Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2015 The Android Open Source Project |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ***************************************************************************** |
| 18 | * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| 19 | */ |
| 20 | #include "ih264_typedefs.h" |
| 21 | #include "ih264_macros.h" |
| 22 | #include "ih264_platform_macros.h" |
| 23 | #include "ih264d_bitstrm.h" |
| 24 | #include "ih264d_structs.h" |
| 25 | #include "ih264d_parse_cavlc.h" |
| 26 | #include "ih264d_defs.h" |
| 27 | #include "ih264d_defs.h" |
| 28 | #include "ih264d_defs.h" |
| 29 | |
| 30 | #include "ih264d_parse_slice.h" |
| 31 | #include "ih264d_tables.h" |
| 32 | #include "ih264d_utils.h" |
| 33 | #include "ih264d_nal.h" |
| 34 | #include "ih264d_deblocking.h" |
| 35 | |
| 36 | #include "ih264d_mem_request.h" |
| 37 | #include "ih264d_debug.h" |
| 38 | |
| 39 | #include "ih264d_error_handler.h" |
| 40 | #include "ih264d_mb_utils.h" |
| 41 | #include "ih264d_sei.h" |
| 42 | #include "ih264d_vui.h" |
| 43 | #include "ih264d_tables.h" |
| 44 | |
| 45 | #define IDCT_BLOCK_WIDTH8X8 8 |
| 46 | |
| 47 | void ih264d_scaling_list(WORD16 *pi2_scaling_list, |
| 48 | WORD32 i4_size_of_scalinglist, |
| 49 | UWORD8 *pu1_use_default_scaling_matrix_flag, |
| 50 | dec_bit_stream_t *ps_bitstrm) |
| 51 | { |
| 52 | WORD32 i4_j, i4_delta_scale, i4_lastScale = 8, i4_nextScale = 8; |
| 53 | UWORD32 *pu4_bitstrm_buf = ps_bitstrm->pu4_buffer; |
| 54 | UWORD32 *pu4_bitstrm_ofst = &ps_bitstrm->u4_ofst; |
| 55 | |
| 56 | *pu1_use_default_scaling_matrix_flag = 0; |
| 57 | |
| 58 | for(i4_j = 0; i4_j < i4_size_of_scalinglist; i4_j++) |
| 59 | { |
| 60 | if(i4_nextScale != 0) |
| 61 | { |
| 62 | i4_delta_scale = ih264d_sev(pu4_bitstrm_ofst, |
| 63 | pu4_bitstrm_buf); |
| 64 | |
| 65 | i4_nextScale = ((i4_lastScale + i4_delta_scale + 256) & 0xff); |
| 66 | |
| 67 | *pu1_use_default_scaling_matrix_flag = ((i4_j == 0) |
| 68 | && (i4_nextScale == 0)); |
| 69 | |
| 70 | } |
| 71 | pi2_scaling_list[i4_j] = |
| 72 | (i4_nextScale == 0) ? (i4_lastScale) : (i4_nextScale); |
| 73 | i4_lastScale = pi2_scaling_list[i4_j]; |
| 74 | } |
| 75 | } |
| 76 | |
S Hamsalekha | f28de03 | 2018-12-27 13:57:55 +0530 | [diff] [blame] | 77 | WORD32 ih264d_form_default_scaling_matrix(dec_struct_t *ps_dec) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 78 | { |
| 79 | |
| 80 | /*************************************************************************/ |
| 81 | /* perform the inverse scanning for the frame and field scaling matrices */ |
| 82 | /*************************************************************************/ |
| 83 | { |
| 84 | UWORD8 *pu1_inv_scan; |
| 85 | WORD32 i4_i, i4_j; |
| 86 | |
| 87 | pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan; |
| 88 | |
| 89 | /* for all 4x4 matrices */ |
| 90 | for(i4_i = 0; i4_i < 6; i4_i++) |
| 91 | { |
| 92 | for(i4_j = 0; i4_j < 16; i4_j++) |
| 93 | { |
| 94 | ps_dec->s_high_profile.i2_scalinglist4x4[i4_i][pu1_inv_scan[i4_j]] = |
| 95 | 16; |
| 96 | |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | /* for all 8x8 matrices */ |
| 101 | for(i4_i = 0; i4_i < 2; i4_i++) |
| 102 | { |
| 103 | for(i4_j = 0; i4_j < 64; i4_j++) |
| 104 | { |
| 105 | ps_dec->s_high_profile.i2_scalinglist8x8[i4_i][gau1_ih264d_inv_scan_prog8x8_cabac[i4_j]] = |
| 106 | 16; |
| 107 | |
| 108 | } |
| 109 | } |
| 110 | } |
S Hamsalekha | f28de03 | 2018-12-27 13:57:55 +0530 | [diff] [blame] | 111 | return OK; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 112 | } |
| 113 | |
S Hamsalekha | f28de03 | 2018-12-27 13:57:55 +0530 | [diff] [blame] | 114 | WORD32 ih264d_form_scaling_matrix_picture(dec_seq_params_t *ps_seq, |
| 115 | dec_pic_params_t *ps_pic, |
| 116 | dec_struct_t *ps_dec) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 117 | { |
| 118 | /* default scaling matrices */ |
| 119 | WORD32 i4_i; |
| 120 | |
| 121 | /* check the SPS first */ |
| 122 | if(ps_seq->i4_seq_scaling_matrix_present_flag) |
| 123 | { |
| 124 | for(i4_i = 0; i4_i < 8; i4_i++) |
| 125 | { |
| 126 | if(i4_i < 6) |
| 127 | { |
| 128 | /* fall-back rule A */ |
| 129 | if(!ps_seq->u1_seq_scaling_list_present_flag[i4_i]) |
| 130 | { |
| 131 | if((i4_i == 0) || (i4_i == 3)) |
| 132 | { |
| 133 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 134 | (i4_i == 0) ? (WORD16 *)(gai2_ih264d_default_intra4x4) : (WORD16 *)(gai2_ih264d_default_inter4x4); |
| 135 | } |
| 136 | else |
| 137 | { |
| 138 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 139 | ps_dec->s_high_profile.pi2_scale_mat[i4_i |
| 140 | - 1]; |
| 141 | } |
| 142 | } |
| 143 | else |
| 144 | { |
| 145 | if(ps_seq->u1_use_default_scaling_matrix_flag[i4_i]) |
| 146 | { |
| 147 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 148 | (i4_i < 3) ? (WORD16 *)(gai2_ih264d_default_intra4x4) : (WORD16 *)(gai2_ih264d_default_inter4x4); |
| 149 | } |
| 150 | else |
| 151 | { |
| 152 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 153 | ps_seq->i2_scalinglist4x4[i4_i]; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | } |
| 158 | else |
| 159 | { |
| 160 | /* fall-back rule A */ |
| 161 | if((!ps_seq->u1_seq_scaling_list_present_flag[i4_i]) |
| 162 | || (ps_seq->u1_use_default_scaling_matrix_flag[i4_i])) |
| 163 | { |
| 164 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 165 | (i4_i == 6) ? ((WORD16*)gai2_ih264d_default_intra8x8) : ((WORD16*)gai2_ih264d_default_inter8x8); |
| 166 | } |
| 167 | else |
| 168 | { |
| 169 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 170 | ps_seq->i2_scalinglist8x8[i4_i - 6]; |
| 171 | } |
| 172 | } |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | /* checking for the PPS */ |
| 177 | |
| 178 | if(ps_pic->i4_pic_scaling_matrix_present_flag) |
| 179 | { |
| 180 | for(i4_i = 0; i4_i < 8; i4_i++) |
| 181 | { |
| 182 | if(i4_i < 6) |
| 183 | { |
| 184 | /* fall back rule B */ |
| 185 | if(!ps_pic->u1_pic_scaling_list_present_flag[i4_i]) |
| 186 | { |
| 187 | if((i4_i == 0) || (i4_i == 3)) |
| 188 | { |
| 189 | if(!ps_seq->i4_seq_scaling_matrix_present_flag) |
| 190 | { |
| 191 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 192 | (i4_i == 0) ? (WORD16 *)(gai2_ih264d_default_intra4x4) : (WORD16 *)(gai2_ih264d_default_inter4x4); |
| 193 | } |
| 194 | } |
| 195 | else |
| 196 | { |
| 197 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 198 | ps_dec->s_high_profile.pi2_scale_mat[i4_i |
| 199 | - 1]; |
| 200 | } |
| 201 | } |
| 202 | else |
| 203 | { |
| 204 | if(ps_pic->u1_pic_use_default_scaling_matrix_flag[i4_i]) |
| 205 | { |
| 206 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 207 | (i4_i < 3) ? (WORD16 *)(gai2_ih264d_default_intra4x4) : (WORD16 *)(gai2_ih264d_default_inter4x4); |
| 208 | } |
| 209 | else |
| 210 | { |
| 211 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 212 | ps_pic->i2_pic_scalinglist4x4[i4_i]; |
| 213 | } |
| 214 | } |
| 215 | } |
| 216 | else |
| 217 | { |
| 218 | if(!ps_pic->u1_pic_scaling_list_present_flag[i4_i]) |
| 219 | { |
S Hamsalekha | f28de03 | 2018-12-27 13:57:55 +0530 | [diff] [blame] | 220 | if(!ps_seq->i4_seq_scaling_matrix_present_flag) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 221 | { |
| 222 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 223 | (i4_i == 6) ? ((WORD16*)gai2_ih264d_default_intra8x8) : ((WORD16*)gai2_ih264d_default_inter8x8); |
| 224 | } |
| 225 | } |
| 226 | else |
| 227 | { |
| 228 | if(ps_pic->u1_pic_use_default_scaling_matrix_flag[i4_i]) |
| 229 | { |
| 230 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 231 | (i4_i == 6) ? (WORD16 *)(gai2_ih264d_default_intra8x8) : (WORD16 *)(gai2_ih264d_default_inter8x8); |
| 232 | } |
| 233 | else |
| 234 | { |
| 235 | ps_dec->s_high_profile.pi2_scale_mat[i4_i] = |
| 236 | ps_pic->i2_pic_scalinglist8x8[i4_i - 6]; |
| 237 | } |
| 238 | } |
| 239 | } |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | /*************************************************************************/ |
| 244 | /* perform the inverse scanning for the frame and field scaling matrices */ |
| 245 | /*************************************************************************/ |
| 246 | { |
| 247 | UWORD8 *pu1_inv_scan_4x4; |
| 248 | WORD32 i4_i, i4_j; |
| 249 | |
| 250 | pu1_inv_scan_4x4 = (UWORD8 *)gau1_ih264d_inv_scan; |
| 251 | |
| 252 | /* for all 4x4 matrices */ |
| 253 | for(i4_i = 0; i4_i < 6; i4_i++) |
| 254 | { |
S Hamsalekha | f28de03 | 2018-12-27 13:57:55 +0530 | [diff] [blame] | 255 | if(ps_dec->s_high_profile.pi2_scale_mat[i4_i] == NULL) |
| 256 | return ERROR_CORRUPTED_SLICE; |
| 257 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 258 | for(i4_j = 0; i4_j < 16; i4_j++) |
| 259 | { |
| 260 | ps_dec->s_high_profile.i2_scalinglist4x4[i4_i][pu1_inv_scan_4x4[i4_j]] = |
| 261 | ps_dec->s_high_profile.pi2_scale_mat[i4_i][i4_j]; |
| 262 | |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | /* for all 8x8 matrices */ |
| 267 | for(i4_i = 0; i4_i < 2; i4_i++) |
| 268 | { |
S Hamsalekha | f28de03 | 2018-12-27 13:57:55 +0530 | [diff] [blame] | 269 | if(ps_dec->s_high_profile.pi2_scale_mat[i4_i + 6] == NULL) |
| 270 | return ERROR_CORRUPTED_SLICE; |
| 271 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 272 | for(i4_j = 0; i4_j < 64; i4_j++) |
| 273 | { |
| 274 | ps_dec->s_high_profile.i2_scalinglist8x8[i4_i][gau1_ih264d_inv_scan_prog8x8_cabac[i4_j]] = |
| 275 | ps_dec->s_high_profile.pi2_scale_mat[i4_i + 6][i4_j]; |
| 276 | |
| 277 | } |
| 278 | } |
| 279 | } |
S Hamsalekha | f28de03 | 2018-12-27 13:57:55 +0530 | [diff] [blame] | 280 | return OK; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 281 | } |
| 282 | |