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 "blockd.h"
14 #include "vpx_mem/vpx_mem.h"
15 #include "onyxc_int.h"
16 #include "findnearmv.h"
17 #include "entropymode.h"
18 #include "systemdependent.h"
19 #include "vpxerrors.h"
20
21
22 extern void vp8_init_scan_order_mask();
23
vp8_update_mode_info_border(MODE_INFO * mi,int rows,int cols)24 void vp8_update_mode_info_border(MODE_INFO *mi, int rows, int cols)
25 {
26 int i;
27 vpx_memset(mi - cols - 2, 0, sizeof(MODE_INFO) * (cols + 1));
28
29 for (i = 0; i < rows; i++)
30 {
31 vpx_memset(&mi[i*cols-1], 0, sizeof(MODE_INFO));
32 }
33 }
34
vp8_de_alloc_frame_buffers(VP8_COMMON * oci)35 void vp8_de_alloc_frame_buffers(VP8_COMMON *oci)
36 {
37 int i;
38
39 for (i = 0; i < NUM_YV12_BUFFERS; i++)
40 vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
41
42 vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
43 vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);
44
45 vpx_free(oci->above_context);
46 vpx_free(oci->mip);
47
48 oci->above_context = 0;
49 oci->mip = 0;
50
51 }
52
vp8_alloc_frame_buffers(VP8_COMMON * oci,int width,int height)53 int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height)
54 {
55 int i;
56
57 vp8_de_alloc_frame_buffers(oci);
58
59 /* our internal buffers are always multiples of 16 */
60 if ((width & 0xf) != 0)
61 width += 16 - (width & 0xf);
62
63 if ((height & 0xf) != 0)
64 height += 16 - (height & 0xf);
65
66
67 for (i = 0; i < NUM_YV12_BUFFERS; i++)
68 {
69 oci->fb_idx_ref_cnt[0] = 0;
70
71 if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0)
72 {
73 vp8_de_alloc_frame_buffers(oci);
74 return ALLOC_FAILURE;
75 }
76 }
77
78 oci->new_fb_idx = 0;
79 oci->lst_fb_idx = 1;
80 oci->gld_fb_idx = 2;
81 oci->alt_fb_idx = 3;
82
83 oci->fb_idx_ref_cnt[0] = 1;
84 oci->fb_idx_ref_cnt[1] = 1;
85 oci->fb_idx_ref_cnt[2] = 1;
86 oci->fb_idx_ref_cnt[3] = 1;
87
88 if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16, VP8BORDERINPIXELS) < 0)
89 {
90 vp8_de_alloc_frame_buffers(oci);
91 return ALLOC_FAILURE;
92 }
93
94 if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0)
95 {
96 vp8_de_alloc_frame_buffers(oci);
97 return ALLOC_FAILURE;
98 }
99
100 oci->mb_rows = height >> 4;
101 oci->mb_cols = width >> 4;
102 oci->MBs = oci->mb_rows * oci->mb_cols;
103 oci->mode_info_stride = oci->mb_cols + 1;
104 oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
105
106 if (!oci->mip)
107 {
108 vp8_de_alloc_frame_buffers(oci);
109 return ALLOC_FAILURE;
110 }
111
112 oci->mi = oci->mip + oci->mode_info_stride + 1;
113
114
115 oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
116
117 if (!oci->above_context)
118 {
119 vp8_de_alloc_frame_buffers(oci);
120 return ALLOC_FAILURE;
121 }
122
123 vp8_update_mode_info_border(oci->mi, oci->mb_rows, oci->mb_cols);
124
125 return 0;
126 }
vp8_setup_version(VP8_COMMON * cm)127 void vp8_setup_version(VP8_COMMON *cm)
128 {
129 switch (cm->version)
130 {
131 case 0:
132 cm->no_lpf = 0;
133 cm->simpler_lpf = 0;
134 cm->use_bilinear_mc_filter = 0;
135 cm->full_pixel = 0;
136 break;
137 case 1:
138 cm->no_lpf = 0;
139 cm->simpler_lpf = 1;
140 cm->use_bilinear_mc_filter = 1;
141 cm->full_pixel = 0;
142 break;
143 case 2:
144 cm->no_lpf = 1;
145 cm->simpler_lpf = 0;
146 cm->use_bilinear_mc_filter = 1;
147 cm->full_pixel = 0;
148 break;
149 case 3:
150 cm->no_lpf = 1;
151 cm->simpler_lpf = 1;
152 cm->use_bilinear_mc_filter = 1;
153 cm->full_pixel = 1;
154 break;
155 default:
156 /*4,5,6,7 are reserved for future use*/
157 cm->no_lpf = 0;
158 cm->simpler_lpf = 0;
159 cm->use_bilinear_mc_filter = 0;
160 cm->full_pixel = 0;
161 break;
162 }
163 }
vp8_create_common(VP8_COMMON * oci)164 void vp8_create_common(VP8_COMMON *oci)
165 {
166 vp8_machine_specific_config(oci);
167 vp8_default_coef_probs(oci);
168 vp8_init_mbmode_probs(oci);
169 vp8_default_bmode_probs(oci->fc.bmode_prob);
170
171 oci->mb_no_coeff_skip = 1;
172 oci->no_lpf = 0;
173 oci->simpler_lpf = 0;
174 oci->use_bilinear_mc_filter = 0;
175 oci->full_pixel = 0;
176 oci->multi_token_partition = ONE_PARTITION;
177 oci->clr_type = REG_YUV;
178 oci->clamp_type = RECON_CLAMP_REQUIRED;
179
180 /* Initialise reference frame sign bias structure to defaults */
181 vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));
182
183 /* Default disable buffer to buffer copying */
184 oci->copy_buffer_to_gf = 0;
185 oci->copy_buffer_to_arf = 0;
186 }
187
vp8_remove_common(VP8_COMMON * oci)188 void vp8_remove_common(VP8_COMMON *oci)
189 {
190 vp8_de_alloc_frame_buffers(oci);
191 }
192
vp8_initialize_common()193 void vp8_initialize_common()
194 {
195 vp8_coef_tree_initialize();
196
197 vp8_entropy_mode_init();
198
199 vp8_init_scan_order_mask();
200
201 }
202