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path: root/drivers/amvdec_ports/decoder/vdec_h264_if.c (plain)
blob: 7bf4d5e8dec272eeb2efda6609baa815722f9c58
1/*
2* Copyright (C) 2017 Amlogic, Inc. All rights reserved.
3*
4* This program is free software; you can redistribute it and/or modify
5* it under the terms of the GNU General Public License as published by
6* the Free Software Foundation; either version 2 of the License, or
7* (at your option) any later version.
8*
9* This program is distributed in the hope that it will be useful, but WITHOUT
10* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12* more details.
13*
14* You should have received a copy of the GNU General Public License along
15* with this program; if not, write to the Free Software Foundation, Inc.,
16* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17*
18* Description:
19*/
20#include <linux/module.h>
21#include <linux/slab.h>
22#include <linux/timer.h>
23#include <linux/delay.h>
24#include <linux/kernel.h>
25#include <uapi/linux/swab.h>
26
27#include "../vdec_drv_if.h"
28#include "../aml_vcodec_util.h"
29#include "../aml_vcodec_dec.h"
30#include "../aml_vcodec_drv.h"
31#include "../aml_vcodec_adapt.h"
32#include "../vdec_drv_base.h"
33#include "../aml_vcodec_vfm.h"
34#include "aml_h264_parser.h"
35#include "../utils/common.h"
36
37/* h264 NALU type */
38#define NAL_NON_IDR_SLICE 0x01
39#define NAL_IDR_SLICE 0x05
40#define NAL_H264_SEI 0x06
41#define NAL_H264_SPS 0x07
42#define NAL_H264_PPS 0x08
43#define NAL_H264_AUD 0x09
44
45#define AVC_NAL_TYPE(value) ((value) & 0x1F)
46
47#define BUF_PREDICTION_SZ (64 * 1024)//(32 * 1024)
48
49#define MB_UNIT_LEN 16
50
51/* motion vector size (bytes) for every macro block */
52#define HW_MB_STORE_SZ 64
53
54#define H264_MAX_FB_NUM 17
55#define HDR_PARSING_BUF_SZ 1024
56
57#define HEADER_BUFFER_SIZE (128 * 1024)
58
59/**
60 * struct h264_fb - h264 decode frame buffer information
61 * @vdec_fb_va : virtual address of struct vdec_fb
62 * @y_fb_dma : dma address of Y frame buffer (luma)
63 * @c_fb_dma : dma address of C frame buffer (chroma)
64 * @poc : picture order count of frame buffer
65 * @reserved : for 8 bytes alignment
66 */
67struct h264_fb {
68 uint64_t vdec_fb_va;
69 uint64_t y_fb_dma;
70 uint64_t c_fb_dma;
71 int32_t poc;
72 uint32_t reserved;
73};
74
75/**
76 * struct h264_ring_fb_list - ring frame buffer list
77 * @fb_list : frame buffer arrary
78 * @read_idx : read index
79 * @write_idx : write index
80 * @count : buffer count in list
81 */
82struct h264_ring_fb_list {
83 struct h264_fb fb_list[H264_MAX_FB_NUM];
84 unsigned int read_idx;
85 unsigned int write_idx;
86 unsigned int count;
87 unsigned int reserved;
88};
89
90/**
91 * struct vdec_h264_dec_info - decode information
92 * @dpb_sz : decoding picture buffer size
93 * @realloc_mv_buf : flag to notify driver to re-allocate mv buffer
94 * @reserved : for 8 bytes alignment
95 * @bs_dma : Input bit-stream buffer dma address
96 * @y_fb_dma : Y frame buffer dma address
97 * @c_fb_dma : C frame buffer dma address
98 * @vdec_fb_va : VDEC frame buffer struct virtual address
99 */
100struct vdec_h264_dec_info {
101 uint32_t dpb_sz;
102 uint32_t realloc_mv_buf;
103 uint32_t reserved;
104 uint64_t bs_dma;
105 uint64_t y_fb_dma;
106 uint64_t c_fb_dma;
107 uint64_t vdec_fb_va;
108};
109
110/**
111 * struct vdec_h264_vsi - shared memory for decode information exchange
112 * between VPU and Host.
113 * The memory is allocated by VPU then mapping to Host
114 * in vpu_dec_init() and freed in vpu_dec_deinit()
115 * by VPU.
116 * AP-W/R : AP is writer/reader on this item
117 * VPU-W/R: VPU is write/reader on this item
118 * @dec : decode information (AP-R, VPU-W)
119 * @pic : picture information (AP-R, VPU-W)
120 * @crop : crop information (AP-R, VPU-W)
121 */
122struct vdec_h264_vsi {
123 unsigned char hdr_buf[HDR_PARSING_BUF_SZ];
124 char *header_buf;
125 int sps_size;
126 int pps_size;
127 int sei_size;
128 int head_offset;
129 struct vdec_h264_dec_info dec;
130 struct vdec_pic_info pic;
131 struct vdec_pic_info cur_pic;
132 struct v4l2_rect crop;
133 bool is_combine;
134 int nalu_pos;
135};
136
137/**
138 * struct vdec_h264_inst - h264 decoder instance
139 * @num_nalu : how many nalus be decoded
140 * @ctx : point to aml_vcodec_ctx
141 * @pred_buf : HW working predication buffer
142 * @mv_buf : HW working motion vector buffer
143 * @vpu : VPU instance
144 * @vsi : VPU shared information
145 */
146struct vdec_h264_inst {
147 unsigned int num_nalu;
148 struct aml_vcodec_ctx *ctx;
149 struct aml_vcodec_mem pred_buf;
150 struct aml_vcodec_mem mv_buf[H264_MAX_FB_NUM];
151 struct aml_vdec_adapt vdec;
152 struct vdec_h264_vsi *vsi;
153 struct vcodec_vfm_s vfm;
154 struct aml_dec_params parms;
155 struct completion comp;
156};
157
158#if 0
159#define DUMP_FILE_NAME "/data/dump/dump.tmp"
160static struct file *filp;
161static loff_t file_pos;
162
163void dump_write(const char __user *buf, size_t count)
164{
165 mm_segment_t old_fs;
166
167 if (!filp)
168 return;
169
170 old_fs = get_fs();
171 set_fs(KERNEL_DS);
172
173 if (count != vfs_write(filp, buf, count, &file_pos))
174 pr_err("Failed to write file\n");
175
176 set_fs(old_fs);
177}
178
179void dump_init(void)
180{
181 filp = filp_open(DUMP_FILE_NAME, O_CREAT | O_RDWR, 0644);
182 if (IS_ERR(filp)) {
183 pr_err("open dump file failed\n");
184 filp = NULL;
185 }
186}
187
188void dump_deinit(void)
189{
190 if (filp) {
191 filp_close(filp, current->files);
192 filp = NULL;
193 file_pos = 0;
194 }
195}
196
197void swap_uv(void *uv, int size)
198{
199 int i;
200 __u16 *p = uv;
201
202 size /= 2;
203
204 for (i = 0; i < size; i++, p++)
205 *p = __swab16(*p);
206}
207#endif
208
209static void get_pic_info(struct vdec_h264_inst *inst,
210 struct vdec_pic_info *pic)
211{
212 *pic = inst->vsi->pic;
213
214 aml_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
215 pic->visible_width, pic->visible_height,
216 pic->coded_width, pic->coded_height);
217 aml_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
218 pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
219}
220
221static void get_crop_info(struct vdec_h264_inst *inst, struct v4l2_rect *cr)
222{
223 cr->left = inst->vsi->crop.left;
224 cr->top = inst->vsi->crop.top;
225 cr->width = inst->vsi->crop.width;
226 cr->height = inst->vsi->crop.height;
227
228 aml_vcodec_debug(inst, "l=%d, t=%d, w=%d, h=%d",
229 cr->left, cr->top, cr->width, cr->height);
230}
231
232static void get_dpb_size(struct vdec_h264_inst *inst, unsigned int *dpb_sz)
233{
234 *dpb_sz = inst->vsi->dec.dpb_sz;
235 aml_vcodec_debug(inst, "sz=%d", *dpb_sz);
236}
237
238static void skip_aud_data(u8 **data, u32 *size)
239{
240 int i;
241
242 i = find_start_code(*data, *size);
243 if (i > 0 && (*data)[i++] == 0x9 && (*data)[i++] == 0xf0) {
244 *size -= i;
245 *data += i;
246 }
247}
248
249static u32 vdec_config_default_parms(u8 *parm)
250{
251 u8 *pbuf = parm;
252
253 pbuf += sprintf(pbuf, "parm_v4l_codec_enable:1;");
254 pbuf += sprintf(pbuf, "mh264_double_write_mode:16;");
255 pbuf += sprintf(pbuf, "parm_v4l_buffer_margin:7;");
256
257 return parm - pbuf;
258}
259
260static void vdec_parser_parms(struct vdec_h264_inst *inst)
261{
262 struct aml_vcodec_ctx *ctx = inst->ctx;
263
264 if (!ctx->config.length) {
265 ctx->config.type = V4L2_CONFIG_PARM_DECODE;
266 ctx->config.parm.dec.double_write_mode = 16;
267 inst->parms = ctx->config.parm.dec;
268
269 ctx->config.length =
270 vdec_config_default_parms(ctx->config.buf);
271 } else {
272 u8 *pbuf = ctx->config.buf;
273
274 inst->parms = ctx->config.parm.dec;
275 pbuf += sprintf(pbuf, "parm_v4l_codec_enable:1;");
276 pbuf += sprintf(pbuf, "mh264_double_write_mode:%d;",
277 inst->parms.double_write_mode);
278 pbuf += sprintf(pbuf, "parm_v4l_buffer_margin:%d;",
279 inst->parms.buffer_margin);
280 ctx->config.length = pbuf - ctx->config.buf;
281 }
282
283 inst->vdec.config = ctx->config;
284
285 inst->parms.dec_parms_status |=
286 V4L2_CONFIG_PARM_DECODE_COMMON;
287}
288
289static int vdec_h264_init(struct aml_vcodec_ctx *ctx, unsigned long *h_vdec)
290{
291 struct vdec_h264_inst *inst = NULL;
292 int ret = -1;
293
294 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
295 if (!inst)
296 return -ENOMEM;
297
298 inst->vdec.video_type = VFORMAT_H264;
299 inst->vdec.dev = ctx->dev->vpu_plat_dev;
300 inst->vdec.filp = ctx->dev->filp;
301 inst->vdec.ctx = ctx;
302 inst->ctx = ctx;
303
304 vdec_parser_parms(inst);
305
306 /* set play mode.*/
307 if (ctx->is_drm_mode)
308 inst->vdec.port.flag |= PORT_FLAG_DRM;
309
310 /* init vfm */
311 inst->vfm.ctx = ctx;
312 inst->vfm.ada_ctx = &inst->vdec;
313 vcodec_vfm_init(&inst->vfm);
314
315 ret = video_decoder_init(&inst->vdec);
316 if (ret) {
317 aml_vcodec_err(inst, "vdec_h264 init err=%d", ret);
318 goto error_free_inst;
319 }
320
321 /* probe info from the stream */
322 inst->vsi = kzalloc(sizeof(struct vdec_h264_vsi), GFP_KERNEL);
323 if (!inst->vsi) {
324 ret = -ENOMEM;
325 goto error_free_inst;
326 }
327
328 /* alloc the header buffer to be used cache sps or spp etc.*/
329 inst->vsi->header_buf = kzalloc(HEADER_BUFFER_SIZE, GFP_KERNEL);
330 if (!inst->vsi) {
331 ret = -ENOMEM;
332 goto error_free_vsi;
333 }
334
335 init_completion(&inst->comp);
336
337 aml_vcodec_debug(inst, "H264 Instance >> %p", inst);
338
339 ctx->ada_ctx = &inst->vdec;
340 *h_vdec = (unsigned long)inst;
341
342 //dump_init();
343
344 return 0;
345
346error_free_vsi:
347 kfree(inst->vsi);
348error_free_inst:
349 kfree(inst);
350 *h_vdec = 0;
351
352 return ret;
353}
354
355#if 0
356static int refer_buffer_num(int level_idc, int max_poc_cnt,
357 int mb_width, int mb_height)
358{
359 int size;
360 int pic_size = mb_width * mb_height * 384;
361
362 switch (level_idc) {
363 case 9:
364 size = 152064;
365 break;
366 case 10:
367 size = 152064;
368 break;
369 case 11:
370 size = 345600;
371 break;
372 case 12:
373 size = 912384;
374 break;
375 case 13:
376 size = 912384;
377 break;
378 case 20:
379 size = 912384;
380 break;
381 case 21:
382 size = 1824768;
383 break;
384 case 22:
385 size = 3110400;
386 break;
387 case 30:
388 size = 3110400;
389 break;
390 case 31:
391 size = 6912000;
392 break;
393 case 32:
394 size = 7864320;
395 break;
396 case 40:
397 size = 12582912;
398 break;
399 case 41:
400 size = 12582912;
401 break;
402 case 42:
403 size = 13369344;
404 break;
405 case 50:
406 size = 42393600;
407 break;
408 case 51:
409 case 52:
410 default:
411 size = 70778880;
412 break;
413 }
414
415 size /= pic_size;
416 size = size + 1; /* need more buffers */
417
418 if (size > max_poc_cnt)
419 size = max_poc_cnt;
420
421 return size;
422}
423#endif
424
425static void vdec_config_dw_mode(struct vdec_pic_info *pic, int dw_mode)
426{
427 switch (dw_mode) {
428 case 0x1: /* (w x h) + (w/2 x h) */
429 pic->coded_width += pic->coded_width >> 1;
430 pic->y_len_sz = pic->coded_width * pic->coded_height;
431 pic->c_len_sz = pic->y_len_sz >> 1;
432 break;
433 case 0x2: /* (w x h) + (w/2 x h/2) */
434 pic->coded_width += pic->coded_width >> 1;
435 pic->coded_height += pic->coded_height >> 1;
436 pic->y_len_sz = pic->coded_width * pic->coded_height;
437 pic->c_len_sz = pic->y_len_sz >> 1;
438 break;
439 default: /* nothing to do */
440 break;
441 }
442}
443
444static void fill_vdec_params(struct vdec_h264_inst *inst, struct h264_SPS_t *sps)
445{
446 struct vdec_pic_info *pic = &inst->vsi->pic;
447 struct vdec_h264_dec_info *dec = &inst->vsi->dec;
448 struct v4l2_rect *rect = &inst->vsi->crop;
449 int dw = inst->parms.double_write_mode;
450 int margin = inst->parms.buffer_margin;
451 u32 mb_w, mb_h, width, height;
452
453 mb_w = sps->mb_width;
454 mb_h = sps->mb_height;
455
456 width = mb_w << 4;
457 height = mb_h << 4;
458
459 width -= (sps->crop_left + sps->crop_right);
460 height -= (sps->crop_top + sps->crop_bottom);
461
462 /* fill visible area size that be used for EGL. */
463 pic->visible_width = width;
464 pic->visible_height = height;
465
466 /* calc visible ares. */
467 rect->left = 0;
468 rect->top = 0;
469 rect->width = pic->visible_width;
470 rect->height = pic->visible_height;
471
472 /* config canvas size that be used for decoder. */
473 pic->coded_width = ALIGN(mb_w, 4) << 4;
474 pic->coded_height = ALIGN(mb_h, 4) << 4;
475 pic->y_len_sz = pic->coded_width * pic->coded_height;
476 pic->c_len_sz = pic->y_len_sz >> 1;
477
478 /* calc DPB size */
479 dec->dpb_sz = sps->num_reorder_frames + 1 + margin;
480
481 vdec_config_dw_mode(pic, dw);
482
483 inst->parms.dec_parms_status |=
484 V4L2_CONFIG_PARM_DECODE_PICINFO;
485
486 aml_vcodec_debug(inst, "[%d] The stream infos, dw: %d, coded:(%d x %d), visible:(%d x %d), DPB: %d, margin: %d\n",
487 inst->ctx->id,inst->parms.double_write_mode,
488 pic->coded_width, pic->coded_height,
489 pic->visible_width, pic->visible_height,
490 dec->dpb_sz - margin + 1, margin);
491}
492
493static bool check_frame_combine(u8 *buf, u32 size, int *pos)
494{
495 bool combine = false;
496 int i = 0, j = 0, cnt = 0;
497 u8 *p = buf;
498
499 for (i = 4; i < size; i++) {
500 j = find_start_code(p, 7);
501 if (j > 0) {
502 if (++cnt > 1) {
503 combine = true;
504 break;
505 }
506
507 *pos = p - buf + j;
508 p += j;
509 i += j;
510 }
511 p++;
512 }
513
514 //pr_info("nal pos: %d, is_combine: %d\n",*pos, *is_combine);
515 return combine;
516}
517
518static int vdec_search_startcode(u8 *buf, u32 range)
519{
520 int pos = -1;
521 int i = 0, j = 0;
522 u8 *p = buf;
523
524 for (i = 4; i < range; i++) {
525 j = find_start_code(p, 7);
526 if (j > 0) {
527 pos = p - buf + j;
528 break;
529 }
530 p++;
531 }
532
533 return pos;
534}
535
536static int stream_parse_by_ucode(struct vdec_h264_inst *inst, u8 *buf, u32 size)
537{
538 int ret = 0;
539 struct aml_vdec_adapt *vdec = &inst->vdec;
540
541 ret = vdec_vframe_write(vdec, buf, size, 0);
542 if (ret < 0) {
543 pr_err("write frame data failed. err: %d\n", ret);
544 return ret;
545 }
546
547 /* wait ucode parse ending. */
548 wait_for_completion_timeout(&inst->comp,
549 msecs_to_jiffies(1000));
550
551 return inst->vsi->dec.dpb_sz ? 0 : -1;
552}
553
554static int stream_parse(struct vdec_h264_inst *inst, u8 *buf, u32 size)
555{
556 int ret = 0;
557 struct h264_param_sets *ps;
558 int nal_idx = 0;
559 bool is_combine = false;
560
561 is_combine = check_frame_combine(buf, size, &nal_idx);
562 if (nal_idx < 0)
563 return -1;
564
565 /* if the st compose from csd + slice that is the combine data. */
566 inst->vsi->is_combine = is_combine;
567 inst->vsi->nalu_pos = nal_idx;
568
569 ps = kzalloc(sizeof(struct h264_param_sets), GFP_KERNEL);
570 if (ps == NULL)
571 return -ENOMEM;
572
573 ret = h264_decode_extradata_ps(buf, size, ps);
574 if (ret) {
575 pr_err("parse extra data failed. err: %d\n", ret);
576 goto out;
577 }
578
579 if (ps->sps_parsed)
580 fill_vdec_params(inst, &ps->sps);
581
582 ret = ps->sps_parsed ? 0 : -1;
583out:
584 kfree(ps);
585
586 return ret;
587}
588
589static int vdec_h264_probe(unsigned long h_vdec,
590 struct aml_vcodec_mem *bs, void *out)
591{
592 struct vdec_h264_inst *inst =
593 (struct vdec_h264_inst *)h_vdec;
594 struct stream_info *st;
595 u8 *buf = (u8 *)bs->vaddr;
596 u32 size = bs->size;
597 int ret = 0;
598
599 st = (struct stream_info *)buf;
600 if (inst->ctx->is_drm_mode && (st->magic == DRMe || st->magic == DRMn))
601 return 0;
602
603 if (st->magic == NORe || st->magic == NORn) {
604 buf = st->data;
605 size = st->length;
606 }
607
608 skip_aud_data(&buf, &size);
609
610 if (inst->ctx->param_sets_from_ucode)
611 ret = stream_parse_by_ucode(inst, buf, size);
612 else
613 ret = stream_parse(inst, buf, size);
614
615 inst->vsi->cur_pic = inst->vsi->pic;
616
617 return ret;
618}
619
620static void vdec_h264_deinit(unsigned long h_vdec)
621{
622 ulong flags;
623 struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
624 struct aml_vcodec_ctx *ctx = inst->ctx;
625
626 aml_vcodec_debug_enter(inst);
627
628 video_decoder_release(&inst->vdec);
629
630 vcodec_vfm_release(&inst->vfm);
631
632 //dump_deinit();
633
634 spin_lock_irqsave(&ctx->slock, flags);
635 if (inst->vsi && inst->vsi->header_buf)
636 kfree(inst->vsi->header_buf);
637
638 if (inst->vsi)
639 kfree(inst->vsi);
640
641 kfree(inst);
642
643 ctx->drv_handle = 0;
644 spin_unlock_irqrestore(&ctx->slock, flags);
645}
646
647static int vdec_h264_get_fb(struct vdec_h264_inst *inst, struct vdec_v4l2_buffer **out)
648{
649 return get_fb_from_queue(inst->ctx, out);
650}
651
652static void vdec_h264_get_vf(struct vdec_h264_inst *inst, struct vdec_v4l2_buffer **out)
653{
654 struct vframe_s *vf = NULL;
655 struct vdec_v4l2_buffer *fb = NULL;
656
657 vf = peek_video_frame(&inst->vfm);
658 if (!vf) {
659 aml_vcodec_debug(inst, "there is no vframe.");
660 *out = NULL;
661 return;
662 }
663
664 vf = get_video_frame(&inst->vfm);
665 if (!vf) {
666 aml_vcodec_debug(inst, "the vframe is avalid.");
667 *out = NULL;
668 return;
669 }
670
671 atomic_set(&vf->use_cnt, 1);
672
673 fb = (struct vdec_v4l2_buffer *)vf->v4l_mem_handle;
674 fb->vf_handle = (unsigned long)vf;
675 fb->status = FB_ST_DISPLAY;
676
677 *out = fb;
678
679 //pr_info("%s, %d\n", __func__, fb->base_y.bytes_used);
680 //dump_write(fb->base_y.vaddr, fb->base_y.bytes_used);
681 //dump_write(fb->base_c.vaddr, fb->base_c.bytes_used);
682
683 /* convert yuv format. */
684 //swap_uv(fb->base_c.vaddr, fb->base_c.size);
685}
686
687static int vdec_write_nalu(struct vdec_h264_inst *inst,
688 u8 *buf, u32 size, u64 ts)
689{
690 int ret = -1;
691 struct aml_vdec_adapt *vdec = &inst->vdec;
692 bool is_combine = inst->vsi->is_combine;
693 int nalu_pos;
694 u32 nal_type;
695
696 /*print_hex_debug(buf, size, 32);*/
697
698 nalu_pos = vdec_search_startcode(buf, 16);
699 if (nalu_pos < 0)
700 goto err;
701
702 nal_type = AVC_NAL_TYPE(buf[nalu_pos]);
703 //aml_vcodec_debug(inst, "NALU type: %d, size: %u", nal_type, size);
704
705 if (nal_type == NAL_H264_SPS && !is_combine) {
706 if (inst->vsi->head_offset + size > HEADER_BUFFER_SIZE) {
707 ret = -EILSEQ;
708 goto err;
709 }
710 inst->vsi->sps_size = size;
711 memcpy(inst->vsi->header_buf + inst->vsi->head_offset, buf, size);
712 inst->vsi->head_offset += inst->vsi->sps_size;
713 ret = size;
714 } else if (nal_type == NAL_H264_PPS && !is_combine) {
715 //buf_sz -= nal_start_idx;
716 if (inst->vsi->head_offset + size > HEADER_BUFFER_SIZE) {
717 ret = -EILSEQ;
718 goto err;
719 }
720 inst->vsi->pps_size = size;
721 memcpy(inst->vsi->header_buf + inst->vsi->head_offset, buf, size);
722 inst->vsi->head_offset += inst->vsi->pps_size;
723 ret = size;
724 } else if (nal_type == NAL_H264_SEI && !is_combine) {
725 if (inst->vsi->head_offset + size > HEADER_BUFFER_SIZE) {
726 ret = -EILSEQ;
727 goto err;
728 }
729 inst->vsi->sei_size = size;
730 memcpy(inst->vsi->header_buf + inst->vsi->head_offset, buf, size);
731 inst->vsi->head_offset += inst->vsi->sei_size;
732 ret = size;
733 } else if (inst->vsi->head_offset == 0) {
734 ret = vdec_vframe_write(vdec, buf, size, ts);
735 } else {
736 char *write_buf = vmalloc(inst->vsi->head_offset + size);
737 if (!write_buf) {
738 ret = -ENOMEM;
739 goto err;
740 }
741
742 memcpy(write_buf, inst->vsi->header_buf, inst->vsi->head_offset);
743 memcpy(write_buf + inst->vsi->head_offset, buf, size);
744
745 ret = vdec_vframe_write(vdec, write_buf,
746 inst->vsi->head_offset + size, ts);
747
748 memset(inst->vsi->header_buf, 0, HEADER_BUFFER_SIZE);
749 inst->vsi->head_offset = 0;
750 inst->vsi->sps_size = 0;
751 inst->vsi->pps_size = 0;
752 inst->vsi->sei_size = 0;
753
754 vfree(write_buf);
755 }
756
757 return ret;
758err:
759 aml_vcodec_err(inst, "%s err(%d)", __func__, ret);
760 return ret;
761}
762
763static bool monitor_res_change(struct vdec_h264_inst *inst, u8 *buf, u32 size)
764{
765 int ret = 0, i = 0, j = 0;
766 u8 *p = buf;
767 int len = size;
768 u32 type;
769
770 for (i = 4; i < size; i++) {
771 j = find_start_code(p, len);
772 if (j > 0) {
773 len = size - (p - buf);
774 type = AVC_NAL_TYPE(p[j]);
775 if (type != NAL_H264_AUD &&
776 (type > NAL_H264_PPS || type < NAL_H264_SEI))
777 break;
778
779 if (type == NAL_H264_SPS) {
780 ret = stream_parse(inst, p, len);
781 if (!ret && (inst->vsi->cur_pic.coded_width !=
782 inst->vsi->pic.coded_width ||
783 inst->vsi->cur_pic.coded_height !=
784 inst->vsi->pic.coded_height)) {
785 inst->vsi->cur_pic = inst->vsi->pic;
786 return true;
787 }
788 }
789 p += j;
790 }
791 p++;
792 }
793
794 return false;
795}
796
797static int vdec_h264_decode(unsigned long h_vdec, struct aml_vcodec_mem *bs,
798 u64 timestamp, bool *res_chg)
799{
800 struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
801 struct aml_vdec_adapt *vdec = &inst->vdec;
802 struct stream_info *st;
803 u8 *buf;
804 u32 size;
805 int ret = -1;
806
807 /* bs NULL means flush decoder */
808 if (bs == NULL)
809 return -1;
810
811 buf = (u8 *)bs->vaddr;
812 size = bs->size;
813 st = (struct stream_info *)buf;
814
815 if (inst->ctx->is_drm_mode && (st->magic == DRMe || st->magic == DRMn))
816 ret = vdec_vbuf_write(vdec, st->m.buf, sizeof(st->m.drm));
817 else if (st->magic == NORe)
818 ret = vdec_vbuf_write(vdec, st->data, st->length);
819 else if (st->magic == NORn)
820 ret = vdec_write_nalu(inst, st->data, st->length, timestamp);
821 else if (inst->ctx->is_stream_mode)
822 ret = vdec_vbuf_write(vdec, buf, size);
823 else {
824 /*checked whether the resolution changes.*/
825 if ((*res_chg = monitor_res_change(inst, buf, size)))
826 return 0;
827
828 ret = vdec_write_nalu(inst, buf, size, timestamp);
829 }
830
831 return ret;
832}
833
834static void get_param_config_info(struct vdec_h264_inst *inst,
835 struct aml_dec_params *parms)
836{
837 *parms = inst->parms;
838
839 aml_vcodec_debug(inst, "parms status: %u", parms->dec_parms_status);
840}
841
842static int vdec_h264_get_param(unsigned long h_vdec,
843 enum vdec_get_param_type type, void *out)
844{
845 int ret = 0;
846 struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
847
848 if (!inst) {
849 pr_err("the h264 inst of dec is invalid.\n");
850 return -1;
851 }
852
853 switch (type) {
854 case GET_PARAM_DISP_FRAME_BUFFER:
855 vdec_h264_get_vf(inst, out);
856 break;
857
858 case GET_PARAM_FREE_FRAME_BUFFER:
859 ret = vdec_h264_get_fb(inst, out);
860 break;
861
862 case GET_PARAM_PIC_INFO:
863 get_pic_info(inst, out);
864 break;
865
866 case GET_PARAM_DPB_SIZE:
867 get_dpb_size(inst, out);
868 break;
869
870 case GET_PARAM_CROP_INFO:
871 get_crop_info(inst, out);
872 break;
873
874 case GET_PARAM_CONFIG_INFO:
875 get_param_config_info(inst, out);
876 break;
877 default:
878 aml_vcodec_err(inst, "invalid get parameter type=%d", type);
879 ret = -EINVAL;
880 }
881
882 return ret;
883}
884
885static void set_param_write_sync(struct vdec_h264_inst *inst)
886{
887 complete(&inst->comp);
888}
889
890static void set_param_pic_info(struct vdec_h264_inst *inst,
891 struct aml_vdec_pic_infos *info)
892{
893 struct vdec_pic_info *pic = &inst->vsi->pic;
894 struct vdec_h264_dec_info *dec = &inst->vsi->dec;
895 struct v4l2_rect *rect = &inst->vsi->crop;
896
897 /* fill visible area size that be used for EGL. */
898 pic->visible_width = info->visible_width;
899 pic->visible_height = info->visible_height;
900
901 /* calc visible ares. */
902 rect->left = 0;
903 rect->top = 0;
904 rect->width = pic->visible_width;
905 rect->height = pic->visible_height;
906
907 /* config canvas size that be used for decoder. */
908 pic->coded_width = info->coded_width;
909 pic->coded_height = info->coded_height;
910 pic->y_len_sz = pic->coded_width * pic->coded_height;
911 pic->c_len_sz = pic->y_len_sz >> 1;
912
913 dec->dpb_sz = info->dpb_size;
914
915 inst->parms.dec_parms_status |=
916 V4L2_CONFIG_PARM_DECODE_PICINFO;
917
918 /*wake up*/
919 complete(&inst->comp);
920
921 pr_info("Parse from ucode, crop(%d x %d), coded(%d x %d) dpb: %d\n",
922 info->visible_width, info->visible_height,
923 info->coded_width, info->coded_height,
924 info->dpb_size);
925}
926
927static void set_param_hdr_info(struct vdec_h264_inst *inst,
928 struct aml_vdec_hdr_infos *hdr)
929{
930 inst->parms.hdr = *hdr;
931 inst->parms.dec_parms_status |=
932 V4L2_CONFIG_PARM_DECODE_HDRINFO;
933
934 //pr_info("H264 set HDR infos\n");
935}
936
937static int vdec_h264_set_param(unsigned long h_vdec,
938 enum vdec_set_param_type type, void *in)
939{
940 int ret = 0;
941 struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
942
943 if (!inst) {
944 pr_err("the h264 inst of dec is invalid.\n");
945 return -1;
946 }
947
948 switch (type) {
949 case SET_PARAM_WRITE_FRAME_SYNC:
950 set_param_write_sync(inst);
951 break;
952
953 case SET_PARAM_PIC_INFO:
954 set_param_pic_info(inst, in);
955 break;
956
957 case SET_PARAM_HDR_INFO:
958 set_param_hdr_info(inst, in);
959 break;
960 default:
961 aml_vcodec_err(inst, "invalid set parameter type=%d", type);
962 ret = -EINVAL;
963 }
964
965 return ret;
966}
967
968static struct vdec_common_if vdec_h264_if = {
969 .init = vdec_h264_init,
970 .probe = vdec_h264_probe,
971 .decode = vdec_h264_decode,
972 .get_param = vdec_h264_get_param,
973 .set_param = vdec_h264_set_param,
974 .deinit = vdec_h264_deinit,
975};
976
977struct vdec_common_if *get_h264_dec_comm_if(void);
978
979struct vdec_common_if *get_h264_dec_comm_if(void)
980{
981 return &vdec_h264_if;
982}
983
generated by cgit at 2024-05-17 09:07:12 (GMT)