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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