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 #ifndef VP8_ENCODER_ONYX_INT_H_ 13 #define VP8_ENCODER_ONYX_INT_H_ 14 15 #include <stdio.h> 16 #include "vpx_config.h" 17 #include "vp8/common/onyx.h" 18 #include "treewriter.h" 19 #include "tokenize.h" 20 #include "vp8/common/onyxc_int.h" 21 #include "vp8/common/variance.h" 22 #include "encodemb.h" 23 #include "quantize.h" 24 #include "vp8/common/entropy.h" 25 #include "vp8/common/threading.h" 26 #include "vpx_ports/mem.h" 27 #include "vpx/internal/vpx_codec_internal.h" 28 #include "vpx/vp8.h" 29 #include "mcomp.h" 30 #include "vp8/common/findnearmv.h" 31 #include "lookahead.h" 32 #if CONFIG_TEMPORAL_DENOISING 33 #include "vp8/encoder/denoising.h" 34 #endif 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #define MIN_GF_INTERVAL 4 41 #define DEFAULT_GF_INTERVAL 7 42 43 #define KEY_FRAME_CONTEXT 5 44 45 #define MAX_LAG_BUFFERS (CONFIG_REALTIME_ONLY? 1 : 25) 46 47 #define AF_THRESH 25 48 #define AF_THRESH2 100 49 #define ARF_DECAY_THRESH 12 50 51 52 #define MIN_THRESHMULT 32 53 #define MAX_THRESHMULT 512 54 55 #define GF_ZEROMV_ZBIN_BOOST 12 56 #define LF_ZEROMV_ZBIN_BOOST 6 57 #define MV_ZBIN_BOOST 4 58 #define ZBIN_OQ_MAX 192 59 60 #if !(CONFIG_REALTIME_ONLY) 61 #define VP8_TEMPORAL_ALT_REF 1 62 #endif 63 64 typedef struct 65 { 66 int kf_indicated; 67 unsigned int frames_since_key; 68 unsigned int frames_since_golden; 69 int filter_level; 70 int frames_till_gf_update_due; 71 int recent_ref_frame_usage[MAX_REF_FRAMES]; 72 73 MV_CONTEXT mvc[2]; 74 int mvcosts[2][MVvals+1]; 75 76 #ifdef MODE_STATS 77 int y_modes[5]; 78 int uv_modes[4]; 79 int b_modes[10]; 80 int inter_y_modes[10]; 81 int inter_uv_modes[4]; 82 int inter_b_modes[10]; 83 #endif 84 85 vp8_prob ymode_prob[4], uv_mode_prob[3]; /* interframe intra mode probs */ 86 vp8_prob kf_ymode_prob[4], kf_uv_mode_prob[3]; /* keyframe "" */ 87 88 int ymode_count[5], uv_mode_count[4]; /* intra MB type cts this frame */ 89 90 int count_mb_ref_frame_usage[MAX_REF_FRAMES]; 91 92 int this_frame_percent_intra; 93 int last_frame_percent_intra; 94 95 96 } CODING_CONTEXT; 97 98 typedef struct 99 { 100 double frame; 101 double intra_error; 102 double coded_error; 103 double ssim_weighted_pred_err; 104 double pcnt_inter; 105 double pcnt_motion; 106 double pcnt_second_ref; 107 double pcnt_neutral; 108 double MVr; 109 double mvr_abs; 110 double MVc; 111 double mvc_abs; 112 double MVrv; 113 double MVcv; 114 double mv_in_out_count; 115 double new_mv_count; 116 double duration; 117 double count; 118 } 119 FIRSTPASS_STATS; 120 121 typedef struct 122 { 123 int frames_so_far; 124 double frame_intra_error; 125 double frame_coded_error; 126 double frame_pcnt_inter; 127 double frame_pcnt_motion; 128 double frame_mvr; 129 double frame_mvr_abs; 130 double frame_mvc; 131 double frame_mvc_abs; 132 133 } ONEPASS_FRAMESTATS; 134 135 136 typedef enum 137 { 138 THR_ZERO1 = 0, 139 THR_DC = 1, 140 141 THR_NEAREST1 = 2, 142 THR_NEAR1 = 3, 143 144 THR_ZERO2 = 4, 145 THR_NEAREST2 = 5, 146 147 THR_ZERO3 = 6, 148 THR_NEAREST3 = 7, 149 150 THR_NEAR2 = 8, 151 THR_NEAR3 = 9, 152 153 THR_V_PRED = 10, 154 THR_H_PRED = 11, 155 THR_TM = 12, 156 157 THR_NEW1 = 13, 158 THR_NEW2 = 14, 159 THR_NEW3 = 15, 160 161 THR_SPLIT1 = 16, 162 THR_SPLIT2 = 17, 163 THR_SPLIT3 = 18, 164 165 THR_B_PRED = 19 166 } 167 THR_MODES; 168 169 typedef enum 170 { 171 DIAMOND = 0, 172 NSTEP = 1, 173 HEX = 2 174 } SEARCH_METHODS; 175 176 typedef struct 177 { 178 int RD; 179 SEARCH_METHODS search_method; 180 int improved_quant; 181 int improved_dct; 182 int auto_filter; 183 int recode_loop; 184 int iterative_sub_pixel; 185 int half_pixel_search; 186 int quarter_pixel_search; 187 int thresh_mult[MAX_MODES]; 188 int max_step_search_steps; 189 int first_step; 190 int optimize_coefficients; 191 192 int use_fastquant_for_pick; 193 int no_skip_block4x4_search; 194 int improved_mv_pred; 195 196 } SPEED_FEATURES; 197 198 typedef struct 199 { 200 MACROBLOCK mb; 201 int segment_counts[MAX_MB_SEGMENTS]; 202 int totalrate; 203 } MB_ROW_COMP; 204 205 typedef struct 206 { 207 TOKENEXTRA *start; 208 TOKENEXTRA *stop; 209 } TOKENLIST; 210 211 typedef struct 212 { 213 int ithread; 214 void *ptr1; 215 void *ptr2; 216 } ENCODETHREAD_DATA; 217 typedef struct 218 { 219 int ithread; 220 void *ptr1; 221 } LPFTHREAD_DATA; 222 223 enum 224 { 225 BLOCK_16X8, 226 BLOCK_8X16, 227 BLOCK_8X8, 228 BLOCK_4X4, 229 BLOCK_16X16, 230 BLOCK_MAX_SEGMENTS 231 }; 232 233 typedef struct 234 { 235 /* Layer configuration */ 236 double framerate; 237 int target_bandwidth; 238 239 /* Layer specific coding parameters */ 240 int64_t starting_buffer_level; 241 int64_t optimal_buffer_level; 242 int64_t maximum_buffer_size; 243 int64_t starting_buffer_level_in_ms; 244 int64_t optimal_buffer_level_in_ms; 245 int64_t maximum_buffer_size_in_ms; 246 247 int avg_frame_size_for_layer; 248 249 int64_t buffer_level; 250 int64_t bits_off_target; 251 252 int64_t total_actual_bits; 253 int total_target_vs_actual; 254 255 int worst_quality; 256 int active_worst_quality; 257 int best_quality; 258 int active_best_quality; 259 260 int ni_av_qi; 261 int ni_tot_qi; 262 int ni_frames; 263 int avg_frame_qindex; 264 265 double rate_correction_factor; 266 double key_frame_rate_correction_factor; 267 double gf_rate_correction_factor; 268 269 int zbin_over_quant; 270 271 int inter_frame_target; 272 int64_t total_byte_count; 273 274 int filter_level; 275 276 int last_frame_percent_intra; 277 278 int count_mb_ref_frame_usage[MAX_REF_FRAMES]; 279 280 } LAYER_CONTEXT; 281 282 typedef struct VP8_COMP 283 { 284 285 DECLARE_ALIGNED(16, short, Y1quant[QINDEX_RANGE][16]); 286 DECLARE_ALIGNED(16, short, Y1quant_shift[QINDEX_RANGE][16]); 287 DECLARE_ALIGNED(16, short, Y1zbin[QINDEX_RANGE][16]); 288 DECLARE_ALIGNED(16, short, Y1round[QINDEX_RANGE][16]); 289 290 DECLARE_ALIGNED(16, short, Y2quant[QINDEX_RANGE][16]); 291 DECLARE_ALIGNED(16, short, Y2quant_shift[QINDEX_RANGE][16]); 292 DECLARE_ALIGNED(16, short, Y2zbin[QINDEX_RANGE][16]); 293 DECLARE_ALIGNED(16, short, Y2round[QINDEX_RANGE][16]); 294 295 DECLARE_ALIGNED(16, short, UVquant[QINDEX_RANGE][16]); 296 DECLARE_ALIGNED(16, short, UVquant_shift[QINDEX_RANGE][16]); 297 DECLARE_ALIGNED(16, short, UVzbin[QINDEX_RANGE][16]); 298 DECLARE_ALIGNED(16, short, UVround[QINDEX_RANGE][16]); 299 300 DECLARE_ALIGNED(16, short, zrun_zbin_boost_y1[QINDEX_RANGE][16]); 301 DECLARE_ALIGNED(16, short, zrun_zbin_boost_y2[QINDEX_RANGE][16]); 302 DECLARE_ALIGNED(16, short, zrun_zbin_boost_uv[QINDEX_RANGE][16]); 303 DECLARE_ALIGNED(16, short, Y1quant_fast[QINDEX_RANGE][16]); 304 DECLARE_ALIGNED(16, short, Y2quant_fast[QINDEX_RANGE][16]); 305 DECLARE_ALIGNED(16, short, UVquant_fast[QINDEX_RANGE][16]); 306 307 308 MACROBLOCK mb; 309 VP8_COMMON common; 310 vp8_writer bc[9]; /* one boolcoder for each partition */ 311 312 VP8_CONFIG oxcf; 313 314 struct lookahead_ctx *lookahead; 315 struct lookahead_entry *source; 316 struct lookahead_entry *alt_ref_source; 317 struct lookahead_entry *last_source; 318 319 YV12_BUFFER_CONFIG *Source; 320 YV12_BUFFER_CONFIG *un_scaled_source; 321 YV12_BUFFER_CONFIG scaled_source; 322 YV12_BUFFER_CONFIG *last_frame_unscaled_source; 323 324 unsigned int frames_till_alt_ref_frame; 325 /* frame in src_buffers has been identified to be encoded as an alt ref */ 326 int source_alt_ref_pending; 327 /* an alt ref frame has been encoded and is usable */ 328 int source_alt_ref_active; 329 /* source of frame to encode is an exact copy of an alt ref frame */ 330 int is_src_frame_alt_ref; 331 332 /* golden frame same as last frame ( short circuit gold searches) */ 333 int gold_is_last; 334 /* Alt reference frame same as last ( short circuit altref search) */ 335 int alt_is_last; 336 /* don't do both alt and gold search ( just do gold). */ 337 int gold_is_alt; 338 339 YV12_BUFFER_CONFIG pick_lf_lvl_frame; 340 341 TOKENEXTRA *tok; 342 unsigned int tok_count; 343 344 345 unsigned int frames_since_key; 346 unsigned int key_frame_frequency; 347 unsigned int this_key_frame_forced; 348 unsigned int next_key_frame_forced; 349 350 /* Ambient reconstruction err target for force key frames */ 351 int ambient_err; 352 353 unsigned int mode_check_freq[MAX_MODES]; 354 355 int rd_baseline_thresh[MAX_MODES]; 356 357 int RDMULT; 358 int RDDIV ; 359 360 CODING_CONTEXT coding_context; 361 362 /* Rate targetting variables */ 363 int64_t last_prediction_error; 364 int64_t last_intra_error; 365 366 int this_frame_target; 367 int projected_frame_size; 368 int last_q[2]; /* Separate values for Intra/Inter */ 369 370 double rate_correction_factor; 371 double key_frame_rate_correction_factor; 372 double gf_rate_correction_factor; 373 374 unsigned int frames_since_golden; 375 /* Count down till next GF */ 376 int frames_till_gf_update_due; 377 378 /* GF interval chosen when we coded the last GF */ 379 int current_gf_interval; 380 381 /* Total bits overspent becasue of GF boost (cumulative) */ 382 int gf_overspend_bits; 383 384 /* Used in the few frames following a GF to recover the extra bits 385 * spent in that GF 386 */ 387 int non_gf_bitrate_adjustment; 388 389 /* Extra bits spent on key frames that need to be recovered */ 390 int kf_overspend_bits; 391 392 /* Current number of bit s to try and recover on each inter frame. */ 393 int kf_bitrate_adjustment; 394 int max_gf_interval; 395 int baseline_gf_interval; 396 int active_arnr_frames; 397 398 int64_t key_frame_count; 399 int prior_key_frame_distance[KEY_FRAME_CONTEXT]; 400 /* Current section per frame bandwidth target */ 401 int per_frame_bandwidth; 402 /* Average frame size target for clip */ 403 int av_per_frame_bandwidth; 404 /* Minimum allocation that should be used for any frame */ 405 int min_frame_bandwidth; 406 int inter_frame_target; 407 double output_framerate; 408 int64_t last_time_stamp_seen; 409 int64_t last_end_time_stamp_seen; 410 int64_t first_time_stamp_ever; 411 412 int ni_av_qi; 413 int ni_tot_qi; 414 int ni_frames; 415 int avg_frame_qindex; 416 417 int64_t total_byte_count; 418 419 int buffered_mode; 420 421 double framerate; 422 double ref_framerate; 423 int64_t buffer_level; 424 int64_t bits_off_target; 425 426 int rolling_target_bits; 427 int rolling_actual_bits; 428 429 int long_rolling_target_bits; 430 int long_rolling_actual_bits; 431 432 int64_t total_actual_bits; 433 int total_target_vs_actual; /* debug stats */ 434 435 int worst_quality; 436 int active_worst_quality; 437 int best_quality; 438 int active_best_quality; 439 440 int cq_target_quality; 441 442 int drop_frames_allowed; /* Are we permitted to drop frames? */ 443 int drop_frame; /* Drop this frame? */ 444 445 vp8_prob frame_coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES]; 446 char update_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES]; 447 448 unsigned int frame_branch_ct [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES][2]; 449 450 int gfu_boost; 451 int kf_boost; 452 int last_boost; 453 454 int target_bandwidth; 455 struct vpx_codec_pkt_list *output_pkt_list; 456 457 #if 0 458 /* Experimental code for lagged and one pass */ 459 ONEPASS_FRAMESTATS one_pass_frame_stats[MAX_LAG_BUFFERS]; 460 int one_pass_frame_index; 461 #endif 462 463 int decimation_factor; 464 int decimation_count; 465 466 /* for real time encoding */ 467 int avg_encode_time; /* microsecond */ 468 int avg_pick_mode_time; /* microsecond */ 469 int Speed; 470 int compressor_speed; 471 472 int auto_gold; 473 int auto_adjust_gold_quantizer; 474 int auto_worst_q; 475 int cpu_used; 476 int pass; 477 478 479 int prob_intra_coded; 480 int prob_last_coded; 481 int prob_gf_coded; 482 int prob_skip_false; 483 int last_skip_false_probs[3]; 484 int last_skip_probs_q[3]; 485 int recent_ref_frame_usage[MAX_REF_FRAMES]; 486 487 int this_frame_percent_intra; 488 int last_frame_percent_intra; 489 490 int ref_frame_flags; 491 492 SPEED_FEATURES sf; 493 494 /* Count ZEROMV on all reference frames. */ 495 int zeromv_count; 496 int lf_zeromv_pct; 497 498 unsigned char *segmentation_map; 499 signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS]; 500 int segment_encode_breakout[MAX_MB_SEGMENTS]; 501 502 unsigned char *active_map; 503 unsigned int active_map_enabled; 504 505 /* Video conferencing cyclic refresh mode flags. This is a mode 506 * designed to clean up the background over time in live encoding 507 * scenarious. It uses segmentation. 508 */ 509 int cyclic_refresh_mode_enabled; 510 int cyclic_refresh_mode_max_mbs_perframe; 511 int cyclic_refresh_mode_index; 512 int cyclic_refresh_q; 513 signed char *cyclic_refresh_map; 514 // Count on how many (consecutive) times a macroblock uses ZER0MV_LAST. 515 unsigned char *consec_zero_last; 516 517 // Frame counter for the temporal pattern. Counter is rest when the temporal 518 // layers are changed dynamically (run-time change). 519 unsigned int temporal_pattern_counter; 520 521 #if CONFIG_MULTITHREAD 522 /* multithread data */ 523 int * mt_current_mb_col; 524 int mt_sync_range; 525 int b_multi_threaded; 526 int encoding_thread_count; 527 int b_lpf_running; 528 529 pthread_t *h_encoding_thread; 530 pthread_t h_filter_thread; 531 532 MB_ROW_COMP *mb_row_ei; 533 ENCODETHREAD_DATA *en_thread_data; 534 LPFTHREAD_DATA lpf_thread_data; 535 536 /* events */ 537 sem_t *h_event_start_encoding; 538 sem_t h_event_end_encoding; 539 sem_t h_event_start_lpf; 540 sem_t h_event_end_lpf; 541 #endif 542 543 TOKENLIST *tplist; 544 unsigned int partition_sz[MAX_PARTITIONS]; 545 unsigned char *partition_d[MAX_PARTITIONS]; 546 unsigned char *partition_d_end[MAX_PARTITIONS]; 547 548 549 fractional_mv_step_fp *find_fractional_mv_step; 550 vp8_full_search_fn_t full_search_sad; 551 vp8_refining_search_fn_t refining_search_sad; 552 vp8_diamond_search_fn_t diamond_search_sad; 553 vp8_variance_fn_ptr_t fn_ptr[BLOCK_MAX_SEGMENTS]; 554 uint64_t time_receive_data; 555 uint64_t time_compress_data; 556 uint64_t time_pick_lpf; 557 uint64_t time_encode_mb_row; 558 559 int base_skip_false_prob[128]; 560 561 FRAME_CONTEXT lfc_n; /* last frame entropy */ 562 FRAME_CONTEXT lfc_a; /* last alt ref entropy */ 563 FRAME_CONTEXT lfc_g; /* last gold ref entropy */ 564 565 566 struct twopass_rc 567 { 568 unsigned int section_intra_rating; 569 double section_max_qfactor; 570 unsigned int next_iiratio; 571 unsigned int this_iiratio; 572 FIRSTPASS_STATS total_stats; 573 FIRSTPASS_STATS this_frame_stats; 574 FIRSTPASS_STATS *stats_in, *stats_in_end, *stats_in_start; 575 FIRSTPASS_STATS total_left_stats; 576 int first_pass_done; 577 int64_t bits_left; 578 int64_t clip_bits_total; 579 double avg_iiratio; 580 double modified_error_total; 581 double modified_error_used; 582 double modified_error_left; 583 double kf_intra_err_min; 584 double gf_intra_err_min; 585 int frames_to_key; 586 int maxq_max_limit; 587 int maxq_min_limit; 588 int gf_decay_rate; 589 int static_scene_max_gf_interval; 590 int kf_bits; 591 /* Remaining error from uncoded frames in a gf group. */ 592 int gf_group_error_left; 593 /* Projected total bits available for a key frame group of frames */ 594 int64_t kf_group_bits; 595 /* Error score of frames still to be coded in kf group */ 596 int64_t kf_group_error_left; 597 /* Projected Bits available for a group including 1 GF or ARF */ 598 int64_t gf_group_bits; 599 /* Bits for the golden frame or ARF */ 600 int gf_bits; 601 int alt_extra_bits; 602 double est_max_qcorrection_factor; 603 } twopass; 604 605 #if VP8_TEMPORAL_ALT_REF 606 YV12_BUFFER_CONFIG alt_ref_buffer; 607 YV12_BUFFER_CONFIG *frames[MAX_LAG_BUFFERS]; 608 int fixed_divide[512]; 609 #endif 610 611 #if CONFIG_INTERNAL_STATS 612 int count; 613 double total_y; 614 double total_u; 615 double total_v; 616 double total ; 617 double total_sq_error; 618 double totalp_y; 619 double totalp_u; 620 double totalp_v; 621 double totalp; 622 double total_sq_error2; 623 int bytes; 624 double summed_quality; 625 double summed_weights; 626 unsigned int tot_recode_hits; 627 628 629 double total_ssimg_y; 630 double total_ssimg_u; 631 double total_ssimg_v; 632 double total_ssimg_all; 633 634 int b_calculate_ssimg; 635 #endif 636 int b_calculate_psnr; 637 638 /* Per MB activity measurement */ 639 unsigned int activity_avg; 640 unsigned int * mb_activity_map; 641 642 /* Record of which MBs still refer to last golden frame either 643 * directly or through 0,0 644 */ 645 unsigned char *gf_active_flags; 646 int gf_active_count; 647 648 int output_partition; 649 650 /* Store last frame's MV info for next frame MV prediction */ 651 int_mv *lfmv; 652 int *lf_ref_frame_sign_bias; 653 int *lf_ref_frame; 654 655 /* force next frame to intra when kf_auto says so */ 656 int force_next_frame_intra; 657 658 int droppable; 659 660 #if CONFIG_TEMPORAL_DENOISING 661 VP8_DENOISER denoiser; 662 #endif 663 664 /* Coding layer state variables */ 665 unsigned int current_layer; 666 LAYER_CONTEXT layer_context[VPX_TS_MAX_LAYERS]; 667 668 int64_t frames_in_layer[VPX_TS_MAX_LAYERS]; 669 int64_t bytes_in_layer[VPX_TS_MAX_LAYERS]; 670 double sum_psnr[VPX_TS_MAX_LAYERS]; 671 double sum_psnr_p[VPX_TS_MAX_LAYERS]; 672 double total_error2[VPX_TS_MAX_LAYERS]; 673 double total_error2_p[VPX_TS_MAX_LAYERS]; 674 double sum_ssim[VPX_TS_MAX_LAYERS]; 675 double sum_weights[VPX_TS_MAX_LAYERS]; 676 677 double total_ssimg_y_in_layer[VPX_TS_MAX_LAYERS]; 678 double total_ssimg_u_in_layer[VPX_TS_MAX_LAYERS]; 679 double total_ssimg_v_in_layer[VPX_TS_MAX_LAYERS]; 680 double total_ssimg_all_in_layer[VPX_TS_MAX_LAYERS]; 681 682 #if CONFIG_MULTI_RES_ENCODING 683 /* Number of MBs per row at lower-resolution level */ 684 int mr_low_res_mb_cols; 685 /* Indicate if lower-res mv info is available */ 686 unsigned char mr_low_res_mv_avail; 687 /* The frame number of each reference frames */ 688 unsigned int current_ref_frames[MAX_REF_FRAMES]; 689 #endif 690 691 struct rd_costs_struct 692 { 693 int mvcosts[2][MVvals+1]; 694 int mvsadcosts[2][MVfpvals+1]; 695 int mbmode_cost[2][MB_MODE_COUNT]; 696 int intra_uv_mode_cost[2][MB_MODE_COUNT]; 697 int bmode_costs[10][10][10]; 698 int inter_bmode_costs[B_MODE_COUNT]; 699 int token_costs[BLOCK_TYPES][COEF_BANDS] 700 [PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS]; 701 } rd_costs; 702 } VP8_COMP; 703 704 void vp8_pack_bitstream(VP8_COMP *cpi, unsigned char *dest, 705 unsigned char *dest_end, unsigned long *size); 706 707 void vp8_tokenize_mb(VP8_COMP *, MACROBLOCK *, TOKENEXTRA **); 708 709 void vp8_set_speed_features(VP8_COMP *cpi); 710 711 #if CONFIG_DEBUG 712 #define CHECK_MEM_ERROR(lval,expr) do {\ 713 lval = (expr); \ 714 if(!lval) \ 715 vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\ 716 "Failed to allocate "#lval" at %s:%d", \ 717 __FILE__,__LINE__);\ 718 } while(0) 719 #else 720 #define CHECK_MEM_ERROR(lval,expr) do {\ 721 lval = (expr); \ 722 if(!lval) \ 723 vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\ 724 "Failed to allocate "#lval);\ 725 } while(0) 726 #endif 727 #ifdef __cplusplus 728 } // extern "C" 729 #endif 730 731 #endif // VP8_ENCODER_ONYX_INT_H_ 732