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/vpxscale.h" 29#include "vp8/common/systemdependent.h" 30#include "vpx_ports/vpx_timer.h" 31#include "detokenize.h" 32#if CONFIG_ERROR_CONCEALMENT 33#include "error_concealment.h" 34#endif 35#if ARCH_ARM 36#include "vpx_ports/arm.h" 37#endif 38 39extern void vp8_init_loop_filter(VP8_COMMON *cm); 40extern void vp8cx_init_de_quantizer(VP8D_COMP *pbi); 41static int get_free_fb (VP8_COMMON *cm); 42static void ref_cnt_fb (int *buf, int *idx, int new_idx); 43 44struct VP8D_COMP * vp8dx_create_decompressor(VP8D_CONFIG *oxcf) 45{ 46 VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP)); 47 48 if (!pbi) 49 return NULL; 50 51 vpx_memset(pbi, 0, sizeof(VP8D_COMP)); 52 53 if (setjmp(pbi->common.error.jmp)) 54 { 55 pbi->common.error.setjmp = 0; 56 vp8dx_remove_decompressor(pbi); 57 return 0; 58 } 59 60 pbi->common.error.setjmp = 1; 61 62 vp8_create_common(&pbi->common); 63 64 pbi->common.current_video_frame = 0; 65 pbi->ready_for_new_data = 1; 66 67#if CONFIG_MULTITHREAD 68 pbi->max_threads = oxcf->max_threads; 69 vp8_decoder_create_threads(pbi); 70#endif 71 72 /* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid 73 * unnecessary calling of vp8cx_init_de_quantizer() for every frame. 74 */ 75 vp8cx_init_de_quantizer(pbi); 76 77 vp8_loop_filter_init(&pbi->common); 78 79 pbi->common.error.setjmp = 0; 80 81#if CONFIG_ERROR_CONCEALMENT 82 pbi->ec_enabled = oxcf->error_concealment; 83 pbi->overlaps = NULL; 84#else 85 pbi->ec_enabled = 0; 86#endif 87 /* Error concealment is activated after a key frame has been 88 * decoded without errors when error concealment is enabled. 89 */ 90 pbi->ec_active = 0; 91 92 pbi->decoded_key_frame = 0; 93 94 pbi->input_fragments = oxcf->input_fragments; 95 pbi->num_fragments = 0; 96 97 /* Independent partitions is activated when a frame updates the 98 * token probability table to have equal probabilities over the 99 * PREV_COEF context. 100 */ 101 pbi->independent_partitions = 0; 102 103 vp8_setup_block_dptrs(&pbi->mb); 104 105 return pbi; 106} 107 108 109void vp8dx_remove_decompressor(VP8D_COMP *pbi) 110{ 111 if (!pbi) 112 return; 113 114#if CONFIG_MULTITHREAD 115 if (pbi->b_multithreaded_rd) 116 vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows); 117 vp8_decoder_remove_threads(pbi); 118#endif 119#if CONFIG_ERROR_CONCEALMENT 120 vp8_de_alloc_overlap_lists(pbi); 121#endif 122 vp8_remove_common(&pbi->common); 123 vpx_free(pbi); 124} 125 126 127vpx_codec_err_t vp8dx_get_reference(VP8D_COMP *pbi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd) 128{ 129 VP8_COMMON *cm = &pbi->common; 130 int ref_fb_idx; 131 132 if (ref_frame_flag == VP8_LAST_FRAME) 133 ref_fb_idx = cm->lst_fb_idx; 134 else if (ref_frame_flag == VP8_GOLD_FRAME) 135 ref_fb_idx = cm->gld_fb_idx; 136 else if (ref_frame_flag == VP8_ALTR_FRAME) 137 ref_fb_idx = cm->alt_fb_idx; 138 else{ 139 vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, 140 "Invalid reference frame"); 141 return pbi->common.error.error_code; 142 } 143 144 if(cm->yv12_fb[ref_fb_idx].y_height != sd->y_height || 145 cm->yv12_fb[ref_fb_idx].y_width != sd->y_width || 146 cm->yv12_fb[ref_fb_idx].uv_height != sd->uv_height || 147 cm->yv12_fb[ref_fb_idx].uv_width != sd->uv_width){ 148 vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, 149 "Incorrect buffer dimensions"); 150 } 151 else 152 vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd); 153 154 return pbi->common.error.error_code; 155} 156 157 158vpx_codec_err_t vp8dx_set_reference(VP8D_COMP *pbi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd) 159{ 160 VP8_COMMON *cm = &pbi->common; 161 int *ref_fb_ptr = NULL; 162 int free_fb; 163 164 if (ref_frame_flag == VP8_LAST_FRAME) 165 ref_fb_ptr = &cm->lst_fb_idx; 166 else if (ref_frame_flag == VP8_GOLD_FRAME) 167 ref_fb_ptr = &cm->gld_fb_idx; 168 else if (ref_frame_flag == VP8_ALTR_FRAME) 169 ref_fb_ptr = &cm->alt_fb_idx; 170 else{ 171 vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, 172 "Invalid reference frame"); 173 return pbi->common.error.error_code; 174 } 175 176 if(cm->yv12_fb[*ref_fb_ptr].y_height != sd->y_height || 177 cm->yv12_fb[*ref_fb_ptr].y_width != sd->y_width || 178 cm->yv12_fb[*ref_fb_ptr].uv_height != sd->uv_height || 179 cm->yv12_fb[*ref_fb_ptr].uv_width != sd->uv_width){ 180 vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, 181 "Incorrect buffer dimensions"); 182 } 183 else{ 184 /* Find an empty frame buffer. */ 185 free_fb = get_free_fb(cm); 186 /* Decrease fb_idx_ref_cnt since it will be increased again in 187 * ref_cnt_fb() below. */ 188 cm->fb_idx_ref_cnt[free_fb]--; 189 190 /* Manage the reference counters and copy image. */ 191 ref_cnt_fb (cm->fb_idx_ref_cnt, ref_fb_ptr, free_fb); 192 vp8_yv12_copy_frame(sd, &cm->yv12_fb[*ref_fb_ptr]); 193 } 194 195 return pbi->common.error.error_code; 196} 197 198/*For ARM NEON, d8-d15 are callee-saved registers, and need to be saved by us.*/ 199#if HAVE_NEON 200extern void vp8_push_neon(int64_t *store); 201extern void vp8_pop_neon(int64_t *store); 202#endif 203 204static int get_free_fb (VP8_COMMON *cm) 205{ 206 int i; 207 for (i = 0; i < NUM_YV12_BUFFERS; i++) 208 if (cm->fb_idx_ref_cnt[i] == 0) 209 break; 210 211 assert(i < NUM_YV12_BUFFERS); 212 cm->fb_idx_ref_cnt[i] = 1; 213 return i; 214} 215 216static void ref_cnt_fb (int *buf, int *idx, int new_idx) 217{ 218 if (buf[*idx] > 0) 219 buf[*idx]--; 220 221 *idx = new_idx; 222 223 buf[new_idx]++; 224} 225 226/* If any buffer copy / swapping is signalled it should be done here. */ 227static int swap_frame_buffers (VP8_COMMON *cm) 228{ 229 int err = 0; 230 231 /* The alternate reference frame or golden frame can be updated 232 * using the new, last, or golden/alt ref frame. If it 233 * is updated using the newly decoded frame it is a refresh. 234 * An update using the last or golden/alt ref frame is a copy. 235 */ 236 if (cm->copy_buffer_to_arf) 237 { 238 int new_fb = 0; 239 240 if (cm->copy_buffer_to_arf == 1) 241 new_fb = cm->lst_fb_idx; 242 else if (cm->copy_buffer_to_arf == 2) 243 new_fb = cm->gld_fb_idx; 244 else 245 err = -1; 246 247 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, new_fb); 248 } 249 250 if (cm->copy_buffer_to_gf) 251 { 252 int new_fb = 0; 253 254 if (cm->copy_buffer_to_gf == 1) 255 new_fb = cm->lst_fb_idx; 256 else if (cm->copy_buffer_to_gf == 2) 257 new_fb = cm->alt_fb_idx; 258 else 259 err = -1; 260 261 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, new_fb); 262 } 263 264 if (cm->refresh_golden_frame) 265 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, cm->new_fb_idx); 266 267 if (cm->refresh_alt_ref_frame) 268 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, cm->new_fb_idx); 269 270 if (cm->refresh_last_frame) 271 { 272 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->lst_fb_idx, cm->new_fb_idx); 273 274 cm->frame_to_show = &cm->yv12_fb[cm->lst_fb_idx]; 275 } 276 else 277 cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx]; 278 279 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 280 281 return err; 282} 283 284int vp8dx_receive_compressed_data(VP8D_COMP *pbi, size_t size, 285 const uint8_t *source, 286 int64_t time_stamp) 287{ 288#if HAVE_NEON 289 int64_t dx_store_reg[8]; 290#endif 291 VP8_COMMON *cm = &pbi->common; 292 int retcode = -1; 293 294 pbi->common.error.error_code = VPX_CODEC_OK; 295 296 if (pbi->num_fragments == 0) 297 { 298 /* New frame, reset fragment pointers and sizes */ 299 vpx_memset((void*)pbi->fragments, 0, sizeof(pbi->fragments)); 300 vpx_memset(pbi->fragment_sizes, 0, sizeof(pbi->fragment_sizes)); 301 } 302 if (pbi->input_fragments && !(source == NULL && size == 0)) 303 { 304 /* Store a pointer to this fragment and return. We haven't 305 * received the complete frame yet, so we will wait with decoding. 306 */ 307 assert(pbi->num_fragments < MAX_PARTITIONS); 308 pbi->fragments[pbi->num_fragments] = source; 309 pbi->fragment_sizes[pbi->num_fragments] = size; 310 pbi->num_fragments++; 311 if (pbi->num_fragments > (1 << EIGHT_PARTITION) + 1) 312 { 313 pbi->common.error.error_code = VPX_CODEC_UNSUP_BITSTREAM; 314 pbi->common.error.setjmp = 0; 315 pbi->num_fragments = 0; 316 return -1; 317 } 318 return 0; 319 } 320 321 if (!pbi->input_fragments) 322 { 323 pbi->fragments[0] = source; 324 pbi->fragment_sizes[0] = size; 325 pbi->num_fragments = 1; 326 } 327 assert(pbi->common.multi_token_partition <= EIGHT_PARTITION); 328 if (pbi->num_fragments == 0) 329 { 330 pbi->num_fragments = 1; 331 pbi->fragments[0] = NULL; 332 pbi->fragment_sizes[0] = 0; 333 } 334 335 if (!pbi->ec_active && 336 pbi->num_fragments <= 1 && pbi->fragment_sizes[0] == 0) 337 { 338 /* If error concealment is disabled we won't signal missing frames 339 * to the decoder. 340 */ 341 if (cm->fb_idx_ref_cnt[cm->lst_fb_idx] > 1) 342 { 343 /* The last reference shares buffer with another reference 344 * buffer. Move it to its own buffer before setting it as 345 * corrupt, otherwise we will make multiple buffers corrupt. 346 */ 347 const int prev_idx = cm->lst_fb_idx; 348 cm->fb_idx_ref_cnt[prev_idx]--; 349 cm->lst_fb_idx = get_free_fb(cm); 350 vp8_yv12_copy_frame(&cm->yv12_fb[prev_idx], 351 &cm->yv12_fb[cm->lst_fb_idx]); 352 } 353 /* This is used to signal that we are missing frames. 354 * We do not know if the missing frame(s) was supposed to update 355 * any of the reference buffers, but we act conservative and 356 * mark only the last buffer as corrupted. 357 */ 358 cm->yv12_fb[cm->lst_fb_idx].corrupted = 1; 359 360 /* Signal that we have no frame to show. */ 361 cm->show_frame = 0; 362 363 pbi->num_fragments = 0; 364 365 /* Nothing more to do. */ 366 return 0; 367 } 368 369#if HAVE_NEON 370#if CONFIG_RUNTIME_CPU_DETECT 371 if (cm->cpu_caps & HAS_NEON) 372#endif 373 { 374 vp8_push_neon(dx_store_reg); 375 } 376#endif 377 378 cm->new_fb_idx = get_free_fb (cm); 379 380 /* setup reference frames for vp8_decode_frame */ 381 pbi->dec_fb_ref[INTRA_FRAME] = &cm->yv12_fb[cm->new_fb_idx]; 382 pbi->dec_fb_ref[LAST_FRAME] = &cm->yv12_fb[cm->lst_fb_idx]; 383 pbi->dec_fb_ref[GOLDEN_FRAME] = &cm->yv12_fb[cm->gld_fb_idx]; 384 pbi->dec_fb_ref[ALTREF_FRAME] = &cm->yv12_fb[cm->alt_fb_idx]; 385 386 if (setjmp(pbi->common.error.jmp)) 387 { 388 /* We do not know if the missing frame(s) was supposed to update 389 * any of the reference buffers, but we act conservative and 390 * mark only the last buffer as corrupted. 391 */ 392 cm->yv12_fb[cm->lst_fb_idx].corrupted = 1; 393 394 if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) 395 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 396 397 goto decode_exit; 398 } 399 400 pbi->common.error.setjmp = 1; 401 402 retcode = vp8_decode_frame(pbi); 403 404 if (retcode < 0) 405 { 406 if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) 407 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 408 409 pbi->common.error.error_code = VPX_CODEC_ERROR; 410 goto decode_exit; 411 } 412 413 if (swap_frame_buffers (cm)) 414 { 415 pbi->common.error.error_code = VPX_CODEC_ERROR; 416 goto decode_exit; 417 } 418 419 vp8_clear_system_state(); 420 421#if CONFIG_ERROR_CONCEALMENT 422 /* swap the mode infos to storage for future error concealment */ 423 if (pbi->ec_enabled && pbi->common.prev_mi) 424 { 425 MODE_INFO* tmp = pbi->common.prev_mi; 426 int row, col; 427 pbi->common.prev_mi = pbi->common.mi; 428 pbi->common.mi = tmp; 429 430 /* Propagate the segment_ids to the next frame */ 431 for (row = 0; row < pbi->common.mb_rows; ++row) 432 { 433 for (col = 0; col < pbi->common.mb_cols; ++col) 434 { 435 const int i = row*pbi->common.mode_info_stride + col; 436 pbi->common.mi[i].mbmi.segment_id = 437 pbi->common.prev_mi[i].mbmi.segment_id; 438 } 439 } 440 } 441#endif 442 443 if (cm->show_frame) 444 cm->current_video_frame++; 445 446 pbi->ready_for_new_data = 0; 447 pbi->last_time_stamp = time_stamp; 448 449decode_exit: 450#if HAVE_NEON 451#if CONFIG_RUNTIME_CPU_DETECT 452 if (cm->cpu_caps & HAS_NEON) 453#endif 454 { 455 vp8_pop_neon(dx_store_reg); 456 } 457#endif 458 459 pbi->common.error.setjmp = 0; 460 pbi->num_fragments = 0; 461 return retcode; 462} 463int vp8dx_get_raw_frame(VP8D_COMP *pbi, YV12_BUFFER_CONFIG *sd, int64_t *time_stamp, int64_t *time_end_stamp, vp8_ppflags_t *flags) 464{ 465 int ret = -1; 466 467 if (pbi->ready_for_new_data == 1) 468 return ret; 469 470 /* ie no raw frame to show!!! */ 471 if (pbi->common.show_frame == 0) 472 return ret; 473 474 pbi->ready_for_new_data = 1; 475 *time_stamp = pbi->last_time_stamp; 476 *time_end_stamp = 0; 477 478 sd->clrtype = pbi->common.clr_type; 479#if CONFIG_POSTPROC 480 ret = vp8_post_proc_frame(&pbi->common, sd, flags); 481#else 482 483 if (pbi->common.frame_to_show) 484 { 485 *sd = *pbi->common.frame_to_show; 486 sd->y_width = pbi->common.Width; 487 sd->y_height = pbi->common.Height; 488 sd->uv_height = pbi->common.Height / 2; 489 ret = 0; 490 } 491 else 492 { 493 ret = -1; 494 } 495 496#endif /*!CONFIG_POSTPROC*/ 497 vp8_clear_system_state(); 498 return ret; 499} 500 501 502/* This function as written isn't decoder specific, but the encoder has 503 * much faster ways of computing this, so it's ok for it to live in a 504 * decode specific file. 505 */ 506int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame ) 507{ 508 const MODE_INFO *mi = oci->mi; 509 int mb_row, mb_col; 510 511 for (mb_row = 0; mb_row < oci->mb_rows; mb_row++) 512 { 513 for (mb_col = 0; mb_col < oci->mb_cols; mb_col++,mi++) 514 { 515 if( mi->mbmi.ref_frame == ref_frame) 516 return 1; 517 } 518 mi++; 519 } 520 return 0; 521 522} 523