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