1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 Laurent Aimar
5 * $Id: encoder.c,v 1.1 2004/06/03 19:27:08 fenrir Exp $
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
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.
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.
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 *****************************************************************************/
26 #include "common/common.h"
27 #include "common/cpu.h"
31 #include "ratecontrol.h"
32 #include "macroblock.h"
35 #include "common/visualize.h"
38 //#define DEBUG_MB_TYPE
39 //#define DEBUG_DUMP_FRAME
40 //#define DEBUG_BENCHMARK
42 #ifdef DEBUG_BENCHMARK
43 static int64_t i_mtime_encode_frame = 0;
44 static int64_t i_mtime_analyse = 0;
45 static int64_t i_mtime_encode = 0;
46 static int64_t i_mtime_write = 0;
47 static int64_t i_mtime_filter = 0;
48 #define TIMER_START( d ) \
50 int64_t d##start = x264_mdate();
52 #define TIMER_STOP( d ) \
53 d += x264_mdate() - d##start;\
56 #define TIMER_START( d )
57 #define TIMER_STOP( d )
60 #define NALU_OVERHEAD 5 // startcode + NAL type costs 5 bytes per frame
62 static void x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
63 x264_nal_t **pp_nal, int *pi_nal,
64 x264_picture_t *pic_out );
66 /****************************************************************************
68 ******************************* x264 libs **********************************
70 ****************************************************************************/
71 static float x264_psnr( int64_t i_sqe, int64_t i_size )
73 double f_mse = (double)i_sqe / ((double)65025.0 * (double)i_size);
74 if( f_mse <= 0.0000000001 ) /* Max 100dB */
77 return (float)(-10.0 * log( f_mse ) / log( 10.0 ));
80 #ifdef DEBUG_DUMP_FRAME
81 static void x264_frame_dump( x264_t *h, x264_frame_t *fr, char *name )
83 FILE *f = fopen( name, "r+b" );
88 /* Write the frame in display order */
89 fseek( f, fr->i_frame * h->param.i_height * h->param.i_width * 3 / 2, SEEK_SET );
91 for( i = 0; i < fr->i_plane; i++ )
93 for( y = 0; y < h->param.i_height / ( i == 0 ? 1 : 2 ); y++ )
95 fwrite( &fr->plane[i][y*fr->i_stride[i]], 1, h->param.i_width / ( i == 0 ? 1 : 2 ), f );
103 /* Fill "default" values */
104 static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
105 x264_sps_t *sps, x264_pps_t *pps,
106 int i_idr_pic_id, int i_frame, int i_qp )
108 x264_param_t *param = &h->param;
111 /* First we fill all field */
116 sh->i_last_mb = h->sps->i_mb_width * h->sps->i_mb_height;
117 sh->i_pps_id = pps->i_id;
119 sh->i_frame_num = i_frame;
121 sh->b_mbaff = h->param.b_interlaced;
122 sh->b_field_pic = 0; /* no field support for now */
123 sh->b_bottom_field = 0; /* not yet used */
125 sh->i_idr_pic_id = i_idr_pic_id;
127 /* poc stuff, fixed later */
129 sh->i_delta_poc_bottom = 0;
130 sh->i_delta_poc[0] = 0;
131 sh->i_delta_poc[1] = 0;
133 sh->i_redundant_pic_cnt = 0;
135 if( !h->mb.b_direct_auto_read )
137 if( h->mb.b_direct_auto_write )
138 sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] );
140 sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL );
142 /* else b_direct_spatial_mv_pred was read from the 2pass statsfile */
144 sh->b_num_ref_idx_override = 0;
145 sh->i_num_ref_idx_l0_active = 1;
146 sh->i_num_ref_idx_l1_active = 1;
148 sh->b_ref_pic_list_reordering_l0 = h->b_ref_reorder[0];
149 sh->b_ref_pic_list_reordering_l1 = h->b_ref_reorder[1];
151 /* If the ref list isn't in the default order, construct reordering header */
152 /* List1 reordering isn't needed yet */
153 if( sh->b_ref_pic_list_reordering_l0 )
155 int pred_frame_num = i_frame;
156 for( i = 0; i < h->i_ref0; i++ )
158 int diff = h->fref0[i]->i_frame_num - pred_frame_num;
160 x264_log( h, X264_LOG_ERROR, "diff frame num == 0\n" );
161 sh->ref_pic_list_order[0][i].idc = ( diff > 0 );
162 sh->ref_pic_list_order[0][i].arg = abs( diff ) - 1;
163 pred_frame_num = h->fref0[i]->i_frame_num;
167 sh->i_cabac_init_idc = param->i_cabac_init_idc;
170 sh->i_qp_delta = i_qp - pps->i_pic_init_qp;
171 sh->b_sp_for_swidth = 0;
174 /* If effective qp <= 15, deblocking would have no effect anyway */
175 if( param->b_deblocking_filter
176 && ( h->mb.b_variable_qp
177 || 15 < i_qp + 2 * X264_MAX(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta) ) )
179 sh->i_disable_deblocking_filter_idc = 0;
183 sh->i_disable_deblocking_filter_idc = 1;
185 sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1;
186 sh->i_beta_offset = param->i_deblocking_filter_beta << 1;
189 static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc )
195 assert( sh->i_first_mb % (2*sh->sps->i_mb_width) == 0 );
196 bs_write_ue( s, sh->i_first_mb >> 1 );
199 bs_write_ue( s, sh->i_first_mb );
201 bs_write_ue( s, sh->i_type + 5 ); /* same type things */
202 bs_write_ue( s, sh->i_pps_id );
203 bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num );
205 if( !sh->sps->b_frame_mbs_only )
207 bs_write1( s, sh->b_field_pic );
208 if ( sh->b_field_pic )
209 bs_write1( s, sh->b_bottom_field );
212 if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */
214 bs_write_ue( s, sh->i_idr_pic_id );
217 if( sh->sps->i_poc_type == 0 )
219 bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc_lsb );
220 if( sh->pps->b_pic_order && !sh->b_field_pic )
222 bs_write_se( s, sh->i_delta_poc_bottom );
225 else if( sh->sps->i_poc_type == 1 && !sh->sps->b_delta_pic_order_always_zero )
227 bs_write_se( s, sh->i_delta_poc[0] );
228 if( sh->pps->b_pic_order && !sh->b_field_pic )
230 bs_write_se( s, sh->i_delta_poc[1] );
234 if( sh->pps->b_redundant_pic_cnt )
236 bs_write_ue( s, sh->i_redundant_pic_cnt );
239 if( sh->i_type == SLICE_TYPE_B )
241 bs_write1( s, sh->b_direct_spatial_mv_pred );
243 if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP || sh->i_type == SLICE_TYPE_B )
245 bs_write1( s, sh->b_num_ref_idx_override );
246 if( sh->b_num_ref_idx_override )
248 bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 );
249 if( sh->i_type == SLICE_TYPE_B )
251 bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 );
256 /* ref pic list reordering */
257 if( sh->i_type != SLICE_TYPE_I )
259 bs_write1( s, sh->b_ref_pic_list_reordering_l0 );
260 if( sh->b_ref_pic_list_reordering_l0 )
262 for( i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
264 bs_write_ue( s, sh->ref_pic_list_order[0][i].idc );
265 bs_write_ue( s, sh->ref_pic_list_order[0][i].arg );
271 if( sh->i_type == SLICE_TYPE_B )
273 bs_write1( s, sh->b_ref_pic_list_reordering_l1 );
274 if( sh->b_ref_pic_list_reordering_l1 )
276 for( i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
278 bs_write_ue( s, sh->ref_pic_list_order[1][i].idc );
279 bs_write_ue( s, sh->ref_pic_list_order[1][i].arg );
285 if( ( sh->pps->b_weighted_pred && ( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP ) ) ||
286 ( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B ) )
291 if( i_nal_ref_idc != 0 )
293 if( sh->i_idr_pic_id >= 0 )
295 bs_write1( s, 0 ); /* no output of prior pics flag */
296 bs_write1( s, 0 ); /* long term reference flag */
300 bs_write1( s, 0 ); /* adaptive_ref_pic_marking_mode_flag */
304 if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I )
306 bs_write_ue( s, sh->i_cabac_init_idc );
308 bs_write_se( s, sh->i_qp_delta ); /* slice qp delta */
310 if( sh->pps->b_deblocking_filter_control )
312 bs_write_ue( s, sh->i_disable_deblocking_filter_idc );
313 if( sh->i_disable_deblocking_filter_idc != 1 )
315 bs_write_se( s, sh->i_alpha_c0_offset >> 1 );
316 bs_write_se( s, sh->i_beta_offset >> 1 );
321 /****************************************************************************
323 ****************************************************************************
324 ****************************** External API*********************************
325 ****************************************************************************
327 ****************************************************************************/
329 static int x264_validate_parameters( x264_t *h )
331 if( h->param.i_width <= 0 || h->param.i_height <= 0 )
333 x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
334 h->param.i_width, h->param.i_height );
338 if( h->param.i_width % 2 || h->param.i_height % 2 )
340 x264_log( h, X264_LOG_ERROR, "width or height not divisible by 2 (%dx%d)\n",
341 h->param.i_width, h->param.i_height );
344 if( h->param.i_csp != X264_CSP_I420 )
346 x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420 supported)\n" );
350 if( h->param.i_threads == 0 )
351 h->param.i_threads = x264_cpu_num_processors() * 3/2;
352 h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
353 if( h->param.i_threads > 1 )
356 x264_log( h, X264_LOG_WARNING, "not compiled with pthread support!\n");
357 h->param.i_threads = 1;
359 if( h->param.i_scenecut_threshold >= 0 )
360 h->param.b_pre_scenecut = 1;
364 if( h->param.b_interlaced )
366 if( h->param.analyse.i_me_method >= X264_ME_ESA )
368 x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
369 h->param.analyse.i_me_method = X264_ME_UMH;
371 if( h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
373 x264_log( h, X264_LOG_WARNING, "interlace + direct=temporal is not implemented\n" );
374 h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
378 if( h->param.rc.i_rc_method < 0 || h->param.rc.i_rc_method > 2 )
380 x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" );
383 h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, 0, 51 );
384 h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, 51 );
385 if( h->param.rc.i_rc_method == X264_RC_CRF )
386 h->param.rc.i_qp_constant = h->param.rc.f_rf_constant;
387 if( (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF)
388 && h->param.rc.i_qp_constant == 0 )
390 h->mb.b_lossless = 1;
391 h->param.i_cqm_preset = X264_CQM_FLAT;
392 h->param.psz_cqm_file = NULL;
393 h->param.rc.i_rc_method = X264_RC_CQP;
394 h->param.rc.f_ip_factor = 1;
395 h->param.rc.f_pb_factor = 1;
396 h->param.analyse.b_transform_8x8 = 0;
397 h->param.analyse.b_psnr = 0;
398 h->param.analyse.b_ssim = 0;
399 h->param.analyse.i_chroma_qp_offset = 0;
400 h->param.analyse.i_trellis = 0;
401 h->param.analyse.b_fast_pskip = 0;
402 h->param.analyse.i_noise_reduction = 0;
403 h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 1, 6 );
405 if( h->param.rc.i_rc_method == X264_RC_CQP )
407 float qp_p = h->param.rc.i_qp_constant;
408 float qp_i = qp_p - 6*log(h->param.rc.f_ip_factor)/log(2);
409 float qp_b = qp_p + 6*log(h->param.rc.f_pb_factor)/log(2);
410 h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, 51 );
411 h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, 51 );
414 if( ( h->param.i_width % 16 || h->param.i_height % 16 )
415 && h->param.i_height != 1080 && !h->mb.b_lossless )
417 // There's nothing special about 1080 in that the warning still applies to it,
418 // but chances are the user can't help it if his content is already 1080p,
419 // so there's no point in warning in that case.
420 x264_log( h, X264_LOG_WARNING,
421 "width or height not divisible by 16 (%dx%d), compression will suffer.\n",
422 h->param.i_width, h->param.i_height );
425 h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, 16 );
426 if( h->param.i_keyint_max <= 0 )
427 h->param.i_keyint_max = 1;
428 h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
430 h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_BFRAME_MAX );
431 h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
432 h->param.b_bframe_pyramid = h->param.b_bframe_pyramid && h->param.i_bframe > 1;
433 h->param.b_bframe_adaptive = h->param.b_bframe_adaptive && h->param.i_bframe > 0;
434 h->param.analyse.b_weighted_bipred = h->param.analyse.b_weighted_bipred && h->param.i_bframe > 0;
435 h->mb.b_direct_auto_write = h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
437 && ( h->param.rc.b_stat_write || !h->param.rc.b_stat_read );
438 if( h->param.i_scenecut_threshold < 0 )
439 h->param.b_pre_scenecut = 0;
441 h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 );
442 h->param.i_deblocking_filter_beta = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 );
443 h->param.analyse.i_luma_deadzone[0] = x264_clip3( h->param.analyse.i_luma_deadzone[0], 0, 32 );
444 h->param.analyse.i_luma_deadzone[1] = x264_clip3( h->param.analyse.i_luma_deadzone[1], 0, 32 );
446 h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 );
448 if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
449 h->param.i_cqm_preset = X264_CQM_FLAT;
451 if( h->param.analyse.i_me_method < X264_ME_DIA ||
452 h->param.analyse.i_me_method > X264_ME_TESA )
453 h->param.analyse.i_me_method = X264_ME_HEX;
454 if( h->param.analyse.i_me_range < 4 )
455 h->param.analyse.i_me_range = 4;
456 if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
457 h->param.analyse.i_me_range = 16;
458 if( h->param.analyse.i_me_method == X264_ME_TESA &&
459 (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) )
460 h->param.analyse.i_me_method = X264_ME_ESA;
461 h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 1, 7 );
462 h->param.analyse.b_bframe_rdo = h->param.analyse.b_bframe_rdo && h->param.analyse.i_subpel_refine >= 6;
463 h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1;
464 h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16|
465 X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
466 h->param.analyse.intra &= X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
467 if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
468 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
469 if( !h->param.analyse.b_transform_8x8 )
471 h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
472 h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
474 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
475 if( !h->param.b_cabac )
476 h->param.analyse.i_trellis = 0;
477 h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
478 h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 );
481 const x264_level_t *l = x264_levels;
482 while( l->level_idc != 0 && l->level_idc != h->param.i_level_idc )
484 if( l->level_idc == 0 )
486 x264_log( h, X264_LOG_ERROR, "invalid level_idc: %d\n", h->param.i_level_idc );
489 if( h->param.analyse.i_mv_range <= 0 )
490 h->param.analyse.i_mv_range = l->mv_range;
492 h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512);
493 if( h->param.analyse.i_direct_8x8_inference < 0 )
494 h->param.analyse.i_direct_8x8_inference = l->direct8x8;
497 if( h->param.i_threads > 1 )
499 int r = h->param.analyse.i_mv_range_thread;
503 // half of the available space is reserved and divided evenly among the threads,
504 // the rest is allocated to whichever thread is far enough ahead to use it.
505 // reserving more space increases quality for some videos, but costs more time
506 // in thread synchronization.
507 int max_range = (h->param.i_height + X264_THREAD_HEIGHT) / h->param.i_threads - X264_THREAD_HEIGHT;
510 r = X264_MAX( r, h->param.analyse.i_me_range );
511 r = X264_MIN( r, h->param.analyse.i_mv_range );
512 // round up to use the whole mb row
513 r2 = (r & ~15) + ((-X264_THREAD_HEIGHT) & 15);
516 x264_log( h, X264_LOG_DEBUG, "using mv_range_thread = %d\n", r2 );
517 h->param.analyse.i_mv_range_thread = r2;
520 if( h->param.rc.f_qblur < 0 )
521 h->param.rc.f_qblur = 0;
522 if( h->param.rc.f_complexity_blur < 0 )
523 h->param.rc.f_complexity_blur = 0;
525 h->param.i_sps_id &= 31;
527 if( h->param.i_log_level < X264_LOG_INFO )
529 h->param.analyse.b_psnr = 0;
530 h->param.analyse.b_ssim = 0;
533 /* ensure the booleans are 0 or 1 so they can be used in math */
534 #define BOOLIFY(x) h->param.x = !!h->param.x
536 BOOLIFY( b_deblocking_filter );
537 BOOLIFY( b_interlaced );
538 BOOLIFY( analyse.b_transform_8x8 );
539 BOOLIFY( analyse.i_direct_8x8_inference );
540 BOOLIFY( analyse.b_bidir_me );
541 BOOLIFY( analyse.b_chroma_me );
542 BOOLIFY( analyse.b_fast_pskip );
543 BOOLIFY( rc.b_stat_write );
544 BOOLIFY( rc.b_stat_read );
550 static void mbcmp_init( x264_t *h )
552 int satd = !h->mb.b_lossless && h->param.analyse.i_subpel_refine > 1;
553 memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp) );
554 satd &= h->param.analyse.i_me_method == X264_ME_TESA;
555 memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) );
556 memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) );
557 memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) );
560 /****************************************************************************
562 ****************************************************************************/
563 x264_t *x264_encoder_open ( x264_param_t *param )
565 x264_t *h = x264_malloc( sizeof( x264_t ) );
568 memset( h, 0, sizeof( x264_t ) );
570 /* Create a copy of param */
571 memcpy( &h->param, param, sizeof( x264_param_t ) );
573 if( x264_validate_parameters( h ) < 0 )
579 if( h->param.psz_cqm_file )
580 if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
586 if( h->param.rc.psz_stat_out )
587 h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out );
588 if( h->param.rc.psz_stat_in )
589 h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
590 if( h->param.rc.psz_rc_eq )
591 h->param.rc.psz_rc_eq = strdup( h->param.rc.psz_rc_eq );
594 if( h->param.vui.i_sar_width > 0 && h->param.vui.i_sar_height > 0 )
596 int i_w = param->vui.i_sar_width;
597 int i_h = param->vui.i_sar_height;
599 x264_reduce_fraction( &i_w, &i_h );
601 while( i_w > 65535 || i_h > 65535 )
607 h->param.vui.i_sar_width = 0;
608 h->param.vui.i_sar_height = 0;
609 if( i_w == 0 || i_h == 0 )
611 x264_log( h, X264_LOG_WARNING, "cannot create valid sample aspect ratio\n" );
615 x264_log( h, X264_LOG_INFO, "using SAR=%d/%d\n", i_w, i_h );
616 h->param.vui.i_sar_width = i_w;
617 h->param.vui.i_sar_height = i_h;
621 x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
628 h->sps = &h->sps_array[0];
629 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
631 h->pps = &h->pps_array[0];
632 x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps);
634 x264_validate_levels( h );
636 if( x264_cqm_init( h ) < 0 )
642 h->mb.i_mb_count = h->sps->i_mb_width * h->sps->i_mb_height;
645 h->frames.i_delay = h->param.i_bframe + h->param.i_threads - 1;
646 h->frames.i_max_ref0 = h->param.i_frame_reference;
647 h->frames.i_max_ref1 = h->sps->vui.i_num_reorder_frames;
648 h->frames.i_max_dpb = h->sps->vui.i_max_dec_frame_buffering;
649 h->frames.b_have_lowres = !h->param.rc.b_stat_read
650 && ( h->param.rc.i_rc_method == X264_RC_ABR
651 || h->param.rc.i_rc_method == X264_RC_CRF
652 || h->param.b_bframe_adaptive
653 || h->param.b_pre_scenecut );
655 h->frames.i_last_idr = - h->param.i_keyint_max;
656 h->frames.i_input = 0;
657 h->frames.last_nonb = NULL;
664 /* init CPU functions */
665 x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
666 x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
667 x264_predict_8x8_init( h->param.cpu, h->predict_8x8 );
668 x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
670 x264_pixel_init( h->param.cpu, &h->pixf );
671 x264_dct_init( h->param.cpu, &h->dctf );
672 x264_zigzag_init( h->param.cpu, &h->zigzagf, h->param.b_interlaced );
673 x264_mc_init( h->param.cpu, &h->mc );
674 x264_csp_init( h->param.cpu, h->param.i_csp, &h->csp );
675 x264_quant_init( h, h->param.cpu, &h->quantf );
676 x264_deblock_init( h->param.cpu, &h->loopf );
677 x264_dct_init_weights();
681 x264_log( h, X264_LOG_INFO, "using cpu capabilities: %s%s%s%s%s%s%s%s%s%s\n",
682 param->cpu&X264_CPU_MMX ? "MMX " : "",
683 param->cpu&X264_CPU_MMXEXT ? "MMXEXT " : "",
684 param->cpu&X264_CPU_SSE ? "SSE " : "",
685 param->cpu&X264_CPU_SSE2 ? "SSE2 " : "",
686 param->cpu&X264_CPU_SSE3 ? "SSE3 " : "",
687 param->cpu&X264_CPU_SSSE3 ? "SSSE3 " : "",
688 param->cpu&X264_CPU_3DNOW ? "3DNow! " : "",
689 param->cpu&X264_CPU_ALTIVEC ? "Altivec " : "",
690 param->cpu&X264_CPU_CACHELINE_SPLIT ?
691 param->cpu&X264_CPU_CACHELINE_32 ? "Cache32 " :
692 param->cpu&X264_CPU_CACHELINE_64 ? "Cache64 " : "Cache? " : "",
693 param->cpu ? "" : "none!" );
696 h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 4
697 * ( h->param.rc.i_rc_method == X264_RC_ABR ? pow( 0.95, h->param.rc.i_qp_min )
698 : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
702 for( i = 1; i < h->param.i_threads; i++ )
703 h->thread[i] = x264_malloc( sizeof(x264_t) );
705 for( i = 0; i < h->param.i_threads; i++ )
709 h->thread[i]->fdec = x264_frame_pop_unused( h );
710 h->thread[i]->out.p_bitstream = x264_malloc( h->out.i_bitstream );
711 if( x264_macroblock_cache_init( h->thread[i] ) < 0 )
715 if( x264_ratecontrol_new( h ) < 0 )
718 #ifdef DEBUG_DUMP_FRAME
720 /* create or truncate the reconstructed video file */
721 FILE *f = fopen( "fdec.yuv", "w" );
726 x264_log( h, X264_LOG_ERROR, "can't write to fdec.yuv\n" );
736 /****************************************************************************
737 * x264_encoder_reconfig:
738 ****************************************************************************/
739 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
741 #define COPY(var) h->param.var = param->var
742 COPY( i_frame_reference ); // but never uses more refs than initially specified
743 COPY( i_bframe_bias );
744 if( h->param.i_scenecut_threshold >= 0 && param->i_scenecut_threshold >= 0 )
745 COPY( i_scenecut_threshold ); // can't turn it on or off, only vary the threshold
746 COPY( b_deblocking_filter );
747 COPY( i_deblocking_filter_alphac0 );
748 COPY( i_deblocking_filter_beta );
749 COPY( analyse.intra );
750 COPY( analyse.inter );
751 COPY( analyse.i_direct_mv_pred );
752 COPY( analyse.i_me_method );
753 COPY( analyse.i_me_range );
754 COPY( analyse.i_noise_reduction );
755 COPY( analyse.i_subpel_refine );
756 COPY( analyse.i_trellis );
757 COPY( analyse.b_bidir_me );
758 COPY( analyse.b_bframe_rdo );
759 COPY( analyse.b_chroma_me );
760 COPY( analyse.b_dct_decimate );
761 COPY( analyse.b_fast_pskip );
762 COPY( analyse.b_mixed_references );
763 // can only twiddle these if they were enabled to begin with:
764 if( h->pps->b_transform_8x8_mode )
765 COPY( analyse.b_transform_8x8 );
766 if( h->frames.i_max_ref1 > 1 )
767 COPY( b_bframe_pyramid );
772 return x264_validate_parameters( h );
776 static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
778 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
780 nal->i_ref_idc = i_ref_idc;
781 nal->i_type = i_type;
784 nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
786 static void x264_nal_end( x264_t *h )
788 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
789 nal->i_payload = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8] - nal->p_payload;
793 /****************************************************************************
794 * x264_encoder_headers:
795 ****************************************************************************/
796 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
798 /* init bitstream context */
800 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
802 /* Put SPS and PPS */
803 if( h->i_frame == 0 )
805 /* identify ourself */
806 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
807 x264_sei_version_write( h, &h->out.bs );
810 /* generate sequence parameters */
811 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
812 x264_sps_write( &h->out.bs, h->sps );
815 /* generate picture parameters */
816 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
817 x264_pps_write( &h->out.bs, h->pps );
821 *pi_nal = h->out.i_nal;
822 *pp_nal = &h->out.nal[0];
828 static inline void x264_reference_build_list( x264_t *h, int i_poc )
833 /* build ref list 0/1 */
836 for( i = 0; h->frames.reference[i]; i++ )
838 if( h->frames.reference[i]->i_poc < i_poc )
840 h->fref0[h->i_ref0++] = h->frames.reference[i];
842 else if( h->frames.reference[i]->i_poc > i_poc )
844 h->fref1[h->i_ref1++] = h->frames.reference[i];
848 /* Order ref0 from higher to lower poc */
852 for( i = 0; i < h->i_ref0 - 1; i++ )
854 if( h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
856 XCHG( x264_frame_t*, h->fref0[i], h->fref0[i+1] );
862 /* Order ref1 from lower to higher poc (bubble sort) for B-frame */
866 for( i = 0; i < h->i_ref1 - 1; i++ )
868 if( h->fref1[i]->i_poc > h->fref1[i+1]->i_poc )
870 XCHG( x264_frame_t*, h->fref1[i], h->fref1[i+1] );
877 /* In the standard, a P-frame's ref list is sorted by frame_num.
878 * We use POC, but check whether explicit reordering is needed */
879 h->b_ref_reorder[0] =
880 h->b_ref_reorder[1] = 0;
881 if( h->sh.i_type == SLICE_TYPE_P )
883 for( i = 0; i < h->i_ref0 - 1; i++ )
884 if( h->fref0[i]->i_frame_num < h->fref0[i+1]->i_frame_num )
886 h->b_ref_reorder[0] = 1;
891 h->i_ref1 = X264_MIN( h->i_ref1, h->frames.i_max_ref1 );
892 h->i_ref0 = X264_MIN( h->i_ref0, h->frames.i_max_ref0 );
893 h->i_ref0 = X264_MIN( h->i_ref0, h->param.i_frame_reference ); // if reconfig() has lowered the limit
894 assert( h->i_ref0 + h->i_ref1 <= 16 );
895 h->mb.pic.i_fref[0] = h->i_ref0;
896 h->mb.pic.i_fref[1] = h->i_ref1;
899 static void x264_fdec_filter_row( x264_t *h, int mb_y )
901 /* mb_y is the mb to be encoded next, not the mb to be filtered here */
902 int b_hpel = h->fdec->b_kept_as_ref;
903 int b_deblock = !h->sh.i_disable_deblocking_filter_idc;
904 int b_end = mb_y == h->sps->i_mb_height;
905 int min_y = mb_y - (1 << h->sh.b_mbaff);
906 #ifndef DEBUG_DUMP_FRAME
909 if( mb_y & h->sh.b_mbaff )
917 for( j=0; j<=h->sh.b_mbaff; j++ )
920 memcpy( h->mb.intra_border_backup[j][i],
921 h->fdec->plane[i] + ((mb_y*16 >> !!i) + j - 1 - h->sh.b_mbaff) * h->fdec->i_stride[i],
922 h->sps->i_mb_width*16 >> !!i );
928 int max_y = b_end ? h->sps->i_mb_height : mb_y;
930 for( y = min_y; y < max_y; y += (1 << h->sh.b_mbaff) )
931 x264_frame_deblock_row( h, y );
936 x264_frame_expand_border( h, h->fdec, min_y, b_end );
937 x264_frame_filter( h, h->fdec, min_y, b_end );
938 x264_frame_expand_border_filtered( h, h->fdec, min_y, b_end );
941 if( h->param.i_threads > 1 && h->fdec->b_kept_as_ref )
943 x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << h->sh.b_mbaff)) );
947 static inline void x264_reference_update( x264_t *h )
951 if( h->fdec->i_frame >= 0 )
954 if( !h->fdec->b_kept_as_ref )
956 if( h->param.i_threads > 1 )
958 x264_frame_push_unused( h, h->fdec );
959 h->fdec = x264_frame_pop_unused( h );
964 /* move lowres copy of the image to the ref frame */
965 for( i = 0; i < 4; i++)
967 XCHG( uint8_t*, h->fdec->lowres[i], h->fenc->lowres[i] );
968 XCHG( uint8_t*, h->fdec->buffer_lowres[i], h->fenc->buffer_lowres[i] );
971 /* adaptive B decision needs a pointer, since it can't use the ref lists */
972 if( h->sh.i_type != SLICE_TYPE_B )
973 h->frames.last_nonb = h->fdec;
975 /* move frame in the buffer */
976 x264_frame_push( h->frames.reference, h->fdec );
977 if( h->frames.reference[h->frames.i_max_dpb] )
978 x264_frame_push_unused( h, x264_frame_shift( h->frames.reference ) );
979 h->fdec = x264_frame_pop_unused( h );
982 static inline void x264_reference_reset( x264_t *h )
984 while( h->frames.reference[0] )
985 x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
990 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
992 /* ------------------------ Create slice header ----------------------- */
993 if( i_nal_type == NAL_SLICE_IDR )
995 x264_slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp );
998 h->i_idr_pic_id = ( h->i_idr_pic_id + 1 ) % 65536;
1002 x264_slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp );
1004 /* always set the real higher num of ref frame used */
1005 h->sh.b_num_ref_idx_override = 1;
1006 h->sh.i_num_ref_idx_l0_active = h->i_ref0 <= 0 ? 1 : h->i_ref0;
1007 h->sh.i_num_ref_idx_l1_active = h->i_ref1 <= 0 ? 1 : h->i_ref1;
1010 h->fdec->i_frame_num = h->sh.i_frame_num;
1012 if( h->sps->i_poc_type == 0 )
1014 h->sh.i_poc_lsb = h->fdec->i_poc & ( (1 << h->sps->i_log2_max_poc_lsb) - 1 );
1015 h->sh.i_delta_poc_bottom = 0; /* XXX won't work for field */
1017 else if( h->sps->i_poc_type == 1 )
1019 /* FIXME TODO FIXME */
1023 /* Nothing to do ? */
1026 x264_macroblock_slice_init( h );
1029 static void x264_slice_write( x264_t *h )
1036 memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
1039 x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
1042 x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
1043 if( h->param.b_cabac )
1045 /* alignment needed */
1046 bs_align_1( &h->out.bs );
1049 x264_cabac_context_init( &h->cabac, h->sh.i_type, h->sh.i_qp, h->sh.i_cabac_init_idc );
1050 x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
1052 h->mb.i_last_qp = h->sh.i_qp;
1053 h->mb.i_last_dqp = 0;
1055 for( mb_xy = h->sh.i_first_mb, i_skip = 0; mb_xy < h->sh.i_last_mb; )
1057 const int i_mb_y = mb_xy / h->sps->i_mb_width;
1058 const int i_mb_x = mb_xy % h->sps->i_mb_width;
1059 int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
1062 x264_fdec_filter_row( h, i_mb_y );
1065 x264_macroblock_cache_load( h, i_mb_x, i_mb_y );
1067 /* analyse parameters
1068 * Slice I: choose I_4x4 or I_16x16 mode
1069 * Slice P: choose between using P mode or intra (4x4 or 16x16)
1071 TIMER_START( i_mtime_analyse );
1072 x264_macroblock_analyse( h );
1073 TIMER_STOP( i_mtime_analyse );
1075 /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
1076 TIMER_START( i_mtime_encode );
1077 x264_macroblock_encode( h );
1078 TIMER_STOP( i_mtime_encode );
1080 TIMER_START( i_mtime_write );
1081 if( h->param.b_cabac )
1083 if( mb_xy > h->sh.i_first_mb && !(h->sh.b_mbaff && (i_mb_y&1)) )
1084 x264_cabac_encode_terminal( &h->cabac );
1086 if( IS_SKIP( h->mb.i_type ) )
1087 x264_cabac_mb_skip( h, 1 );
1090 if( h->sh.i_type != SLICE_TYPE_I )
1091 x264_cabac_mb_skip( h, 0 );
1092 x264_macroblock_write_cabac( h, &h->cabac );
1097 if( IS_SKIP( h->mb.i_type ) )
1101 if( h->sh.i_type != SLICE_TYPE_I )
1103 bs_write_ue( &h->out.bs, i_skip ); /* skip run */
1106 x264_macroblock_write_cavlc( h, &h->out.bs );
1109 TIMER_STOP( i_mtime_write );
1112 if( h->param.b_visualize )
1113 x264_visualize_mb( h );
1117 x264_macroblock_cache_save( h );
1119 /* accumulate mb stats */
1120 h->stat.frame.i_mb_count[h->mb.i_type]++;
1121 if( !IS_SKIP(h->mb.i_type) && !IS_INTRA(h->mb.i_type) && !IS_DIRECT(h->mb.i_type) )
1123 if( h->mb.i_partition != D_8x8 )
1124 h->stat.frame.i_mb_count_size[ x264_mb_partition_pixel_table[ h->mb.i_partition ] ] += 4;
1126 for( i = 0; i < 4; i++ )
1127 h->stat.frame.i_mb_count_size[ x264_mb_partition_pixel_table[ h->mb.i_sub_partition[i] ] ] ++;
1128 if( h->param.i_frame_reference > 1 )
1130 for( i = 0; i < 4; i++ )
1132 int i_ref = h->mb.cache.ref[0][ x264_scan8[4*i] ];
1134 h->stat.frame.i_mb_count_ref[i_ref] ++;
1138 if( h->mb.i_cbp_luma && !IS_INTRA(h->mb.i_type) )
1140 h->stat.frame.i_mb_count_8x8dct[0] ++;
1141 h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
1144 if( h->mb.b_variable_qp )
1145 x264_ratecontrol_mb(h, bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac) - mb_spos);
1149 if( (i_mb_y&1) && i_mb_x == h->sps->i_mb_width - 1 )
1152 mb_xy += 1 - h->sps->i_mb_width;
1154 mb_xy += h->sps->i_mb_width;
1160 if( h->param.b_cabac )
1162 x264_cabac_encode_flush( h, &h->cabac );
1163 h->out.bs.p = h->cabac.p;
1168 bs_write_ue( &h->out.bs, i_skip ); /* last skip run */
1169 /* rbsp_slice_trailing_bits */
1170 bs_rbsp_trailing( &h->out.bs );
1175 /* Compute misc bits */
1176 h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
1178 - h->stat.frame.i_itex_bits
1179 - h->stat.frame.i_ptex_bits
1180 - h->stat.frame.i_hdr_bits;
1183 static void x264_thread_sync_context( x264_t *dst, x264_t *src )
1189 // reference counting
1190 for( f = src->frames.reference; *f; f++ )
1191 (*f)->i_reference_count++;
1192 for( f = dst->frames.reference; *f; f++ )
1193 x264_frame_push_unused( src, *f );
1194 src->fdec->i_reference_count++;
1195 x264_frame_push_unused( src, dst->fdec );
1197 // copy everything except the per-thread pointers and the constants.
1198 memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.type) - offsetof(x264_t, i_frame) );
1199 memcpy( &dst->mb.i_type, &src->mb.i_type, offsetof(x264_t, rc) - offsetof(x264_t, mb.i_type) );
1200 dst->stat = src->stat;
1203 static void x264_thread_sync_stat( x264_t *dst, x264_t *src )
1207 memcpy( &dst->stat.i_slice_count, &src->stat.i_slice_count, sizeof(dst->stat) - sizeof(dst->stat.frame) );
1210 static int x264_slices_write( x264_t *h )
1215 if( h->param.b_visualize )
1216 x264_visualize_init( h );
1219 x264_stack_align( x264_slice_write, h );
1220 i_frame_size = h->out.nal[h->out.i_nal-1].i_payload;
1221 x264_fdec_filter_row( h, h->sps->i_mb_height );
1224 if( h->param.b_visualize )
1226 x264_visualize_show( h );
1227 x264_visualize_close( h );
1231 h->out.i_frame_size = i_frame_size;
1235 /****************************************************************************
1236 * x264_encoder_encode:
1237 * XXX: i_poc : is the poc of the current given picture
1238 * i_frame : is the number of the frame being coded
1239 * ex: type frame poc
1247 ****************************************************************************/
1248 int x264_encoder_encode( x264_t *h,
1249 x264_nal_t **pp_nal, int *pi_nal,
1250 x264_picture_t *pic_in,
1251 x264_picture_t *pic_out )
1253 x264_t *thread_current, *thread_prev, *thread_oldest;
1259 if( h->param.i_threads > 1)
1261 int i = ++h->i_thread_phase;
1262 int t = h->param.i_threads;
1263 thread_current = h->thread[ i%t ];
1264 thread_prev = h->thread[ (i-1)%t ];
1265 thread_oldest = h->thread[ (i+1)%t ];
1266 x264_thread_sync_context( thread_current, thread_prev );
1267 x264_thread_sync_ratecontrol( thread_current, thread_prev, thread_oldest );
1269 // fprintf(stderr, "current: %p prev: %p oldest: %p \n", thread_current, thread_prev, thread_oldest);
1278 // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0
1279 x264_reference_update( h );
1280 h->fdec->i_lines_completed = -1;
1286 /* ------------------- Setup new frame from picture -------------------- */
1287 TIMER_START( i_mtime_encode_frame );
1288 if( pic_in != NULL )
1290 /* 1: Copy the picture to a frame and move it to a buffer */
1291 x264_frame_t *fenc = x264_frame_pop_unused( h );
1293 x264_frame_copy_picture( h, fenc, pic_in );
1295 if( h->param.i_width != 16 * h->sps->i_mb_width ||
1296 h->param.i_height != 16 * h->sps->i_mb_height )
1297 x264_frame_expand_border_mod16( h, fenc );
1299 fenc->i_frame = h->frames.i_input++;
1301 x264_frame_push( h->frames.next, fenc );
1303 if( h->frames.b_have_lowres )
1304 x264_frame_init_lowres( h, fenc );
1306 if( h->frames.i_input <= h->frames.i_delay + 1 - h->param.i_threads )
1308 /* Nothing yet to encode */
1309 /* waiting for filling bframe buffer */
1310 pic_out->i_type = X264_TYPE_AUTO;
1315 if( h->frames.current[0] == NULL )
1318 /* 2: Select frame types */
1319 if( h->frames.next[0] == NULL )
1321 x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
1325 x264_slicetype_decide( h );
1327 /* 3: move some B-frames and 1 non-B to encode queue */
1328 while( IS_X264_TYPE_B( h->frames.next[bframes]->i_type ) )
1330 x264_frame_push( h->frames.current, x264_frame_shift( &h->frames.next[bframes] ) );
1331 /* FIXME: when max B-frames > 3, BREF may no longer be centered after GOP closing */
1332 if( h->param.b_bframe_pyramid && bframes > 1 )
1334 x264_frame_t *mid = x264_frame_shift( &h->frames.next[bframes/2] );
1335 mid->i_type = X264_TYPE_BREF;
1336 x264_frame_push( h->frames.current, mid );
1340 x264_frame_push( h->frames.current, x264_frame_shift( h->frames.next ) );
1342 TIMER_STOP( i_mtime_encode_frame );
1344 /* ------------------- Get frame to be encoded ------------------------- */
1345 /* 4: get picture to encode */
1346 h->fenc = x264_frame_shift( h->frames.current );
1347 if( h->fenc == NULL )
1349 /* Nothing yet to encode (ex: waiting for I/P with B frames) */
1350 /* waiting for filling bframe buffer */
1351 pic_out->i_type = X264_TYPE_AUTO;
1357 if( h->fenc->i_type == X264_TYPE_IDR )
1359 h->frames.i_last_idr = h->fenc->i_frame;
1362 /* ------------------- Setup frame context ----------------------------- */
1363 /* 5: Init data dependent of frame type */
1364 TIMER_START( i_mtime_encode_frame );
1365 if( h->fenc->i_type == X264_TYPE_IDR )
1367 /* reset ref pictures */
1368 x264_reference_reset( h );
1370 i_nal_type = NAL_SLICE_IDR;
1371 i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
1372 h->sh.i_type = SLICE_TYPE_I;
1374 else if( h->fenc->i_type == X264_TYPE_I )
1376 i_nal_type = NAL_SLICE;
1377 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
1378 h->sh.i_type = SLICE_TYPE_I;
1380 else if( h->fenc->i_type == X264_TYPE_P )
1382 i_nal_type = NAL_SLICE;
1383 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
1384 h->sh.i_type = SLICE_TYPE_P;
1386 else if( h->fenc->i_type == X264_TYPE_BREF )
1388 i_nal_type = NAL_SLICE;
1389 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* maybe add MMCO to forget it? -> low */
1390 h->sh.i_type = SLICE_TYPE_B;
1394 i_nal_type = NAL_SLICE;
1395 i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
1396 h->sh.i_type = SLICE_TYPE_B;
1400 h->fenc->i_poc = 2 * (h->fenc->i_frame - h->frames.i_last_idr);
1401 h->fdec->i_type = h->fenc->i_type;
1402 h->fdec->i_frame = h->fenc->i_frame;
1403 h->fenc->b_kept_as_ref =
1404 h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1;
1408 /* ------------------- Init ----------------------------- */
1409 /* build ref list 0/1 */
1410 x264_reference_build_list( h, h->fdec->i_poc );
1412 /* Init the rate control */
1413 x264_ratecontrol_start( h, h->fenc->i_qpplus1 );
1414 i_global_qp = x264_ratecontrol_qp( h );
1416 pic_out->i_qpplus1 =
1417 h->fdec->i_qpplus1 = i_global_qp + 1;
1419 if( h->sh.i_type == SLICE_TYPE_B )
1420 x264_macroblock_bipred_init( h );
1422 /* ------------------------ Create slice header ----------------------- */
1423 x264_slice_init( h, i_nal_type, i_global_qp );
1425 if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
1428 /* ---------------------- Write the bitstream -------------------------- */
1429 /* Init bitstream context */
1431 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
1436 if(h->sh.i_type == SLICE_TYPE_I)
1438 else if(h->sh.i_type == SLICE_TYPE_P)
1440 else if(h->sh.i_type == SLICE_TYPE_B)
1445 x264_nal_start(h, NAL_AUD, NAL_PRIORITY_DISPOSABLE);
1446 bs_write(&h->out.bs, 3, pic_type);
1447 bs_rbsp_trailing(&h->out.bs);
1451 h->i_nal_type = i_nal_type;
1452 h->i_nal_ref_idc = i_nal_ref_idc;
1454 /* Write SPS and PPS */
1455 if( i_nal_type == NAL_SLICE_IDR && h->param.b_repeat_headers )
1457 if( h->fenc->i_frame == 0 )
1459 /* identify ourself */
1460 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
1461 x264_sei_version_write( h, &h->out.bs );
1465 /* generate sequence parameters */
1466 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
1467 x264_sps_write( &h->out.bs, h->sps );
1470 /* generate picture parameters */
1471 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
1472 x264_pps_write( &h->out.bs, h->pps );
1477 if( h->param.i_threads > 1 )
1479 x264_pthread_create( &h->thread_handle, NULL, (void*)x264_slices_write, h );
1480 h->b_thread_active = 1;
1483 x264_slices_write( h );
1485 /* restore CPU state (before using float again) */
1486 x264_cpu_restore( h->param.cpu );
1488 if( h->sh.i_type == SLICE_TYPE_P && !h->param.rc.b_stat_read
1489 && h->param.i_scenecut_threshold >= 0
1490 && !h->param.b_pre_scenecut )
1492 const int *mbs = h->stat.frame.i_mb_count;
1493 int i_mb_i = mbs[I_16x16] + mbs[I_8x8] + mbs[I_4x4];
1494 int i_mb_p = mbs[P_L0] + mbs[P_8x8];
1495 int i_mb_s = mbs[P_SKIP];
1496 int i_mb = h->sps->i_mb_width * h->sps->i_mb_height;
1497 int64_t i_inter_cost = h->stat.frame.i_inter_cost;
1498 int64_t i_intra_cost = h->stat.frame.i_intra_cost;
1501 int i_gop_size = h->fenc->i_frame - h->frames.i_last_idr;
1502 float f_thresh_max = h->param.i_scenecut_threshold / 100.0;
1503 /* magic numbers pulled out of thin air */
1504 float f_thresh_min = f_thresh_max * h->param.i_keyint_min
1505 / ( h->param.i_keyint_max * 4 );
1506 if( h->param.i_keyint_min == h->param.i_keyint_max )
1507 f_thresh_min= f_thresh_max;
1509 /* macroblock_analyse() doesn't further analyse skipped mbs,
1510 * so we have to guess their cost */
1511 if( h->stat.frame.i_mbs_analysed > 0 )
1512 i_intra_cost = i_intra_cost * i_mb / h->stat.frame.i_mbs_analysed;
1514 if( i_gop_size < h->param.i_keyint_min / 4 )
1515 f_bias = f_thresh_min / 4;
1516 else if( i_gop_size <= h->param.i_keyint_min )
1517 f_bias = f_thresh_min * i_gop_size / h->param.i_keyint_min;
1520 f_bias = f_thresh_min
1521 + ( f_thresh_max - f_thresh_min )
1522 * ( i_gop_size - h->param.i_keyint_min )
1523 / ( h->param.i_keyint_max - h->param.i_keyint_min );
1525 f_bias = X264_MIN( f_bias, 1.0 );
1527 /* Bad P will be reencoded as I */
1528 if( h->stat.frame.i_mbs_analysed > 0 &&
1529 i_inter_cost >= (1.0 - f_bias) * i_intra_cost )
1533 x264_log( h, X264_LOG_DEBUG, "scene cut at %d Icost:%.0f Pcost:%.0f ratio:%.4f bias:%.4f gop:%d (imb:%d pmb:%d smb:%d)\n",
1535 (double)i_intra_cost, (double)i_inter_cost,
1536 1. - (double)i_inter_cost / i_intra_cost,
1538 i_mb_i, i_mb_p, i_mb_s );
1540 /* Restore frame num */
1543 for( b = 0; h->frames.current[b] && IS_X264_TYPE_B( h->frames.current[b]->i_type ); b++ );
1546 /* If using B-frames, force GOP to be closed.
1547 * Even if this frame is going to be I and not IDR, forcing a
1548 * P-frame before the scenecut will probably help compression.
1550 * We don't yet know exactly which frame is the scene cut, so
1551 * we can't assign an I-frame. Instead, change the previous
1552 * B-frame to P, and rearrange coding order. */
1554 if( h->param.b_bframe_adaptive || b > 1 )
1555 h->fenc->i_type = X264_TYPE_AUTO;
1556 x264_frame_sort_pts( h->frames.current );
1557 x264_frame_unshift( h->frames.next, h->fenc );
1558 h->fenc = h->frames.current[b-1];
1559 h->frames.current[b-1] = NULL;
1560 h->fenc->i_type = X264_TYPE_P;
1561 x264_frame_sort_dts( h->frames.current );
1563 /* Do IDR if needed */
1564 else if( i_gop_size >= h->param.i_keyint_min )
1569 /* Reinit field of fenc */
1570 h->fenc->i_type = X264_TYPE_IDR;
1573 /* Put enqueued frames back in the pool */
1574 while( h->frames.current[0] )
1575 x264_frame_push( h->frames.next, x264_frame_shift( h->frames.current ) );
1576 x264_frame_sort_pts( h->frames.next );
1580 h->fenc->i_type = X264_TYPE_I;
1586 x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
1590 static void x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
1591 x264_nal_t **pp_nal, int *pi_nal,
1592 x264_picture_t *pic_out )
1595 char psz_message[80];
1597 if( h->b_thread_active )
1599 x264_pthread_join( h->thread_handle, NULL );
1600 h->b_thread_active = 0;
1604 pic_out->i_type = X264_TYPE_AUTO;
1608 x264_frame_push_unused( thread_current, h->fenc );
1610 /* End bitstream, set output */
1611 *pi_nal = h->out.i_nal;
1612 *pp_nal = h->out.nal;
1615 /* Set output picture properties */
1616 if( h->sh.i_type == SLICE_TYPE_I )
1617 pic_out->i_type = h->i_nal_type == NAL_SLICE_IDR ? X264_TYPE_IDR : X264_TYPE_I;
1618 else if( h->sh.i_type == SLICE_TYPE_P )
1619 pic_out->i_type = X264_TYPE_P;
1621 pic_out->i_type = X264_TYPE_B;
1622 pic_out->i_pts = h->fenc->i_pts;
1624 pic_out->img.i_plane = h->fdec->i_plane;
1625 for(i = 0; i < 4; i++){
1626 pic_out->img.i_stride[i] = h->fdec->i_stride[i];
1627 pic_out->img.plane[i] = h->fdec->plane[i];
1630 /* ---------------------- Update encoder state ------------------------- */
1633 x264_cpu_restore( h->param.cpu );
1634 x264_ratecontrol_end( h, h->out.i_frame_size * 8 );
1636 /* restore CPU state (before using float again) */
1637 x264_cpu_restore( h->param.cpu );
1639 x264_noise_reduction_update( h );
1641 TIMER_STOP( i_mtime_encode_frame );
1643 /* ---------------------- Compute/Print statistics --------------------- */
1644 x264_thread_sync_stat( h, h->thread[0] );
1647 h->stat.i_slice_count[h->sh.i_type]++;
1648 h->stat.i_slice_size[h->sh.i_type] += h->out.i_frame_size + NALU_OVERHEAD;
1649 h->stat.i_slice_qp[h->sh.i_type] += h->fdec->i_qpplus1 - 1;
1651 for( i = 0; i < X264_MBTYPE_MAX; i++ )
1652 h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
1653 for( i = 0; i < 2; i++ )
1654 h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
1655 if( h->sh.i_type != SLICE_TYPE_I )
1657 for( i = 0; i < 7; i++ )
1658 h->stat.i_mb_count_size[h->sh.i_type][i] += h->stat.frame.i_mb_count_size[i];
1659 for( i = 0; i < 32; i++ )
1660 h->stat.i_mb_count_ref[h->sh.i_type][i] += h->stat.frame.i_mb_count_ref[i];
1662 if( h->sh.i_type == SLICE_TYPE_B )
1664 h->stat.i_direct_frames[ h->sh.b_direct_spatial_mv_pred ] ++;
1665 if( h->mb.b_direct_auto_write )
1667 //FIXME somewhat arbitrary time constants
1668 if( h->stat.i_direct_score[0] + h->stat.i_direct_score[1] > h->mb.i_mb_count )
1670 for( i = 0; i < 2; i++ )
1671 h->stat.i_direct_score[i] = h->stat.i_direct_score[i] * 9/10;
1673 for( i = 0; i < 2; i++ )
1674 h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i];
1678 psz_message[0] = '\0';
1679 if( h->param.analyse.b_psnr )
1683 for( i=0; i<3; i++ )
1685 sqe[i] = x264_pixel_ssd_wxh( &h->pixf,
1686 h->fdec->plane[i], h->fdec->i_stride[i],
1687 h->fenc->plane[i], h->fenc->i_stride[i],
1688 h->param.i_width >> !!i, h->param.i_height >> !!i );
1690 x264_cpu_restore( h->param.cpu );
1692 h->stat.i_sqe_global[h->sh.i_type] += sqe[0] + sqe[1] + sqe[2];
1693 h->stat.f_psnr_average[h->sh.i_type] += x264_psnr( sqe[0] + sqe[1] + sqe[2], 3 * h->param.i_width * h->param.i_height / 2 );
1694 h->stat.f_psnr_mean_y[h->sh.i_type] += x264_psnr( sqe[0], h->param.i_width * h->param.i_height );
1695 h->stat.f_psnr_mean_u[h->sh.i_type] += x264_psnr( sqe[1], h->param.i_width * h->param.i_height / 4 );
1696 h->stat.f_psnr_mean_v[h->sh.i_type] += x264_psnr( sqe[2], h->param.i_width * h->param.i_height / 4 );
1698 snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f",
1699 x264_psnr( sqe[0], h->param.i_width * h->param.i_height ),
1700 x264_psnr( sqe[1], h->param.i_width * h->param.i_height / 4),
1701 x264_psnr( sqe[2], h->param.i_width * h->param.i_height / 4) );
1704 if( h->param.analyse.b_ssim )
1706 // offset by 2 pixels to avoid alignment of ssim blocks with dct blocks
1707 float ssim_y = x264_pixel_ssim_wxh( &h->pixf,
1708 h->fdec->plane[0] + 2+2*h->fdec->i_stride[0], h->fdec->i_stride[0],
1709 h->fenc->plane[0] + 2+2*h->fenc->i_stride[0], h->fenc->i_stride[0],
1710 h->param.i_width-2, h->param.i_height-2 );
1711 h->stat.f_ssim_mean_y[h->sh.i_type] += ssim_y;
1712 snprintf( psz_message + strlen(psz_message), 80 - strlen(psz_message),
1713 " SSIM Y:%.5f", ssim_y );
1715 psz_message[79] = '\0';
1717 x264_log( h, X264_LOG_DEBUG,
1718 "frame=%4d QP=%i NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
1720 h->fdec->i_qpplus1 - 1,
1722 h->sh.i_type == SLICE_TYPE_I ? 'I' : (h->sh.i_type == SLICE_TYPE_P ? 'P' : 'B' ),
1724 h->stat.frame.i_mb_count_i,
1725 h->stat.frame.i_mb_count_p,
1726 h->stat.frame.i_mb_count_skip,
1727 h->out.i_frame_size,
1730 // keep stats all in one place
1731 x264_thread_sync_stat( h->thread[0], h );
1732 // for the use of the next frame
1733 x264_thread_sync_stat( thread_current, h );
1735 #ifdef DEBUG_MB_TYPE
1737 static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
1738 'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
1740 for( mb_xy = 0; mb_xy < h->sps->i_mb_width * h->sps->i_mb_height; mb_xy++ )
1742 if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 )
1743 fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
1745 fprintf( stderr, "? " );
1747 if( (mb_xy+1) % h->sps->i_mb_width == 0 )
1748 fprintf( stderr, "\n" );
1753 #ifdef DEBUG_DUMP_FRAME
1754 /* Dump reconstructed frame */
1755 x264_frame_dump( h, h->fdec, "fdec.yuv" );
1759 /****************************************************************************
1760 * x264_encoder_close:
1761 ****************************************************************************/
1762 void x264_encoder_close ( x264_t *h )
1764 #ifdef DEBUG_BENCHMARK
1765 int64_t i_mtime_total = i_mtime_analyse + i_mtime_encode + i_mtime_write + i_mtime_filter + 1;
1767 int64_t i_yuv_size = 3 * h->param.i_width * h->param.i_height / 2;
1770 for( i=0; i<h->param.i_threads; i++ )
1772 // don't strictly have to wait for the other threads, but it's simpler than cancelling them
1773 if( h->thread[i]->b_thread_active )
1774 x264_pthread_join( h->thread[i]->thread_handle, NULL );
1777 #ifdef DEBUG_BENCHMARK
1778 x264_log( h, X264_LOG_INFO,
1779 "analyse=%d(%lldms) encode=%d(%lldms) write=%d(%lldms) filter=%d(%lldms)\n",
1780 (int)(100*i_mtime_analyse/i_mtime_total), i_mtime_analyse/1000,
1781 (int)(100*i_mtime_encode/i_mtime_total), i_mtime_encode/1000,
1782 (int)(100*i_mtime_write/i_mtime_total), i_mtime_write/1000,
1783 (int)(100*i_mtime_filter/i_mtime_total), i_mtime_filter/1000 );
1786 /* Slices used and PSNR */
1787 for( i=0; i<5; i++ )
1789 static const int slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_SI, SLICE_TYPE_P, SLICE_TYPE_SP, SLICE_TYPE_B };
1790 static const char *slice_name[] = { "P", "B", "I", "SP", "SI" };
1791 int i_slice = slice_order[i];
1793 if( h->stat.i_slice_count[i_slice] > 0 )
1795 const int i_count = h->stat.i_slice_count[i_slice];
1796 if( h->param.analyse.b_psnr )
1798 x264_log( h, X264_LOG_INFO,
1799 "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",
1800 slice_name[i_slice],
1802 (double)h->stat.i_slice_qp[i_slice] / i_count,
1803 (double)h->stat.i_slice_size[i_slice] / i_count,
1804 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,
1805 h->stat.f_psnr_average[i_slice] / i_count,
1806 x264_psnr( h->stat.i_sqe_global[i_slice], i_count * i_yuv_size ) );
1810 x264_log( h, X264_LOG_INFO,
1811 "slice %s:%-5d Avg QP:%5.2f size:%6.0f\n",
1812 slice_name[i_slice],
1814 (double)h->stat.i_slice_qp[i_slice] / i_count,
1815 (double)h->stat.i_slice_size[i_slice] / i_count );
1821 if( h->stat.i_slice_count[SLICE_TYPE_I] > 0 )
1823 const int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
1824 const double i_count = h->stat.i_slice_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
1825 x264_log( h, X264_LOG_INFO,
1826 "mb I I16..4: %4.1f%% %4.1f%% %4.1f%%\n",
1827 i_mb_count[I_16x16]/ i_count,
1828 i_mb_count[I_8x8] / i_count,
1829 i_mb_count[I_4x4] / i_count );
1831 if( h->stat.i_slice_count[SLICE_TYPE_P] > 0 )
1833 const int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
1834 const int64_t *i_mb_size = h->stat.i_mb_count_size[SLICE_TYPE_P];
1835 const double i_count = h->stat.i_slice_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
1836 x264_log( h, X264_LOG_INFO,
1837 "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",
1838 i_mb_count[I_16x16]/ i_count,
1839 i_mb_count[I_8x8] / i_count,
1840 i_mb_count[I_4x4] / i_count,
1841 i_mb_size[PIXEL_16x16] / (i_count*4),
1842 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
1843 i_mb_size[PIXEL_8x8] / (i_count*4),
1844 (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
1845 i_mb_size[PIXEL_4x4] / (i_count*4),
1846 i_mb_count[P_SKIP] / i_count );
1848 if( h->stat.i_slice_count[SLICE_TYPE_B] > 0 )
1850 const int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
1851 const int64_t *i_mb_size = h->stat.i_mb_count_size[SLICE_TYPE_B];
1852 const double i_count = h->stat.i_slice_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
1853 x264_log( h, X264_LOG_INFO,
1854 "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",
1855 i_mb_count[I_16x16] / i_count,
1856 i_mb_count[I_8x8] / i_count,
1857 i_mb_count[I_4x4] / i_count,
1858 i_mb_size[PIXEL_16x16] / (i_count*4),
1859 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
1860 i_mb_size[PIXEL_8x8] / (i_count*4),
1861 i_mb_count[B_DIRECT] / i_count,
1862 i_mb_count[B_SKIP] / i_count );
1865 x264_ratecontrol_summary( h );
1867 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 )
1869 const int i_count = h->stat.i_slice_count[SLICE_TYPE_I] +
1870 h->stat.i_slice_count[SLICE_TYPE_P] +
1871 h->stat.i_slice_count[SLICE_TYPE_B];
1872 float fps = (float) h->param.i_fps_num / h->param.i_fps_den;
1873 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
1874 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
1875 float f_bitrate = fps * SUM3(h->stat.i_slice_size) / i_count / 125;
1877 if( h->pps->b_transform_8x8_mode )
1879 int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
1880 int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
1881 + SUM3b( h->stat.i_mb_count, I_16x16 );
1882 x264_log( h, X264_LOG_INFO, "8x8 transform intra:%.1f%% inter:%.1f%%\n",
1883 100. * i_i8x8 / i_intra,
1884 100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
1887 if( h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
1888 && h->stat.i_slice_count[SLICE_TYPE_B] )
1890 x264_log( h, X264_LOG_INFO, "direct mvs spatial:%.1f%% temporal:%.1f%%\n",
1891 h->stat.i_direct_frames[1] * 100. / h->stat.i_slice_count[SLICE_TYPE_B],
1892 h->stat.i_direct_frames[0] * 100. / h->stat.i_slice_count[SLICE_TYPE_B] );
1895 if( h->frames.i_max_ref0 > 1 )
1898 for( i_slice = 0; i_slice < 2; i_slice++ )
1904 for( i = 0; i < h->frames.i_max_ref0 << h->param.b_interlaced; i++ )
1905 if( h->stat.i_mb_count_ref[i_slice][i] )
1907 i_den += h->stat.i_mb_count_ref[i_slice][i];
1912 for( i = 0; i <= i_max; i++ )
1913 p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i] / i_den );
1914 x264_log( h, X264_LOG_INFO, "ref %c %s\n", i_slice==SLICE_TYPE_P ? 'P' : 'B', buf );
1918 if( h->param.analyse.b_ssim )
1920 x264_log( h, X264_LOG_INFO,
1921 "SSIM Mean Y:%.7f\n",
1922 SUM3( h->stat.f_ssim_mean_y ) / i_count );
1924 if( h->param.analyse.b_psnr )
1926 x264_log( h, X264_LOG_INFO,
1927 "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
1928 SUM3( h->stat.f_psnr_mean_y ) / i_count,
1929 SUM3( h->stat.f_psnr_mean_u ) / i_count,
1930 SUM3( h->stat.f_psnr_mean_v ) / i_count,
1931 SUM3( h->stat.f_psnr_average ) / i_count,
1932 x264_psnr( SUM3( h->stat.i_sqe_global ), i_count * i_yuv_size ),
1936 x264_log( h, X264_LOG_INFO, "kb/s:%.1f\n", f_bitrate );
1940 for( i = 0; h->frames.current[i]; i++ )
1941 x264_frame_delete( h->frames.current[i] );
1942 for( i = 0; h->frames.next[i]; i++ )
1943 x264_frame_delete( h->frames.next[i] );
1944 for( i = 0; h->frames.unused[i]; i++ )
1945 x264_frame_delete( h->frames.unused[i] );
1946 for( i = 0; h->frames.reference[i]; i++ )
1947 x264_frame_delete( h->frames.reference[i] );
1950 x264_ratecontrol_delete( h );
1953 if( h->param.rc.psz_stat_out )
1954 free( h->param.rc.psz_stat_out );
1955 if( h->param.rc.psz_stat_in )
1956 free( h->param.rc.psz_stat_in );
1957 if( h->param.rc.psz_rc_eq )
1958 free( h->param.rc.psz_rc_eq );
1960 x264_cqm_delete( h );
1961 for( i = h->param.i_threads - 1; i >= 0; i-- )
1963 x264_macroblock_cache_end( h->thread[i] );
1964 x264_free( h->thread[i]->out.p_bitstream );
1965 x264_free( h->thread[i] );