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 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 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 } 129 130 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 } 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 } 186 187 void vp8_remove_common(VP8_COMMON *oci) { vp8_de_alloc_frame_buffers(oci); } 188
