xref: /OK3568_Linux_fs/external/mpp/mpp/codec/dec/avs2/avs2d_dpb.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright 2021 Rockchip Electronics Co. LTD
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #define MODULE_TAG "avs2d_dpb"
18 
19 #include <string.h>
20 #include <stdlib.h>
21 
22 #include "mpp_mem.h"
23 #include "mpp_log.h"
24 #include "mpp_debug.h"
25 #include "mpp_compat_impl.h"
26 
27 #include "hal_task.h"
28 #include "avs2d_dpb.h"
29 
30 #ifndef INT_MAX
31 #define INT_MAX       2147483647      /* maximum (signed) int value */
32 #endif
33 
34 /**
35  * @brief Calculate dpb size according to specification
36  * Some bitstream may require larger dpb than declaration, so the largest dpb
37  * size is used for all bitstream. And this function is commented to silence
38  * compiler's unused warnning.
39  */
dpb_get_size(Avs2dCtx_t * p_dec)40 static RK_U32 dpb_get_size(Avs2dCtx_t *p_dec)
41 {
42     RK_U32 mini_size = 8;
43     RK_U32 mini_cu_width, mini_cu_height;
44     RK_U32 pic_size = 0;
45     RK_U32 dpb_size = AVS2_MAX_DPB_SIZE;
46 
47     Avs2dSeqHeader_t *vsh = &p_dec->vsh;
48     mini_cu_width = (vsh->horizontal_size + mini_size - 1) / mini_size;
49     if (vsh->progressive_sequence == 0 && vsh->field_coded_sequence == 0) {
50         mini_cu_height = (vsh->vertical_size + 2 * mini_size - 1) / (2 * mini_size);
51     } else {
52         mini_cu_height = (vsh->vertical_size + mini_size - 1) / mini_size;
53     }
54     pic_size = mini_cu_width * mini_size * mini_cu_height * mini_size;
55     avs2d_dbg_dpb("level_id %d, pic_size %d", vsh->level_id, pic_size);
56 
57     switch (vsh->level_id) {
58     case 0x10:
59     case 0x12:
60     case 0x14:
61     case 0x20:
62     case 0x22:
63         dpb_size = 15;
64         break;
65     case 0x40:
66     case 0x42:
67     case 0x44:
68     case 0x46:
69     case 0x48:
70     case 0x4A:
71         dpb_size = MPP_MIN(13369344 / pic_size, 16) - 1;
72         break;
73     case 0x50:
74     case 0x52:
75     case 0x54:
76     case 0x56:
77     case 0x58:
78     case 0x5A:
79         dpb_size = MPP_MIN(56623104 / pic_size, 16) - 1;
80         break;
81     case 0x60:
82     case 0x62:
83     case 0x64:
84     case 0x66:
85     case 0x68:
86     case 0x6A:
87         dpb_size = MPP_MIN(213909504 / pic_size, 16) - 1;
88         break;
89     default:
90         AVS2D_DBG(AVS2D_DBG_WARNNING, "invalid level id(%d)", vsh->level_id);
91         break;
92     }
93 
94     if (dpb_size < (RK_U32)(vsh->num_of_rps + 1)) {
95         dpb_size = (RK_U32)(vsh->num_of_rps + 1);
96     }
97     dpb_size = MPP_MIN(dpb_size, AVS2_MAX_DPB_SIZE);
98 
99     return dpb_size;
100 }
101 
new_frame()102 static Avs2dFrame_t *new_frame()
103 {
104     MPP_RET ret = MPP_OK;
105 
106     Avs2dFrame_t *f = mpp_calloc(Avs2dFrame_t, 1);
107     MEM_CHECK(ret, f);
108     f->slot_idx = NO_VAL;
109     f->doi = NO_VAL;
110     f->poi = NO_VAL;
111 
112     return f;
113 __FAILED:
114     (void)ret;
115     return NULL;
116 }
117 
dpb_init_management(Avs2dFrameMgr_t * mgr)118 static void dpb_init_management(Avs2dFrameMgr_t *mgr)
119 {
120     mgr->num_of_ref   = 0;
121     mgr->prev_doi     = NO_VAL;
122     mgr->output_poi   = NO_VAL;
123     mgr->tr_wrap_cnt  = 0;
124 
125     mgr->scene_ref = NULL;
126     mgr->cur_frm   = NULL;
127     mgr->used_size = 0;
128     memset(mgr->refs, 0, sizeof(mgr->refs));
129     memset(&mgr->cur_rps, 0, sizeof(Avs2dRps_t));
130 }
131 
avs2d_dpb_create(Avs2dCtx_t * p_dec)132 MPP_RET avs2d_dpb_create(Avs2dCtx_t *p_dec)
133 {
134     MPP_RET ret = MPP_OK;
135     RK_U32 i;
136     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
137 
138     AVS2D_PARSE_TRACE("In.");
139     mgr->dpb_specific_size = dpb_get_size(p_dec);
140     mgr->dpb_size = 15;
141     avs2d_dbg_dpb("create dpb, size %d, specific_size %d\n", mgr->dpb_size, mgr->dpb_specific_size);
142     mgr->dpb = mpp_calloc(Avs2dFrame_t*, mgr->dpb_size);
143     for (i = 0; i < mgr->dpb_size; i++) {
144         mgr->dpb[i] = new_frame();
145         MEM_CHECK(ret, mgr->dpb[i]);
146         mpp_frame_init(&mgr->dpb[i]->frame);
147         avs2d_dbg_dpb("DPB[%d], frame %p", i, mgr->dpb[i]->frame);
148         MEM_CHECK(ret, mgr->dpb[i]->frame);
149     }
150 
151     dpb_init_management(mgr);
152     mgr->initial_flag = 1;
153 __FAILED:
154     AVS2D_PARSE_TRACE("Out.");
155     return ret;
156 }
157 
avs2d_dpb_destroy(Avs2dCtx_t * p_dec)158 MPP_RET avs2d_dpb_destroy(Avs2dCtx_t *p_dec)
159 {
160     MPP_RET ret = MPP_OK;
161     RK_U32 i;
162     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
163 
164     AVS2D_PARSE_TRACE("In.");
165     for (i = 0; i < mgr->dpb_size; i++) {
166         mpp_frame_deinit(&mgr->dpb[i]->frame);
167         MPP_FREE(mgr->dpb[i]);
168     }
169 
170     MPP_FREE(mgr->dpb);
171     mgr->initial_flag = 0;
172 
173     AVS2D_PARSE_TRACE("Out.");
174     return ret;
175 }
176 
recompute_cycle_order_index(Avs2dFrameMgr_t * mgr,Avs2dPicHeader_t * ph)177 static void recompute_cycle_order_index(Avs2dFrameMgr_t *mgr, Avs2dPicHeader_t *ph)
178 {
179     RK_U32 i;
180     RK_S32 wrap_oi;
181     Avs2dFrame_t *p;
182 
183     if (ph->doi < (INT_MAX - 2 * AVS2_DOI_CYCLE)) {
184         return;
185     }
186 
187     wrap_oi = (mgr->tr_wrap_cnt - 1) * AVS2_DOI_CYCLE;
188     for (i = 0; i < mgr->dpb_size; i++) {
189         p = mgr->dpb[i];
190         if (p->slot_idx == NO_VAL) {
191             continue;
192         }
193         p->doi -= wrap_oi;
194         p->poi -= wrap_oi;
195     }
196 
197     ph->doi -= wrap_oi;
198     if (mgr->output_poi != NO_VAL) {
199         mgr->output_poi -= wrap_oi;
200     }
201 }
202 
compute_frame_order_index(Avs2dCtx_t * p_dec)203 static void compute_frame_order_index(Avs2dCtx_t *p_dec)
204 {
205     Avs2dSeqHeader_t *vsh = &p_dec->vsh;
206     Avs2dPicHeader_t *ph  = &p_dec->ph;
207     Avs2dFrameMgr_t *mgr  = &p_dec->frm_mgr;
208     RK_U32 i = 0;
209     Avs2dFrame_t *p;
210 
211     //!< DOI should be a periodically-repeated value from 0 to 255
212     if (mgr->output_poi != -1 &&
213         ph->doi != (mgr->prev_doi + 1) % AVS2_DOI_CYCLE) {
214         AVS2D_DBG(AVS2D_DBG_WARNNING, "discontinuous DOI (prev: %d --> curr: %d).", mgr->prev_doi, ph->doi);
215         for (i = 0; i < mgr->dpb_size; i++) {
216             p = mgr->dpb[i];
217             if (p->slot_idx == NO_VAL) {
218                 continue;
219             }
220 
221             if (MPP_ABS(ph->doi - (p->doi % AVS2_DOI_CYCLE)) > 1) {
222                 p->refered_by_others = 0;
223                 p->refered_by_scene = 0;
224             }
225         }
226     }
227 
228     //!< update DOI
229     if (ph->doi < mgr->prev_doi) {
230         mgr->tr_wrap_cnt++;
231     }
232 
233     mgr->prev_doi = ph->doi;
234     ph->doi += mgr->tr_wrap_cnt * AVS2_DOI_CYCLE;
235     recompute_cycle_order_index(mgr, ph);
236 
237     avs2d_dbg_dpb("low_delay %d, reorder_delay %d\n", vsh->low_delay, vsh->picture_reorder_delay);
238     if (vsh->low_delay == 0) {
239         ph->poi = ph->doi + ph->picture_output_delay - vsh->picture_reorder_delay;
240     } else {
241         ph->poi = ph->doi;
242     }
243 
244     mpp_assert(ph->doi >= 0 && ph->poi >= 0);
245 
246     if (mgr->output_poi == NO_VAL && ph->picture_type == I_PICTURE) {
247         mgr->output_poi = ph->poi;
248     }
249 
250     avs2d_dbg_dpb("picuture DOI %d, POI %d, out_delay %d, output_poi %d\n", ph->doi, ph->poi, ph->picture_output_delay, mgr->output_poi);
251 }
252 
is_outputable_frame(Avs2dFrame_t * p)253 static RK_S32 is_outputable_frame(Avs2dFrame_t *p)
254 {
255     // if (p && p->slot_idx != NO_VAL && !p->invisible && !p->is_output && p->is_decoded) {
256     if (p && p->slot_idx != NO_VAL && !p->invisible && !p->is_output) {
257         return 1;
258     }
259 
260     return 0;
261 }
262 
get_outputable_smallest_poi(Avs2dFrameMgr_t * mgr,RK_S32 * poi,RK_S32 * pos)263 static RK_S32 get_outputable_smallest_poi(Avs2dFrameMgr_t *mgr, RK_S32 *poi, RK_S32 *pos)
264 {
265     RK_U32 i = 0;
266     RK_S32 find_flag = 0;
267     RK_S32 min_pos = -1;
268     RK_S32 min_poi = INT_MAX;
269     Avs2dFrame_t *p;
270 
271     *pos = -1;
272     *poi = INT_MAX;
273     for (i = 0; i < mgr->dpb_size; i++) {
274         p = mgr->dpb[i];
275         if (!is_outputable_frame(p)) {
276             continue;
277         }
278         if (min_poi > p->poi) {
279             min_poi = p->poi;
280             min_pos = i;
281         }
282         if (*poi > p->poi && !p->is_output) {
283             *poi = p->poi;
284             *pos = i;
285             find_flag = 1;
286         }
287     }
288     if (!find_flag) {
289         *poi = min_poi;
290         *pos = min_pos;
291     }
292 
293     return find_flag;
294 }
295 
296 /**
297  * @brief Ouput frame to display queue
298  * Mark frame at DPB as output, but still remain at DPB
299  *
300  * @param p_dec
301  * @param p
302  * @return MPP_RET
303  */
output_display_frame(Avs2dCtx_t * p_dec,Avs2dFrame_t * p)304 static MPP_RET output_display_frame(Avs2dCtx_t *p_dec, Avs2dFrame_t *p)
305 {
306     MPP_RET ret = MPP_NOK;
307 
308     avs2d_dbg_dpb("In.");
309     mpp_assert(p);
310     // if (p->slot_idx >= 0 && !p->invisible && !p->is_output && p->is_decoded) {
311     if (p->slot_idx >= 0 && !p->invisible && !p->is_output) {
312         ret = MPP_OK;
313         p->is_output = 1;
314         p_dec->frm_mgr.output_poi = p->poi;
315         mpp_buf_slot_set_flag(p_dec->frame_slots, p->slot_idx, SLOT_QUEUE_USE);
316         mpp_buf_slot_enqueue(p_dec->frame_slots, p->slot_idx, QUEUE_DISPLAY);
317         avs2d_dbg_dpb("output display frame poi %d slot_idx %d, pts %lld", p->poi, p->slot_idx,
318                       mpp_frame_get_pts(p->frame));
319     }
320 
321     avs2d_dbg_dpb("Out. ret = %d", ret);
322     return ret;
323 }
324 
325 /**
326  * @brief Remove frame from DPB
327  *
328  * @param p_dec
329  * @param p
330  * @return MPP_RET
331  */
dpb_remove_frame(Avs2dCtx_t * p_dec,Avs2dFrame_t * p)332 static MPP_RET dpb_remove_frame(Avs2dCtx_t *p_dec, Avs2dFrame_t *p)
333 {
334     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
335     MppFrame frame = p->frame;
336 
337     avs2d_dbg_dpb("In.");
338 
339     if (p->picture_type == GB_PICTURE || p->invisible) {
340         MppBuffer buffer = NULL;
341         mpp_buf_slot_get_prop(p_dec->frame_slots, p->slot_idx, SLOT_BUFFER, &buffer);
342         mpp_buffer_put(buffer);
343     }
344 
345     mpp_buf_slot_clr_flag(p_dec->frame_slots, p->slot_idx, SLOT_CODEC_USE);
346     avs2d_dbg_dpb("dpb remove frame slot_idx %d, doi %d poi %d, dpb used %d",
347                   p->slot_idx, p->doi, p->poi, mgr->used_size);
348 
349     memset(p, 0, sizeof(Avs2dFrame_t));
350     p->frame = frame;
351     p->slot_idx = NO_VAL;
352     p->doi = NO_VAL;
353     p->poi = NO_VAL;
354     mgr->used_size--;
355 
356     avs2d_dbg_dpb("Out.");
357     return MPP_OK;
358 }
359 
is_refered(Avs2dFrame_t * p)360 static RK_S32 is_refered(Avs2dFrame_t *p)
361 {
362     mpp_assert(p);
363     if (p->refered_by_others || p->refered_by_scene) {
364         return 1;
365     }
366 
367     return 0;
368 }
369 
unmark_refered(Avs2dFrame_t * p)370 static void unmark_refered(Avs2dFrame_t *p)
371 {
372     mpp_assert(p);
373     p->refered_by_scene = 0;
374     p->refered_by_others = 0;
375 }
376 
unmark_other_refered(Avs2dFrame_t * p)377 static void unmark_other_refered(Avs2dFrame_t *p)
378 {
379     p->refered_by_others = 0;
380 }
381 
dpb_remove_scene_frame(Avs2dCtx_t * p_dec)382 static MPP_RET dpb_remove_scene_frame(Avs2dCtx_t *p_dec)
383 {
384     MPP_RET ret = MPP_OK;
385     Avs2dFrame_t *p = NULL;
386     Avs2dPicHeader_t *ph = &p_dec->ph;
387     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
388 
389     avs2d_dbg_dpb("In.");
390     if (ph->picture_type == G_PICTURE || ph->picture_type == GB_PICTURE) {
391         if (mgr->scene_ref) {
392             p = mgr->scene_ref;
393             p->refered_by_scene = 0;
394             //!< remove GB frame directly
395             if (p->picture_type == GB_PICTURE) {
396                 FUN_CHECK(ret = dpb_remove_frame(p_dec, p));
397             }
398             mgr->scene_ref = NULL;
399         }
400     }
401 
402 __FAILED:
403     avs2d_dbg_dpb("Out.");
404     return ret;
405 }
406 
dpb_remove_unused_frame(Avs2dCtx_t * p_dec)407 MPP_RET dpb_remove_unused_frame(Avs2dCtx_t *p_dec)
408 {
409     RK_U32 i = 0;
410     MPP_RET ret = MPP_OK;
411     Avs2dFrame_t *p = NULL;
412     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
413 
414     AVS2D_PARSE_TRACE("In.");
415     for (i = 0; i < mgr->dpb_size; i++) {
416         p = mgr->dpb[i];
417         if (p->slot_idx == NO_VAL) {
418             continue;
419         }
420 
421         if ((MPP_ABS(p->poi - p_dec->ph.poi) >= AVS2_MAX_POC_DISTANCE)) {
422             p->refered_by_others = 0;
423             p->refered_by_scene = 0;
424         }
425 
426         if ((p->is_output || p->invisible) && !is_refered(p)) {
427             FUN_CHECK(ret = dpb_remove_frame(p_dec, p));
428         }
429     }
430 
431 __FAILED:
432     AVS2D_PARSE_TRACE("Out.");
433     return ret;
434 }
435 
dpb_get_one_frame(Avs2dFrameMgr_t * mgr,Avs2dSeqHeader_t * vsh,Avs2dPicHeader_t * ph)436 static Avs2dFrame_t *dpb_get_one_frame(Avs2dFrameMgr_t *mgr, Avs2dSeqHeader_t *vsh, Avs2dPicHeader_t *ph)
437 {
438     RK_U32 i;
439     Avs2dFrame_t *p = NULL;
440 
441     //!< get paired field frame
442     if (vsh->field_coded_sequence) {
443         for (i = 0; i < mgr->dpb_size; i++) {
444             p = mgr->dpb[i];
445             if (p->slot_idx == NO_VAL) {
446                 continue;
447             }
448 
449             if (p->poi == ph->poi) {
450                 return p;
451             }
452         }
453     }
454 
455     //!< get unused frame
456     for (i = 0; i < mgr->dpb_size; i++) {
457         p = mgr->dpb[i];
458         if (p->slot_idx == NO_VAL) {
459             break;
460         }
461     }
462 
463     return p;
464 }
465 
dpb_alloc_frame(Avs2dCtx_t * p_dec,HalDecTask * task)466 static Avs2dFrame_t *dpb_alloc_frame(Avs2dCtx_t *p_dec, HalDecTask *task)
467 {
468     MPP_RET ret = MPP_OK;
469     MppFrame mframe = NULL;
470     Avs2dFrame_t *frm = NULL;
471     Avs2dSeqHeader_t *vsh = &p_dec->vsh;
472     Avs2dPicHeader_t *ph  = &p_dec->ph;
473     Avs2dSeqExtHeader_t *exh  = &p_dec->exh;
474     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
475     RK_U32 ctu_size = 1 << (p_dec->vsh.lcu_size);
476     RK_U32 bitdepth = p_dec->vsh.bit_depth;
477     RK_U32 ver_stride = vsh->vertical_size;
478 
479     avs2d_dbg_dpb("In.");
480     frm = dpb_get_one_frame(mgr, vsh, ph);
481     if (!frm) {
482         mpp_err("Failed to get dpb buffer.\n");
483         return NULL;
484     }
485 
486     mframe = frm->frame;
487     frm->doi = ph->doi;
488     frm->poi = ph->poi;
489     frm->out_delay = ph->picture_output_delay;
490     frm->picture_type = ph->picture_type;
491     frm->invisible = (frm->picture_type == GB_PICTURE);
492     frm->scene_frame_flag = (frm->picture_type == G_PICTURE || frm->picture_type == GB_PICTURE);
493     frm->intra_frame_flag = (frm->scene_frame_flag || frm->picture_type == I_PICTURE);
494     frm->refered_by_scene = frm->scene_frame_flag;
495     frm->refered_by_others = (frm->picture_type != GB_PICTURE && mgr->cur_rps.refered_by_others);
496     avs2d_dbg_dpb("frame picture type %d, ref by others %d\n", frm->picture_type, frm->refered_by_others);
497     if (vsh->chroma_format == CHROMA_420 && vsh->bit_depth == 8) {
498         mpp_frame_set_fmt(mframe, MPP_FMT_YUV420SP);
499     } else if (vsh->chroma_format == CHROMA_420 && vsh->bit_depth == 10) {
500         mpp_frame_set_fmt(mframe, MPP_FMT_YUV420SP_10BIT);
501     }
502 
503     if (MPP_FRAME_FMT_IS_FBC(p_dec->init.cfg->base.out_fmt)) {
504         // fbc header alignment
505         RK_U32 fbc_hdr_stride = MPP_ALIGN(vsh->horizontal_size, 64);
506 
507         mpp_frame_set_fmt(mframe, mpp_frame_get_fmt(mframe) | (p_dec->init.cfg->base.out_fmt & (MPP_FRAME_FBC_MASK)));
508 
509         if (*compat_ext_fbc_hdr_256_odd)
510             fbc_hdr_stride = MPP_ALIGN(vsh->horizontal_size, 256) | 256;
511 
512         mpp_frame_set_fbc_hdr_stride(mframe, fbc_hdr_stride);
513         // fbc output frame update
514         mpp_frame_set_offset_y(mframe, 8);
515         ver_stride += 16;
516     }
517 
518     if (p_dec->is_hdr)
519         mpp_frame_set_fmt(mframe, mpp_frame_get_fmt(mframe) | MPP_FRAME_HDR);
520 
521     if (p_dec->init.cfg->base.enable_thumbnail && p_dec->init.hw_info->cap_down_scale)
522         mpp_frame_set_thumbnail_en(mframe, 1);
523     else
524         mpp_frame_set_thumbnail_en(mframe, 0);
525 
526     mpp_frame_set_width(mframe, vsh->horizontal_size);
527     mpp_frame_set_height(mframe, vsh->vertical_size);
528     mpp_frame_set_hor_stride(mframe, (MPP_ALIGN(vsh->horizontal_size, ctu_size) * bitdepth + 7) / 8);
529     mpp_frame_set_ver_stride(mframe, MPP_ALIGN(ver_stride, ctu_size));
530     mpp_frame_set_pts(mframe, mpp_packet_get_pts(task->input_packet));
531     mpp_frame_set_dts(mframe, mpp_packet_get_dts(task->input_packet));
532     mpp_frame_set_errinfo(mframe, 0);
533     mpp_frame_set_discard(mframe, 0);
534     mpp_frame_set_poc(mframe, frm->poi);
535     if (p_dec->got_exh) {
536         mpp_frame_set_color_primaries(mframe, exh->color_primaries);
537         mpp_frame_set_color_trc(mframe, exh->transfer_characteristics);
538     }
539     mpp_frame_set_content_light(mframe, p_dec->content_light);
540     mpp_frame_set_mastering_display(mframe, p_dec->display_meta);
541     if (p_dec->hdr_dynamic_meta && p_dec->hdr_dynamic) {
542         mpp_frame_set_hdr_dynamic_meta(mframe, p_dec->hdr_dynamic_meta);
543         p_dec->hdr_dynamic = 0;
544     }
545     if (vsh->progressive_sequence) {
546         frm->frame_mode = MPP_FRAME_FLAG_FRAME;
547         frm->frame_coding_mode = MPP_FRAME_FLAG_FRAME;
548     } else {
549         frm->frame_mode = MPP_FRAME_FLAG_PAIRED_FIELD;
550         if (vsh->field_coded_sequence) {
551             frm->frame_coding_mode = MPP_FRAME_FLAG_PAIRED_FIELD;
552             if (ph->top_field_first) {
553                 frm->frame_mode |= MPP_FRAME_FLAG_TOP_FIRST;
554                 frm->frame_coding_mode |= MPP_FRAME_FLAG_TOP_FIRST;
555             } else {
556                 frm->frame_mode |= MPP_FRAME_FLAG_BOT_FIRST;
557                 frm->frame_coding_mode |= MPP_FRAME_FLAG_BOT_FIRST;
558             }
559         } else {
560             frm->frame_coding_mode = MPP_FRAME_FLAG_FRAME;
561             if (ph->top_field_first) {
562                 frm->frame_mode |= MPP_FRAME_FLAG_TOP_FIRST;
563             } else {
564                 frm->frame_mode |= MPP_FRAME_FLAG_BOT_FIRST;
565             }
566         }
567     }
568 
569     mpp_frame_set_mode(mframe, frm->frame_mode);
570     ret = mpp_buf_slot_get_unused(p_dec->frame_slots, &frm->slot_idx);
571     mpp_assert(ret == MPP_OK);
572     mgr->used_size++;
573     avs2d_dbg_dpb("get unused buf slot %d, DPB used %d \n", frm->slot_idx, mgr->used_size);
574     avs2d_dbg_dpb("Out.");
575     return frm;
576 }
577 
dpb_output_next_frame(Avs2dCtx_t * p_dec,RK_S32 continuous)578 static MPP_RET dpb_output_next_frame(Avs2dCtx_t *p_dec, RK_S32 continuous)
579 {
580     MPP_RET ret = MPP_NOK;
581     RK_S32 poi, pos;
582     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
583 
584     AVS2D_PARSE_TRACE("In.");
585     if (get_outputable_smallest_poi(mgr, &poi, &pos)) {
586         avs2d_dbg_dpb("smallest poi %d, pos %d, output_poi %d\n",
587                       poi, pos, mgr->output_poi);
588 
589         if ((poi - mgr->output_poi <= 1) ||
590             (mgr->dpb[pos]->doi + mgr->dpb[pos]->out_delay < mgr->cur_frm->doi) ||
591             !continuous) {
592             FUN_CHECK(ret = output_display_frame(p_dec, mgr->dpb[pos]));
593             if (!is_refered(mgr->dpb[pos])) {
594                 FUN_CHECK(ret = dpb_remove_frame(p_dec, mgr->dpb[pos]));
595             }
596         }
597     }
598 
599     AVS2D_PARSE_TRACE("Out.");
600 __FAILED:
601     return ret;
602 }
603 
find_ref_frame(Avs2dFrameMgr_t * mgr,RK_S32 doi)604 static Avs2dFrame_t *find_ref_frame(Avs2dFrameMgr_t *mgr, RK_S32 doi)
605 {
606     RK_U32 i;
607     Avs2dFrame_t *p = NULL;
608 
609     avs2d_dbg_dpb("In.");
610     for (i = 0; i < mgr->dpb_size; i++) {
611         p = mgr->dpb[i];
612 
613         if (p->slot_idx == NO_VAL || p->doi == NO_VAL) {
614             continue;
615         }
616 
617         if (p->doi >= 0 && doi == p->doi) {
618             if (!is_refered(p)) {
619                 // DOI matched but not a referenced frame
620                 p->error_flag = 1;
621                 AVS2D_DBG(AVS2D_DBG_WARNNING, "invalid reference frame [doi: %d].\n", doi);
622             }
623             avs2d_dbg_dpb("found ref[%d] at slot_idx %d, doi %d", i, p->slot_idx, p->doi);
624             return p;
625         }
626     }
627 
628     AVS2D_DBG(AVS2D_DBG_ERROR, "reference frame [doi: %d] missed.\n", doi);
629     avs2d_dbg_dpb("Out.");
630     return NULL;
631 }
632 
dpb_update_refs(Avs2dCtx_t * p_dec)633 MPP_RET dpb_update_refs(Avs2dCtx_t *p_dec)
634 {
635     MPP_RET ret = MPP_OK;
636     RK_U32 i;
637     RK_S32 doi_of_remove;
638     Avs2dFrame_t *p;
639     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
640     Avs2dRps_t *p_rps = &mgr->cur_rps;
641     avs2d_dbg_dpb("In.");
642 
643     if (!mgr->cur_frm) {
644         ret = MPP_NOK;
645         AVS2D_DBG(AVS2D_DBG_WARNNING, "No current frame to update dpb.\n");
646         goto __FAILED;
647     }
648 
649     //!< update scene reference frame
650     if (mgr->cur_frm->refered_by_scene) {
651         mgr->scene_ref = mgr->cur_frm;
652     }
653 
654     //!< update reference frame flag
655     for (i = 0; i < p_rps->num_to_remove; i++) {
656         doi_of_remove = mgr->cur_frm->doi - p_rps->remove_pic[i];
657         avs2d_dbg_dpb("current doi %d, remove_pic[%d]=%d", mgr->cur_frm->doi, i, p_rps->remove_pic[i]);
658         p = find_ref_frame(mgr, doi_of_remove);
659         if (p) {
660             unmark_other_refered(p);
661             avs2d_dbg_dpb("unmark picture refered, slot_idx %d, doi %d poi %d",
662                           p->slot_idx, p->doi, p->poi);
663         }
664     }
665 
666 __FAILED:
667     avs2d_dbg_dpb("Out. ret %d", ret);
668     return ret;
669 }
670 
dpb_set_frame_refs(Avs2dCtx_t * p_dec,Avs2dFrameMgr_t * mgr,HalDecTask * task)671 static MPP_RET dpb_set_frame_refs(Avs2dCtx_t *p_dec, Avs2dFrameMgr_t *mgr, HalDecTask *task)
672 {
673     MPP_RET ret = MPP_OK;
674     RK_U32 i = 0;
675     RK_U8 error_flag = 0;
676     RK_U8 num_of_ref;
677     RK_S32 doi_of_ref;
678     Avs2dRps_t *p_rps;
679     Avs2dFrame_t *p_cur, *p;
680     RK_U8 replace_ref_flag = 0;
681 
682     (void) task;
683 
684     avs2d_dbg_dpb("In.");
685     memset(mgr->refs, 0, sizeof(mgr->refs));
686 
687     p_cur = mgr->cur_frm;
688     mgr->num_of_ref = 0;
689     p_rps = &mgr->cur_rps;
690     num_of_ref = p_rps->num_of_ref;
691     task->flags.ref_miss = 0;
692     for (i = 0; i < num_of_ref; i++) {
693         doi_of_ref = p_cur->doi - p_rps->ref_pic[i];
694         p = find_ref_frame(mgr, doi_of_ref);
695         if (!p) {
696             task->flags.ref_miss |= 1 << i;
697             avs2d_dbg_dpb("Missing ref doi %d", doi_of_ref);
698         } else {
699             mgr->refs[mgr->num_of_ref] = p;
700             mpp_buf_slot_set_flag(p_dec->frame_slots, p->slot_idx, SLOT_CODEC_USE);
701             mpp_buf_slot_set_flag(p_dec->frame_slots, p->slot_idx, SLOT_HAL_INPUT);
702         }
703 
704         mgr->num_of_ref++;
705     }
706 
707     if (mgr->num_of_ref < 1 && !p_cur->intra_frame_flag) {
708         error_flag = 1;
709     } else if (p_cur->picture_type == S_PICTURE) {
710         p_cur->refered_bg_frame = 1;
711         if (!mgr->scene_ref) {
712             error_flag = 1;
713         } else if (mgr->scene_ref != mgr->refs[0] || mgr->num_of_ref > 1) {
714             AVS2D_DBG(AVS2D_DBG_ERROR, "Error reference frame(doi %ld ~ %ld) for S.\n",
715                       mgr->scene_ref->doi, mgr->refs[0] ? mgr->refs[0]->doi : -1);
716             replace_ref_flag = 1;
717             p_dec->syntax.refp.scene_ref_replace_pos = 0;
718         }
719     } else if ((p_cur->picture_type == P_PICTURE || p_cur->picture_type == F_PICTURE) &&
720                p_dec->ph.background_reference_flag) {
721         p_cur->refered_bg_frame = 1;
722         if (!mgr->scene_ref) {
723             error_flag = 1;
724         } else {
725             replace_ref_flag = 1;
726             p_dec->syntax.refp.scene_ref_replace_pos = mgr->num_of_ref - 1;
727         }
728     } else if (p_cur->picture_type == B_PICTURE &&
729                (mgr->num_of_ref != 2 || (mgr->refs[0] && mgr->refs[0]->poi <= p_cur->poi) ||
730                 (mgr->refs[1] && mgr->refs[1]->poi >= p_cur->poi))) {
731         error_flag = 1;
732     }
733 
734     if (replace_ref_flag && mgr->scene_ref) {
735         p_dec->syntax.refp.scene_ref_enable = 1;
736         p_dec->syntax.refp.scene_ref_slot_idx = mgr->scene_ref->slot_idx;
737     } else {
738         p_dec->syntax.refp.scene_ref_enable = 0;
739     }
740 
741     if (error_flag) {
742         ret = MPP_NOK;
743         mpp_frame_set_errinfo(p_cur->frame, MPP_FRAME_ERR_UNKNOW);
744         AVS2D_DBG(AVS2D_DBG_ERROR, "Error reference frame for picture(%d).\n", p_cur->picture_type);
745         goto __FAILED;
746     }
747 
748 __FAILED:
749     avs2d_dbg_dpb("Out. ret %d", ret);
750     return ret;
751 }
752 
avs2d_dpb_insert(Avs2dCtx_t * p_dec,HalDecTask * task)753 MPP_RET avs2d_dpb_insert(Avs2dCtx_t *p_dec, HalDecTask *task)
754 {
755     MPP_RET ret = MPP_OK;
756     RK_U32 i;
757     Avs2dFrame_t *p;
758     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
759 
760     AVS2D_PARSE_TRACE("In.");
761 
762     compute_frame_order_index(p_dec);
763 
764     //!< output frame from dpb
765     dpb_output_next_frame(p_dec, 1);
766 
767     //!< remove scene(G/GB) frame(scene dbp has only one G/GB)
768     dpb_remove_scene_frame(p_dec);
769 
770     //!< remove unused dpb frame
771     dpb_remove_unused_frame(p_dec);
772 
773     //!< set task with new frame
774     p = dpb_alloc_frame(p_dec, task);
775     p_dec->frame_no++;
776     avs2d_dbg_dpb("get unused frame from dpb %d", p->slot_idx);
777     if (!p) {
778         ret = MPP_ERR_NOMEM;
779         mpp_err("Failed to alloc dpb frame.\n");
780         goto __FAILED;
781     }
782 
783     mgr->cur_frm = p;
784     mpp_buf_slot_set_prop(p_dec->frame_slots, p->slot_idx, SLOT_FRAME, p->frame);
785     mpp_buf_slot_set_flag(p_dec->frame_slots, p->slot_idx, SLOT_CODEC_USE);
786     mpp_buf_slot_set_flag(p_dec->frame_slots, p->slot_idx, SLOT_HAL_OUTPUT);
787 
788     //!< set task output
789     task->output = mgr->cur_frm->slot_idx;
790     avs2d_dbg_dpb("curframe slot_idx %d\n", mgr->cur_frm->slot_idx);
791 
792     //!< set task refers
793     ret = dpb_set_frame_refs(p_dec, mgr, task);
794     if (ret)
795         task->flags.ref_err = 0;
796 
797     for (i = 0; i < mgr->num_of_ref; i++) {
798         task->refer[i] = mgr->refs[i] ? mgr->refs[i]->slot_idx : -1;
799         if (mgr->refs[i]) {
800             task->refer[i] = mgr->refs[i]->slot_idx;
801             avs2d_dbg_dpb("task refer[%d] slot_idx %d doi %d poi %d", i, task->refer[i], mgr->refs[i]->doi, mgr->refs[i]->poi);
802         } else {
803             task->refer[i] = -1;
804             avs2d_dbg_dpb("task refer[%d] missing ref\n", i);
805         }
806     }
807 
808     //!< update dpb by rps
809     dpb_update_refs(p_dec);
810 
811     avs2d_dbg_dpb("--------DPB INFO--------");
812     avs2d_dbg_dpb("dpb_idx slt_idx doi poi type out refered\n");
813     Avs2dFrame_t *tmp;
814     for (i = 0; i < mgr->dpb_size; i++) {
815         tmp = mgr->dpb[i];
816         avs2d_dbg_dpb("%02d      %02d      %02d  %02d  %c    %d   %d",
817                       i, tmp->slot_idx, tmp->doi, tmp->poi, PICTURE_TYPE_TO_CHAR(tmp->picture_type),
818                       tmp->is_output, tmp->refered_by_others | tmp->refered_by_scene);
819     }
820     avs2d_dbg_dpb("------------------------");
821 
822 __FAILED:
823     AVS2D_PARSE_TRACE("Out.");
824     return ret;
825 }
826 
avs2d_dpb_flush(Avs2dCtx_t * p_dec)827 MPP_RET avs2d_dpb_flush(Avs2dCtx_t *p_dec)
828 {
829     MPP_RET ret = MPP_OK;
830     RK_U32 i;
831     Avs2dFrame_t *p;
832     Avs2dFrameMgr_t *mgr = &p_dec->frm_mgr;
833 
834     AVS2D_PARSE_TRACE("In.");
835     //!< unmark all frames refered flag
836     for (i = 0; i < mgr->dpb_size; i++) {
837         p = mgr->dpb[i];
838         if (p->slot_idx != NO_VAL) {
839             unmark_refered(p);
840         }
841     }
842 
843     //!< remove all unused frame
844     dpb_remove_unused_frame(p_dec);
845 
846     //!< output frames in POI order
847     while (mgr->used_size) {
848         if ((ret = dpb_output_next_frame(p_dec, 0)) != MPP_OK) {
849             break;
850         }
851     }
852 
853     //!< reset dpb management
854     dpb_init_management(mgr);
855 
856     AVS2D_PARSE_TRACE("In.");
857     return ret;
858 }
859