summaryrefslogtreecommitdiffstats
path: root/media/libvpx/libvpx/vp8/common/alloccommon.c
blob: 722b158c3a0254a1a7f54e78b798ae56d89f9180 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "vpx_config.h"
#include "alloccommon.h"
#include "blockd.h"
#include "vpx_mem/vpx_mem.h"
#include "onyxc_int.h"
#include "findnearmv.h"
#include "entropymode.h"
#include "systemdependent.h"

void vp8_de_alloc_frame_buffers(VP8_COMMON *oci) {
  int i;
  for (i = 0; i < NUM_YV12_BUFFERS; ++i) {
    vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
  }

  vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
#if CONFIG_POSTPROC
  vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);
  if (oci->post_proc_buffer_int_used) {
    vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer_int);
  }

  vpx_free(oci->pp_limits_buffer);
  oci->pp_limits_buffer = NULL;

  vpx_free(oci->postproc_state.generated_noise);
  oci->postproc_state.generated_noise = NULL;
#endif

  vpx_free(oci->above_context);
  vpx_free(oci->mip);
#if CONFIG_ERROR_CONCEALMENT
  vpx_free(oci->prev_mip);
  oci->prev_mip = NULL;
#endif

  oci->above_context = NULL;
  oci->mip = NULL;
}

int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height) {
  int i;

  vp8_de_alloc_frame_buffers(oci);

  /* our internal buffers are always multiples of 16 */
  if ((width & 0xf) != 0) width += 16 - (width & 0xf);

  if ((height & 0xf) != 0) height += 16 - (height & 0xf);

  for (i = 0; i < NUM_YV12_BUFFERS; ++i) {
    oci->fb_idx_ref_cnt[i] = 0;
    oci->yv12_fb[i].flags = 0;
    if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height,
                                    VP8BORDERINPIXELS) < 0) {
      goto allocation_fail;
    }
  }

  oci->new_fb_idx = 0;
  oci->lst_fb_idx = 1;
  oci->gld_fb_idx = 2;
  oci->alt_fb_idx = 3;

  oci->fb_idx_ref_cnt[0] = 1;
  oci->fb_idx_ref_cnt[1] = 1;
  oci->fb_idx_ref_cnt[2] = 1;
  oci->fb_idx_ref_cnt[3] = 1;

  if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16,
                                  VP8BORDERINPIXELS) < 0) {
    goto allocation_fail;
  }

  oci->mb_rows = height >> 4;
  oci->mb_cols = width >> 4;
  oci->MBs = oci->mb_rows * oci->mb_cols;
  oci->mode_info_stride = oci->mb_cols + 1;
  oci->mip =
      vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));

  if (!oci->mip) goto allocation_fail;

  oci->mi = oci->mip + oci->mode_info_stride + 1;

  /* Allocation of previous mode info will be done in vp8_decode_frame()
   * as it is a decoder only data */

  oci->above_context =
      vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);

  if (!oci->above_context) goto allocation_fail;

#if CONFIG_POSTPROC
  if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height,
                                  VP8BORDERINPIXELS) < 0) {
    goto allocation_fail;
  }

  oci->post_proc_buffer_int_used = 0;
  memset(&oci->postproc_state, 0, sizeof(oci->postproc_state));
  memset(oci->post_proc_buffer.buffer_alloc, 128,
         oci->post_proc_buffer.frame_size);

  /* Allocate buffer to store post-processing filter coefficients.
   *
   * Note: Round up mb_cols to support SIMD reads
   */
  oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1));
  if (!oci->pp_limits_buffer) goto allocation_fail;
#endif

  return 0;

allocation_fail:
  vp8_de_alloc_frame_buffers(oci);
  return 1;
}

void vp8_setup_version(VP8_COMMON *cm) {
  switch (cm->version) {
    case 0:
      cm->no_lpf = 0;
      cm->filter_type = NORMAL_LOOPFILTER;
      cm->use_bilinear_mc_filter = 0;
      cm->full_pixel = 0;
      break;
    case 1:
      cm->no_lpf = 0;
      cm->filter_type = SIMPLE_LOOPFILTER;
      cm->use_bilinear_mc_filter = 1;
      cm->full_pixel = 0;
      break;
    case 2:
      cm->no_lpf = 1;
      cm->filter_type = NORMAL_LOOPFILTER;
      cm->use_bilinear_mc_filter = 1;
      cm->full_pixel = 0;
      break;
    case 3:
      cm->no_lpf = 1;
      cm->filter_type = SIMPLE_LOOPFILTER;
      cm->use_bilinear_mc_filter = 1;
      cm->full_pixel = 1;
      break;
    default:
      /*4,5,6,7 are reserved for future use*/
      cm->no_lpf = 0;
      cm->filter_type = NORMAL_LOOPFILTER;
      cm->use_bilinear_mc_filter = 0;
      cm->full_pixel = 0;
      break;
  }
}
void vp8_create_common(VP8_COMMON *oci) {
  vp8_machine_specific_config(oci);

  vp8_init_mbmode_probs(oci);
  vp8_default_bmode_probs(oci->fc.bmode_prob);

  oci->mb_no_coeff_skip = 1;
  oci->no_lpf = 0;
  oci->filter_type = NORMAL_LOOPFILTER;
  oci->use_bilinear_mc_filter = 0;
  oci->full_pixel = 0;
  oci->multi_token_partition = ONE_PARTITION;
  oci->clamp_type = RECON_CLAMP_REQUIRED;

  /* Initialize reference frame sign bias structure to defaults */
  memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));

  /* Default disable buffer to buffer copying */
  oci->copy_buffer_to_gf = 0;
  oci->copy_buffer_to_arf = 0;
}

void vp8_remove_common(VP8_COMMON *oci) { vp8_de_alloc_frame_buffers(oci); }