onyx_if.c 178 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
John Koleszar's avatar
John Koleszar committed
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5 6
 *  that can be found in the LICENSE file in the root of the source
 *  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.
John Koleszar's avatar
John Koleszar committed
9 10 11
 */


12
#include "vpx_config.h"
John Koleszar's avatar
John Koleszar committed
13
#include "vp8/common/onyxc_int.h"
John Koleszar's avatar
John Koleszar committed
14
#include "onyx_int.h"
John Koleszar's avatar
John Koleszar committed
15
#include "vp8/common/systemdependent.h"
John Koleszar's avatar
John Koleszar committed
16
#include "quantize.h"
John Koleszar's avatar
John Koleszar committed
17
#include "vp8/common/alloccommon.h"
John Koleszar's avatar
John Koleszar committed
18 19 20 21
#include "mcomp.h"
#include "firstpass.h"
#include "psnr.h"
#include "vpx_scale/vpxscale.h"
John Koleszar's avatar
John Koleszar committed
22
#include "vp8/common/extend.h"
John Koleszar's avatar
John Koleszar committed
23
#include "ratectrl.h"
John Koleszar's avatar
John Koleszar committed
24
#include "vp8/common/quant_common.h"
25
#include "segmentation.h"
John Koleszar's avatar
John Koleszar committed
26
#include "vp8/common/g_common.h"
John Koleszar's avatar
John Koleszar committed
27
#include "vpx_scale/yv12extend.h"
28
#if CONFIG_POSTPROC
John Koleszar's avatar
John Koleszar committed
29
#include "vp8/common/postproc.h"
30
#endif
John Koleszar's avatar
John Koleszar committed
31
#include "vpx_mem/vpx_mem.h"
John Koleszar's avatar
John Koleszar committed
32 33
#include "vp8/common/swapyv12buffer.h"
#include "vp8/common/threading.h"
John Koleszar's avatar
John Koleszar committed
34
#include "vpx_ports/vpx_timer.h"
Johann's avatar
Johann committed
35
#include "temporal_filter.h"
36 37 38
#if ARCH_ARM
#include "vpx_ports/arm.h"
#endif
Yunqing Wang's avatar
Yunqing Wang committed
39 40 41
#if CONFIG_MULTI_RES_ENCODING
#include "mr_dissim.h"
#endif
42

John Koleszar's avatar
John Koleszar committed
43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
#include <math.h>
#include <stdio.h>
#include <limits.h>

#if CONFIG_RUNTIME_CPU_DETECT
#define IF_RTCD(x) (x)
#define RTCD(x) &cpi->common.rtcd.x
#else
#define IF_RTCD(x) NULL
#define RTCD(x) NULL
#endif

extern void vp8cx_pick_filter_level_fast(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi);
extern void vp8cx_set_alt_lf_level(VP8_COMP *cpi, int filt_val);
extern void vp8cx_pick_filter_level(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi);

extern void vp8_dmachine_specific_config(VP8_COMP *cpi);
extern void vp8_cmachine_specific_config(VP8_COMP *cpi);
extern void vp8_deblock_frame(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *post, int filt_lvl, int low_var_thresh, int flag);
extern void print_parms(VP8_CONFIG *ocf, char *filenam);
extern unsigned int vp8_get_processor_freq();
extern void print_tree_update_probs();
extern void vp8cx_create_encoder_threads(VP8_COMP *cpi);
extern void vp8cx_remove_encoder_threads(VP8_COMP *cpi);
#if HAVE_ARMV7
extern void vp8_yv12_copy_frame_func_neon(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
extern void vp8_yv12_copy_src_frame_func_neon(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
#endif

int vp8_estimate_entropy_savings(VP8_COMP *cpi);
73

John Koleszar's avatar
John Koleszar committed
74 75
int vp8_calc_ss_err(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest, const vp8_variance_rtcd_vtable_t *rtcd);

John Koleszar's avatar
John Koleszar committed
76
extern void vp8_temporal_filter_prepare_c(VP8_COMP *cpi, int distance);
John Koleszar's avatar
John Koleszar committed
77

78
static void set_default_lf_deltas(VP8_COMP *cpi);
John Koleszar's avatar
John Koleszar committed
79 80 81

extern const int vp8_gf_interval_table[101];

82
#if CONFIG_INTERNAL_STATS
John Koleszar's avatar
John Koleszar committed
83 84 85 86 87 88 89
#include "math.h"

extern double vp8_calc_ssim
(
    YV12_BUFFER_CONFIG *source,
    YV12_BUFFER_CONFIG *dest,
    int lumamask,
90 91
    double *weight,
    const vp8_variance_rtcd_vtable_t *rtcd
John Koleszar's avatar
John Koleszar committed
92 93
);

94

John Koleszar's avatar
John Koleszar committed
95 96 97 98 99 100
extern double vp8_calc_ssimg
(
    YV12_BUFFER_CONFIG *source,
    YV12_BUFFER_CONFIG *dest,
    double *ssim_y,
    double *ssim_u,
101 102
    double *ssim_v,
    const vp8_variance_rtcd_vtable_t *rtcd
John Koleszar's avatar
John Koleszar committed
103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157
);


#endif


#ifdef OUTPUT_YUV_SRC
FILE *yuv_file;
#endif

#if 0
FILE *framepsnr;
FILE *kf_list;
FILE *keyfile;
#endif

#if 0
extern int skip_true_count;
extern int skip_false_count;
#endif


#ifdef ENTROPY_STATS
extern int intra_mode_stats[10][10][10];
#endif

#ifdef SPEEDSTATS
unsigned int frames_at_speed[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
unsigned int tot_pm = 0;
unsigned int cnt_pm = 0;
unsigned int tot_ef = 0;
unsigned int cnt_ef = 0;
#endif

#ifdef MODE_STATS
extern unsigned __int64 Sectionbits[50];
extern int y_modes[5]  ;
extern int uv_modes[4] ;
extern int b_modes[10]  ;

extern int inter_y_modes[10] ;
extern int inter_uv_modes[4] ;
extern unsigned int inter_b_modes[15];
#endif

extern void (*vp8_short_fdct4x4)(short *input, short *output, int pitch);
extern void (*vp8_short_fdct8x4)(short *input, short *output, int pitch);

extern const int vp8_bits_per_mb[2][QINDEX_RANGE];

extern const int qrounding_factors[129];
extern const int qzbin_factors[129];
extern void vp8cx_init_quantizer(VP8_COMP *cpi);
extern const int vp8cx_base_skip_false_prob[128];

158 159 160
// Tables relating active max Q to active min Q
static const int kf_low_motion_minq[QINDEX_RANGE] =
{
Paul Wilkins's avatar
CQ Mode  
Paul Wilkins committed
161 162 163 164 165 166 167 168
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    0,0,0,0,1,1,1,1,1,1,1,1,2,2,2,2,
    3,3,3,3,3,3,4,4,4,5,5,5,5,5,6,6,
    6,6,7,7,8,8,8,8,9,9,10,10,10,10,11,11,
    11,11,12,12,13,13,13,13,14,14,15,15,15,15,16,16,
    16,16,17,17,18,18,18,18,19,20,20,21,21,22,23,23
169 170 171
};
static const int kf_high_motion_minq[QINDEX_RANGE] =
{
Paul Wilkins's avatar
CQ Mode  
Paul Wilkins committed
172 173 174 175 176 177 178 179
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
    1,1,1,1,1,1,1,1,2,2,2,2,3,3,3,3,
    3,3,3,3,4,4,4,4,5,5,5,5,5,5,6,6,
    6,6,7,7,8,8,8,8,9,9,10,10,10,10,11,11,
    11,11,12,12,13,13,13,13,14,14,15,15,15,15,16,16,
    16,16,17,17,18,18,18,18,19,19,20,20,20,20,21,21,
    21,21,22,22,23,23,24,25,25,26,26,27,28,28,29,30
180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200
};
static const int gf_low_motion_minq[QINDEX_RANGE] =
{
    0,0,0,0,1,1,1,1,1,1,1,1,2,2,2,2,
    3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,
    7,7,7,7,8,8,8,8,9,9,9,9,10,10,10,10,
    11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,
    19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,
    27,27,28,28,29,29,30,30,31,31,32,32,33,33,34,34,
    35,35,36,36,37,37,38,38,39,39,40,40,41,41,42,42,
    43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58
};
static const int gf_mid_motion_minq[QINDEX_RANGE] =
{
    0,0,0,0,1,1,1,1,1,1,2,2,3,3,3,4,
    4,4,5,5,5,6,6,6,7,7,7,8,8,8,9,9,
    9,10,10,10,10,11,11,11,12,12,12,12,13,13,13,14,
    14,14,15,15,16,16,17,17,18,18,19,19,20,20,21,21,
    22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,
    30,30,31,31,32,32,33,33,34,34,35,35,36,36,37,37,
    38,39,39,40,40,41,41,42,42,43,43,44,45,46,47,48,
Paul Wilkins's avatar
CQ Mode  
Paul Wilkins committed
201
    49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64
202 203 204 205 206 207 208 209 210 211
};
static const int gf_high_motion_minq[QINDEX_RANGE] =
{
    0,0,0,0,1,1,1,1,1,2,2,2,3,3,3,4,
    4,4,5,5,5,6,6,6,7,7,7,8,8,8,9,9,
    9,10,10,10,11,11,12,12,13,13,14,14,15,15,16,16,
    17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,
    25,25,26,26,27,27,28,28,29,29,30,30,31,31,32,32,
    33,33,34,34,35,35,36,36,37,37,38,38,39,39,40,40,
    41,41,42,42,43,44,45,46,47,48,49,50,51,52,53,54,
Paul Wilkins's avatar
CQ Mode  
Paul Wilkins committed
212
    55,56,57,58,59,60,62,64,66,68,70,72,74,76,78,80
213 214 215
};
static const int inter_minq[QINDEX_RANGE] =
{
Paul Wilkins's avatar
Paul Wilkins committed
216 217 218 219 220 221 222 223
    0,0,1,1,2,3,3,4,4,5,6,6,7,8,8,9,
    9,10,11,11,12,13,13,14,15,15,16,17,17,18,19,20,
    20,21,22,22,23,24,24,25,26,27,27,28,29,30,30,31,
    32,33,33,34,35,36,36,37,38,39,39,40,41,42,42,43,
    44,45,46,46,47,48,49,50,50,51,52,53,54,55,55,56,
    57,58,59,60,60,61,62,63,64,65,66,67,67,68,69,70,
    71,72,73,74,75,75,76,77,78,79,80,81,82,83,84,85,
    86,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100
224
};
John Koleszar's avatar
John Koleszar committed
225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243

void vp8_initialize()
{
    static int init_done = 0;

    if (!init_done)
    {
        vp8_scale_machine_specific_config();
        vp8_initialize_common();
        //vp8_dmachine_specific_config();
        vp8_tokenize_initialize();

        init_done = 1;
    }
}
#ifdef PACKET_TESTING
extern FILE *vpxlogc;
#endif

244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316
static void save_layer_context(VP8_COMP *cpi)
{
    LAYER_CONTEXT *lc = &cpi->layer_context[cpi->current_layer];

    // Save layer dependent coding state
    lc->target_bandwidth                 = cpi->target_bandwidth;
    //lc->target_bandwidth                 = cpi->oxcf.target_bandwidth;
    lc->starting_buffer_level            = cpi->oxcf.starting_buffer_level;
    lc->optimal_buffer_level             = cpi->oxcf.optimal_buffer_level;
    lc->maximum_buffer_size              = cpi->oxcf.maximum_buffer_size;
    lc->buffer_level                     = cpi->buffer_level;
    lc->bits_off_target                  = cpi->bits_off_target;
    lc->total_actual_bits                = cpi->total_actual_bits;
    lc->worst_quality                    = cpi->worst_quality;
    lc->active_worst_quality             = cpi->active_worst_quality;
    lc->best_quality                     = cpi->best_quality;
    lc->active_best_quality              = cpi->active_best_quality;
    lc->ni_av_qi                         = cpi->ni_av_qi;
    lc->ni_tot_qi                        = cpi->ni_tot_qi;
    lc->ni_frames                        = cpi->ni_frames;
    lc->avg_frame_qindex                 = cpi->avg_frame_qindex;
    lc->rate_correction_factor           = cpi->rate_correction_factor;
    lc->key_frame_rate_correction_factor = cpi->key_frame_rate_correction_factor;
    lc->gf_rate_correction_factor        = cpi->gf_rate_correction_factor;
    lc->zbin_over_quant                  = cpi->zbin_over_quant;
    lc->inter_frame_target               = cpi->inter_frame_target;
    lc->total_byte_count                 = cpi->total_byte_count;
    lc->filter_level                     = cpi->common.filter_level;

    lc->last_frame_percent_intra         = cpi->last_frame_percent_intra;

    memcpy (lc->count_mb_ref_frame_usage,
            cpi->count_mb_ref_frame_usage,
            sizeof(cpi->count_mb_ref_frame_usage));
}

static void restore_layer_context(VP8_COMP *cpi, const int layer)
{
    LAYER_CONTEXT *lc = &cpi->layer_context[layer];

    // Restore layer dependent coding state
    cpi->current_layer                    = layer;
    cpi->target_bandwidth                 = lc->target_bandwidth;
    cpi->oxcf.target_bandwidth            = lc->target_bandwidth;
    cpi->oxcf.starting_buffer_level       = lc->starting_buffer_level;
    cpi->oxcf.optimal_buffer_level        = lc->optimal_buffer_level;
    cpi->oxcf.maximum_buffer_size         = lc->maximum_buffer_size;
    cpi->buffer_level                     = lc->buffer_level;
    cpi->bits_off_target                  = lc->bits_off_target;
    cpi->total_actual_bits                = lc->total_actual_bits;
    //cpi->worst_quality                    = lc->worst_quality;
    cpi->active_worst_quality             = lc->active_worst_quality;
    //cpi->best_quality                     = lc->best_quality;
    cpi->active_best_quality              = lc->active_best_quality;
    cpi->ni_av_qi                         = lc->ni_av_qi;
    cpi->ni_tot_qi                        = lc->ni_tot_qi;
    cpi->ni_frames                        = lc->ni_frames;
    cpi->avg_frame_qindex                 = lc->avg_frame_qindex;
    cpi->rate_correction_factor           = lc->rate_correction_factor;
    cpi->key_frame_rate_correction_factor = lc->key_frame_rate_correction_factor;
    cpi->gf_rate_correction_factor        = lc->gf_rate_correction_factor;
    cpi->zbin_over_quant                  = lc->zbin_over_quant;
    cpi->inter_frame_target               = lc->inter_frame_target;
    cpi->total_byte_count                 = lc->total_byte_count;
    cpi->common.filter_level              = lc->filter_level;

    cpi->last_frame_percent_intra         = lc->last_frame_percent_intra;

    memcpy (cpi->count_mb_ref_frame_usage,
            lc->count_mb_ref_frame_usage,
            sizeof(cpi->count_mb_ref_frame_usage));
}

John Koleszar's avatar
John Koleszar committed
317 318 319 320 321 322 323 324 325 326 327 328 329
static void setup_features(VP8_COMP *cpi)
{
    // Set up default state for MB feature flags
    cpi->mb.e_mbd.segmentation_enabled = 0;
    cpi->mb.e_mbd.update_mb_segmentation_map = 0;
    cpi->mb.e_mbd.update_mb_segmentation_data = 0;
    vpx_memset(cpi->mb.e_mbd.mb_segment_tree_probs, 255, sizeof(cpi->mb.e_mbd.mb_segment_tree_probs));
    vpx_memset(cpi->mb.e_mbd.segment_feature_data, 0, sizeof(cpi->mb.e_mbd.segment_feature_data));

    cpi->mb.e_mbd.mode_ref_lf_delta_enabled = 0;
    cpi->mb.e_mbd.mode_ref_lf_delta_update = 0;
    vpx_memset(cpi->mb.e_mbd.ref_lf_deltas, 0, sizeof(cpi->mb.e_mbd.ref_lf_deltas));
    vpx_memset(cpi->mb.e_mbd.mode_lf_deltas, 0, sizeof(cpi->mb.e_mbd.mode_lf_deltas));
330 331
    vpx_memset(cpi->mb.e_mbd.last_ref_lf_deltas, 0, sizeof(cpi->mb.e_mbd.ref_lf_deltas));
    vpx_memset(cpi->mb.e_mbd.last_mode_lf_deltas, 0, sizeof(cpi->mb.e_mbd.mode_lf_deltas));
John Koleszar's avatar
John Koleszar committed
332

333
    set_default_lf_deltas(cpi);
John Koleszar's avatar
John Koleszar committed
334 335 336 337

}


338
static void dealloc_compressor_data(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
339
{
340
    vpx_free(cpi->tplist);
341 342
    cpi->tplist = NULL;

343
    // Delete last frame MV storage buffers
344
    vpx_free(cpi->lfmv);
345 346
    cpi->lfmv = 0;

347
    vpx_free(cpi->lf_ref_frame_sign_bias);
348 349
    cpi->lf_ref_frame_sign_bias = 0;

350
    vpx_free(cpi->lf_ref_frame);
351
    cpi->lf_ref_frame = 0;
John Koleszar's avatar
John Koleszar committed
352 353

    // Delete sementation map
354
    vpx_free(cpi->segmentation_map);
John Koleszar's avatar
John Koleszar committed
355 356
    cpi->segmentation_map = 0;

357
    vpx_free(cpi->active_map);
John Koleszar's avatar
John Koleszar committed
358 359 360 361
    cpi->active_map = 0;

    vp8_de_alloc_frame_buffers(&cpi->common);

362
    vp8_yv12_de_alloc_frame_buffer(&cpi->pick_lf_lvl_frame);
John Koleszar's avatar
John Koleszar committed
363 364
    vp8_yv12_de_alloc_frame_buffer(&cpi->scaled_source);
#if VP8_TEMPORAL_ALT_REF
John Koleszar's avatar
John Koleszar committed
365
    vp8_yv12_de_alloc_frame_buffer(&cpi->alt_ref_buffer);
John Koleszar's avatar
John Koleszar committed
366
#endif
John Koleszar's avatar
John Koleszar committed
367
    vp8_lookahead_destroy(cpi->lookahead);
John Koleszar's avatar
John Koleszar committed
368 369 370 371

    vpx_free(cpi->tok);
    cpi->tok = 0;

372
    // Structure used to monitor GF usage
373
    vpx_free(cpi->gf_active_flags);
374 375
    cpi->gf_active_flags = 0;

376 377 378 379 380 381
    // Activity mask based per mb zbin adjustments
    vpx_free(cpi->mb_activity_map);
    cpi->mb_activity_map = 0;
    vpx_free(cpi->mb_norm_activity_map);
    cpi->mb_norm_activity_map = 0;

382
    vpx_free(cpi->mb.pip);
383
    cpi->mb.pip = 0;
John Koleszar's avatar
John Koleszar committed
384 385
}

John Koleszar's avatar
John Koleszar committed
386
static void enable_segmentation(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
387 388 389 390 391 392
{
    // Set the appropriate feature bit
    cpi->mb.e_mbd.segmentation_enabled = 1;
    cpi->mb.e_mbd.update_mb_segmentation_map = 1;
    cpi->mb.e_mbd.update_mb_segmentation_data = 1;
}
John Koleszar's avatar
John Koleszar committed
393
static void disable_segmentation(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
394 395 396 397 398 399 400
{
    // Clear the appropriate feature bit
    cpi->mb.e_mbd.segmentation_enabled = 0;
}

// Valid values for a segment are 0 to 3
// Segmentation map is arrange as [Rows][Columns]
John Koleszar's avatar
John Koleszar committed
401
static void set_segmentation_map(VP8_COMP *cpi, unsigned char *segmentation_map)
John Koleszar's avatar
John Koleszar committed
402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418
{
    // Copy in the new segmentation map
    vpx_memcpy(cpi->segmentation_map, segmentation_map, (cpi->common.mb_rows * cpi->common.mb_cols));

    // Signal that the map should be updated.
    cpi->mb.e_mbd.update_mb_segmentation_map = 1;
    cpi->mb.e_mbd.update_mb_segmentation_data = 1;
}

// The values given for each segment can be either deltas (from the default value chosen for the frame) or absolute values.
//
// Valid range for abs values is (0-127 for MB_LVL_ALT_Q) , (0-63 for SEGMENT_ALT_LF)
// Valid range for delta values are (+/-127 for MB_LVL_ALT_Q) , (+/-63 for SEGMENT_ALT_LF)
//
// abs_delta = SEGMENT_DELTADATA (deltas) abs_delta = SEGMENT_ABSDATA (use the absolute values given).
//
//
John Koleszar's avatar
John Koleszar committed
419
static void set_segment_data(VP8_COMP *cpi, signed char *feature_data, unsigned char abs_delta)
John Koleszar's avatar
John Koleszar committed
420 421 422 423 424 425
{
    cpi->mb.e_mbd.mb_segement_abs_delta = abs_delta;
    vpx_memcpy(cpi->segment_feature_data, feature_data, sizeof(cpi->segment_feature_data));
}


John Koleszar's avatar
John Koleszar committed
426
static void segmentation_test_function(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454
{
    unsigned char *seg_map;
    signed char feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];

    // Create a temporary map for segmentation data.
    CHECK_MEM_ERROR(seg_map, vpx_calloc(cpi->common.mb_rows * cpi->common.mb_cols, 1));

    // MB loop to set local segmentation map
    /*for ( i = 0; i < cpi->common.mb_rows; i++ )
    {
        for ( j = 0; j < cpi->common.mb_cols; j++ )
        {
            //seg_map[(i*cpi->common.mb_cols) + j] = (j % 2) + ((i%2)* 2);
            //if ( j < cpi->common.mb_cols/2 )

            // Segment 1 around the edge else 0
            if ( (i == 0) || (j == 0) || (i == (cpi->common.mb_rows-1)) || (j == (cpi->common.mb_cols-1)) )
                seg_map[(i*cpi->common.mb_cols) + j] = 1;
            //else if ( (i < 2) || (j < 2) || (i > (cpi->common.mb_rows-3)) || (j > (cpi->common.mb_cols-3)) )
            //  seg_map[(i*cpi->common.mb_cols) + j] = 2;
            //else if ( (i < 5) || (j < 5) || (i > (cpi->common.mb_rows-6)) || (j > (cpi->common.mb_cols-6)) )
            //  seg_map[(i*cpi->common.mb_cols) + j] = 3;
            else
                seg_map[(i*cpi->common.mb_cols) + j] = 0;
        }
    }*/

    // Set the segmentation Map
John Koleszar's avatar
John Koleszar committed
455
    set_segmentation_map(cpi, seg_map);
John Koleszar's avatar
John Koleszar committed
456 457

    // Activate segmentation.
John Koleszar's avatar
John Koleszar committed
458
    enable_segmentation(cpi);
John Koleszar's avatar
John Koleszar committed
459 460 461 462 463 464 465 466 467 468 469 470 471 472

    // Set up the quant segment data
    feature_data[MB_LVL_ALT_Q][0] = 0;
    feature_data[MB_LVL_ALT_Q][1] = 4;
    feature_data[MB_LVL_ALT_Q][2] = 0;
    feature_data[MB_LVL_ALT_Q][3] = 0;
    // Set up the loop segment data
    feature_data[MB_LVL_ALT_LF][0] = 0;
    feature_data[MB_LVL_ALT_LF][1] = 0;
    feature_data[MB_LVL_ALT_LF][2] = 0;
    feature_data[MB_LVL_ALT_LF][3] = 0;

    // Initialise the feature data structure
    // SEGMENT_DELTADATA    0, SEGMENT_ABSDATA      1
John Koleszar's avatar
John Koleszar committed
473
    set_segment_data(cpi, &feature_data[0][0], SEGMENT_DELTADATA);
John Koleszar's avatar
John Koleszar committed
474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546

    // Delete sementation map
        vpx_free(seg_map);

    seg_map = 0;

}

// A simple function to cyclically refresh the background at a lower Q
static void cyclic_background_refresh(VP8_COMP *cpi, int Q, int lf_adjustment)
{
    unsigned char *seg_map;
    signed char feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];
    int i;
    int block_count = cpi->cyclic_refresh_mode_max_mbs_perframe;
    int mbs_in_frame = cpi->common.mb_rows * cpi->common.mb_cols;

    // Create a temporary map for segmentation data.
    CHECK_MEM_ERROR(seg_map, vpx_calloc(cpi->common.mb_rows * cpi->common.mb_cols, 1));

    cpi->cyclic_refresh_q = Q;

    for (i = Q; i > 0; i--)
    {
        if (vp8_bits_per_mb[cpi->common.frame_type][i] >= ((vp8_bits_per_mb[cpi->common.frame_type][Q]*(Q + 128)) / 64))
            //if ( vp8_bits_per_mb[cpi->common.frame_type][i] >= ((vp8_bits_per_mb[cpi->common.frame_type][Q]*((2*Q)+96))/64) )
        {
            break;
        }
    }

    cpi->cyclic_refresh_q = i;

    // Only update for inter frames
    if (cpi->common.frame_type != KEY_FRAME)
    {
        // Cycle through the macro_block rows
        // MB loop to set local segmentation map
        for (i = cpi->cyclic_refresh_mode_index; i < mbs_in_frame; i++)
        {
            // If the MB is as a candidate for clean up then mark it for possible boost/refresh (segment 1)
            // The segment id may get reset to 0 later if the MB gets coded anything other than last frame 0,0
            // as only (last frame 0,0) MBs are eligable for refresh : that is to say Mbs likely to be background blocks.
            if (cpi->cyclic_refresh_map[i] == 0)
            {
                seg_map[i] = 1;
            }
            else
            {
                seg_map[i] = 0;

                // Skip blocks that have been refreshed recently anyway.
                if (cpi->cyclic_refresh_map[i] < 0)
                    //cpi->cyclic_refresh_map[i] = cpi->cyclic_refresh_map[i] / 16;
                    cpi->cyclic_refresh_map[i]++;
            }


            if (block_count > 0)
                block_count--;
            else
                break;

        }

        // If we have gone through the frame reset to the start
        cpi->cyclic_refresh_mode_index = i;

        if (cpi->cyclic_refresh_mode_index >= mbs_in_frame)
            cpi->cyclic_refresh_mode_index = 0;
    }

    // Set the segmentation Map
John Koleszar's avatar
John Koleszar committed
547
    set_segmentation_map(cpi, seg_map);
John Koleszar's avatar
John Koleszar committed
548 549

    // Activate segmentation.
John Koleszar's avatar
John Koleszar committed
550
    enable_segmentation(cpi);
John Koleszar's avatar
John Koleszar committed
551 552 553 554 555 556 557 558 559 560 561 562 563 564 565

    // Set up the quant segment data
    feature_data[MB_LVL_ALT_Q][0] = 0;
    feature_data[MB_LVL_ALT_Q][1] = (cpi->cyclic_refresh_q - Q);
    feature_data[MB_LVL_ALT_Q][2] = 0;
    feature_data[MB_LVL_ALT_Q][3] = 0;

    // Set up the loop segment data
    feature_data[MB_LVL_ALT_LF][0] = 0;
    feature_data[MB_LVL_ALT_LF][1] = lf_adjustment;
    feature_data[MB_LVL_ALT_LF][2] = 0;
    feature_data[MB_LVL_ALT_LF][3] = 0;

    // Initialise the feature data structure
    // SEGMENT_DELTADATA    0, SEGMENT_ABSDATA      1
John Koleszar's avatar
John Koleszar committed
566
    set_segment_data(cpi, &feature_data[0][0], SEGMENT_DELTADATA);
John Koleszar's avatar
John Koleszar committed
567 568

    // Delete sementation map
569
    vpx_free(seg_map);
John Koleszar's avatar
John Koleszar committed
570 571 572 573 574

    seg_map = 0;

}

575
static void set_default_lf_deltas(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601
{
    cpi->mb.e_mbd.mode_ref_lf_delta_enabled = 1;
    cpi->mb.e_mbd.mode_ref_lf_delta_update = 1;

    vpx_memset(cpi->mb.e_mbd.ref_lf_deltas, 0, sizeof(cpi->mb.e_mbd.ref_lf_deltas));
    vpx_memset(cpi->mb.e_mbd.mode_lf_deltas, 0, sizeof(cpi->mb.e_mbd.mode_lf_deltas));

    // Test of ref frame deltas
    cpi->mb.e_mbd.ref_lf_deltas[INTRA_FRAME] = 2;
    cpi->mb.e_mbd.ref_lf_deltas[LAST_FRAME] = 0;
    cpi->mb.e_mbd.ref_lf_deltas[GOLDEN_FRAME] = -2;
    cpi->mb.e_mbd.ref_lf_deltas[ALTREF_FRAME] = -2;

    cpi->mb.e_mbd.mode_lf_deltas[0] = 4;               // BPRED
    cpi->mb.e_mbd.mode_lf_deltas[1] = -2;              // Zero
    cpi->mb.e_mbd.mode_lf_deltas[2] = 2;               // New mv
    cpi->mb.e_mbd.mode_lf_deltas[3] = 4;               // Split mv
}

void vp8_set_speed_features(VP8_COMP *cpi)
{
    SPEED_FEATURES *sf = &cpi->sf;
    int Mode = cpi->compressor_speed;
    int Speed = cpi->Speed;
    int i;
    VP8_COMMON *cm = &cpi->common;
602
    int last_improved_quant = sf->improved_quant;
603
    int ref_frames;
John Koleszar's avatar
John Koleszar committed
604 605 606 607 608 609 610 611 612 613 614

    // Initialise default mode frequency sampling variables
    for (i = 0; i < MAX_MODES; i ++)
    {
        cpi->mode_check_freq[i] = 0;
        cpi->mode_test_hit_counts[i] = 0;
        cpi->mode_chosen_counts[i] = 0;
    }

    cpi->mbs_tested_so_far = 0;

615
    // best quality defaults
John Koleszar's avatar
John Koleszar committed
616 617 618 619 620 621 622 623 624 625
    sf->RD = 1;
    sf->search_method = NSTEP;
    sf->improved_quant = 1;
    sf->improved_dct = 1;
    sf->auto_filter = 1;
    sf->recode_loop = 1;
    sf->quarter_pixel_search = 1;
    sf->half_pixel_search = 1;
    sf->iterative_sub_pixel = 1;
    sf->optimize_coefficients = 1;
626
    sf->use_fastquant_for_pick = 0;
627
    sf->no_skip_block4x4_search = 1;
John Koleszar's avatar
John Koleszar committed
628 629 630

    sf->first_step = 0;
    sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
631
    sf->improved_mv_pred = 1;
John Koleszar's avatar
John Koleszar committed
632 633 634 635 636

    // default thresholds to 0
    for (i = 0; i < MAX_MODES; i++)
        sf->thresh_mult[i] = 0;

637 638 639 640 641 642 643 644 645
    /* Count enabled references */
    ref_frames = 1;
    if (cpi->ref_frame_flags & VP8_LAST_FLAG)
        ref_frames++;
    if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
        ref_frames++;
    if (cpi->ref_frame_flags & VP8_ALT_FLAG)
        ref_frames++;

John Koleszar's avatar
John Koleszar committed
646 647 648 649
    switch (Mode)
    {
#if !(CONFIG_REALTIME_ONLY)
    case 0: // best quality mode
650 651 652 653 654 655 656 657 658
        sf->thresh_mult[THR_ZERO1    ] = 0;
        sf->thresh_mult[THR_ZERO2    ] = 0;
        sf->thresh_mult[THR_ZERO3    ] = 0;
        sf->thresh_mult[THR_NEAREST1 ] = 0;
        sf->thresh_mult[THR_NEAREST2 ] = 0;
        sf->thresh_mult[THR_NEAREST3 ] = 0;
        sf->thresh_mult[THR_NEAR1    ] = 0;
        sf->thresh_mult[THR_NEAR2    ] = 0;
        sf->thresh_mult[THR_NEAR3    ] = 0;
John Koleszar's avatar
John Koleszar committed
659 660 661 662 663 664 665 666

        sf->thresh_mult[THR_DC       ] = 0;

        sf->thresh_mult[THR_V_PRED   ] = 1000;
        sf->thresh_mult[THR_H_PRED   ] = 1000;
        sf->thresh_mult[THR_B_PRED   ] = 2000;
        sf->thresh_mult[THR_TM       ] = 1000;

667 668 669
        sf->thresh_mult[THR_NEW1     ] = 1000;
        sf->thresh_mult[THR_NEW2     ] = 1000;
        sf->thresh_mult[THR_NEW3     ] = 1000;
John Koleszar's avatar
John Koleszar committed
670

671 672 673
        sf->thresh_mult[THR_SPLIT1   ] = 2500;
        sf->thresh_mult[THR_SPLIT2   ] = 5000;
        sf->thresh_mult[THR_SPLIT3   ] = 5000;
John Koleszar's avatar
John Koleszar committed
674 675 676 677 678 679 680


        sf->first_step = 0;
        sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
        break;
    case 1:
    case 3:
681 682
        sf->thresh_mult[THR_NEAREST1 ] = 0;
        sf->thresh_mult[THR_ZERO1    ] = 0;
John Koleszar's avatar
John Koleszar committed
683
        sf->thresh_mult[THR_DC       ] = 0;
684
        sf->thresh_mult[THR_NEAR1    ] = 0;
John Koleszar's avatar
John Koleszar committed
685 686 687 688 689
        sf->thresh_mult[THR_V_PRED   ] = 1000;
        sf->thresh_mult[THR_H_PRED   ] = 1000;
        sf->thresh_mult[THR_B_PRED   ] = 2500;
        sf->thresh_mult[THR_TM       ] = 1000;

690 691
        sf->thresh_mult[THR_NEAREST2 ] = 1000;
        sf->thresh_mult[THR_NEAREST3 ] = 1000;
John Koleszar's avatar
John Koleszar committed
692

693 694 695 696
        sf->thresh_mult[THR_ZERO2    ] = 1000;
        sf->thresh_mult[THR_ZERO3    ] = 1000;
        sf->thresh_mult[THR_NEAR2    ] = 1000;
        sf->thresh_mult[THR_NEAR3    ] = 1000;
John Koleszar's avatar
John Koleszar committed
697

698
#if 1
699 700 701 702 703 704 705 706 707
        sf->thresh_mult[THR_ZERO1    ] = 0;
        sf->thresh_mult[THR_ZERO2    ] = 0;
        sf->thresh_mult[THR_ZERO3    ] = 0;
        sf->thresh_mult[THR_NEAREST1 ] = 0;
        sf->thresh_mult[THR_NEAREST2 ] = 0;
        sf->thresh_mult[THR_NEAREST3 ] = 0;
        sf->thresh_mult[THR_NEAR1    ] = 0;
        sf->thresh_mult[THR_NEAR2    ] = 0;
        sf->thresh_mult[THR_NEAR3    ] = 0;
708 709 710 711 712 713 714 715

//        sf->thresh_mult[THR_DC       ] = 0;

//        sf->thresh_mult[THR_V_PRED   ] = 1000;
//        sf->thresh_mult[THR_H_PRED   ] = 1000;
//        sf->thresh_mult[THR_B_PRED   ] = 2000;
//        sf->thresh_mult[THR_TM       ] = 1000;

716 717 718
        sf->thresh_mult[THR_NEW1     ] = 1000;
        sf->thresh_mult[THR_NEW2     ] = 1000;
        sf->thresh_mult[THR_NEW3     ] = 1000;
719

720 721 722
        sf->thresh_mult[THR_SPLIT1   ] = 1700;
        sf->thresh_mult[THR_SPLIT2   ] = 4500;
        sf->thresh_mult[THR_SPLIT3   ] = 4500;
723
#else
724 725 726
        sf->thresh_mult[THR_NEW1     ] = 1500;
        sf->thresh_mult[THR_NEW2     ] = 1500;
        sf->thresh_mult[THR_NEW3     ] = 1500;
John Koleszar's avatar
John Koleszar committed
727

728 729 730
        sf->thresh_mult[THR_SPLIT1   ] = 5000;
        sf->thresh_mult[THR_SPLIT2   ] = 10000;
        sf->thresh_mult[THR_SPLIT3   ] = 10000;
731
#endif
John Koleszar's avatar
John Koleszar committed
732

733
        if (Speed > 0)
John Koleszar's avatar
John Koleszar committed
734
        {
735 736 737 738
            /* Disable coefficient optimization above speed 0 */
            sf->optimize_coefficients = 0;
            sf->use_fastquant_for_pick = 1;
            sf->no_skip_block4x4_search = 0;
739

740
            sf->first_step = 1;
741

742 743 744
            cpi->mode_check_freq[THR_SPLIT2] = 2;
            cpi->mode_check_freq[THR_SPLIT3] = 2;
            cpi->mode_check_freq[THR_SPLIT1 ] = 0;
John Koleszar's avatar
John Koleszar committed
745 746
        }

747
        if (Speed > 1)
John Koleszar's avatar
John Koleszar committed
748
        {
749 750 751
            cpi->mode_check_freq[THR_SPLIT2] = 4;
            cpi->mode_check_freq[THR_SPLIT3] = 4;
            cpi->mode_check_freq[THR_SPLIT1 ] = 2;
John Koleszar's avatar
John Koleszar committed
752 753 754 755 756 757

            sf->thresh_mult[THR_TM       ] = 1500;
            sf->thresh_mult[THR_V_PRED   ] = 1500;
            sf->thresh_mult[THR_H_PRED   ] = 1500;
            sf->thresh_mult[THR_B_PRED   ] = 5000;

758
            if (ref_frames > 1)
John Koleszar's avatar
John Koleszar committed
759
            {
760 761
                sf->thresh_mult[THR_NEW1     ] = 2000;
                sf->thresh_mult[THR_SPLIT1   ] = 10000;
John Koleszar's avatar
John Koleszar committed
762 763
            }

764
            if (ref_frames > 2)
John Koleszar's avatar
John Koleszar committed
765
            {
766 767 768 769 770
                sf->thresh_mult[THR_NEAREST2 ] = 1500;
                sf->thresh_mult[THR_ZERO2    ] = 1500;
                sf->thresh_mult[THR_NEAR2    ] = 1500;
                sf->thresh_mult[THR_NEW2     ] = 2000;
                sf->thresh_mult[THR_SPLIT2   ] = 20000;
John Koleszar's avatar
John Koleszar committed
771 772
            }

773
            if (ref_frames > 3)
John Koleszar's avatar
John Koleszar committed
774
            {
775 776 777 778 779
                sf->thresh_mult[THR_NEAREST3 ] = 1500;
                sf->thresh_mult[THR_ZERO3    ] = 1500;
                sf->thresh_mult[THR_NEAR3    ] = 1500;
                sf->thresh_mult[THR_NEW3     ] = 2000;
                sf->thresh_mult[THR_SPLIT3   ] = 20000;
John Koleszar's avatar
John Koleszar committed
780 781 782
            }
        }

783
        if (Speed > 2)
John Koleszar's avatar
John Koleszar committed
784
        {
785 786 787
            cpi->mode_check_freq[THR_SPLIT2] = 15;
            cpi->mode_check_freq[THR_SPLIT3] = 15;
            cpi->mode_check_freq[THR_SPLIT1 ] = 7;
John Koleszar's avatar
John Koleszar committed
788 789 790 791 792 793

            sf->thresh_mult[THR_TM       ] = 2000;
            sf->thresh_mult[THR_V_PRED   ] = 2000;
            sf->thresh_mult[THR_H_PRED   ] = 2000;
            sf->thresh_mult[THR_B_PRED   ] = 7500;

794
            if (ref_frames > 1)
John Koleszar's avatar
John Koleszar committed
795
            {
796 797
                sf->thresh_mult[THR_NEW1     ] = 2000;
                sf->thresh_mult[THR_SPLIT1   ] = 25000;
John Koleszar's avatar
John Koleszar committed
798 799
            }

800
            if (ref_frames > 2)
John Koleszar's avatar
John Koleszar committed
801
            {
802 803 804 805 806
                sf->thresh_mult[THR_NEAREST2 ] = 2000;
                sf->thresh_mult[THR_ZERO2    ] = 2000;
                sf->thresh_mult[THR_NEAR2    ] = 2000;
                sf->thresh_mult[THR_NEW2     ] = 2500;
                sf->thresh_mult[THR_SPLIT2   ] = 50000;
John Koleszar's avatar
John Koleszar committed
807 808
            }

809
            if (ref_frames > 3)
John Koleszar's avatar
John Koleszar committed
810
            {
811 812 813 814 815
                sf->thresh_mult[THR_NEAREST3 ] = 2000;
                sf->thresh_mult[THR_ZERO3    ] = 2000;
                sf->thresh_mult[THR_NEAR3    ] = 2000;
                sf->thresh_mult[THR_NEW3     ] = 2500;
                sf->thresh_mult[THR_SPLIT3   ] = 50000;
John Koleszar's avatar
John Koleszar committed
816 817
            }

818 819 820
            sf->improved_quant = 0;
            sf->improved_dct = 0;

821 822
            // Only do recode loop on key frames, golden frames and
            // alt ref frames
John Koleszar's avatar
John Koleszar committed
823 824 825 826
            sf->recode_loop = 2;

        }

827
        if (Speed > 3)
John Koleszar's avatar
John Koleszar committed
828
        {
829 830 831
            sf->thresh_mult[THR_SPLIT3  ] = INT_MAX;
            sf->thresh_mult[THR_SPLIT2  ] = INT_MAX;
            sf->thresh_mult[THR_SPLIT1   ] = INT_MAX;
John Koleszar's avatar
John Koleszar committed
832 833 834 835

            cpi->mode_check_freq[THR_V_PRED] = 0;
            cpi->mode_check_freq[THR_H_PRED] = 0;
            cpi->mode_check_freq[THR_B_PRED] = 0;
836 837 838 839
            cpi->mode_check_freq[THR_NEAR2] = 0;
            cpi->mode_check_freq[THR_NEW2] = 0;
            cpi->mode_check_freq[THR_NEAR3] = 0;
            cpi->mode_check_freq[THR_NEW3] = 0;
John Koleszar's avatar
John Koleszar committed
840 841 842 843

            sf->auto_filter = 1;
            sf->recode_loop = 0; // recode loop off
            sf->RD = 0;         // Turn rd off
844

John Koleszar's avatar
John Koleszar committed
845 846 847 848 849 850 851 852 853 854
        }

        if (Speed > 4)
        {
            sf->auto_filter = 0;                     // Faster selection of loop filter

            cpi->mode_check_freq[THR_V_PRED] = 2;
            cpi->mode_check_freq[THR_H_PRED] = 2;
            cpi->mode_check_freq[THR_B_PRED] = 2;

855
            if (ref_frames > 2)
John Koleszar's avatar
John Koleszar committed
856
            {
857 858
                cpi->mode_check_freq[THR_NEAR2] = 2;
                cpi->mode_check_freq[THR_NEW2] = 4;
John Koleszar's avatar
John Koleszar committed
859 860
            }

861
            if (ref_frames > 3)
John Koleszar's avatar
John Koleszar committed
862
            {
863 864
                cpi->mode_check_freq[THR_NEAR3] = 2;
                cpi->mode_check_freq[THR_NEW3] = 4;
John Koleszar's avatar
John Koleszar committed
865 866
            }

867
            if (ref_frames > 2)
John Koleszar's avatar
John Koleszar committed
868
            {
869 870 871 872
                sf->thresh_mult[THR_NEAREST2 ] = 2000;
                sf->thresh_mult[THR_ZERO2    ] = 2000;
                sf->thresh_mult[THR_NEAR2    ] = 2000;
                sf->thresh_mult[THR_NEW2     ] = 4000;
John Koleszar's avatar
John Koleszar committed
873 874
            }

875
            if (ref_frames > 3)
John Koleszar's avatar
John Koleszar committed
876
            {
877 878 879 880
                sf->thresh_mult[THR_NEAREST3 ] = 2000;
                sf->thresh_mult[THR_ZERO3    ] = 2000;
                sf->thresh_mult[THR_NEAR3    ] = 2000;
                sf->thresh_mult[THR_NEW3     ] = 4000;
John Koleszar's avatar
John Koleszar committed
881 882 883 884 885 886 887 888 889 890
            }
        }

        break;
#endif
    case 2:
        sf->optimize_coefficients = 0;
        sf->recode_loop = 0;
        sf->auto_filter = 1;
        sf->iterative_sub_pixel = 1;
891 892
        sf->thresh_mult[THR_NEAREST1 ] = 0;
        sf->thresh_mult[THR_ZERO1    ] = 0;
John Koleszar's avatar
John Koleszar committed
893 894
        sf->thresh_mult[THR_DC       ] = 0;
        sf->thresh_mult[THR_TM       ] = 0;
895
        sf->thresh_mult[THR_NEAR1    ] = 0;
John Koleszar's avatar
John Koleszar committed
896 897 898
        sf->thresh_mult[THR_V_PRED   ] = 1000;
        sf->thresh_mult[THR_H_PRED   ] = 1000;
        sf->thresh_mult[THR_B_PRED   ] = 2500;
899 900 901 902 903 904 905 906 907 908 909 910
        sf->thresh_mult[THR_NEAREST2 ] = 1000;
        sf->thresh_mult[THR_ZERO2    ] = 1000;
        sf->thresh_mult[THR_NEAR2    ] = 1000;
        sf->thresh_mult[THR_NEAREST3 ] = 1000;
        sf->thresh_mult[THR_ZERO3    ] = 1000;
        sf->thresh_mult[THR_NEAR3    ] = 1000;
        sf->thresh_mult[THR_NEW1     ] = 2000;
        sf->thresh_mult[THR_NEW2     ] = 2000;
        sf->thresh_mult[THR_NEW3     ] = 2000;
        sf->thresh_mult[THR_SPLIT1   ] = 5000;
        sf->thresh_mult[THR_SPLIT2   ] = 10000;
        sf->thresh_mult[THR_SPLIT3   ] = 10000;
John Koleszar's avatar
John Koleszar committed
911 912 913 914
        sf->search_method = NSTEP;

        if (Speed > 0)
        {
915 916 917
            cpi->mode_check_freq[THR_SPLIT2] = 4;
            cpi->mode_check_freq[THR_SPLIT3] = 4;
            cpi->mode_check_freq[THR_SPLIT1 ] = 2;
John Koleszar's avatar
John Koleszar committed
918 919 920 921 922 923 924

            sf->thresh_mult[THR_DC       ] = 0;
            sf->thresh_mult[THR_TM       ] = 1000;
            sf->thresh_mult[THR_V_PRED   ] = 2000;
            sf->thresh_mult[THR_H_PRED   ] = 2000;
            sf->thresh_mult[THR_B_PRED   ] = 5000;

925
            if (ref_frames > 1)
John Koleszar's avatar
John Koleszar committed
926
            {
927 928 929 930 931
                sf->thresh_mult[THR_NEAREST1 ] = 0;
                sf->thresh_mult[THR_ZERO1    ] = 0;
                sf->thresh_mult[THR_NEAR1    ] = 0;
                sf->thresh_mult[THR_NEW1     ] = 2000;
                sf->thresh_mult[THR_SPLIT1   ] = 10000;
John Koleszar's avatar
John Koleszar committed
932 933
            }

934
            if (ref_frames > 2)
John Koleszar's avatar
John Koleszar committed
935
            {
936 937 938 939 940
                sf->thresh_mult[THR_NEAREST2 ] = 1000;
                sf->thresh_mult[THR_ZERO2    ] = 1000;
                sf->thresh_mult[THR_NEAR2    ] = 1000;
                sf->thresh_mult[THR_NEW2     ] = 2000;
                sf->thresh_mult[THR_SPLIT2   ] = 20000;
John Koleszar's avatar
John Koleszar committed
941 942
            }

943
            if (ref_frames > 3)
John Koleszar's avatar
John Koleszar committed
944
            {
945 946 947 948 949
                sf->thresh_mult[THR_NEAREST3 ] = 1000;
                sf->thresh_mult[THR_ZERO3    ] = 1000;
                sf->thresh_mult[THR_NEAR3    ] = 1000;
                sf->thresh_mult[THR_NEW3     ] = 2000;
                sf->thresh_mult[THR_SPLIT3   ] = 20000;
John Koleszar's avatar
John Koleszar committed
950 951 952 953
            }

            sf->improved_quant = 0;
            sf->improved_dct = 0;
954 955 956 957

            sf->use_fastquant_for_pick = 1;
            sf->no_skip_block4x4_search = 0;
            sf->first_step = 1;
John Koleszar's avatar
John Koleszar committed
958 959 960 961
        }

        if (Speed > 1)
        {
962 963 964
            cpi->mode_check_freq[THR_SPLIT1 ] = 7;
            cpi->mode_check_freq[THR_SPLIT2] = 15;
            cpi->mode_check_freq[THR_SPLIT3] = 15;
John Koleszar's avatar
John Koleszar committed
965 966 967 968 969 970

            sf->thresh_mult[THR_TM       ] = 2000;
            sf->thresh_mult[THR_V_PRED   ] = 2000;
            sf->thresh_mult[THR_H_PRED   ] = 2000;
            sf->thresh_mult[THR_B_PRED   ] = 5000;

971
            if (ref_frames > 1)
John Koleszar's avatar
John Koleszar committed
972
            {
973 974
                sf->thresh_mult[THR_NEW1     ] = 2000;
                sf->thresh_mult[THR_SPLIT1   ] = 25000;
John Koleszar's avatar
John Koleszar committed
975 976
            }

977
            if (ref_frames > 2)
John Koleszar's avatar
John Koleszar committed
978
            {
979 980 981 982 983
                sf->thresh_mult[THR_NEAREST2 ] = 2000;
                sf->thresh_mult[THR_ZERO2    ] = 2000;
                sf->thresh_mult[THR_NEAR2    ] = 2000;
                sf->thresh_mult[THR_NEW2     ] = 2500;
                sf->thresh_mult[THR_SPLIT2   ] = 50000;
John Koleszar's avatar
John Koleszar committed
984 985
            }

986
            if (ref_frames > 3)
John Koleszar's avatar
John Koleszar committed
987
            {
988 989 990 991 992
                sf->thresh_mult[THR_NEAREST3 ] = 2000;
                sf->thresh_mult[THR_ZERO3    ] = 2000;
                sf->thresh_mult[THR_NEAR3    ] = 2000;
                sf->thresh_mult[THR_NEW3     ] = 2500;
                sf->thresh_mult[THR_SPLIT3   ] = 50000;
John Koleszar's avatar
John Koleszar committed
993 994 995 996 997 998 999 1000 1001 1002 1003 1004
            }

        }

        if (Speed > 2)
        {
            sf->auto_filter = 0;                     // Faster selection of loop filter

            cpi->mode_check_freq[THR_V_PRED] = 2;
            cpi->mode_check_freq[THR_H_PRED] = 2;
            cpi->mode_check_freq[THR_B_PRED] = 2;

1005
            if (ref_frames > 2)
John Koleszar's avatar
John Koleszar committed
1006
            {
1007 1008
                cpi->mode_check_freq[THR_NEAR2] = 2;
                cpi->mode_check_freq[THR_NEW2] = 4;
John Koleszar's avatar
John Koleszar committed
1009 1010
            }

1011
            if (ref_frames > 3)
John Koleszar's avatar
John Koleszar committed
1012
            {
1013 1014
                cpi->mode_check_freq[THR_NEAR3] = 2;
                cpi->mode_check_freq[THR_NEW3] = 4;
John Koleszar's avatar
John Koleszar committed
1015 1016
            }

1017 1018 1019
            sf->thresh_mult[THR_SPLIT1   ] = INT_MAX;
            sf->thresh_mult[THR_SPLIT2  ] = INT_MAX;
            sf->thresh_mult[THR_SPLIT3  ] = INT_MAX;
John Koleszar's avatar
John Koleszar committed
1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034

        }

        if (Speed > 3)
        {
            sf->RD = 0;

            sf->auto_filter = 1;
        }

        if (Speed > 4)
        {
            sf->auto_filter = 0;                     // Faster selection of loop filter

            sf->search_method = HEX;
1035 1036
            //sf->search_method = DIAMOND;

1037
            sf->iterative_sub_pixel = 0;
John Koleszar's avatar
John Koleszar committed
1038 1039 1040 1041 1042 1043 1044

            cpi->mode_check_freq[THR_V_PRED] = 4;
            cpi->mode_check_freq[THR_H_PRED] = 4;
            cpi->mode_check_freq[THR_B_PRED] = 4;

            if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
            {
1045 1046
                cpi->mode_check_freq[THR_NEAR2] = 2;
                cpi->mode_check_freq[THR_NEW2] = 4;
John Koleszar's avatar
John Koleszar committed
1047 1048 1049 1050
            }

            if (cpi->ref_frame_flags & VP8_ALT_FLAG)
            {
1051 1052
                cpi->mode_check_freq[THR_NEAR3] = 2;
                cpi->mode_check_freq[THR_NEW3] = 4;
John Koleszar's avatar
John Koleszar committed
1053 1054 1055 1056 1057 1058 1059
            }

            sf->thresh_mult[THR_TM       ] = 2000;
            sf->thresh_mult[THR_B_PRED   ] = 5000;

            if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
            {
1060 1061 1062 1063
                sf->thresh_mult[THR_NEAREST2 ] = 2000;
                sf->thresh_mult[THR_ZERO2    ] = 2000;
                sf->thresh_mult[THR_NEAR2    ] = 2000;
                sf->thresh_mult[THR_NEW2     ] = 4000;
John Koleszar's avatar
John Koleszar committed
1064 1065 1066 1067
            }

            if (cpi->ref_frame_flags & VP8_ALT_FLAG)
            {
1068 1069 1070 1071
                sf->thresh_mult[THR_NEAREST3 ] = 2000;
                sf->thresh_mult[THR_ZERO3    ] = 2000;
                sf->thresh_mult[THR_NEAR3    ] = 2000;
                sf->thresh_mult[THR_NEW3     ] = 4000;
John Koleszar's avatar
John Koleszar committed
1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082
            }
        }

        if (Speed > 5)
        {
            // Disable split MB intra prediction mode
            sf->thresh_mult[THR_B_PRED] = INT_MAX;
        }

        if (Speed > 6)
        {
1083
            unsigned int sum = 0;
John Koleszar's avatar
John Koleszar committed
1084
            unsigned int total_mbs = cm->MBs;
1085 1086
            int i, thresh;
            unsigned int total_skip;
John Koleszar's avatar
John Koleszar committed
1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117

            int min = 2000;

            if (cpi->oxcf.encode_breakout > 2000)
                min = cpi->oxcf.encode_breakout;

            min >>= 7;

            for (i = 0; i < min; i++)
            {
                sum += cpi->error_bins[i];
            }

            total_skip = sum;
            sum = 0;

            // i starts from 2 to make sure thresh started from 2048
            for (; i < 1024; i++)
            {
                sum += cpi->error_bins[i];

                if (10 * sum >= (unsigned int)(cpi->Speed - 6)*(total_mbs - total_skip))
                    break;
            }

            i--;
            thresh = (i << 7);

            if (thresh < 2000)
                thresh = 2000;

1118
            if (ref_frames > 1)
John Koleszar's avatar
John Koleszar committed
1119
            {
1120 1121 1122
                sf->thresh_mult[THR_NEW1 ] = thresh;
                sf->thresh_mult[THR_NEAREST1  ] = thresh >> 1;
                sf->thresh_mult[THR_NEAR1     ] = thresh >> 1;
John Koleszar's avatar
John Koleszar committed
1123 1124
            }

1125
            if (ref_frames > 2)
John Koleszar's avatar
John Koleszar committed
1126
            {
1127 1128 1129
                sf->thresh_mult[THR_NEW2] = thresh << 1;
                sf->thresh_mult[THR_NEAREST2 ] = thresh;
                sf->thresh_mult[THR_NEAR2    ] = thresh;
John Koleszar's avatar
John Koleszar committed
1130 1131
            }

1132
            if (ref_frames > 3)
John Koleszar's avatar
John Koleszar committed
1133
            {
1134 1135 1136
                sf->thresh_mult[THR_NEW3] = thresh << 1;
                sf->thresh_mult[THR_NEAREST3 ] = thresh;
                sf->thresh_mult[THR_NEAR3    ] = thresh;
John Koleszar's avatar
John Koleszar committed
1137 1138 1139 1140 1141 1142 1143
            }

            // Disable other intra prediction modes
            sf->thresh_mult[THR_TM] = INT_MAX;
            sf->thresh_mult[THR_V_PRED] = INT_MAX;
            sf->thresh_mult[THR_H_PRED] = INT_MAX;

1144
            sf->improved_mv_pred = 0;
John Koleszar's avatar
John Koleszar committed
1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160
        }

        if (Speed > 8)
        {
            sf->quarter_pixel_search = 0;
        }

        if (Speed > 9)
        {
            int Tmp = cpi->Speed - 8;

            if (Tmp > 4)
                Tmp = 4;

            if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
            {
1161 1162 1163 1164
                cpi->mode_check_freq[THR_ZERO2] = 1 << (Tmp - 1);
                cpi->mode_check_freq[THR_NEAREST2] = 1 << (Tmp - 1);
                cpi->mode_check_freq[THR_NEAR2] = 1 << Tmp;
                cpi->mode_check_freq[THR_NEW2] = 1 << (Tmp + 1);
John Koleszar's avatar
John Koleszar committed
1165 1166 1167 1168
            }

            if (cpi->ref_frame_flags & VP8_ALT_FLAG)
            {
1169 1170 1171 1172
                cpi->mode_check_freq[THR_ZERO3] = 1 << (Tmp - 1);
                cpi->mode_check_freq[THR_NEAREST3] = 1 << (Tmp - 1);
                cpi->mode_check_freq[THR_NEAR3] = 1 << Tmp;
                cpi->mode_check_freq[THR_NEW3] = 1 << (Tmp + 1);
John Koleszar's avatar
John Koleszar committed