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 20 21 extern void vp8_init_scan_order_mask(); 22 23 static void update_mode_info_border(MODE_INFO *mi, int rows, int cols) 24 { 25 int i; 26 vpx_memset(mi - cols - 2, 0, sizeof(MODE_INFO) * (cols + 1)); 27 28 for (i = 0; i < rows; i++) 29 { 30 vpx_memset(&mi[i*cols-1], 0, sizeof(MODE_INFO)); 31 } 32 } 33 34 void vp8_de_alloc_frame_buffers(VP8_COMMON *oci) 35 { 36 int i; 37 38 for (i = 0; i < NUM_YV12_BUFFERS; i++) 39 vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]); 40 41 vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame); 42 vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer); 43 44 vpx_free(oci->above_context); 45 vpx_free(oci->mip); 46 47 oci->above_context = 0; 48 oci->mip = 0; 49 50 } 51 52 int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height) 53 { 54 int i; 55 56 vp8_de_alloc_frame_buffers(oci); 57 58 /* our internal buffers are always multiples of 16 */ 59 if ((width & 0xf) != 0) 60 width += 16 - (width & 0xf); 61 62 if ((height & 0xf) != 0) 63 height += 16 - (height & 0xf); 64 65 66 for (i = 0; i < NUM_YV12_BUFFERS; i++) 67 { 68 oci->fb_idx_ref_cnt[0] = 0; 69 70 if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0) 71 { 72 vp8_de_alloc_frame_buffers(oci); 73 return 1; 74 } 75 } 76 77 oci->new_fb_idx = 0; 78 oci->lst_fb_idx = 1; 79 oci->gld_fb_idx = 2; 80 oci->alt_fb_idx = 3; 81 82 oci->fb_idx_ref_cnt[0] = 1; 83 oci->fb_idx_ref_cnt[1] = 1; 84 oci->fb_idx_ref_cnt[2] = 1; 85 oci->fb_idx_ref_cnt[3] = 1; 86 87 if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16, VP8BORDERINPIXELS) < 0) 88 { 89 vp8_de_alloc_frame_buffers(oci); 90 return 1; 91 } 92 93 if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0) 94 { 95 vp8_de_alloc_frame_buffers(oci); 96 return 1; 97 } 98 99 oci->mb_rows = height >> 4; 100 oci->mb_cols = width >> 4; 101 oci->MBs = oci->mb_rows * oci->mb_cols; 102 oci->mode_info_stride = oci->mb_cols + 1; 103 oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO)); 104 105 if (!oci->mip) 106 { 107 vp8_de_alloc_frame_buffers(oci); 108 return 1; 109 } 110 111 oci->mi = oci->mip + oci->mode_info_stride + 1; 112 113 114 oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1); 115 116 if (!oci->above_context) 117 { 118 vp8_de_alloc_frame_buffers(oci); 119 return 1; 120 } 121 122 update_mode_info_border(oci->mi, oci->mb_rows, oci->mb_cols); 123 124 return 0; 125 } 126 void vp8_setup_version(VP8_COMMON *cm) 127 { 128 switch (cm->version) 129 { 130 case 0: 131 cm->no_lpf = 0; 132 cm->simpler_lpf = 0; 133 cm->use_bilinear_mc_filter = 0; 134 cm->full_pixel = 0; 135 break; 136 case 1: 137 cm->no_lpf = 0; 138 cm->simpler_lpf = 1; 139 cm->use_bilinear_mc_filter = 1; 140 cm->full_pixel = 0; 141 break; 142 case 2: 143 cm->no_lpf = 1; 144 cm->simpler_lpf = 0; 145 cm->use_bilinear_mc_filter = 1; 146 cm->full_pixel = 0; 147 break; 148 case 3: 149 cm->no_lpf = 1; 150 cm->simpler_lpf = 1; 151 cm->use_bilinear_mc_filter = 1; 152 cm->full_pixel = 1; 153 break; 154 default: 155 /*4,5,6,7 are reserved for future use*/ 156 cm->no_lpf = 0; 157 cm->simpler_lpf = 0; 158 cm->use_bilinear_mc_filter = 0; 159 cm->full_pixel = 0; 160 break; 161 } 162 } 163 void vp8_create_common(VP8_COMMON *oci) 164 { 165 vp8_machine_specific_config(oci); 166 vp8_default_coef_probs(oci); 167 vp8_init_mbmode_probs(oci); 168 vp8_default_bmode_probs(oci->fc.bmode_prob); 169 170 oci->mb_no_coeff_skip = 1; 171 oci->no_lpf = 0; 172 oci->simpler_lpf = 0; 173 oci->use_bilinear_mc_filter = 0; 174 oci->full_pixel = 0; 175 oci->multi_token_partition = ONE_PARTITION; 176 oci->clr_type = REG_YUV; 177 oci->clamp_type = RECON_CLAMP_REQUIRED; 178 179 /* Initialise reference frame sign bias structure to defaults */ 180 vpx_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 } 186 187 void vp8_remove_common(VP8_COMMON *oci) 188 { 189 vp8_de_alloc_frame_buffers(oci); 190 } 191 192 void vp8_initialize_common() 193 { 194 vp8_coef_tree_initialize(); 195 196 vp8_entropy_mode_init(); 197 198 vp8_init_scan_order_mask(); 199 200 } 201
