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_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 void vp8_de_alloc_frame_buffers(VP8_COMMON *oci) 21 { 22 int i; 23 for (i = 0; i < NUM_YV12_BUFFERS; i++) 24 vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]); 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 vpx_free(oci->pp_limits_buffer); 33 oci->pp_limits_buffer = NULL; 34 #endif 35 36 vpx_free(oci->above_context); 37 vpx_free(oci->mip); 38 #if CONFIG_ERROR_CONCEALMENT 39 vpx_free(oci->prev_mip); 40 oci->prev_mip = NULL; 41 #endif 42 43 oci->above_context = NULL; 44 oci->mip = NULL; 45 } 46 47 int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height) 48 { 49 int i; 50 51 vp8_de_alloc_frame_buffers(oci); 52 53 /* our internal buffers are always multiples of 16 */ 54 if ((width & 0xf) != 0) 55 width += 16 - (width & 0xf); 56 57 if ((height & 0xf) != 0) 58 height += 16 - (height & 0xf); 59 60 61 for (i = 0; i < NUM_YV12_BUFFERS; i++) 62 { 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) 66 goto allocation_fail; 67 } 68 69 oci->new_fb_idx = 0; 70 oci->lst_fb_idx = 1; 71 oci->gld_fb_idx = 2; 72 oci->alt_fb_idx = 3; 73 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; 78 79 if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16, VP8BORDERINPIXELS) < 0) 80 goto allocation_fail; 81 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)); 87 88 if (!oci->mip) 89 goto allocation_fail; 90 91 oci->mi = oci->mip + oci->mode_info_stride + 1; 92 93 /* Allocation of previous mode info will be done in vp8_decode_frame() 94 * as it is a decoder only data */ 95 96 oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1); 97 98 if (!oci->above_context) 99 goto allocation_fail; 100 101 #if CONFIG_POSTPROC 102 if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0) 103 goto allocation_fail; 104 105 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); 109 110 /* Allocate buffer to store post-processing filter coefficients. 111 * 112 * Note: Round up mb_cols to support SIMD reads 113 */ 114 oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1)); 115 if (!oci->pp_limits_buffer) 116 goto allocation_fail; 117 #endif 118 119 return 0; 120 121 allocation_fail: 122 vp8_de_alloc_frame_buffers(oci); 123 return 1; 124 } 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->filter_type = NORMAL_LOOPFILTER; 133 cm->use_bilinear_mc_filter = 0; 134 cm->full_pixel = 0; 135 break; 136 case 1: 137 cm->no_lpf = 0; 138 cm->filter_type = SIMPLE_LOOPFILTER; 139 cm->use_bilinear_mc_filter = 1; 140 cm->full_pixel = 0; 141 break; 142 case 2: 143 cm->no_lpf = 1; 144 cm->filter_type = NORMAL_LOOPFILTER; 145 cm->use_bilinear_mc_filter = 1; 146 cm->full_pixel = 0; 147 break; 148 case 3: 149 cm->no_lpf = 1; 150 cm->filter_type = SIMPLE_LOOPFILTER; 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->filter_type = NORMAL_LOOPFILTER; 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); 166 167 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->filter_type = NORMAL_LOOPFILTER; 173 oci->use_bilinear_mc_filter = 0; 174 oci->full_pixel = 0; 175 oci->multi_token_partition = ONE_PARTITION; 176 oci->clamp_type = RECON_CLAMP_REQUIRED; 177 178 /* Initialize reference frame sign bias structure to defaults */ 179 vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias)); 180 181 /* Default disable buffer to buffer copying */ 182 oci->copy_buffer_to_gf = 0; 183 oci->copy_buffer_to_arf = 0; 184 } 185 186 void vp8_remove_common(VP8_COMMON *oci) 187 { 188 vp8_de_alloc_frame_buffers(oci); 189 } 190
