encodeintra.c 9.74 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_ports/config.h"
John Koleszar's avatar
John Koleszar committed
13
#include "vp8/common/idct.h"
John Koleszar's avatar
John Koleszar committed
14
#include "quantize.h"
John Koleszar's avatar
John Koleszar committed
15
16
#include "vp8/common/reconintra.h"
#include "vp8/common/reconintra4x4.h"
John Koleszar's avatar
John Koleszar committed
17
#include "encodemb.h"
John Koleszar's avatar
John Koleszar committed
18
19
#include "vp8/common/invtrans.h"
#include "vp8/common/recon.h"
John Koleszar's avatar
John Koleszar committed
20
#include "dct.h"
John Koleszar's avatar
John Koleszar committed
21
#include "vp8/common/g_common.h"
John Koleszar's avatar
John Koleszar committed
22
23
24
#include "encodeintra.h"


25
26
27
28
#ifdef ENC_DEBUG
extern int enc_debug;
#endif

John Koleszar's avatar
John Koleszar committed
29
30
31
32
33
#if CONFIG_RUNTIME_CPU_DETECT
#define IF_RTCD(x) (x)
#else
#define IF_RTCD(x) NULL
#endif
34

35
int vp8_encode_intra(VP8_COMP *cpi, MACROBLOCK *x, int use_16x16_pred)
Tero Rintaluoma's avatar
Tero Rintaluoma committed
36
37
38
39
40
41
{

    int i;
    int intra_pred_var = 0;
    (void) cpi;

42
    if (use_16x16_pred)
Tero Rintaluoma's avatar
Tero Rintaluoma committed
43
44
    {
        x->e_mbd.mode_info_context->mbmi.mode = DC_PRED;
45
46
47
#if CONFIG_COMP_INTRA_PRED
        x->e_mbd.mode_info_context->mbmi.second_mode = (MB_PREDICTION_MODE) (DC_PRED - 1);
#endif
Tero Rintaluoma's avatar
Tero Rintaluoma committed
48
49
50
51
52
53
54
55
56
        x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;
        x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;

        vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
    }
    else
    {
        for (i = 0; i < 16; i++)
        {
57
            x->e_mbd.block[i].bmi.as_mode.first = B_DC_PRED;
Tero Rintaluoma's avatar
Tero Rintaluoma committed
58
59
60
61
62
63
64
65
            vp8_encode_intra4x4block(IF_RTCD(&cpi->rtcd), x, i);
        }
    }

    intra_pred_var = VARIANCE_INVOKE(&cpi->rtcd.variance, getmbss)(x->src_diff);

    return intra_pred_var;
}
66
67
68

void vp8_encode_intra4x4block(const VP8_ENCODER_RTCD *rtcd,
                              MACROBLOCK *x, int ib)
John Koleszar's avatar
John Koleszar committed
69
{
70
71
72
    BLOCKD *b = &x->e_mbd.block[ib];
    BLOCK *be = &x->block[ib];

73
74
75
76
#if CONFIG_COMP_INTRA_PRED
    if (b->bmi.as_mode.second == (B_PREDICTION_MODE) (B_DC_PRED - 1))
    {
#endif
77
    RECON_INVOKE(&rtcd->common->recon, intra4x4_predict)
78
79
80
81
82
83
84
85
86
                (b, b->bmi.as_mode.first, b->predictor);
#if CONFIG_COMP_INTRA_PRED
    }
    else
    {
        RECON_INVOKE(&rtcd->common->recon, comp_intra4x4_predict)
            (b, b->bmi.as_mode.first, b->bmi.as_mode.second, b->predictor);
    }
#endif
John Koleszar's avatar
John Koleszar committed
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106

    ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 16);

    x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);

    x->quantize_b(be, b);

    vp8_inverse_transform_b(IF_RTCD(&rtcd->common->idct), b, 32);

    RECON_INVOKE(&rtcd->common->recon, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
}

void vp8_encode_intra4x4mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb)
{
    int i;

    MACROBLOCKD *x = &mb->e_mbd;
    vp8_intra_prediction_down_copy(x);

    for (i = 0; i < 16; i++)
107
        vp8_encode_intra4x4block(rtcd, mb, i);
John Koleszar's avatar
John Koleszar committed
108
109
110
111
112
    return;
}

void vp8_encode_intra16x16mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
{
113
    BLOCK *b = &x->block[0];
John Koleszar's avatar
John Koleszar committed
114

115
    int tx_type = x->e_mbd.mode_info_context->mbmi.txfm_size;
Paul Wilkins's avatar
Paul Wilkins committed
116

117
118
119
#if CONFIG_COMP_INTRA_PRED
    if (x->e_mbd.mode_info_context->mbmi.second_mode == (MB_PREDICTION_MODE) (DC_PRED - 1))
#endif
120
    RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mby)(&x->e_mbd);
121
122
123
124
#if CONFIG_COMP_INTRA_PRED
    else
        RECON_INVOKE(&rtcd->common->recon, build_comp_intra_predictors_mby)(&x->e_mbd);
#endif
John Koleszar's avatar
John Koleszar committed
125

126
    ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, *(b->base_src), x->e_mbd.predictor, b->src_stride);
Paul Wilkins's avatar
Paul Wilkins committed
127
128

    if( tx_type == TX_8X8 )
129
130
        vp8_transform_intra_mby_8x8(x);
    else
Yaowu Xu's avatar
Yaowu Xu committed
131
        vp8_transform_intra_mby(x);
John Koleszar's avatar
John Koleszar committed
132

Paul Wilkins's avatar
Paul Wilkins committed
133
    if(tx_type == TX_8X8)
134
135
136
      vp8_quantize_mby_8x8(x);
    else
      vp8_quantize_mby(x);
John Koleszar's avatar
John Koleszar committed
137

138
    if (x->optimize)
139
    {
Paul Wilkins's avatar
Paul Wilkins committed
140
      if( tx_type == TX_8X8 )
141
142
        vp8_optimize_mby_8x8(x, rtcd);
      else
John Koleszar's avatar
John Koleszar committed
143
        vp8_optimize_mby(x, rtcd);
144
    }
John Koleszar's avatar
John Koleszar committed
145

Paul Wilkins's avatar
Paul Wilkins committed
146
    if(tx_type == TX_8X8)
147
        vp8_inverse_transform_mby_8x8(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
148
    else
149
        vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180

#ifdef ENC_DEBUG
    if (enc_debug) {
      int i;
      printf("Intra qcoeff:\n");
      printf("%d %d:\n", x->e_mbd.mb_to_left_edge, x->e_mbd.mb_to_top_edge);
      for (i =0; i<400; i++) {
        printf("%3d ", x->e_mbd.qcoeff[i]);
        if (i%16 == 15) printf("\n");
      }
      printf("Intra dqcoeff:\n");
      for (i =0; i<400; i++) {
        printf("%3d ", x->e_mbd.dqcoeff[i]);
        if (i%16 == 15) printf("\n");
      }
      printf("Intra diff:\n");
      for (i =0; i<400; i++) {
        printf("%3d ", x->e_mbd.diff[i]);
        if (i%16 == 15) printf("\n");
      }
      printf("Intra predictor:\n");
      for (i =0; i<400; i++) {
        printf("%3d ", x->e_mbd.predictor[i]);
        if (i%16 == 15) printf("\n");
      }
      printf("eobs:\n");
      for (i=0;i<25;i++)
        printf("%d ", x->e_mbd.block[i].eob);
      printf("\n");
    }
#endif
John Koleszar's avatar
John Koleszar committed
181

182
183
    RECON_INVOKE(&rtcd->common->recon, recon_mby)
        (IF_RTCD(&rtcd->common->recon), &x->e_mbd);
John Koleszar's avatar
John Koleszar committed
184
185
186
187
188

}

void vp8_encode_intra16x16mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
{
189
    int tx_type = x->e_mbd.mode_info_context->mbmi.txfm_size;
190
191
192
#if CONFIG_COMP_INTRA_PRED
    if (x->e_mbd.mode_info_context->mbmi.second_uv_mode == (MB_PREDICTION_MODE) (DC_PRED - 1))
    {
Paul Wilkins's avatar
Paul Wilkins committed
193
#endif
194
    RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mbuv)(&x->e_mbd);
195
196
197
198
199
200
201
#if CONFIG_COMP_INTRA_PRED
    }
    else
    {
        RECON_INVOKE(&rtcd->common->recon, build_comp_intra_predictors_mbuv)(&x->e_mbd);
    }
#endif
John Koleszar's avatar
John Koleszar committed
202
203

    ENCODEMB_INVOKE(&rtcd->encodemb, submbuv)(x->src_diff, x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor, x->src.uv_stride);
Paul Wilkins's avatar
Paul Wilkins committed
204
    if(tx_type == TX_8X8)
205
206
207
        vp8_transform_mbuv_8x8(x);
    else
        vp8_transform_mbuv(x);
John Koleszar's avatar
John Koleszar committed
208

Paul Wilkins's avatar
Paul Wilkins committed
209
    if(tx_type == TX_8X8)
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
        vp8_quantize_mbuv_8x8(x);
    else
        vp8_quantize_mbuv(x);

#ifdef ENC_DEBUG
    if (enc_debug) {
      int i;
      printf("vp8_encode_intra16x16mbuv\n");
      printf("%d %d:\n", x->e_mbd.mb_to_left_edge, x->e_mbd.mb_to_top_edge);
      printf("qcoeff:\n");
      for (i =0; i<400; i++) {
        printf("%3d ", x->e_mbd.qcoeff[i]);
        if (i%16 == 15) printf("\n");
      }
      printf("dqcoeff:\n");
      for (i =0; i<400; i++) {
        printf("%3d ", x->e_mbd.dqcoeff[i]);
        if (i%16 == 15) printf("\n");
      }
      printf("diff:\n");
      for (i =0; i<400; i++) {
        printf("%3d ", x->e_mbd.diff[i]);
        if (i%16 == 15) printf("\n");
      }
      printf("predictor:\n");
      for (i =0; i<400; i++) {
        printf("%3d ", x->e_mbd.predictor[i]);
        if (i%16 == 15) printf("\n");
      }
      printf("eobs:\n");
      for (i=0;i<25;i++)
        printf("%d ", x->e_mbd.block[i].eob);
      printf("\n");
    }
#endif
Yaowu Xu's avatar
Yaowu Xu committed
245
    if (x->optimize)
246
    {
Paul Wilkins's avatar
Paul Wilkins committed
247
      if(tx_type == TX_8X8)
248
249
        vp8_optimize_mbuv_8x8(x, rtcd);
      else
John Koleszar's avatar
John Koleszar committed
250
        vp8_optimize_mbuv(x, rtcd);
251
    }
John Koleszar's avatar
John Koleszar committed
252

Paul Wilkins's avatar
Paul Wilkins committed
253
    if(tx_type == TX_8X8)
Yaowu Xu's avatar
Yaowu Xu committed
254
        vp8_inverse_transform_mbuv_8x8(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
255
    else
Yaowu Xu's avatar
Yaowu Xu committed
256
        vp8_inverse_transform_mbuv(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
John Koleszar's avatar
John Koleszar committed
257
258
259

    vp8_recon_intra_mbuv(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
}
Yaowu Xu's avatar
Yaowu Xu committed
260
261
262
263
264
265
266
267
268

void vp8_encode_intra8x8(const VP8_ENCODER_RTCD *rtcd,
                              MACROBLOCK *x, int ib)
{
    BLOCKD *b = &x->e_mbd.block[ib];
    BLOCK *be = &x->block[ib];
    const int iblock[4]={0,1,4,5};
    int i;

269
270
271
272
#if CONFIG_COMP_INTRA_PRED
    if (b->bmi.as_mode.second == (MB_PREDICTION_MODE) (DC_PRED - 1))
    {
#endif
Yaowu Xu's avatar
Yaowu Xu committed
273
    RECON_INVOKE(&rtcd->common->recon, intra8x8_predict)
274
275
276
277
278
279
280
281
282
                (b, b->bmi.as_mode.first, b->predictor);
#if CONFIG_COMP_INTRA_PRED
    }
    else
    {
        RECON_INVOKE(&rtcd->common->recon, comp_intra8x8_predict)
            (b, b->bmi.as_mode.first, b->bmi.as_mode.second, b->predictor);
    }
#endif
Yaowu Xu's avatar
Yaowu Xu committed
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

    for(i=0;i<4;i++)
    {
        b = &x->e_mbd.block[ib + iblock[i]];
        be = &x->block[ib + iblock[i]];
        ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 16);
        x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);
        x->quantize_b(be, b);
        vp8_inverse_transform_b(IF_RTCD(&rtcd->common->idct), b, 32);
        RECON_INVOKE(&rtcd->common->recon, recon)(b->predictor,
            b->diff, *(b->base_dst) + b->dst, b->dst_stride);
    }

}

extern const int vp8_i8x8_block[4];
void vp8_encode_intra8x8mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
{
    int i, ib;

    for(i=0;i<4;i++)
    {
        ib = vp8_i8x8_block[i];
        vp8_encode_intra8x8(rtcd, x, ib);
    }

}

void vp8_encode_intra_uv4x4(const VP8_ENCODER_RTCD *rtcd,
                              MACROBLOCK *x, int ib,
313
                              int mode, int second)
Yaowu Xu's avatar
Yaowu Xu committed
314
315
316
317
{
    BLOCKD *b = &x->e_mbd.block[ib];
    BLOCK *be = &x->block[ib];

318
319
320
321
#if CONFIG_COMP_INTRA_PRED
    if (second == -1)
    {
#endif
Yaowu Xu's avatar
Yaowu Xu committed
322
323
    RECON_INVOKE(&rtcd->common->recon, intra_uv4x4_predict)
                (b, mode, b->predictor);
324
325
326
327
328
329
330
331
#if CONFIG_COMP_INTRA_PRED
    }
    else
    {
        RECON_INVOKE(&rtcd->common->recon, comp_intra_uv4x4_predict)
            (b, mode, second, b->predictor);
    }
#endif
Yaowu Xu's avatar
Yaowu Xu committed
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348

    ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 8);

    x->vp8_short_fdct4x4(be->src_diff, be->coeff, 16);

    x->quantize_b(be, b);

    vp8_inverse_transform_b(IF_RTCD(&rtcd->common->idct), b, 16);

    RECON_INVOKE(&rtcd->common->recon, recon_uv)(b->predictor,
        b->diff, *(b->base_dst) + b->dst, b->dst_stride);
}



void vp8_encode_intra8x8mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
{
349
    int i, ib, mode, second;
Yaowu Xu's avatar
Yaowu Xu committed
350
351
352
353
354
    BLOCKD *b;
    for(i=0;i<4;i++)
    {
        ib = vp8_i8x8_block[i];
        b = &x->e_mbd.block[ib];
355
356
357
358
359
360
        mode = b->bmi.as_mode.first;
#if CONFIG_COMP_INTRA_PRED
        second = b->bmi.as_mode.second;
#else
        second = -1;
#endif
Yaowu Xu's avatar
Yaowu Xu committed
361
        /*u */
362
        vp8_encode_intra_uv4x4(rtcd, x, i+16, mode, second);
Yaowu Xu's avatar
Yaowu Xu committed
363
        /*v */
364
        vp8_encode_intra_uv4x4(rtcd, x, i+20, mode, second);
Yaowu Xu's avatar
Yaowu Xu committed
365
366
    }
}