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/* 29 * Authors: 30 * Christian König <christian.koenig@amd.com> 31 * 32 */ 33 34#include <stdio.h> 35 36#include "pipe/p_video_codec.h" 37 38#include "util/u_video.h" 39#include "util/u_memory.h" 40 41#include "vl/vl_video_buffer.h" 42 43#include "r600_pipe_common.h" 44#include "radeon_video.h" 45#include "radeon_vce.h" 46 47#define FW_40_2_2 ((40 << 24) | (2 << 16) | (2 << 8)) 48#define FW_50_0_1 ((50 << 24) | (0 << 16) | (1 << 8)) 49#define FW_50_1_2 ((50 << 24) | (1 << 16) | (2 << 8)) 50#define FW_50_10_2 ((50 << 24) | (10 << 16) | (2 << 8)) 51#define FW_50_17_3 ((50 << 24) | (17 << 16) | (3 << 8)) 52#define FW_52_0_3 ((52 << 24) | (0 << 16) | (3 << 8)) 53#define FW_52_4_3 ((52 << 24) | (4 << 16) | (3 << 8)) 54#define FW_52_8_3 ((52 << 24) | (8 << 16) | (3 << 8)) 55#define FW_53 (53 << 24) 56 57/** 58 * flush commands to the hardware 59 */ 60static void flush(struct rvce_encoder *enc) 61{ 62 enc->ws->cs_flush(enc->cs, PIPE_FLUSH_ASYNC, NULL); 63 enc->task_info_idx = 0; 64 enc->bs_idx = 0; 65} 66 67#if 0 68static void dump_feedback(struct rvce_encoder *enc, struct rvid_buffer *fb) 69{ 70 uint32_t *ptr = enc->ws->buffer_map(fb->res->buf, enc->cs, PIPE_TRANSFER_READ_WRITE); 71 unsigned i = 0; 72 fprintf(stderr, "\n"); 73 fprintf(stderr, "encStatus:\t\t\t%08x\n", ptr[i++]); 74 fprintf(stderr, "encHasBitstream:\t\t%08x\n", ptr[i++]); 75 fprintf(stderr, "encHasAudioBitstream:\t\t%08x\n", ptr[i++]); 76 fprintf(stderr, "encBitstreamOffset:\t\t%08x\n", ptr[i++]); 77 fprintf(stderr, "encBitstreamSize:\t\t%08x\n", ptr[i++]); 78 fprintf(stderr, "encAudioBitstreamOffset:\t%08x\n", ptr[i++]); 79 fprintf(stderr, "encAudioBitstreamSize:\t\t%08x\n", ptr[i++]); 80 fprintf(stderr, "encExtrabytes:\t\t\t%08x\n", ptr[i++]); 81 fprintf(stderr, "encAudioExtrabytes:\t\t%08x\n", ptr[i++]); 82 fprintf(stderr, "videoTimeStamp:\t\t\t%08x\n", ptr[i++]); 83 fprintf(stderr, "audioTimeStamp:\t\t\t%08x\n", ptr[i++]); 84 fprintf(stderr, "videoOutputType:\t\t%08x\n", ptr[i++]); 85 fprintf(stderr, "attributeFlags:\t\t\t%08x\n", ptr[i++]); 86 fprintf(stderr, "seiPrivatePackageOffset:\t%08x\n", ptr[i++]); 87 fprintf(stderr, "seiPrivatePackageSize:\t\t%08x\n", ptr[i++]); 88 fprintf(stderr, "\n"); 89 enc->ws->buffer_unmap(fb->res->buf); 90} 91#endif 92 93/** 94 * reset the CPB handling 95 */ 96static void reset_cpb(struct rvce_encoder *enc) 97{ 98 unsigned i; 99 100 LIST_INITHEAD(&enc->cpb_slots); 101 for (i = 0; i < enc->cpb_num; ++i) { 102 struct rvce_cpb_slot *slot = &enc->cpb_array[i]; 103 slot->index = i; 104 slot->picture_type = PIPE_H264_ENC_PICTURE_TYPE_SKIP; 105 slot->frame_num = 0; 106 slot->pic_order_cnt = 0; 107 LIST_ADDTAIL(&slot->list, &enc->cpb_slots); 108 } 109} 110 111/** 112 * sort l0 and l1 to the top of the list 113 */ 114static void sort_cpb(struct rvce_encoder *enc) 115{ 116 struct rvce_cpb_slot *i, *l0 = NULL, *l1 = NULL; 117 118 LIST_FOR_EACH_ENTRY(i, &enc->cpb_slots, list) { 119 if (i->frame_num == enc->pic.ref_idx_l0) 120 l0 = i; 121 122 if (i->frame_num == enc->pic.ref_idx_l1) 123 l1 = i; 124 125 if (enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_P && l0) 126 break; 127 128 if (enc->pic.picture_type == PIPE_H264_ENC_PICTURE_TYPE_B && 129 l0 && l1) 130 break; 131 } 132 133 if (l1) { 134 LIST_DEL(&l1->list); 135 LIST_ADD(&l1->list, &enc->cpb_slots); 136 } 137 138 if (l0) { 139 LIST_DEL(&l0->list); 140 LIST_ADD(&l0->list, &enc->cpb_slots); 141 } 142} 143 144/** 145 * get number of cpbs based on dpb 146 */ 147static unsigned get_cpb_num(struct rvce_encoder *enc) 148{ 149 unsigned w = align(enc->base.width, 16) / 16; 150 unsigned h = align(enc->base.height, 16) / 16; 151 unsigned dpb; 152 153 switch (enc->base.level) { 154 case 10: 155 dpb = 396; 156 break; 157 case 11: 158 dpb = 900; 159 break; 160 case 12: 161 case 13: 162 case 20: 163 dpb = 2376; 164 break; 165 case 21: 166 dpb = 4752; 167 break; 168 case 22: 169 case 30: 170 dpb = 8100; 171 break; 172 case 31: 173 dpb = 18000; 174 break; 175 case 32: 176 dpb = 20480; 177 break; 178 case 40: 179 case 41: 180 dpb = 32768; 181 break; 182 case 42: 183 dpb = 34816; 184 break; 185 case 50: 186 dpb = 110400; 187 break; 188 default: 189 case 51: 190 case 52: 191 dpb = 184320; 192 break; 193 } 194 195 return MIN2(dpb / (w * h), 16); 196} 197 198/** 199 * Get the slot for the currently encoded frame 200 */ 201struct rvce_cpb_slot *current_slot(struct rvce_encoder *enc) 202{ 203 return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.prev, list); 204} 205 206/** 207 * Get the slot for L0 208 */ 209struct rvce_cpb_slot *l0_slot(struct rvce_encoder *enc) 210{ 211 return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next, list); 212} 213 214/** 215 * Get the slot for L1 216 */ 217struct rvce_cpb_slot *l1_slot(struct rvce_encoder *enc) 218{ 219 return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next->next, list); 220} 221 222/** 223 * Calculate the offsets into the CPB 224 */ 225void rvce_frame_offset(struct rvce_encoder *enc, struct rvce_cpb_slot *slot, 226 signed *luma_offset, signed *chroma_offset) 227{ 228 unsigned pitch, vpitch, fsize; 229 230 pitch = align(enc->luma->u.legacy.level[0].nblk_x * enc->luma->bpe, 128); 231 vpitch = align(enc->luma->u.legacy.level[0].nblk_y, 16); 232 fsize = pitch * (vpitch + vpitch / 2); 233 234 *luma_offset = slot->index * fsize; 235 *chroma_offset = *luma_offset + pitch * vpitch; 236} 237 238/** 239 * destroy this video encoder 240 */ 241static void rvce_destroy(struct pipe_video_codec *encoder) 242{ 243 struct rvce_encoder *enc = (struct rvce_encoder*)encoder; 244 if (enc->stream_handle) { 245 struct rvid_buffer fb; 246 rvid_create_buffer(enc->screen, &fb, 512, PIPE_USAGE_STAGING); 247 enc->fb = &fb; 248 enc->session(enc); 249 enc->feedback(enc); 250 enc->destroy(enc); 251 flush(enc); 252 rvid_destroy_buffer(&fb); 253 } 254 rvid_destroy_buffer(&enc->cpb); 255 enc->ws->cs_destroy(enc->cs); 256 FREE(enc->cpb_array); 257 FREE(enc); 258} 259 260static void rvce_begin_frame(struct pipe_video_codec *encoder, 261 struct pipe_video_buffer *source, 262 struct pipe_picture_desc *picture) 263{ 264 struct rvce_encoder *enc = (struct rvce_encoder*)encoder; 265 struct vl_video_buffer *vid_buf = (struct vl_video_buffer *)source; 266 struct pipe_h264_enc_picture_desc *pic = (struct pipe_h264_enc_picture_desc *)picture; 267 268 bool need_rate_control = 269 enc->pic.rate_ctrl.rate_ctrl_method != pic->rate_ctrl.rate_ctrl_method || 270 enc->pic.quant_i_frames != pic->quant_i_frames || 271 enc->pic.quant_p_frames != pic->quant_p_frames || 272 enc->pic.quant_b_frames != pic->quant_b_frames; 273 274 enc->pic = *pic; 275 get_pic_param(enc, pic); 276 277 enc->get_buffer(vid_buf->resources[0], &enc->handle, &enc->luma); 278 enc->get_buffer(vid_buf->resources[1], NULL, &enc->chroma); 279 280 if (pic->picture_type == PIPE_H264_ENC_PICTURE_TYPE_IDR) 281 reset_cpb(enc); 282 else if (pic->picture_type == PIPE_H264_ENC_PICTURE_TYPE_P || 283 pic->picture_type == PIPE_H264_ENC_PICTURE_TYPE_B) 284 sort_cpb(enc); 285 286 if (!enc->stream_handle) { 287 struct rvid_buffer fb; 288 enc->stream_handle = rvid_alloc_stream_handle(); 289 rvid_create_buffer(enc->screen, &fb, 512, PIPE_USAGE_STAGING); 290 enc->fb = &fb; 291 enc->session(enc); 292 enc->create(enc); 293 enc->config(enc); 294 enc->feedback(enc); 295 flush(enc); 296 //dump_feedback(enc, &fb); 297 rvid_destroy_buffer(&fb); 298 need_rate_control = false; 299 } 300 301 if (need_rate_control) { 302 enc->session(enc); 303 enc->config(enc); 304 flush(enc); 305 } 306} 307 308static void rvce_encode_bitstream(struct pipe_video_codec *encoder, 309 struct pipe_video_buffer *source, 310 struct pipe_resource *destination, 311 void **fb) 312{ 313 struct rvce_encoder *enc = (struct rvce_encoder*)encoder; 314 enc->get_buffer(destination, &enc->bs_handle, NULL); 315 enc->bs_size = destination->width0; 316 317 *fb = enc->fb = CALLOC_STRUCT(rvid_buffer); 318 if (!rvid_create_buffer(enc->screen, enc->fb, 512, PIPE_USAGE_STAGING)) { 319 RVID_ERR("Can't create feedback buffer.\n"); 320 return; 321 } 322 if (!radeon_emitted(enc->cs, 0)) 323 enc->session(enc); 324 enc->encode(enc); 325 enc->feedback(enc); 326} 327 328static void rvce_end_frame(struct pipe_video_codec *encoder, 329 struct pipe_video_buffer *source, 330 struct pipe_picture_desc *picture) 331{ 332 struct rvce_encoder *enc = (struct rvce_encoder*)encoder; 333 struct rvce_cpb_slot *slot = LIST_ENTRY( 334 struct rvce_cpb_slot, enc->cpb_slots.prev, list); 335 336 if (!enc->dual_inst || enc->bs_idx > 1) 337 flush(enc); 338 339 /* update the CPB backtrack with the just encoded frame */ 340 slot->picture_type = enc->pic.picture_type; 341 slot->frame_num = enc->pic.frame_num; 342 slot->pic_order_cnt = enc->pic.pic_order_cnt; 343 if (!enc->pic.not_referenced) { 344 LIST_DEL(&slot->list); 345 LIST_ADD(&slot->list, &enc->cpb_slots); 346 } 347} 348 349static void rvce_get_feedback(struct pipe_video_codec *encoder, 350 void *feedback, unsigned *size) 351{ 352 struct rvce_encoder *enc = (struct rvce_encoder*)encoder; 353 struct rvid_buffer *fb = feedback; 354 355 if (size) { 356 uint32_t *ptr = enc->ws->buffer_map( 357 fb->res->buf, enc->cs, 358 PIPE_TRANSFER_READ_WRITE | RADEON_TRANSFER_TEMPORARY); 359 360 if (ptr[1]) { 361 *size = ptr[4] - ptr[9]; 362 } else { 363 *size = 0; 364 } 365 366 enc->ws->buffer_unmap(fb->res->buf); 367 } 368 //dump_feedback(enc, fb); 369 rvid_destroy_buffer(fb); 370 FREE(fb); 371} 372 373/** 374 * flush any outstanding command buffers to the hardware 375 */ 376static void rvce_flush(struct pipe_video_codec *encoder) 377{ 378 struct rvce_encoder *enc = (struct rvce_encoder*)encoder; 379 380 flush(enc); 381} 382 383static void rvce_cs_flush(void *ctx, unsigned flags, 384 struct pipe_fence_handle **fence) 385{ 386 // just ignored 387} 388 389struct pipe_video_codec *rvce_create_encoder(struct pipe_context *context, 390 const struct pipe_video_codec *templ, 391 struct radeon_winsys* ws, 392 rvce_get_buffer get_buffer) 393{ 394 struct r600_common_screen *rscreen = (struct r600_common_screen *)context->screen; 395 struct r600_common_context *rctx = (struct r600_common_context*)context; 396 struct rvce_encoder *enc; 397 struct pipe_video_buffer *tmp_buf, templat = {}; 398 struct radeon_surf *tmp_surf; 399 unsigned cpb_size; 400 401 if (!rscreen->info.vce_fw_version) { 402 RVID_ERR("Kernel doesn't supports VCE!\n"); 403 return NULL; 404 405 } else if (!rvce_is_fw_version_supported(rscreen)) { 406 RVID_ERR("Unsupported VCE fw version loaded!\n"); 407 return NULL; 408 } 409 410 enc = CALLOC_STRUCT(rvce_encoder); 411 if (!enc) 412 return NULL; 413 414 if (rscreen->info.drm_major == 3) 415 enc->use_vm = true; 416 if ((rscreen->info.drm_major == 2 && rscreen->info.drm_minor >= 42) || 417 rscreen->info.drm_major == 3) 418 enc->use_vui = true; 419 420 enc->base = *templ; 421 enc->base.context = context; 422 423 enc->base.destroy = rvce_destroy; 424 enc->base.begin_frame = rvce_begin_frame; 425 enc->base.encode_bitstream = rvce_encode_bitstream; 426 enc->base.end_frame = rvce_end_frame; 427 enc->base.flush = rvce_flush; 428 enc->base.get_feedback = rvce_get_feedback; 429 enc->get_buffer = get_buffer; 430 431 enc->screen = context->screen; 432 enc->ws = ws; 433 enc->cs = ws->cs_create(rctx->ctx, RING_VCE, rvce_cs_flush, enc, false); 434 if (!enc->cs) { 435 RVID_ERR("Can't get command submission context.\n"); 436 goto error; 437 } 438 439 templat.buffer_format = PIPE_FORMAT_NV12; 440 templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420; 441 templat.width = enc->base.width; 442 templat.height = enc->base.height; 443 templat.interlaced = false; 444 if (!(tmp_buf = context->create_video_buffer(context, &templat))) { 445 RVID_ERR("Can't create video buffer.\n"); 446 goto error; 447 } 448 449 enc->cpb_num = get_cpb_num(enc); 450 if (!enc->cpb_num) 451 goto error; 452 453 get_buffer(((struct vl_video_buffer *)tmp_buf)->resources[0], NULL, &tmp_surf); 454 455 cpb_size = align(tmp_surf->u.legacy.level[0].nblk_x * tmp_surf->bpe, 128) * 456 align(tmp_surf->u.legacy.level[0].nblk_y, 32); 457 458 cpb_size = cpb_size * 3 / 2; 459 cpb_size = cpb_size * enc->cpb_num; 460 if (enc->dual_pipe) 461 cpb_size += RVCE_MAX_AUX_BUFFER_NUM * 462 RVCE_MAX_BITSTREAM_OUTPUT_ROW_SIZE * 2; 463 tmp_buf->destroy(tmp_buf); 464 if (!rvid_create_buffer(enc->screen, &enc->cpb, cpb_size, PIPE_USAGE_DEFAULT)) { 465 RVID_ERR("Can't create CPB buffer.\n"); 466 goto error; 467 } 468 469 enc->cpb_array = CALLOC(enc->cpb_num, sizeof(struct rvce_cpb_slot)); 470 if (!enc->cpb_array) 471 goto error; 472 473 reset_cpb(enc); 474 475 goto error; 476 477 return &enc->base; 478 479error: 480 if (enc->cs) 481 enc->ws->cs_destroy(enc->cs); 482 483 rvid_destroy_buffer(&enc->cpb); 484 485 FREE(enc->cpb_array); 486 FREE(enc); 487 return NULL; 488} 489 490/** 491 * check if kernel has the right fw version loaded 492 */ 493bool rvce_is_fw_version_supported(struct r600_common_screen *rscreen) 494{ 495 switch (rscreen->info.vce_fw_version) { 496 case FW_40_2_2: 497 case FW_50_0_1: 498 case FW_50_1_2: 499 case FW_50_10_2: 500 case FW_50_17_3: 501 case FW_52_0_3: 502 case FW_52_4_3: 503 case FW_52_8_3: 504 return true; 505 default: 506 if ((rscreen->info.vce_fw_version & (0xff << 24)) == FW_53) 507 return true; 508 else 509 return false; 510 } 511} 512 513/** 514 * Add the buffer as relocation to the current command submission 515 */ 516void rvce_add_buffer(struct rvce_encoder *enc, struct pb_buffer *buf, 517 enum radeon_bo_usage usage, enum radeon_bo_domain domain, 518 signed offset) 519{ 520 int reloc_idx; 521 522 reloc_idx = enc->ws->cs_add_buffer(enc->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED, 523 domain, 0); 524 if (enc->use_vm) { 525 uint64_t addr; 526 addr = enc->ws->buffer_get_virtual_address(buf); 527 addr = addr + offset; 528 RVCE_CS(addr >> 32); 529 RVCE_CS(addr); 530 } else { 531 offset += enc->ws->buffer_get_reloc_offset(buf); 532 RVCE_CS(reloc_idx * 4); 533 RVCE_CS(offset); 534 } 535} 536