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 #include "vpx_config.h"
12 #include "alloccommon.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 int i;
22 for (i = 0; i < NUM_YV12_BUFFERS; ++i) {
23 vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
24 }
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
33 vpx_free(oci->pp_limits_buffer);
34 oci->pp_limits_buffer = NULL;
35
36 vpx_free(oci->postproc_state.generated_noise);
37 oci->postproc_state.generated_noise = NULL;
38 #endif
39
40 vpx_free(oci->above_context);
41 vpx_free(oci->mip);
42 #if CONFIG_ERROR_CONCEALMENT
43 vpx_free(oci->prev_mip);
44 oci->prev_mip = NULL;
45 #endif
46
47 oci->above_context = NULL;
48 oci->mip = NULL;
49 }
50
vp8_alloc_frame_buffers(VP8_COMMON * oci,int width,int height)51 int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height) {
52 int i;
53
54 vp8_de_alloc_frame_buffers(oci);
55
56 /* our internal buffers are always multiples of 16 */
57 if ((width & 0xf) != 0) width += 16 - (width & 0xf);
58
59 if ((height & 0xf) != 0) height += 16 - (height & 0xf);
60
61 for (i = 0; i < NUM_YV12_BUFFERS; ++i) {
62 oci->fb_idx_ref_cnt[i] = 0;
63 oci->yv12_fb[i].flags = 0;
64 if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height,
65 VP8BORDERINPIXELS) < 0) {
66 goto allocation_fail;
67 }
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,
81 VP8BORDERINPIXELS) < 0) {
82 goto allocation_fail;
83 }
84
85 oci->mb_rows = height >> 4;
86 oci->mb_cols = width >> 4;
87 oci->MBs = oci->mb_rows * oci->mb_cols;
88 oci->mode_info_stride = oci->mb_cols + 1;
89 oci->mip =
90 vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
91
92 if (!oci->mip) goto allocation_fail;
93
94 oci->mi = oci->mip + oci->mode_info_stride + 1;
95
96 /* Allocation of previous mode info will be done in vp8_decode_frame()
97 * as it is a decoder only data */
98
99 oci->above_context =
100 vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
101
102 if (!oci->above_context) goto allocation_fail;
103
104 #if CONFIG_POSTPROC
105 if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height,
106 VP8BORDERINPIXELS) < 0) {
107 goto allocation_fail;
108 }
109
110 oci->post_proc_buffer_int_used = 0;
111 memset(&oci->postproc_state, 0, sizeof(oci->postproc_state));
112 memset(oci->post_proc_buffer.buffer_alloc, 128,
113 oci->post_proc_buffer.frame_size);
114
115 /* Allocate buffer to store post-processing filter coefficients.
116 *
117 * Note: Round up mb_cols to support SIMD reads
118 */
119 oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1));
120 if (!oci->pp_limits_buffer) goto allocation_fail;
121 #endif
122
123 return 0;
124
125 allocation_fail:
126 vp8_de_alloc_frame_buffers(oci);
127 return 1;
128 }
129
vp8_setup_version(VP8_COMMON * cm)130 void vp8_setup_version(VP8_COMMON *cm) {
131 switch (cm->version) {
132 case 0:
133 cm->no_lpf = 0;
134 cm->filter_type = NORMAL_LOOPFILTER;
135 cm->use_bilinear_mc_filter = 0;
136 cm->full_pixel = 0;
137 break;
138 case 1:
139 cm->no_lpf = 0;
140 cm->filter_type = SIMPLE_LOOPFILTER;
141 cm->use_bilinear_mc_filter = 1;
142 cm->full_pixel = 0;
143 break;
144 case 2:
145 cm->no_lpf = 1;
146 cm->filter_type = NORMAL_LOOPFILTER;
147 cm->use_bilinear_mc_filter = 1;
148 cm->full_pixel = 0;
149 break;
150 case 3:
151 cm->no_lpf = 1;
152 cm->filter_type = SIMPLE_LOOPFILTER;
153 cm->use_bilinear_mc_filter = 1;
154 cm->full_pixel = 1;
155 break;
156 default:
157 /*4,5,6,7 are reserved for future use*/
158 cm->no_lpf = 0;
159 cm->filter_type = NORMAL_LOOPFILTER;
160 cm->use_bilinear_mc_filter = 0;
161 cm->full_pixel = 0;
162 break;
163 }
164 }
vp8_create_common(VP8_COMMON * oci)165 void vp8_create_common(VP8_COMMON *oci) {
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) { vp8_de_alloc_frame_buffers(oci); }
188