onyx_if.c 172 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 "vpx_scale/yv12extend.h"
27
#if CONFIG_POSTPROC
John Koleszar's avatar
John Koleszar committed
28
#include "vp8/common/postproc.h"
29
#endif
John Koleszar's avatar
John Koleszar committed
30
#include "vpx_mem/vpx_mem.h"
John Koleszar's avatar
John Koleszar committed
31
32
#include "vp8/common/swapyv12buffer.h"
#include "vp8/common/threading.h"
John Koleszar's avatar
John Koleszar committed
33
#include "vpx_ports/vpx_timer.h"
34
35
36
#if ARCH_ARM
#include "vpx_ports/arm.h"
#endif
Yunqing Wang's avatar
Yunqing Wang committed
37
38
39
#if CONFIG_MULTI_RES_ENCODING
#include "mr_dissim.h"
#endif
40

John Koleszar's avatar
John Koleszar committed
41
42
43
44
#include <math.h>
#include <stdio.h>
#include <limits.h>

45
46
47
48
49
#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
extern int vp8_update_coef_context(VP8_COMP *cpi);
extern void vp8_update_coef_probs(VP8_COMP *cpi);
#endif

John Koleszar's avatar
John Koleszar committed
50
51
52
53
54
55
56
57
58
59
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_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);
60
#if HAVE_NEON
John Koleszar's avatar
John Koleszar committed
61
62
63
64
65
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);
66

John Koleszar's avatar
John Koleszar committed
67
int vp8_calc_ss_err(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest);
John Koleszar's avatar
John Koleszar committed
68

John Koleszar's avatar
John Koleszar committed
69
extern void vp8_temporal_filter_prepare_c(VP8_COMP *cpi, int distance);
John Koleszar's avatar
John Koleszar committed
70

71
static void set_default_lf_deltas(VP8_COMP *cpi);
John Koleszar's avatar
John Koleszar committed
72
73
74

extern const int vp8_gf_interval_table[101];

75
#if CONFIG_INTERNAL_STATS
John Koleszar's avatar
John Koleszar committed
76
77
78
79
80
81
82
#include "math.h"

extern double vp8_calc_ssim
(
    YV12_BUFFER_CONFIG *source,
    YV12_BUFFER_CONFIG *dest,
    int lumamask,
John Koleszar's avatar
John Koleszar committed
83
    double *weight
John Koleszar's avatar
John Koleszar committed
84
85
);

86

John Koleszar's avatar
John Koleszar committed
87
88
89
90
91
92
extern double vp8_calc_ssimg
(
    YV12_BUFFER_CONFIG *source,
    YV12_BUFFER_CONFIG *dest,
    double *ssim_y,
    double *ssim_u,
John Koleszar's avatar
John Koleszar committed
93
    double *ssim_v
John Koleszar's avatar
John Koleszar committed
94
95
96
97
98
99
100
101
102
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
);


#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 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];

146
147
148
// 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
149
150
151
152
153
154
155
156
    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
157
158
159
};
static const int kf_high_motion_minq[QINDEX_RANGE] =
{
Paul Wilkins's avatar
CQ Mode    
Paul Wilkins committed
160
161
162
163
164
165
166
167
    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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
};
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
189
    49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64
190
191
192
193
194
195
196
197
198
199
};
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
200
    55,56,57,58,59,60,62,64,66,68,70,72,74,76,78,80
201
202
203
};
static const int inter_minq[QINDEX_RANGE] =
{
Paul Wilkins's avatar
Paul Wilkins committed
204
205
206
207
208
209
210
211
    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
212
};
John Koleszar's avatar
John Koleszar committed
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230

void vp8_initialize()
{
    static int init_done = 0;

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

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

231
232
233
234
235
236
237
238
239
240
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;
241
242
243
    lc->starting_buffer_level_in_ms      = cpi->oxcf.starting_buffer_level_in_ms;
    lc->optimal_buffer_level_in_ms       = cpi->oxcf.optimal_buffer_level_in_ms;
    lc->maximum_buffer_size_in_ms        = cpi->oxcf.maximum_buffer_size_in_ms;
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
    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;
281
282
283
    cpi->oxcf.starting_buffer_level_in_ms = lc->starting_buffer_level_in_ms;
    cpi->oxcf.optimal_buffer_level_in_ms  = lc->optimal_buffer_level_in_ms;
    cpi->oxcf.maximum_buffer_size_in_ms   = lc->maximum_buffer_size_in_ms;
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
    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
310
311
312
313
314
315
316
317
318
319
320
321
322
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));
323
324
    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
325

326
    set_default_lf_deltas(cpi);
John Koleszar's avatar
John Koleszar committed
327
328
329
330

}


331
332
333
static void dealloc_raw_frame_buffers(VP8_COMP *cpi);


334
static void dealloc_compressor_data(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
335
{
336
    vpx_free(cpi->tplist);
337
338
    cpi->tplist = NULL;

339
    // Delete last frame MV storage buffers
340
    vpx_free(cpi->lfmv);
341
342
    cpi->lfmv = 0;

343
    vpx_free(cpi->lf_ref_frame_sign_bias);
344
345
    cpi->lf_ref_frame_sign_bias = 0;

346
    vpx_free(cpi->lf_ref_frame);
347
    cpi->lf_ref_frame = 0;
John Koleszar's avatar
John Koleszar committed
348
349

    // Delete sementation map
350
    vpx_free(cpi->segmentation_map);
John Koleszar's avatar
John Koleszar committed
351
352
    cpi->segmentation_map = 0;

353
    vpx_free(cpi->active_map);
John Koleszar's avatar
John Koleszar committed
354
355
356
357
    cpi->active_map = 0;

    vp8_de_alloc_frame_buffers(&cpi->common);

358
    vp8_yv12_de_alloc_frame_buffer(&cpi->pick_lf_lvl_frame);
John Koleszar's avatar
John Koleszar committed
359
    vp8_yv12_de_alloc_frame_buffer(&cpi->scaled_source);
360
    dealloc_raw_frame_buffers(cpi);
John Koleszar's avatar
John Koleszar committed
361
362
363
364

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

365
    // Structure used to monitor GF usage
366
    vpx_free(cpi->gf_active_flags);
367
368
    cpi->gf_active_flags = 0;

369
370
371
372
373
374
    // 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;

375
    vpx_free(cpi->mb.pip);
376
    cpi->mb.pip = 0;
John Koleszar's avatar
John Koleszar committed
377
378
}

John Koleszar's avatar
John Koleszar committed
379
static void enable_segmentation(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
380
381
382
383
384
385
{
    // 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
386
static void disable_segmentation(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
387
388
389
390
391
392
393
{
    // 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
394
static void set_segmentation_map(VP8_COMP *cpi, unsigned char *segmentation_map)
John Koleszar's avatar
John Koleszar committed
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
{
    // 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
412
static void set_segment_data(VP8_COMP *cpi, signed char *feature_data, unsigned char abs_delta)
John Koleszar's avatar
John Koleszar committed
413
414
415
416
417
418
{
    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
419
static void segmentation_test_function(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
{
    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
448
    set_segmentation_map(cpi, seg_map);
John Koleszar's avatar
John Koleszar committed
449
450

    // Activate segmentation.
John Koleszar's avatar
John Koleszar committed
451
    enable_segmentation(cpi);
John Koleszar's avatar
John Koleszar committed
452
453
454
455
456
457
458
459
460
461
462
463
464
465

    // 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
466
    set_segment_data(cpi, &feature_data[0][0], SEGMENT_DELTADATA);
John Koleszar's avatar
John Koleszar committed
467
468
469
470
471
472
473
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

    // 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
540
    set_segmentation_map(cpi, seg_map);
John Koleszar's avatar
John Koleszar committed
541
542

    // Activate segmentation.
John Koleszar's avatar
John Koleszar committed
543
    enable_segmentation(cpi);
John Koleszar's avatar
John Koleszar committed
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558

    // 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
559
    set_segment_data(cpi, &feature_data[0][0], SEGMENT_DELTADATA);
John Koleszar's avatar
John Koleszar committed
560
561

    // Delete sementation map
562
    vpx_free(seg_map);
John Koleszar's avatar
John Koleszar committed
563
564
565
566
567

    seg_map = 0;

}

568
static void set_default_lf_deltas(VP8_COMP *cpi)
John Koleszar's avatar
John Koleszar committed
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
{
    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
}

588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
/* Convenience macros for mapping speed and mode into a continuous
 * range
 */
#define GOOD(x) (x+1)
#define RT(x) (x+7)

static int speed_map(int speed, int *map)
{
    int res;

    do
    {
        res = *map++;
    } while(speed >= *map++);
    return res;
}

static int thresh_mult_map_znn[] = {
    /* map common to zero, nearest, and near */
    0, GOOD(2), 1500, GOOD(3), 2000, RT(0), 1000, RT(2), 2000, INT_MAX
};

static int thresh_mult_map_vhpred[] = {
    1000, GOOD(2), 1500, GOOD(3), 2000, RT(0), 1000, RT(1), 2000,
    RT(7), INT_MAX, INT_MAX
};

static int thresh_mult_map_bpred[] = {
    2000, GOOD(0), 2500, GOOD(2), 5000, GOOD(3), 7500, RT(0), 2500, RT(1), 5000,
    RT(6), INT_MAX, INT_MAX
};

static int thresh_mult_map_tm[] = {
    1000, GOOD(2), 1500, GOOD(3), 2000, RT(0), 0, RT(1), 1000, RT(2), 2000,
    RT(7), INT_MAX, INT_MAX
};

static int thresh_mult_map_new1[] = {
    1000, GOOD(2), 2000, RT(0), 2000, INT_MAX
};

static int thresh_mult_map_new2[] = {
    1000, GOOD(2), 2000, GOOD(3), 2500, GOOD(5), 4000, RT(0), 2000, RT(2), 2500,
    RT(5), 4000, INT_MAX
};

static int thresh_mult_map_split1[] = {
    2500, GOOD(0), 1700, GOOD(2), 10000, GOOD(3), 25000, GOOD(4), INT_MAX,
    RT(0), 5000, RT(1), 10000, RT(2), 25000, RT(3), INT_MAX, INT_MAX
};

static int thresh_mult_map_split2[] = {
    5000, GOOD(0), 4500, GOOD(2), 20000, GOOD(3), 50000, GOOD(4), INT_MAX,
    RT(0), 10000, RT(1), 20000, RT(2), 50000, RT(3), INT_MAX, INT_MAX
};

644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
static int mode_check_freq_map_zn2[] = {
    /* {zero,nearest}{2,3} */
    0, RT(10), 1<<1, RT(11), 1<<2, RT(12), 1<<3, INT_MAX
};

static int mode_check_freq_map_vhbpred[] = {
    0, GOOD(5), 2, RT(0), 0, RT(3), 2, RT(5), 4, INT_MAX
};

static int mode_check_freq_map_near2[] = {
    0, GOOD(5), 2, RT(0), 0, RT(3), 2, RT(10), 1<<2, RT(11), 1<<3, RT(12), 1<<4,
    INT_MAX
};

static int mode_check_freq_map_new1[] = {
    0, RT(10), 1<<1, RT(11), 1<<2, RT(12), 1<<3, INT_MAX
};

static int mode_check_freq_map_new2[] = {
    0, GOOD(5), 4, RT(0), 0, RT(3), 4, RT(10), 1<<3, RT(11), 1<<4, RT(12), 1<<5,
    INT_MAX
};

static int mode_check_freq_map_split1[] = {
    0, GOOD(2), 2, GOOD(3), 7, RT(1), 2, RT(2), 7, INT_MAX
};

static int mode_check_freq_map_split2[] = {
    0, GOOD(1), 2, GOOD(2), 4, GOOD(3), 15, RT(1), 4, RT(2), 15, INT_MAX
};

John Koleszar's avatar
John Koleszar committed
675
676
677
678
679
680
681
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;
682
    int last_improved_quant = sf->improved_quant;
683
    int ref_frames;
John Koleszar's avatar
John Koleszar committed
684
685
686
687
688
689
690
691
692
693
694

    // 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;

695
    // best quality defaults
John Koleszar's avatar
John Koleszar committed
696
697
698
699
700
701
702
703
704
705
    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;
706
    sf->use_fastquant_for_pick = 0;
707
    sf->no_skip_block4x4_search = 1;
John Koleszar's avatar
John Koleszar committed
708
709
710

    sf->first_step = 0;
    sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
711
    sf->improved_mv_pred = 1;
John Koleszar's avatar
John Koleszar committed
712
713
714
715
716

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

717
718
719
720
721
722
723
724
725
    /* 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++;

726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
    /* Convert speed to continuous range, with clamping */
    if (Mode == 0)
        Speed = 0;
    else if (Mode == 2)
        Speed = RT(Speed);
    else
    {
        if (Speed > 5)
            Speed = 5;
        Speed = GOOD(Speed);
    }

    sf->thresh_mult[THR_ZERO1] =
    sf->thresh_mult[THR_NEAREST1] =
    sf->thresh_mult[THR_NEAR1] =
    sf->thresh_mult[THR_DC] = 0; /* always */

    sf->thresh_mult[THR_ZERO2] =
    sf->thresh_mult[THR_ZERO3] =
    sf->thresh_mult[THR_NEAREST2] =
    sf->thresh_mult[THR_NEAREST3] =
    sf->thresh_mult[THR_NEAR2]  =
    sf->thresh_mult[THR_NEAR3]  = speed_map(Speed, thresh_mult_map_znn);

    sf->thresh_mult[THR_V_PRED] =
    sf->thresh_mult[THR_H_PRED] = speed_map(Speed, thresh_mult_map_vhpred);
    sf->thresh_mult[THR_B_PRED] = speed_map(Speed, thresh_mult_map_bpred);
    sf->thresh_mult[THR_TM]     = speed_map(Speed, thresh_mult_map_tm);
    sf->thresh_mult[THR_NEW1]   = speed_map(Speed, thresh_mult_map_new1);
    sf->thresh_mult[THR_NEW2]   =
    sf->thresh_mult[THR_NEW3]   = speed_map(Speed, thresh_mult_map_new2);
    sf->thresh_mult[THR_SPLIT1] = speed_map(Speed, thresh_mult_map_split1);
    sf->thresh_mult[THR_SPLIT2] =
    sf->thresh_mult[THR_SPLIT3] = speed_map(Speed, thresh_mult_map_split2);

761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
    cpi->mode_check_freq[THR_ZERO1] =
    cpi->mode_check_freq[THR_NEAREST1] =
    cpi->mode_check_freq[THR_NEAR1] =
    cpi->mode_check_freq[THR_TM]     =
    cpi->mode_check_freq[THR_DC] = 0; /* always */

    cpi->mode_check_freq[THR_ZERO2] =
    cpi->mode_check_freq[THR_ZERO3] =
    cpi->mode_check_freq[THR_NEAREST2] =
    cpi->mode_check_freq[THR_NEAREST3] = speed_map(Speed,
                                                   mode_check_freq_map_zn2);

    cpi->mode_check_freq[THR_NEAR2]  =
    cpi->mode_check_freq[THR_NEAR3]  = speed_map(Speed,
                                                 mode_check_freq_map_near2);

    cpi->mode_check_freq[THR_V_PRED] =
    cpi->mode_check_freq[THR_H_PRED] =
    cpi->mode_check_freq[THR_B_PRED] = speed_map(Speed,
                                                 mode_check_freq_map_vhbpred);
    cpi->mode_check_freq[THR_NEW1]   = speed_map(Speed,
                                                 mode_check_freq_map_new1);
    cpi->mode_check_freq[THR_NEW2]   =
    cpi->mode_check_freq[THR_NEW3]   = speed_map(Speed,
                                                 mode_check_freq_map_new2);
    cpi->mode_check_freq[THR_SPLIT1] = speed_map(Speed,
                                                 mode_check_freq_map_split1);
    cpi->mode_check_freq[THR_SPLIT2] =
    cpi->mode_check_freq[THR_SPLIT3] = speed_map(Speed,
                                                 mode_check_freq_map_split2);
791
    Speed = cpi->Speed;
John Koleszar's avatar
John Koleszar committed
792
793
794
795
796
797
798
799
800
    switch (Mode)
    {
#if !(CONFIG_REALTIME_ONLY)
    case 0: // best quality mode
        sf->first_step = 0;
        sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
        break;
    case 1:
    case 3:
801
        if (Speed > 0)
John Koleszar's avatar
John Koleszar committed
802
        {
803
804
805
806
            /* Disable coefficient optimization above speed 0 */
            sf->optimize_coefficients = 0;
            sf->use_fastquant_for_pick = 1;
            sf->no_skip_block4x4_search = 0;
807

808
            sf->first_step = 1;
John Koleszar's avatar
John Koleszar committed
809
810
        }

811
        if (Speed > 2)
John Koleszar's avatar
John Koleszar committed
812
        {
813
814
815
            sf->improved_quant = 0;
            sf->improved_dct = 0;

816
817
            // Only do recode loop on key frames, golden frames and
            // alt ref frames
John Koleszar's avatar
John Koleszar committed
818
819
820
821
            sf->recode_loop = 2;

        }

822
        if (Speed > 3)
John Koleszar's avatar
John Koleszar committed
823
824
825
826
        {
            sf->auto_filter = 1;
            sf->recode_loop = 0; // recode loop off
            sf->RD = 0;         // Turn rd off
827

John Koleszar's avatar
John Koleszar committed
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
        }

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

        break;
#endif
    case 2:
        sf->optimize_coefficients = 0;
        sf->recode_loop = 0;
        sf->auto_filter = 1;
        sf->iterative_sub_pixel = 1;
        sf->search_method = NSTEP;

        if (Speed > 0)
        {
            sf->improved_quant = 0;
            sf->improved_dct = 0;
848
849
850
851

            sf->use_fastquant_for_pick = 1;
            sf->no_skip_block4x4_search = 0;
            sf->first_step = 1;
John Koleszar's avatar
John Koleszar committed
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
        }

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

        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;
867
            sf->iterative_sub_pixel = 0;
John Koleszar's avatar
John Koleszar committed
868
869
870
871
        }

        if (Speed > 6)
        {
872
            unsigned int sum = 0;
John Koleszar's avatar
John Koleszar committed
873
            unsigned int total_mbs = cm->MBs;
874
875
            int i, thresh;
            unsigned int total_skip;
John Koleszar's avatar
John Koleszar committed
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906

            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;

907
            if (ref_frames > 1)
John Koleszar's avatar
John Koleszar committed
908
            {
909
910
911
                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
912
913
            }

914
            if (ref_frames > 2)
John Koleszar's avatar
John Koleszar committed
915
            {
916
917
918
                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
919
920
            }

921
            if (ref_frames > 3)
John Koleszar's avatar
John Koleszar committed
922
            {
923
924
925
                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
926
927
            }

928
            sf->improved_mv_pred = 0;
John Koleszar's avatar
John Koleszar committed
929
930
931
932
933
        }

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

934
935
936
        if(cm->version == 0)
        {
            cm->filter_type = NORMAL_LOOPFILTER;
John Koleszar's avatar
John Koleszar committed
937

938
939
940
941
942
            if (Speed >= 14)
                cm->filter_type = SIMPLE_LOOPFILTER;
        }
        else
        {
John Koleszar's avatar
John Koleszar committed
943
            cm->filter_type = SIMPLE_LOOPFILTER;
944
        }
John Koleszar's avatar
John Koleszar committed
945

946
        // This has a big hit on quality. Last resort
John Koleszar's avatar
John Koleszar committed
947
        if (Speed >= 15)
948
            sf->half_pixel_search = 0;
John Koleszar's avatar
John Koleszar committed
949
950
951

        vpx_memset(cpi->error_bins, 0, sizeof(cpi->error_bins));

952
953
    }; /* switch */

954
955
956
957
958
959
960
961
962
    // Slow quant, dct and trellis not worthwhile for first pass
    // so make sure they are always turned off.
    if ( cpi->pass == 1 )
    {
        sf->improved_quant = 0;
        sf->optimize_coefficients = 0;
        sf->improved_dct = 0;
    }

John Koleszar's avatar
John Koleszar committed
963
964
    if (cpi->sf.search_method == NSTEP)
    {
965
        vp8_init3smotion_compensation(&cpi->mb, cm->yv12_fb[cm->lst_fb_idx].y_stride);
John Koleszar's avatar
John Koleszar committed
966
967
968
    }
    else if (cpi->sf.search_method == DIAMOND)
    {
969
        vp8_init_dsmotion_compensation(&cpi->mb, cm->yv12_fb[cm->lst_fb_idx].y_stride);
John Koleszar's avatar
John Koleszar committed
970
971
972
973
    }

    if (cpi->sf.improved_dct)
    {
John Koleszar's avatar
John Koleszar committed
974
975
        cpi->mb.short_fdct8x4 = vp8_short_fdct8x4;
        cpi->mb.short_fdct4x4 = vp8_short_fdct4x4;
John Koleszar's avatar
John Koleszar committed
976
977
978
    }
    else
    {
John Koleszar's avatar
John Koleszar committed
979
980
981
        /* No fast FDCT defined for any platform at this time. */
        cpi->mb.short_fdct8x4 = vp8_short_fdct8x4;
        cpi->mb.short_fdct4x4 = vp8_short_fdct4x4;
John Koleszar's avatar
John Koleszar committed
982
983
    }

John Koleszar's avatar
John Koleszar committed
984
    cpi->mb.short_walsh4x4 = vp8_short_walsh4x4;
John Koleszar's avatar
John Koleszar committed
985
986
987

    if (cpi->sf.improved_quant)
    {
John Koleszar's avatar
John Koleszar committed
988
989
        cpi->mb.quantize_b      = vp8_regular_quantize_b;
        cpi->mb.quantize_b_pair = vp8_regular_quantize_b_pair;
John Koleszar's avatar
John Koleszar committed
990
991
992
    }
    else
    {
John Koleszar's avatar
John Koleszar committed
993
994
        cpi->mb.quantize_b      = vp8_fast_quantize_b;
        cpi->mb.quantize_b_pair = vp8_fast_quantize_b_pair;
John Koleszar's avatar
John Koleszar committed
995
    }
996
997
    if (cpi->sf.improved_quant != last_improved_quant)
        vp8cx_init_quantizer(cpi);
John Koleszar's avatar
John Koleszar committed
998
999
1000

    if (cpi->sf.iterative_sub_pixel == 1)
    {