vp8/encoder/onyx_int.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
  12 #ifndef __INC_VP8_INT_H
  13 #define __INC_VP8_INT_H
  14
  15 #include <stdio.h>
  16 #include "vpx_ports/config.h"
  17 #include "onyx.h"
  18 #include "treewriter.h"
  19 #include "tokenize.h"
  20 #include "onyxc_int.h"
  21 #include "variance.h"
  22 #include "dct.h"
  23 #include "encodemb.h"
  24 #include "quantize.h"
  25 #include "entropy.h"
  26 #include "threading.h"
  27 #include "vpx_ports/mem.h"
  28 #include "vpx/internal/vpx_codec_internal.h"
  29 #include "mcomp.h"
  30 #include "temporal_filter.h"
  31 #include "findnearmv.h"
  32
  33 //#define SPEEDSTATS 1
  34 #define MIN_GF_INTERVAL             4
  35 #define DEFAULT_GF_INTERVAL         7
  36
  37 #define KEY_FRAME_CONTEXT 5
  38
  39 #define MAX_LAG_BUFFERS (CONFIG_REALTIME_ONLY? 1 : 25)
  40
  41 #define AF_THRESH   25
  42 #define AF_THRESH2  100
  43 #define ARF_DECAY_THRESH 12
  44 #define MAX_MODES 20
  45
  46 #define MIN_THRESHMULT  32
  47 #define MAX_THRESHMULT  512
  48
  49 #define GF_ZEROMV_ZBIN_BOOST 24
  50 #define LF_ZEROMV_ZBIN_BOOST 12
  51 #define MV_ZBIN_BOOST        4
  52 #define ZBIN_OQ_MAX 192
  53
  54 #define VP8_TEMPORAL_ALT_REF 1
  55
  56 typedef struct
  57 {
  58     int kf_indicated;
  59     unsigned int frames_since_key;
  60     unsigned int frames_since_golden;
  61     int filter_level;
  62     int frames_till_gf_update_due;
  63     int recent_ref_frame_usage[MAX_REF_FRAMES];
  64
  65     MV_CONTEXT mvc[2];
  66     int mvcosts[2][MVvals+1];
  67
  68 #ifdef MODE_STATS
  69     // Stats
  70     int y_modes[5];
  71     int uv_modes[4];
  72     int b_modes[10];
  73     int inter_y_modes[10];
  74     int inter_uv_modes[4];
  75     int inter_b_modes[10];
  76 #endif
  77
  78     vp8_prob ymode_prob[4], uv_mode_prob[3];   /* interframe intra mode probs */
  79     vp8_prob kf_ymode_prob[4], kf_uv_mode_prob[3];   /* keyframe "" */
  80
  81     int ymode_count[5], uv_mode_count[4];  /* intra MB type cts this frame */
  82
  83     int count_mb_ref_frame_usage[MAX_REF_FRAMES];
  84
  85     int this_frame_percent_intra;
  86     int last_frame_percent_intra;
  87
  88
  89 } CODING_CONTEXT;
  90
  91 typedef struct
  92 {
  93     double frame;
  94     double intra_error;
  95     double coded_error;
  96     double ssim_weighted_pred_err;
  97     double pcnt_inter;
  98     double pcnt_motion;
  99     double pcnt_second_ref;
 100     double MVr;
 101     double mvr_abs;
 102     double MVc;
 103     double mvc_abs;
 104     double MVrv;
 105     double MVcv;
 106     double mv_in_out_count;
 107     double duration;
 108     double count;
 109 }
 110 FIRSTPASS_STATS;
 111
 112 typedef struct
 113 {
 114     int frames_so_far;
 115     double frame_intra_error;
 116     double frame_coded_error;
 117     double frame_pcnt_inter;
 118     double frame_pcnt_motion;
 119     double frame_mvr;
 120     double frame_mvr_abs;
 121     double frame_mvc;
 122     double frame_mvc_abs;
 123
 124 } ONEPASS_FRAMESTATS;
 125
 126
 127 typedef enum
 128 {
 129     THR_ZEROMV         = 0,
 130     THR_DC             = 1,
 131
 132     THR_NEARESTMV      = 2,
 133     THR_NEARMV         = 3,
 134
 135     THR_ZEROG          = 4,
 136     THR_NEARESTG       = 5,
 137
 138     THR_ZEROA          = 6,
 139     THR_NEARESTA       = 7,
 140
 141     THR_NEARG          = 8,
 142     THR_NEARA          = 9,
 143
 144     THR_V_PRED         = 10,
 145     THR_H_PRED         = 11,
 146     THR_TM             = 12,
 147
 148     THR_NEWMV          = 13,
 149     THR_NEWG           = 14,
 150     THR_NEWA           = 15,
 151
 152     THR_SPLITMV        = 16,
 153     THR_SPLITG         = 17,
 154     THR_SPLITA         = 18,
 155
 156     THR_B_PRED         = 19,
 157 }
 158 THR_MODES;
 159
 160 typedef enum
 161 {
 162     DIAMOND = 0,
 163     NSTEP = 1,
 164     HEX = 2
 165 } SEARCH_METHODS;
 166
 167 typedef struct
 168 {
 169     int RD;
 170     SEARCH_METHODS search_method;
 171     int improved_quant;
 172     int improved_dct;
 173     int auto_filter;
 174     int recode_loop;
 175     int iterative_sub_pixel;
 176     int half_pixel_search;
 177     int quarter_pixel_search;
 178     int thresh_mult[MAX_MODES];
 179     int full_freq[2];
 180     int min_fs_radius;
 181     int max_fs_radius;
 182     int max_step_search_steps;
 183     int first_step;
 184     int optimize_coefficients;
 185
 186     int use_fastquant_for_pick;
 187     int no_skip_block4x4_search;
 188     int improved_mv_pred;
 189
 190 } SPEED_FEATURES;
 191
 192 typedef struct
 193 {
 194     MACROBLOCK  mb;
 195     int segment_counts[MAX_MB_SEGMENTS];
 196     int totalrate;
 197 } MB_ROW_COMP;
 198
 199 typedef struct
 200 {
 201     TOKENEXTRA *start;
 202     TOKENEXTRA *stop;
 203 } TOKENLIST;
 204
 205 typedef struct
 206 {
 207     int ithread;
 208     void *ptr1;
 209     void *ptr2;
 210 } ENCODETHREAD_DATA;
 211 typedef struct
 212 {
 213     int ithread;
 214     void *ptr1;
 215 } LPFTHREAD_DATA;
 216
 217 typedef struct
 218 {
 219     INT64  source_time_stamp;
 220     INT64  source_end_time_stamp;
 221
 222     DECLARE_ALIGNED(16, YV12_BUFFER_CONFIG, source_buffer);
 223     unsigned int source_frame_flags;
 224 } SOURCE_SAMPLE;
 225
 226 typedef struct VP8_ENCODER_RTCD
 227 {
 228     VP8_COMMON_RTCD            *common;
 229     vp8_variance_rtcd_vtable_t  variance;
 230     vp8_fdct_rtcd_vtable_t      fdct;
 231     vp8_encodemb_rtcd_vtable_t  encodemb;
 232     vp8_quantize_rtcd_vtable_t  quantize;
 233     vp8_search_rtcd_vtable_t    search;
 234     vp8_temporal_rtcd_vtable_t  temporal;
 235 } VP8_ENCODER_RTCD;
 236
 237 enum
 238 {
 239     BLOCK_16X8,
 240     BLOCK_8X16,
 241     BLOCK_8X8,
 242     BLOCK_4X4,
 243     BLOCK_16X16,
 244     BLOCK_MAX_SEGMENTS
 245 };
 246
 247 typedef struct
 248 {
 249
 250     DECLARE_ALIGNED(16, short, Y1quant[QINDEX_RANGE][16]);
 251     DECLARE_ALIGNED(16, short, Y1quant_shift[QINDEX_RANGE][16]);
 252     DECLARE_ALIGNED(16, short, Y1zbin[QINDEX_RANGE][16]);
 253     DECLARE_ALIGNED(16, short, Y1round[QINDEX_RANGE][16]);
 254
 255     DECLARE_ALIGNED(16, short, Y2quant[QINDEX_RANGE][16]);
 256     DECLARE_ALIGNED(16, short, Y2quant_shift[QINDEX_RANGE][16]);
 257     DECLARE_ALIGNED(16, short, Y2zbin[QINDEX_RANGE][16]);
 258     DECLARE_ALIGNED(16, short, Y2round[QINDEX_RANGE][16]);
 259
 260     DECLARE_ALIGNED(16, short, UVquant[QINDEX_RANGE][16]);
 261     DECLARE_ALIGNED(16, short, UVquant_shift[QINDEX_RANGE][16]);
 262     DECLARE_ALIGNED(16, short, UVzbin[QINDEX_RANGE][16]);
 263     DECLARE_ALIGNED(16, short, UVround[QINDEX_RANGE][16]);
 264
 265     DECLARE_ALIGNED(16, short, zrun_zbin_boost_y1[QINDEX_RANGE][16]);
 266     DECLARE_ALIGNED(16, short, zrun_zbin_boost_y2[QINDEX_RANGE][16]);
 267     DECLARE_ALIGNED(16, short, zrun_zbin_boost_uv[QINDEX_RANGE][16]);
 268     DECLARE_ALIGNED(16, short, Y1quant_fast[QINDEX_RANGE][16]);
 269     DECLARE_ALIGNED(16, short, Y2quant_fast[QINDEX_RANGE][16]);
 270     DECLARE_ALIGNED(16, short, UVquant_fast[QINDEX_RANGE][16]);
 271
 272
 273     MACROBLOCK mb;
 274     VP8_COMMON common;
 275     vp8_writer bc, bc2;
 276     // bool_writer *bc2;
 277
 278     VP8_CONFIG oxcf;
 279
 280     YV12_BUFFER_CONFIG *Source;
 281     YV12_BUFFER_CONFIG *un_scaled_source;
 282     INT64 source_time_stamp;
 283     INT64 source_end_time_stamp;
 284     unsigned int source_frame_flags;
 285     YV12_BUFFER_CONFIG scaled_source;
 286
 287     int source_buffer_count;    // number of src_buffers in use for lagged encoding
 288     int source_encode_index;    // index of buffer in src_buffer to encode
 289     int source_alt_ref_pending; // frame in src_buffers has been identified to be encoded as an alt ref
 290     int source_alt_ref_active;  // an alt ref frame has been encoded and is usable
 291
 292     int last_alt_ref_sei;       // index into src_buffers of frame used as alt reference
 293     int is_src_frame_alt_ref;   // source of frame to encode is an exact copy of an alt ref frame
 294     int is_next_src_alt_ref;    // source of next frame to encode is an exact copy of an alt ref frame
 295
 296     int gold_is_last; // golden frame same as last frame ( short circuit gold searches)
 297     int alt_is_last;  // Alt reference frame same as last ( short circuit altref search)
 298     int gold_is_alt;  // don't do both alt and gold search ( just do gold).
 299
 300     //int refresh_alt_ref_frame;
 301     SOURCE_SAMPLE src_buffer[MAX_LAG_BUFFERS];
 302
 303     YV12_BUFFER_CONFIG last_frame_uf;
 304
 305     TOKENEXTRA *tok;
 306     unsigned int tok_count;
 307
 308
 309     unsigned int frames_since_key;
 310     unsigned int key_frame_frequency;
 311     unsigned int this_key_frame_forced;
 312     unsigned int next_key_frame_forced;
 313
 314     // Ambient reconstruction err target for force key frames
 315     int ambient_err;
 316
 317     unsigned int mode_check_freq[MAX_MODES];
 318     unsigned int mode_test_hit_counts[MAX_MODES];
 319     unsigned int mode_chosen_counts[MAX_MODES];
 320     unsigned int mbs_tested_so_far;
 321
 322     unsigned int check_freq[2];
 323     unsigned int do_full[2];
 324
 325     int rd_thresh_mult[MAX_MODES];
 326     int rd_baseline_thresh[MAX_MODES];
 327     int rd_threshes[MAX_MODES];
 328     int mvcostbase;
 329     int mvcostmultiplier;
 330     int subseqblockweight;
 331     int errthresh;
 332     unsigned int activity_avg;
 333
 334     int RDMULT;
 335     int RDDIV ;
 336
 337     CODING_CONTEXT coding_context;
 338
 339     // Rate targetting variables
 340     long long prediction_error;
 341     long long last_prediction_error;
 342     long long intra_error;
 343     long long last_intra_error;
 344
 345 #if 0
 346     // Experimental RD code
 347     long long frame_distortion;
 348     long long last_frame_distortion;
 349 #endif
 350
 351     int last_mb_distortion;
 352
 353     int frames_since_auto_filter;
 354
 355     int this_frame_target;
 356     int projected_frame_size;
 357     int last_q[2];                   // Separate values for Intra/Inter
 358
 359     double rate_correction_factor;
 360     double key_frame_rate_correction_factor;
 361     double gf_rate_correction_factor;
 362     double est_max_qcorrection_factor;
 363
 364     int frames_till_gf_update_due;      // Count down till next GF
 365     int current_gf_interval;          // GF interval chosen when we coded the last GF
 366
 367     int gf_overspend_bits;            // Total bits overspent becasue of GF boost (cumulative)
 368
 369     int gf_group_bits;                // Projected Bits available for a group of frames including 1 GF or ARF
 370     int gf_bits;                     // Bits for the golden frame or ARF - 2 pass only
 371     int mid_gf_extra_bits;             // A few extra bits for the frame half way between two gfs.
 372
 373     // Projected total bits available for a key frame group of frames
 374     long long kf_group_bits;
 375
 376     // Error score of frames still to be coded in kf group
 377     long long kf_group_error_left;
 378
 379     // Bits for the key frame in a key frame group - 2 pass only
 380     int kf_bits;
 381
 382     int non_gf_bitrate_adjustment;     // Used in the few frames following a GF to recover the extra bits spent in that GF
 383     int initial_gf_use;               // percentage use of gf 2 frames after gf
 384
 385     int gf_group_error_left;           // Remaining error from uncoded frames in a gf group. Two pass use only
 386
 387     int kf_overspend_bits;            // Extra bits spent on key frames that need to be recovered on inter frames
 388     int kf_bitrate_adjustment;        // Current number of bit s to try and recover on each inter frame.
 389     int max_gf_interval;
 390     int static_scene_max_gf_interval;
 391     int baseline_gf_interval;
 392     int gf_decay_rate;
 393     int active_arnr_frames;           // <= cpi->oxcf.arnr_max_frames
 394
 395     INT64 key_frame_count;
 396     INT64 tot_key_frame_bits;
 397     int prior_key_frame_size[KEY_FRAME_CONTEXT];
 398     int prior_key_frame_distance[KEY_FRAME_CONTEXT];
 399     int per_frame_bandwidth;          // Current section per frame bandwidth target
 400     int av_per_frame_bandwidth;        // Average frame size target for clip
 401     int min_frame_bandwidth;          // Minimum allocation that should be used for any frame
 402     int last_key_frame_size;
 403     int intra_frame_target;
 404     int inter_frame_target;
 405     double output_frame_rate;
 406     long long last_time_stamp_seen;
 407     long long last_end_time_stamp_seen;
 408     long long first_time_stamp_ever;
 409
 410     int ni_av_qi;
 411     int ni_tot_qi;
 412     int ni_frames;
 413     int avg_frame_qindex;
 414
 415     int zbin_over_quant;
 416     int zbin_mode_boost;
 417     int zbin_mode_boost_enabled;
 418
 419     INT64 total_byte_count;
 420
 421     int buffered_mode;
 422
 423     int buffer_level;
 424     int bits_off_target;
 425
 426     int rolling_target_bits;
 427     int rolling_actual_bits;
 428
 429     int long_rolling_target_bits;
 430     int long_rolling_actual_bits;
 431
 432     long long total_actual_bits;
 433     int total_target_vs_actual;        // debug stats
 434
 435     int worst_quality;
 436     int active_worst_quality;
 437     int best_quality;
 438     int active_best_quality;
 439
 440     int cq_target_quality;
 441     int maxq_max_limit;
 442     int maxq_min_limit;
 443
 444     int drop_frames_allowed;          // Are we permitted to drop frames?
 445     int drop_frame;                  // Drop this frame?
 446     int drop_count;                  // How many frames have we dropped?
 447     int max_drop_count;               // How many frames should we drop?
 448     int max_consec_dropped_frames;     // Limit number of consecutive frames that can be dropped.
 449
 450
 451     int ymode_count [VP8_YMODES];        /* intra MB type cts this frame */
 452     int uv_mode_count[VP8_UV_MODES];       /* intra MB type cts this frame */
 453
 454     unsigned int MVcount [2] [MVvals];  /* (row,col) MV cts this frame */
 455
 456     unsigned int coef_counts [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens];  /* for this frame */
 457     //DECLARE_ALIGNED(16, int, coef_counts_backup [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens]);   //not used any more
 458     //save vp8_tree_probs_from_distribution result for each frame to avoid repeat calculation
 459     vp8_prob frame_coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens-1];
 460     unsigned int frame_branch_ct [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens-1][2];
 461
 462     /* Second compressed data partition contains coefficient data. */
 463
 464     unsigned char *output_partition2;
 465     size_t output_partition2size;
 466
 467     int frames_to_key;
 468     int gfu_boost;
 469     int kf_boost;
 470     int last_boost;
 471     double total_error_left;
 472     double total_intra_error_left;
 473     double total_coded_error_left;
 474     double start_tot_err_left;
 475     double min_error;
 476     double kf_intra_err_min;
 477     double gf_intra_err_min;
 478
 479     double modified_error_total;
 480     double modified_error_used;
 481     double modified_error_left;
 482     double clip_bpe;
 483     double observed_bpe;
 484
 485     double avg_iiratio;
 486
 487     int target_bandwidth;
 488     long long bits_left;
 489     long long clip_bits_total;
 490     FIRSTPASS_STATS *total_stats;
 491     FIRSTPASS_STATS *this_frame_stats;
 492     FIRSTPASS_STATS *stats_in, *stats_in_end;
 493     struct vpx_codec_pkt_list  *output_pkt_list;
 494     int                          first_pass_done;
 495     unsigned char *fp_motion_map;
 496
 497     unsigned char *fp_motion_map_stats, *fp_motion_map_stats_save;
 498
 499 #if 0
 500     // Experimental code for lagged and one pass
 501     ONEPASS_FRAMESTATS one_pass_frame_stats[MAX_LAG_BUFFERS];
 502     int one_pass_frame_index;
 503 #endif
 504
 505     int decimation_factor;
 506     int decimation_count;
 507
 508     // for real time encoding
 509     int avg_encode_time;              //microsecond
 510     int avg_pick_mode_time;            //microsecond
 511     int Speed;
 512     unsigned int cpu_freq;           //Mhz
 513     int compressor_speed;
 514
 515     int interquantizer;
 516     int auto_gold;
 517     int auto_adjust_gold_quantizer;
 518     int goldquantizer;
 519     int goldfreq;
 520     int auto_adjust_key_quantizer;
 521     int keyquantizer;
 522     int auto_worst_q;
 523     int filter_type;
 524     int cpu_used;
 525     int chroma_boost;
 526     int horiz_scale;
 527     int vert_scale;
 528     int pass;
 529
 530
 531     int prob_intra_coded;
 532     int prob_last_coded;
 533     int prob_gf_coded;
 534     int prob_skip_false;
 535     int last_skip_false_probs[3];
 536     int last_skip_probs_q[3];
 537     int recent_ref_frame_usage[MAX_REF_FRAMES];
 538
 539     int count_mb_ref_frame_usage[MAX_REF_FRAMES];
 540     int this_frame_percent_intra;
 541     int last_frame_percent_intra;
 542
 543     int last_key_frame_q;
 544     int last_kffilt_lvl;
 545
 546     int ref_frame_flags;
 547
 548     SPEED_FEATURES sf;
 549     int error_bins[1024];
 550
 551     int inter_lvl;
 552     int intra_lvl;
 553     int motion_lvl;
 554     int motion_speed;
 555     int motion_var;
 556     unsigned int next_iiratio;
 557     unsigned int this_iiratio;
 558     int this_frame_modified_error;
 559
 560     double norm_intra_err_per_mb;
 561     double norm_inter_err_per_mb;
 562     double norm_iidiff_per_mb;
 563
 564     int last_best_mode_index;          // Record of mode index chosen for previous macro block.
 565     int last_auto_filt_val;
 566     int last_auto_filt_q;
 567
 568     // Data used for real time conferencing mode to help determine if it would be good to update the gf
 569     int inter_zz_count;
 570     int gf_bad_count;
 571     int gf_update_recommended;
 572     int skip_true_count;
 573     int skip_false_count;
 574
 575     int alt_qcount;
 576
 577     int ready_for_new_frame;
 578
 579     unsigned char *segmentation_map;
 580     signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];            // Segment data (can be deltas or absolute values)
 581     int  segment_encode_breakout[MAX_MB_SEGMENTS];                    // segment threashold for encode breakout
 582
 583     unsigned char *active_map;
 584     unsigned int active_map_enabled;
 585     // Video conferencing cyclic refresh mode flags etc
 586     // This is a mode designed to clean up the background over time in live encoding scenarious. It uses segmentation
 587     int cyclic_refresh_mode_enabled;
 588     int cyclic_refresh_mode_max_mbs_perframe;
 589     int cyclic_refresh_mode_index;
 590     int cyclic_refresh_q;
 591     signed char *cyclic_refresh_map;
 592
 593 #if CONFIG_MULTITHREAD
 594     // multithread data
 595     int * mt_current_mb_col;
 596     int mt_sync_range;
 597     int processor_core_count;
 598     int b_multi_threaded;
 599     int encoding_thread_count;
 600
 601     pthread_t *h_encoding_thread;
 602     MB_ROW_COMP *mb_row_ei;
 603     ENCODETHREAD_DATA *en_thread_data;
 604
 605     //events
 606     sem_t *h_event_start_encoding;
 607     sem_t h_event_end_encoding;
 608 #endif
 609
 610     TOKENLIST *tplist;
 611     // end of multithread data
 612
 613
 614     fractional_mv_step_fp *find_fractional_mv_step;
 615     vp8_full_search_fn_t full_search_sad;
 616     vp8_diamond_search_fn_t diamond_search_sad;
 617     vp8_variance_fn_ptr_t fn_ptr[BLOCK_MAX_SEGMENTS];
 618     unsigned int time_receive_data;
 619     unsigned int time_compress_data;
 620     unsigned int time_pick_lpf;
 621     unsigned int time_encode_mb_row;
 622
 623     unsigned int tempdata1;
 624     unsigned int tempdata2;
 625
 626     int base_skip_false_prob[128];
 627     unsigned int section_intra_rating;
 628
 629     double section_max_qfactor;
 630
 631
 632 #if CONFIG_RUNTIME_CPU_DETECT
 633     VP8_ENCODER_RTCD            rtcd;
 634 #endif
 635 #if VP8_TEMPORAL_ALT_REF
 636     SOURCE_SAMPLE alt_ref_buffer;
 637     YV12_BUFFER_CONFIG *frames[MAX_LAG_BUFFERS];
 638     int fixed_divide[512];
 639 #endif
 640     // Flag to indicate temporal filter method
 641     int use_weighted_temporal_filter;
 642
 643 #if CONFIG_PSNR
 644     int    count;
 645     double total_y;
 646     double total_u;
 647     double total_v;
 648     double total ;
 649     double total_sq_error;
 650     double totalp_y;
 651     double totalp_u;
 652     double totalp_v;
 653     double totalp;
 654     double total_sq_error2;
 655     int    bytes;
 656     double summed_quality;
 657     double summed_weights;
 658     unsigned int tot_recode_hits;
 659
 660
 661     double total_ssimg_y;
 662     double total_ssimg_u;
 663     double total_ssimg_v;
 664     double total_ssimg_all;
 665
 666     int b_calculate_ssimg;
 667 #endif
 668     int b_calculate_psnr;
 669
 670
 671     unsigned char *gf_active_flags;   // Record of which MBs still refer to last golden frame either directly or through 0,0
 672     int gf_active_count;
 673
 674     //Store last frame's MV info for next frame MV prediction
 675     int_mv *lfmv;
 676     int *lf_ref_frame_sign_bias;
 677     int *lf_ref_frame;
 678
 679 #if CONFIG_REALTIME_ONLY
 680     int force_next_frame_intra; /* force next frame to intra when kf_auto says so */
 681 #endif
 682 } VP8_COMP;
 683
 684 void control_data_rate(VP8_COMP *cpi);
 685
 686 void vp8_encode_frame(VP8_COMP *cpi);
 687
 688 void vp8_pack_bitstream(VP8_COMP *cpi, unsigned char *dest, unsigned long *size);
 689
 690 unsigned int vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x);
 691
 692 int rd_cost_intra_mb(MACROBLOCKD *x);
 693
 694 void vp8_tokenize_mb(VP8_COMP *, MACROBLOCKD *, TOKENEXTRA **);
 695
 696 void vp8_set_speed_features(VP8_COMP *cpi);
 697
 698 #if CONFIG_DEBUG
 699 #define CHECK_MEM_ERROR(lval,expr) do {\
 700         lval = (expr); \
 701         if(!lval) \
 702             vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\
 703                                "Failed to allocate "#lval" at %s:%d", \
 704                                __FILE__,__LINE__);\
 705     } while(0)
 706 #else
 707 #define CHECK_MEM_ERROR(lval,expr) do {\
 708         lval = (expr); \
 709         if(!lval) \
 710             vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\
 711                                "Failed to allocate "#lval);\
 712     } while(0)
 713 #endif
 714 #endif