1/* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12#include "vp8/common/onyxc_int.h" 13#if CONFIG_POSTPROC 14#include "vp8/common/postproc.h" 15#endif 16#include "vp8/common/onyxd.h" 17#include "onyxd_int.h" 18#include "vpx_mem/vpx_mem.h" 19#include "vp8/common/alloccommon.h" 20#include "vp8/common/loopfilter.h" 21#include "vp8/common/swapyv12buffer.h" 22#include "vp8/common/threading.h" 23#include "decoderthreading.h" 24#include <stdio.h> 25#include <assert.h> 26 27#include "vp8/common/quant_common.h" 28#include "./vpx_scale_rtcd.h" 29#include "vpx_scale/vpx_scale.h" 30#include "vp8/common/systemdependent.h" 31#include "vpx_ports/vpx_timer.h" 32#include "detokenize.h" 33#if CONFIG_ERROR_CONCEALMENT 34#include "error_concealment.h" 35#endif 36#if ARCH_ARM 37#include "vpx_ports/arm.h" 38#endif 39 40extern void vp8_init_loop_filter(VP8_COMMON *cm); 41extern void vp8cx_init_de_quantizer(VP8D_COMP *pbi); 42static int get_free_fb (VP8_COMMON *cm); 43static void ref_cnt_fb (int *buf, int *idx, int new_idx); 44 45static void remove_decompressor(VP8D_COMP *pbi) 46{ 47#if CONFIG_ERROR_CONCEALMENT 48 vp8_de_alloc_overlap_lists(pbi); 49#endif 50 vp8_remove_common(&pbi->common); 51 vpx_free(pbi); 52} 53 54static struct VP8D_COMP * create_decompressor(VP8D_CONFIG *oxcf) 55{ 56 VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP)); 57 (void)oxcf; 58 if (!pbi) 59 return NULL; 60 61 vpx_memset(pbi, 0, sizeof(VP8D_COMP)); 62 63 if (setjmp(pbi->common.error.jmp)) 64 { 65 pbi->common.error.setjmp = 0; 66 remove_decompressor(pbi); 67 return 0; 68 } 69 70 pbi->common.error.setjmp = 1; 71 72 vp8_create_common(&pbi->common); 73 74 pbi->common.current_video_frame = 0; 75 pbi->ready_for_new_data = 1; 76 77 /* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid 78 * unnecessary calling of vp8cx_init_de_quantizer() for every frame. 79 */ 80 vp8cx_init_de_quantizer(pbi); 81 82 vp8_loop_filter_init(&pbi->common); 83 84 pbi->common.error.setjmp = 0; 85 86#if CONFIG_ERROR_CONCEALMENT 87 pbi->ec_enabled = oxcf->error_concealment; 88 pbi->overlaps = NULL; 89#else 90 pbi->ec_enabled = 0; 91#endif 92 /* Error concealment is activated after a key frame has been 93 * decoded without errors when error concealment is enabled. 94 */ 95 pbi->ec_active = 0; 96 97 pbi->decoded_key_frame = 0; 98 99 /* Independent partitions is activated when a frame updates the 100 * token probability table to have equal probabilities over the 101 * PREV_COEF context. 102 */ 103 pbi->independent_partitions = 0; 104 105 vp8_setup_block_dptrs(&pbi->mb); 106 107 return pbi; 108} 109 110vpx_codec_err_t vp8dx_get_reference(VP8D_COMP *pbi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd) 111{ 112 VP8_COMMON *cm = &pbi->common; 113 int ref_fb_idx; 114 115 if (ref_frame_flag == VP8_LAST_FRAME) 116 ref_fb_idx = cm->lst_fb_idx; 117 else if (ref_frame_flag == VP8_GOLD_FRAME) 118 ref_fb_idx = cm->gld_fb_idx; 119 else if (ref_frame_flag == VP8_ALTR_FRAME) 120 ref_fb_idx = cm->alt_fb_idx; 121 else{ 122 vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, 123 "Invalid reference frame"); 124 return pbi->common.error.error_code; 125 } 126 127 if(cm->yv12_fb[ref_fb_idx].y_height != sd->y_height || 128 cm->yv12_fb[ref_fb_idx].y_width != sd->y_width || 129 cm->yv12_fb[ref_fb_idx].uv_height != sd->uv_height || 130 cm->yv12_fb[ref_fb_idx].uv_width != sd->uv_width){ 131 vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, 132 "Incorrect buffer dimensions"); 133 } 134 else 135 vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd); 136 137 return pbi->common.error.error_code; 138} 139 140 141vpx_codec_err_t vp8dx_set_reference(VP8D_COMP *pbi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd) 142{ 143 VP8_COMMON *cm = &pbi->common; 144 int *ref_fb_ptr = NULL; 145 int free_fb; 146 147 if (ref_frame_flag == VP8_LAST_FRAME) 148 ref_fb_ptr = &cm->lst_fb_idx; 149 else if (ref_frame_flag == VP8_GOLD_FRAME) 150 ref_fb_ptr = &cm->gld_fb_idx; 151 else if (ref_frame_flag == VP8_ALTR_FRAME) 152 ref_fb_ptr = &cm->alt_fb_idx; 153 else{ 154 vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, 155 "Invalid reference frame"); 156 return pbi->common.error.error_code; 157 } 158 159 if(cm->yv12_fb[*ref_fb_ptr].y_height != sd->y_height || 160 cm->yv12_fb[*ref_fb_ptr].y_width != sd->y_width || 161 cm->yv12_fb[*ref_fb_ptr].uv_height != sd->uv_height || 162 cm->yv12_fb[*ref_fb_ptr].uv_width != sd->uv_width){ 163 vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, 164 "Incorrect buffer dimensions"); 165 } 166 else{ 167 /* Find an empty frame buffer. */ 168 free_fb = get_free_fb(cm); 169 /* Decrease fb_idx_ref_cnt since it will be increased again in 170 * ref_cnt_fb() below. */ 171 cm->fb_idx_ref_cnt[free_fb]--; 172 173 /* Manage the reference counters and copy image. */ 174 ref_cnt_fb (cm->fb_idx_ref_cnt, ref_fb_ptr, free_fb); 175 vp8_yv12_copy_frame(sd, &cm->yv12_fb[*ref_fb_ptr]); 176 } 177 178 return pbi->common.error.error_code; 179} 180 181/*For ARM NEON, d8-d15 are callee-saved registers, and need to be saved by us.*/ 182#if HAVE_NEON 183extern void vp8_push_neon(int64_t *store); 184extern void vp8_pop_neon(int64_t *store); 185#endif 186 187static int get_free_fb (VP8_COMMON *cm) 188{ 189 int i; 190 for (i = 0; i < NUM_YV12_BUFFERS; i++) 191 if (cm->fb_idx_ref_cnt[i] == 0) 192 break; 193 194 assert(i < NUM_YV12_BUFFERS); 195 cm->fb_idx_ref_cnt[i] = 1; 196 return i; 197} 198 199static void ref_cnt_fb (int *buf, int *idx, int new_idx) 200{ 201 if (buf[*idx] > 0) 202 buf[*idx]--; 203 204 *idx = new_idx; 205 206 buf[new_idx]++; 207} 208 209/* If any buffer copy / swapping is signalled it should be done here. */ 210static int swap_frame_buffers (VP8_COMMON *cm) 211{ 212 int err = 0; 213 214 /* The alternate reference frame or golden frame can be updated 215 * using the new, last, or golden/alt ref frame. If it 216 * is updated using the newly decoded frame it is a refresh. 217 * An update using the last or golden/alt ref frame is a copy. 218 */ 219 if (cm->copy_buffer_to_arf) 220 { 221 int new_fb = 0; 222 223 if (cm->copy_buffer_to_arf == 1) 224 new_fb = cm->lst_fb_idx; 225 else if (cm->copy_buffer_to_arf == 2) 226 new_fb = cm->gld_fb_idx; 227 else 228 err = -1; 229 230 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, new_fb); 231 } 232 233 if (cm->copy_buffer_to_gf) 234 { 235 int new_fb = 0; 236 237 if (cm->copy_buffer_to_gf == 1) 238 new_fb = cm->lst_fb_idx; 239 else if (cm->copy_buffer_to_gf == 2) 240 new_fb = cm->alt_fb_idx; 241 else 242 err = -1; 243 244 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, new_fb); 245 } 246 247 if (cm->refresh_golden_frame) 248 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, cm->new_fb_idx); 249 250 if (cm->refresh_alt_ref_frame) 251 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, cm->new_fb_idx); 252 253 if (cm->refresh_last_frame) 254 { 255 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->lst_fb_idx, cm->new_fb_idx); 256 257 cm->frame_to_show = &cm->yv12_fb[cm->lst_fb_idx]; 258 } 259 else 260 cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx]; 261 262 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 263 264 return err; 265} 266 267int check_fragments_for_errors(VP8D_COMP *pbi) 268{ 269 if (!pbi->ec_active && 270 pbi->fragments.count <= 1 && pbi->fragments.sizes[0] == 0) 271 { 272 VP8_COMMON *cm = &pbi->common; 273 274 /* If error concealment is disabled we won't signal missing frames 275 * to the decoder. 276 */ 277 if (cm->fb_idx_ref_cnt[cm->lst_fb_idx] > 1) 278 { 279 /* The last reference shares buffer with another reference 280 * buffer. Move it to its own buffer before setting it as 281 * corrupt, otherwise we will make multiple buffers corrupt. 282 */ 283 const int prev_idx = cm->lst_fb_idx; 284 cm->fb_idx_ref_cnt[prev_idx]--; 285 cm->lst_fb_idx = get_free_fb(cm); 286 vp8_yv12_copy_frame(&cm->yv12_fb[prev_idx], 287 &cm->yv12_fb[cm->lst_fb_idx]); 288 } 289 /* This is used to signal that we are missing frames. 290 * We do not know if the missing frame(s) was supposed to update 291 * any of the reference buffers, but we act conservative and 292 * mark only the last buffer as corrupted. 293 */ 294 cm->yv12_fb[cm->lst_fb_idx].corrupted = 1; 295 296 /* Signal that we have no frame to show. */ 297 cm->show_frame = 0; 298 299 /* Nothing more to do. */ 300 return 0; 301 } 302 303 return 1; 304} 305 306int vp8dx_receive_compressed_data(VP8D_COMP *pbi, size_t size, 307 const uint8_t *source, 308 int64_t time_stamp) 309{ 310#if HAVE_NEON 311 int64_t dx_store_reg[8]; 312#endif 313 VP8_COMMON *cm = &pbi->common; 314 volatile int retcode; 315 316 (void) size; 317 (void) source; 318 pbi->common.error.error_code = VPX_CODEC_OK; 319 320 retcode = check_fragments_for_errors(pbi); 321 if(retcode <= 0) 322 return retcode; 323 324#if HAVE_NEON 325#if CONFIG_RUNTIME_CPU_DETECT 326 if (cm->cpu_caps & HAS_NEON) 327#endif 328 { 329 vp8_push_neon(dx_store_reg); 330 } 331#endif 332 333 cm->new_fb_idx = get_free_fb (cm); 334 335 /* setup reference frames for vp8_decode_frame */ 336 pbi->dec_fb_ref[INTRA_FRAME] = &cm->yv12_fb[cm->new_fb_idx]; 337 pbi->dec_fb_ref[LAST_FRAME] = &cm->yv12_fb[cm->lst_fb_idx]; 338 pbi->dec_fb_ref[GOLDEN_FRAME] = &cm->yv12_fb[cm->gld_fb_idx]; 339 pbi->dec_fb_ref[ALTREF_FRAME] = &cm->yv12_fb[cm->alt_fb_idx]; 340 341 if (setjmp(pbi->common.error.jmp)) 342 { 343 /* We do not know if the missing frame(s) was supposed to update 344 * any of the reference buffers, but we act conservative and 345 * mark only the last buffer as corrupted. 346 */ 347 cm->yv12_fb[cm->lst_fb_idx].corrupted = 1; 348 349 if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) 350 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 351 352 goto decode_exit; 353 } 354 355 pbi->common.error.setjmp = 1; 356 357 retcode = vp8_decode_frame(pbi); 358 359 if (retcode < 0) 360 { 361 if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) 362 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 363 364 pbi->common.error.error_code = VPX_CODEC_ERROR; 365 goto decode_exit; 366 } 367 368 if (swap_frame_buffers (cm)) 369 { 370 pbi->common.error.error_code = VPX_CODEC_ERROR; 371 goto decode_exit; 372 } 373 374 vp8_clear_system_state(); 375 376 if (cm->show_frame) 377 { 378 cm->current_video_frame++; 379 cm->show_frame_mi = cm->mi; 380 } 381 382 #if CONFIG_ERROR_CONCEALMENT 383 /* swap the mode infos to storage for future error concealment */ 384 if (pbi->ec_enabled && pbi->common.prev_mi) 385 { 386 MODE_INFO* tmp = pbi->common.prev_mi; 387 int row, col; 388 pbi->common.prev_mi = pbi->common.mi; 389 pbi->common.mi = tmp; 390 391 /* Propagate the segment_ids to the next frame */ 392 for (row = 0; row < pbi->common.mb_rows; ++row) 393 { 394 for (col = 0; col < pbi->common.mb_cols; ++col) 395 { 396 const int i = row*pbi->common.mode_info_stride + col; 397 pbi->common.mi[i].mbmi.segment_id = 398 pbi->common.prev_mi[i].mbmi.segment_id; 399 } 400 } 401 } 402#endif 403 404 pbi->ready_for_new_data = 0; 405 pbi->last_time_stamp = time_stamp; 406 407decode_exit: 408#if HAVE_NEON 409#if CONFIG_RUNTIME_CPU_DETECT 410 if (cm->cpu_caps & HAS_NEON) 411#endif 412 { 413 vp8_pop_neon(dx_store_reg); 414 } 415#endif 416 417 pbi->common.error.setjmp = 0; 418 return retcode; 419} 420int vp8dx_get_raw_frame(VP8D_COMP *pbi, YV12_BUFFER_CONFIG *sd, int64_t *time_stamp, int64_t *time_end_stamp, vp8_ppflags_t *flags) 421{ 422 int ret = -1; 423 424 if (pbi->ready_for_new_data == 1) 425 return ret; 426 427 /* ie no raw frame to show!!! */ 428 if (pbi->common.show_frame == 0) 429 return ret; 430 431 pbi->ready_for_new_data = 1; 432 *time_stamp = pbi->last_time_stamp; 433 *time_end_stamp = 0; 434 435#if CONFIG_POSTPROC 436 ret = vp8_post_proc_frame(&pbi->common, sd, flags); 437#else 438 439 if (pbi->common.frame_to_show) 440 { 441 *sd = *pbi->common.frame_to_show; 442 sd->y_width = pbi->common.Width; 443 sd->y_height = pbi->common.Height; 444 sd->uv_height = pbi->common.Height / 2; 445 ret = 0; 446 } 447 else 448 { 449 ret = -1; 450 } 451 452#endif /*!CONFIG_POSTPROC*/ 453 vp8_clear_system_state(); 454 return ret; 455} 456 457 458/* This function as written isn't decoder specific, but the encoder has 459 * much faster ways of computing this, so it's ok for it to live in a 460 * decode specific file. 461 */ 462int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame ) 463{ 464 const MODE_INFO *mi = oci->mi; 465 int mb_row, mb_col; 466 467 for (mb_row = 0; mb_row < oci->mb_rows; mb_row++) 468 { 469 for (mb_col = 0; mb_col < oci->mb_cols; mb_col++,mi++) 470 { 471 if( mi->mbmi.ref_frame == ref_frame) 472 return 1; 473 } 474 mi++; 475 } 476 return 0; 477 478} 479 480int vp8_create_decoder_instances(struct frame_buffers *fb, VP8D_CONFIG *oxcf) 481{ 482 if(!fb->use_frame_threads) 483 { 484 /* decoder instance for single thread mode */ 485 fb->pbi[0] = create_decompressor(oxcf); 486 if(!fb->pbi[0]) 487 return VPX_CODEC_ERROR; 488 489#if CONFIG_MULTITHREAD 490 /* enable row-based threading only when use_frame_threads 491 * is disabled */ 492 fb->pbi[0]->max_threads = oxcf->max_threads; 493 vp8_decoder_create_threads(fb->pbi[0]); 494#endif 495 } 496 else 497 { 498 /* TODO : create frame threads and decoder instances for each 499 * thread here */ 500 } 501 502 return VPX_CODEC_OK; 503} 504 505int vp8_remove_decoder_instances(struct frame_buffers *fb) 506{ 507 if(!fb->use_frame_threads) 508 { 509 VP8D_COMP *pbi = fb->pbi[0]; 510 511 if (!pbi) 512 return VPX_CODEC_ERROR; 513#if CONFIG_MULTITHREAD 514 if (pbi->b_multithreaded_rd) 515 vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows); 516 vp8_decoder_remove_threads(pbi); 517#endif 518 519 /* decoder instance for single thread mode */ 520 remove_decompressor(pbi); 521 } 522 else 523 { 524 /* TODO : remove frame threads and decoder instances for each 525 * thread here */ 526 } 527 528 return VPX_CODEC_OK; 529} 530