/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef __INC_VP8_INT_H #define __INC_VP8_INT_H #include #include "vpx_ports/config.h" #include "vp8/common/onyx.h" #include "treewriter.h" #include "tokenize.h" #include "vp8/common/onyxc_int.h" #include "variance.h" #include "dct.h" #include "encodemb.h" #include "quantize.h" #include "vp8/common/entropy.h" #include "vp8/common/entropymode.h" #include "vpx_ports/mem.h" #include "vpx/internal/vpx_codec_internal.h" #include "mcomp.h" #include "temporal_filter.h" #include "vp8/common/findnearmv.h" #include "lookahead.h" // #define SPEEDSTATS 1 #define MIN_GF_INTERVAL 4 #define DEFAULT_GF_INTERVAL 7 #define KEY_FRAME_CONTEXT 5 #define MAX_LAG_BUFFERS 25 #define AF_THRESH 25 #define AF_THRESH2 100 #define ARF_DECAY_THRESH 12 #if CONFIG_PRED_FILTER #define MAX_MODES 54 #else // CONFIG_PRED_FILTER #define MAX_MODES 42 #endif // CONFIG_PRED_FILTER #define MIN_THRESHMULT 32 #define MAX_THRESHMULT 512 #define GF_ZEROMV_ZBIN_BOOST 12 #define LF_ZEROMV_ZBIN_BOOST 6 #define MV_ZBIN_BOOST 4 #define ZBIN_OQ_MAX 192 #define VP8_TEMPORAL_ALT_REF 1 typedef struct { MV_CONTEXT mvc[2]; int mvcosts[2][MVvals + 1]; MV_CONTEXT_HP mvc_hp[2]; int mvcosts_hp[2][MVvals_hp + 1]; #ifdef MODE_STATS // Stats int y_modes[VP8_YMODES]; int uv_modes[VP8_UV_MODES]; int i8x8_modes[VP8_I8X8_MODES]; int b_modes[B_MODE_COUNT]; int inter_y_modes[MB_MODE_COUNT]; int inter_uv_modes[VP8_UV_MODES]; int inter_b_modes[B_MODE_COUNT]; #endif vp8_prob segment_pred_probs[PREDICTION_PROBS]; unsigned char ref_pred_probs_update[PREDICTION_PROBS]; vp8_prob ref_pred_probs[PREDICTION_PROBS]; vp8_prob prob_comppred[COMP_PRED_CONTEXTS]; unsigned char *last_frame_seg_map_copy; // 0 = Intra, Last, GF, ARF signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS]; // 0 = BPRED, ZERO_MV, MV, SPLIT signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS]; vp8_prob coef_probs[BLOCK_TYPES] [COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES]; vp8_prob coef_probs_8x8[BLOCK_TYPES_8X8] [COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES]; #if CONFIG_TX16X16 vp8_prob coef_probs_16x16[BLOCK_TYPES_16X16] [COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES]; #endif vp8_prob ymode_prob [VP8_YMODES - 1]; /* interframe intra mode probs */ vp8_prob uv_mode_prob [VP8_YMODES][VP8_UV_MODES - 1]; vp8_prob bmode_prob [VP8_BINTRAMODES - 1]; vp8_prob i8x8_mode_prob [VP8_I8X8_MODES - 1]; vp8_prob sub_mv_ref_prob [SUBMVREF_COUNT][VP8_SUBMVREFS - 1]; vp8_prob mbsplit_prob [VP8_NUMMBSPLITS - 1]; #if CONFIG_SWITCHABLE_INTERP vp8_prob switchable_interp_prob[VP8_SWITCHABLE_FILTERS + 1] [VP8_SWITCHABLE_FILTERS - 1]; #endif int mv_ref_ct[6][4][2]; int mode_context[6][4]; int mv_ref_ct_a[6][4][2]; int mode_context_a[6][4]; } CODING_CONTEXT; typedef struct { double frame; double intra_error; double coded_error; double sr_coded_error; double ssim_weighted_pred_err; double pcnt_inter; double pcnt_motion; double pcnt_second_ref; double pcnt_neutral; double MVr; double mvr_abs; double MVc; double mvc_abs; double MVrv; double MVcv; double mv_in_out_count; double new_mv_count; double duration; double count; } FIRSTPASS_STATS; typedef struct { int frames_so_far; double frame_intra_error; double frame_coded_error; double frame_pcnt_inter; double frame_pcnt_motion; double frame_mvr; double frame_mvr_abs; double frame_mvc; double frame_mvc_abs; } ONEPASS_FRAMESTATS; typedef struct { struct { int err; union { int_mv mv; MB_PREDICTION_MODE mode; } m; } ref[MAX_REF_FRAMES]; } MBGRAPH_MB_STATS; typedef struct { MBGRAPH_MB_STATS *mb_stats; } MBGRAPH_FRAME_STATS; #if CONFIG_PRED_FILTER typedef enum { THR_ZEROMV, THR_ZEROMV_FILT, THR_DC, THR_NEARESTMV, THR_NEARESTMV_FILT, THR_NEARMV, THR_NEARMV_FILT, THR_ZEROG, THR_ZEROG_FILT, THR_NEARESTG, THR_NEARESTG_FILT, THR_ZEROA, THR_ZEROA_FILT, THR_NEARESTA, THR_NEARESTA_FILT, THR_NEARG, THR_NEARG_FILT, THR_NEARA, THR_NEARA_FILT, THR_V_PRED, THR_H_PRED, THR_D45_PRED, THR_D135_PRED, THR_D117_PRED, THR_D153_PRED, THR_D27_PRED, THR_D63_PRED, THR_TM, THR_NEWMV, THR_NEWMV_FILT, THR_NEWG, THR_NEWG_FILT, THR_NEWA, THR_NEWA_FILT, THR_SPLITMV, THR_SPLITG, THR_SPLITA, THR_B_PRED, THR_I8X8_PRED, THR_COMP_ZEROLG, THR_COMP_NEARESTLG, THR_COMP_NEARLG, THR_COMP_ZEROLA, THR_COMP_NEARESTLA, THR_COMP_NEARLA, THR_COMP_ZEROGA, THR_COMP_NEARESTGA, THR_COMP_NEARGA, THR_COMP_NEWLG, THR_COMP_NEWLA, THR_COMP_NEWGA, THR_COMP_SPLITLG, THR_COMP_SPLITLA, THR_COMP_SPLITGA, } THR_MODES; #else typedef enum { THR_ZEROMV, THR_DC, THR_NEARESTMV, THR_NEARMV, THR_ZEROG, THR_NEARESTG, THR_ZEROA, THR_NEARESTA, THR_NEARG, THR_NEARA, THR_V_PRED, THR_H_PRED, THR_D45_PRED, THR_D135_PRED, THR_D117_PRED, THR_D153_PRED, THR_D27_PRED, THR_D63_PRED, THR_TM, THR_NEWMV, THR_NEWG, THR_NEWA, THR_SPLITMV, THR_SPLITG, THR_SPLITA, THR_B_PRED, THR_I8X8_PRED, THR_COMP_ZEROLG, THR_COMP_NEARESTLG, THR_COMP_NEARLG, THR_COMP_ZEROLA, THR_COMP_NEARESTLA, THR_COMP_NEARLA, THR_COMP_ZEROGA, THR_COMP_NEARESTGA, THR_COMP_NEARGA, THR_COMP_NEWLG, THR_COMP_NEWLA, THR_COMP_NEWGA, THR_COMP_SPLITLG, THR_COMP_SPLITLA, THR_COMP_SPLITGA } THR_MODES; #endif typedef enum { DIAMOND = 0, NSTEP = 1, HEX = 2 } SEARCH_METHODS; typedef struct { int RD; SEARCH_METHODS search_method; int improved_dct; int auto_filter; int recode_loop; int iterative_sub_pixel; int half_pixel_search; int quarter_pixel_search; int thresh_mult[MAX_MODES]; int max_step_search_steps; int first_step; int optimize_coefficients; int no_skip_block4x4_search; int improved_mv_pred; int search_best_filter; } SPEED_FEATURES; typedef struct { MACROBLOCK mb; int totalrate; } MB_ROW_COMP; typedef struct { TOKENEXTRA *start; TOKENEXTRA *stop; } TOKENLIST; typedef struct { int ithread; void *ptr1; void *ptr2; } ENCODETHREAD_DATA; typedef struct { int ithread; void *ptr1; } LPFTHREAD_DATA; typedef struct VP8_ENCODER_RTCD { VP8_COMMON_RTCD *common; vp8_variance_rtcd_vtable_t variance; vp8_fdct_rtcd_vtable_t fdct; vp8_encodemb_rtcd_vtable_t encodemb; vp8_search_rtcd_vtable_t search; vp8_temporal_rtcd_vtable_t temporal; } VP8_ENCODER_RTCD; enum { BLOCK_16X8, BLOCK_8X16, BLOCK_8X8, BLOCK_4X4, BLOCK_16X16, BLOCK_MAX_SEGMENTS }; typedef struct VP8_COMP { DECLARE_ALIGNED(16, short, Y1quant[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, unsigned char, Y1quant_shift[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, Y1zbin[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, Y1round[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, Y2quant[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, unsigned char, Y2quant_shift[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, Y2zbin[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, Y2round[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, UVquant[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, unsigned char, UVquant_shift[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, UVzbin[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, UVround[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, zrun_zbin_boost_y1[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, zrun_zbin_boost_y2[QINDEX_RANGE][16]); DECLARE_ALIGNED(16, short, zrun_zbin_boost_uv[QINDEX_RANGE][16]); DECLARE_ALIGNED(64, short, Y1zbin_8x8[QINDEX_RANGE][64]); DECLARE_ALIGNED(64, short, Y2zbin_8x8[QINDEX_RANGE][64]); DECLARE_ALIGNED(64, short, UVzbin_8x8[QINDEX_RANGE][64]); DECLARE_ALIGNED(64, short, zrun_zbin_boost_y1_8x8[QINDEX_RANGE][64]); DECLARE_ALIGNED(64, short, zrun_zbin_boost_y2_8x8[QINDEX_RANGE][64]); DECLARE_ALIGNED(64, short, zrun_zbin_boost_uv_8x8[QINDEX_RANGE][64]); #if CONFIG_TX16X16 DECLARE_ALIGNED(16, short, Y1zbin_16x16[QINDEX_RANGE][256]); DECLARE_ALIGNED(16, short, Y2zbin_16x16[QINDEX_RANGE][256]); DECLARE_ALIGNED(16, short, UVzbin_16x16[QINDEX_RANGE][256]); DECLARE_ALIGNED(16, short, zrun_zbin_boost_y1_16x16[QINDEX_RANGE][256]); DECLARE_ALIGNED(16, short, zrun_zbin_boost_y2_16x16[QINDEX_RANGE][256]); DECLARE_ALIGNED(16, short, zrun_zbin_boost_uv_16x16[QINDEX_RANGE][256]); #endif MACROBLOCK mb; VP8_COMMON common; vp8_writer bc, bc2; // bool_writer *bc2; VP8_CONFIG oxcf; struct lookahead_ctx *lookahead; struct lookahead_entry *source; struct lookahead_entry *alt_ref_source; YV12_BUFFER_CONFIG *Source; YV12_BUFFER_CONFIG *un_scaled_source; YV12_BUFFER_CONFIG scaled_source; int source_alt_ref_pending; // frame in src_buffers has been identified to be encoded as an alt ref int source_alt_ref_active; // an alt ref frame has been encoded and is usable int is_src_frame_alt_ref; // source of frame to encode is an exact copy of an alt ref frame int gold_is_last; // golden frame same as last frame ( short circuit gold searches) int alt_is_last; // Alt reference frame same as last ( short circuit altref search) int gold_is_alt; // don't do both alt and gold search ( just do gold). // int refresh_alt_ref_frame; YV12_BUFFER_CONFIG last_frame_uf; TOKENEXTRA *tok; unsigned int tok_count; unsigned int frames_since_key; unsigned int key_frame_frequency; unsigned int this_key_frame_forced; unsigned int next_key_frame_forced; // Ambient reconstruction err target for force key frames int ambient_err; unsigned int mode_check_freq[MAX_MODES]; unsigned int mode_test_hit_counts[MAX_MODES]; unsigned int mode_chosen_counts[MAX_MODES]; int rd_thresh_mult[MAX_MODES]; int rd_baseline_thresh[MAX_MODES]; int rd_threshes[MAX_MODES]; int64_t rd_single_diff, rd_comp_diff, rd_hybrid_diff; int rd_prediction_type_threshes[4][NB_PREDICTION_TYPES]; int comp_pred_count[COMP_PRED_CONTEXTS]; int single_pred_count[COMP_PRED_CONTEXTS]; int RDMULT; int RDDIV; CODING_CONTEXT coding_context; // Rate targetting variables int64_t prediction_error; int64_t last_prediction_error; int64_t intra_error; int64_t last_intra_error; int this_frame_target; int projected_frame_size; int last_q[2]; // Separate values for Intra/Inter int last_boosted_qindex; // Last boosted GF/KF/ARF q double rate_correction_factor; double key_frame_rate_correction_factor; double gf_rate_correction_factor; int frames_till_gf_update_due; // Count down till next GF int current_gf_interval; // GF interval chosen when we coded the last GF int gf_overspend_bits; // Total bits overspent becasue of GF boost (cumulative) int non_gf_bitrate_adjustment; // Used in the few frames following a GF to recover the extra bits spent in that GF int kf_overspend_bits; // Extra bits spent on key frames that need to be recovered on inter frames int kf_bitrate_adjustment; // Current number of bit s to try and recover on each inter frame. int max_gf_interval; int baseline_gf_interval; int active_arnr_frames; // <= cpi->oxcf.arnr_max_frames int64_t key_frame_count; int prior_key_frame_distance[KEY_FRAME_CONTEXT]; int per_frame_bandwidth; // Current section per frame bandwidth target int av_per_frame_bandwidth; // Average frame size target for clip int min_frame_bandwidth; // Minimum allocation that should be used for any frame int inter_frame_target; double output_frame_rate; int64_t last_time_stamp_seen; int64_t last_end_time_stamp_seen; int64_t first_time_stamp_ever; int ni_av_qi; int ni_tot_qi; int ni_frames; int avg_frame_qindex; double tot_q; double avg_q; int zbin_over_quant; int zbin_mode_boost; int zbin_mode_boost_enabled; int64_t total_byte_count; int buffered_mode; int buffer_level; int bits_off_target; int rolling_target_bits; int rolling_actual_bits; int long_rolling_target_bits; int long_rolling_actual_bits; int64_t total_actual_bits; int total_target_vs_actual; // debug stats int worst_quality; int active_worst_quality; int best_quality; int active_best_quality; int cq_target_quality; int ymode_count [VP8_YMODES]; /* intra MB type cts this frame */ int bmode_count [VP8_BINTRAMODES]; int i8x8_mode_count [VP8_I8X8_MODES]; int sub_mv_ref_count [SUBMVREF_COUNT][VP8_SUBMVREFS]; int mbsplit_count [VP8_NUMMBSPLITS]; // int uv_mode_count[VP8_UV_MODES]; /* intra MB type cts this frame */ int y_uv_mode_count[VP8_YMODES][VP8_UV_MODES]; unsigned int MVcount [2] [MVvals]; /* (row,col) MV cts this frame */ unsigned int MVcount_hp [2] [MVvals_hp]; /* (row,col) MV cts this frame */ unsigned int coef_counts [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]; /* for this frame */ // DECLARE_ALIGNED(16, int, coef_counts_backup [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]); //not used any more // save vp8_tree_probs_from_distribution result for each frame to avoid repeat calculation vp8_prob frame_coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES]; unsigned int frame_branch_ct [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES][2]; unsigned int coef_counts_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]; /* for this frame */ vp8_prob frame_coef_probs_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES]; unsigned int frame_branch_ct_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES][2]; #if CONFIG_TX16X16 unsigned int coef_counts_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]; /* for this frame */ vp8_prob frame_coef_probs_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES]; unsigned int frame_branch_ct_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES][2]; #endif int gfu_boost; int last_boost; int kf_boost; int kf_zeromotion_pct; int target_bandwidth; struct vpx_codec_pkt_list *output_pkt_list; #if 0 // Experimental code for lagged and one pass ONEPASS_FRAMESTATS one_pass_frame_stats[MAX_LAG_BUFFERS]; int one_pass_frame_index; #endif MBGRAPH_FRAME_STATS mbgraph_stats[MAX_LAG_BUFFERS]; int mbgraph_n_frames; // number of frames filled in the above int static_mb_pct; // % forced skip mbs by segmentation int seg0_progress, seg0_idx, seg0_cnt; int ref_pred_count[3][2]; int decimation_factor; int decimation_count; // for real time encoding int avg_encode_time; // microsecond int avg_pick_mode_time; // microsecond int Speed; unsigned int cpu_freq; // Mhz int compressor_speed; int interquantizer; int goldfreq; int auto_worst_q; int cpu_used; int horiz_scale; int vert_scale; int pass; vp8_prob last_skip_false_probs[3][MBSKIP_CONTEXTS]; int last_skip_probs_q[3]; int recent_ref_frame_usage[MAX_REF_FRAMES]; int count_mb_ref_frame_usage[MAX_REF_FRAMES]; int ref_frame_flags; unsigned char ref_pred_probs_update[PREDICTION_PROBS]; SPEED_FEATURES sf; int error_bins[1024]; // Data used for real time conferencing mode to help determine if it would be good to update the gf int inter_zz_count; int gf_bad_count; int gf_update_recommended; int skip_true_count[3]; int skip_false_count[3]; int t4x4_count; int t8x8_count; #if CONFIG_TX16X16 int t16x16_count; #endif unsigned char *segmentation_map; // segment threashold for encode breakout int segment_encode_breakout[MAX_MB_SEGMENTS]; unsigned char *active_map; unsigned int active_map_enabled; TOKENLIST *tplist; fractional_mv_step_fp *find_fractional_mv_step; vp8_full_search_fn_t full_search_sad; vp8_refining_search_fn_t refining_search_sad; vp8_diamond_search_fn_t diamond_search_sad; vp8_variance_fn_ptr_t fn_ptr[BLOCK_MAX_SEGMENTS]; unsigned int time_receive_data; unsigned int time_compress_data; unsigned int time_pick_lpf; unsigned int time_encode_mb_row; int base_skip_false_prob[QINDEX_RANGE][3]; struct twopass_rc { unsigned int section_intra_rating; unsigned int next_iiratio; unsigned int this_iiratio; FIRSTPASS_STATS *total_stats; FIRSTPASS_STATS *this_frame_stats; FIRSTPASS_STATS *stats_in, *stats_in_end, *stats_in_start; FIRSTPASS_STATS *total_left_stats; int first_pass_done; int64_t bits_left; int64_t clip_bits_total; double avg_iiratio; double modified_error_total; double modified_error_used; double modified_error_left; double kf_intra_err_min; double gf_intra_err_min; int frames_to_key; int maxq_max_limit; int maxq_min_limit; int static_scene_max_gf_interval; int kf_bits; int gf_group_error_left; // Remaining error from uncoded frames in a gf group. Two pass use only // Projected total bits available for a key frame group of frames int64_t kf_group_bits; // Error score of frames still to be coded in kf group int64_t kf_group_error_left; int gf_group_bits; // Projected Bits available for a group of frames including 1 GF or ARF int gf_bits; // Bits for the golden frame or ARF - 2 pass only int alt_extra_bits; int sr_update_lag; double est_max_qcorrection_factor; } twopass; #if CONFIG_RUNTIME_CPU_DETECT VP8_ENCODER_RTCD rtcd; #endif #if VP8_TEMPORAL_ALT_REF YV12_BUFFER_CONFIG alt_ref_buffer; YV12_BUFFER_CONFIG *frames[MAX_LAG_BUFFERS]; int fixed_divide[512]; #endif #if CONFIG_INTERNAL_STATS int count; double total_y; double total_u; double total_v; double total; double total_sq_error; double totalp_y; double totalp_u; double totalp_v; double totalp; double total_sq_error2; int bytes; double summed_quality; double summed_weights; unsigned int tot_recode_hits; double total_ssimg_y; double total_ssimg_u; double total_ssimg_v; double total_ssimg_all; int b_calculate_ssimg; #endif int b_calculate_psnr; // Per MB activity measurement unsigned int activity_avg; unsigned int *mb_activity_map; int *mb_norm_activity_map; // Record of which MBs still refer to last golden frame either // directly or through 0,0 unsigned char *gf_active_flags; int gf_active_count; int output_partition; // Store last frame's MV info for next frame MV prediction int_mv *lfmv; int *lf_ref_frame_sign_bias; int *lf_ref_frame; /* force next frame to intra when kf_auto says so */ int force_next_frame_intra; int droppable; // Global store for SB left contexts, one for each MB row in the SB ENTROPY_CONTEXT_PLANES left_context[2]; // TODO Do we still need this?? int update_context; int dummy_packing; /* flag to indicate if packing is dummy */ #if CONFIG_PRED_FILTER int pred_filter_on_count; int pred_filter_off_count; #endif #if CONFIG_SWITCHABLE_INTERP unsigned int switchable_interp_count[VP8_SWITCHABLE_FILTERS+1] [VP8_SWITCHABLE_FILTERS]; #endif } VP8_COMP; void control_data_rate(VP8_COMP *cpi); void vp8_encode_frame(VP8_COMP *cpi); void vp8_pack_bitstream(VP8_COMP *cpi, unsigned char *dest, unsigned long *size); void vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x); int rd_cost_intra_mb(MACROBLOCKD *x); void vp8_tokenize_mb(VP8_COMP *, MACROBLOCKD *, TOKENEXTRA **, int dry_run); void vp8_set_speed_features(VP8_COMP *cpi); #if CONFIG_DEBUG #define CHECK_MEM_ERROR(lval,expr) do {\ lval = (expr); \ if(!lval) \ vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\ "Failed to allocate "#lval" at %s:%d", \ __FILE__,__LINE__);\ } while(0) #else #define CHECK_MEM_ERROR(lval,expr) do {\ lval = (expr); \ if(!lval) \ vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\ "Failed to allocate "#lval);\ } while(0) #endif #endif