Coverage Report

Created: 2026-06-30 06:55

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libavc/decoder/ih264d_process_bslice.c
Line
Count
Source
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_process_bslice.c
23
 *
24
 * \brief
25
 *    Contains routines that decode B slice type
26
 *
27
 * Detailed_description
28
 *
29
 * \date
30
 *    21/12/2002
31
 *
32
 * \author  NS
33
 **************************************************************************
34
 */
35
#include "ih264_typedefs.h"
36
#include "ih264_macros.h"
37
#include "ih264_platform_macros.h"
38
39
#include <string.h>
40
#include "ih264d_structs.h"
41
#include "ih264d_bitstrm.h"
42
#include "ih264d_parse_cavlc.h"
43
#include "ih264d_mb_utils.h"
44
#include "ih264d_mvpred.h"
45
#include "ih264d_inter_pred.h"
46
#include "ih264d_process_pslice.h"
47
#include "ih264d_error_handler.h"
48
#include "ih264d_tables.h"
49
#include "ih264d_parse_slice.h"
50
#include "ih264d_process_pslice.h"
51
#include "ih264d_process_bslice.h"
52
#include "ih264d_tables.h"
53
#include "ih264d_parse_islice.h"
54
#include "ih264d_mvpred.h"
55
56
void ih264d_init_cabac_contexts(UWORD8 u1_slice_type, dec_struct_t * ps_dec);
57
//UWORD32 g_hits = 0;
58
//UWORD32 g_miss = 0;
59
/*!
60
 **************************************************************************
61
 * \if Function name : ih264d_decode_spatial_direct \endif
62
 *
63
 * \brief
64
 *    Decodes spatial direct mode.
65
 *
66
 * \return
67
 *    None.
68
 *    Arunoday T
69
 **************************************************************************
70
 */
71
WORD32 ih264d_decode_spatial_direct(dec_struct_t * ps_dec,
72
                                    UWORD8 u1_wd_x,
73
                                    dec_mb_info_t * ps_cur_mb_info,
74
                                    UWORD32 u4_mb_num)
75
1.70M
{
76
1.70M
    mv_pred_t s_mv_pred, *ps_mv;
77
1.70M
    UWORD32 u4_sub_mb_num;
78
1.70M
    UWORD8 u1_col_zero_flag, u1_direct_zero_pred_flag = 0;
79
1.70M
    UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag;
80
1.70M
    mv_pred_t *ps_mv_ntop_start;
81
1.70M
    mv_pred_t *ps_mv_nmb_start = ps_dec->ps_mv_cur + (u4_mb_num << 4);
82
1.70M
    UWORD8 partition_size, sub_partition, u1_mb_partw, u1_mb_parth;
83
1.70M
    UWORD8 i;
84
1.70M
    WORD8 i1_pred, i1_ref_frame0, i1_ref_frame1;
85
1.70M
    struct pic_buffer_t *ps_ref_frame = NULL, *ps_col_pic, *ps_pic_buff0 = NULL,
86
1.70M
                    *ps_pic_buff1 = NULL;
87
88
1.70M
    UWORD8 u1_zero_pred_cond_f, u1_zero_pred_cond_b;
89
1.70M
    WORD16 i2_def_mv[2], i2_spat_pred_mv[4], *pi2_final_mv0, *pi2_final_mv1;
90
1.70M
    UWORD16 ui2_mask_fwd = 0, ui2_mask_bwd = 0, u2_mask = 0;
91
1.70M
    UWORD32 *pui32_weight_ofsts = NULL;
92
1.70M
    directmv_t s_mvdirect;
93
1.70M
    UWORD8 u1_colz;
94
1.70M
    UWORD8 u1_final_ref_idx = 0;
95
1.70M
    const UWORD8 *pu1_mb_parth = (const UWORD8 *)gau1_ih264d_mb_parth;
96
1.70M
    const UWORD8 *pu1_mb_partw = (const UWORD8 *)gau1_ih264d_mb_partw;
97
1.70M
    const UWORD16 sub_mask_table[] =
98
1.70M
        { 0x33, 0x3, 0x11, 0x1 };
99
1.70M
    const UWORD16 mask_table[] =
100
1.70M
        { 0xffff, /*16x16 NA */
101
1.70M
          0xff, /* 16x8*/
102
1.70M
          0x3333, /* 8x16*/
103
1.70M
          0x33 };/* 8x8*/
104
1.70M
    mv_pred_t s_temp_mv_pred;
105
1.70M
    WORD32 ret = 0;
106
107
    /* CHANGED CODE */
108
1.70M
    ps_mv_ntop_start = ps_dec->ps_mv_cur + (u4_mb_num << 4)
109
1.70M
                    - (ps_dec->u2_frm_wd_in_mbs << (4 + u1_mbaff)) + 12;
110
111
    /* assign default values for MotionVector as zero */
112
1.70M
    i2_def_mv[0] = 0;
113
1.70M
    i2_def_mv[1] = 0;
114
115
1.70M
    u1_direct_zero_pred_flag = ps_dec->pf_mvpred(ps_dec, ps_cur_mb_info, ps_mv_nmb_start,
116
1.70M
                                              ps_mv_ntop_start, &s_mv_pred, 0, 4,
117
1.70M
                                              0, 1, B_DIRECT_SPATIAL);
118
119
1.70M
    i2_spat_pred_mv[0] = s_mv_pred.i2_mv[0];
120
1.70M
    i2_spat_pred_mv[1] = s_mv_pred.i2_mv[1];
121
1.70M
    i2_spat_pred_mv[2] = s_mv_pred.i2_mv[2];
122
1.70M
    i2_spat_pred_mv[3] = s_mv_pred.i2_mv[3];
123
124
1.70M
    i1_ref_frame0 = s_mv_pred.i1_ref_frame[0];
125
1.70M
    i1_ref_frame1 = s_mv_pred.i1_ref_frame[1];
126
127
1.70M
    i1_ref_frame0 = (i1_ref_frame0 < 0) ? -1 : i1_ref_frame0;
128
1.70M
    i1_ref_frame1 = (i1_ref_frame1 < 0) ? -1 : i1_ref_frame1;
129
130
1.70M
    i1_pred = 0;
131
132
1.70M
    {
133
1.70M
        WORD8 u1_ref_idx, u1_ref_idx1;
134
1.70M
        UWORD32 uc_Idx, uc_Idx1;
135
1.70M
        UWORD8 u1_scale_ref = (ps_dec->ps_cur_slice->u1_mbaff_frame_flag
136
11.2k
                        && ps_cur_mb_info->u1_mb_field_decodingflag);
137
1.70M
        u1_final_ref_idx = i1_ref_frame0;
138
1.70M
        if(i1_ref_frame0 >= 0)
139
1.62M
        {
140
            /* convert RefIdx if it is MbAff */
141
1.62M
            u1_ref_idx = i1_ref_frame0;
142
1.62M
            u1_ref_idx1 = i1_ref_frame0;
143
1.62M
            if(u1_scale_ref)
144
1.67k
            {
145
1.67k
                u1_ref_idx1 = u1_ref_idx >> 1;
146
1.67k
                if((u1_ref_idx & 0x01) != (1 - ps_cur_mb_info->u1_topmb))
147
783
                    u1_ref_idx1 += MAX_REF_BUFS;
148
1.67k
            }
149
            /* If i1_ref_frame0 < 0 then refIdxCol is obtained from ps_pic_buff1 */
150
1.62M
            ps_pic_buff0 = ps_dec->ps_ref_pic_buf_lx[0][u1_ref_idx1];
151
1.62M
            ps_ref_frame = ps_pic_buff0;
152
1.62M
            i1_pred = PRED_L0;
153
1.62M
        }
154
155
1.70M
        if(i1_ref_frame1 >= 0)
156
1.65M
        {
157
            /* convert RefIdx if it is MbAff */
158
1.65M
            u1_ref_idx = i1_ref_frame1;
159
1.65M
            u1_ref_idx1 = i1_ref_frame1;
160
1.65M
            if(u1_scale_ref)
161
1.91k
            {
162
1.91k
                u1_ref_idx1 = u1_ref_idx >> 1;
163
1.91k
                if((u1_ref_idx & 0x01) != (1 - ps_cur_mb_info->u1_topmb))
164
938
                    u1_ref_idx1 += MAX_REF_BUFS;
165
1.91k
            }
166
1.65M
            ps_pic_buff1 = ps_dec->ps_ref_pic_buf_lx[1][u1_ref_idx1];
167
1.65M
            i1_pred = i1_pred | PRED_L1;
168
1.65M
        }
169
1.70M
        if(i1_ref_frame0 < 0)
170
74.7k
        {
171
74.7k
            ps_ref_frame = ps_pic_buff1;
172
74.7k
            u1_final_ref_idx = i1_ref_frame1;
173
74.7k
        }
174
175
1.70M
        u1_zero_pred_cond_f = (u1_direct_zero_pred_flag) || (i1_ref_frame0 < 0);
176
1.70M
        u1_zero_pred_cond_b = (u1_direct_zero_pred_flag) || (i1_ref_frame1 < 0);
177
178
1.70M
        if(ps_dec->ps_cur_pps->u1_wted_bipred_idc)
179
874k
        {
180
874k
            uc_Idx = ((i1_ref_frame0 < 1) ? 0 : i1_ref_frame0)
181
874k
                            * ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1];
182
874k
            if(u1_scale_ref)
183
1.59k
                uc_Idx >>= 1;
184
874k
            uc_Idx1 = (i1_ref_frame1 < 0) ? 0 : i1_ref_frame1;
185
874k
            uc_Idx += (u1_scale_ref) ? (uc_Idx1 >> 1) : uc_Idx1;
186
874k
            pui32_weight_ofsts =
187
874k
                            (UWORD32*)&ps_dec->pu4_wt_ofsts[2 * X3(uc_Idx)];
188
189
874k
            if(i1_ref_frame0 < 0)
190
55.1k
                pui32_weight_ofsts += 1;
191
192
874k
            if(u1_scale_ref && (ps_dec->ps_cur_pps->u1_wted_bipred_idc == 2))
193
1.00k
            {
194
1.00k
                WORD16 i2_ref_idx;
195
1.00k
                i2_ref_idx = MAX(i1_ref_frame0, 0);
196
1.00k
                i2_ref_idx *= (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1]
197
1.00k
                                << 1);
198
1.00k
                i2_ref_idx += MAX(i1_ref_frame1, 0);
199
1.00k
                if(!ps_cur_mb_info->u1_topmb)
200
500
                    i2_ref_idx +=
201
500
                                    (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0]
202
500
                                                    << 1)
203
500
                                                    * (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1]
204
500
                                                                    << 1);
205
1.00k
                pui32_weight_ofsts = (UWORD32*)&ps_dec->pu4_mbaff_wt_mat[2
206
1.00k
                                * X3(i2_ref_idx)];
207
1.00k
            }
208
874k
        }
209
1.70M
    }
210
211
1.70M
    s_temp_mv_pred.i1_ref_frame[0] = i1_ref_frame0;
212
1.70M
    s_temp_mv_pred.i1_ref_frame[1] = i1_ref_frame1;
213
1.70M
    s_temp_mv_pred.u1_col_ref_pic_idx = ps_ref_frame->u1_mv_buf_id;
214
1.70M
    s_temp_mv_pred.u1_pic_type = ps_ref_frame->u1_pic_type;
215
216
    /**********************************************************************/
217
    /* Call the function which gets the number of partitions and          */
218
    /* partition info of colocated Mb                                     */
219
    /**********************************************************************/
220
221
1.70M
    ps_dec->pf_parse_mvdirect(ps_dec, ps_dec->ps_col_pic, &s_mvdirect, u1_wd_x,
222
1.70M
                           ps_dec->i4_submb_ofst, ps_cur_mb_info);
223
1.70M
    ps_col_pic = ps_dec->ps_col_pic;
224
1.70M
    if((s_mvdirect.u1_col_zeroflag_change == 0) || u1_direct_zero_pred_flag)
225
1.65M
    {
226
1.65M
        WORD16 i2_mv_x, i2_mv_y, i2_mvX1, i2_mvY1;
227
        /* Most probable case */
228
1.65M
        u1_col_zero_flag = *(ps_col_pic->pu1_col_zero_flag
229
1.65M
                        + s_mvdirect.i4_mv_indices[0]);
230
1.65M
        u1_col_zero_flag = u1_col_zero_flag & 0x01;
231
232
1.65M
        if(u1_zero_pred_cond_f || ((i1_ref_frame0 == 0) && (u1_col_zero_flag == 1)))
233
1.05M
        {
234
1.05M
            i2_mv_x = 0;
235
1.05M
            i2_mv_y = 0;
236
1.05M
        }
237
598k
        else
238
598k
        {
239
598k
            i2_mv_x = i2_spat_pred_mv[0];
240
598k
            i2_mv_y = i2_spat_pred_mv[1];
241
242
598k
        }
243
244
1.65M
        if(u1_zero_pred_cond_b || ((i1_ref_frame1 == 0) && (u1_col_zero_flag == 1)))
245
1.03M
        {
246
1.03M
            i2_mvX1 = 0;
247
1.03M
            i2_mvY1 = 0;
248
1.03M
        }
249
620k
        else
250
620k
        {
251
620k
            i2_mvX1 = i2_spat_pred_mv[2];
252
620k
            i2_mvY1 = i2_spat_pred_mv[3];
253
620k
        }
254
255
1.65M
        u4_sub_mb_num = ps_dec->u1_sub_mb_num;
256
1.65M
        u1_mb_partw = (u1_wd_x >> 2);
257
258
259
1.65M
        if(i1_ref_frame0 >= 0)
260
1.58M
        {
261
1.58M
            {
262
1.58M
               pred_info_pkd_t *ps_pred_pkd;
263
1.58M
               WORD16 i2_mv[2];
264
1.58M
               WORD8 i1_ref_idx= 0;
265
266
1.58M
               i2_mv[0] = i2_mv_x;
267
1.58M
               i2_mv[1] = i2_mv_y;
268
269
1.58M
               ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
270
1.58M
            ih264d_fill_pred_info(i2_mv,u1_mb_partw,u1_mb_partw,u4_sub_mb_num,i1_pred,
271
1.58M
                            ps_pred_pkd,ps_pic_buff0->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
272
1.58M
                            ps_pic_buff0->u1_pic_type);
273
1.58M
            ps_dec->u4_pred_info_pkd_idx++;
274
1.58M
            ps_cur_mb_info->u1_num_pred_parts++;
275
276
277
1.58M
            }
278
279
1.58M
        }
280
281
1.65M
        if(i1_ref_frame1 >= 0)
282
1.61M
        {
283
1.61M
            {
284
1.61M
                pred_info_pkd_t *ps_pred_pkd;
285
1.61M
               WORD16 i2_mv[2];
286
1.61M
               WORD8 i1_ref_idx= 0;
287
288
1.61M
               i2_mv[0] = i2_mvX1;
289
1.61M
               i2_mv[1] = i2_mvY1;
290
291
1.61M
               ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
292
1.61M
            ih264d_fill_pred_info(i2_mv,u1_mb_partw,u1_mb_partw,u4_sub_mb_num,i1_pred,
293
1.61M
                            ps_pred_pkd,ps_pic_buff1->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
294
1.61M
                            ps_pic_buff1->u1_pic_type);
295
1.61M
            ps_dec->u4_pred_info_pkd_idx++;
296
1.61M
            ps_cur_mb_info->u1_num_pred_parts++;
297
298
299
1.61M
            }
300
1.61M
        }
301
302
303
        /* Replication optimisation */
304
1.65M
        s_temp_mv_pred.i2_mv[0] = i2_mv_x;
305
1.65M
        s_temp_mv_pred.i2_mv[1] = i2_mv_y;
306
1.65M
        s_temp_mv_pred.i2_mv[2] = i2_mvX1;
307
1.65M
        s_temp_mv_pred.i2_mv[3] = i2_mvY1;
308
309
        /* Calculating colocated zero information */
310
1.65M
        {
311
            /*************************************/
312
            /* If(bit2 and bit3 set)             */
313
            /* then                              */
314
            /*  (bit0 and bit1) => submmbmode    */
315
            /*  (bit2 and bit3) => mbmode        */
316
            /* else                              */
317
            /*  (bit0 and bit1) => mbmode        */
318
            /*************************************/
319
            /*UWORD8 u1_packed_mb_sub_mb_mode = sub_partition ?
320
             (s_mvdirect.i1_partitionsize[0]) : ((s_mvdirect.i1_partitionsize[0]) << 2);*/
321
1.65M
            UWORD8 u1_packed_mb_sub_mb_mode = (u1_mb_partw == 2) ? 0x03 : 0;
322
323
1.65M
            if(i1_ref_frame0 < 0)
324
70.6k
            {
325
70.6k
                i2_mv_x = i2_mvX1;
326
70.6k
                i2_mv_y = i2_mvY1;
327
70.6k
            }
328
329
            /* Change from left shift 4 to 6 - Varun */
330
1.65M
            u1_colz = (ps_cur_mb_info->u1_mb_field_decodingflag << 1)
331
1.65M
                            | ((u1_final_ref_idx == 0) && (ABS(i2_mv_x) <= 1)
332
1.33M
                                            && (ABS(i2_mv_y) <= 1));
333
1.65M
            u1_colz |= (u1_packed_mb_sub_mb_mode << 6);
334
1.65M
        }
335
1.65M
        ps_mv = ps_mv_nmb_start + u4_sub_mb_num;
336
1.65M
        ih264d_rep_mv_colz(ps_dec, &s_temp_mv_pred, ps_mv, u4_sub_mb_num, u1_colz,
337
1.65M
                           u1_mb_partw, u1_mb_partw);
338
1.65M
        if(u1_wd_x == MB_SIZE)
339
1.64M
            ps_dec->u1_currB_type = 0;
340
341
342
343
1.65M
        return OK;
344
1.65M
    }
345
    /***************************************************************************/
346
    /* If present MB is 16x16 and the partition of colocated Mb is >= PRED_8x8 */
347
    /* i.e 8x8 or less than 8x8 partitions then set up DMA for (0,0) and       */
348
    /* spatially predicted motion vector and do the multiplexing after         */
349
    /* motion compensation                                                     */
350
    /***************************************************************************/
351
352
353
48.1k
    if((u1_wd_x == MB_SIZE) && (s_mvdirect.i1_num_partitions > 2))
354
4.33k
    {
355
4.33k
        ps_cur_mb_info->u1_Mux = 1;
356
4.33k
        if(i1_ref_frame0 >= 0)
357
3.23k
        {
358
359
3.23k
            {
360
3.23k
                pred_info_pkd_t *ps_pred_pkd;
361
3.23k
               WORD8 i1_ref_idx= 0;
362
363
3.23k
               ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
364
3.23k
            ih264d_fill_pred_info(&(i2_spat_pred_mv[0]),4,4,0,i1_pred,
365
3.23k
                            ps_pred_pkd,ps_pic_buff0->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
366
3.23k
                            ps_pic_buff0->u1_pic_type);
367
3.23k
            ps_dec->u4_pred_info_pkd_idx++;
368
3.23k
            ps_cur_mb_info->u1_num_pred_parts++;
369
370
371
3.23k
            }
372
373
            /******    (0,0) Motion vectors DMA     *****/
374
3.23k
            {
375
3.23k
                pred_info_pkd_t *ps_pred_pkd;
376
3.23k
               WORD16 i2_mv[2];
377
3.23k
               WORD8 i1_ref_idx= 0;
378
379
3.23k
               i2_mv[0] = 0;
380
3.23k
               i2_mv[1] = 0;
381
382
3.23k
               ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
383
3.23k
            ih264d_fill_pred_info(i2_mv,4,4,0,i1_pred,
384
3.23k
                            ps_pred_pkd,ps_pic_buff0->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
385
3.23k
                            ps_pic_buff0->u1_pic_type);
386
3.23k
            ps_dec->u4_pred_info_pkd_idx++;
387
3.23k
            ps_cur_mb_info->u1_num_pred_parts++;
388
389
390
3.23k
            }
391
3.23k
        }
392
4.33k
        if(i1_ref_frame1 >= 0)
393
3.45k
        {
394
3.45k
            {
395
3.45k
                pred_info_pkd_t *ps_pred_pkd;
396
3.45k
               WORD16 i2_mv[2];
397
3.45k
               WORD8 i1_ref_idx= 0;
398
399
3.45k
               ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
400
3.45k
            ih264d_fill_pred_info(&(i2_spat_pred_mv[2]),4,4,0,i1_pred,
401
3.45k
                            ps_pred_pkd,ps_pic_buff1->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
402
3.45k
                            ps_pic_buff1->u1_pic_type);
403
3.45k
            ps_dec->u4_pred_info_pkd_idx++;
404
3.45k
            ps_cur_mb_info->u1_num_pred_parts++;
405
406
407
3.45k
            }
408
409
            /******    (0,0) Motion vectors DMA     *****/
410
411
3.45k
            {
412
3.45k
                pred_info_pkd_t *ps_pred_pkd;
413
3.45k
               WORD16 i2_mv[2];
414
3.45k
               WORD8 i1_ref_idx= 0;
415
416
3.45k
               i2_mv[0] = 0;
417
3.45k
               i2_mv[1] = 0;
418
419
3.45k
               ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
420
3.45k
            ih264d_fill_pred_info(i2_mv,4,4,0,i1_pred,
421
3.45k
                            ps_pred_pkd,ps_pic_buff1->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
422
3.45k
                            ps_pic_buff1->u1_pic_type);
423
3.45k
            ps_dec->u4_pred_info_pkd_idx++;
424
3.45k
            ps_cur_mb_info->u1_num_pred_parts++;
425
426
427
3.45k
            }
428
3.45k
        }
429
4.33k
    }
430
431
    /*u1_col = *(ps_col_pic->pu1_col_zero_flag + s_mvdirect.i4_mv_indices[0]);
432
     u1_col &= 1;
433
     u1_init = 0;*/
434
435
138k
    for(i = 0; i < s_mvdirect.i1_num_partitions; i++)
436
90.7k
    {
437
90.7k
        partition_size = s_mvdirect.i1_partitionsize[i];
438
90.7k
        u4_sub_mb_num = s_mvdirect.i1_submb_num[i];
439
440
90.7k
        sub_partition = partition_size >> 2;
441
90.7k
        partition_size &= 0x3;
442
90.7k
        u1_mb_partw = pu1_mb_partw[partition_size];
443
90.7k
        u1_mb_parth = pu1_mb_parth[partition_size];
444
90.7k
        u2_mask = mask_table[partition_size];
445
90.7k
        if(sub_partition != 0)
446
16.6k
        {
447
16.6k
            u1_mb_partw >>= 1;
448
16.6k
            u1_mb_parth >>= 1;
449
16.6k
            u2_mask = sub_mask_table[partition_size];
450
16.6k
        }
451
452
90.7k
        u1_col_zero_flag = *(ps_col_pic->pu1_col_zero_flag
453
90.7k
                        + s_mvdirect.i4_mv_indices[i]);
454
90.7k
        u1_col_zero_flag = u1_col_zero_flag & 0x01;
455
456
        /*if(u1_col != u1_col_zero_flag)
457
         u1_init = 1;*/
458
459
90.7k
        if(u1_zero_pred_cond_f || ((i1_ref_frame0 == 0) && (u1_col_zero_flag == 1)))
460
72.9k
        {
461
72.9k
            pi2_final_mv0 = &i2_def_mv[0];
462
72.9k
            ui2_mask_fwd |= (u2_mask << u4_sub_mb_num);
463
72.9k
        }
464
17.8k
        else
465
17.8k
            pi2_final_mv0 = &i2_spat_pred_mv[0];
466
467
90.7k
        if(u1_zero_pred_cond_b || ((i1_ref_frame1 == 0) && (u1_col_zero_flag == 1)))
468
72.1k
        {
469
72.1k
            pi2_final_mv1 = &i2_def_mv[0];
470
72.1k
            ui2_mask_bwd |= (u2_mask << u4_sub_mb_num);
471
72.1k
        }
472
18.5k
        else
473
18.5k
            pi2_final_mv1 = &i2_spat_pred_mv[2];
474
475
90.7k
        if(ps_cur_mb_info->u1_Mux != 1)
476
65.5k
        {
477
            /*u1_sub_mb_x = u4_sub_mb_num & 0x03;
478
             uc_sub_mb_y = (u4_sub_mb_num >> 2);*/
479
65.5k
            if(i1_ref_frame0 >= 0)
480
59.6k
            {
481
482
59.6k
                {
483
59.6k
                    pred_info_pkd_t *ps_pred_pkd;
484
59.6k
                   WORD8 i1_ref_idx= 0;
485
486
59.6k
                   ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
487
59.6k
                ih264d_fill_pred_info(pi2_final_mv0,u1_mb_partw,u1_mb_parth,u4_sub_mb_num,i1_pred,
488
59.6k
                                ps_pred_pkd,ps_pic_buff0->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
489
59.6k
                                ps_pic_buff0->u1_pic_type);
490
59.6k
                ps_dec->u4_pred_info_pkd_idx++;
491
59.6k
                ps_cur_mb_info->u1_num_pred_parts++;
492
493
494
59.6k
                }
495
496
59.6k
            }
497
498
65.5k
            if(i1_ref_frame1 >= 0)
499
61.8k
            {
500
61.8k
                {
501
61.8k
                    pred_info_pkd_t *ps_pred_pkd;
502
61.8k
                   WORD8 i1_ref_idx= 0;
503
504
61.8k
                   ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
505
61.8k
                ih264d_fill_pred_info(pi2_final_mv1,u1_mb_partw,u1_mb_parth,u4_sub_mb_num,i1_pred,
506
61.8k
                                ps_pred_pkd,ps_pic_buff1->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
507
61.8k
                                ps_pic_buff1->u1_pic_type);
508
61.8k
                ps_dec->u4_pred_info_pkd_idx++;
509
61.8k
                ps_cur_mb_info->u1_num_pred_parts++;
510
511
512
61.8k
                }
513
61.8k
            }
514
65.5k
        }
515
516
        /* Replication optimisation */
517
90.7k
        s_temp_mv_pred.i2_mv[0] = pi2_final_mv0[0];
518
90.7k
        s_temp_mv_pred.i2_mv[1] = pi2_final_mv0[1];
519
90.7k
        s_temp_mv_pred.i2_mv[2] = pi2_final_mv1[0];
520
90.7k
        s_temp_mv_pred.i2_mv[3] = pi2_final_mv1[1];
521
522
        /* Calculating colocated zero information */
523
90.7k
        {
524
90.7k
            WORD16 i2_mv_x = 0, i2_mv_y = 0;
525
            /*************************************/
526
            /* If(bit2 and bit3 set)             */
527
            /* then                              */
528
            /*  (bit0 and bit1) => submmbmode    */
529
            /*  (bit2 and bit3) => mbmode        */
530
            /* else                              */
531
            /*  (bit0 and bit1) => mbmode        */
532
            /*************************************/
533
90.7k
            UWORD8 u1_packed_mb_sub_mb_mode =
534
90.7k
                            sub_partition ? (s_mvdirect.i1_partitionsize[i]) : ((s_mvdirect.i1_partitionsize[i])
535
74.0k
                                                            << 2);
536
537
90.7k
            if(i1_ref_frame0 >= 0)
538
78.5k
            {
539
78.5k
                i2_mv_x = pi2_final_mv0[0];
540
78.5k
                i2_mv_y = pi2_final_mv0[1];
541
78.5k
            }
542
12.2k
            else
543
12.2k
            {
544
12.2k
                i2_mv_x = pi2_final_mv1[0];
545
12.2k
                i2_mv_y = pi2_final_mv1[1];
546
12.2k
            }
547
548
90.7k
            u1_colz = (ps_cur_mb_info->u1_mb_field_decodingflag << 1)
549
90.7k
                            | ((u1_final_ref_idx == 0) && (ABS(i2_mv_x) <= 1)
550
83.6k
                                            && (ABS(i2_mv_y) <= 1));
551
90.7k
            u1_colz |= (u1_packed_mb_sub_mb_mode << 4);
552
90.7k
        }
553
90.7k
        ps_mv = ps_mv_nmb_start + u4_sub_mb_num;
554
90.7k
        ih264d_rep_mv_colz(ps_dec, &s_temp_mv_pred, ps_mv, u4_sub_mb_num, u1_colz,
555
90.7k
                           u1_mb_parth, u1_mb_partw);
556
90.7k
    }
557
48.1k
    i = 0;
558
48.1k
    if(i1_ref_frame0 >= 0)
559
44.1k
        ps_cur_mb_info->u2_mask[i++] = ui2_mask_fwd;
560
48.1k
    if(i1_ref_frame1 >= 0)
561
45.3k
        ps_cur_mb_info->u2_mask[i] = ui2_mask_bwd;
562
563
    /*if(u1_init)
564
     H264_DEC_DEBUG_PRINT("hit\n");
565
     else
566
     H264_DEC_DEBUG_PRINT("miss\n");*/
567
568
48.1k
    return OK;
569
1.70M
}
570
571
/*!
572
 **************************************************************************
573
 * \if Function name : ih264d_decode_temporal_direct \endif
574
 *
575
 * \brief
576
 *    Decodes temporal direct mode.
577
 *
578
 * \return
579
 *    None.
580
 *
581
 **************************************************************************
582
 */
583
WORD32 ih264d_decode_temporal_direct(dec_struct_t * ps_dec,
584
                                     UWORD8 u1_wd_x,
585
                                     dec_mb_info_t * ps_cur_mb_info,
586
                                     UWORD32 u4_mb_num)
587
4.11M
{
588
4.11M
    struct pic_buffer_t *ps_pic_buff0, *ps_pic_buff1, *ps_col_pic;
589
4.11M
    mv_pred_t *ps_mv, s_temp_mv_pred;
590
4.11M
    UWORD32 u4_sub_mb_num;
591
4.11M
    UWORD8 u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag;
592
4.11M
    WORD16 i2_mv_x0, i2_mv_y0, i2_mv_x1, i2_mv_y1;
593
4.11M
    UWORD8 u1_mb_partw, u1_mb_parth;
594
4.11M
    UWORD8 i, partition_size, sub_partition;
595
4.11M
    UWORD32 *pui32_weight_ofsts = NULL;
596
4.11M
    directmv_t s_mvdirect;
597
4.11M
    const UWORD8 *pu1_mb_parth = (const UWORD8 *)gau1_ih264d_mb_parth;
598
4.11M
    const UWORD8 *pu1_mb_partw = (const UWORD8 *)gau1_ih264d_mb_partw;
599
4.11M
    WORD8 c_refFrm0, c_refFrm1;
600
4.11M
    UWORD8 u1_ref_idx0, u1_is_cur_mb_fld;
601
4.11M
    WORD32 pic0_poc, pic1_poc, cur_poc;
602
4.11M
    WORD32 ret = 0;
603
604
4.11M
    u1_is_cur_mb_fld = ps_cur_mb_info->u1_mb_field_decodingflag;
605
4.11M
    ps_pic_buff1 = ps_dec->ps_ref_pic_buf_lx[1][0];
606
607
    /**********************************************************************/
608
    /* Call the function which gets the number of partitions and          */
609
    /* partition info of colocated Mb                                     */
610
    /**********************************************************************/
611
4.11M
    ps_dec->pf_parse_mvdirect(ps_dec, ps_dec->ps_col_pic, &s_mvdirect, u1_wd_x,
612
4.11M
                           ps_dec->i4_submb_ofst, ps_cur_mb_info);
613
4.11M
    ps_col_pic = ps_dec->ps_col_pic;
614
615
8.26M
    for(i = 0; i < s_mvdirect.i1_num_partitions; i++)
616
4.14M
    {
617
4.14M
        UWORD8 u1_colz;
618
4.14M
        partition_size = s_mvdirect.i1_partitionsize[i];
619
4.14M
        u4_sub_mb_num = s_mvdirect.i1_submb_num[i];
620
4.14M
        ps_mv = ps_col_pic->ps_mv + s_mvdirect.i4_mv_indices[i];
621
622
        /* This should be removed to catch unitialized memory read */
623
4.14M
        u1_ref_idx0 = 0;
624
625
4.14M
        sub_partition = partition_size >> 2;
626
4.14M
        partition_size &= 0x3;
627
4.14M
        u1_mb_partw = pu1_mb_partw[partition_size];
628
4.14M
        u1_mb_parth = pu1_mb_parth[partition_size];
629
4.14M
        if(sub_partition != 0)
630
19.6k
        {
631
19.6k
            u1_mb_partw >>= 1;
632
19.6k
            u1_mb_parth >>= 1;
633
19.6k
        }
634
4.14M
        c_refFrm0 = ps_mv->i1_ref_frame[0];
635
4.14M
        c_refFrm1 = ps_mv->i1_ref_frame[1];
636
637
4.14M
        if((c_refFrm0 == -1) && (c_refFrm1 == -1))
638
24.7k
        {
639
24.7k
            u1_ref_idx0 = 0;
640
24.7k
            ps_pic_buff0 = ps_dec->ps_ref_pic_buf_lx[0][0];
641
24.7k
            if(u1_mbaff && u1_is_cur_mb_fld)
642
8
            {
643
8
                if(ps_cur_mb_info->u1_topmb)
644
7
                {
645
7
                    pic0_poc = ps_pic_buff0->i4_top_field_order_cnt;
646
7
                    pic1_poc = ps_pic_buff1->i4_top_field_order_cnt;
647
7
                    cur_poc = ps_dec->ps_cur_pic->i4_top_field_order_cnt;
648
7
                }
649
1
                else
650
1
                {
651
1
                    pic1_poc = ps_pic_buff1->i4_bottom_field_order_cnt;
652
1
                    cur_poc = ps_dec->ps_cur_pic->i4_bottom_field_order_cnt;
653
1
                    ps_pic_buff1 = ps_dec->ps_ref_pic_buf_lx[1][MAX_REF_BUFS];
654
1
                    pic0_poc = ps_pic_buff0->i4_bottom_field_order_cnt;
655
1
                    ps_pic_buff0 = ps_dec->ps_ref_pic_buf_lx[0][MAX_REF_BUFS];
656
1
                }
657
8
            }
658
24.7k
            else
659
24.7k
            {
660
24.7k
                pic0_poc = ps_pic_buff0->i4_avg_poc;
661
24.7k
                pic1_poc = ps_pic_buff1->i4_avg_poc;
662
24.7k
                cur_poc = ps_dec->ps_cur_pic->i4_poc;
663
24.7k
            }
664
24.7k
        }
665
4.11M
        else
666
4.11M
        {
667
4.11M
            UWORD8 uc_i, u1_num_frw_ref_pics;
668
4.11M
            UWORD8 buf_id, u1_pic_type;
669
4.11M
            buf_id = ps_mv->u1_col_ref_pic_idx;
670
4.11M
            u1_pic_type = ps_mv->u1_pic_type;
671
4.11M
            if(ps_dec->ps_cur_slice->u1_field_pic_flag)
672
427
            {
673
427
                if(s_mvdirect.u1_vert_mv_scale == FRM_TO_FLD)
674
377
                {
675
377
                    u1_pic_type = TOP_FLD;
676
377
                    if(ps_dec->ps_cur_slice->u1_bottom_field_flag)
677
271
                        u1_pic_type = BOT_FLD;
678
377
                }
679
427
            }
680
4.11M
            u1_num_frw_ref_pics =
681
4.11M
                            ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0];
682
683
8.05M
            for(uc_i = 0; uc_i < u1_num_frw_ref_pics; uc_i++)
684
4.21M
            {
685
4.21M
                if(ps_dec->ps_cur_slice->u1_field_pic_flag)
686
654
                {
687
654
                    if(ps_dec->ps_ref_pic_buf_lx[0][uc_i]->u1_mv_buf_id == buf_id)
688
517
                    {
689
517
                        if(ps_dec->ps_ref_pic_buf_lx[0][uc_i]->u1_pic_type
690
517
                                        == u1_pic_type)
691
36
                        {
692
36
                            u1_ref_idx0 = uc_i;
693
36
                            break;
694
36
                        }
695
517
                    }
696
654
                }
697
4.21M
                else
698
4.21M
                {
699
4.21M
                    if(ps_dec->ps_ref_pic_buf_lx[0][uc_i]->u1_mv_buf_id == buf_id)
700
280k
                    {
701
280k
                        u1_ref_idx0 = uc_i;
702
280k
                        break;
703
280k
                    }
704
4.21M
                }
705
4.21M
            }
706
707
4.11M
            ps_pic_buff0 = ps_dec->ps_ref_pic_buf_lx[0][u1_ref_idx0];
708
4.11M
            ps_pic_buff1 = ps_dec->ps_ref_pic_buf_lx[1][0];
709
710
4.11M
            if(u1_mbaff && u1_is_cur_mb_fld)
711
7.25k
            {
712
7.25k
                pic0_poc = ps_pic_buff0->i4_top_field_order_cnt;
713
7.25k
                u1_ref_idx0 <<= 1;
714
7.25k
                if(s_mvdirect.u1_vert_mv_scale == ONE_TO_ONE)
715
914
                {
716
914
                    if(u1_pic_type == BOT_FLD)
717
442
                    {
718
442
                        pic0_poc = ps_pic_buff0->i4_bottom_field_order_cnt;
719
442
                        ps_pic_buff0 = ps_dec->ps_ref_pic_buf_lx[0][(u1_ref_idx0
720
442
                                        >> 1) + MAX_REF_BUFS];
721
442
                        if(ps_cur_mb_info->u1_topmb)
722
258
                            u1_ref_idx0++;
723
442
                    }
724
472
                    else
725
472
                    {
726
472
                        if(1 - ps_cur_mb_info->u1_topmb)
727
196
                            u1_ref_idx0++;
728
472
                    }
729
914
                }
730
7.25k
                if(s_mvdirect.u1_vert_mv_scale == FRM_TO_FLD)
731
6.34k
                {
732
6.34k
                    if(1 - ps_cur_mb_info->u1_topmb)
733
3.22k
                    {
734
3.22k
                        pic0_poc = ps_pic_buff0->i4_bottom_field_order_cnt;
735
3.22k
                        ps_pic_buff0 = ps_dec->ps_ref_pic_buf_lx[0][(u1_ref_idx0
736
3.22k
                                        >> 1) + MAX_REF_BUFS];
737
3.22k
                    }
738
6.34k
                }
739
7.25k
                if(ps_cur_mb_info->u1_topmb)
740
3.64k
                {
741
3.64k
                    pic1_poc = ps_pic_buff1->i4_top_field_order_cnt;
742
3.64k
                    cur_poc = ps_dec->ps_cur_pic->i4_top_field_order_cnt;
743
3.64k
                }
744
3.60k
                else
745
3.60k
                {
746
3.60k
                    pic1_poc = ps_pic_buff1->i4_bottom_field_order_cnt;
747
3.60k
                    cur_poc = ps_dec->ps_cur_pic->i4_bottom_field_order_cnt;
748
3.60k
                    ps_pic_buff1 = ps_dec->ps_ref_pic_buf_lx[1][MAX_REF_BUFS];
749
3.60k
                }
750
7.25k
            }
751
4.11M
            else
752
4.11M
            {
753
4.11M
                pic0_poc = ps_pic_buff0->i4_avg_poc;
754
4.11M
                pic1_poc = ps_pic_buff1->i4_avg_poc;
755
4.11M
                cur_poc = ps_dec->ps_cur_pic->i4_poc;
756
4.11M
            }
757
4.11M
        }
758
4.14M
        {
759
4.14M
            WORD16 i16_td;
760
4.14M
            WORD64 diff;
761
4.14M
            if(c_refFrm0 >= 0)
762
4.11M
            {
763
4.11M
                i2_mv_x0 = ps_mv->i2_mv[0];
764
4.11M
                i2_mv_y0 = ps_mv->i2_mv[1];
765
4.11M
            }
766
28.9k
            else if(c_refFrm1 >= 0)
767
4.18k
            {
768
4.18k
                i2_mv_x0 = ps_mv->i2_mv[2];
769
4.18k
                i2_mv_y0 = ps_mv->i2_mv[3];
770
4.18k
            }
771
24.7k
            else
772
24.7k
            {
773
24.7k
                i2_mv_x0 = 0;
774
24.7k
                i2_mv_y0 = 0;
775
24.7k
            }
776
            /* If FRM_TO_FLD or FLD_TO_FRM scale the "y" component of the colocated Mv*/
777
4.14M
            if(s_mvdirect.u1_vert_mv_scale == FRM_TO_FLD)
778
6.73k
            {
779
6.73k
                i2_mv_y0 /= 2;
780
6.73k
            }
781
4.13M
            else if(s_mvdirect.u1_vert_mv_scale == FLD_TO_FRM)
782
4.75k
            {
783
4.75k
                i2_mv_y0 *= 2;
784
4.75k
            }
785
786
4.14M
            diff = (WORD64)pic1_poc - pic0_poc;
787
4.14M
            i16_td = CLIP_S8(diff);
788
4.14M
            if((ps_pic_buff0->u1_is_short == 0) || (i16_td == 0))
789
3.96M
            {
790
3.96M
                i2_mv_x1 = 0;
791
3.96M
                i2_mv_y1 = 0;
792
3.96M
            }
793
175k
            else
794
175k
            {
795
175k
                WORD16 i2_tb, i2_tx, i2_dist_scale_factor, i2_temp;
796
797
175k
                diff = (WORD64)cur_poc - pic0_poc;
798
175k
                i2_tb = CLIP_S8(diff);
799
800
175k
                i2_tx = (16384 + ABS(SIGN_POW2_DIV(i16_td, 1))) / i16_td;
801
175k
                i2_dist_scale_factor = CLIP_S11(
802
175k
                                            (((i2_tb * i2_tx) + 32) >> 6));
803
175k
                i2_temp = (i2_mv_x0 * i2_dist_scale_factor + 128) >> 8;
804
175k
                i2_mv_x1 = i2_temp - i2_mv_x0;
805
175k
                i2_mv_x0 = i2_temp;
806
807
175k
                i2_temp = (i2_mv_y0 * i2_dist_scale_factor + 128) >> 8;
808
175k
                i2_mv_y1 = i2_temp - i2_mv_y0;
809
175k
                i2_mv_y0 = i2_temp;
810
175k
            }
811
4.14M
            {
812
4.14M
                mv_pred_t *ps_mv;
813
814
                /*u1_sub_mb_x = u4_sub_mb_num & 0x03;
815
                 uc_sub_mb_y = u4_sub_mb_num >> 2;*/
816
4.14M
                if(ps_dec->ps_cur_pps->u1_wted_bipred_idc)
817
3.97M
                {
818
3.97M
                    UWORD8 u1_idx =
819
3.97M
                                    u1_ref_idx0
820
3.97M
                                                    * ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1];
821
3.97M
                    UWORD8 u1_scale_ref = u1_mbaff && u1_is_cur_mb_fld;
822
3.97M
                    if(u1_scale_ref)
823
6.35k
                        u1_idx >>= 1;
824
3.97M
                    pui32_weight_ofsts = (UWORD32*)&ps_dec->pu4_wt_ofsts[2
825
3.97M
                                    * X3(u1_idx)];
826
3.97M
                    if(u1_scale_ref
827
6.35k
                                    && (ps_dec->ps_cur_pps->u1_wted_bipred_idc
828
6.35k
                                                    == 2))
829
6.08k
                    {
830
6.08k
                        WORD16 i2_ref_idx;
831
6.08k
                        i2_ref_idx = u1_ref_idx0;
832
6.08k
                        i2_ref_idx *=
833
6.08k
                                        (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1]
834
6.08k
                                                        << 1);
835
6.08k
                        if(!ps_cur_mb_info->u1_topmb)
836
3.14k
                            i2_ref_idx +=
837
3.14k
                                            (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0]
838
3.14k
                                                            << 1)
839
3.14k
                                                            * (ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1]
840
3.14k
                                                                            << 1);
841
6.08k
                        pui32_weight_ofsts =
842
6.08k
                                        (UWORD32*)&ps_dec->pu4_mbaff_wt_mat[2
843
6.08k
                                                        * X3(i2_ref_idx)];
844
6.08k
                    }
845
3.97M
                }
846
4.14M
                {
847
4.14M
                    pred_info_pkd_t *ps_pred_pkd;
848
4.14M
                   WORD16 i2_mv[2];
849
4.14M
                   WORD8 i1_ref_idx= 0;
850
851
4.14M
                   i2_mv[0] = i2_mv_x0;
852
4.14M
                   i2_mv[1] = i2_mv_y0;
853
854
4.14M
                   ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
855
4.14M
                ih264d_fill_pred_info(i2_mv,u1_mb_partw,u1_mb_parth,u4_sub_mb_num,PRED_L0 | PRED_L1,
856
4.14M
                                ps_pred_pkd,ps_pic_buff0->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
857
4.14M
                                ps_pic_buff0->u1_pic_type);
858
4.14M
                ps_dec->u4_pred_info_pkd_idx++;
859
4.14M
                ps_cur_mb_info->u1_num_pred_parts++;
860
861
862
4.14M
                }
863
4.14M
                {
864
4.14M
                   pred_info_pkd_t *ps_pred_pkd;
865
4.14M
                   WORD16 i2_mv[2];
866
4.14M
                   WORD8 i1_ref_idx= 0;
867
868
4.14M
                   i2_mv[0] = i2_mv_x1;
869
4.14M
                   i2_mv[1] = i2_mv_y1;
870
871
4.14M
                   ps_pred_pkd = ps_dec->ps_pred_pkd + ps_dec->u4_pred_info_pkd_idx;
872
4.14M
                ih264d_fill_pred_info(i2_mv,u1_mb_partw,u1_mb_parth,u4_sub_mb_num,PRED_L0 | PRED_L1,
873
4.14M
                                ps_pred_pkd,ps_pic_buff1->u1_pic_buf_id,i1_ref_idx,pui32_weight_ofsts,
874
4.14M
                                ps_pic_buff1->u1_pic_type);
875
4.14M
                ps_dec->u4_pred_info_pkd_idx++;
876
4.14M
                ps_cur_mb_info->u1_num_pred_parts++;
877
878
879
4.14M
                }
880
881
                /* Replication optimisation */
882
4.14M
                s_temp_mv_pred.i2_mv[0] = i2_mv_x0;
883
4.14M
                s_temp_mv_pred.i2_mv[1] = i2_mv_y0;
884
4.14M
                s_temp_mv_pred.i2_mv[2] = i2_mv_x1;
885
4.14M
                s_temp_mv_pred.i2_mv[3] = i2_mv_y1;
886
4.14M
                s_temp_mv_pred.i1_ref_frame[0] = u1_ref_idx0;
887
4.14M
                s_temp_mv_pred.i1_ref_frame[1] = 0;
888
4.14M
                s_temp_mv_pred.u1_col_ref_pic_idx = ps_pic_buff0->u1_mv_buf_id;
889
4.14M
                s_temp_mv_pred.u1_pic_type = ps_pic_buff0->u1_pic_type;
890
4.14M
                ps_mv = ps_dec->ps_mv_cur + (u4_mb_num << 4) + u4_sub_mb_num;
891
892
4.14M
                {
893
4.14M
                    WORD16 i2_mv_x = 0, i2_mv_y = 0;
894
4.14M
                    UWORD8 u1_packed_mb_sub_mb_mode =
895
4.14M
                                    sub_partition ? (s_mvdirect.i1_partitionsize[i]) : ((s_mvdirect.i1_partitionsize[i])
896
4.12M
                                                                    << 2);
897
898
4.14M
                    if(c_refFrm0 >= 0)
899
4.11M
                    {
900
4.11M
                        i2_mv_x = i2_mv_x0;
901
4.11M
                        i2_mv_y = i2_mv_y0;
902
4.11M
                    }
903
28.9k
                    else
904
28.9k
                    {
905
28.9k
                        i2_mv_x = i2_mv_x1;
906
28.9k
                        i2_mv_y = i2_mv_y1;
907
28.9k
                    }
908
909
4.14M
                    u1_colz =
910
4.14M
                                    (ps_cur_mb_info->u1_mb_field_decodingflag << 1)
911
4.14M
                                                    | ((u1_ref_idx0 == 0)
912
4.08M
                                                                    && (ABS(i2_mv_x)
913
4.08M
                                                                                    <= 1)
914
4.06M
                                                                    && (ABS(i2_mv_y)
915
4.06M
                                                                                    <= 1));
916
4.14M
                    u1_colz |= (u1_packed_mb_sub_mb_mode << 4);
917
4.14M
                }
918
4.14M
                ih264d_rep_mv_colz(ps_dec, &s_temp_mv_pred, ps_mv, u4_sub_mb_num,
919
4.14M
                                   u1_colz, u1_mb_parth, u1_mb_partw);
920
4.14M
            }
921
4.14M
        }
922
4.14M
    }
923
    /* return value set to UWORD8 to make it homogeneous  */
924
    /* with decodespatialdirect                           */
925
4.11M
    return OK;
926
4.11M
}
927
928
void ih264d_convert_frm_to_fld_list(struct pic_buffer_t *ps_ref_pic_buf_lx,
929
                                    UWORD8 *pu1_L0,
930
                                    dec_struct_t *ps_dec,
931
                                    UWORD8 u1_num_short_term_bufs)
932
5.16k
{
933
5.16k
    UWORD8 uc_count = *pu1_L0, i, uc_l1, uc_lx, j;
934
5.16k
    struct pic_buffer_t *ps_ref_lx[2], *ps_ref_pic_lx;
935
5.16k
    UWORD8 u1_bottom_field_flag;
936
5.16k
    dec_slice_params_t *ps_cur_slice;
937
5.16k
    UWORD8 u1_ref[2], u1_fld[2], u1_same_fld, u1_op_fld;
938
5.16k
    UWORD32 ui_half_num_of_sub_mbs;
939
940
5.16k
    uc_l1 = 0;
941
5.16k
    uc_lx = 0;
942
5.16k
    ps_cur_slice = ps_dec->ps_cur_slice;
943
5.16k
    ps_ref_pic_lx = ps_ref_pic_buf_lx - MAX_REF_BUFS;
944
5.16k
    ps_ref_lx[0] = ps_ref_pic_buf_lx;
945
5.16k
    ps_ref_lx[1] = ps_ref_pic_buf_lx;
946
5.16k
    u1_bottom_field_flag = ps_cur_slice->u1_bottom_field_flag;
947
5.16k
    ui_half_num_of_sub_mbs = ((ps_dec->u2_pic_ht * ps_dec->u2_pic_wd) >> 5);
948
5.16k
    if(u1_bottom_field_flag)
949
671
    {
950
671
        u1_ref[0] = BOT_REF;
951
671
        u1_ref[1] = TOP_REF;
952
671
        u1_fld[0] = BOT_FLD;
953
671
        u1_fld[1] = TOP_FLD;
954
671
        u1_same_fld = BOT_FLD;
955
671
        u1_op_fld = TOP_FLD;
956
671
    }
957
4.49k
    else
958
4.49k
    {
959
4.49k
        u1_ref[0] = TOP_REF;
960
4.49k
        u1_ref[1] = BOT_REF;
961
4.49k
        u1_fld[0] = TOP_FLD;
962
4.49k
        u1_fld[1] = BOT_FLD;
963
4.49k
        u1_same_fld = TOP_FLD;
964
4.49k
        u1_op_fld = BOT_FLD;
965
4.49k
    }
966
967
    /* Create the field list starting with all the short term     */
968
    /* frames followed by all the long term frames. No long term  */
969
    /* reference field should have a list idx less than a short   */
970
    /* term reference field during initiailization.               */
971
972
15.4k
    for(j = 0; j < 2; j++)
973
10.3k
    {
974
10.3k
        i = ((j == 0) ? 0 : u1_num_short_term_bufs);
975
10.3k
        uc_count = ((j == 0) ? u1_num_short_term_bufs : *pu1_L0);
976
22.8k
        for(; i < uc_count; i++, ps_ref_lx[0]++)
977
12.5k
        {
978
            /* Search field of same parity in Frame list */
979
12.5k
            if((ps_ref_lx[0]->u1_pic_type & u1_ref[0])) // || ((ps_ref_lx[0]->u1_picturetype & 0x3) == 0))
980
5.77k
            {
981
                /* Insert PIC of same parity in RefPicList */
982
5.77k
                ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_lx, ps_ref_lx[0]);
983
5.77k
                ps_ref_pic_lx->i4_pic_num = (ps_ref_pic_lx->i4_pic_num * 2 + 1);
984
5.77k
                ps_ref_pic_lx->u1_long_term_pic_num =
985
5.77k
                                (ps_ref_pic_lx->u1_long_term_frm_idx * 2 + 1);
986
5.77k
                ps_ref_pic_lx->u1_pic_type = u1_same_fld;
987
5.77k
                if(u1_fld[0] & BOT_FLD)
988
723
                {
989
723
                    ps_ref_pic_lx->u1_pic_type = BOT_FLD;
990
723
                    ps_ref_pic_lx->pu1_buf1 += ps_ref_pic_lx->u2_frm_wd_y;
991
723
                    ps_ref_pic_lx->pu1_buf2 += ps_ref_pic_lx->u2_frm_wd_uv;
992
723
                    ps_ref_pic_lx->pu1_buf3 += ps_ref_pic_lx->u2_frm_wd_uv;
993
723
                    if(ps_ref_pic_lx->u1_picturetype & 0x3)
994
486
                    {
995
486
                        ps_ref_pic_lx->pu1_col_zero_flag += ui_half_num_of_sub_mbs;
996
486
                        ps_ref_pic_lx->ps_mv += ui_half_num_of_sub_mbs;
997
486
                    }
998
723
                    ps_ref_pic_lx->i4_poc =
999
723
                                    ps_ref_pic_lx->i4_bottom_field_order_cnt;
1000
723
                    ps_ref_pic_lx->i4_avg_poc =
1001
723
                                    ps_ref_pic_lx->i4_bottom_field_order_cnt;
1002
723
                }
1003
5.05k
                else
1004
5.05k
                {
1005
5.05k
                    ps_ref_pic_lx->u1_pic_type = TOP_FLD;
1006
5.05k
                    ps_ref_pic_lx->i4_poc = ps_ref_pic_lx->i4_top_field_order_cnt;
1007
5.05k
                    ps_ref_pic_lx->i4_avg_poc =
1008
5.05k
                                    ps_ref_pic_lx->i4_top_field_order_cnt;
1009
5.05k
                }
1010
1011
5.77k
                ps_ref_pic_lx++;
1012
5.77k
                uc_lx++;
1013
                /* Find field of opposite parity */
1014
5.77k
                if(uc_l1 < uc_count && ps_ref_lx[1])
1015
5.58k
                {
1016
7.24k
                    while(!(ps_ref_lx[1]->u1_pic_type & u1_ref[1]))
1017
2.27k
                    {
1018
2.27k
                        ps_ref_lx[1]++;
1019
2.27k
                        uc_l1++;
1020
2.27k
                        if(uc_l1 >= uc_count)
1021
611
                            ps_ref_lx[1] = 0;
1022
2.27k
                        if(!ps_ref_lx[1])
1023
611
                            break;
1024
2.27k
                    }
1025
1026
5.58k
                    if(ps_ref_lx[1])
1027
4.97k
                    {
1028
4.97k
                        uc_l1++;
1029
4.97k
                        ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_lx,
1030
4.97k
                                                           ps_ref_lx[1]);
1031
4.97k
                        ps_ref_pic_lx->u1_pic_type = u1_op_fld;
1032
4.97k
                        ps_ref_pic_lx->i4_pic_num = (ps_ref_pic_lx->i4_pic_num * 2);
1033
4.97k
                        ps_ref_pic_lx->u1_long_term_pic_num =
1034
4.97k
                                        (ps_ref_pic_lx->u1_long_term_frm_idx * 2);
1035
4.97k
                        if(u1_fld[1] & BOT_FLD)
1036
4.49k
                        {
1037
4.49k
                            ps_ref_pic_lx->u1_pic_type = BOT_FLD;
1038
4.49k
                            ps_ref_pic_lx->pu1_buf1 += ps_ref_pic_lx->u2_frm_wd_y;
1039
4.49k
                            ps_ref_pic_lx->pu1_buf2 += ps_ref_pic_lx->u2_frm_wd_uv;
1040
4.49k
                            ps_ref_pic_lx->pu1_buf3 += ps_ref_pic_lx->u2_frm_wd_uv;
1041
4.49k
                            if(ps_ref_pic_lx->u1_picturetype & 0x3)
1042
2.88k
                            {
1043
2.88k
                                ps_ref_pic_lx->pu1_col_zero_flag +=
1044
2.88k
                                                ui_half_num_of_sub_mbs;
1045
2.88k
                                ps_ref_pic_lx->ps_mv += ui_half_num_of_sub_mbs;
1046
2.88k
                            }
1047
4.49k
                            ps_ref_pic_lx->i4_poc =
1048
4.49k
                                            ps_ref_pic_lx->i4_bottom_field_order_cnt;
1049
4.49k
                            ps_ref_pic_lx->i4_avg_poc =
1050
4.49k
                                            ps_ref_pic_lx->i4_bottom_field_order_cnt;
1051
4.49k
                        }
1052
477
                        else
1053
477
                        {
1054
477
                            ps_ref_pic_lx->u1_pic_type = TOP_FLD;
1055
477
                            ps_ref_pic_lx->i4_poc =
1056
477
                                            ps_ref_pic_lx->i4_top_field_order_cnt;
1057
477
                            ps_ref_pic_lx->i4_avg_poc =
1058
477
                                            ps_ref_pic_lx->i4_top_field_order_cnt;
1059
477
                        }
1060
4.97k
                        ps_ref_pic_lx++;
1061
4.97k
                        uc_lx++;
1062
4.97k
                        ps_ref_lx[1]++;
1063
4.97k
                    }
1064
5.58k
                }
1065
5.77k
            }
1066
12.5k
        }
1067
1068
        /* Same parity fields are over, now insert left over opposite parity fields */
1069
        /** Added  if(ps_ref_lx[1]) for error checks */
1070
10.3k
        if(ps_ref_lx[1])
1071
9.11k
        {
1072
14.3k
            for(; uc_l1 < uc_count; uc_l1++)
1073
5.26k
            {
1074
5.26k
                if(ps_ref_lx[1]->u1_pic_type & u1_ref[1])
1075
3.67k
                {
1076
                    /* Insert PIC of opposite parity in RefPicList */
1077
3.67k
                    ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_lx,
1078
3.67k
                                                       ps_ref_lx[1]);
1079
3.67k
                    ps_ref_pic_lx->u1_pic_type = u1_op_fld;
1080
3.67k
                    ps_ref_pic_lx->i4_pic_num = (ps_ref_pic_lx->i4_pic_num * 2);
1081
3.67k
                    ps_ref_pic_lx->u1_long_term_pic_num =
1082
3.67k
                                    (ps_ref_pic_lx->u1_long_term_frm_idx * 2);
1083
3.67k
                    if(u1_op_fld == BOT_FLD)
1084
3.66k
                    {
1085
3.66k
                        ps_ref_pic_lx->u1_pic_type = BOT_FLD;
1086
3.66k
                        ps_ref_pic_lx->pu1_buf1 += ps_ref_pic_lx->u2_frm_wd_y;
1087
3.66k
                        ps_ref_pic_lx->pu1_buf2 += ps_ref_pic_lx->u2_frm_wd_uv;
1088
3.66k
                        ps_ref_pic_lx->pu1_buf3 += ps_ref_pic_lx->u2_frm_wd_uv;
1089
3.66k
                        if(ps_ref_pic_lx->u1_picturetype & 0x3)
1090
2.32k
                        {
1091
2.32k
                            ps_ref_pic_lx->pu1_col_zero_flag +=
1092
2.32k
                                            ui_half_num_of_sub_mbs;
1093
2.32k
                            ps_ref_pic_lx->ps_mv += ui_half_num_of_sub_mbs;
1094
2.32k
                        }
1095
3.66k
                        ps_ref_pic_lx->i4_poc =
1096
3.66k
                                        ps_ref_pic_lx->i4_bottom_field_order_cnt;
1097
3.66k
                        ps_ref_pic_lx->i4_avg_poc =
1098
3.66k
                                        ps_ref_pic_lx->i4_bottom_field_order_cnt;
1099
3.66k
                    }
1100
7
                    else
1101
7
                    {
1102
7
                        ps_ref_pic_lx->i4_poc =
1103
7
                                        ps_ref_pic_lx->i4_top_field_order_cnt;
1104
7
                        ps_ref_pic_lx->i4_avg_poc =
1105
7
                                        ps_ref_pic_lx->i4_top_field_order_cnt;
1106
7
                    }
1107
3.67k
                    ps_ref_pic_lx++;
1108
3.67k
                    uc_lx++;
1109
3.67k
                    ps_ref_lx[1]++;
1110
3.67k
                }
1111
5.26k
            }
1112
9.11k
        }
1113
10.3k
    }
1114
5.16k
    *pu1_L0 = uc_lx;
1115
5.16k
}
1116
1117
void ih264d_convert_frm_mbaff_list(dec_struct_t *ps_dec)
1118
1.72k
{
1119
1.72k
    struct pic_buffer_t **ps_ref_pic_lx;
1120
1.72k
    UWORD8 u1_max_ref_idx, idx;
1121
1.72k
    UWORD16 u2_frm_wd_y, u2_frm_wd_uv;
1122
1.72k
    struct pic_buffer_t **ps_ref_pic_buf_lx;
1123
1.72k
    UWORD32 u4_half_num_of_sub_mbs = ((ps_dec->u2_pic_ht * ps_dec->u2_pic_wd) >> 5);
1124
1125
1.72k
    ps_ref_pic_buf_lx = ps_dec->ps_ref_pic_buf_lx[0];
1126
1.72k
    ps_ref_pic_lx = ps_dec->ps_ref_pic_buf_lx[0];
1127
1.72k
    u1_max_ref_idx = ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0];
1128
12.3k
    for(idx = 0; idx < u1_max_ref_idx; idx++)
1129
10.6k
    {
1130
10.6k
        ps_ref_pic_lx[idx]->u1_pic_type = TOP_FLD;
1131
10.6k
        ps_ref_pic_lx[idx]->i4_poc = ps_ref_pic_lx[idx]->i4_top_field_order_cnt;
1132
1133
10.6k
    }
1134
1.72k
    u2_frm_wd_y = ps_dec->u2_frm_wd_y;
1135
1.72k
    u2_frm_wd_uv = ps_dec->u2_frm_wd_uv;
1136
1137
12.3k
    for(idx = 0; idx < u1_max_ref_idx; idx++)
1138
10.6k
    {
1139
10.6k
        *ps_ref_pic_lx[idx + MAX_REF_BUFS] = *ps_ref_pic_buf_lx[idx];
1140
10.6k
        ps_ref_pic_lx[idx + MAX_REF_BUFS]->pu1_buf1 =
1141
10.6k
                        ps_ref_pic_buf_lx[idx]->pu1_buf1 + u2_frm_wd_y;
1142
10.6k
        ps_ref_pic_lx[idx + MAX_REF_BUFS]->pu1_buf2 =
1143
10.6k
                        ps_ref_pic_buf_lx[idx]->pu1_buf2 + u2_frm_wd_uv;
1144
10.6k
        ps_ref_pic_lx[idx + MAX_REF_BUFS]->pu1_buf3 =
1145
10.6k
                        ps_ref_pic_buf_lx[idx]->pu1_buf3 + u2_frm_wd_uv;
1146
1147
10.6k
        ps_ref_pic_lx[idx + MAX_REF_BUFS]->u1_pic_type = BOT_FLD;
1148
10.6k
        ps_ref_pic_lx[idx + MAX_REF_BUFS]->i4_poc =
1149
10.6k
                        ps_ref_pic_buf_lx[idx]->i4_bottom_field_order_cnt;
1150
10.6k
        if(ps_ref_pic_buf_lx[idx]->u1_picturetype & 0x3)
1151
362
        {
1152
362
            ps_ref_pic_lx[idx + MAX_REF_BUFS]->pu1_col_zero_flag =
1153
362
                            ps_ref_pic_buf_lx[idx]->pu1_col_zero_flag
1154
362
                                            + u4_half_num_of_sub_mbs;
1155
362
            ps_ref_pic_lx[idx + MAX_REF_BUFS]->ps_mv =
1156
362
                            ps_ref_pic_buf_lx[idx]->ps_mv + u4_half_num_of_sub_mbs;
1157
362
        }
1158
10.6k
    }
1159
1160
1.72k
    if(ps_dec->u1_B)
1161
689
    {
1162
689
        ps_ref_pic_buf_lx = ps_dec->ps_ref_pic_buf_lx[1];
1163
689
        ps_ref_pic_lx = ps_dec->ps_ref_pic_buf_lx[1];
1164
689
        u1_max_ref_idx = ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[1];
1165
1.89k
        for(idx = 0; idx < u1_max_ref_idx; idx++)
1166
1.20k
        {
1167
1.20k
            ps_ref_pic_lx[idx]->u1_pic_type = TOP_FLD;
1168
1.20k
            ps_ref_pic_lx[idx]->i4_poc = ps_ref_pic_lx[idx]->i4_top_field_order_cnt;
1169
1170
1.20k
        }
1171
1172
1.89k
        for(idx = 0; idx < u1_max_ref_idx; idx++)
1173
1.20k
        {
1174
1.20k
            *ps_ref_pic_lx[idx + MAX_REF_BUFS] = *ps_ref_pic_buf_lx[idx];
1175
1.20k
            ps_ref_pic_lx[idx + MAX_REF_BUFS]->pu1_buf1 =
1176
1.20k
                            ps_ref_pic_buf_lx[idx]->pu1_buf1 + u2_frm_wd_y;
1177
1.20k
            ps_ref_pic_lx[idx + MAX_REF_BUFS]->pu1_buf2 =
1178
1.20k
                            ps_ref_pic_buf_lx[idx]->pu1_buf2 + u2_frm_wd_uv;
1179
1.20k
            ps_ref_pic_lx[idx + MAX_REF_BUFS]->pu1_buf3 =
1180
1.20k
                            ps_ref_pic_buf_lx[idx]->pu1_buf3 + u2_frm_wd_uv;
1181
1.20k
            ps_ref_pic_lx[idx + MAX_REF_BUFS]->u1_pic_type = BOT_FLD;
1182
1.20k
            ps_ref_pic_lx[idx + MAX_REF_BUFS]->i4_poc =
1183
1.20k
                            ps_ref_pic_buf_lx[idx]->i4_bottom_field_order_cnt;
1184
1185
1.20k
            if(ps_ref_pic_buf_lx[idx]->u1_picturetype & 0x3)
1186
194
            {
1187
194
                ps_ref_pic_lx[idx + MAX_REF_BUFS]->pu1_col_zero_flag =
1188
194
                                ps_ref_pic_buf_lx[idx]->pu1_col_zero_flag
1189
194
                                                + u4_half_num_of_sub_mbs;
1190
194
                ps_ref_pic_lx[idx + MAX_REF_BUFS]->ps_mv =
1191
194
                                ps_ref_pic_buf_lx[idx]->ps_mv
1192
194
                                                + u4_half_num_of_sub_mbs;
1193
194
            }
1194
1.20k
        }
1195
689
    }
1196
1.72k
}
1197
static int poc_compare(const void *pv_pic1, const void *pv_pic2)
1198
29.9k
{
1199
29.9k
    struct pic_buffer_t *ps_pic1 = *(struct pic_buffer_t **) pv_pic1;
1200
29.9k
    struct pic_buffer_t *ps_pic2 = *(struct pic_buffer_t **) pv_pic2;
1201
29.9k
    if (ps_pic1->i4_poc < ps_pic2->i4_poc)
1202
8.83k
    {
1203
8.83k
        return -1;
1204
8.83k
    }
1205
21.1k
    else if (ps_pic1->i4_poc > ps_pic2->i4_poc)
1206
18.9k
    {
1207
18.9k
        return 1;
1208
18.9k
    }
1209
2.19k
    else
1210
2.19k
    {
1211
2.19k
        return 0;
1212
2.19k
    }
1213
29.9k
}
1214
/*!
1215
 **************************************************************************
1216
 * \if Function name : ih264d_init_ref_idx_lx_b \endif
1217
 *
1218
 * \brief
1219
 *    Initializes forward and backward refernce lists for B slice decoding.
1220
 *
1221
 *
1222
 * \return
1223
 *    0 on Success and Error code otherwise
1224
 **************************************************************************
1225
 */
1226
void ih264d_init_ref_idx_lx_b(dec_struct_t *ps_dec)
1227
45.7k
{
1228
45.7k
    struct pic_buffer_t *ps_ref_pic_buf_lx;
1229
45.7k
    dpb_manager_t *ps_dpb_mgr;
1230
45.7k
    struct dpb_info_t *ps_next_dpb;
1231
45.7k
    WORD32 i_cur_poc, i_max_st_poc, i_min_st_poc, i_ref_poc, i_temp_poc;
1232
45.7k
    WORD8 i, j;
1233
45.7k
    UWORD8 u1_max_lt_index, u1_min_lt_index;
1234
45.7k
    UWORD32 u4_lt_index;
1235
45.7k
    WORD32 i_cur_idx;
1236
45.7k
    UWORD8 u1_field_pic_flag;
1237
45.7k
    dec_slice_params_t *ps_cur_slice;
1238
45.7k
    UWORD8 u1_L0, u1_L1;
1239
45.7k
    UWORD8 u1_num_short_term_bufs;
1240
45.7k
    UWORD8 u1_max_ref_idx_l0, u1_max_ref_idx_l1;
1241
45.7k
    struct pic_buffer_t *aps_st_pic_bufs[2 * MAX_REF_BUFS] = {NULL};
1242
45.7k
    ps_cur_slice = ps_dec->ps_cur_slice;
1243
45.7k
    u1_field_pic_flag = ps_cur_slice->u1_field_pic_flag;
1244
45.7k
    u1_max_ref_idx_l0 = ps_cur_slice->u1_num_ref_idx_lx_active[0]
1245
45.7k
                    << u1_field_pic_flag;
1246
45.7k
    u1_max_ref_idx_l1 = ps_cur_slice->u1_num_ref_idx_lx_active[1]
1247
45.7k
                    << u1_field_pic_flag;
1248
1249
45.7k
    ps_dpb_mgr = ps_dec->ps_dpb_mgr;
1250
    /* Get the current POC */
1251
45.7k
    i_cur_poc = ps_dec->ps_cur_pic->i4_poc;
1252
1253
    /* Get MaxStPOC,MinStPOC,MaxLt,MinLt */
1254
45.7k
    i_max_st_poc = i_cur_poc;
1255
45.7k
    i_min_st_poc = i_cur_poc;
1256
45.7k
    u1_max_lt_index = MAX_REF_BUFS + 1;
1257
45.7k
    u1_min_lt_index = MAX_REF_BUFS + 1;
1258
    /* Start from ST head */
1259
45.7k
    ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head;
1260
91.3k
    for(i = 0; i < ps_dpb_mgr->u1_num_st_ref_bufs; i++)
1261
45.6k
    {
1262
45.6k
        i_ref_poc = ps_next_dpb->ps_pic_buf->i4_poc;
1263
45.6k
        if(i_ref_poc < i_cur_poc)
1264
18.1k
        {
1265
            /* RefPic Buf POC is before Current POC in display order */
1266
18.1k
            i_min_st_poc = MIN(i_min_st_poc, i_ref_poc);
1267
18.1k
        }
1268
27.4k
        else
1269
27.4k
        {
1270
            /* RefPic Buf POC is after Current POC in display order */
1271
27.4k
            i_max_st_poc = MAX(i_max_st_poc, i_ref_poc);
1272
27.4k
        }
1273
1274
        /* Chase the next link */
1275
45.6k
        ps_next_dpb = ps_next_dpb->ps_prev_short;
1276
45.6k
    }
1277
1278
    /* Sort ST ref pocs in ascending order */
1279
45.7k
    ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head;
1280
91.3k
    for (j = 0; j < ps_dpb_mgr->u1_num_st_ref_bufs; j++)
1281
45.6k
    {
1282
45.6k
        aps_st_pic_bufs[j] = ps_next_dpb->ps_pic_buf;
1283
45.6k
        ps_next_dpb = ps_next_dpb->ps_prev_short;
1284
45.6k
    }
1285
45.7k
    qsort(aps_st_pic_bufs, ps_dpb_mgr->u1_num_st_ref_bufs,
1286
45.7k
        sizeof(aps_st_pic_bufs[0]), poc_compare);
1287
1288
    /* Start from LT head */
1289
45.7k
    ps_next_dpb = ps_dpb_mgr->ps_dpb_ht_head;
1290
45.7k
    if(ps_next_dpb)
1291
4.65k
    {
1292
4.65k
        u1_max_lt_index = ps_next_dpb->u1_lt_idx;
1293
4.65k
        u1_min_lt_index = ps_next_dpb->u1_lt_idx;
1294
4.65k
    }
1295
51.0k
    for(i = 0; i < ps_dpb_mgr->u1_num_lt_ref_bufs; i++)
1296
5.35k
    {
1297
5.35k
        u4_lt_index = ps_next_dpb->u1_lt_idx;
1298
5.35k
        u1_max_lt_index = (UWORD8)(MAX(u1_max_lt_index, u4_lt_index));
1299
5.35k
        u1_min_lt_index = (UWORD8)(MIN(u1_min_lt_index, u4_lt_index));
1300
1301
        /* Chase the next link */
1302
5.35k
        ps_next_dpb = ps_next_dpb->ps_prev_long;
1303
5.35k
    }
1304
1305
    /* 1. Initialize refIdxL0 */
1306
45.7k
    u1_L0 = 0;
1307
45.7k
    i_temp_poc = i_cur_poc;
1308
45.7k
    if(u1_field_pic_flag)
1309
2.18k
    {
1310
2.18k
        ps_ref_pic_buf_lx = ps_dpb_mgr->ps_init_dpb[0][0];
1311
2.18k
        ps_ref_pic_buf_lx += MAX_REF_BUFS;
1312
2.18k
    }
1313
43.5k
    else
1314
43.5k
    {
1315
43.5k
        ps_ref_pic_buf_lx = ps_dpb_mgr->ps_init_dpb[0][0];
1316
        /* Avoid integer overflow while decrementing by one */
1317
43.5k
        if (i_temp_poc > INT32_MIN)
1318
43.4k
            i_temp_poc--;
1319
43.5k
    }
1320
1321
45.7k
    i_cur_idx = -1;
1322
91.3k
    for(j = 0; j < ps_dpb_mgr->u1_num_st_ref_bufs; j++)
1323
45.6k
    {
1324
45.6k
        if (NULL == aps_st_pic_bufs[j])
1325
0
        {
1326
0
            break;
1327
0
        }
1328
45.6k
        if (aps_st_pic_bufs[j]->i4_poc <= i_temp_poc)
1329
19.1k
        {
1330
19.1k
            i_cur_idx = j;
1331
19.1k
        }
1332
45.6k
    }
1333
    /* Arrange all short term buffers in output order as given by POC */
1334
    /* 1.1 Arrange POC's less than CurrPOC in the descending POC order starting
1335
     from (CurrPOC - 1)*/
1336
64.8k
    for(j = i_cur_idx; j >= 0; j--)
1337
19.1k
    {
1338
19.1k
        if(aps_st_pic_bufs[j])
1339
19.1k
        {
1340
            /* Copy info in pic buffer */
1341
19.1k
            ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_buf_lx,
1342
19.1k
                                               aps_st_pic_bufs[j]);
1343
19.1k
            ps_ref_pic_buf_lx++;
1344
19.1k
            u1_L0++;
1345
19.1k
        }
1346
19.1k
    }
1347
1348
    /* 1.2. Arrange POC's more than CurrPOC in the ascending POC order starting
1349
     from (CurrPOC + 1)*/
1350
72.2k
    for(j = i_cur_idx + 1; j < ps_dpb_mgr->u1_num_st_ref_bufs; j++)
1351
26.4k
    {
1352
26.4k
        if(aps_st_pic_bufs[j])
1353
26.4k
        {
1354
26.4k
            ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_buf_lx,
1355
26.4k
                                               aps_st_pic_bufs[j]);
1356
26.4k
            ps_ref_pic_buf_lx++;
1357
26.4k
            u1_L0++;
1358
26.4k
        }
1359
26.4k
    }
1360
1361
    /* 1.3 Arrange all Long term buffers in ascending order, in LongtermIndex */
1362
    /* Start from ST head */
1363
1364
45.7k
    u1_num_short_term_bufs = u1_L0;
1365
92.5k
    for(u4_lt_index = u1_min_lt_index; u4_lt_index <= u1_max_lt_index; u4_lt_index++)
1366
46.8k
    {
1367
46.8k
        ps_next_dpb = ps_dpb_mgr->ps_dpb_ht_head;
1368
48.8k
        for(i = 0; i < ps_dpb_mgr->u1_num_lt_ref_bufs; i++)
1369
7.38k
        {
1370
7.38k
            if(ps_next_dpb->u1_lt_idx == u4_lt_index)
1371
5.35k
            {
1372
5.35k
                ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_buf_lx,
1373
5.35k
                                                   ps_next_dpb->ps_pic_buf);
1374
5.35k
                ps_ref_pic_buf_lx->u1_long_term_pic_num =
1375
5.35k
                                ps_ref_pic_buf_lx->u1_long_term_frm_idx;
1376
1377
5.35k
                ps_ref_pic_buf_lx++;
1378
5.35k
                u1_L0++;
1379
5.35k
                break;
1380
5.35k
            }
1381
2.03k
            ps_next_dpb = ps_next_dpb->ps_prev_long;
1382
2.03k
        }
1383
46.8k
    }
1384
1385
45.7k
    if(u1_field_pic_flag)
1386
2.18k
    {
1387
        /* Initialize the rest of the entries in the */
1388
        /* reference list to handle of errors        */
1389
2.18k
        {
1390
2.18k
            UWORD8 u1_i;
1391
2.18k
            pic_buffer_t ref_pic;
1392
1393
2.18k
            ref_pic = *(ps_dpb_mgr->ps_init_dpb[0][0] + MAX_REF_BUFS);
1394
1395
2.18k
            if(NULL == ref_pic.pu1_buf1)
1396
0
            {
1397
0
                ref_pic = *ps_dec->ps_cur_pic;
1398
0
            }
1399
6.16k
            for(u1_i = u1_L0; u1_i < u1_max_ref_idx_l0; u1_i++)
1400
3.98k
            {
1401
3.98k
                *ps_ref_pic_buf_lx = ref_pic;
1402
3.98k
                ps_ref_pic_buf_lx++;
1403
3.98k
            }
1404
2.18k
        }
1405
2.18k
        ih264d_convert_frm_to_fld_list(
1406
2.18k
                        ps_dpb_mgr->ps_init_dpb[0][0] + MAX_REF_BUFS, &u1_L0,
1407
2.18k
                        ps_dec, u1_num_short_term_bufs);
1408
1409
2.18k
        ps_ref_pic_buf_lx = ps_dpb_mgr->ps_init_dpb[0][0] + u1_L0;
1410
2.18k
    }
1411
1412
45.7k
    ps_dec->ps_cur_slice->u1_initial_list_size[0] = u1_L0;
1413
1414
    /* Initialize the rest of the entries in the */
1415
    /* reference list to handle of errors        */
1416
45.7k
    {
1417
45.7k
        UWORD8 u1_i;
1418
45.7k
        pic_buffer_t ref_pic;
1419
1420
45.7k
        ref_pic = *(ps_dpb_mgr->ps_init_dpb[0][0]);
1421
1422
45.7k
        if(NULL == ref_pic.pu1_buf1)
1423
0
        {
1424
0
            ref_pic = *ps_dec->ps_cur_pic;
1425
0
        }
1426
111k
        for(u1_i = u1_L0; u1_i < u1_max_ref_idx_l0; u1_i++)
1427
66.0k
        {
1428
66.0k
            *ps_ref_pic_buf_lx = ref_pic;
1429
66.0k
            ps_ref_pic_buf_lx++;
1430
66.0k
        }
1431
45.7k
    }
1432
45.7k
    {
1433
        /* 2. Initialize refIdxL1 */
1434
45.7k
        u1_L1 = 0;
1435
45.7k
        if(u1_field_pic_flag)
1436
2.18k
        {
1437
2.18k
            ps_ref_pic_buf_lx = ps_dpb_mgr->ps_init_dpb[1][0] + MAX_REF_BUFS;
1438
2.18k
        }
1439
43.5k
        else
1440
43.5k
        {
1441
43.5k
            ps_ref_pic_buf_lx = ps_dpb_mgr->ps_init_dpb[1][0];
1442
43.5k
        }
1443
1444
        /* 2.1. Arrange POC's more than CurrPOC in the ascending POC order starting
1445
         from (CurrPOC + 1)*/
1446
72.2k
        for(j = i_cur_idx + 1; j < ps_dpb_mgr->u1_num_st_ref_bufs; j++)
1447
26.4k
        {
1448
26.4k
            if(aps_st_pic_bufs[j])
1449
26.4k
            {
1450
                /* Start from ST head */
1451
26.4k
                ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_buf_lx,
1452
26.4k
                                                   aps_st_pic_bufs[j]);
1453
26.4k
                ps_ref_pic_buf_lx++;
1454
26.4k
                u1_L1++;
1455
26.4k
            }
1456
26.4k
        }
1457
1458
        /* Arrange all short term buffers in output order as given by POC */
1459
        /* 2.2 Arrange POC's less than CurrPOC in the descending POC order starting
1460
         from (CurrPOC - 1)*/
1461
64.8k
        for(j = i_cur_idx; j >= 0; j--)
1462
19.1k
        {
1463
19.1k
            if(aps_st_pic_bufs[j])
1464
19.1k
            {
1465
19.1k
                ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_buf_lx,
1466
19.1k
                                                   aps_st_pic_bufs[j]);
1467
19.1k
                ps_ref_pic_buf_lx++;
1468
19.1k
                u1_L1++;
1469
19.1k
            }
1470
19.1k
        }
1471
1472
        /* 2.3 Arrange all Long term buffers in ascending order, in LongtermIndex */
1473
        /* Start from ST head */
1474
45.7k
        u1_num_short_term_bufs = u1_L1;
1475
1476
92.5k
        for(u4_lt_index = u1_min_lt_index; u4_lt_index <= u1_max_lt_index;
1477
46.8k
                        u4_lt_index++)
1478
46.8k
        {
1479
46.8k
            ps_next_dpb = ps_dpb_mgr->ps_dpb_ht_head;
1480
48.8k
            for(i = 0; i < ps_dpb_mgr->u1_num_lt_ref_bufs; i++)
1481
7.38k
            {
1482
7.38k
                if(ps_next_dpb->u1_lt_idx == u4_lt_index)
1483
5.35k
                {
1484
5.35k
                    ih264d_insert_pic_in_ref_pic_listx(ps_ref_pic_buf_lx,
1485
5.35k
                                                       ps_next_dpb->ps_pic_buf);
1486
5.35k
                    ps_ref_pic_buf_lx->u1_long_term_pic_num =
1487
5.35k
                                    ps_ref_pic_buf_lx->u1_long_term_frm_idx;
1488
5.35k
                    ps_ref_pic_buf_lx++;
1489
5.35k
                    u1_L1++;
1490
5.35k
                    break;
1491
5.35k
                }
1492
2.03k
                ps_next_dpb = ps_next_dpb->ps_prev_long;
1493
2.03k
            }
1494
46.8k
        }
1495
1496
45.7k
        if(u1_field_pic_flag)
1497
2.18k
        {
1498
            /* Initialize the rest of the entries in the */
1499
            /* reference list to handle of errors        */
1500
2.18k
            {
1501
2.18k
                UWORD8 u1_i;
1502
2.18k
                pic_buffer_t ref_pic;
1503
1504
2.18k
                ref_pic = *(ps_dpb_mgr->ps_init_dpb[0][0] + MAX_REF_BUFS);
1505
1506
2.18k
                if(NULL == ref_pic.pu1_buf1)
1507
0
                {
1508
0
                    ref_pic = *ps_dec->ps_cur_pic;
1509
0
                }
1510
6.86k
                for(u1_i = u1_L1; u1_i < u1_max_ref_idx_l1; u1_i++)
1511
4.68k
                {
1512
4.68k
                    *ps_ref_pic_buf_lx = ref_pic;
1513
4.68k
                    ps_ref_pic_buf_lx++;
1514
4.68k
                }
1515
2.18k
            }
1516
1517
2.18k
            ih264d_convert_frm_to_fld_list(
1518
2.18k
                            ps_dpb_mgr->ps_init_dpb[1][0] + MAX_REF_BUFS,
1519
2.18k
                            &u1_L1, ps_dec, u1_num_short_term_bufs);
1520
2.18k
            ps_ref_pic_buf_lx = ps_dpb_mgr->ps_init_dpb[1][0] + u1_L1;
1521
2.18k
        }
1522
1523
45.7k
        ps_dec->ps_cur_slice->u1_initial_list_size[1] = u1_L1;
1524
1525
        /* Initialize the rest of the entries in the */
1526
        /* reference list to handle of errors        */
1527
45.7k
        {
1528
45.7k
            UWORD8 u1_i;
1529
45.7k
            pic_buffer_t ref_pic;
1530
1531
45.7k
            ref_pic = *(ps_dpb_mgr->ps_init_dpb[0][0]);
1532
1533
45.7k
            if(NULL == ref_pic.pu1_buf1)
1534
0
            {
1535
0
                ref_pic = *ps_dec->ps_cur_pic;
1536
0
            }
1537
109k
            for(u1_i = u1_L1; u1_i < u1_max_ref_idx_l1; u1_i++)
1538
64.0k
            {
1539
64.0k
                *ps_ref_pic_buf_lx = ref_pic;
1540
64.0k
                ps_ref_pic_buf_lx++;
1541
64.0k
            }
1542
45.7k
        }
1543
1544
        /* If list0 and list 1 ebtries are same then swap the 0th and 1st entry */
1545
        /* of list 1                                                            */
1546
45.7k
        {
1547
45.7k
            struct pic_buffer_t *ps_ref_pic1_buf_l0, *ps_ref_pic1_buf_l1;
1548
45.7k
            struct pic_buffer_t s_ref_pic1_buf_temp;
1549
1550
45.7k
            ps_ref_pic1_buf_l0 = ps_dpb_mgr->ps_init_dpb[0][0];
1551
45.7k
            ps_ref_pic1_buf_l1 = ps_dpb_mgr->ps_init_dpb[1][0];
1552
1553
45.7k
            if((u1_L0 == u1_L1) && (u1_L0 > 1))
1554
7.72k
            {
1555
7.72k
                WORD32 i_index, i_swap;
1556
1557
7.72k
                i_swap = 1;
1558
1559
23.9k
                for(i_index = 0; i_index < u1_L0; i_index++)
1560
18.8k
                {
1561
18.8k
                    if((ps_ref_pic1_buf_l0[i_index]).pu1_buf1
1562
18.8k
                                    != (ps_ref_pic1_buf_l1[i_index]).pu1_buf1)
1563
2.61k
                    {
1564
2.61k
                        i_swap = 0;
1565
2.61k
                        break;
1566
2.61k
                    }
1567
18.8k
                }
1568
7.72k
                if(1 == i_swap)
1569
5.11k
                {
1570
5.11k
                    memcpy(&s_ref_pic1_buf_temp, &ps_ref_pic1_buf_l1[1],
1571
5.11k
                           sizeof(struct pic_buffer_t));
1572
5.11k
                    memcpy(&ps_ref_pic1_buf_l1[1], &ps_ref_pic1_buf_l1[0],
1573
5.11k
                           sizeof(struct pic_buffer_t));
1574
5.11k
                    memcpy(&ps_ref_pic1_buf_l1[0], &s_ref_pic1_buf_temp,
1575
5.11k
                           sizeof(struct pic_buffer_t));
1576
5.11k
                }
1577
7.72k
            }
1578
45.7k
        }
1579
45.7k
    }
1580
45.7k
}
1581
1582
1583
1584
void ih264d_get_implicit_weights(dec_struct_t *ps_dec);
1585
1586
/*!
1587
 **************************************************************************
1588
 * \if Function name : ih264d_one_to_one \endif
1589
 *
1590
 * \brief
1591
 *    Initializes forward and backward refernce lists for B slice decoding.
1592
 *
1593
 *
1594
 * \return
1595
 *    0 on Success and Error code otherwise
1596
 **************************************************************************
1597
 */
1598
void ih264d_one_to_one(dec_struct_t *ps_dec,
1599
                       struct pic_buffer_t *ps_col_pic,
1600
                       directmv_t *ps_direct,
1601
                       UWORD8 u1_wd_x,
1602
                       WORD32 u2_sub_mb_ofst,
1603
                       dec_mb_info_t * ps_cur_mb_info)
1604
5.76M
{
1605
5.76M
    UWORD8 *pu1_col_zero_flag_start, u1_col_mb_pred_mode, u1_num_blks, u1_sub_mb_num;
1606
5.76M
    UWORD8 u1_init_colzero_flag;
1607
5.76M
    UNUSED(ps_cur_mb_info);
1608
5.76M
    pu1_col_zero_flag_start = ps_col_pic->pu1_col_zero_flag + u2_sub_mb_ofst;
1609
5.76M
    u1_col_mb_pred_mode = pu1_col_zero_flag_start[ps_dec->u1_sub_mb_num];
1610
5.76M
    u1_init_colzero_flag = u1_col_mb_pred_mode & 1;
1611
5.76M
    u1_col_mb_pred_mode >>= 6;
1612
5.76M
    ps_direct->u1_vert_mv_scale = ONE_TO_ONE;
1613
5.76M
    ps_direct->u1_col_zeroflag_change = 0;
1614
1615
5.76M
    if(u1_wd_x == MB_SIZE)
1616
5.74M
    {
1617
5.74M
        ps_dec->u1_currB_type = (!!u1_col_mb_pred_mode);
1618
5.74M
        if(u1_col_mb_pred_mode == PRED_16x16)
1619
5.71M
        {
1620
5.71M
            ps_direct->i1_num_partitions = 1;
1621
5.71M
            ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst;
1622
5.71M
            ps_direct->i1_submb_num[0] = 0;
1623
5.71M
            ps_direct->i1_partitionsize[0] = PRED_16x16;
1624
1625
5.71M
            return;
1626
5.71M
        }
1627
35.7k
        else if(u1_col_mb_pred_mode < PRED_8x8)
1628
19.4k
        {
1629
19.4k
            ps_direct->i1_num_partitions = 2;
1630
19.4k
            ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst;
1631
19.4k
            ps_direct->i1_submb_num[0] = 0;
1632
19.4k
            ps_direct->i1_partitionsize[0] = u1_col_mb_pred_mode;
1633
19.4k
            u1_sub_mb_num = (u1_col_mb_pred_mode == PRED_16x8) ? 8 : 2;
1634
19.4k
            ps_direct->i1_submb_num[1] = u1_sub_mb_num;
1635
19.4k
            ps_direct->i4_mv_indices[1] = u2_sub_mb_ofst
1636
19.4k
                            + ps_direct->i1_submb_num[1];
1637
19.4k
            ps_direct->i1_partitionsize[1] = u1_col_mb_pred_mode;
1638
19.4k
            if((pu1_col_zero_flag_start[u1_sub_mb_num] & 1) != u1_init_colzero_flag)
1639
5.96k
                ps_direct->u1_col_zeroflag_change = 1;
1640
19.4k
            return;
1641
19.4k
        }
1642
16.2k
        else
1643
16.2k
        {
1644
16.2k
            u1_num_blks = 4;
1645
16.2k
        }
1646
5.74M
    }
1647
22.7k
    else
1648
22.7k
    {
1649
22.7k
        u1_num_blks = 1;
1650
22.7k
    }
1651
1652
38.9k
    {
1653
38.9k
        const UWORD8 *pu1_top_lt_mb_part_idx;
1654
38.9k
        UWORD8 u1_col_sub_mb_pred_mode, uc_blk, u1_sub_blk, u1_submb_col = 0;
1655
38.9k
        UWORD8 u1_num_sub_blks, uc_direct8x8inf, *pu1_col_zero_flag, u1_sub_mb_num;
1656
38.9k
        const UWORD8 *pu1_num_sub_mb_part =
1657
38.9k
                        (const UWORD8 *)gau1_ih264d_num_submb_part;
1658
38.9k
        UWORD8 i1_num_partitions = 0, partition_size;
1659
38.9k
        WORD32 mv_index;
1660
38.9k
        const UWORD8 *pu1_top_lt_sub_mb_idx = gau1_ih264d_submb_indx_mod_sp_drct;
1661
1662
38.9k
        u1_sub_mb_num = ps_dec->u1_sub_mb_num;
1663
38.9k
        uc_direct8x8inf = ps_dec->ps_cur_slice->u1_direct_8x8_inference_flag;
1664
38.9k
        pu1_top_lt_mb_part_idx = gau1_ih264d_top_left_mb_part_indx_mod
1665
38.9k
                        + (PRED_8x8 << 1) + 1;
1666
1667
126k
        for(uc_blk = 0; uc_blk < u1_num_blks; uc_blk++)
1668
87.8k
        {
1669
87.8k
            partition_size = PRED_8x8;
1670
87.8k
            pu1_top_lt_sub_mb_idx = gau1_ih264d_submb_indx_mod_sp_drct;
1671
87.8k
            if(uc_direct8x8inf == 1)
1672
53.4k
            {
1673
53.4k
                u1_submb_col = u1_sub_mb_num | (u1_sub_mb_num >> 1);
1674
53.4k
                mv_index = u2_sub_mb_ofst + u1_submb_col;
1675
53.4k
                u1_num_sub_blks = 1;
1676
53.4k
            }
1677
34.4k
            else
1678
34.4k
            {
1679
                /* colMbPart is either 8x8, 8x4, 4x8, 4x4 */
1680
34.4k
                pu1_col_zero_flag = pu1_col_zero_flag_start + u1_sub_mb_num;
1681
34.4k
                u1_col_sub_mb_pred_mode = *pu1_col_zero_flag;
1682
34.4k
                u1_col_sub_mb_pred_mode = (u1_col_sub_mb_pred_mode & 0x30) >> 4;
1683
34.4k
                partition_size = (UWORD8)((u1_col_sub_mb_pred_mode)
1684
34.4k
                                | (PRED_8x8 << 2));
1685
34.4k
                mv_index = u2_sub_mb_ofst + u1_sub_mb_num;
1686
34.4k
                pu1_top_lt_sub_mb_idx += (u1_col_sub_mb_pred_mode << 1);
1687
34.4k
                u1_num_sub_blks = pu1_num_sub_mb_part[u1_col_sub_mb_pred_mode];
1688
1689
34.4k
            }
1690
1691
191k
            for(u1_sub_blk = 0; u1_sub_blk < u1_num_sub_blks;
1692
103k
                            u1_sub_blk++, pu1_top_lt_sub_mb_idx++)
1693
103k
            {
1694
103k
                u1_sub_mb_num += *pu1_top_lt_sub_mb_idx;
1695
103k
                mv_index += *pu1_top_lt_sub_mb_idx;
1696
103k
                ps_direct->i4_mv_indices[i1_num_partitions] = mv_index;
1697
103k
                ps_direct->i1_submb_num[i1_num_partitions] = u1_sub_mb_num;
1698
103k
                ps_direct->i1_partitionsize[i1_num_partitions] = partition_size;
1699
103k
                i1_num_partitions++;
1700
103k
                if(!uc_direct8x8inf)
1701
50.0k
                    u1_submb_col = u1_sub_mb_num;
1702
103k
                if((pu1_col_zero_flag_start[u1_submb_col] & 1)
1703
103k
                                != u1_init_colzero_flag)
1704
14.0k
                    ps_direct->u1_col_zeroflag_change = 1;
1705
103k
            }
1706
87.8k
            u1_sub_mb_num = *pu1_top_lt_mb_part_idx++;
1707
87.8k
        }
1708
38.9k
        ps_direct->i1_num_partitions = i1_num_partitions;
1709
38.9k
    }
1710
38.9k
}
1711
/*!
1712
 **************************************************************************
1713
 * \if Function name : ih264d_mbaff_cross_pmbair \endif
1714
 *
1715
 * \brief
1716
 *    Initializes forward and backward refernce lists for B slice decoding.
1717
 *
1718
 *
1719
 * \return
1720
 *    0 on Success and Error code otherwise
1721
 **************************************************************************
1722
 */
1723
void ih264d_mbaff_cross_pmbair(dec_struct_t *ps_dec,
1724
                               struct pic_buffer_t *ps_col_pic,
1725
                               directmv_t *ps_direct,
1726
                               UWORD8 u1_wd_x,
1727
                               WORD32 u2_sub_mb_ofst,
1728
                               dec_mb_info_t * ps_cur_mb_info)
1729
11.3k
{
1730
11.3k
    UWORD8 *pu1_col_zero_flag_start, *pu1_col_zero_flag, u1_sub_mb_num,
1731
11.3k
                    uc_sub_mb_num_col;
1732
11.3k
    UWORD8 *pu1_col_zero_flag_right_half;
1733
11.3k
    WORD32 i4_force_8X8;
1734
11.3k
    UWORD8 u1_num_blks, u1_col_mb_pred_mode, uc_blk, u1_col_sub_mb_pred_mode,
1735
11.3k
                    u1_col_sub_mb_pred_mode_rt;
1736
11.3k
    UWORD8 i1_num_partitions = 0, partition_size;
1737
1738
11.3k
    WORD32 mv_index;
1739
1740
11.3k
    UWORD8 u1_num_sub_blks;
1741
11.3k
    UWORD8 u1_is_cur_mb_fld, i;
1742
11.3k
    UWORD8 u1_init_colzero_flag;
1743
1744
11.3k
    u1_is_cur_mb_fld = ps_cur_mb_info->u1_mb_field_decodingflag;
1745
11.3k
    u1_sub_mb_num = ps_dec->u1_sub_mb_num;
1746
11.3k
    ps_direct->u1_col_zeroflag_change = 0;
1747
    /*pu1_col_zero_flag_start = ps_col_pic->pu1_col_zero_flag + u2_sub_mb_ofst;
1748
     u1_col_mb_pred_mode = pu1_col_zero_flag_start[u1_sub_mb_num];
1749
     u1_init_colzero_flag = u1_col_mb_pred_mode & 1;
1750
     u1_col_mb_pred_mode >>= 6; */
1751
11.3k
    if(0 == u1_is_cur_mb_fld)
1752
7.46k
    {
1753
7.46k
        ps_direct->u1_vert_mv_scale = FLD_TO_FRM;
1754
7.46k
        if(u1_wd_x == MB_SIZE)
1755
7.45k
        {
1756
7.45k
            pu1_col_zero_flag_start = ps_col_pic->pu1_col_zero_flag
1757
7.45k
                            + u2_sub_mb_ofst;
1758
7.45k
            u1_col_mb_pred_mode = pu1_col_zero_flag_start[0];
1759
7.45k
            u1_init_colzero_flag = u1_col_mb_pred_mode & 1;
1760
7.45k
            u1_col_mb_pred_mode >>= 6;
1761
1762
1763
7.45k
            if(u1_col_mb_pred_mode & 0x2)
1764
258
            {
1765
258
                ps_dec->u1_currB_type = 1;
1766
258
                if(u1_col_mb_pred_mode == PRED_8x16)
1767
43
                {
1768
43
                    ps_direct->i1_num_partitions = 2;
1769
43
                    ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst;
1770
43
                    ps_direct->i1_submb_num[0] = 0;
1771
43
                    ps_direct->i1_partitionsize[0] = PRED_8x16;
1772
43
                    ps_direct->i4_mv_indices[1] = u2_sub_mb_ofst + 2;
1773
43
                    ps_direct->i1_submb_num[1] = 2;
1774
43
                    ps_direct->i1_partitionsize[1] = PRED_8x16;
1775
43
                    if((pu1_col_zero_flag_start[2] & 1) != u1_init_colzero_flag)
1776
4
                        ps_direct->u1_col_zeroflag_change = 1;
1777
43
                }
1778
215
                else
1779
215
                {
1780
215
                    pu1_col_zero_flag = pu1_col_zero_flag_start + u1_sub_mb_num;
1781
215
                    u1_col_sub_mb_pred_mode = (*pu1_col_zero_flag & 0x10);/* 8x4 or 4x4 mode */
1782
1783
215
                    pu1_col_zero_flag_right_half = pu1_col_zero_flag_start
1784
215
                                    + u1_sub_mb_num + 2;
1785
215
                    u1_col_sub_mb_pred_mode_rt =
1786
215
                                    (*pu1_col_zero_flag_right_half & 0x10);/* 8x4 or 4x4 mode */
1787
1788
215
                    i4_force_8X8 = (u1_col_sub_mb_pred_mode)
1789
194
                                    || (u1_col_sub_mb_pred_mode_rt);
1790
215
                    if(i4_force_8X8)
1791
34
                    {
1792
34
                        u1_num_sub_blks = 2;
1793
34
                        partition_size = PRED_8x8;
1794
34
                    }
1795
181
                    else
1796
181
                    {
1797
181
                        partition_size = PRED_8x16;
1798
181
                        u1_num_sub_blks = 1;
1799
181
                    }
1800
1801
645
                    for(i = 0; i < 2; i++)
1802
430
                    {
1803
928
                        for(uc_blk = 0; uc_blk < u1_num_sub_blks; uc_blk++)
1804
498
                        {
1805
498
                            uc_sub_mb_num_col = u1_sub_mb_num | (u1_sub_mb_num >> 1);
1806
498
                            uc_sub_mb_num_col &= 0x7;
1807
498
                            mv_index = u2_sub_mb_ofst + uc_sub_mb_num_col;
1808
1809
498
                            ps_direct->i4_mv_indices[i1_num_partitions] =
1810
498
                                            mv_index;
1811
498
                            ps_direct->i1_submb_num[i1_num_partitions] =
1812
498
                                            u1_sub_mb_num;
1813
498
                            ps_direct->i1_partitionsize[i1_num_partitions] =
1814
498
                                            partition_size;
1815
498
                            i1_num_partitions++;
1816
498
                            if((pu1_col_zero_flag_start[uc_sub_mb_num_col] & 1)
1817
498
                                            != u1_init_colzero_flag)
1818
32
                                ps_direct->u1_col_zeroflag_change = 1;
1819
498
                            u1_sub_mb_num += 8;
1820
498
                        }
1821
430
                        u1_sub_mb_num = 2; /* move to second half of Cur MB */
1822
430
                    }
1823
215
                    ps_direct->i1_num_partitions = i1_num_partitions;
1824
215
                    return;
1825
215
                }
1826
258
            }
1827
7.19k
            else
1828
7.19k
            {
1829
7.19k
                ps_direct->i1_num_partitions = 1;
1830
7.19k
                ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst;
1831
7.19k
                ps_direct->i1_submb_num[0] = 0;
1832
7.19k
                ps_direct->i1_partitionsize[0] = PRED_16x16;
1833
7.19k
                ps_dec->u1_currB_type = 0;
1834
7.19k
                return;
1835
7.19k
            }
1836
7.45k
        }
1837
11
        else
1838
11
        {
1839
11
            uc_sub_mb_num_col = u1_sub_mb_num | (u1_sub_mb_num >> 1);
1840
11
            uc_sub_mb_num_col &= 0x7;
1841
1842
11
            ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst + uc_sub_mb_num_col;
1843
11
            ps_direct->i1_submb_num[0] = u1_sub_mb_num;
1844
11
            ps_direct->i1_partitionsize[0] = PRED_8x8;
1845
11
            ps_direct->i1_num_partitions = 1;
1846
11
        }
1847
7.46k
    }
1848
3.92k
    else
1849
3.92k
    {
1850
3.92k
        ps_direct->u1_vert_mv_scale = FRM_TO_FLD;
1851
3.92k
        pu1_col_zero_flag_start = ps_col_pic->pu1_col_zero_flag + u2_sub_mb_ofst;
1852
3.92k
        u1_init_colzero_flag = pu1_col_zero_flag_start[0] & 1;
1853
1854
3.92k
        if(u1_wd_x == MB_SIZE)
1855
3.89k
        {
1856
3.89k
            UWORD8 u1_submb_col;
1857
3.89k
            UWORD8 *puc_colZeroFlagStart_bot_mb, uc_colMbPredMode_bot_mb;
1858
1859
3.89k
            pu1_col_zero_flag_start = ps_col_pic->pu1_col_zero_flag
1860
3.89k
                            + u2_sub_mb_ofst;
1861
3.89k
            u1_col_mb_pred_mode = pu1_col_zero_flag_start[u1_sub_mb_num] >> 6;
1862
1863
3.89k
            puc_colZeroFlagStart_bot_mb = ps_col_pic->pu1_col_zero_flag
1864
3.89k
                            + u2_sub_mb_ofst + 16;
1865
3.89k
            uc_colMbPredMode_bot_mb = puc_colZeroFlagStart_bot_mb[8] >> 6;
1866
1867
3.89k
            i4_force_8X8 = (u1_col_mb_pred_mode & 0x2)
1868
3.82k
                            || (uc_colMbPredMode_bot_mb & 0x2);
1869
3.89k
            if(i4_force_8X8)
1870
75
            {
1871
75
                u1_num_blks = 2;
1872
75
                partition_size = PRED_8x8;
1873
75
            }
1874
3.81k
            else
1875
3.81k
            {
1876
3.81k
                u1_num_blks = 1;
1877
3.81k
                partition_size = PRED_16x8;
1878
3.81k
            }
1879
1880
3.89k
            ps_dec->u1_currB_type = 1;
1881
            /*As this mb is derived from 2 Mbs min no of partitions = 2*/
1882
11.6k
            for(i = 0; i < 2; i++)
1883
7.78k
            {
1884
1885
7.78k
                pu1_col_zero_flag_start = ps_col_pic->pu1_col_zero_flag
1886
7.78k
                                + u2_sub_mb_ofst;
1887
7.78k
                u1_col_mb_pred_mode = pu1_col_zero_flag_start[u1_sub_mb_num] >> 6;
1888
1889
15.7k
                for(uc_blk = 0; uc_blk < u1_num_blks; uc_blk++)
1890
7.93k
                {
1891
7.93k
                    u1_submb_col = (u1_sub_mb_num & 0x7) ? 1 : 0;
1892
7.93k
                    u1_submb_col += u1_sub_mb_num;
1893
7.93k
                    mv_index = u2_sub_mb_ofst + u1_submb_col;
1894
1895
1896
7.93k
                    ps_direct->i4_mv_indices[i1_num_partitions] = mv_index;
1897
7.93k
                    ps_direct->i1_submb_num[i1_num_partitions] = u1_sub_mb_num;
1898
7.93k
                    ps_direct->i1_partitionsize[i1_num_partitions] =
1899
7.93k
                                    partition_size;
1900
7.93k
                    i1_num_partitions++;
1901
7.93k
                    if((pu1_col_zero_flag_start[u1_submb_col] & 1)
1902
7.93k
                                    != u1_init_colzero_flag)
1903
1.28k
                        ps_direct->u1_col_zeroflag_change = 1;
1904
7.93k
                    u1_sub_mb_num += 2;
1905
7.93k
                }
1906
7.78k
                u1_sub_mb_num = 8; /* move to second half of Cur MB */
1907
7.78k
                u2_sub_mb_ofst += 16;/* move to next Colocated MB */
1908
7.78k
            }
1909
3.89k
            ps_direct->i1_num_partitions = i1_num_partitions;
1910
3.89k
            return;
1911
3.89k
        }
1912
36
        else
1913
36
        {
1914
36
            uc_sub_mb_num_col = u1_sub_mb_num | (u1_sub_mb_num >> 1);
1915
36
            uc_sub_mb_num_col &= 0xb;
1916
36
            u2_sub_mb_ofst += (u1_sub_mb_num >> 3) ? 16 : 0;
1917
1918
36
            ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst + uc_sub_mb_num_col;
1919
36
            ps_direct->i1_submb_num[0] = u1_sub_mb_num;
1920
36
            ps_direct->i1_partitionsize[0] = PRED_8x8;
1921
36
            ps_direct->i1_num_partitions = 1;
1922
36
            return;
1923
36
        }
1924
3.92k
    }
1925
11.3k
}
1926
/*!
1927
 **************************************************************************
1928
 * \if Function name : ih264d_cal_col_pic \endif
1929
 *
1930
 * \brief
1931
 *    Finds the colocated picture.
1932
 *
1933
 *
1934
 * \return
1935
 *    0 on Success and Error code otherwise
1936
 **************************************************************************
1937
 */
1938
WORD32 ih264d_cal_col_pic(dec_struct_t *ps_dec)
1939
60.5k
{
1940
60.5k
    struct pic_buffer_t* ps_col_pic = ps_dec->ps_col_pic;
1941
60.5k
    UWORD8 uc_curpictype, uc_colpictype;
1942
60.5k
    ps_col_pic = ps_dec->ps_ref_pic_buf_lx[1][0];
1943
60.5k
    uc_curpictype = (ps_dec->ps_cur_pic->u1_picturetype & 0x7);
1944
60.5k
    uc_colpictype = (ps_col_pic->u1_picturetype & 0x7);
1945
60.5k
    if(uc_curpictype == FRM_PIC)
1946
58.3k
    {
1947
58.3k
        if(uc_colpictype == FRM_PIC)
1948
58.2k
            ps_dec->pf_parse_mvdirect = ih264d_one_to_one;
1949
80
        else if(uc_colpictype == COMP_FLD_PAIR)
1950
44
        {
1951
44
            ps_dec->pf_parse_mvdirect = ih264d_fld_to_frm;
1952
44
            if(ps_col_pic->i4_top_field_order_cnt
1953
44
                            >= ps_col_pic->i4_bottom_field_order_cnt)
1954
36
            {
1955
36
                struct pic_buffer_t* ps_tempPic = ps_col_pic;
1956
36
                UWORD32 ui_half_num_of_sub_mbs = ((ps_dec->u2_pic_ht
1957
36
                                * ps_dec->u2_pic_wd) >> 5);
1958
36
                ps_col_pic = ps_dec->ps_ref_pic_buf_lx[1][MAX_REF_BUFS];
1959
                /* memcpy ps_tempPic to ps_col_pic */
1960
36
                *ps_col_pic = *ps_tempPic;
1961
36
                ps_col_pic->pu1_buf1 = ps_tempPic->pu1_buf1
1962
36
                                + ps_tempPic->u2_frm_wd_y;
1963
36
                ps_col_pic->pu1_buf2 = ps_tempPic->pu1_buf2
1964
36
                                + ps_tempPic->u2_frm_wd_uv;
1965
36
                ps_col_pic->pu1_buf3 = ps_tempPic->pu1_buf3
1966
36
                                + ps_tempPic->u2_frm_wd_uv;
1967
36
                ps_col_pic->pu1_col_zero_flag = ps_tempPic->pu1_col_zero_flag
1968
36
                                + ui_half_num_of_sub_mbs;
1969
36
                ps_col_pic->ps_mv = ps_tempPic->ps_mv + ui_half_num_of_sub_mbs;
1970
1971
1972
36
                ps_col_pic->u1_pic_type = 0;/*complementary reference field pair-refering as frame */
1973
1974
1975
1976
36
            }
1977
44
        }
1978
36
        else
1979
36
        {
1980
36
            UWORD32 i4_error_code;
1981
36
            i4_error_code = ERROR_DBP_MANAGER_T;
1982
//          i4_error_code |= 1<<IVD_CORRUPTEDDATA;
1983
36
            return i4_error_code;
1984
36
        }
1985
58.3k
    }
1986
2.26k
    else if(uc_curpictype == AFRM_PIC)
1987
425
    {
1988
425
        ps_dec->pf_parse_mvdirect = ih264d_fld_to_mbaff;
1989
425
    }
1990
1.84k
    else /* must be a field*/
1991
1.84k
    {
1992
1.84k
        if(uc_colpictype == FRM_PIC)
1993
405
            ps_dec->pf_parse_mvdirect = ih264d_frm_to_fld;
1994
1.43k
        else if(uc_colpictype == AFRM_PIC)
1995
440
            ps_dec->pf_parse_mvdirect = ih264d_mbaff_to_fld;
1996
997
        else
1997
997
            ps_dec->pf_parse_mvdirect = ih264d_one_to_one;
1998
1.84k
    }
1999
60.5k
    ps_dec->ps_col_pic = ps_col_pic;
2000
60.5k
    return OK;
2001
60.5k
}
2002
2003
/*!
2004
 **************************************************************************
2005
 * \if Function name : ih264d_frm_to_fld \endif
2006
 *
2007
 * \brief
2008
 *    Initializes forward and backward refernce lists for B slice decoding.
2009
 *
2010
 *
2011
 * \return
2012
 *    0 on Success and Error code otherwise
2013
 **************************************************************************
2014
 */
2015
void ih264d_frm_to_fld(dec_struct_t *ps_dec,
2016
                       struct pic_buffer_t *ps_col_pic,
2017
                       directmv_t *ps_direct,
2018
                       UWORD8 u1_wd_x,
2019
                       WORD32 u2_sub_mb_ofst,
2020
                       dec_mb_info_t * ps_cur_mb_info)
2021
19.4k
{
2022
19.4k
    UWORD8 *pu1_col_zero_flag_start, u1_sub_mb_num;
2023
19.4k
    UWORD8 u1_num_blks, u1_col_mb_pred_mode, uc_blk;
2024
19.4k
    UWORD8 i1_num_partitions = 0, partition_size, i;
2025
19.4k
    WORD32 mv_index;
2026
19.4k
    UWORD32 increment;
2027
19.4k
    WORD32 i4_force_8X8;
2028
19.4k
    UNUSED(ps_cur_mb_info);
2029
19.4k
    ps_direct->u1_col_zeroflag_change = 1;
2030
19.4k
    ps_direct->u1_vert_mv_scale = FRM_TO_FLD;
2031
19.4k
    u1_sub_mb_num = ps_dec->u1_sub_mb_num;
2032
2033
    /* new calculation specific to this function */
2034
19.4k
    if((ps_col_pic->u1_picturetype & 0x7) == FRM_PIC)
2035
14.0k
    {
2036
14.0k
        UWORD16 u2_frm_wd_in_mbs = ps_dec->u2_frm_wd_in_mbs;
2037
14.0k
        increment = (u2_frm_wd_in_mbs << 4);
2038
        /*mbAddrCol = mbAddrCol1 */
2039
14.0k
        u2_sub_mb_ofst = (ps_dec->u2_mbx
2040
14.0k
                        + (2 * ps_dec->u2_mby * u2_frm_wd_in_mbs)) << 4;
2041
14.0k
    }
2042
5.37k
    else
2043
5.37k
        increment = 16;
2044
2045
19.4k
    if(u1_wd_x == MB_SIZE)
2046
19.4k
    {
2047
19.4k
        ps_dec->u1_currB_type = 1;
2048
2049
19.4k
        {
2050
19.4k
            UWORD8 *puc_colZeroFlagStart_bot_mb, uc_colMbPredMode_bot_mb;
2051
2052
19.4k
            pu1_col_zero_flag_start = ps_col_pic->pu1_col_zero_flag
2053
19.4k
                            + u2_sub_mb_ofst;
2054
19.4k
            u1_col_mb_pred_mode = (*pu1_col_zero_flag_start >> 6);
2055
2056
19.4k
            puc_colZeroFlagStart_bot_mb = ps_col_pic->pu1_col_zero_flag
2057
19.4k
                            + u2_sub_mb_ofst + increment;
2058
19.4k
            uc_colMbPredMode_bot_mb = (*puc_colZeroFlagStart_bot_mb >> 6);
2059
2060
19.4k
            i4_force_8X8 = (u1_col_mb_pred_mode & 0x2)
2061
19.2k
                            || (uc_colMbPredMode_bot_mb & 0x2);
2062
2063
19.4k
            if(i4_force_8X8)
2064
299
            {
2065
299
                u1_num_blks = 2;
2066
299
                partition_size = PRED_8x8;
2067
299
            }
2068
19.1k
            else
2069
19.1k
            {
2070
19.1k
                partition_size = PRED_16x8;
2071
19.1k
                u1_num_blks = 1;
2072
19.1k
            }
2073
19.4k
        }
2074
2075
        /*As this mb is derived from 2 Mbs, min no of partitions = 2*/
2076
58.2k
        for(i = 0; i < 2; i++)
2077
38.8k
        {
2078
78.2k
            for(uc_blk = 0; uc_blk < u1_num_blks; uc_blk++)
2079
39.4k
            {
2080
39.4k
                mv_index = u2_sub_mb_ofst + u1_sub_mb_num;
2081
39.4k
                mv_index += (u1_sub_mb_num & 0x7) ? 1 : 0;
2082
2083
39.4k
                ps_direct->i4_mv_indices[i1_num_partitions] = mv_index;
2084
39.4k
                ps_direct->i1_submb_num[i1_num_partitions] = u1_sub_mb_num;
2085
39.4k
                ps_direct->i1_partitionsize[i1_num_partitions] = partition_size;
2086
39.4k
                i1_num_partitions++;
2087
2088
39.4k
                u1_sub_mb_num += 2;
2089
39.4k
            }
2090
38.8k
            u1_sub_mb_num = 8; /* move to second half of Cur MB */
2091
38.8k
            u2_sub_mb_ofst += increment;/* move to next Colocated MB */
2092
38.8k
        }
2093
19.4k
        ps_direct->i1_num_partitions = i1_num_partitions;
2094
19.4k
        return;
2095
19.4k
    }
2096
35
    else
2097
35
    {
2098
35
        UWORD8 u1_sub_mb_num_col;
2099
35
        u1_sub_mb_num_col = u1_sub_mb_num | (u1_sub_mb_num >> 1);
2100
35
        u1_sub_mb_num_col &= 0xb;
2101
35
        u2_sub_mb_ofst += (u1_sub_mb_num >> 3) ? increment : 0;
2102
2103
35
        ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst + u1_sub_mb_num_col;
2104
35
        ps_direct->i1_submb_num[0] = u1_sub_mb_num;
2105
35
        ps_direct->i1_partitionsize[0] = PRED_8x8;
2106
35
        ps_direct->i1_num_partitions = 1;
2107
35
        return;
2108
35
    }
2109
19.4k
}
2110
/*!
2111
 **************************************************************************
2112
 * \if Function name : ih264d_fld_to_frm \endif
2113
 *
2114
 * \brief
2115
 *    Initializes forward and backward refernce lists for B slice decoding.
2116
 *
2117
 *
2118
 * \return
2119
 *    0 on Success and Error code otherwise
2120
 **************************************************************************
2121
 */
2122
void ih264d_fld_to_frm(dec_struct_t *ps_dec,
2123
                       struct pic_buffer_t *ps_col_pic,
2124
                       directmv_t *ps_direct,
2125
                       UWORD8 u1_wd_x,
2126
                       WORD32 u2_sub_mb_ofst,
2127
                       dec_mb_info_t * ps_cur_mb_info)
2128
23.0k
{
2129
23.0k
    UWORD8 *pu1_col_zero_flag_start, *pu1_col_zero_flag,
2130
23.0k
                    *pu1_col_zero_flag_right_half, u1_sub_mb_num, uc_sub_mb_num_col;
2131
23.0k
    UWORD8 u1_col_mb_pred_mode, uc_blk;
2132
23.0k
    WORD32 i4_force_8X8;
2133
2134
23.0k
    UNUSED(ps_cur_mb_info);
2135
23.0k
    ps_direct->u1_vert_mv_scale = FLD_TO_FRM;
2136
23.0k
    ps_direct->u1_col_zeroflag_change = 1;
2137
    /* new calculation specific to this function for u2_sub_mb_ofst*/
2138
23.0k
    u2_sub_mb_ofst = (ps_dec->u2_mbx
2139
23.0k
                    + ((ps_dec->u2_mby >> 1) * ps_dec->u2_frm_wd_in_mbs)) << 4;
2140
23.0k
    u2_sub_mb_ofst += ((ps_dec->u2_mby & 1) << 3);
2141
2142
23.0k
    if(u1_wd_x == MB_SIZE)
2143
22.8k
    {
2144
22.8k
        pu1_col_zero_flag_start = ps_col_pic->pu1_col_zero_flag + u2_sub_mb_ofst;
2145
22.8k
        u1_col_mb_pred_mode = (*pu1_col_zero_flag_start >> 6);
2146
22.8k
        ps_dec->u1_currB_type = (!!u1_col_mb_pred_mode);
2147
2148
22.8k
        if(u1_col_mb_pred_mode & 0x2)
2149
49
        {
2150
49
            if(u1_col_mb_pred_mode == PRED_8x16)
2151
24
            {
2152
24
                ps_direct->i1_num_partitions = 2;
2153
24
                ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst;
2154
24
                ps_direct->i1_submb_num[0] = 0;
2155
24
                ps_direct->i1_partitionsize[0] = PRED_8x16;
2156
24
                ps_direct->i4_mv_indices[1] = u2_sub_mb_ofst + 2;
2157
24
                ps_direct->i1_submb_num[1] = 2;
2158
24
                ps_direct->i1_partitionsize[1] = PRED_8x16;
2159
24
            }
2160
25
            else
2161
25
            {
2162
25
                UWORD8 i1_num_partitions = 0, partition_size;
2163
25
                UWORD32 mv_index;
2164
25
                UWORD8 u1_num_sub_blks, i, u1_col_sub_mb_pred_mode,
2165
25
                                u1_col_sub_mb_pred_mode_rt;
2166
2167
25
                u1_sub_mb_num = ps_dec->u1_sub_mb_num;
2168
2169
25
                pu1_col_zero_flag = pu1_col_zero_flag_start + u1_sub_mb_num;
2170
25
                u1_col_sub_mb_pred_mode = (*pu1_col_zero_flag & 0x10);/* 8x4 or 4x4 mode */
2171
2172
25
                pu1_col_zero_flag_right_half = pu1_col_zero_flag_start + u1_sub_mb_num
2173
25
                                + 2;
2174
25
                u1_col_sub_mb_pred_mode_rt = (*pu1_col_zero_flag_right_half
2175
25
                                & 0x10);/* 8x4 or 4x4 mode */
2176
2177
25
                i4_force_8X8 = (u1_col_sub_mb_pred_mode)
2178
25
                                || (u1_col_sub_mb_pred_mode_rt);
2179
25
                if(i4_force_8X8)
2180
0
                {
2181
0
                    u1_num_sub_blks = 2;
2182
0
                    partition_size = PRED_8x8;
2183
0
                }
2184
25
                else
2185
25
                {
2186
25
                    partition_size = PRED_8x16;
2187
25
                    u1_num_sub_blks = 1;
2188
25
                }
2189
2190
75
                for(i = 0; i < 2; i++)
2191
50
                {
2192
100
                    for(uc_blk = 0; uc_blk < u1_num_sub_blks; uc_blk++)
2193
50
                    {
2194
50
                        uc_sub_mb_num_col = u1_sub_mb_num | (u1_sub_mb_num >> 1);
2195
50
                        uc_sub_mb_num_col &= 0x7;
2196
50
                        mv_index = u2_sub_mb_ofst + uc_sub_mb_num_col;
2197
2198
50
                        ps_direct->i4_mv_indices[i1_num_partitions] = mv_index;
2199
50
                        ps_direct->i1_submb_num[i1_num_partitions] =
2200
50
                                        u1_sub_mb_num;
2201
50
                        ps_direct->i1_partitionsize[i1_num_partitions] =
2202
50
                                        partition_size;
2203
50
                        i1_num_partitions++;
2204
50
                        u1_sub_mb_num += 8;
2205
50
                    }
2206
2207
50
                    u1_sub_mb_num = 2; /* move to second half of Cur MB */
2208
2209
50
                }
2210
25
                ps_direct->i1_num_partitions = i1_num_partitions;
2211
25
                return;
2212
25
            }
2213
49
        }
2214
22.7k
        else
2215
22.7k
        {
2216
22.7k
            ps_direct->i1_num_partitions = 1;
2217
22.7k
            ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst;
2218
22.7k
            ps_direct->i1_submb_num[0] = 0;
2219
22.7k
            ps_direct->i1_partitionsize[0] = PRED_16x16;
2220
22.7k
            return;
2221
22.7k
        }
2222
22.8k
    }
2223
241
    else
2224
241
    {
2225
241
        u1_sub_mb_num = ps_dec->u1_sub_mb_num;
2226
241
        uc_sub_mb_num_col = u1_sub_mb_num | (u1_sub_mb_num >> 1);
2227
241
        uc_sub_mb_num_col &= 0x7;
2228
2229
241
        ps_direct->i4_mv_indices[0] = u2_sub_mb_ofst + uc_sub_mb_num_col;
2230
241
        ps_direct->i1_submb_num[0] = u1_sub_mb_num;
2231
241
        ps_direct->i1_partitionsize[0] = PRED_8x8;
2232
241
        ps_direct->i1_num_partitions = 1;
2233
241
    }
2234
23.0k
}
2235
/*!
2236
 **************************************************************************
2237
 * \if Function name : ih264d_one_to_one \endif
2238
 *
2239
 * \brief
2240
 *    Initializes forward and backward refernce lists for B slice decoding.
2241
 *
2242
 *
2243
 * \return
2244
 *    0 on Success and Error code otherwise
2245
 **************************************************************************
2246
 */
2247
void ih264d_mbaff_to_fld(dec_struct_t *ps_dec,
2248
                         struct pic_buffer_t *ps_col_pic,
2249
                         directmv_t *ps_direct,
2250
                         UWORD8 u1_wd_x,
2251
                         WORD32 u2_sub_mb_ofst,
2252
                         dec_mb_info_t * ps_cur_mb_info)
2253
6.55k
{
2254
6.55k
    UWORD8* pu1_col_zero_flag, u1_iscol_mb_fld;
2255
6.55k
    u2_sub_mb_ofst <<= 1;
2256
6.55k
    pu1_col_zero_flag = ps_col_pic->pu1_col_zero_flag + u2_sub_mb_ofst;
2257
6.55k
    u1_iscol_mb_fld = (*pu1_col_zero_flag & 0x2) >> 1;
2258
6.55k
    if(u1_iscol_mb_fld)
2259
1.17k
    {
2260
1.17k
        u2_sub_mb_ofst += (ps_dec->ps_cur_slice->u1_bottom_field_flag << 4);
2261
1.17k
        ih264d_one_to_one(ps_dec, ps_col_pic, ps_direct, u1_wd_x,
2262
1.17k
                          u2_sub_mb_ofst, ps_cur_mb_info);
2263
1.17k
    }
2264
5.37k
    else
2265
5.37k
        ih264d_frm_to_fld(ps_dec, ps_col_pic, ps_direct, u1_wd_x,
2266
5.37k
                          u2_sub_mb_ofst, ps_cur_mb_info);
2267
6.55k
}
2268
/*!
2269
 **************************************************************************
2270
 * \if Function name : ih264d_one_to_one \endif
2271
 *
2272
 * \brief
2273
 *    Initializes forward and backward refernce lists for B slice decoding.
2274
 *
2275
 *
2276
 * \return
2277
 *    0 on Success and Error code otherwise
2278
 **************************************************************************
2279
 */
2280
void ih264d_fld_to_mbaff(dec_struct_t *ps_dec,
2281
                         struct pic_buffer_t *ps_col_pic,
2282
                         directmv_t *ps_direct,
2283
                         UWORD8 u1_wd_x,
2284
                         WORD32 u2_sub_mb_ofst,
2285
                         dec_mb_info_t * ps_cur_mb_info)
2286
22.4k
{
2287
22.4k
    if((ps_col_pic->u1_picturetype & 0x7) == COMP_FLD_PAIR)
2288
9.08k
    {
2289
        /* first calculate the colocated picture which varies with Mb */
2290
9.08k
        UWORD8 u1_is_cur_mb_fld;
2291
9.08k
        u1_is_cur_mb_fld = ps_cur_mb_info->u1_mb_field_decodingflag;
2292
9.08k
        u2_sub_mb_ofst = (u2_sub_mb_ofst & 0xffe0); /* mbaddrCol5 = curmbaddr/2;*/
2293
9.08k
        u2_sub_mb_ofst >>= 1;
2294
2295
9.08k
        ps_col_pic = ps_dec->ps_ref_pic_buf_lx[1][0];
2296
9.08k
        if(u1_is_cur_mb_fld)
2297
1.85k
        {
2298
1.85k
            if(1 - ps_cur_mb_info->u1_topmb)
2299
920
                ps_col_pic = ps_dec->ps_ref_pic_buf_lx[1][MAX_REF_BUFS];
2300
2301
1.85k
            ih264d_one_to_one(ps_dec, ps_col_pic, ps_direct, u1_wd_x,
2302
1.85k
                              u2_sub_mb_ofst, ps_cur_mb_info);
2303
1.85k
        }
2304
7.23k
        else
2305
7.23k
        {
2306
2307
7.23k
            if(ABS(ps_col_pic->i4_top_field_order_cnt
2308
7.23k
                            - (WORD64)ps_dec->ps_cur_pic->i4_poc) >=
2309
7.23k
                            ABS((WORD64)ps_dec->ps_cur_pic->i4_poc
2310
7.23k
                                                - ps_col_pic->i4_bottom_field_order_cnt))
2311
2.13k
            {
2312
2.13k
                ps_col_pic = ps_dec->ps_ref_pic_buf_lx[1][MAX_REF_BUFS];
2313
2.13k
            }
2314
2315
7.23k
            if(ps_cur_mb_info->u1_topmb == 0)
2316
3.60k
                u2_sub_mb_ofst += 8;
2317
7.23k
            ih264d_mbaff_cross_pmbair(ps_dec, ps_col_pic, ps_direct, u1_wd_x,
2318
7.23k
                                      u2_sub_mb_ofst, ps_cur_mb_info);
2319
7.23k
        }
2320
9.08k
        ps_dec->ps_col_pic = ps_col_pic;
2321
9.08k
    }
2322
13.3k
    else
2323
13.3k
    {
2324
13.3k
        UWORD8* pu1_col_zero_flag = ps_col_pic->pu1_col_zero_flag
2325
13.3k
                        + u2_sub_mb_ofst;
2326
13.3k
        UWORD8 temp, u1_is_cur_mb_fld, u1_iscol_mb_fld;
2327
2328
13.3k
        u1_iscol_mb_fld = (*pu1_col_zero_flag & 0x2) >> 1;
2329
13.3k
        u1_is_cur_mb_fld = ps_cur_mb_info->u1_mb_field_decodingflag;
2330
13.3k
        temp = (u1_iscol_mb_fld ^ u1_is_cur_mb_fld);
2331
2332
13.3k
        if(temp == 0)
2333
9.23k
            ih264d_one_to_one(ps_dec, ps_col_pic, ps_direct, u1_wd_x,
2334
9.23k
                              u2_sub_mb_ofst, ps_cur_mb_info);
2335
4.15k
        else
2336
4.15k
        {
2337
4.15k
            u2_sub_mb_ofst &= 0xffef;
2338
4.15k
            if(u1_is_cur_mb_fld == 0)
2339
230
            {
2340
230
                if(ABS(ps_col_pic->i4_top_field_order_cnt
2341
230
                                - (WORD64)ps_dec->ps_cur_pic->i4_poc) >=
2342
230
                                ABS((WORD64)ps_dec->ps_cur_pic->i4_poc
2343
230
                                                    - ps_col_pic->i4_bottom_field_order_cnt))
2344
210
                {
2345
210
                    u2_sub_mb_ofst += 0x10;
2346
210
                }
2347
230
                if(ps_cur_mb_info->u1_topmb == 0)
2348
117
                    u2_sub_mb_ofst += 8;
2349
230
            }
2350
4.15k
            ih264d_mbaff_cross_pmbair(ps_dec, ps_col_pic, ps_direct, u1_wd_x,
2351
4.15k
                                      u2_sub_mb_ofst, ps_cur_mb_info);
2352
4.15k
        }
2353
13.3k
    }
2354
22.4k
}
2355