1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003-2008 x264 project
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7 * Loren Merritt <lorenm@u.washington.edu>
8 * Fiona Glaser <fiona@x264.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
23 *****************************************************************************/
27 #include "common/common.h"
28 #include "common/cpu.h"
32 #include "ratecontrol.h"
33 #include "macroblock.h"
36 #include "common/visualize.h"
39 //#define DEBUG_MB_TYPE
41 #define NALU_OVERHEAD 5 // startcode + NAL type costs 5 bytes per frame
43 #define bs_write_ue bs_write_ue_big
45 static void x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
46 x264_nal_t **pp_nal, int *pi_nal,
47 x264_picture_t *pic_out );
49 /****************************************************************************
51 ******************************* x264 libs **********************************
53 ****************************************************************************/
54 static float x264_psnr( int64_t i_sqe, int64_t i_size )
56 double f_mse = (double)i_sqe / ((double)65025.0 * (double)i_size);
57 if( f_mse <= 0.0000000001 ) /* Max 100dB */
60 return (float)(-10.0 * log( f_mse ) / log( 10.0 ));
63 static void x264_frame_dump( x264_t *h )
65 FILE *f = fopen( h->param.psz_dump_yuv, "r+b" );
69 /* Write the frame in display order */
70 fseek( f, h->fdec->i_frame * h->param.i_height * h->param.i_width * 3/2, SEEK_SET );
71 for( i = 0; i < h->fdec->i_plane; i++ )
72 for( y = 0; y < h->param.i_height >> !!i; y++ )
73 fwrite( &h->fdec->plane[i][y*h->fdec->i_stride[i]], 1, h->param.i_width >> !!i, f );
78 /* Fill "default" values */
79 static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
80 x264_sps_t *sps, x264_pps_t *pps,
81 int i_idr_pic_id, int i_frame, int i_qp )
83 x264_param_t *param = &h->param;
86 /* First we fill all field */
91 sh->i_last_mb = h->sps->i_mb_width * h->sps->i_mb_height;
92 sh->i_pps_id = pps->i_id;
94 sh->i_frame_num = i_frame;
96 sh->b_mbaff = h->param.b_interlaced;
97 sh->b_field_pic = 0; /* no field support for now */
98 sh->b_bottom_field = 0; /* not yet used */
100 sh->i_idr_pic_id = i_idr_pic_id;
102 /* poc stuff, fixed later */
104 sh->i_delta_poc_bottom = 0;
105 sh->i_delta_poc[0] = 0;
106 sh->i_delta_poc[1] = 0;
108 sh->i_redundant_pic_cnt = 0;
110 if( !h->mb.b_direct_auto_read )
112 if( h->mb.b_direct_auto_write )
113 sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] );
115 sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL );
117 /* else b_direct_spatial_mv_pred was read from the 2pass statsfile */
119 sh->b_num_ref_idx_override = 0;
120 sh->i_num_ref_idx_l0_active = 1;
121 sh->i_num_ref_idx_l1_active = 1;
123 sh->b_ref_pic_list_reordering_l0 = h->b_ref_reorder[0];
124 sh->b_ref_pic_list_reordering_l1 = h->b_ref_reorder[1];
126 /* If the ref list isn't in the default order, construct reordering header */
127 /* List1 reordering isn't needed yet */
128 if( sh->b_ref_pic_list_reordering_l0 )
130 int pred_frame_num = i_frame;
131 for( i = 0; i < h->i_ref0; i++ )
133 int diff = h->fref0[i]->i_frame_num - pred_frame_num;
135 x264_log( h, X264_LOG_ERROR, "diff frame num == 0\n" );
136 sh->ref_pic_list_order[0][i].idc = ( diff > 0 );
137 sh->ref_pic_list_order[0][i].arg = abs( diff ) - 1;
138 pred_frame_num = h->fref0[i]->i_frame_num;
142 sh->i_cabac_init_idc = param->i_cabac_init_idc;
145 sh->i_qp_delta = i_qp - pps->i_pic_init_qp;
146 sh->b_sp_for_swidth = 0;
149 /* If effective qp <= 15, deblocking would have no effect anyway */
150 if( param->b_deblocking_filter
151 && ( h->mb.b_variable_qp
152 || 15 < i_qp + 2 * X264_MIN(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta) ) )
154 sh->i_disable_deblocking_filter_idc = 0;
158 sh->i_disable_deblocking_filter_idc = 1;
160 sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1;
161 sh->i_beta_offset = param->i_deblocking_filter_beta << 1;
164 static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc )
170 assert( sh->i_first_mb % (2*sh->sps->i_mb_width) == 0 );
171 bs_write_ue( s, sh->i_first_mb >> 1 );
174 bs_write_ue( s, sh->i_first_mb );
176 bs_write_ue( s, sh->i_type + 5 ); /* same type things */
177 bs_write_ue( s, sh->i_pps_id );
178 bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num );
180 if( !sh->sps->b_frame_mbs_only )
182 bs_write1( s, sh->b_field_pic );
183 if ( sh->b_field_pic )
184 bs_write1( s, sh->b_bottom_field );
187 if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */
189 bs_write_ue( s, sh->i_idr_pic_id );
192 if( sh->sps->i_poc_type == 0 )
194 bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc_lsb );
195 if( sh->pps->b_pic_order && !sh->b_field_pic )
197 bs_write_se( s, sh->i_delta_poc_bottom );
200 else if( sh->sps->i_poc_type == 1 && !sh->sps->b_delta_pic_order_always_zero )
202 bs_write_se( s, sh->i_delta_poc[0] );
203 if( sh->pps->b_pic_order && !sh->b_field_pic )
205 bs_write_se( s, sh->i_delta_poc[1] );
209 if( sh->pps->b_redundant_pic_cnt )
211 bs_write_ue( s, sh->i_redundant_pic_cnt );
214 if( sh->i_type == SLICE_TYPE_B )
216 bs_write1( s, sh->b_direct_spatial_mv_pred );
218 if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP || sh->i_type == SLICE_TYPE_B )
220 bs_write1( s, sh->b_num_ref_idx_override );
221 if( sh->b_num_ref_idx_override )
223 bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 );
224 if( sh->i_type == SLICE_TYPE_B )
226 bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 );
231 /* ref pic list reordering */
232 if( sh->i_type != SLICE_TYPE_I )
234 bs_write1( s, sh->b_ref_pic_list_reordering_l0 );
235 if( sh->b_ref_pic_list_reordering_l0 )
237 for( i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
239 bs_write_ue( s, sh->ref_pic_list_order[0][i].idc );
240 bs_write_ue( s, sh->ref_pic_list_order[0][i].arg );
246 if( sh->i_type == SLICE_TYPE_B )
248 bs_write1( s, sh->b_ref_pic_list_reordering_l1 );
249 if( sh->b_ref_pic_list_reordering_l1 )
251 for( i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
253 bs_write_ue( s, sh->ref_pic_list_order[1][i].idc );
254 bs_write_ue( s, sh->ref_pic_list_order[1][i].arg );
260 if( ( sh->pps->b_weighted_pred && ( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP ) ) ||
261 ( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B ) )
266 if( i_nal_ref_idc != 0 )
268 if( sh->i_idr_pic_id >= 0 )
270 bs_write1( s, 0 ); /* no output of prior pics flag */
271 bs_write1( s, 0 ); /* long term reference flag */
275 bs_write1( s, 0 ); /* adaptive_ref_pic_marking_mode_flag */
279 if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I )
281 bs_write_ue( s, sh->i_cabac_init_idc );
283 bs_write_se( s, sh->i_qp_delta ); /* slice qp delta */
285 if( sh->pps->b_deblocking_filter_control )
287 bs_write_ue( s, sh->i_disable_deblocking_filter_idc );
288 if( sh->i_disable_deblocking_filter_idc != 1 )
290 bs_write_se( s, sh->i_alpha_c0_offset >> 1 );
291 bs_write_se( s, sh->i_beta_offset >> 1 );
296 /* If we are within a reasonable distance of the end of the memory allocated for the bitstream, */
297 /* reallocate, adding an arbitrary amount of space (100 kilobytes). */
298 static void x264_bitstream_check_buffer( x264_t *h )
300 if( ( h->param.b_cabac && (h->cabac.p_end - h->cabac.p < 2500) )
301 || ( h->out.bs.p_end - h->out.bs.p < 2500 ) )
303 uint8_t *bs_bak = h->out.p_bitstream;
307 h->out.i_bitstream += 100000;
308 h->out.p_bitstream = x264_realloc( h->out.p_bitstream, h->out.i_bitstream );
309 delta = h->out.p_bitstream - bs_bak;
311 h->out.bs.p_start += delta;
312 h->out.bs.p += delta;
313 h->out.bs.p_end = h->out.p_bitstream + h->out.i_bitstream;
315 h->cabac.p_start += delta;
317 h->cabac.p_end = h->out.p_bitstream + h->out.i_bitstream;
319 for( i = 0; i <= h->out.i_nal; i++ )
320 h->out.nal[i].p_payload += delta;
324 /****************************************************************************
326 ****************************************************************************
327 ****************************** External API*********************************
328 ****************************************************************************
330 ****************************************************************************/
332 static int x264_validate_parameters( x264_t *h )
335 if( !(x264_cpu_detect() & X264_CPU_MMXEXT) )
337 x264_log( h, X264_LOG_ERROR, "your cpu does not support MMXEXT, but x264 was compiled with asm support\n");
338 x264_log( h, X264_LOG_ERROR, "to run x264, recompile without asm support (configure --disable-asm)\n");
342 if( h->param.i_width <= 0 || h->param.i_height <= 0 )
344 x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
345 h->param.i_width, h->param.i_height );
349 if( h->param.i_width % 2 || h->param.i_height % 2 )
351 x264_log( h, X264_LOG_ERROR, "width or height not divisible by 2 (%dx%d)\n",
352 h->param.i_width, h->param.i_height );
355 if( h->param.i_csp != X264_CSP_I420 )
357 x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420 supported)\n" );
361 if( h->param.i_threads == 0 )
362 h->param.i_threads = x264_cpu_num_processors() * 3/2;
363 h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
364 if( h->param.i_threads > 1 )
367 x264_log( h, X264_LOG_WARNING, "not compiled with pthread support!\n");
368 h->param.i_threads = 1;
370 if( h->param.i_scenecut_threshold >= 0 )
371 h->param.b_pre_scenecut = 1;
375 if( h->param.b_interlaced )
377 if( h->param.analyse.i_me_method >= X264_ME_ESA )
379 x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
380 h->param.analyse.i_me_method = X264_ME_UMH;
382 if( h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
384 x264_log( h, X264_LOG_WARNING, "interlace + direct=temporal is not implemented\n" );
385 h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
389 if( h->param.rc.i_rc_method < 0 || h->param.rc.i_rc_method > 2 )
391 x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" );
394 h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, 0, 51 );
395 h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, 51 );
396 if( h->param.rc.i_rc_method == X264_RC_CRF )
397 h->param.rc.i_qp_constant = h->param.rc.f_rf_constant;
398 if( (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF)
399 && h->param.rc.i_qp_constant == 0 )
401 h->mb.b_lossless = 1;
402 h->param.i_cqm_preset = X264_CQM_FLAT;
403 h->param.psz_cqm_file = NULL;
404 h->param.rc.i_rc_method = X264_RC_CQP;
405 h->param.rc.f_ip_factor = 1;
406 h->param.rc.f_pb_factor = 1;
407 h->param.analyse.b_psnr = 0;
408 h->param.analyse.b_ssim = 0;
409 h->param.analyse.i_chroma_qp_offset = 0;
410 h->param.analyse.i_trellis = 0;
411 h->param.analyse.b_fast_pskip = 0;
412 h->param.analyse.i_noise_reduction = 0;
413 h->param.analyse.f_psy_rd = 0;
414 /* 8x8dct is not useful at all in CAVLC lossless */
415 if( !h->param.b_cabac )
416 h->param.analyse.b_transform_8x8 = 0;
418 if( h->param.rc.i_rc_method == X264_RC_CQP )
420 float qp_p = h->param.rc.i_qp_constant;
421 float qp_i = qp_p - 6*log(h->param.rc.f_ip_factor)/log(2);
422 float qp_b = qp_p + 6*log(h->param.rc.f_pb_factor)/log(2);
423 h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, 51 );
424 h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, 51 );
425 h->param.rc.i_aq_mode = 0;
427 h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, 51 );
428 h->param.rc.i_qp_min = x264_clip3( h->param.rc.i_qp_min, 0, h->param.rc.i_qp_max );
430 if( ( h->param.i_width % 16 || h->param.i_height % 16 )
431 && h->param.i_height != 1080 && !h->mb.b_lossless )
433 // There's nothing special about 1080 in that the warning still applies to it,
434 // but chances are the user can't help it if his content is already 1080p,
435 // so there's no point in warning in that case.
436 x264_log( h, X264_LOG_WARNING,
437 "width or height not divisible by 16 (%dx%d), compression will suffer.\n",
438 h->param.i_width, h->param.i_height );
441 h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, 16 );
442 if( h->param.i_keyint_max <= 0 )
443 h->param.i_keyint_max = 1;
444 h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
445 if( !h->param.analyse.i_subpel_refine && h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
447 x264_log( h, X264_LOG_WARNING, "subme=0 + direct=temporal is not supported\n" );
448 h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
450 h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_BFRAME_MAX );
451 h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
452 h->param.b_bframe_pyramid = h->param.b_bframe_pyramid && h->param.i_bframe > 1;
453 if( !h->param.i_bframe )
454 h->param.i_bframe_adaptive = X264_B_ADAPT_NONE;
455 h->param.analyse.b_weighted_bipred = h->param.analyse.b_weighted_bipred && h->param.i_bframe > 0;
456 h->mb.b_direct_auto_write = h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
458 && ( h->param.rc.b_stat_write || !h->param.rc.b_stat_read );
459 if( h->param.i_scenecut_threshold < 0 )
460 h->param.b_pre_scenecut = 0;
462 h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 );
463 h->param.i_deblocking_filter_beta = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 );
464 h->param.analyse.i_luma_deadzone[0] = x264_clip3( h->param.analyse.i_luma_deadzone[0], 0, 32 );
465 h->param.analyse.i_luma_deadzone[1] = x264_clip3( h->param.analyse.i_luma_deadzone[1], 0, 32 );
467 h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 );
469 if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
470 h->param.i_cqm_preset = X264_CQM_FLAT;
472 if( h->param.analyse.i_me_method < X264_ME_DIA ||
473 h->param.analyse.i_me_method > X264_ME_TESA )
474 h->param.analyse.i_me_method = X264_ME_HEX;
475 if( h->param.analyse.i_me_range < 4 )
476 h->param.analyse.i_me_range = 4;
477 if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
478 h->param.analyse.i_me_range = 16;
479 if( h->param.analyse.i_me_method == X264_ME_TESA &&
480 (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) )
481 h->param.analyse.i_me_method = X264_ME_ESA;
482 h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 9 );
483 h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1;
484 h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16|
485 X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
486 h->param.analyse.intra &= X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
487 if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
488 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
489 if( !h->param.analyse.b_transform_8x8 )
491 h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
492 h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
494 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
495 if( !h->param.b_cabac )
496 h->param.analyse.i_trellis = 0;
497 h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
498 if( !h->param.analyse.i_trellis )
499 h->param.analyse.f_psy_trellis = 0;
500 h->param.analyse.f_psy_rd = x264_clip3f( h->param.analyse.f_psy_rd, 0, 10 );
501 h->param.analyse.f_psy_trellis = x264_clip3f( h->param.analyse.f_psy_trellis, 0, 10 );
502 if( h->param.analyse.i_subpel_refine < 6 )
503 h->param.analyse.f_psy_rd = 0;
504 h->mb.i_psy_rd = FIX8( h->param.analyse.f_psy_rd );
505 /* Psy RDO increases overall quantizers to improve the quality of luma--this indirectly hurts chroma quality */
506 /* so we lower the chroma QP offset to compensate */
507 /* This can be triggered repeatedly on multiple calls to parameter_validate, but since encoding
508 * uses the pps chroma qp offset not the param chroma qp offset, this is not a problem. */
510 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_rd < 0.25 ? 1 : 2;
511 h->mb.i_psy_trellis = FIX8( h->param.analyse.f_psy_trellis / 4 );
512 /* Psy trellis has a similar effect. */
513 if( h->mb.i_psy_trellis )
514 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_trellis < 0.25 ? 1 : 2;
516 h->mb.i_psy_trellis = 0;
517 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
518 h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 1 );
519 h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 );
520 if( h->param.rc.f_aq_strength == 0 )
521 h->param.rc.i_aq_mode = 0;
522 h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 );
525 const x264_level_t *l = x264_levels;
526 if( h->param.i_level_idc < 0 )
528 if( h->param.rc.i_rc_method == X264_RC_ABR && h->param.rc.i_vbv_buffer_size <= 0 )
529 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate * 2;
530 h->sps = h->sps_array;
531 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
532 do h->param.i_level_idc = l->level_idc;
533 while( l[1].level_idc && x264_validate_levels( h, 0 ) && l++ );
534 if( h->param.rc.i_vbv_buffer_size <= 0 )
535 h->param.rc.i_vbv_max_bitrate = 0;
539 while( l->level_idc && l->level_idc != h->param.i_level_idc )
541 if( l->level_idc == 0 )
543 x264_log( h, X264_LOG_ERROR, "invalid level_idc: %d\n", h->param.i_level_idc );
547 if( h->param.analyse.i_mv_range <= 0 )
548 h->param.analyse.i_mv_range = l->mv_range >> h->param.b_interlaced;
550 h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> h->param.b_interlaced);
551 if( h->param.analyse.i_direct_8x8_inference < 0 )
552 h->param.analyse.i_direct_8x8_inference = l->direct8x8;
555 if( h->param.i_threads > 1 )
557 int r = h->param.analyse.i_mv_range_thread;
561 // half of the available space is reserved and divided evenly among the threads,
562 // the rest is allocated to whichever thread is far enough ahead to use it.
563 // reserving more space increases quality for some videos, but costs more time
564 // in thread synchronization.
565 int max_range = (h->param.i_height + X264_THREAD_HEIGHT) / h->param.i_threads - X264_THREAD_HEIGHT;
568 r = X264_MAX( r, h->param.analyse.i_me_range );
569 r = X264_MIN( r, h->param.analyse.i_mv_range );
570 // round up to use the whole mb row
571 r2 = (r & ~15) + ((-X264_THREAD_HEIGHT) & 15);
574 x264_log( h, X264_LOG_DEBUG, "using mv_range_thread = %d\n", r2 );
575 h->param.analyse.i_mv_range_thread = r2;
578 if( h->param.rc.f_qblur < 0 )
579 h->param.rc.f_qblur = 0;
580 if( h->param.rc.f_complexity_blur < 0 )
581 h->param.rc.f_complexity_blur = 0;
583 h->param.i_sps_id &= 31;
585 if( h->param.i_log_level < X264_LOG_INFO )
587 h->param.analyse.b_psnr = 0;
588 h->param.analyse.b_ssim = 0;
591 /* ensure the booleans are 0 or 1 so they can be used in math */
592 #define BOOLIFY(x) h->param.x = !!h->param.x
594 BOOLIFY( b_deblocking_filter );
595 BOOLIFY( b_interlaced );
596 BOOLIFY( analyse.b_transform_8x8 );
597 BOOLIFY( analyse.i_direct_8x8_inference );
598 BOOLIFY( analyse.b_chroma_me );
599 BOOLIFY( analyse.b_fast_pskip );
600 BOOLIFY( rc.b_stat_write );
601 BOOLIFY( rc.b_stat_read );
607 static void mbcmp_init( x264_t *h )
609 int satd = !h->mb.b_lossless && h->param.analyse.i_subpel_refine > 1;
610 memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad_aligned, sizeof(h->pixf.mbcmp) );
611 memcpy( h->pixf.mbcmp_unaligned, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp_unaligned) );
612 h->pixf.intra_mbcmp_x3_16x16 = satd ? h->pixf.intra_satd_x3_16x16 : h->pixf.intra_sad_x3_16x16;
613 satd &= h->param.analyse.i_me_method == X264_ME_TESA;
614 memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) );
615 memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) );
616 memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) );
619 /****************************************************************************
621 ****************************************************************************/
622 x264_t *x264_encoder_open ( x264_param_t *param )
624 x264_t *h = x264_malloc( sizeof( x264_t ) );
628 memset( h, 0, sizeof( x264_t ) );
630 /* Create a copy of param */
631 memcpy( &h->param, param, sizeof( x264_param_t ) );
633 if( x264_validate_parameters( h ) < 0 )
639 if( h->param.psz_cqm_file )
640 if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
646 if( h->param.rc.psz_stat_out )
647 h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out );
648 if( h->param.rc.psz_stat_in )
649 h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
652 if( h->param.vui.i_sar_width > 0 && h->param.vui.i_sar_height > 0 )
654 int i_w = param->vui.i_sar_width;
655 int i_h = param->vui.i_sar_height;
657 x264_reduce_fraction( &i_w, &i_h );
659 while( i_w > 65535 || i_h > 65535 )
665 h->param.vui.i_sar_width = 0;
666 h->param.vui.i_sar_height = 0;
667 if( i_w == 0 || i_h == 0 )
669 x264_log( h, X264_LOG_WARNING, "cannot create valid sample aspect ratio\n" );
673 x264_log( h, X264_LOG_INFO, "using SAR=%d/%d\n", i_w, i_h );
674 h->param.vui.i_sar_width = i_w;
675 h->param.vui.i_sar_height = i_h;
679 x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
686 h->sps = &h->sps_array[0];
687 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
689 h->pps = &h->pps_array[0];
690 x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps);
692 x264_validate_levels( h, 1 );
694 if( x264_cqm_init( h ) < 0 )
700 h->mb.i_mb_count = h->sps->i_mb_width * h->sps->i_mb_height;
703 if( h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS )
704 h->frames.i_delay = X264_MAX(h->param.i_bframe,3)*4 + h->param.i_threads - 1;
706 h->frames.i_delay = h->param.i_bframe + h->param.i_threads - 1;
707 h->frames.i_max_ref0 = h->param.i_frame_reference;
708 h->frames.i_max_ref1 = h->sps->vui.i_num_reorder_frames;
709 h->frames.i_max_dpb = h->sps->vui.i_max_dec_frame_buffering;
710 h->frames.b_have_lowres = !h->param.rc.b_stat_read
711 && ( h->param.rc.i_rc_method == X264_RC_ABR
712 || h->param.rc.i_rc_method == X264_RC_CRF
713 || h->param.i_bframe_adaptive
714 || h->param.b_pre_scenecut );
715 h->frames.b_have_lowres |= (h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0);
716 h->frames.b_have_sub8x8_esa = !!(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
718 h->frames.i_last_idr = - h->param.i_keyint_max;
719 h->frames.i_input = 0;
720 h->frames.last_nonb = NULL;
725 h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset;
729 /* init CPU functions */
730 x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
731 x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
732 x264_predict_8x8_init( h->param.cpu, h->predict_8x8 );
733 x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
734 if( !h->param.b_cabac );
735 x264_init_vlc_tables();
736 x264_pixel_init( h->param.cpu, &h->pixf );
737 x264_dct_init( h->param.cpu, &h->dctf );
738 x264_zigzag_init( h->param.cpu, &h->zigzagf, h->param.b_interlaced );
739 x264_mc_init( h->param.cpu, &h->mc );
740 x264_quant_init( h, h->param.cpu, &h->quantf );
741 x264_deblock_init( h->param.cpu, &h->loopf );
742 x264_dct_init_weights();
746 p = buf + sprintf( buf, "using cpu capabilities:" );
747 for( i=0; x264_cpu_names[i].flags; i++ )
749 if( !strcmp(x264_cpu_names[i].name, "SSE2")
750 && param->cpu & (X264_CPU_SSE2_IS_FAST|X264_CPU_SSE2_IS_SLOW) )
752 if( !strcmp(x264_cpu_names[i].name, "SSE3")
753 && (param->cpu & X264_CPU_SSSE3 || !(param->cpu & X264_CPU_CACHELINE_64)) )
755 if( !strcmp(x264_cpu_names[i].name, "SSE4.1")
756 && (param->cpu & X264_CPU_SSE42) )
758 if( (param->cpu & x264_cpu_names[i].flags) == x264_cpu_names[i].flags
759 && (!i || x264_cpu_names[i].flags != x264_cpu_names[i-1].flags) )
760 p += sprintf( p, " %s", x264_cpu_names[i].name );
763 p += sprintf( p, " none!" );
764 x264_log( h, X264_LOG_INFO, "%s\n", buf );
767 h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 4
768 * ( h->param.rc.i_rc_method == X264_RC_ABR ? pow( 0.95, h->param.rc.i_qp_min )
769 : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
773 for( i = 1; i < h->param.i_threads; i++ )
774 h->thread[i] = x264_malloc( sizeof(x264_t) );
776 for( i = 0; i < h->param.i_threads; i++ )
780 h->thread[i]->fdec = x264_frame_pop_unused( h );
781 h->thread[i]->out.p_bitstream = x264_malloc( h->out.i_bitstream );
782 if( x264_macroblock_cache_init( h->thread[i] ) < 0 )
786 if( x264_ratecontrol_new( h ) < 0 )
789 if( h->param.psz_dump_yuv )
791 /* create or truncate the reconstructed video file */
792 FILE *f = fopen( h->param.psz_dump_yuv, "w" );
797 x264_log( h, X264_LOG_ERROR, "can't write to fdec.yuv\n" );
803 x264_log( h, X264_LOG_INFO, "profile %s, level %d.%d\n",
804 h->sps->i_profile_idc == PROFILE_BASELINE ? "Baseline" :
805 h->sps->i_profile_idc == PROFILE_MAIN ? "Main" :
806 h->sps->i_profile_idc == PROFILE_HIGH ? "High" :
807 "High 4:4:4 Predictive", h->sps->i_level_idc/10, h->sps->i_level_idc%10 );
812 /****************************************************************************
813 * x264_encoder_reconfig:
814 ****************************************************************************/
815 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
817 #define COPY(var) h->param.var = param->var
818 COPY( i_frame_reference ); // but never uses more refs than initially specified
819 COPY( i_bframe_bias );
820 if( h->param.i_scenecut_threshold >= 0 && param->i_scenecut_threshold >= 0 )
821 COPY( i_scenecut_threshold ); // can't turn it on or off, only vary the threshold
822 COPY( b_deblocking_filter );
823 COPY( i_deblocking_filter_alphac0 );
824 COPY( i_deblocking_filter_beta );
825 COPY( analyse.intra );
826 COPY( analyse.inter );
827 COPY( analyse.i_direct_mv_pred );
828 COPY( analyse.i_me_range );
829 COPY( analyse.i_noise_reduction );
830 /* We can't switch out of subme=0 during encoding. */
831 if( h->param.analyse.i_subpel_refine )
832 COPY( analyse.i_subpel_refine );
833 COPY( analyse.i_trellis );
834 COPY( analyse.b_chroma_me );
835 COPY( analyse.b_dct_decimate );
836 COPY( analyse.b_fast_pskip );
837 COPY( analyse.b_mixed_references );
838 COPY( analyse.f_psy_rd );
839 COPY( analyse.f_psy_trellis );
840 // can only twiddle these if they were enabled to begin with:
841 if( h->param.analyse.i_me_method >= X264_ME_ESA || param->analyse.i_me_method < X264_ME_ESA )
842 COPY( analyse.i_me_method );
843 if( h->param.analyse.i_me_method >= X264_ME_ESA && !h->frames.b_have_sub8x8_esa )
844 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
845 if( h->pps->b_transform_8x8_mode )
846 COPY( analyse.b_transform_8x8 );
847 if( h->frames.i_max_ref1 > 1 )
848 COPY( b_bframe_pyramid );
853 return x264_validate_parameters( h );
857 static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
859 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
861 nal->i_ref_idc = i_ref_idc;
862 nal->i_type = i_type;
865 nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
867 static void x264_nal_end( x264_t *h )
869 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
870 nal->i_payload = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8] - nal->p_payload;
874 /****************************************************************************
875 * x264_encoder_headers:
876 ****************************************************************************/
877 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
879 /* init bitstream context */
881 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
883 /* Put SPS and PPS */
884 if( h->i_frame == 0 )
886 /* identify ourself */
887 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
888 x264_sei_version_write( h, &h->out.bs );
891 /* generate sequence parameters */
892 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
893 x264_sps_write( &h->out.bs, h->sps );
896 /* generate picture parameters */
897 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
898 x264_pps_write( &h->out.bs, h->pps );
902 *pi_nal = h->out.i_nal;
903 *pp_nal = &h->out.nal[0];
909 static inline void x264_reference_build_list( x264_t *h, int i_poc )
914 /* build ref list 0/1 */
917 for( i = 0; h->frames.reference[i]; i++ )
919 if( h->frames.reference[i]->i_poc < i_poc )
921 h->fref0[h->i_ref0++] = h->frames.reference[i];
923 else if( h->frames.reference[i]->i_poc > i_poc )
925 h->fref1[h->i_ref1++] = h->frames.reference[i];
929 /* Order ref0 from higher to lower poc */
933 for( i = 0; i < h->i_ref0 - 1; i++ )
935 if( h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
937 XCHG( x264_frame_t*, h->fref0[i], h->fref0[i+1] );
943 /* Order ref1 from lower to higher poc (bubble sort) for B-frame */
947 for( i = 0; i < h->i_ref1 - 1; i++ )
949 if( h->fref1[i]->i_poc > h->fref1[i+1]->i_poc )
951 XCHG( x264_frame_t*, h->fref1[i], h->fref1[i+1] );
958 /* In the standard, a P-frame's ref list is sorted by frame_num.
959 * We use POC, but check whether explicit reordering is needed */
960 h->b_ref_reorder[0] =
961 h->b_ref_reorder[1] = 0;
962 if( h->sh.i_type == SLICE_TYPE_P )
964 for( i = 0; i < h->i_ref0 - 1; i++ )
965 if( h->fref0[i]->i_frame_num < h->fref0[i+1]->i_frame_num )
967 h->b_ref_reorder[0] = 1;
972 h->i_ref1 = X264_MIN( h->i_ref1, h->frames.i_max_ref1 );
973 h->i_ref0 = X264_MIN( h->i_ref0, h->frames.i_max_ref0 );
974 h->i_ref0 = X264_MIN( h->i_ref0, h->param.i_frame_reference ); // if reconfig() has lowered the limit
975 assert( h->i_ref0 + h->i_ref1 <= 16 );
976 h->mb.pic.i_fref[0] = h->i_ref0;
977 h->mb.pic.i_fref[1] = h->i_ref1;
980 static void x264_fdec_filter_row( x264_t *h, int mb_y )
982 /* mb_y is the mb to be encoded next, not the mb to be filtered here */
983 int b_hpel = h->fdec->b_kept_as_ref;
984 int b_deblock = !h->sh.i_disable_deblocking_filter_idc;
985 int b_end = mb_y == h->sps->i_mb_height;
986 int min_y = mb_y - (1 << h->sh.b_mbaff);
987 int max_y = b_end ? h->sps->i_mb_height : mb_y;
988 b_deblock &= b_hpel || h->param.psz_dump_yuv;
989 if( mb_y & h->sh.b_mbaff )
997 for( j=0; j<=h->sh.b_mbaff; j++ )
1000 memcpy( h->mb.intra_border_backup[j][i],
1001 h->fdec->plane[i] + ((mb_y*16 >> !!i) + j - 1 - h->sh.b_mbaff) * h->fdec->i_stride[i],
1002 h->sps->i_mb_width*16 >> !!i );
1009 for( y = min_y; y < max_y; y += (1 << h->sh.b_mbaff) )
1010 x264_frame_deblock_row( h, y );
1015 x264_frame_expand_border( h, h->fdec, min_y, b_end );
1016 if( h->param.analyse.i_subpel_refine )
1018 x264_frame_filter( h, h->fdec, min_y, b_end );
1019 x264_frame_expand_border_filtered( h, h->fdec, min_y, b_end );
1023 if( h->param.i_threads > 1 && h->fdec->b_kept_as_ref )
1025 x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << h->sh.b_mbaff)) );
1028 min_y = X264_MAX( min_y*16-8, 0 );
1029 max_y = b_end ? h->param.i_height : mb_y*16-8;
1031 if( h->param.analyse.b_psnr )
1034 for( i=0; i<3; i++ )
1035 h->stat.frame.i_ssd[i] +=
1036 x264_pixel_ssd_wxh( &h->pixf,
1037 h->fdec->plane[i] + (min_y>>!!i) * h->fdec->i_stride[i], h->fdec->i_stride[i],
1038 h->fenc->plane[i] + (min_y>>!!i) * h->fenc->i_stride[i], h->fenc->i_stride[i],
1039 h->param.i_width >> !!i, (max_y-min_y) >> !!i );
1042 if( h->param.analyse.b_ssim )
1045 /* offset by 2 pixels to avoid alignment of ssim blocks with dct blocks,
1046 * and overlap by 4 */
1047 min_y += min_y == 0 ? 2 : -6;
1048 h->stat.frame.f_ssim +=
1049 x264_pixel_ssim_wxh( &h->pixf,
1050 h->fdec->plane[0] + 2+min_y*h->fdec->i_stride[0], h->fdec->i_stride[0],
1051 h->fenc->plane[0] + 2+min_y*h->fenc->i_stride[0], h->fenc->i_stride[0],
1052 h->param.i_width-2, max_y-min_y, h->scratch_buffer );
1056 static inline void x264_reference_update( x264_t *h )
1060 if( h->fdec->i_frame >= 0 )
1063 if( !h->fdec->b_kept_as_ref )
1065 if( h->param.i_threads > 1 )
1067 x264_frame_push_unused( h, h->fdec );
1068 h->fdec = x264_frame_pop_unused( h );
1073 /* move lowres copy of the image to the ref frame */
1074 for( i = 0; i < 4; i++)
1076 XCHG( uint8_t*, h->fdec->lowres[i], h->fenc->lowres[i] );
1077 XCHG( uint8_t*, h->fdec->buffer_lowres[i], h->fenc->buffer_lowres[i] );
1080 /* adaptive B decision needs a pointer, since it can't use the ref lists */
1081 if( h->sh.i_type != SLICE_TYPE_B )
1082 h->frames.last_nonb = h->fdec;
1084 /* move frame in the buffer */
1085 x264_frame_push( h->frames.reference, h->fdec );
1086 if( h->frames.reference[h->frames.i_max_dpb] )
1087 x264_frame_push_unused( h, x264_frame_shift( h->frames.reference ) );
1088 h->fdec = x264_frame_pop_unused( h );
1091 static inline void x264_reference_reset( x264_t *h )
1093 while( h->frames.reference[0] )
1094 x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
1099 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
1101 /* ------------------------ Create slice header ----------------------- */
1102 if( i_nal_type == NAL_SLICE_IDR )
1104 x264_slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp );
1107 h->i_idr_pic_id = ( h->i_idr_pic_id + 1 ) % 65536;
1111 x264_slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp );
1113 /* always set the real higher num of ref frame used */
1114 h->sh.b_num_ref_idx_override = 1;
1115 h->sh.i_num_ref_idx_l0_active = h->i_ref0 <= 0 ? 1 : h->i_ref0;
1116 h->sh.i_num_ref_idx_l1_active = h->i_ref1 <= 0 ? 1 : h->i_ref1;
1119 h->fdec->i_frame_num = h->sh.i_frame_num;
1121 if( h->sps->i_poc_type == 0 )
1123 h->sh.i_poc_lsb = h->fdec->i_poc & ( (1 << h->sps->i_log2_max_poc_lsb) - 1 );
1124 h->sh.i_delta_poc_bottom = 0; /* XXX won't work for field */
1126 else if( h->sps->i_poc_type == 1 )
1128 /* FIXME TODO FIXME */
1132 /* Nothing to do ? */
1135 x264_macroblock_slice_init( h );
1138 static void x264_slice_write( x264_t *h )
1141 int mb_xy, i_mb_x, i_mb_y;
1142 int i, i_list, i_ref;
1145 memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
1148 x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
1151 x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
1152 if( h->param.b_cabac )
1154 /* alignment needed */
1155 bs_align_1( &h->out.bs );
1158 x264_cabac_context_init( &h->cabac, h->sh.i_type, h->sh.i_qp, h->sh.i_cabac_init_idc );
1159 x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
1161 h->mb.i_last_qp = h->sh.i_qp;
1162 h->mb.i_last_dqp = 0;
1164 i_mb_y = h->sh.i_first_mb / h->sps->i_mb_width;
1165 i_mb_x = h->sh.i_first_mb % h->sps->i_mb_width;
1168 while( (mb_xy = i_mb_x + i_mb_y * h->sps->i_mb_width) < h->sh.i_last_mb )
1170 int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
1173 x264_fdec_filter_row( h, i_mb_y );
1176 x264_macroblock_cache_load( h, i_mb_x, i_mb_y );
1178 /* analyse parameters
1179 * Slice I: choose I_4x4 or I_16x16 mode
1180 * Slice P: choose between using P mode or intra (4x4 or 16x16)
1182 x264_macroblock_analyse( h );
1184 /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
1185 x264_macroblock_encode( h );
1187 x264_bitstream_check_buffer( h );
1189 if( h->param.b_cabac )
1191 if( mb_xy > h->sh.i_first_mb && !(h->sh.b_mbaff && (i_mb_y&1)) )
1192 x264_cabac_encode_terminal( &h->cabac );
1194 if( IS_SKIP( h->mb.i_type ) )
1195 x264_cabac_mb_skip( h, 1 );
1198 if( h->sh.i_type != SLICE_TYPE_I )
1199 x264_cabac_mb_skip( h, 0 );
1200 x264_macroblock_write_cabac( h, &h->cabac );
1205 if( IS_SKIP( h->mb.i_type ) )
1209 if( h->sh.i_type != SLICE_TYPE_I )
1211 bs_write_ue( &h->out.bs, i_skip ); /* skip run */
1214 x264_macroblock_write_cavlc( h, &h->out.bs );
1219 if( h->param.b_visualize )
1220 x264_visualize_mb( h );
1224 x264_macroblock_cache_save( h );
1226 /* accumulate mb stats */
1227 h->stat.frame.i_mb_count[h->mb.i_type]++;
1228 if( !IS_SKIP(h->mb.i_type) && !IS_INTRA(h->mb.i_type) && !IS_DIRECT(h->mb.i_type) )
1230 if( h->mb.i_partition != D_8x8 )
1231 h->stat.frame.i_mb_partition[h->mb.i_partition] += 4;
1233 for( i = 0; i < 4; i++ )
1234 h->stat.frame.i_mb_partition[h->mb.i_sub_partition[i]] ++;
1235 if( h->param.i_frame_reference > 1 )
1236 for( i_list = 0; i_list <= (h->sh.i_type == SLICE_TYPE_B); i_list++ )
1237 for( i = 0; i < 4; i++ )
1239 i_ref = h->mb.cache.ref[i_list][ x264_scan8[4*i] ];
1241 h->stat.frame.i_mb_count_ref[i_list][i_ref] ++;
1244 if( h->mb.i_cbp_luma && !IS_INTRA(h->mb.i_type) )
1246 h->stat.frame.i_mb_count_8x8dct[0] ++;
1247 h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
1250 x264_ratecontrol_mb( h, bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac) - mb_spos );
1254 i_mb_x += i_mb_y & 1;
1255 i_mb_y ^= i_mb_x < h->sps->i_mb_width;
1259 if(i_mb_x == h->sps->i_mb_width)
1266 if( h->param.b_cabac )
1268 x264_cabac_encode_flush( h, &h->cabac );
1269 h->out.bs.p = h->cabac.p;
1274 bs_write_ue( &h->out.bs, i_skip ); /* last skip run */
1275 /* rbsp_slice_trailing_bits */
1276 bs_rbsp_trailing( &h->out.bs );
1281 x264_fdec_filter_row( h, h->sps->i_mb_height );
1283 /* Compute misc bits */
1284 h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
1286 - h->stat.frame.i_tex_bits
1287 - h->stat.frame.i_mv_bits;
1290 static void x264_thread_sync_context( x264_t *dst, x264_t *src )
1296 // reference counting
1297 for( f = src->frames.reference; *f; f++ )
1298 (*f)->i_reference_count++;
1299 for( f = dst->frames.reference; *f; f++ )
1300 x264_frame_push_unused( src, *f );
1301 src->fdec->i_reference_count++;
1302 x264_frame_push_unused( src, dst->fdec );
1304 // copy everything except the per-thread pointers and the constants.
1305 memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.type) - offsetof(x264_t, i_frame) );
1306 dst->stat = src->stat;
1309 static void x264_thread_sync_stat( x264_t *dst, x264_t *src )
1313 memcpy( &dst->stat.i_slice_count, &src->stat.i_slice_count, sizeof(dst->stat) - sizeof(dst->stat.frame) );
1316 static int x264_slices_write( x264_t *h )
1321 /* Misalign mask has to be set separately for each thread. */
1322 if( h->param.cpu&X264_CPU_SSE_MISALIGN )
1323 x264_cpu_mask_misalign_sse();
1327 if( h->param.b_visualize )
1328 x264_visualize_init( h );
1331 x264_stack_align( x264_slice_write, h );
1332 i_frame_size = h->out.nal[h->out.i_nal-1].i_payload;
1335 if( h->param.b_visualize )
1337 x264_visualize_show( h );
1338 x264_visualize_close( h );
1342 h->out.i_frame_size = i_frame_size;
1346 /****************************************************************************
1347 * x264_encoder_encode:
1348 * XXX: i_poc : is the poc of the current given picture
1349 * i_frame : is the number of the frame being coded
1350 * ex: type frame poc
1358 ****************************************************************************/
1359 int x264_encoder_encode( x264_t *h,
1360 x264_nal_t **pp_nal, int *pi_nal,
1361 x264_picture_t *pic_in,
1362 x264_picture_t *pic_out )
1364 x264_t *thread_current, *thread_prev, *thread_oldest;
1370 if( h->param.i_threads > 1)
1372 int i = ++h->i_thread_phase;
1373 int t = h->param.i_threads;
1374 thread_current = h->thread[ i%t ];
1375 thread_prev = h->thread[ (i-1)%t ];
1376 thread_oldest = h->thread[ (i+1)%t ];
1377 x264_thread_sync_context( thread_current, thread_prev );
1378 x264_thread_sync_ratecontrol( thread_current, thread_prev, thread_oldest );
1380 // fprintf(stderr, "current: %p prev: %p oldest: %p \n", thread_current, thread_prev, thread_oldest);
1389 // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0
1390 x264_reference_update( h );
1391 h->fdec->i_lines_completed = -1;
1397 /* ------------------- Setup new frame from picture -------------------- */
1398 if( pic_in != NULL )
1400 /* 1: Copy the picture to a frame and move it to a buffer */
1401 x264_frame_t *fenc = x264_frame_pop_unused( h );
1403 if( x264_frame_copy_picture( h, fenc, pic_in ) < 0 )
1406 if( h->param.i_width != 16 * h->sps->i_mb_width ||
1407 h->param.i_height != 16 * h->sps->i_mb_height )
1408 x264_frame_expand_border_mod16( h, fenc );
1410 fenc->i_frame = h->frames.i_input++;
1412 x264_frame_push( h->frames.next, fenc );
1414 if( h->frames.b_have_lowres )
1415 x264_frame_init_lowres( h, fenc );
1417 if( h->param.rc.i_aq_mode )
1418 x264_adaptive_quant_frame( h, fenc );
1420 if( h->frames.i_input <= h->frames.i_delay + 1 - h->param.i_threads )
1422 /* Nothing yet to encode */
1423 /* waiting for filling bframe buffer */
1424 pic_out->i_type = X264_TYPE_AUTO;
1429 if( h->frames.current[0] == NULL )
1432 /* 2: Select frame types */
1433 if( h->frames.next[0] == NULL )
1435 x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
1439 x264_stack_align( x264_slicetype_decide, h );
1441 /* 3: move some B-frames and 1 non-B to encode queue */
1442 while( IS_X264_TYPE_B( h->frames.next[bframes]->i_type ) )
1444 x264_frame_push( h->frames.current, x264_frame_shift( &h->frames.next[bframes] ) );
1445 /* FIXME: when max B-frames > 3, BREF may no longer be centered after GOP closing */
1446 if( h->param.b_bframe_pyramid && bframes > 1 )
1448 x264_frame_t *mid = x264_frame_shift( &h->frames.next[bframes/2] );
1449 mid->i_type = X264_TYPE_BREF;
1450 x264_frame_push( h->frames.current, mid );
1454 x264_frame_push( h->frames.current, x264_frame_shift( h->frames.next ) );
1457 /* ------------------- Get frame to be encoded ------------------------- */
1458 /* 4: get picture to encode */
1459 h->fenc = x264_frame_shift( h->frames.current );
1460 if( h->fenc == NULL )
1462 /* Nothing yet to encode (ex: waiting for I/P with B frames) */
1463 /* waiting for filling bframe buffer */
1464 pic_out->i_type = X264_TYPE_AUTO;
1470 if( h->fenc->i_type == X264_TYPE_IDR )
1472 h->frames.i_last_idr = h->fenc->i_frame;
1475 /* ------------------- Setup frame context ----------------------------- */
1476 /* 5: Init data dependent of frame type */
1477 if( h->fenc->i_type == X264_TYPE_IDR )
1479 /* reset ref pictures */
1480 x264_reference_reset( h );
1482 i_nal_type = NAL_SLICE_IDR;
1483 i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
1484 h->sh.i_type = SLICE_TYPE_I;
1486 else if( h->fenc->i_type == X264_TYPE_I )
1488 i_nal_type = NAL_SLICE;
1489 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
1490 h->sh.i_type = SLICE_TYPE_I;
1492 else if( h->fenc->i_type == X264_TYPE_P )
1494 i_nal_type = NAL_SLICE;
1495 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
1496 h->sh.i_type = SLICE_TYPE_P;
1498 else if( h->fenc->i_type == X264_TYPE_BREF )
1500 i_nal_type = NAL_SLICE;
1501 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* maybe add MMCO to forget it? -> low */
1502 h->sh.i_type = SLICE_TYPE_B;
1506 i_nal_type = NAL_SLICE;
1507 i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
1508 h->sh.i_type = SLICE_TYPE_B;
1512 h->fenc->i_poc = 2 * (h->fenc->i_frame - h->frames.i_last_idr);
1513 h->fdec->i_type = h->fenc->i_type;
1514 h->fdec->i_frame = h->fenc->i_frame;
1515 h->fenc->b_kept_as_ref =
1516 h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1;
1520 /* ------------------- Init ----------------------------- */
1521 /* build ref list 0/1 */
1522 x264_reference_build_list( h, h->fdec->i_poc );
1524 /* Init the rate control */
1525 x264_ratecontrol_start( h, h->fenc->i_qpplus1 );
1526 i_global_qp = x264_ratecontrol_qp( h );
1528 pic_out->i_qpplus1 =
1529 h->fdec->i_qpplus1 = i_global_qp + 1;
1531 if( h->sh.i_type == SLICE_TYPE_B )
1532 x264_macroblock_bipred_init( h );
1534 /* ------------------------ Create slice header ----------------------- */
1535 x264_slice_init( h, i_nal_type, i_global_qp );
1537 if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
1540 /* ---------------------- Write the bitstream -------------------------- */
1541 /* Init bitstream context */
1543 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
1548 if(h->sh.i_type == SLICE_TYPE_I)
1550 else if(h->sh.i_type == SLICE_TYPE_P)
1552 else if(h->sh.i_type == SLICE_TYPE_B)
1557 x264_nal_start(h, NAL_AUD, NAL_PRIORITY_DISPOSABLE);
1558 bs_write(&h->out.bs, 3, pic_type);
1559 bs_rbsp_trailing(&h->out.bs);
1563 h->i_nal_type = i_nal_type;
1564 h->i_nal_ref_idc = i_nal_ref_idc;
1566 /* Write SPS and PPS */
1567 if( i_nal_type == NAL_SLICE_IDR && h->param.b_repeat_headers )
1569 if( h->fenc->i_frame == 0 )
1571 /* identify ourself */
1572 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
1573 x264_sei_version_write( h, &h->out.bs );
1577 /* generate sequence parameters */
1578 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
1579 x264_sps_write( &h->out.bs, h->sps );
1582 /* generate picture parameters */
1583 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
1584 x264_pps_write( &h->out.bs, h->pps );
1589 if( h->param.i_threads > 1 )
1591 x264_pthread_create( &h->thread_handle, NULL, (void*)x264_slices_write, h );
1592 h->b_thread_active = 1;
1595 x264_slices_write( h );
1597 /* restore CPU state (before using float again) */
1600 if( h->sh.i_type == SLICE_TYPE_P && !h->param.rc.b_stat_read
1601 && h->param.i_scenecut_threshold >= 0
1602 && !h->param.b_pre_scenecut )
1604 const int *mbs = h->stat.frame.i_mb_count;
1605 int i_mb_i = mbs[I_16x16] + mbs[I_8x8] + mbs[I_4x4];
1606 int i_mb_p = mbs[P_L0] + mbs[P_8x8];
1607 int i_mb_s = mbs[P_SKIP];
1608 int i_mb = h->sps->i_mb_width * h->sps->i_mb_height;
1609 int64_t i_inter_cost = h->stat.frame.i_inter_cost;
1610 int64_t i_intra_cost = h->stat.frame.i_intra_cost;
1613 int i_gop_size = h->fenc->i_frame - h->frames.i_last_idr;
1614 float f_thresh_max = h->param.i_scenecut_threshold / 100.0;
1615 /* magic numbers pulled out of thin air */
1616 float f_thresh_min = f_thresh_max * h->param.i_keyint_min
1617 / ( h->param.i_keyint_max * 4 );
1618 if( h->param.i_keyint_min == h->param.i_keyint_max )
1619 f_thresh_min= f_thresh_max;
1621 /* macroblock_analyse() doesn't further analyse skipped mbs,
1622 * so we have to guess their cost */
1623 if( h->stat.frame.i_mbs_analysed > 0 )
1624 i_intra_cost = i_intra_cost * i_mb / h->stat.frame.i_mbs_analysed;
1626 if( i_gop_size < h->param.i_keyint_min / 4 )
1627 f_bias = f_thresh_min / 4;
1628 else if( i_gop_size <= h->param.i_keyint_min )
1629 f_bias = f_thresh_min * i_gop_size / h->param.i_keyint_min;
1632 f_bias = f_thresh_min
1633 + ( f_thresh_max - f_thresh_min )
1634 * ( i_gop_size - h->param.i_keyint_min )
1635 / ( h->param.i_keyint_max - h->param.i_keyint_min );
1637 f_bias = X264_MIN( f_bias, 1.0 );
1639 /* Bad P will be reencoded as I */
1640 if( h->stat.frame.i_mbs_analysed > 0 &&
1641 i_inter_cost >= (1.0 - f_bias) * i_intra_cost )
1645 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",
1647 (double)i_intra_cost, (double)i_inter_cost,
1648 1. - (double)i_inter_cost / i_intra_cost,
1650 i_mb_i, i_mb_p, i_mb_s );
1652 /* Restore frame num */
1655 for( b = 0; h->frames.current[b] && IS_X264_TYPE_B( h->frames.current[b]->i_type ); b++ );
1658 /* If using B-frames, force GOP to be closed.
1659 * Even if this frame is going to be I and not IDR, forcing a
1660 * P-frame before the scenecut will probably help compression.
1662 * We don't yet know exactly which frame is the scene cut, so
1663 * we can't assign an I-frame. Instead, change the previous
1664 * B-frame to P, and rearrange coding order. */
1666 if( h->param.i_bframe_adaptive || b > 1 )
1667 h->fenc->i_type = X264_TYPE_AUTO;
1668 x264_frame_sort_pts( h->frames.current );
1669 x264_frame_unshift( h->frames.next, h->fenc );
1670 h->fenc = h->frames.current[b-1];
1671 h->frames.current[b-1] = NULL;
1672 h->fenc->i_type = X264_TYPE_P;
1673 x264_frame_sort_dts( h->frames.current );
1675 /* Do IDR if needed */
1676 else if( i_gop_size >= h->param.i_keyint_min )
1681 /* Reinit field of fenc */
1682 h->fenc->i_type = X264_TYPE_IDR;
1685 /* Put enqueued frames back in the pool */
1686 while( h->frames.current[0] )
1687 x264_frame_push( h->frames.next, x264_frame_shift( h->frames.current ) );
1688 x264_frame_sort_pts( h->frames.next );
1692 h->fenc->i_type = X264_TYPE_I;
1698 x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
1702 static void x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
1703 x264_nal_t **pp_nal, int *pi_nal,
1704 x264_picture_t *pic_out )
1707 char psz_message[80];
1709 if( h->b_thread_active )
1711 x264_pthread_join( h->thread_handle, NULL );
1712 h->b_thread_active = 0;
1716 pic_out->i_type = X264_TYPE_AUTO;
1720 x264_frame_push_unused( thread_current, h->fenc );
1722 /* End bitstream, set output */
1723 *pi_nal = h->out.i_nal;
1724 *pp_nal = h->out.nal;
1727 /* Set output picture properties */
1728 if( h->sh.i_type == SLICE_TYPE_I )
1729 pic_out->i_type = h->i_nal_type == NAL_SLICE_IDR ? X264_TYPE_IDR : X264_TYPE_I;
1730 else if( h->sh.i_type == SLICE_TYPE_P )
1731 pic_out->i_type = X264_TYPE_P;
1733 pic_out->i_type = X264_TYPE_B;
1734 pic_out->i_pts = h->fenc->i_pts;
1736 pic_out->img.i_plane = h->fdec->i_plane;
1737 for(i = 0; i < 4; i++){
1738 pic_out->img.i_stride[i] = h->fdec->i_stride[i];
1739 pic_out->img.plane[i] = h->fdec->plane[i];
1742 /* ---------------------- Update encoder state ------------------------- */
1746 x264_ratecontrol_end( h, h->out.i_frame_size * 8 );
1748 /* restore CPU state (before using float again) */
1751 x264_noise_reduction_update( thread_current );
1753 /* ---------------------- Compute/Print statistics --------------------- */
1754 x264_thread_sync_stat( h, h->thread[0] );
1757 h->stat.i_slice_count[h->sh.i_type]++;
1758 h->stat.i_slice_size[h->sh.i_type] += h->out.i_frame_size + NALU_OVERHEAD;
1759 h->stat.f_slice_qp[h->sh.i_type] += h->fdec->f_qp_avg_aq;
1761 for( i = 0; i < X264_MBTYPE_MAX; i++ )
1762 h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
1763 for( i = 0; i < X264_PARTTYPE_MAX; i++ )
1764 h->stat.i_mb_partition[h->sh.i_type][i] += h->stat.frame.i_mb_partition[i];
1765 for( i = 0; i < 2; i++ )
1766 h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
1767 if( h->sh.i_type != SLICE_TYPE_I )
1768 for( i_list = 0; i_list < 2; i_list++ )
1769 for( i = 0; i < 32; i++ )
1770 h->stat.i_mb_count_ref[h->sh.i_type][i_list][i] += h->stat.frame.i_mb_count_ref[i_list][i];
1771 if( h->sh.i_type == SLICE_TYPE_P )
1772 h->stat.i_consecutive_bframes[h->fdec->i_frame - h->fref0[0]->i_frame - 1]++;
1773 if( h->sh.i_type == SLICE_TYPE_B )
1775 h->stat.i_direct_frames[ h->sh.b_direct_spatial_mv_pred ] ++;
1776 if( h->mb.b_direct_auto_write )
1778 //FIXME somewhat arbitrary time constants
1779 if( h->stat.i_direct_score[0] + h->stat.i_direct_score[1] > h->mb.i_mb_count )
1781 for( i = 0; i < 2; i++ )
1782 h->stat.i_direct_score[i] = h->stat.i_direct_score[i] * 9/10;
1784 for( i = 0; i < 2; i++ )
1785 h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i];
1789 psz_message[0] = '\0';
1790 if( h->param.analyse.b_psnr )
1793 h->stat.frame.i_ssd[0],
1794 h->stat.frame.i_ssd[1],
1795 h->stat.frame.i_ssd[2],
1798 h->stat.i_ssd_global[h->sh.i_type] += ssd[0] + ssd[1] + ssd[2];
1799 h->stat.f_psnr_average[h->sh.i_type] += x264_psnr( ssd[0] + ssd[1] + ssd[2], 3 * h->param.i_width * h->param.i_height / 2 );
1800 h->stat.f_psnr_mean_y[h->sh.i_type] += x264_psnr( ssd[0], h->param.i_width * h->param.i_height );
1801 h->stat.f_psnr_mean_u[h->sh.i_type] += x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4 );
1802 h->stat.f_psnr_mean_v[h->sh.i_type] += x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4 );
1804 snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f",
1805 x264_psnr( ssd[0], h->param.i_width * h->param.i_height ),
1806 x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4),
1807 x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4) );
1810 if( h->param.analyse.b_ssim )
1812 double ssim_y = h->stat.frame.f_ssim
1813 / (((h->param.i_width-6)>>2) * ((h->param.i_height-6)>>2));
1814 h->stat.f_ssim_mean_y[h->sh.i_type] += ssim_y;
1815 snprintf( psz_message + strlen(psz_message), 80 - strlen(psz_message),
1816 " SSIM Y:%.5f", ssim_y );
1818 psz_message[79] = '\0';
1820 x264_log( h, X264_LOG_DEBUG,
1821 "frame=%4d QP=%.2f NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
1823 h->fdec->f_qp_avg_aq,
1825 h->sh.i_type == SLICE_TYPE_I ? 'I' : (h->sh.i_type == SLICE_TYPE_P ? 'P' : 'B' ),
1827 h->stat.frame.i_mb_count_i,
1828 h->stat.frame.i_mb_count_p,
1829 h->stat.frame.i_mb_count_skip,
1830 h->out.i_frame_size,
1833 // keep stats all in one place
1834 x264_thread_sync_stat( h->thread[0], h );
1835 // for the use of the next frame
1836 x264_thread_sync_stat( thread_current, h );
1838 #ifdef DEBUG_MB_TYPE
1840 static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
1841 'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
1843 for( mb_xy = 0; mb_xy < h->sps->i_mb_width * h->sps->i_mb_height; mb_xy++ )
1845 if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 )
1846 fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
1848 fprintf( stderr, "? " );
1850 if( (mb_xy+1) % h->sps->i_mb_width == 0 )
1851 fprintf( stderr, "\n" );
1856 if( h->param.psz_dump_yuv )
1857 x264_frame_dump( h );
1860 static void x264_print_intra( int64_t *i_mb_count, double i_count, int b_print_pcm, char *intra )
1862 intra += sprintf( intra, "I16..4%s: %4.1f%% %4.1f%% %4.1f%%",
1863 b_print_pcm ? "..PCM" : "",
1864 i_mb_count[I_16x16]/ i_count,
1865 i_mb_count[I_8x8] / i_count,
1866 i_mb_count[I_4x4] / i_count );
1868 sprintf( intra, " %4.1f%%", i_mb_count[I_PCM] / i_count );
1871 /****************************************************************************
1872 * x264_encoder_close:
1873 ****************************************************************************/
1874 void x264_encoder_close ( x264_t *h )
1876 int64_t i_yuv_size = 3 * h->param.i_width * h->param.i_height / 2;
1877 int64_t i_mb_count_size[2][7] = {{0}};
1879 int i, j, i_list, i_type;
1880 int b_print_pcm = h->stat.i_mb_count[SLICE_TYPE_I][I_PCM]
1881 || h->stat.i_mb_count[SLICE_TYPE_P][I_PCM]
1882 || h->stat.i_mb_count[SLICE_TYPE_B][I_PCM];
1884 for( i=0; i<h->param.i_threads; i++ )
1886 // don't strictly have to wait for the other threads, but it's simpler than canceling them
1887 if( h->thread[i]->b_thread_active )
1889 x264_pthread_join( h->thread[i]->thread_handle, NULL );
1890 assert( h->thread[i]->fenc->i_reference_count == 1 );
1891 x264_frame_delete( h->thread[i]->fenc );
1895 /* Slices used and PSNR */
1896 for( i=0; i<5; i++ )
1898 static const int slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_SI, SLICE_TYPE_P, SLICE_TYPE_SP, SLICE_TYPE_B };
1899 static const char *slice_name[] = { "P", "B", "I", "SP", "SI" };
1900 int i_slice = slice_order[i];
1902 if( h->stat.i_slice_count[i_slice] > 0 )
1904 const int i_count = h->stat.i_slice_count[i_slice];
1905 if( h->param.analyse.b_psnr )
1907 x264_log( h, X264_LOG_INFO,
1908 "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",
1909 slice_name[i_slice],
1911 h->stat.f_slice_qp[i_slice] / i_count,
1912 (double)h->stat.i_slice_size[i_slice] / i_count,
1913 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,
1914 h->stat.f_psnr_average[i_slice] / i_count,
1915 x264_psnr( h->stat.i_ssd_global[i_slice], i_count * i_yuv_size ) );
1919 x264_log( h, X264_LOG_INFO,
1920 "slice %s:%-5d Avg QP:%5.2f size:%6.0f\n",
1921 slice_name[i_slice],
1923 h->stat.f_slice_qp[i_slice] / i_count,
1924 (double)h->stat.i_slice_size[i_slice] / i_count );
1928 if( h->param.i_bframe && h->stat.i_slice_count[SLICE_TYPE_P] )
1932 // weight by number of frames (including the P-frame) that are in a sequence of N B-frames
1933 for( i=0; i<=h->param.i_bframe; i++ )
1934 den += (i+1) * h->stat.i_consecutive_bframes[i];
1935 for( i=0; i<=h->param.i_bframe; i++ )
1936 p += sprintf( p, " %4.1f%%", 100. * (i+1) * h->stat.i_consecutive_bframes[i] / den );
1937 x264_log( h, X264_LOG_INFO, "consecutive B-frames:%s\n", buf );
1940 for( i_type = 0; i_type < 2; i_type++ )
1941 for( i = 0; i < X264_PARTTYPE_MAX; i++ )
1943 if( i == D_DIRECT_8x8 ) continue; /* direct is counted as its own type */
1944 i_mb_count_size[i_type][x264_mb_partition_pixel_table[i]] += h->stat.i_mb_partition[i_type][i];
1948 if( h->stat.i_slice_count[SLICE_TYPE_I] > 0 )
1950 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
1951 double i_count = h->stat.i_slice_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
1952 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
1953 x264_log( h, X264_LOG_INFO, "mb I %s\n", buf );
1955 if( h->stat.i_slice_count[SLICE_TYPE_P] > 0 )
1957 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
1958 double i_count = h->stat.i_slice_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
1959 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_P];
1960 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
1961 x264_log( h, X264_LOG_INFO,
1962 "mb P %s P16..4: %4.1f%% %4.1f%% %4.1f%% %4.1f%% %4.1f%% skip:%4.1f%%\n",
1964 i_mb_size[PIXEL_16x16] / (i_count*4),
1965 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
1966 i_mb_size[PIXEL_8x8] / (i_count*4),
1967 (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
1968 i_mb_size[PIXEL_4x4] / (i_count*4),
1969 i_mb_count[P_SKIP] / i_count );
1971 if( h->stat.i_slice_count[SLICE_TYPE_B] > 0 )
1973 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
1974 double i_count = h->stat.i_slice_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
1975 double i_mb_list_count;
1976 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_B];
1977 int64_t list_count[3] = {0}; /* 0 == L0, 1 == L1, 2 == BI */
1978 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
1979 for( i = 0; i < X264_PARTTYPE_MAX; i++ )
1980 for( j = 0; j < 2; j++ )
1982 int l0 = x264_mb_type_list_table[i][0][j];
1983 int l1 = x264_mb_type_list_table[i][1][j];
1985 list_count[l1+l0*l1] += h->stat.i_mb_count[SLICE_TYPE_B][i] * 2;
1987 list_count[0] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L0_8x8];
1988 list_count[1] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L1_8x8];
1989 list_count[2] += h->stat.i_mb_partition[SLICE_TYPE_B][D_BI_8x8];
1990 i_mb_count[B_DIRECT] += (h->stat.i_mb_partition[SLICE_TYPE_B][D_DIRECT_8x8]+2)/4;
1991 i_mb_list_count = (list_count[0] + list_count[1] + list_count[2]) / 100.0;
1992 x264_log( h, X264_LOG_INFO,
1993 "mb B %s B16..8: %4.1f%% %4.1f%% %4.1f%% direct:%4.1f%% skip:%4.1f%% L0:%4.1f%% L1:%4.1f%% BI:%4.1f%%\n",
1995 i_mb_size[PIXEL_16x16] / (i_count*4),
1996 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
1997 i_mb_size[PIXEL_8x8] / (i_count*4),
1998 i_mb_count[B_DIRECT] / i_count,
1999 i_mb_count[B_SKIP] / i_count,
2000 list_count[0] / i_mb_list_count,
2001 list_count[1] / i_mb_list_count,
2002 list_count[2] / i_mb_list_count );
2005 x264_ratecontrol_summary( h );
2007 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 )
2009 const int i_count = h->stat.i_slice_count[SLICE_TYPE_I] +
2010 h->stat.i_slice_count[SLICE_TYPE_P] +
2011 h->stat.i_slice_count[SLICE_TYPE_B];
2012 float fps = (float) h->param.i_fps_num / h->param.i_fps_den;
2013 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
2014 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
2015 float f_bitrate = fps * SUM3(h->stat.i_slice_size) / i_count / 125;
2017 if( h->pps->b_transform_8x8_mode )
2019 int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
2020 int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
2021 + SUM3b( h->stat.i_mb_count, I_16x16 );
2022 x264_log( h, X264_LOG_INFO, "8x8 transform intra:%.1f%% inter:%.1f%%\n",
2023 100. * i_i8x8 / i_intra,
2024 100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
2027 if( h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
2028 && h->stat.i_slice_count[SLICE_TYPE_B] )
2030 x264_log( h, X264_LOG_INFO, "direct mvs spatial:%.1f%% temporal:%.1f%%\n",
2031 h->stat.i_direct_frames[1] * 100. / h->stat.i_slice_count[SLICE_TYPE_B],
2032 h->stat.i_direct_frames[0] * 100. / h->stat.i_slice_count[SLICE_TYPE_B] );
2035 for( i_list = 0; i_list < 2; i_list++ )
2038 for( i_slice = 0; i_slice < 2; i_slice++ )
2043 for( i = 0; i < 32; i++ )
2044 if( h->stat.i_mb_count_ref[i_slice][i_list][i] )
2046 i_den += h->stat.i_mb_count_ref[i_slice][i_list][i];
2051 for( i = 0; i <= i_max; i++ )
2052 p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i_list][i] / i_den );
2053 x264_log( h, X264_LOG_INFO, "ref %c L%d %s\n", "PB"[i_slice], i_list, buf );
2057 if( h->param.analyse.b_ssim )
2059 x264_log( h, X264_LOG_INFO,
2060 "SSIM Mean Y:%.7f\n",
2061 SUM3( h->stat.f_ssim_mean_y ) / i_count );
2063 if( h->param.analyse.b_psnr )
2065 x264_log( h, X264_LOG_INFO,
2066 "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
2067 SUM3( h->stat.f_psnr_mean_y ) / i_count,
2068 SUM3( h->stat.f_psnr_mean_u ) / i_count,
2069 SUM3( h->stat.f_psnr_mean_v ) / i_count,
2070 SUM3( h->stat.f_psnr_average ) / i_count,
2071 x264_psnr( SUM3( h->stat.i_ssd_global ), i_count * i_yuv_size ),
2075 x264_log( h, X264_LOG_INFO, "kb/s:%.1f\n", f_bitrate );
2079 x264_ratecontrol_delete( h );
2082 if( h->param.rc.psz_stat_out )
2083 free( h->param.rc.psz_stat_out );
2084 if( h->param.rc.psz_stat_in )
2085 free( h->param.rc.psz_stat_in );
2087 x264_cqm_delete( h );
2089 if( h->param.i_threads > 1)
2090 h = h->thread[ h->i_thread_phase % h->param.i_threads ];
2093 for( i = 0; h->frames.current[i]; i++ )
2095 assert( h->frames.current[i]->i_reference_count == 1 );
2096 x264_frame_delete( h->frames.current[i] );
2098 for( i = 0; h->frames.next[i]; i++ )
2100 assert( h->frames.next[i]->i_reference_count == 1 );
2101 x264_frame_delete( h->frames.next[i] );
2103 for( i = 0; h->frames.unused[i]; i++ )
2105 assert( h->frames.unused[i]->i_reference_count == 0 );
2106 x264_frame_delete( h->frames.unused[i] );
2111 for( i = h->param.i_threads - 1; i >= 0; i-- )
2113 x264_frame_t **frame;
2115 for( frame = h->thread[i]->frames.reference; *frame; frame++ )
2117 assert( (*frame)->i_reference_count > 0 );
2118 (*frame)->i_reference_count--;
2119 if( (*frame)->i_reference_count == 0 )
2120 x264_frame_delete( *frame );
2122 frame = &h->thread[i]->fdec;
2123 assert( (*frame)->i_reference_count > 0 );
2124 (*frame)->i_reference_count--;
2125 if( (*frame)->i_reference_count == 0 )
2126 x264_frame_delete( *frame );
2128 x264_macroblock_cache_end( h->thread[i] );
2129 x264_free( h->thread[i]->out.p_bitstream );
2130 x264_free( h->thread[i] );