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"
37 #include "common/visualize.h"
40 //#define DEBUG_MB_TYPE
42 #define NALU_OVERHEAD 5 // startcode + NAL type costs 5 bytes per frame
44 #define bs_write_ue bs_write_ue_big
46 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
47 x264_nal_t **pp_nal, int *pi_nal,
48 x264_picture_t *pic_out );
50 /****************************************************************************
52 ******************************* x264 libs **********************************
54 ****************************************************************************/
55 static float x264_psnr( int64_t i_sqe, int64_t i_size )
57 double f_mse = (double)i_sqe / ((double)65025.0 * (double)i_size);
58 if( f_mse <= 0.0000000001 ) /* Max 100dB */
61 return (float)(-10.0 * log( f_mse ) / log( 10.0 ));
64 static void x264_frame_dump( x264_t *h )
66 FILE *f = fopen( h->param.psz_dump_yuv, "r+b" );
70 /* Write the frame in display order */
71 fseek( f, (uint64_t)h->fdec->i_frame * h->param.i_height * h->param.i_width * 3/2, SEEK_SET );
72 for( i = 0; i < h->fdec->i_plane; i++ )
73 for( y = 0; y < h->param.i_height >> !!i; y++ )
74 fwrite( &h->fdec->plane[i][y*h->fdec->i_stride[i]], 1, h->param.i_width >> !!i, f );
79 /* Fill "default" values */
80 static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
81 x264_sps_t *sps, x264_pps_t *pps,
82 int i_idr_pic_id, int i_frame, int i_qp )
84 x264_param_t *param = &h->param;
87 /* First we fill all fields */
92 sh->i_last_mb = h->mb.i_mb_count - 1;
93 sh->i_pps_id = pps->i_id;
95 sh->i_frame_num = i_frame;
97 sh->b_mbaff = h->param.b_interlaced;
98 sh->b_field_pic = 0; /* no field support for now */
99 sh->b_bottom_field = 0; /* not yet used */
101 sh->i_idr_pic_id = i_idr_pic_id;
103 /* poc stuff, fixed later */
105 sh->i_delta_poc_bottom = 0;
106 sh->i_delta_poc[0] = 0;
107 sh->i_delta_poc[1] = 0;
109 sh->i_redundant_pic_cnt = 0;
111 h->mb.b_direct_auto_write = h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
113 && ( h->param.rc.b_stat_write || !h->param.rc.b_stat_read );
115 if( !h->mb.b_direct_auto_read && sh->i_type == SLICE_TYPE_B )
117 if( h->fref1[0]->i_poc_l0ref0 == h->fref0[0]->i_poc )
119 if( h->mb.b_direct_auto_write )
120 sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] );
122 sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL );
126 h->mb.b_direct_auto_write = 0;
127 sh->b_direct_spatial_mv_pred = 1;
130 /* else b_direct_spatial_mv_pred was read from the 2pass statsfile */
132 sh->b_num_ref_idx_override = 0;
133 sh->i_num_ref_idx_l0_active = 1;
134 sh->i_num_ref_idx_l1_active = 1;
136 sh->b_ref_pic_list_reordering_l0 = h->b_ref_reorder[0];
137 sh->b_ref_pic_list_reordering_l1 = h->b_ref_reorder[1];
139 /* If the ref list isn't in the default order, construct reordering header */
140 /* List1 reordering isn't needed yet */
141 if( sh->b_ref_pic_list_reordering_l0 )
143 int pred_frame_num = i_frame;
144 for( i = 0; i < h->i_ref0; i++ )
146 int diff = h->fref0[i]->i_frame_num - pred_frame_num;
148 x264_log( h, X264_LOG_ERROR, "diff frame num == 0\n" );
149 sh->ref_pic_list_order[0][i].idc = ( diff > 0 );
150 sh->ref_pic_list_order[0][i].arg = abs( diff ) - 1;
151 pred_frame_num = h->fref0[i]->i_frame_num;
155 sh->i_cabac_init_idc = param->i_cabac_init_idc;
158 sh->i_qp_delta = i_qp - pps->i_pic_init_qp;
159 sh->b_sp_for_swidth = 0;
162 /* If effective qp <= 15, deblocking would have no effect anyway */
163 if( param->b_deblocking_filter
164 && ( h->mb.b_variable_qp
165 || 15 < i_qp + 2 * X264_MIN(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta) ) )
167 sh->i_disable_deblocking_filter_idc = 0;
171 sh->i_disable_deblocking_filter_idc = 1;
173 sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1;
174 sh->i_beta_offset = param->i_deblocking_filter_beta << 1;
177 static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc )
183 assert( sh->i_first_mb % (2*sh->sps->i_mb_width) == 0 );
184 bs_write_ue( s, sh->i_first_mb >> 1 );
187 bs_write_ue( s, sh->i_first_mb );
189 bs_write_ue( s, sh->i_type + 5 ); /* same type things */
190 bs_write_ue( s, sh->i_pps_id );
191 bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num & ((1<<sh->sps->i_log2_max_frame_num)-1) );
193 if( !sh->sps->b_frame_mbs_only )
195 bs_write1( s, sh->b_field_pic );
196 if( sh->b_field_pic )
197 bs_write1( s, sh->b_bottom_field );
200 if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */
202 bs_write_ue( s, sh->i_idr_pic_id );
205 if( sh->sps->i_poc_type == 0 )
207 bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc_lsb & ((1<<sh->sps->i_log2_max_poc_lsb)-1) );
208 if( sh->pps->b_pic_order && !sh->b_field_pic )
210 bs_write_se( s, sh->i_delta_poc_bottom );
213 else if( sh->sps->i_poc_type == 1 && !sh->sps->b_delta_pic_order_always_zero )
215 bs_write_se( s, sh->i_delta_poc[0] );
216 if( sh->pps->b_pic_order && !sh->b_field_pic )
218 bs_write_se( s, sh->i_delta_poc[1] );
222 if( sh->pps->b_redundant_pic_cnt )
224 bs_write_ue( s, sh->i_redundant_pic_cnt );
227 if( sh->i_type == SLICE_TYPE_B )
229 bs_write1( s, sh->b_direct_spatial_mv_pred );
231 if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP || sh->i_type == SLICE_TYPE_B )
233 bs_write1( s, sh->b_num_ref_idx_override );
234 if( sh->b_num_ref_idx_override )
236 bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 );
237 if( sh->i_type == SLICE_TYPE_B )
239 bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 );
244 /* ref pic list reordering */
245 if( sh->i_type != SLICE_TYPE_I )
247 bs_write1( s, sh->b_ref_pic_list_reordering_l0 );
248 if( sh->b_ref_pic_list_reordering_l0 )
250 for( i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
252 bs_write_ue( s, sh->ref_pic_list_order[0][i].idc );
253 bs_write_ue( s, sh->ref_pic_list_order[0][i].arg );
259 if( sh->i_type == SLICE_TYPE_B )
261 bs_write1( s, sh->b_ref_pic_list_reordering_l1 );
262 if( sh->b_ref_pic_list_reordering_l1 )
264 for( i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
266 bs_write_ue( s, sh->ref_pic_list_order[1][i].idc );
267 bs_write_ue( s, sh->ref_pic_list_order[1][i].arg );
273 if( sh->pps->b_weighted_pred && ( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP ) )
275 /* pred_weight_table() */
276 bs_write_ue( s, sh->weight[0][0].i_denom );
277 bs_write_ue( s, sh->weight[0][1].i_denom );
278 for( i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
280 int luma_weight_l0_flag = !!sh->weight[i][0].weightfn;
281 int chroma_weight_l0_flag = !!sh->weight[i][1].weightfn || !!sh->weight[i][2].weightfn;
282 bs_write1( s, luma_weight_l0_flag );
283 if( luma_weight_l0_flag )
285 bs_write_se( s, sh->weight[i][0].i_scale );
286 bs_write_se( s, sh->weight[i][0].i_offset );
288 bs_write1( s, chroma_weight_l0_flag );
289 if( chroma_weight_l0_flag )
292 for( j = 1; j < 3; j++ )
294 bs_write_se( s, sh->weight[i][j].i_scale );
295 bs_write_se( s, sh->weight[i][j].i_offset );
300 else if( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B )
305 if( i_nal_ref_idc != 0 )
307 if( sh->i_idr_pic_id >= 0 )
309 bs_write1( s, 0 ); /* no output of prior pics flag */
310 bs_write1( s, 0 ); /* long term reference flag */
314 bs_write1( s, sh->i_mmco_command_count > 0 ); /* adaptive_ref_pic_marking_mode_flag */
315 if( sh->i_mmco_command_count > 0 )
318 for( i = 0; i < sh->i_mmco_command_count; i++ )
320 bs_write_ue( s, 1 ); /* mark short term ref as unused */
321 bs_write_ue( s, sh->mmco[i].i_difference_of_pic_nums - 1 );
323 bs_write_ue( s, 0 ); /* end command list */
328 if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I )
330 bs_write_ue( s, sh->i_cabac_init_idc );
332 bs_write_se( s, sh->i_qp_delta ); /* slice qp delta */
334 if( sh->pps->b_deblocking_filter_control )
336 bs_write_ue( s, sh->i_disable_deblocking_filter_idc );
337 if( sh->i_disable_deblocking_filter_idc != 1 )
339 bs_write_se( s, sh->i_alpha_c0_offset >> 1 );
340 bs_write_se( s, sh->i_beta_offset >> 1 );
345 /* If we are within a reasonable distance of the end of the memory allocated for the bitstream, */
346 /* reallocate, adding an arbitrary amount of space (100 kilobytes). */
347 static int x264_bitstream_check_buffer( x264_t *h )
349 uint8_t *bs_bak = h->out.p_bitstream;
350 if( ( h->param.b_cabac && (h->cabac.p_end - h->cabac.p < 2500) )
351 || ( h->out.bs.p_end - h->out.bs.p < 2500 ) )
356 h->out.i_bitstream += 100000;
357 CHECKED_MALLOC( h->out.p_bitstream, h->out.i_bitstream );
358 h->mc.memcpy_aligned( h->out.p_bitstream, bs_bak, (h->out.i_bitstream - 100000) & ~15 );
359 delta = h->out.p_bitstream - bs_bak;
361 h->out.bs.p_start += delta;
362 h->out.bs.p += delta;
363 h->out.bs.p_end = h->out.p_bitstream + h->out.i_bitstream;
365 h->cabac.p_start += delta;
367 h->cabac.p_end = h->out.p_bitstream + h->out.i_bitstream;
369 for( i = 0; i <= h->out.i_nal; i++ )
370 h->out.nal[i].p_payload += delta;
379 /****************************************************************************
381 ****************************************************************************
382 ****************************** External API*********************************
383 ****************************************************************************
385 ****************************************************************************/
387 static int x264_validate_parameters( x264_t *h )
390 if( !(x264_cpu_detect() & X264_CPU_SSE) )
392 x264_log( h, X264_LOG_ERROR, "your cpu does not support SSE1, but x264 was compiled with asm support\n");
393 x264_log( h, X264_LOG_ERROR, "to run x264, recompile without asm support (configure --disable-asm)\n");
397 if( h->param.i_width <= 0 || h->param.i_height <= 0 )
399 x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
400 h->param.i_width, h->param.i_height );
404 if( h->param.i_width % 2 || h->param.i_height % 2 )
406 x264_log( h, X264_LOG_ERROR, "width or height not divisible by 2 (%dx%d)\n",
407 h->param.i_width, h->param.i_height );
410 int i_csp = h->param.i_csp & X264_CSP_MASK;
411 if( i_csp != X264_CSP_I420 && i_csp != X264_CSP_YV12 )
413 x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420/YV12 supported)\n" );
417 if( h->param.i_threads == X264_THREADS_AUTO )
418 h->param.i_threads = x264_cpu_num_processors() * (h->param.b_sliced_threads?2:3)/2;
419 h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
420 if( h->param.i_threads > 1 )
423 x264_log( h, X264_LOG_WARNING, "not compiled with pthread support!\n");
424 h->param.i_threads = 1;
426 /* Avoid absurdly small thread slices as they can reduce performance
427 * and VBV compliance. Capped at an arbitrary 4 rows per thread. */
428 if( h->param.b_sliced_threads )
430 int max_threads = (h->param.i_height+15)/16 / 4;
431 h->param.i_threads = X264_MIN( h->param.i_threads, max_threads );
435 h->param.b_sliced_threads = 0;
436 h->i_thread_frames = h->param.b_sliced_threads ? 1 : h->param.i_threads;
438 if( h->param.b_interlaced )
440 if( h->param.analyse.i_me_method >= X264_ME_ESA )
442 x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
443 h->param.analyse.i_me_method = X264_ME_UMH;
445 if( h->param.analyse.i_weighted_pred > 0 )
447 x264_log( h, X264_LOG_WARNING, "interlace + weightp is not implemented\n" );
448 h->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
452 /* Detect default ffmpeg settings and terminate with an error. */
455 score += h->param.analyse.i_me_range == 0;
456 score += h->param.rc.i_qp_step == 3;
457 score += h->param.i_keyint_max == 12;
458 score += h->param.rc.i_qp_min == 2;
459 score += h->param.rc.i_qp_max == 31;
460 score += h->param.rc.f_qcompress == 0.5;
461 score += fabs(h->param.rc.f_ip_factor - 1.25) < 0.01;
462 score += fabs(h->param.rc.f_pb_factor - 1.25) < 0.01;
463 score += h->param.analyse.inter == 0 && h->param.analyse.i_subpel_refine == 8;
466 x264_log( h, X264_LOG_ERROR, "broken ffmpeg default settings detected\n" );
467 x264_log( h, X264_LOG_ERROR, "use an encoding preset (vpre)\n" );
472 if( h->param.rc.i_rc_method < 0 || h->param.rc.i_rc_method > 2 )
474 x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" );
477 h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, 0, 51 );
478 h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, 51 );
479 if( h->param.rc.i_rc_method == X264_RC_CRF )
481 h->param.rc.i_qp_constant = h->param.rc.f_rf_constant;
482 h->param.rc.i_bitrate = 0;
484 if( (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF)
485 && h->param.rc.i_qp_constant == 0 )
487 h->mb.b_lossless = 1;
488 h->param.i_cqm_preset = X264_CQM_FLAT;
489 h->param.psz_cqm_file = NULL;
490 h->param.rc.i_rc_method = X264_RC_CQP;
491 h->param.rc.f_ip_factor = 1;
492 h->param.rc.f_pb_factor = 1;
493 h->param.analyse.b_psnr = 0;
494 h->param.analyse.b_ssim = 0;
495 h->param.analyse.i_chroma_qp_offset = 0;
496 h->param.analyse.i_trellis = 0;
497 h->param.analyse.b_fast_pskip = 0;
498 h->param.analyse.i_noise_reduction = 0;
499 h->param.analyse.f_psy_rd = 0;
500 h->param.i_bframe = 0;
501 /* 8x8dct is not useful at all in CAVLC lossless */
502 if( !h->param.b_cabac )
503 h->param.analyse.b_transform_8x8 = 0;
505 if( h->param.rc.i_rc_method == X264_RC_CQP )
507 float qp_p = h->param.rc.i_qp_constant;
508 float qp_i = qp_p - 6*log(h->param.rc.f_ip_factor)/log(2);
509 float qp_b = qp_p + 6*log(h->param.rc.f_pb_factor)/log(2);
510 h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, 51 );
511 h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, 51 );
512 h->param.rc.i_aq_mode = 0;
513 h->param.rc.b_mb_tree = 0;
515 h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, 51 );
516 h->param.rc.i_qp_min = x264_clip3( h->param.rc.i_qp_min, 0, h->param.rc.i_qp_max );
517 if( h->param.rc.i_vbv_buffer_size )
519 if( h->param.rc.i_rc_method == X264_RC_CQP )
521 x264_log( h, X264_LOG_WARNING, "VBV is incompatible with constant QP, ignored.\n" );
522 h->param.rc.i_vbv_max_bitrate = 0;
523 h->param.rc.i_vbv_buffer_size = 0;
525 else if( h->param.rc.i_vbv_max_bitrate == 0 )
527 if( h->param.rc.i_rc_method == X264_RC_ABR )
529 x264_log( h, X264_LOG_WARNING, "VBV maxrate unspecified, assuming CBR\n" );
530 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate;
534 x264_log( h, X264_LOG_WARNING, "VBV bufsize set but maxrate unspecified, ignored\n" );
535 h->param.rc.i_vbv_buffer_size = 0;
538 else if( h->param.rc.i_vbv_max_bitrate < h->param.rc.i_bitrate &&
539 h->param.rc.i_rc_method == X264_RC_ABR )
541 x264_log( h, X264_LOG_WARNING, "max bitrate less than average bitrate, assuming CBR\n" );
542 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate;
545 else if( h->param.rc.i_vbv_max_bitrate )
547 x264_log( h, X264_LOG_WARNING, "VBV maxrate specified, but no bufsize, ignored\n" );
548 h->param.rc.i_vbv_max_bitrate = 0;
551 int max_slices = (h->param.i_height+((16<<h->param.b_interlaced)-1))/(16<<h->param.b_interlaced);
552 if( h->param.b_sliced_threads )
553 h->param.i_slice_count = x264_clip3( h->param.i_threads, 0, max_slices );
556 h->param.i_slice_count = x264_clip3( h->param.i_slice_count, 0, max_slices );
557 h->param.i_slice_max_size = X264_MAX( h->param.i_slice_max_size, 0 );
558 h->param.i_slice_max_mbs = X264_MAX( h->param.i_slice_max_mbs, 0 );
559 if( h->param.b_interlaced && h->param.i_slice_max_size )
561 x264_log( h, X264_LOG_WARNING, "interlaced + slice-max-size is not implemented\n" );
562 h->param.i_slice_max_size = 0;
564 if( h->param.b_interlaced && h->param.i_slice_max_mbs )
566 x264_log( h, X264_LOG_WARNING, "interlaced + slice-max-mbs is not implemented\n" );
567 h->param.i_slice_max_mbs = 0;
569 if( h->param.i_slice_max_mbs || h->param.i_slice_max_size )
570 h->param.i_slice_count = 0;
573 h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, 16 );
574 if( h->param.i_keyint_max <= 0 )
575 h->param.i_keyint_max = 1;
576 if( h->param.i_scenecut_threshold < 0 )
577 h->param.i_scenecut_threshold = 0;
578 if( !h->param.analyse.i_subpel_refine && h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
580 x264_log( h, X264_LOG_WARNING, "subme=0 + direct=temporal is not supported\n" );
581 h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
583 h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_BFRAME_MAX );
584 if( h->param.i_keyint_max == 1 )
586 h->param.i_bframe = 0;
587 h->param.b_intra_refresh = 0;
589 h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
590 if( h->param.i_bframe <= 1 )
591 h->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
592 h->param.i_bframe_pyramid = x264_clip3( h->param.i_bframe_pyramid, X264_B_PYRAMID_NONE, X264_B_PYRAMID_NORMAL );
593 if( !h->param.i_bframe )
595 h->param.i_bframe_adaptive = X264_B_ADAPT_NONE;
596 h->param.analyse.i_direct_mv_pred = 0;
597 h->param.analyse.b_weighted_bipred = 0;
599 if( h->param.b_intra_refresh && h->param.i_bframe_pyramid == X264_B_PYRAMID_NORMAL )
601 x264_log( h, X264_LOG_WARNING, "b-pyramid normal + intra-refresh is not supported\n" );
602 h->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
604 if( h->param.b_intra_refresh && h->param.i_frame_reference > 1 )
606 x264_log( h, X264_LOG_WARNING, "ref > 1 + intra-refresh is not supported\n" );
607 h->param.i_frame_reference = 1;
609 h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
610 h->param.rc.i_lookahead = x264_clip3( h->param.rc.i_lookahead, 0, X264_LOOKAHEAD_MAX );
612 int maxrate = X264_MAX( h->param.rc.i_vbv_max_bitrate, h->param.rc.i_bitrate );
613 float bufsize = maxrate ? (float)h->param.rc.i_vbv_buffer_size / maxrate : 0;
614 float fps = h->param.i_fps_num > 0 && h->param.i_fps_den > 0 ? (float) h->param.i_fps_num / h->param.i_fps_den : 25.0;
615 h->param.rc.i_lookahead = X264_MIN( h->param.rc.i_lookahead, X264_MAX( h->param.i_keyint_max, bufsize*fps ) );
618 if( !h->param.i_timebase_num || !h->param.i_timebase_den )
620 h->param.i_timebase_num = h->param.i_fps_den;
621 h->param.i_timebase_den = h->param.i_fps_num;
624 h->param.rc.f_qcompress = x264_clip3f( h->param.rc.f_qcompress, 0.0, 1.0 );
625 if( !h->param.rc.i_lookahead || h->param.i_keyint_max == 1 || h->param.rc.f_qcompress == 1 )
626 h->param.rc.b_mb_tree = 0;
627 if( h->param.rc.b_stat_read )
628 h->param.rc.i_lookahead = 0;
630 if( h->param.i_sync_lookahead )
631 h->param.i_sync_lookahead = x264_clip3( h->param.i_sync_lookahead, h->i_thread_frames + h->param.i_bframe, X264_LOOKAHEAD_MAX );
632 if( h->param.rc.b_stat_read || h->i_thread_frames == 1 )
633 h->param.i_sync_lookahead = 0;
635 h->param.i_sync_lookahead = 0;
638 h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 );
639 h->param.i_deblocking_filter_beta = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 );
640 h->param.analyse.i_luma_deadzone[0] = x264_clip3( h->param.analyse.i_luma_deadzone[0], 0, 32 );
641 h->param.analyse.i_luma_deadzone[1] = x264_clip3( h->param.analyse.i_luma_deadzone[1], 0, 32 );
643 h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 );
645 if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
646 h->param.i_cqm_preset = X264_CQM_FLAT;
648 if( h->param.analyse.i_me_method < X264_ME_DIA ||
649 h->param.analyse.i_me_method > X264_ME_TESA )
650 h->param.analyse.i_me_method = X264_ME_HEX;
651 if( h->param.analyse.i_me_range < 4 )
652 h->param.analyse.i_me_range = 4;
653 if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
654 h->param.analyse.i_me_range = 16;
655 if( h->param.analyse.i_me_method == X264_ME_TESA &&
656 (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) )
657 h->param.analyse.i_me_method = X264_ME_ESA;
658 h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 10 );
659 h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1;
660 h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16|
661 X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
662 h->param.analyse.intra &= X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
663 if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
664 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
665 if( !h->param.analyse.b_transform_8x8 )
667 h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
668 h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
670 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
671 if( !h->param.b_cabac )
672 h->param.analyse.i_trellis = 0;
673 h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
674 if( !h->param.analyse.b_psy )
676 h->param.analyse.f_psy_rd = 0;
677 h->param.analyse.f_psy_trellis = 0;
679 if( !h->param.analyse.i_trellis )
680 h->param.analyse.f_psy_trellis = 0;
681 h->param.analyse.f_psy_rd = x264_clip3f( h->param.analyse.f_psy_rd, 0, 10 );
682 h->param.analyse.f_psy_trellis = x264_clip3f( h->param.analyse.f_psy_trellis, 0, 10 );
683 if( h->param.analyse.i_subpel_refine < 6 )
684 h->param.analyse.f_psy_rd = 0;
685 h->mb.i_psy_rd = FIX8( h->param.analyse.f_psy_rd );
686 /* Psy RDO increases overall quantizers to improve the quality of luma--this indirectly hurts chroma quality */
687 /* so we lower the chroma QP offset to compensate */
688 /* This can be triggered repeatedly on multiple calls to parameter_validate, but since encoding
689 * uses the pps chroma qp offset not the param chroma qp offset, this is not a problem. */
691 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_rd < 0.25 ? 1 : 2;
692 h->mb.i_psy_trellis = FIX8( h->param.analyse.f_psy_trellis / 4 );
693 /* Psy trellis has a similar effect. */
694 if( h->mb.i_psy_trellis )
695 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_trellis < 0.25 ? 1 : 2;
696 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
697 h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 2 );
698 h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 );
699 if( h->param.rc.f_aq_strength == 0 )
700 h->param.rc.i_aq_mode = 0;
701 /* MB-tree requires AQ to be on, even if the strength is zero. */
702 if( !h->param.rc.i_aq_mode && h->param.rc.b_mb_tree )
704 h->param.rc.i_aq_mode = 1;
705 h->param.rc.f_aq_strength = 0;
707 h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 );
708 if( h->param.analyse.i_subpel_refine == 10 && (h->param.analyse.i_trellis != 2 || !h->param.rc.i_aq_mode) )
709 h->param.analyse.i_subpel_refine = 9;
712 const x264_level_t *l = x264_levels;
713 if( h->param.i_level_idc < 0 )
715 int maxrate_bak = h->param.rc.i_vbv_max_bitrate;
716 if( h->param.rc.i_rc_method == X264_RC_ABR && h->param.rc.i_vbv_buffer_size <= 0 )
717 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate * 2;
718 h->sps = h->sps_array;
719 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
720 do h->param.i_level_idc = l->level_idc;
721 while( l[1].level_idc && x264_validate_levels( h, 0 ) && l++ );
722 h->param.rc.i_vbv_max_bitrate = maxrate_bak;
726 while( l->level_idc && l->level_idc != h->param.i_level_idc )
728 if( l->level_idc == 0 )
730 x264_log( h, X264_LOG_ERROR, "invalid level_idc: %d\n", h->param.i_level_idc );
734 if( h->param.analyse.i_mv_range <= 0 )
735 h->param.analyse.i_mv_range = l->mv_range >> h->param.b_interlaced;
737 h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> h->param.b_interlaced);
740 h->param.analyse.i_weighted_pred = x264_clip3( h->param.analyse.i_weighted_pred, 0, X264_WEIGHTP_SMART );
741 if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy && !h->param.b_interlaced )
742 h->param.analyse.i_weighted_pred = X264_WEIGHTP_FAKE;
744 if( h->i_thread_frames > 1 )
746 int r = h->param.analyse.i_mv_range_thread;
750 // half of the available space is reserved and divided evenly among the threads,
751 // the rest is allocated to whichever thread is far enough ahead to use it.
752 // reserving more space increases quality for some videos, but costs more time
753 // in thread synchronization.
754 int max_range = (h->param.i_height + X264_THREAD_HEIGHT) / h->i_thread_frames - X264_THREAD_HEIGHT;
757 r = X264_MAX( r, h->param.analyse.i_me_range );
758 r = X264_MIN( r, h->param.analyse.i_mv_range );
759 // round up to use the whole mb row
760 r2 = (r & ~15) + ((-X264_THREAD_HEIGHT) & 15);
763 x264_log( h, X264_LOG_DEBUG, "using mv_range_thread = %d\n", r2 );
764 h->param.analyse.i_mv_range_thread = r2;
767 if( h->param.rc.f_qblur < 0 )
768 h->param.rc.f_qblur = 0;
769 if( h->param.rc.f_complexity_blur < 0 )
770 h->param.rc.f_complexity_blur = 0;
772 h->param.i_sps_id &= 31;
774 if( h->param.i_log_level < X264_LOG_INFO )
776 h->param.analyse.b_psnr = 0;
777 h->param.analyse.b_ssim = 0;
780 /* ensure the booleans are 0 or 1 so they can be used in math */
781 #define BOOLIFY(x) h->param.x = !!h->param.x
783 BOOLIFY( b_constrained_intra );
784 BOOLIFY( b_deblocking_filter );
785 BOOLIFY( b_deterministic );
786 BOOLIFY( b_sliced_threads );
787 BOOLIFY( b_interlaced );
788 BOOLIFY( b_intra_refresh );
789 BOOLIFY( b_visualize );
791 BOOLIFY( b_repeat_headers );
793 BOOLIFY( analyse.b_transform_8x8 );
794 BOOLIFY( analyse.b_weighted_bipred );
795 BOOLIFY( analyse.b_chroma_me );
796 BOOLIFY( analyse.b_mixed_references );
797 BOOLIFY( analyse.b_fast_pskip );
798 BOOLIFY( analyse.b_dct_decimate );
799 BOOLIFY( analyse.b_psy );
800 BOOLIFY( analyse.b_psnr );
801 BOOLIFY( analyse.b_ssim );
802 BOOLIFY( rc.b_stat_write );
803 BOOLIFY( rc.b_stat_read );
804 BOOLIFY( rc.b_mb_tree );
810 static void mbcmp_init( x264_t *h )
812 int satd = !h->mb.b_lossless && h->param.analyse.i_subpel_refine > 1;
813 memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad_aligned, sizeof(h->pixf.mbcmp) );
814 memcpy( h->pixf.mbcmp_unaligned, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp_unaligned) );
815 h->pixf.intra_mbcmp_x3_16x16 = satd ? h->pixf.intra_satd_x3_16x16 : h->pixf.intra_sad_x3_16x16;
816 h->pixf.intra_mbcmp_x3_8x8c = satd ? h->pixf.intra_satd_x3_8x8c : h->pixf.intra_sad_x3_8x8c;
817 h->pixf.intra_mbcmp_x3_4x4 = satd ? h->pixf.intra_satd_x3_4x4 : h->pixf.intra_sad_x3_4x4;
818 satd &= h->param.analyse.i_me_method == X264_ME_TESA;
819 memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) );
820 memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) );
821 memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) );
824 static void x264_set_aspect_ratio( x264_t *h, x264_param_t *param, int initial )
827 if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
829 int i_w = param->vui.i_sar_width;
830 int i_h = param->vui.i_sar_height;
831 int old_w = h->param.vui.i_sar_width;
832 int old_h = h->param.vui.i_sar_height;
834 x264_reduce_fraction( &i_w, &i_h );
836 while( i_w > 65535 || i_h > 65535 )
842 x264_reduce_fraction( &i_w, &i_h );
844 if( i_w != old_w || i_h != old_h || initial )
846 h->param.vui.i_sar_width = 0;
847 h->param.vui.i_sar_height = 0;
848 if( i_w == 0 || i_h == 0 )
849 x264_log( h, X264_LOG_WARNING, "cannot create valid sample aspect ratio\n" );
852 x264_log( h, initial?X264_LOG_INFO:X264_LOG_DEBUG, "using SAR=%d/%d\n", i_w, i_h );
853 h->param.vui.i_sar_width = i_w;
854 h->param.vui.i_sar_height = i_h;
860 /****************************************************************************
862 ****************************************************************************/
863 x264_t *x264_encoder_open( x264_param_t *param )
867 int i, qp, i_slicetype_length;
869 CHECKED_MALLOCZERO( h, sizeof(x264_t) );
871 /* Create a copy of param */
872 memcpy( &h->param, param, sizeof(x264_param_t) );
874 if( param->param_free )
875 param->param_free( param );
877 if( x264_validate_parameters( h ) < 0 )
880 if( h->param.psz_cqm_file )
881 if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
884 if( h->param.rc.psz_stat_out )
885 h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out );
886 if( h->param.rc.psz_stat_in )
887 h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
889 x264_set_aspect_ratio( h, &h->param, 1 );
891 x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
892 x264_reduce_fraction( &h->param.i_timebase_num, &h->param.i_timebase_den );
898 if( h->param.b_dts_compress )
900 /* h->i_dts_compress_multiplier == h->frames.i_bframe_delay + 1 */
901 h->i_dts_compress_multiplier = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 3 : 2) : 1;
902 if( h->i_dts_compress_multiplier != 1 )
903 x264_log( h, X264_LOG_DEBUG, "DTS compresion changed timebase: %d/%d -> %d/%d\n",
904 h->param.i_timebase_num, h->param.i_timebase_den,
905 h->param.i_timebase_num, h->param.i_timebase_den * h->i_dts_compress_multiplier );
906 h->param.i_timebase_den *= h->i_dts_compress_multiplier;
909 h->i_dts_compress_multiplier = 1;
911 h->sps = &h->sps_array[0];
912 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
914 h->pps = &h->pps_array[0];
915 x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps );
917 x264_validate_levels( h, 1 );
919 h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset;
921 if( x264_cqm_init( h ) < 0 )
924 h->mb.i_mb_count = h->sps->i_mb_width * h->sps->i_mb_height;
927 if( h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS )
928 h->frames.i_delay = X264_MAX(h->param.i_bframe,3)*4;
930 h->frames.i_delay = h->param.i_bframe;
931 if( h->param.rc.b_mb_tree || h->param.rc.i_vbv_buffer_size )
932 h->frames.i_delay = X264_MAX( h->frames.i_delay, h->param.rc.i_lookahead );
933 i_slicetype_length = h->frames.i_delay;
934 h->frames.i_delay += h->i_thread_frames - 1;
935 h->frames.i_delay = X264_MIN( h->frames.i_delay, X264_LOOKAHEAD_MAX );
936 h->frames.i_delay += h->param.i_sync_lookahead;
937 h->frames.i_bframe_delay = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 2 : 1) : 0;
939 h->frames.i_max_ref0 = h->param.i_frame_reference;
940 h->frames.i_max_ref1 = h->sps->vui.i_num_reorder_frames;
941 h->frames.i_max_dpb = h->sps->vui.i_max_dec_frame_buffering;
942 h->frames.b_have_lowres = !h->param.rc.b_stat_read
943 && ( h->param.rc.i_rc_method == X264_RC_ABR
944 || h->param.rc.i_rc_method == X264_RC_CRF
945 || h->param.i_bframe_adaptive
946 || h->param.i_scenecut_threshold
947 || h->param.rc.b_mb_tree
948 || h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART );
949 h->frames.b_have_lowres |= h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0;
950 h->frames.b_have_sub8x8_esa = !!(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
952 h->frames.i_last_keyframe = - h->param.i_keyint_max;
953 h->frames.i_input = 0;
955 CHECKED_MALLOCZERO( h->frames.unused[0], (h->frames.i_delay + 3) * sizeof(x264_frame_t *) );
956 /* Allocate room for max refs plus a few extra just in case. */
957 CHECKED_MALLOCZERO( h->frames.unused[1], (h->i_thread_frames + 20) * sizeof(x264_frame_t *) );
958 CHECKED_MALLOCZERO( h->frames.current, (h->param.i_sync_lookahead + h->param.i_bframe
959 + h->i_thread_frames + 3) * sizeof(x264_frame_t *) );
960 if( h->param.analyse.i_weighted_pred > 0 )
961 CHECKED_MALLOCZERO( h->frames.blank_unused, h->i_thread_frames * 4 * sizeof(x264_frame_t *) );
967 /* init CPU functions */
968 x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
969 x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
970 x264_predict_8x8_init( h->param.cpu, h->predict_8x8, &h->predict_8x8_filter );
971 x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
972 if( !h->param.b_cabac )
973 x264_init_vlc_tables();
974 x264_pixel_init( h->param.cpu, &h->pixf );
975 x264_dct_init( h->param.cpu, &h->dctf );
976 x264_zigzag_init( h->param.cpu, &h->zigzagf, h->param.b_interlaced );
977 x264_mc_init( h->param.cpu, &h->mc );
978 x264_quant_init( h, h->param.cpu, &h->quantf );
979 x264_deblock_init( h->param.cpu, &h->loopf );
980 x264_dct_init_weights();
984 p = buf + sprintf( buf, "using cpu capabilities:" );
985 for( i=0; x264_cpu_names[i].flags; i++ )
987 if( !strcmp(x264_cpu_names[i].name, "SSE2")
988 && h->param.cpu & (X264_CPU_SSE2_IS_FAST|X264_CPU_SSE2_IS_SLOW) )
990 if( !strcmp(x264_cpu_names[i].name, "SSE3")
991 && (h->param.cpu & X264_CPU_SSSE3 || !(h->param.cpu & X264_CPU_CACHELINE_64)) )
993 if( !strcmp(x264_cpu_names[i].name, "SSE4.1")
994 && (h->param.cpu & X264_CPU_SSE42) )
996 if( (h->param.cpu & x264_cpu_names[i].flags) == x264_cpu_names[i].flags
997 && (!i || x264_cpu_names[i].flags != x264_cpu_names[i-1].flags) )
998 p += sprintf( p, " %s", x264_cpu_names[i].name );
1001 p += sprintf( p, " none!" );
1002 x264_log( h, X264_LOG_INFO, "%s\n", buf );
1004 for( qp = h->param.rc.i_qp_min; qp <= h->param.rc.i_qp_max; qp++ )
1005 if( x264_analyse_init_costs( h, qp ) )
1007 if( x264_analyse_init_costs( h, X264_LOOKAHEAD_QP ) )
1009 if( h->cost_mv[1][2013] != 24 )
1011 x264_log( h, X264_LOG_ERROR, "MV cost test failed: x264 has been miscompiled!\n" );
1016 h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 4
1017 * ( h->param.rc.i_rc_method == X264_RC_ABR ? pow( 0.95, h->param.rc.i_qp_min )
1018 : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
1020 CHECKED_MALLOC( h->nal_buffer, h->out.i_bitstream * 3/2 + 4 );
1021 h->nal_buffer_size = h->out.i_bitstream * 3/2 + 4;
1024 for( i = 1; i < h->param.i_threads + !!h->param.i_sync_lookahead; i++ )
1025 CHECKED_MALLOC( h->thread[i], sizeof(x264_t) );
1027 if( x264_lookahead_init( h, i_slicetype_length ) )
1030 for( i = 0; i < h->param.i_threads; i++ )
1032 int init_nal_count = h->param.i_slice_count + 3;
1033 int allocate_threadlocal_data = !h->param.b_sliced_threads || !i;
1037 if( allocate_threadlocal_data )
1039 h->thread[i]->fdec = x264_frame_pop_unused( h, 1 );
1040 if( !h->thread[i]->fdec )
1044 h->thread[i]->fdec = h->thread[0]->fdec;
1046 CHECKED_MALLOC( h->thread[i]->out.p_bitstream, h->out.i_bitstream );
1047 /* Start each thread with room for init_nal_count NAL units; it'll realloc later if needed. */
1048 CHECKED_MALLOC( h->thread[i]->out.nal, init_nal_count*sizeof(x264_nal_t) );
1049 h->thread[i]->out.i_nals_allocated = init_nal_count;
1051 if( allocate_threadlocal_data && x264_macroblock_cache_init( h->thread[i] ) < 0 )
1055 /* Allocate scratch buffer */
1056 for( i = 0; i < h->param.i_threads + !!h->param.i_sync_lookahead; i++ )
1058 int buf_hpel = (h->fdec->i_width[0]+48) * sizeof(int16_t);
1059 int buf_ssim = h->param.analyse.b_ssim * 8 * (h->param.i_width/4+3) * sizeof(int);
1060 int me_range = X264_MIN(h->param.analyse.i_me_range, h->param.analyse.i_mv_range);
1061 int buf_tesa = (h->param.analyse.i_me_method >= X264_ME_ESA) *
1062 ((me_range*2+18) * sizeof(int16_t) + (me_range+4) * (me_range+1) * 4 * sizeof(mvsad_t));
1063 int buf_mbtree = h->param.rc.b_mb_tree * ((h->sps->i_mb_width+3)&~3) * sizeof(int);
1064 int buf_nnz = !h->param.b_cabac * h->pps->b_transform_8x8_mode * (h->sps->i_mb_width * 4 * 16 * sizeof(uint8_t));
1065 int scratch_size = X264_MAX4( buf_hpel, buf_ssim, buf_tesa, X264_MAX( buf_mbtree, buf_nnz ) );
1066 CHECKED_MALLOC( h->thread[i]->scratch_buffer, scratch_size );
1069 if( x264_ratecontrol_new( h ) < 0 )
1072 if( h->param.psz_dump_yuv )
1074 /* create or truncate the reconstructed video file */
1075 FILE *f = fopen( h->param.psz_dump_yuv, "w" );
1078 x264_log( h, X264_LOG_ERROR, "dump_yuv: can't write to %s\n", h->param.psz_dump_yuv );
1081 else if( !x264_is_regular_file( f ) )
1083 x264_log( h, X264_LOG_ERROR, "dump_yuv: incompatible with non-regular file %s\n", h->param.psz_dump_yuv );
1089 x264_log( h, X264_LOG_INFO, "profile %s, level %d.%d\n",
1090 h->sps->i_profile_idc == PROFILE_BASELINE ? "Baseline" :
1091 h->sps->i_profile_idc == PROFILE_MAIN ? "Main" :
1092 h->sps->i_profile_idc == PROFILE_HIGH ? "High" :
1093 "High 4:4:4 Predictive", h->sps->i_level_idc/10, h->sps->i_level_idc%10 );
1101 /****************************************************************************
1102 * x264_encoder_reconfig:
1103 ****************************************************************************/
1104 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
1106 h = h->thread[h->thread[0]->i_thread_phase];
1107 x264_set_aspect_ratio( h, param, 0 );
1108 #define COPY(var) h->param.var = param->var
1109 COPY( i_frame_reference ); // but never uses more refs than initially specified
1110 COPY( i_bframe_bias );
1111 if( h->param.i_scenecut_threshold )
1112 COPY( i_scenecut_threshold ); // can't turn it on or off, only vary the threshold
1113 COPY( b_deblocking_filter );
1114 COPY( i_deblocking_filter_alphac0 );
1115 COPY( i_deblocking_filter_beta );
1116 COPY( analyse.inter );
1117 COPY( analyse.intra );
1118 COPY( analyse.i_direct_mv_pred );
1119 /* Scratch buffer prevents me_range from being increased for esa/tesa */
1120 if( h->param.analyse.i_me_method < X264_ME_ESA || param->analyse.i_me_range < h->param.analyse.i_me_range )
1121 COPY( analyse.i_me_range );
1122 COPY( analyse.i_noise_reduction );
1123 /* We can't switch out of subme=0 during encoding. */
1124 if( h->param.analyse.i_subpel_refine )
1125 COPY( analyse.i_subpel_refine );
1126 COPY( analyse.i_trellis );
1127 COPY( analyse.b_chroma_me );
1128 COPY( analyse.b_dct_decimate );
1129 COPY( analyse.b_fast_pskip );
1130 COPY( analyse.b_mixed_references );
1131 COPY( analyse.f_psy_rd );
1132 COPY( analyse.f_psy_trellis );
1133 // can only twiddle these if they were enabled to begin with:
1134 if( h->param.analyse.i_me_method >= X264_ME_ESA || param->analyse.i_me_method < X264_ME_ESA )
1135 COPY( analyse.i_me_method );
1136 if( h->param.analyse.i_me_method >= X264_ME_ESA && !h->frames.b_have_sub8x8_esa )
1137 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
1138 if( h->pps->b_transform_8x8_mode )
1139 COPY( analyse.b_transform_8x8 );
1140 if( h->frames.i_max_ref1 > 1 )
1141 COPY( i_bframe_pyramid );
1142 COPY( i_slice_max_size );
1143 COPY( i_slice_max_mbs );
1144 COPY( i_slice_count );
1145 /* VBV can't be turned on if it wasn't on to begin with */
1146 if( h->param.rc.i_vbv_max_bitrate > 0 && h->param.rc.i_vbv_buffer_size > 0 &&
1147 param->rc.i_vbv_max_bitrate > 0 && param->rc.i_vbv_buffer_size > 0 )
1149 COPY( rc.i_vbv_max_bitrate );
1150 COPY( rc.i_vbv_buffer_size );
1151 COPY( rc.i_bitrate );
1153 COPY( rc.f_rf_constant );
1158 int ret = x264_validate_parameters( h );
1160 /* Supported reconfiguration options (1-pass only):
1164 * bitrate (CBR only) */
1166 x264_ratecontrol_init_reconfigurable( h, 0 );
1171 /****************************************************************************
1172 * x264_encoder_parameters:
1173 ****************************************************************************/
1174 void x264_encoder_parameters( x264_t *h, x264_param_t *param )
1176 memcpy( param, &h->thread[h->i_thread_phase]->param, sizeof(x264_param_t) );
1179 /* internal usage */
1180 static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
1182 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1184 nal->i_ref_idc = i_ref_idc;
1185 nal->i_type = i_type;
1188 nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1190 /* if number of allocated nals is not enough, re-allocate a larger one. */
1191 static int x264_nal_check_buffer( x264_t *h )
1193 if( h->out.i_nal >= h->out.i_nals_allocated )
1195 x264_nal_t *new_out = x264_malloc( sizeof(x264_nal_t) * (h->out.i_nals_allocated*2) );
1198 memcpy( new_out, h->out.nal, sizeof(x264_nal_t) * (h->out.i_nals_allocated) );
1199 x264_free( h->out.nal );
1200 h->out.nal = new_out;
1201 h->out.i_nals_allocated *= 2;
1205 static int x264_nal_end( x264_t *h )
1207 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1208 nal->i_payload = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8] - nal->p_payload;
1211 return x264_nal_check_buffer( h );
1214 static int x264_encoder_encapsulate_nals( x264_t *h )
1216 int nal_size = 0, i;
1217 for( i = 0; i < h->out.i_nal; i++ )
1218 nal_size += h->out.nal[i].i_payload;
1220 /* Worst-case NAL unit escaping: reallocate the buffer if it's too small. */
1221 if( h->nal_buffer_size < nal_size * 3/2 + h->out.i_nal * 4 )
1223 uint8_t *buf = x264_malloc( nal_size * 2 + h->out.i_nal * 4 );
1226 x264_free( h->nal_buffer );
1227 h->nal_buffer = buf;
1230 uint8_t *nal_buffer = h->nal_buffer;
1231 int long_startcode = 1;
1233 for( i = 0; i < h->out.i_nal; i++ )
1235 int size = x264_nal_encode( nal_buffer, &h->out.nal[i], h->param.b_annexb, long_startcode );
1236 /* Don't use long startcodes for any slice beyond the first. */
1237 if( h->out.nal[i].i_type >= NAL_SLICE && h->out.nal[i].i_type <= NAL_SLICE_IDR )
1239 h->out.nal[i].i_payload = size;
1240 h->out.nal[i].p_payload = nal_buffer;
1244 return nal_buffer - h->nal_buffer;
1247 /****************************************************************************
1248 * x264_encoder_headers:
1249 ****************************************************************************/
1250 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
1253 /* init bitstream context */
1255 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
1257 /* Write SEI, SPS and PPS. */
1258 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
1259 if( x264_sei_version_write( h, &h->out.bs ) )
1261 if( x264_nal_end( h ) )
1264 /* generate sequence parameters */
1265 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
1266 x264_sps_write( &h->out.bs, h->sps );
1267 if( x264_nal_end( h ) )
1270 /* generate picture parameters */
1271 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
1272 x264_pps_write( &h->out.bs, h->pps );
1273 if( x264_nal_end( h ) )
1276 frame_size = x264_encoder_encapsulate_nals( h );
1279 *pi_nal = h->out.i_nal;
1280 *pp_nal = &h->out.nal[0];
1286 /* Check to see whether we have chosen a reference list ordering different
1287 * from the standard's default. */
1288 static inline void x264_reference_check_reorder( x264_t *h )
1291 for( i = 0; i < h->i_ref0 - 1; i++ )
1292 /* P and B-frames use different default orders. */
1293 if( h->sh.i_type == SLICE_TYPE_P ? h->fref0[i]->i_frame_num < h->fref0[i+1]->i_frame_num
1294 : h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
1296 h->b_ref_reorder[0] = 1;
1301 /* return -1 on failure, else return the index of the new reference frame */
1302 int x264_weighted_reference_duplicate( x264_t *h, int i_ref, const x264_weight_t *w )
1306 x264_frame_t *newframe;
1307 if( i <= 1 ) /* empty list, definitely can't duplicate frame */
1310 /* Find a place to insert the duplicate in the reference list. */
1311 for( j = 0; j < i; j++ )
1312 if( h->fref0[i_ref]->i_frame != h->fref0[j]->i_frame )
1314 /* found a place, after j, make sure there is not already a duplicate there */
1315 if( j == i-1 || ( h->fref0[j+1] && h->fref0[i_ref]->i_frame != h->fref0[j+1]->i_frame ) )
1319 if( j == i ) /* No room in the reference list for the duplicate. */
1323 newframe = x264_frame_pop_blank_unused( h );
1325 //FIXME: probably don't need to copy everything
1326 *newframe = *h->fref0[i_ref];
1327 newframe->i_reference_count = 1;
1328 newframe->orig = h->fref0[i_ref];
1329 newframe->b_duplicate = 1;
1330 memcpy( h->fenc->weight[j], w, sizeof(h->fenc->weight[i]) );
1332 /* shift the frames to make space for the dupe. */
1333 h->b_ref_reorder[0] = 1;
1334 if( h->i_ref0 < 16 )
1336 h->fref0[15] = NULL;
1337 x264_frame_unshift( &h->fref0[j], newframe );
1342 static void x264_weighted_pred_init( x264_t *h )
1347 /* for now no analysis and set all weights to nothing */
1348 for( i_ref = 0; i_ref < h->i_ref0; i_ref++ )
1349 h->fenc->weighted[i_ref] = h->fref0[i_ref]->filtered[0];
1351 // FIXME: This only supports weighting of one reference frame
1352 // and duplicates of that frame.
1353 h->fenc->i_lines_weighted = 0;
1355 for( i_ref = 0; i_ref < (h->i_ref0 << h->sh.b_mbaff); i_ref++ )
1356 for( i = 0; i < 3; i++ )
1357 h->sh.weight[i_ref][i].weightfn = NULL;
1360 if( h->sh.i_type != SLICE_TYPE_P || h->param.analyse.i_weighted_pred <= 0 )
1363 int i_padv = PADV << h->param.b_interlaced;
1366 int buffer_next = 0;
1368 //FIXME: when chroma support is added, move this into loop
1369 h->sh.weight[0][1].weightfn = h->sh.weight[0][2].weightfn = NULL;
1370 h->sh.weight[0][1].i_denom = h->sh.weight[0][2].i_denom = 0;
1371 for( j = 0; j < h->i_ref0; j++ )
1373 if( h->fenc->weight[j][0].weightfn )
1375 h->sh.weight[j][0] = h->fenc->weight[j][0];
1376 // if weight is useless, don't write it to stream
1377 if( h->sh.weight[j][0].i_scale == 1<<h->sh.weight[j][0].i_denom && h->sh.weight[j][0].i_offset == 0 )
1378 h->sh.weight[j][0].weightfn = NULL;
1384 h->sh.weight[0][0].i_denom = denom = h->sh.weight[j][0].i_denom;
1385 assert( x264_clip3( denom, 0, 7 ) == denom );
1387 assert( h->sh.weight[j][0].i_denom == denom );
1388 assert( x264_clip3( h->sh.weight[j][0].i_scale, 0, 127 ) == h->sh.weight[j][0].i_scale );
1389 assert( x264_clip3( h->sh.weight[j][0].i_offset, -128, 127 ) == h->sh.weight[j][0].i_offset );
1390 h->fenc->weighted[j] = h->mb.p_weight_buf[buffer_next++] +
1391 h->fenc->i_stride[0] * i_padv + PADH;
1395 //scale full resolution frame
1396 if( h->sh.weight[j][0].weightfn && h->param.i_threads == 1 )
1398 uint8_t *src = h->fref0[j]->filtered[0] - h->fref0[j]->i_stride[0]*i_padv - PADH;
1399 uint8_t *dst = h->fenc->weighted[j] - h->fenc->i_stride[0]*i_padv - PADH;
1400 int stride = h->fenc->i_stride[0];
1401 int width = h->fenc->i_width[0] + PADH*2;
1402 int height = h->fenc->i_lines[0] + i_padv*2;
1403 x264_weight_scale_plane( h, dst, stride, src, stride, width, height, &h->sh.weight[j][0] );
1404 h->fenc->i_lines_weighted = height;
1408 h->sh.weight[0][0].i_denom = 0;
1411 static inline void x264_reference_build_list( x264_t *h, int i_poc )
1415 /* build ref list 0/1 */
1416 h->mb.pic.i_fref[0] = h->i_ref0 = 0;
1417 h->mb.pic.i_fref[1] = h->i_ref1 = 0;
1418 if( h->sh.i_type == SLICE_TYPE_I )
1421 for( i = 0; h->frames.reference[i]; i++ )
1423 if( h->frames.reference[i]->i_poc < i_poc )
1425 h->fref0[h->i_ref0++] = h->frames.reference[i];
1427 else if( h->frames.reference[i]->i_poc > i_poc )
1429 h->fref1[h->i_ref1++] = h->frames.reference[i];
1433 /* Order ref0 from higher to lower poc */
1437 for( i = 0; i < h->i_ref0 - 1; i++ )
1439 if( h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
1441 XCHG( x264_frame_t*, h->fref0[i], h->fref0[i+1] );
1448 if( h->sh.i_mmco_remove_from_end )
1449 for( i = h->i_ref0-1; i >= h->i_ref0 - h->sh.i_mmco_remove_from_end; i-- )
1451 int diff = h->i_frame_num - h->fref0[i]->i_frame_num;
1452 h->sh.mmco[h->sh.i_mmco_command_count].i_poc = h->fref0[i]->i_poc;
1453 h->sh.mmco[h->sh.i_mmco_command_count++].i_difference_of_pic_nums = diff;
1456 /* Order ref1 from lower to higher poc (bubble sort) for B-frame */
1460 for( i = 0; i < h->i_ref1 - 1; i++ )
1462 if( h->fref1[i]->i_poc > h->fref1[i+1]->i_poc )
1464 XCHG( x264_frame_t*, h->fref1[i], h->fref1[i+1] );
1471 x264_reference_check_reorder( h );
1473 h->i_ref1 = X264_MIN( h->i_ref1, h->frames.i_max_ref1 );
1474 h->i_ref0 = X264_MIN( h->i_ref0, h->frames.i_max_ref0 );
1475 h->i_ref0 = X264_MIN( h->i_ref0, h->param.i_frame_reference ); // if reconfig() has lowered the limit
1477 /* add duplicates */
1478 if( h->fenc->i_type == X264_TYPE_P )
1481 if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART )
1484 w[1].weightfn = w[2].weightfn = NULL;
1485 if( h->param.rc.b_stat_read )
1486 x264_ratecontrol_set_weights( h, h->fenc );
1488 if( !h->fenc->weight[0][0].weightfn )
1490 h->fenc->weight[0][0].i_denom = 0;
1491 SET_WEIGHT( w[0], 1, 1, 0, -1 );
1492 idx = x264_weighted_reference_duplicate( h, 0, w );
1496 if( h->fenc->weight[0][0].i_scale == 1<<h->fenc->weight[0][0].i_denom )
1498 SET_WEIGHT( h->fenc->weight[0][0], 1, 1, 0, h->fenc->weight[0][0].i_offset );
1500 x264_weighted_reference_duplicate( h, 0, weight_none );
1501 if( h->fenc->weight[0][0].i_offset > -128 )
1503 w[0] = h->fenc->weight[0][0];
1505 h->mc.weight_cache( h, &w[0] );
1506 idx = x264_weighted_reference_duplicate( h, 0, w );
1510 else if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_BLIND )
1512 //weighted offset=-1
1514 SET_WEIGHT( w[0], 1, 1, 0, -1 );
1515 h->fenc->weight[0][0].i_denom = 0;
1516 w[1].weightfn = w[2].weightfn = NULL;
1517 idx = x264_weighted_reference_duplicate( h, 0, w );
1519 h->mb.ref_blind_dupe = idx;
1522 assert( h->i_ref0 + h->i_ref1 <= 16 );
1523 h->mb.pic.i_fref[0] = h->i_ref0;
1524 h->mb.pic.i_fref[1] = h->i_ref1;
1527 static void x264_fdec_filter_row( x264_t *h, int mb_y )
1529 /* mb_y is the mb to be encoded next, not the mb to be filtered here */
1530 int b_hpel = h->fdec->b_kept_as_ref;
1531 int b_deblock = !h->sh.i_disable_deblocking_filter_idc;
1532 int b_end = mb_y == h->sps->i_mb_height;
1533 int min_y = mb_y - (1 << h->sh.b_mbaff);
1534 int max_y = b_end ? h->sps->i_mb_height : mb_y;
1535 b_deblock &= b_hpel || h->param.psz_dump_yuv;
1536 if( mb_y & h->sh.b_mbaff )
1541 if( !b_end && !h->param.b_sliced_threads )
1544 for( j=0; j<=h->sh.b_mbaff; j++ )
1545 for( i=0; i<3; i++ )
1547 memcpy( h->mb.intra_border_backup[j][i],
1548 h->fdec->plane[i] + ((mb_y*16 >> !!i) + j - 1 - h->sh.b_mbaff) * h->fdec->i_stride[i],
1549 h->sps->i_mb_width*16 >> !!i );
1556 for( y = min_y; y < max_y; y += (1 << h->sh.b_mbaff) )
1557 x264_frame_deblock_row( h, y );
1562 x264_frame_expand_border( h, h->fdec, min_y, b_end );
1563 if( h->param.analyse.i_subpel_refine )
1565 x264_frame_filter( h, h->fdec, min_y, b_end );
1566 x264_frame_expand_border_filtered( h, h->fdec, min_y, b_end );
1570 if( h->i_thread_frames > 1 && h->fdec->b_kept_as_ref )
1571 x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << h->sh.b_mbaff)) );
1573 min_y = X264_MAX( min_y*16-8, 0 );
1574 max_y = b_end ? h->param.i_height : mb_y*16-8;
1576 if( h->param.analyse.b_psnr )
1579 for( i=0; i<3; i++ )
1580 h->stat.frame.i_ssd[i] +=
1581 x264_pixel_ssd_wxh( &h->pixf,
1582 h->fdec->plane[i] + (min_y>>!!i) * h->fdec->i_stride[i], h->fdec->i_stride[i],
1583 h->fenc->plane[i] + (min_y>>!!i) * h->fenc->i_stride[i], h->fenc->i_stride[i],
1584 h->param.i_width >> !!i, (max_y-min_y) >> !!i );
1587 if( h->param.analyse.b_ssim )
1590 /* offset by 2 pixels to avoid alignment of ssim blocks with dct blocks,
1591 * and overlap by 4 */
1592 min_y += min_y == 0 ? 2 : -6;
1593 h->stat.frame.f_ssim +=
1594 x264_pixel_ssim_wxh( &h->pixf,
1595 h->fdec->plane[0] + 2+min_y*h->fdec->i_stride[0], h->fdec->i_stride[0],
1596 h->fenc->plane[0] + 2+min_y*h->fenc->i_stride[0], h->fenc->i_stride[0],
1597 h->param.i_width-2, max_y-min_y, h->scratch_buffer );
1601 static inline int x264_reference_update( x264_t *h )
1604 if( !h->fdec->b_kept_as_ref )
1606 if( h->i_thread_frames > 1 )
1608 x264_frame_push_unused( h, h->fdec );
1609 h->fdec = x264_frame_pop_unused( h, 1 );
1616 /* apply mmco from previous frame. */
1617 for( i = 0; i < h->sh.i_mmco_command_count; i++ )
1618 for( j = 0; h->frames.reference[j]; j++ )
1619 if( h->frames.reference[j]->i_poc == h->sh.mmco[i].i_poc )
1620 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[j] ) );
1622 /* move frame in the buffer */
1623 x264_frame_push( h->frames.reference, h->fdec );
1624 if( h->frames.reference[h->sps->i_num_ref_frames] )
1625 x264_frame_push_unused( h, x264_frame_shift( h->frames.reference ) );
1626 h->fdec = x264_frame_pop_unused( h, 1 );
1632 static inline void x264_reference_reset( x264_t *h )
1634 while( h->frames.reference[0] )
1635 x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
1640 static inline void x264_reference_hierarchy_reset( x264_t *h )
1643 int b_hasdelayframe = 0;
1644 if( !h->param.i_bframe_pyramid )
1647 /* look for delay frames -- chain must only contain frames that are disposable */
1648 for( i = 0; h->frames.current[i] && IS_DISPOSABLE( h->frames.current[i]->i_type ); i++ )
1649 b_hasdelayframe |= h->frames.current[i]->i_coded
1650 != h->frames.current[i]->i_frame + h->sps->vui.i_num_reorder_frames;
1652 if( h->param.i_bframe_pyramid != X264_B_PYRAMID_STRICT && !b_hasdelayframe )
1655 /* Remove last BREF. There will never be old BREFs in the
1656 * dpb during a BREF decode when pyramid == STRICT */
1657 for( ref = 0; h->frames.reference[ref]; ref++ )
1659 if( h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT
1660 && h->frames.reference[ref]->i_type == X264_TYPE_BREF )
1662 int diff = h->i_frame_num - h->frames.reference[ref]->i_frame_num;
1663 h->sh.mmco[h->sh.i_mmco_command_count].i_difference_of_pic_nums = diff;
1664 h->sh.mmco[h->sh.i_mmco_command_count++].i_poc = h->frames.reference[ref]->i_poc;
1665 x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
1666 h->b_ref_reorder[0] = 1;
1671 /* Prepare to room in the dpb for the delayed display time of the later b-frame's */
1672 h->sh.i_mmco_remove_from_end = X264_MAX( ref + 2 - h->frames.i_max_dpb, 0 );
1675 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
1677 /* ------------------------ Create slice header ----------------------- */
1678 if( i_nal_type == NAL_SLICE_IDR )
1680 x264_slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp );
1683 h->i_idr_pic_id = ( h->i_idr_pic_id + 1 ) % 65536;
1687 x264_slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp );
1689 /* always set the real higher num of ref frame used */
1690 h->sh.b_num_ref_idx_override = 1;
1691 h->sh.i_num_ref_idx_l0_active = h->i_ref0 <= 0 ? 1 : h->i_ref0;
1692 h->sh.i_num_ref_idx_l1_active = h->i_ref1 <= 0 ? 1 : h->i_ref1;
1695 h->fdec->i_frame_num = h->sh.i_frame_num;
1697 if( h->sps->i_poc_type == 0 )
1699 h->sh.i_poc_lsb = h->fdec->i_poc & ( (1 << h->sps->i_log2_max_poc_lsb) - 1 );
1700 h->sh.i_delta_poc_bottom = 0;
1702 else if( h->sps->i_poc_type == 1 )
1704 /* FIXME TODO FIXME */
1708 /* Nothing to do ? */
1711 x264_macroblock_slice_init( h );
1714 static int x264_slice_write( x264_t *h )
1717 int mb_xy, i_mb_x, i_mb_y;
1718 int i, i_list, i_ref, i_skip_bak = 0; /* Shut up GCC. */
1720 x264_cabac_t cabac_bak;
1721 uint8_t cabac_prevbyte_bak = 0; /* Shut up GCC. */
1722 /* Assume no more than 3 bytes of NALU escaping.
1723 * Slices other than the first use a 3-byte startcode. */
1724 int overhead_guess = (NALU_OVERHEAD - (h->param.b_annexb && h->sh.i_first_mb)) + 3;
1725 int slice_max_size = h->param.i_slice_max_size > 0 ? (h->param.i_slice_max_size-overhead_guess)*8 : INT_MAX;
1726 int starting_bits = bs_pos(&h->out.bs);
1727 bs_realign( &h->out.bs );
1730 x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
1733 x264_macroblock_thread_init( h );
1734 x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
1735 if( h->param.b_cabac )
1737 /* alignment needed */
1738 bs_align_1( &h->out.bs );
1741 x264_cabac_context_init( &h->cabac, h->sh.i_type, h->sh.i_qp, h->sh.i_cabac_init_idc );
1742 x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
1744 h->mb.i_last_qp = h->sh.i_qp;
1745 h->mb.i_last_dqp = 0;
1747 i_mb_y = h->sh.i_first_mb / h->sps->i_mb_width;
1748 i_mb_x = h->sh.i_first_mb % h->sps->i_mb_width;
1751 while( (mb_xy = i_mb_x + i_mb_y * h->sps->i_mb_width) <= h->sh.i_last_mb )
1753 int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
1754 if( h->param.i_slice_max_size > 0 )
1756 /* We don't need the contexts because flushing the CABAC encoder has no context
1757 * dependency and macroblocks are only re-encoded in the case where a slice is
1758 * ended (and thus the content of all contexts are thrown away). */
1759 if( h->param.b_cabac )
1761 memcpy( &cabac_bak, &h->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
1762 /* x264's CABAC writer modifies the previous byte during carry, so it has to be
1764 cabac_prevbyte_bak = h->cabac.p[-1];
1769 i_skip_bak = i_skip;
1773 if( i_mb_x == 0 && !h->mb.b_reencode_mb && !h->param.b_sliced_threads )
1774 x264_fdec_filter_row( h, i_mb_y );
1777 x264_macroblock_cache_load( h, i_mb_x, i_mb_y );
1779 x264_macroblock_analyse( h );
1781 /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
1782 x264_macroblock_encode( h );
1784 if( x264_bitstream_check_buffer( h ) )
1787 if( h->param.b_cabac )
1789 if( mb_xy > h->sh.i_first_mb && !(h->sh.b_mbaff && (i_mb_y&1)) )
1790 x264_cabac_encode_terminal( &h->cabac );
1792 if( IS_SKIP( h->mb.i_type ) )
1793 x264_cabac_mb_skip( h, 1 );
1796 if( h->sh.i_type != SLICE_TYPE_I )
1797 x264_cabac_mb_skip( h, 0 );
1798 x264_macroblock_write_cabac( h, &h->cabac );
1803 if( IS_SKIP( h->mb.i_type ) )
1807 if( h->sh.i_type != SLICE_TYPE_I )
1809 bs_write_ue( &h->out.bs, i_skip ); /* skip run */
1812 x264_macroblock_write_cavlc( h );
1816 int total_bits = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
1817 int mb_size = total_bits - mb_spos;
1819 /* We'll just re-encode this last macroblock if we go over the max slice size. */
1820 if( total_bits - starting_bits > slice_max_size && !h->mb.b_reencode_mb )
1822 if( mb_xy != h->sh.i_first_mb )
1824 if( h->param.b_cabac )
1826 memcpy( &h->cabac, &cabac_bak, offsetof(x264_cabac_t, f8_bits_encoded) );
1827 h->cabac.p[-1] = cabac_prevbyte_bak;
1832 i_skip = i_skip_bak;
1834 h->mb.b_reencode_mb = 1;
1835 h->sh.i_last_mb = mb_xy-1;
1840 h->sh.i_last_mb = mb_xy;
1841 h->mb.b_reencode_mb = 0;
1845 h->mb.b_reencode_mb = 0;
1847 #ifdef HAVE_VISUALIZE
1848 if( h->param.b_visualize )
1849 x264_visualize_mb( h );
1853 x264_macroblock_cache_save( h );
1855 /* accumulate mb stats */
1856 h->stat.frame.i_mb_count[h->mb.i_type]++;
1858 if( !IS_INTRA(h->mb.i_type) && !IS_SKIP(h->mb.i_type) && !IS_DIRECT(h->mb.i_type) )
1860 if( h->mb.i_partition != D_8x8 )
1861 h->stat.frame.i_mb_partition[h->mb.i_partition] += 4;
1863 for( i = 0; i < 4; i++ )
1864 h->stat.frame.i_mb_partition[h->mb.i_sub_partition[i]] ++;
1865 if( h->param.i_frame_reference > 1 )
1866 for( i_list = 0; i_list <= (h->sh.i_type == SLICE_TYPE_B); i_list++ )
1867 for( i = 0; i < 4; i++ )
1869 i_ref = h->mb.cache.ref[i_list][ x264_scan8[4*i] ];
1871 h->stat.frame.i_mb_count_ref[i_list][i_ref] ++;
1875 if( h->param.i_log_level >= X264_LOG_INFO )
1877 if( h->mb.i_cbp_luma || h->mb.i_cbp_chroma )
1879 int cbpsum = (h->mb.i_cbp_luma&1) + ((h->mb.i_cbp_luma>>1)&1)
1880 + ((h->mb.i_cbp_luma>>2)&1) + (h->mb.i_cbp_luma>>3);
1881 int b_intra = IS_INTRA(h->mb.i_type);
1882 h->stat.frame.i_mb_cbp[!b_intra + 0] += cbpsum;
1883 h->stat.frame.i_mb_cbp[!b_intra + 2] += h->mb.i_cbp_chroma >= 1;
1884 h->stat.frame.i_mb_cbp[!b_intra + 4] += h->mb.i_cbp_chroma == 2;
1886 if( h->mb.i_cbp_luma && !IS_INTRA(h->mb.i_type) )
1888 h->stat.frame.i_mb_count_8x8dct[0] ++;
1889 h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
1891 if( IS_INTRA(h->mb.i_type) && h->mb.i_type != I_PCM )
1893 if( h->mb.i_type == I_16x16 )
1894 h->stat.frame.i_mb_pred_mode[0][h->mb.i_intra16x16_pred_mode]++;
1895 else if( h->mb.i_type == I_8x8 )
1896 for( i = 0; i < 16; i += 4 )
1897 h->stat.frame.i_mb_pred_mode[1][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
1898 else //if( h->mb.i_type == I_4x4 )
1899 for( i = 0; i < 16; i++ )
1900 h->stat.frame.i_mb_pred_mode[2][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
1904 x264_ratecontrol_mb( h, mb_size );
1908 i_mb_x += i_mb_y & 1;
1909 i_mb_y ^= i_mb_x < h->sps->i_mb_width;
1913 if( i_mb_x == h->sps->i_mb_width )
1920 if( h->param.b_cabac )
1922 x264_cabac_encode_flush( h, &h->cabac );
1923 h->out.bs.p = h->cabac.p;
1928 bs_write_ue( &h->out.bs, i_skip ); /* last skip run */
1929 /* rbsp_slice_trailing_bits */
1930 bs_rbsp_trailing( &h->out.bs );
1931 bs_flush( &h->out.bs );
1933 if( x264_nal_end( h ) )
1936 if( h->sh.i_last_mb == h->mb.i_mb_count-1 )
1938 h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
1939 + (h->out.i_nal*NALU_OVERHEAD * 8)
1940 - h->stat.frame.i_tex_bits
1941 - h->stat.frame.i_mv_bits;
1942 if( !h->param.b_sliced_threads )
1943 x264_fdec_filter_row( h, h->sps->i_mb_height );
1949 static void x264_thread_sync_context( x264_t *dst, x264_t *src )
1954 // reference counting
1956 for( f = src->frames.reference; *f; f++ )
1957 (*f)->i_reference_count++;
1958 for( f = dst->frames.reference; *f; f++ )
1959 x264_frame_push_unused( src, *f );
1960 src->fdec->i_reference_count++;
1961 x264_frame_push_unused( src, dst->fdec );
1963 // copy everything except the per-thread pointers and the constants.
1964 memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.type) - offsetof(x264_t, i_frame) );
1965 dst->param = src->param;
1966 dst->stat = src->stat;
1969 static void x264_thread_sync_stat( x264_t *dst, x264_t *src )
1973 memcpy( &dst->stat.i_frame_count, &src->stat.i_frame_count, sizeof(dst->stat) - sizeof(dst->stat.frame) );
1976 static void *x264_slices_write( x264_t *h )
1978 int i_slice_num = 0;
1979 int last_thread_mb = h->sh.i_last_mb;
1980 if( h->param.i_sync_lookahead )
1981 x264_lower_thread_priority( 10 );
1984 /* Misalign mask has to be set separately for each thread. */
1985 if( h->param.cpu&X264_CPU_SSE_MISALIGN )
1986 x264_cpu_mask_misalign_sse();
1989 #ifdef HAVE_VISUALIZE
1990 if( h->param.b_visualize )
1991 if( x264_visualize_init( h ) )
1996 memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
1997 h->mb.b_reencode_mb = 0;
1998 while( h->sh.i_first_mb <= last_thread_mb )
2000 h->sh.i_last_mb = last_thread_mb;
2001 if( h->param.i_slice_max_mbs )
2002 h->sh.i_last_mb = h->sh.i_first_mb + h->param.i_slice_max_mbs - 1;
2003 else if( h->param.i_slice_count && !h->param.b_sliced_threads )
2005 int height = h->sps->i_mb_height >> h->param.b_interlaced;
2006 int width = h->sps->i_mb_width << h->param.b_interlaced;
2008 h->sh.i_last_mb = (height * i_slice_num + h->param.i_slice_count/2) / h->param.i_slice_count * width - 1;
2010 h->sh.i_last_mb = X264_MIN( h->sh.i_last_mb, last_thread_mb );
2011 if( x264_stack_align( x264_slice_write, h ) )
2013 h->sh.i_first_mb = h->sh.i_last_mb + 1;
2016 #ifdef HAVE_VISUALIZE
2017 if( h->param.b_visualize )
2019 x264_visualize_show( h );
2020 x264_visualize_close( h );
2027 static int x264_threaded_slices_write( x264_t *h )
2031 /* set first/last mb and sync contexts */
2032 for( i = 0; i < h->param.i_threads; i++ )
2034 x264_t *t = h->thread[i];
2037 t->param = h->param;
2038 memcpy( &t->i_frame, &h->i_frame, offsetof(x264_t, rc) - offsetof(x264_t, i_frame) );
2040 int height = h->sps->i_mb_height >> h->param.b_interlaced;
2041 t->i_threadslice_start = ((height * i + h->param.i_slice_count/2) / h->param.i_threads) << h->param.b_interlaced;
2042 t->i_threadslice_end = ((height * (i+1) + h->param.i_slice_count/2) / h->param.i_threads) << h->param.b_interlaced;
2043 t->sh.i_first_mb = t->i_threadslice_start * h->sps->i_mb_width;
2044 t->sh.i_last_mb = t->i_threadslice_end * h->sps->i_mb_width - 1;
2047 x264_analyse_weight_frame( h, h->sps->i_mb_height*16 + 16 );
2049 x264_threads_distribute_ratecontrol( h );
2052 for( i = 0; i < h->param.i_threads; i++ )
2054 if( x264_pthread_create( &h->thread[i]->thread_handle, NULL, (void*)x264_slices_write, (void*)h->thread[i] ) )
2056 h->thread[i]->b_thread_active = 1;
2058 for( i = 0; i < h->param.i_threads; i++ )
2060 x264_pthread_join( h->thread[i]->thread_handle, &ret );
2061 h->thread[i]->b_thread_active = 0;
2063 return (intptr_t)ret;
2066 /* deblocking and hpel filtering */
2067 for( i = 0; i <= h->sps->i_mb_height; i++ )
2068 x264_fdec_filter_row( h, i );
2070 x264_threads_merge_ratecontrol( h );
2072 for( i = 1; i < h->param.i_threads; i++ )
2074 x264_t *t = h->thread[i];
2075 for( j = 0; j < t->out.i_nal; j++ )
2077 h->out.nal[h->out.i_nal] = t->out.nal[j];
2079 x264_nal_check_buffer( h );
2081 /* All entries in stat.frame are ints except for ssd/ssim,
2082 * which are only calculated in the main thread. */
2083 for( j = 0; j < (offsetof(x264_t,stat.frame.i_ssd) - offsetof(x264_t,stat.frame.i_mv_bits)) / sizeof(int); j++ )
2084 ((int*)&h->stat.frame)[j] += ((int*)&t->stat.frame)[j];
2090 /****************************************************************************
2091 * x264_encoder_encode:
2092 * XXX: i_poc : is the poc of the current given picture
2093 * i_frame : is the number of the frame being coded
2094 * ex: type frame poc
2102 ****************************************************************************/
2103 int x264_encoder_encode( x264_t *h,
2104 x264_nal_t **pp_nal, int *pi_nal,
2105 x264_picture_t *pic_in,
2106 x264_picture_t *pic_out )
2108 x264_t *thread_current, *thread_prev, *thread_oldest;
2109 int i_nal_type, i_nal_ref_idc, i_global_qp, i;
2111 if( h->i_thread_frames > 1 )
2113 thread_prev = h->thread[ h->i_thread_phase ];
2114 h->i_thread_phase = (h->i_thread_phase + 1) % h->i_thread_frames;
2115 thread_current = h->thread[ h->i_thread_phase ];
2116 thread_oldest = h->thread[ (h->i_thread_phase + 1) % h->i_thread_frames ];
2117 x264_thread_sync_context( thread_current, thread_prev );
2118 x264_thread_sync_ratecontrol( thread_current, thread_prev, thread_oldest );
2120 // fprintf(stderr, "current: %p prev: %p oldest: %p \n", thread_current, thread_prev, thread_oldest);
2128 // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0
2129 if( x264_reference_update( h ) )
2131 h->fdec->i_lines_completed = -1;
2137 /* ------------------- Setup new frame from picture -------------------- */
2138 if( pic_in != NULL )
2140 /* 1: Copy the picture to a frame and move it to a buffer */
2141 x264_frame_t *fenc = x264_frame_pop_unused( h, 0 );
2145 if( x264_frame_copy_picture( h, fenc, pic_in ) < 0 )
2148 if( h->param.i_width != 16 * h->sps->i_mb_width ||
2149 h->param.i_height != 16 * h->sps->i_mb_height )
2150 x264_frame_expand_border_mod16( h, fenc );
2152 fenc->i_frame = h->frames.i_input++;
2154 if( h->frames.i_bframe_delay && fenc->i_frame == h->frames.i_bframe_delay )
2155 h->frames.i_bframe_delay_time = fenc->i_pts;
2157 if( h->frames.b_have_lowres )
2159 if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_FAKE || h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART )
2160 x264_weight_plane_analyse( h, fenc );
2161 x264_frame_init_lowres( h, fenc );
2164 if( h->param.rc.b_mb_tree && h->param.rc.b_stat_read )
2166 if( x264_macroblock_tree_read( h, fenc ) )
2169 else if( h->param.rc.i_aq_mode )
2170 x264_adaptive_quant_frame( h, fenc );
2172 /* 2: Place the frame into the queue for its slice type decision */
2173 x264_lookahead_put_frame( h, fenc );
2175 if( h->frames.i_input <= h->frames.i_delay + 1 - h->i_thread_frames )
2177 /* Nothing yet to encode, waiting for filling of buffers */
2178 pic_out->i_type = X264_TYPE_AUTO;
2184 /* signal kills for lookahead thread */
2185 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
2186 h->lookahead->b_exit_thread = 1;
2187 x264_pthread_cond_broadcast( &h->lookahead->ifbuf.cv_fill );
2188 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
2192 /* 3: The picture is analyzed in the lookahead */
2193 if( !h->frames.current[0] )
2194 x264_lookahead_get_frames( h );
2196 if( !h->frames.current[0] && x264_lookahead_is_empty( h ) )
2197 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
2199 /* ------------------- Get frame to be encoded ------------------------- */
2200 /* 4: get picture to encode */
2201 h->fenc = x264_frame_shift( h->frames.current );
2202 if( h->fenc->param )
2204 x264_encoder_reconfig( h, h->fenc->param );
2205 if( h->fenc->param->param_free )
2206 h->fenc->param->param_free( h->fenc->param );
2209 if( h->fenc->b_keyframe )
2211 h->frames.i_last_keyframe = h->fenc->i_frame;
2212 if( h->fenc->i_type == X264_TYPE_IDR )
2215 h->sh.i_mmco_command_count =
2216 h->sh.i_mmco_remove_from_end = 0;
2217 h->b_ref_reorder[0] =
2218 h->b_ref_reorder[1] = 0;
2220 /* ------------------- Setup frame context ----------------------------- */
2221 /* 5: Init data dependent of frame type */
2222 if( h->fenc->i_type == X264_TYPE_IDR )
2224 /* reset ref pictures */
2225 i_nal_type = NAL_SLICE_IDR;
2226 i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
2227 h->sh.i_type = SLICE_TYPE_I;
2228 x264_reference_reset( h );
2230 else if( h->fenc->i_type == X264_TYPE_I )
2232 i_nal_type = NAL_SLICE;
2233 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
2234 h->sh.i_type = SLICE_TYPE_I;
2235 x264_reference_hierarchy_reset( h );
2237 else if( h->fenc->i_type == X264_TYPE_P )
2239 i_nal_type = NAL_SLICE;
2240 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
2241 h->sh.i_type = SLICE_TYPE_P;
2242 x264_reference_hierarchy_reset( h );
2244 else if( h->fenc->i_type == X264_TYPE_BREF )
2246 i_nal_type = NAL_SLICE;
2247 i_nal_ref_idc = h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT ? NAL_PRIORITY_LOW : NAL_PRIORITY_HIGH;
2248 h->sh.i_type = SLICE_TYPE_B;
2249 x264_reference_hierarchy_reset( h );
2253 i_nal_type = NAL_SLICE;
2254 i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
2255 h->sh.i_type = SLICE_TYPE_B;
2259 h->fenc->i_poc = 2 * (h->fenc->i_frame - h->frames.i_last_keyframe);
2260 h->fdec->i_type = h->fenc->i_type;
2261 h->fdec->i_frame = h->fenc->i_frame;
2262 h->fenc->b_kept_as_ref =
2263 h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1;
2267 /* ------------------- Init ----------------------------- */
2268 /* build ref list 0/1 */
2269 x264_reference_build_list( h, h->fdec->i_poc );
2271 /* ---------------------- Write the bitstream -------------------------- */
2272 /* Init bitstream context */
2273 if( h->param.b_sliced_threads )
2275 for( i = 0; i < h->param.i_threads; i++ )
2277 bs_init( &h->thread[i]->out.bs, h->thread[i]->out.p_bitstream, h->thread[i]->out.i_bitstream );
2278 h->thread[i]->out.i_nal = 0;
2283 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
2287 if( h->param.b_aud )
2291 if( h->sh.i_type == SLICE_TYPE_I )
2293 else if( h->sh.i_type == SLICE_TYPE_P )
2295 else if( h->sh.i_type == SLICE_TYPE_B )
2300 x264_nal_start( h, NAL_AUD, NAL_PRIORITY_DISPOSABLE );
2301 bs_write( &h->out.bs, 3, pic_type );
2302 bs_rbsp_trailing( &h->out.bs );
2303 if( x264_nal_end( h ) )
2307 h->i_nal_type = i_nal_type;
2308 h->i_nal_ref_idc = i_nal_ref_idc;
2310 int overhead = NALU_OVERHEAD;
2312 if( h->param.b_intra_refresh && h->fenc->i_type == X264_TYPE_P )
2314 int pocdiff = (h->fdec->i_poc - h->fref0[0]->i_poc)/2;
2315 float increment = X264_MAX( ((float)h->sps->i_mb_width-1) / h->param.i_keyint_max, 1 );
2316 int max_position = (int)(increment * h->param.i_keyint_max);
2317 if( IS_X264_TYPE_I( h->fref0[0]->i_type ) )
2318 h->fdec->f_pir_position = 0;
2321 h->fdec->f_pir_position = h->fref0[0]->f_pir_position;
2322 if( h->fdec->f_pir_position+0.5 >= max_position )
2324 h->fdec->f_pir_position = 0;
2325 h->fenc->b_keyframe = 1;
2328 h->fdec->i_pir_start_col = h->fdec->f_pir_position+0.5;
2329 h->fdec->f_pir_position += increment * pocdiff;
2330 h->fdec->i_pir_end_col = h->fdec->f_pir_position+0.5;
2333 /* Write SPS and PPS */
2334 if( h->fenc->b_keyframe )
2336 if( h->param.b_repeat_headers )
2338 if( h->fenc->i_frame == 0 )
2340 /* identify ourself */
2341 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
2342 if( x264_sei_version_write( h, &h->out.bs ) )
2344 if( x264_nal_end( h ) )
2346 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
2349 /* generate sequence parameters */
2350 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
2351 x264_sps_write( &h->out.bs, h->sps );
2352 if( x264_nal_end( h ) )
2354 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
2356 /* generate picture parameters */
2357 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
2358 x264_pps_write( &h->out.bs, h->pps );
2359 if( x264_nal_end( h ) )
2361 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
2364 if( h->fenc->i_type != X264_TYPE_IDR )
2366 int time_to_recovery = X264_MIN( h->sps->i_mb_width - 1, h->param.i_keyint_max ) + h->param.i_bframe;
2367 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
2368 x264_sei_recovery_point_write( h, &h->out.bs, time_to_recovery );
2370 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
2374 /* Init the rate control */
2375 /* FIXME: Include slice header bit cost. */
2376 x264_ratecontrol_start( h, h->fenc->i_qpplus1, overhead*8 );
2377 i_global_qp = x264_ratecontrol_qp( h );
2379 pic_out->i_qpplus1 =
2380 h->fdec->i_qpplus1 = i_global_qp + 1;
2382 if( h->param.rc.b_stat_read && h->sh.i_type != SLICE_TYPE_I )
2384 x264_reference_build_list_optimal( h );
2385 x264_reference_check_reorder( h );
2389 h->fdec->i_poc_l0ref0 = h->fref0[0]->i_poc;
2391 if( h->sh.i_type == SLICE_TYPE_B )
2392 x264_macroblock_bipred_init( h );
2394 /*------------------------- Weights -------------------------------------*/
2395 x264_weighted_pred_init( h );
2397 /* ------------------------ Create slice header ----------------------- */
2398 x264_slice_init( h, i_nal_type, i_global_qp );
2400 if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
2404 h->i_threadslice_start = 0;
2405 h->i_threadslice_end = h->sps->i_mb_height;
2406 if( h->i_thread_frames > 1 )
2408 if( x264_pthread_create( &h->thread_handle, NULL, (void*)x264_slices_write, h ) )
2410 h->b_thread_active = 1;
2412 else if( h->param.b_sliced_threads )
2414 if( x264_threaded_slices_write( h ) )
2418 if( (intptr_t)x264_slices_write( h ) )
2421 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
2424 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
2425 x264_nal_t **pp_nal, int *pi_nal,
2426 x264_picture_t *pic_out )
2428 int i, j, i_list, frame_size;
2429 char psz_message[80];
2431 if( h->b_thread_active )
2434 x264_pthread_join( h->thread_handle, &ret );
2435 h->b_thread_active = 0;
2437 return (intptr_t)ret;
2441 pic_out->i_type = X264_TYPE_AUTO;
2445 x264_frame_push_unused( thread_current, h->fenc );
2447 /* End bitstream, set output */
2448 *pi_nal = h->out.i_nal;
2449 *pp_nal = h->out.nal;
2451 frame_size = x264_encoder_encapsulate_nals( h );
2455 /* Set output picture properties */
2456 if( h->sh.i_type == SLICE_TYPE_I )
2457 pic_out->i_type = h->i_nal_type == NAL_SLICE_IDR ? X264_TYPE_IDR : X264_TYPE_I;
2458 else if( h->sh.i_type == SLICE_TYPE_P )
2459 pic_out->i_type = X264_TYPE_P;
2461 pic_out->i_type = X264_TYPE_B;
2463 pic_out->b_keyframe = h->fenc->b_keyframe;
2465 pic_out->i_pts = h->fenc->i_pts *= h->i_dts_compress_multiplier;
2466 if( h->frames.i_bframe_delay )
2468 int64_t *i_prev_dts = thread_current->frames.i_prev_dts;
2469 if( h->i_frame <= h->frames.i_bframe_delay )
2471 if( h->i_dts_compress_multiplier == 1 )
2472 pic_out->i_dts = h->fenc->i_reordered_pts - h->frames.i_bframe_delay_time;
2475 /* DTS compression */
2476 if( h->i_frame == 1 )
2477 thread_current->frames.i_init_delta = h->fenc->i_reordered_pts * h->i_dts_compress_multiplier;
2478 pic_out->i_dts = h->i_frame * thread_current->frames.i_init_delta / h->i_dts_compress_multiplier;
2482 pic_out->i_dts = i_prev_dts[ (h->i_frame - h->frames.i_bframe_delay) % h->frames.i_bframe_delay ];
2483 i_prev_dts[ h->i_frame % h->frames.i_bframe_delay ] = h->fenc->i_reordered_pts * h->i_dts_compress_multiplier;
2486 pic_out->i_dts = h->fenc->i_reordered_pts;
2487 assert( pic_out->i_pts >= pic_out->i_dts );
2489 pic_out->img.i_plane = h->fdec->i_plane;
2490 for(i = 0; i < 3; i++)
2492 pic_out->img.i_stride[i] = h->fdec->i_stride[i];
2493 pic_out->img.plane[i] = h->fdec->plane[i];
2496 /* ---------------------- Update encoder state ------------------------- */
2500 if( x264_ratecontrol_end( h, frame_size * 8 ) < 0 )
2503 x264_noise_reduction_update( thread_current );
2505 /* ---------------------- Compute/Print statistics --------------------- */
2506 x264_thread_sync_stat( h, h->thread[0] );
2509 h->stat.i_frame_count[h->sh.i_type]++;
2510 h->stat.i_frame_size[h->sh.i_type] += frame_size;
2511 h->stat.f_frame_qp[h->sh.i_type] += h->fdec->f_qp_avg_aq;
2513 for( i = 0; i < X264_MBTYPE_MAX; i++ )
2514 h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
2515 for( i = 0; i < X264_PARTTYPE_MAX; i++ )
2516 h->stat.i_mb_partition[h->sh.i_type][i] += h->stat.frame.i_mb_partition[i];
2517 for( i = 0; i < 2; i++ )
2518 h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
2519 for( i = 0; i < 6; i++ )
2520 h->stat.i_mb_cbp[i] += h->stat.frame.i_mb_cbp[i];
2521 for( i = 0; i < 3; i++ )
2522 for( j = 0; j < 13; j++ )
2523 h->stat.i_mb_pred_mode[i][j] += h->stat.frame.i_mb_pred_mode[i][j];
2524 if( h->sh.i_type != SLICE_TYPE_I )
2525 for( i_list = 0; i_list < 2; i_list++ )
2526 for( i = 0; i < 32; i++ )
2527 h->stat.i_mb_count_ref[h->sh.i_type][i_list][i] += h->stat.frame.i_mb_count_ref[i_list][i];
2528 if( h->sh.i_type == SLICE_TYPE_P )
2530 h->stat.i_consecutive_bframes[h->fdec->i_frame - h->fref0[0]->i_frame - 1]++;
2531 if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART )
2533 for( i = 0; i < 3; i++ )
2534 for( j = 0; j < h->i_ref0; j++ )
2535 if( h->sh.weight[0][i].i_denom != 0 )
2537 h->stat.i_wpred[i]++;
2542 if( h->sh.i_type == SLICE_TYPE_B )
2544 h->stat.i_direct_frames[ h->sh.b_direct_spatial_mv_pred ] ++;
2545 if( h->mb.b_direct_auto_write )
2547 //FIXME somewhat arbitrary time constants
2548 if( h->stat.i_direct_score[0] + h->stat.i_direct_score[1] > h->mb.i_mb_count )
2550 for( i = 0; i < 2; i++ )
2551 h->stat.i_direct_score[i] = h->stat.i_direct_score[i] * 9/10;
2553 for( i = 0; i < 2; i++ )
2554 h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i];
2558 psz_message[0] = '\0';
2559 if( h->param.analyse.b_psnr )
2562 h->stat.frame.i_ssd[0],
2563 h->stat.frame.i_ssd[1],
2564 h->stat.frame.i_ssd[2],
2567 h->stat.i_ssd_global[h->sh.i_type] += ssd[0] + ssd[1] + ssd[2];
2568 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 );
2569 h->stat.f_psnr_mean_y[h->sh.i_type] += x264_psnr( ssd[0], h->param.i_width * h->param.i_height );
2570 h->stat.f_psnr_mean_u[h->sh.i_type] += x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4 );
2571 h->stat.f_psnr_mean_v[h->sh.i_type] += x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4 );
2573 snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f",
2574 x264_psnr( ssd[0], h->param.i_width * h->param.i_height ),
2575 x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4),
2576 x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4) );
2579 if( h->param.analyse.b_ssim )
2581 double ssim_y = h->stat.frame.f_ssim
2582 / (((h->param.i_width-6)>>2) * ((h->param.i_height-6)>>2));
2583 h->stat.f_ssim_mean_y[h->sh.i_type] += ssim_y;
2584 snprintf( psz_message + strlen(psz_message), 80 - strlen(psz_message),
2585 " SSIM Y:%.5f", ssim_y );
2587 psz_message[79] = '\0';
2589 x264_log( h, X264_LOG_DEBUG,
2590 "frame=%4d QP=%.2f NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
2592 h->fdec->f_qp_avg_aq,
2594 h->sh.i_type == SLICE_TYPE_I ? 'I' : (h->sh.i_type == SLICE_TYPE_P ? 'P' : 'B' ),
2596 h->stat.frame.i_mb_count_i,
2597 h->stat.frame.i_mb_count_p,
2598 h->stat.frame.i_mb_count_skip,
2602 // keep stats all in one place
2603 x264_thread_sync_stat( h->thread[0], h );
2604 // for the use of the next frame
2605 x264_thread_sync_stat( thread_current, h );
2607 #ifdef DEBUG_MB_TYPE
2609 static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
2610 'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
2612 for( mb_xy = 0; mb_xy < h->sps->i_mb_width * h->sps->i_mb_height; mb_xy++ )
2614 if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 )
2615 fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
2617 fprintf( stderr, "? " );
2619 if( (mb_xy+1) % h->sps->i_mb_width == 0 )
2620 fprintf( stderr, "\n" );
2625 /* Remove duplicates, must be done near the end as breaks h->fref0 array
2626 * by freeing some of its pointers. */
2627 for( i = 0; i < h->i_ref0; i++ )
2628 if( h->fref0[i] && h->fref0[i]->b_duplicate )
2630 x264_frame_push_blank_unused( h, h->fref0[i] );
2634 if( h->param.psz_dump_yuv )
2635 x264_frame_dump( h );
2640 static void x264_print_intra( int64_t *i_mb_count, double i_count, int b_print_pcm, char *intra )
2642 intra += sprintf( intra, "I16..4%s: %4.1f%% %4.1f%% %4.1f%%",
2643 b_print_pcm ? "..PCM" : "",
2644 i_mb_count[I_16x16]/ i_count,
2645 i_mb_count[I_8x8] / i_count,
2646 i_mb_count[I_4x4] / i_count );
2648 sprintf( intra, " %4.1f%%", i_mb_count[I_PCM] / i_count );
2651 /****************************************************************************
2652 * x264_encoder_close:
2653 ****************************************************************************/
2654 void x264_encoder_close ( x264_t *h )
2656 int64_t i_yuv_size = 3 * h->param.i_width * h->param.i_height / 2;
2657 int64_t i_mb_count_size[2][7] = {{0}};
2659 int i, j, i_list, i_type;
2660 int b_print_pcm = h->stat.i_mb_count[SLICE_TYPE_I][I_PCM]
2661 || h->stat.i_mb_count[SLICE_TYPE_P][I_PCM]
2662 || h->stat.i_mb_count[SLICE_TYPE_B][I_PCM];
2664 x264_lookahead_delete( h );
2666 if( h->param.i_threads > 1 )
2668 // don't strictly have to wait for the other threads, but it's simpler than canceling them
2669 for( i = 0; i < h->param.i_threads; i++ )
2670 if( h->thread[i]->b_thread_active )
2671 x264_pthread_join( h->thread[i]->thread_handle, NULL );
2672 if( h->i_thread_frames > 1 )
2674 for( i = 0; i < h->i_thread_frames; i++ )
2676 if( h->thread[i]->b_thread_active )
2678 assert( h->thread[i]->fenc->i_reference_count == 1 );
2679 x264_frame_delete( h->thread[i]->fenc );
2683 x264_t *thread_prev = h->thread[h->i_thread_phase];
2684 x264_thread_sync_ratecontrol( h, thread_prev, h );
2685 x264_thread_sync_ratecontrol( thread_prev, thread_prev, h );
2686 h->i_frame = thread_prev->i_frame + 1 - h->i_thread_frames;
2691 /* Slices used and PSNR */
2692 for( i=0; i<5; i++ )
2694 static const int slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_SI, SLICE_TYPE_P, SLICE_TYPE_SP, SLICE_TYPE_B };
2695 static const char *slice_name[] = { "P", "B", "I", "SP", "SI" };
2696 int i_slice = slice_order[i];
2698 if( h->stat.i_frame_count[i_slice] > 0 )
2700 const int i_count = h->stat.i_frame_count[i_slice];
2701 if( h->param.analyse.b_psnr )
2703 x264_log( h, X264_LOG_INFO,
2704 "frame %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",
2705 slice_name[i_slice],
2707 h->stat.f_frame_qp[i_slice] / i_count,
2708 (double)h->stat.i_frame_size[i_slice] / i_count,
2709 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,
2710 h->stat.f_psnr_average[i_slice] / i_count,
2711 x264_psnr( h->stat.i_ssd_global[i_slice], i_count * i_yuv_size ) );
2715 x264_log( h, X264_LOG_INFO,
2716 "frame %s:%-5d Avg QP:%5.2f size:%6.0f\n",
2717 slice_name[i_slice],
2719 h->stat.f_frame_qp[i_slice] / i_count,
2720 (double)h->stat.i_frame_size[i_slice] / i_count );
2724 if( h->param.i_bframe && h->stat.i_frame_count[SLICE_TYPE_P] )
2728 // weight by number of frames (including the P-frame) that are in a sequence of N B-frames
2729 for( i=0; i<=h->param.i_bframe; i++ )
2730 den += (i+1) * h->stat.i_consecutive_bframes[i];
2731 for( i=0; i<=h->param.i_bframe; i++ )
2732 p += sprintf( p, " %4.1f%%", 100. * (i+1) * h->stat.i_consecutive_bframes[i] / den );
2733 x264_log( h, X264_LOG_INFO, "consecutive B-frames:%s\n", buf );
2736 for( i_type = 0; i_type < 2; i_type++ )
2737 for( i = 0; i < X264_PARTTYPE_MAX; i++ )
2739 if( i == D_DIRECT_8x8 ) continue; /* direct is counted as its own type */
2740 i_mb_count_size[i_type][x264_mb_partition_pixel_table[i]] += h->stat.i_mb_partition[i_type][i];
2744 if( h->stat.i_frame_count[SLICE_TYPE_I] > 0 )
2746 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
2747 double i_count = h->stat.i_frame_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
2748 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
2749 x264_log( h, X264_LOG_INFO, "mb I %s\n", buf );
2751 if( h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
2753 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
2754 double i_count = h->stat.i_frame_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
2755 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_P];
2756 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
2757 x264_log( h, X264_LOG_INFO,
2758 "mb P %s P16..4: %4.1f%% %4.1f%% %4.1f%% %4.1f%% %4.1f%% skip:%4.1f%%\n",
2760 i_mb_size[PIXEL_16x16] / (i_count*4),
2761 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
2762 i_mb_size[PIXEL_8x8] / (i_count*4),
2763 (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
2764 i_mb_size[PIXEL_4x4] / (i_count*4),
2765 i_mb_count[P_SKIP] / i_count );
2767 if( h->stat.i_frame_count[SLICE_TYPE_B] > 0 )
2769 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
2770 double i_count = h->stat.i_frame_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
2771 double i_mb_list_count;
2772 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_B];
2773 int64_t list_count[3] = {0}; /* 0 == L0, 1 == L1, 2 == BI */
2774 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
2775 for( i = 0; i < X264_PARTTYPE_MAX; i++ )
2776 for( j = 0; j < 2; j++ )
2778 int l0 = x264_mb_type_list_table[i][0][j];
2779 int l1 = x264_mb_type_list_table[i][1][j];
2781 list_count[l1+l0*l1] += h->stat.i_mb_count[SLICE_TYPE_B][i] * 2;
2783 list_count[0] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L0_8x8];
2784 list_count[1] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L1_8x8];
2785 list_count[2] += h->stat.i_mb_partition[SLICE_TYPE_B][D_BI_8x8];
2786 i_mb_count[B_DIRECT] += (h->stat.i_mb_partition[SLICE_TYPE_B][D_DIRECT_8x8]+2)/4;
2787 i_mb_list_count = (list_count[0] + list_count[1] + list_count[2]) / 100.0;
2788 x264_log( h, X264_LOG_INFO,
2789 "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",
2791 i_mb_size[PIXEL_16x16] / (i_count*4),
2792 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
2793 i_mb_size[PIXEL_8x8] / (i_count*4),
2794 i_mb_count[B_DIRECT] / i_count,
2795 i_mb_count[B_SKIP] / i_count,
2796 list_count[0] / i_mb_list_count,
2797 list_count[1] / i_mb_list_count,
2798 list_count[2] / i_mb_list_count );
2801 x264_ratecontrol_summary( h );
2803 if( h->stat.i_frame_count[SLICE_TYPE_I] + h->stat.i_frame_count[SLICE_TYPE_P] + h->stat.i_frame_count[SLICE_TYPE_B] > 0 )
2805 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
2806 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
2807 int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
2808 int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
2809 + SUM3b( h->stat.i_mb_count, I_16x16 );
2810 int64_t i_all_intra = i_intra + SUM3b( h->stat.i_mb_count, I_PCM);
2811 const int i_count = h->stat.i_frame_count[SLICE_TYPE_I] +
2812 h->stat.i_frame_count[SLICE_TYPE_P] +
2813 h->stat.i_frame_count[SLICE_TYPE_B];
2814 int64_t i_mb_count = i_count * h->mb.i_mb_count;
2815 float fps = (float) h->param.i_fps_num / h->param.i_fps_den;
2816 float f_bitrate = fps * SUM3(h->stat.i_frame_size) / i_count / 125;
2818 if( h->pps->b_transform_8x8_mode )
2821 if( h->stat.i_mb_count_8x8dct[0] )
2822 sprintf( buf, " inter:%.1f%%", 100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
2823 x264_log( h, X264_LOG_INFO, "8x8 transform intra:%.1f%%%s\n", 100. * i_i8x8 / i_intra, buf );
2826 if( (h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO ||
2827 (h->stat.i_direct_frames[0] && h->stat.i_direct_frames[1]))
2828 && h->stat.i_frame_count[SLICE_TYPE_B] )
2830 x264_log( h, X264_LOG_INFO, "direct mvs spatial:%.1f%% temporal:%.1f%%\n",
2831 h->stat.i_direct_frames[1] * 100. / h->stat.i_frame_count[SLICE_TYPE_B],
2832 h->stat.i_direct_frames[0] * 100. / h->stat.i_frame_count[SLICE_TYPE_B] );
2836 if( i_mb_count != i_all_intra )
2837 sprintf( buf, " inter: %.1f%% %.1f%% %.1f%%",
2838 h->stat.i_mb_cbp[1] * 100.0 / ((i_mb_count - i_all_intra)*4),
2839 h->stat.i_mb_cbp[3] * 100.0 / ((i_mb_count - i_all_intra) ),
2840 h->stat.i_mb_cbp[5] * 100.0 / ((i_mb_count - i_all_intra)) );
2841 x264_log( h, X264_LOG_INFO, "coded y,uvDC,uvAC intra: %.1f%% %.1f%% %.1f%%%s\n",
2842 h->stat.i_mb_cbp[0] * 100.0 / (i_all_intra*4),
2843 h->stat.i_mb_cbp[2] * 100.0 / (i_all_intra ),
2844 h->stat.i_mb_cbp[4] * 100.0 / (i_all_intra ), buf );
2846 int64_t fixed_pred_modes[3][9] = {{0}};
2847 int64_t sum_pred_modes[3] = {0};
2848 for( i = 0; i <= I_PRED_16x16_DC_128; i++ )
2850 fixed_pred_modes[0][x264_mb_pred_mode16x16_fix[i]] += h->stat.i_mb_pred_mode[0][i];
2851 sum_pred_modes[0] += h->stat.i_mb_pred_mode[0][i];
2853 if( sum_pred_modes[0] )
2854 x264_log( h, X264_LOG_INFO, "i16 v,h,dc,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
2855 fixed_pred_modes[0][0] * 100.0 / sum_pred_modes[0],
2856 fixed_pred_modes[0][1] * 100.0 / sum_pred_modes[0],
2857 fixed_pred_modes[0][2] * 100.0 / sum_pred_modes[0],
2858 fixed_pred_modes[0][3] * 100.0 / sum_pred_modes[0] );
2859 for( i = 1; i <= 2; i++ )
2861 for( j = 0; j <= I_PRED_8x8_DC_128; j++ )
2863 fixed_pred_modes[i][x264_mb_pred_mode4x4_fix(j)] += h->stat.i_mb_pred_mode[i][j];
2864 sum_pred_modes[i] += h->stat.i_mb_pred_mode[i][j];
2866 if( sum_pred_modes[i] )
2867 x264_log( h, X264_LOG_INFO, "i%d v,h,dc,ddl,ddr,vr,hd,vl,hu: %2.0f%% %2.0f%% %2.0f%% %2.0f%% %2.0f%% %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n", (3-i)*4,
2868 fixed_pred_modes[i][0] * 100.0 / sum_pred_modes[i],
2869 fixed_pred_modes[i][1] * 100.0 / sum_pred_modes[i],
2870 fixed_pred_modes[i][2] * 100.0 / sum_pred_modes[i],
2871 fixed_pred_modes[i][3] * 100.0 / sum_pred_modes[i],
2872 fixed_pred_modes[i][4] * 100.0 / sum_pred_modes[i],
2873 fixed_pred_modes[i][5] * 100.0 / sum_pred_modes[i],
2874 fixed_pred_modes[i][6] * 100.0 / sum_pred_modes[i],
2875 fixed_pred_modes[i][7] * 100.0 / sum_pred_modes[i],
2876 fixed_pred_modes[i][8] * 100.0 / sum_pred_modes[i] );
2879 if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART && h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
2880 x264_log( h, X264_LOG_INFO, "Weighted P-Frames: Y:%.1f%%\n",
2881 h->stat.i_wpred[0] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P] );
2883 for( i_list = 0; i_list < 2; i_list++ )
2886 for( i_slice = 0; i_slice < 2; i_slice++ )
2891 for( i = 0; i < 32; i++ )
2892 if( h->stat.i_mb_count_ref[i_slice][i_list][i] )
2894 i_den += h->stat.i_mb_count_ref[i_slice][i_list][i];
2899 for( i = 0; i <= i_max; i++ )
2900 p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i_list][i] / i_den );
2901 x264_log( h, X264_LOG_INFO, "ref %c L%d:%s\n", "PB"[i_slice], i_list, buf );
2905 if( h->param.analyse.b_ssim )
2907 x264_log( h, X264_LOG_INFO,
2908 "SSIM Mean Y:%.7f\n",
2909 SUM3( h->stat.f_ssim_mean_y ) / i_count );
2911 if( h->param.analyse.b_psnr )
2913 x264_log( h, X264_LOG_INFO,
2914 "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
2915 SUM3( h->stat.f_psnr_mean_y ) / i_count,
2916 SUM3( h->stat.f_psnr_mean_u ) / i_count,
2917 SUM3( h->stat.f_psnr_mean_v ) / i_count,
2918 SUM3( h->stat.f_psnr_average ) / i_count,
2919 x264_psnr( SUM3( h->stat.i_ssd_global ), i_count * i_yuv_size ),
2923 x264_log( h, X264_LOG_INFO, "kb/s:%.2f\n", f_bitrate );
2927 x264_ratecontrol_delete( h );
2930 if( h->param.rc.psz_stat_out )
2931 free( h->param.rc.psz_stat_out );
2932 if( h->param.rc.psz_stat_in )
2933 free( h->param.rc.psz_stat_in );
2935 x264_cqm_delete( h );
2936 x264_free( h->nal_buffer );
2937 x264_analyse_free_costs( h );
2939 if( h->i_thread_frames > 1)
2940 h = h->thread[h->i_thread_phase];
2943 x264_frame_delete_list( h->frames.unused[0] );
2944 x264_frame_delete_list( h->frames.unused[1] );
2945 x264_frame_delete_list( h->frames.current );
2946 x264_frame_delete_list( h->frames.blank_unused );
2950 for( i = h->param.i_threads - 1; i >= 0; i-- )
2952 x264_frame_t **frame;
2954 if( !h->param.b_sliced_threads || i == 0 )
2956 for( frame = h->thread[i]->frames.reference; *frame; frame++ )
2958 assert( (*frame)->i_reference_count > 0 );
2959 (*frame)->i_reference_count--;
2960 if( (*frame)->i_reference_count == 0 )
2961 x264_frame_delete( *frame );
2963 frame = &h->thread[i]->fdec;
2964 assert( (*frame)->i_reference_count > 0 );
2965 (*frame)->i_reference_count--;
2966 if( (*frame)->i_reference_count == 0 )
2967 x264_frame_delete( *frame );
2968 x264_macroblock_cache_end( h->thread[i] );
2970 x264_free( h->thread[i]->scratch_buffer );
2971 x264_free( h->thread[i]->out.p_bitstream );
2972 x264_free( h->thread[i]->out.nal);
2973 x264_free( h->thread[i] );
2977 /****************************************************************************
2978 * x264_encoder_delayed_frames:
2979 ****************************************************************************/
2980 int x264_encoder_delayed_frames( x264_t *h )
2982 int delayed_frames = 0;
2984 if( h->i_thread_frames > 1 )
2986 for( i=0; i<h->i_thread_frames; i++ )
2987 delayed_frames += h->thread[i]->b_thread_active;
2988 h = h->thread[h->i_thread_phase];
2990 for( i=0; h->frames.current[i]; i++ )
2992 x264_pthread_mutex_lock( &h->lookahead->ofbuf.mutex );
2993 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
2994 x264_pthread_mutex_lock( &h->lookahead->next.mutex );
2995 delayed_frames += h->lookahead->ifbuf.i_size + h->lookahead->next.i_size + h->lookahead->ofbuf.i_size;
2996 x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
2997 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
2998 x264_pthread_mutex_unlock( &h->lookahead->ofbuf.mutex );
2999 return delayed_frames;