encodeintra.c 5.56 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
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
 */


#include "vpx_ports/config.h"
#include "idct.h"
#include "quantize.h"
#include "reconintra.h"
#include "reconintra4x4.h"
#include "encodemb.h"
#include "invtrans.h"
#include "recon.h"
#include "dct.h"
#include "g_common.h"
#include "encodeintra.h"

#define intra4x4ibias_rate    128
#define intra4x4pbias_rate    256


void vp8_update_mode_context(int *abmode, int *lbmode, int i, int best_mode)
{
    if (i < 12)
    {
        abmode[i+4] = best_mode;
    }

    if ((i & 3) != 3)
    {
        lbmode[i+1] = best_mode;
    }

}
#if CONFIG_RUNTIME_CPU_DETECT
#define IF_RTCD(x) (x)
#else
#define IF_RTCD(x) NULL
#endif
void vp8_encode_intra4x4block(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x, BLOCK *be, BLOCKD *b, int best_mode)
{
    vp8_predict_intra4x4(b, best_mode, b->predictor);

    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_intra4x4block_rd(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x, BLOCK *be, BLOCKD *b, int best_mode)
{
    vp8_predict_intra4x4(b, best_mode, b->predictor);

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

Yaowu Xu's avatar
Yaowu Xu committed
67
    x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);
John Koleszar's avatar
John Koleszar committed
68

69
    x->quantize_b(be, b);
John Koleszar's avatar
John Koleszar committed
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
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

    IDCT_INVOKE(&rtcd->common->idct, idct16)(b->dqcoeff, b->diff, 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++)
    {
        BLOCK *be = &mb->block[i];
        BLOCKD *b = &x->block[i];

        vp8_encode_intra4x4block(rtcd, mb, be, b, b->bmi.mode);
    }

    return;
}

void vp8_encode_intra16x16mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
{
    int b;

    vp8_build_intra_predictors_mby_ptr(&x->e_mbd);

    ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, x->src.y_buffer, x->e_mbd.predictor, x->src.y_stride);

    vp8_transform_intra_mby(x);

    vp8_quantize_mby(x);

#if !(CONFIG_REALTIME_ONLY)
#if 1
    if (x->optimize && x->rddiv > 1)
        vp8_optimize_mby(x, rtcd);

#endif
#endif

    vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);

    vp8_recon16x16mby(IF_RTCD(&rtcd->common->recon), &x->e_mbd);

    // make sure block modes are set the way we want them for context updates
    for (b = 0; b < 16; b++)
    {
        BLOCKD *d = &x->e_mbd.block[b];

123
        switch (x->e_mbd.mode_info_context->mbmi.mode)
John Koleszar's avatar
John Koleszar committed
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
        {

        case DC_PRED:
            d->bmi.mode = B_DC_PRED;
            break;
        case V_PRED:
            d->bmi.mode = B_VE_PRED;
            break;
        case H_PRED:
            d->bmi.mode = B_HE_PRED;
            break;
        case TM_PRED:
            d->bmi.mode = B_TM_PRED;
            break;
        default:
            d->bmi.mode = B_DC_PRED;
            break;

        }
    }
}

void vp8_encode_intra16x16mbyrd(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
{
    int b;

    vp8_build_intra_predictors_mby_ptr(&x->e_mbd);

    ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, x->src.y_buffer, x->e_mbd.predictor, x->src.y_stride);

Yaowu Xu's avatar
Yaowu Xu committed
154
    vp8_transform_intra_mby(x);
John Koleszar's avatar
John Koleszar committed
155

156
    vp8_quantize_mby(x);
John Koleszar's avatar
John Koleszar committed
157
158
159
160
161
162
163
164
165
166

    vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);

    vp8_recon16x16mby(IF_RTCD(&rtcd->common->recon), &x->e_mbd);

    // make sure block modes are set the way we want them for context updates
    for (b = 0; b < 16; b++)
    {
        BLOCKD *d = &x->e_mbd.block[b];

167
        switch (x->e_mbd.mode_info_context->mbmi.mode)
John Koleszar's avatar
John Koleszar committed
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
        {

        case DC_PRED:
            d->bmi.mode = B_DC_PRED;
            break;
        case V_PRED:
            d->bmi.mode = B_VE_PRED;
            break;
        case H_PRED:
            d->bmi.mode = B_HE_PRED;
            break;
        case TM_PRED:
            d->bmi.mode = B_TM_PRED;
            break;
        default:
            d->bmi.mode = B_DC_PRED;
            break;

        }
    }
}

void vp8_encode_intra16x16mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
{
    vp8_build_intra_predictors_mbuv(&x->e_mbd);

    ENCODEMB_INVOKE(&rtcd->encodemb, submbuv)(x->src_diff, x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor, x->src.uv_stride);

    vp8_transform_mbuv(x);

    vp8_quantize_mbuv(x);

#if !(CONFIG_REALTIME_ONLY)
#if 1

    if (x->optimize && x->rddiv > 1)
        vp8_optimize_mbuv(x, rtcd);

#endif
#endif

    vp8_inverse_transform_mbuv(IF_RTCD(&rtcd->common->idct), &x->e_mbd);

    vp8_recon_intra_mbuv(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
}

void vp8_encode_intra16x16mbuvrd(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
{
    vp8_build_intra_predictors_mbuv(&x->e_mbd);

    ENCODEMB_INVOKE(&rtcd->encodemb, submbuv)(x->src_diff, x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor, x->src.uv_stride);

Yaowu Xu's avatar
Yaowu Xu committed
220
    vp8_transform_mbuv(x);
John Koleszar's avatar
John Koleszar committed
221

222
    vp8_quantize_mbuv(x);
John Koleszar's avatar
John Koleszar committed
223
224
225
226
227

    vp8_inverse_transform_mbuv(IF_RTCD(&rtcd->common->idct), &x->e_mbd);

    vp8_recon_intra_mbuv(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
}