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_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
vp8_de_alloc_frame_buffers(VP8_COMMON * oci)20 void vp8_de_alloc_frame_buffers(VP8_COMMON *oci)
21 {
22 int i;
23 for (i = 0; i < NUM_YV12_BUFFERS; i++)
24 vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
25
26 vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
27 #if CONFIG_POSTPROC
28 vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);
29 if (oci->post_proc_buffer_int_used)
30 vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer_int);
31
32 vpx_free(oci->pp_limits_buffer);
33 oci->pp_limits_buffer = NULL;
34 #endif
35
36 vpx_free(oci->above_context);
37 vpx_free(oci->mip);
38 #if CONFIG_ERROR_CONCEALMENT
39 vpx_free(oci->prev_mip);
40 oci->prev_mip = NULL;
41 #endif
42
43 oci->above_context = NULL;
44 oci->mip = NULL;
45 }
46
vp8_alloc_frame_buffers(VP8_COMMON * oci,int width,int height)47 int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height)
48 {
49 int i;
50
51 vp8_de_alloc_frame_buffers(oci);
52
53 /* our internal buffers are always multiples of 16 */
54 if ((width & 0xf) != 0)
55 width += 16 - (width & 0xf);
56
57 if ((height & 0xf) != 0)
58 height += 16 - (height & 0xf);
59
60
61 for (i = 0; i < NUM_YV12_BUFFERS; i++)
62 {
63 oci->fb_idx_ref_cnt[i] = 0;
64 oci->yv12_fb[i].flags = 0;
65 if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0)
66 goto allocation_fail;
67 }
68
69 oci->new_fb_idx = 0;
70 oci->lst_fb_idx = 1;
71 oci->gld_fb_idx = 2;
72 oci->alt_fb_idx = 3;
73
74 oci->fb_idx_ref_cnt[0] = 1;
75 oci->fb_idx_ref_cnt[1] = 1;
76 oci->fb_idx_ref_cnt[2] = 1;
77 oci->fb_idx_ref_cnt[3] = 1;
78
79 if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16, VP8BORDERINPIXELS) < 0)
80 goto allocation_fail;
81
82 oci->mb_rows = height >> 4;
83 oci->mb_cols = width >> 4;
84 oci->MBs = oci->mb_rows * oci->mb_cols;
85 oci->mode_info_stride = oci->mb_cols + 1;
86 oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
87
88 if (!oci->mip)
89 goto allocation_fail;
90
91 oci->mi = oci->mip + oci->mode_info_stride + 1;
92
93 /* Allocation of previous mode info will be done in vp8_decode_frame()
94 * as it is a decoder only data */
95
96 oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
97
98 if (!oci->above_context)
99 goto allocation_fail;
100
101 #if CONFIG_POSTPROC
102 if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0)
103 goto allocation_fail;
104
105 oci->post_proc_buffer_int_used = 0;
106 vpx_memset(&oci->postproc_state, 0, sizeof(oci->postproc_state));
107 vpx_memset(oci->post_proc_buffer.buffer_alloc, 128,
108 oci->post_proc_buffer.frame_size);
109
110 /* Allocate buffer to store post-processing filter coefficients.
111 *
112 * Note: Round up mb_cols to support SIMD reads
113 */
114 oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1));
115 if (!oci->pp_limits_buffer)
116 goto allocation_fail;
117 #endif
118
119 return 0;
120
121 allocation_fail:
122 vp8_de_alloc_frame_buffers(oci);
123 return 1;
124 }
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->filter_type = NORMAL_LOOPFILTER;
133 cm->use_bilinear_mc_filter = 0;
134 cm->full_pixel = 0;
135 break;
136 case 1:
137 cm->no_lpf = 0;
138 cm->filter_type = SIMPLE_LOOPFILTER;
139 cm->use_bilinear_mc_filter = 1;
140 cm->full_pixel = 0;
141 break;
142 case 2:
143 cm->no_lpf = 1;
144 cm->filter_type = NORMAL_LOOPFILTER;
145 cm->use_bilinear_mc_filter = 1;
146 cm->full_pixel = 0;
147 break;
148 case 3:
149 cm->no_lpf = 1;
150 cm->filter_type = SIMPLE_LOOPFILTER;
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->filter_type = NORMAL_LOOPFILTER;
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
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->filter_type = NORMAL_LOOPFILTER;
173 oci->use_bilinear_mc_filter = 0;
174 oci->full_pixel = 0;
175 oci->multi_token_partition = ONE_PARTITION;
176 oci->clamp_type = RECON_CLAMP_REQUIRED;
177
178 /* Initialize reference frame sign bias structure to defaults */
179 vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));
180
181 /* Default disable buffer to buffer copying */
182 oci->copy_buffer_to_gf = 0;
183 oci->copy_buffer_to_arf = 0;
184 }
185
vp8_remove_common(VP8_COMMON * oci)186 void vp8_remove_common(VP8_COMMON *oci)
187 {
188 vp8_de_alloc_frame_buffers(oci);
189 }
190