6f83aa5f3ef4d9526e707a36a953e25389092250
[x262.git] / 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, -1, 2 );
391     /* don't yet support merging of cabac stats */
392     if( h->param.i_threads > 1 && h->param.i_cabac_init_idc == -1 )
393         h->param.i_cabac_init_idc = 0;
394
395     if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
396         h->param.i_cqm_preset = X264_CQM_FLAT;
397
398     if( h->param.analyse.i_me_method < X264_ME_DIA ||
399         h->param.analyse.i_me_method > X264_ME_ESA )
400         h->param.analyse.i_me_method = X264_ME_HEX;
401     if( h->param.analyse.i_me_range < 4 )
402         h->param.analyse.i_me_range = 4;
403     if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
404         h->param.analyse.i_me_range = 16;
405     h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 1, 6 );
406     if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
407         h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
408     if( !h->param.analyse.b_transform_8x8 )
409     {
410         h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
411         h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
412     }
413     h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
414     h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 2048);
415
416     if( h->param.rc.f_qblur < 0 )
417         h->param.rc.f_qblur = 0;
418     if( h->param.rc.f_complexity_blur < 0 )
419         h->param.rc.f_complexity_blur = 0;
420
421     return 0;
422 }
423
424 /****************************************************************************
425  * x264_encoder_open:
426  ****************************************************************************/
427 x264_t *x264_encoder_open   ( x264_param_t *param )
428 {
429     x264_t *h = x264_malloc( sizeof( x264_t ) );
430     int i;
431
432     memset( h, 0, sizeof( x264_t ) );
433
434     /* Create a copy of param */
435     memcpy( &h->param, param, sizeof( x264_param_t ) );
436
437     if( x264_validate_parameters( h ) < 0 )
438     {
439         x264_free( h );
440         return NULL;
441     }
442
443     if( h->param.psz_cqm_file )
444         if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
445         {
446             x264_free( h );
447             return NULL;
448         }
449
450     if( h->param.rc.psz_stat_out )
451         h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out );
452     if( h->param.rc.psz_stat_in )
453         h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
454     if( h->param.rc.psz_rc_eq )
455         h->param.rc.psz_rc_eq = strdup( h->param.rc.psz_rc_eq );
456
457     /* VUI */
458     if( h->param.vui.i_sar_width > 0 && h->param.vui.i_sar_height > 0 )
459     {
460         int i_w = param->vui.i_sar_width;
461         int i_h = param->vui.i_sar_height;
462         int a = i_w, b = i_h;
463
464         while( b != 0 )
465         {
466             int t = a;
467
468             a = b;
469             b = t % b;
470         }
471
472         i_w /= a;
473         i_h /= a;
474         while( i_w > 65535 || i_h > 65535 )
475         {
476             i_w /= 2;
477             i_h /= 2;
478         }
479
480         h->param.vui.i_sar_width = 0;
481         h->param.vui.i_sar_height = 0;
482         if( i_w == 0 || i_h == 0 )
483         {
484             x264_log( h, X264_LOG_ERROR, "cannot create valid sample aspect ratio\n" );
485         }
486         else if( i_w == i_h )
487         {
488             x264_log( h, X264_LOG_INFO, "no need for a SAR\n" );
489         }
490         else
491         {
492             x264_log( h, X264_LOG_INFO, "using SAR=%d/%d\n", i_w, i_h );
493             h->param.vui.i_sar_width = i_w;
494             h->param.vui.i_sar_height = i_h;
495         }
496     }
497
498
499     /* Init x264_t */
500     h->out.i_nal = 0;
501     h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 1.7
502         * ( h->param.rc.b_cbr ? pow( 0.5, h->param.rc.i_qp_min )
503           : pow( 0.5, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
504     h->out.p_bitstream = x264_malloc( h->out.i_bitstream );
505
506     h->i_frame = 0;
507     h->i_frame_num = 0;
508     h->i_idr_pic_id = 0;
509
510     h->sps = &h->sps_array[0];
511     x264_sps_init( h->sps, 0, &h->param );
512
513     h->pps = &h->pps_array[0];
514     x264_pps_init( h->pps, 0, &h->param, h->sps);
515
516     x264_cqm_init( h );
517     
518     h->mb.i_mb_count = h->sps->i_mb_width * h->sps->i_mb_height;
519
520     /* Init frames. */
521     h->frames.i_delay = h->param.i_bframe;
522     h->frames.i_max_ref0 = h->param.i_frame_reference;
523     h->frames.i_max_ref1 = h->sps->vui.i_num_reorder_frames;
524     h->frames.i_max_dpb  = h->sps->vui.i_max_dec_frame_buffering + 1;
525     h->frames.b_have_lowres = !h->param.rc.b_stat_read
526         && ( h->param.rc.b_cbr || h->param.rc.i_rf_constant || h->param.b_bframe_adaptive );
527
528     for( i = 0; i < X264_BFRAME_MAX + 3; i++ )
529     {
530         h->frames.current[i] = NULL;
531         h->frames.next[i]    = NULL;
532         h->frames.unused[i]  = NULL;
533     }
534     for( i = 0; i < 1 + h->frames.i_delay; i++ )
535     {
536         h->frames.unused[i] =  x264_frame_new( h );
537     }
538     for( i = 0; i < h->frames.i_max_dpb; i++ )
539     {
540         h->frames.reference[i] = x264_frame_new( h );
541     }
542     h->frames.reference[h->frames.i_max_dpb] = NULL;
543     h->frames.i_last_idr = - h->param.i_keyint_max;
544     h->frames.i_input    = 0;
545     h->frames.last_nonb  = NULL;
546
547     h->i_ref0 = 0;
548     h->i_ref1 = 0;
549
550     h->fdec = h->frames.reference[0];
551
552     /* init mb cache */
553     x264_macroblock_cache_init( h );
554
555     /* init cabac adaptive model */
556     x264_cabac_model_init( &h->cabac );
557
558     /* init CPU functions */
559     x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
560     x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
561     x264_predict_8x8_init( h->param.cpu, h->predict_8x8 );
562     x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
563
564     x264_pixel_init( h->param.cpu, &h->pixf );
565     x264_dct_init( h->param.cpu, &h->dctf );
566     x264_mc_init( h->param.cpu, &h->mc );
567     x264_csp_init( h->param.cpu, h->param.i_csp, &h->csp );
568     x264_quant_init( h, h->param.cpu, &h->quantf );
569     x264_deblock_init( h->param.cpu, &h->loopf );
570
571     memcpy( h->pixf.mbcmp,
572             ( h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1 ) ? h->pixf.sad : h->pixf.satd,
573             sizeof(h->pixf.mbcmp) );
574
575     /* rate control */
576     if( x264_ratecontrol_new( h ) < 0 )
577         return NULL;
578
579     x264_log( h, X264_LOG_INFO, "using cpu capabilities %s%s%s%s%s%s\n",
580              param->cpu&X264_CPU_MMX ? "MMX " : "",
581              param->cpu&X264_CPU_MMXEXT ? "MMXEXT " : "",
582              param->cpu&X264_CPU_SSE ? "SSE " : "",
583              param->cpu&X264_CPU_SSE2 ? "SSE2 " : "",
584              param->cpu&X264_CPU_3DNOW ? "3DNow! " : "",
585              param->cpu&X264_CPU_ALTIVEC ? "Altivec " : "" );
586
587     h->thread[0] = h;
588     for( i = 1; i < param->i_threads; i++ )
589         h->thread[i] = x264_malloc( sizeof(x264_t) );
590
591     return h;
592 }
593
594 /****************************************************************************
595  * x264_encoder_reconfig:
596  ****************************************************************************/
597 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
598 {
599     h->param.i_bframe_bias = param->i_bframe_bias;
600     h->param.i_deblocking_filter_alphac0 = param->i_deblocking_filter_alphac0;
601     h->param.i_deblocking_filter_beta    = param->i_deblocking_filter_beta;
602     h->param.analyse.i_me_method = param->analyse.i_me_method;
603     h->param.analyse.i_me_range = param->analyse.i_me_range;
604     h->param.analyse.i_subpel_refine = param->analyse.i_subpel_refine;
605     h->param.analyse.intra = param->analyse.intra;
606     h->param.analyse.inter = param->analyse.inter;
607     if( h->sps->b_direct8x8_inference && h->param.i_bframe
608         && h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_TEMPORAL )
609         h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
610
611     memcpy( h->pixf.mbcmp,
612             ( h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1 ) ? h->pixf.sad : h->pixf.satd,
613             sizeof(h->pixf.mbcmp) );
614
615     return x264_validate_parameters( h );
616 }
617
618 /* internal usage */
619 static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
620 {
621     x264_nal_t *nal = &h->out.nal[h->out.i_nal];
622
623     nal->i_ref_idc = i_ref_idc;
624     nal->i_type    = i_type;
625
626     bs_align_0( &h->out.bs );   /* not needed */
627
628     nal->i_payload= 0;
629     nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs) / 8];
630 }
631 static void x264_nal_end( x264_t *h )
632 {
633     x264_nal_t *nal = &h->out.nal[h->out.i_nal];
634
635     bs_align_0( &h->out.bs );   /* not needed */
636
637     nal->i_payload = &h->out.p_bitstream[bs_pos( &h->out.bs)/8] - nal->p_payload;
638
639     h->out.i_nal++;
640 }
641
642 /****************************************************************************
643  * x264_encoder_headers:
644  ****************************************************************************/
645 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
646 {
647     /* init bitstream context */
648     h->out.i_nal = 0;
649     bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
650
651     /* Put SPS and PPS */
652     if( h->i_frame == 0 )
653     {
654         /* identify ourself */
655         x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
656         x264_sei_version_write( &h->out.bs );
657         x264_nal_end( h );
658
659         /* generate sequence parameters */
660         x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
661         x264_sps_write( &h->out.bs, h->sps );
662         x264_nal_end( h );
663
664         /* generate picture parameters */
665         x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
666         x264_pps_write( &h->out.bs, h->pps );
667         x264_nal_end( h );
668     }
669     /* now set output*/
670     *pi_nal = h->out.i_nal;
671     *pp_nal = &h->out.nal[0];
672
673     return 0;
674 }
675
676
677 static void x264_frame_put( x264_frame_t *list[X264_BFRAME_MAX], x264_frame_t *frame )
678 {
679     int i = 0;
680     while( list[i] ) i++;
681     list[i] = frame;
682 }
683
684 static void x264_frame_push( x264_frame_t *list[X264_BFRAME_MAX], x264_frame_t *frame )
685 {
686     int i = 0;
687     while( list[i] ) i++;
688     while( i-- )
689         list[i+1] = list[i];
690     list[0] = frame;
691 }
692
693 static x264_frame_t *x264_frame_get( x264_frame_t *list[X264_BFRAME_MAX+1] )
694 {
695     x264_frame_t *frame = list[0];
696     int i;
697     for( i = 0; list[i]; i++ )
698         list[i] = list[i+1];
699     return frame;
700 }
701
702 static void x264_frame_sort( x264_frame_t *list[X264_BFRAME_MAX+1], int b_dts )
703 {
704     int i, b_ok;
705     do {
706         b_ok = 1;
707         for( i = 0; list[i+1]; i++ )
708         {
709             int dtype = list[i]->i_type - list[i+1]->i_type;
710             int dtime = list[i]->i_frame - list[i+1]->i_frame;
711             int swap = b_dts ? dtype > 0 || ( dtype == 0 && dtime > 0 )
712                              : dtime > 0;
713             if( swap )
714             {
715                 x264_frame_t *tmp = list[i+1];
716                 list[i+1] = list[i];
717                 list[i] = tmp;
718                 b_ok = 0;
719             }
720         }
721     } while( !b_ok );
722 }
723 #define x264_frame_sort_dts(list) x264_frame_sort(list, 1)
724 #define x264_frame_sort_pts(list) x264_frame_sort(list, 0)
725
726 static inline void x264_reference_build_list( x264_t *h, int i_poc, int i_slice_type )
727 {
728     int i;
729     int b_ok;
730
731     /* build ref list 0/1 */
732     h->i_ref0 = 0;
733     h->i_ref1 = 0;
734     for( i = 1; i < h->frames.i_max_dpb; i++ )
735     {
736         if( h->frames.reference[i]->i_poc >= 0 )
737         {
738             if( h->frames.reference[i]->i_poc < i_poc )
739             {
740                 h->fref0[h->i_ref0++] = h->frames.reference[i];
741             }
742             else if( h->frames.reference[i]->i_poc > i_poc )
743             {
744                 h->fref1[h->i_ref1++] = h->frames.reference[i];
745             }
746         }
747     }
748
749     /* Order ref0 from higher to lower poc */
750     do
751     {
752         b_ok = 1;
753         for( i = 0; i < h->i_ref0 - 1; i++ )
754         {
755             if( h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
756             {
757                 x264_frame_t *tmp = h->fref0[i+1];
758
759                 h->fref0[i+1] = h->fref0[i];
760                 h->fref0[i] = tmp;
761                 b_ok = 0;
762                 break;
763             }
764         }
765     } while( !b_ok );
766     /* Order ref1 from lower to higher poc (bubble sort) for B-frame */
767     do
768     {
769         b_ok = 1;
770         for( i = 0; i < h->i_ref1 - 1; i++ )
771         {
772             if( h->fref1[i]->i_poc > h->fref1[i+1]->i_poc )
773             {
774                 x264_frame_t *tmp = h->fref1[i+1];
775
776                 h->fref1[i+1] = h->fref1[i];
777                 h->fref1[i] = tmp;
778                 b_ok = 0;
779                 break;
780             }
781         }
782     } while( !b_ok );
783
784     /* In the standard, a P-frame's ref list is sorted by frame_num.
785      * We use POC, but check whether explicit reordering is needed */
786     h->b_ref_reorder[0] =
787     h->b_ref_reorder[1] = 0;
788     if( i_slice_type == SLICE_TYPE_P )
789     {
790         for( i = 0; i < h->i_ref0 - 1; i++ )
791             if( h->fref0[i]->i_frame_num < h->fref0[i+1]->i_frame_num )
792             {
793                 h->b_ref_reorder[0] = 1;
794                 break;
795             }
796     }
797
798     h->i_ref1 = X264_MIN( h->i_ref1, h->frames.i_max_ref1 );
799     h->i_ref0 = X264_MIN( h->i_ref0, h->frames.i_max_ref0 );
800     h->i_ref0 = X264_MIN( h->i_ref0, 16 - h->i_ref1 );
801 }
802
803 static inline void x264_reference_update( x264_t *h )
804 {
805     int i;
806
807     /* apply deblocking filter to the current decoded picture */
808     if( !h->sh.i_disable_deblocking_filter_idc )
809     {
810         TIMER_START( i_mtime_filter );
811         x264_frame_deblocking_filter( h, h->sh.i_type );
812         TIMER_STOP( i_mtime_filter );
813     }
814     /* expand border */
815     x264_frame_expand_border( h->fdec );
816
817     /* create filtered images */
818     x264_frame_filter( h->param.cpu, h->fdec );
819
820     /* expand border of filtered images */
821     x264_frame_expand_border_filtered( h->fdec );
822
823     /* move lowres copy of the image to the ref frame */
824     for( i = 0; i < 4; i++)
825     {
826         uint8_t *tmp = h->fdec->lowres[i];
827         h->fdec->lowres[i] = h->fenc->lowres[i];
828         h->fenc->lowres[i] = tmp;
829     }
830
831     /* adaptive B decision needs a pointer, since it can't use the ref lists */
832     if( h->sh.i_type != SLICE_TYPE_B )
833         h->frames.last_nonb = h->fdec;
834
835     /* move frame in the buffer */
836     h->fdec = h->frames.reference[h->frames.i_max_dpb-1];
837     for( i = h->frames.i_max_dpb-1; i > 0; i-- )
838     {
839         h->frames.reference[i] = h->frames.reference[i-1];
840     }
841     h->frames.reference[0] = h->fdec;
842 }
843
844 static inline void x264_reference_reset( x264_t *h )
845 {
846     int i;
847
848     /* reset ref pictures */
849     for( i = 1; i < h->frames.i_max_dpb; i++ )
850     {
851         h->frames.reference[i]->i_poc = -1;
852     }
853     h->frames.reference[0]->i_poc = 0;
854 }
855
856 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_slice_type, int i_global_qp )
857 {
858     /* ------------------------ Create slice header  ----------------------- */
859     if( i_nal_type == NAL_SLICE_IDR )
860     {
861         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 );
862
863         /* increment id */
864         h->i_idr_pic_id = ( h->i_idr_pic_id + 1 ) % 65536;
865     }
866     else
867     {
868         x264_slice_header_init( h, &h->sh, h->sps, h->pps, i_slice_type, -1, h->i_frame_num - 1, i_global_qp );
869
870         /* always set the real higher num of ref frame used */
871         h->sh.b_num_ref_idx_override = 1;
872         h->sh.i_num_ref_idx_l0_active = h->i_ref0 <= 0 ? 1 : h->i_ref0;
873         h->sh.i_num_ref_idx_l1_active = h->i_ref1 <= 0 ? 1 : h->i_ref1;
874     }
875
876     h->fdec->i_frame_num = h->sh.i_frame_num;
877
878     if( h->sps->i_poc_type == 0 )
879     {
880         h->sh.i_poc_lsb = h->fdec->i_poc & ( (1 << h->sps->i_log2_max_poc_lsb) - 1 );
881         h->sh.i_delta_poc_bottom = 0;   /* XXX won't work for field */
882     }
883     else if( h->sps->i_poc_type == 1 )
884     {
885         /* FIXME TODO FIXME */
886     }
887     else
888     {
889         /* Nothing to do ? */
890     }
891
892     /* get adapative cabac model if needed */
893     if( h->param.b_cabac )
894     {
895         if( h->param.i_cabac_init_idc == -1 )
896         {
897             h->sh.i_cabac_init_idc = x264_cabac_model_get( &h->cabac, i_slice_type );
898         }
899     }
900
901     x264_macroblock_slice_init( h );
902 }
903
904 static int x264_slice_write( x264_t *h )
905 {
906     int i_skip;
907     int mb_xy;
908     int i;
909
910     /* init stats */
911     memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
912
913     /* Slice */
914     x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
915
916     /* Slice header */
917     x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
918     if( h->param.b_cabac )
919     {
920         /* alignment needed */
921         bs_align_1( &h->out.bs );
922
923         /* init cabac */
924         x264_cabac_context_init( &h->cabac, h->sh.i_type, h->sh.i_qp, h->sh.i_cabac_init_idc );
925         x264_cabac_encode_init ( &h->cabac, &h->out.bs );
926     }
927     h->mb.i_last_qp = h->sh.i_qp;
928     h->mb.i_last_dqp = 0;
929
930     for( mb_xy = h->sh.i_first_mb, i_skip = 0; mb_xy < h->sh.i_last_mb; mb_xy++ )
931     {
932         const int i_mb_y = mb_xy / h->sps->i_mb_width;
933         const int i_mb_x = mb_xy % h->sps->i_mb_width;
934
935         int mb_spos = bs_pos(&h->out.bs);
936
937         /* load cache */
938         x264_macroblock_cache_load( h, i_mb_x, i_mb_y );
939
940         /* analyse parameters
941          * Slice I: choose I_4x4 or I_16x16 mode
942          * Slice P: choose between using P mode or intra (4x4 or 16x16)
943          * */
944         TIMER_START( i_mtime_analyse );
945         x264_macroblock_analyse( h );
946         TIMER_STOP( i_mtime_analyse );
947
948         /* encode this macrobock -> be carefull it can change the mb type to P_SKIP if needed */
949         TIMER_START( i_mtime_encode );
950         x264_macroblock_encode( h );
951         TIMER_STOP( i_mtime_encode );
952
953         TIMER_START( i_mtime_write );
954         if( h->param.b_cabac )
955         {
956             if( mb_xy > h->sh.i_first_mb )
957                 x264_cabac_encode_terminal( &h->cabac, 0 );
958
959             if( IS_SKIP( h->mb.i_type ) )
960                 x264_cabac_mb_skip( h, 1 );
961             else
962             {
963                 if( h->sh.i_type != SLICE_TYPE_I )
964                     x264_cabac_mb_skip( h, 0 );
965                 x264_macroblock_write_cabac( h, &h->cabac );
966             }
967         }
968         else
969         {
970             if( IS_SKIP( h->mb.i_type ) )
971                 i_skip++;
972             else
973             {
974                 if( h->sh.i_type != SLICE_TYPE_I )
975                 {
976                     bs_write_ue( &h->out.bs, i_skip );  /* skip run */
977                     i_skip = 0;
978                 }
979                 x264_macroblock_write_cavlc( h, &h->out.bs );
980             }
981         }
982         TIMER_STOP( i_mtime_write );
983
984 #if VISUALIZE
985         if( h->param.b_visualize )
986             x264_visualize_mb( h );
987 #endif
988
989         /* save cache */
990         x264_macroblock_cache_save( h );
991
992         /* accumulate mb stats */
993         h->stat.frame.i_mb_count[h->mb.i_type]++;
994         if( !IS_SKIP(h->mb.i_type) && !IS_INTRA(h->mb.i_type) && !IS_DIRECT(h->mb.i_type) )
995         {
996             if( h->mb.i_partition != D_8x8 )
997                 h->stat.frame.i_mb_count_size[ x264_mb_partition_pixel_table[ h->mb.i_partition ] ] += 4;
998             else
999                 for( i = 0; i < 4; i++ )
1000                     h->stat.frame.i_mb_count_size[ x264_mb_partition_pixel_table[ h->mb.i_sub_partition[i] ] ] ++;
1001             if( h->param.i_frame_reference > 1 )
1002             {
1003                 for( i = 0; i < 4; i++ )
1004                 {
1005                     int i_ref = h->mb.cache.ref[0][ x264_scan8[4*i] ];
1006                     if( i_ref >= 0 )
1007                         h->stat.frame.i_mb_count_ref[i_ref] ++;
1008                 }
1009             }
1010         }
1011         if( h->mb.i_cbp_luma && !IS_INTRA(h->mb.i_type) )
1012         {
1013             h->stat.frame.i_mb_count_8x8dct[0] ++;
1014             h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
1015         }
1016
1017         if( h->mb.b_variable_qp )
1018             x264_ratecontrol_mb(h, bs_pos(&h->out.bs) - mb_spos);
1019     }
1020
1021     if( h->param.b_cabac )
1022     {
1023         /* end of slice */
1024         x264_cabac_encode_terminal( &h->cabac, 1 );
1025     }
1026     else if( i_skip > 0 )
1027     {
1028         bs_write_ue( &h->out.bs, i_skip );  /* last skip run */
1029     }
1030
1031     if( h->param.b_cabac )
1032     {
1033         x264_cabac_encode_flush( &h->cabac );
1034
1035     }
1036     else
1037     {
1038         /* rbsp_slice_trailing_bits */
1039         bs_rbsp_trailing( &h->out.bs );
1040     }
1041
1042     x264_nal_end( h );
1043
1044     /* Compute misc bits */
1045     h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
1046                               + NALU_OVERHEAD * 8
1047                               - h->stat.frame.i_itex_bits
1048                               - h->stat.frame.i_ptex_bits
1049                               - h->stat.frame.i_hdr_bits;
1050
1051     return 0;
1052 }
1053
1054 static inline int x264_slices_write( x264_t *h )
1055 {
1056     int i_frame_size;
1057
1058 #if VISUALIZE
1059     if( h->param.b_visualize )
1060         x264_visualize_init( h );
1061 #endif
1062
1063     if( h->param.i_threads == 1 )
1064     {
1065         x264_slice_write( h );
1066         i_frame_size = h->out.nal[h->out.i_nal-1].i_payload;
1067     }
1068     else
1069     {
1070         int i_nal = h->out.i_nal;
1071         int i_bs_size = h->out.i_bitstream / h->param.i_threads;
1072         int i;
1073         /* duplicate contexts */
1074         for( i = 0; i < h->param.i_threads; i++ )
1075         {
1076             x264_t *t = h->thread[i];
1077             if( i > 0 )
1078             {
1079                 memcpy( t, h, sizeof(x264_t) );
1080                 t->out.p_bitstream += i*i_bs_size;
1081                 bs_init( &t->out.bs, t->out.p_bitstream, i_bs_size );
1082             }
1083             t->sh.i_first_mb = (i    * h->sps->i_mb_height / h->param.i_threads) * h->sps->i_mb_width;
1084             t->sh.i_last_mb = ((i+1) * h->sps->i_mb_height / h->param.i_threads) * h->sps->i_mb_width;
1085             t->out.i_nal = i_nal + i;
1086         }
1087
1088         /* dispatch */
1089 #if HAVE_PTHREAD
1090         {
1091             pthread_t handles[X264_SLICE_MAX];
1092             void *status;
1093             for( i = 0; i < h->param.i_threads; i++ )
1094                 pthread_create( &handles[i], NULL, (void*)x264_slice_write, (void*)h->thread[i] );
1095             for( i = 0; i < h->param.i_threads; i++ )
1096                 pthread_join( handles[i], &status );
1097         }
1098 #else
1099         for( i = 0; i < h->param.i_threads; i++ )
1100             x264_slice_write( h->thread[i] );
1101 #endif
1102
1103         /* merge contexts */
1104         i_frame_size = h->out.nal[i_nal].i_payload;
1105         for( i = 1; i < h->param.i_threads; i++ )
1106         {
1107             int j;
1108             x264_t *t = h->thread[i];
1109             h->out.nal[i_nal+i] = t->out.nal[i_nal+i];
1110             i_frame_size += t->out.nal[i_nal+i].i_payload;
1111             // all entries in stat.frame are ints
1112             for( j = 0; j < sizeof(h->stat.frame) / sizeof(int); j++ )
1113                 ((int*)&h->stat.frame)[j] += ((int*)&t->stat.frame)[j];
1114         }
1115         h->out.i_nal = i_nal + h->param.i_threads;
1116     }
1117
1118 #if VISUALIZE
1119     if( h->param.b_visualize )
1120     {
1121         x264_visualize_show( h );
1122         x264_visualize_close( h );
1123     }
1124 #endif
1125
1126     return i_frame_size;
1127 }
1128
1129 /****************************************************************************
1130  * x264_encoder_encode:
1131  *  XXX: i_poc   : is the poc of the current given picture
1132  *       i_frame : is the number of the frame being coded
1133  *  ex:  type frame poc
1134  *       I      0   2*0
1135  *       P      1   2*3
1136  *       B      2   2*1
1137  *       B      3   2*2
1138  *       P      4   2*6
1139  *       B      5   2*4
1140  *       B      6   2*5
1141  ****************************************************************************/
1142 int     x264_encoder_encode( x264_t *h,
1143                              x264_nal_t **pp_nal, int *pi_nal,
1144                              x264_picture_t *pic_in,
1145                              x264_picture_t *pic_out )
1146 {
1147     x264_frame_t   *frame_psnr = h->fdec; /* just to keep the current decoded frame for psnr calculation */
1148     int     i_nal_type;
1149     int     i_nal_ref_idc;
1150     int     i_slice_type;
1151     int     i_frame_size;
1152
1153     int i;
1154
1155     int   i_global_qp;
1156
1157     char psz_message[80];
1158
1159     /* no data out */
1160     *pi_nal = 0;
1161     *pp_nal = NULL;
1162
1163
1164     /* ------------------- Setup new frame from picture -------------------- */
1165     TIMER_START( i_mtime_encode_frame );
1166     if( pic_in != NULL )
1167     {
1168         /* 1: Copy the picture to a frame and move it to a buffer */
1169         x264_frame_t *fenc = x264_frame_get( h->frames.unused );
1170
1171         x264_frame_copy_picture( h, fenc, pic_in );
1172
1173         if( h->param.i_width % 16 || h->param.i_height % 16 )
1174             x264_frame_expand_border_mod16( h, fenc );
1175
1176         fenc->i_frame = h->frames.i_input++;
1177
1178         x264_frame_put( h->frames.next, fenc );
1179
1180         if( h->frames.b_have_lowres )
1181             x264_frame_init_lowres( h->param.cpu, fenc );
1182
1183         if( h->frames.i_input <= h->frames.i_delay )
1184         {
1185             /* Nothing yet to encode */
1186             /* waiting for filling bframe buffer */
1187             pic_out->i_type = X264_TYPE_AUTO;
1188             return 0;
1189         }
1190     }
1191
1192     if( h->frames.current[0] == NULL )
1193     {
1194         int bframes = 0;
1195         /* 2: Select frame types */
1196         if( h->frames.next[0] == NULL )
1197             return 0;
1198
1199         x264_slicetype_decide( h );
1200
1201         /* 3: move some B-frames and 1 non-B to encode queue */
1202         while( IS_X264_TYPE_B( h->frames.next[bframes]->i_type ) )
1203             bframes++;
1204         x264_frame_put( h->frames.current, x264_frame_get( &h->frames.next[bframes] ) );
1205         /* FIXME: when max B-frames > 3, BREF may no longer be centered after GOP closing */
1206         if( h->param.b_bframe_pyramid && bframes > 1 )
1207         {
1208             x264_frame_t *mid = x264_frame_get( &h->frames.next[bframes/2] );
1209             mid->i_type = X264_TYPE_BREF;
1210             x264_frame_put( h->frames.current, mid );
1211             bframes--;
1212         }
1213         while( bframes-- )
1214             x264_frame_put( h->frames.current, x264_frame_get( h->frames.next ) );
1215     }
1216     TIMER_STOP( i_mtime_encode_frame );
1217
1218     /* ------------------- Get frame to be encoded ------------------------- */
1219     /* 4: get picture to encode */
1220     h->fenc = x264_frame_get( h->frames.current );
1221     if( h->fenc == NULL )
1222     {
1223         /* Nothing yet to encode (ex: waiting for I/P with B frames) */
1224         /* waiting for filling bframe buffer */
1225         pic_out->i_type = X264_TYPE_AUTO;
1226         return 0;
1227     }
1228
1229 do_encode:
1230
1231     if( h->fenc->i_type == X264_TYPE_IDR )
1232     {
1233         h->frames.i_last_idr = h->fenc->i_frame;
1234     }
1235
1236     /* ------------------- Setup frame context ----------------------------- */
1237     /* 5: Init data dependant of frame type */
1238     TIMER_START( i_mtime_encode_frame );
1239     if( h->fenc->i_type == X264_TYPE_IDR )
1240     {
1241         /* reset ref pictures */
1242         x264_reference_reset( h );
1243
1244         i_nal_type    = NAL_SLICE_IDR;
1245         i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
1246         i_slice_type = SLICE_TYPE_I;
1247     }
1248     else if( h->fenc->i_type == X264_TYPE_I )
1249     {
1250         i_nal_type    = NAL_SLICE;
1251         i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
1252         i_slice_type = SLICE_TYPE_I;
1253     }
1254     else if( h->fenc->i_type == X264_TYPE_P )
1255     {
1256         i_nal_type    = NAL_SLICE;
1257         i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
1258         i_slice_type = SLICE_TYPE_P;
1259     }
1260     else if( h->fenc->i_type == X264_TYPE_BREF )
1261     {
1262         i_nal_type    = NAL_SLICE;
1263         i_nal_ref_idc = NAL_PRIORITY_HIGH; /* maybe add MMCO to forget it? -> low */
1264         i_slice_type = SLICE_TYPE_B;
1265     }
1266     else    /* B frame */
1267     {
1268         i_nal_type    = NAL_SLICE;
1269         i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
1270         i_slice_type = SLICE_TYPE_B;
1271     }
1272
1273     h->fdec->i_poc =
1274     h->fenc->i_poc = 2 * (h->fenc->i_frame - h->frames.i_last_idr);
1275     h->fdec->i_type = h->fenc->i_type;
1276     h->fdec->i_frame = h->fenc->i_frame;
1277     h->fenc->b_kept_as_ref =
1278     h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE;
1279
1280
1281
1282     /* ------------------- Init                ----------------------------- */
1283     /* build ref list 0/1 */
1284     x264_reference_build_list( h, h->fdec->i_poc, i_slice_type );
1285
1286     /* Init the rate control */
1287     x264_ratecontrol_start( h, i_slice_type, h->fenc->i_qpplus1 );
1288     i_global_qp = x264_ratecontrol_qp( h );
1289
1290     pic_out->i_qpplus1 =
1291     h->fdec->i_qpplus1 = i_global_qp + 1;
1292
1293     if( i_slice_type == SLICE_TYPE_B )
1294         x264_macroblock_bipred_init( h );
1295
1296     if( h->fenc->b_kept_as_ref )
1297         h->i_frame_num++;
1298
1299     /* ------------------------ Create slice header  ----------------------- */
1300     x264_slice_init( h, i_nal_type, i_slice_type, i_global_qp );
1301
1302     /* ---------------------- Write the bitstream -------------------------- */
1303     /* Init bitstream context */
1304     h->out.i_nal = 0;
1305     bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
1306
1307     if(h->param.b_aud){
1308         int pic_type;
1309
1310         if(i_slice_type == SLICE_TYPE_I)
1311             pic_type = 0;
1312         else if(i_slice_type == SLICE_TYPE_P)
1313             pic_type = 1;
1314         else if(i_slice_type == SLICE_TYPE_B)
1315             pic_type = 2;
1316         else
1317             pic_type = 7;
1318
1319         x264_nal_start(h, NAL_AUD, NAL_PRIORITY_DISPOSABLE);
1320         bs_write(&h->out.bs, 3, pic_type);
1321         bs_rbsp_trailing(&h->out.bs);
1322         x264_nal_end(h);
1323     }
1324
1325     h->i_nal_type = i_nal_type;
1326     h->i_nal_ref_idc = i_nal_ref_idc;
1327
1328     /* Write SPS and PPS */
1329     if( i_nal_type == NAL_SLICE_IDR )
1330     {
1331         if( h->fenc->i_frame == 0 )
1332         {
1333             /* identify ourself */
1334             x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
1335             x264_sei_version_write( &h->out.bs );
1336             x264_nal_end( h );
1337         }
1338
1339         /* generate sequence parameters */
1340         x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
1341         x264_sps_write( &h->out.bs, h->sps );
1342         x264_nal_end( h );
1343
1344         /* generate picture parameters */
1345         x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
1346         x264_pps_write( &h->out.bs, h->pps );
1347         x264_nal_end( h );
1348     }
1349
1350     /* Write frame */
1351     i_frame_size = x264_slices_write( h );
1352
1353     /* restore CPU state (before using float again) */
1354     x264_cpu_restore( h->param.cpu );
1355
1356     if( i_slice_type == SLICE_TYPE_P && !h->param.rc.b_stat_read 
1357         && h->param.i_scenecut_threshold >= 0 )
1358     {
1359         const int *mbs = h->stat.frame.i_mb_count;
1360         int i_mb_i = mbs[I_16x16] + mbs[I_8x8] + mbs[I_4x4];
1361         int i_mb_p = mbs[P_L0] + mbs[P_8x8];
1362         int i_mb_s = mbs[P_SKIP];
1363         int i_mb   = h->sps->i_mb_width * h->sps->i_mb_height;
1364         int64_t i_inter_cost = h->stat.frame.i_inter_cost;
1365         int64_t i_intra_cost = h->stat.frame.i_intra_cost;
1366
1367         float f_bias;
1368         int i_gop_size = h->fenc->i_frame - h->frames.i_last_idr;
1369         float f_thresh_max = h->param.i_scenecut_threshold / 100.0;
1370         /* magic numbers pulled out of thin air */
1371         float f_thresh_min = f_thresh_max * h->param.i_keyint_min
1372                              / ( h->param.i_keyint_max * 4 );
1373         if( h->param.i_keyint_min == h->param.i_keyint_max )
1374              f_thresh_min= f_thresh_max;
1375
1376         /* macroblock_analyse() doesn't further analyse skipped mbs,
1377          * so we have to guess their cost */
1378         if( i_mb_s < i_mb )
1379             i_intra_cost = i_intra_cost * i_mb / (i_mb - i_mb_s);
1380
1381         if( i_gop_size < h->param.i_keyint_min / 4 )
1382             f_bias = f_thresh_min / 4;
1383         else if( i_gop_size <= h->param.i_keyint_min )
1384             f_bias = f_thresh_min * i_gop_size / h->param.i_keyint_min;
1385         else
1386         {
1387             f_bias = f_thresh_min
1388                      + ( f_thresh_max - f_thresh_min )
1389                        * ( i_gop_size - h->param.i_keyint_min )
1390                        / ( h->param.i_keyint_max - h->param.i_keyint_min );
1391         }
1392         f_bias = X264_MIN( f_bias, 1.0 );
1393
1394         /* Bad P will be reencoded as I */
1395         if( i_mb_s < i_mb &&
1396             i_inter_cost >= (1.0 - f_bias) * i_intra_cost )
1397         {
1398             int b;
1399
1400             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",
1401                       h->fenc->i_frame,
1402                       (double)i_intra_cost, (double)i_inter_cost,
1403                       (double)i_inter_cost / i_intra_cost,
1404                       f_bias, i_gop_size,
1405                       i_mb_i, i_mb_p, i_mb_s );
1406
1407             /* Restore frame num */
1408             h->i_frame_num--;
1409
1410             for( b = 0; h->frames.current[b] && IS_X264_TYPE_B( h->frames.current[b]->i_type ); b++ );
1411             if( b > 0 )
1412             {
1413                 /* If using B-frames, force GOP to be closed.
1414                  * Even if this frame is going to be I and not IDR, forcing a
1415                  * P-frame before the scenecut will probably help compression.
1416                  * 
1417                  * We don't yet know exactly which frame is the scene cut, so
1418                  * we can't assign an I-frame. Instead, change the previous
1419                  * B-frame to P, and rearrange coding order. */
1420
1421                 if( h->param.b_bframe_adaptive || b > 1 )
1422                     h->fenc->i_type = X264_TYPE_AUTO;
1423                 x264_frame_sort_pts( h->frames.current );
1424                 x264_frame_push( h->frames.next, h->fenc );
1425                 h->fenc = h->frames.current[b-1];
1426                 h->frames.current[b-1] = NULL;
1427                 h->fenc->i_type = X264_TYPE_P;
1428                 x264_frame_sort_dts( h->frames.current );
1429             }
1430             /* Do IDR if needed */
1431             else if( i_gop_size >= h->param.i_keyint_min )
1432             {
1433                 x264_frame_t *tmp;
1434
1435                 /* Reset */
1436                 h->i_frame_num = 0;
1437
1438                 /* Reinit field of fenc */
1439                 h->fenc->i_type = X264_TYPE_IDR;
1440                 h->fenc->i_poc = 0;
1441
1442                 /* Put enqueued frames back in the pool */
1443                 while( (tmp = x264_frame_get( h->frames.current ) ) != NULL )
1444                     x264_frame_put( h->frames.next, tmp );
1445                 x264_frame_sort_pts( h->frames.next );
1446             }
1447             else
1448             {
1449                 h->fenc->i_type = X264_TYPE_I;
1450             }
1451             goto do_encode;
1452         }
1453     }
1454
1455     /* End bitstream, set output  */
1456     *pi_nal = h->out.i_nal;
1457     *pp_nal = h->out.nal;
1458
1459     /* Set output picture properties */
1460     if( i_slice_type == SLICE_TYPE_I )
1461         pic_out->i_type = i_nal_type == NAL_SLICE_IDR ? X264_TYPE_IDR : X264_TYPE_I;
1462     else if( i_slice_type == SLICE_TYPE_P )
1463         pic_out->i_type = X264_TYPE_P;
1464     else
1465         pic_out->i_type = X264_TYPE_B;
1466     pic_out->i_pts = h->fenc->i_pts;
1467
1468     pic_out->img.i_plane = h->fdec->i_plane;
1469     for(i = 0; i < 4; i++){
1470         pic_out->img.i_stride[i] = h->fdec->i_stride[i];
1471         pic_out->img.plane[i] = h->fdec->plane[i];
1472     }
1473
1474     /* ---------------------- Update encoder state ------------------------- */
1475     /* update cabac */
1476     if( h->param.b_cabac && h->param.i_cabac_init_idc == -1 )
1477     {
1478         x264_cabac_model_update( &h->cabac, i_slice_type, h->sh.i_qp );
1479     }
1480
1481     /* handle references */
1482     if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
1483     {
1484         x264_reference_update( h );
1485     }
1486
1487     /* increase frame count */
1488     h->i_frame++;
1489
1490     /* restore CPU state (before using float again) */
1491     /* XXX: not needed? (done above) */
1492     x264_cpu_restore( h->param.cpu );
1493
1494     /* update rc */
1495     x264_ratecontrol_end( h, i_frame_size * 8 );
1496
1497     x264_frame_put( h->frames.unused, h->fenc );
1498
1499     TIMER_STOP( i_mtime_encode_frame );
1500
1501     /* ---------------------- Compute/Print statistics --------------------- */
1502     /* Slice stat */
1503     h->stat.i_slice_count[i_slice_type]++;
1504     h->stat.i_slice_size[i_slice_type] += i_frame_size + NALU_OVERHEAD;
1505     h->stat.i_slice_qp[i_slice_type] += i_global_qp;
1506
1507     for( i = 0; i < 19; i++ )
1508         h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
1509     for( i = 0; i < 2; i++ )
1510         h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
1511     if( h->sh.i_type != SLICE_TYPE_I )
1512     {
1513         for( i = 0; i < 7; i++ )
1514             h->stat.i_mb_count_size[h->sh.i_type][i] += h->stat.frame.i_mb_count_size[i];
1515         for( i = 0; i < 16; i++ )
1516             h->stat.i_mb_count_ref[h->sh.i_type][i] += h->stat.frame.i_mb_count_ref[i];
1517     }
1518
1519     if( h->param.analyse.b_psnr )
1520     {
1521         int64_t i_sqe_y, i_sqe_u, i_sqe_v;
1522
1523         /* PSNR */
1524         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 );
1525         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);
1526         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);
1527         x264_cpu_restore( h->param.cpu );
1528
1529         h->stat.i_sqe_global[i_slice_type] += i_sqe_y + i_sqe_u + i_sqe_v;
1530         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 );
1531         h->stat.f_psnr_mean_y[i_slice_type] += x264_psnr( i_sqe_y, h->param.i_width * h->param.i_height );
1532         h->stat.f_psnr_mean_u[i_slice_type] += x264_psnr( i_sqe_u, h->param.i_width * h->param.i_height / 4 );
1533         h->stat.f_psnr_mean_v[i_slice_type] += x264_psnr( i_sqe_v, h->param.i_width * h->param.i_height / 4 );
1534
1535         snprintf( psz_message, 80, " PSNR Y:%2.2f U:%2.2f V:%2.2f",
1536                   x264_psnr( i_sqe_y, h->param.i_width * h->param.i_height ),
1537                   x264_psnr( i_sqe_u, h->param.i_width * h->param.i_height / 4),
1538                   x264_psnr( i_sqe_v, h->param.i_width * h->param.i_height / 4) );
1539         psz_message[79] = '\0';
1540     }
1541     else
1542     {
1543         psz_message[0] = '\0';
1544     }
1545     
1546     x264_log( h, X264_LOG_DEBUG,
1547                   "frame=%4d QP=%i NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
1548               h->i_frame - 1,
1549               i_global_qp,
1550               i_nal_ref_idc,
1551               i_slice_type == SLICE_TYPE_I ? 'I' : (i_slice_type == SLICE_TYPE_P ? 'P' : 'B' ),
1552               frame_psnr->i_poc,
1553               h->stat.frame.i_mb_count_i,
1554               h->stat.frame.i_mb_count_p,
1555               h->stat.frame.i_mb_count_skip,
1556               i_frame_size,
1557               psz_message );
1558
1559
1560 #ifdef DEBUG_MB_TYPE
1561 {
1562     static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
1563         'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
1564     int mb_xy;
1565     for( mb_xy = 0; mb_xy < h->sps->i_mb_width * h->sps->i_mb_height; mb_xy++ )
1566     {
1567         if( h->mb.type[mb_xy] < 19 && h->mb.type[mb_xy] >= 0 )
1568             fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
1569         else
1570             fprintf( stderr, "? " );
1571
1572         if( (mb_xy+1) % h->sps->i_mb_width == 0 )
1573             fprintf( stderr, "\n" );
1574     }
1575 }
1576 #endif
1577
1578 #ifdef DEBUG_DUMP_FRAME
1579     /* Dump reconstructed frame */
1580     x264_frame_dump( h, frame_psnr, "fdec.yuv" );
1581 #endif
1582     return 0;
1583 }
1584
1585 /****************************************************************************
1586  * x264_encoder_close:
1587  ****************************************************************************/
1588 void    x264_encoder_close  ( x264_t *h )
1589 {
1590 #ifdef DEBUG_BENCHMARK
1591     int64_t i_mtime_total = i_mtime_analyse + i_mtime_encode + i_mtime_write + i_mtime_filter + 1;
1592 #endif
1593     int64_t i_yuv_size = 3 * h->param.i_width * h->param.i_height / 2;
1594     int i;
1595
1596 #ifdef DEBUG_BENCHMARK
1597     x264_log( h, X264_LOG_INFO,
1598               "analyse=%d(%lldms) encode=%d(%lldms) write=%d(%lldms) filter=%d(%lldms)\n",
1599               (int)(100*i_mtime_analyse/i_mtime_total), i_mtime_analyse/1000,
1600               (int)(100*i_mtime_encode/i_mtime_total), i_mtime_encode/1000,
1601               (int)(100*i_mtime_write/i_mtime_total), i_mtime_write/1000,
1602               (int)(100*i_mtime_filter/i_mtime_total), i_mtime_filter/1000 );
1603 #endif
1604
1605     /* Slices used and PSNR */
1606     for( i=0; i<5; i++ )
1607     {
1608         static const int slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_SI, SLICE_TYPE_P, SLICE_TYPE_SP, SLICE_TYPE_B };
1609         static const char *slice_name[] = { "P", "B", "I", "SP", "SI" };
1610         int i_slice = slice_order[i];
1611
1612         if( h->stat.i_slice_count[i_slice] > 0 )
1613         {
1614             const int i_count = h->stat.i_slice_count[i_slice];
1615             if( h->param.analyse.b_psnr )
1616             {
1617                 x264_log( h, X264_LOG_INFO,
1618                           "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",
1619                           slice_name[i_slice],
1620                           i_count,
1621                           (double)h->stat.i_slice_qp[i_slice] / i_count,
1622                           (double)h->stat.i_slice_size[i_slice] / i_count,
1623                           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,
1624                           h->stat.f_psnr_average[i_slice] / i_count,
1625                           x264_psnr( h->stat.i_sqe_global[i_slice], i_count * i_yuv_size ) );
1626             }
1627             else
1628             {
1629                 x264_log( h, X264_LOG_INFO,
1630                           "slice %s:%-5d Avg QP:%5.2f  size:%6.0f\n",
1631                           slice_name[i_slice],
1632                           i_count,
1633                           (double)h->stat.i_slice_qp[i_slice] / i_count,
1634                           (double)h->stat.i_slice_size[i_slice] / i_count );
1635             }
1636         }
1637     }
1638
1639     /* MB types used */
1640     if( h->stat.i_slice_count[SLICE_TYPE_I] > 0 )
1641     {
1642         const int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
1643         const double i_count = h->stat.i_slice_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
1644         x264_log( h, X264_LOG_INFO,
1645                   "mb I  I16..4: %4.1f%% %4.1f%% %4.1f%%\n",
1646                   i_mb_count[I_16x16]/ i_count,
1647                   i_mb_count[I_8x8]  / i_count,
1648                   i_mb_count[I_4x4]  / i_count );
1649     }
1650     if( h->stat.i_slice_count[SLICE_TYPE_P] > 0 )
1651     {
1652         const int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
1653         const int64_t *i_mb_size = h->stat.i_mb_count_size[SLICE_TYPE_P];
1654         const double i_count = h->stat.i_slice_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
1655         x264_log( h, X264_LOG_INFO,
1656                   "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",
1657                   i_mb_count[I_16x16]/ i_count,
1658                   i_mb_count[I_8x8]  / i_count,
1659                   i_mb_count[I_4x4]  / i_count,
1660                   i_mb_size[PIXEL_16x16] / (i_count*4),
1661                   (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
1662                   i_mb_size[PIXEL_8x8] / (i_count*4),
1663                   (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
1664                   i_mb_size[PIXEL_4x4] / (i_count*4),
1665                   i_mb_count[P_SKIP] / i_count );
1666     }
1667     if( h->stat.i_slice_count[SLICE_TYPE_B] > 0 )
1668     {
1669         const int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
1670         const int64_t *i_mb_size = h->stat.i_mb_count_size[SLICE_TYPE_B];
1671         const double i_count = h->stat.i_slice_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
1672         x264_log( h, X264_LOG_INFO,
1673                   "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",
1674                   i_mb_count[I_16x16]  / i_count,
1675                   i_mb_count[I_8x8]    / i_count,
1676                   i_mb_count[I_4x4]    / i_count,
1677                   i_mb_size[PIXEL_16x16] / (i_count*4),
1678                   (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
1679                   i_mb_size[PIXEL_8x8] / (i_count*4),
1680                   i_mb_count[B_DIRECT] / i_count,
1681                   i_mb_count[B_SKIP]   / i_count );
1682     }
1683
1684     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 )
1685     {
1686         const int i_count = h->stat.i_slice_count[SLICE_TYPE_I] +
1687                             h->stat.i_slice_count[SLICE_TYPE_P] +
1688                             h->stat.i_slice_count[SLICE_TYPE_B];
1689         float fps = (float) h->param.i_fps_num / h->param.i_fps_den;
1690 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
1691 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
1692         float f_bitrate = fps * SUM3(h->stat.i_slice_size) / i_count / 125;
1693
1694         if( h->param.analyse.b_transform_8x8 )
1695         {
1696             int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
1697             int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
1698                                      + SUM3b( h->stat.i_mb_count, I_16x16 );
1699             x264_log( h, X264_LOG_INFO, "8x8 transform  intra:%.1f%%  inter:%.1f%%\n",
1700                       100. * i_i8x8 / i_intra,
1701                       100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
1702         }
1703
1704         if( h->param.i_frame_reference > 1 )
1705         {
1706             int i_slice;
1707             for( i_slice = 0; i_slice < 2; i_slice++ )
1708             {
1709                 char buf[200];
1710                 char *p = buf;
1711                 int64_t i_den = 0;
1712                 int i_max = 0;
1713                 for( i = 0; i < h->param.i_frame_reference; i++ )
1714                     if( h->stat.i_mb_count_ref[i_slice][i] )
1715                     {
1716                         i_den += h->stat.i_mb_count_ref[i_slice][i];
1717                         i_max = i;
1718                     }
1719                 if( i_max == 0 )
1720                     continue;
1721                 for( i = 0; i <= i_max; i++ )
1722                     p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i] / i_den );
1723                 x264_log( h, X264_LOG_INFO, "ref %c %s\n", i_slice==SLICE_TYPE_P ? 'P' : 'B', buf );
1724             }
1725         }
1726
1727         if( h->param.analyse.b_psnr )
1728             x264_log( h, X264_LOG_INFO,
1729                       "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
1730                       SUM3( h->stat.f_psnr_mean_y ) / i_count,
1731                       SUM3( h->stat.f_psnr_mean_u ) / i_count,
1732                       SUM3( h->stat.f_psnr_mean_v ) / i_count,
1733                       SUM3( h->stat.f_psnr_average ) / i_count,
1734                       x264_psnr( SUM3( h->stat.i_sqe_global ), i_count * i_yuv_size ),
1735                       f_bitrate );
1736         else
1737             x264_log( h, X264_LOG_INFO, "kb/s:%.1f\n", f_bitrate );
1738     }
1739
1740     /* frames */
1741     for( i = 0; i < X264_BFRAME_MAX + 3; i++ )
1742     {
1743         if( h->frames.current[i] ) x264_frame_delete( h->frames.current[i] );
1744         if( h->frames.next[i] )    x264_frame_delete( h->frames.next[i] );
1745         if( h->frames.unused[i] )  x264_frame_delete( h->frames.unused[i] );
1746     }
1747     /* ref frames */
1748     for( i = 0; i < h->frames.i_max_dpb; i++ )
1749     {
1750         x264_frame_delete( h->frames.reference[i] );
1751     }
1752
1753     /* rc */
1754     x264_ratecontrol_delete( h );
1755
1756     /* param */
1757     if( h->param.rc.psz_stat_out )
1758         free( h->param.rc.psz_stat_out );
1759     if( h->param.rc.psz_stat_in )
1760         free( h->param.rc.psz_stat_in );
1761     if( h->param.rc.psz_rc_eq )
1762         free( h->param.rc.psz_rc_eq );
1763
1764     x264_macroblock_cache_end( h );
1765     x264_free( h->out.p_bitstream );
1766     for( i = 1; i < h->param.i_threads; i++ )
1767         x264_free( h->thread[i] );
1768     x264_free( h );
1769 }
1770