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 12 #include "vpx_ports/config.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 #include "vpxerrors.h" 20 21 22 extern void vp8_init_scan_order_mask(); 23 24 void vp8_update_mode_info_border(MODE_INFO *mi, int rows, int cols) 25 { 26 int i; 27 vpx_memset(mi - cols - 2, 0, sizeof(MODE_INFO) * (cols + 1)); 28 29 for (i = 0; i < rows; i++) 30 { 31 vpx_memset(&mi[i*cols-1], 0, sizeof(MODE_INFO)); 32 } 33 } 34 35 void vp8_de_alloc_frame_buffers(VP8_COMMON *oci) 36 { 37 int i; 38 39 for (i = 0; i < NUM_YV12_BUFFERS; i++) 40 vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]); 41 42 vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame); 43 vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer); 44 45 vpx_free(oci->above_context); 46 vpx_free(oci->mip); 47 48 oci->above_context = 0; 49 oci->mip = 0; 50 51 } 52 53 int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height) 54 { 55 int i; 56 57 vp8_de_alloc_frame_buffers(oci); 58 59 /* our internal buffers are always multiples of 16 */ 60 if ((width & 0xf) != 0) 61 width += 16 - (width & 0xf); 62 63 if ((height & 0xf) != 0) 64 height += 16 - (height & 0xf); 65 66 67 for (i = 0; i < NUM_YV12_BUFFERS; i++) 68 { 69 oci->fb_idx_ref_cnt[0] = 0; 70 71 if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0) 72 { 73 vp8_de_alloc_frame_buffers(oci); 74 return ALLOC_FAILURE; 75 } 76 } 77 78 oci->new_fb_idx = 0; 79 oci->lst_fb_idx = 1; 80 oci->gld_fb_idx = 2; 81 oci->alt_fb_idx = 3; 82 83 oci->fb_idx_ref_cnt[0] = 1; 84 oci->fb_idx_ref_cnt[1] = 1; 85 oci->fb_idx_ref_cnt[2] = 1; 86 oci->fb_idx_ref_cnt[3] = 1; 87 88 if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16, VP8BORDERINPIXELS) < 0) 89 { 90 vp8_de_alloc_frame_buffers(oci); 91 return ALLOC_FAILURE; 92 } 93 94 if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0) 95 { 96 vp8_de_alloc_frame_buffers(oci); 97 return ALLOC_FAILURE; 98 } 99 100 oci->mb_rows = height >> 4; 101 oci->mb_cols = width >> 4; 102 oci->MBs = oci->mb_rows * oci->mb_cols; 103 oci->mode_info_stride = oci->mb_cols + 1; 104 oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO)); 105 106 if (!oci->mip) 107 { 108 vp8_de_alloc_frame_buffers(oci); 109 return ALLOC_FAILURE; 110 } 111 112 oci->mi = oci->mip + oci->mode_info_stride + 1; 113 114 115 oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1); 116 117 if (!oci->above_context) 118 { 119 vp8_de_alloc_frame_buffers(oci); 120 return ALLOC_FAILURE; 121 } 122 123 vp8_update_mode_info_border(oci->mi, oci->mb_rows, oci->mb_cols); 124 125 return 0; 126 } 127 void vp8_setup_version(VP8_COMMON *cm) 128 { 129 switch (cm->version) 130 { 131 case 0: 132 cm->no_lpf = 0; 133 cm->simpler_lpf = 0; 134 cm->use_bilinear_mc_filter = 0; 135 cm->full_pixel = 0; 136 break; 137 case 1: 138 cm->no_lpf = 0; 139 cm->simpler_lpf = 1; 140 cm->use_bilinear_mc_filter = 1; 141 cm->full_pixel = 0; 142 break; 143 case 2: 144 cm->no_lpf = 1; 145 cm->simpler_lpf = 0; 146 cm->use_bilinear_mc_filter = 1; 147 cm->full_pixel = 0; 148 break; 149 case 3: 150 cm->no_lpf = 1; 151 cm->simpler_lpf = 1; 152 cm->use_bilinear_mc_filter = 1; 153 cm->full_pixel = 1; 154 break; 155 default: 156 /*4,5,6,7 are reserved for future use*/ 157 cm->no_lpf = 0; 158 cm->simpler_lpf = 0; 159 cm->use_bilinear_mc_filter = 0; 160 cm->full_pixel = 0; 161 break; 162 } 163 } 164 void vp8_create_common(VP8_COMMON *oci) 165 { 166 vp8_machine_specific_config(oci); 167 vp8_default_coef_probs(oci); 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->simpler_lpf = 0; 174 oci->use_bilinear_mc_filter = 0; 175 oci->full_pixel = 0; 176 oci->multi_token_partition = ONE_PARTITION; 177 oci->clr_type = REG_YUV; 178 oci->clamp_type = RECON_CLAMP_REQUIRED; 179 180 /* Initialise reference frame sign bias structure to defaults */ 181 vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias)); 182 183 /* Default disable buffer to buffer copying */ 184 oci->copy_buffer_to_gf = 0; 185 oci->copy_buffer_to_arf = 0; 186 } 187 188 void vp8_remove_common(VP8_COMMON *oci) 189 { 190 vp8_de_alloc_frame_buffers(oci); 191 } 192 193 void vp8_initialize_common() 194 { 195 vp8_coef_tree_initialize(); 196 197 vp8_entropy_mode_init(); 198 199 vp8_init_scan_order_mask(); 200 201 } 202
