2
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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.
12
#include "vpx_config.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"
20
void vp8_de_alloc_frame_buffers(VP8_COMMON *oci)
23
for (i = 0; i < NUM_YV12_BUFFERS; i++)
24
vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
26
vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
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);
32
vpx_free(oci->pp_limits_buffer);
33
oci->pp_limits_buffer = NULL;
36
vpx_free(oci->above_context);
38
#if CONFIG_ERROR_CONCEALMENT
39
vpx_free(oci->prev_mip);
43
oci->above_context = NULL;
47
int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height)
51
vp8_de_alloc_frame_buffers(oci);
53
/* our internal buffers are always multiples of 16 */
54
if ((width & 0xf) != 0)
55
width += 16 - (width & 0xf);
57
if ((height & 0xf) != 0)
58
height += 16 - (height & 0xf);
61
for (i = 0; i < NUM_YV12_BUFFERS; i++)
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)
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;
79
if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16, VP8BORDERINPIXELS) < 0)
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));
91
oci->mi = oci->mip + oci->mode_info_stride + 1;
93
/* Allocation of previous mode info will be done in vp8_decode_frame()
94
* as it is a decoder only data */
96
oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
98
if (!oci->above_context)
102
if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0)
103
goto allocation_fail;
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);
110
/* Allocate buffer to store post-processing filter coefficients.
112
* Note: Round up mb_cols to support SIMD reads
114
oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1));
115
if (!oci->pp_limits_buffer)
116
goto allocation_fail;
122
vp8_de_alloc_frame_buffers(oci);
126
void vp8_setup_version(VP8_COMMON *cm)
132
cm->filter_type = NORMAL_LOOPFILTER;
133
cm->use_bilinear_mc_filter = 0;
138
cm->filter_type = SIMPLE_LOOPFILTER;
139
cm->use_bilinear_mc_filter = 1;
144
cm->filter_type = NORMAL_LOOPFILTER;
145
cm->use_bilinear_mc_filter = 1;
150
cm->filter_type = SIMPLE_LOOPFILTER;
151
cm->use_bilinear_mc_filter = 1;
155
/*4,5,6,7 are reserved for future use*/
157
cm->filter_type = NORMAL_LOOPFILTER;
158
cm->use_bilinear_mc_filter = 0;
163
void vp8_create_common(VP8_COMMON *oci)
165
vp8_machine_specific_config(oci);
167
vp8_init_mbmode_probs(oci);
168
vp8_default_bmode_probs(oci->fc.bmode_prob);
170
oci->mb_no_coeff_skip = 1;
172
oci->filter_type = NORMAL_LOOPFILTER;
173
oci->use_bilinear_mc_filter = 0;
175
oci->multi_token_partition = ONE_PARTITION;
176
oci->clamp_type = RECON_CLAMP_REQUIRED;
178
/* Initialize reference frame sign bias structure to defaults */
179
vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));
181
/* Default disable buffer to buffer copying */
182
oci->copy_buffer_to_gf = 0;
183
oci->copy_buffer_to_arf = 0;
186
void vp8_remove_common(VP8_COMMON *oci)
188
vp8_de_alloc_frame_buffers(oci);