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);
33 vpx_free(oci->above_context);
35 #if CONFIG_ERROR_CONCEALMENT
36 vpx_free(oci->prev_mip);
40 oci->above_context = NULL;
44 int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height)
48 vp8_de_alloc_frame_buffers(oci);
50 /* our internal buffers are always multiples of 16 */
51 if ((width & 0xf) != 0)
52 width += 16 - (width & 0xf);
54 if ((height & 0xf) != 0)
55 height += 16 - (height & 0xf);
58 for (i = 0; i < NUM_YV12_BUFFERS; i++)
60 oci->fb_idx_ref_cnt[i] = 0;
61 oci->yv12_fb[i].flags = 0;
62 if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0)
64 vp8_de_alloc_frame_buffers(oci);
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)
81 vp8_de_alloc_frame_buffers(oci);
86 if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0)
88 vp8_de_alloc_frame_buffers(oci);
92 oci->post_proc_buffer_int_used = 0;
93 vpx_memset(&oci->postproc_state, 0, sizeof(oci->postproc_state));
94 vpx_memset((&oci->post_proc_buffer)->buffer_alloc,128,(&oci->post_proc_buffer)->frame_size);
97 oci->mb_rows = height >> 4;
98 oci->mb_cols = width >> 4;
99 oci->MBs = oci->mb_rows * oci->mb_cols;
100 oci->mode_info_stride = oci->mb_cols + 1;
101 oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
105 vp8_de_alloc_frame_buffers(oci);
109 oci->mi = oci->mip + oci->mode_info_stride + 1;
111 /* Allocation of previous mode info will be done in vp8_decode_frame()
112 * as it is a decoder only data */
114 oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
116 if (!oci->above_context)
118 vp8_de_alloc_frame_buffers(oci);
124 void vp8_setup_version(VP8_COMMON *cm)
130 cm->filter_type = NORMAL_LOOPFILTER;
131 cm->use_bilinear_mc_filter = 0;
136 cm->filter_type = SIMPLE_LOOPFILTER;
137 cm->use_bilinear_mc_filter = 1;
142 cm->filter_type = NORMAL_LOOPFILTER;
143 cm->use_bilinear_mc_filter = 1;
148 cm->filter_type = SIMPLE_LOOPFILTER;
149 cm->use_bilinear_mc_filter = 1;
153 /*4,5,6,7 are reserved for future use*/
155 cm->filter_type = NORMAL_LOOPFILTER;
156 cm->use_bilinear_mc_filter = 0;
161 void vp8_create_common(VP8_COMMON *oci)
163 vp8_machine_specific_config(oci);
165 vp8_init_mbmode_probs(oci);
166 vp8_default_bmode_probs(oci->fc.bmode_prob);
168 oci->mb_no_coeff_skip = 1;
170 oci->filter_type = NORMAL_LOOPFILTER;
171 oci->use_bilinear_mc_filter = 0;
173 oci->multi_token_partition = ONE_PARTITION;
174 oci->clr_type = REG_YUV;
175 oci->clamp_type = RECON_CLAMP_REQUIRED;
177 /* Initialize reference frame sign bias structure to defaults */
178 vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));
180 /* Default disable buffer to buffer copying */
181 oci->copy_buffer_to_gf = 0;
182 oci->copy_buffer_to_arf = 0;
185 void vp8_remove_common(VP8_COMMON *oci)
187 vp8_de_alloc_frame_buffers(oci);