vp9/encoder/vp9_encoder.h

   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 #include "vpx_util/vpx_thread.h"
  20
  21 #include "vp9/common/vp9_alloccommon.h"
  22 #include "vp9/common/vp9_ppflags.h"
  23 #include "vp9/common/vp9_entropymode.h"
  24 #include "vp9/common/vp9_thread_common.h"
  25 #include "vp9/common/vp9_onyxc_int.h"
  26
  27 #include "vp9/encoder/vp9_aq_cyclicrefresh.h"
  28 #include "vp9/encoder/vp9_context_tree.h"
  29 #include "vp9/encoder/vp9_encodemb.h"
  30 #include "vp9/encoder/vp9_firstpass.h"
  31 #include "vp9/encoder/vp9_lookahead.h"
  32 #include "vp9/encoder/vp9_mbgraph.h"
  33 #include "vp9/encoder/vp9_mcomp.h"
  34 #include "vp9/encoder/vp9_quantize.h"
  35 #include "vp9/encoder/vp9_ratectrl.h"
  36 #include "vp9/encoder/vp9_rd.h"
  37 #if CONFIG_INTERNAL_STATS
  38 #include "vp9/encoder/vp9_ssim.h"
  39 #endif
  40 #include "vp9/encoder/vp9_speed_features.h"
  41 #include "vp9/encoder/vp9_svc_layercontext.h"
  42 #include "vp9/encoder/vp9_tokenize.h"
  43 #include "vpx_dsp/variance.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   vp9_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   VP9E_TEMPORAL_LAYERING_MODE temporal_layering_mode;
 242 } VP9EncoderConfig;
 243
 244 static INLINE int is_lossless_requested(const VP9EncoderConfig *cfg) {
 245   return cfg->best_allowed_q == 0 && cfg->worst_allowed_q == 0;
 246 }
 247
 248 // TODO(jingning) All spatially adaptive variables should go to TileDataEnc.
 249 typedef struct TileDataEnc {
 250   TileInfo tile_info;
 251   int thresh_freq_fact[BLOCK_SIZES][MAX_MODES];
 252   int mode_map[BLOCK_SIZES][MAX_MODES];
 253 } TileDataEnc;
 254
 255 typedef struct RD_COUNTS {
 256   vp9_coeff_count coef_counts[TX_SIZES][PLANE_TYPES];
 257   int64_t comp_pred_diff[REFERENCE_MODES];
 258   int64_t tx_select_diff[TX_MODES];
 259   int64_t filter_diff[SWITCHABLE_FILTER_CONTEXTS];
 260 } RD_COUNTS;
 261
 262 typedef struct ThreadData {
 263   MACROBLOCK mb;
 264   RD_COUNTS rd_counts;
 265   FRAME_COUNTS *counts;
 266
 267   PICK_MODE_CONTEXT *leaf_tree;
 268   PC_TREE *pc_tree;
 269   PC_TREE *pc_root;
 270 } ThreadData;
 271
 272 struct EncWorkerData;
 273
 274 typedef struct ActiveMap {
 275   int enabled;
 276   int update;
 277   unsigned char *map;
 278 } ActiveMap;
 279
 280 typedef enum {
 281   Y,
 282   U,
 283   V,
 284   ALL
 285 } STAT_TYPE;
 286
 287 typedef struct IMAGE_STAT {
 288   double stat[ALL+1];
 289   double worst;
 290 } ImageStat;
 291
 292 typedef struct VP9_COMP {
 293   QUANTS quants;
 294   ThreadData td;
 295   MB_MODE_INFO_EXT *mbmi_ext_base;
 296   DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]);
 297   DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]);
 298   VP9_COMMON common;
 299   VP9EncoderConfig oxcf;
 300   struct lookahead_ctx    *lookahead;
 301   struct lookahead_entry  *alt_ref_source;
 302
 303   YV12_BUFFER_CONFIG *Source;
 304   YV12_BUFFER_CONFIG *Last_Source;  // NULL for first frame and alt_ref frames
 305   YV12_BUFFER_CONFIG *un_scaled_source;
 306   YV12_BUFFER_CONFIG scaled_source;
 307   YV12_BUFFER_CONFIG *unscaled_last_source;
 308   YV12_BUFFER_CONFIG scaled_last_source;
 309
 310   TileDataEnc *tile_data;
 311   int allocated_tiles;  // Keep track of memory allocated for tiles.
 312
 313   // For a still frame, this flag is set to 1 to skip partition search.
 314   int partition_search_skippable_frame;
 315
 316   int scaled_ref_idx[MAX_REF_FRAMES];
 317   int lst_fb_idx;
 318   int gld_fb_idx;
 319   int alt_fb_idx;
 320
 321   int refresh_last_frame;
 322   int refresh_golden_frame;
 323   int refresh_alt_ref_frame;
 324
 325   int ext_refresh_frame_flags_pending;
 326   int ext_refresh_last_frame;
 327   int ext_refresh_golden_frame;
 328   int ext_refresh_alt_ref_frame;
 329
 330   int ext_refresh_frame_context_pending;
 331   int ext_refresh_frame_context;
 332
 333   YV12_BUFFER_CONFIG last_frame_uf;
 334
 335   TOKENEXTRA *tile_tok[4][1 << 6];
 336   unsigned int tok_count[4][1 << 6];
 337
 338   // Ambient reconstruction err target for force key frames
 339   int64_t ambient_err;
 340
 341   RD_OPT rd;
 342
 343   CODING_CONTEXT coding_context;
 344
 345   int *nmvcosts[2];
 346   int *nmvcosts_hp[2];
 347   int *nmvsadcosts[2];
 348   int *nmvsadcosts_hp[2];
 349
 350   int64_t last_time_stamp_seen;
 351   int64_t last_end_time_stamp_seen;
 352   int64_t first_time_stamp_ever;
 353
 354   RATE_CONTROL rc;
 355   double framerate;
 356
 357   int interp_filter_selected[MAX_REF_FRAMES][SWITCHABLE];
 358
 359   struct vpx_codec_pkt_list  *output_pkt_list;
 360
 361   MBGRAPH_FRAME_STATS mbgraph_stats[MAX_LAG_BUFFERS];
 362   int mbgraph_n_frames;             // number of frames filled in the above
 363   int static_mb_pct;                // % forced skip mbs by segmentation
 364   int ref_frame_flags;
 365
 366   SPEED_FEATURES sf;
 367
 368   unsigned int max_mv_magnitude;
 369   int mv_step_param;
 370
 371   int allow_comp_inter_inter;
 372
 373   // Default value is 1. From first pass stats, encode_breakout may be disabled.
 374   ENCODE_BREAKOUT_TYPE allow_encode_breakout;
 375
 376   // Get threshold from external input. A suggested threshold is 800 for HD
 377   // clips, and 300 for < HD clips.
 378   int encode_breakout;
 379
 380   unsigned char *segmentation_map;
 381
 382   // segment threashold for encode breakout
 383   int  segment_encode_breakout[MAX_SEGMENTS];
 384
 385   CYCLIC_REFRESH *cyclic_refresh;
 386   ActiveMap active_map;
 387
 388   fractional_mv_step_fp *find_fractional_mv_step;
 389   vp9_full_search_fn_t full_search_sad;
 390   vp9_diamond_search_fn_t diamond_search_sad;
 391   vp9_variance_fn_ptr_t fn_ptr[BLOCK_SIZES];
 392   uint64_t time_receive_data;
 393   uint64_t time_compress_data;
 394   uint64_t time_pick_lpf;
 395   uint64_t time_encode_sb_row;
 396
 397 #if CONFIG_FP_MB_STATS
 398   int use_fp_mb_stats;
 399 #endif
 400
 401   TWO_PASS twopass;
 402
 403   YV12_BUFFER_CONFIG alt_ref_buffer;
 404
 405
 406 #if CONFIG_INTERNAL_STATS
 407   unsigned int mode_chosen_counts[MAX_MODES];
 408
 409   int    count;
 410   uint64_t total_sq_error;
 411   uint64_t total_samples;
 412   ImageStat psnr;
 413
 414   uint64_t totalp_sq_error;
 415   uint64_t totalp_samples;
 416   ImageStat psnrp;
 417
 418   double total_blockiness;
 419   double worst_blockiness;
 420
 421   int    bytes;
 422   double summed_quality;
 423   double summed_weights;
 424   double summedp_quality;
 425   double summedp_weights;
 426   unsigned int tot_recode_hits;
 427   double worst_ssim;
 428
 429   ImageStat ssimg;
 430   ImageStat fastssim;
 431   ImageStat psnrhvs;
 432
 433   int b_calculate_ssimg;
 434   int b_calculate_blockiness;
 435
 436   int b_calculate_consistency;
 437
 438   double total_inconsistency;
 439   double worst_consistency;
 440   Ssimv *ssim_vars;
 441   Metrics metrics;
 442 #endif
 443   int b_calculate_psnr;
 444
 445   int droppable;
 446
 447   int initial_width;
 448   int initial_height;
 449   int initial_mbs;  // Number of MBs in the full-size frame; to be used to
 450                     // normalize the firstpass stats. This will differ from the
 451                     // number of MBs in the current frame when the frame is
 452                     // scaled.
 453
 454   int use_svc;
 455
 456   SVC svc;
 457
 458   // Store frame variance info in SOURCE_VAR_BASED_PARTITION search type.
 459   diff *source_diff_var;
 460   // The threshold used in SOURCE_VAR_BASED_PARTITION search type.
 461   unsigned int source_var_thresh;
 462   int frames_till_next_var_check;
 463
 464   int frame_flags;
 465
 466   search_site_config ss_cfg;
 467
 468   int mbmode_cost[INTRA_MODES];
 469   unsigned int inter_mode_cost[INTER_MODE_CONTEXTS][INTER_MODES];
 470   int intra_uv_mode_cost[FRAME_TYPES][INTRA_MODES];
 471   int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES];
 472   int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];
 473   int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES];
 474
 475   int multi_arf_allowed;
 476   int multi_arf_enabled;
 477   int multi_arf_last_grp_enabled;
 478
 479 #if CONFIG_VP9_TEMPORAL_DENOISING
 480   VP9_DENOISER denoiser;
 481 #endif
 482
 483   int resize_pending;
 484   int resize_state;
 485   int resize_scale_num;
 486   int resize_scale_den;
 487   int resize_avg_qp;
 488   int resize_buffer_underflow;
 489   int resize_count;
 490
 491   // VAR_BASED_PARTITION thresholds
 492   // 0 - threshold_64x64; 1 - threshold_32x32;
 493   // 2 - threshold_16x16; 3 - vbp_threshold_8x8;
 494   int64_t vbp_thresholds[4];
 495   int64_t vbp_threshold_minmax;
 496   int64_t vbp_threshold_sad;
 497   BLOCK_SIZE vbp_bsize_min;
 498
 499   // Multi-threading
 500   int num_workers;
 501   VPxWorker *workers;
 502   struct EncWorkerData *tile_thr_data;
 503   VP9LfSync lf_row_sync;
 504 } VP9_COMP;
 505
 506 void vp9_initialize_enc(void);
 507
 508 struct VP9_COMP *vp9_create_compressor(VP9EncoderConfig *oxcf,
 509                                        BufferPool *const pool);
 510 void vp9_remove_compressor(VP9_COMP *cpi);
 511
 512 void vp9_change_config(VP9_COMP *cpi, const VP9EncoderConfig *oxcf);
 513
 514   // receive a frames worth of data. caller can assume that a copy of this
 515   // frame is made and not just a copy of the pointer..
 516 int vp9_receive_raw_frame(VP9_COMP *cpi, unsigned int frame_flags,
 517                           YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
 518                           int64_t end_time_stamp);
 519
 520 int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags,
 521                             size_t *size, uint8_t *dest,
 522                             int64_t *time_stamp, int64_t *time_end, int flush);
 523
 524 int vp9_get_preview_raw_frame(VP9_COMP *cpi, YV12_BUFFER_CONFIG *dest,
 525                               vp9_ppflags_t *flags);
 526
 527 int vp9_use_as_reference(VP9_COMP *cpi, int ref_frame_flags);
 528
 529 void vp9_update_reference(VP9_COMP *cpi, int ref_frame_flags);
 530
 531 int vp9_copy_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
 532                            YV12_BUFFER_CONFIG *sd);
 533
 534 int vp9_set_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
 535                           YV12_BUFFER_CONFIG *sd);
 536
 537 int vp9_update_entropy(VP9_COMP *cpi, int update);
 538
 539 int vp9_set_active_map(VP9_COMP *cpi, unsigned char *map, int rows, int cols);
 540
 541 int vp9_get_active_map(VP9_COMP *cpi, unsigned char *map, int rows, int cols);
 542
 543 int vp9_set_internal_size(VP9_COMP *cpi,
 544                           VPX_SCALING horiz_mode, VPX_SCALING vert_mode);
 545
 546 int vp9_set_size_literal(VP9_COMP *cpi, unsigned int width,
 547                          unsigned int height);
 548
 549 void vp9_set_svc(VP9_COMP *cpi, int use_svc);
 550
 551 int vp9_get_quantizer(struct VP9_COMP *cpi);
 552
 553 static INLINE int frame_is_kf_gf_arf(const VP9_COMP *cpi) {
 554   return frame_is_intra_only(&cpi->common) ||
 555          cpi->refresh_alt_ref_frame ||
 556          (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref);
 557 }
 558
 559 static INLINE int get_ref_frame_map_idx(const VP9_COMP *cpi,
 560                                         MV_REFERENCE_FRAME ref_frame) {
 561   if (ref_frame == LAST_FRAME) {
 562     return cpi->lst_fb_idx;
 563   } else if (ref_frame == GOLDEN_FRAME) {
 564     return cpi->gld_fb_idx;
 565   } else {
 566     return cpi->alt_fb_idx;
 567   }
 568 }
 569
 570 static INLINE int get_ref_frame_buf_idx(const VP9_COMP *const cpi,
 571                                         int ref_frame) {
 572   const VP9_COMMON *const cm = &cpi->common;
 573   const int map_idx = get_ref_frame_map_idx(cpi, ref_frame);
 574   return (map_idx != INVALID_IDX) ? cm->ref_frame_map[map_idx] : INVALID_IDX;
 575 }
 576
 577 static INLINE YV12_BUFFER_CONFIG *get_ref_frame_buffer(
 578     VP9_COMP *cpi, MV_REFERENCE_FRAME ref_frame) {
 579   VP9_COMMON *const cm = &cpi->common;
 580   const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame);
 581   return
 582       buf_idx != INVALID_IDX ? &cm->buffer_pool->frame_bufs[buf_idx].buf : NULL;
 583 }
 584
 585 static INLINE int get_token_alloc(int mb_rows, int mb_cols) {
 586   // TODO(JBB): double check we can't exceed this token count if we have a
 587   // 32x32 transform crossing a boundary at a multiple of 16.
 588   // mb_rows, cols are in units of 16 pixels. We assume 3 planes all at full
 589   // resolution. We assume up to 1 token per pixel, and then allow
 590   // a head room of 4.
 591   return mb_rows * mb_cols * (16 * 16 * 3 + 4);
 592 }
 593
 594 // Get the allocated token size for a tile. It does the same calculation as in
 595 // the frame token allocation.
 596 static INLINE int allocated_tokens(TileInfo tile) {
 597   int tile_mb_rows = (tile.mi_row_end - tile.mi_row_start + 1) >> 1;
 598   int tile_mb_cols = (tile.mi_col_end - tile.mi_col_start + 1) >> 1;
 599
 600   return get_token_alloc(tile_mb_rows, tile_mb_cols);
 601 }
 602
 603 int64_t vp9_get_y_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
 604 #if CONFIG_VP9_HIGHBITDEPTH
 605 int64_t vp9_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
 606                              const YV12_BUFFER_CONFIG *b);
 607 #endif  // CONFIG_VP9_HIGHBITDEPTH
 608
 609 void vp9_alloc_compressor_data(VP9_COMP *cpi);
 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
 621 void vp9_apply_encoding_flags(VP9_COMP *cpi, vpx_enc_frame_flags_t flags);
 622
 623 static INLINE int is_two_pass_svc(const struct VP9_COMP *const cpi) {
 624   return cpi->use_svc && cpi->oxcf.pass != 0;
 625 }
 626
 627 static INLINE int is_one_pass_cbr_svc(const struct VP9_COMP *const cpi) {
 628   return (cpi->use_svc && cpi->oxcf.pass == 0);
 629 }
 630
 631 static INLINE int is_altref_enabled(const VP9_COMP *const cpi) {
 632   return cpi->oxcf.mode != REALTIME && cpi->oxcf.lag_in_frames > 0 &&
 633          (cpi->oxcf.enable_auto_arf &&
 634           (!is_two_pass_svc(cpi) ||
 635            cpi->oxcf.ss_enable_auto_arf[cpi->svc.spatial_layer_id]));
 636 }
 637
 638 static INLINE void set_ref_ptrs(VP9_COMMON *cm, MACROBLOCKD *xd,
 639                                 MV_REFERENCE_FRAME ref0,
 640                                 MV_REFERENCE_FRAME ref1) {
 641   xd->block_refs[0] = &cm->frame_refs[ref0 >= LAST_FRAME ? ref0 - LAST_FRAME
 642                                                          : 0];
 643   xd->block_refs[1] = &cm->frame_refs[ref1 >= LAST_FRAME ? ref1 - LAST_FRAME
 644                                                          : 0];
 645 }
 646
 647 static INLINE int get_chessboard_index(const int frame_index) {
 648   return frame_index & 0x1;
 649 }
 650
 651 static INLINE int *cond_cost_list(const struct VP9_COMP *cpi, int *cost_list) {
 652   return cpi->sf.mv.subpel_search_method != SUBPEL_TREE ? cost_list : NULL;
 653 }
 654
 655 void vp9_new_framerate(VP9_COMP *cpi, double framerate);
 656
 657 #define LAYER_IDS_TO_IDX(sl, tl, num_tl) ((sl) * (num_tl) + (tl))
 658
 659 #ifdef __cplusplus
 660 }  // extern "C"
 661 #endif
 662
 663 #endif  // VP9_ENCODER_VP9_ENCODER_H_