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 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 181static int get_free_fb (VP8_COMMON *cm) 182{ 183 int i; 184 for (i = 0; i < NUM_YV12_BUFFERS; i++) 185 if (cm->fb_idx_ref_cnt[i] == 0) 186 break; 187 188 assert(i < NUM_YV12_BUFFERS); 189 cm->fb_idx_ref_cnt[i] = 1; 190 return i; 191} 192 193static void ref_cnt_fb (int *buf, int *idx, int new_idx) 194{ 195 if (buf[*idx] > 0) 196 buf[*idx]--; 197 198 *idx = new_idx; 199 200 buf[new_idx]++; 201} 202 203/* If any buffer copy / swapping is signalled it should be done here. */ 204static int swap_frame_buffers (VP8_COMMON *cm) 205{ 206 int err = 0; 207 208 /* The alternate reference frame or golden frame can be updated 209 * using the new, last, or golden/alt ref frame. If it 210 * is updated using the newly decoded frame it is a refresh. 211 * An update using the last or golden/alt ref frame is a copy. 212 */ 213 if (cm->copy_buffer_to_arf) 214 { 215 int new_fb = 0; 216 217 if (cm->copy_buffer_to_arf == 1) 218 new_fb = cm->lst_fb_idx; 219 else if (cm->copy_buffer_to_arf == 2) 220 new_fb = cm->gld_fb_idx; 221 else 222 err = -1; 223 224 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, new_fb); 225 } 226 227 if (cm->copy_buffer_to_gf) 228 { 229 int new_fb = 0; 230 231 if (cm->copy_buffer_to_gf == 1) 232 new_fb = cm->lst_fb_idx; 233 else if (cm->copy_buffer_to_gf == 2) 234 new_fb = cm->alt_fb_idx; 235 else 236 err = -1; 237 238 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, new_fb); 239 } 240 241 if (cm->refresh_golden_frame) 242 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, cm->new_fb_idx); 243 244 if (cm->refresh_alt_ref_frame) 245 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, cm->new_fb_idx); 246 247 if (cm->refresh_last_frame) 248 { 249 ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->lst_fb_idx, cm->new_fb_idx); 250 251 cm->frame_to_show = &cm->yv12_fb[cm->lst_fb_idx]; 252 } 253 else 254 cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx]; 255 256 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 257 258 return err; 259} 260 261int check_fragments_for_errors(VP8D_COMP *pbi) 262{ 263 if (!pbi->ec_active && 264 pbi->fragments.count <= 1 && pbi->fragments.sizes[0] == 0) 265 { 266 VP8_COMMON *cm = &pbi->common; 267 268 /* If error concealment is disabled we won't signal missing frames 269 * to the decoder. 270 */ 271 if (cm->fb_idx_ref_cnt[cm->lst_fb_idx] > 1) 272 { 273 /* The last reference shares buffer with another reference 274 * buffer. Move it to its own buffer before setting it as 275 * corrupt, otherwise we will make multiple buffers corrupt. 276 */ 277 const int prev_idx = cm->lst_fb_idx; 278 cm->fb_idx_ref_cnt[prev_idx]--; 279 cm->lst_fb_idx = get_free_fb(cm); 280 vp8_yv12_copy_frame(&cm->yv12_fb[prev_idx], 281 &cm->yv12_fb[cm->lst_fb_idx]); 282 } 283 /* This is used to signal that we are missing frames. 284 * We do not know if the missing frame(s) was supposed to update 285 * any of the reference buffers, but we act conservative and 286 * mark only the last buffer as corrupted. 287 */ 288 cm->yv12_fb[cm->lst_fb_idx].corrupted = 1; 289 290 /* Signal that we have no frame to show. */ 291 cm->show_frame = 0; 292 293 /* Nothing more to do. */ 294 return 0; 295 } 296 297 return 1; 298} 299 300int vp8dx_receive_compressed_data(VP8D_COMP *pbi, size_t size, 301 const uint8_t *source, 302 int64_t time_stamp) 303{ 304 VP8_COMMON *cm = &pbi->common; 305 int retcode = -1; 306 307 pbi->common.error.error_code = VPX_CODEC_OK; 308 309 retcode = check_fragments_for_errors(pbi); 310 if(retcode <= 0) 311 return retcode; 312 313 cm->new_fb_idx = get_free_fb (cm); 314 315 /* setup reference frames for vp8_decode_frame */ 316 pbi->dec_fb_ref[INTRA_FRAME] = &cm->yv12_fb[cm->new_fb_idx]; 317 pbi->dec_fb_ref[LAST_FRAME] = &cm->yv12_fb[cm->lst_fb_idx]; 318 pbi->dec_fb_ref[GOLDEN_FRAME] = &cm->yv12_fb[cm->gld_fb_idx]; 319 pbi->dec_fb_ref[ALTREF_FRAME] = &cm->yv12_fb[cm->alt_fb_idx]; 320 321 if (setjmp(pbi->common.error.jmp)) 322 { 323 /* We do not know if the missing frame(s) was supposed to update 324 * any of the reference buffers, but we act conservative and 325 * mark only the last buffer as corrupted. 326 */ 327 cm->yv12_fb[cm->lst_fb_idx].corrupted = 1; 328 329 if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) 330 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 331 332 goto decode_exit; 333 } 334 335 pbi->common.error.setjmp = 1; 336 337 retcode = vp8_decode_frame(pbi); 338 339 if (retcode < 0) 340 { 341 if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) 342 cm->fb_idx_ref_cnt[cm->new_fb_idx]--; 343 344 pbi->common.error.error_code = VPX_CODEC_ERROR; 345 goto decode_exit; 346 } 347 348 if (swap_frame_buffers (cm)) 349 { 350 pbi->common.error.error_code = VPX_CODEC_ERROR; 351 goto decode_exit; 352 } 353 354 vp8_clear_system_state(); 355 356 if (cm->show_frame) 357 { 358 cm->current_video_frame++; 359 cm->show_frame_mi = cm->mi; 360 } 361 362 #if CONFIG_ERROR_CONCEALMENT 363 /* swap the mode infos to storage for future error concealment */ 364 if (pbi->ec_enabled && pbi->common.prev_mi) 365 { 366 MODE_INFO* tmp = pbi->common.prev_mi; 367 int row, col; 368 pbi->common.prev_mi = pbi->common.mi; 369 pbi->common.mi = tmp; 370 371 /* Propagate the segment_ids to the next frame */ 372 for (row = 0; row < pbi->common.mb_rows; ++row) 373 { 374 for (col = 0; col < pbi->common.mb_cols; ++col) 375 { 376 const int i = row*pbi->common.mode_info_stride + col; 377 pbi->common.mi[i].mbmi.segment_id = 378 pbi->common.prev_mi[i].mbmi.segment_id; 379 } 380 } 381 } 382#endif 383 384 pbi->ready_for_new_data = 0; 385 pbi->last_time_stamp = time_stamp; 386 387decode_exit: 388 pbi->common.error.setjmp = 0; 389 vp8_clear_system_state(); 390 return retcode; 391} 392int vp8dx_get_raw_frame(VP8D_COMP *pbi, YV12_BUFFER_CONFIG *sd, int64_t *time_stamp, int64_t *time_end_stamp, vp8_ppflags_t *flags) 393{ 394 int ret = -1; 395 396 if (pbi->ready_for_new_data == 1) 397 return ret; 398 399 /* ie no raw frame to show!!! */ 400 if (pbi->common.show_frame == 0) 401 return ret; 402 403 pbi->ready_for_new_data = 1; 404 *time_stamp = pbi->last_time_stamp; 405 *time_end_stamp = 0; 406 407#if CONFIG_POSTPROC 408 ret = vp8_post_proc_frame(&pbi->common, sd, flags); 409#else 410 411 if (pbi->common.frame_to_show) 412 { 413 *sd = *pbi->common.frame_to_show; 414 sd->y_width = pbi->common.Width; 415 sd->y_height = pbi->common.Height; 416 sd->uv_height = pbi->common.Height / 2; 417 ret = 0; 418 } 419 else 420 { 421 ret = -1; 422 } 423 424#endif /*!CONFIG_POSTPROC*/ 425 vp8_clear_system_state(); 426 return ret; 427} 428 429 430/* This function as written isn't decoder specific, but the encoder has 431 * much faster ways of computing this, so it's ok for it to live in a 432 * decode specific file. 433 */ 434int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame ) 435{ 436 const MODE_INFO *mi = oci->mi; 437 int mb_row, mb_col; 438 439 for (mb_row = 0; mb_row < oci->mb_rows; mb_row++) 440 { 441 for (mb_col = 0; mb_col < oci->mb_cols; mb_col++,mi++) 442 { 443 if( mi->mbmi.ref_frame == ref_frame) 444 return 1; 445 } 446 mi++; 447 } 448 return 0; 449 450} 451 452int vp8_create_decoder_instances(struct frame_buffers *fb, VP8D_CONFIG *oxcf) 453{ 454 if(!fb->use_frame_threads) 455 { 456 /* decoder instance for single thread mode */ 457 fb->pbi[0] = create_decompressor(oxcf); 458 if(!fb->pbi[0]) 459 return VPX_CODEC_ERROR; 460 461#if CONFIG_MULTITHREAD 462 /* enable row-based threading only when use_frame_threads 463 * is disabled */ 464 fb->pbi[0]->max_threads = oxcf->max_threads; 465 vp8_decoder_create_threads(fb->pbi[0]); 466#endif 467 } 468 else 469 { 470 /* TODO : create frame threads and decoder instances for each 471 * thread here */ 472 } 473 474 return VPX_CODEC_OK; 475} 476 477int vp8_remove_decoder_instances(struct frame_buffers *fb) 478{ 479 if(!fb->use_frame_threads) 480 { 481 VP8D_COMP *pbi = fb->pbi[0]; 482 483 if (!pbi) 484 return VPX_CODEC_ERROR; 485#if CONFIG_MULTITHREAD 486 if (pbi->b_multithreaded_rd) 487 vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows); 488 vp8_decoder_remove_threads(pbi); 489#endif 490 491 /* decoder instance for single thread mode */ 492 remove_decompressor(pbi); 493 } 494 else 495 { 496 /* TODO : remove frame threads and decoder instances for each 497 * thread here */ 498 } 499 500 return VPX_CODEC_OK; 501} 502