109 typedef 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 
117 typedef 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 
123 typedef 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 
is_lossless_requested(const VP9EncoderConfig * cfg)247 static 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.
252 typedef 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 
258 typedef 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 
264 typedef 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 
274 struct EncWorkerData;
275 
276 typedef struct ActiveMap {
277   int enabled;
278   int update;
279   unsigned char *map;
280 } ActiveMap;
281 
282 typedef enum {
283   Y,
284   U,
285   V,
286   ALL
287 } STAT_TYPE;
288 
289 typedef struct IMAGE_STAT {
290   double stat[ALL+1];
291   double worst;
292 } ImageStat;
293 
294 typedef 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 
508 void vp9_initialize_enc(void);
509 
510 struct VP9_COMP *vp9_create_compressor(VP9EncoderConfig *oxcf,
511                                        BufferPool *const pool);
512 void vp9_remove_compressor(VP9_COMP *cpi);
513 
514 void 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..
518 int 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 
522 int 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 
526 int vp9_get_preview_raw_frame(VP9_COMP *cpi, YV12_BUFFER_CONFIG *dest,
527                               vp9_ppflags_t *flags);
528 
529 int vp9_use_as_reference(VP9_COMP *cpi, int ref_frame_flags);
530 
531 void vp9_update_reference(VP9_COMP *cpi, int ref_frame_flags);
532 
533 int vp9_copy_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
534                            YV12_BUFFER_CONFIG *sd);
535 
536 int vp9_set_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
537                           YV12_BUFFER_CONFIG *sd);
538 
539 int vp9_update_entropy(VP9_COMP *cpi, int update);
540 
541 int vp9_set_active_map(VP9_COMP *cpi, unsigned char *map, int rows, int cols);
542 
543 int vp9_get_active_map(VP9_COMP *cpi, unsigned char *map, int rows, int cols);
544 
545 int vp9_set_internal_size(VP9_COMP *cpi,
546                           VPX_SCALING horiz_mode, VPX_SCALING vert_mode);
547 
548 int vp9_set_size_literal(VP9_COMP *cpi, unsigned int width,
549                          unsigned int height);
550 
551 void vp9_set_svc(VP9_COMP *cpi, int use_svc);
552 
553 int vp9_get_quantizer(struct VP9_COMP *cpi);
554 
frame_is_kf_gf_arf(const VP9_COMP * cpi)555 static 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 
get_ref_frame_map_idx(const VP9_COMP * cpi,MV_REFERENCE_FRAME ref_frame)561 static 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 
get_ref_frame_buf_idx(const VP9_COMP * const cpi,int ref_frame)572 static 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 
get_ref_frame_buffer(VP9_COMP * cpi,MV_REFERENCE_FRAME ref_frame)579 static 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 
get_token_alloc(int mb_rows,int mb_cols)587 static 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.
allocated_tokens(TileInfo tile)598 static 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 
605 int64_t vp9_get_y_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
606 #if CONFIG_VP9_HIGHBITDEPTH
607 int64_t vp9_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
608                              const YV12_BUFFER_CONFIG *b);
609 #endif  // CONFIG_VP9_HIGHBITDEPTH
610 
611 void vp9_scale_references(VP9_COMP *cpi);
612 
613 void vp9_update_reference_frames(VP9_COMP *cpi);
614 
615 void vp9_set_high_precision_mv(VP9_COMP *cpi, int allow_high_precision_mv);
616 
617 YV12_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 
622 void vp9_apply_encoding_flags(VP9_COMP *cpi, vpx_enc_frame_flags_t flags);
623 
is_two_pass_svc(const struct VP9_COMP * const cpi)624 static INLINE int is_two_pass_svc(const struct VP9_COMP *const cpi) {
625   return cpi->use_svc && cpi->oxcf.pass != 0;
626 }
627 
is_one_pass_cbr_svc(const struct VP9_COMP * const cpi)628 static INLINE int is_one_pass_cbr_svc(const struct VP9_COMP *const cpi) {
629   return (cpi->use_svc && cpi->oxcf.pass == 0);
630 }
631 
is_altref_enabled(const VP9_COMP * const cpi)632 static 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 
set_ref_ptrs(VP9_COMMON * cm,MACROBLOCKD * xd,MV_REFERENCE_FRAME ref0,MV_REFERENCE_FRAME ref1)639 static 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 
get_chessboard_index(const int frame_index)648 static INLINE int get_chessboard_index(const int frame_index) {
649   return frame_index & 0x1;
650 }
651 
cond_cost_list(const struct VP9_COMP * cpi,int * cost_list)652 static 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 
656 void 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