encodeintra.c 10.3 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
#include "vp8/common/invtrans.h"
19
#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 25 26 27 28 29
#include "encodeintra.h"


#if CONFIG_RUNTIME_CPU_DETECT
#define IF_RTCD(x) (x)
#else
#define IF_RTCD(x) NULL
#endif
30

Jingning Han's avatar
Jingning Han committed
31 32 33
#if CONFIG_HYBRIDTRANSFORM
extern void vp8_ht_quantize_b(BLOCK *b, BLOCKD *d);
#endif
Tero Rintaluoma's avatar
Tero Rintaluoma committed
34

Jingning Han's avatar
Jingning Han committed
35
int vp8_encode_intra(VP8_COMP *cpi, MACROBLOCK *x, int use_16x16_pred) {
John Koleszar's avatar
John Koleszar committed
36 37
  int i;
  int intra_pred_var = 0;
Paul Wilkins's avatar
Paul Wilkins committed
38
  MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
39
  (void) cpi;
Tero Rintaluoma's avatar
Tero Rintaluoma committed
40

John Koleszar's avatar
John Koleszar committed
41
  if (use_16x16_pred) {
Paul Wilkins's avatar
Paul Wilkins committed
42
    mbmi->mode = DC_PRED;
43
#if CONFIG_COMP_INTRA_PRED
Paul Wilkins's avatar
Paul Wilkins committed
44
    mbmi->second_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
45
#endif
Paul Wilkins's avatar
Paul Wilkins committed
46 47
    mbmi->uv_mode = DC_PRED;
    mbmi->ref_frame = INTRA_FRAME;
John Koleszar's avatar
John Koleszar committed
48 49 50 51 52 53

    vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
  } else {
    for (i = 0; i < 16; i++) {
      x->e_mbd.block[i].bmi.as_mode.first = B_DC_PRED;
      vp8_encode_intra4x4block(IF_RTCD(&cpi->rtcd), x, i);
Tero Rintaluoma's avatar
Tero Rintaluoma committed
54
    }
John Koleszar's avatar
John Koleszar committed
55
  }
Tero Rintaluoma's avatar
Tero Rintaluoma committed
56

John Koleszar's avatar
John Koleszar committed
57
  intra_pred_var = VARIANCE_INVOKE(&cpi->rtcd.variance, getmbss)(x->src_diff);
Tero Rintaluoma's avatar
Tero Rintaluoma committed
58

John Koleszar's avatar
John Koleszar committed
59
  return intra_pred_var;
Tero Rintaluoma's avatar
Tero Rintaluoma committed
60
}
61 62

void vp8_encode_intra4x4block(const VP8_ENCODER_RTCD *rtcd,
John Koleszar's avatar
John Koleszar committed
63 64 65
                              MACROBLOCK *x, int ib) {
  BLOCKD *b = &x->e_mbd.block[ib];
  BLOCK *be = &x->block[ib];
66

Jingning Han's avatar
Jingning Han committed
67 68 69 70 71 72
#if CONFIG_HYBRIDTRANSFORM
    int QIndex = x->q_index;
    int active_ht = (QIndex < ACTIVE_HT);
#endif


73
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
74
  if (b->bmi.as_mode.second == (B_PREDICTION_MODE)(B_DC_PRED - 1)) {
75
#endif
76 77
    RECON_INVOKE(&rtcd->common->recon, intra4x4_predict)
    (b, b->bmi.as_mode.first, b->predictor);
78
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
79
  } else {
80 81
    RECON_INVOKE(&rtcd->common->recon, comp_intra4x4_predict)
    (b, b->bmi.as_mode.first, b->bmi.as_mode.second, b->predictor);
John Koleszar's avatar
John Koleszar committed
82
  }
83
#endif
John Koleszar's avatar
John Koleszar committed
84

John Koleszar's avatar
John Koleszar committed
85
  ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 16);
John Koleszar's avatar
John Koleszar committed
86

Jingning Han's avatar
Jingning Han committed
87
#if CONFIG_HYBRIDTRANSFORM
88 89 90 91 92
  if (active_ht) {
    b->bmi.as_mode.test = b->bmi.as_mode.first;
    txfm_map(b, b->bmi.as_mode.first);
    vp8_fht_c(be->src_diff, be->coeff, 32, b->bmi.as_mode.tx_type, 4);
    vp8_ht_quantize_b(be, b);
93
    vp8_ihtllm_c(b->dqcoeff, b->diff, 32, b->bmi.as_mode.tx_type, 4);
94 95 96 97 98
  } else {
    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) ;
  }
Jingning Han's avatar
Jingning Han committed
99
#else
100 101 102
  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);
Jingning Han's avatar
Jingning Han committed
103
#endif
John Koleszar's avatar
John Koleszar committed
104

105
  RECON_INVOKE(&rtcd->common->recon, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
John Koleszar's avatar
John Koleszar committed
106 107
}

John Koleszar's avatar
John Koleszar committed
108 109
void vp8_encode_intra4x4mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb) {
  int i;
John Koleszar's avatar
John Koleszar committed
110

Adrian Grange's avatar
Adrian Grange committed
111
#if 0
Paul Wilkins's avatar
Paul Wilkins committed
112
  MACROBLOCKD *xd = &mb->e_mbd;
John Koleszar's avatar
John Koleszar committed
113
  // Intra modes requiring top-right MB reconstructed data have been disabled
Paul Wilkins's avatar
Paul Wilkins committed
114
  vp8_intra_prediction_down_copy(xd);
Adrian Grange's avatar
Adrian Grange committed
115
#endif
John Koleszar's avatar
John Koleszar committed
116

John Koleszar's avatar
John Koleszar committed
117 118 119
  for (i = 0; i < 16; i++)
    vp8_encode_intra4x4block(rtcd, mb, i);
  return;
John Koleszar's avatar
John Koleszar committed
120 121
}

John Koleszar's avatar
John Koleszar committed
122 123
void vp8_encode_intra16x16mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x) {
  BLOCK *b = &x->block[0];
John Koleszar's avatar
John Koleszar committed
124

John Koleszar's avatar
John Koleszar committed
125
  int tx_type = x->e_mbd.mode_info_context->mbmi.txfm_size;
126 127 128
#if CONFIG_HYBRIDTRANSFORM16X16
  TX_TYPE txfm_type = x->e_mbd.mode_info_context->bmi[0].as_mode.tx_type;
#endif
Paul Wilkins's avatar
Paul Wilkins committed
129

130
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
131
  if (x->e_mbd.mode_info_context->mbmi.second_mode == (MB_PREDICTION_MODE)(DC_PRED - 1))
132
#endif
133
    RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mby)(&x->e_mbd);
134
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
135
  else
136
    RECON_INVOKE(&rtcd->common->recon, build_comp_intra_predictors_mby)(&x->e_mbd);
137
#endif
John Koleszar's avatar
John Koleszar committed
138

John Koleszar's avatar
John Koleszar committed
139
  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
140

Daniel Kang's avatar
Daniel Kang committed
141
  if (tx_type == TX_16X16)
142 143 144 145 146 147 148 149 150 151 152 153
#if CONFIG_HYBRIDTRANSFORM16X16
  {
    if ((x->e_mbd.mode_info_context->mbmi.mode < I8X8_PRED) &&
        (x->q_index < ACTIVE_HT16)) {
      BLOCKD  *bd = &x->e_mbd.block[0];
      txfm_map(bd, pred_mode_conv(x->e_mbd.mode_info_context->mbmi.mode));
      txfm_type = bd->bmi.as_mode.tx_type;
      vp8_fht_c(b->src_diff, b->coeff, 32, txfm_type, 16);
    } else
      vp8_transform_intra_mby_16x16(x);
  }
#else
Daniel Kang's avatar
Daniel Kang committed
154
    vp8_transform_intra_mby_16x16(x);
155
#endif
156
  else if (tx_type == TX_8X8)
John Koleszar's avatar
John Koleszar committed
157 158 159
    vp8_transform_intra_mby_8x8(x);
  else
    vp8_transform_intra_mby(x);
John Koleszar's avatar
John Koleszar committed
160

Daniel Kang's avatar
Daniel Kang committed
161 162
  if (tx_type == TX_16X16)
    vp8_quantize_mby_16x16(x);
163
  else if (tx_type == TX_8X8)
John Koleszar's avatar
John Koleszar committed
164 165 166
    vp8_quantize_mby_8x8(x);
  else
    vp8_quantize_mby(x);
John Koleszar's avatar
John Koleszar committed
167

John Koleszar's avatar
John Koleszar committed
168
  if (x->optimize) {
Daniel Kang's avatar
Daniel Kang committed
169 170
    if (tx_type == TX_16X16)
      vp8_optimize_mby_16x16(x, rtcd);
171
    else if (tx_type == TX_8X8)
John Koleszar's avatar
John Koleszar committed
172
      vp8_optimize_mby_8x8(x, rtcd);
173
    else
John Koleszar's avatar
John Koleszar committed
174 175 176
      vp8_optimize_mby(x, rtcd);
  }

Daniel Kang's avatar
Daniel Kang committed
177
  if (tx_type == TX_16X16)
178 179 180 181 182 183 184 185 186 187
#if CONFIG_HYBRIDTRANSFORM16X16
  {
    if ((x->e_mbd.mode_info_context->mbmi.mode < I8X8_PRED) &&
        (x->q_index < ACTIVE_HT16)) {
      BLOCKD *bd = &x->e_mbd.block[0];
      vp8_ihtllm_c(bd->dqcoeff, bd->diff, 32, txfm_type, 16);
    } else
      vp8_inverse_transform_mby_16x16(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
  }
#else
Daniel Kang's avatar
Daniel Kang committed
188
    vp8_inverse_transform_mby_16x16(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
189
#endif
190
  else if (tx_type == TX_8X8)
John Koleszar's avatar
John Koleszar committed
191 192 193
    vp8_inverse_transform_mby_8x8(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
  else
    vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
194

195 196
  RECON_INVOKE(&rtcd->common->recon, recon_mby)
      (IF_RTCD(&rtcd->common->recon), &x->e_mbd);
John Koleszar's avatar
John Koleszar committed
197 198 199

}

John Koleszar's avatar
John Koleszar committed
200 201
void vp8_encode_intra16x16mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x) {
  int tx_type = x->e_mbd.mode_info_context->mbmi.txfm_size;
Daniel Kang's avatar
Daniel Kang committed
202
  if (tx_type == TX_16X16) tx_type = TX_8X8; // 16x16 for U and V should default to 8x8 behavior.
203
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
204
  if (x->e_mbd.mode_info_context->mbmi.second_uv_mode == (MB_PREDICTION_MODE)(DC_PRED - 1)) {
Paul Wilkins's avatar
Paul Wilkins committed
205
#endif
206
    RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mbuv)(&x->e_mbd);
207
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
208
  } else {
209
    RECON_INVOKE(&rtcd->common->recon, build_comp_intra_predictors_mbuv)(&x->e_mbd);
John Koleszar's avatar
John Koleszar committed
210
  }
211
#endif
John Koleszar's avatar
John Koleszar committed
212

John Koleszar's avatar
John Koleszar committed
213 214 215 216 217
  ENCODEMB_INVOKE(&rtcd->encodemb, submbuv)(x->src_diff, x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor, x->src.uv_stride);
  if (tx_type == TX_8X8)
    vp8_transform_mbuv_8x8(x);
  else
    vp8_transform_mbuv(x);
John Koleszar's avatar
John Koleszar committed
218

John Koleszar's avatar
John Koleszar committed
219 220 221 222
  if (tx_type == TX_8X8)
    vp8_quantize_mbuv_8x8(x);
  else
    vp8_quantize_mbuv(x);
223

John Koleszar's avatar
John Koleszar committed
224 225 226
  if (x->optimize) {
    if (tx_type == TX_8X8)
      vp8_optimize_mbuv_8x8(x, rtcd);
227
    else
John Koleszar's avatar
John Koleszar committed
228 229 230 231 232 233 234
      vp8_optimize_mbuv(x, rtcd);
  }

  if (tx_type == TX_8X8)
    vp8_inverse_transform_mbuv_8x8(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
  else
    vp8_inverse_transform_mbuv(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
John Koleszar's avatar
John Koleszar committed
235

236
  vp8_recon_intra_mbuv(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
John Koleszar's avatar
John Koleszar committed
237
}
Yaowu Xu's avatar
Yaowu Xu committed
238 239

void vp8_encode_intra8x8(const VP8_ENCODER_RTCD *rtcd,
John Koleszar's avatar
John Koleszar committed
240
                         MACROBLOCK *x, int ib) {
241 242
  MACROBLOCKD *xd = &x->e_mbd;
  BLOCKD *b = &xd->block[ib];
John Koleszar's avatar
John Koleszar committed
243 244 245
  BLOCK *be = &x->block[ib];
  const int iblock[4] = {0, 1, 4, 5};
  int i;
Yaowu Xu's avatar
Yaowu Xu committed
246

247
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
248
  if (b->bmi.as_mode.second == (MB_PREDICTION_MODE)(DC_PRED - 1)) {
249
#endif
250 251
    RECON_INVOKE(&rtcd->common->recon, intra8x8_predict)
    (b, b->bmi.as_mode.first, b->predictor);
252
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
253
  } else {
254 255
    RECON_INVOKE(&rtcd->common->recon, comp_intra8x8_predict)
    (b, b->bmi.as_mode.first, b->bmi.as_mode.second, b->predictor);
John Koleszar's avatar
John Koleszar committed
256
  }
257
#endif
Yaowu Xu's avatar
Yaowu Xu committed
258

259
  if (x->e_mbd.mode_info_context->mbmi.txfm_size == TX_8X8) {
260 261 262 263
    int idx = (ib & 0x02) ? (ib + 2) : ib;

    // generate residual blocks
    vp8_subtract_4b_c(be, b, 16);
264

265
#if CONFIG_HYBRIDTRANSFORM8X8
266
    txfm_map(b, pred_mode_conv(b->bmi.as_mode.first));
267 268
    vp8_fht_c(be->src_diff, (x->block + idx)->coeff, 32,
              b->bmi.as_mode.tx_type, 8);
269
    x->quantize_b_8x8(x->block + idx, xd->block + idx);
270 271
    vp8_ihtllm_c(xd->block[idx].dqcoeff, xd->block[ib].diff, 32,
                 b->bmi.as_mode.tx_type, 8);
272 273 274 275 276
#else
    x->vp8_short_fdct8x8(be->src_diff, (x->block + idx)->coeff, 32);
    x->quantize_b_8x8(x->block + idx, xd->block + idx);
    vp8_idct_idct8(xd->block[idx].dqcoeff, xd->block[ib].diff, 32);
#endif
277
  } else {
278 279
    for (i = 0; i < 4; i++) {
      b = &xd->block[ib + iblock[i]];
280 281 282 283 284
      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);
285 286
    }
  }
287 288 289 290 291 292 293

  // reconstruct submacroblock
  for (i = 0; i < 4; i++) {
    b = &xd->block[ib + iblock[i]];
    vp8_recon_b_c(b->predictor, b->diff, *(b->base_dst) + b->dst,
                  b->dst_stride);
  }
Yaowu Xu's avatar
Yaowu Xu committed
294 295
}

John Koleszar's avatar
John Koleszar committed
296 297 298 299 300 301 302
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);
  }
Yaowu Xu's avatar
Yaowu Xu committed
303 304 305
}

void vp8_encode_intra_uv4x4(const VP8_ENCODER_RTCD *rtcd,
John Koleszar's avatar
John Koleszar committed
306 307 308 309
                            MACROBLOCK *x, int ib,
                            int mode, int second) {
  BLOCKD *b = &x->e_mbd.block[ib];
  BLOCK *be = &x->block[ib];
Yaowu Xu's avatar
Yaowu Xu committed
310

311
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
312
  if (second == -1) {
313
#endif
314 315
    RECON_INVOKE(&rtcd->common->recon, intra_uv4x4_predict)
    (b, mode, b->predictor);
316
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
317
  } else {
318 319
    RECON_INVOKE(&rtcd->common->recon, comp_intra_uv4x4_predict)
    (b, mode, second, b->predictor);
John Koleszar's avatar
John Koleszar committed
320
  }
321
#endif
Yaowu Xu's avatar
Yaowu Xu committed
322

John Koleszar's avatar
John Koleszar committed
323
  ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 8);
Yaowu Xu's avatar
Yaowu Xu committed
324

John Koleszar's avatar
John Koleszar committed
325
  x->vp8_short_fdct4x4(be->src_diff, be->coeff, 16);
Yaowu Xu's avatar
Yaowu Xu committed
326

John Koleszar's avatar
John Koleszar committed
327
  x->quantize_b(be, b);
Yaowu Xu's avatar
Yaowu Xu committed
328

John Koleszar's avatar
John Koleszar committed
329
  vp8_inverse_transform_b(IF_RTCD(&rtcd->common->idct), b, 16);
Yaowu Xu's avatar
Yaowu Xu committed
330

331 332
  RECON_INVOKE(&rtcd->common->recon, recon_uv)(b->predictor,
                                               b->diff, *(b->base_dst) + b->dst, b->dst_stride);
Yaowu Xu's avatar
Yaowu Xu committed
333 334 335 336
}



John Koleszar's avatar
John Koleszar committed
337 338 339 340 341 342 343
void vp8_encode_intra8x8mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x) {
  int i, ib, mode, second;
  BLOCKD *b;
  for (i = 0; i < 4; i++) {
    ib = vp8_i8x8_block[i];
    b = &x->e_mbd.block[ib];
    mode = b->bmi.as_mode.first;
344
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
345
    second = b->bmi.as_mode.second;
346
#else
John Koleszar's avatar
John Koleszar committed
347
    second = -1;
348
#endif
John Koleszar's avatar
John Koleszar committed
349 350 351 352 353
    /*u */
    vp8_encode_intra_uv4x4(rtcd, x, i + 16, mode, second);
    /*v */
    vp8_encode_intra_uv4x4(rtcd, x, i + 20, mode, second);
  }
Yaowu Xu's avatar
Yaowu Xu committed
354
}