git.sesse.net Git - x264/blob - encoder/encoder.c

   1 /*****************************************************************************
   2  * x264: h264 encoder
   3  *****************************************************************************
   4  * Copyright (C) 2003 Laurent Aimar
   5  * $Id: encoder.c,v 1.1 2004/06/03 19:27:08 fenrir Exp $
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 #include <stdlib.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <math.h>
  28
  29 #ifdef __WIN32__
  30 #include <windows.h>
  31 #define pthread_t               HANDLE
  32 #define pthread_create(t,u,f,d) *(t)=CreateThread(NULL,0,f,d,0,NULL)
  33 #define pthread_join(t,s)       { WaitForSingleObject(t,INFINITE); \
  34                                   CloseHandle(t); }
  35 #define HAVE_PTHREAD 1
  36
  37 #elif defined(SYS_BEOS)
  38 #include <kernel/OS.h>
  39 #define pthread_t               thread_id
  40 #define pthread_create(t,u,f,d) { *(t)=spawn_thread(f,"",10,d); \
  41                                   resume_thread(*(t)); }
  42 #define pthread_join(t,s)       wait_for_thread(t,(long*)s)
  43 #define HAVE_PTHREAD 1
  44
  45 #elif HAVE_PTHREAD
  46 #include <pthread.h>
  47 #endif
  48
  49 #include "common/common.h"
  50 #include "common/cpu.h"
  51
  52 #include "set.h"
  53 #include "analyse.h"
  54 #include "ratecontrol.h"
  55 #include "macroblock.h"
  56
  57 #if VISUALIZE
  58 #include "common/visualize.h"
  59 #endif
  60
  61 //#define DEBUG_MB_TYPE
  62 //#define DEBUG_DUMP_FRAME
  63 //#define DEBUG_BENCHMARK
  64
  65 #ifdef DEBUG_BENCHMARK
  66 static int64_t i_mtime_encode_frame = 0;
  67 static int64_t i_mtime_analyse = 0;
  68 static int64_t i_mtime_encode = 0;
  69 static int64_t i_mtime_write = 0;
  70 static int64_t i_mtime_filter = 0;
  71 #define TIMER_START( d ) \
  72     { \
  73         int64_t d##start = x264_mdate();
  74
  75 #define TIMER_STOP( d ) \
  76         d += x264_mdate() - d##start;\
  77     }
  78 #else
  79 #define TIMER_START( d )
  80 #define TIMER_STOP( d )
  81 #endif
  82
  83 #define NALU_OVERHEAD 5 // startcode + NAL type costs 5 bytes per frame
  84
  85 /****************************************************************************
  86  *
  87  ******************************* x264 libs **********************************
  88  *
  89  ****************************************************************************/
  90 static float x264_psnr( int64_t i_sqe, int64_t i_size )
  91 {
  92     double f_mse = (double)i_sqe / ((double)65025.0 * (double)i_size);
  93     if( f_mse <= 0.0000000001 ) /* Max 100dB */
  94         return 100;
  95
  96     return (float)(-10.0 * log( f_mse ) / log( 10.0 ));
  97 }
  98
  99 #ifdef DEBUG_DUMP_FRAME
 100 static void x264_frame_dump( x264_t *h, x264_frame_t *fr, char *name )
 101 {
 102     FILE * f = fopen( name, "a" );
 103     int i, y;
 104
 105     fseek( f, 0, SEEK_END );
 106
 107     for( i = 0; i < fr->i_plane; i++ )
 108     {
 109         for( y = 0; y < h->param.i_height / ( i == 0 ? 1 : 2 ); y++ )
 110         {
 111             fwrite( &fr->plane[i][y*fr->i_stride[i]], 1, h->param.i_width / ( i == 0 ? 1 : 2 ), f );
 112         }
 113     }
 114     fclose( f );
 115 }
 116 #endif
 117
 118
 119 /* Fill "default" values */
 120 static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
 121                                     x264_sps_t *sps, x264_pps_t *pps,
 122                                     int i_type, int i_idr_pic_id, int i_frame, int i_qp )
 123 {
 124     x264_param_t *param = &h->param;
 125     int i;
 126
 127     /* First we fill all field */
 128     sh->sps = sps;
 129     sh->pps = pps;
 130
 131     sh->i_type      = i_type;
 132     sh->i_first_mb  = 0;
 133     sh->i_last_mb   = h->sps->i_mb_width * h->sps->i_mb_height;
 134     sh->i_pps_id    = pps->i_id;
 135
 136     sh->i_frame_num = i_frame;
 137
 138     sh->b_field_pic = 0;    /* Not field support for now */
 139     sh->b_bottom_field = 1; /* not yet used */
 140
 141     sh->i_idr_pic_id = i_idr_pic_id;
 142
 143     /* poc stuff, fixed later */
 144     sh->i_poc_lsb = 0;
 145     sh->i_delta_poc_bottom = 0;
 146     sh->i_delta_poc[0] = 0;
 147     sh->i_delta_poc[1] = 0;
 148
 149     sh->i_redundant_pic_cnt = 0;
 150
 151     sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL );
 152
 153     sh->b_num_ref_idx_override = 0;
 154     sh->i_num_ref_idx_l0_active = 1;
 155     sh->i_num_ref_idx_l1_active = 1;
 156
 157     sh->b_ref_pic_list_reordering_l0 = h->b_ref_reorder[0];
 158     sh->b_ref_pic_list_reordering_l1 = h->b_ref_reorder[1];
 159
 160     /* If the ref list isn't in the default order, construct reordering header */
 161     /* List1 reordering isn't needed yet */
 162     if( sh->b_ref_pic_list_reordering_l0 )
 163     {
 164         int pred_frame_num = i_frame;
 165         for( i = 0; i < h->i_ref0; i++ )
 166         {
 167             int diff = h->fref0[i]->i_frame_num - pred_frame_num;
 168             if( diff == 0 )
 169                 x264_log( h, X264_LOG_ERROR, "diff frame num == 0\n" );
 170             sh->ref_pic_list_order[0][i].idc = ( diff > 0 );
 171             sh->ref_pic_list_order[0][i].arg = abs( diff ) - 1;
 172             pred_frame_num = h->fref0[i]->i_frame_num;
 173         }
 174     }
 175
 176     sh->i_cabac_init_idc = param->i_cabac_init_idc;
 177
 178     sh->i_qp = i_qp;
 179     sh->i_qp_delta = i_qp - pps->i_pic_init_qp;
 180     sh->b_sp_for_swidth = 0;
 181     sh->i_qs_delta = 0;
 182
 183     /* If effective qp <= 15, deblocking would have no effect anyway */
 184     if( param->b_deblocking_filter
 185         && ( h->mb.b_variable_qp
 186         || 15 < i_qp + X264_MAX(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta) ) )
 187     {
 188         sh->i_disable_deblocking_filter_idc = 0;
 189     }
 190     else
 191     {
 192         sh->i_disable_deblocking_filter_idc = 1;
 193     }
 194     sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1;
 195     sh->i_beta_offset = param->i_deblocking_filter_beta << 1;
 196 }
 197
 198 static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc )
 199 {
 200     int i;
 201
 202     bs_write_ue( s, sh->i_first_mb );
 203     bs_write_ue( s, sh->i_type + 5 );   /* same type things */
 204     bs_write_ue( s, sh->i_pps_id );
 205     bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num );
 206
 207     if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */
 208     {
 209         bs_write_ue( s, sh->i_idr_pic_id );
 210     }
 211
 212     if( sh->sps->i_poc_type == 0 )
 213     {
 214         bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc_lsb );
 215         if( sh->pps->b_pic_order && !sh->b_field_pic )
 216         {
 217             bs_write_se( s, sh->i_delta_poc_bottom );
 218         }
 219     }
 220     else if( sh->sps->i_poc_type == 1 && !sh->sps->b_delta_pic_order_always_zero )
 221     {
 222         bs_write_se( s, sh->i_delta_poc[0] );
 223         if( sh->pps->b_pic_order && !sh->b_field_pic )
 224         {
 225             bs_write_se( s, sh->i_delta_poc[1] );
 226         }
 227     }
 228
 229     if( sh->pps->b_redundant_pic_cnt )
 230     {
 231         bs_write_ue( s, sh->i_redundant_pic_cnt );
 232     }
 233
 234     if( sh->i_type == SLICE_TYPE_B )
 235     {
 236         bs_write1( s, sh->b_direct_spatial_mv_pred );
 237     }
 238     if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP || sh->i_type == SLICE_TYPE_B )
 239     {
 240         bs_write1( s, sh->b_num_ref_idx_override );
 241         if( sh->b_num_ref_idx_override )
 242         {
 243             bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 );
 244             if( sh->i_type == SLICE_TYPE_B )
 245             {
 246                 bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 );
 247             }
 248         }
 249     }
 250
 251     /* ref pic list reordering */
 252     if( sh->i_type != SLICE_TYPE_I )
 253     {
 254         bs_write1( s, sh->b_ref_pic_list_reordering_l0 );
 255         if( sh->b_ref_pic_list_reordering_l0 )
 256         {
 257             for( i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
 258             {
 259                 bs_write_ue( s, sh->ref_pic_list_order[0][i].idc );
 260                 bs_write_ue( s, sh->ref_pic_list_order[0][i].arg );
 261
 262             }
 263             bs_write_ue( s, 3 );
 264         }
 265     }
 266     if( sh->i_type == SLICE_TYPE_B )
 267     {
 268         bs_write1( s, sh->b_ref_pic_list_reordering_l1 );
 269         if( sh->b_ref_pic_list_reordering_l1 )
 270         {
 271             for( i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
 272             {
 273                 bs_write_ue( s, sh->ref_pic_list_order[1][i].idc );
 274                 bs_write_ue( s, sh->ref_pic_list_order[1][i].arg );
 275             }
 276             bs_write_ue( s, 3 );
 277         }
 278     }
 279
 280     if( ( sh->pps->b_weighted_pred && ( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP ) ) ||
 281         ( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B ) )
 282     {
 283         /* FIXME */
 284     }
 285
 286     if( i_nal_ref_idc != 0 )
 287     {
 288         if( sh->i_idr_pic_id >= 0 )
 289         {
 290             bs_write1( s, 0 );  /* no output of prior pics flag */
 291             bs_write1( s, 0 );  /* long term reference flag */
 292         }
 293         else
 294         {
 295             bs_write1( s, 0 );  /* adaptive_ref_pic_marking_mode_flag */
 296         }
 297     }
 298
 299     if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I )
 300     {
 301         bs_write_ue( s, sh->i_cabac_init_idc );
 302     }
 303     bs_write_se( s, sh->i_qp_delta );      /* slice qp delta */
 304
 305     if( sh->pps->b_deblocking_filter_control )
 306     {
 307         bs_write_ue( s, sh->i_disable_deblocking_filter_idc );
 308         if( sh->i_disable_deblocking_filter_idc != 1 )
 309         {
 310             bs_write_se( s, sh->i_alpha_c0_offset >> 1 );
 311             bs_write_se( s, sh->i_beta_offset >> 1 );
 312         }
 313     }
 314 }
 315
 316 /****************************************************************************
 317  *
 318  ****************************************************************************
 319  ****************************** External API*********************************
 320  ****************************************************************************
 321  *
 322  ****************************************************************************/
 323
 324 static int x264_validate_parameters( x264_t *h )
 325 {
 326     if( h->param.i_width <= 0 || h->param.i_height <= 0 )
 327     {
 328         x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
 329                   h->param.i_width, h->param.i_height );
 330         return -1;
 331     }
 332
 333     if( h->param.i_width % 2 || h->param.i_height % 2 )
 334     {
 335         x264_log( h, X264_LOG_ERROR, "width or height not divisible by 2 (%dx%d)\n",
 336                   h->param.i_width, h->param.i_height );
 337         return -1;
 338     }
 339     if( h->param.i_csp != X264_CSP_I420 )
 340     {
 341         x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420 supported)\n" );
 342         return -1;
 343     }
 344
 345     h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_SLICE_MAX );
 346     h->param.i_threads = X264_MIN( h->param.i_threads, (h->param.i_height + 15) / 16 );
 347 #if !(HAVE_PTHREAD)
 348     if( h->param.i_threads > 1 )
 349     {
 350         x264_log( h, X264_LOG_WARNING, "not compiled with pthread support!\n");
 351         x264_log( h, X264_LOG_WARNING, "multislicing anyway, but you won't see any speed gain.\n" );
 352     }
 353 #endif
 354
 355     if( h->param.rc.i_rf_constant > 0 )
 356         h->param.rc.i_qp_constant = h->param.rc.i_rf_constant;
 357     h->param.rc.i_rf_constant = x264_clip3( h->param.rc.i_rf_constant, 0, 51 );
 358     h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, 51 );
 359     if( !h->param.rc.b_cbr && h->param.rc.i_qp_constant == 0 )
 360     {
 361         h->mb.b_lossless = 1;
 362         h->param.analyse.b_transform_8x8 = 0;
 363         h->param.i_cqm_preset = X264_CQM_FLAT;
 364         h->param.psz_cqm_file = NULL;
 365         h->param.rc.f_ip_factor = 1;
 366         h->param.rc.f_pb_factor = 1;
 367         h->param.analyse.b_psnr = 0;
 368     }
 369
 370     if( ( h->param.i_width % 16 || h->param.i_height % 16 ) && !h->mb.b_lossless )
 371     {
 372         x264_log( h, X264_LOG_WARNING,
 373                   "width or height not divisible by 16 (%dx%d), compression will suffer.\n",
 374                   h->param.i_width, h->param.i_height );
 375     }
 376
 377     h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, 16 );
 378     if( h->param.i_keyint_max <= 0 )
 379         h->param.i_keyint_max = 1;
 380     h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
 381
 382     h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_BFRAME_MAX );
 383     h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
 384     h->param.b_bframe_pyramid = h->param.b_bframe_pyramid && h->param.i_bframe > 1;
 385     h->param.b_bframe_adaptive = h->param.b_bframe_adaptive && h->param.i_bframe > 0;
 386
 387     h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 );
 388     h->param.i_deblocking_filter_beta    = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 );
 389
 390     h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 );
 391
 392     if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
 393         h->param.i_cqm_preset = X264_CQM_FLAT;
 394
 395     if( h->param.analyse.i_me_method < X264_ME_DIA ||
 396         h->param.analyse.i_me_method > X264_ME_ESA )
 397         h->param.analyse.i_me_method = X264_ME_HEX;
 398     if( h->param.analyse.i_me_range < 4 )
 399         h->param.analyse.i_me_range = 4;
 400     if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
 401         h->param.analyse.i_me_range = 16;
 402     h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 1, 6 );
 403     if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
 404         h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
 405     if( !h->param.analyse.b_transform_8x8 )
 406     {
 407         h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
 408         h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
 409     }
 410     h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
 411     h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 2048);
 412     if( !h->param.b_cabac )
 413         h->param.analyse.i_trellis = 0;
 414
 415     if( h->param.rc.f_qblur < 0 )
 416         h->param.rc.f_qblur = 0;
 417     if( h->param.rc.f_complexity_blur < 0 )
 418         h->param.rc.f_complexity_blur = 0;
 419
 420     return 0;
 421 }
 422
 423 /****************************************************************************
 424  * x264_encoder_open:
 425  ****************************************************************************/
 426 x264_t *x264_encoder_open   ( x264_param_t *param )
 427 {
 428     x264_t *h = x264_malloc( sizeof( x264_t ) );
 429     int i;
 430
 431     memset( h, 0, sizeof( x264_t ) );
 432
 433     /* Create a copy of param */
 434     memcpy( &h->param, param, sizeof( x264_param_t ) );
 435
 436     if( x264_validate_parameters( h ) < 0 )
 437     {
 438         x264_free( h );
 439         return NULL;
 440     }
 441
 442     if( h->param.psz_cqm_file )
 443         if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
 444         {
 445             x264_free( h );
 446             return NULL;
 447         }
 448
 449     if( h->param.rc.psz_stat_out )
 450         h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out );
 451     if( h->param.rc.psz_stat_in )
 452         h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
 453     if( h->param.rc.psz_rc_eq )
 454         h->param.rc.psz_rc_eq = strdup( h->param.rc.psz_rc_eq );
 455
 456     /* VUI */
 457     if( h->param.vui.i_sar_width > 0 && h->param.vui.i_sar_height > 0 )
 458     {
 459         int i_w = param->vui.i_sar_width;
 460         int i_h = param->vui.i_sar_height;
 461         int a = i_w, b = i_h;
 462
 463         while( b != 0 )
 464         {
 465             int t = a;
 466
 467             a = b;
 468             b = t % b;
 469         }
 470
 471         i_w /= a;
 472         i_h /= a;
 473         while( i_w > 65535 || i_h > 65535 )
 474         {
 475             i_w /= 2;
 476             i_h /= 2;
 477         }
 478
 479         h->param.vui.i_sar_width = 0;
 480         h->param.vui.i_sar_height = 0;
 481         if( i_w == 0 || i_h == 0 )
 482         {
 483             x264_log( h, X264_LOG_ERROR, "cannot create valid sample aspect ratio\n" );
 484         }
 485         else if( i_w == i_h )
 486         {
 487             x264_log( h, X264_LOG_INFO, "no need for a SAR\n" );
 488         }
 489         else
 490         {
 491             x264_log( h, X264_LOG_INFO, "using SAR=%d/%d\n", i_w, i_h );
 492             h->param.vui.i_sar_width = i_w;
 493             h->param.vui.i_sar_height = i_h;
 494         }
 495     }
 496
 497
 498     /* Init x264_t */
 499     h->out.i_nal = 0;
 500     h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 1.7
 501         * ( h->param.rc.b_cbr ? pow( 0.5, h->param.rc.i_qp_min )
 502           : pow( 0.5, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
 503     h->out.p_bitstream = x264_malloc( h->out.i_bitstream );
 504
 505     h->i_frame = 0;
 506     h->i_frame_num = 0;
 507     h->i_idr_pic_id = 0;
 508
 509     h->sps = &h->sps_array[0];
 510     x264_sps_init( h->sps, 0, &h->param );
 511
 512     h->pps = &h->pps_array[0];
 513     x264_pps_init( h->pps, 0, &h->param, h->sps);
 514
 515     x264_cqm_init( h );
 516
 517     h->mb.i_mb_count = h->sps->i_mb_width * h->sps->i_mb_height;
 518
 519     /* Init frames. */
 520     h->frames.i_delay = h->param.i_bframe;
 521     h->frames.i_max_ref0 = h->param.i_frame_reference;
 522     h->frames.i_max_ref1 = h->sps->vui.i_num_reorder_frames;
 523     h->frames.i_max_dpb  = h->sps->vui.i_max_dec_frame_buffering + 1;
 524     h->frames.b_have_lowres = !h->param.rc.b_stat_read
 525         && ( h->param.rc.b_cbr || h->param.rc.i_rf_constant || h->param.b_bframe_adaptive );
 526
 527     for( i = 0; i < X264_BFRAME_MAX + 3; i++ )
 528     {
 529         h->frames.current[i] = NULL;
 530         h->frames.next[i]    = NULL;
 531         h->frames.unused[i]  = NULL;
 532     }
 533     for( i = 0; i < 1 + h->frames.i_delay; i++ )
 534     {
 535         h->frames.unused[i] =  x264_frame_new( h );
 536     }
 537     for( i = 0; i < h->frames.i_max_dpb; i++ )
 538     {
 539         h->frames.reference[i] = x264_frame_new( h );
 540     }
 541     h->frames.reference[h->frames.i_max_dpb] = NULL;
 542     h->frames.i_last_idr = - h->param.i_keyint_max;
 543     h->frames.i_input    = 0;
 544     h->frames.last_nonb  = NULL;
 545
 546     h->i_ref0 = 0;
 547     h->i_ref1 = 0;
 548
 549     h->fdec = h->frames.reference[0];
 550
 551     x264_macroblock_cache_init( h );
 552     x264_rdo_init( );
 553
 554     /* init CPU functions */
 555     x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
 556     x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
 557     x264_predict_8x8_init( h->param.cpu, h->predict_8x8 );
 558     x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
 559
 560     x264_pixel_init( h->param.cpu, &h->pixf );
 561     x264_dct_init( h->param.cpu, &h->dctf );
 562     x264_mc_init( h->param.cpu, &h->mc );
 563     x264_csp_init( h->param.cpu, h->param.i_csp, &h->csp );
 564     x264_quant_init( h, h->param.cpu, &h->quantf );
 565     x264_deblock_init( h->param.cpu, &h->loopf );
 566
 567     memcpy( h->pixf.mbcmp,
 568             ( h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1 ) ? h->pixf.sad : h->pixf.satd,
 569             sizeof(h->pixf.mbcmp) );
 570
 571     /* rate control */
 572     if( x264_ratecontrol_new( h ) < 0 )
 573         return NULL;
 574
 575     x264_log( h, X264_LOG_INFO, "using cpu capabilities %s%s%s%s%s%s\n",
 576              param->cpu&X264_CPU_MMX ? "MMX " : "",
 577              param->cpu&X264_CPU_MMXEXT ? "MMXEXT " : "",
 578              param->cpu&X264_CPU_SSE ? "SSE " : "",
 579              param->cpu&X264_CPU_SSE2 ? "SSE2 " : "",
 580              param->cpu&X264_CPU_3DNOW ? "3DNow! " : "",
 581              param->cpu&X264_CPU_ALTIVEC ? "Altivec " : "" );
 582
 583     h->thread[0] = h;
 584     for( i = 1; i < param->i_threads; i++ )
 585         h->thread[i] = x264_malloc( sizeof(x264_t) );
 586
 587     return h;
 588 }
 589
 590 /****************************************************************************
 591  * x264_encoder_reconfig:
 592  ****************************************************************************/
 593 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
 594 {
 595     h->param.i_bframe_bias = param->i_bframe_bias;
 596     h->param.i_deblocking_filter_alphac0 = param->i_deblocking_filter_alphac0;
 597     h->param.i_deblocking_filter_beta    = param->i_deblocking_filter_beta;
 598     h->param.analyse.i_me_method = param->analyse.i_me_method;
 599     h->param.analyse.i_me_range = param->analyse.i_me_range;
 600     h->param.analyse.i_subpel_refine = param->analyse.i_subpel_refine;
 601     h->param.analyse.i_trellis = param->analyse.i_trellis;
 602     h->param.analyse.intra = param->analyse.intra;
 603     h->param.analyse.inter = param->analyse.inter;
 604     if( h->sps->b_direct8x8_inference && h->param.i_bframe
 605         && h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_TEMPORAL )
 606         h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
 607
 608     memcpy( h->pixf.mbcmp,
 609             ( h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1 ) ? h->pixf.sad : h->pixf.satd,
 610             sizeof(h->pixf.mbcmp) );
 611
 612     return x264_validate_parameters( h );
 613 }
 614
 615 /* internal usage */
 616 static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
 617 {
 618     x264_nal_t *nal = &h->out.nal[h->out.i_nal];
 619
 620     nal->i_ref_idc = i_ref_idc;
 621     nal->i_type    = i_type;
 622
 623     bs_align_0( &h->out.bs );   /* not needed */
 624
 625     nal->i_payload= 0;
 626     nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs) / 8];
 627 }
 628 static void x264_nal_end( x264_t *h )
 629 {
 630     x264_nal_t *nal = &h->out.nal[h->out.i_nal];
 631
 632     bs_align_0( &h->out.bs );   /* not needed */
 633
 634     nal->i_payload = &h->out.p_bitstream[bs_pos( &h->out.bs)/8] - nal->p_payload;
 635
 636     h->out.i_nal++;
 637 }
 638
 639 /****************************************************************************
 640  * x264_encoder_headers:
 641  ****************************************************************************/
 642 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
 643 {
 644     /* init bitstream context */
 645     h->out.i_nal = 0;
 646     bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
 647
 648     /* Put SPS and PPS */
 649     if( h->i_frame == 0 )
 650     {
 651         /* identify ourself */
 652         x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
 653         x264_sei_version_write( &h->out.bs );
 654         x264_nal_end( h );
 655
 656         /* generate sequence parameters */
 657         x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
 658         x264_sps_write( &h->out.bs, h->sps );
 659         x264_nal_end( h );
 660
 661         /* generate picture parameters */
 662         x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
 663         x264_pps_write( &h->out.bs, h->pps );
 664         x264_nal_end( h );
 665     }
 666     /* now set output*/
 667     *pi_nal = h->out.i_nal;
 668     *pp_nal = &h->out.nal[0];
 669
 670     return 0;
 671 }
 672
 673
 674 static void x264_frame_put( x264_frame_t *list[X264_BFRAME_MAX], x264_frame_t *frame )
 675 {
 676     int i = 0;
 677     while( list[i] ) i++;
 678     list[i] = frame;
 679 }
 680
 681 static void x264_frame_push( x264_frame_t *list[X264_BFRAME_MAX], x264_frame_t *frame )
 682 {
 683     int i = 0;
 684     while( list[i] ) i++;
 685     while( i-- )
 686         list[i+1] = list[i];
 687     list[0] = frame;
 688 }
 689
 690 static x264_frame_t *x264_frame_get( x264_frame_t *list[X264_BFRAME_MAX+1] )
 691 {
 692     x264_frame_t *frame = list[0];
 693     int i;
 694     for( i = 0; list[i]; i++ )
 695         list[i] = list[i+1];
 696     return frame;
 697 }
 698
 699 static void x264_frame_sort( x264_frame_t *list[X264_BFRAME_MAX+1], int b_dts )
 700 {
 701     int i, b_ok;
 702     do {
 703         b_ok = 1;
 704         for( i = 0; list[i+1]; i++ )
 705         {
 706             int dtype = list[i]->i_type - list[i+1]->i_type;
 707             int dtime = list[i]->i_frame - list[i+1]->i_frame;
 708             int swap = b_dts ? dtype > 0 || ( dtype == 0 && dtime > 0 )
 709                              : dtime > 0;
 710             if( swap )
 711             {
 712                 XCHG( x264_frame_t*, list[i], list[i+1] );
 713                 b_ok = 0;
 714             }
 715         }
 716     } while( !b_ok );
 717 }
 718 #define x264_frame_sort_dts(list) x264_frame_sort(list, 1)
 719 #define x264_frame_sort_pts(list) x264_frame_sort(list, 0)
 720
 721 static inline void x264_reference_build_list( x264_t *h, int i_poc, int i_slice_type )
 722 {
 723     int i;
 724     int b_ok;
 725
 726     /* build ref list 0/1 */
 727     h->i_ref0 = 0;
 728     h->i_ref1 = 0;
 729     for( i = 1; i < h->frames.i_max_dpb; i++ )
 730     {
 731         if( h->frames.reference[i]->i_poc >= 0 )
 732         {
 733             if( h->frames.reference[i]->i_poc < i_poc )
 734             {
 735                 h->fref0[h->i_ref0++] = h->frames.reference[i];
 736             }
 737             else if( h->frames.reference[i]->i_poc > i_poc )
 738             {
 739                 h->fref1[h->i_ref1++] = h->frames.reference[i];
 740             }
 741         }
 742     }
 743
 744     /* Order ref0 from higher to lower poc */
 745     do
 746     {
 747         b_ok = 1;
 748         for( i = 0; i < h->i_ref0 - 1; i++ )
 749         {
 750             if( h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
 751             {
 752                 XCHG( x264_frame_t*, h->fref0[i], h->fref0[i+1] );
 753                 b_ok = 0;
 754                 break;
 755             }
 756         }
 757     } while( !b_ok );
 758     /* Order ref1 from lower to higher poc (bubble sort) for B-frame */
 759     do
 760     {
 761         b_ok = 1;
 762         for( i = 0; i < h->i_ref1 - 1; i++ )
 763         {
 764             if( h->fref1[i]->i_poc > h->fref1[i+1]->i_poc )
 765             {
 766                 XCHG( x264_frame_t*, h->fref1[i], h->fref1[i+1] );
 767                 b_ok = 0;
 768                 break;
 769             }
 770         }
 771     } while( !b_ok );
 772
 773     /* In the standard, a P-frame's ref list is sorted by frame_num.
 774      * We use POC, but check whether explicit reordering is needed */
 775     h->b_ref_reorder[0] =
 776     h->b_ref_reorder[1] = 0;
 777     if( i_slice_type == SLICE_TYPE_P )
 778     {
 779         for( i = 0; i < h->i_ref0 - 1; i++ )
 780             if( h->fref0[i]->i_frame_num < h->fref0[i+1]->i_frame_num )
 781             {
 782                 h->b_ref_reorder[0] = 1;
 783                 break;
 784             }
 785     }
 786
 787     h->i_ref1 = X264_MIN( h->i_ref1, h->frames.i_max_ref1 );
 788     h->i_ref0 = X264_MIN( h->i_ref0, h->frames.i_max_ref0 );
 789     h->i_ref0 = X264_MIN( h->i_ref0, 16 - h->i_ref1 );
 790 }
 791
 792 static inline void x264_reference_update( x264_t *h )
 793 {
 794     int i;
 795
 796     /* apply deblocking filter to the current decoded picture */
 797     if( !h->sh.i_disable_deblocking_filter_idc )
 798     {
 799         TIMER_START( i_mtime_filter );
 800         x264_frame_deblocking_filter( h, h->sh.i_type );
 801         TIMER_STOP( i_mtime_filter );
 802     }
 803     /* expand border */
 804     x264_frame_expand_border( h->fdec );
 805
 806     /* create filtered images */
 807     x264_frame_filter( h->param.cpu, h->fdec );
 808
 809     /* expand border of filtered images */
 810     x264_frame_expand_border_filtered( h->fdec );
 811
 812     /* move lowres copy of the image to the ref frame */
 813     for( i = 0; i < 4; i++)
 814         XCHG( uint8_t*, h->fdec->lowres[i], h->fenc->lowres[i] );
 815
 816     /* adaptive B decision needs a pointer, since it can't use the ref lists */
 817     if( h->sh.i_type != SLICE_TYPE_B )
 818         h->frames.last_nonb = h->fdec;
 819
 820     /* move frame in the buffer */
 821     h->fdec = h->frames.reference[h->frames.i_max_dpb-1];
 822     for( i = h->frames.i_max_dpb-1; i > 0; i-- )
 823     {
 824         h->frames.reference[i] = h->frames.reference[i-1];
 825     }
 826     h->frames.reference[0] = h->fdec;
 827 }
 828
 829 static inline void x264_reference_reset( x264_t *h )
 830 {
 831     int i;
 832
 833     /* reset ref pictures */
 834     for( i = 1; i < h->frames.i_max_dpb; i++ )
 835     {
 836         h->frames.reference[i]->i_poc = -1;
 837     }
 838     h->frames.reference[0]->i_poc = 0;
 839 }
 840
 841 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_slice_type, int i_global_qp )
 842 {
 843     /* ------------------------ Create slice header  ----------------------- */
 844     if( i_nal_type == NAL_SLICE_IDR )
 845     {
 846         x264_slice_header_init( h, &h->sh, h->sps, h->pps, i_slice_type, h->i_idr_pic_id, h->i_frame_num - 1, i_global_qp );
 847
 848         /* increment id */
 849         h->i_idr_pic_id = ( h->i_idr_pic_id + 1 ) % 65536;
 850     }
 851     else
 852     {
 853         x264_slice_header_init( h, &h->sh, h->sps, h->pps, i_slice_type, -1, h->i_frame_num - 1, i_global_qp );
 854
 855         /* always set the real higher num of ref frame used */
 856         h->sh.b_num_ref_idx_override = 1;
 857         h->sh.i_num_ref_idx_l0_active = h->i_ref0 <= 0 ? 1 : h->i_ref0;
 858         h->sh.i_num_ref_idx_l1_active = h->i_ref1 <= 0 ? 1 : h->i_ref1;
 859     }
 860
 861     h->fdec->i_frame_num = h->sh.i_frame_num;
 862
 863     if( h->sps->i_poc_type == 0 )
 864     {
 865         h->sh.i_poc_lsb = h->fdec->i_poc & ( (1 << h->sps->i_log2_max_poc_lsb) - 1 );
 866         h->sh.i_delta_poc_bottom = 0;   /* XXX won't work for field */
 867     }
 868     else if( h->sps->i_poc_type == 1 )
 869     {
 870         /* FIXME TODO FIXME */
 871     }
 872     else
 873     {
 874         /* Nothing to do ? */
 875     }
 876
 877     x264_macroblock_slice_init( h );
 878 }
 879
 880 static int x264_slice_write( x264_t *h )
 881 {
 882     int i_skip;
 883     int mb_xy;
 884     int i;
 885
 886     /* init stats */
 887     memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
 888
 889     /* Slice */
 890     x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
 891
 892     /* Slice header */
 893     x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
 894     if( h->param.b_cabac )
 895     {
 896         /* alignment needed */
 897         bs_align_1( &h->out.bs );
 898
 899         /* init cabac */
 900         x264_cabac_context_init( &h->cabac, h->sh.i_type, h->sh.i_qp, h->sh.i_cabac_init_idc );
 901         x264_cabac_encode_init ( &h->cabac, &h->out.bs );
 902     }
 903     h->mb.i_last_qp = h->sh.i_qp;
 904     h->mb.i_last_dqp = 0;
 905
 906     for( mb_xy = h->sh.i_first_mb, i_skip = 0; mb_xy < h->sh.i_last_mb; mb_xy++ )
 907     {
 908         const int i_mb_y = mb_xy / h->sps->i_mb_width;
 909         const int i_mb_x = mb_xy % h->sps->i_mb_width;
 910
 911         int mb_spos = bs_pos(&h->out.bs);
 912
 913         /* load cache */
 914         x264_macroblock_cache_load( h, i_mb_x, i_mb_y );
 915
 916         /* analyse parameters
 917          * Slice I: choose I_4x4 or I_16x16 mode
 918          * Slice P: choose between using P mode or intra (4x4 or 16x16)
 919          * */
 920         TIMER_START( i_mtime_analyse );
 921         x264_macroblock_analyse( h );
 922         TIMER_STOP( i_mtime_analyse );
 923
 924         /* encode this macrobock -> be carefull it can change the mb type to P_SKIP if needed */
 925         TIMER_START( i_mtime_encode );
 926         x264_macroblock_encode( h );
 927         TIMER_STOP( i_mtime_encode );
 928
 929         TIMER_START( i_mtime_write );
 930         if( h->param.b_cabac )
 931         {
 932             if( mb_xy > h->sh.i_first_mb )
 933                 x264_cabac_encode_terminal( &h->cabac, 0 );
 934
 935             if( IS_SKIP( h->mb.i_type ) )
 936                 x264_cabac_mb_skip( h, 1 );
 937             else
 938             {
 939                 if( h->sh.i_type != SLICE_TYPE_I )
 940                     x264_cabac_mb_skip( h, 0 );
 941                 x264_macroblock_write_cabac( h, &h->cabac );
 942             }
 943         }
 944         else
 945         {
 946             if( IS_SKIP( h->mb.i_type ) )
 947                 i_skip++;
 948             else
 949             {
 950                 if( h->sh.i_type != SLICE_TYPE_I )
 951                 {
 952                     bs_write_ue( &h->out.bs, i_skip );  /* skip run */
 953                     i_skip = 0;
 954                 }
 955                 x264_macroblock_write_cavlc( h, &h->out.bs );
 956             }
 957         }
 958         TIMER_STOP( i_mtime_write );
 959
 960 #if VISUALIZE
 961         if( h->param.b_visualize )
 962             x264_visualize_mb( h );
 963 #endif
 964
 965         /* save cache */
 966         x264_macroblock_cache_save( h );
 967
 968         /* accumulate mb stats */
 969         h->stat.frame.i_mb_count[h->mb.i_type]++;
 970         if( !IS_SKIP(h->mb.i_type) && !IS_INTRA(h->mb.i_type) && !IS_DIRECT(h->mb.i_type) )
 971         {
 972             if( h->mb.i_partition != D_8x8 )
 973                 h->stat.frame.i_mb_count_size[ x264_mb_partition_pixel_table[ h->mb.i_partition ] ] += 4;
 974             else
 975                 for( i = 0; i < 4; i++ )
 976                     h->stat.frame.i_mb_count_size[ x264_mb_partition_pixel_table[ h->mb.i_sub_partition[i] ] ] ++;
 977             if( h->param.i_frame_reference > 1 )
 978             {
 979                 for( i = 0; i < 4; i++ )
 980                 {
 981                     int i_ref = h->mb.cache.ref[0][ x264_scan8[4*i] ];
 982                     if( i_ref >= 0 )
 983                         h->stat.frame.i_mb_count_ref[i_ref] ++;
 984                 }
 985             }
 986         }
 987         if( h->mb.i_cbp_luma && !IS_INTRA(h->mb.i_type) )
 988         {
 989             h->stat.frame.i_mb_count_8x8dct[0] ++;
 990             h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
 991         }
 992
 993         if( h->mb.b_variable_qp )
 994             x264_ratecontrol_mb(h, bs_pos(&h->out.bs) - mb_spos);
 995     }
 996
 997     if( h->param.b_cabac )
 998     {
 999         /* end of slice */
1000         x264_cabac_encode_terminal( &h->cabac, 1 );
1001     }
1002     else if( i_skip > 0 )
1003     {
1004         bs_write_ue( &h->out.bs, i_skip );  /* last skip run */
1005     }
1006
1007     if( h->param.b_cabac )
1008     {
1009         x264_cabac_encode_flush( &h->cabac );
1010
1011     }
1012     else
1013     {
1014         /* rbsp_slice_trailing_bits */
1015         bs_rbsp_trailing( &h->out.bs );
1016     }
1017
1018     x264_nal_end( h );
1019
1020     /* Compute misc bits */
1021     h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
1022                               + NALU_OVERHEAD * 8
1023                               - h->stat.frame.i_itex_bits
1024                               - h->stat.frame.i_ptex_bits
1025                               - h->stat.frame.i_hdr_bits;
1026
1027     return 0;
1028 }
1029
1030 static inline int x264_slices_write( x264_t *h )
1031 {
1032     int i_frame_size;
1033
1034 #if VISUALIZE
1035     if( h->param.b_visualize )
1036         x264_visualize_init( h );
1037 #endif
1038
1039     if( h->param.i_threads == 1 )
1040     {
1041         x264_slice_write( h );
1042         i_frame_size = h->out.nal[h->out.i_nal-1].i_payload;
1043     }
1044     else
1045     {
1046         int i_nal = h->out.i_nal;
1047         int i_bs_size = h->out.i_bitstream / h->param.i_threads;
1048         int i;
1049         /* duplicate contexts */
1050         for( i = 0; i < h->param.i_threads; i++ )
1051         {
1052             x264_t *t = h->thread[i];
1053             if( i > 0 )
1054             {
1055                 memcpy( t, h, sizeof(x264_t) );
1056                 t->out.p_bitstream += i*i_bs_size;
1057                 bs_init( &t->out.bs, t->out.p_bitstream, i_bs_size );
1058             }
1059             t->sh.i_first_mb = (i    * h->sps->i_mb_height / h->param.i_threads) * h->sps->i_mb_width;
1060             t->sh.i_last_mb = ((i+1) * h->sps->i_mb_height / h->param.i_threads) * h->sps->i_mb_width;
1061             t->out.i_nal = i_nal + i;
1062         }
1063
1064         /* dispatch */
1065 #if HAVE_PTHREAD
1066         {
1067             pthread_t handles[X264_SLICE_MAX];
1068             void *status;
1069             for( i = 0; i < h->param.i_threads; i++ )
1070                 pthread_create( &handles[i], NULL, (void*)x264_slice_write, (void*)h->thread[i] );
1071             for( i = 0; i < h->param.i_threads; i++ )
1072                 pthread_join( handles[i], &status );
1073         }
1074 #else
1075         for( i = 0; i < h->param.i_threads; i++ )
1076             x264_slice_write( h->thread[i] );
1077 #endif
1078
1079         /* merge contexts */
1080         i_frame_size = h->out.nal[i_nal].i_payload;
1081         for( i = 1; i < h->param.i_threads; i++ )
1082         {
1083             int j;
1084             x264_t *t = h->thread[i];
1085             h->out.nal[i_nal+i] = t->out.nal[i_nal+i];
1086             i_frame_size += t->out.nal[i_nal+i].i_payload;
1087             // all entries in stat.frame are ints
1088             for( j = 0; j < sizeof(h->stat.frame) / sizeof(int); j++ )
1089                 ((int*)&h->stat.frame)[j] += ((int*)&t->stat.frame)[j];
1090         }
1091         h->out.i_nal = i_nal + h->param.i_threads;
1092     }
1093
1094 #if VISUALIZE
1095     if( h->param.b_visualize )
1096     {
1097         x264_visualize_show( h );
1098         x264_visualize_close( h );
1099     }
1100 #endif
1101
1102     return i_frame_size;
1103 }
1104
1105 /****************************************************************************
1106  * x264_encoder_encode:
1107  *  XXX: i_poc   : is the poc of the current given picture
1108  *       i_frame : is the number of the frame being coded
1109  *  ex:  type frame poc
1110  *       I      0   2*0
1111  *       P      1   2*3
1112  *       B      2   2*1
1113  *       B      3   2*2
1114  *       P      4   2*6
1115  *       B      5   2*4
1116  *       B      6   2*5
1117  ****************************************************************************/
1118 int     x264_encoder_encode( x264_t *h,
1119                              x264_nal_t **pp_nal, int *pi_nal,
1120                              x264_picture_t *pic_in,
1121                              x264_picture_t *pic_out )
1122 {
1123     x264_frame_t   *frame_psnr = h->fdec; /* just to keep the current decoded frame for psnr calculation */
1124     int     i_nal_type;
1125     int     i_nal_ref_idc;
1126     int     i_slice_type;
1127     int     i_frame_size;
1128
1129     int i;
1130
1131     int   i_global_qp;
1132
1133     char psz_message[80];
1134
1135     /* no data out */
1136     *pi_nal = 0;
1137     *pp_nal = NULL;
1138
1139
1140     /* ------------------- Setup new frame from picture -------------------- */
1141     TIMER_START( i_mtime_encode_frame );
1142     if( pic_in != NULL )
1143     {
1144         /* 1: Copy the picture to a frame and move it to a buffer */
1145         x264_frame_t *fenc = x264_frame_get( h->frames.unused );
1146
1147         x264_frame_copy_picture( h, fenc, pic_in );
1148
1149         if( h->param.i_width % 16 || h->param.i_height % 16 )
1150             x264_frame_expand_border_mod16( h, fenc );
1151
1152         fenc->i_frame = h->frames.i_input++;
1153
1154         x264_frame_put( h->frames.next, fenc );
1155
1156         if( h->frames.b_have_lowres )
1157             x264_frame_init_lowres( h->param.cpu, fenc );
1158
1159         if( h->frames.i_input <= h->frames.i_delay )
1160         {
1161             /* Nothing yet to encode */
1162             /* waiting for filling bframe buffer */
1163             pic_out->i_type = X264_TYPE_AUTO;
1164             return 0;
1165         }
1166     }
1167
1168     if( h->frames.current[0] == NULL )
1169     {
1170         int bframes = 0;
1171         /* 2: Select frame types */
1172         if( h->frames.next[0] == NULL )
1173             return 0;
1174
1175         x264_slicetype_decide( h );
1176
1177         /* 3: move some B-frames and 1 non-B to encode queue */
1178         while( IS_X264_TYPE_B( h->frames.next[bframes]->i_type ) )
1179             bframes++;
1180         x264_frame_put( h->frames.current, x264_frame_get( &h->frames.next[bframes] ) );
1181         /* FIXME: when max B-frames > 3, BREF may no longer be centered after GOP closing */
1182         if( h->param.b_bframe_pyramid && bframes > 1 )
1183         {
1184             x264_frame_t *mid = x264_frame_get( &h->frames.next[bframes/2] );
1185             mid->i_type = X264_TYPE_BREF;
1186             x264_frame_put( h->frames.current, mid );
1187             bframes--;
1188         }
1189         while( bframes-- )
1190             x264_frame_put( h->frames.current, x264_frame_get( h->frames.next ) );
1191     }
1192     TIMER_STOP( i_mtime_encode_frame );
1193
1194     /* ------------------- Get frame to be encoded ------------------------- */
1195     /* 4: get picture to encode */
1196     h->fenc = x264_frame_get( h->frames.current );
1197     if( h->fenc == NULL )
1198     {
1199         /* Nothing yet to encode (ex: waiting for I/P with B frames) */
1200         /* waiting for filling bframe buffer */
1201         pic_out->i_type = X264_TYPE_AUTO;
1202         return 0;
1203     }
1204
1205 do_encode:
1206
1207     if( h->fenc->i_type == X264_TYPE_IDR )
1208     {
1209         h->frames.i_last_idr = h->fenc->i_frame;
1210     }
1211
1212     /* ------------------- Setup frame context ----------------------------- */
1213     /* 5: Init data dependant of frame type */
1214     TIMER_START( i_mtime_encode_frame );
1215     if( h->fenc->i_type == X264_TYPE_IDR )
1216     {
1217         /* reset ref pictures */
1218         x264_reference_reset( h );
1219
1220         i_nal_type    = NAL_SLICE_IDR;
1221         i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
1222         i_slice_type = SLICE_TYPE_I;
1223     }
1224     else if( h->fenc->i_type == X264_TYPE_I )
1225     {
1226         i_nal_type    = NAL_SLICE;
1227         i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
1228         i_slice_type = SLICE_TYPE_I;
1229     }
1230     else if( h->fenc->i_type == X264_TYPE_P )
1231     {
1232         i_nal_type    = NAL_SLICE;
1233         i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
1234         i_slice_type = SLICE_TYPE_P;
1235     }
1236     else if( h->fenc->i_type == X264_TYPE_BREF )
1237     {
1238         i_nal_type    = NAL_SLICE;
1239         i_nal_ref_idc = NAL_PRIORITY_HIGH; /* maybe add MMCO to forget it? -> low */
1240         i_slice_type = SLICE_TYPE_B;
1241     }
1242     else    /* B frame */
1243     {
1244         i_nal_type    = NAL_SLICE;
1245         i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
1246         i_slice_type = SLICE_TYPE_B;
1247     }
1248
1249     h->fdec->i_poc =
1250     h->fenc->i_poc = 2 * (h->fenc->i_frame - h->frames.i_last_idr);
1251     h->fdec->i_type = h->fenc->i_type;
1252     h->fdec->i_frame = h->fenc->i_frame;
1253     h->fenc->b_kept_as_ref =
1254     h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE;
1255
1256
1257
1258     /* ------------------- Init                ----------------------------- */
1259     /* build ref list 0/1 */
1260     x264_reference_build_list( h, h->fdec->i_poc, i_slice_type );
1261
1262     /* Init the rate control */
1263     x264_ratecontrol_start( h, i_slice_type, h->fenc->i_qpplus1 );
1264     i_global_qp = x264_ratecontrol_qp( h );
1265
1266     pic_out->i_qpplus1 =
1267     h->fdec->i_qpplus1 = i_global_qp + 1;
1268
1269     if( i_slice_type == SLICE_TYPE_B )
1270         x264_macroblock_bipred_init( h );
1271
1272     if( h->fenc->b_kept_as_ref )
1273         h->i_frame_num++;
1274
1275     /* ------------------------ Create slice header  ----------------------- */
1276     x264_slice_init( h, i_nal_type, i_slice_type, i_global_qp );
1277
1278     /* ---------------------- Write the bitstream -------------------------- */
1279     /* Init bitstream context */
1280     h->out.i_nal = 0;
1281     bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
1282
1283     if(h->param.b_aud){
1284         int pic_type;
1285
1286         if(i_slice_type == SLICE_TYPE_I)
1287             pic_type = 0;
1288         else if(i_slice_type == SLICE_TYPE_P)
1289             pic_type = 1;
1290         else if(i_slice_type == SLICE_TYPE_B)
1291             pic_type = 2;
1292         else
1293             pic_type = 7;
1294
1295         x264_nal_start(h, NAL_AUD, NAL_PRIORITY_DISPOSABLE);
1296         bs_write(&h->out.bs, 3, pic_type);
1297         bs_rbsp_trailing(&h->out.bs);
1298         x264_nal_end(h);
1299     }
1300
1301     h->i_nal_type = i_nal_type;
1302     h->i_nal_ref_idc = i_nal_ref_idc;
1303
1304     /* Write SPS and PPS */
1305     if( i_nal_type == NAL_SLICE_IDR )
1306     {
1307         if( h->fenc->i_frame == 0 )
1308         {
1309             /* identify ourself */
1310             x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
1311             x264_sei_version_write( &h->out.bs );
1312             x264_nal_end( h );
1313         }
1314
1315         /* generate sequence parameters */
1316         x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
1317         x264_sps_write( &h->out.bs, h->sps );
1318         x264_nal_end( h );
1319
1320         /* generate picture parameters */
1321         x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
1322         x264_pps_write( &h->out.bs, h->pps );
1323         x264_nal_end( h );
1324     }
1325
1326     /* Write frame */
1327     i_frame_size = x264_slices_write( h );
1328
1329     /* restore CPU state (before using float again) */
1330     x264_cpu_restore( h->param.cpu );
1331
1332     if( i_slice_type == SLICE_TYPE_P && !h->param.rc.b_stat_read
1333         && h->param.i_scenecut_threshold >= 0 )
1334     {
1335         const int *mbs = h->stat.frame.i_mb_count;
1336         int i_mb_i = mbs[I_16x16] + mbs[I_8x8] + mbs[I_4x4];
1337         int i_mb_p = mbs[P_L0] + mbs[P_8x8];
1338         int i_mb_s = mbs[P_SKIP];
1339         int i_mb   = h->sps->i_mb_width * h->sps->i_mb_height;
1340         int64_t i_inter_cost = h->stat.frame.i_inter_cost;
1341         int64_t i_intra_cost = h->stat.frame.i_intra_cost;
1342
1343         float f_bias;
1344         int i_gop_size = h->fenc->i_frame - h->frames.i_last_idr;
1345         float f_thresh_max = h->param.i_scenecut_threshold / 100.0;
1346         /* magic numbers pulled out of thin air */
1347         float f_thresh_min = f_thresh_max * h->param.i_keyint_min
1348                              / ( h->param.i_keyint_max * 4 );
1349         if( h->param.i_keyint_min == h->param.i_keyint_max )
1350              f_thresh_min= f_thresh_max;
1351
1352         /* macroblock_analyse() doesn't further analyse skipped mbs,
1353          * so we have to guess their cost */
1354         if( i_mb_s < i_mb )
1355             i_intra_cost = i_intra_cost * i_mb / (i_mb - i_mb_s);
1356
1357         if( i_gop_size < h->param.i_keyint_min / 4 )
1358             f_bias = f_thresh_min / 4;
1359         else if( i_gop_size <= h->param.i_keyint_min )
1360             f_bias = f_thresh_min * i_gop_size / h->param.i_keyint_min;
1361         else
1362         {
1363             f_bias = f_thresh_min
1364                      + ( f_thresh_max - f_thresh_min )
1365                        * ( i_gop_size - h->param.i_keyint_min )
1366                        / ( h->param.i_keyint_max - h->param.i_keyint_min );
1367         }
1368         f_bias = X264_MIN( f_bias, 1.0 );
1369
1370         /* Bad P will be reencoded as I */
1371         if( i_mb_s < i_mb &&
1372             i_inter_cost >= (1.0 - f_bias) * i_intra_cost )
1373         {
1374             int b;
1375
1376             x264_log( h, X264_LOG_DEBUG, "scene cut at %d Icost:%.0f Pcost:%.0f ratio:%.3f bias=%.3f lastIDR:%d (I:%d P:%d S:%d)\n",
1377                       h->fenc->i_frame,
1378                       (double)i_intra_cost, (double)i_inter_cost,
1379                       (double)i_inter_cost / i_intra_cost,
1380                       f_bias, i_gop_size,
1381                       i_mb_i, i_mb_p, i_mb_s );
1382
1383             /* Restore frame num */
1384             h->i_frame_num--;
1385
1386             for( b = 0; h->frames.current[b] && IS_X264_TYPE_B( h->frames.current[b]->i_type ); b++ );
1387             if( b > 0 )
1388             {
1389                 /* If using B-frames, force GOP to be closed.
1390                  * Even if this frame is going to be I and not IDR, forcing a
1391                  * P-frame before the scenecut will probably help compression.
1392                  *
1393                  * We don't yet know exactly which frame is the scene cut, so
1394                  * we can't assign an I-frame. Instead, change the previous
1395                  * B-frame to P, and rearrange coding order. */
1396
1397                 if( h->param.b_bframe_adaptive || b > 1 )
1398                     h->fenc->i_type = X264_TYPE_AUTO;
1399                 x264_frame_sort_pts( h->frames.current );
1400                 x264_frame_push( h->frames.next, h->fenc );
1401                 h->fenc = h->frames.current[b-1];
1402                 h->frames.current[b-1] = NULL;
1403                 h->fenc->i_type = X264_TYPE_P;
1404                 x264_frame_sort_dts( h->frames.current );
1405             }
1406             /* Do IDR if needed */
1407             else if( i_gop_size >= h->param.i_keyint_min )
1408             {
1409                 x264_frame_t *tmp;
1410
1411                 /* Reset */
1412                 h->i_frame_num = 0;
1413
1414                 /* Reinit field of fenc */
1415                 h->fenc->i_type = X264_TYPE_IDR;
1416                 h->fenc->i_poc = 0;
1417
1418                 /* Put enqueued frames back in the pool */
1419                 while( (tmp = x264_frame_get( h->frames.current ) ) != NULL )
1420                     x264_frame_put( h->frames.next, tmp );
1421                 x264_frame_sort_pts( h->frames.next );
1422             }
1423             else
1424             {
1425                 h->fenc->i_type = X264_TYPE_I;
1426             }
1427             goto do_encode;
1428         }
1429     }
1430
1431     /* End bitstream, set output  */
1432     *pi_nal = h->out.i_nal;
1433     *pp_nal = h->out.nal;
1434
1435     /* Set output picture properties */
1436     if( i_slice_type == SLICE_TYPE_I )
1437         pic_out->i_type = i_nal_type == NAL_SLICE_IDR ? X264_TYPE_IDR : X264_TYPE_I;
1438     else if( i_slice_type == SLICE_TYPE_P )
1439         pic_out->i_type = X264_TYPE_P;
1440     else
1441         pic_out->i_type = X264_TYPE_B;
1442     pic_out->i_pts = h->fenc->i_pts;
1443
1444     pic_out->img.i_plane = h->fdec->i_plane;
1445     for(i = 0; i < 4; i++){
1446         pic_out->img.i_stride[i] = h->fdec->i_stride[i];
1447         pic_out->img.plane[i] = h->fdec->plane[i];
1448     }
1449
1450     /* ---------------------- Update encoder state ------------------------- */
1451
1452     /* handle references */
1453     if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
1454     {
1455         x264_reference_update( h );
1456     }
1457
1458     /* increase frame count */
1459     h->i_frame++;
1460
1461     /* restore CPU state (before using float again) */
1462     /* XXX: not needed? (done above) */
1463     x264_cpu_restore( h->param.cpu );
1464
1465     /* update rc */
1466     x264_ratecontrol_end( h, i_frame_size * 8 );
1467
1468     x264_frame_put( h->frames.unused, h->fenc );
1469
1470     TIMER_STOP( i_mtime_encode_frame );
1471
1472     /* ---------------------- Compute/Print statistics --------------------- */
1473     /* Slice stat */
1474     h->stat.i_slice_count[i_slice_type]++;
1475     h->stat.i_slice_size[i_slice_type] += i_frame_size + NALU_OVERHEAD;
1476     h->stat.i_slice_qp[i_slice_type] += i_global_qp;
1477
1478     for( i = 0; i < 19; i++ )
1479         h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
1480     for( i = 0; i < 2; i++ )
1481         h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
1482     if( h->sh.i_type != SLICE_TYPE_I )
1483     {
1484         for( i = 0; i < 7; i++ )
1485             h->stat.i_mb_count_size[h->sh.i_type][i] += h->stat.frame.i_mb_count_size[i];
1486         for( i = 0; i < 16; i++ )
1487             h->stat.i_mb_count_ref[h->sh.i_type][i] += h->stat.frame.i_mb_count_ref[i];
1488     }
1489
1490     if( h->param.analyse.b_psnr )
1491     {
1492         int64_t i_sqe_y, i_sqe_u, i_sqe_v;
1493
1494         /* PSNR */
1495         i_sqe_y = x264_pixel_ssd_wxh( &h->pixf, frame_psnr->plane[0], frame_psnr->i_stride[0], h->fenc->plane[0], h->fenc->i_stride[0], h->param.i_width, h->param.i_height );
1496         i_sqe_u = x264_pixel_ssd_wxh( &h->pixf, frame_psnr->plane[1], frame_psnr->i_stride[1], h->fenc->plane[1], h->fenc->i_stride[1], h->param.i_width/2, h->param.i_height/2);
1497         i_sqe_v = x264_pixel_ssd_wxh( &h->pixf, frame_psnr->plane[2], frame_psnr->i_stride[2], h->fenc->plane[2], h->fenc->i_stride[2], h->param.i_width/2, h->param.i_height/2);
1498         x264_cpu_restore( h->param.cpu );
1499
1500         h->stat.i_sqe_global[i_slice_type] += i_sqe_y + i_sqe_u + i_sqe_v;
1501         h->stat.f_psnr_average[i_slice_type] += x264_psnr( i_sqe_y + i_sqe_u + i_sqe_v, 3 * h->param.i_width * h->param.i_height / 2 );
1502         h->stat.f_psnr_mean_y[i_slice_type] += x264_psnr( i_sqe_y, h->param.i_width * h->param.i_height );
1503         h->stat.f_psnr_mean_u[i_slice_type] += x264_psnr( i_sqe_u, h->param.i_width * h->param.i_height / 4 );
1504         h->stat.f_psnr_mean_v[i_slice_type] += x264_psnr( i_sqe_v, h->param.i_width * h->param.i_height / 4 );
1505
1506         snprintf( psz_message, 80, " PSNR Y:%2.2f U:%2.2f V:%2.2f",
1507                   x264_psnr( i_sqe_y, h->param.i_width * h->param.i_height ),
1508                   x264_psnr( i_sqe_u, h->param.i_width * h->param.i_height / 4),
1509                   x264_psnr( i_sqe_v, h->param.i_width * h->param.i_height / 4) );
1510         psz_message[79] = '\0';
1511     }
1512     else
1513     {
1514         psz_message[0] = '\0';
1515     }
1516
1517     x264_log( h, X264_LOG_DEBUG,
1518                   "frame=%4d QP=%i NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
1519               h->i_frame - 1,
1520               i_global_qp,
1521               i_nal_ref_idc,
1522               i_slice_type == SLICE_TYPE_I ? 'I' : (i_slice_type == SLICE_TYPE_P ? 'P' : 'B' ),
1523               frame_psnr->i_poc,
1524               h->stat.frame.i_mb_count_i,
1525               h->stat.frame.i_mb_count_p,
1526               h->stat.frame.i_mb_count_skip,
1527               i_frame_size,
1528               psz_message );
1529
1530
1531 #ifdef DEBUG_MB_TYPE
1532 {
1533     static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
1534         'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
1535     int mb_xy;
1536     for( mb_xy = 0; mb_xy < h->sps->i_mb_width * h->sps->i_mb_height; mb_xy++ )
1537     {
1538         if( h->mb.type[mb_xy] < 19 && h->mb.type[mb_xy] >= 0 )
1539             fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
1540         else
1541             fprintf( stderr, "? " );
1542
1543         if( (mb_xy+1) % h->sps->i_mb_width == 0 )
1544             fprintf( stderr, "\n" );
1545     }
1546 }
1547 #endif
1548
1549 #ifdef DEBUG_DUMP_FRAME
1550     /* Dump reconstructed frame */
1551     x264_frame_dump( h, frame_psnr, "fdec.yuv" );
1552 #endif
1553     return 0;
1554 }
1555
1556 /****************************************************************************
1557  * x264_encoder_close:
1558  ****************************************************************************/
1559 void    x264_encoder_close  ( x264_t *h )
1560 {
1561 #ifdef DEBUG_BENCHMARK
1562     int64_t i_mtime_total = i_mtime_analyse + i_mtime_encode + i_mtime_write + i_mtime_filter + 1;
1563 #endif
1564     int64_t i_yuv_size = 3 * h->param.i_width * h->param.i_height / 2;
1565     int i;
1566
1567 #ifdef DEBUG_BENCHMARK
1568     x264_log( h, X264_LOG_INFO,
1569               "analyse=%d(%lldms) encode=%d(%lldms) write=%d(%lldms) filter=%d(%lldms)\n",
1570               (int)(100*i_mtime_analyse/i_mtime_total), i_mtime_analyse/1000,
1571               (int)(100*i_mtime_encode/i_mtime_total), i_mtime_encode/1000,
1572               (int)(100*i_mtime_write/i_mtime_total), i_mtime_write/1000,
1573               (int)(100*i_mtime_filter/i_mtime_total), i_mtime_filter/1000 );
1574 #endif
1575
1576     /* Slices used and PSNR */
1577     for( i=0; i<5; i++ )
1578     {
1579         static const int slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_SI, SLICE_TYPE_P, SLICE_TYPE_SP, SLICE_TYPE_B };
1580         static const char *slice_name[] = { "P", "B", "I", "SP", "SI" };
1581         int i_slice = slice_order[i];
1582
1583         if( h->stat.i_slice_count[i_slice] > 0 )
1584         {
1585             const int i_count = h->stat.i_slice_count[i_slice];
1586             if( h->param.analyse.b_psnr )
1587             {
1588                 x264_log( h, X264_LOG_INFO,
1589                           "slice %s:%-5d Avg QP:%5.2f  size:%6.0f  PSNR Mean Y:%5.2f U:%5.2f V:%5.2f Avg:%5.2f Global:%5.2f\n",
1590                           slice_name[i_slice],
1591                           i_count,
1592                           (double)h->stat.i_slice_qp[i_slice] / i_count,
1593                           (double)h->stat.i_slice_size[i_slice] / i_count,
1594                           h->stat.f_psnr_mean_y[i_slice] / i_count, h->stat.f_psnr_mean_u[i_slice] / i_count, h->stat.f_psnr_mean_v[i_slice] / i_count,
1595                           h->stat.f_psnr_average[i_slice] / i_count,
1596                           x264_psnr( h->stat.i_sqe_global[i_slice], i_count * i_yuv_size ) );
1597             }
1598             else
1599             {
1600                 x264_log( h, X264_LOG_INFO,
1601                           "slice %s:%-5d Avg QP:%5.2f  size:%6.0f\n",
1602                           slice_name[i_slice],
1603                           i_count,
1604                           (double)h->stat.i_slice_qp[i_slice] / i_count,
1605                           (double)h->stat.i_slice_size[i_slice] / i_count );
1606             }
1607         }
1608     }
1609
1610     /* MB types used */
1611     if( h->stat.i_slice_count[SLICE_TYPE_I] > 0 )
1612     {
1613         const int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
1614         const double i_count = h->stat.i_slice_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
1615         x264_log( h, X264_LOG_INFO,
1616                   "mb I  I16..4: %4.1f%% %4.1f%% %4.1f%%\n",
1617                   i_mb_count[I_16x16]/ i_count,
1618                   i_mb_count[I_8x8]  / i_count,
1619                   i_mb_count[I_4x4]  / i_count );
1620     }
1621     if( h->stat.i_slice_count[SLICE_TYPE_P] > 0 )
1622     {
1623         const int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
1624         const int64_t *i_mb_size = h->stat.i_mb_count_size[SLICE_TYPE_P];
1625         const double i_count = h->stat.i_slice_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
1626         x264_log( h, X264_LOG_INFO,
1627                   "mb P  I16..4: %4.1f%% %4.1f%% %4.1f%%  P16..4: %4.1f%% %4.1f%% %4.1f%% %4.1f%% %4.1f%%    skip:%4.1f%%\n",
1628                   i_mb_count[I_16x16]/ i_count,
1629                   i_mb_count[I_8x8]  / i_count,
1630                   i_mb_count[I_4x4]  / i_count,
1631                   i_mb_size[PIXEL_16x16] / (i_count*4),
1632                   (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
1633                   i_mb_size[PIXEL_8x8] / (i_count*4),
1634                   (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
1635                   i_mb_size[PIXEL_4x4] / (i_count*4),
1636                   i_mb_count[P_SKIP] / i_count );
1637     }
1638     if( h->stat.i_slice_count[SLICE_TYPE_B] > 0 )
1639     {
1640         const int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
1641         const int64_t *i_mb_size = h->stat.i_mb_count_size[SLICE_TYPE_B];
1642         const double i_count = h->stat.i_slice_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
1643         x264_log( h, X264_LOG_INFO,
1644                   "mb B  I16..4: %4.1f%% %4.1f%% %4.1f%%  B16..8: %4.1f%% %4.1f%% %4.1f%%  direct:%4.1f%%  skip:%4.1f%%\n",
1645                   i_mb_count[I_16x16]  / i_count,
1646                   i_mb_count[I_8x8]    / i_count,
1647                   i_mb_count[I_4x4]    / i_count,
1648                   i_mb_size[PIXEL_16x16] / (i_count*4),
1649                   (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
1650                   i_mb_size[PIXEL_8x8] / (i_count*4),
1651                   i_mb_count[B_DIRECT] / i_count,
1652                   i_mb_count[B_SKIP]   / i_count );
1653     }
1654
1655     if( h->stat.i_slice_count[SLICE_TYPE_I] + h->stat.i_slice_count[SLICE_TYPE_P] + h->stat.i_slice_count[SLICE_TYPE_B] > 0 )
1656     {
1657         const int i_count = h->stat.i_slice_count[SLICE_TYPE_I] +
1658                             h->stat.i_slice_count[SLICE_TYPE_P] +
1659                             h->stat.i_slice_count[SLICE_TYPE_B];
1660         float fps = (float) h->param.i_fps_num / h->param.i_fps_den;
1661 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
1662 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
1663         float f_bitrate = fps * SUM3(h->stat.i_slice_size) / i_count / 125;
1664
1665         if( h->param.analyse.b_transform_8x8 )
1666         {
1667             int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
1668             int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
1669                                      + SUM3b( h->stat.i_mb_count, I_16x16 );
1670             x264_log( h, X264_LOG_INFO, "8x8 transform  intra:%.1f%%  inter:%.1f%%\n",
1671                       100. * i_i8x8 / i_intra,
1672                       100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
1673         }
1674
1675         if( h->param.i_frame_reference > 1 )
1676         {
1677             int i_slice;
1678             for( i_slice = 0; i_slice < 2; i_slice++ )
1679             {
1680                 char buf[200];
1681                 char *p = buf;
1682                 int64_t i_den = 0;
1683                 int i_max = 0;
1684                 for( i = 0; i < h->param.i_frame_reference; i++ )
1685                     if( h->stat.i_mb_count_ref[i_slice][i] )
1686                     {
1687                         i_den += h->stat.i_mb_count_ref[i_slice][i];
1688                         i_max = i;
1689                     }
1690                 if( i_max == 0 )
1691                     continue;
1692                 for( i = 0; i <= i_max; i++ )
1693                     p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i] / i_den );
1694                 x264_log( h, X264_LOG_INFO, "ref %c %s\n", i_slice==SLICE_TYPE_P ? 'P' : 'B', buf );
1695             }
1696         }
1697
1698         if( h->param.analyse.b_psnr )
1699             x264_log( h, X264_LOG_INFO,
1700                       "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
1701                       SUM3( h->stat.f_psnr_mean_y ) / i_count,
1702                       SUM3( h->stat.f_psnr_mean_u ) / i_count,
1703                       SUM3( h->stat.f_psnr_mean_v ) / i_count,
1704                       SUM3( h->stat.f_psnr_average ) / i_count,
1705                       x264_psnr( SUM3( h->stat.i_sqe_global ), i_count * i_yuv_size ),
1706                       f_bitrate );
1707         else
1708             x264_log( h, X264_LOG_INFO, "kb/s:%.1f\n", f_bitrate );
1709     }
1710
1711     /* frames */
1712     for( i = 0; i < X264_BFRAME_MAX + 3; i++ )
1713     {
1714         if( h->frames.current[i] ) x264_frame_delete( h->frames.current[i] );
1715         if( h->frames.next[i] )    x264_frame_delete( h->frames.next[i] );
1716         if( h->frames.unused[i] )  x264_frame_delete( h->frames.unused[i] );
1717     }
1718     /* ref frames */
1719     for( i = 0; i < h->frames.i_max_dpb; i++ )
1720     {
1721         x264_frame_delete( h->frames.reference[i] );
1722     }
1723
1724     /* rc */
1725     x264_ratecontrol_delete( h );
1726
1727     /* param */
1728     if( h->param.rc.psz_stat_out )
1729         free( h->param.rc.psz_stat_out );
1730     if( h->param.rc.psz_stat_in )
1731         free( h->param.rc.psz_stat_in );
1732     if( h->param.rc.psz_rc_eq )
1733         free( h->param.rc.psz_rc_eq );
1734
1735     x264_macroblock_cache_end( h );
1736     x264_free( h->out.p_bitstream );
1737     for( i = 1; i < h->param.i_threads; i++ )
1738         x264_free( h->thread[i] );
1739     x264_free( h );
1740 }
1741