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      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 __INC_VP8_INT_H
     13 #define __INC_VP8_INT_H
     14 
     15 #include <stdio.h>
     16 #include "vpx_ports/config.h"
     17 #include "onyx.h"
     18 #include "treewriter.h"
     19 #include "tokenize.h"
     20 #include "onyxc_int.h"
     21 #include "preproc.h"
     22 #include "variance.h"
     23 #include "dct.h"
     24 #include "encodemb.h"
     25 #include "quantize.h"
     26 #include "entropy.h"
     27 #include "threading.h"
     28 #include "vpx_ports/mem.h"
     29 #include "vpx/internal/vpx_codec_internal.h"
     30 #include "mcomp.h"
     31 
     32 //#define SPEEDSTATS 1
     33 #define MIN_GF_INTERVAL             4
     34 #define DEFAULT_GF_INTERVAL         7
     35 
     36 #define KEY_FRAME_CONTEXT 5
     37 
     38 #define MAX_LAG_BUFFERS (CONFIG_REALTIME_ONLY? 1 : 25)
     39 
     40 #define AF_THRESH   25
     41 #define AF_THRESH2  100
     42 #define ARF_DECAY_THRESH 12
     43 #define MAX_MODES 20
     44 
     45 #define MIN_THRESHMULT  32
     46 #define MAX_THRESHMULT  512
     47 
     48 #define GF_ZEROMV_ZBIN_BOOST 24
     49 #define ZBIN_OQ_MAX 192
     50 
     51 #define VP8_TEMPORAL_ALT_REF 1
     52 
     53 typedef struct
     54 {
     55     int kf_indicated;
     56     unsigned int frames_since_key;
     57     unsigned int frames_since_golden;
     58     int filter_level;
     59     int frames_till_gf_update_due;
     60     int recent_ref_frame_usage[MAX_REF_FRAMES];
     61 
     62     MV_CONTEXT mvc[2];
     63     int mvcosts[2][MVvals+1];
     64 
     65 #ifdef MODE_STATS
     66     // Stats
     67     int y_modes[5];
     68     int uv_modes[4];
     69     int b_modes[10];
     70     int inter_y_modes[10];
     71     int inter_uv_modes[4];
     72     int inter_b_modes[10];
     73 #endif
     74 
     75     vp8_prob ymode_prob[4], uv_mode_prob[3];   /* interframe intra mode probs */
     76     vp8_prob kf_ymode_prob[4], kf_uv_mode_prob[3];   /* keyframe "" */
     77 
     78     int ymode_count[5], uv_mode_count[4];  /* intra MB type cts this frame */
     79 
     80     int count_mb_ref_frame_usage[MAX_REF_FRAMES];
     81 
     82     int this_frame_percent_intra;
     83     int last_frame_percent_intra;
     84 
     85 
     86 } CODING_CONTEXT;
     87 
     88 typedef struct
     89 {
     90     double frame;
     91     double intra_error;
     92     double coded_error;
     93     double ssim_weighted_pred_err;
     94     double pcnt_inter;
     95     double pcnt_motion;
     96     double pcnt_second_ref;
     97     double MVr;
     98     double mvr_abs;
     99     double MVc;
    100     double mvc_abs;
    101     double MVrv;
    102     double MVcv;
    103     double mv_in_out_count;
    104     double duration;
    105     double count;
    106 }
    107 FIRSTPASS_STATS;
    108 
    109 typedef struct
    110 {
    111     int frames_so_far;
    112     double frame_intra_error;
    113     double frame_coded_error;
    114     double frame_pcnt_inter;
    115     double frame_pcnt_motion;
    116     double frame_mvr;
    117     double frame_mvr_abs;
    118     double frame_mvc;
    119     double frame_mvc_abs;
    120 
    121 } ONEPASS_FRAMESTATS;
    122 
    123 
    124 typedef enum
    125 {
    126     THR_ZEROMV         = 0,
    127     THR_DC             = 1,
    128 
    129     THR_NEARESTMV      = 2,
    130     THR_NEARMV         = 3,
    131 
    132     THR_ZEROG          = 4,
    133     THR_NEARESTG       = 5,
    134 
    135     THR_ZEROA          = 6,
    136     THR_NEARESTA       = 7,
    137 
    138     THR_NEARG          = 8,
    139     THR_NEARA          = 9,
    140 
    141     THR_V_PRED         = 10,
    142     THR_H_PRED         = 11,
    143     THR_TM             = 12,
    144 
    145     THR_NEWMV          = 13,
    146     THR_NEWG           = 14,
    147     THR_NEWA           = 15,
    148 
    149     THR_SPLITMV        = 16,
    150     THR_SPLITG         = 17,
    151     THR_SPLITA         = 18,
    152 
    153     THR_B_PRED         = 19,
    154 }
    155 THR_MODES;
    156 
    157 typedef enum
    158 {
    159     DIAMOND = 0,
    160     NSTEP = 1,
    161     HEX = 2
    162 } SEARCH_METHODS;
    163 
    164 typedef struct
    165 {
    166     int RD;
    167     SEARCH_METHODS search_method;
    168     int improved_quant;
    169     int improved_dct;
    170     int auto_filter;
    171     int recode_loop;
    172     int iterative_sub_pixel;
    173     int half_pixel_search;
    174     int quarter_pixel_search;
    175     int thresh_mult[MAX_MODES];
    176     int full_freq[2];
    177     int min_fs_radius;
    178     int max_fs_radius;
    179     int max_step_search_steps;
    180     int first_step;
    181     int optimize_coefficients;
    182 
    183 } SPEED_FEATURES;
    184 
    185 typedef struct
    186 {
    187     MACROBLOCK  mb;
    188     int mb_row;
    189     TOKENEXTRA *tp;
    190     int segment_counts[MAX_MB_SEGMENTS];
    191     int totalrate;
    192     int current_mb_col;
    193 } MB_ROW_COMP;
    194 
    195 typedef struct
    196 {
    197     TOKENEXTRA *start;
    198     TOKENEXTRA *stop;
    199 } TOKENLIST;
    200 
    201 typedef struct
    202 {
    203     int ithread;
    204     void *ptr1;
    205     void *ptr2;
    206 } ENCODETHREAD_DATA;
    207 typedef struct
    208 {
    209     int ithread;
    210     void *ptr1;
    211 } LPFTHREAD_DATA;
    212 
    213 typedef struct
    214 {
    215     INT64  source_time_stamp;
    216     INT64  source_end_time_stamp;
    217 
    218     DECLARE_ALIGNED(16, YV12_BUFFER_CONFIG, source_buffer);
    219     unsigned int source_frame_flags;
    220 } SOURCE_SAMPLE;
    221 
    222 typedef struct VP8_ENCODER_RTCD
    223 {
    224     VP8_COMMON_RTCD            *common;
    225     vp8_variance_rtcd_vtable_t  variance;
    226     vp8_fdct_rtcd_vtable_t      fdct;
    227     vp8_encodemb_rtcd_vtable_t  encodemb;
    228     vp8_quantize_rtcd_vtable_t  quantize;
    229     vp8_search_rtcd_vtable_t    search;
    230 } VP8_ENCODER_RTCD;
    231 
    232 enum
    233 {
    234     BLOCK_16X8,
    235     BLOCK_8X16,
    236     BLOCK_8X8,
    237     BLOCK_4X4,
    238     BLOCK_16X16,
    239     BLOCK_MAX_SEGMENTS
    240 };
    241 
    242 typedef struct
    243 {
    244 
    245     DECLARE_ALIGNED(16, short, Y1quant[QINDEX_RANGE][16]);
    246     DECLARE_ALIGNED(16, short, Y1quant_shift[QINDEX_RANGE][16]);
    247     DECLARE_ALIGNED(16, short, Y1zbin[QINDEX_RANGE][16]);
    248     DECLARE_ALIGNED(16, short, Y1round[QINDEX_RANGE][16]);
    249 
    250     DECLARE_ALIGNED(16, short, Y2quant[QINDEX_RANGE][16]);
    251     DECLARE_ALIGNED(16, short, Y2quant_shift[QINDEX_RANGE][16]);
    252     DECLARE_ALIGNED(16, short, Y2zbin[QINDEX_RANGE][16]);
    253     DECLARE_ALIGNED(16, short, Y2round[QINDEX_RANGE][16]);
    254 
    255     DECLARE_ALIGNED(16, short, UVquant[QINDEX_RANGE][16]);
    256     DECLARE_ALIGNED(16, short, UVquant_shift[QINDEX_RANGE][16]);
    257     DECLARE_ALIGNED(16, short, UVzbin[QINDEX_RANGE][16]);
    258     DECLARE_ALIGNED(16, short, UVround[QINDEX_RANGE][16]);
    259 
    260     DECLARE_ALIGNED(16, short, zrun_zbin_boost_y1[QINDEX_RANGE][16]);
    261     DECLARE_ALIGNED(16, short, zrun_zbin_boost_y2[QINDEX_RANGE][16]);
    262     DECLARE_ALIGNED(16, short, zrun_zbin_boost_uv[QINDEX_RANGE][16]);
    263 
    264 
    265     MACROBLOCK mb;
    266     VP8_COMMON common;
    267     vp8_writer bc, bc2;
    268     // bool_writer *bc2;
    269 
    270     VP8_CONFIG oxcf;
    271 
    272     YV12_BUFFER_CONFIG *Source;
    273     YV12_BUFFER_CONFIG *un_scaled_source;
    274     INT64 source_time_stamp;
    275     INT64 source_end_time_stamp;
    276     unsigned int source_frame_flags;
    277     YV12_BUFFER_CONFIG scaled_source;
    278 
    279     int source_buffer_count;
    280     int source_encode_index;
    281     int source_alt_ref_pending;
    282     int source_alt_ref_active;
    283 
    284     int last_alt_ref_sei;
    285     int is_src_frame_alt_ref;
    286     int is_next_src_alt_ref;
    287 
    288     int gold_is_last; // golden frame same as last frame ( short circuit gold searches)
    289     int alt_is_last;  // Alt reference frame same as last ( short circuit altref search)
    290     int gold_is_alt;  // don't do both alt and gold search ( just do gold).
    291 
    292     //int refresh_alt_ref_frame;
    293     SOURCE_SAMPLE src_buffer[MAX_LAG_BUFFERS];
    294 
    295     YV12_BUFFER_CONFIG last_frame_uf;
    296 
    297     char *Dest;
    298 
    299     TOKENEXTRA *tok;
    300     unsigned int tok_count;
    301 
    302 
    303     unsigned int frames_since_key;
    304     unsigned int key_frame_frequency;
    305     unsigned int next_key;
    306 
    307     unsigned int mode_check_freq[MAX_MODES];
    308     unsigned int mode_test_hit_counts[MAX_MODES];
    309     unsigned int mode_chosen_counts[MAX_MODES];
    310     unsigned int mbs_tested_so_far;
    311 
    312     unsigned int check_freq[2];
    313     unsigned int do_full[2];
    314 
    315     int rd_thresh_mult[MAX_MODES];
    316     int rd_baseline_thresh[MAX_MODES];
    317     int rd_threshes[MAX_MODES];
    318     int mvcostbase;
    319     int mvcostmultiplier;
    320     int subseqblockweight;
    321     int errthresh;
    322 
    323     int RDMULT;
    324     int RDDIV ;
    325 
    326     TOKENEXTRA *rdtok;
    327     vp8_writer rdbc;
    328     int intra_mode_costs[10];
    329 
    330 
    331     CODING_CONTEXT coding_context;
    332 
    333     // Rate targetting variables
    334     long long prediction_error;
    335     long long last_prediction_error;
    336     long long intra_error;
    337     long long last_intra_error;
    338     long long last_auto_filter_prediction_error;
    339 
    340 #if 0
    341     // Experimental RD code
    342     long long frame_distortion;
    343     long long last_frame_distortion;
    344 #endif
    345 
    346     int last_mb_distortion;
    347 
    348     int frames_since_auto_filter;
    349 
    350     int this_frame_target;
    351     int projected_frame_size;
    352     int last_q[2];                   // Separate values for Intra/Inter
    353     int target_bits_per_mb;
    354 
    355     double rate_correction_factor;
    356     double key_frame_rate_correction_factor;
    357     double gf_rate_correction_factor;
    358     double est_max_qcorrection_factor;
    359 
    360     int frames_till_gf_update_due;      // Count down till next GF
    361     int current_gf_interval;          // GF interval chosen when we coded the last GF
    362 
    363     int gf_overspend_bits;            // Total bits overspent becasue of GF boost (cumulative)
    364 
    365     int gf_group_bits;                // Projected Bits available for a group of frames including 1 GF or ARF
    366     int gf_bits;                     // Bits for the golden frame or ARF - 2 pass only
    367     int mid_gf_extra_bits;             // A few extra bits for the frame half way between two gfs.
    368 
    369     // Projected total bits available for a key frame group of frames
    370     long long kf_group_bits;
    371 
    372     // Error score of frames still to be coded in kf group
    373     long long kf_group_error_left;
    374 
    375     // Bits for the key frame in a key frame group - 2 pass only
    376     int kf_bits;
    377 
    378     int non_gf_bitrate_adjustment;     // Used in the few frames following a GF to recover the extra bits spent in that GF
    379     int initial_gf_use;               // percentage use of gf 2 frames after gf
    380 
    381     int gf_group_error_left;           // Remaining error from uncoded frames in a gf group. Two pass use only
    382 
    383     int kf_overspend_bits;            // Extra bits spent on key frames that need to be recovered on inter frames
    384     int kf_bitrate_adjustment;        // Current number of bit s to try and recover on each inter frame.
    385     int max_gf_interval;
    386     int baseline_gf_interval;
    387     int gf_decay_rate;
    388     int active_arnr_frames;           // <= cpi->oxcf.arnr_max_frames
    389 
    390     INT64 key_frame_count;
    391     INT64 tot_key_frame_bits;
    392     int prior_key_frame_size[KEY_FRAME_CONTEXT];
    393     int prior_key_frame_distance[KEY_FRAME_CONTEXT];
    394     int per_frame_bandwidth;          // Current section per frame bandwidth target
    395     int av_per_frame_bandwidth;        // Average frame size target for clip
    396     int min_frame_bandwidth;          // Minimum allocation that should be used for any frame
    397     int last_key_frame_size;
    398     int intra_frame_target;
    399     int inter_frame_target;
    400     double output_frame_rate;
    401     long long last_time_stamp_seen;
    402     long long first_time_stamp_ever;
    403 
    404     int ni_av_qi;
    405     int ni_tot_qi;
    406     int ni_frames;
    407     int avg_frame_qindex;
    408 
    409     int zbin_over_quant;
    410     int zbin_mode_boost;
    411     int zbin_mode_boost_enabled;
    412 
    413     INT64 total_byte_count;
    414 
    415     int buffered_mode;
    416 
    417     int buffer_level;
    418     int bits_off_target;
    419 
    420     int rolling_target_bits;
    421     int rolling_actual_bits;
    422 
    423     int long_rolling_target_bits;
    424     int long_rolling_actual_bits;
    425 
    426     long long total_actual_bits;
    427     int total_target_vs_actual;        // debug stats
    428 
    429     int worst_quality;
    430     int active_worst_quality;
    431     int best_quality;
    432     int active_best_quality;
    433 
    434     int drop_frames_allowed;          // Are we permitted to drop frames?
    435     int drop_frame;                  // Drop this frame?
    436     int drop_count;                  // How many frames have we dropped?
    437     int max_drop_count;               // How many frames should we drop?
    438     int max_consec_dropped_frames;     // Limit number of consecutive frames that can be dropped.
    439 
    440 
    441     int ymode_count [VP8_YMODES];        /* intra MB type cts this frame */
    442     int uv_mode_count[VP8_UV_MODES];       /* intra MB type cts this frame */
    443 
    444     unsigned int MVcount [2] [MVvals];  /* (row,col) MV cts this frame */
    445 
    446     unsigned int coef_counts [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens];  /* for this frame */
    447     //DECLARE_ALIGNED(16, int, coef_counts_backup [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens]);   //not used any more
    448     //save vp8_tree_probs_from_distribution result for each frame to avoid repeat calculation
    449     vp8_prob frame_coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens-1];
    450     unsigned int frame_branch_ct [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens-1][2];
    451 
    452     /* Second compressed data partition contains coefficient data. */
    453 
    454     unsigned char *output_partition2;
    455     size_t output_partition2size;
    456 
    457     pre_proc_instance ppi;
    458 
    459     int frames_to_key;
    460     int gfu_boost;
    461     int kf_boost;
    462     int last_boost;
    463     double total_error_left;
    464     double total_intra_error_left;
    465     double total_coded_error_left;
    466     double start_tot_err_left;
    467     double min_error;
    468 
    469     double modified_total_error_left;
    470     double avg_iiratio;
    471 
    472     int target_bandwidth;
    473     long long bits_left;
    474     FIRSTPASS_STATS *total_stats;
    475     FIRSTPASS_STATS *this_frame_stats;
    476     FIRSTPASS_STATS *stats_in, *stats_in_end;
    477     struct vpx_codec_pkt_list  *output_pkt_list;
    478     int                          first_pass_done;
    479     unsigned char *fp_motion_map;
    480 
    481     unsigned char *fp_motion_map_stats, *fp_motion_map_stats_save;
    482 
    483 #if 0
    484     // Experimental code for lagged and one pass
    485     ONEPASS_FRAMESTATS one_pass_frame_stats[MAX_LAG_BUFFERS];
    486     int one_pass_frame_index;
    487 #endif
    488 
    489     int decimation_factor;
    490     int decimation_count;
    491 
    492     // for real time encoding
    493     int avg_encode_time;              //microsecond
    494     int avg_pick_mode_time;            //microsecond
    495     int Speed;
    496     unsigned int cpu_freq;           //Mhz
    497     int compressor_speed;
    498 
    499     int interquantizer;
    500     int auto_gold;
    501     int auto_adjust_gold_quantizer;
    502     int goldquantizer;
    503     int goldfreq;
    504     int auto_adjust_key_quantizer;
    505     int keyquantizer;
    506     int auto_worst_q;
    507     int filter_type;
    508     int cpu_used;
    509     int chroma_boost;
    510     int horiz_scale;
    511     int vert_scale;
    512     int pass;
    513 
    514 
    515     int prob_intra_coded;
    516     int prob_last_coded;
    517     int prob_gf_coded;
    518     int prob_skip_false;
    519     int last_skip_false_probs[3];
    520     int last_skip_probs_q[3];
    521     int recent_ref_frame_usage[MAX_REF_FRAMES];
    522 
    523     int count_mb_ref_frame_usage[MAX_REF_FRAMES];
    524     int this_frame_percent_intra;
    525     int last_frame_percent_intra;
    526 
    527     int last_key_frame_q;
    528     int last_kffilt_lvl;
    529 
    530     int ref_frame_flags;
    531 
    532     int exp[512];
    533 
    534     SPEED_FEATURES sf;
    535     int error_bins[1024];
    536 
    537     int inter_lvl;
    538     int intra_lvl;
    539     int motion_lvl;
    540     int motion_speed;
    541     int motion_var;
    542     unsigned int next_iiratio;
    543     unsigned int this_iiratio;
    544     int this_frame_modified_error;
    545 
    546     double norm_intra_err_per_mb;
    547     double norm_inter_err_per_mb;
    548     double norm_iidiff_per_mb;
    549 
    550     int last_best_mode_index;          // Record of mode index chosen for previous macro block.
    551     int last_auto_filt_val;
    552     int last_auto_filt_q;
    553 
    554     // Data used for real time conferencing mode to help determine if it would be good to update the gf
    555     int inter_zz_count;
    556     int gf_bad_count;
    557     int gf_update_recommended;
    558     int skip_true_count;
    559     int skip_false_count;
    560 
    561     int alt_qcount;
    562 
    563     int ready_for_new_frame;
    564 
    565     unsigned char *segmentation_map;
    566     signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];            // Segment data (can be deltas or absolute values)
    567     int  segment_encode_breakout[MAX_MB_SEGMENTS];                    // segment threashold for encode breakout
    568 
    569     unsigned char *active_map;
    570     unsigned int active_map_enabled;
    571     // Video conferencing cyclic refresh mode flags etc
    572     // This is a mode designed to clean up the background over time in live encoding scenarious. It uses segmentation
    573     int cyclic_refresh_mode_enabled;
    574     int cyclic_refresh_mode_max_mbs_perframe;
    575     int cyclic_refresh_mode_index;
    576     int cyclic_refresh_q;
    577     signed char *cyclic_refresh_map;
    578 
    579     // multithread data
    580     int current_mb_col_main;
    581     int processor_core_count;
    582     int b_multi_threaded;
    583     int encoding_thread_count;
    584 
    585 #if CONFIG_MULTITHREAD
    586     pthread_t *h_encoding_thread;
    587 #endif
    588     MB_ROW_COMP *mb_row_ei;
    589     ENCODETHREAD_DATA *en_thread_data;
    590 
    591 #if CONFIG_MULTITHREAD
    592     //events
    593     sem_t *h_event_mbrencoding;
    594     sem_t h_event_main;
    595 #endif
    596 
    597     TOKENLIST *tplist;
    598     // end of multithread data
    599 
    600 
    601     fractional_mv_step_fp *find_fractional_mv_step;
    602     vp8_full_search_fn_t full_search_sad;
    603     vp8_diamond_search_fn_t diamond_search_sad;
    604     vp8_variance_fn_ptr_t fn_ptr[BLOCK_MAX_SEGMENTS];
    605     unsigned int time_receive_data;
    606     unsigned int time_compress_data;
    607     unsigned int time_pick_lpf;
    608     unsigned int time_encode_mb_row;
    609 
    610     unsigned int tempdata1;
    611     unsigned int tempdata2;
    612 
    613     int base_skip_false_prob[128];
    614     unsigned int section_is_low_motion;
    615     unsigned int section_benefits_from_aggresive_q;
    616     unsigned int section_is_fast_motion;
    617     unsigned int section_intra_rating;
    618 
    619     double section_max_qfactor;
    620 
    621 
    622 #if CONFIG_RUNTIME_CPU_DETECT
    623     VP8_ENCODER_RTCD            rtcd;
    624 #endif
    625 #if VP8_TEMPORAL_ALT_REF
    626     SOURCE_SAMPLE alt_ref_buffer;
    627     YV12_BUFFER_CONFIG *frames[MAX_LAG_BUFFERS];
    628     int fixed_divide[512];
    629 #endif
    630     // Flag to indicate temporal filter method
    631     int use_weighted_temporal_filter;
    632 
    633 #if CONFIG_PSNR
    634     int    count;
    635     double total_y;
    636     double total_u;
    637     double total_v;
    638     double total ;
    639     double total_sq_error;
    640     double totalp_y;
    641     double totalp_u;
    642     double totalp_v;
    643     double totalp;
    644     double total_sq_error2;
    645     int    bytes;
    646     double summed_quality;
    647     double summed_weights;
    648     unsigned int tot_recode_hits;
    649 
    650 
    651     double total_ssimg_y;
    652     double total_ssimg_u;
    653     double total_ssimg_v;
    654     double total_ssimg_all;
    655 
    656     int b_calculate_ssimg;
    657 #endif
    658     int b_calculate_psnr;
    659 
    660 
    661     unsigned char *gf_active_flags;   // Record of which MBs still refer to last golden frame either directly or through 0,0
    662     int gf_active_count;
    663 
    664 
    665 } VP8_COMP;
    666 
    667 void control_data_rate(VP8_COMP *cpi);
    668 
    669 void vp8_encode_frame(VP8_COMP *cpi);
    670 
    671 void vp8_pack_bitstream(VP8_COMP *cpi, unsigned char *dest, unsigned long *size);
    672 
    673 int rd_cost_intra_mb(MACROBLOCKD *x);
    674 
    675 void vp8_tokenize_mb(VP8_COMP *, MACROBLOCKD *, TOKENEXTRA **);
    676 
    677 void vp8_set_speed_features(VP8_COMP *cpi);
    678 
    679 #if CONFIG_DEBUG
    680 #define CHECK_MEM_ERROR(lval,expr) do {\
    681         lval = (expr); \
    682         if(!lval) \
    683             vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\
    684                                "Failed to allocate "#lval" at %s:%d", \
    685                                __FILE__,__LINE__);\
    686     } while(0)
    687 #else
    688 #define CHECK_MEM_ERROR(lval,expr) do {\
    689         lval = (expr); \
    690         if(!lval) \
    691             vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\
    692                                "Failed to allocate "#lval);\
    693     } while(0)
    694 #endif
    695 #endif
    696