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 "alloccommon.h"
14 #include "blockd.h"
15 #include "vpx_mem/vpx_mem.h"
16 #include "onyxc_int.h"
17 #include "findnearmv.h"
18 #include "entropymode.h"
19 #include "systemdependent.h"
20
vp8_de_alloc_frame_buffers(VP8_COMMON * oci)21 void vp8_de_alloc_frame_buffers(VP8_COMMON *oci)
22 {
23 int i;
24 for (i = 0; i < NUM_YV12_BUFFERS; i++)
25 vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
26
27 vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
28 #if CONFIG_POSTPROC
29 vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);
30 if (oci->post_proc_buffer_int_used)
31 vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer_int);
32
33 vpx_free(oci->pp_limits_buffer);
34 oci->pp_limits_buffer = NULL;
35 #endif
36
37 vpx_free(oci->above_context);
38 vpx_free(oci->mip);
39 #if CONFIG_ERROR_CONCEALMENT
40 vpx_free(oci->prev_mip);
41 oci->prev_mip = NULL;
42 #endif
43
44 oci->above_context = NULL;
45 oci->mip = NULL;
46 }
47
vp8_alloc_frame_buffers(VP8_COMMON * oci,int width,int height)48 int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height)
49 {
50 int i;
51
52 vp8_de_alloc_frame_buffers(oci);
53
54 /* our internal buffers are always multiples of 16 */
55 if ((width & 0xf) != 0)
56 width += 16 - (width & 0xf);
57
58 if ((height & 0xf) != 0)
59 height += 16 - (height & 0xf);
60
61
62 for (i = 0; i < NUM_YV12_BUFFERS; i++)
63 {
64 oci->fb_idx_ref_cnt[i] = 0;
65 oci->yv12_fb[i].flags = 0;
66 if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0)
67 goto allocation_fail;
68 }
69
70 oci->new_fb_idx = 0;
71 oci->lst_fb_idx = 1;
72 oci->gld_fb_idx = 2;
73 oci->alt_fb_idx = 3;
74
75 oci->fb_idx_ref_cnt[0] = 1;
76 oci->fb_idx_ref_cnt[1] = 1;
77 oci->fb_idx_ref_cnt[2] = 1;
78 oci->fb_idx_ref_cnt[3] = 1;
79
80 if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16, VP8BORDERINPIXELS) < 0)
81 goto allocation_fail;
82
83 oci->mb_rows = height >> 4;
84 oci->mb_cols = width >> 4;
85 oci->MBs = oci->mb_rows * oci->mb_cols;
86 oci->mode_info_stride = oci->mb_cols + 1;
87 oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
88
89 if (!oci->mip)
90 goto allocation_fail;
91
92 oci->mi = oci->mip + oci->mode_info_stride + 1;
93
94 /* Allocation of previous mode info will be done in vp8_decode_frame()
95 * as it is a decoder only data */
96
97 oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
98
99 if (!oci->above_context)
100 goto allocation_fail;
101
102 #if CONFIG_POSTPROC
103 if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0)
104 goto allocation_fail;
105
106 oci->post_proc_buffer_int_used = 0;
107 memset(&oci->postproc_state, 0, sizeof(oci->postproc_state));
108 memset(oci->post_proc_buffer.buffer_alloc, 128,
109 oci->post_proc_buffer.frame_size);
110
111 /* Allocate buffer to store post-processing filter coefficients.
112 *
113 * Note: Round up mb_cols to support SIMD reads
114 */
115 oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1));
116 if (!oci->pp_limits_buffer)
117 goto allocation_fail;
118 #endif
119
120 return 0;
121
122 allocation_fail:
123 vp8_de_alloc_frame_buffers(oci);
124 return 1;
125 }
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->filter_type = NORMAL_LOOPFILTER;
134 cm->use_bilinear_mc_filter = 0;
135 cm->full_pixel = 0;
136 break;
137 case 1:
138 cm->no_lpf = 0;
139 cm->filter_type = SIMPLE_LOOPFILTER;
140 cm->use_bilinear_mc_filter = 1;
141 cm->full_pixel = 0;
142 break;
143 case 2:
144 cm->no_lpf = 1;
145 cm->filter_type = NORMAL_LOOPFILTER;
146 cm->use_bilinear_mc_filter = 1;
147 cm->full_pixel = 0;
148 break;
149 case 3:
150 cm->no_lpf = 1;
151 cm->filter_type = SIMPLE_LOOPFILTER;
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->filter_type = NORMAL_LOOPFILTER;
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
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->filter_type = NORMAL_LOOPFILTER;
174 oci->use_bilinear_mc_filter = 0;
175 oci->full_pixel = 0;
176 oci->multi_token_partition = ONE_PARTITION;
177 oci->clamp_type = RECON_CLAMP_REQUIRED;
178
179 /* Initialize reference frame sign bias structure to defaults */
180 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