radeon_vce.c revision 7ec681f3
1/**************************************************************************
2 *
3 * Copyright 2013 Advanced Micro Devices, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#include "radeon_vce.h"
29
30#include "pipe/p_video_codec.h"
31#include "radeon_video.h"
32#include "radeonsi/si_pipe.h"
33#include "util/u_memory.h"
34#include "util/u_video.h"
35#include "vl/vl_video_buffer.h"
36
37#include <stdio.h>
38
39#define FW_40_2_2  ((40 << 24) | (2 << 16) | (2 << 8))
40#define FW_50_0_1  ((50 << 24) | (0 << 16) | (1 << 8))
41#define FW_50_1_2  ((50 << 24) | (1 << 16) | (2 << 8))
42#define FW_50_10_2 ((50 << 24) | (10 << 16) | (2 << 8))
43#define FW_50_17_3 ((50 << 24) | (17 << 16) | (3 << 8))
44#define FW_52_0_3  ((52 << 24) | (0 << 16) | (3 << 8))
45#define FW_52_4_3  ((52 << 24) | (4 << 16) | (3 << 8))
46#define FW_52_8_3  ((52 << 24) | (8 << 16) | (3 << 8))
47#define FW_53       (53 << 24)
48
49/**
50 * flush commands to the hardware
51 */
52static void flush(struct rvce_encoder *enc)
53{
54   enc->ws->cs_flush(&enc->cs, PIPE_FLUSH_ASYNC, NULL);
55   enc->task_info_idx = 0;
56   enc->bs_idx = 0;
57}
58
59#if 0
60static void dump_feedback(struct rvce_encoder *enc, struct rvid_buffer *fb)
61{
62   uint32_t *ptr = enc->ws->buffer_map(fb->res->buf, &enc->cs, PIPE_MAP_READ_WRITE);
63   unsigned i = 0;
64   fprintf(stderr, "\n");
65   fprintf(stderr, "encStatus:\t\t\t%08x\n", ptr[i++]);
66   fprintf(stderr, "encHasBitstream:\t\t%08x\n", ptr[i++]);
67   fprintf(stderr, "encHasAudioBitstream:\t\t%08x\n", ptr[i++]);
68   fprintf(stderr, "encBitstreamOffset:\t\t%08x\n", ptr[i++]);
69   fprintf(stderr, "encBitstreamSize:\t\t%08x\n", ptr[i++]);
70   fprintf(stderr, "encAudioBitstreamOffset:\t%08x\n", ptr[i++]);
71   fprintf(stderr, "encAudioBitstreamSize:\t\t%08x\n", ptr[i++]);
72   fprintf(stderr, "encExtrabytes:\t\t\t%08x\n", ptr[i++]);
73   fprintf(stderr, "encAudioExtrabytes:\t\t%08x\n", ptr[i++]);
74   fprintf(stderr, "videoTimeStamp:\t\t\t%08x\n", ptr[i++]);
75   fprintf(stderr, "audioTimeStamp:\t\t\t%08x\n", ptr[i++]);
76   fprintf(stderr, "videoOutputType:\t\t%08x\n", ptr[i++]);
77   fprintf(stderr, "attributeFlags:\t\t\t%08x\n", ptr[i++]);
78   fprintf(stderr, "seiPrivatePackageOffset:\t%08x\n", ptr[i++]);
79   fprintf(stderr, "seiPrivatePackageSize:\t\t%08x\n", ptr[i++]);
80   fprintf(stderr, "\n");
81   enc->ws->buffer_unmap(fb->res->buf);
82}
83#endif
84
85/**
86 * reset the CPB handling
87 */
88static void reset_cpb(struct rvce_encoder *enc)
89{
90   unsigned i;
91
92   list_inithead(&enc->cpb_slots);
93   for (i = 0; i < enc->cpb_num; ++i) {
94      struct rvce_cpb_slot *slot = &enc->cpb_array[i];
95      slot->index = i;
96      slot->picture_type = PIPE_H2645_ENC_PICTURE_TYPE_SKIP;
97      slot->frame_num = 0;
98      slot->pic_order_cnt = 0;
99      list_addtail(&slot->list, &enc->cpb_slots);
100   }
101}
102
103/**
104 * sort l0 and l1 to the top of the list
105 */
106static void sort_cpb(struct rvce_encoder *enc)
107{
108   struct rvce_cpb_slot *i, *l0 = NULL, *l1 = NULL;
109
110   LIST_FOR_EACH_ENTRY (i, &enc->cpb_slots, list) {
111      if (i->frame_num == enc->pic.ref_idx_l0)
112         l0 = i;
113
114      if (i->frame_num == enc->pic.ref_idx_l1)
115         l1 = i;
116
117      if (enc->pic.picture_type == PIPE_H2645_ENC_PICTURE_TYPE_P && l0)
118         break;
119
120      if (enc->pic.picture_type == PIPE_H2645_ENC_PICTURE_TYPE_B && l0 && l1)
121         break;
122   }
123
124   if (l1) {
125      list_del(&l1->list);
126      list_add(&l1->list, &enc->cpb_slots);
127   }
128
129   if (l0) {
130      list_del(&l0->list);
131      list_add(&l0->list, &enc->cpb_slots);
132   }
133}
134
135/**
136 * get number of cpbs based on dpb
137 */
138static unsigned get_cpb_num(struct rvce_encoder *enc)
139{
140   unsigned w = align(enc->base.width, 16) / 16;
141   unsigned h = align(enc->base.height, 16) / 16;
142   unsigned dpb;
143
144   switch (enc->base.level) {
145   case 10:
146      dpb = 396;
147      break;
148   case 11:
149      dpb = 900;
150      break;
151   case 12:
152   case 13:
153   case 20:
154      dpb = 2376;
155      break;
156   case 21:
157      dpb = 4752;
158      break;
159   case 22:
160   case 30:
161      dpb = 8100;
162      break;
163   case 31:
164      dpb = 18000;
165      break;
166   case 32:
167      dpb = 20480;
168      break;
169   case 40:
170   case 41:
171      dpb = 32768;
172      break;
173   case 42:
174      dpb = 34816;
175      break;
176   case 50:
177      dpb = 110400;
178      break;
179   default:
180   case 51:
181   case 52:
182      dpb = 184320;
183      break;
184   }
185
186   return MIN2(dpb / (w * h), 16);
187}
188
189/**
190 * Get the slot for the currently encoded frame
191 */
192struct rvce_cpb_slot *si_current_slot(struct rvce_encoder *enc)
193{
194   return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.prev, list);
195}
196
197/**
198 * Get the slot for L0
199 */
200struct rvce_cpb_slot *si_l0_slot(struct rvce_encoder *enc)
201{
202   return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next, list);
203}
204
205/**
206 * Get the slot for L1
207 */
208struct rvce_cpb_slot *si_l1_slot(struct rvce_encoder *enc)
209{
210   return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next->next, list);
211}
212
213/**
214 * Calculate the offsets into the CPB
215 */
216void si_vce_frame_offset(struct rvce_encoder *enc, struct rvce_cpb_slot *slot, signed *luma_offset,
217                         signed *chroma_offset)
218{
219   struct si_screen *sscreen = (struct si_screen *)enc->screen;
220   unsigned pitch, vpitch, fsize;
221
222   if (sscreen->info.chip_class < GFX9) {
223      pitch = align(enc->luma->u.legacy.level[0].nblk_x * enc->luma->bpe, 128);
224      vpitch = align(enc->luma->u.legacy.level[0].nblk_y, 16);
225   } else {
226      pitch = align(enc->luma->u.gfx9.surf_pitch * enc->luma->bpe, 256);
227      vpitch = align(enc->luma->u.gfx9.surf_height, 16);
228   }
229   fsize = pitch * (vpitch + vpitch / 2);
230
231   *luma_offset = slot->index * fsize;
232   *chroma_offset = *luma_offset + pitch * vpitch;
233}
234
235/**
236 * destroy this video encoder
237 */
238static void rvce_destroy(struct pipe_video_codec *encoder)
239{
240   struct rvce_encoder *enc = (struct rvce_encoder *)encoder;
241   if (enc->stream_handle) {
242      struct rvid_buffer fb;
243      si_vid_create_buffer(enc->screen, &fb, 512, PIPE_USAGE_STAGING);
244      enc->fb = &fb;
245      enc->session(enc);
246      enc->destroy(enc);
247      flush(enc);
248      si_vid_destroy_buffer(&fb);
249   }
250   si_vid_destroy_buffer(&enc->cpb);
251   enc->ws->cs_destroy(&enc->cs);
252   FREE(enc->cpb_array);
253   FREE(enc);
254}
255
256static void rvce_begin_frame(struct pipe_video_codec *encoder, struct pipe_video_buffer *source,
257                             struct pipe_picture_desc *picture)
258{
259   struct rvce_encoder *enc = (struct rvce_encoder *)encoder;
260   struct vl_video_buffer *vid_buf = (struct vl_video_buffer *)source;
261   struct pipe_h264_enc_picture_desc *pic = (struct pipe_h264_enc_picture_desc *)picture;
262
263   bool need_rate_control =
264      enc->pic.rate_ctrl[0].rate_ctrl_method != pic->rate_ctrl[0].rate_ctrl_method ||
265      enc->pic.quant_i_frames != pic->quant_i_frames ||
266      enc->pic.quant_p_frames != pic->quant_p_frames ||
267      enc->pic.quant_b_frames != pic->quant_b_frames ||
268      enc->pic.rate_ctrl[0].target_bitrate != pic->rate_ctrl[0].target_bitrate ||
269      enc->pic.rate_ctrl[0].frame_rate_num != pic->rate_ctrl[0].frame_rate_num ||
270      enc->pic.rate_ctrl[0].frame_rate_den != pic->rate_ctrl[0].frame_rate_den;
271
272   enc->pic = *pic;
273   enc->si_get_pic_param(enc, pic);
274
275   enc->get_buffer(vid_buf->resources[0], &enc->handle, &enc->luma);
276   enc->get_buffer(vid_buf->resources[1], NULL, &enc->chroma);
277
278   if (pic->picture_type == PIPE_H2645_ENC_PICTURE_TYPE_IDR)
279      reset_cpb(enc);
280   else if (pic->picture_type == PIPE_H2645_ENC_PICTURE_TYPE_P ||
281            pic->picture_type == PIPE_H2645_ENC_PICTURE_TYPE_B)
282      sort_cpb(enc);
283
284   if (!enc->stream_handle) {
285      struct rvid_buffer fb;
286      enc->stream_handle = si_vid_alloc_stream_handle();
287      si_vid_create_buffer(enc->screen, &fb, 512, PIPE_USAGE_STAGING);
288      enc->fb = &fb;
289      enc->session(enc);
290      enc->create(enc);
291      enc->config(enc);
292      enc->feedback(enc);
293      flush(enc);
294      // dump_feedback(enc, &fb);
295      si_vid_destroy_buffer(&fb);
296      need_rate_control = false;
297   }
298
299   if (need_rate_control) {
300      enc->session(enc);
301      enc->config(enc);
302      flush(enc);
303   }
304}
305
306static void rvce_encode_bitstream(struct pipe_video_codec *encoder,
307                                  struct pipe_video_buffer *source,
308                                  struct pipe_resource *destination, void **fb)
309{
310   struct rvce_encoder *enc = (struct rvce_encoder *)encoder;
311   enc->get_buffer(destination, &enc->bs_handle, NULL);
312   enc->bs_size = destination->width0;
313
314   *fb = enc->fb = CALLOC_STRUCT(rvid_buffer);
315   if (!si_vid_create_buffer(enc->screen, enc->fb, 512, PIPE_USAGE_STAGING)) {
316      RVID_ERR("Can't create feedback buffer.\n");
317      return;
318   }
319   if (!radeon_emitted(&enc->cs, 0))
320      enc->session(enc);
321   enc->encode(enc);
322   enc->feedback(enc);
323}
324
325static void rvce_end_frame(struct pipe_video_codec *encoder, struct pipe_video_buffer *source,
326                           struct pipe_picture_desc *picture)
327{
328   struct rvce_encoder *enc = (struct rvce_encoder *)encoder;
329   struct rvce_cpb_slot *slot = LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.prev, list);
330
331   if (!enc->dual_inst || enc->bs_idx > 1)
332      flush(enc);
333
334   /* update the CPB backtrack with the just encoded frame */
335   slot->picture_type = enc->pic.picture_type;
336   slot->frame_num = enc->pic.frame_num;
337   slot->pic_order_cnt = enc->pic.pic_order_cnt;
338   if (!enc->pic.not_referenced) {
339      list_del(&slot->list);
340      list_add(&slot->list, &enc->cpb_slots);
341   }
342}
343
344static void rvce_get_feedback(struct pipe_video_codec *encoder, void *feedback, unsigned *size)
345{
346   struct rvce_encoder *enc = (struct rvce_encoder *)encoder;
347   struct rvid_buffer *fb = feedback;
348
349   if (size) {
350      uint32_t *ptr = enc->ws->buffer_map(enc->ws, fb->res->buf, &enc->cs,
351                                          PIPE_MAP_READ_WRITE | RADEON_MAP_TEMPORARY);
352
353      if (ptr[1]) {
354         *size = ptr[4] - ptr[9];
355      } else {
356         *size = 0;
357      }
358
359      enc->ws->buffer_unmap(enc->ws, fb->res->buf);
360   }
361   // dump_feedback(enc, fb);
362   si_vid_destroy_buffer(fb);
363   FREE(fb);
364}
365
366/**
367 * flush any outstanding command buffers to the hardware
368 */
369static void rvce_flush(struct pipe_video_codec *encoder)
370{
371   struct rvce_encoder *enc = (struct rvce_encoder *)encoder;
372
373   flush(enc);
374}
375
376static void rvce_cs_flush(void *ctx, unsigned flags, struct pipe_fence_handle **fence)
377{
378   // just ignored
379}
380
381struct pipe_video_codec *si_vce_create_encoder(struct pipe_context *context,
382                                               const struct pipe_video_codec *templ,
383                                               struct radeon_winsys *ws, rvce_get_buffer get_buffer)
384{
385   struct si_screen *sscreen = (struct si_screen *)context->screen;
386   struct si_context *sctx = (struct si_context *)context;
387   struct rvce_encoder *enc;
388   struct pipe_video_buffer *tmp_buf, templat = {};
389   struct radeon_surf *tmp_surf;
390   unsigned cpb_size;
391
392   if (!sscreen->info.vce_fw_version) {
393      RVID_ERR("Kernel doesn't supports VCE!\n");
394      return NULL;
395
396   } else if (!si_vce_is_fw_version_supported(sscreen)) {
397      RVID_ERR("Unsupported VCE fw version loaded!\n");
398      return NULL;
399   }
400
401   enc = CALLOC_STRUCT(rvce_encoder);
402   if (!enc)
403      return NULL;
404
405   if (sscreen->info.is_amdgpu)
406      enc->use_vm = true;
407   if ((!sscreen->info.is_amdgpu && sscreen->info.drm_minor >= 42) || sscreen->info.is_amdgpu)
408      enc->use_vui = true;
409   if (sscreen->info.family >= CHIP_TONGA && sscreen->info.family != CHIP_STONEY &&
410       sscreen->info.family != CHIP_POLARIS11 && sscreen->info.family != CHIP_POLARIS12 &&
411       sscreen->info.family != CHIP_VEGAM)
412      enc->dual_pipe = true;
413   /* TODO enable B frame with dual instance */
414   if ((sscreen->info.family >= CHIP_TONGA) && (templ->max_references == 1) &&
415       (sscreen->info.vce_harvest_config == 0))
416      enc->dual_inst = true;
417
418   enc->base = *templ;
419   enc->base.context = context;
420
421   enc->base.destroy = rvce_destroy;
422   enc->base.begin_frame = rvce_begin_frame;
423   enc->base.encode_bitstream = rvce_encode_bitstream;
424   enc->base.end_frame = rvce_end_frame;
425   enc->base.flush = rvce_flush;
426   enc->base.get_feedback = rvce_get_feedback;
427   enc->get_buffer = get_buffer;
428
429   enc->screen = context->screen;
430   enc->ws = ws;
431
432   if (!ws->cs_create(&enc->cs, sctx->ctx, RING_VCE, rvce_cs_flush, enc, false)) {
433      RVID_ERR("Can't get command submission context.\n");
434      goto error;
435   }
436
437   templat.buffer_format = PIPE_FORMAT_NV12;
438   templat.width = enc->base.width;
439   templat.height = enc->base.height;
440   templat.interlaced = false;
441   if (!(tmp_buf = context->create_video_buffer(context, &templat))) {
442      RVID_ERR("Can't create video buffer.\n");
443      goto error;
444   }
445
446   enc->cpb_num = get_cpb_num(enc);
447   if (!enc->cpb_num)
448      goto error;
449
450   get_buffer(((struct vl_video_buffer *)tmp_buf)->resources[0], NULL, &tmp_surf);
451
452   cpb_size = (sscreen->info.chip_class < GFX9)
453                 ? align(tmp_surf->u.legacy.level[0].nblk_x * tmp_surf->bpe, 128) *
454                      align(tmp_surf->u.legacy.level[0].nblk_y, 32)
455                 :
456
457                 align(tmp_surf->u.gfx9.surf_pitch * tmp_surf->bpe, 256) *
458                    align(tmp_surf->u.gfx9.surf_height, 32);
459
460   cpb_size = cpb_size * 3 / 2;
461   cpb_size = cpb_size * enc->cpb_num;
462   if (enc->dual_pipe)
463      cpb_size += RVCE_MAX_AUX_BUFFER_NUM * RVCE_MAX_BITSTREAM_OUTPUT_ROW_SIZE * 2;
464   tmp_buf->destroy(tmp_buf);
465   if (!si_vid_create_buffer(enc->screen, &enc->cpb, cpb_size, PIPE_USAGE_DEFAULT)) {
466      RVID_ERR("Can't create CPB buffer.\n");
467      goto error;
468   }
469
470   enc->cpb_array = CALLOC(enc->cpb_num, sizeof(struct rvce_cpb_slot));
471   if (!enc->cpb_array)
472      goto error;
473
474   reset_cpb(enc);
475
476   switch (sscreen->info.vce_fw_version) {
477   case FW_40_2_2:
478      si_vce_40_2_2_init(enc);
479      break;
480
481   case FW_50_0_1:
482   case FW_50_1_2:
483   case FW_50_10_2:
484   case FW_50_17_3:
485      si_vce_50_init(enc);
486      break;
487
488   case FW_52_0_3:
489   case FW_52_4_3:
490   case FW_52_8_3:
491      si_vce_52_init(enc);
492      break;
493
494   default:
495      if ((sscreen->info.vce_fw_version & (0xff << 24)) >= FW_53) {
496         si_vce_52_init(enc);
497      } else
498         goto error;
499   }
500
501   return &enc->base;
502
503error:
504   enc->ws->cs_destroy(&enc->cs);
505
506   si_vid_destroy_buffer(&enc->cpb);
507
508   FREE(enc->cpb_array);
509   FREE(enc);
510   return NULL;
511}
512
513/**
514 * check if kernel has the right fw version loaded
515 */
516bool si_vce_is_fw_version_supported(struct si_screen *sscreen)
517{
518   switch (sscreen->info.vce_fw_version) {
519   case FW_40_2_2:
520   case FW_50_0_1:
521   case FW_50_1_2:
522   case FW_50_10_2:
523   case FW_50_17_3:
524   case FW_52_0_3:
525   case FW_52_4_3:
526   case FW_52_8_3:
527      return true;
528   default:
529      if ((sscreen->info.vce_fw_version & (0xff << 24)) >= FW_53)
530         return true;
531      else
532         return false;
533   }
534}
535
536/**
537 * Add the buffer as relocation to the current command submission
538 */
539void si_vce_add_buffer(struct rvce_encoder *enc, struct pb_buffer *buf, enum radeon_bo_usage usage,
540                       enum radeon_bo_domain domain, signed offset)
541{
542   int reloc_idx;
543
544   reloc_idx = enc->ws->cs_add_buffer(&enc->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED, domain, 0);
545   if (enc->use_vm) {
546      uint64_t addr;
547      addr = enc->ws->buffer_get_virtual_address(buf);
548      addr = addr + offset;
549      RVCE_CS(addr >> 32);
550      RVCE_CS(addr);
551   } else {
552      offset += enc->ws->buffer_get_reloc_offset(buf);
553      RVCE_CS(reloc_idx * 4);
554      RVCE_CS(offset);
555   }
556}
557