vp8/encoder/encodeintra.c

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #include "vpx_ports/config.h"
  13 #include "vp8/common/idct.h"
  14 #include "quantize.h"
  15 #include "vp8/common/reconintra.h"
  16 #include "vp8/common/reconintra4x4.h"
  17 #include "encodemb.h"
  18 #include "vp8/common/invtrans.h"
  19 #include "vp8/common/recon.h"
  20 #include "dct.h"
  21 #include "vp8/common/g_common.h"
  22 #include "encodeintra.h"
  23
  24 #define intra4x4ibias_rate    128
  25 #define intra4x4pbias_rate    256
  26
  27
  28 #if CONFIG_RUNTIME_CPU_DETECT
  29 #define IF_RTCD(x) (x)
  30 #else
  31 #define IF_RTCD(x) NULL
  32 #endif
  33 void vp8_encode_intra4x4block(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x, BLOCK *be, BLOCKD *b, int best_mode)
  34 {
  35     vp8_predict_intra4x4(b, best_mode, b->predictor);
  36
  37     ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 16);
  38
  39     x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);
  40
  41     x->quantize_b(be, b);
  42
  43     vp8_inverse_transform_b(IF_RTCD(&rtcd->common->idct), b, 32);
  44
  45     RECON_INVOKE(&rtcd->common->recon, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
  46 }
  47
  48 void vp8_encode_intra4x4mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb)
  49 {
  50     int i;
  51
  52     MACROBLOCKD *x = &mb->e_mbd;
  53     vp8_intra_prediction_down_copy(x);
  54
  55     for (i = 0; i < 16; i++)
  56     {
  57         BLOCK *be = &mb->block[i];
  58         BLOCKD *b = &x->block[i];
  59
  60         vp8_encode_intra4x4block(rtcd, mb, be, b, b->bmi.mode);
  61     }
  62
  63     return;
  64 }
  65
  66 void vp8_encode_intra16x16mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
  67 {
  68     int b;
  69
  70     RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mby)(&x->e_mbd);
  71
  72     ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, x->src.y_buffer, x->e_mbd.predictor, x->src.y_stride);
  73
  74     vp8_transform_intra_mby(x);
  75
  76     vp8_quantize_mby(x);
  77
  78 #if !(CONFIG_REALTIME_ONLY)
  79 #if 1
  80     if (x->optimize)
  81         vp8_optimize_mby(x, rtcd);
  82
  83 #endif
  84 #endif
  85
  86     vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
  87
  88     RECON_INVOKE(&rtcd->common->recon, recon_mby)
  89         (IF_RTCD(&rtcd->common->recon), &x->e_mbd);
  90
  91     // make sure block modes are set the way we want them for context updates
  92     for (b = 0; b < 16; b++)
  93     {
  94         BLOCKD *d = &x->e_mbd.block[b];
  95
  96         switch (x->e_mbd.mode_info_context->mbmi.mode)
  97         {
  98
  99         case DC_PRED:
 100             d->bmi.mode = B_DC_PRED;
 101             break;
 102         case V_PRED:
 103             d->bmi.mode = B_VE_PRED;
 104             break;
 105         case H_PRED:
 106             d->bmi.mode = B_HE_PRED;
 107             break;
 108         case TM_PRED:
 109             d->bmi.mode = B_TM_PRED;
 110             break;
 111         default:
 112             d->bmi.mode = B_DC_PRED;
 113             break;
 114
 115         }
 116     }
 117 }
 118
 119 void vp8_encode_intra16x16mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
 120 {
 121     vp8_build_intra_predictors_mbuv(&x->e_mbd);
 122
 123     ENCODEMB_INVOKE(&rtcd->encodemb, submbuv)(x->src_diff, x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor, x->src.uv_stride);
 124
 125     vp8_transform_mbuv(x);
 126
 127     vp8_quantize_mbuv(x);
 128
 129 #if !(CONFIG_REALTIME_ONLY)
 130 #if 1
 131
 132     if (x->optimize==2 ||(x->optimize && x->rddiv > 1))
 133         vp8_optimize_mbuv(x, rtcd);
 134
 135 #endif
 136 #endif
 137
 138     vp8_inverse_transform_mbuv(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
 139
 140     vp8_recon_intra_mbuv(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
 141 }
 142