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 | /*! |
| 21 | ************************************************************************** |
| 22 | * \file ih264d_mb_utils.c |
| 23 | * |
| 24 | * \brief |
| 25 | * Contains utitlity functions needed for Macroblock decoding |
| 26 | * |
| 27 | * \date |
| 28 | * 18/12/2002 |
| 29 | * |
| 30 | * \author AI |
| 31 | ************************************************************************** |
| 32 | */ |
| 33 | #include <string.h> |
| 34 | #include <stdlib.h> |
| 35 | #include "ih264d_bitstrm.h" |
| 36 | #include "ih264d_defs.h" |
| 37 | #include "ih264d_debug.h" |
| 38 | #include "ih264d_structs.h" |
| 39 | #include "ih264d_defs.h" |
| 40 | #include "ih264d_mb_utils.h" |
| 41 | #include "ih264d_parse_slice.h" |
| 42 | #include "ih264d_error_handler.h" |
| 43 | #include "ih264d_parse_mb_header.h" |
| 44 | #include "ih264d_cabac.h" |
| 45 | #include "ih264d_defs.h" |
| 46 | #include "ih264d_tables.h" |
| 47 | |
| 48 | /*****************************************************************************/ |
| 49 | /* */ |
| 50 | /* Function Name : get_mb_info_cavlc */ |
| 51 | /* */ |
| 52 | /* Description : This function sets the following information of cur MB */ |
| 53 | /* (a) mb_x and mb_y */ |
| 54 | /* (b) Neighbour availablity */ |
| 55 | /* (c) Macroblock location in the frame buffer */ |
| 56 | /* (e) For mbaff predicts field/frame u4_flag for topMb */ |
| 57 | /* and sets the field/frame for botMb. This is */ |
| 58 | /* written in ps_dec->u1_cur_mb_fld_dec_flag */ |
| 59 | /* */ |
| 60 | /* Inputs : pointer to decstruct */ |
| 61 | /* pointer to current mb info */ |
| 62 | /* currentMbaddress */ |
| 63 | /* */ |
| 64 | /* Processing : leftMb and TopMb params are used by DecMbskip and */ |
| 65 | /* DecCtxMbfield modules so that these modules do not */ |
| 66 | /* check for neigbour availability and then find the */ |
| 67 | /* neigbours for context increments */ |
| 68 | /* */ |
| 69 | /* Returns : OK */ |
| 70 | /* */ |
| 71 | /* Issues : <List any issues or problems with this function> */ |
| 72 | /* */ |
| 73 | /* Revision History: */ |
| 74 | /* */ |
| 75 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 76 | /* 13 07 2002 Jay Draft */ |
| 77 | /* */ |
| 78 | /*****************************************************************************/ |
| 79 | |
| 80 | UWORD32 ih264d_get_mb_info_cavlc_nonmbaff(dec_struct_t *ps_dec, |
| 81 | const UWORD16 u2_cur_mb_address, |
| 82 | dec_mb_info_t * ps_cur_mb_info, |
| 83 | UWORD32 u4_mbskip_run) |
| 84 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 85 | WORD32 mb_x; |
| 86 | WORD32 mb_y; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 87 | UWORD8 u1_mb_ngbr_avail = 0; |
| 88 | UWORD16 u2_frm_width_in_mb = ps_dec->u2_frm_wd_in_mbs; |
| 89 | WORD16 i2_prev_slice_mbx = ps_dec->i2_prev_slice_mbx; |
| 90 | UWORD16 u2_top_right_mask = TOP_RIGHT_DEFAULT_AVAILABLE; |
| 91 | UWORD16 u2_top_left_mask = TOP_LEFT_DEFAULT_AVAILABLE; |
| 92 | UNUSED(u4_mbskip_run); |
| 93 | /*--------------------------------------------------------------------*/ |
| 94 | /* Calculate values of mb_x and mb_y */ |
| 95 | /*--------------------------------------------------------------------*/ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 96 | mb_x = (WORD16)ps_dec->u2_mbx; |
| 97 | mb_y = (WORD16)ps_dec->u2_mby; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 98 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 99 | ps_dec->u2_cur_mb_addr = u2_cur_mb_address; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 100 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 101 | mb_x++; |
| 102 | |
| 103 | if(mb_x == u2_frm_width_in_mb) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 104 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 105 | mb_x = 0; |
| 106 | mb_y++; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 107 | } |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 108 | if(mb_y > ps_dec->i2_prev_slice_mby) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 109 | { |
| 110 | /* if not in the immemdiate row of prev slice end then top |
| 111 | will be available */ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 112 | if(mb_y > (ps_dec->i2_prev_slice_mby + 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 113 | i2_prev_slice_mbx = -1; |
| 114 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 115 | if(mb_x > i2_prev_slice_mbx) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 116 | { |
| 117 | u1_mb_ngbr_avail |= TOP_MB_AVAILABLE_MASK; |
| 118 | u2_top_right_mask |= TOP_RIGHT_TOP_AVAILABLE; |
| 119 | u2_top_left_mask |= TOP_LEFT_TOP_AVAILABLE; |
| 120 | } |
| 121 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 122 | if((mb_x > (i2_prev_slice_mbx - 1)) |
| 123 | && (mb_x != (u2_frm_width_in_mb - 1))) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 124 | { |
| 125 | u1_mb_ngbr_avail |= TOP_RIGHT_MB_AVAILABLE_MASK; |
| 126 | u2_top_right_mask |= TOP_RIGHT_TOPR_AVAILABLE; |
| 127 | } |
| 128 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 129 | if(mb_x > (i2_prev_slice_mbx + 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 130 | { |
| 131 | u1_mb_ngbr_avail |= TOP_LEFT_MB_AVAILABLE_MASK; |
| 132 | u2_top_left_mask |= TOP_LEFT_TOPL_AVAILABLE; |
| 133 | } |
| 134 | |
| 135 | /* Next row Left will be available*/ |
| 136 | i2_prev_slice_mbx = -1; |
| 137 | } |
| 138 | |
| 139 | /* Same row */ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 140 | if(mb_x > (i2_prev_slice_mbx + 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 141 | { |
| 142 | u1_mb_ngbr_avail |= LEFT_MB_AVAILABLE_MASK; |
| 143 | u2_top_left_mask |= TOP_LEFT_LEFT_AVAILABLE; |
| 144 | } |
| 145 | |
| 146 | { |
| 147 | mb_neigbour_params_t *ps_cur_mb_row = ps_dec->ps_cur_mb_row; |
| 148 | mb_neigbour_params_t *ps_top_mb_row = ps_dec->ps_top_mb_row; |
| 149 | |
| 150 | /* copy the parameters of topleft Mb */ |
| 151 | ps_cur_mb_info->u1_topleft_mbtype = ps_dec->u1_topleft_mbtype; |
| 152 | /* Neighbour pointer assignments*/ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 153 | ps_cur_mb_info->ps_curmb = ps_cur_mb_row + mb_x; |
| 154 | ps_cur_mb_info->ps_left_mb = ps_cur_mb_row + mb_x - 1; |
| 155 | ps_cur_mb_info->ps_top_mb = ps_top_mb_row + mb_x; |
| 156 | ps_cur_mb_info->ps_top_right_mb = ps_top_mb_row + mb_x + 1; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 157 | |
| 158 | /* Update the parameters of topleftmb*/ |
| 159 | ps_dec->u1_topleft_mbtype = ps_cur_mb_info->ps_top_mb->u1_mb_type; |
| 160 | } |
| 161 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 162 | ps_dec->u2_mby = mb_y; |
| 163 | ps_dec->u2_mbx = mb_x; |
| 164 | ps_cur_mb_info->u2_mbx = mb_x; |
| 165 | ps_cur_mb_info->u2_mby = mb_y; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 166 | ps_cur_mb_info->u1_topmb = 1; |
| 167 | ps_dec->i4_submb_ofst += SUB_BLK_SIZE; |
| 168 | ps_dec->u1_mb_ngbr_availablity = u1_mb_ngbr_avail; |
| 169 | ps_cur_mb_info->u1_mb_ngbr_availablity = u1_mb_ngbr_avail; |
| 170 | ps_cur_mb_info->ps_curmb->u1_mb_fld = ps_dec->u1_cur_mb_fld_dec_flag; |
| 171 | ps_cur_mb_info->u1_mb_field_decodingflag = ps_dec->u1_cur_mb_fld_dec_flag; |
| 172 | ps_cur_mb_info->u2_top_left_avail_mask = u2_top_left_mask; |
| 173 | ps_cur_mb_info->u2_top_right_avail_mask = u2_top_right_mask; |
| 174 | return (OK); |
| 175 | |
| 176 | } |
| 177 | |
| 178 | /*****************************************************************************/ |
| 179 | /* */ |
| 180 | /* Function Name : get_mb_info_cavlc */ |
| 181 | /* */ |
| 182 | /* Description : This function sets the following information of cur MB */ |
| 183 | /* (a) mb_x and mb_y */ |
| 184 | /* (b) Neighbour availablity */ |
| 185 | /* (c) Macroblock location in the frame buffer */ |
| 186 | /* (e) For mbaff predicts field/frame u4_flag for topMb */ |
| 187 | /* and sets the field/frame for botMb. This is */ |
| 188 | /* written in ps_dec->u1_cur_mb_fld_dec_flag */ |
| 189 | /* */ |
| 190 | /* Inputs : pointer to decstruct */ |
| 191 | /* pointer to current mb info */ |
| 192 | /* currentMbaddress */ |
| 193 | /* */ |
| 194 | /* Processing : leftMb and TopMb params are used by DecMbskip and */ |
| 195 | /* DecCtxMbfield modules so that these modules do not */ |
| 196 | /* check for neigbour availability and then find the */ |
| 197 | /* neigbours for context increments */ |
| 198 | /* */ |
| 199 | /* Returns : OK */ |
| 200 | /* */ |
| 201 | /* Issues : <List any issues or problems with this function> */ |
| 202 | /* */ |
| 203 | /* Revision History: */ |
| 204 | /* */ |
| 205 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 206 | /* 13 07 2002 Jay Draft */ |
| 207 | /* */ |
| 208 | /*****************************************************************************/ |
| 209 | |
| 210 | UWORD32 ih264d_get_mb_info_cavlc_mbaff(dec_struct_t *ps_dec, |
| 211 | const UWORD16 u2_cur_mb_address, |
| 212 | dec_mb_info_t * ps_cur_mb_info, |
| 213 | UWORD32 u4_mbskip_run) |
| 214 | { |
| 215 | UWORD16 u2_mb_x; |
| 216 | UWORD16 u2_mb_y; |
| 217 | UWORD8 u1_mb_ngbr_avail = 0; |
| 218 | UWORD16 u2_frm_width_in_mb = ps_dec->u2_frm_wd_in_mbs; |
| 219 | |
| 220 | UWORD8 u1_top_mb = 1 - (u2_cur_mb_address & 0x01); |
| 221 | WORD16 i2_prev_slice_mbx = ps_dec->i2_prev_slice_mbx; |
| 222 | UWORD8 u1_cur_mb_field = 0; |
| 223 | UWORD16 u2_top_right_mask = TOP_RIGHT_DEFAULT_AVAILABLE; |
| 224 | UWORD16 u2_top_left_mask = TOP_LEFT_DEFAULT_AVAILABLE; |
| 225 | |
| 226 | /*--------------------------------------------------------------------*/ |
| 227 | /* Calculate values of mb_x and mb_y */ |
| 228 | /*--------------------------------------------------------------------*/ |
| 229 | u2_mb_x = ps_dec->u2_mbx; |
| 230 | u2_mb_y = ps_dec->u2_mby; |
| 231 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 232 | ps_dec->u2_cur_mb_addr = u2_cur_mb_address; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 233 | |
| 234 | |
| 235 | if(u1_top_mb) |
| 236 | { |
| 237 | u2_mb_x++; |
| 238 | if(u2_mb_x == u2_frm_width_in_mb) |
| 239 | { |
| 240 | u2_mb_x = 0; |
| 241 | u2_mb_y += 2; |
| 242 | } |
| 243 | if(u2_mb_y > ps_dec->i2_prev_slice_mby) |
| 244 | { |
| 245 | /* if not in the immemdiate row of prev slice end then top |
| 246 | will be available */ |
| 247 | if(u2_mb_y > (ps_dec->i2_prev_slice_mby + 2)) |
| 248 | i2_prev_slice_mbx = -1; |
| 249 | if(u2_mb_x > i2_prev_slice_mbx) |
| 250 | { |
| 251 | u1_mb_ngbr_avail |= TOP_MB_AVAILABLE_MASK; |
| 252 | u1_cur_mb_field = ps_dec->ps_top_mb_row[u2_mb_x << 1].u1_mb_fld; |
| 253 | u2_top_right_mask |= TOP_RIGHT_TOP_AVAILABLE; |
| 254 | u2_top_left_mask |= TOP_LEFT_TOP_AVAILABLE; |
| 255 | } |
| 256 | if((u2_mb_x > (i2_prev_slice_mbx - 1)) |
| 257 | && (u2_mb_x != (u2_frm_width_in_mb - 1))) |
| 258 | { |
| 259 | u1_mb_ngbr_avail |= TOP_RIGHT_MB_AVAILABLE_MASK; |
| 260 | u2_top_right_mask |= TOP_RIGHT_TOPR_AVAILABLE; |
| 261 | } |
| 262 | |
| 263 | if(u2_mb_x > (i2_prev_slice_mbx + 1)) |
| 264 | { |
| 265 | u1_mb_ngbr_avail |= TOP_LEFT_MB_AVAILABLE_MASK; |
| 266 | u2_top_left_mask |= TOP_LEFT_TOPL_AVAILABLE; |
| 267 | } |
| 268 | |
| 269 | i2_prev_slice_mbx = -1; |
| 270 | } |
| 271 | /* Same row */ |
| 272 | if(u2_mb_x > (i2_prev_slice_mbx + 1)) |
| 273 | { |
| 274 | u1_mb_ngbr_avail |= LEFT_MB_AVAILABLE_MASK; |
| 275 | u1_cur_mb_field = |
| 276 | ps_dec->ps_cur_mb_row[(u2_mb_x << 1) - 1].u1_mb_fld; |
| 277 | u2_top_left_mask |= TOP_LEFT_LEFT_AVAILABLE; |
| 278 | } |
| 279 | /* Read u1_cur_mb_field from the bitstream if u4_mbskip_run <= 1*/ |
| 280 | if(u4_mbskip_run <= 1) |
| 281 | u1_cur_mb_field = (UWORD8)ih264d_get_bit_h264(ps_dec->ps_bitstrm); |
| 282 | |
| 283 | ps_dec->u1_cur_mb_fld_dec_flag = u1_cur_mb_field; |
| 284 | ps_dec->u2_top_left_mask = u2_top_left_mask; |
| 285 | ps_dec->u2_top_right_mask = u2_top_right_mask; |
| 286 | } |
| 287 | else |
| 288 | { |
| 289 | u1_mb_ngbr_avail = ps_dec->u1_mb_ngbr_availablity; |
| 290 | u1_cur_mb_field = ps_dec->u1_cur_mb_fld_dec_flag; |
| 291 | u2_top_left_mask = ps_dec->u2_top_left_mask; |
| 292 | u2_top_right_mask = ps_dec->u2_top_right_mask; |
| 293 | |
| 294 | if(!u1_cur_mb_field) |
| 295 | { |
| 296 | /* Top is available */ |
| 297 | u1_mb_ngbr_avail |= TOP_MB_AVAILABLE_MASK; |
| 298 | u2_top_right_mask |= TOP_RIGHT_TOP_AVAILABLE; |
| 299 | u2_top_left_mask |= TOP_LEFT_TOP_AVAILABLE; |
| 300 | /* Top Right not available */ |
| 301 | u1_mb_ngbr_avail &= TOP_RT_SUBBLOCK_MASK_MOD; |
| 302 | u2_top_right_mask &= (~TOP_RIGHT_TOPR_AVAILABLE); |
| 303 | |
| 304 | if(u1_mb_ngbr_avail & LEFT_MB_AVAILABLE_MASK) |
| 305 | { |
| 306 | u1_mb_ngbr_avail |= TOP_LEFT_MB_AVAILABLE_MASK; |
| 307 | u2_top_left_mask |= TOP_LEFT_LEFT_AVAILABLE; |
| 308 | u2_top_left_mask |= TOP_LEFT_TOPL_AVAILABLE; |
| 309 | } |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | ps_dec->u2_mby = u2_mb_y; |
| 314 | ps_dec->u2_mbx = u2_mb_x; |
| 315 | ps_cur_mb_info->u2_mbx = u2_mb_x; |
| 316 | ps_cur_mb_info->u2_mby = u2_mb_y; |
| 317 | ps_cur_mb_info->u1_topmb = u1_top_mb; |
| 318 | ps_dec->i4_submb_ofst += SUB_BLK_SIZE; |
| 319 | ps_dec->u1_mb_ngbr_availablity = u1_mb_ngbr_avail; |
| 320 | ps_cur_mb_info->u1_mb_ngbr_availablity = u1_mb_ngbr_avail; |
| 321 | ps_cur_mb_info->u1_mb_field_decodingflag = u1_cur_mb_field; |
| 322 | ps_cur_mb_info->u2_top_left_avail_mask = u2_top_left_mask; |
| 323 | ps_cur_mb_info->u2_top_right_avail_mask = u2_top_right_mask; |
| 324 | ih264d_get_mbaff_neighbours(ps_dec, ps_cur_mb_info, u1_cur_mb_field); |
| 325 | return (OK); |
| 326 | } |
| 327 | |
| 328 | /*****************************************************************************/ |
| 329 | /* */ |
| 330 | /* Function Name : get_mb_info_cabac */ |
| 331 | /* */ |
| 332 | /* Description : This function sets the following information of cur MB */ |
| 333 | /* (a) mb_x and mb_y */ |
| 334 | /* (b) Neighbour availablity */ |
| 335 | /* (c) Macroblock location in the frame buffer */ |
| 336 | /* (e) leftMb parama and TopMb params of curMB */ |
| 337 | /* (f) For Mbaff case leftMb params and TopMb params of */ |
| 338 | /* bottomMb are also set if curMB is top */ |
| 339 | /* (g) For mbaff predicts field/frame u4_flag for topMb */ |
| 340 | /* and sets the field/frame for botMb. This is */ |
| 341 | /* written in ps_dec->u1_cur_mb_fld_dec_flag */ |
| 342 | /* */ |
| 343 | /* Inputs : pointer to decstruct */ |
| 344 | /* pointer to current mb info */ |
| 345 | /* currentMbaddress */ |
| 346 | /* */ |
| 347 | /* Processing : leftMb and TopMb params are used by DecMbskip and */ |
| 348 | /* DecCtxMbfield modules so that these modules do not */ |
| 349 | /* check for neigbour availability and then find the */ |
| 350 | /* neigbours for context increments */ |
| 351 | /* */ |
| 352 | /* Returns : OK */ |
| 353 | /* */ |
| 354 | /* Issues : <List any issues or problems with this function> */ |
| 355 | /* */ |
| 356 | /* Revision History: */ |
| 357 | /* */ |
| 358 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 359 | /* 13 07 2002 Jay Draft */ |
| 360 | /* */ |
| 361 | /*****************************************************************************/ |
| 362 | UWORD32 ih264d_get_mb_info_cabac_nonmbaff(dec_struct_t *ps_dec, |
| 363 | const UWORD16 u2_cur_mb_address, |
| 364 | dec_mb_info_t * ps_cur_mb_info, |
| 365 | UWORD32 u4_mbskip) |
| 366 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 367 | WORD32 mb_x; |
| 368 | WORD32 mb_y; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 369 | UWORD32 u1_mb_ngbr_avail = 0; |
| 370 | UWORD32 u2_frm_width_in_mb = ps_dec->u2_frm_wd_in_mbs; |
| 371 | UWORD32 u1_top_mb = 1; |
| 372 | WORD32 i2_prev_slice_mbx = ps_dec->i2_prev_slice_mbx; |
| 373 | UWORD32 u2_top_right_mask = TOP_RIGHT_DEFAULT_AVAILABLE; |
| 374 | UWORD32 u2_top_left_mask = TOP_LEFT_DEFAULT_AVAILABLE; |
| 375 | ctxt_inc_mb_info_t * const p_ctx_inc_mb_map = ps_dec->p_ctxt_inc_mb_map; |
| 376 | |
| 377 | /*--------------------------------------------------------------------*/ |
| 378 | /* Calculate values of mb_x and mb_y */ |
| 379 | /*--------------------------------------------------------------------*/ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 380 | mb_x = (WORD16)ps_dec->u2_mbx; |
| 381 | mb_y = (WORD16)ps_dec->u2_mby; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 382 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 383 | ps_dec->u2_cur_mb_addr = u2_cur_mb_address; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 384 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 385 | mb_x++; |
| 386 | if((UWORD32)mb_x == u2_frm_width_in_mb) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 387 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 388 | mb_x = 0; |
| 389 | mb_y++; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 390 | } |
| 391 | /*********************************************************************/ |
| 392 | /* Cabac Context Initialisations */ |
| 393 | /*********************************************************************/ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 394 | ps_dec->ps_curr_ctxt_mb_info = p_ctx_inc_mb_map + mb_x; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 395 | ps_dec->p_left_ctxt_mb_info = p_ctx_inc_mb_map - 1; |
| 396 | ps_dec->p_top_ctxt_mb_info = p_ctx_inc_mb_map - 1; |
| 397 | |
| 398 | /********************************************************************/ |
| 399 | /* neighbour availablility */ |
| 400 | /********************************************************************/ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 401 | if(mb_y > ps_dec->i2_prev_slice_mby) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 402 | { |
| 403 | /* if not in the immemdiate row of prev slice end then top |
| 404 | will be available */ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 405 | if(mb_y > (ps_dec->i2_prev_slice_mby + 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 406 | i2_prev_slice_mbx = -1; |
| 407 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 408 | if(mb_x > i2_prev_slice_mbx) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 409 | { |
| 410 | u1_mb_ngbr_avail |= TOP_MB_AVAILABLE_MASK; |
| 411 | u2_top_right_mask |= TOP_RIGHT_TOP_AVAILABLE; |
| 412 | u2_top_left_mask |= TOP_LEFT_TOP_AVAILABLE; |
| 413 | ps_dec->p_top_ctxt_mb_info = ps_dec->ps_curr_ctxt_mb_info; |
| 414 | } |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 415 | if((mb_x > (i2_prev_slice_mbx - 1)) |
| 416 | && ((UWORD32)mb_x != (u2_frm_width_in_mb - 1))) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 417 | { |
| 418 | u1_mb_ngbr_avail |= TOP_RIGHT_MB_AVAILABLE_MASK; |
| 419 | u2_top_right_mask |= TOP_RIGHT_TOPR_AVAILABLE; |
| 420 | } |
| 421 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 422 | if(mb_x > (i2_prev_slice_mbx + 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 423 | { |
| 424 | u1_mb_ngbr_avail |= TOP_LEFT_MB_AVAILABLE_MASK; |
| 425 | u2_top_left_mask |= TOP_LEFT_TOPL_AVAILABLE; |
| 426 | } |
| 427 | /* Next row */ |
| 428 | i2_prev_slice_mbx = -1; |
| 429 | } |
| 430 | /* Same row */ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 431 | if(mb_x > (i2_prev_slice_mbx + 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 432 | { |
| 433 | u1_mb_ngbr_avail |= LEFT_MB_AVAILABLE_MASK; |
| 434 | u2_top_left_mask |= TOP_LEFT_LEFT_AVAILABLE; |
| 435 | ps_dec->p_left_ctxt_mb_info = ps_dec->ps_curr_ctxt_mb_info - 1; |
| 436 | } |
| 437 | { |
| 438 | mb_neigbour_params_t *ps_cur_mb_row = ps_dec->ps_cur_mb_row; |
| 439 | mb_neigbour_params_t *ps_top_mb_row = ps_dec->ps_top_mb_row; |
| 440 | /* copy the parameters of topleft Mb */ |
| 441 | ps_cur_mb_info->u1_topleft_mbtype = ps_dec->u1_topleft_mbtype; |
| 442 | /* Neighbour pointer assignments*/ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 443 | ps_cur_mb_info->ps_curmb = ps_cur_mb_row + mb_x; |
| 444 | ps_cur_mb_info->ps_left_mb = ps_cur_mb_row + mb_x - 1; |
| 445 | ps_cur_mb_info->ps_top_mb = ps_top_mb_row + mb_x; |
| 446 | ps_cur_mb_info->ps_top_right_mb = ps_top_mb_row + mb_x + 1; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 447 | |
| 448 | /* Update the parameters of topleftmb*/ |
| 449 | ps_dec->u1_topleft_mbtype = ps_cur_mb_info->ps_top_mb->u1_mb_type; |
| 450 | } |
| 451 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 452 | ps_dec->u2_mby = mb_y; |
| 453 | ps_dec->u2_mbx = mb_x; |
| 454 | ps_cur_mb_info->u2_mbx = mb_x; |
| 455 | ps_cur_mb_info->u2_mby = mb_y; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 456 | ps_cur_mb_info->u1_topmb = u1_top_mb; |
| 457 | ps_dec->i4_submb_ofst += SUB_BLK_SIZE; |
| 458 | ps_dec->u1_mb_ngbr_availablity = u1_mb_ngbr_avail; |
| 459 | ps_cur_mb_info->u1_mb_ngbr_availablity = u1_mb_ngbr_avail; |
| 460 | ps_cur_mb_info->ps_curmb->u1_mb_fld = ps_dec->u1_cur_mb_fld_dec_flag; |
| 461 | ps_cur_mb_info->u1_mb_field_decodingflag = ps_dec->u1_cur_mb_fld_dec_flag; |
| 462 | ps_cur_mb_info->u2_top_left_avail_mask = u2_top_left_mask; |
| 463 | ps_cur_mb_info->u2_top_right_avail_mask = u2_top_right_mask; |
| 464 | |
| 465 | /*********************************************************************/ |
| 466 | /* Assign the neigbours */ |
| 467 | /*********************************************************************/ |
| 468 | if(u4_mbskip) |
| 469 | { |
| 470 | UWORD32 u4_ctx_inc = |
| 471 | 2 |
| 472 | - ((!!(ps_dec->p_top_ctxt_mb_info->u1_mb_type |
| 473 | & CAB_SKIP_MASK)) |
| 474 | + (!!(ps_dec->p_left_ctxt_mb_info->u1_mb_type |
| 475 | & CAB_SKIP_MASK))); |
| 476 | |
| 477 | u4_mbskip = ih264d_decode_bin(u4_ctx_inc, ps_dec->p_mb_skip_flag_t, |
| 478 | ps_dec->ps_bitstrm, &ps_dec->s_cab_dec_env); |
| 479 | |
| 480 | if(!u4_mbskip) |
| 481 | { |
| 482 | if(!(u1_mb_ngbr_avail & LEFT_MB_AVAILABLE_MASK)) |
| 483 | { |
| 484 | UWORD32 *pu4_buf; |
| 485 | UWORD8 *pu1_buf; |
| 486 | |
| 487 | pu1_buf = ps_dec->pu1_left_nnz_y; |
| 488 | pu4_buf = (UWORD32 *)pu1_buf; |
| 489 | *pu4_buf = 0; |
| 490 | pu1_buf = ps_dec->pu1_left_nnz_uv; |
| 491 | pu4_buf = (UWORD32 *)pu1_buf; |
| 492 | *pu4_buf = 0; |
| 493 | |
| 494 | |
| 495 | *(ps_dec->pu1_left_yuv_dc_csbp) = 0; |
| 496 | MEMSET_16BYTES(&ps_dec->pu1_left_mv_ctxt_inc[0][0], 0); |
| 497 | *(UWORD32 *)ps_dec->pi1_left_ref_idx_ctxt_inc = 0; |
| 498 | } |
| 499 | if(!(u1_mb_ngbr_avail & TOP_MB_AVAILABLE_MASK)) |
| 500 | { |
| 501 | MEMSET_16BYTES(ps_dec->ps_curr_ctxt_mb_info->u1_mv, 0); |
| 502 | memset(ps_dec->ps_curr_ctxt_mb_info->i1_ref_idx, 0, 4); |
| 503 | } |
| 504 | } |
| 505 | } |
| 506 | return (u4_mbskip); |
| 507 | } |
| 508 | |
| 509 | /*****************************************************************************/ |
| 510 | /* */ |
| 511 | /* Function Name : get_mb_info_cabac */ |
| 512 | /* */ |
| 513 | /* Description : This function sets the following information of cur MB */ |
| 514 | /* (a) mb_x and mb_y */ |
| 515 | /* (b) Neighbour availablity */ |
| 516 | /* (c) Macroblock location in the frame buffer */ |
| 517 | /* (e) leftMb parama and TopMb params of curMB */ |
| 518 | /* (f) For Mbaff case leftMb params and TopMb params of */ |
| 519 | /* bottomMb are also set if curMB is top */ |
| 520 | /* (g) For mbaff predicts field/frame u4_flag for topMb */ |
| 521 | /* and sets the field/frame for botMb. This is */ |
| 522 | /* written in ps_dec->u1_cur_mb_fld_dec_flag */ |
| 523 | /* */ |
| 524 | /* Inputs : pointer to decstruct */ |
| 525 | /* pointer to current mb info */ |
| 526 | /* currentMbaddress */ |
| 527 | /* */ |
| 528 | /* Processing : leftMb and TopMb params are used by DecMbskip and */ |
| 529 | /* DecCtxMbfield modules so that these modules do not */ |
| 530 | /* check for neigbour availability and then find the */ |
| 531 | /* neigbours for context increments */ |
| 532 | /* */ |
| 533 | /* Returns : OK */ |
| 534 | /* */ |
| 535 | /* Issues : <List any issues or problems with this function> */ |
| 536 | /* */ |
| 537 | /* Revision History: */ |
| 538 | /* */ |
| 539 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 540 | /* 13 07 2002 Jay Draft */ |
| 541 | /* */ |
| 542 | /*****************************************************************************/ |
| 543 | |
| 544 | UWORD32 ih264d_get_mb_info_cabac_mbaff(dec_struct_t *ps_dec, |
| 545 | const UWORD16 u2_cur_mb_address, |
| 546 | dec_mb_info_t * ps_cur_mb_info, |
| 547 | UWORD32 u4_mbskip) |
| 548 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 549 | WORD32 mb_x; |
| 550 | WORD32 mb_y; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 551 | UWORD8 u1_mb_ngbr_avail = 0; |
| 552 | UWORD16 u2_frm_width_in_mb = ps_dec->u2_frm_wd_in_mbs; |
| 553 | ctxt_inc_mb_info_t * const p_ctx_inc_mb_map = ps_dec->p_ctxt_inc_mb_map; |
| 554 | ctxt_inc_mb_info_t *ps_curr_ctxt, *ps_top_ctxt, *ps_left_ctxt; |
| 555 | mb_neigbour_params_t *ps_cur_mb_row = ps_dec->ps_cur_mb_row; |
| 556 | mb_neigbour_params_t *ps_top_mb_row = ps_dec->ps_top_mb_row; |
| 557 | UWORD32 u4_left_mb_pair_fld = 0; |
| 558 | UWORD32 u4_top_mb_pair_fld = 0; |
| 559 | UWORD8 u1_cur_mb_field = 0; |
| 560 | UWORD8 u1_top_mb = 1 - (u2_cur_mb_address & 0x01); |
| 561 | WORD16 i2_prev_slice_mbx = ps_dec->i2_prev_slice_mbx; |
| 562 | UWORD16 u2_top_right_mask = TOP_RIGHT_DEFAULT_AVAILABLE; |
| 563 | UWORD16 u2_top_left_mask = TOP_LEFT_DEFAULT_AVAILABLE; |
| 564 | |
| 565 | /*--------------------------------------------------------------------*/ |
| 566 | /* Calculate values of mb_x and mb_y */ |
| 567 | /*--------------------------------------------------------------------*/ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 568 | mb_x = (WORD16)ps_dec->u2_mbx; |
| 569 | mb_y = (WORD16)ps_dec->u2_mby; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 570 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 571 | ps_dec->u2_cur_mb_addr = u2_cur_mb_address; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 572 | |
| 573 | ps_top_ctxt = ps_left_ctxt = p_ctx_inc_mb_map - 1; |
| 574 | |
| 575 | if(u1_top_mb) |
| 576 | { |
| 577 | ctxt_inc_mb_info_t *ps_left_mb_of_bot = ps_left_ctxt; |
| 578 | ctxt_inc_mb_info_t *ps_top_mb_of_bot = ps_top_ctxt; |
| 579 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 580 | mb_x++; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 581 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 582 | if(mb_x == u2_frm_width_in_mb) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 583 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 584 | mb_x = 0; |
| 585 | mb_y += 2; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 586 | } |
| 587 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 588 | ps_curr_ctxt = p_ctx_inc_mb_map + (mb_x << 1); |
| 589 | if(mb_y > ps_dec->i2_prev_slice_mby) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 590 | { |
| 591 | UWORD8 u1_cur_mb_fld_flag_known = 0; |
| 592 | /* Next row */ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 593 | if(mb_x > 0) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 594 | { |
| 595 | /***********************************************************************/ |
| 596 | /* Left Mb is avialable */ |
| 597 | /***********************************************************************/ |
| 598 | u1_mb_ngbr_avail |= LEFT_MB_AVAILABLE_MASK; |
| 599 | ps_left_ctxt = ps_curr_ctxt - 2; |
| 600 | ps_left_mb_of_bot = ps_curr_ctxt - 1; |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 601 | u1_cur_mb_field = u4_left_mb_pair_fld = ps_cur_mb_row[(mb_x |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 602 | << 1) - 1].u1_mb_fld; |
| 603 | u1_cur_mb_fld_flag_known = 1; |
| 604 | u2_top_left_mask |= TOP_LEFT_LEFT_AVAILABLE; |
| 605 | } |
| 606 | /* if not in the immemdiate row of prev slice end then top |
| 607 | will be available */ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 608 | if(mb_y > (ps_dec->i2_prev_slice_mby + 2)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 609 | i2_prev_slice_mbx = -1; |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 610 | if(mb_x > i2_prev_slice_mbx) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 611 | { |
| 612 | /*********************************************************************/ |
| 613 | /* Top Mb is avialable */ |
| 614 | /*********************************************************************/ |
| 615 | u1_mb_ngbr_avail |= TOP_MB_AVAILABLE_MASK; |
| 616 | u2_top_right_mask |= TOP_RIGHT_TOP_AVAILABLE; |
| 617 | u2_top_left_mask |= TOP_LEFT_TOP_AVAILABLE; |
| 618 | |
| 619 | /* point to MbAddrB + 1 */ |
| 620 | ps_top_ctxt = ps_curr_ctxt + 1; |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 621 | u4_top_mb_pair_fld = ps_top_mb_row[(mb_x << 1)].u1_mb_fld; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 622 | |
| 623 | u1_cur_mb_field = |
| 624 | u1_cur_mb_fld_flag_known ? |
| 625 | u1_cur_mb_field : |
| 626 | u4_top_mb_pair_fld; |
| 627 | ps_top_mb_of_bot = u1_cur_mb_field ? ps_top_ctxt : ps_curr_ctxt; |
| 628 | |
| 629 | /* MbAddrB */ |
| 630 | ps_top_ctxt -= (u1_cur_mb_field && u4_top_mb_pair_fld); |
| 631 | } |
| 632 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 633 | if((mb_x > (i2_prev_slice_mbx - 1)) |
| 634 | && (mb_x != (u2_frm_width_in_mb - 1))) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 635 | { |
| 636 | u1_mb_ngbr_avail |= TOP_RIGHT_MB_AVAILABLE_MASK; |
| 637 | u2_top_right_mask |= TOP_RIGHT_TOPR_AVAILABLE; |
| 638 | } |
| 639 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 640 | if(mb_x > (i2_prev_slice_mbx + 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 641 | { |
| 642 | u1_mb_ngbr_avail |= TOP_LEFT_MB_AVAILABLE_MASK; |
| 643 | u2_top_left_mask |= TOP_LEFT_TOPL_AVAILABLE; |
| 644 | } |
| 645 | } |
| 646 | else |
| 647 | { |
| 648 | /* Same row */ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 649 | if(mb_x > (i2_prev_slice_mbx + 1)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 650 | { |
| 651 | /***************************************************************/ |
| 652 | /* Left Mb is avialable */ |
| 653 | /***************************************************************/ |
| 654 | u1_mb_ngbr_avail |= LEFT_MB_AVAILABLE_MASK; |
| 655 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 656 | u1_cur_mb_field = u4_left_mb_pair_fld = ps_cur_mb_row[(mb_x |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 657 | << 1) - 1].u1_mb_fld; |
| 658 | ps_left_ctxt = ps_curr_ctxt - 2; |
| 659 | ps_left_mb_of_bot = ps_curr_ctxt - 1; |
| 660 | u2_top_left_mask |= TOP_LEFT_LEFT_AVAILABLE; |
| 661 | } |
| 662 | } |
| 663 | /*********************************************************/ |
| 664 | /* Check whether the call is from I slice or Inter slice */ |
| 665 | /*********************************************************/ |
| 666 | if(u4_mbskip) |
| 667 | { |
| 668 | UWORD32 u4_ctx_inc = 2 |
| 669 | - ((!!(ps_top_ctxt->u1_mb_type & CAB_SKIP_MASK)) |
| 670 | + (!!(ps_left_ctxt->u1_mb_type |
| 671 | & CAB_SKIP_MASK))); |
| 672 | dec_bit_stream_t * const ps_bitstrm = ps_dec->ps_bitstrm; |
| 673 | decoding_envirnoment_t *ps_cab_dec_env = &ps_dec->s_cab_dec_env; |
| 674 | bin_ctxt_model_t *p_mb_skip_flag_t = ps_dec->p_mb_skip_flag_t; |
| 675 | |
| 676 | ps_dec->u4_next_mb_skip = 0; |
| 677 | u4_mbskip = ih264d_decode_bin(u4_ctx_inc, p_mb_skip_flag_t, |
| 678 | ps_bitstrm, ps_cab_dec_env); |
| 679 | |
| 680 | if(u4_mbskip) |
| 681 | { |
| 682 | UWORD32 u4_next_mbskip; |
| 683 | ps_curr_ctxt->u1_mb_type = CAB_SKIP; |
| 684 | |
| 685 | u4_ctx_inc = |
| 686 | 2 |
| 687 | - ((!!(ps_top_mb_of_bot->u1_mb_type |
| 688 | & CAB_SKIP_MASK)) |
| 689 | + (!!(ps_left_mb_of_bot->u1_mb_type |
| 690 | & CAB_SKIP_MASK))); |
| 691 | |
| 692 | /* Decode the skip u4_flag of bottom Mb */ |
| 693 | u4_next_mbskip = ih264d_decode_bin(u4_ctx_inc, p_mb_skip_flag_t, |
| 694 | ps_bitstrm, |
| 695 | ps_cab_dec_env); |
| 696 | |
| 697 | ps_dec->u4_next_mb_skip = u4_next_mbskip; |
| 698 | |
| 699 | if(!u4_next_mbskip) |
| 700 | { |
| 701 | u4_ctx_inc = u4_top_mb_pair_fld + u4_left_mb_pair_fld; |
| 702 | |
| 703 | u1_cur_mb_field = ih264d_decode_bin( |
| 704 | u4_ctx_inc, ps_dec->p_mb_field_dec_flag_t, |
| 705 | ps_bitstrm, ps_cab_dec_env); |
| 706 | } |
| 707 | } |
| 708 | } |
| 709 | |
| 710 | if(!u4_mbskip) |
| 711 | { |
| 712 | UWORD32 u4_ctx_inc = u4_top_mb_pair_fld + u4_left_mb_pair_fld; |
| 713 | u1_cur_mb_field = ih264d_decode_bin(u4_ctx_inc, |
| 714 | ps_dec->p_mb_field_dec_flag_t, |
| 715 | ps_dec->ps_bitstrm, |
| 716 | &ps_dec->s_cab_dec_env); |
| 717 | } |
| 718 | |
| 719 | ps_dec->u1_cur_mb_fld_dec_flag = u1_cur_mb_field; |
| 720 | ps_dec->u2_top_left_mask = u2_top_left_mask; |
| 721 | ps_dec->u2_top_right_mask = u2_top_right_mask; |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 722 | ps_dec->u2_mby = mb_y; |
| 723 | ps_dec->u2_mbx = mb_x; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 724 | } |
| 725 | else |
| 726 | { |
| 727 | u1_cur_mb_field = ps_dec->u1_cur_mb_fld_dec_flag; |
| 728 | u1_mb_ngbr_avail = ps_dec->u1_mb_ngbr_availablity; |
| 729 | u2_top_left_mask = ps_dec->u2_top_left_mask; |
| 730 | u2_top_right_mask = ps_dec->u2_top_right_mask; |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 731 | ps_curr_ctxt = p_ctx_inc_mb_map + (mb_x << 1) + 1; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 732 | |
| 733 | if(u1_mb_ngbr_avail & LEFT_MB_AVAILABLE_MASK) |
| 734 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 735 | u4_left_mb_pair_fld = ps_cur_mb_row[(mb_x << 1) - 1].u1_mb_fld; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 736 | |
| 737 | /* point to A if top else A+1 */ |
| 738 | ps_left_ctxt = ps_curr_ctxt - 2 |
| 739 | - (u4_left_mb_pair_fld != u1_cur_mb_field); |
| 740 | } |
| 741 | |
| 742 | if(u1_cur_mb_field) |
| 743 | { |
| 744 | if(u1_mb_ngbr_avail & TOP_MB_AVAILABLE_MASK) |
| 745 | { |
| 746 | /* point to MbAddrB + 1 */ |
| 747 | ps_top_ctxt = ps_curr_ctxt; |
| 748 | } |
| 749 | } |
| 750 | else |
| 751 | { |
| 752 | /* Top is available */ |
| 753 | u1_mb_ngbr_avail |= TOP_MB_AVAILABLE_MASK; |
| 754 | u2_top_right_mask |= TOP_RIGHT_TOP_AVAILABLE; |
| 755 | u2_top_left_mask |= TOP_LEFT_TOP_AVAILABLE; |
| 756 | /* Top Right not available */ |
| 757 | u1_mb_ngbr_avail &= TOP_RT_SUBBLOCK_MASK_MOD; |
| 758 | u2_top_right_mask &= (~TOP_RIGHT_TOPR_AVAILABLE); |
| 759 | |
| 760 | if(u1_mb_ngbr_avail & LEFT_MB_AVAILABLE_MASK) |
| 761 | { |
| 762 | u1_mb_ngbr_avail |= TOP_LEFT_MB_AVAILABLE_MASK; |
| 763 | u2_top_left_mask |= TOP_LEFT_LEFT_AVAILABLE; |
| 764 | u2_top_left_mask |= TOP_LEFT_TOPL_AVAILABLE; |
| 765 | } |
| 766 | |
| 767 | /* CurMbAddr - 1 */ |
| 768 | ps_top_ctxt = ps_curr_ctxt - 1; |
| 769 | } |
| 770 | |
| 771 | if(u4_mbskip) |
| 772 | { |
| 773 | if(ps_curr_ctxt[-1].u1_mb_type & CAB_SKIP_MASK) |
| 774 | { |
| 775 | /* If previous mb is skipped, return value of next mb skip */ |
| 776 | u4_mbskip = ps_dec->u4_next_mb_skip; |
| 777 | |
| 778 | } |
| 779 | else |
| 780 | { |
| 781 | /* If previous mb is not skipped then call DecMbSkip */ |
| 782 | UWORD32 u4_ctx_inc = |
| 783 | 2 |
| 784 | - ((!!(ps_top_ctxt->u1_mb_type |
| 785 | & CAB_SKIP_MASK)) |
| 786 | + (!!(ps_left_ctxt->u1_mb_type |
| 787 | & CAB_SKIP_MASK))); |
| 788 | |
| 789 | u4_mbskip = ih264d_decode_bin(u4_ctx_inc, |
| 790 | ps_dec->p_mb_skip_flag_t, |
| 791 | ps_dec->ps_bitstrm, |
| 792 | &ps_dec->s_cab_dec_env); |
| 793 | } |
| 794 | } |
| 795 | } |
| 796 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 797 | ps_cur_mb_info->u2_mbx = mb_x; |
| 798 | ps_cur_mb_info->u2_mby = mb_y; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 799 | ps_cur_mb_info->u1_topmb = u1_top_mb; |
| 800 | ps_dec->i4_submb_ofst += SUB_BLK_SIZE; |
| 801 | ps_dec->u1_mb_ngbr_availablity = u1_mb_ngbr_avail; |
| 802 | ps_cur_mb_info->u1_mb_ngbr_availablity = u1_mb_ngbr_avail; |
| 803 | ps_cur_mb_info->u1_mb_field_decodingflag = u1_cur_mb_field; |
| 804 | ps_cur_mb_info->u2_top_left_avail_mask = u2_top_left_mask; |
| 805 | ps_cur_mb_info->u2_top_right_avail_mask = u2_top_right_mask; |
| 806 | |
| 807 | ih264d_get_mbaff_neighbours(ps_dec, ps_cur_mb_info, u1_cur_mb_field); |
| 808 | { |
| 809 | ih264d_get_cabac_context_mbaff(ps_dec, ps_cur_mb_info, u4_mbskip); |
| 810 | } |
| 811 | |
| 812 | { |
| 813 | bin_ctxt_model_t *p_cabac_ctxt_table_t = ps_dec->p_cabac_ctxt_table_t; |
| 814 | |
| 815 | if(u1_cur_mb_field) |
| 816 | { |
| 817 | p_cabac_ctxt_table_t += SIGNIFICANT_COEFF_FLAG_FLD; |
| 818 | } |
| 819 | else |
| 820 | { |
| 821 | p_cabac_ctxt_table_t += SIGNIFICANT_COEFF_FLAG_FRAME; |
| 822 | } |
| 823 | { |
| 824 | bin_ctxt_model_t * * p_significant_coeff_flag_t = |
| 825 | ps_dec->p_significant_coeff_flag_t; |
| 826 | p_significant_coeff_flag_t[0] = p_cabac_ctxt_table_t |
| 827 | + SIG_COEFF_CTXT_CAT_0_OFFSET; |
| 828 | p_significant_coeff_flag_t[1] = p_cabac_ctxt_table_t |
| 829 | + SIG_COEFF_CTXT_CAT_1_OFFSET; |
| 830 | p_significant_coeff_flag_t[2] = p_cabac_ctxt_table_t |
| 831 | + SIG_COEFF_CTXT_CAT_2_OFFSET; |
| 832 | p_significant_coeff_flag_t[3] = p_cabac_ctxt_table_t |
| 833 | + SIG_COEFF_CTXT_CAT_3_OFFSET; |
| 834 | p_significant_coeff_flag_t[4] = p_cabac_ctxt_table_t |
| 835 | + SIG_COEFF_CTXT_CAT_4_OFFSET; |
| 836 | p_significant_coeff_flag_t[5] = p_cabac_ctxt_table_t |
| 837 | + SIG_COEFF_CTXT_CAT_5_OFFSET; |
| 838 | |
| 839 | } |
| 840 | } |
| 841 | return (u4_mbskip); |
| 842 | } |
| 843 | |
| 844 | /*****************************************************************************/ |
| 845 | /* */ |
| 846 | /* Function Name : ih264d_get_cabac_context_mbaff */ |
| 847 | /* */ |
| 848 | /* Description : Gets the current macroblock Cabac Context and sets the */ |
| 849 | /* top and left cabac context ptrs in CtxIncMbMap */ |
| 850 | /* 1. For Coss field left neigbours it alters coded block */ |
| 851 | /* u4_flag , motion vectors, reference indices, cbp of */ |
| 852 | /* the left neigbours which increases the code i4_size */ |
| 853 | /* 2. For Coss field top neigbours it alters motion */ |
| 854 | /* vectors reference indices of the top neigbours */ |
| 855 | /* which further increases the code i4_size */ |
| 856 | /* */ |
| 857 | /* Inputs : 1. dec_struct_t */ |
| 858 | /* 2. CurMbAddr used for Mbaff (only to see if curMB */ |
| 859 | /* is top or bottom) */ |
| 860 | /* 3. uc_curMbFldDecFlag only for Mbaff */ |
| 861 | /* */ |
| 862 | /* Returns : 0 */ |
| 863 | /* */ |
| 864 | /* Issues : code i4_size can be reduced if ui_CodedBlockFlag storage */ |
| 865 | /* structure in context is changed. This change however */ |
| 866 | /* would break the parseResidual4x4Cabac asm routine. */ |
| 867 | /* */ |
| 868 | /* Revision History: */ |
| 869 | /* */ |
| 870 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 871 | /* 18 06 2005 Jay */ |
| 872 | /* */ |
| 873 | /*****************************************************************************/ |
| 874 | UWORD32 ih264d_get_cabac_context_mbaff(dec_struct_t * ps_dec, |
| 875 | dec_mb_info_t *ps_cur_mb_info, |
| 876 | UWORD32 u4_mbskip) |
| 877 | { |
| 878 | const UWORD8 u1_mb_ngbr_availablity = ps_dec->u1_mb_ngbr_availablity; |
| 879 | ctxt_inc_mb_info_t * const p_ctx_inc_mb_map = ps_dec->p_ctxt_inc_mb_map; |
| 880 | |
| 881 | UWORD8 (*pu1_left_mv_ctxt_inc_2d)[4] = &ps_dec->pu1_left_mv_ctxt_inc[0]; |
| 882 | WORD8 (*pi1_left_ref_idx_ctxt_inc) = ps_dec->pi1_left_ref_idx_ctxt_inc; |
| 883 | const UWORD8 u1_cur_mb_fld_flag = ps_cur_mb_info->u1_mb_field_decodingflag; |
| 884 | const UWORD8 u1_topmb = ps_cur_mb_info->u1_topmb; |
| 885 | const UWORD8 uc_botMb = 1 - ps_cur_mb_info->u1_topmb; |
| 886 | |
| 887 | ctxt_inc_mb_info_t * ps_leftMB; |
| 888 | |
| 889 | ps_dec->ps_curr_ctxt_mb_info = p_ctx_inc_mb_map + (ps_dec->u2_mbx << 1); |
| 890 | ps_dec->p_top_ctxt_mb_info = ps_dec->ps_curr_ctxt_mb_info; |
| 891 | |
| 892 | if(u1_topmb) |
| 893 | { |
| 894 | pu1_left_mv_ctxt_inc_2d = ps_dec->u1_left_mv_ctxt_inc_arr[0]; |
| 895 | pi1_left_ref_idx_ctxt_inc = &ps_dec->i1_left_ref_idx_ctx_inc_arr[0][0]; |
| 896 | ps_dec->pu1_left_yuv_dc_csbp = &ps_dec->u1_yuv_dc_csbp_topmb; |
| 897 | } |
| 898 | else |
| 899 | { |
| 900 | /* uc_botMb */ |
| 901 | pu1_left_mv_ctxt_inc_2d = ps_dec->u1_left_mv_ctxt_inc_arr[1]; |
| 902 | pi1_left_ref_idx_ctxt_inc = &ps_dec->i1_left_ref_idx_ctx_inc_arr[1][0]; |
| 903 | ps_dec->pu1_left_yuv_dc_csbp = &ps_dec->u1_yuv_dc_csbp_bot_mb; |
| 904 | ps_dec->ps_curr_ctxt_mb_info += 1; |
| 905 | } |
| 906 | |
| 907 | ps_dec->pu1_left_mv_ctxt_inc = pu1_left_mv_ctxt_inc_2d; |
| 908 | ps_dec->pi1_left_ref_idx_ctxt_inc = pi1_left_ref_idx_ctxt_inc; |
| 909 | |
| 910 | if(u1_mb_ngbr_availablity & LEFT_MB_AVAILABLE_MASK) |
| 911 | { |
| 912 | const UWORD8 u1_left_mb_fld_flag = ps_cur_mb_info->ps_left_mb->u1_mb_fld; |
| 913 | |
| 914 | ps_leftMB = ps_dec->ps_curr_ctxt_mb_info - 2; |
| 915 | if(u1_left_mb_fld_flag != u1_cur_mb_fld_flag) |
| 916 | { |
| 917 | ctxt_inc_mb_info_t *ps_tempLeft; |
| 918 | UWORD8 u1_cbp_t, u1_cbp_b; |
| 919 | UWORD8 u1_cr_cpb; |
| 920 | |
| 921 | ps_leftMB -= uc_botMb; |
| 922 | ps_tempLeft = ps_dec->ps_left_mb_ctxt_info; |
| 923 | ps_tempLeft->u1_mb_type = ps_leftMB->u1_mb_type; |
| 924 | ps_tempLeft->u1_intra_chroma_pred_mode = |
| 925 | ps_leftMB->u1_intra_chroma_pred_mode; |
| 926 | |
| 927 | ps_tempLeft->u1_transform8x8_ctxt = ps_leftMB->u1_transform8x8_ctxt; |
| 928 | |
| 929 | u1_cr_cpb = ps_leftMB->u1_cbp; |
| 930 | /*****************************************************************/ |
| 931 | /* reform RefIdx, CBP, MV and CBF ctxInc taking care of A and A+1*/ |
| 932 | /*****************************************************************/ |
| 933 | if(u1_cur_mb_fld_flag) |
| 934 | { |
| 935 | /* current MB is a FLD and left a FRM */ |
| 936 | UWORD8 (* const pu1_left_mv_ctxt_inc_2d_arr_top)[4] = |
| 937 | ps_dec->u1_left_mv_ctxt_inc_arr[0]; |
| 938 | UWORD8 (* const pu1_left_mv_ctxt_inc_2d_arr_bot)[4] = |
| 939 | ps_dec->u1_left_mv_ctxt_inc_arr[1]; |
| 940 | WORD8 (* const i1_left_ref_idx_ctxt_inc_arr_top) = |
| 941 | &ps_dec->i1_left_ref_idx_ctx_inc_arr[0][0]; |
| 942 | WORD8 (* const i1_left_ref_idx_ctxt_inc_arr_bot) = |
| 943 | &ps_dec->i1_left_ref_idx_ctx_inc_arr[1][0]; |
| 944 | |
| 945 | u1_cbp_t = ps_leftMB->u1_cbp; |
| 946 | u1_cbp_b = (ps_leftMB + 1)->u1_cbp; |
| 947 | ps_tempLeft->u1_cbp = (u1_cbp_t & 0x02) |
| 948 | | ((u1_cbp_b & 0x02) << 2); |
| 949 | |
| 950 | // set motionvectors as |
| 951 | // 0T = 0T 0B = 0T |
| 952 | // 1T = 2T 1B = 2T |
| 953 | // 2T = 0B 2B = 0B |
| 954 | // 3T = 2B 3B = 2B |
| 955 | if(u1_topmb) |
| 956 | { |
| 957 | /********************************************/ |
| 958 | /* Bottoms DC CBF = Top DC CBF */ |
| 959 | /********************************************/ |
| 960 | ps_dec->u1_yuv_dc_csbp_bot_mb = |
| 961 | ps_dec->u1_yuv_dc_csbp_topmb; |
| 962 | |
| 963 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[3] = |
| 964 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d_arr_bot[2]; |
| 965 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[1] = |
| 966 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d_arr_top[2]; |
| 967 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[2] = |
| 968 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d_arr_bot[0]; |
| 969 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[0] = |
| 970 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d_arr_top[0]; |
| 971 | |
| 972 | i1_left_ref_idx_ctxt_inc_arr_top[1] = |
| 973 | i1_left_ref_idx_ctxt_inc_arr_bot[0]; |
| 974 | i1_left_ref_idx_ctxt_inc_arr_top[3] = |
| 975 | i1_left_ref_idx_ctxt_inc_arr_bot[2]; |
| 976 | |
| 977 | *(UWORD32 *)(i1_left_ref_idx_ctxt_inc_arr_bot) = |
| 978 | *(UWORD32 *)(i1_left_ref_idx_ctxt_inc_arr_top); |
| 979 | |
| 980 | memcpy(pu1_left_mv_ctxt_inc_2d_arr_bot, |
| 981 | pu1_left_mv_ctxt_inc_2d_arr_top, 16); |
| 982 | } |
| 983 | |
| 984 | { |
| 985 | UWORD8 i; |
| 986 | for(i = 0; i < 4; i++) |
| 987 | { |
| 988 | pu1_left_mv_ctxt_inc_2d[i][1] >>= 1; |
| 989 | pu1_left_mv_ctxt_inc_2d[i][3] >>= 1; |
| 990 | } |
| 991 | } |
| 992 | } |
| 993 | else |
| 994 | { |
| 995 | /* current MB is a FRM and left FLD */ |
| 996 | if(u1_topmb) |
| 997 | { |
| 998 | u1_cbp_t = ps_leftMB->u1_cbp; |
| 999 | u1_cbp_t = (u1_cbp_t & 0x02); |
| 1000 | ps_tempLeft->u1_cbp = (u1_cbp_t | (u1_cbp_t << 2)); |
| 1001 | |
| 1002 | /********************************************/ |
| 1003 | /* Bottoms DC CBF = Top DC CBF */ |
| 1004 | /********************************************/ |
| 1005 | ps_dec->u1_yuv_dc_csbp_bot_mb = |
| 1006 | ps_dec->u1_yuv_dc_csbp_topmb; |
| 1007 | |
| 1008 | // set motionvectors as |
| 1009 | // 3B = 2B = 3T |
| 1010 | // 1B = 0B = 2T |
| 1011 | // 3T = 2T = 1T |
| 1012 | // 1T = 0T = 0T |
| 1013 | |
| 1014 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[7] = |
| 1015 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[3]; |
| 1016 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[6] = |
| 1017 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[3]; |
| 1018 | |
| 1019 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[5] = |
| 1020 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[2]; |
| 1021 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[4] = |
| 1022 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[2]; |
| 1023 | |
| 1024 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[3] = |
| 1025 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[1]; |
| 1026 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[2] = |
| 1027 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[1]; |
| 1028 | |
| 1029 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[1] = |
| 1030 | *(UWORD32 *)pu1_left_mv_ctxt_inc_2d[0]; |
| 1031 | |
| 1032 | pi1_left_ref_idx_ctxt_inc[7] = (pi1_left_ref_idx_ctxt_inc[3] |
| 1033 | - 1); |
| 1034 | pi1_left_ref_idx_ctxt_inc[6] = (pi1_left_ref_idx_ctxt_inc[3] |
| 1035 | - 1); |
| 1036 | |
| 1037 | pi1_left_ref_idx_ctxt_inc[5] = (pi1_left_ref_idx_ctxt_inc[1] |
| 1038 | - 1); |
| 1039 | pi1_left_ref_idx_ctxt_inc[4] = (pi1_left_ref_idx_ctxt_inc[1] |
| 1040 | - 1); |
| 1041 | |
| 1042 | pi1_left_ref_idx_ctxt_inc[3] = (pi1_left_ref_idx_ctxt_inc[2] |
| 1043 | - 1); |
| 1044 | pi1_left_ref_idx_ctxt_inc[2] = (pi1_left_ref_idx_ctxt_inc[2] |
| 1045 | - 1); |
| 1046 | |
| 1047 | pi1_left_ref_idx_ctxt_inc[1] = (pi1_left_ref_idx_ctxt_inc[0] |
| 1048 | - 1); |
| 1049 | pi1_left_ref_idx_ctxt_inc[0] = (pi1_left_ref_idx_ctxt_inc[0] |
| 1050 | - 1); |
| 1051 | } |
| 1052 | else |
| 1053 | { |
| 1054 | u1_cbp_t = ps_leftMB->u1_cbp; |
| 1055 | u1_cbp_t = (u1_cbp_t & 0x08); |
| 1056 | ps_tempLeft->u1_cbp = (u1_cbp_t | (u1_cbp_t >> 2)); |
| 1057 | } |
| 1058 | |
| 1059 | { |
| 1060 | UWORD8 i; |
| 1061 | for(i = 0; i < 4; i++) |
| 1062 | { |
| 1063 | pu1_left_mv_ctxt_inc_2d[i][1] <<= 1; |
| 1064 | pu1_left_mv_ctxt_inc_2d[i][3] <<= 1; |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | } |
| 1069 | |
| 1070 | ps_tempLeft->u1_cbp = ps_tempLeft->u1_cbp + ((u1_cr_cpb >> 4) << 4); |
| 1071 | ps_leftMB = ps_tempLeft; |
| 1072 | } |
| 1073 | |
| 1074 | ps_dec->p_left_ctxt_mb_info = ps_leftMB; |
| 1075 | } |
| 1076 | else |
| 1077 | { |
| 1078 | ps_dec->p_left_ctxt_mb_info = p_ctx_inc_mb_map - 1; |
| 1079 | if(!u4_mbskip) |
| 1080 | { |
| 1081 | *(ps_dec->pu1_left_yuv_dc_csbp) = 0; |
| 1082 | |
| 1083 | MEMSET_16BYTES(&pu1_left_mv_ctxt_inc_2d[0][0], 0); |
| 1084 | *(UWORD32 *)pi1_left_ref_idx_ctxt_inc = 0; |
| 1085 | } |
| 1086 | } |
| 1087 | |
| 1088 | /*************************************************************************/ |
| 1089 | /* Now get the top context mb info */ |
| 1090 | /*************************************************************************/ |
| 1091 | { |
| 1092 | UWORD8 (*u1_top_mv_ctxt_inc_arr_2d)[4] = |
| 1093 | ps_dec->ps_curr_ctxt_mb_info->u1_mv; |
| 1094 | WORD8 (*pi1_top_ref_idx_ctxt_inc) = |
| 1095 | ps_dec->ps_curr_ctxt_mb_info->i1_ref_idx; |
| 1096 | UWORD8 uc_topMbFldDecFlag = ps_cur_mb_info->ps_top_mb->u1_mb_fld; |
| 1097 | |
| 1098 | if(u1_mb_ngbr_availablity & TOP_MB_AVAILABLE_MASK) |
| 1099 | { |
| 1100 | if(ps_cur_mb_info->i1_offset) |
| 1101 | ps_dec->p_top_ctxt_mb_info += 1; |
| 1102 | |
| 1103 | if(!u4_mbskip) |
| 1104 | { |
| 1105 | memcpy(u1_top_mv_ctxt_inc_arr_2d, |
| 1106 | &ps_dec->p_top_ctxt_mb_info->u1_mv, 16); |
| 1107 | memcpy(pi1_top_ref_idx_ctxt_inc, |
| 1108 | &ps_dec->p_top_ctxt_mb_info->i1_ref_idx, 4); |
| 1109 | if(uc_topMbFldDecFlag ^ u1_cur_mb_fld_flag) |
| 1110 | { |
| 1111 | UWORD8 i; |
| 1112 | if(u1_cur_mb_fld_flag) |
| 1113 | { |
| 1114 | for(i = 0; i < 4; i++) |
| 1115 | { |
| 1116 | u1_top_mv_ctxt_inc_arr_2d[i][1] >>= 1; |
| 1117 | u1_top_mv_ctxt_inc_arr_2d[i][3] >>= 1; |
| 1118 | } |
| 1119 | } |
| 1120 | else |
| 1121 | { |
| 1122 | for(i = 0; i < 4; i++) |
| 1123 | { |
| 1124 | u1_top_mv_ctxt_inc_arr_2d[i][1] <<= 1; |
| 1125 | u1_top_mv_ctxt_inc_arr_2d[i][3] <<= 1; |
| 1126 | pi1_top_ref_idx_ctxt_inc[i] -= 1; |
| 1127 | } |
| 1128 | } |
| 1129 | } |
| 1130 | } |
| 1131 | } |
| 1132 | else |
| 1133 | { |
| 1134 | ps_dec->p_top_ctxt_mb_info = p_ctx_inc_mb_map - 1; |
| 1135 | if(!u4_mbskip) |
| 1136 | { |
| 1137 | |
| 1138 | MEMSET_16BYTES(&u1_top_mv_ctxt_inc_arr_2d[0][0], 0); |
| 1139 | memset(pi1_top_ref_idx_ctxt_inc, 0, 4); |
| 1140 | } |
| 1141 | } |
| 1142 | } |
| 1143 | |
| 1144 | return OK; |
| 1145 | } |
| 1146 | |
| 1147 | /*****************************************************************************/ |
| 1148 | /* */ |
| 1149 | /* Function Name : ih264d_update_mbaff_left_nnz */ |
| 1150 | /* */ |
| 1151 | /* Description : This function updates the left luma and chroma nnz for */ |
| 1152 | /* mbaff cases. */ |
| 1153 | /* */ |
| 1154 | /* Inputs : <What inputs does the function take?> */ |
| 1155 | /* Globals : <Does it use any global variables?> */ |
| 1156 | /* Processing : <Describe how the function operates - include algorithm */ |
| 1157 | /* description> */ |
| 1158 | /* Outputs : <What does the function produce?> */ |
| 1159 | /* Returns : <What does the function return?> */ |
| 1160 | /* */ |
| 1161 | /* Issues : <List any issues or problems with this function> */ |
| 1162 | /* */ |
| 1163 | /* Revision History: */ |
| 1164 | /* */ |
| 1165 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 1166 | /* 13 07 2002 Ittiam Draft */ |
| 1167 | /* */ |
| 1168 | /*****************************************************************************/ |
| 1169 | void ih264d_update_mbaff_left_nnz(dec_struct_t * ps_dec, |
| 1170 | dec_mb_info_t * ps_cur_mb_info) |
| 1171 | { |
| 1172 | UWORD32 *pu4_buf; |
| 1173 | UWORD8 *pu1_buf; |
| 1174 | if(ps_cur_mb_info->u1_topmb) |
| 1175 | { |
| 1176 | pu1_buf = ps_dec->pu1_left_nnz_y; |
| 1177 | pu4_buf = (UWORD32 *)pu1_buf; |
| 1178 | ps_dec->u4_n_left_temp_y = *pu4_buf; |
| 1179 | |
| 1180 | pu1_buf = ps_dec->pu1_left_nnz_uv; |
| 1181 | pu4_buf = (UWORD32 *)pu1_buf; |
| 1182 | ps_dec->u4_n_left_temp_uv = *pu4_buf; |
| 1183 | } |
| 1184 | else |
| 1185 | { |
| 1186 | |
| 1187 | ps_dec->u4_n_leftY[0] = ps_dec->u4_n_left_temp_y; |
| 1188 | pu1_buf = ps_dec->pu1_left_nnz_y; |
| 1189 | pu4_buf = (UWORD32 *)pu1_buf; |
| 1190 | ps_dec->u4_n_leftY[1] = *pu4_buf; |
| 1191 | ps_dec->u4_n_left_cr[0] = ps_dec->u4_n_left_temp_uv; |
| 1192 | pu1_buf = ps_dec->pu1_left_nnz_uv; |
| 1193 | pu4_buf = (UWORD32 *)pu1_buf; |
| 1194 | ps_dec->u4_n_left_cr[1] = *pu4_buf; |
| 1195 | |
| 1196 | } |
| 1197 | } |
| 1198 | |
| 1199 | /*! |
| 1200 | ************************************************************************** |
| 1201 | * \if Function name : ih264d_get_mbaff_neighbours \endif |
| 1202 | * |
| 1203 | * \brief |
| 1204 | * Gets the neighbors for the current MB if it is of type MB-AFF |
| 1205 | * frame. |
| 1206 | * |
| 1207 | * \return |
| 1208 | * None |
| 1209 | * |
| 1210 | ************************************************************************** |
| 1211 | */ |
| 1212 | void ih264d_get_mbaff_neighbours(dec_struct_t * ps_dec, |
| 1213 | dec_mb_info_t * ps_cur_mb_info, |
| 1214 | UWORD8 uc_curMbFldDecFlag) |
| 1215 | { |
| 1216 | |
| 1217 | mb_neigbour_params_t *ps_left_mb; |
| 1218 | mb_neigbour_params_t *ps_top_mb; |
| 1219 | mb_neigbour_params_t *ps_top_right_mb = NULL; |
| 1220 | mb_neigbour_params_t *ps_curmb; |
| 1221 | const UWORD8 u1_topmb = ps_cur_mb_info->u1_topmb; |
| 1222 | const UWORD8 uc_botMb = 1 - u1_topmb; |
| 1223 | const UWORD32 u4_mb_x = ps_cur_mb_info->u2_mbx; |
| 1224 | |
| 1225 | /* Current MbParams location in top row buffer */ |
| 1226 | ps_curmb = ps_dec->ps_cur_mb_row + (u4_mb_x << 1) + uc_botMb; |
| 1227 | ps_left_mb = ps_curmb - 2; |
| 1228 | /* point to A if top else A+1 */ |
| 1229 | if(uc_botMb && (ps_left_mb->u1_mb_fld != uc_curMbFldDecFlag)) |
| 1230 | { |
| 1231 | /* move from A + 1 to A */ |
| 1232 | ps_left_mb--; |
| 1233 | } |
| 1234 | ps_cur_mb_info->i1_offset = 0; |
| 1235 | if((uc_curMbFldDecFlag == 0) && uc_botMb) |
| 1236 | { |
| 1237 | mb_neigbour_params_t *ps_topleft_mb; |
| 1238 | /* CurMbAddr - 1 */ |
| 1239 | ps_top_mb = ps_curmb - 1; |
| 1240 | |
| 1241 | /* Mark Top right Not available */ |
| 1242 | /* point to A */ |
| 1243 | ps_topleft_mb = ps_curmb - 3; |
| 1244 | |
| 1245 | if(ps_topleft_mb->u1_mb_fld) |
| 1246 | { |
| 1247 | /* point to A + 1 */ |
| 1248 | ps_topleft_mb++; |
| 1249 | } |
| 1250 | ps_cur_mb_info->u1_topleft_mb_fld = ps_topleft_mb->u1_mb_fld; |
| 1251 | ps_cur_mb_info->u1_topleft_mbtype = ps_topleft_mb->u1_mb_type; |
| 1252 | } |
| 1253 | else |
| 1254 | { |
| 1255 | /* Top = B + 1 */ |
| 1256 | ps_top_mb = ps_dec->ps_top_mb_row + (u4_mb_x << 1) + 1; |
| 1257 | ps_top_right_mb = ps_top_mb + 2; |
| 1258 | ps_cur_mb_info->i1_offset = 4; |
| 1259 | /* TopRight = C + 1 */ |
| 1260 | |
| 1261 | /* TopLeft = D+1 */ |
| 1262 | ps_cur_mb_info->u1_topleft_mb_fld = ps_dec->u1_topleft_mb_fld_bot; |
| 1263 | ps_cur_mb_info->u1_topleft_mbtype = ps_dec->u1_topleft_mbtype_bot; |
| 1264 | |
| 1265 | if(uc_curMbFldDecFlag && u1_topmb) |
| 1266 | { |
| 1267 | if(ps_top_mb->u1_mb_fld) |
| 1268 | { |
| 1269 | /* MbAddrB */ |
| 1270 | ps_top_mb--; |
| 1271 | ps_cur_mb_info->i1_offset = 0; |
| 1272 | } |
| 1273 | /* If topright is field then point to C */ |
| 1274 | ps_top_right_mb -= ps_top_right_mb->u1_mb_fld ? 1 : 0; |
| 1275 | if(ps_cur_mb_info->u1_topleft_mb_fld) |
| 1276 | { |
| 1277 | /* TopLeft = D */ |
| 1278 | ps_cur_mb_info->u1_topleft_mb_fld = ps_dec->u1_topleft_mb_fld; |
| 1279 | ps_cur_mb_info->u1_topleft_mbtype = ps_dec->u1_topleft_mbtype; |
| 1280 | } |
| 1281 | } |
| 1282 | } |
| 1283 | if(u1_topmb) |
| 1284 | { |
| 1285 | /* Update the parameters of topleftmb*/ |
| 1286 | ps_dec->u1_topleft_mb_fld = ps_top_mb->u1_mb_fld; |
| 1287 | ps_dec->u1_topleft_mbtype = ps_top_mb->u1_mb_type; |
| 1288 | /* Set invscan and dequantMatrixScan*/ |
| 1289 | if(uc_curMbFldDecFlag) |
| 1290 | { |
| 1291 | ps_dec->pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan_fld; |
| 1292 | } |
| 1293 | else |
| 1294 | { |
| 1295 | ps_dec->pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan; |
| 1296 | } |
| 1297 | ps_dec->pu2_quant_scale_y = |
| 1298 | gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_y_rem6]; |
| 1299 | ps_dec->pu2_quant_scale_u = |
| 1300 | gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_u_rem6]; |
| 1301 | ps_dec->pu2_quant_scale_v = |
| 1302 | gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_v_rem6]; |
| 1303 | |
| 1304 | } |
| 1305 | else |
| 1306 | { |
| 1307 | /* Update the parameters of topleftmb*/ |
| 1308 | mb_neigbour_params_t *ps_top_mb_temp = ps_dec->ps_top_mb_row |
| 1309 | + (u4_mb_x << 1) + 1; |
| 1310 | ps_dec->u1_topleft_mb_fld_bot = ps_top_mb_temp->u1_mb_fld; |
| 1311 | ps_dec->u1_topleft_mbtype_bot = ps_top_mb_temp->u1_mb_type; |
| 1312 | } |
| 1313 | |
| 1314 | ps_cur_mb_info->ps_left_mb = ps_left_mb; |
| 1315 | ps_cur_mb_info->ps_top_mb = ps_top_mb; |
| 1316 | ps_cur_mb_info->ps_top_right_mb = ps_top_right_mb; |
| 1317 | ps_cur_mb_info->ps_curmb = ps_curmb; |
| 1318 | ps_curmb->u1_mb_fld = uc_curMbFldDecFlag; |
| 1319 | |
| 1320 | { |
| 1321 | /* Form Left NNZ */ |
| 1322 | UWORD8 u1_is_left_mb_fld = ps_left_mb->u1_mb_fld; |
| 1323 | UWORD8 *pu1_left_mb_pair_nnz_y = (UWORD8 *)&ps_dec->u4_n_leftY[0]; |
| 1324 | UWORD8 *pu1_left_mb_pair_nnz_uv = (UWORD8 *)&ps_dec->u4_n_left_cr[0]; |
| 1325 | UWORD8 *pu1_left_nnz_y = ps_dec->pu1_left_nnz_y; |
| 1326 | UWORD8 *pu1_left_nnz_uv = ps_dec->pu1_left_nnz_uv; |
| 1327 | |
| 1328 | if(uc_curMbFldDecFlag == u1_is_left_mb_fld) |
| 1329 | { |
| 1330 | *(UWORD32 *)pu1_left_nnz_y = *(UWORD32 *)(pu1_left_mb_pair_nnz_y |
| 1331 | + (uc_botMb << 2)); |
| 1332 | *(UWORD32 *)pu1_left_nnz_uv = *(UWORD32 *)(pu1_left_mb_pair_nnz_uv |
| 1333 | + (uc_botMb << 2)); |
| 1334 | } |
| 1335 | else if((uc_curMbFldDecFlag == 0) && u1_topmb && u1_is_left_mb_fld) |
| 1336 | { |
| 1337 | /* 0 0 1 1 of u4_n_leftY[0], 0 0 2 2 of u4_n_left_cr[0] */ |
| 1338 | pu1_left_nnz_y[0] = pu1_left_nnz_y[1] = pu1_left_mb_pair_nnz_y[0]; |
| 1339 | pu1_left_nnz_y[2] = pu1_left_nnz_y[3] = pu1_left_mb_pair_nnz_y[1]; |
| 1340 | pu1_left_nnz_uv[0] = pu1_left_nnz_uv[1] = |
| 1341 | pu1_left_mb_pair_nnz_uv[0]; |
| 1342 | pu1_left_nnz_uv[2] = pu1_left_nnz_uv[3] = |
| 1343 | pu1_left_mb_pair_nnz_uv[2]; |
| 1344 | } |
| 1345 | else if((uc_curMbFldDecFlag == 0) && uc_botMb && u1_is_left_mb_fld) |
| 1346 | { |
| 1347 | /* 2 2 3 3 of u4_n_leftY[0] , 1 1 3 3 of u4_n_left_cr[0] */ |
| 1348 | pu1_left_nnz_y[0] = pu1_left_nnz_y[1] = pu1_left_mb_pair_nnz_y[2]; |
| 1349 | pu1_left_nnz_y[2] = pu1_left_nnz_y[3] = pu1_left_mb_pair_nnz_y[3]; |
| 1350 | pu1_left_nnz_uv[0] = pu1_left_nnz_uv[1] = |
| 1351 | pu1_left_mb_pair_nnz_uv[1]; |
| 1352 | pu1_left_nnz_uv[2] = pu1_left_nnz_uv[3] = |
| 1353 | pu1_left_mb_pair_nnz_uv[3]; |
| 1354 | } |
| 1355 | else |
| 1356 | { |
| 1357 | /* 0 2 0 2 of u4_n_leftY[0], u4_n_leftY[1] */ |
| 1358 | pu1_left_nnz_y[0] = pu1_left_mb_pair_nnz_y[0]; |
| 1359 | pu1_left_nnz_y[1] = pu1_left_mb_pair_nnz_y[2]; |
| 1360 | pu1_left_nnz_y[2] = pu1_left_mb_pair_nnz_y[4 + 0]; |
| 1361 | pu1_left_nnz_y[3] = pu1_left_mb_pair_nnz_y[4 + 2]; |
| 1362 | |
| 1363 | /* 0 of u4_n_left_cr[0] and 0 u4_n_left_cr[1] |
| 1364 | 2 of u4_n_left_cr[0] and 2 u4_n_left_cr[1] */ |
| 1365 | pu1_left_nnz_uv[0] = pu1_left_mb_pair_nnz_uv[0]; |
| 1366 | pu1_left_nnz_uv[1] = pu1_left_mb_pair_nnz_uv[4 + 0]; |
| 1367 | pu1_left_nnz_uv[2] = pu1_left_mb_pair_nnz_uv[2]; |
| 1368 | pu1_left_nnz_uv[3] = pu1_left_mb_pair_nnz_uv[4 + 2]; |
| 1369 | } |
| 1370 | } |
| 1371 | } |
| 1372 | |
| 1373 | /* |
| 1374 | ************************************************************************** |
| 1375 | * \if Function name : ih264d_transfer_mb_group_data \endif |
| 1376 | * |
| 1377 | * \brief |
| 1378 | * Transfer the Following things |
| 1379 | * N-Mb DeblkParams Data ( To Ext DeblkParams Buffer ) |
| 1380 | * N-Mb Recon Data ( To Ext Frame Buffer ) |
| 1381 | * N-Mb Intrapredline Data ( Updated Internally) |
| 1382 | * N-Mb MV Data ( To Ext MV Buffer ) |
| 1383 | * N-Mb MVTop/TopRight Data ( To Int MV Top Scratch Buffers) |
| 1384 | * |
| 1385 | * \return |
| 1386 | * None |
| 1387 | * |
| 1388 | ************************************************************************** |
| 1389 | */ |
| 1390 | void ih264d_transfer_mb_group_data(dec_struct_t * ps_dec, |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 1391 | const UWORD8 u1_num_mbs, |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1392 | const UWORD8 u1_end_of_row, /* Cur n-Mb End of Row Flag */ |
| 1393 | const UWORD8 u1_end_of_row_next /* Next n-Mb End of Row Flag */ |
| 1394 | ) |
| 1395 | { |
| 1396 | dec_mb_info_t *ps_cur_mb_info = ps_dec->ps_nmb_info; |
| 1397 | tfr_ctxt_t *ps_trns_addr = &ps_dec->s_tran_addrecon; |
| 1398 | UWORD16 u2_mb_y; |
| 1399 | UWORD32 y_offset; |
| 1400 | UWORD32 u4_frame_stride; |
| 1401 | mb_neigbour_params_t *ps_temp; |
| 1402 | const UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; |
| 1403 | UNUSED(u1_end_of_row_next); |
| 1404 | |
| 1405 | ps_trns_addr->pu1_dest_y += ps_trns_addr->u4_inc_y[u1_end_of_row]; |
| 1406 | ps_trns_addr->pu1_dest_u += ps_trns_addr->u4_inc_uv[u1_end_of_row]; |
| 1407 | ps_trns_addr->pu1_dest_v += ps_trns_addr->u4_inc_uv[u1_end_of_row]; |
| 1408 | |
| 1409 | /* Swap top and current pointers */ |
| 1410 | if(u1_end_of_row) |
| 1411 | { |
| 1412 | |
| 1413 | if(ps_dec->u1_separate_parse) |
| 1414 | { |
| 1415 | u2_mb_y = ps_dec->i2_dec_thread_mb_y; |
| 1416 | } |
| 1417 | else |
| 1418 | { |
| 1419 | ps_temp = ps_dec->ps_cur_mb_row; |
| 1420 | ps_dec->ps_cur_mb_row = ps_dec->ps_top_mb_row; |
| 1421 | ps_dec->ps_top_mb_row = ps_temp; |
| 1422 | |
| 1423 | u2_mb_y = ps_dec->u2_mby + (1 + u1_mbaff); |
| 1424 | } |
| 1425 | |
| 1426 | u4_frame_stride = ps_dec->u2_frm_wd_y |
| 1427 | << ps_dec->ps_cur_slice->u1_field_pic_flag; |
| 1428 | y_offset = (u2_mb_y * u4_frame_stride) << 4; |
| 1429 | ps_trns_addr->pu1_dest_y = ps_dec->s_cur_pic.pu1_buf1 + y_offset; |
| 1430 | |
| 1431 | u4_frame_stride = ps_dec->u2_frm_wd_uv |
| 1432 | << ps_dec->ps_cur_slice->u1_field_pic_flag; |
| 1433 | y_offset = (u2_mb_y * u4_frame_stride) << 3; |
| 1434 | ps_trns_addr->pu1_dest_u = ps_dec->s_cur_pic.pu1_buf2 + y_offset; |
| 1435 | ps_trns_addr->pu1_dest_v = ps_dec->s_cur_pic.pu1_buf3 + y_offset; |
| 1436 | |
| 1437 | ps_trns_addr->pu1_mb_y = ps_trns_addr->pu1_dest_y; |
| 1438 | ps_trns_addr->pu1_mb_u = ps_trns_addr->pu1_dest_u; |
| 1439 | ps_trns_addr->pu1_mb_v = ps_trns_addr->pu1_dest_v; |
| 1440 | } |
| 1441 | |
| 1442 | /* |
| 1443 | * The Slice boundary is also a valid condition to transfer. So recalculate |
| 1444 | * the Left increment, in case the number of MBs is lesser than the |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 1445 | * N MB value. u1_num_mbs will be equal to N of N MB if the entire N Mb is |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1446 | * decoded. |
| 1447 | */ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 1448 | ps_dec->s_tran_addrecon.u2_mv_left_inc = ((u1_num_mbs >> u1_mbaff) - 1) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1449 | << (4 + u1_mbaff); |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 1450 | ps_dec->s_tran_addrecon.u2_mv_top_left_inc = (u1_num_mbs << 2) - 1 |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1451 | - (u1_mbaff << 2); |
| 1452 | |
| 1453 | if(ps_dec->u1_separate_parse == 0) |
| 1454 | { |
| 1455 | /* reassign left MV and cur MV pointers */ |
| 1456 | ps_dec->ps_mv_left = ps_dec->ps_mv_cur |
| 1457 | + ps_dec->s_tran_addrecon.u2_mv_left_inc; |
| 1458 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 1459 | ps_dec->ps_mv_cur += (u1_num_mbs << 4); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1460 | } |
| 1461 | |
| 1462 | /* Increment deblock parameters pointer in external memory */ |
| 1463 | |
Harish Mahendrakar | 34b3e47 | 2015-08-04 09:55:15 +0530 | [diff] [blame] | 1464 | if(ps_dec->u1_separate_parse == 0) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1465 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 1466 | ps_dec->ps_deblk_mbn += u1_num_mbs; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1467 | } |
| 1468 | |
| 1469 | } |
| 1470 | |