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 40 extern void vp8_init_loop_filter(VP8_COMMON *cm); 41 extern void vp8cx_init_de_quantizer(VP8D_COMP *pbi); 42 static int get_free_fb (VP8_COMMON *cm); 43 static void ref_cnt_fb (int *buf, int *idx, int new_idx); 44 45 static 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 54 static struct VP8D_COMP * create_decompressor(VP8D_CONFIG *oxcf) 55 { 56 VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP)); 57 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 } 109 110 vpx_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 } 139 140 141 vpx_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 183 extern void vp8_push_neon(int64_t *store); 184 extern void vp8_pop_neon(int64_t *store); 185 #endif 186 187 static 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 } 198 199 static 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. */ 210 static 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 } 266 267 int 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 } 305 306 int 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 int retcode = -1; 315 316 pbi->common.error.error_code = VPX_CODEC_OK; 317 318 retcode = check_fragments_for_errors(pbi); 319 if(retcode <= 0) 320 return retcode; 321 322 #if HAVE_NEON 323 #if CONFIG_RUNTIME_CPU_DETECT 324 if (cm->cpu_caps & HAS_NEON) 325 #endif 326 { 327 vp8_push_neon(dx_store_reg); 328 } 329 #endif 330 331 cm->new_fb_idx = get_free_fb (cm); 332 333 /* setup reference frames for vp8_decode_frame */ 334 pbi->dec_fb_ref[INTRA_FRAME] = &cm->yv12_fb[cm->new_fb_idx]; 335 pbi->dec_fb_ref[LAST_FRAME] = &cm->yv12_fb[cm->lst_fb_idx]; 336 pbi->dec_fb_ref[GOLDEN_FRAME] = &cm->yv12_fb[cm->gld_fb_idx]; 337 pbi->dec_fb_ref[ALTREF_FRAME] = &cm->yv12_fb[cm->alt_fb_idx]; 338 339 if (setjmp(pbi->common.error.jmp)) 340 { 341 /* We do not know if the missing frame(s) was supposed to update 342 * any of the reference buffers, but we act conservative and 343 * mark only the last buffer as corrupted. 344 */ 345 cm->yv12_fb[cm->lst_fb_idx].corrupted = 1; 346 347 if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) 348 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 349 350 goto decode_exit; 351 } 352 353 pbi->common.error.setjmp = 1; 354 355 retcode = vp8_decode_frame(pbi); 356 357 if (retcode < 0) 358 { 359 if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) 360 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 361 362 pbi->common.error.error_code = VPX_CODEC_ERROR; 363 goto decode_exit; 364 } 365 366 if (swap_frame_buffers (cm)) 367 { 368 pbi->common.error.error_code = VPX_CODEC_ERROR; 369 goto decode_exit; 370 } 371 372 vp8_clear_system_state(); 373 374 if (cm->show_frame) 375 { 376 cm->current_video_frame++; 377 cm->show_frame_mi = cm->mi; 378 } 379 380 #if CONFIG_ERROR_CONCEALMENT 381 /* swap the mode infos to storage for future error concealment */ 382 if (pbi->ec_enabled && pbi->common.prev_mi) 383 { 384 MODE_INFO* tmp = pbi->common.prev_mi; 385 int row, col; 386 pbi->common.prev_mi = pbi->common.mi; 387 pbi->common.mi = tmp; 388 389 /* Propagate the segment_ids to the next frame */ 390 for (row = 0; row < pbi->common.mb_rows; ++row) 391 { 392 for (col = 0; col < pbi->common.mb_cols; ++col) 393 { 394 const int i = row*pbi->common.mode_info_stride + col; 395 pbi->common.mi[i].mbmi.segment_id = 396 pbi->common.prev_mi[i].mbmi.segment_id; 397 } 398 } 399 } 400 #endif 401 402 pbi->ready_for_new_data = 0; 403 pbi->last_time_stamp = time_stamp; 404 405 decode_exit: 406 #if HAVE_NEON 407 #if CONFIG_RUNTIME_CPU_DETECT 408 if (cm->cpu_caps & HAS_NEON) 409 #endif 410 { 411 vp8_pop_neon(dx_store_reg); 412 } 413 #endif 414 415 pbi->common.error.setjmp = 0; 416 return retcode; 417 } 418 int vp8dx_get_raw_frame(VP8D_COMP *pbi, YV12_BUFFER_CONFIG *sd, int64_t *time_stamp, int64_t *time_end_stamp, vp8_ppflags_t *flags) 419 { 420 int ret = -1; 421 422 if (pbi->ready_for_new_data == 1) 423 return ret; 424 425 /* ie no raw frame to show!!! */ 426 if (pbi->common.show_frame == 0) 427 return ret; 428 429 pbi->ready_for_new_data = 1; 430 *time_stamp = pbi->last_time_stamp; 431 *time_end_stamp = 0; 432 433 #if CONFIG_POSTPROC 434 ret = vp8_post_proc_frame(&pbi->common, sd, flags); 435 #else 436 437 if (pbi->common.frame_to_show) 438 { 439 *sd = *pbi->common.frame_to_show; 440 sd->y_width = pbi->common.Width; 441 sd->y_height = pbi->common.Height; 442 sd->uv_height = pbi->common.Height / 2; 443 ret = 0; 444 } 445 else 446 { 447 ret = -1; 448 } 449 450 #endif /*!CONFIG_POSTPROC*/ 451 vp8_clear_system_state(); 452 return ret; 453 } 454 455 456 /* This function as written isn't decoder specific, but the encoder has 457 * much faster ways of computing this, so it's ok for it to live in a 458 * decode specific file. 459 */ 460 int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame ) 461 { 462 const MODE_INFO *mi = oci->mi; 463 int mb_row, mb_col; 464 465 for (mb_row = 0; mb_row < oci->mb_rows; mb_row++) 466 { 467 for (mb_col = 0; mb_col < oci->mb_cols; mb_col++,mi++) 468 { 469 if( mi->mbmi.ref_frame == ref_frame) 470 return 1; 471 } 472 mi++; 473 } 474 return 0; 475 476 } 477 478 int vp8_create_decoder_instances(struct frame_buffers *fb, VP8D_CONFIG *oxcf) 479 { 480 if(!fb->use_frame_threads) 481 { 482 /* decoder instance for single thread mode */ 483 fb->pbi[0] = create_decompressor(oxcf); 484 if(!fb->pbi[0]) 485 return VPX_CODEC_ERROR; 486 487 #if CONFIG_MULTITHREAD 488 /* enable row-based threading only when use_frame_threads 489 * is disabled */ 490 fb->pbi[0]->max_threads = oxcf->max_threads; 491 vp8_decoder_create_threads(fb->pbi[0]); 492 #endif 493 } 494 else 495 { 496 /* TODO : create frame threads and decoder instances for each 497 * thread here */ 498 } 499 500 return VPX_CODEC_OK; 501 } 502 503 int vp8_remove_decoder_instances(struct frame_buffers *fb) 504 { 505 if(!fb->use_frame_threads) 506 { 507 VP8D_COMP *pbi = fb->pbi[0]; 508 509 if (!pbi) 510 return VPX_CODEC_ERROR; 511 #if CONFIG_MULTITHREAD 512 if (pbi->b_multithreaded_rd) 513 vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows); 514 vp8_decoder_remove_threads(pbi); 515 #endif 516 517 /* decoder instance for single thread mode */ 518 remove_decompressor(pbi); 519 } 520 else 521 { 522 /* TODO : remove frame threads and decoder instances for each 523 * thread here */ 524 } 525 526 return VPX_CODEC_OK; 527 } 528
