1 /******************************************************************************
2 *
3 * Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
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 /**
19 *******************************************************************************
20 * @file
21 * ihevcd_api.c
22 *
23 * @brief
24 * Contains functions definitions for reference list generation
25 *
26 * @author
27 * Srinivas T
28 *
29 * @par List of Functions:\
30 * - ihevcd_ref_pic
31 *
32 * @remarks
33 * None
34 *
35 *******************************************************************************
36 */
37
38 /*****************************************************************************/
39 /* File Includes */
40 /*****************************************************************************/
41 #include <stdio.h>
42 #include <stddef.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include <assert.h>
46
47 #include "ihevc_typedefs.h"
48 #include "iv.h"
49 #include "ivd.h"
50 #include "ihevcd_cxa.h"
51
52 #include "ihevc_defs.h"
53 #include "ihevc_debug.h"
54 #include "ihevc_defs.h"
55 #include "ihevc_macros.h"
56 #include "ihevc_platform_macros.h"
57 #include "ihevc_structs.h"
58 #include "ihevc_buf_mgr.h"
59 #include "ihevc_dpb_mgr.h"
60
61 #include "ihevcd_trace.h"
62 #include "ihevcd_defs.h"
63 #include "ihevc_cabac_tables.h"
64 #include "ihevcd_function_selector.h"
65 #include "ihevcd_structs.h"
66 #include "ihevcd_error.h"
67 #include "ihevcd_nal.h"
68 #include "ihevcd_bitstream.h"
69 #include "ihevcd_debug.h"
70 #include "ihevcd_error.h"
71
72
ihevcd_mv_mgr_get_poc(buf_mgr_t * ps_mv_buf_mgr,UWORD32 abs_poc)73 mv_buf_t* ihevcd_mv_mgr_get_poc(buf_mgr_t *ps_mv_buf_mgr, UWORD32 abs_poc)
74 {
75 UWORD32 i;
76 mv_buf_t *ps_mv_buf = NULL;
77
78
79
80 for(i = 0; i < ps_mv_buf_mgr->u4_max_buf_cnt; i++)
81 {
82 ps_mv_buf = (mv_buf_t *)ps_mv_buf_mgr->apv_ptr[i];
83 if(ps_mv_buf && (ps_mv_buf->i4_abs_poc == (WORD32)abs_poc))
84 {
85 break;
86 }
87 }
88
89 return ps_mv_buf;
90 }
91
92
ihevcd_ref_list(codec_t * ps_codec,pps_t * ps_pps,sps_t * ps_sps,slice_header_t * ps_slice_hdr)93 WORD32 ihevcd_ref_list(codec_t *ps_codec, pps_t *ps_pps, sps_t *ps_sps, slice_header_t *ps_slice_hdr)
94 {
95 WORD32 i;
96 WORD32 st_rps_idx;
97 WORD32 num_neg_pics, num_pos_pics;
98 WORD8 *pi1_used;
99 WORD16 *pi2_delta_poc;
100 UWORD32 u4_max_poc_lsb;
101 pic_buf_t *ps_pic_buf;
102 mv_buf_t *ps_mv_buf;
103 UWORD32 r_idx;
104
105 dpb_mgr_t *ps_dpb_mgr = (dpb_mgr_t *)ps_codec->pv_dpb_mgr;
106 buf_mgr_t *ps_mv_buf_mgr = (buf_mgr_t *)ps_codec->pv_mv_buf_mgr;
107
108 WORD32 ai4_poc_st_curr_before[MAX_DPB_SIZE], ai4_poc_st_foll[MAX_DPB_SIZE], ai4_poc_st_curr_after[MAX_DPB_SIZE];
109 WORD32 ai4_poc_lt_curr[MAX_DPB_SIZE], ai4_poc_lt_foll[MAX_DPB_SIZE];
110 UWORD32 u4_num_st_curr_before, u4_num_st_foll, u4_num_st_curr_after, u4_num_lt_curr, u4_num_lt_foll;
111 UWORD32 u4_num_total_curr;
112
113 WORD8 ai1_curr_delta_poc_msb_present_flag[MAX_DPB_SIZE], ai1_foll_delta_poc_msb_present_flag[MAX_DPB_SIZE];
114
115 pic_buf_t *as_ref_pic_lt_curr[MAX_DPB_SIZE];
116 pic_buf_t *as_ref_pic_lt_foll[MAX_DPB_SIZE];
117 pic_buf_t *as_ref_pic_st_curr_after[MAX_DPB_SIZE];
118 pic_buf_t *as_ref_pic_st_curr_before[MAX_DPB_SIZE];
119 pic_buf_t *as_ref_pic_st_foll[MAX_DPB_SIZE];
120
121 pic_buf_t *as_ref_pic_list_temp0[MAX_DPB_SIZE], *as_ref_pic_list_temp1[MAX_DPB_SIZE];
122
123 UWORD32 u4_num_rps_curr_temp_list0, u4_num_rps_curr_temp_list1;
124
125 WORD32 i4_pic_order_cnt_val;
126 WORD32 i4_poc_lt;
127 UNUSED(as_ref_pic_lt_foll);
128 UNUSED(as_ref_pic_st_foll);
129 UNUSED(ps_pps);
130
131 RETURN_IF_NAL_INFO;
132
133 u4_max_poc_lsb = (1 << ps_sps->i1_log2_max_pic_order_cnt_lsb);
134
135 i4_pic_order_cnt_val = ps_slice_hdr->i4_abs_pic_order_cnt;
136
137 if(1 == ps_slice_hdr->i1_short_term_ref_pic_set_sps_flag)
138 {
139 st_rps_idx = ps_slice_hdr->i1_short_term_ref_pic_set_idx;
140 num_neg_pics = ps_sps->as_stref_picset[st_rps_idx].i1_num_neg_pics;
141 num_pos_pics = ps_sps->as_stref_picset[st_rps_idx].i1_num_pos_pics;
142 pi1_used = ps_sps->as_stref_picset[st_rps_idx].ai1_used;
143 pi2_delta_poc = ps_sps->as_stref_picset[st_rps_idx].ai2_delta_poc;
144 }
145 else
146 {
147 st_rps_idx = ps_sps->i1_num_short_term_ref_pic_sets;
148 num_neg_pics = ps_slice_hdr->s_stref_picset.i1_num_neg_pics;
149 num_pos_pics = ps_slice_hdr->s_stref_picset.i1_num_pos_pics;
150 pi1_used = ps_slice_hdr->s_stref_picset.ai1_used;
151 pi2_delta_poc = ps_slice_hdr->s_stref_picset.ai2_delta_poc;
152 }
153
154 u4_num_st_curr_before = 0;
155 u4_num_st_foll = 0;
156 for(i = 0; i < num_neg_pics; i++)
157 {
158 if(pi1_used[i])
159 {
160 ai4_poc_st_curr_before[u4_num_st_curr_before] = i4_pic_order_cnt_val + pi2_delta_poc[i];
161 u4_num_st_curr_before++;
162 }
163 else
164 {
165 ai4_poc_st_foll[u4_num_st_foll] = i4_pic_order_cnt_val + pi2_delta_poc[i];
166 u4_num_st_foll++;
167 }
168 }
169 u4_num_st_curr_after = 0;
170 for(i = num_neg_pics; i < num_neg_pics + num_pos_pics; i++)
171 {
172 if(pi1_used[i])
173 {
174 ai4_poc_st_curr_after[u4_num_st_curr_after] = i4_pic_order_cnt_val + pi2_delta_poc[i];
175 u4_num_st_curr_after++;
176 }
177 else
178 {
179 ai4_poc_st_foll[u4_num_st_foll] = i4_pic_order_cnt_val + pi2_delta_poc[i];
180 u4_num_st_foll++;
181 }
182 }
183
184 u4_num_lt_curr = 0;
185 u4_num_lt_foll = 0;
186 for(i = 0; i < ps_slice_hdr->i1_num_long_term_sps + ps_slice_hdr->i1_num_long_term_pics; i++)
187 {
188 i4_poc_lt = ps_slice_hdr->ai4_poc_lsb_lt[i];
189 if(ps_slice_hdr->ai1_delta_poc_msb_present_flag[i])
190 {
191 i4_poc_lt += i4_pic_order_cnt_val - ps_slice_hdr->ai1_delta_poc_msb_cycle_lt[i] * u4_max_poc_lsb - ps_slice_hdr->i4_pic_order_cnt_lsb;
192 }
193
194 if(ps_slice_hdr->ai1_used_by_curr_pic_lt_flag[i])
195 {
196 ai4_poc_lt_curr[u4_num_lt_curr] = i4_poc_lt;
197 ai1_curr_delta_poc_msb_present_flag[u4_num_lt_curr] = ps_slice_hdr->ai1_delta_poc_msb_present_flag[i];
198 u4_num_lt_curr++;
199 }
200 else
201 {
202 ai4_poc_lt_foll[u4_num_lt_foll] = i4_poc_lt;
203 ai1_foll_delta_poc_msb_present_flag[u4_num_lt_foll] = ps_slice_hdr->ai1_delta_poc_msb_present_flag[i];
204 u4_num_lt_foll++;
205 }
206 }
207
208 u4_num_total_curr = u4_num_lt_curr + u4_num_st_curr_after + u4_num_st_curr_before;
209
210 /* Bit stream conformance tests */
211 /*
212 for(i = 0; i < u4_num_lt_curr; i++)
213 {
214 int j;
215 if(ai1_curr_delta_poc_msb_present_flag[i])
216 {
217 for(j = 0; j < u4_num_st_curr_before; j++)
218 {
219 ASSERT(ai4_poc_st_curr_before[j] != ai4_poc_lt_curr[i]);
220 }
221 for(j = 0; j < u4_num_st_curr_after; j++)
222 {
223 ASSERT(ai4_poc_st_curr_after[j] != ai4_poc_lt_curr[i]);
224 }
225 for(j = 0; j < u4_num_st_foll; j++)
226 {
227 ASSERT(ai4_poc_st_foll[j] != ai4_poc_lt_curr[i]);
228 }
229 for(j = 0; j < u4_num_lt_curr; j++)
230 {
231 ASSERT((ai4_poc_lt_curr[j] != ai4_poc_lt_curr[i]) || (j == i));
232 }
233 }
234 else
235 {
236 for(j = 0; j < u4_num_st_curr_before; j++)
237 {
238 ASSERT((ai4_poc_st_curr_before[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_curr[i]);
239 }
240 for(j = 0; j < u4_num_st_curr_after; j++)
241 {
242 ASSERT((ai4_poc_st_curr_after[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_curr[i]);
243 }
244 for(j = 0; j < u4_num_st_foll; j++)
245 {
246 ASSERT((ai4_poc_st_foll[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_curr[i]);
247 }
248 for(j = 0; j < u4_num_lt_curr; j++)
249 {
250 ASSERT(((ai4_poc_lt_curr[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_curr[i]) || (j == i));
251 }
252 }
253 }
254
255 for(i = 0; i < u4_num_lt_foll; i++)
256 {
257 int j;
258 if(ai1_foll_delta_poc_msb_present_flag[i])
259 {
260 for(j = 0; j < u4_num_st_curr_before; j++)
261 {
262 ASSERT(ai4_poc_st_curr_before[j] != ai4_poc_lt_foll[i]);
263 }
264 for(j = 0; j < u4_num_st_curr_after; j++)
265 {
266 ASSERT(ai4_poc_st_curr_after[j] != ai4_poc_lt_foll[i]);
267 }
268 for(j = 0; j < u4_num_st_foll; j++)
269 {
270 ASSERT(ai4_poc_st_foll[j] != ai4_poc_lt_foll[i]);
271 }
272 for(j = 0; j < u4_num_lt_curr; j++)
273 {
274 ASSERT(ai4_poc_lt_curr[j] != ai4_poc_lt_foll[i]);
275 }
276 for(j = 0; j < u4_num_lt_foll; j++)
277 {
278 ASSERT((ai4_poc_lt_foll[j] != ai4_poc_lt_foll[i]) || (j == i));
279 }
280 }
281 else
282 {
283 for(j = 0; j < u4_num_st_curr_before; j++)
284 {
285 ASSERT((ai4_poc_st_curr_before[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]);
286 }
287 for(j = 0; j < u4_num_st_curr_after; j++)
288 {
289 ASSERT((ai4_poc_st_curr_after[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]);
290 }
291 for(j = 0; j < u4_num_st_foll; j++)
292 {
293 ASSERT((ai4_poc_st_foll[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]);
294 }
295 for(j = 0; j < u4_num_lt_curr; j++)
296 {
297 ASSERT((ai4_poc_lt_curr[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]);
298 }
299 for(j = 0; j < u4_num_lt_foll; j++)
300 {
301 ASSERT(((ai4_poc_lt_foll[j] & (u4_max_poc_lsb - 1)) != ai4_poc_lt_foll[i]) || (j == i));
302 }
303 }
304 }
305 */
306
307
308 /* Reference Pic sets creation */
309
310 /* Set all the DPB buffers to UNUSED_FOR_REF */
311 if(0 == ps_codec->i4_pic_present)
312 {
313 for(i = 0; i < MAX_DPB_BUFS; i++)
314 {
315 if(ps_dpb_mgr->as_dpb_info[i].ps_pic_buf)
316 ps_dpb_mgr->as_dpb_info[i].ps_pic_buf->u1_used_as_ref = UNUSED_FOR_REF;
317 }
318 }
319
320 for(i = 0; i < (WORD32)u4_num_lt_curr; i++)
321 {
322 if(0 == ai1_curr_delta_poc_msb_present_flag[i])
323 {
324 ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc_lsb(ps_dpb_mgr, ai4_poc_lt_curr[i]);
325 if(NULL != ps_pic_buf)
326 ps_pic_buf->u1_used_as_ref = LONG_TERM_REF;
327
328 as_ref_pic_lt_curr[i] = ps_pic_buf;
329 }
330 else
331 {
332 ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_lt_curr[i]);
333 if(NULL != ps_pic_buf)
334 ps_pic_buf->u1_used_as_ref = LONG_TERM_REF;
335
336 as_ref_pic_lt_curr[i] = ps_pic_buf;
337 }
338 }
339
340 for(i = 0; i < (WORD32)u4_num_lt_foll; i++)
341 {
342 if(0 == ai1_foll_delta_poc_msb_present_flag[i])
343 {
344 ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc_lsb(ps_dpb_mgr, ai4_poc_lt_foll[i]);
345 if(NULL != ps_pic_buf)
346 ps_pic_buf->u1_used_as_ref = LONG_TERM_REF;
347
348 as_ref_pic_lt_foll[i] = ps_pic_buf;
349 }
350 else
351 {
352 ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_lt_foll[i]);
353 if(NULL != ps_pic_buf)
354 ps_pic_buf->u1_used_as_ref = LONG_TERM_REF;
355
356 as_ref_pic_lt_foll[i] = ps_pic_buf;
357 }
358 }
359
360
361 for(i = 0; i < (WORD32)u4_num_st_curr_before; i++)
362 {
363
364 ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_st_curr_before[i]);
365 if(NULL != ps_pic_buf)
366 ps_pic_buf->u1_used_as_ref = SHORT_TERM_REF;
367
368 as_ref_pic_st_curr_before[i] = ps_pic_buf;
369 }
370
371 for(i = 0; i < (WORD32)u4_num_st_curr_after; i++)
372 {
373 ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_st_curr_after[i]);
374 if(NULL != ps_pic_buf)
375 ps_pic_buf->u1_used_as_ref = SHORT_TERM_REF;
376
377 as_ref_pic_st_curr_after[i] = ps_pic_buf;
378 }
379
380 for(i = 0; i < (WORD32)u4_num_st_foll; i++)
381 {
382 ps_pic_buf = ihevc_dpb_mgr_get_ref_by_poc(ps_dpb_mgr, ai4_poc_st_foll[i]);
383 if(NULL != ps_pic_buf)
384 ps_pic_buf->u1_used_as_ref = SHORT_TERM_REF;
385
386 as_ref_pic_st_foll[i] = ps_pic_buf;
387 }
388
389 //TODO: Bit stream conformance tests to be included
390
391 u4_num_rps_curr_temp_list0 = (WORD32)u4_num_total_curr > ps_slice_hdr->i1_num_ref_idx_l0_active ? (WORD32)u4_num_total_curr : ps_slice_hdr->i1_num_ref_idx_l0_active;
392
393 r_idx = 0;
394 if((PSLICE == ps_slice_hdr->i1_slice_type) ||
395 (BSLICE == ps_slice_hdr->i1_slice_type))
396 {
397 while(r_idx < u4_num_rps_curr_temp_list0)
398 {
399 for(i = 0; (i < (WORD32)u4_num_st_curr_before) && (r_idx < u4_num_rps_curr_temp_list0); r_idx++, i++)
400 {
401 if(NULL == as_ref_pic_st_curr_before[i])
402 {
403 as_ref_pic_st_curr_before[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_st_curr_before[i]);
404 }
405 as_ref_pic_list_temp0[r_idx] = as_ref_pic_st_curr_before[i];
406 }
407
408 for(i = 0; (i < (WORD32)u4_num_st_curr_after) && (r_idx < u4_num_rps_curr_temp_list0); r_idx++, i++)
409 {
410 if(NULL == as_ref_pic_st_curr_after[i])
411 {
412 as_ref_pic_st_curr_after[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_st_curr_after[i]);
413 }
414 as_ref_pic_list_temp0[r_idx] = as_ref_pic_st_curr_after[i];
415 }
416
417 for(i = 0; (i < (WORD32)u4_num_lt_curr) && (r_idx < u4_num_rps_curr_temp_list0); r_idx++, i++)
418 {
419 if(NULL == as_ref_pic_lt_curr[i])
420 {
421 as_ref_pic_lt_curr[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_lt_curr[i]);
422 }
423 as_ref_pic_list_temp0[r_idx] = as_ref_pic_lt_curr[i];
424 }
425 }
426
427 for(r_idx = 0; (WORD32)r_idx < ps_slice_hdr->i1_num_ref_idx_l0_active; r_idx++)
428 {
429 pic_buf_t *ps_pic_buf;
430 ps_slice_hdr->as_ref_pic_list0[r_idx].pv_pic_buf = ps_slice_hdr->s_rplm.i1_ref_pic_list_modification_flag_l0 ? (void *)as_ref_pic_list_temp0[ps_slice_hdr->s_rplm.i1_list_entry_l0[r_idx]] : (void *)as_ref_pic_list_temp0[r_idx];
431 ps_pic_buf = (pic_buf_t *)ps_slice_hdr->as_ref_pic_list0[r_idx].pv_pic_buf;
432
433 if(ps_pic_buf == NULL)
434 return IHEVCD_REF_PIC_NOT_FOUND;
435
436 ps_mv_buf = ihevcd_mv_mgr_get_poc(ps_mv_buf_mgr, ps_pic_buf->i4_abs_poc);
437 ps_slice_hdr->as_ref_pic_list0[r_idx].pv_mv_buf = ps_mv_buf;
438 }
439
440
441 if(ps_slice_hdr->i1_slice_type == BSLICE)
442 {
443 u4_num_rps_curr_temp_list1 = (WORD32)u4_num_total_curr > ps_slice_hdr->i1_num_ref_idx_l1_active ? (WORD32)u4_num_total_curr : ps_slice_hdr->i1_num_ref_idx_l1_active;
444
445 r_idx = 0;
446 while(r_idx < u4_num_rps_curr_temp_list1)
447 {
448 for(i = 0; (i < (WORD32)u4_num_st_curr_after) && (r_idx < u4_num_rps_curr_temp_list1); r_idx++, i++)
449 {
450 if(NULL == as_ref_pic_st_curr_after[i])
451 {
452 as_ref_pic_st_curr_after[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_st_curr_after[i]);
453 }
454 as_ref_pic_list_temp1[r_idx] = as_ref_pic_st_curr_after[i];
455 }
456
457 for(i = 0; (i < (WORD32)u4_num_st_curr_before) && (r_idx < u4_num_rps_curr_temp_list1); r_idx++, i++)
458 {
459 if(NULL == as_ref_pic_st_curr_before[i])
460 {
461 as_ref_pic_st_curr_before[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_st_curr_before[i]);
462 }
463 as_ref_pic_list_temp1[r_idx] = as_ref_pic_st_curr_before[i];
464 }
465
466 for(i = 0; (i < (WORD32)u4_num_lt_curr) && (r_idx < u4_num_rps_curr_temp_list1); r_idx++, i++)
467 {
468 if(NULL == as_ref_pic_lt_curr[i])
469 {
470 as_ref_pic_lt_curr[i] = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ai4_poc_lt_curr[i]);
471 }
472 as_ref_pic_list_temp1[r_idx] = as_ref_pic_lt_curr[i];
473 }
474 }
475
476 for(r_idx = 0; (WORD32)r_idx < ps_slice_hdr->i1_num_ref_idx_l1_active; r_idx++)
477 {
478 pic_buf_t *ps_pic_buf;
479 ps_slice_hdr->as_ref_pic_list1[r_idx].pv_pic_buf = ps_slice_hdr->s_rplm.i1_ref_pic_list_modification_flag_l1 ? (void *)as_ref_pic_list_temp1[ps_slice_hdr->s_rplm.i1_list_entry_l1[r_idx]] : (void *)as_ref_pic_list_temp1[r_idx];
480 ps_pic_buf = (pic_buf_t *)ps_slice_hdr->as_ref_pic_list1[r_idx].pv_pic_buf;
481
482 if(ps_pic_buf == NULL)
483 return IHEVCD_REF_PIC_NOT_FOUND;
484
485 ps_mv_buf = ihevcd_mv_mgr_get_poc(ps_mv_buf_mgr, ps_pic_buf->i4_abs_poc);
486 ps_slice_hdr->as_ref_pic_list1[r_idx].pv_mv_buf = ps_mv_buf;
487 }
488 }
489 }
490
491 DEBUG_PRINT_REF_LIST_POCS(i4_pic_order_cnt_val, ps_slice_hdr, ps_dpb_mgr, u4_num_st_curr_before, u4_num_st_curr_after, u4_num_st_foll, u4_num_lt_curr, u4_num_lt_foll, ai4_poc_st_curr_before, ai4_poc_st_curr_after, ai4_poc_st_foll, ai4_poc_lt_curr, ai4_poc_lt_foll);
492 /* Buffers that are still marked as UNUSED_FOR_REF are released from dpb (internally dpb calls release from pic buf manager)*/
493 for(i = 0; i < MAX_DPB_BUFS; i++)
494 {
495 if((ps_dpb_mgr->as_dpb_info[i].ps_pic_buf) && (UNUSED_FOR_REF == ps_dpb_mgr->as_dpb_info[i].ps_pic_buf->u1_used_as_ref))
496 {
497 pic_buf_t *ps_pic_buf = ps_dpb_mgr->as_dpb_info[i].ps_pic_buf;
498 mv_buf_t *ps_mv_buf;
499
500 /* Long term index is set to MAX_DPB_BUFS to ensure it is not added as LT */
501 ihevc_dpb_mgr_del_ref(ps_dpb_mgr, (buf_mgr_t *)ps_codec->pv_pic_buf_mgr, ps_pic_buf->i4_abs_poc);
502
503
504 /* Find buffer id of the MV bank corresponding to the buffer being freed (Buffer with POC of u4_abs_poc) */
505 ps_mv_buf = (mv_buf_t *)ps_codec->ps_mv_buf;
506 for(i = 0; i < BUF_MGR_MAX_CNT; i++)
507 {
508 if(ps_mv_buf && ps_mv_buf->i4_abs_poc == ps_pic_buf->i4_abs_poc)
509 {
510 ihevc_buf_mgr_release((buf_mgr_t *)ps_codec->pv_mv_buf_mgr, i, BUF_MGR_REF);
511 break;
512 }
513 ps_mv_buf++;
514 }
515 }
516
517 }
518
519 return IHEVCD_SUCCESS;
520 }
521