1 /*****************************************************************************
2 * encoder.c: top-level encoder functions
3 *****************************************************************************
4 * Copyright (C) 2003-2013 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.
24 * This program is also available under a commercial proprietary license.
25 * For more information, contact us at licensing@x264.com.
26 *****************************************************************************/
28 #include "common/common.h"
32 #include "ratecontrol.h"
33 #include "macroblock.h"
37 #include "common/visualize.h"
41 #include "common/opencl.h"
44 //#define DEBUG_MB_TYPE
46 #define bs_write_ue bs_write_ue_big
48 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
49 x264_nal_t **pp_nal, int *pi_nal,
50 x264_picture_t *pic_out );
52 /****************************************************************************
54 ******************************* x264 libs **********************************
56 ****************************************************************************/
57 static double x264_psnr( double sqe, double size )
59 double mse = sqe / (PIXEL_MAX*PIXEL_MAX * size);
60 if( mse <= 0.0000000001 ) /* Max 100dB */
63 return -10.0 * log10( mse );
66 static double x264_ssim( double ssim )
68 double inv_ssim = 1 - ssim;
69 if( inv_ssim <= 0.0000000001 ) /* Max 100dB */
72 return -10.0 * log10( inv_ssim );
75 static int x264_threadpool_wait_all( x264_t *h )
77 for( int i = 0; i < h->param.i_threads; i++ )
78 if( h->thread[i]->b_thread_active )
80 h->thread[i]->b_thread_active = 0;
81 if( (intptr_t)x264_threadpool_wait( h->threadpool, h->thread[i] ) < 0 )
87 static void x264_frame_dump( x264_t *h )
89 FILE *f = fopen( h->param.psz_dump_yuv, "r+b" );
93 /* Wait for the threads to finish deblocking */
94 if( h->param.b_sliced_threads )
95 x264_threadpool_wait_all( h );
97 /* Write the frame in display order */
98 int frame_size = FRAME_SIZE( h->param.i_height * h->param.i_width * sizeof(pixel) );
99 fseek( f, (uint64_t)h->fdec->i_frame * frame_size, SEEK_SET );
100 for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
101 for( int y = 0; y < h->param.i_height; y++ )
102 fwrite( &h->fdec->plane[p][y*h->fdec->i_stride[p]], sizeof(pixel), h->param.i_width, f );
105 int cw = h->param.i_width>>1;
106 int ch = h->param.i_height>>CHROMA_V_SHIFT;
107 pixel *planeu = x264_malloc( (cw*ch*2+32)*sizeof(pixel) );
108 pixel *planev = planeu + cw*ch + 16;
109 h->mc.plane_copy_deinterleave( planeu, cw, planev, cw, h->fdec->plane[1], h->fdec->i_stride[1], cw, ch );
110 fwrite( planeu, 1, cw*ch*sizeof(pixel), f );
111 fwrite( planev, 1, cw*ch*sizeof(pixel), f );
117 /* Fill "default" values */
118 static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
119 x264_sps_t *sps, x264_pps_t *pps,
120 int i_idr_pic_id, int i_frame, int i_qp )
122 x264_param_t *param = &h->param;
124 /* First we fill all fields */
129 sh->i_last_mb = h->mb.i_mb_count - 1;
130 sh->i_pps_id = pps->i_id;
132 sh->i_frame_num = i_frame;
134 sh->b_mbaff = PARAM_INTERLACED;
135 sh->b_field_pic = 0; /* no field support for now */
136 sh->b_bottom_field = 0; /* not yet used */
138 sh->i_idr_pic_id = i_idr_pic_id;
140 /* poc stuff, fixed later */
142 sh->i_delta_poc_bottom = 0;
143 sh->i_delta_poc[0] = 0;
144 sh->i_delta_poc[1] = 0;
146 sh->i_redundant_pic_cnt = 0;
148 h->mb.b_direct_auto_write = h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
150 && ( h->param.rc.b_stat_write || !h->param.rc.b_stat_read );
152 if( !h->mb.b_direct_auto_read && sh->i_type == SLICE_TYPE_B )
154 if( h->fref[1][0]->i_poc_l0ref0 == h->fref[0][0]->i_poc )
156 if( h->mb.b_direct_auto_write )
157 sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] );
159 sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL );
163 h->mb.b_direct_auto_write = 0;
164 sh->b_direct_spatial_mv_pred = 1;
167 /* else b_direct_spatial_mv_pred was read from the 2pass statsfile */
169 sh->b_num_ref_idx_override = 0;
170 sh->i_num_ref_idx_l0_active = 1;
171 sh->i_num_ref_idx_l1_active = 1;
173 sh->b_ref_pic_list_reordering[0] = h->b_ref_reorder[0];
174 sh->b_ref_pic_list_reordering[1] = h->b_ref_reorder[1];
176 /* If the ref list isn't in the default order, construct reordering header */
177 for( int list = 0; list < 2; list++ )
179 if( sh->b_ref_pic_list_reordering[list] )
181 int pred_frame_num = i_frame;
182 for( int i = 0; i < h->i_ref[list]; i++ )
184 int diff = h->fref[list][i]->i_frame_num - pred_frame_num;
185 sh->ref_pic_list_order[list][i].idc = ( diff > 0 );
186 sh->ref_pic_list_order[list][i].arg = (abs(diff) - 1) & ((1 << sps->i_log2_max_frame_num) - 1);
187 pred_frame_num = h->fref[list][i]->i_frame_num;
192 sh->i_cabac_init_idc = param->i_cabac_init_idc;
194 sh->i_qp = SPEC_QP(i_qp);
195 sh->i_qp_delta = sh->i_qp - pps->i_pic_init_qp;
196 sh->b_sp_for_swidth = 0;
199 int deblock_thresh = i_qp + 2 * X264_MIN(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta);
200 /* If effective qp <= 15, deblocking would have no effect anyway */
201 if( param->b_deblocking_filter && (h->mb.b_variable_qp || 15 < deblock_thresh ) )
202 sh->i_disable_deblocking_filter_idc = param->b_sliced_threads ? 2 : 0;
204 sh->i_disable_deblocking_filter_idc = 1;
205 sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1;
206 sh->i_beta_offset = param->i_deblocking_filter_beta << 1;
209 static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc )
213 int first_x = sh->i_first_mb % sh->sps->i_mb_width;
214 int first_y = sh->i_first_mb / sh->sps->i_mb_width;
215 assert( (first_y&1) == 0 );
216 bs_write_ue( s, (2*first_x + sh->sps->i_mb_width*(first_y&~1) + (first_y&1)) >> 1 );
219 bs_write_ue( s, sh->i_first_mb );
221 bs_write_ue( s, sh->i_type + 5 ); /* same type things */
222 bs_write_ue( s, sh->i_pps_id );
223 bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num & ((1<<sh->sps->i_log2_max_frame_num)-1) );
225 if( !sh->sps->b_frame_mbs_only )
227 bs_write1( s, sh->b_field_pic );
228 if( sh->b_field_pic )
229 bs_write1( s, sh->b_bottom_field );
232 if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */
233 bs_write_ue( s, sh->i_idr_pic_id );
235 if( sh->sps->i_poc_type == 0 )
237 bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc & ((1<<sh->sps->i_log2_max_poc_lsb)-1) );
238 if( sh->pps->b_pic_order && !sh->b_field_pic )
239 bs_write_se( s, sh->i_delta_poc_bottom );
242 if( sh->pps->b_redundant_pic_cnt )
243 bs_write_ue( s, sh->i_redundant_pic_cnt );
245 if( sh->i_type == SLICE_TYPE_B )
246 bs_write1( s, sh->b_direct_spatial_mv_pred );
248 if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_B )
250 bs_write1( s, sh->b_num_ref_idx_override );
251 if( sh->b_num_ref_idx_override )
253 bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 );
254 if( sh->i_type == SLICE_TYPE_B )
255 bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 );
259 /* ref pic list reordering */
260 if( sh->i_type != SLICE_TYPE_I )
262 bs_write1( s, sh->b_ref_pic_list_reordering[0] );
263 if( sh->b_ref_pic_list_reordering[0] )
265 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
267 bs_write_ue( s, sh->ref_pic_list_order[0][i].idc );
268 bs_write_ue( s, sh->ref_pic_list_order[0][i].arg );
273 if( sh->i_type == SLICE_TYPE_B )
275 bs_write1( s, sh->b_ref_pic_list_reordering[1] );
276 if( sh->b_ref_pic_list_reordering[1] )
278 for( int i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
280 bs_write_ue( s, sh->ref_pic_list_order[1][i].idc );
281 bs_write_ue( s, sh->ref_pic_list_order[1][i].arg );
287 sh->b_weighted_pred = 0;
288 if( sh->pps->b_weighted_pred && sh->i_type == SLICE_TYPE_P )
290 sh->b_weighted_pred = sh->weight[0][0].weightfn || sh->weight[0][1].weightfn || sh->weight[0][2].weightfn;
291 /* pred_weight_table() */
292 bs_write_ue( s, sh->weight[0][0].i_denom );
293 bs_write_ue( s, sh->weight[0][1].i_denom );
294 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
296 int luma_weight_l0_flag = !!sh->weight[i][0].weightfn;
297 int chroma_weight_l0_flag = !!sh->weight[i][1].weightfn || !!sh->weight[i][2].weightfn;
298 bs_write1( s, luma_weight_l0_flag );
299 if( luma_weight_l0_flag )
301 bs_write_se( s, sh->weight[i][0].i_scale );
302 bs_write_se( s, sh->weight[i][0].i_offset );
304 bs_write1( s, chroma_weight_l0_flag );
305 if( chroma_weight_l0_flag )
307 for( int j = 1; j < 3; j++ )
309 bs_write_se( s, sh->weight[i][j].i_scale );
310 bs_write_se( s, sh->weight[i][j].i_offset );
315 else if( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B )
320 if( i_nal_ref_idc != 0 )
322 if( sh->i_idr_pic_id >= 0 )
324 bs_write1( s, 0 ); /* no output of prior pics flag */
325 bs_write1( s, 0 ); /* long term reference flag */
329 bs_write1( s, sh->i_mmco_command_count > 0 ); /* adaptive_ref_pic_marking_mode_flag */
330 if( sh->i_mmco_command_count > 0 )
332 for( int i = 0; i < sh->i_mmco_command_count; i++ )
334 bs_write_ue( s, 1 ); /* mark short term ref as unused */
335 bs_write_ue( s, sh->mmco[i].i_difference_of_pic_nums - 1 );
337 bs_write_ue( s, 0 ); /* end command list */
342 if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I )
343 bs_write_ue( s, sh->i_cabac_init_idc );
345 bs_write_se( s, sh->i_qp_delta ); /* slice qp delta */
347 if( sh->pps->b_deblocking_filter_control )
349 bs_write_ue( s, sh->i_disable_deblocking_filter_idc );
350 if( sh->i_disable_deblocking_filter_idc != 1 )
352 bs_write_se( s, sh->i_alpha_c0_offset >> 1 );
353 bs_write_se( s, sh->i_beta_offset >> 1 );
358 /* If we are within a reasonable distance of the end of the memory allocated for the bitstream, */
359 /* reallocate, adding an arbitrary amount of space. */
360 static int x264_bitstream_check_buffer( x264_t *h )
362 uint8_t *bs_bak = h->out.p_bitstream;
363 int max_row_size = (2500 << SLICE_MBAFF) * h->mb.i_mb_width;
364 if( (h->param.b_cabac && (h->cabac.p_end - h->cabac.p < max_row_size)) ||
365 (h->out.bs.p_end - h->out.bs.p < max_row_size) )
367 h->out.i_bitstream += max_row_size;
368 CHECKED_MALLOC( h->out.p_bitstream, h->out.i_bitstream );
369 h->mc.memcpy_aligned( h->out.p_bitstream, bs_bak, (h->out.i_bitstream - max_row_size) & ~15 );
370 intptr_t delta = h->out.p_bitstream - bs_bak;
372 h->out.bs.p_start += delta;
373 h->out.bs.p += delta;
374 h->out.bs.p_end = h->out.p_bitstream + h->out.i_bitstream;
376 h->cabac.p_start += delta;
378 h->cabac.p_end = h->out.p_bitstream + h->out.i_bitstream;
380 for( int i = 0; i <= h->out.i_nal; i++ )
381 h->out.nal[i].p_payload += delta;
391 static void x264_encoder_thread_init( x264_t *h )
393 if( h->param.i_sync_lookahead )
394 x264_lower_thread_priority( 10 );
397 /* Misalign mask has to be set separately for each thread. */
398 if( h->param.cpu&X264_CPU_SSE_MISALIGN )
399 x264_cpu_mask_misalign_sse();
403 static void x264_lookahead_thread_init( x264_t *h )
406 /* Misalign mask has to be set separately for each thread. */
407 if( h->param.cpu&X264_CPU_SSE_MISALIGN )
408 x264_cpu_mask_misalign_sse();
413 /****************************************************************************
415 ****************************************************************************
416 ****************************** External API*********************************
417 ****************************************************************************
419 ****************************************************************************/
421 static int x264_validate_parameters( x264_t *h, int b_open )
426 int cpuflags = x264_cpu_detect();
429 if( !(cpuflags & X264_CPU_SSE) )
431 x264_log( h, X264_LOG_ERROR, "your cpu does not support SSE1, but x264 was compiled with asm\n");
435 if( !(cpuflags & X264_CPU_MMX2) )
437 x264_log( h, X264_LOG_ERROR, "your cpu does not support MMXEXT, but x264 was compiled with asm\n");
441 if( !fail && !(cpuflags & X264_CPU_CMOV) )
443 x264_log( h, X264_LOG_ERROR, "your cpu does not support CMOV, but x264 was compiled with asm\n");
448 x264_log( h, X264_LOG_ERROR, "to run x264, recompile without asm (configure --disable-asm)\n");
455 h->param.b_interlaced = !!PARAM_INTERLACED;
457 if( h->param.b_interlaced )
459 x264_log( h, X264_LOG_ERROR, "not compiled with interlaced support\n" );
464 if( h->param.i_width <= 0 || h->param.i_height <= 0 )
466 x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
467 h->param.i_width, h->param.i_height );
471 int i_csp = h->param.i_csp & X264_CSP_MASK;
472 #if X264_CHROMA_FORMAT
473 if( CHROMA_FORMAT != CHROMA_420 && i_csp >= X264_CSP_I420 && i_csp <= X264_CSP_NV12 )
475 x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:0 support\n" );
478 else if( CHROMA_FORMAT != CHROMA_422 && i_csp >= X264_CSP_I422 && i_csp <= X264_CSP_NV16 )
480 x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:2 support\n" );
483 else if( CHROMA_FORMAT != CHROMA_444 && i_csp >= X264_CSP_I444 && i_csp <= X264_CSP_RGB )
485 x264_log( h, X264_LOG_ERROR, "not compiled with 4:4:4 support\n" );
489 if( i_csp <= X264_CSP_NONE || i_csp >= X264_CSP_MAX )
491 x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420/YV12/NV12/I422/YV16/NV16/I444/YV24/BGR/BGRA/RGB supported)\n" );
495 if( i_csp < X264_CSP_I444 && h->param.i_width % 2 )
497 x264_log( h, X264_LOG_ERROR, "width not divisible by 2 (%dx%d)\n",
498 h->param.i_width, h->param.i_height );
502 if( i_csp < X264_CSP_I422 && PARAM_INTERLACED && h->param.i_height % 4 )
504 x264_log( h, X264_LOG_ERROR, "height not divisible by 4 (%dx%d)\n",
505 h->param.i_width, h->param.i_height );
509 if( (i_csp < X264_CSP_I422 || PARAM_INTERLACED) && h->param.i_height % 2 )
511 x264_log( h, X264_LOG_ERROR, "height not divisible by 2 (%dx%d)\n",
512 h->param.i_width, h->param.i_height );
516 if( (h->param.crop_rect.i_left + h->param.crop_rect.i_right ) >= h->param.i_width ||
517 (h->param.crop_rect.i_top + h->param.crop_rect.i_bottom) >= h->param.i_height )
519 x264_log( h, X264_LOG_ERROR, "invalid crop-rect %u,%u,%u,%u\n", h->param.crop_rect.i_left,
520 h->param.crop_rect.i_top, h->param.crop_rect.i_right, h->param.crop_rect.i_bottom );
524 if( h->param.i_threads == X264_THREADS_AUTO )
525 h->param.i_threads = x264_cpu_num_processors() * (h->param.b_sliced_threads?2:3)/2;
526 int max_sliced_threads = X264_MAX( 1, (h->param.i_height+15)/16 / 4 );
527 if( h->param.i_threads > 1 )
530 x264_log( h, X264_LOG_WARNING, "not compiled with thread support!\n");
531 h->param.i_threads = 1;
533 /* Avoid absurdly small thread slices as they can reduce performance
534 * and VBV compliance. Capped at an arbitrary 4 rows per thread. */
535 if( h->param.b_sliced_threads )
536 h->param.i_threads = X264_MIN( h->param.i_threads, max_sliced_threads );
538 h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
539 if( h->param.i_threads == 1 )
541 h->param.b_sliced_threads = 0;
542 h->param.i_lookahead_threads = 1;
544 h->i_thread_frames = h->param.b_sliced_threads ? 1 : h->param.i_threads;
545 if( h->i_thread_frames > 1 )
546 h->param.nalu_process = NULL;
548 if( h->param.b_opencl )
551 x264_log( h, X264_LOG_WARNING, "OpenCL: not compiled with OpenCL support, disabling\n" );
552 h->param.b_opencl = 0;
554 x264_log( h, X264_LOG_WARNING, "OpenCL lookahead does not support high bit depth, disabling opencl\n" );
555 h->param.b_opencl = 0;
557 if( h->param.i_width < 32 || h->param.i_height < 32 )
559 x264_log( h, X264_LOG_WARNING, "OpenCL: frame size is too small, disabling opencl\n" );
560 h->param.b_opencl = 0;
563 if( h->param.opencl_device_id && h->param.i_opencl_device )
565 x264_log( h, X264_LOG_WARNING, "OpenCL: device id and device skip count configured; dropping skip\n" );
566 h->param.i_opencl_device = 0;
570 h->param.i_keyint_max = x264_clip3( h->param.i_keyint_max, 1, X264_KEYINT_MAX_INFINITE );
571 if( h->param.i_keyint_max == 1 )
573 h->param.b_intra_refresh = 0;
574 h->param.analyse.i_weighted_pred = 0;
577 h->param.i_frame_packing = x264_clip3( h->param.i_frame_packing, -1, 5 );
579 /* Detect default ffmpeg settings and terminate with an error. */
583 score += h->param.analyse.i_me_range == 0;
584 score += h->param.rc.i_qp_step == 3;
585 score += h->param.i_keyint_max == 12;
586 score += h->param.rc.i_qp_min == 2;
587 score += h->param.rc.i_qp_max == 31;
588 score += h->param.rc.f_qcompress == 0.5;
589 score += fabs(h->param.rc.f_ip_factor - 1.25) < 0.01;
590 score += fabs(h->param.rc.f_pb_factor - 1.25) < 0.01;
591 score += h->param.analyse.inter == 0 && h->param.analyse.i_subpel_refine == 8;
594 x264_log( h, X264_LOG_ERROR, "broken ffmpeg default settings detected\n" );
595 x264_log( h, X264_LOG_ERROR, "use an encoding preset (e.g. -vpre medium)\n" );
596 x264_log( h, X264_LOG_ERROR, "preset usage: -vpre <speed> -vpre <profile>\n" );
597 x264_log( h, X264_LOG_ERROR, "speed presets are listed in x264 --help\n" );
598 x264_log( h, X264_LOG_ERROR, "profile is optional; x264 defaults to high\n" );
603 if( h->param.rc.i_rc_method < 0 || h->param.rc.i_rc_method > 2 )
605 x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" );
608 h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, -QP_BD_OFFSET, 51 );
609 h->param.rc.f_rf_constant_max = x264_clip3f( h->param.rc.f_rf_constant_max, -QP_BD_OFFSET, 51 );
610 h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, QP_MAX );
611 h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 11 );
612 h->param.rc.f_ip_factor = X264_MAX( h->param.rc.f_ip_factor, 0.01f );
613 h->param.rc.f_pb_factor = X264_MAX( h->param.rc.f_pb_factor, 0.01f );
614 if( h->param.rc.i_rc_method == X264_RC_CRF )
616 h->param.rc.i_qp_constant = h->param.rc.f_rf_constant + QP_BD_OFFSET;
617 h->param.rc.i_bitrate = 0;
619 if( b_open && (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF)
620 && h->param.rc.i_qp_constant == 0 )
622 h->mb.b_lossless = 1;
623 h->param.i_cqm_preset = X264_CQM_FLAT;
624 h->param.psz_cqm_file = NULL;
625 h->param.rc.i_rc_method = X264_RC_CQP;
626 h->param.rc.f_ip_factor = 1;
627 h->param.rc.f_pb_factor = 1;
628 h->param.analyse.b_psnr = 0;
629 h->param.analyse.b_ssim = 0;
630 h->param.analyse.i_chroma_qp_offset = 0;
631 h->param.analyse.i_trellis = 0;
632 h->param.analyse.b_fast_pskip = 0;
633 h->param.analyse.i_noise_reduction = 0;
634 h->param.analyse.b_psy = 0;
635 h->param.i_bframe = 0;
636 /* 8x8dct is not useful without RD in CAVLC lossless */
637 if( !h->param.b_cabac && h->param.analyse.i_subpel_refine < 6 )
638 h->param.analyse.b_transform_8x8 = 0;
640 if( h->param.rc.i_rc_method == X264_RC_CQP )
642 float qp_p = h->param.rc.i_qp_constant;
643 float qp_i = qp_p - 6*log2f( h->param.rc.f_ip_factor );
644 float qp_b = qp_p + 6*log2f( h->param.rc.f_pb_factor );
645 h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, QP_MAX );
646 h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, QP_MAX );
647 h->param.rc.i_aq_mode = 0;
648 h->param.rc.b_mb_tree = 0;
649 h->param.rc.i_bitrate = 0;
651 h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, QP_MAX );
652 h->param.rc.i_qp_min = x264_clip3( h->param.rc.i_qp_min, 0, h->param.rc.i_qp_max );
653 h->param.rc.i_qp_step = x264_clip3( h->param.rc.i_qp_step, 2, QP_MAX );
654 h->param.rc.i_bitrate = x264_clip3( h->param.rc.i_bitrate, 0, 2000000 );
655 if( h->param.rc.i_rc_method == X264_RC_ABR && !h->param.rc.i_bitrate )
657 x264_log( h, X264_LOG_ERROR, "bitrate not specified\n" );
660 h->param.rc.i_vbv_buffer_size = x264_clip3( h->param.rc.i_vbv_buffer_size, 0, 2000000 );
661 h->param.rc.i_vbv_max_bitrate = x264_clip3( h->param.rc.i_vbv_max_bitrate, 0, 2000000 );
662 h->param.rc.f_vbv_buffer_init = x264_clip3f( h->param.rc.f_vbv_buffer_init, 0, 2000000 );
663 if( h->param.rc.i_vbv_buffer_size )
665 if( h->param.rc.i_rc_method == X264_RC_CQP )
667 x264_log( h, X264_LOG_WARNING, "VBV is incompatible with constant QP, ignored.\n" );
668 h->param.rc.i_vbv_max_bitrate = 0;
669 h->param.rc.i_vbv_buffer_size = 0;
671 else if( h->param.rc.i_vbv_max_bitrate == 0 )
673 if( h->param.rc.i_rc_method == X264_RC_ABR )
675 x264_log( h, X264_LOG_WARNING, "VBV maxrate unspecified, assuming CBR\n" );
676 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate;
680 x264_log( h, X264_LOG_WARNING, "VBV bufsize set but maxrate unspecified, ignored\n" );
681 h->param.rc.i_vbv_buffer_size = 0;
684 else if( h->param.rc.i_vbv_max_bitrate < h->param.rc.i_bitrate &&
685 h->param.rc.i_rc_method == X264_RC_ABR )
687 x264_log( h, X264_LOG_WARNING, "max bitrate less than average bitrate, assuming CBR\n" );
688 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate;
691 else if( h->param.rc.i_vbv_max_bitrate )
693 x264_log( h, X264_LOG_WARNING, "VBV maxrate specified, but no bufsize, ignored\n" );
694 h->param.rc.i_vbv_max_bitrate = 0;
697 h->param.i_slice_max_size = X264_MAX( h->param.i_slice_max_size, 0 );
698 h->param.i_slice_max_mbs = X264_MAX( h->param.i_slice_max_mbs, 0 );
699 h->param.i_slice_min_mbs = X264_MAX( h->param.i_slice_min_mbs, 0 );
700 if( h->param.i_slice_max_mbs )
701 h->param.i_slice_min_mbs = X264_MIN( h->param.i_slice_min_mbs, h->param.i_slice_max_mbs/2 );
702 else if( !h->param.i_slice_max_size )
703 h->param.i_slice_min_mbs = 0;
704 if( PARAM_INTERLACED && h->param.i_slice_min_mbs )
706 x264_log( h, X264_LOG_WARNING, "interlace + slice-min-mbs is not implemented\n" );
707 h->param.i_slice_min_mbs = 0;
709 int mb_width = (h->param.i_width+15)/16;
710 if( h->param.i_slice_min_mbs > mb_width )
712 x264_log( h, X264_LOG_WARNING, "slice-min-mbs > row mb size (%d) not implemented\n", mb_width );
713 h->param.i_slice_min_mbs = mb_width;
716 int max_slices = (h->param.i_height+((16<<PARAM_INTERLACED)-1))/(16<<PARAM_INTERLACED);
717 if( h->param.b_sliced_threads )
718 h->param.i_slice_count = x264_clip3( h->param.i_threads, 0, max_slices );
721 h->param.i_slice_count = x264_clip3( h->param.i_slice_count, 0, max_slices );
722 if( h->param.i_slice_max_mbs || h->param.i_slice_max_size )
723 h->param.i_slice_count = 0;
725 if( h->param.i_slice_count_max > 0 )
726 h->param.i_slice_count_max = X264_MAX( h->param.i_slice_count, h->param.i_slice_count_max );
728 if( h->param.b_bluray_compat )
730 h->param.i_bframe_pyramid = X264_MIN( X264_B_PYRAMID_STRICT, h->param.i_bframe_pyramid );
731 h->param.i_bframe = X264_MIN( h->param.i_bframe, 3 );
733 h->param.i_nal_hrd = X264_MAX( h->param.i_nal_hrd, X264_NAL_HRD_VBR );
734 h->param.i_slice_max_size = 0;
735 h->param.i_slice_max_mbs = 0;
736 h->param.b_intra_refresh = 0;
737 h->param.i_frame_reference = X264_MIN( h->param.i_frame_reference, 6 );
738 h->param.i_dpb_size = X264_MIN( h->param.i_dpb_size, 6 );
739 /* Don't use I-frames, because Blu-ray treats them the same as IDR. */
740 h->param.i_keyint_min = 1;
741 /* Due to the proliferation of broken players that don't handle dupes properly. */
742 h->param.analyse.i_weighted_pred = X264_MIN( h->param.analyse.i_weighted_pred, X264_WEIGHTP_SIMPLE );
743 if( h->param.b_fake_interlaced )
744 h->param.b_pic_struct = 1;
747 h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, X264_REF_MAX );
748 h->param.i_dpb_size = x264_clip3( h->param.i_dpb_size, 1, X264_REF_MAX );
749 if( h->param.i_scenecut_threshold < 0 )
750 h->param.i_scenecut_threshold = 0;
751 h->param.analyse.i_direct_mv_pred = x264_clip3( h->param.analyse.i_direct_mv_pred, X264_DIRECT_PRED_NONE, X264_DIRECT_PRED_AUTO );
752 if( !h->param.analyse.i_subpel_refine && h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
754 x264_log( h, X264_LOG_WARNING, "subme=0 + direct=temporal is not supported\n" );
755 h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
757 h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_MIN( X264_BFRAME_MAX, h->param.i_keyint_max-1 ) );
758 h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
759 if( h->param.i_bframe <= 1 )
760 h->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
761 h->param.i_bframe_pyramid = x264_clip3( h->param.i_bframe_pyramid, X264_B_PYRAMID_NONE, X264_B_PYRAMID_NORMAL );
762 h->param.i_bframe_adaptive = x264_clip3( h->param.i_bframe_adaptive, X264_B_ADAPT_NONE, X264_B_ADAPT_TRELLIS );
763 if( !h->param.i_bframe )
765 h->param.i_bframe_adaptive = X264_B_ADAPT_NONE;
766 h->param.analyse.i_direct_mv_pred = 0;
767 h->param.analyse.b_weighted_bipred = 0;
768 h->param.b_open_gop = 0;
770 if( h->param.b_intra_refresh && h->param.i_bframe_pyramid == X264_B_PYRAMID_NORMAL )
772 x264_log( h, X264_LOG_WARNING, "b-pyramid normal + intra-refresh is not supported\n" );
773 h->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
775 if( h->param.b_intra_refresh && (h->param.i_frame_reference > 1 || h->param.i_dpb_size > 1) )
777 x264_log( h, X264_LOG_WARNING, "ref > 1 + intra-refresh is not supported\n" );
778 h->param.i_frame_reference = 1;
779 h->param.i_dpb_size = 1;
781 if( h->param.b_intra_refresh && h->param.b_open_gop )
783 x264_log( h, X264_LOG_WARNING, "intra-refresh is not compatible with open-gop\n" );
784 h->param.b_open_gop = 0;
786 if( !h->param.i_fps_num || !h->param.i_fps_den )
788 h->param.i_fps_num = 25;
789 h->param.i_fps_den = 1;
791 float fps = (float) h->param.i_fps_num / h->param.i_fps_den;
792 if( h->param.i_keyint_min == X264_KEYINT_MIN_AUTO )
793 h->param.i_keyint_min = X264_MIN( h->param.i_keyint_max / 10, fps );
794 h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
795 h->param.rc.i_lookahead = x264_clip3( h->param.rc.i_lookahead, 0, X264_LOOKAHEAD_MAX );
797 int maxrate = X264_MAX( h->param.rc.i_vbv_max_bitrate, h->param.rc.i_bitrate );
798 float bufsize = maxrate ? (float)h->param.rc.i_vbv_buffer_size / maxrate : 0;
799 h->param.rc.i_lookahead = X264_MIN( h->param.rc.i_lookahead, X264_MAX( h->param.i_keyint_max, bufsize*fps ) );
802 if( !h->param.i_timebase_num || !h->param.i_timebase_den || !(h->param.b_vfr_input || h->param.b_pulldown) )
804 h->param.i_timebase_num = h->param.i_fps_den;
805 h->param.i_timebase_den = h->param.i_fps_num;
808 h->param.rc.f_qcompress = x264_clip3f( h->param.rc.f_qcompress, 0.0, 1.0 );
809 if( h->param.i_keyint_max == 1 || h->param.rc.f_qcompress == 1 )
810 h->param.rc.b_mb_tree = 0;
811 if( (!h->param.b_intra_refresh && h->param.i_keyint_max != X264_KEYINT_MAX_INFINITE) &&
812 !h->param.rc.i_lookahead && h->param.rc.b_mb_tree )
814 x264_log( h, X264_LOG_WARNING, "lookaheadless mb-tree requires intra refresh or infinite keyint\n" );
815 h->param.rc.b_mb_tree = 0;
817 if( b_open && h->param.rc.b_stat_read )
818 h->param.rc.i_lookahead = 0;
820 if( h->param.i_sync_lookahead < 0 )
821 h->param.i_sync_lookahead = h->param.i_bframe + 1;
822 h->param.i_sync_lookahead = X264_MIN( h->param.i_sync_lookahead, X264_LOOKAHEAD_MAX );
823 if( h->param.rc.b_stat_read || h->i_thread_frames == 1 )
824 h->param.i_sync_lookahead = 0;
826 h->param.i_sync_lookahead = 0;
829 h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 );
830 h->param.i_deblocking_filter_beta = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 );
831 h->param.analyse.i_luma_deadzone[0] = x264_clip3( h->param.analyse.i_luma_deadzone[0], 0, 32 );
832 h->param.analyse.i_luma_deadzone[1] = x264_clip3( h->param.analyse.i_luma_deadzone[1], 0, 32 );
834 h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 );
836 if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
837 h->param.i_cqm_preset = X264_CQM_FLAT;
839 if( h->param.analyse.i_me_method < X264_ME_DIA ||
840 h->param.analyse.i_me_method > X264_ME_TESA )
841 h->param.analyse.i_me_method = X264_ME_HEX;
842 h->param.analyse.i_me_range = x264_clip3( h->param.analyse.i_me_range, 4, 1024 );
843 if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
844 h->param.analyse.i_me_range = 16;
845 if( h->param.analyse.i_me_method == X264_ME_TESA &&
846 (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) )
847 h->param.analyse.i_me_method = X264_ME_ESA;
848 h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1;
849 h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16|
850 X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
851 h->param.analyse.intra &= X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
852 if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
853 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
854 if( !h->param.analyse.b_transform_8x8 )
856 h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
857 h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
859 h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
860 h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 2 );
861 h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 );
862 if( h->param.rc.f_aq_strength == 0 )
863 h->param.rc.i_aq_mode = 0;
865 if( h->param.i_log_level < X264_LOG_INFO )
867 h->param.analyse.b_psnr = 0;
868 h->param.analyse.b_ssim = 0;
870 /* Warn users trying to measure PSNR/SSIM with psy opts on. */
871 if( b_open && (h->param.analyse.b_psnr || h->param.analyse.b_ssim) )
875 if( h->param.analyse.b_psy )
877 s = h->param.analyse.b_psnr ? "psnr" : "ssim";
878 x264_log( h, X264_LOG_WARNING, "--%s used with psy on: results will be invalid!\n", s );
880 else if( !h->param.rc.i_aq_mode && h->param.analyse.b_ssim )
882 x264_log( h, X264_LOG_WARNING, "--ssim used with AQ off: results will be invalid!\n" );
885 else if( h->param.rc.i_aq_mode && h->param.analyse.b_psnr )
887 x264_log( h, X264_LOG_WARNING, "--psnr used with AQ on: results will be invalid!\n" );
891 x264_log( h, X264_LOG_WARNING, "--tune %s should be used if attempting to benchmark %s!\n", s, s );
894 if( !h->param.analyse.b_psy )
896 h->param.analyse.f_psy_rd = 0;
897 h->param.analyse.f_psy_trellis = 0;
899 h->param.analyse.f_psy_rd = x264_clip3f( h->param.analyse.f_psy_rd, 0, 10 );
900 h->param.analyse.f_psy_trellis = x264_clip3f( h->param.analyse.f_psy_trellis, 0, 10 );
901 h->mb.i_psy_rd = h->param.analyse.i_subpel_refine >= 6 ? FIX8( h->param.analyse.f_psy_rd ) : 0;
902 h->mb.i_psy_trellis = h->param.analyse.i_trellis ? FIX8( h->param.analyse.f_psy_trellis / 4 ) : 0;
903 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -32, 32);
904 /* In 4:4:4 mode, chroma gets twice as much resolution, so we can halve its quality. */
905 if( b_open && i_csp >= X264_CSP_I444 && i_csp < X264_CSP_BGR && h->param.analyse.b_psy )
906 h->param.analyse.i_chroma_qp_offset += 6;
907 /* Psy RDO increases overall quantizers to improve the quality of luma--this indirectly hurts chroma quality */
908 /* so we lower the chroma QP offset to compensate */
909 if( b_open && h->mb.i_psy_rd )
910 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_rd < 0.25 ? 1 : 2;
911 /* Psy trellis has a similar effect. */
912 if( b_open && h->mb.i_psy_trellis )
913 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_trellis < 0.25 ? 1 : 2;
914 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
915 /* MB-tree requires AQ to be on, even if the strength is zero. */
916 if( !h->param.rc.i_aq_mode && h->param.rc.b_mb_tree )
918 h->param.rc.i_aq_mode = 1;
919 h->param.rc.f_aq_strength = 0;
921 h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 );
922 if( h->param.analyse.i_subpel_refine >= 10 && (h->param.analyse.i_trellis != 2 || !h->param.rc.i_aq_mode) )
923 h->param.analyse.i_subpel_refine = 9;
926 const x264_level_t *l = x264_levels;
927 if( h->param.i_level_idc < 0 )
929 int maxrate_bak = h->param.rc.i_vbv_max_bitrate;
930 if( h->param.rc.i_rc_method == X264_RC_ABR && h->param.rc.i_vbv_buffer_size <= 0 )
931 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate * 2;
932 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
933 do h->param.i_level_idc = l->level_idc;
934 while( l[1].level_idc && x264_validate_levels( h, 0 ) && l++ );
935 h->param.rc.i_vbv_max_bitrate = maxrate_bak;
939 while( l->level_idc && l->level_idc != h->param.i_level_idc )
941 if( l->level_idc == 0 )
943 x264_log( h, X264_LOG_ERROR, "invalid level_idc: %d\n", h->param.i_level_idc );
947 if( h->param.analyse.i_mv_range <= 0 )
948 h->param.analyse.i_mv_range = l->mv_range >> PARAM_INTERLACED;
950 h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> PARAM_INTERLACED);
953 h->param.analyse.i_weighted_pred = x264_clip3( h->param.analyse.i_weighted_pred, X264_WEIGHTP_NONE, X264_WEIGHTP_SMART );
955 if( h->param.i_lookahead_threads == X264_THREADS_AUTO )
957 if( h->param.b_sliced_threads )
958 h->param.i_lookahead_threads = h->param.i_threads;
961 /* If we're using much slower lookahead settings than encoding settings, it helps a lot to use
962 * more lookahead threads. This typically happens in the first pass of a two-pass encode, so
963 * try to guess at this sort of case.
965 * Tuned by a little bit of real encoding with the various presets. */
966 int badapt = h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS;
967 int subme = X264_MIN( h->param.analyse.i_subpel_refine / 3, 3 ) + (h->param.analyse.i_subpel_refine > 1);
968 int bframes = X264_MIN( (h->param.i_bframe - 1) / 3, 3 );
970 /* [b-adapt 0/1 vs 2][quantized subme][quantized bframes] */
971 static const uint8_t lookahead_thread_div[2][5][4] =
972 {{{6,6,6,6}, {3,3,3,3}, {4,4,4,4}, {6,6,6,6}, {12,12,12,12}},
973 {{3,2,1,1}, {2,1,1,1}, {4,3,2,1}, {6,4,3,2}, {12, 9, 6, 4}}};
975 h->param.i_lookahead_threads = h->param.i_threads / lookahead_thread_div[badapt][subme][bframes];
976 /* Since too many lookahead threads significantly degrades lookahead accuracy, limit auto
977 * lookahead threads to about 8 macroblock rows high each at worst. This number is chosen
978 * pretty much arbitrarily. */
979 h->param.i_lookahead_threads = X264_MIN( h->param.i_lookahead_threads, h->param.i_height / 128 );
982 h->param.i_lookahead_threads = x264_clip3( h->param.i_lookahead_threads, 1, X264_MIN( max_sliced_threads, X264_LOOKAHEAD_THREAD_MAX ) );
984 if( PARAM_INTERLACED )
986 if( h->param.analyse.i_me_method >= X264_ME_ESA )
988 x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
989 h->param.analyse.i_me_method = X264_ME_UMH;
991 if( h->param.analyse.i_weighted_pred > 0 )
993 x264_log( h, X264_LOG_WARNING, "interlace + weightp is not implemented\n" );
994 h->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
998 if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy )
999 h->param.analyse.i_weighted_pred = X264_WEIGHTP_FAKE;
1001 if( h->i_thread_frames > 1 )
1003 int r = h->param.analyse.i_mv_range_thread;
1007 // half of the available space is reserved and divided evenly among the threads,
1008 // the rest is allocated to whichever thread is far enough ahead to use it.
1009 // reserving more space increases quality for some videos, but costs more time
1010 // in thread synchronization.
1011 int max_range = (h->param.i_height + X264_THREAD_HEIGHT) / h->i_thread_frames - X264_THREAD_HEIGHT;
1014 r = X264_MAX( r, h->param.analyse.i_me_range );
1015 r = X264_MIN( r, h->param.analyse.i_mv_range );
1016 // round up to use the whole mb row
1017 r2 = (r & ~15) + ((-X264_THREAD_HEIGHT) & 15);
1020 x264_log( h, X264_LOG_DEBUG, "using mv_range_thread = %d\n", r2 );
1021 h->param.analyse.i_mv_range_thread = r2;
1024 if( h->param.rc.f_rate_tolerance < 0 )
1025 h->param.rc.f_rate_tolerance = 0;
1026 if( h->param.rc.f_qblur < 0 )
1027 h->param.rc.f_qblur = 0;
1028 if( h->param.rc.f_complexity_blur < 0 )
1029 h->param.rc.f_complexity_blur = 0;
1031 h->param.i_sps_id &= 31;
1033 if( PARAM_INTERLACED )
1034 h->param.b_pic_struct = 1;
1036 h->param.i_nal_hrd = x264_clip3( h->param.i_nal_hrd, X264_NAL_HRD_NONE, X264_NAL_HRD_CBR );
1038 if( h->param.i_nal_hrd && !h->param.rc.i_vbv_buffer_size )
1040 x264_log( h, X264_LOG_WARNING, "NAL HRD parameters require VBV parameters\n" );
1041 h->param.i_nal_hrd = X264_NAL_HRD_NONE;
1044 if( h->param.i_nal_hrd == X264_NAL_HRD_CBR &&
1045 (h->param.rc.i_bitrate != h->param.rc.i_vbv_max_bitrate || !h->param.rc.i_vbv_max_bitrate) )
1047 x264_log( h, X264_LOG_WARNING, "CBR HRD requires constant bitrate\n" );
1048 h->param.i_nal_hrd = X264_NAL_HRD_VBR;
1051 /* ensure the booleans are 0 or 1 so they can be used in math */
1052 #define BOOLIFY(x) h->param.x = !!h->param.x
1054 BOOLIFY( b_constrained_intra );
1055 BOOLIFY( b_deblocking_filter );
1056 BOOLIFY( b_deterministic );
1057 BOOLIFY( b_sliced_threads );
1058 BOOLIFY( b_interlaced );
1059 BOOLIFY( b_intra_refresh );
1060 BOOLIFY( b_visualize );
1062 BOOLIFY( b_repeat_headers );
1063 BOOLIFY( b_annexb );
1064 BOOLIFY( b_vfr_input );
1065 BOOLIFY( b_pulldown );
1067 BOOLIFY( b_pic_struct );
1068 BOOLIFY( b_fake_interlaced );
1069 BOOLIFY( b_open_gop );
1070 BOOLIFY( b_bluray_compat );
1071 BOOLIFY( b_full_recon );
1072 BOOLIFY( b_opencl );
1073 BOOLIFY( analyse.b_transform_8x8 );
1074 BOOLIFY( analyse.b_weighted_bipred );
1075 BOOLIFY( analyse.b_chroma_me );
1076 BOOLIFY( analyse.b_mixed_references );
1077 BOOLIFY( analyse.b_fast_pskip );
1078 BOOLIFY( analyse.b_dct_decimate );
1079 BOOLIFY( analyse.b_psy );
1080 BOOLIFY( analyse.b_psnr );
1081 BOOLIFY( analyse.b_ssim );
1082 BOOLIFY( rc.b_stat_write );
1083 BOOLIFY( rc.b_stat_read );
1084 BOOLIFY( rc.b_mb_tree );
1090 static void mbcmp_init( x264_t *h )
1092 int satd = !h->mb.b_lossless && h->param.analyse.i_subpel_refine > 1;
1093 memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad_aligned, sizeof(h->pixf.mbcmp) );
1094 memcpy( h->pixf.mbcmp_unaligned, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp_unaligned) );
1095 h->pixf.intra_mbcmp_x3_16x16 = satd ? h->pixf.intra_satd_x3_16x16 : h->pixf.intra_sad_x3_16x16;
1096 h->pixf.intra_mbcmp_x3_8x16c = satd ? h->pixf.intra_satd_x3_8x16c : h->pixf.intra_sad_x3_8x16c;
1097 h->pixf.intra_mbcmp_x3_8x8c = satd ? h->pixf.intra_satd_x3_8x8c : h->pixf.intra_sad_x3_8x8c;
1098 h->pixf.intra_mbcmp_x3_8x8 = satd ? h->pixf.intra_sa8d_x3_8x8 : h->pixf.intra_sad_x3_8x8;
1099 h->pixf.intra_mbcmp_x3_4x4 = satd ? h->pixf.intra_satd_x3_4x4 : h->pixf.intra_sad_x3_4x4;
1100 h->pixf.intra_mbcmp_x9_4x4 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
1101 : satd ? h->pixf.intra_satd_x9_4x4 : h->pixf.intra_sad_x9_4x4;
1102 h->pixf.intra_mbcmp_x9_8x8 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
1103 : satd ? h->pixf.intra_sa8d_x9_8x8 : h->pixf.intra_sad_x9_8x8;
1104 satd &= h->param.analyse.i_me_method == X264_ME_TESA;
1105 memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) );
1106 memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) );
1107 memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) );
1110 static void chroma_dsp_init( x264_t *h )
1112 memcpy( h->luma2chroma_pixel, x264_luma2chroma_pixel[CHROMA_FORMAT], sizeof(h->luma2chroma_pixel) );
1114 switch( CHROMA_FORMAT )
1117 memcpy( h->predict_chroma, h->predict_8x8c, sizeof(h->predict_chroma) );
1118 h->mc.prefetch_fenc = h->mc.prefetch_fenc_420;
1119 h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_420;
1120 h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_420_intra;
1121 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_420_mbaff;
1122 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_420_intra_mbaff;
1123 h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x8c;
1124 h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last4;
1125 h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run4;
1128 memcpy( h->predict_chroma, h->predict_8x16c, sizeof(h->predict_chroma) );
1129 h->mc.prefetch_fenc = h->mc.prefetch_fenc_422;
1130 h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_422;
1131 h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_422_intra;
1132 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_422_mbaff;
1133 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_422_intra_mbaff;
1134 h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x16c;
1135 h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last8;
1136 h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run8;
1139 h->mc.prefetch_fenc = h->mc.prefetch_fenc_422; /* FIXME: doesn't cover V plane */
1140 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_luma_mbaff;
1141 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_luma_intra_mbaff;
1146 static void x264_set_aspect_ratio( x264_t *h, x264_param_t *param, int initial )
1149 if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
1151 uint32_t i_w = param->vui.i_sar_width;
1152 uint32_t i_h = param->vui.i_sar_height;
1153 uint32_t old_w = h->param.vui.i_sar_width;
1154 uint32_t old_h = h->param.vui.i_sar_height;
1156 x264_reduce_fraction( &i_w, &i_h );
1158 while( i_w > 65535 || i_h > 65535 )
1164 x264_reduce_fraction( &i_w, &i_h );
1166 if( i_w != old_w || i_h != old_h || initial )
1168 h->param.vui.i_sar_width = 0;
1169 h->param.vui.i_sar_height = 0;
1170 if( i_w == 0 || i_h == 0 )
1171 x264_log( h, X264_LOG_WARNING, "cannot create valid sample aspect ratio\n" );
1174 x264_log( h, initial?X264_LOG_INFO:X264_LOG_DEBUG, "using SAR=%d/%d\n", i_w, i_h );
1175 h->param.vui.i_sar_width = i_w;
1176 h->param.vui.i_sar_height = i_h;
1178 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1183 /****************************************************************************
1184 * x264_encoder_open:
1185 ****************************************************************************/
1186 x264_t *x264_encoder_open( x264_param_t *param )
1190 int qp, i_slicetype_length;
1192 CHECKED_MALLOCZERO( h, sizeof(x264_t) );
1194 /* Create a copy of param */
1195 memcpy( &h->param, param, sizeof(x264_param_t) );
1197 if( param->param_free )
1198 param->param_free( param );
1200 if( x264_threading_init() )
1202 x264_log( h, X264_LOG_ERROR, "unable to initialize threading\n" );
1206 if( x264_validate_parameters( h, 1 ) < 0 )
1209 if( h->param.psz_cqm_file )
1210 if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
1213 if( h->param.rc.psz_stat_out )
1214 h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out );
1215 if( h->param.rc.psz_stat_in )
1216 h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
1218 x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
1219 x264_reduce_fraction( &h->param.i_timebase_num, &h->param.i_timebase_den );
1224 h->i_idr_pic_id = 0;
1226 if( (uint64_t)h->param.i_timebase_den * 2 > UINT32_MAX )
1228 x264_log( h, X264_LOG_ERROR, "Effective timebase denominator %u exceeds H.264 maximum\n", h->param.i_timebase_den );
1232 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1233 x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps );
1235 x264_set_aspect_ratio( h, &h->param, 1 );
1237 x264_validate_levels( h, 1 );
1239 h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset;
1241 if( x264_cqm_init( h ) < 0 )
1244 h->mb.i_mb_width = h->sps->i_mb_width;
1245 h->mb.i_mb_height = h->sps->i_mb_height;
1246 h->mb.i_mb_count = h->mb.i_mb_width * h->mb.i_mb_height;
1248 h->mb.chroma_h_shift = CHROMA_FORMAT == CHROMA_420 || CHROMA_FORMAT == CHROMA_422;
1249 h->mb.chroma_v_shift = CHROMA_FORMAT == CHROMA_420;
1251 /* Adaptive MBAFF and subme 0 are not supported as we require halving motion
1252 * vectors during prediction, resulting in hpel mvs.
1253 * The chosen solution is to make MBAFF non-adaptive in this case. */
1254 h->mb.b_adaptive_mbaff = PARAM_INTERLACED && h->param.analyse.i_subpel_refine;
1257 if( h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS && !h->param.rc.b_stat_read )
1258 h->frames.i_delay = X264_MAX(h->param.i_bframe,3)*4;
1260 h->frames.i_delay = h->param.i_bframe;
1261 if( h->param.rc.b_mb_tree || h->param.rc.i_vbv_buffer_size )
1262 h->frames.i_delay = X264_MAX( h->frames.i_delay, h->param.rc.i_lookahead );
1263 i_slicetype_length = h->frames.i_delay;
1264 h->frames.i_delay += h->i_thread_frames - 1;
1265 h->frames.i_delay += h->param.i_sync_lookahead;
1266 h->frames.i_delay += h->param.b_vfr_input;
1267 h->frames.i_bframe_delay = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 2 : 1) : 0;
1269 h->frames.i_max_ref0 = h->param.i_frame_reference;
1270 h->frames.i_max_ref1 = X264_MIN( h->sps->vui.i_num_reorder_frames, h->param.i_frame_reference );
1271 h->frames.i_max_dpb = h->sps->vui.i_max_dec_frame_buffering;
1272 h->frames.b_have_lowres = !h->param.rc.b_stat_read
1273 && ( h->param.rc.i_rc_method == X264_RC_ABR
1274 || h->param.rc.i_rc_method == X264_RC_CRF
1275 || h->param.i_bframe_adaptive
1276 || h->param.i_scenecut_threshold
1277 || h->param.rc.b_mb_tree
1278 || h->param.analyse.i_weighted_pred );
1279 h->frames.b_have_lowres |= h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0;
1280 h->frames.b_have_sub8x8_esa = !!(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
1282 h->frames.i_last_idr =
1283 h->frames.i_last_keyframe = - h->param.i_keyint_max;
1284 h->frames.i_input = 0;
1285 h->frames.i_largest_pts = h->frames.i_second_largest_pts = -1;
1286 h->frames.i_poc_last_open_gop = -1;
1288 CHECKED_MALLOCZERO( h->frames.unused[0], (h->frames.i_delay + 3) * sizeof(x264_frame_t *) );
1289 /* Allocate room for max refs plus a few extra just in case. */
1290 CHECKED_MALLOCZERO( h->frames.unused[1], (h->i_thread_frames + X264_REF_MAX + 4) * sizeof(x264_frame_t *) );
1291 CHECKED_MALLOCZERO( h->frames.current, (h->param.i_sync_lookahead + h->param.i_bframe
1292 + h->i_thread_frames + 3) * sizeof(x264_frame_t *) );
1293 if( h->param.analyse.i_weighted_pred > 0 )
1294 CHECKED_MALLOCZERO( h->frames.blank_unused, h->i_thread_frames * 4 * sizeof(x264_frame_t *) );
1295 h->i_ref[0] = h->i_ref[1] = 0;
1296 h->i_cpb_delay = h->i_coded_fields = h->i_disp_fields = 0;
1297 h->i_prev_duration = ((uint64_t)h->param.i_fps_den * h->sps->vui.i_time_scale) / ((uint64_t)h->param.i_fps_num * h->sps->vui.i_num_units_in_tick);
1298 h->i_disp_fields_last_frame = -1;
1301 /* init CPU functions */
1302 x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
1303 x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
1304 x264_predict_8x16c_init( h->param.cpu, h->predict_8x16c );
1305 x264_predict_8x8_init( h->param.cpu, h->predict_8x8, &h->predict_8x8_filter );
1306 x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
1307 x264_pixel_init( h->param.cpu, &h->pixf );
1308 x264_dct_init( h->param.cpu, &h->dctf );
1309 x264_zigzag_init( h->param.cpu, &h->zigzagf_progressive, &h->zigzagf_interlaced );
1310 memcpy( &h->zigzagf, PARAM_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
1311 x264_mc_init( h->param.cpu, &h->mc, h->param.b_cpu_independent );
1312 x264_quant_init( h, h->param.cpu, &h->quantf );
1313 x264_deblock_init( h->param.cpu, &h->loopf, PARAM_INTERLACED );
1314 x264_bitstream_init( h->param.cpu, &h->bsf );
1315 if( h->param.b_cabac )
1316 x264_cabac_init( h );
1318 x264_stack_align( x264_cavlc_init, h );
1321 chroma_dsp_init( h );
1323 p = buf + sprintf( buf, "using cpu capabilities:" );
1324 for( int i = 0; x264_cpu_names[i].flags; i++ )
1326 if( !strcmp(x264_cpu_names[i].name, "SSE")
1327 && h->param.cpu & (X264_CPU_SSE2) )
1329 if( !strcmp(x264_cpu_names[i].name, "SSE2")
1330 && h->param.cpu & (X264_CPU_SSE2_IS_FAST|X264_CPU_SSE2_IS_SLOW) )
1332 if( !strcmp(x264_cpu_names[i].name, "SSE3")
1333 && (h->param.cpu & X264_CPU_SSSE3 || !(h->param.cpu & X264_CPU_CACHELINE_64)) )
1335 if( !strcmp(x264_cpu_names[i].name, "SSE4.1")
1336 && (h->param.cpu & X264_CPU_SSE42) )
1338 if( !strcmp(x264_cpu_names[i].name, "BMI1")
1339 && (h->param.cpu & X264_CPU_BMI2) )
1341 if( (h->param.cpu & x264_cpu_names[i].flags) == x264_cpu_names[i].flags
1342 && (!i || x264_cpu_names[i].flags != x264_cpu_names[i-1].flags) )
1343 p += sprintf( p, " %s", x264_cpu_names[i].name );
1346 p += sprintf( p, " none!" );
1347 x264_log( h, X264_LOG_INFO, "%s\n", buf );
1349 float *logs = x264_analyse_prepare_costs( h );
1352 for( qp = X264_MIN( h->param.rc.i_qp_min, QP_MAX_SPEC ); qp <= h->param.rc.i_qp_max; qp++ )
1353 if( x264_analyse_init_costs( h, logs, qp ) )
1355 if( x264_analyse_init_costs( h, logs, X264_LOOKAHEAD_QP ) )
1359 static const uint16_t cost_mv_correct[7] = { 24, 47, 95, 189, 379, 757, 1515 };
1360 /* Checks for known miscompilation issues. */
1361 if( h->cost_mv[X264_LOOKAHEAD_QP][2013] != cost_mv_correct[BIT_DEPTH-8] )
1363 x264_log( h, X264_LOG_ERROR, "MV cost test failed: x264 has been miscompiled!\n" );
1367 /* Must be volatile or else GCC will optimize it out. */
1368 volatile int temp = 392;
1369 if( x264_clz( temp ) != 23 )
1371 x264_log( h, X264_LOG_ERROR, "CLZ test failed: x264 has been miscompiled!\n" );
1372 #if ARCH_X86 || ARCH_X86_64
1373 x264_log( h, X264_LOG_ERROR, "Are you attempting to run an SSE4a/LZCNT-targeted build on a CPU that\n" );
1374 x264_log( h, X264_LOG_ERROR, "doesn't support it?\n" );
1380 h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 4
1381 * ( h->param.rc.i_rc_method == X264_RC_ABR ? pow( 0.95, h->param.rc.i_qp_min )
1382 : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
1384 h->nal_buffer_size = h->out.i_bitstream * 3/2 + 4 + 64; /* +4 for startcode, +64 for nal_escape assembly padding */
1385 CHECKED_MALLOC( h->nal_buffer, h->nal_buffer_size );
1387 if( h->param.i_threads > 1 &&
1388 x264_threadpool_init( &h->threadpool, h->param.i_threads, (void*)x264_encoder_thread_init, h ) )
1390 if( h->param.i_lookahead_threads > 1 &&
1391 x264_threadpool_init( &h->lookaheadpool, h->param.i_lookahead_threads, (void*)x264_lookahead_thread_init, h ) )
1395 for( int i = 1; i < h->param.i_threads + !!h->param.i_sync_lookahead; i++ )
1396 CHECKED_MALLOC( h->thread[i], sizeof(x264_t) );
1397 if( h->param.i_lookahead_threads > 1 )
1398 for( int i = 0; i < h->param.i_lookahead_threads; i++ )
1400 CHECKED_MALLOC( h->lookahead_thread[i], sizeof(x264_t) );
1401 *h->lookahead_thread[i] = *h;
1404 for( int i = 0; i < h->param.i_threads; i++ )
1406 int init_nal_count = h->param.i_slice_count + 3;
1407 int allocate_threadlocal_data = !h->param.b_sliced_threads || !i;
1411 if( x264_pthread_mutex_init( &h->thread[i]->mutex, NULL ) )
1413 if( x264_pthread_cond_init( &h->thread[i]->cv, NULL ) )
1416 if( allocate_threadlocal_data )
1418 h->thread[i]->fdec = x264_frame_pop_unused( h, 1 );
1419 if( !h->thread[i]->fdec )
1423 h->thread[i]->fdec = h->thread[0]->fdec;
1425 CHECKED_MALLOC( h->thread[i]->out.p_bitstream, h->out.i_bitstream );
1426 /* Start each thread with room for init_nal_count NAL units; it'll realloc later if needed. */
1427 CHECKED_MALLOC( h->thread[i]->out.nal, init_nal_count*sizeof(x264_nal_t) );
1428 h->thread[i]->out.i_nals_allocated = init_nal_count;
1430 if( allocate_threadlocal_data && x264_macroblock_cache_allocate( h->thread[i] ) < 0 )
1435 if( h->param.b_opencl && x264_opencl_init( h ) < 0 )
1436 h->param.b_opencl = 0;
1439 if( x264_lookahead_init( h, i_slicetype_length ) )
1442 for( int i = 0; i < h->param.i_threads; i++ )
1443 if( x264_macroblock_thread_allocate( h->thread[i], 0 ) < 0 )
1446 if( x264_ratecontrol_new( h ) < 0 )
1449 if( h->param.i_nal_hrd )
1451 x264_log( h, X264_LOG_DEBUG, "HRD bitrate: %i bits/sec\n", h->sps->vui.hrd.i_bit_rate_unscaled );
1452 x264_log( h, X264_LOG_DEBUG, "CPB size: %i bits\n", h->sps->vui.hrd.i_cpb_size_unscaled );
1455 if( h->param.psz_dump_yuv )
1457 /* create or truncate the reconstructed video file */
1458 FILE *f = fopen( h->param.psz_dump_yuv, "w" );
1461 x264_log( h, X264_LOG_ERROR, "dump_yuv: can't write to %s\n", h->param.psz_dump_yuv );
1464 else if( !x264_is_regular_file( f ) )
1466 x264_log( h, X264_LOG_ERROR, "dump_yuv: incompatible with non-regular file %s\n", h->param.psz_dump_yuv );
1472 const char *profile = h->sps->i_profile_idc == PROFILE_BASELINE ? "Constrained Baseline" :
1473 h->sps->i_profile_idc == PROFILE_MAIN ? "Main" :
1474 h->sps->i_profile_idc == PROFILE_HIGH ? "High" :
1475 h->sps->i_profile_idc == PROFILE_HIGH10 ? (h->sps->b_constraint_set3 == 1 ? "High 10 Intra" : "High 10") :
1476 h->sps->i_profile_idc == PROFILE_HIGH422 ? (h->sps->b_constraint_set3 == 1 ? "High 4:2:2 Intra" : "High 4:2:2") :
1477 h->sps->b_constraint_set3 == 1 ? "High 4:4:4 Intra" : "High 4:4:4 Predictive";
1479 snprintf( level, sizeof(level), "%d.%d", h->sps->i_level_idc/10, h->sps->i_level_idc%10 );
1480 if( h->sps->i_level_idc == 9 || ( h->sps->i_level_idc == 11 && h->sps->b_constraint_set3 &&
1481 (h->sps->i_profile_idc == PROFILE_BASELINE || h->sps->i_profile_idc == PROFILE_MAIN) ) )
1482 strcpy( level, "1b" );
1484 if( h->sps->i_profile_idc < PROFILE_HIGH10 )
1486 x264_log( h, X264_LOG_INFO, "profile %s, level %s\n",
1491 static const char * const subsampling[4] = { "4:0:0", "4:2:0", "4:2:2", "4:4:4" };
1492 x264_log( h, X264_LOG_INFO, "profile %s, level %s, %s %d-bit\n",
1493 profile, level, subsampling[CHROMA_FORMAT], BIT_DEPTH );
1502 /****************************************************************************
1503 * x264_encoder_reconfig:
1504 ****************************************************************************/
1505 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
1507 /* If the previous frame isn't done encoding, reconfiguring is probably dangerous. */
1508 if( h->param.b_sliced_threads )
1509 if( x264_threadpool_wait_all( h ) < 0 )
1512 int rc_reconfig = 0;
1513 h = h->thread[h->thread[0]->i_thread_phase];
1514 x264_set_aspect_ratio( h, param, 0 );
1515 #define COPY(var) h->param.var = param->var
1516 COPY( i_frame_reference ); // but never uses more refs than initially specified
1517 COPY( i_bframe_bias );
1518 if( h->param.i_scenecut_threshold )
1519 COPY( i_scenecut_threshold ); // can't turn it on or off, only vary the threshold
1520 COPY( b_deblocking_filter );
1521 COPY( i_deblocking_filter_alphac0 );
1522 COPY( i_deblocking_filter_beta );
1523 COPY( i_frame_packing );
1524 COPY( analyse.inter );
1525 COPY( analyse.intra );
1526 COPY( analyse.i_direct_mv_pred );
1527 /* Scratch buffer prevents me_range from being increased for esa/tesa */
1528 if( h->param.analyse.i_me_method < X264_ME_ESA || param->analyse.i_me_range < h->param.analyse.i_me_range )
1529 COPY( analyse.i_me_range );
1530 COPY( analyse.i_noise_reduction );
1531 /* We can't switch out of subme=0 during encoding. */
1532 if( h->param.analyse.i_subpel_refine )
1533 COPY( analyse.i_subpel_refine );
1534 COPY( analyse.i_trellis );
1535 COPY( analyse.b_chroma_me );
1536 COPY( analyse.b_dct_decimate );
1537 COPY( analyse.b_fast_pskip );
1538 COPY( analyse.b_mixed_references );
1539 COPY( analyse.f_psy_rd );
1540 COPY( analyse.f_psy_trellis );
1542 // can only twiddle these if they were enabled to begin with:
1543 if( h->param.analyse.i_me_method >= X264_ME_ESA || param->analyse.i_me_method < X264_ME_ESA )
1544 COPY( analyse.i_me_method );
1545 if( h->param.analyse.i_me_method >= X264_ME_ESA && !h->frames.b_have_sub8x8_esa )
1546 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
1547 if( h->pps->b_transform_8x8_mode )
1548 COPY( analyse.b_transform_8x8 );
1549 if( h->frames.i_max_ref1 > 1 )
1550 COPY( i_bframe_pyramid );
1551 COPY( i_slice_max_size );
1552 COPY( i_slice_max_mbs );
1553 COPY( i_slice_min_mbs );
1554 COPY( i_slice_count );
1555 COPY( i_slice_count_max );
1558 /* VBV can't be turned on if it wasn't on to begin with */
1559 if( h->param.rc.i_vbv_max_bitrate > 0 && h->param.rc.i_vbv_buffer_size > 0 &&
1560 param->rc.i_vbv_max_bitrate > 0 && param->rc.i_vbv_buffer_size > 0 )
1562 rc_reconfig |= h->param.rc.i_vbv_max_bitrate != param->rc.i_vbv_max_bitrate;
1563 rc_reconfig |= h->param.rc.i_vbv_buffer_size != param->rc.i_vbv_buffer_size;
1564 rc_reconfig |= h->param.rc.i_bitrate != param->rc.i_bitrate;
1565 COPY( rc.i_vbv_max_bitrate );
1566 COPY( rc.i_vbv_buffer_size );
1567 COPY( rc.i_bitrate );
1569 rc_reconfig |= h->param.rc.f_rf_constant != param->rc.f_rf_constant;
1570 rc_reconfig |= h->param.rc.f_rf_constant_max != param->rc.f_rf_constant_max;
1571 COPY( rc.f_rf_constant );
1572 COPY( rc.f_rf_constant_max );
1577 int ret = x264_validate_parameters( h, 0 );
1579 /* Supported reconfiguration options (1-pass only):
1583 * bitrate (CBR only) */
1584 if( !ret && rc_reconfig )
1585 x264_ratecontrol_init_reconfigurable( h, 0 );
1590 /****************************************************************************
1591 * x264_encoder_parameters:
1592 ****************************************************************************/
1593 void x264_encoder_parameters( x264_t *h, x264_param_t *param )
1595 memcpy( param, &h->thread[h->i_thread_phase]->param, sizeof(x264_param_t) );
1598 /* internal usage */
1599 static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
1601 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1603 nal->i_ref_idc = i_ref_idc;
1604 nal->i_type = i_type;
1605 nal->b_long_startcode = 1;
1608 nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1611 /* if number of allocated nals is not enough, re-allocate a larger one. */
1612 static int x264_nal_check_buffer( x264_t *h )
1614 if( h->out.i_nal >= h->out.i_nals_allocated )
1616 x264_nal_t *new_out = x264_malloc( sizeof(x264_nal_t) * (h->out.i_nals_allocated*2) );
1619 memcpy( new_out, h->out.nal, sizeof(x264_nal_t) * (h->out.i_nals_allocated) );
1620 x264_free( h->out.nal );
1621 h->out.nal = new_out;
1622 h->out.i_nals_allocated *= 2;
1627 static int x264_nal_end( x264_t *h )
1629 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1630 uint8_t *end = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1631 nal->i_payload = end - nal->p_payload;
1632 /* Assembly implementation of nal_escape reads past the end of the input.
1633 * While undefined padding wouldn't actually affect the output, it makes valgrind unhappy. */
1634 memset( end, 0xff, 64 );
1635 if( h->param.nalu_process )
1636 h->param.nalu_process( h, nal, h->fenc->opaque );
1639 return x264_nal_check_buffer( h );
1642 static int x264_encoder_encapsulate_nals( x264_t *h, int start )
1644 int nal_size = 0, previous_nal_size = 0;
1646 if( h->param.nalu_process )
1648 for( int i = start; i < h->out.i_nal; i++ )
1649 nal_size += h->out.nal[i].i_payload;
1653 for( int i = 0; i < start; i++ )
1654 previous_nal_size += h->out.nal[i].i_payload;
1656 for( int i = start; i < h->out.i_nal; i++ )
1657 nal_size += h->out.nal[i].i_payload;
1659 /* Worst-case NAL unit escaping: reallocate the buffer if it's too small. */
1660 int necessary_size = nal_size * 3/2 + h->out.i_nal * 4 + 4 + 64;
1661 if( h->nal_buffer_size < necessary_size )
1663 h->nal_buffer_size = necessary_size * 2;
1664 uint8_t *buf = x264_malloc( h->nal_buffer_size );
1667 if( previous_nal_size )
1668 memcpy( buf, h->nal_buffer, previous_nal_size );
1669 x264_free( h->nal_buffer );
1670 h->nal_buffer = buf;
1673 uint8_t *nal_buffer = h->nal_buffer + previous_nal_size;
1675 for( int i = start; i < h->out.i_nal; i++ )
1677 h->out.nal[i].b_long_startcode = !i || h->out.nal[i].i_type == NAL_SPS || h->out.nal[i].i_type == NAL_PPS;
1678 x264_nal_encode( h, nal_buffer, &h->out.nal[i] );
1679 nal_buffer += h->out.nal[i].i_payload;
1684 return nal_buffer - (h->nal_buffer + previous_nal_size);
1687 /****************************************************************************
1688 * x264_encoder_headers:
1689 ****************************************************************************/
1690 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
1693 /* init bitstream context */
1695 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
1697 /* Write SEI, SPS and PPS. */
1699 /* generate sequence parameters */
1700 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
1701 x264_sps_write( &h->out.bs, h->sps );
1702 if( x264_nal_end( h ) )
1705 /* generate picture parameters */
1706 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
1707 x264_pps_write( &h->out.bs, h->sps, h->pps );
1708 if( x264_nal_end( h ) )
1711 /* identify ourselves */
1712 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
1713 if( x264_sei_version_write( h, &h->out.bs ) )
1715 if( x264_nal_end( h ) )
1718 frame_size = x264_encoder_encapsulate_nals( h, 0 );
1719 if( frame_size < 0 )
1723 *pi_nal = h->out.i_nal;
1724 *pp_nal = &h->out.nal[0];
1730 /* Check to see whether we have chosen a reference list ordering different
1731 * from the standard's default. */
1732 static inline void x264_reference_check_reorder( x264_t *h )
1734 /* The reorder check doesn't check for missing frames, so just
1735 * force a reorder if one of the reference list is corrupt. */
1736 for( int i = 0; h->frames.reference[i]; i++ )
1737 if( h->frames.reference[i]->b_corrupt )
1739 h->b_ref_reorder[0] = 1;
1742 for( int list = 0; list <= (h->sh.i_type == SLICE_TYPE_B); list++ )
1743 for( int i = 0; i < h->i_ref[list] - 1; i++ )
1745 int framenum_diff = h->fref[list][i+1]->i_frame_num - h->fref[list][i]->i_frame_num;
1746 int poc_diff = h->fref[list][i+1]->i_poc - h->fref[list][i]->i_poc;
1747 /* P and B-frames use different default orders. */
1748 if( h->sh.i_type == SLICE_TYPE_P ? framenum_diff > 0 : list == 1 ? poc_diff < 0 : poc_diff > 0 )
1750 h->b_ref_reorder[list] = 1;
1756 /* return -1 on failure, else return the index of the new reference frame */
1757 int x264_weighted_reference_duplicate( x264_t *h, int i_ref, const x264_weight_t *w )
1759 int i = h->i_ref[0];
1761 x264_frame_t *newframe;
1762 if( i <= 1 ) /* empty list, definitely can't duplicate frame */
1765 //Duplication is only used in X264_WEIGHTP_SMART
1766 if( h->param.analyse.i_weighted_pred != X264_WEIGHTP_SMART )
1769 /* Duplication is a hack to compensate for crappy rounding in motion compensation.
1770 * With high bit depth, it's not worth doing, so turn it off except in the case of
1771 * unweighted dupes. */
1772 if( BIT_DEPTH > 8 && w != x264_weight_none )
1775 newframe = x264_frame_pop_blank_unused( h );
1779 //FIXME: probably don't need to copy everything
1780 *newframe = *h->fref[0][i_ref];
1781 newframe->i_reference_count = 1;
1782 newframe->orig = h->fref[0][i_ref];
1783 newframe->b_duplicate = 1;
1784 memcpy( h->fenc->weight[j], w, sizeof(h->fenc->weight[i]) );
1786 /* shift the frames to make space for the dupe. */
1787 h->b_ref_reorder[0] = 1;
1788 if( h->i_ref[0] < X264_REF_MAX )
1790 h->fref[0][X264_REF_MAX-1] = NULL;
1791 x264_frame_unshift( &h->fref[0][j], newframe );
1796 static void x264_weighted_pred_init( x264_t *h )
1798 /* for now no analysis and set all weights to nothing */
1799 for( int i_ref = 0; i_ref < h->i_ref[0]; i_ref++ )
1800 h->fenc->weighted[i_ref] = h->fref[0][i_ref]->filtered[0][0];
1802 // FIXME: This only supports weighting of one reference frame
1803 // and duplicates of that frame.
1804 h->fenc->i_lines_weighted = 0;
1806 for( int i_ref = 0; i_ref < (h->i_ref[0] << SLICE_MBAFF); i_ref++ )
1807 for( int i = 0; i < 3; i++ )
1808 h->sh.weight[i_ref][i].weightfn = NULL;
1811 if( h->sh.i_type != SLICE_TYPE_P || h->param.analyse.i_weighted_pred <= 0 )
1814 int i_padv = PADV << PARAM_INTERLACED;
1816 int weightplane[2] = { 0, 0 };
1817 int buffer_next = 0;
1818 for( int i = 0; i < 3; i++ )
1820 for( int j = 0; j < h->i_ref[0]; j++ )
1822 if( h->fenc->weight[j][i].weightfn )
1824 h->sh.weight[j][i] = h->fenc->weight[j][i];
1825 // if weight is useless, don't write it to stream
1826 if( h->sh.weight[j][i].i_scale == 1<<h->sh.weight[j][i].i_denom && h->sh.weight[j][i].i_offset == 0 )
1827 h->sh.weight[j][i].weightfn = NULL;
1830 if( !weightplane[!!i] )
1832 weightplane[!!i] = 1;
1833 h->sh.weight[0][!!i].i_denom = denom = h->sh.weight[j][i].i_denom;
1834 assert( x264_clip3( denom, 0, 7 ) == denom );
1837 assert( h->sh.weight[j][i].i_denom == denom );
1840 h->fenc->weighted[j] = h->mb.p_weight_buf[buffer_next++] + h->fenc->i_stride[0] * i_padv + PADH;
1841 //scale full resolution frame
1842 if( h->param.i_threads == 1 )
1844 pixel *src = h->fref[0][j]->filtered[0][0] - h->fref[0][j]->i_stride[0]*i_padv - PADH;
1845 pixel *dst = h->fenc->weighted[j] - h->fenc->i_stride[0]*i_padv - PADH;
1846 int stride = h->fenc->i_stride[0];
1847 int width = h->fenc->i_width[0] + PADH*2;
1848 int height = h->fenc->i_lines[0] + i_padv*2;
1849 x264_weight_scale_plane( h, dst, stride, src, stride, width, height, &h->sh.weight[j][0] );
1850 h->fenc->i_lines_weighted = height;
1858 if( weightplane[1] )
1859 for( int i = 0; i < h->i_ref[0]; i++ )
1861 if( h->sh.weight[i][1].weightfn && !h->sh.weight[i][2].weightfn )
1863 h->sh.weight[i][2].i_scale = 1 << h->sh.weight[0][1].i_denom;
1864 h->sh.weight[i][2].i_offset = 0;
1866 else if( h->sh.weight[i][2].weightfn && !h->sh.weight[i][1].weightfn )
1868 h->sh.weight[i][1].i_scale = 1 << h->sh.weight[0][1].i_denom;
1869 h->sh.weight[i][1].i_offset = 0;
1873 if( !weightplane[0] )
1874 h->sh.weight[0][0].i_denom = 0;
1875 if( !weightplane[1] )
1876 h->sh.weight[0][1].i_denom = 0;
1877 h->sh.weight[0][2].i_denom = h->sh.weight[0][1].i_denom;
1880 static inline int x264_reference_distance( x264_t *h, x264_frame_t *frame )
1882 if( h->param.i_frame_packing == 5 )
1883 return abs((h->fenc->i_frame&~1) - (frame->i_frame&~1)) +
1884 ((h->fenc->i_frame&1) != (frame->i_frame&1));
1886 return abs(h->fenc->i_frame - frame->i_frame);
1889 static inline void x264_reference_build_list( x264_t *h, int i_poc )
1893 /* build ref list 0/1 */
1894 h->mb.pic.i_fref[0] = h->i_ref[0] = 0;
1895 h->mb.pic.i_fref[1] = h->i_ref[1] = 0;
1896 if( h->sh.i_type == SLICE_TYPE_I )
1899 for( int i = 0; h->frames.reference[i]; i++ )
1901 if( h->frames.reference[i]->b_corrupt )
1903 if( h->frames.reference[i]->i_poc < i_poc )
1904 h->fref[0][h->i_ref[0]++] = h->frames.reference[i];
1905 else if( h->frames.reference[i]->i_poc > i_poc )
1906 h->fref[1][h->i_ref[1]++] = h->frames.reference[i];
1909 /* Order reference lists by distance from the current frame. */
1910 for( int list = 0; list < 2; list++ )
1912 h->fref_nearest[list] = h->fref[list][0];
1916 for( int i = 0; i < h->i_ref[list] - 1; i++ )
1918 if( list ? h->fref[list][i+1]->i_poc < h->fref_nearest[list]->i_poc
1919 : h->fref[list][i+1]->i_poc > h->fref_nearest[list]->i_poc )
1920 h->fref_nearest[list] = h->fref[list][i+1];
1921 if( x264_reference_distance( h, h->fref[list][i] ) > x264_reference_distance( h, h->fref[list][i+1] ) )
1923 XCHG( x264_frame_t*, h->fref[list][i], h->fref[list][i+1] );
1931 if( h->sh.i_mmco_remove_from_end )
1932 for( int i = h->i_ref[0]-1; i >= h->i_ref[0] - h->sh.i_mmco_remove_from_end; i-- )
1934 int diff = h->i_frame_num - h->fref[0][i]->i_frame_num;
1935 h->sh.mmco[h->sh.i_mmco_command_count].i_poc = h->fref[0][i]->i_poc;
1936 h->sh.mmco[h->sh.i_mmco_command_count++].i_difference_of_pic_nums = diff;
1939 x264_reference_check_reorder( h );
1941 h->i_ref[1] = X264_MIN( h->i_ref[1], h->frames.i_max_ref1 );
1942 h->i_ref[0] = X264_MIN( h->i_ref[0], h->frames.i_max_ref0 );
1943 h->i_ref[0] = X264_MIN( h->i_ref[0], h->param.i_frame_reference ); // if reconfig() has lowered the limit
1945 /* For Blu-ray compliance, don't reference frames outside of the minigop. */
1946 if( IS_X264_TYPE_B( h->fenc->i_type ) && h->param.b_bluray_compat )
1947 h->i_ref[0] = X264_MIN( h->i_ref[0], IS_X264_TYPE_B( h->fref[0][0]->i_type ) + 1 );
1949 /* add duplicates */
1950 if( h->fenc->i_type == X264_TYPE_P )
1953 if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
1956 w[1].weightfn = w[2].weightfn = NULL;
1957 if( h->param.rc.b_stat_read )
1958 x264_ratecontrol_set_weights( h, h->fenc );
1960 if( !h->fenc->weight[0][0].weightfn )
1962 h->fenc->weight[0][0].i_denom = 0;
1963 SET_WEIGHT( w[0], 1, 1, 0, -1 );
1964 idx = x264_weighted_reference_duplicate( h, 0, w );
1968 if( h->fenc->weight[0][0].i_scale == 1<<h->fenc->weight[0][0].i_denom )
1970 SET_WEIGHT( h->fenc->weight[0][0], 1, 1, 0, h->fenc->weight[0][0].i_offset );
1972 x264_weighted_reference_duplicate( h, 0, x264_weight_none );
1973 if( h->fenc->weight[0][0].i_offset > -128 )
1975 w[0] = h->fenc->weight[0][0];
1977 h->mc.weight_cache( h, &w[0] );
1978 idx = x264_weighted_reference_duplicate( h, 0, w );
1982 h->mb.ref_blind_dupe = idx;
1985 assert( h->i_ref[0] + h->i_ref[1] <= X264_REF_MAX );
1986 h->mb.pic.i_fref[0] = h->i_ref[0];
1987 h->mb.pic.i_fref[1] = h->i_ref[1];
1990 static void x264_fdec_filter_row( x264_t *h, int mb_y, int pass )
1992 /* mb_y is the mb to be encoded next, not the mb to be filtered here */
1993 int b_hpel = h->fdec->b_kept_as_ref;
1994 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
1995 int b_end = mb_y == h->i_threadslice_end;
1996 int b_measure_quality = 1;
1997 int min_y = mb_y - (1 << SLICE_MBAFF);
1998 int b_start = min_y == h->i_threadslice_start;
1999 /* Even in interlaced mode, deblocking never modifies more than 4 pixels
2000 * above each MB, as bS=4 doesn't happen for the top of interlaced mbpairs. */
2001 int minpix_y = min_y*16 - 4 * !b_start;
2002 int maxpix_y = mb_y*16 - 4 * !b_end;
2003 b_deblock &= b_hpel || h->param.b_full_recon || h->param.psz_dump_yuv;
2004 if( h->param.b_sliced_threads )
2008 /* During encode: only do deblock if asked for */
2011 b_deblock &= h->param.b_full_recon;
2014 /* During post-encode pass: do deblock if not done yet, do hpel for all
2015 * rows except those between slices. */
2017 b_deblock &= !h->param.b_full_recon;
2018 b_hpel &= !(b_start && min_y > 0);
2019 b_measure_quality = 0;
2021 /* Final pass: do the rows between slices in sequence. */
2024 b_measure_quality = 0;
2028 if( mb_y & SLICE_MBAFF )
2030 if( min_y < h->i_threadslice_start )
2034 for( int y = min_y; y < mb_y; y += (1 << SLICE_MBAFF) )
2035 x264_frame_deblock_row( h, y );
2037 /* FIXME: Prediction requires different borders for interlaced/progressive mc,
2038 * but the actual image data is equivalent. For now, maintain this
2039 * consistency by copying deblocked pixels between planes. */
2040 if( PARAM_INTERLACED && (!h->param.b_sliced_threads || pass == 1) )
2041 for( int p = 0; p < h->fdec->i_plane; p++ )
2042 for( int i = minpix_y>>(CHROMA_V_SHIFT && p); i < maxpix_y>>(CHROMA_V_SHIFT && p); i++ )
2043 memcpy( h->fdec->plane_fld[p] + i*h->fdec->i_stride[p],
2044 h->fdec->plane[p] + i*h->fdec->i_stride[p],
2045 h->mb.i_mb_width*16*sizeof(pixel) );
2047 if( h->fdec->b_kept_as_ref && (!h->param.b_sliced_threads || pass == 1) )
2048 x264_frame_expand_border( h, h->fdec, min_y );
2051 int end = mb_y == h->mb.i_mb_height;
2052 /* Can't do hpel until the previous slice is done encoding. */
2053 if( h->param.analyse.i_subpel_refine )
2055 x264_frame_filter( h, h->fdec, min_y, end );
2056 x264_frame_expand_border_filtered( h, h->fdec, min_y, end );
2060 if( SLICE_MBAFF && pass == 0 )
2061 for( int i = 0; i < 3; i++ )
2063 XCHG( pixel *, h->intra_border_backup[0][i], h->intra_border_backup[3][i] );
2064 XCHG( pixel *, h->intra_border_backup[1][i], h->intra_border_backup[4][i] );
2067 if( h->i_thread_frames > 1 && h->fdec->b_kept_as_ref )
2068 x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << SLICE_MBAFF)) );
2070 if( b_measure_quality )
2072 maxpix_y = X264_MIN( maxpix_y, h->param.i_height );
2073 if( h->param.analyse.b_psnr )
2075 for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
2076 h->stat.frame.i_ssd[p] += x264_pixel_ssd_wxh( &h->pixf,
2077 h->fdec->plane[p] + minpix_y * h->fdec->i_stride[p], h->fdec->i_stride[p],
2078 h->fenc->plane[p] + minpix_y * h->fenc->i_stride[p], h->fenc->i_stride[p],
2079 h->param.i_width, maxpix_y-minpix_y );
2082 uint64_t ssd_u, ssd_v;
2083 int v_shift = CHROMA_V_SHIFT;
2084 x264_pixel_ssd_nv12( &h->pixf,
2085 h->fdec->plane[1] + (minpix_y>>v_shift) * h->fdec->i_stride[1], h->fdec->i_stride[1],
2086 h->fenc->plane[1] + (minpix_y>>v_shift) * h->fenc->i_stride[1], h->fenc->i_stride[1],
2087 h->param.i_width>>1, (maxpix_y-minpix_y)>>v_shift, &ssd_u, &ssd_v );
2088 h->stat.frame.i_ssd[1] += ssd_u;
2089 h->stat.frame.i_ssd[2] += ssd_v;
2093 if( h->param.analyse.b_ssim )
2097 /* offset by 2 pixels to avoid alignment of ssim blocks with dct blocks,
2098 * and overlap by 4 */
2099 minpix_y += b_start ? 2 : -6;
2100 h->stat.frame.f_ssim +=
2101 x264_pixel_ssim_wxh( &h->pixf,
2102 h->fdec->plane[0] + 2+minpix_y*h->fdec->i_stride[0], h->fdec->i_stride[0],
2103 h->fenc->plane[0] + 2+minpix_y*h->fenc->i_stride[0], h->fenc->i_stride[0],
2104 h->param.i_width-2, maxpix_y-minpix_y, h->scratch_buffer, &ssim_cnt );
2105 h->stat.frame.i_ssim_cnt += ssim_cnt;
2110 static inline int x264_reference_update( x264_t *h )
2112 if( !h->fdec->b_kept_as_ref )
2114 if( h->i_thread_frames > 1 )
2116 x264_frame_push_unused( h, h->fdec );
2117 h->fdec = x264_frame_pop_unused( h, 1 );
2124 /* apply mmco from previous frame. */
2125 for( int i = 0; i < h->sh.i_mmco_command_count; i++ )
2126 for( int j = 0; h->frames.reference[j]; j++ )
2127 if( h->frames.reference[j]->i_poc == h->sh.mmco[i].i_poc )
2128 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[j] ) );
2130 /* move frame in the buffer */
2131 x264_frame_push( h->frames.reference, h->fdec );
2132 if( h->frames.reference[h->sps->i_num_ref_frames] )
2133 x264_frame_push_unused( h, x264_frame_shift( h->frames.reference ) );
2134 h->fdec = x264_frame_pop_unused( h, 1 );
2140 static inline void x264_reference_reset( x264_t *h )
2142 while( h->frames.reference[0] )
2143 x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
2148 static inline void x264_reference_hierarchy_reset( x264_t *h )
2151 int b_hasdelayframe = 0;
2153 /* look for delay frames -- chain must only contain frames that are disposable */
2154 for( int i = 0; h->frames.current[i] && IS_DISPOSABLE( h->frames.current[i]->i_type ); i++ )
2155 b_hasdelayframe |= h->frames.current[i]->i_coded
2156 != h->frames.current[i]->i_frame + h->sps->vui.i_num_reorder_frames;
2158 /* This function must handle b-pyramid and clear frames for open-gop */
2159 if( h->param.i_bframe_pyramid != X264_B_PYRAMID_STRICT && !b_hasdelayframe && h->frames.i_poc_last_open_gop == -1 )
2162 /* Remove last BREF. There will never be old BREFs in the
2163 * dpb during a BREF decode when pyramid == STRICT */
2164 for( ref = 0; h->frames.reference[ref]; ref++ )
2166 if( ( h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT
2167 && h->frames.reference[ref]->i_type == X264_TYPE_BREF )
2168 || ( h->frames.reference[ref]->i_poc < h->frames.i_poc_last_open_gop
2169 && h->sh.i_type != SLICE_TYPE_B ) )
2171 int diff = h->i_frame_num - h->frames.reference[ref]->i_frame_num;
2172 h->sh.mmco[h->sh.i_mmco_command_count].i_difference_of_pic_nums = diff;
2173 h->sh.mmco[h->sh.i_mmco_command_count++].i_poc = h->frames.reference[ref]->i_poc;
2174 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[ref] ) );
2175 h->b_ref_reorder[0] = 1;
2180 /* Prepare room in the dpb for the delayed display time of the later b-frame's */
2181 if( h->param.i_bframe_pyramid )
2182 h->sh.i_mmco_remove_from_end = X264_MAX( ref + 2 - h->frames.i_max_dpb, 0 );
2185 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
2187 /* ------------------------ Create slice header ----------------------- */
2188 if( i_nal_type == NAL_SLICE_IDR )
2190 x264_slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp );
2193 h->i_idr_pic_id ^= 1;
2197 x264_slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp );
2199 h->sh.i_num_ref_idx_l0_active = h->i_ref[0] <= 0 ? 1 : h->i_ref[0];
2200 h->sh.i_num_ref_idx_l1_active = h->i_ref[1] <= 0 ? 1 : h->i_ref[1];
2201 if( h->sh.i_num_ref_idx_l0_active != h->pps->i_num_ref_idx_l0_default_active ||
2202 (h->sh.i_type == SLICE_TYPE_B && h->sh.i_num_ref_idx_l1_active != h->pps->i_num_ref_idx_l1_default_active) )
2204 h->sh.b_num_ref_idx_override = 1;
2208 if( h->fenc->i_type == X264_TYPE_BREF && h->param.b_bluray_compat && h->sh.i_mmco_command_count )
2211 h->sh_backup = h->sh;
2214 h->fdec->i_frame_num = h->sh.i_frame_num;
2216 if( h->sps->i_poc_type == 0 )
2218 h->sh.i_poc = h->fdec->i_poc;
2219 if( PARAM_INTERLACED )
2221 h->sh.i_delta_poc_bottom = h->param.b_tff ? 1 : -1;
2222 h->sh.i_poc += h->sh.i_delta_poc_bottom == -1;
2225 h->sh.i_delta_poc_bottom = 0;
2226 h->fdec->i_delta_poc[0] = h->sh.i_delta_poc_bottom == -1;
2227 h->fdec->i_delta_poc[1] = h->sh.i_delta_poc_bottom == 1;
2231 /* Nothing to do ? */
2234 x264_macroblock_slice_init( h );
2240 uint8_t cabac_prevbyte;
2243 x264_frame_stat_t stat;
2246 int field_decoding_flag;
2249 static ALWAYS_INLINE void x264_bitstream_backup( x264_t *h, x264_bs_bak_t *bak, int i_skip, int full )
2253 bak->stat = h->stat.frame;
2254 bak->last_qp = h->mb.i_last_qp;
2255 bak->last_dqp = h->mb.i_last_dqp;
2256 bak->field_decoding_flag = h->mb.field_decoding_flag;
2260 bak->stat.i_mv_bits = h->stat.frame.i_mv_bits;
2261 bak->stat.i_tex_bits = h->stat.frame.i_tex_bits;
2263 /* In the per-MB backup, we don't need the contexts because flushing the CABAC
2264 * encoder has no context dependency and in this case, a slice is ended (and
2265 * thus the content of all contexts are thrown away). */
2266 if( h->param.b_cabac )
2269 memcpy( &bak->cabac, &h->cabac, sizeof(x264_cabac_t) );
2271 memcpy( &bak->cabac, &h->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
2272 /* x264's CABAC writer modifies the previous byte during carry, so it has to be
2274 bak->cabac_prevbyte = h->cabac.p[-1];
2278 bak->bs = h->out.bs;
2283 static ALWAYS_INLINE void x264_bitstream_restore( x264_t *h, x264_bs_bak_t *bak, int *skip, int full )
2287 h->stat.frame = bak->stat;
2288 h->mb.i_last_qp = bak->last_qp;
2289 h->mb.i_last_dqp = bak->last_dqp;
2290 h->mb.field_decoding_flag = bak->field_decoding_flag;
2294 h->stat.frame.i_mv_bits = bak->stat.i_mv_bits;
2295 h->stat.frame.i_tex_bits = bak->stat.i_tex_bits;
2297 if( h->param.b_cabac )
2300 memcpy( &h->cabac, &bak->cabac, sizeof(x264_cabac_t) );
2302 memcpy( &h->cabac, &bak->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
2303 h->cabac.p[-1] = bak->cabac_prevbyte;
2307 h->out.bs = bak->bs;
2312 static int x264_slice_write( x264_t *h )
2315 int mb_xy, i_mb_x, i_mb_y;
2316 /* NALUs other than the first use a 3-byte startcode.
2317 * Add one extra byte for the rbsp, and one more for the final CABAC putbyte.
2318 * Then add an extra 5 bytes just in case, to account for random NAL escapes and
2319 * other inaccuracies. */
2320 int overhead_guess = (NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal)) + 1 + h->param.b_cabac + 5;
2321 int slice_max_size = h->param.i_slice_max_size > 0 ? (h->param.i_slice_max_size-overhead_guess)*8 : 0;
2322 int back_up_bitstream = slice_max_size || (!h->param.b_cabac && h->sps->i_profile_idc < PROFILE_HIGH);
2323 int starting_bits = bs_pos(&h->out.bs);
2324 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
2325 int b_hpel = h->fdec->b_kept_as_ref;
2326 int orig_last_mb = h->sh.i_last_mb;
2327 int thread_last_mb = h->i_threadslice_end * h->mb.i_mb_width - 1;
2328 uint8_t *last_emu_check;
2329 #define BS_BAK_SLICE_MAX_SIZE 0
2330 #define BS_BAK_SLICE_MIN_MBS 1
2331 #define BS_BAK_ROW_VBV 2
2332 x264_bs_bak_t bs_bak[3];
2333 b_deblock &= b_hpel || h->param.b_full_recon || h->param.psz_dump_yuv;
2334 bs_realign( &h->out.bs );
2337 x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
2338 h->out.nal[h->out.i_nal].i_first_mb = h->sh.i_first_mb;
2341 x264_macroblock_thread_init( h );
2343 /* Set the QP equal to the first QP in the slice for more accurate CABAC initialization. */
2344 h->mb.i_mb_xy = h->sh.i_first_mb;
2345 h->sh.i_qp = x264_ratecontrol_mb_qp( h );
2346 h->sh.i_qp = SPEC_QP( h->sh.i_qp );
2347 h->sh.i_qp_delta = h->sh.i_qp - h->pps->i_pic_init_qp;
2349 x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
2350 if( h->param.b_cabac )
2352 /* alignment needed */
2353 bs_align_1( &h->out.bs );
2356 x264_cabac_context_init( h, &h->cabac, h->sh.i_type, x264_clip3( h->sh.i_qp-QP_BD_OFFSET, 0, 51 ), h->sh.i_cabac_init_idc );
2357 x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
2358 last_emu_check = h->cabac.p;
2361 last_emu_check = h->out.bs.p;
2362 h->mb.i_last_qp = h->sh.i_qp;
2363 h->mb.i_last_dqp = 0;
2364 h->mb.field_decoding_flag = 0;
2366 i_mb_y = h->sh.i_first_mb / h->mb.i_mb_width;
2367 i_mb_x = h->sh.i_first_mb % h->mb.i_mb_width;
2372 mb_xy = i_mb_x + i_mb_y * h->mb.i_mb_width;
2373 int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
2377 if( x264_bitstream_check_buffer( h ) )
2379 if( !(i_mb_y & SLICE_MBAFF) && h->param.rc.i_vbv_buffer_size )
2380 x264_bitstream_backup( h, &bs_bak[BS_BAK_ROW_VBV], i_skip, 1 );
2381 if( !h->mb.b_reencode_mb )
2382 x264_fdec_filter_row( h, i_mb_y, 0 );
2385 if( !(i_mb_y & SLICE_MBAFF) && back_up_bitstream )
2387 x264_bitstream_backup( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], i_skip, 0 );
2388 if( slice_max_size && (thread_last_mb+1-mb_xy) == h->param.i_slice_min_mbs )
2389 x264_bitstream_backup( h, &bs_bak[BS_BAK_SLICE_MIN_MBS], i_skip, 0 );
2392 if( PARAM_INTERLACED )
2394 if( h->mb.b_adaptive_mbaff )
2398 /* FIXME: VSAD is fast but fairly poor at choosing the best interlace type. */
2399 h->mb.b_interlaced = x264_field_vsad( h, i_mb_x, i_mb_y );
2400 memcpy( &h->zigzagf, MB_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
2401 if( !MB_INTERLACED && (i_mb_y+2) == h->mb.i_mb_height )
2402 x264_expand_border_mbpair( h, i_mb_x, i_mb_y );
2405 h->mb.field[mb_xy] = MB_INTERLACED;
2410 x264_macroblock_cache_load_interlaced( h, i_mb_x, i_mb_y );
2412 x264_macroblock_cache_load_progressive( h, i_mb_x, i_mb_y );
2414 x264_macroblock_analyse( h );
2416 /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
2418 x264_macroblock_encode( h );
2420 if( h->param.b_cabac )
2422 if( mb_xy > h->sh.i_first_mb && !(SLICE_MBAFF && (i_mb_y&1)) )
2423 x264_cabac_encode_terminal( &h->cabac );
2425 if( IS_SKIP( h->mb.i_type ) )
2426 x264_cabac_mb_skip( h, 1 );
2429 if( h->sh.i_type != SLICE_TYPE_I )
2430 x264_cabac_mb_skip( h, 0 );
2431 x264_macroblock_write_cabac( h, &h->cabac );
2436 if( IS_SKIP( h->mb.i_type ) )
2440 if( h->sh.i_type != SLICE_TYPE_I )
2442 bs_write_ue( &h->out.bs, i_skip ); /* skip run */
2445 x264_macroblock_write_cavlc( h );
2446 /* If there was a CAVLC level code overflow, try again at a higher QP. */
2447 if( h->mb.b_overflow )
2449 h->mb.i_chroma_qp = h->chroma_qp_table[++h->mb.i_qp];
2450 h->mb.i_skip_intra = 0;
2451 h->mb.b_skip_mc = 0;
2452 h->mb.b_overflow = 0;
2453 x264_bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], &i_skip, 0 );
2459 int total_bits = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
2460 int mb_size = total_bits - mb_spos;
2462 if( slice_max_size && (!SLICE_MBAFF || (i_mb_y&1)) )
2464 /* Count the skip run, just in case. */
2465 if( !h->param.b_cabac )
2466 total_bits += bs_size_ue_big( i_skip );
2467 /* Check for escape bytes. */
2468 uint8_t *end = h->param.b_cabac ? h->cabac.p : h->out.bs.p;
2469 for( ; last_emu_check < end - 2; last_emu_check++ )
2470 if( last_emu_check[0] == 0 && last_emu_check[1] == 0 && last_emu_check[2] <= 3 )
2472 slice_max_size -= 8;
2475 /* We'll just re-encode this last macroblock if we go over the max slice size. */
2476 if( total_bits - starting_bits > slice_max_size && !h->mb.b_reencode_mb )
2478 if( !x264_frame_new_slice( h, h->fdec ) )
2480 /* Handle the most obnoxious slice-min-mbs edge case: we need to end the slice
2481 * because it's gone over the maximum size, but doing so would violate slice-min-mbs.
2482 * If possible, roll back to the last checkpoint and try again.
2483 * We could try raising QP, but that would break in the case where a slice spans multiple
2484 * rows, which the re-encoding infrastructure can't currently handle. */
2485 if( mb_xy <= thread_last_mb && (thread_last_mb+1-mb_xy) < h->param.i_slice_min_mbs )
2487 if( thread_last_mb-h->param.i_slice_min_mbs < h->sh.i_first_mb+h->param.i_slice_min_mbs )
2489 x264_log( h, X264_LOG_WARNING, "slice-max-size violated (frame %d, cause: slice-min-mbs)\n", h->i_frame );
2493 x264_bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MIN_MBS], &i_skip, 0 );
2494 h->mb.b_reencode_mb = 1;
2495 h->sh.i_last_mb = thread_last_mb-h->param.i_slice_min_mbs;
2498 if( mb_xy-SLICE_MBAFF*h->mb.i_mb_stride != h->sh.i_first_mb )
2500 x264_bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], &i_skip, 0 );
2501 h->mb.b_reencode_mb = 1;
2504 // set to bottom of previous mbpair
2506 h->sh.i_last_mb = mb_xy-1+h->mb.i_mb_stride*(!(i_mb_y&1));
2508 h->sh.i_last_mb = (i_mb_y-2+!(i_mb_y&1))*h->mb.i_mb_stride + h->mb.i_mb_width - 1;
2511 h->sh.i_last_mb = mb_xy-1;
2515 h->sh.i_last_mb = mb_xy;
2522 h->mb.b_reencode_mb = 0;
2525 if( h->param.b_visualize )
2526 x264_visualize_mb( h );
2530 x264_macroblock_cache_save( h );
2532 if( x264_ratecontrol_mb( h, mb_size ) < 0 )
2534 x264_bitstream_restore( h, &bs_bak[BS_BAK_ROW_VBV], &i_skip, 1 );
2535 h->mb.b_reencode_mb = 1;
2537 i_mb_y = i_mb_y - SLICE_MBAFF;
2538 h->mb.i_mb_prev_xy = i_mb_y * h->mb.i_mb_stride - 1;
2539 h->sh.i_last_mb = orig_last_mb;
2543 /* accumulate mb stats */
2544 h->stat.frame.i_mb_count[h->mb.i_type]++;
2546 int b_intra = IS_INTRA( h->mb.i_type );
2547 int b_skip = IS_SKIP( h->mb.i_type );
2548 if( h->param.i_log_level >= X264_LOG_INFO || h->param.rc.b_stat_write )
2550 if( !b_intra && !b_skip && !IS_DIRECT( h->mb.i_type ) )
2552 if( h->mb.i_partition != D_8x8 )
2553 h->stat.frame.i_mb_partition[h->mb.i_partition] += 4;
2555 for( int i = 0; i < 4; i++ )
2556 h->stat.frame.i_mb_partition[h->mb.i_sub_partition[i]] ++;
2557 if( h->param.i_frame_reference > 1 )
2558 for( int i_list = 0; i_list <= (h->sh.i_type == SLICE_TYPE_B); i_list++ )
2559 for( int i = 0; i < 4; i++ )
2561 int i_ref = h->mb.cache.ref[i_list][ x264_scan8[4*i] ];
2563 h->stat.frame.i_mb_count_ref[i_list][i_ref] ++;
2568 if( h->param.i_log_level >= X264_LOG_INFO )
2570 if( h->mb.i_cbp_luma | h->mb.i_cbp_chroma )
2574 for( int i = 0; i < 4; i++ )
2575 if( h->mb.i_cbp_luma & (1 << i) )
2576 for( int p = 0; p < 3; p++ )
2579 int nnz8x8 = M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+0] )
2580 | M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+8] );
2581 h->stat.frame.i_mb_cbp[!b_intra + p*2] += !!nnz8x8;
2586 int cbpsum = (h->mb.i_cbp_luma&1) + ((h->mb.i_cbp_luma>>1)&1)
2587 + ((h->mb.i_cbp_luma>>2)&1) + (h->mb.i_cbp_luma>>3);
2588 h->stat.frame.i_mb_cbp[!b_intra + 0] += cbpsum;
2589 h->stat.frame.i_mb_cbp[!b_intra + 2] += !!h->mb.i_cbp_chroma;
2590 h->stat.frame.i_mb_cbp[!b_intra + 4] += h->mb.i_cbp_chroma >> 1;
2593 if( h->mb.i_cbp_luma && !b_intra )
2595 h->stat.frame.i_mb_count_8x8dct[0] ++;
2596 h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
2598 if( b_intra && h->mb.i_type != I_PCM )
2600 if( h->mb.i_type == I_16x16 )
2601 h->stat.frame.i_mb_pred_mode[0][h->mb.i_intra16x16_pred_mode]++;
2602 else if( h->mb.i_type == I_8x8 )
2603 for( int i = 0; i < 16; i += 4 )
2604 h->stat.frame.i_mb_pred_mode[1][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
2605 else //if( h->mb.i_type == I_4x4 )
2606 for( int i = 0; i < 16; i++ )
2607 h->stat.frame.i_mb_pred_mode[2][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
2608 h->stat.frame.i_mb_pred_mode[3][x264_mb_chroma_pred_mode_fix[h->mb.i_chroma_pred_mode]]++;
2610 h->stat.frame.i_mb_field[b_intra?0:b_skip?2:1] += MB_INTERLACED;
2613 /* calculate deblock strength values (actual deblocking is done per-row along with hpel) */
2615 x264_macroblock_deblock_strength( h );
2617 if( mb_xy == h->sh.i_last_mb )
2622 i_mb_x += i_mb_y & 1;
2623 i_mb_y ^= i_mb_x < h->mb.i_mb_width;
2627 if( i_mb_x == h->mb.i_mb_width )
2633 if( h->sh.i_last_mb < h->sh.i_first_mb )
2636 h->out.nal[h->out.i_nal].i_last_mb = h->sh.i_last_mb;
2638 if( h->param.b_cabac )
2640 x264_cabac_encode_flush( h, &h->cabac );
2641 h->out.bs.p = h->cabac.p;
2646 bs_write_ue( &h->out.bs, i_skip ); /* last skip run */
2647 /* rbsp_slice_trailing_bits */
2648 bs_rbsp_trailing( &h->out.bs );
2649 bs_flush( &h->out.bs );
2651 if( x264_nal_end( h ) )
2654 if( h->sh.i_last_mb == (h->i_threadslice_end * h->mb.i_mb_width - 1) )
2656 h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
2657 + (h->out.i_nal*NALU_OVERHEAD * 8)
2658 - h->stat.frame.i_tex_bits
2659 - h->stat.frame.i_mv_bits;
2660 x264_fdec_filter_row( h, h->i_threadslice_end, 0 );
2662 if( h->param.b_sliced_threads )
2664 /* Tell the main thread we're done. */
2665 x264_threadslice_cond_broadcast( h, 1 );
2667 for( int mb_y = h->i_threadslice_start; mb_y <= h->i_threadslice_end; mb_y++ )
2668 x264_fdec_filter_row( h, mb_y, 1 );
2669 x264_threadslice_cond_broadcast( h, 2 );
2670 /* Do the first row of hpel, now that the previous slice is done */
2671 if( h->i_thread_idx > 0 )
2673 x264_threadslice_cond_wait( h->thread[h->i_thread_idx-1], 2 );
2674 x264_fdec_filter_row( h, h->i_threadslice_start + (1 << SLICE_MBAFF), 2 );
2678 /* Free mb info after the last thread's done using it */
2679 if( h->fdec->mb_info_free && (!h->param.b_sliced_threads || h->i_thread_idx == (h->param.i_threads-1)) )
2681 h->fdec->mb_info_free( h->fdec->mb_info );
2682 h->fdec->mb_info = NULL;
2683 h->fdec->mb_info_free = NULL;
2690 static void x264_thread_sync_context( x264_t *dst, x264_t *src )
2695 // reference counting
2696 for( x264_frame_t **f = src->frames.reference; *f; f++ )
2697 (*f)->i_reference_count++;
2698 for( x264_frame_t **f = dst->frames.reference; *f; f++ )
2699 x264_frame_push_unused( src, *f );
2700 src->fdec->i_reference_count++;
2701 x264_frame_push_unused( src, dst->fdec );
2703 // copy everything except the per-thread pointers and the constants.
2704 memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.type) - offsetof(x264_t, i_frame) );
2705 dst->param = src->param;
2706 dst->stat = src->stat;
2707 dst->pixf = src->pixf;
2710 static void x264_thread_sync_stat( x264_t *dst, x264_t *src )
2714 memcpy( &dst->stat.i_frame_count, &src->stat.i_frame_count, sizeof(dst->stat) - sizeof(dst->stat.frame) );
2717 static void *x264_slices_write( x264_t *h )
2719 int i_slice_num = 0;
2720 int last_thread_mb = h->sh.i_last_mb;
2723 if( h->param.b_visualize )
2724 if( x264_visualize_init( h ) )
2729 memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
2730 h->mb.b_reencode_mb = 0;
2731 while( h->sh.i_first_mb + SLICE_MBAFF*h->mb.i_mb_stride <= last_thread_mb )
2733 h->sh.i_last_mb = last_thread_mb;
2734 if( !i_slice_num || !x264_frame_new_slice( h, h->fdec ) )
2736 if( h->param.i_slice_max_mbs )
2740 // convert first to mbaff form, add slice-max-mbs, then convert back to normal form
2741 int last_mbaff = 2*(h->sh.i_first_mb % h->mb.i_mb_width)
2742 + h->mb.i_mb_width*(h->sh.i_first_mb / h->mb.i_mb_width)
2743 + h->param.i_slice_max_mbs - 1;
2744 int last_x = (last_mbaff % (2*h->mb.i_mb_width))/2;
2745 int last_y = (last_mbaff / (2*h->mb.i_mb_width))*2 + 1;
2746 h->sh.i_last_mb = last_x + h->mb.i_mb_stride*last_y;
2750 h->sh.i_last_mb = h->sh.i_first_mb + h->param.i_slice_max_mbs - 1;
2751 if( h->sh.i_last_mb < last_thread_mb && last_thread_mb - h->sh.i_last_mb < h->param.i_slice_min_mbs )
2752 h->sh.i_last_mb = last_thread_mb - h->param.i_slice_min_mbs;
2756 else if( h->param.i_slice_count && !h->param.b_sliced_threads )
2758 int height = h->mb.i_mb_height >> PARAM_INTERLACED;
2759 int width = h->mb.i_mb_width << PARAM_INTERLACED;
2761 h->sh.i_last_mb = (height * i_slice_num + h->param.i_slice_count/2) / h->param.i_slice_count * width - 1;
2764 h->sh.i_last_mb = X264_MIN( h->sh.i_last_mb, last_thread_mb );
2765 if( x264_stack_align( x264_slice_write, h ) )
2767 h->sh.i_first_mb = h->sh.i_last_mb + 1;
2768 // if i_first_mb is not the last mb in a row then go to the next mb in MBAFF order
2769 if( SLICE_MBAFF && h->sh.i_first_mb % h->mb.i_mb_width )
2770 h->sh.i_first_mb -= h->mb.i_mb_stride;
2774 if( h->param.b_visualize )
2776 x264_visualize_show( h );
2777 x264_visualize_close( h );
2784 /* Tell other threads we're done, so they wouldn't wait for it */
2785 if( h->param.b_sliced_threads )
2786 x264_threadslice_cond_broadcast( h, 2 );
2790 static int x264_threaded_slices_write( x264_t *h )
2792 /* set first/last mb and sync contexts */
2793 for( int i = 0; i < h->param.i_threads; i++ )
2795 x264_t *t = h->thread[i];
2798 t->param = h->param;
2799 memcpy( &t->i_frame, &h->i_frame, offsetof(x264_t, rc) - offsetof(x264_t, i_frame) );
2801 int height = h->mb.i_mb_height >> PARAM_INTERLACED;
2802 t->i_threadslice_start = ((height * i + h->param.i_slice_count/2) / h->param.i_threads) << PARAM_INTERLACED;
2803 t->i_threadslice_end = ((height * (i+1) + h->param.i_slice_count/2) / h->param.i_threads) << PARAM_INTERLACED;
2804 t->sh.i_first_mb = t->i_threadslice_start * h->mb.i_mb_width;
2805 t->sh.i_last_mb = t->i_threadslice_end * h->mb.i_mb_width - 1;
2808 x264_stack_align( x264_analyse_weight_frame, h, h->mb.i_mb_height*16 + 16 );
2810 x264_threads_distribute_ratecontrol( h );
2813 for( int i = 0; i < h->param.i_threads; i++ )
2815 h->thread[i]->i_thread_idx = i;
2816 h->thread[i]->b_thread_active = 1;
2817 x264_threadslice_cond_broadcast( h->thread[i], 0 );
2820 for( int i = 0; i < h->param.i_threads; i++ )
2821 x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h->thread[i] );
2823 for( int i = 0; i < h->param.i_threads; i++ )
2824 x264_threadslice_cond_wait( h->thread[i], 1 );
2826 x264_threads_merge_ratecontrol( h );
2828 for( int i = 1; i < h->param.i_threads; i++ )
2830 x264_t *t = h->thread[i];
2831 for( int j = 0; j < t->out.i_nal; j++ )
2833 h->out.nal[h->out.i_nal] = t->out.nal[j];
2835 x264_nal_check_buffer( h );
2837 /* All entries in stat.frame are ints except for ssd/ssim. */
2838 for( int j = 0; j < (offsetof(x264_t,stat.frame.i_ssd) - offsetof(x264_t,stat.frame.i_mv_bits)) / sizeof(int); j++ )
2839 ((int*)&h->stat.frame)[j] += ((int*)&t->stat.frame)[j];
2840 for( int j = 0; j < 3; j++ )
2841 h->stat.frame.i_ssd[j] += t->stat.frame.i_ssd[j];
2842 h->stat.frame.f_ssim += t->stat.frame.f_ssim;
2843 h->stat.frame.i_ssim_cnt += t->stat.frame.i_ssim_cnt;
2849 void x264_encoder_intra_refresh( x264_t *h )
2851 h = h->thread[h->i_thread_phase];
2852 h->b_queued_intra_refresh = 1;
2855 int x264_encoder_invalidate_reference( x264_t *h, int64_t pts )
2857 if( h->param.i_bframe )
2859 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with B-frames enabled\n" );
2862 if( h->param.b_intra_refresh )
2864 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with intra refresh enabled\n" );
2867 h = h->thread[h->i_thread_phase];
2868 if( pts >= h->i_last_idr_pts )
2870 for( int i = 0; h->frames.reference[i]; i++ )
2871 if( pts <= h->frames.reference[i]->i_pts )
2872 h->frames.reference[i]->b_corrupt = 1;
2873 if( pts <= h->fdec->i_pts )
2874 h->fdec->b_corrupt = 1;
2879 /****************************************************************************
2880 * x264_encoder_encode:
2881 * XXX: i_poc : is the poc of the current given picture
2882 * i_frame : is the number of the frame being coded
2883 * ex: type frame poc
2891 ****************************************************************************/
2892 int x264_encoder_encode( x264_t *h,
2893 x264_nal_t **pp_nal, int *pi_nal,
2894 x264_picture_t *pic_in,
2895 x264_picture_t *pic_out )
2897 x264_t *thread_current, *thread_prev, *thread_oldest;
2898 int i_nal_type, i_nal_ref_idc, i_global_qp;
2899 int overhead = NALU_OVERHEAD;
2902 if( h->opencl.b_fatal_error )
2906 if( h->i_thread_frames > 1 )
2908 thread_prev = h->thread[ h->i_thread_phase ];
2909 h->i_thread_phase = (h->i_thread_phase + 1) % h->i_thread_frames;
2910 thread_current = h->thread[ h->i_thread_phase ];
2911 thread_oldest = h->thread[ (h->i_thread_phase + 1) % h->i_thread_frames ];
2912 x264_thread_sync_context( thread_current, thread_prev );
2913 x264_thread_sync_ratecontrol( thread_current, thread_prev, thread_oldest );
2922 if( h->param.cpu&X264_CPU_SSE_MISALIGN )
2923 x264_cpu_mask_misalign_sse();
2925 h->i_cpb_delay_pir_offset = h->i_cpb_delay_pir_offset_next;
2931 /* ------------------- Setup new frame from picture -------------------- */
2932 if( pic_in != NULL )
2934 /* 1: Copy the picture to a frame and move it to a buffer */
2935 x264_frame_t *fenc = x264_frame_pop_unused( h, 0 );
2939 if( x264_frame_copy_picture( h, fenc, pic_in ) < 0 )
2942 if( h->param.i_width != 16 * h->mb.i_mb_width ||
2943 h->param.i_height != 16 * h->mb.i_mb_height )
2944 x264_frame_expand_border_mod16( h, fenc );
2946 fenc->i_frame = h->frames.i_input++;
2948 if( fenc->i_frame == 0 )
2949 h->frames.i_first_pts = fenc->i_pts;
2950 if( h->frames.i_bframe_delay && fenc->i_frame == h->frames.i_bframe_delay )
2951 h->frames.i_bframe_delay_time = fenc->i_pts - h->frames.i_first_pts;
2953 if( h->param.b_vfr_input && fenc->i_pts <= h->frames.i_largest_pts )
2954 x264_log( h, X264_LOG_WARNING, "non-strictly-monotonic PTS\n" );
2956 h->frames.i_second_largest_pts = h->frames.i_largest_pts;
2957 h->frames.i_largest_pts = fenc->i_pts;
2959 if( (fenc->i_pic_struct < PIC_STRUCT_AUTO) || (fenc->i_pic_struct > PIC_STRUCT_TRIPLE) )
2960 fenc->i_pic_struct = PIC_STRUCT_AUTO;
2962 if( fenc->i_pic_struct == PIC_STRUCT_AUTO )
2965 int b_interlaced = fenc->param ? fenc->param->b_interlaced : h->param.b_interlaced;
2967 int b_interlaced = 0;
2971 int b_tff = fenc->param ? fenc->param->b_tff : h->param.b_tff;
2972 fenc->i_pic_struct = b_tff ? PIC_STRUCT_TOP_BOTTOM : PIC_STRUCT_BOTTOM_TOP;
2975 fenc->i_pic_struct = PIC_STRUCT_PROGRESSIVE;
2978 if( h->param.rc.b_mb_tree && h->param.rc.b_stat_read )
2980 if( x264_macroblock_tree_read( h, fenc, pic_in->prop.quant_offsets ) )
2984 x264_stack_align( x264_adaptive_quant_frame, h, fenc, pic_in->prop.quant_offsets );
2986 if( pic_in->prop.quant_offsets_free )
2987 pic_in->prop.quant_offsets_free( pic_in->prop.quant_offsets );
2989 if( h->frames.b_have_lowres )
2990 x264_frame_init_lowres( h, fenc );
2992 /* 2: Place the frame into the queue for its slice type decision */
2993 x264_lookahead_put_frame( h, fenc );
2995 if( h->frames.i_input <= h->frames.i_delay + 1 - h->i_thread_frames )
2997 /* Nothing yet to encode, waiting for filling of buffers */
2998 pic_out->i_type = X264_TYPE_AUTO;
3004 /* signal kills for lookahead thread */
3005 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
3006 h->lookahead->b_exit_thread = 1;
3007 x264_pthread_cond_broadcast( &h->lookahead->ifbuf.cv_fill );
3008 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
3012 /* 3: The picture is analyzed in the lookahead */
3013 if( !h->frames.current[0] )
3014 x264_lookahead_get_frames( h );
3016 if( !h->frames.current[0] && x264_lookahead_is_empty( h ) )
3017 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
3019 /* ------------------- Get frame to be encoded ------------------------- */
3020 /* 4: get picture to encode */
3021 h->fenc = x264_frame_shift( h->frames.current );
3023 /* If applicable, wait for previous frame reconstruction to finish */
3024 if( h->param.b_sliced_threads )
3025 if( x264_threadpool_wait_all( h ) < 0 )
3028 if( h->i_frame == h->i_thread_frames - 1 )
3029 h->i_reordered_pts_delay = h->fenc->i_reordered_pts;
3030 if( h->fenc->param )
3032 x264_encoder_reconfig( h, h->fenc->param );
3033 if( h->fenc->param->param_free )
3035 h->fenc->param->param_free( h->fenc->param );
3036 h->fenc->param = NULL;
3040 // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0
3041 if( x264_reference_update( h ) )
3043 h->fdec->i_lines_completed = -1;
3045 if( !IS_X264_TYPE_I( h->fenc->i_type ) )
3047 int valid_refs_left = 0;
3048 for( int i = 0; h->frames.reference[i]; i++ )
3049 if( !h->frames.reference[i]->b_corrupt )
3051 /* No valid reference frames left: force an IDR. */
3052 if( !valid_refs_left )
3054 h->fenc->b_keyframe = 1;
3055 h->fenc->i_type = X264_TYPE_IDR;
3059 if( h->fenc->b_keyframe )
3061 h->frames.i_last_keyframe = h->fenc->i_frame;
3062 if( h->fenc->i_type == X264_TYPE_IDR )
3065 h->frames.i_last_idr = h->fenc->i_frame;
3068 h->sh.i_mmco_command_count =
3069 h->sh.i_mmco_remove_from_end = 0;
3070 h->b_ref_reorder[0] =
3071 h->b_ref_reorder[1] = 0;
3073 h->fenc->i_poc = 2 * ( h->fenc->i_frame - X264_MAX( h->frames.i_last_idr, 0 ) );
3075 /* ------------------- Setup frame context ----------------------------- */
3076 /* 5: Init data dependent of frame type */
3077 if( h->fenc->i_type == X264_TYPE_IDR )
3079 /* reset ref pictures */
3080 i_nal_type = NAL_SLICE_IDR;
3081 i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
3082 h->sh.i_type = SLICE_TYPE_I;
3083 x264_reference_reset( h );
3084 h->frames.i_poc_last_open_gop = -1;
3086 else if( h->fenc->i_type == X264_TYPE_I )
3088 i_nal_type = NAL_SLICE;
3089 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
3090 h->sh.i_type = SLICE_TYPE_I;
3091 x264_reference_hierarchy_reset( h );
3092 if( h->param.b_open_gop )
3093 h->frames.i_poc_last_open_gop = h->fenc->b_keyframe ? h->fenc->i_poc : -1;
3095 else if( h->fenc->i_type == X264_TYPE_P )
3097 i_nal_type = NAL_SLICE;
3098 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
3099 h->sh.i_type = SLICE_TYPE_P;
3100 x264_reference_hierarchy_reset( h );
3101 h->frames.i_poc_last_open_gop = -1;
3103 else if( h->fenc->i_type == X264_TYPE_BREF )
3105 i_nal_type = NAL_SLICE;
3106 i_nal_ref_idc = h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT ? NAL_PRIORITY_LOW : NAL_PRIORITY_HIGH;
3107 h->sh.i_type = SLICE_TYPE_B;
3108 x264_reference_hierarchy_reset( h );
3112 i_nal_type = NAL_SLICE;
3113 i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
3114 h->sh.i_type = SLICE_TYPE_B;
3117 h->fdec->i_type = h->fenc->i_type;
3118 h->fdec->i_frame = h->fenc->i_frame;
3119 h->fenc->b_kept_as_ref =
3120 h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1;
3122 h->fdec->mb_info = h->fenc->mb_info;
3123 h->fdec->mb_info_free = h->fenc->mb_info_free;
3124 h->fenc->mb_info = NULL;
3125 h->fenc->mb_info_free = NULL;
3127 h->fdec->i_pts = h->fenc->i_pts;
3128 if( h->frames.i_bframe_delay )
3130 int64_t *prev_reordered_pts = thread_current->frames.i_prev_reordered_pts;
3131 h->fdec->i_dts = h->i_frame > h->frames.i_bframe_delay
3132 ? prev_reordered_pts[ (h->i_frame - h->frames.i_bframe_delay) % h->frames.i_bframe_delay ]
3133 : h->fenc->i_reordered_pts - h->frames.i_bframe_delay_time;
3134 prev_reordered_pts[ h->i_frame % h->frames.i_bframe_delay ] = h->fenc->i_reordered_pts;
3137 h->fdec->i_dts = h->fenc->i_reordered_pts;
3138 if( h->fenc->i_type == X264_TYPE_IDR )
3139 h->i_last_idr_pts = h->fdec->i_pts;
3141 /* ------------------- Init ----------------------------- */
3142 /* build ref list 0/1 */
3143 x264_reference_build_list( h, h->fdec->i_poc );
3145 /* ---------------------- Write the bitstream -------------------------- */
3146 /* Init bitstream context */
3147 if( h->param.b_sliced_threads )
3149 for( int i = 0; i < h->param.i_threads; i++ )
3151 bs_init( &h->thread[i]->out.bs, h->thread[i]->out.p_bitstream, h->thread[i]->out.i_bitstream );
3152 h->thread[i]->out.i_nal = 0;
3157 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
3161 if( h->param.b_aud )
3165 if( h->sh.i_type == SLICE_TYPE_I )
3167 else if( h->sh.i_type == SLICE_TYPE_P )
3169 else if( h->sh.i_type == SLICE_TYPE_B )
3174 x264_nal_start( h, NAL_AUD, NAL_PRIORITY_DISPOSABLE );
3175 bs_write( &h->out.bs, 3, pic_type );
3176 bs_rbsp_trailing( &h->out.bs );
3177 if( x264_nal_end( h ) )
3179 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
3182 h->i_nal_type = i_nal_type;
3183 h->i_nal_ref_idc = i_nal_ref_idc;
3185 if( h->param.b_intra_refresh )
3187 if( IS_X264_TYPE_I( h->fenc->i_type ) )
3189 h->fdec->i_frames_since_pir = 0;
3190 h->b_queued_intra_refresh = 0;
3191 /* PIR is currently only supported with ref == 1, so any intra frame effectively refreshes
3192 * the whole frame and counts as an intra refresh. */
3193 h->fdec->f_pir_position = h->mb.i_mb_width;
3195 else if( h->fenc->i_type == X264_TYPE_P )
3197 int pocdiff = (h->fdec->i_poc - h->fref[0][0]->i_poc)/2;
3198 float increment = X264_MAX( ((float)h->mb.i_mb_width-1) / h->param.i_keyint_max, 1 );
3199 h->fdec->f_pir_position = h->fref[0][0]->f_pir_position;
3200 h->fdec->i_frames_since_pir = h->fref[0][0]->i_frames_since_pir + pocdiff;
3201 if( h->fdec->i_frames_since_pir >= h->param.i_keyint_max ||
3202 (h->b_queued_intra_refresh && h->fdec->f_pir_position + 0.5 >= h->mb.i_mb_width) )
3204 h->fdec->f_pir_position = 0;
3205 h->fdec->i_frames_since_pir = 0;
3206 h->b_queued_intra_refresh = 0;
3207 h->fenc->b_keyframe = 1;
3209 h->fdec->i_pir_start_col = h->fdec->f_pir_position+0.5;
3210 h->fdec->f_pir_position += increment * pocdiff;
3211 h->fdec->i_pir_end_col = h->fdec->f_pir_position+0.5;
3212 /* If our intra refresh has reached the right side of the frame, we're done. */
3213 if( h->fdec->i_pir_end_col >= h->mb.i_mb_width - 1 )
3215 h->fdec->f_pir_position = h->mb.i_mb_width;
3216 h->fdec->i_pir_end_col = h->mb.i_mb_width - 1;
3221 if( h->fenc->b_keyframe )
3223 /* Write SPS and PPS */
3224 if( h->param.b_repeat_headers )
3226 /* generate sequence parameters */
3227 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
3228 x264_sps_write( &h->out.bs, h->sps );
3229 if( x264_nal_end( h ) )
3231 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
3233 /* generate picture parameters */
3234 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
3235 x264_pps_write( &h->out.bs, h->sps, h->pps );
3236 if( x264_nal_end( h ) )
3238 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
3241 /* when frame threading is used, buffering period sei is written in x264_encoder_frame_end */
3242 if( h->i_thread_frames == 1 && h->sps->vui.b_nal_hrd_parameters_present )
3244 x264_hrd_fullness( h );
3245 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3246 x264_sei_buffering_period_write( h, &h->out.bs );
3247 if( x264_nal_end( h ) )
3249 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
3253 /* write extra sei */
3254 for( int i = 0; i < h->fenc->extra_sei.num_payloads; i++ )
3256 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3257 x264_sei_write( &h->out.bs, h->fenc->extra_sei.payloads[i].payload, h->fenc->extra_sei.payloads[i].payload_size,
3258 h->fenc->extra_sei.payloads[i].payload_type );
3259 if( x264_nal_end( h ) )
3261 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
3262 if( h->fenc->extra_sei.sei_free )
3264 h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads[i].payload );
3265 h->fenc->extra_sei.payloads[i].payload = NULL;
3269 if( h->fenc->extra_sei.sei_free )
3271 h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads );
3272 h->fenc->extra_sei.payloads = NULL;
3273 h->fenc->extra_sei.sei_free = NULL;
3276 if( h->fenc->b_keyframe )
3278 if( h->param.b_repeat_headers && h->fenc->i_frame == 0 )
3280 /* identify ourself */
3281 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3282 if( x264_sei_version_write( h, &h->out.bs ) )
3284 if( x264_nal_end( h ) )
3286 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
3289 if( h->fenc->i_type != X264_TYPE_IDR )
3291 int time_to_recovery = h->param.b_open_gop ? 0 : X264_MIN( h->mb.i_mb_width - 1, h->param.i_keyint_max ) + h->param.i_bframe - 1;
3292 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3293 x264_sei_recovery_point_write( h, &h->out.bs, time_to_recovery );
3294 if( x264_nal_end( h ) )
3296 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
3299 if ( h->param.i_frame_packing >= 0 )
3301 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3302 x264_sei_frame_packing_write( h, &h->out.bs );
3303 if( x264_nal_end( h ) )
3305 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
3309 /* generate sei pic timing */
3310 if( h->sps->vui.b_pic_struct_present || h->sps->vui.b_nal_hrd_parameters_present )
3312 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3313 x264_sei_pic_timing_write( h, &h->out.bs );
3314 if( x264_nal_end( h ) )
3316 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
3319 /* As required by Blu-ray. */
3320 if( !IS_X264_TYPE_B( h->fenc->i_type ) && h->b_sh_backup )
3323 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3324 x264_sei_dec_ref_pic_marking_write( h, &h->out.bs );
3325 if( x264_nal_end( h ) )
3327 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
3330 if( h->fenc->b_keyframe && h->param.b_intra_refresh )
3331 h->i_cpb_delay_pir_offset_next = h->fenc->i_cpb_delay;
3333 /* Init the rate control */
3334 /* FIXME: Include slice header bit cost. */
3335 x264_ratecontrol_start( h, h->fenc->i_qpplus1, overhead*8 );
3336 i_global_qp = x264_ratecontrol_qp( h );
3338 pic_out->i_qpplus1 =
3339 h->fdec->i_qpplus1 = i_global_qp + 1;
3341 if( h->param.rc.b_stat_read && h->sh.i_type != SLICE_TYPE_I )
3343 x264_reference_build_list_optimal( h );
3344 x264_reference_check_reorder( h );
3348 h->fdec->i_poc_l0ref0 = h->fref[0][0]->i_poc;
3350 /* ------------------------ Create slice header ----------------------- */
3351 x264_slice_init( h, i_nal_type, i_global_qp );
3353 /*------------------------- Weights -------------------------------------*/
3354 if( h->sh.i_type == SLICE_TYPE_B )
3355 x264_macroblock_bipred_init( h );
3357 x264_weighted_pred_init( h );
3359 if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
3363 h->i_threadslice_start = 0;
3364 h->i_threadslice_end = h->mb.i_mb_height;
3365 if( h->i_thread_frames > 1 )
3367 x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h );
3368 h->b_thread_active = 1;
3370 else if( h->param.b_sliced_threads )
3372 if( x264_threaded_slices_write( h ) )
3376 if( (intptr_t)x264_slices_write( h ) )
3379 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
3382 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
3383 x264_nal_t **pp_nal, int *pi_nal,
3384 x264_picture_t *pic_out )
3386 char psz_message[80];
3388 if( !h->param.b_sliced_threads && h->b_thread_active )
3390 h->b_thread_active = 0;
3391 if( (intptr_t)x264_threadpool_wait( h->threadpool, h ) )
3396 pic_out->i_type = X264_TYPE_AUTO;
3402 /* generate buffering period sei and insert it into place */
3403 if( h->i_thread_frames > 1 && h->fenc->b_keyframe && h->sps->vui.b_nal_hrd_parameters_present )
3405 x264_hrd_fullness( h );
3406 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3407 x264_sei_buffering_period_write( h, &h->out.bs );
3408 if( x264_nal_end( h ) )
3410 /* buffering period sei must follow AUD, SPS and PPS and precede all other SEIs */
3412 while( h->out.nal[idx].i_type == NAL_AUD ||
3413 h->out.nal[idx].i_type == NAL_SPS ||
3414 h->out.nal[idx].i_type == NAL_PPS )
3416 x264_nal_t nal_tmp = h->out.nal[h->out.i_nal-1];
3417 memmove( &h->out.nal[idx+1], &h->out.nal[idx], (h->out.i_nal-idx-1)*sizeof(x264_nal_t) );
3418 h->out.nal[idx] = nal_tmp;
3421 int frame_size = x264_encoder_encapsulate_nals( h, 0 );
3422 if( frame_size < 0 )
3425 /* Set output picture properties */
3426 pic_out->i_type = h->fenc->i_type;
3428 pic_out->b_keyframe = h->fenc->b_keyframe;
3429 pic_out->i_pic_struct = h->fenc->i_pic_struct;
3431 pic_out->i_pts = h->fdec->i_pts;
3432 pic_out->i_dts = h->fdec->i_dts;
3434 if( pic_out->i_pts < pic_out->i_dts )
3435 x264_log( h, X264_LOG_WARNING, "invalid DTS: PTS is less than DTS\n" );
3437 pic_out->opaque = h->fenc->opaque;
3439 pic_out->img.i_csp = h->fdec->i_csp;
3441 pic_out->img.i_csp |= X264_CSP_HIGH_DEPTH;
3443 pic_out->img.i_plane = h->fdec->i_plane;
3444 for( int i = 0; i < pic_out->img.i_plane; i++ )
3446 pic_out->img.i_stride[i] = h->fdec->i_stride[i] * sizeof(pixel);
3447 pic_out->img.plane[i] = (uint8_t*)h->fdec->plane[i];
3450 x264_frame_push_unused( thread_current, h->fenc );
3452 /* ---------------------- Update encoder state ------------------------- */
3456 if( x264_ratecontrol_end( h, frame_size * 8, &filler ) < 0 )
3459 pic_out->hrd_timing = h->fenc->hrd_timing;
3460 pic_out->prop.f_crf_avg = h->fdec->f_crf_avg;
3465 overhead = (FILLER_OVERHEAD - h->param.b_annexb);
3466 if( h->param.i_slice_max_size && filler > h->param.i_slice_max_size )
3468 int next_size = filler - h->param.i_slice_max_size;
3469 int overflow = X264_MAX( overhead - next_size, 0 );
3470 f = h->param.i_slice_max_size - overhead - overflow;
3473 f = X264_MAX( 0, filler - overhead );
3475 x264_nal_start( h, NAL_FILLER, NAL_PRIORITY_DISPOSABLE );
3476 x264_filler_write( h, &h->out.bs, f );
3477 if( x264_nal_end( h ) )
3479 int total_size = x264_encoder_encapsulate_nals( h, h->out.i_nal-1 );
3480 if( total_size < 0 )
3482 frame_size += total_size;
3483 filler -= total_size;
3486 /* End bitstream, set output */
3487 *pi_nal = h->out.i_nal;
3488 *pp_nal = h->out.nal;
3492 x264_noise_reduction_update( h );
3494 /* ---------------------- Compute/Print statistics --------------------- */
3495 x264_thread_sync_stat( h, h->thread[0] );
3498 h->stat.i_frame_count[h->sh.i_type]++;
3499 h->stat.i_frame_size[h->sh.i_type] += frame_size;
3500 h->stat.f_frame_qp[h->sh.i_type] += h->fdec->f_qp_avg_aq;
3502 for( int i = 0; i < X264_MBTYPE_MAX; i++ )
3503 h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
3504 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
3505 h->stat.i_mb_partition[h->sh.i_type][i] += h->stat.frame.i_mb_partition[i];
3506 for( int i = 0; i < 2; i++ )
3507 h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
3508 for( int i = 0; i < 6; i++ )
3509 h->stat.i_mb_cbp[i] += h->stat.frame.i_mb_cbp[i];
3510 for( int i = 0; i < 4; i++ )
3511 for( int j = 0; j < 13; j++ )
3512 h->stat.i_mb_pred_mode[i][j] += h->stat.frame.i_mb_pred_mode[i][j];
3513 if( h->sh.i_type != SLICE_TYPE_I )
3514 for( int i_list = 0; i_list < 2; i_list++ )
3515 for( int i = 0; i < X264_REF_MAX*2; i++ )
3516 h->stat.i_mb_count_ref[h->sh.i_type][i_list][i] += h->stat.frame.i_mb_count_ref[i_list][i];
3517 for( int i = 0; i < 3; i++ )
3518 h->stat.i_mb_field[i] += h->stat.frame.i_mb_field[i];
3519 if( h->sh.i_type == SLICE_TYPE_P && h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
3521 h->stat.i_wpred[0] += !!h->sh.weight[0][0].weightfn;
3522 h->stat.i_wpred[1] += !!h->sh.weight[0][1].weightfn || !!h->sh.weight[0][2].weightfn;
3524 if( h->sh.i_type == SLICE_TYPE_B )
3526 h->stat.i_direct_frames[ h->sh.b_direct_spatial_mv_pred ] ++;
3527 if( h->mb.b_direct_auto_write )
3529 //FIXME somewhat arbitrary time constants
3530 if( h->stat.i_direct_score[0] + h->stat.i_direct_score[1] > h->mb.i_mb_count )
3531 for( int i = 0; i < 2; i++ )
3532 h->stat.i_direct_score[i] = h->stat.i_direct_score[i] * 9/10;
3533 for( int i = 0; i < 2; i++ )
3534 h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i];
3538 h->stat.i_consecutive_bframes[h->fenc->i_bframes]++;
3540 psz_message[0] = '\0';
3541 double dur = h->fenc->f_duration;
3542 h->stat.f_frame_duration[h->sh.i_type] += dur;
3543 if( h->param.analyse.b_psnr )
3547 h->stat.frame.i_ssd[0],
3548 h->stat.frame.i_ssd[1],
3549 h->stat.frame.i_ssd[2],
3551 int luma_size = h->param.i_width * h->param.i_height;
3552 int chroma_size = CHROMA_SIZE( luma_size );
3553 pic_out->prop.f_psnr[0] = x264_psnr( ssd[0], luma_size );
3554 pic_out->prop.f_psnr[1] = x264_psnr( ssd[1], chroma_size );
3555 pic_out->prop.f_psnr[2] = x264_psnr( ssd[2], chroma_size );
3556 pic_out->prop.f_psnr_avg = x264_psnr( ssd[0] + ssd[1] + ssd[2], luma_size + chroma_size*2 );
3558 h->stat.f_ssd_global[h->sh.i_type] += dur * (ssd[0] + ssd[1] + ssd[2]);
3559 h->stat.f_psnr_average[h->sh.i_type] += dur * pic_out->prop.f_psnr_avg;
3560 h->stat.f_psnr_mean_y[h->sh.i_type] += dur * pic_out->prop.f_psnr[0];
3561 h->stat.f_psnr_mean_u[h->sh.i_type] += dur * pic_out->prop.f_psnr[1];
3562 h->stat.f_psnr_mean_v[h->sh.i_type] += dur * pic_out->prop.f_psnr[2];
3564 snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f", pic_out->prop.f_psnr[0],
3565 pic_out->prop.f_psnr[1],
3566 pic_out->prop.f_psnr[2] );
3569 if( h->param.analyse.b_ssim )
3571 pic_out->prop.f_ssim = h->stat.frame.f_ssim / h->stat.frame.i_ssim_cnt;
3572 h->stat.f_ssim_mean_y[h->sh.i_type] += pic_out->prop.f_ssim * dur;
3573 snprintf( psz_message + strlen(psz_message), 80 - strlen(psz_message),
3574 " SSIM Y:%.5f", pic_out->prop.f_ssim );
3576 psz_message[79] = '\0';
3578 x264_log( h, X264_LOG_DEBUG,
3579 "frame=%4d QP=%.2f NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
3581 h->fdec->f_qp_avg_aq,
3583 h->sh.i_type == SLICE_TYPE_I ? 'I' : (h->sh.i_type == SLICE_TYPE_P ? 'P' : 'B' ),
3585 h->stat.frame.i_mb_count_i,
3586 h->stat.frame.i_mb_count_p,
3587 h->stat.frame.i_mb_count_skip,
3591 // keep stats all in one place
3592 x264_thread_sync_stat( h->thread[0], h );
3593 // for the use of the next frame
3594 x264_thread_sync_stat( thread_current, h );
3596 #ifdef DEBUG_MB_TYPE
3598 static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
3599 'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
3600 for( int mb_xy = 0; mb_xy < h->mb.i_mb_width * h->mb.i_mb_height; mb_xy++ )
3602 if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 )
3603 fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
3605 fprintf( stderr, "? " );
3607 if( (mb_xy+1) % h->mb.i_mb_width == 0 )
3608 fprintf( stderr, "\n" );
3613 /* Remove duplicates, must be done near the end as breaks h->fref0 array
3614 * by freeing some of its pointers. */
3615 for( int i = 0; i < h->i_ref[0]; i++ )
3616 if( h->fref[0][i] && h->fref[0][i]->b_duplicate )
3618 x264_frame_push_blank_unused( h, h->fref[0][i] );
3622 if( h->param.psz_dump_yuv )
3623 x264_frame_dump( h );
3629 static void x264_print_intra( int64_t *i_mb_count, double i_count, int b_print_pcm, char *intra )
3631 intra += sprintf( intra, "I16..4%s: %4.1f%% %4.1f%% %4.1f%%",
3632 b_print_pcm ? "..PCM" : "",
3633 i_mb_count[I_16x16]/ i_count,
3634 i_mb_count[I_8x8] / i_count,
3635 i_mb_count[I_4x4] / i_count );
3637 sprintf( intra, " %4.1f%%", i_mb_count[I_PCM] / i_count );
3640 /****************************************************************************
3641 * x264_encoder_close:
3642 ****************************************************************************/
3643 void x264_encoder_close ( x264_t *h )
3645 int64_t i_yuv_size = FRAME_SIZE( h->param.i_width * h->param.i_height );
3646 int64_t i_mb_count_size[2][7] = {{0}};
3648 int b_print_pcm = h->stat.i_mb_count[SLICE_TYPE_I][I_PCM]
3649 || h->stat.i_mb_count[SLICE_TYPE_P][I_PCM]
3650 || h->stat.i_mb_count[SLICE_TYPE_B][I_PCM];
3653 x264_opencl_free( h );
3656 x264_lookahead_delete( h );
3658 if( h->param.b_sliced_threads )
3659 x264_threadpool_wait_all( h );
3660 if( h->param.i_threads > 1 )
3661 x264_threadpool_delete( h->threadpool );
3662 if( h->param.i_lookahead_threads > 1 )
3663 x264_threadpool_delete( h->lookaheadpool );
3664 if( h->i_thread_frames > 1 )
3666 for( int i = 0; i < h->i_thread_frames; i++ )
3667 if( h->thread[i]->b_thread_active )
3669 assert( h->thread[i]->fenc->i_reference_count == 1 );
3670 x264_frame_delete( h->thread[i]->fenc );
3673 x264_t *thread_prev = h->thread[h->i_thread_phase];
3674 x264_thread_sync_ratecontrol( h, thread_prev, h );
3675 x264_thread_sync_ratecontrol( thread_prev, thread_prev, h );
3676 h->i_frame = thread_prev->i_frame + 1 - h->i_thread_frames;
3680 /* Slices used and PSNR */
3681 for( int i = 0; i < 3; i++ )
3683 static const uint8_t slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_P, SLICE_TYPE_B };
3684 int i_slice = slice_order[i];
3686 if( h->stat.i_frame_count[i_slice] > 0 )
3688 int i_count = h->stat.i_frame_count[i_slice];
3689 double dur = h->stat.f_frame_duration[i_slice];
3690 if( h->param.analyse.b_psnr )
3692 x264_log( h, X264_LOG_INFO,
3693 "frame %c:%-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",
3694 slice_type_to_char[i_slice],
3696 h->stat.f_frame_qp[i_slice] / i_count,
3697 (double)h->stat.i_frame_size[i_slice] / i_count,
3698 h->stat.f_psnr_mean_y[i_slice] / dur, h->stat.f_psnr_mean_u[i_slice] / dur, h->stat.f_psnr_mean_v[i_slice] / dur,
3699 h->stat.f_psnr_average[i_slice] / dur,
3700 x264_psnr( h->stat.f_ssd_global[i_slice], dur * i_yuv_size ) );
3704 x264_log( h, X264_LOG_INFO,
3705 "frame %c:%-5d Avg QP:%5.2f size:%6.0f\n",
3706 slice_type_to_char[i_slice],
3708 h->stat.f_frame_qp[i_slice] / i_count,
3709 (double)h->stat.i_frame_size[i_slice] / i_count );
3713 if( h->param.i_bframe && h->stat.i_frame_count[SLICE_TYPE_B] )
3717 // weight by number of frames (including the I/P-frames) that are in a sequence of N B-frames
3718 for( int i = 0; i <= h->param.i_bframe; i++ )
3719 den += (i+1) * h->stat.i_consecutive_bframes[i];
3720 for( int i = 0; i <= h->param.i_bframe; i++ )
3721 p += sprintf( p, " %4.1f%%", 100. * (i+1) * h->stat.i_consecutive_bframes[i] / den );
3722 x264_log( h, X264_LOG_INFO, "consecutive B-frames:%s\n", buf );
3725 for( int i_type = 0; i_type < 2; i_type++ )
3726 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
3728 if( i == D_DIRECT_8x8 ) continue; /* direct is counted as its own type */
3729 i_mb_count_size[i_type][x264_mb_partition_pixel_table[i]] += h->stat.i_mb_partition[i_type][i];
3733 if( h->stat.i_frame_count[SLICE_TYPE_I] > 0 )
3735 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
3736 double i_count = h->stat.i_frame_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
3737 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
3738 x264_log( h, X264_LOG_INFO, "mb I %s\n", buf );
3740 if( h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
3742 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
3743 double i_count = h->stat.i_frame_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
3744 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_P];
3745 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
3746 x264_log( h, X264_LOG_INFO,
3747 "mb P %s P16..4: %4.1f%% %4.1f%% %4.1f%% %4.1f%% %4.1f%% skip:%4.1f%%\n",
3749 i_mb_size[PIXEL_16x16] / (i_count*4),
3750 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
3751 i_mb_size[PIXEL_8x8] / (i_count*4),
3752 (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
3753 i_mb_size[PIXEL_4x4] / (i_count*4),
3754 i_mb_count[P_SKIP] / i_count );
3756 if( h->stat.i_frame_count[SLICE_TYPE_B] > 0 )
3758 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
3759 double i_count = h->stat.i_frame_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
3760 double i_mb_list_count;
3761 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_B];
3762 int64_t list_count[3] = {0}; /* 0 == L0, 1 == L1, 2 == BI */
3763 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
3764 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
3765 for( int j = 0; j < 2; j++ )
3767 int l0 = x264_mb_type_list_table[i][0][j];
3768 int l1 = x264_mb_type_list_table[i][1][j];
3770 list_count[l1+l0*l1] += h->stat.i_mb_count[SLICE_TYPE_B][i] * 2;
3772 list_count[0] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L0_8x8];
3773 list_count[1] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L1_8x8];
3774 list_count[2] += h->stat.i_mb_partition[SLICE_TYPE_B][D_BI_8x8];
3775 i_mb_count[B_DIRECT] += (h->stat.i_mb_partition[SLICE_TYPE_B][D_DIRECT_8x8]+2)/4;
3776 i_mb_list_count = (list_count[0] + list_count[1] + list_count[2]) / 100.0;
3777 sprintf( buf + strlen(buf), " B16..8: %4.1f%% %4.1f%% %4.1f%% direct:%4.1f%% skip:%4.1f%%",
3778 i_mb_size[PIXEL_16x16] / (i_count*4),
3779 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
3780 i_mb_size[PIXEL_8x8] / (i_count*4),
3781 i_mb_count[B_DIRECT] / i_count,
3782 i_mb_count[B_SKIP] / i_count );
3783 if( i_mb_list_count != 0 )
3784 sprintf( buf + strlen(buf), " L0:%4.1f%% L1:%4.1f%% BI:%4.1f%%",
3785 list_count[0] / i_mb_list_count,
3786 list_count[1] / i_mb_list_count,
3787 list_count[2] / i_mb_list_count );
3788 x264_log( h, X264_LOG_INFO, "mb B %s\n", buf );
3791 x264_ratecontrol_summary( h );
3793 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 )
3795 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
3796 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
3797 int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
3798 int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
3799 + SUM3b( h->stat.i_mb_count, I_16x16 );
3800 int64_t i_all_intra = i_intra + SUM3b( h->stat.i_mb_count, I_PCM);
3801 int64_t i_skip = SUM3b( h->stat.i_mb_count, P_SKIP )
3802 + SUM3b( h->stat.i_mb_count, B_SKIP );
3803 const int i_count = h->stat.i_frame_count[SLICE_TYPE_I] +
3804 h->stat.i_frame_count[SLICE_TYPE_P] +
3805 h->stat.i_frame_count[SLICE_TYPE_B];
3806 int64_t i_mb_count = (int64_t)i_count * h->mb.i_mb_count;
3807 int64_t i_inter = i_mb_count - i_skip - i_intra;
3808 const double duration = h->stat.f_frame_duration[SLICE_TYPE_I] +
3809 h->stat.f_frame_duration[SLICE_TYPE_P] +
3810 h->stat.f_frame_duration[SLICE_TYPE_B];
3811 float f_bitrate = SUM3(h->stat.i_frame_size) / duration / 125;
3813 if( PARAM_INTERLACED )
3815 char *fieldstats = buf;
3818 fieldstats += sprintf( fieldstats, " inter:%.1f%%", h->stat.i_mb_field[1] * 100.0 / i_inter );
3820 fieldstats += sprintf( fieldstats, " skip:%.1f%%", h->stat.i_mb_field[2] * 100.0 / i_skip );
3821 x264_log( h, X264_LOG_INFO, "field mbs: intra: %.1f%%%s\n",
3822 h->stat.i_mb_field[0] * 100.0 / i_intra, buf );
3825 if( h->pps->b_transform_8x8_mode )
3828 if( h->stat.i_mb_count_8x8dct[0] )
3829 sprintf( buf, " inter:%.1f%%", 100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
3830 x264_log( h, X264_LOG_INFO, "8x8 transform intra:%.1f%%%s\n", 100. * i_i8x8 / i_intra, buf );
3833 if( (h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO ||
3834 (h->stat.i_direct_frames[0] && h->stat.i_direct_frames[1]))
3835 && h->stat.i_frame_count[SLICE_TYPE_B] )
3837 x264_log( h, X264_LOG_INFO, "direct mvs spatial:%.1f%% temporal:%.1f%%\n",
3838 h->stat.i_direct_frames[1] * 100. / h->stat.i_frame_count[SLICE_TYPE_B],
3839 h->stat.i_direct_frames[0] * 100. / h->stat.i_frame_count[SLICE_TYPE_B] );
3843 int csize = CHROMA444 ? 4 : 1;
3844 if( i_mb_count != i_all_intra )
3845 sprintf( buf, " inter: %.1f%% %.1f%% %.1f%%",
3846 h->stat.i_mb_cbp[1] * 100.0 / ((i_mb_count - i_all_intra)*4),
3847 h->stat.i_mb_cbp[3] * 100.0 / ((i_mb_count - i_all_intra)*csize),
3848 h->stat.i_mb_cbp[5] * 100.0 / ((i_mb_count - i_all_intra)*csize) );
3849 x264_log( h, X264_LOG_INFO, "coded y,%s,%s intra: %.1f%% %.1f%% %.1f%%%s\n",
3850 CHROMA444?"u":"uvDC", CHROMA444?"v":"uvAC",
3851 h->stat.i_mb_cbp[0] * 100.0 / (i_all_intra*4),
3852 h->stat.i_mb_cbp[2] * 100.0 / (i_all_intra*csize),
3853 h->stat.i_mb_cbp[4] * 100.0 / (i_all_intra*csize), buf );
3855 int64_t fixed_pred_modes[4][9] = {{0}};
3856 int64_t sum_pred_modes[4] = {0};
3857 for( int i = 0; i <= I_PRED_16x16_DC_128; i++ )
3859 fixed_pred_modes[0][x264_mb_pred_mode16x16_fix[i]] += h->stat.i_mb_pred_mode[0][i];
3860 sum_pred_modes[0] += h->stat.i_mb_pred_mode[0][i];
3862 if( sum_pred_modes[0] )
3863 x264_log( h, X264_LOG_INFO, "i16 v,h,dc,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
3864 fixed_pred_modes[0][0] * 100.0 / sum_pred_modes[0],
3865 fixed_pred_modes[0][1] * 100.0 / sum_pred_modes[0],
3866 fixed_pred_modes[0][2] * 100.0 / sum_pred_modes[0],
3867 fixed_pred_modes[0][3] * 100.0 / sum_pred_modes[0] );
3868 for( int i = 1; i <= 2; i++ )
3870 for( int j = 0; j <= I_PRED_8x8_DC_128; j++ )
3872 fixed_pred_modes[i][x264_mb_pred_mode4x4_fix(j)] += h->stat.i_mb_pred_mode[i][j];
3873 sum_pred_modes[i] += h->stat.i_mb_pred_mode[i][j];
3875 if( sum_pred_modes[i] )
3876 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,
3877 fixed_pred_modes[i][0] * 100.0 / sum_pred_modes[i],
3878 fixed_pred_modes[i][1] * 100.0 / sum_pred_modes[i],
3879 fixed_pred_modes[i][2] * 100.0 / sum_pred_modes[i],
3880 fixed_pred_modes[i][3] * 100.0 / sum_pred_modes[i],
3881 fixed_pred_modes[i][4] * 100.0 / sum_pred_modes[i],
3882 fixed_pred_modes[i][5] * 100.0 / sum_pred_modes[i],
3883 fixed_pred_modes[i][6] * 100.0 / sum_pred_modes[i],
3884 fixed_pred_modes[i][7] * 100.0 / sum_pred_modes[i],
3885 fixed_pred_modes[i][8] * 100.0 / sum_pred_modes[i] );
3887 for( int i = 0; i <= I_PRED_CHROMA_DC_128; i++ )
3889 fixed_pred_modes[3][x264_mb_chroma_pred_mode_fix[i]] += h->stat.i_mb_pred_mode[3][i];
3890 sum_pred_modes[3] += h->stat.i_mb_pred_mode[3][i];
3892 if( sum_pred_modes[3] && !CHROMA444 )
3893 x264_log( h, X264_LOG_INFO, "i8c dc,h,v,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
3894 fixed_pred_modes[3][0] * 100.0 / sum_pred_modes[3],
3895 fixed_pred_modes[3][1] * 100.0 / sum_pred_modes[3],
3896 fixed_pred_modes[3][2] * 100.0 / sum_pred_modes[3],
3897 fixed_pred_modes[3][3] * 100.0 / sum_pred_modes[3] );
3899 if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE && h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
3900 x264_log( h, X264_LOG_INFO, "Weighted P-Frames: Y:%.1f%% UV:%.1f%%\n",
3901 h->stat.i_wpred[0] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P],
3902 h->stat.i_wpred[1] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P] );
3904 for( int i_list = 0; i_list < 2; i_list++ )
3905 for( int i_slice = 0; i_slice < 2; i_slice++ )
3910 for( int i = 0; i < X264_REF_MAX*2; i++ )
3911 if( h->stat.i_mb_count_ref[i_slice][i_list][i] )
3913 i_den += h->stat.i_mb_count_ref[i_slice][i_list][i];
3918 for( int i = 0; i <= i_max; i++ )
3919 p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i_list][i] / i_den );
3920 x264_log( h, X264_LOG_INFO, "ref %c L%d:%s\n", "PB"[i_slice], i_list, buf );
3923 if( h->param.analyse.b_ssim )
3925 float ssim = SUM3( h->stat.f_ssim_mean_y ) / duration;
3926 x264_log( h, X264_LOG_INFO, "SSIM Mean Y:%.7f (%6.3fdb)\n", ssim, x264_ssim( ssim ) );
3928 if( h->param.analyse.b_psnr )
3930 x264_log( h, X264_LOG_INFO,
3931 "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
3932 SUM3( h->stat.f_psnr_mean_y ) / duration,
3933 SUM3( h->stat.f_psnr_mean_u ) / duration,
3934 SUM3( h->stat.f_psnr_mean_v ) / duration,
3935 SUM3( h->stat.f_psnr_average ) / duration,
3936 x264_psnr( SUM3( h->stat.f_ssd_global ), duration * i_yuv_size ),
3940 x264_log( h, X264_LOG_INFO, "kb/s:%.2f\n", f_bitrate );
3944 x264_ratecontrol_delete( h );
3947 if( h->param.rc.psz_stat_out )
3948 free( h->param.rc.psz_stat_out );
3949 if( h->param.rc.psz_stat_in )
3950 free( h->param.rc.psz_stat_in );
3952 x264_cqm_delete( h );
3953 x264_free( h->nal_buffer );
3954 x264_analyse_free_costs( h );
3956 if( h->i_thread_frames > 1 )
3957 h = h->thread[h->i_thread_phase];
3960 x264_frame_delete_list( h->frames.unused[0] );
3961 x264_frame_delete_list( h->frames.unused[1] );
3962 x264_frame_delete_list( h->frames.current );
3963 x264_frame_delete_list( h->frames.blank_unused );
3967 for( int i = 0; i < h->i_thread_frames; i++ )
3968 if( h->thread[i]->b_thread_active )
3969 for( int j = 0; j < h->thread[i]->i_ref[0]; j++ )
3970 if( h->thread[i]->fref[0][j] && h->thread[i]->fref[0][j]->b_duplicate )
3971 x264_frame_delete( h->thread[i]->fref[0][j] );
3973 if( h->param.i_lookahead_threads > 1 )
3974 for( int i = 0; i < h->param.i_lookahead_threads; i++ )
3975 x264_free( h->lookahead_thread[i] );
3977 for( int i = h->param.i_threads - 1; i >= 0; i-- )
3979 x264_frame_t **frame;
3981 if( !h->param.b_sliced_threads || i == 0 )
3983 for( frame = h->thread[i]->frames.reference; *frame; frame++ )
3985 assert( (*frame)->i_reference_count > 0 );
3986 (*frame)->i_reference_count--;
3987 if( (*frame)->i_reference_count == 0 )
3988 x264_frame_delete( *frame );
3990 frame = &h->thread[i]->fdec;
3993 assert( (*frame)->i_reference_count > 0 );
3994 (*frame)->i_reference_count--;
3995 if( (*frame)->i_reference_count == 0 )
3996 x264_frame_delete( *frame );
3998 x264_macroblock_cache_free( h->thread[i] );
4000 x264_macroblock_thread_free( h->thread[i], 0 );
4001 x264_free( h->thread[i]->out.p_bitstream );
4002 x264_free( h->thread[i]->out.nal );
4003 x264_pthread_mutex_destroy( &h->thread[i]->mutex );
4004 x264_pthread_cond_destroy( &h->thread[i]->cv );
4005 x264_free( h->thread[i] );
4009 int x264_encoder_delayed_frames( x264_t *h )
4011 int delayed_frames = 0;
4012 if( h->i_thread_frames > 1 )
4014 for( int i = 0; i < h->i_thread_frames; i++ )
4015 delayed_frames += h->thread[i]->b_thread_active;
4016 h = h->thread[h->i_thread_phase];
4018 for( int i = 0; h->frames.current[i]; i++ )
4020 x264_pthread_mutex_lock( &h->lookahead->ofbuf.mutex );
4021 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
4022 x264_pthread_mutex_lock( &h->lookahead->next.mutex );
4023 delayed_frames += h->lookahead->ifbuf.i_size + h->lookahead->next.i_size + h->lookahead->ofbuf.i_size;
4024 x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
4025 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
4026 x264_pthread_mutex_unlock( &h->lookahead->ofbuf.mutex );
4027 return delayed_frames;
4030 int x264_encoder_maximum_delayed_frames( x264_t *h )
4032 return h->frames.i_delay;