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 "alloccommon.h" 14#include "blockd.h" 15#include "vpx_mem/vpx_mem.h" 16#include "onyxc_int.h" 17#include "findnearmv.h" 18#include "entropymode.h" 19#include "systemdependent.h" 20 21void vp8_de_alloc_frame_buffers(VP8_COMMON *oci) 22{ 23 int i; 24 for (i = 0; i < NUM_YV12_BUFFERS; i++) 25 vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]); 26 27 vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame); 28#if CONFIG_POSTPROC 29 vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer); 30 if (oci->post_proc_buffer_int_used) 31 vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer_int); 32 33 vpx_free(oci->pp_limits_buffer); 34 oci->pp_limits_buffer = NULL; 35#endif 36 37 vpx_free(oci->above_context); 38 vpx_free(oci->mip); 39#if CONFIG_ERROR_CONCEALMENT 40 vpx_free(oci->prev_mip); 41 oci->prev_mip = NULL; 42#endif 43 44 oci->above_context = NULL; 45 oci->mip = NULL; 46} 47 48int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height) 49{ 50 int i; 51 52 vp8_de_alloc_frame_buffers(oci); 53 54 /* our internal buffers are always multiples of 16 */ 55 if ((width & 0xf) != 0) 56 width += 16 - (width & 0xf); 57 58 if ((height & 0xf) != 0) 59 height += 16 - (height & 0xf); 60 61 62 for (i = 0; i < NUM_YV12_BUFFERS; i++) 63 { 64 oci->fb_idx_ref_cnt[i] = 0; 65 oci->yv12_fb[i].flags = 0; 66 if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height, VP8BORDERINPIXELS) < 0) 67 goto allocation_fail; 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, VP8BORDERINPIXELS) < 0) 81 goto allocation_fail; 82 83 oci->mb_rows = height >> 4; 84 oci->mb_cols = width >> 4; 85 oci->MBs = oci->mb_rows * oci->mb_cols; 86 oci->mode_info_stride = oci->mb_cols + 1; 87 oci->mip = vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO)); 88 89 if (!oci->mip) 90 goto allocation_fail; 91 92 oci->mi = oci->mip + oci->mode_info_stride + 1; 93 94 /* Allocation of previous mode info will be done in vp8_decode_frame() 95 * as it is a decoder only data */ 96 97 oci->above_context = vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1); 98 99 if (!oci->above_context) 100 goto allocation_fail; 101 102#if CONFIG_POSTPROC 103 if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height, VP8BORDERINPIXELS) < 0) 104 goto allocation_fail; 105 106 oci->post_proc_buffer_int_used = 0; 107 memset(&oci->postproc_state, 0, sizeof(oci->postproc_state)); 108 memset(oci->post_proc_buffer.buffer_alloc, 128, 109 oci->post_proc_buffer.frame_size); 110 111 /* Allocate buffer to store post-processing filter coefficients. 112 * 113 * Note: Round up mb_cols to support SIMD reads 114 */ 115 oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1)); 116 if (!oci->pp_limits_buffer) 117 goto allocation_fail; 118#endif 119 120 return 0; 121 122allocation_fail: 123 vp8_de_alloc_frame_buffers(oci); 124 return 1; 125} 126 127void vp8_setup_version(VP8_COMMON *cm) 128{ 129 switch (cm->version) 130 { 131 case 0: 132 cm->no_lpf = 0; 133 cm->filter_type = NORMAL_LOOPFILTER; 134 cm->use_bilinear_mc_filter = 0; 135 cm->full_pixel = 0; 136 break; 137 case 1: 138 cm->no_lpf = 0; 139 cm->filter_type = SIMPLE_LOOPFILTER; 140 cm->use_bilinear_mc_filter = 1; 141 cm->full_pixel = 0; 142 break; 143 case 2: 144 cm->no_lpf = 1; 145 cm->filter_type = NORMAL_LOOPFILTER; 146 cm->use_bilinear_mc_filter = 1; 147 cm->full_pixel = 0; 148 break; 149 case 3: 150 cm->no_lpf = 1; 151 cm->filter_type = SIMPLE_LOOPFILTER; 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->filter_type = NORMAL_LOOPFILTER; 159 cm->use_bilinear_mc_filter = 0; 160 cm->full_pixel = 0; 161 break; 162 } 163} 164void vp8_create_common(VP8_COMMON *oci) 165{ 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 187void vp8_remove_common(VP8_COMMON *oci) 188{ 189 vp8_de_alloc_frame_buffers(oci); 190} 191