1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003-2008 x264 project
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7 * Loren Merritt <lorenm@u.washington.edu>
8 * Fiona Glaser <fiona@x264.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
23 *****************************************************************************/
27 #include "common/common.h"
31 #include "ratecontrol.h"
32 #include "macroblock.h"
36 #include "common/visualize.h"
39 //#define DEBUG_MB_TYPE
41 #define bs_write_ue bs_write_ue_big
43 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
44 x264_nal_t **pp_nal, int *pi_nal,
45 x264_picture_t *pic_out );
47 /****************************************************************************
49 ******************************* x264 libs **********************************
51 ****************************************************************************/
52 static float x264_psnr( int64_t i_sqe, int64_t i_size )
54 double f_mse = (double)i_sqe / (PIXEL_MAX*PIXEL_MAX * (double)i_size);
55 if( f_mse <= 0.0000000001 ) /* Max 100dB */
58 return -10.0 * log10( f_mse );
61 static float x264_ssim( float ssim )
63 return -10.0 * log10( 1 - ssim );
66 static void x264_frame_dump( x264_t *h )
68 FILE *f = fopen( h->param.psz_dump_yuv, "r+b" );
71 /* Write the frame in display order */
72 fseek( f, (uint64_t)h->fdec->i_frame * h->param.i_height * h->param.i_width * 3/2 * sizeof(pixel), SEEK_SET );
73 for( int y = 0; y < h->param.i_height; y++ )
74 fwrite( &h->fdec->plane[0][y*h->fdec->i_stride[0]], sizeof(pixel), h->param.i_width, f );
75 int cw = h->param.i_width>>1;
76 int ch = h->param.i_height>>1;
77 pixel *planeu = x264_malloc( cw*ch*2*sizeof(pixel) );
78 pixel *planev = planeu + cw*ch;
79 h->mc.plane_copy_deinterleave( planeu, cw, planev, cw, h->fdec->plane[1], h->fdec->i_stride[1], cw, ch );
80 fwrite( planeu, 1, cw*ch*2*sizeof(pixel), f );
86 /* Fill "default" values */
87 static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
88 x264_sps_t *sps, x264_pps_t *pps,
89 int i_idr_pic_id, int i_frame, int i_qp )
91 x264_param_t *param = &h->param;
93 /* First we fill all fields */
98 sh->i_last_mb = h->mb.i_mb_count - 1;
99 sh->i_pps_id = pps->i_id;
101 sh->i_frame_num = i_frame;
103 sh->b_mbaff = h->param.b_interlaced;
104 sh->b_field_pic = 0; /* no field support for now */
105 sh->b_bottom_field = 0; /* not yet used */
107 sh->i_idr_pic_id = i_idr_pic_id;
109 /* poc stuff, fixed later */
111 sh->i_delta_poc_bottom = 0;
112 sh->i_delta_poc[0] = 0;
113 sh->i_delta_poc[1] = 0;
115 sh->i_redundant_pic_cnt = 0;
117 h->mb.b_direct_auto_write = h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
119 && ( h->param.rc.b_stat_write || !h->param.rc.b_stat_read );
121 if( !h->mb.b_direct_auto_read && sh->i_type == SLICE_TYPE_B )
123 if( h->fref1[0]->i_poc_l0ref0 == h->fref0[0]->i_poc )
125 if( h->mb.b_direct_auto_write )
126 sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] );
128 sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL );
132 h->mb.b_direct_auto_write = 0;
133 sh->b_direct_spatial_mv_pred = 1;
136 /* else b_direct_spatial_mv_pred was read from the 2pass statsfile */
138 sh->b_num_ref_idx_override = 0;
139 sh->i_num_ref_idx_l0_active = 1;
140 sh->i_num_ref_idx_l1_active = 1;
142 sh->b_ref_pic_list_reordering_l0 = h->b_ref_reorder[0];
143 sh->b_ref_pic_list_reordering_l1 = h->b_ref_reorder[1];
145 /* If the ref list isn't in the default order, construct reordering header */
146 /* List1 reordering isn't needed yet */
147 if( sh->b_ref_pic_list_reordering_l0 )
149 int pred_frame_num = i_frame;
150 for( int i = 0; i < h->i_ref0; i++ )
152 int diff = h->fref0[i]->i_frame_num - pred_frame_num;
153 sh->ref_pic_list_order[0][i].idc = ( diff > 0 );
154 sh->ref_pic_list_order[0][i].arg = (abs(diff) - 1) & ((1 << sps->i_log2_max_frame_num) - 1);
155 pred_frame_num = h->fref0[i]->i_frame_num;
159 sh->i_cabac_init_idc = param->i_cabac_init_idc;
162 sh->i_qp_delta = i_qp - pps->i_pic_init_qp;
163 sh->b_sp_for_swidth = 0;
166 int deblock_thresh = i_qp + 2 * X264_MIN(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta);
167 /* If effective qp <= 15, deblocking would have no effect anyway */
168 if( param->b_deblocking_filter && (h->mb.b_variable_qp || 15 < deblock_thresh ) )
169 sh->i_disable_deblocking_filter_idc = param->b_sliced_threads ? 2 : 0;
171 sh->i_disable_deblocking_filter_idc = 1;
172 sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1;
173 sh->i_beta_offset = param->i_deblocking_filter_beta << 1;
176 static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc )
180 assert( sh->i_first_mb % (2*sh->sps->i_mb_width) == 0 );
181 bs_write_ue( s, sh->i_first_mb >> 1 );
184 bs_write_ue( s, sh->i_first_mb );
186 bs_write_ue( s, sh->i_type + 5 ); /* same type things */
187 bs_write_ue( s, sh->i_pps_id );
188 bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num & ((1<<sh->sps->i_log2_max_frame_num)-1) );
190 if( !sh->sps->b_frame_mbs_only )
192 bs_write1( s, sh->b_field_pic );
193 if( sh->b_field_pic )
194 bs_write1( s, sh->b_bottom_field );
197 if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */
198 bs_write_ue( s, sh->i_idr_pic_id );
200 if( sh->sps->i_poc_type == 0 )
202 bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc & ((1<<sh->sps->i_log2_max_poc_lsb)-1) );
203 if( sh->pps->b_pic_order && !sh->b_field_pic )
204 bs_write_se( s, sh->i_delta_poc_bottom );
206 else if( sh->sps->i_poc_type == 1 && !sh->sps->b_delta_pic_order_always_zero )
208 bs_write_se( s, sh->i_delta_poc[0] );
209 if( sh->pps->b_pic_order && !sh->b_field_pic )
210 bs_write_se( s, sh->i_delta_poc[1] );
213 if( sh->pps->b_redundant_pic_cnt )
214 bs_write_ue( s, sh->i_redundant_pic_cnt );
216 if( sh->i_type == SLICE_TYPE_B )
217 bs_write1( s, sh->b_direct_spatial_mv_pred );
219 if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_B )
221 bs_write1( s, sh->b_num_ref_idx_override );
222 if( sh->b_num_ref_idx_override )
224 bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 );
225 if( sh->i_type == SLICE_TYPE_B )
226 bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 );
230 /* ref pic list reordering */
231 if( sh->i_type != SLICE_TYPE_I )
233 bs_write1( s, sh->b_ref_pic_list_reordering_l0 );
234 if( sh->b_ref_pic_list_reordering_l0 )
236 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
238 bs_write_ue( s, sh->ref_pic_list_order[0][i].idc );
239 bs_write_ue( s, sh->ref_pic_list_order[0][i].arg );
244 if( sh->i_type == SLICE_TYPE_B )
246 bs_write1( s, sh->b_ref_pic_list_reordering_l1 );
247 if( sh->b_ref_pic_list_reordering_l1 )
249 for( int i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
251 bs_write_ue( s, sh->ref_pic_list_order[1][i].idc );
252 bs_write_ue( s, sh->ref_pic_list_order[1][i].arg );
258 if( sh->pps->b_weighted_pred && sh->i_type == SLICE_TYPE_P )
260 /* pred_weight_table() */
261 bs_write_ue( s, sh->weight[0][0].i_denom );
262 bs_write_ue( s, sh->weight[0][1].i_denom );
263 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
265 int luma_weight_l0_flag = !!sh->weight[i][0].weightfn;
266 int chroma_weight_l0_flag = !!sh->weight[i][1].weightfn || !!sh->weight[i][2].weightfn;
267 bs_write1( s, luma_weight_l0_flag );
268 if( luma_weight_l0_flag )
270 bs_write_se( s, sh->weight[i][0].i_scale );
271 bs_write_se( s, sh->weight[i][0].i_offset );
273 bs_write1( s, chroma_weight_l0_flag );
274 if( chroma_weight_l0_flag )
276 for( int j = 1; j < 3; j++ )
278 bs_write_se( s, sh->weight[i][j].i_scale );
279 bs_write_se( s, sh->weight[i][j].i_offset );
284 else if( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B )
289 if( i_nal_ref_idc != 0 )
291 if( sh->i_idr_pic_id >= 0 )
293 bs_write1( s, 0 ); /* no output of prior pics flag */
294 bs_write1( s, 0 ); /* long term reference flag */
298 bs_write1( s, sh->i_mmco_command_count > 0 ); /* adaptive_ref_pic_marking_mode_flag */
299 if( sh->i_mmco_command_count > 0 )
301 for( int i = 0; i < sh->i_mmco_command_count; i++ )
303 bs_write_ue( s, 1 ); /* mark short term ref as unused */
304 bs_write_ue( s, sh->mmco[i].i_difference_of_pic_nums - 1 );
306 bs_write_ue( s, 0 ); /* end command list */
311 if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I )
312 bs_write_ue( s, sh->i_cabac_init_idc );
314 bs_write_se( s, sh->i_qp_delta ); /* slice qp delta */
316 if( sh->pps->b_deblocking_filter_control )
318 bs_write_ue( s, sh->i_disable_deblocking_filter_idc );
319 if( sh->i_disable_deblocking_filter_idc != 1 )
321 bs_write_se( s, sh->i_alpha_c0_offset >> 1 );
322 bs_write_se( s, sh->i_beta_offset >> 1 );
327 /* If we are within a reasonable distance of the end of the memory allocated for the bitstream, */
328 /* reallocate, adding an arbitrary amount of space (100 kilobytes). */
329 static int x264_bitstream_check_buffer( x264_t *h )
331 uint8_t *bs_bak = h->out.p_bitstream;
332 if( (h->param.b_cabac && (h->cabac.p_end - h->cabac.p < 2500)) ||
333 (h->out.bs.p_end - h->out.bs.p < 2500) )
335 h->out.i_bitstream += 100000;
336 CHECKED_MALLOC( h->out.p_bitstream, h->out.i_bitstream );
337 h->mc.memcpy_aligned( h->out.p_bitstream, bs_bak, (h->out.i_bitstream - 100000) & ~15 );
338 intptr_t delta = h->out.p_bitstream - bs_bak;
340 h->out.bs.p_start += delta;
341 h->out.bs.p += delta;
342 h->out.bs.p_end = h->out.p_bitstream + h->out.i_bitstream;
344 h->cabac.p_start += delta;
346 h->cabac.p_end = h->out.p_bitstream + h->out.i_bitstream;
348 for( int i = 0; i <= h->out.i_nal; i++ )
349 h->out.nal[i].p_payload += delta;
359 static void x264_encoder_thread_init( x264_t *h )
361 if( h->param.i_sync_lookahead )
362 x264_lower_thread_priority( 10 );
365 /* Misalign mask has to be set separately for each thread. */
366 if( h->param.cpu&X264_CPU_SSE_MISALIGN )
367 x264_cpu_mask_misalign_sse();
372 /****************************************************************************
374 ****************************************************************************
375 ****************************** External API*********************************
376 ****************************************************************************
378 ****************************************************************************/
380 static int x264_validate_parameters( x264_t *h )
384 if( !(x264_cpu_detect() & X264_CPU_SSE) )
386 x264_log( h, X264_LOG_ERROR, "your cpu does not support SSE1, but x264 was compiled with asm support\n");
388 if( !(x264_cpu_detect() & X264_CPU_MMXEXT) )
390 x264_log( h, X264_LOG_ERROR, "your cpu does not support MMXEXT, but x264 was compiled with asm support\n");
392 x264_log( h, X264_LOG_ERROR, "to run x264, recompile without asm support (configure --disable-asm)\n");
396 if( h->param.i_width <= 0 || h->param.i_height <= 0 )
398 x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
399 h->param.i_width, h->param.i_height );
403 if( h->param.i_width % 2 || h->param.i_height % 2 )
405 x264_log( h, X264_LOG_ERROR, "width or height not divisible by 2 (%dx%d)\n",
406 h->param.i_width, h->param.i_height );
409 int i_csp = h->param.i_csp & X264_CSP_MASK;
410 if( i_csp <= X264_CSP_NONE || i_csp >= X264_CSP_MAX )
412 x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420/YV12/NV12 supported)\n" );
416 if( h->param.i_threads == X264_THREADS_AUTO )
417 h->param.i_threads = x264_cpu_num_processors() * (h->param.b_sliced_threads?2:3)/2;
418 h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
419 if( h->param.i_threads > 1 )
422 x264_log( h, X264_LOG_WARNING, "not compiled with pthread support!\n");
423 h->param.i_threads = 1;
425 /* Avoid absurdly small thread slices as they can reduce performance
426 * and VBV compliance. Capped at an arbitrary 4 rows per thread. */
427 if( h->param.b_sliced_threads )
429 int max_threads = (h->param.i_height+15)/16 / 4;
430 h->param.i_threads = X264_MIN( h->param.i_threads, max_threads );
434 h->param.b_sliced_threads = 0;
435 h->i_thread_frames = h->param.b_sliced_threads ? 1 : h->param.i_threads;
436 if( h->i_thread_frames > 1 )
437 h->param.nalu_process = NULL;
439 if( h->param.b_interlaced )
441 if( h->param.analyse.i_me_method >= X264_ME_ESA )
443 x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
444 h->param.analyse.i_me_method = X264_ME_UMH;
446 if( h->param.analyse.i_weighted_pred > 0 )
448 x264_log( h, X264_LOG_WARNING, "interlace + weightp is not implemented\n" );
449 h->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
453 /* Detect default ffmpeg settings and terminate with an error. */
456 score += h->param.analyse.i_me_range == 0;
457 score += h->param.rc.i_qp_step == 3;
458 score += h->param.i_keyint_max == 12;
459 score += h->param.rc.i_qp_min == 2;
460 score += h->param.rc.i_qp_max == 31;
461 score += h->param.rc.f_qcompress == 0.5;
462 score += fabs(h->param.rc.f_ip_factor - 1.25) < 0.01;
463 score += fabs(h->param.rc.f_pb_factor - 1.25) < 0.01;
464 score += h->param.analyse.inter == 0 && h->param.analyse.i_subpel_refine == 8;
467 x264_log( h, X264_LOG_ERROR, "broken ffmpeg default settings detected\n" );
468 x264_log( h, X264_LOG_ERROR, "use an encoding preset (vpre)\n" );
473 if( h->param.rc.i_rc_method < 0 || h->param.rc.i_rc_method > 2 )
475 x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" );
478 h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, 0, QP_MAX );
479 h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, QP_MAX );
480 if( h->param.rc.i_rc_method == X264_RC_CRF )
482 h->param.rc.i_qp_constant = h->param.rc.f_rf_constant;
483 h->param.rc.i_bitrate = 0;
485 if( (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF)
486 && h->param.rc.i_qp_constant == 0 )
488 h->mb.b_lossless = 1;
489 h->param.i_cqm_preset = X264_CQM_FLAT;
490 h->param.psz_cqm_file = NULL;
491 h->param.rc.i_rc_method = X264_RC_CQP;
492 h->param.rc.f_ip_factor = 1;
493 h->param.rc.f_pb_factor = 1;
494 h->param.analyse.b_psnr = 0;
495 h->param.analyse.b_ssim = 0;
496 h->param.analyse.i_chroma_qp_offset = 0;
497 h->param.analyse.i_trellis = 0;
498 h->param.analyse.b_fast_pskip = 0;
499 h->param.analyse.i_noise_reduction = 0;
500 h->param.analyse.b_psy = 0;
501 h->param.i_bframe = 0;
502 /* 8x8dct is not useful at all in CAVLC lossless */
503 if( !h->param.b_cabac )
504 h->param.analyse.b_transform_8x8 = 0;
506 if( h->param.rc.i_rc_method == X264_RC_CQP )
508 float qp_p = h->param.rc.i_qp_constant;
509 float qp_i = qp_p - 6*log2f( h->param.rc.f_ip_factor );
510 float qp_b = qp_p + 6*log2f( h->param.rc.f_pb_factor );
511 h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, QP_MAX );
512 h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, QP_MAX );
513 h->param.rc.i_aq_mode = 0;
514 h->param.rc.b_mb_tree = 0;
516 h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, QP_MAX );
517 h->param.rc.i_qp_min = x264_clip3( h->param.rc.i_qp_min, 0, h->param.rc.i_qp_max );
518 if( h->param.rc.i_vbv_buffer_size )
520 if( h->param.rc.i_rc_method == X264_RC_CQP )
522 x264_log( h, X264_LOG_WARNING, "VBV is incompatible with constant QP, ignored.\n" );
523 h->param.rc.i_vbv_max_bitrate = 0;
524 h->param.rc.i_vbv_buffer_size = 0;
526 else if( h->param.rc.i_vbv_max_bitrate == 0 )
528 if( h->param.rc.i_rc_method == X264_RC_ABR )
530 x264_log( h, X264_LOG_WARNING, "VBV maxrate unspecified, assuming CBR\n" );
531 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate;
535 x264_log( h, X264_LOG_WARNING, "VBV bufsize set but maxrate unspecified, ignored\n" );
536 h->param.rc.i_vbv_buffer_size = 0;
539 else if( h->param.rc.i_vbv_max_bitrate < h->param.rc.i_bitrate &&
540 h->param.rc.i_rc_method == X264_RC_ABR )
542 x264_log( h, X264_LOG_WARNING, "max bitrate less than average bitrate, assuming CBR\n" );
543 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate;
546 else if( h->param.rc.i_vbv_max_bitrate )
548 x264_log( h, X264_LOG_WARNING, "VBV maxrate specified, but no bufsize, ignored\n" );
549 h->param.rc.i_vbv_max_bitrate = 0;
552 if( h->param.b_interlaced && h->param.i_slice_max_size )
554 x264_log( h, X264_LOG_WARNING, "interlaced + slice-max-size is not implemented\n" );
555 h->param.i_slice_max_size = 0;
557 if( h->param.b_interlaced && h->param.i_slice_max_mbs )
559 x264_log( h, X264_LOG_WARNING, "interlaced + slice-max-mbs is not implemented\n" );
560 h->param.i_slice_max_mbs = 0;
562 int max_slices = (h->param.i_height+((16<<h->param.b_interlaced)-1))/(16<<h->param.b_interlaced);
563 if( h->param.b_sliced_threads )
564 h->param.i_slice_count = x264_clip3( h->param.i_threads, 0, max_slices );
567 h->param.i_slice_count = x264_clip3( h->param.i_slice_count, 0, max_slices );
568 h->param.i_slice_max_size = X264_MAX( h->param.i_slice_max_size, 0 );
569 h->param.i_slice_max_mbs = X264_MAX( h->param.i_slice_max_mbs, 0 );
570 if( h->param.i_slice_max_mbs || h->param.i_slice_max_size )
571 h->param.i_slice_count = 0;
574 h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, 16 );
575 h->param.i_dpb_size = x264_clip3( h->param.i_dpb_size, 1, 16 );
576 h->param.i_keyint_max = x264_clip3( h->param.i_keyint_max, 1, X264_KEYINT_MAX_INFINITE );
577 if( h->param.i_scenecut_threshold < 0 )
578 h->param.i_scenecut_threshold = 0;
579 if( !h->param.analyse.i_subpel_refine && h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
581 x264_log( h, X264_LOG_WARNING, "subme=0 + direct=temporal is not supported\n" );
582 h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
584 h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_MIN( X264_BFRAME_MAX, h->param.i_keyint_max-1 ) );
585 h->param.i_open_gop = x264_clip3( h->param.i_open_gop, X264_OPEN_GOP_NONE, X264_OPEN_GOP_BLURAY );
586 if( h->param.i_keyint_max == 1 )
587 h->param.b_intra_refresh = 0;
588 h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
589 if( h->param.i_bframe <= 1 )
590 h->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
591 h->param.i_bframe_pyramid = x264_clip3( h->param.i_bframe_pyramid, X264_B_PYRAMID_NONE, X264_B_PYRAMID_NORMAL );
592 if( !h->param.i_bframe )
594 h->param.i_bframe_adaptive = X264_B_ADAPT_NONE;
595 h->param.analyse.i_direct_mv_pred = 0;
596 h->param.analyse.b_weighted_bipred = 0;
597 h->param.i_open_gop = X264_OPEN_GOP_NONE;
599 if( h->param.b_intra_refresh && h->param.i_bframe_pyramid == X264_B_PYRAMID_NORMAL )
601 x264_log( h, X264_LOG_WARNING, "b-pyramid normal + intra-refresh is not supported\n" );
602 h->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
604 if( h->param.b_intra_refresh && (h->param.i_frame_reference > 1 || h->param.i_dpb_size > 1) )
606 x264_log( h, X264_LOG_WARNING, "ref > 1 + intra-refresh is not supported\n" );
607 h->param.i_frame_reference = 1;
608 h->param.i_dpb_size = 1;
610 if( h->param.b_intra_refresh && h->param.i_open_gop )
612 x264_log( h, X264_LOG_WARNING, "intra-refresh is not compatible with open-gop\n" );
613 h->param.i_open_gop = X264_OPEN_GOP_NONE;
615 float fps = h->param.i_fps_num > 0 && h->param.i_fps_den > 0 ? (float) h->param.i_fps_num / h->param.i_fps_den : 25.0;
616 if( h->param.i_keyint_min == X264_KEYINT_MIN_AUTO )
617 h->param.i_keyint_min = X264_MIN( h->param.i_keyint_max / 10, fps );
618 h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
619 h->param.rc.i_lookahead = x264_clip3( h->param.rc.i_lookahead, 0, X264_LOOKAHEAD_MAX );
621 int maxrate = X264_MAX( h->param.rc.i_vbv_max_bitrate, h->param.rc.i_bitrate );
622 float bufsize = maxrate ? (float)h->param.rc.i_vbv_buffer_size / maxrate : 0;
623 h->param.rc.i_lookahead = X264_MIN( h->param.rc.i_lookahead, X264_MAX( h->param.i_keyint_max, bufsize*fps ) );
626 if( !h->param.i_timebase_num || !h->param.i_timebase_den )
628 h->param.i_timebase_num = h->param.i_fps_den;
629 h->param.i_timebase_den = h->param.i_fps_num;
632 h->param.rc.f_qcompress = x264_clip3f( h->param.rc.f_qcompress, 0.0, 1.0 );
633 if( h->param.i_keyint_max == 1 || h->param.rc.f_qcompress == 1 )
634 h->param.rc.b_mb_tree = 0;
635 if( (!h->param.b_intra_refresh && h->param.i_keyint_max != X264_KEYINT_MAX_INFINITE) &&
636 !h->param.rc.i_lookahead && h->param.rc.b_mb_tree )
638 x264_log( h, X264_LOG_WARNING, "lookaheadless mb-tree requires intra refresh or infinite keyint\n" );
639 h->param.rc.b_mb_tree = 0;
641 if( h->param.rc.b_stat_read )
642 h->param.rc.i_lookahead = 0;
644 if( h->param.i_sync_lookahead < 0 )
645 h->param.i_sync_lookahead = h->param.i_bframe + 1;
646 h->param.i_sync_lookahead = X264_MIN( h->param.i_sync_lookahead, X264_LOOKAHEAD_MAX );
647 if( h->param.rc.b_stat_read || h->i_thread_frames == 1 )
648 h->param.i_sync_lookahead = 0;
650 h->param.i_sync_lookahead = 0;
653 h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 );
654 h->param.i_deblocking_filter_beta = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 );
655 h->param.analyse.i_luma_deadzone[0] = x264_clip3( h->param.analyse.i_luma_deadzone[0], 0, 32 );
656 h->param.analyse.i_luma_deadzone[1] = x264_clip3( h->param.analyse.i_luma_deadzone[1], 0, 32 );
658 h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 );
660 if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
661 h->param.i_cqm_preset = X264_CQM_FLAT;
663 if( h->param.analyse.i_me_method < X264_ME_DIA ||
664 h->param.analyse.i_me_method > X264_ME_TESA )
665 h->param.analyse.i_me_method = X264_ME_HEX;
666 if( h->param.analyse.i_me_range < 4 )
667 h->param.analyse.i_me_range = 4;
668 if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
669 h->param.analyse.i_me_range = 16;
670 if( h->param.analyse.i_me_method == X264_ME_TESA &&
671 (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) )
672 h->param.analyse.i_me_method = X264_ME_ESA;
673 h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 10 );
674 h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1;
675 h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16|
676 X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
677 h->param.analyse.intra &= X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
678 if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
679 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
680 if( !h->param.analyse.b_transform_8x8 )
682 h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
683 h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
685 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
686 if( !h->param.b_cabac )
687 h->param.analyse.i_trellis = 0;
688 h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
689 if( !h->param.analyse.b_psy )
691 h->param.analyse.f_psy_rd = 0;
692 h->param.analyse.f_psy_trellis = 0;
694 if( !h->param.analyse.i_trellis )
695 h->param.analyse.f_psy_trellis = 0;
696 h->param.analyse.f_psy_rd = x264_clip3f( h->param.analyse.f_psy_rd, 0, 10 );
697 h->param.analyse.f_psy_trellis = x264_clip3f( h->param.analyse.f_psy_trellis, 0, 10 );
698 if( h->param.analyse.i_subpel_refine < 6 )
699 h->param.analyse.f_psy_rd = 0;
700 h->mb.i_psy_rd = FIX8( h->param.analyse.f_psy_rd );
701 /* Psy RDO increases overall quantizers to improve the quality of luma--this indirectly hurts chroma quality */
702 /* so we lower the chroma QP offset to compensate */
703 /* This can be triggered repeatedly on multiple calls to parameter_validate, but since encoding
704 * uses the pps chroma qp offset not the param chroma qp offset, this is not a problem. */
706 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_rd < 0.25 ? 1 : 2;
707 h->mb.i_psy_trellis = FIX8( h->param.analyse.f_psy_trellis / 4 );
708 /* Psy trellis has a similar effect. */
709 if( h->mb.i_psy_trellis )
710 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_trellis < 0.25 ? 1 : 2;
711 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
712 h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 2 );
713 h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 );
714 if( h->param.rc.f_aq_strength == 0 )
715 h->param.rc.i_aq_mode = 0;
716 /* MB-tree requires AQ to be on, even if the strength is zero. */
717 if( !h->param.rc.i_aq_mode && h->param.rc.b_mb_tree )
719 h->param.rc.i_aq_mode = 1;
720 h->param.rc.f_aq_strength = 0;
722 h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 );
723 if( h->param.analyse.i_subpel_refine == 10 && (h->param.analyse.i_trellis != 2 || !h->param.rc.i_aq_mode) )
724 h->param.analyse.i_subpel_refine = 9;
727 const x264_level_t *l = x264_levels;
728 if( h->param.i_level_idc < 0 )
730 int maxrate_bak = h->param.rc.i_vbv_max_bitrate;
731 if( h->param.rc.i_rc_method == X264_RC_ABR && h->param.rc.i_vbv_buffer_size <= 0 )
732 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate * 2;
733 h->sps = h->sps_array;
734 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
735 do h->param.i_level_idc = l->level_idc;
736 while( l[1].level_idc && x264_validate_levels( h, 0 ) && l++ );
737 h->param.rc.i_vbv_max_bitrate = maxrate_bak;
741 while( l->level_idc && l->level_idc != h->param.i_level_idc )
743 if( l->level_idc == 0 )
745 x264_log( h, X264_LOG_ERROR, "invalid level_idc: %d\n", h->param.i_level_idc );
749 if( h->param.analyse.i_mv_range <= 0 )
750 h->param.analyse.i_mv_range = l->mv_range >> h->param.b_interlaced;
752 h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> h->param.b_interlaced);
755 h->param.analyse.i_weighted_pred = x264_clip3( h->param.analyse.i_weighted_pred, 0, X264_WEIGHTP_SMART );
756 if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy && !h->param.b_interlaced )
757 h->param.analyse.i_weighted_pred = X264_WEIGHTP_FAKE;
759 if( h->i_thread_frames > 1 )
761 int r = h->param.analyse.i_mv_range_thread;
765 // half of the available space is reserved and divided evenly among the threads,
766 // the rest is allocated to whichever thread is far enough ahead to use it.
767 // reserving more space increases quality for some videos, but costs more time
768 // in thread synchronization.
769 int max_range = (h->param.i_height + X264_THREAD_HEIGHT) / h->i_thread_frames - X264_THREAD_HEIGHT;
772 r = X264_MAX( r, h->param.analyse.i_me_range );
773 r = X264_MIN( r, h->param.analyse.i_mv_range );
774 // round up to use the whole mb row
775 r2 = (r & ~15) + ((-X264_THREAD_HEIGHT) & 15);
778 x264_log( h, X264_LOG_DEBUG, "using mv_range_thread = %d\n", r2 );
779 h->param.analyse.i_mv_range_thread = r2;
782 if( h->param.rc.f_qblur < 0 )
783 h->param.rc.f_qblur = 0;
784 if( h->param.rc.f_complexity_blur < 0 )
785 h->param.rc.f_complexity_blur = 0;
787 h->param.i_sps_id &= 31;
789 if( h->param.i_log_level < X264_LOG_INFO )
791 h->param.analyse.b_psnr = 0;
792 h->param.analyse.b_ssim = 0;
795 if( h->param.b_interlaced )
796 h->param.b_pic_struct = 1;
798 if( h->param.i_nal_hrd && !h->param.rc.i_vbv_buffer_size )
800 x264_log( h, X264_LOG_WARNING, "NAL HRD parameters require VBV parameters\n" );
801 h->param.i_nal_hrd = X264_NAL_HRD_NONE;
804 if( h->param.i_nal_hrd == X264_NAL_HRD_CBR &&
805 (h->param.rc.i_bitrate != h->param.rc.i_vbv_max_bitrate || !h->param.rc.i_vbv_max_bitrate) )
807 x264_log( h, X264_LOG_WARNING, "CBR HRD requires constant bitrate\n" );
808 h->param.i_nal_hrd = X264_NAL_HRD_VBR;
811 /* ensure the booleans are 0 or 1 so they can be used in math */
812 #define BOOLIFY(x) h->param.x = !!h->param.x
814 BOOLIFY( b_constrained_intra );
815 BOOLIFY( b_deblocking_filter );
816 BOOLIFY( b_deterministic );
817 BOOLIFY( b_sliced_threads );
818 BOOLIFY( b_interlaced );
819 BOOLIFY( b_intra_refresh );
820 BOOLIFY( b_visualize );
822 BOOLIFY( b_repeat_headers );
824 BOOLIFY( b_vfr_input );
825 BOOLIFY( b_pic_struct );
826 BOOLIFY( b_fake_interlaced );
827 BOOLIFY( analyse.b_transform_8x8 );
828 BOOLIFY( analyse.b_weighted_bipred );
829 BOOLIFY( analyse.b_chroma_me );
830 BOOLIFY( analyse.b_mixed_references );
831 BOOLIFY( analyse.b_fast_pskip );
832 BOOLIFY( analyse.b_dct_decimate );
833 BOOLIFY( analyse.b_psy );
834 BOOLIFY( analyse.b_psnr );
835 BOOLIFY( analyse.b_ssim );
836 BOOLIFY( rc.b_stat_write );
837 BOOLIFY( rc.b_stat_read );
838 BOOLIFY( rc.b_mb_tree );
844 static void mbcmp_init( x264_t *h )
846 int satd = !h->mb.b_lossless && h->param.analyse.i_subpel_refine > 1;
847 memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad_aligned, sizeof(h->pixf.mbcmp) );
848 memcpy( h->pixf.mbcmp_unaligned, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp_unaligned) );
849 h->pixf.intra_mbcmp_x3_16x16 = satd ? h->pixf.intra_satd_x3_16x16 : h->pixf.intra_sad_x3_16x16;
850 h->pixf.intra_mbcmp_x3_8x8c = satd ? h->pixf.intra_satd_x3_8x8c : h->pixf.intra_sad_x3_8x8c;
851 h->pixf.intra_mbcmp_x3_8x8 = satd ? h->pixf.intra_sa8d_x3_8x8 : h->pixf.intra_sad_x3_8x8;
852 h->pixf.intra_mbcmp_x3_4x4 = satd ? h->pixf.intra_satd_x3_4x4 : h->pixf.intra_sad_x3_4x4;
853 satd &= h->param.analyse.i_me_method == X264_ME_TESA;
854 memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) );
855 memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) );
856 memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) );
859 static void x264_set_aspect_ratio( x264_t *h, x264_param_t *param, int initial )
862 if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
864 uint32_t i_w = param->vui.i_sar_width;
865 uint32_t i_h = param->vui.i_sar_height;
866 uint32_t old_w = h->param.vui.i_sar_width;
867 uint32_t old_h = h->param.vui.i_sar_height;
869 x264_reduce_fraction( &i_w, &i_h );
871 while( i_w > 65535 || i_h > 65535 )
877 x264_reduce_fraction( &i_w, &i_h );
879 if( i_w != old_w || i_h != old_h || initial )
881 h->param.vui.i_sar_width = 0;
882 h->param.vui.i_sar_height = 0;
883 if( i_w == 0 || i_h == 0 )
884 x264_log( h, X264_LOG_WARNING, "cannot create valid sample aspect ratio\n" );
887 x264_log( h, initial?X264_LOG_INFO:X264_LOG_DEBUG, "using SAR=%d/%d\n", i_w, i_h );
888 h->param.vui.i_sar_width = i_w;
889 h->param.vui.i_sar_height = i_h;
895 /****************************************************************************
897 ****************************************************************************/
898 x264_t *x264_encoder_open( x264_param_t *param )
902 int qp, i_slicetype_length;
904 CHECKED_MALLOCZERO( h, sizeof(x264_t) );
906 /* Create a copy of param */
907 memcpy( &h->param, param, sizeof(x264_param_t) );
909 if( param->param_free )
910 param->param_free( param );
912 if( x264_validate_parameters( h ) < 0 )
915 if( h->param.psz_cqm_file )
916 if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
919 if( h->param.rc.psz_stat_out )
920 h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out );
921 if( h->param.rc.psz_stat_in )
922 h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
924 x264_set_aspect_ratio( h, &h->param, 1 );
926 x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
927 x264_reduce_fraction( &h->param.i_timebase_num, &h->param.i_timebase_den );
933 uint64_t new_timebase_den = h->param.i_timebase_den;
934 if( h->param.b_dts_compress )
936 /* h->i_dts_compress_multiplier == h->frames.i_bframe_delay + 1 */
937 h->i_dts_compress_multiplier = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 3 : 2) : 1;
938 if( h->i_dts_compress_multiplier != 1 )
940 new_timebase_den = h->param.i_timebase_den * h->i_dts_compress_multiplier;
941 x264_log( h, X264_LOG_DEBUG, "DTS compression changed timebase: %u/%u -> %u/%"PRIu64"\n",
942 h->param.i_timebase_num, h->param.i_timebase_den,
943 h->param.i_timebase_num, new_timebase_den );
947 h->i_dts_compress_multiplier = 1;
949 if( new_timebase_den * 2 > UINT32_MAX )
951 x264_log( h, X264_LOG_ERROR, "Effective timebase denominator %"PRIu64" exceeds H.264 maximum\n", new_timebase_den );
954 h->param.i_timebase_den = new_timebase_den;
956 h->sps = &h->sps_array[0];
957 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
959 h->pps = &h->pps_array[0];
960 x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps );
962 x264_validate_levels( h, 1 );
964 h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset;
966 if( x264_cqm_init( h ) < 0 )
969 h->mb.i_mb_width = h->sps->i_mb_width;
970 h->mb.i_mb_height = h->sps->i_mb_height;
971 h->mb.i_mb_count = h->mb.i_mb_width * h->mb.i_mb_height;
974 if( h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS && !h->param.rc.b_stat_read )
975 h->frames.i_delay = X264_MAX(h->param.i_bframe,3)*4;
977 h->frames.i_delay = h->param.i_bframe;
978 if( h->param.rc.b_mb_tree || h->param.rc.i_vbv_buffer_size )
979 h->frames.i_delay = X264_MAX( h->frames.i_delay, h->param.rc.i_lookahead );
980 i_slicetype_length = h->frames.i_delay;
981 h->frames.i_delay += h->i_thread_frames - 1;
982 h->frames.i_delay += h->param.i_sync_lookahead;
983 h->frames.i_delay += h->param.b_vfr_input && (h->param.rc.i_rc_method == X264_RC_ABR || h->param.rc.b_stat_write
984 || h->param.rc.i_vbv_buffer_size);
985 h->frames.i_bframe_delay = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 2 : 1) : 0;
987 h->frames.i_max_ref0 = h->param.i_frame_reference;
988 h->frames.i_max_ref1 = X264_MIN( h->sps->vui.i_num_reorder_frames, h->param.i_frame_reference );
989 h->frames.i_max_dpb = h->sps->vui.i_max_dec_frame_buffering;
990 h->frames.b_have_lowres = !h->param.rc.b_stat_read
991 && ( h->param.rc.i_rc_method == X264_RC_ABR
992 || h->param.rc.i_rc_method == X264_RC_CRF
993 || h->param.i_bframe_adaptive
994 || h->param.i_scenecut_threshold
995 || h->param.rc.b_mb_tree
996 || h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART );
997 h->frames.b_have_lowres |= h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0;
998 h->frames.b_have_sub8x8_esa = !!(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
1000 h->frames.i_last_idr =
1001 h->frames.i_last_keyframe = - h->param.i_keyint_max;
1002 h->frames.i_input = 0;
1003 h->frames.i_largest_pts = h->frames.i_second_largest_pts = -1;
1004 h->frames.i_poc_last_open_gop = -1;
1006 CHECKED_MALLOCZERO( h->frames.unused[0], (h->frames.i_delay + 3) * sizeof(x264_frame_t *) );
1007 /* Allocate room for max refs plus a few extra just in case. */
1008 CHECKED_MALLOCZERO( h->frames.unused[1], (h->i_thread_frames + 20) * sizeof(x264_frame_t *) );
1009 CHECKED_MALLOCZERO( h->frames.current, (h->param.i_sync_lookahead + h->param.i_bframe
1010 + h->i_thread_frames + 3) * sizeof(x264_frame_t *) );
1011 if( h->param.analyse.i_weighted_pred > 0 )
1012 CHECKED_MALLOCZERO( h->frames.blank_unused, h->i_thread_frames * 4 * sizeof(x264_frame_t *) );
1015 h->i_cpb_delay = h->i_coded_fields = h->i_disp_fields = h->i_prev_duration = 0;
1016 h->i_disp_fields_last_frame = -1;
1019 /* init CPU functions */
1020 x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
1021 x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
1022 x264_predict_8x8_init( h->param.cpu, h->predict_8x8, &h->predict_8x8_filter );
1023 x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
1024 if( !h->param.b_cabac )
1025 x264_init_vlc_tables();
1026 x264_pixel_init( h->param.cpu, &h->pixf );
1027 x264_dct_init( h->param.cpu, &h->dctf );
1028 x264_zigzag_init( h->param.cpu, &h->zigzagf, h->param.b_interlaced );
1029 x264_mc_init( h->param.cpu, &h->mc );
1030 x264_quant_init( h, h->param.cpu, &h->quantf );
1031 x264_deblock_init( h->param.cpu, &h->loopf );
1032 x264_bitstream_init( h->param.cpu, &h->bsf );
1033 x264_dct_init_weights();
1037 p = buf + sprintf( buf, "using cpu capabilities:" );
1038 for( int i = 0; x264_cpu_names[i].flags; i++ )
1040 if( !strcmp(x264_cpu_names[i].name, "SSE2")
1041 && h->param.cpu & (X264_CPU_SSE2_IS_FAST|X264_CPU_SSE2_IS_SLOW) )
1043 if( !strcmp(x264_cpu_names[i].name, "SSE3")
1044 && (h->param.cpu & X264_CPU_SSSE3 || !(h->param.cpu & X264_CPU_CACHELINE_64)) )
1046 if( !strcmp(x264_cpu_names[i].name, "SSE4.1")
1047 && (h->param.cpu & X264_CPU_SSE42) )
1049 if( (h->param.cpu & x264_cpu_names[i].flags) == x264_cpu_names[i].flags
1050 && (!i || x264_cpu_names[i].flags != x264_cpu_names[i-1].flags) )
1051 p += sprintf( p, " %s", x264_cpu_names[i].name );
1054 p += sprintf( p, " none!" );
1055 x264_log( h, X264_LOG_INFO, "%s\n", buf );
1057 for( qp = h->param.rc.i_qp_min; qp <= h->param.rc.i_qp_max; qp++ )
1058 if( x264_analyse_init_costs( h, qp ) )
1060 if( x264_analyse_init_costs( h, X264_LOOKAHEAD_QP ) )
1063 static const uint16_t cost_mv_correct[7] = { 24, 47, 95, 189, 379, 757, 1515 };
1064 /* Checks for known miscompilation issues. */
1065 if( h->cost_mv[x264_lambda_tab[X264_LOOKAHEAD_QP]][2013] != cost_mv_correct[BIT_DEPTH-8] )
1067 x264_log( h, X264_LOG_ERROR, "MV cost test failed: x264 has been miscompiled!\n" );
1071 /* Must be volatile or else GCC will optimize it out. */
1072 volatile int temp = 392;
1073 if( x264_clz( temp ) != 23 )
1075 x264_log( h, X264_LOG_ERROR, "CLZ test failed: x264 has been miscompiled!\n" );
1076 #if ARCH_X86 || ARCH_X86_64
1077 x264_log( h, X264_LOG_ERROR, "Are you attempting to run an SSE4a-targeted build on a CPU that\n" );
1078 x264_log( h, X264_LOG_ERROR, "doesn't support it?\n" );
1084 h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 4
1085 * ( h->param.rc.i_rc_method == X264_RC_ABR ? pow( 0.95, h->param.rc.i_qp_min )
1086 : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
1088 CHECKED_MALLOC( h->nal_buffer, h->out.i_bitstream * 3/2 + 4 );
1089 h->nal_buffer_size = h->out.i_bitstream * 3/2 + 4;
1091 if( h->param.i_threads > 1 &&
1092 x264_threadpool_init( &h->threadpool, h->param.i_threads, (void*)x264_encoder_thread_init, h ) )
1096 for( int i = 1; i < h->param.i_threads + !!h->param.i_sync_lookahead; i++ )
1097 CHECKED_MALLOC( h->thread[i], sizeof(x264_t) );
1099 for( int i = 0; i < h->param.i_threads; i++ )
1101 int init_nal_count = h->param.i_slice_count + 3;
1102 int allocate_threadlocal_data = !h->param.b_sliced_threads || !i;
1106 if( allocate_threadlocal_data )
1108 h->thread[i]->fdec = x264_frame_pop_unused( h, 1 );
1109 if( !h->thread[i]->fdec )
1113 h->thread[i]->fdec = h->thread[0]->fdec;
1115 CHECKED_MALLOC( h->thread[i]->out.p_bitstream, h->out.i_bitstream );
1116 /* Start each thread with room for init_nal_count NAL units; it'll realloc later if needed. */
1117 CHECKED_MALLOC( h->thread[i]->out.nal, init_nal_count*sizeof(x264_nal_t) );
1118 h->thread[i]->out.i_nals_allocated = init_nal_count;
1120 if( allocate_threadlocal_data && x264_macroblock_cache_allocate( h->thread[i] ) < 0 )
1124 if( x264_lookahead_init( h, i_slicetype_length ) )
1127 for( int i = 0; i < h->param.i_threads; i++ )
1128 if( x264_macroblock_thread_allocate( h->thread[i], 0 ) < 0 )
1131 if( x264_ratecontrol_new( h ) < 0 )
1134 if( h->param.i_nal_hrd )
1136 x264_log( h, X264_LOG_DEBUG, "HRD bitrate: %i bits/sec\n", h->sps->vui.hrd.i_bit_rate_unscaled );
1137 x264_log( h, X264_LOG_DEBUG, "CPB size: %i bits\n", h->sps->vui.hrd.i_cpb_size_unscaled );
1140 if( h->param.psz_dump_yuv )
1142 /* create or truncate the reconstructed video file */
1143 FILE *f = fopen( h->param.psz_dump_yuv, "w" );
1146 x264_log( h, X264_LOG_ERROR, "dump_yuv: can't write to %s\n", h->param.psz_dump_yuv );
1149 else if( !x264_is_regular_file( f ) )
1151 x264_log( h, X264_LOG_ERROR, "dump_yuv: incompatible with non-regular file %s\n", h->param.psz_dump_yuv );
1157 const char *profile = h->sps->i_profile_idc == PROFILE_BASELINE ? "Baseline" :
1158 h->sps->i_profile_idc == PROFILE_MAIN ? "Main" :
1159 h->sps->i_profile_idc == PROFILE_HIGH ? "High" :
1160 h->sps->i_profile_idc == PROFILE_HIGH10 ? "High 10" :
1161 "High 4:4:4 Predictive";
1163 if( h->sps->i_profile_idc < PROFILE_HIGH10 )
1165 x264_log( h, X264_LOG_INFO, "profile %s, level %d.%d\n",
1166 profile, h->sps->i_level_idc/10, h->sps->i_level_idc%10 );
1170 x264_log( h, X264_LOG_INFO, "profile %s, level %d.%d, bit depth %d\n",
1171 profile, h->sps->i_level_idc/10, h->sps->i_level_idc%10, BIT_DEPTH );
1180 /****************************************************************************
1181 * x264_encoder_reconfig:
1182 ****************************************************************************/
1183 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
1185 int rc_reconfig = 0;
1186 h = h->thread[h->thread[0]->i_thread_phase];
1187 x264_set_aspect_ratio( h, param, 0 );
1188 #define COPY(var) h->param.var = param->var
1189 COPY( i_frame_reference ); // but never uses more refs than initially specified
1190 COPY( i_bframe_bias );
1191 if( h->param.i_scenecut_threshold )
1192 COPY( i_scenecut_threshold ); // can't turn it on or off, only vary the threshold
1193 COPY( b_deblocking_filter );
1194 COPY( i_deblocking_filter_alphac0 );
1195 COPY( i_deblocking_filter_beta );
1196 COPY( analyse.inter );
1197 COPY( analyse.intra );
1198 COPY( analyse.i_direct_mv_pred );
1199 /* Scratch buffer prevents me_range from being increased for esa/tesa */
1200 if( h->param.analyse.i_me_method < X264_ME_ESA || param->analyse.i_me_range < h->param.analyse.i_me_range )
1201 COPY( analyse.i_me_range );
1202 COPY( analyse.i_noise_reduction );
1203 /* We can't switch out of subme=0 during encoding. */
1204 if( h->param.analyse.i_subpel_refine )
1205 COPY( analyse.i_subpel_refine );
1206 COPY( analyse.i_trellis );
1207 COPY( analyse.b_chroma_me );
1208 COPY( analyse.b_dct_decimate );
1209 COPY( analyse.b_fast_pskip );
1210 COPY( analyse.b_mixed_references );
1211 COPY( analyse.f_psy_rd );
1212 COPY( analyse.f_psy_trellis );
1213 // can only twiddle these if they were enabled to begin with:
1214 if( h->param.analyse.i_me_method >= X264_ME_ESA || param->analyse.i_me_method < X264_ME_ESA )
1215 COPY( analyse.i_me_method );
1216 if( h->param.analyse.i_me_method >= X264_ME_ESA && !h->frames.b_have_sub8x8_esa )
1217 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
1218 if( h->pps->b_transform_8x8_mode )
1219 COPY( analyse.b_transform_8x8 );
1220 if( h->frames.i_max_ref1 > 1 )
1221 COPY( i_bframe_pyramid );
1222 COPY( i_slice_max_size );
1223 COPY( i_slice_max_mbs );
1224 COPY( i_slice_count );
1226 /* VBV can't be turned on if it wasn't on to begin with */
1227 if( h->param.rc.i_vbv_max_bitrate > 0 && h->param.rc.i_vbv_buffer_size > 0 &&
1228 param->rc.i_vbv_max_bitrate > 0 && param->rc.i_vbv_buffer_size > 0 )
1230 COPY( rc.i_vbv_max_bitrate );
1231 COPY( rc.i_vbv_buffer_size );
1232 COPY( rc.i_bitrate );
1235 if( h->param.rc.f_rf_constant != param->rc.f_rf_constant )
1237 COPY( rc.f_rf_constant );
1240 if( h->param.rc.f_rf_constant_max != param->rc.f_rf_constant_max )
1242 COPY( rc.f_rf_constant_max );
1250 int ret = x264_validate_parameters( h );
1252 /* Supported reconfiguration options (1-pass only):
1256 * bitrate (CBR only) */
1257 if( !ret && rc_reconfig )
1258 x264_ratecontrol_init_reconfigurable( h, 0 );
1263 /****************************************************************************
1264 * x264_encoder_parameters:
1265 ****************************************************************************/
1266 void x264_encoder_parameters( x264_t *h, x264_param_t *param )
1268 memcpy( param, &h->thread[h->i_thread_phase]->param, sizeof(x264_param_t) );
1271 /* internal usage */
1272 static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
1274 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1276 nal->i_ref_idc = i_ref_idc;
1277 nal->i_type = i_type;
1278 nal->b_long_startcode = 1;
1281 nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1284 /* if number of allocated nals is not enough, re-allocate a larger one. */
1285 static int x264_nal_check_buffer( x264_t *h )
1287 if( h->out.i_nal >= h->out.i_nals_allocated )
1289 x264_nal_t *new_out = x264_malloc( sizeof(x264_nal_t) * (h->out.i_nals_allocated*2) );
1292 memcpy( new_out, h->out.nal, sizeof(x264_nal_t) * (h->out.i_nals_allocated) );
1293 x264_free( h->out.nal );
1294 h->out.nal = new_out;
1295 h->out.i_nals_allocated *= 2;
1300 static int x264_nal_end( x264_t *h )
1302 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1303 nal->i_payload = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8] - nal->p_payload;
1304 if( h->param.nalu_process )
1305 h->param.nalu_process( h, nal );
1308 return x264_nal_check_buffer( h );
1311 static int x264_encoder_encapsulate_nals( x264_t *h, int start )
1313 int nal_size = 0, previous_nal_size = 0;
1315 if( h->param.nalu_process )
1317 for( int i = start; i < h->out.i_nal; i++ )
1318 nal_size += h->out.nal[i].i_payload;
1322 for( int i = 0; i < start; i++ )
1323 previous_nal_size += h->out.nal[i].i_payload;
1325 for( int i = start; i < h->out.i_nal; i++ )
1326 nal_size += h->out.nal[i].i_payload;
1328 /* Worst-case NAL unit escaping: reallocate the buffer if it's too small. */
1329 if( h->nal_buffer_size < nal_size * 3/2 + h->out.i_nal * 4 )
1331 uint8_t *buf = x264_malloc( nal_size * 2 + h->out.i_nal * 4 );
1334 if( previous_nal_size )
1335 memcpy( buf, h->nal_buffer, previous_nal_size );
1336 x264_free( h->nal_buffer );
1337 h->nal_buffer = buf;
1340 uint8_t *nal_buffer = h->nal_buffer + previous_nal_size;
1342 for( int i = start; i < h->out.i_nal; i++ )
1344 h->out.nal[i].b_long_startcode = !i || h->out.nal[i].i_type == NAL_SPS || h->out.nal[i].i_type == NAL_PPS;
1345 x264_nal_encode( h, nal_buffer, &h->out.nal[i] );
1346 nal_buffer += h->out.nal[i].i_payload;
1351 return nal_buffer - (h->nal_buffer + previous_nal_size);
1354 /****************************************************************************
1355 * x264_encoder_headers:
1356 ****************************************************************************/
1357 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
1360 /* init bitstream context */
1362 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
1364 /* Write SEI, SPS and PPS. */
1366 /* generate sequence parameters */
1367 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
1368 x264_sps_write( &h->out.bs, h->sps );
1369 if( x264_nal_end( h ) )
1372 /* generate picture parameters */
1373 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
1374 x264_pps_write( &h->out.bs, h->pps );
1375 if( x264_nal_end( h ) )
1378 /* identify ourselves */
1379 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
1380 if( x264_sei_version_write( h, &h->out.bs ) )
1382 if( x264_nal_end( h ) )
1385 frame_size = x264_encoder_encapsulate_nals( h, 0 );
1388 *pi_nal = h->out.i_nal;
1389 *pp_nal = &h->out.nal[0];
1395 /* Check to see whether we have chosen a reference list ordering different
1396 * from the standard's default. */
1397 static inline void x264_reference_check_reorder( x264_t *h )
1399 /* The reorder check doesn't check for missing frames, so just
1400 * force a reorder if one of the reference list is corrupt. */
1401 for( int i = 0; h->frames.reference[i]; i++ )
1402 if( h->frames.reference[i]->b_corrupt )
1404 h->b_ref_reorder[0] = 1;
1407 for( int i = 0; i < h->i_ref0 - 1; i++ )
1408 /* P and B-frames use different default orders. */
1409 if( h->sh.i_type == SLICE_TYPE_P ? h->fref0[i]->i_frame_num < h->fref0[i+1]->i_frame_num
1410 : h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
1412 h->b_ref_reorder[0] = 1;
1417 /* return -1 on failure, else return the index of the new reference frame */
1418 int x264_weighted_reference_duplicate( x264_t *h, int i_ref, const x264_weight_t *w )
1422 x264_frame_t *newframe;
1423 if( i <= 1 ) /* empty list, definitely can't duplicate frame */
1426 newframe = x264_frame_pop_blank_unused( h );
1428 //FIXME: probably don't need to copy everything
1429 *newframe = *h->fref0[i_ref];
1430 newframe->i_reference_count = 1;
1431 newframe->orig = h->fref0[i_ref];
1432 newframe->b_duplicate = 1;
1433 memcpy( h->fenc->weight[j], w, sizeof(h->fenc->weight[i]) );
1435 /* shift the frames to make space for the dupe. */
1436 h->b_ref_reorder[0] = 1;
1437 if( h->i_ref0 < 16 )
1439 h->fref0[15] = NULL;
1440 x264_frame_unshift( &h->fref0[j], newframe );
1445 static void x264_weighted_pred_init( x264_t *h )
1447 /* for now no analysis and set all weights to nothing */
1448 for( int i_ref = 0; i_ref < h->i_ref0; i_ref++ )
1449 h->fenc->weighted[i_ref] = h->fref0[i_ref]->filtered[0];
1451 // FIXME: This only supports weighting of one reference frame
1452 // and duplicates of that frame.
1453 h->fenc->i_lines_weighted = 0;
1455 for( int i_ref = 0; i_ref < (h->i_ref0 << h->sh.b_mbaff); i_ref++ )
1456 for( int i = 0; i < 3; i++ )
1457 h->sh.weight[i_ref][i].weightfn = NULL;
1460 if( h->sh.i_type != SLICE_TYPE_P || h->param.analyse.i_weighted_pred <= 0 )
1463 int i_padv = PADV << h->param.b_interlaced;
1466 int buffer_next = 0;
1467 //FIXME: when chroma support is added, move this into loop
1468 h->sh.weight[0][1].weightfn = h->sh.weight[0][2].weightfn = NULL;
1469 h->sh.weight[0][1].i_denom = h->sh.weight[0][2].i_denom = 0;
1470 for( int j = 0; j < h->i_ref0; j++ )
1472 if( h->fenc->weight[j][0].weightfn )
1474 h->sh.weight[j][0] = h->fenc->weight[j][0];
1475 // if weight is useless, don't write it to stream
1476 if( h->sh.weight[j][0].i_scale == 1<<h->sh.weight[j][0].i_denom && h->sh.weight[j][0].i_offset == 0 )
1477 h->sh.weight[j][0].weightfn = NULL;
1483 h->sh.weight[0][0].i_denom = denom = h->sh.weight[j][0].i_denom;
1484 assert( x264_clip3( denom, 0, 7 ) == denom );
1486 assert( h->sh.weight[j][0].i_denom == denom );
1487 assert( x264_clip3( h->sh.weight[j][0].i_scale, 0, 127 ) == h->sh.weight[j][0].i_scale );
1488 assert( x264_clip3( h->sh.weight[j][0].i_offset, -128, 127 ) == h->sh.weight[j][0].i_offset );
1489 h->fenc->weighted[j] = h->mb.p_weight_buf[buffer_next++] +
1490 h->fenc->i_stride[0] * i_padv + PADH;
1494 //scale full resolution frame
1495 if( h->sh.weight[j][0].weightfn && h->param.i_threads == 1 )
1497 pixel *src = h->fref0[j]->filtered[0] - h->fref0[j]->i_stride[0]*i_padv - PADH;
1498 pixel *dst = h->fenc->weighted[j] - h->fenc->i_stride[0]*i_padv - PADH;
1499 int stride = h->fenc->i_stride[0];
1500 int width = h->fenc->i_width[0] + PADH*2;
1501 int height = h->fenc->i_lines[0] + i_padv*2;
1502 x264_weight_scale_plane( h, dst, stride, src, stride, width, height, &h->sh.weight[j][0] );
1503 h->fenc->i_lines_weighted = height;
1507 h->sh.weight[0][0].i_denom = 0;
1510 static inline void x264_reference_build_list( x264_t *h, int i_poc )
1514 /* build ref list 0/1 */
1515 h->mb.pic.i_fref[0] = h->i_ref0 = 0;
1516 h->mb.pic.i_fref[1] = h->i_ref1 = 0;
1517 if( h->sh.i_type == SLICE_TYPE_I )
1520 for( int i = 0; h->frames.reference[i]; i++ )
1522 if( h->frames.reference[i]->b_corrupt )
1524 if( h->frames.reference[i]->i_poc < i_poc )
1525 h->fref0[h->i_ref0++] = h->frames.reference[i];
1526 else if( h->frames.reference[i]->i_poc > i_poc )
1527 h->fref1[h->i_ref1++] = h->frames.reference[i];
1530 /* Order ref0 from higher to lower poc */
1534 for( int i = 0; i < h->i_ref0 - 1; i++ )
1536 if( h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
1538 XCHG( x264_frame_t*, h->fref0[i], h->fref0[i+1] );
1545 if( h->sh.i_mmco_remove_from_end )
1546 for( int i = h->i_ref0-1; i >= h->i_ref0 - h->sh.i_mmco_remove_from_end; i-- )
1548 int diff = h->i_frame_num - h->fref0[i]->i_frame_num;
1549 h->sh.mmco[h->sh.i_mmco_command_count].i_poc = h->fref0[i]->i_poc;
1550 h->sh.mmco[h->sh.i_mmco_command_count++].i_difference_of_pic_nums = diff;
1553 /* Order ref1 from lower to higher poc (bubble sort) for B-frame */
1557 for( int i = 0; i < h->i_ref1 - 1; i++ )
1559 if( h->fref1[i]->i_poc > h->fref1[i+1]->i_poc )
1561 XCHG( x264_frame_t*, h->fref1[i], h->fref1[i+1] );
1568 x264_reference_check_reorder( h );
1570 h->i_ref1 = X264_MIN( h->i_ref1, h->frames.i_max_ref1 );
1571 h->i_ref0 = X264_MIN( h->i_ref0, h->frames.i_max_ref0 );
1572 h->i_ref0 = X264_MIN( h->i_ref0, h->param.i_frame_reference ); // if reconfig() has lowered the limit
1574 /* add duplicates */
1575 if( h->fenc->i_type == X264_TYPE_P )
1578 if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART )
1581 w[1].weightfn = w[2].weightfn = NULL;
1582 if( h->param.rc.b_stat_read )
1583 x264_ratecontrol_set_weights( h, h->fenc );
1585 if( !h->fenc->weight[0][0].weightfn )
1587 h->fenc->weight[0][0].i_denom = 0;
1588 SET_WEIGHT( w[0], 1, 1, 0, -1 );
1589 idx = x264_weighted_reference_duplicate( h, 0, w );
1593 if( h->fenc->weight[0][0].i_scale == 1<<h->fenc->weight[0][0].i_denom )
1595 SET_WEIGHT( h->fenc->weight[0][0], 1, 1, 0, h->fenc->weight[0][0].i_offset );
1597 x264_weighted_reference_duplicate( h, 0, weight_none );
1598 if( h->fenc->weight[0][0].i_offset > -128 )
1600 w[0] = h->fenc->weight[0][0];
1602 h->mc.weight_cache( h, &w[0] );
1603 idx = x264_weighted_reference_duplicate( h, 0, w );
1607 else if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_BLIND )
1609 //weighted offset=-1
1611 SET_WEIGHT( w[0], 1, 1, 0, -1 );
1612 h->fenc->weight[0][0].i_denom = 0;
1613 w[1].weightfn = w[2].weightfn = NULL;
1614 idx = x264_weighted_reference_duplicate( h, 0, w );
1616 h->mb.ref_blind_dupe = idx;
1619 assert( h->i_ref0 + h->i_ref1 <= 16 );
1620 h->mb.pic.i_fref[0] = h->i_ref0;
1621 h->mb.pic.i_fref[1] = h->i_ref1;
1624 static void x264_fdec_filter_row( x264_t *h, int mb_y, int b_inloop )
1626 /* mb_y is the mb to be encoded next, not the mb to be filtered here */
1627 int b_hpel = h->fdec->b_kept_as_ref;
1628 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
1629 int b_end = mb_y == h->i_threadslice_end;
1630 int b_measure_quality = 1;
1631 int min_y = mb_y - (1 << h->sh.b_mbaff);
1632 int b_start = min_y == h->i_threadslice_start;
1633 int max_y = b_end ? h->i_threadslice_end : mb_y;
1634 b_deblock &= b_hpel || h->param.psz_dump_yuv;
1635 if( h->param.b_sliced_threads && b_start && min_y && !b_inloop )
1637 b_deblock = 0; /* We already deblocked on the inloop pass. */
1638 b_measure_quality = 0; /* We already measured quality on the inloop pass. */
1640 if( mb_y & h->sh.b_mbaff )
1642 if( min_y < h->i_threadslice_start )
1646 for( int y = min_y; y < max_y; y += (1 << h->sh.b_mbaff) )
1647 x264_frame_deblock_row( h, y );
1651 int end = mb_y == h->mb.i_mb_height;
1652 x264_frame_expand_border( h, h->fdec, min_y, end );
1653 if( h->param.analyse.i_subpel_refine )
1655 x264_frame_filter( h, h->fdec, min_y, end );
1656 x264_frame_expand_border_filtered( h, h->fdec, min_y, end );
1660 if( h->i_thread_frames > 1 && h->fdec->b_kept_as_ref )
1661 x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << h->sh.b_mbaff)) );
1663 min_y = min_y*16 - 8 * !b_start;
1664 max_y = b_end ? X264_MIN( h->i_threadslice_end*16 , h->param.i_height ) : mb_y*16 - 8;
1666 if( b_measure_quality )
1668 if( h->param.analyse.b_psnr )
1670 uint64_t ssd_y = x264_pixel_ssd_wxh( &h->pixf,
1671 h->fdec->plane[0] + min_y * h->fdec->i_stride[0], h->fdec->i_stride[0],
1672 h->fenc->plane[0] + min_y * h->fenc->i_stride[0], h->fenc->i_stride[0],
1673 h->param.i_width, max_y-min_y );
1674 uint64_t ssd_uv = x264_pixel_ssd_nv12( &h->pixf,
1675 h->fdec->plane[1] + (min_y>>1) * h->fdec->i_stride[1], h->fdec->i_stride[1],
1676 h->fenc->plane[1] + (min_y>>1) * h->fenc->i_stride[1], h->fenc->i_stride[1],
1677 h->param.i_width>>1, (max_y-min_y)>>1 );
1678 h->stat.frame.i_ssd[0] += ssd_y;
1679 h->stat.frame.i_ssd[1] += (uint32_t)ssd_uv;
1680 h->stat.frame.i_ssd[2] += ssd_uv>>32;
1683 if( h->param.analyse.b_ssim )
1686 /* offset by 2 pixels to avoid alignment of ssim blocks with dct blocks,
1687 * and overlap by 4 */
1688 min_y += b_start ? 2 : -6;
1689 h->stat.frame.f_ssim +=
1690 x264_pixel_ssim_wxh( &h->pixf,
1691 h->fdec->plane[0] + 2+min_y*h->fdec->i_stride[0], h->fdec->i_stride[0],
1692 h->fenc->plane[0] + 2+min_y*h->fenc->i_stride[0], h->fenc->i_stride[0],
1693 h->param.i_width-2, max_y-min_y, h->scratch_buffer );
1698 static inline int x264_reference_update( x264_t *h )
1700 if( !h->fdec->b_kept_as_ref )
1702 if( h->i_thread_frames > 1 )
1704 x264_frame_push_unused( h, h->fdec );
1705 h->fdec = x264_frame_pop_unused( h, 1 );
1712 /* apply mmco from previous frame. */
1713 for( int i = 0; i < h->sh.i_mmco_command_count; i++ )
1714 for( int j = 0; h->frames.reference[j]; j++ )
1715 if( h->frames.reference[j]->i_poc == h->sh.mmco[i].i_poc )
1716 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[j] ) );
1718 /* move frame in the buffer */
1719 x264_frame_push( h->frames.reference, h->fdec );
1720 if( h->frames.reference[h->sps->i_num_ref_frames] )
1721 x264_frame_push_unused( h, x264_frame_shift( h->frames.reference ) );
1722 h->fdec = x264_frame_pop_unused( h, 1 );
1728 static inline void x264_reference_reset( x264_t *h )
1730 while( h->frames.reference[0] )
1731 x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
1736 static inline void x264_reference_hierarchy_reset( x264_t *h )
1739 int b_hasdelayframe = 0;
1741 /* look for delay frames -- chain must only contain frames that are disposable */
1742 for( int i = 0; h->frames.current[i] && IS_DISPOSABLE( h->frames.current[i]->i_type ); i++ )
1743 b_hasdelayframe |= h->frames.current[i]->i_coded
1744 != h->frames.current[i]->i_frame + h->sps->vui.i_num_reorder_frames;
1746 /* This function must handle b-pyramid and clear frames for open-gop */
1747 if( h->param.i_bframe_pyramid != X264_B_PYRAMID_STRICT && !b_hasdelayframe && h->frames.i_poc_last_open_gop == -1 )
1750 /* Remove last BREF. There will never be old BREFs in the
1751 * dpb during a BREF decode when pyramid == STRICT */
1752 for( ref = 0; h->frames.reference[ref]; ref++ )
1754 if( ( h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT
1755 && h->frames.reference[ref]->i_type == X264_TYPE_BREF )
1756 || ( h->frames.reference[ref]->i_poc < h->frames.i_poc_last_open_gop
1757 && h->sh.i_type != SLICE_TYPE_B ) )
1759 int diff = h->i_frame_num - h->frames.reference[ref]->i_frame_num;
1760 h->sh.mmco[h->sh.i_mmco_command_count].i_difference_of_pic_nums = diff;
1761 h->sh.mmco[h->sh.i_mmco_command_count++].i_poc = h->frames.reference[ref]->i_poc;
1762 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[ref] ) );
1763 h->b_ref_reorder[0] = 1;
1768 /* Prepare room in the dpb for the delayed display time of the later b-frame's */
1769 if( h->param.i_bframe_pyramid )
1770 h->sh.i_mmco_remove_from_end = X264_MAX( ref + 2 - h->frames.i_max_dpb, 0 );
1773 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
1775 /* ------------------------ Create slice header ----------------------- */
1776 if( i_nal_type == NAL_SLICE_IDR )
1778 x264_slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp );
1781 h->i_idr_pic_id = ( h->i_idr_pic_id + 1 ) % 65536;
1785 x264_slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp );
1787 h->sh.i_num_ref_idx_l0_active = h->i_ref0 <= 0 ? 1 : h->i_ref0;
1788 h->sh.i_num_ref_idx_l1_active = h->i_ref1 <= 0 ? 1 : h->i_ref1;
1789 if( h->sh.i_num_ref_idx_l0_active != h->pps->i_num_ref_idx_l0_default_active ||
1790 (h->sh.i_type == SLICE_TYPE_B && h->sh.i_num_ref_idx_l1_active != h->pps->i_num_ref_idx_l1_default_active) )
1792 h->sh.b_num_ref_idx_override = 1;
1796 h->fdec->i_frame_num = h->sh.i_frame_num;
1798 if( h->sps->i_poc_type == 0 )
1800 h->sh.i_poc = h->fdec->i_poc;
1801 if( h->param.b_interlaced )
1803 h->sh.i_delta_poc_bottom = h->param.b_tff ? 1 : -1;
1804 if( h->sh.i_delta_poc_bottom == -1 )
1805 h->sh.i_poc = h->fdec->i_poc + 1;
1808 h->sh.i_delta_poc_bottom = 0;
1810 else if( h->sps->i_poc_type == 1 )
1812 /* FIXME TODO FIXME */
1816 /* Nothing to do ? */
1819 x264_macroblock_slice_init( h );
1822 static int x264_slice_write( x264_t *h )
1825 int mb_xy, i_mb_x, i_mb_y;
1826 int i_skip_bak = 0; /* Shut up GCC. */
1828 x264_cabac_t cabac_bak;
1829 uint8_t cabac_prevbyte_bak = 0; /* Shut up GCC. */
1830 int mv_bits_bak = 0;
1831 int tex_bits_bak = 0;
1832 /* Assume no more than 3 bytes of NALU escaping.
1833 * NALUs other than the first use a 3-byte startcode. */
1834 int overhead_guess = (NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal)) + 3;
1835 int slice_max_size = h->param.i_slice_max_size > 0 ? (h->param.i_slice_max_size-overhead_guess)*8 : INT_MAX;
1836 int starting_bits = bs_pos(&h->out.bs);
1837 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
1838 int b_hpel = h->fdec->b_kept_as_ref;
1839 b_deblock &= b_hpel || h->param.psz_dump_yuv;
1840 bs_realign( &h->out.bs );
1843 x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
1844 h->out.nal[h->out.i_nal].i_first_mb = h->sh.i_first_mb;
1847 x264_macroblock_thread_init( h );
1849 /* If this isn't the first slice in the threadslice, set the slice QP
1850 * equal to the last QP in the previous slice for more accurate
1851 * CABAC initialization. */
1852 if( h->sh.i_first_mb != h->i_threadslice_start * h->mb.i_mb_width )
1854 h->sh.i_qp = h->mb.i_last_qp;
1855 h->sh.i_qp_delta = h->sh.i_qp - h->pps->i_pic_init_qp;
1858 x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
1859 if( h->param.b_cabac )
1861 /* alignment needed */
1862 bs_align_1( &h->out.bs );
1865 x264_cabac_context_init( &h->cabac, h->sh.i_type, x264_clip3( h->sh.i_qp-QP_BD_OFFSET, 0, 51 ), h->sh.i_cabac_init_idc );
1866 x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
1868 h->mb.i_last_qp = h->sh.i_qp;
1869 h->mb.i_last_dqp = 0;
1871 i_mb_y = h->sh.i_first_mb / h->mb.i_mb_width;
1872 i_mb_x = h->sh.i_first_mb % h->mb.i_mb_width;
1875 while( (mb_xy = i_mb_x + i_mb_y * h->mb.i_mb_width) <= h->sh.i_last_mb )
1877 int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
1879 if( x264_bitstream_check_buffer( h ) )
1882 if( h->param.i_slice_max_size > 0 )
1884 mv_bits_bak = h->stat.frame.i_mv_bits;
1885 tex_bits_bak = h->stat.frame.i_tex_bits;
1886 /* We don't need the contexts because flushing the CABAC encoder has no context
1887 * dependency and macroblocks are only re-encoded in the case where a slice is
1888 * ended (and thus the content of all contexts are thrown away). */
1889 if( h->param.b_cabac )
1891 memcpy( &cabac_bak, &h->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
1892 /* x264's CABAC writer modifies the previous byte during carry, so it has to be
1894 cabac_prevbyte_bak = h->cabac.p[-1];
1899 i_skip_bak = i_skip;
1903 if( i_mb_x == 0 && !h->mb.b_reencode_mb )
1904 x264_fdec_filter_row( h, i_mb_y, 1 );
1907 x264_macroblock_cache_load( h, i_mb_x, i_mb_y );
1909 x264_macroblock_analyse( h );
1911 /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
1912 x264_macroblock_encode( h );
1914 if( h->param.b_cabac )
1916 if( mb_xy > h->sh.i_first_mb && !(h->sh.b_mbaff && (i_mb_y&1)) )
1917 x264_cabac_encode_terminal( &h->cabac );
1919 if( IS_SKIP( h->mb.i_type ) )
1920 x264_cabac_mb_skip( h, 1 );
1923 if( h->sh.i_type != SLICE_TYPE_I )
1924 x264_cabac_mb_skip( h, 0 );
1925 x264_macroblock_write_cabac( h, &h->cabac );
1930 if( IS_SKIP( h->mb.i_type ) )
1934 if( h->sh.i_type != SLICE_TYPE_I )
1936 bs_write_ue( &h->out.bs, i_skip ); /* skip run */
1939 x264_macroblock_write_cavlc( h );
1943 int total_bits = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
1944 int mb_size = total_bits - mb_spos;
1946 /* We'll just re-encode this last macroblock if we go over the max slice size. */
1947 if( total_bits - starting_bits > slice_max_size && !h->mb.b_reencode_mb )
1949 if( mb_xy != h->sh.i_first_mb )
1951 h->stat.frame.i_mv_bits = mv_bits_bak;
1952 h->stat.frame.i_tex_bits = tex_bits_bak;
1953 if( h->param.b_cabac )
1955 memcpy( &h->cabac, &cabac_bak, offsetof(x264_cabac_t, f8_bits_encoded) );
1956 h->cabac.p[-1] = cabac_prevbyte_bak;
1961 i_skip = i_skip_bak;
1963 h->mb.b_reencode_mb = 1;
1964 h->sh.i_last_mb = mb_xy-1;
1969 h->sh.i_last_mb = mb_xy;
1970 h->mb.b_reencode_mb = 0;
1974 h->mb.b_reencode_mb = 0;
1977 if( h->param.b_visualize )
1978 x264_visualize_mb( h );
1982 x264_macroblock_cache_save( h );
1984 /* accumulate mb stats */
1985 h->stat.frame.i_mb_count[h->mb.i_type]++;
1987 int b_intra = IS_INTRA( h->mb.i_type );
1988 if( h->param.i_log_level >= X264_LOG_INFO || h->param.rc.b_stat_write )
1990 if( !b_intra && !IS_SKIP( h->mb.i_type ) && !IS_DIRECT( h->mb.i_type ) )
1992 if( h->mb.i_partition != D_8x8 )
1993 h->stat.frame.i_mb_partition[h->mb.i_partition] += 4;
1995 for( int i = 0; i < 4; i++ )
1996 h->stat.frame.i_mb_partition[h->mb.i_sub_partition[i]] ++;
1997 if( h->param.i_frame_reference > 1 )
1998 for( int i_list = 0; i_list <= (h->sh.i_type == SLICE_TYPE_B); i_list++ )
1999 for( int i = 0; i < 4; i++ )
2001 int i_ref = h->mb.cache.ref[i_list][ x264_scan8[4*i] ];
2003 h->stat.frame.i_mb_count_ref[i_list][i_ref] ++;
2008 if( h->param.i_log_level >= X264_LOG_INFO )
2010 if( h->mb.i_cbp_luma | h->mb.i_cbp_chroma )
2012 int cbpsum = (h->mb.i_cbp_luma&1) + ((h->mb.i_cbp_luma>>1)&1)
2013 + ((h->mb.i_cbp_luma>>2)&1) + (h->mb.i_cbp_luma>>3);
2014 h->stat.frame.i_mb_cbp[!b_intra + 0] += cbpsum;
2015 h->stat.frame.i_mb_cbp[!b_intra + 2] += !!h->mb.i_cbp_chroma;
2016 h->stat.frame.i_mb_cbp[!b_intra + 4] += h->mb.i_cbp_chroma >> 1;
2018 if( h->mb.i_cbp_luma && !b_intra )
2020 h->stat.frame.i_mb_count_8x8dct[0] ++;
2021 h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
2023 if( b_intra && h->mb.i_type != I_PCM )
2025 if( h->mb.i_type == I_16x16 )
2026 h->stat.frame.i_mb_pred_mode[0][h->mb.i_intra16x16_pred_mode]++;
2027 else if( h->mb.i_type == I_8x8 )
2028 for( int i = 0; i < 16; i += 4 )
2029 h->stat.frame.i_mb_pred_mode[1][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
2030 else //if( h->mb.i_type == I_4x4 )
2031 for( int i = 0; i < 16; i++ )
2032 h->stat.frame.i_mb_pred_mode[2][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
2033 h->stat.frame.i_mb_pred_mode[3][x264_mb_pred_mode8x8c_fix[h->mb.i_chroma_pred_mode]]++;
2037 /* calculate deblock strength values (actual deblocking is done per-row along with hpel) */
2040 int mvy_limit = 4 >> h->sh.b_mbaff;
2041 uint8_t (*bs)[4][4] = h->deblock_strength[h->mb.i_mb_y&h->sh.b_mbaff][h->mb.i_mb_x];
2042 x264_macroblock_cache_load_deblock( h );
2043 if( IS_INTRA( h->mb.type[h->mb.i_mb_xy] ) )
2044 memset( bs, 3, 2*4*4*sizeof(uint8_t) );
2046 h->loopf.deblock_strength( h->mb.cache.non_zero_count, h->mb.cache.ref, h->mb.cache.mv,
2047 bs, mvy_limit, h->sh.i_type == SLICE_TYPE_B );
2050 x264_ratecontrol_mb( h, mb_size );
2054 i_mb_x += i_mb_y & 1;
2055 i_mb_y ^= i_mb_x < h->mb.i_mb_width;
2059 if( i_mb_x == h->mb.i_mb_width )
2065 h->out.nal[h->out.i_nal].i_last_mb = h->sh.i_last_mb;
2067 if( h->param.b_cabac )
2069 x264_cabac_encode_flush( h, &h->cabac );
2070 h->out.bs.p = h->cabac.p;
2075 bs_write_ue( &h->out.bs, i_skip ); /* last skip run */
2076 /* rbsp_slice_trailing_bits */
2077 bs_rbsp_trailing( &h->out.bs );
2078 bs_flush( &h->out.bs );
2080 if( x264_nal_end( h ) )
2083 if( h->sh.i_last_mb == (h->i_threadslice_end * h->mb.i_mb_width - 1) )
2085 h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
2086 + (h->out.i_nal*NALU_OVERHEAD * 8)
2087 - h->stat.frame.i_tex_bits
2088 - h->stat.frame.i_mv_bits;
2089 x264_fdec_filter_row( h, h->i_threadslice_end, 1 );
2095 static void x264_thread_sync_context( x264_t *dst, x264_t *src )
2100 // reference counting
2101 for( x264_frame_t **f = src->frames.reference; *f; f++ )
2102 (*f)->i_reference_count++;
2103 for( x264_frame_t **f = dst->frames.reference; *f; f++ )
2104 x264_frame_push_unused( src, *f );
2105 src->fdec->i_reference_count++;
2106 x264_frame_push_unused( src, dst->fdec );
2108 // copy everything except the per-thread pointers and the constants.
2109 memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.type) - offsetof(x264_t, i_frame) );
2110 dst->param = src->param;
2111 dst->stat = src->stat;
2114 static void x264_thread_sync_stat( x264_t *dst, x264_t *src )
2118 memcpy( &dst->stat.i_frame_count, &src->stat.i_frame_count, sizeof(dst->stat) - sizeof(dst->stat.frame) );
2121 static void *x264_slices_write( x264_t *h )
2123 int i_slice_num = 0;
2124 int last_thread_mb = h->sh.i_last_mb;
2127 if( h->param.b_visualize )
2128 if( x264_visualize_init( h ) )
2133 memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
2134 h->mb.b_reencode_mb = 0;
2135 while( h->sh.i_first_mb <= last_thread_mb )
2137 h->sh.i_last_mb = last_thread_mb;
2138 if( h->param.i_slice_max_mbs )
2139 h->sh.i_last_mb = h->sh.i_first_mb + h->param.i_slice_max_mbs - 1;
2140 else if( h->param.i_slice_count && !h->param.b_sliced_threads )
2142 int height = h->mb.i_mb_height >> h->param.b_interlaced;
2143 int width = h->mb.i_mb_width << h->param.b_interlaced;
2145 h->sh.i_last_mb = (height * i_slice_num + h->param.i_slice_count/2) / h->param.i_slice_count * width - 1;
2147 h->sh.i_last_mb = X264_MIN( h->sh.i_last_mb, last_thread_mb );
2148 if( x264_stack_align( x264_slice_write, h ) )
2150 h->sh.i_first_mb = h->sh.i_last_mb + 1;
2154 if( h->param.b_visualize )
2156 x264_visualize_show( h );
2157 x264_visualize_close( h );
2164 static int x264_threaded_slices_write( x264_t *h )
2166 /* set first/last mb and sync contexts */
2167 for( int i = 0; i < h->param.i_threads; i++ )
2169 x264_t *t = h->thread[i];
2172 t->param = h->param;
2173 memcpy( &t->i_frame, &h->i_frame, offsetof(x264_t, rc) - offsetof(x264_t, i_frame) );
2175 int height = h->mb.i_mb_height >> h->param.b_interlaced;
2176 t->i_threadslice_start = ((height * i + h->param.i_slice_count/2) / h->param.i_threads) << h->param.b_interlaced;
2177 t->i_threadslice_end = ((height * (i+1) + h->param.i_slice_count/2) / h->param.i_threads) << h->param.b_interlaced;
2178 t->sh.i_first_mb = t->i_threadslice_start * h->mb.i_mb_width;
2179 t->sh.i_last_mb = t->i_threadslice_end * h->mb.i_mb_width - 1;
2182 x264_stack_align( x264_analyse_weight_frame, h, h->mb.i_mb_height*16 + 16 );
2184 x264_threads_distribute_ratecontrol( h );
2187 for( int i = 0; i < h->param.i_threads; i++ )
2189 x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h->thread[i] );
2190 h->thread[i]->b_thread_active = 1;
2192 for( int i = 0; i < h->param.i_threads; i++ )
2194 h->thread[i]->b_thread_active = 0;
2195 if( (intptr_t)x264_threadpool_wait( h->threadpool, h->thread[i] ) )
2199 /* Go back and fix up the hpel on the borders between slices. */
2200 for( int i = 1; i < h->param.i_threads; i++ )
2202 x264_fdec_filter_row( h->thread[i], h->thread[i]->i_threadslice_start + 1, 0 );
2204 x264_fdec_filter_row( h->thread[i], h->thread[i]->i_threadslice_start + 2, 0 );
2207 x264_threads_merge_ratecontrol( h );
2209 for( int i = 1; i < h->param.i_threads; i++ )
2211 x264_t *t = h->thread[i];
2212 for( int j = 0; j < t->out.i_nal; j++ )
2214 h->out.nal[h->out.i_nal] = t->out.nal[j];
2216 x264_nal_check_buffer( h );
2218 /* All entries in stat.frame are ints except for ssd/ssim. */
2219 for( int j = 0; j < (offsetof(x264_t,stat.frame.i_ssd) - offsetof(x264_t,stat.frame.i_mv_bits)) / sizeof(int); j++ )
2220 ((int*)&h->stat.frame)[j] += ((int*)&t->stat.frame)[j];
2221 for( int j = 0; j < 3; j++ )
2222 h->stat.frame.i_ssd[j] += t->stat.frame.i_ssd[j];
2223 h->stat.frame.f_ssim += t->stat.frame.f_ssim;
2229 void x264_encoder_intra_refresh( x264_t *h )
2231 h = h->thread[h->i_thread_phase];
2232 h->b_queued_intra_refresh = 1;
2235 int x264_encoder_invalidate_reference( x264_t *h, int64_t pts )
2237 if( h->param.i_bframe )
2239 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with B-frames enabled\n" );
2242 if( h->param.b_intra_refresh )
2244 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with intra refresh enabled\n" );
2247 h = h->thread[h->i_thread_phase];
2248 if( pts >= h->i_last_idr_pts )
2250 for( int i = 0; h->frames.reference[i]; i++ )
2251 if( pts <= h->frames.reference[i]->i_pts )
2252 h->frames.reference[i]->b_corrupt = 1;
2253 if( pts <= h->fdec->i_pts )
2254 h->fdec->b_corrupt = 1;
2259 /****************************************************************************
2260 * x264_encoder_encode:
2261 * XXX: i_poc : is the poc of the current given picture
2262 * i_frame : is the number of the frame being coded
2263 * ex: type frame poc
2271 ****************************************************************************/
2272 int x264_encoder_encode( x264_t *h,
2273 x264_nal_t **pp_nal, int *pi_nal,
2274 x264_picture_t *pic_in,
2275 x264_picture_t *pic_out )
2277 x264_t *thread_current, *thread_prev, *thread_oldest;
2278 int i_nal_type, i_nal_ref_idc, i_global_qp;
2279 int overhead = NALU_OVERHEAD;
2281 if( h->i_thread_frames > 1 )
2283 thread_prev = h->thread[ h->i_thread_phase ];
2284 h->i_thread_phase = (h->i_thread_phase + 1) % h->i_thread_frames;
2285 thread_current = h->thread[ h->i_thread_phase ];
2286 thread_oldest = h->thread[ (h->i_thread_phase + 1) % h->i_thread_frames ];
2287 x264_thread_sync_context( thread_current, thread_prev );
2288 x264_thread_sync_ratecontrol( thread_current, thread_prev, thread_oldest );
2297 if( h->i_thread_frames == 1 && h->param.cpu&X264_CPU_SSE_MISALIGN )
2298 x264_cpu_mask_misalign_sse();
2301 // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0
2302 if( x264_reference_update( h ) )
2304 h->fdec->i_lines_completed = -1;
2310 /* ------------------- Setup new frame from picture -------------------- */
2311 if( pic_in != NULL )
2313 /* 1: Copy the picture to a frame and move it to a buffer */
2314 x264_frame_t *fenc = x264_frame_pop_unused( h, 0 );
2318 if( x264_frame_copy_picture( h, fenc, pic_in ) < 0 )
2321 if( h->param.i_width != 16 * h->mb.i_mb_width ||
2322 h->param.i_height != 16 * h->mb.i_mb_height )
2323 x264_frame_expand_border_mod16( h, fenc );
2325 fenc->i_frame = h->frames.i_input++;
2327 if( h->frames.i_bframe_delay && fenc->i_frame == h->frames.i_bframe_delay )
2328 h->frames.i_bframe_delay_time = fenc->i_pts;
2330 if( h->param.b_vfr_input && fenc->i_pts <= h->frames.i_largest_pts )
2331 x264_log( h, X264_LOG_WARNING, "non-strictly-monotonic PTS\n" );
2333 h->frames.i_second_largest_pts = h->frames.i_largest_pts;
2334 h->frames.i_largest_pts = fenc->i_pts;
2336 if( (fenc->i_pic_struct < PIC_STRUCT_AUTO) || (fenc->i_pic_struct > PIC_STRUCT_TRIPLE) )
2337 fenc->i_pic_struct = PIC_STRUCT_AUTO;
2339 if( fenc->i_pic_struct == PIC_STRUCT_AUTO )
2341 int b_interlaced = fenc->param ? fenc->param->b_interlaced : h->param.b_interlaced;
2344 int b_tff = fenc->param ? fenc->param->b_tff : h->param.b_tff;
2345 fenc->i_pic_struct = b_tff ? PIC_STRUCT_TOP_BOTTOM : PIC_STRUCT_BOTTOM_TOP;
2348 fenc->i_pic_struct = PIC_STRUCT_PROGRESSIVE;
2351 if( h->param.rc.b_mb_tree && h->param.rc.b_stat_read )
2353 if( x264_macroblock_tree_read( h, fenc, pic_in->prop.quant_offsets ) )
2357 x264_stack_align( x264_adaptive_quant_frame, h, fenc, pic_in->prop.quant_offsets );
2359 if( pic_in->prop.quant_offsets_free )
2360 pic_in->prop.quant_offsets_free( pic_in->prop.quant_offsets );
2362 if( h->frames.b_have_lowres )
2363 x264_frame_init_lowres( h, fenc );
2365 /* 2: Place the frame into the queue for its slice type decision */
2366 x264_lookahead_put_frame( h, fenc );
2368 if( h->frames.i_input <= h->frames.i_delay + 1 - h->i_thread_frames )
2370 /* Nothing yet to encode, waiting for filling of buffers */
2371 pic_out->i_type = X264_TYPE_AUTO;
2377 /* signal kills for lookahead thread */
2378 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
2379 h->lookahead->b_exit_thread = 1;
2380 x264_pthread_cond_broadcast( &h->lookahead->ifbuf.cv_fill );
2381 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
2385 /* 3: The picture is analyzed in the lookahead */
2386 if( !h->frames.current[0] )
2387 x264_lookahead_get_frames( h );
2389 if( !h->frames.current[0] && x264_lookahead_is_empty( h ) )
2390 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
2392 /* ------------------- Get frame to be encoded ------------------------- */
2393 /* 4: get picture to encode */
2394 h->fenc = x264_frame_shift( h->frames.current );
2395 if( h->i_frame == h->i_thread_frames - 1 )
2396 h->i_reordered_pts_delay = h->fenc->i_reordered_pts;
2397 if( h->fenc->param )
2399 x264_encoder_reconfig( h, h->fenc->param );
2400 if( h->fenc->param->param_free )
2401 h->fenc->param->param_free( h->fenc->param );
2404 if( !IS_X264_TYPE_I( h->fenc->i_type ) )
2406 int valid_refs_left = 0;
2407 for( int i = 0; h->frames.reference[i]; i++ )
2408 if( !h->frames.reference[i]->b_corrupt )
2410 /* No valid reference frames left: force an IDR. */
2411 if( !valid_refs_left )
2413 h->fenc->b_keyframe = 1;
2414 h->fenc->i_type = X264_TYPE_IDR;
2418 if( h->fenc->b_keyframe )
2420 h->frames.i_last_keyframe = h->fenc->i_frame;
2421 if( h->fenc->i_type == X264_TYPE_IDR )
2424 h->frames.i_last_idr = h->fenc->i_frame;
2427 h->sh.i_mmco_command_count =
2428 h->sh.i_mmco_remove_from_end = 0;
2429 h->b_ref_reorder[0] =
2430 h->b_ref_reorder[1] = 0;
2432 h->fenc->i_poc = 2 * ( h->fenc->i_frame - X264_MAX( h->frames.i_last_idr, 0 ) );
2434 /* ------------------- Setup frame context ----------------------------- */
2435 /* 5: Init data dependent of frame type */
2436 if( h->fenc->i_type == X264_TYPE_IDR )
2438 /* reset ref pictures */
2439 i_nal_type = NAL_SLICE_IDR;
2440 i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
2441 h->sh.i_type = SLICE_TYPE_I;
2442 x264_reference_reset( h );
2443 h->frames.i_poc_last_open_gop = -1;
2445 else if( h->fenc->i_type == X264_TYPE_I )
2447 i_nal_type = NAL_SLICE;
2448 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
2449 h->sh.i_type = SLICE_TYPE_I;
2450 x264_reference_hierarchy_reset( h );
2451 if( h->param.i_open_gop )
2452 h->frames.i_poc_last_open_gop = h->fenc->b_keyframe ? h->fenc->i_poc : -1;
2454 else if( h->fenc->i_type == X264_TYPE_P )
2456 i_nal_type = NAL_SLICE;
2457 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
2458 h->sh.i_type = SLICE_TYPE_P;
2459 x264_reference_hierarchy_reset( h );
2460 h->frames.i_poc_last_open_gop = -1;
2462 else if( h->fenc->i_type == X264_TYPE_BREF )
2464 i_nal_type = NAL_SLICE;
2465 i_nal_ref_idc = h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT ? NAL_PRIORITY_LOW : NAL_PRIORITY_HIGH;
2466 h->sh.i_type = SLICE_TYPE_B;
2467 x264_reference_hierarchy_reset( h );
2471 i_nal_type = NAL_SLICE;
2472 i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
2473 h->sh.i_type = SLICE_TYPE_B;
2476 h->fdec->i_type = h->fenc->i_type;
2477 h->fdec->i_frame = h->fenc->i_frame;
2478 h->fenc->b_kept_as_ref =
2479 h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1;
2481 h->fdec->i_pts = h->fenc->i_pts *= h->i_dts_compress_multiplier;
2482 if( h->frames.i_bframe_delay )
2484 int64_t *prev_reordered_pts = thread_current->frames.i_prev_reordered_pts;
2485 if( h->i_frame <= h->frames.i_bframe_delay )
2487 if( h->i_dts_compress_multiplier == 1 )
2488 h->fdec->i_dts = h->fenc->i_reordered_pts - h->frames.i_bframe_delay_time;
2491 /* DTS compression */
2492 if( h->i_frame == 1 )
2493 thread_current->frames.i_init_delta = h->fenc->i_reordered_pts * h->i_dts_compress_multiplier;
2494 h->fdec->i_dts = h->i_frame * thread_current->frames.i_init_delta / h->i_dts_compress_multiplier;
2498 h->fdec->i_dts = prev_reordered_pts[ (h->i_frame - h->frames.i_bframe_delay) % h->frames.i_bframe_delay ];
2499 prev_reordered_pts[ h->i_frame % h->frames.i_bframe_delay ] = h->fenc->i_reordered_pts * h->i_dts_compress_multiplier;
2502 h->fdec->i_dts = h->fenc->i_reordered_pts;
2503 if( h->fenc->i_type == X264_TYPE_IDR )
2504 h->i_last_idr_pts = h->fdec->i_pts;
2506 /* ------------------- Init ----------------------------- */
2507 /* build ref list 0/1 */
2508 x264_reference_build_list( h, h->fdec->i_poc );
2510 /* ---------------------- Write the bitstream -------------------------- */
2511 /* Init bitstream context */
2512 if( h->param.b_sliced_threads )
2514 for( int i = 0; i < h->param.i_threads; i++ )
2516 bs_init( &h->thread[i]->out.bs, h->thread[i]->out.p_bitstream, h->thread[i]->out.i_bitstream );
2517 h->thread[i]->out.i_nal = 0;
2522 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
2526 if( h->param.b_aud )
2530 if( h->sh.i_type == SLICE_TYPE_I )
2532 else if( h->sh.i_type == SLICE_TYPE_P )
2534 else if( h->sh.i_type == SLICE_TYPE_B )
2539 x264_nal_start( h, NAL_AUD, NAL_PRIORITY_DISPOSABLE );
2540 bs_write( &h->out.bs, 3, pic_type );
2541 bs_rbsp_trailing( &h->out.bs );
2542 if( x264_nal_end( h ) )
2544 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
2547 h->i_nal_type = i_nal_type;
2548 h->i_nal_ref_idc = i_nal_ref_idc;
2550 if( h->param.b_intra_refresh )
2552 if( IS_X264_TYPE_I( h->fenc->i_type ) )
2554 h->fdec->i_frames_since_pir = 0;
2555 h->b_queued_intra_refresh = 0;
2556 /* PIR is currently only supported with ref == 1, so any intra frame effectively refreshes
2557 * the whole frame and counts as an intra refresh. */
2558 h->fdec->f_pir_position = h->mb.i_mb_width;
2560 else if( h->fenc->i_type == X264_TYPE_P )
2562 int pocdiff = (h->fdec->i_poc - h->fref0[0]->i_poc)/2;
2563 float increment = X264_MAX( ((float)h->mb.i_mb_width-1) / h->param.i_keyint_max, 1 );
2564 h->fdec->f_pir_position = h->fref0[0]->f_pir_position;
2565 h->fdec->i_frames_since_pir = h->fref0[0]->i_frames_since_pir + pocdiff;
2566 if( h->fdec->i_frames_since_pir >= h->param.i_keyint_max ||
2567 (h->b_queued_intra_refresh && h->fdec->f_pir_position + 0.5 >= h->mb.i_mb_width) )
2569 h->fdec->f_pir_position = 0;
2570 h->fdec->i_frames_since_pir = 0;
2571 h->b_queued_intra_refresh = 0;
2572 h->fenc->b_keyframe = 1;
2574 h->fdec->i_pir_start_col = h->fdec->f_pir_position+0.5;
2575 h->fdec->f_pir_position += increment * pocdiff;
2576 h->fdec->i_pir_end_col = h->fdec->f_pir_position+0.5;
2580 if( h->fenc->b_keyframe )
2582 /* Write SPS and PPS */
2583 if( h->param.b_repeat_headers )
2585 /* generate sequence parameters */
2586 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
2587 x264_sps_write( &h->out.bs, h->sps );
2588 if( x264_nal_end( h ) )
2590 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
2592 /* generate picture parameters */
2593 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
2594 x264_pps_write( &h->out.bs, h->pps );
2595 if( x264_nal_end( h ) )
2597 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
2600 /* buffering period sei is written in x264_encoder_frame_end */
2602 if( h->param.b_repeat_headers && h->fenc->i_frame == 0 )
2604 /* identify ourself */
2605 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
2606 if( x264_sei_version_write( h, &h->out.bs ) )
2608 if( x264_nal_end( h ) )
2610 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
2613 if( h->fenc->i_type != X264_TYPE_IDR )
2615 int time_to_recovery = h->param.i_open_gop ? 0 : X264_MIN( h->mb.i_mb_width - 1, h->param.i_keyint_max ) + h->param.i_bframe;
2616 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
2617 x264_sei_recovery_point_write( h, &h->out.bs, time_to_recovery );
2619 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
2623 /* generate sei pic timing */
2624 if( h->sps->vui.b_pic_struct_present || h->sps->vui.b_nal_hrd_parameters_present )
2626 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
2627 x264_sei_pic_timing_write( h, &h->out.bs );
2628 if( x264_nal_end( h ) )
2630 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
2633 /* Init the rate control */
2634 /* FIXME: Include slice header bit cost. */
2635 x264_ratecontrol_start( h, h->fenc->i_qpplus1, overhead*8 );
2636 i_global_qp = x264_ratecontrol_qp( h );
2638 pic_out->i_qpplus1 =
2639 h->fdec->i_qpplus1 = i_global_qp + 1;
2641 if( h->param.rc.b_stat_read && h->sh.i_type != SLICE_TYPE_I )
2643 x264_reference_build_list_optimal( h );
2644 x264_reference_check_reorder( h );
2648 h->fdec->i_poc_l0ref0 = h->fref0[0]->i_poc;
2650 if( h->sh.i_type == SLICE_TYPE_B )
2651 x264_macroblock_bipred_init( h );
2653 /*------------------------- Weights -------------------------------------*/
2654 x264_weighted_pred_init( h );
2656 /* ------------------------ Create slice header ----------------------- */
2657 x264_slice_init( h, i_nal_type, i_global_qp );
2659 if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
2663 h->i_threadslice_start = 0;
2664 h->i_threadslice_end = h->mb.i_mb_height;
2665 if( h->i_thread_frames > 1 )
2667 x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h );
2668 h->b_thread_active = 1;
2670 else if( h->param.b_sliced_threads )
2672 if( x264_threaded_slices_write( h ) )
2676 if( (intptr_t)x264_slices_write( h ) )
2679 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
2682 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
2683 x264_nal_t **pp_nal, int *pi_nal,
2684 x264_picture_t *pic_out )
2686 char psz_message[80];
2688 if( h->b_thread_active )
2690 h->b_thread_active = 0;
2691 if( (intptr_t)x264_threadpool_wait( h->threadpool, h ) )
2696 pic_out->i_type = X264_TYPE_AUTO;
2701 /* generate sei buffering period and insert it into place */
2702 if( h->fenc->b_keyframe && h->sps->vui.b_nal_hrd_parameters_present )
2704 x264_hrd_fullness( h );
2705 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
2706 x264_sei_buffering_period_write( h, &h->out.bs );
2707 if( x264_nal_end( h ) )
2709 /* buffering period sei must follow AUD, SPS and PPS and precede all other SEIs */
2711 while( h->out.nal[idx].i_type == NAL_AUD ||
2712 h->out.nal[idx].i_type == NAL_SPS ||
2713 h->out.nal[idx].i_type == NAL_PPS )
2715 x264_nal_t nal_tmp = h->out.nal[h->out.i_nal-1];
2716 memmove( &h->out.nal[idx+1], &h->out.nal[idx], (h->out.i_nal-idx-1)*sizeof(x264_nal_t) );
2717 h->out.nal[idx] = nal_tmp;
2720 int frame_size = x264_encoder_encapsulate_nals( h, 0 );
2722 /* Set output picture properties */
2723 pic_out->i_type = h->fenc->i_type;
2725 pic_out->b_keyframe = h->fenc->b_keyframe;
2727 pic_out->i_pts = h->fdec->i_pts;
2728 pic_out->i_dts = h->fdec->i_dts;
2730 if( pic_out->i_pts < pic_out->i_dts )
2731 x264_log( h, X264_LOG_WARNING, "invalid DTS: PTS is less than DTS\n" );
2733 pic_out->img.i_csp = X264_CSP_NV12;
2734 pic_out->img.i_plane = h->fdec->i_plane;
2735 for( int i = 0; i < 2; i++ )
2737 pic_out->img.i_stride[i] = h->fdec->i_stride[i];
2738 // FIXME This breaks the API when pixel != uint8_t.
2739 pic_out->img.plane[i] = h->fdec->plane[i];
2742 x264_frame_push_unused( thread_current, h->fenc );
2744 /* ---------------------- Update encoder state ------------------------- */
2748 if( x264_ratecontrol_end( h, frame_size * 8, &filler ) < 0 )
2751 pic_out->hrd_timing = h->fenc->hrd_timing;
2756 overhead = (FILLER_OVERHEAD - h->param.b_annexb);
2757 if( h->param.i_slice_max_size && filler > h->param.i_slice_max_size )
2759 int next_size = filler - h->param.i_slice_max_size;
2760 int overflow = X264_MAX( overhead - next_size, 0 );
2761 f = h->param.i_slice_max_size - overhead - overflow;
2764 f = X264_MAX( 0, filler - overhead );
2766 x264_nal_start( h, NAL_FILLER, NAL_PRIORITY_DISPOSABLE );
2767 x264_filler_write( h, &h->out.bs, f );
2768 if( x264_nal_end( h ) )
2770 int total_size = x264_encoder_encapsulate_nals( h, h->out.i_nal-1 );
2771 frame_size += total_size;
2772 filler -= total_size;
2775 /* End bitstream, set output */
2776 *pi_nal = h->out.i_nal;
2777 *pp_nal = h->out.nal;
2781 x264_noise_reduction_update( h );
2783 /* ---------------------- Compute/Print statistics --------------------- */
2784 x264_thread_sync_stat( h, h->thread[0] );
2787 h->stat.i_frame_count[h->sh.i_type]++;
2788 h->stat.i_frame_size[h->sh.i_type] += frame_size;
2789 h->stat.f_frame_qp[h->sh.i_type] += h->fdec->f_qp_avg_aq;
2791 for( int i = 0; i < X264_MBTYPE_MAX; i++ )
2792 h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
2793 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
2794 h->stat.i_mb_partition[h->sh.i_type][i] += h->stat.frame.i_mb_partition[i];
2795 for( int i = 0; i < 2; i++ )
2796 h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
2797 for( int i = 0; i < 6; i++ )
2798 h->stat.i_mb_cbp[i] += h->stat.frame.i_mb_cbp[i];
2799 for( int i = 0; i < 4; i++ )
2800 for( int j = 0; j < 13; j++ )
2801 h->stat.i_mb_pred_mode[i][j] += h->stat.frame.i_mb_pred_mode[i][j];
2802 if( h->sh.i_type != SLICE_TYPE_I )
2803 for( int i_list = 0; i_list < 2; i_list++ )
2804 for( int i = 0; i < 32; i++ )
2805 h->stat.i_mb_count_ref[h->sh.i_type][i_list][i] += h->stat.frame.i_mb_count_ref[i_list][i];
2806 if( h->sh.i_type == SLICE_TYPE_P )
2808 h->stat.i_consecutive_bframes[h->fdec->i_frame - h->fref0[0]->i_frame - 1]++;
2809 if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART )
2810 for( int i = 0; i < 3; i++ )
2811 for( int j = 0; j < h->i_ref0; j++ )
2812 if( h->sh.weight[0][i].i_denom != 0 )
2814 h->stat.i_wpred[i]++;
2818 if( h->sh.i_type == SLICE_TYPE_B )
2820 h->stat.i_direct_frames[ h->sh.b_direct_spatial_mv_pred ] ++;
2821 if( h->mb.b_direct_auto_write )
2823 //FIXME somewhat arbitrary time constants
2824 if( h->stat.i_direct_score[0] + h->stat.i_direct_score[1] > h->mb.i_mb_count )
2825 for( int i = 0; i < 2; i++ )
2826 h->stat.i_direct_score[i] = h->stat.i_direct_score[i] * 9/10;
2827 for( int i = 0; i < 2; i++ )
2828 h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i];
2832 psz_message[0] = '\0';
2833 if( h->param.analyse.b_psnr )
2836 h->stat.frame.i_ssd[0],
2837 h->stat.frame.i_ssd[1],
2838 h->stat.frame.i_ssd[2],
2841 h->stat.i_ssd_global[h->sh.i_type] += ssd[0] + ssd[1] + ssd[2];
2842 h->stat.f_psnr_average[h->sh.i_type] += x264_psnr( ssd[0] + ssd[1] + ssd[2], 3 * h->param.i_width * h->param.i_height / 2 );
2843 h->stat.f_psnr_mean_y[h->sh.i_type] += x264_psnr( ssd[0], h->param.i_width * h->param.i_height );
2844 h->stat.f_psnr_mean_u[h->sh.i_type] += x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4 );
2845 h->stat.f_psnr_mean_v[h->sh.i_type] += x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4 );
2847 snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f",
2848 x264_psnr( ssd[0], h->param.i_width * h->param.i_height ),
2849 x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4),
2850 x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4) );
2853 if( h->param.analyse.b_ssim )
2855 double ssim_y = h->stat.frame.f_ssim
2856 / (((h->param.i_width-6)>>2) * ((h->param.i_height-6)>>2));
2857 h->stat.f_ssim_mean_y[h->sh.i_type] += ssim_y;
2858 snprintf( psz_message + strlen(psz_message), 80 - strlen(psz_message),
2859 " SSIM Y:%.5f", ssim_y );
2861 psz_message[79] = '\0';
2863 x264_log( h, X264_LOG_DEBUG,
2864 "frame=%4d QP=%.2f NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
2866 h->fdec->f_qp_avg_aq,
2868 h->sh.i_type == SLICE_TYPE_I ? 'I' : (h->sh.i_type == SLICE_TYPE_P ? 'P' : 'B' ),
2870 h->stat.frame.i_mb_count_i,
2871 h->stat.frame.i_mb_count_p,
2872 h->stat.frame.i_mb_count_skip,
2876 // keep stats all in one place
2877 x264_thread_sync_stat( h->thread[0], h );
2878 // for the use of the next frame
2879 x264_thread_sync_stat( thread_current, h );
2881 #ifdef DEBUG_MB_TYPE
2883 static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
2884 'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
2885 for( int mb_xy = 0; mb_xy < h->mb.i_mb_width * h->mb.i_mb_height; mb_xy++ )
2887 if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 )
2888 fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
2890 fprintf( stderr, "? " );
2892 if( (mb_xy+1) % h->mb.i_mb_width == 0 )
2893 fprintf( stderr, "\n" );
2898 /* Remove duplicates, must be done near the end as breaks h->fref0 array
2899 * by freeing some of its pointers. */
2900 for( int i = 0; i < h->i_ref0; i++ )
2901 if( h->fref0[i] && h->fref0[i]->b_duplicate )
2903 x264_frame_push_blank_unused( h, h->fref0[i] );
2907 if( h->param.psz_dump_yuv )
2908 x264_frame_dump( h );
2913 static void x264_print_intra( int64_t *i_mb_count, double i_count, int b_print_pcm, char *intra )
2915 intra += sprintf( intra, "I16..4%s: %4.1f%% %4.1f%% %4.1f%%",
2916 b_print_pcm ? "..PCM" : "",
2917 i_mb_count[I_16x16]/ i_count,
2918 i_mb_count[I_8x8] / i_count,
2919 i_mb_count[I_4x4] / i_count );
2921 sprintf( intra, " %4.1f%%", i_mb_count[I_PCM] / i_count );
2924 /****************************************************************************
2925 * x264_encoder_close:
2926 ****************************************************************************/
2927 void x264_encoder_close ( x264_t *h )
2929 int64_t i_yuv_size = 3 * h->param.i_width * h->param.i_height / 2;
2930 int64_t i_mb_count_size[2][7] = {{0}};
2932 int b_print_pcm = h->stat.i_mb_count[SLICE_TYPE_I][I_PCM]
2933 || h->stat.i_mb_count[SLICE_TYPE_P][I_PCM]
2934 || h->stat.i_mb_count[SLICE_TYPE_B][I_PCM];
2936 x264_lookahead_delete( h );
2938 if( h->param.i_threads > 1 )
2939 x264_threadpool_delete( h->threadpool );
2940 if( h->i_thread_frames > 1 )
2942 for( int i = 0; i < h->i_thread_frames; i++ )
2943 if( h->thread[i]->b_thread_active )
2945 assert( h->thread[i]->fenc->i_reference_count == 1 );
2946 x264_frame_delete( h->thread[i]->fenc );
2949 x264_t *thread_prev = h->thread[h->i_thread_phase];
2950 x264_thread_sync_ratecontrol( h, thread_prev, h );
2951 x264_thread_sync_ratecontrol( thread_prev, thread_prev, h );
2952 h->i_frame = thread_prev->i_frame + 1 - h->i_thread_frames;
2956 /* Slices used and PSNR */
2957 for( int i = 0; i < 3; i++ )
2959 static const uint8_t slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_P, SLICE_TYPE_B };
2960 int i_slice = slice_order[i];
2962 if( h->stat.i_frame_count[i_slice] > 0 )
2964 const int i_count = h->stat.i_frame_count[i_slice];
2965 if( h->param.analyse.b_psnr )
2967 x264_log( h, X264_LOG_INFO,
2968 "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",
2969 slice_type_to_char[i_slice],
2971 h->stat.f_frame_qp[i_slice] / i_count,
2972 (double)h->stat.i_frame_size[i_slice] / i_count,
2973 h->stat.f_psnr_mean_y[i_slice] / i_count, h->stat.f_psnr_mean_u[i_slice] / i_count, h->stat.f_psnr_mean_v[i_slice] / i_count,
2974 h->stat.f_psnr_average[i_slice] / i_count,
2975 x264_psnr( h->stat.i_ssd_global[i_slice], i_count * i_yuv_size ) );
2979 x264_log( h, X264_LOG_INFO,
2980 "frame %c:%-5d Avg QP:%5.2f size:%6.0f\n",
2981 slice_type_to_char[i_slice],
2983 h->stat.f_frame_qp[i_slice] / i_count,
2984 (double)h->stat.i_frame_size[i_slice] / i_count );
2988 if( h->param.i_bframe && h->stat.i_frame_count[SLICE_TYPE_P] )
2992 // weight by number of frames (including the P-frame) that are in a sequence of N B-frames
2993 for( int i = 0; i <= h->param.i_bframe; i++ )
2994 den += (i+1) * h->stat.i_consecutive_bframes[i];
2995 for( int i = 0; i <= h->param.i_bframe; i++ )
2996 p += sprintf( p, " %4.1f%%", 100. * (i+1) * h->stat.i_consecutive_bframes[i] / den );
2997 x264_log( h, X264_LOG_INFO, "consecutive B-frames:%s\n", buf );
3000 for( int i_type = 0; i_type < 2; i_type++ )
3001 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
3003 if( i == D_DIRECT_8x8 ) continue; /* direct is counted as its own type */
3004 i_mb_count_size[i_type][x264_mb_partition_pixel_table[i]] += h->stat.i_mb_partition[i_type][i];
3008 if( h->stat.i_frame_count[SLICE_TYPE_I] > 0 )
3010 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
3011 double i_count = h->stat.i_frame_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
3012 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
3013 x264_log( h, X264_LOG_INFO, "mb I %s\n", buf );
3015 if( h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
3017 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
3018 double i_count = h->stat.i_frame_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
3019 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_P];
3020 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
3021 x264_log( h, X264_LOG_INFO,
3022 "mb P %s P16..4: %4.1f%% %4.1f%% %4.1f%% %4.1f%% %4.1f%% skip:%4.1f%%\n",
3024 i_mb_size[PIXEL_16x16] / (i_count*4),
3025 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
3026 i_mb_size[PIXEL_8x8] / (i_count*4),
3027 (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
3028 i_mb_size[PIXEL_4x4] / (i_count*4),
3029 i_mb_count[P_SKIP] / i_count );
3031 if( h->stat.i_frame_count[SLICE_TYPE_B] > 0 )
3033 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
3034 double i_count = h->stat.i_frame_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
3035 double i_mb_list_count;
3036 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_B];
3037 int64_t list_count[3] = {0}; /* 0 == L0, 1 == L1, 2 == BI */
3038 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
3039 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
3040 for( int j = 0; j < 2; j++ )
3042 int l0 = x264_mb_type_list_table[i][0][j];
3043 int l1 = x264_mb_type_list_table[i][1][j];
3045 list_count[l1+l0*l1] += h->stat.i_mb_count[SLICE_TYPE_B][i] * 2;
3047 list_count[0] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L0_8x8];
3048 list_count[1] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L1_8x8];
3049 list_count[2] += h->stat.i_mb_partition[SLICE_TYPE_B][D_BI_8x8];
3050 i_mb_count[B_DIRECT] += (h->stat.i_mb_partition[SLICE_TYPE_B][D_DIRECT_8x8]+2)/4;
3051 i_mb_list_count = (list_count[0] + list_count[1] + list_count[2]) / 100.0;
3052 x264_log( h, X264_LOG_INFO,
3053 "mb B %s B16..8: %4.1f%% %4.1f%% %4.1f%% direct:%4.1f%% skip:%4.1f%% L0:%4.1f%% L1:%4.1f%% BI:%4.1f%%\n",
3055 i_mb_size[PIXEL_16x16] / (i_count*4),
3056 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
3057 i_mb_size[PIXEL_8x8] / (i_count*4),
3058 i_mb_count[B_DIRECT] / i_count,
3059 i_mb_count[B_SKIP] / i_count,
3060 list_count[0] / i_mb_list_count,
3061 list_count[1] / i_mb_list_count,
3062 list_count[2] / i_mb_list_count );
3065 x264_ratecontrol_summary( h );
3067 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 )
3069 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
3070 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
3071 int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
3072 int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
3073 + SUM3b( h->stat.i_mb_count, I_16x16 );
3074 int64_t i_all_intra = i_intra + SUM3b( h->stat.i_mb_count, I_PCM);
3075 const int i_count = h->stat.i_frame_count[SLICE_TYPE_I] +
3076 h->stat.i_frame_count[SLICE_TYPE_P] +
3077 h->stat.i_frame_count[SLICE_TYPE_B];
3078 int64_t i_mb_count = i_count * h->mb.i_mb_count;
3079 float fps = (float) h->param.i_fps_num / h->param.i_fps_den;
3081 /* duration algorithm fails with one frame */
3082 if( !h->param.b_vfr_input || i_count == 1 )
3083 f_bitrate = fps * SUM3(h->stat.i_frame_size) / i_count / 125;
3086 float duration = (float)(2 * h->frames.i_largest_pts - h->frames.i_second_largest_pts) * h->param.i_timebase_num / h->param.i_timebase_den;
3087 f_bitrate = SUM3(h->stat.i_frame_size) / duration / 125;
3090 if( h->pps->b_transform_8x8_mode )
3093 if( h->stat.i_mb_count_8x8dct[0] )
3094 sprintf( buf, " inter:%.1f%%", 100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
3095 x264_log( h, X264_LOG_INFO, "8x8 transform intra:%.1f%%%s\n", 100. * i_i8x8 / i_intra, buf );
3098 if( (h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO ||
3099 (h->stat.i_direct_frames[0] && h->stat.i_direct_frames[1]))
3100 && h->stat.i_frame_count[SLICE_TYPE_B] )
3102 x264_log( h, X264_LOG_INFO, "direct mvs spatial:%.1f%% temporal:%.1f%%\n",
3103 h->stat.i_direct_frames[1] * 100. / h->stat.i_frame_count[SLICE_TYPE_B],
3104 h->stat.i_direct_frames[0] * 100. / h->stat.i_frame_count[SLICE_TYPE_B] );
3108 if( i_mb_count != i_all_intra )
3109 sprintf( buf, " inter: %.1f%% %.1f%% %.1f%%",
3110 h->stat.i_mb_cbp[1] * 100.0 / ((i_mb_count - i_all_intra)*4),
3111 h->stat.i_mb_cbp[3] * 100.0 / ((i_mb_count - i_all_intra) ),
3112 h->stat.i_mb_cbp[5] * 100.0 / ((i_mb_count - i_all_intra)) );
3113 x264_log( h, X264_LOG_INFO, "coded y,uvDC,uvAC intra: %.1f%% %.1f%% %.1f%%%s\n",
3114 h->stat.i_mb_cbp[0] * 100.0 / (i_all_intra*4),
3115 h->stat.i_mb_cbp[2] * 100.0 / (i_all_intra ),
3116 h->stat.i_mb_cbp[4] * 100.0 / (i_all_intra ), buf );
3118 int64_t fixed_pred_modes[4][9] = {{0}};
3119 int64_t sum_pred_modes[4] = {0};
3120 for( int i = 0; i <= I_PRED_16x16_DC_128; i++ )
3122 fixed_pred_modes[0][x264_mb_pred_mode16x16_fix[i]] += h->stat.i_mb_pred_mode[0][i];
3123 sum_pred_modes[0] += h->stat.i_mb_pred_mode[0][i];
3125 if( sum_pred_modes[0] )
3126 x264_log( h, X264_LOG_INFO, "i16 v,h,dc,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
3127 fixed_pred_modes[0][0] * 100.0 / sum_pred_modes[0],
3128 fixed_pred_modes[0][1] * 100.0 / sum_pred_modes[0],
3129 fixed_pred_modes[0][2] * 100.0 / sum_pred_modes[0],
3130 fixed_pred_modes[0][3] * 100.0 / sum_pred_modes[0] );
3131 for( int i = 1; i <= 2; i++ )
3133 for( int j = 0; j <= I_PRED_8x8_DC_128; j++ )
3135 fixed_pred_modes[i][x264_mb_pred_mode4x4_fix(j)] += h->stat.i_mb_pred_mode[i][j];
3136 sum_pred_modes[i] += h->stat.i_mb_pred_mode[i][j];
3138 if( sum_pred_modes[i] )
3139 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,
3140 fixed_pred_modes[i][0] * 100.0 / sum_pred_modes[i],
3141 fixed_pred_modes[i][1] * 100.0 / sum_pred_modes[i],
3142 fixed_pred_modes[i][2] * 100.0 / sum_pred_modes[i],
3143 fixed_pred_modes[i][3] * 100.0 / sum_pred_modes[i],
3144 fixed_pred_modes[i][4] * 100.0 / sum_pred_modes[i],
3145 fixed_pred_modes[i][5] * 100.0 / sum_pred_modes[i],
3146 fixed_pred_modes[i][6] * 100.0 / sum_pred_modes[i],
3147 fixed_pred_modes[i][7] * 100.0 / sum_pred_modes[i],
3148 fixed_pred_modes[i][8] * 100.0 / sum_pred_modes[i] );
3150 for( int i = 0; i <= I_PRED_CHROMA_DC_128; i++ )
3152 fixed_pred_modes[3][x264_mb_pred_mode8x8c_fix[i]] += h->stat.i_mb_pred_mode[3][i];
3153 sum_pred_modes[3] += h->stat.i_mb_pred_mode[3][i];
3155 if( sum_pred_modes[3] )
3156 x264_log( h, X264_LOG_INFO, "i8c dc,h,v,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
3157 fixed_pred_modes[3][0] * 100.0 / sum_pred_modes[3],
3158 fixed_pred_modes[3][1] * 100.0 / sum_pred_modes[3],
3159 fixed_pred_modes[3][2] * 100.0 / sum_pred_modes[3],
3160 fixed_pred_modes[3][3] * 100.0 / sum_pred_modes[3] );
3162 if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART && h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
3163 x264_log( h, X264_LOG_INFO, "Weighted P-Frames: Y:%.1f%%\n",
3164 h->stat.i_wpred[0] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P] );
3166 for( int i_list = 0; i_list < 2; i_list++ )
3167 for( int i_slice = 0; i_slice < 2; i_slice++ )
3172 for( int i = 0; i < 32; i++ )
3173 if( h->stat.i_mb_count_ref[i_slice][i_list][i] )
3175 i_den += h->stat.i_mb_count_ref[i_slice][i_list][i];
3180 for( int i = 0; i <= i_max; i++ )
3181 p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i_list][i] / i_den );
3182 x264_log( h, X264_LOG_INFO, "ref %c L%d:%s\n", "PB"[i_slice], i_list, buf );
3185 if( h->param.analyse.b_ssim )
3187 float ssim = SUM3( h->stat.f_ssim_mean_y ) / i_count;
3188 x264_log( h, X264_LOG_INFO, "SSIM Mean Y:%.7f (%6.3fdb)\n", ssim, x264_ssim( ssim ) );
3190 if( h->param.analyse.b_psnr )
3192 x264_log( h, X264_LOG_INFO,
3193 "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
3194 SUM3( h->stat.f_psnr_mean_y ) / i_count,
3195 SUM3( h->stat.f_psnr_mean_u ) / i_count,
3196 SUM3( h->stat.f_psnr_mean_v ) / i_count,
3197 SUM3( h->stat.f_psnr_average ) / i_count,
3198 x264_psnr( SUM3( h->stat.i_ssd_global ), i_count * i_yuv_size ),
3202 x264_log( h, X264_LOG_INFO, "kb/s:%.2f\n", f_bitrate );
3206 x264_ratecontrol_delete( h );
3209 if( h->param.rc.psz_stat_out )
3210 free( h->param.rc.psz_stat_out );
3211 if( h->param.rc.psz_stat_in )
3212 free( h->param.rc.psz_stat_in );
3214 x264_cqm_delete( h );
3215 x264_free( h->nal_buffer );
3216 x264_analyse_free_costs( h );
3218 if( h->i_thread_frames > 1)
3219 h = h->thread[h->i_thread_phase];
3222 x264_frame_delete_list( h->frames.unused[0] );
3223 x264_frame_delete_list( h->frames.unused[1] );
3224 x264_frame_delete_list( h->frames.current );
3225 x264_frame_delete_list( h->frames.blank_unused );
3229 for( int i = h->param.i_threads - 1; i >= 0; i-- )
3231 x264_frame_t **frame;
3233 if( !h->param.b_sliced_threads || i == 0 )
3235 for( frame = h->thread[i]->frames.reference; *frame; frame++ )
3237 assert( (*frame)->i_reference_count > 0 );
3238 (*frame)->i_reference_count--;
3239 if( (*frame)->i_reference_count == 0 )
3240 x264_frame_delete( *frame );
3242 frame = &h->thread[i]->fdec;
3243 assert( (*frame)->i_reference_count > 0 );
3244 (*frame)->i_reference_count--;
3245 if( (*frame)->i_reference_count == 0 )
3246 x264_frame_delete( *frame );
3247 x264_macroblock_cache_free( h->thread[i] );
3249 x264_macroblock_thread_free( h->thread[i], 0 );
3250 x264_free( h->thread[i]->out.p_bitstream );
3251 x264_free( h->thread[i]->out.nal);
3252 x264_free( h->thread[i] );
3256 /****************************************************************************
3257 * x264_encoder_delayed_frames:
3258 ****************************************************************************/
3259 int x264_encoder_delayed_frames( x264_t *h )
3261 int delayed_frames = 0;
3262 if( h->i_thread_frames > 1 )
3264 for( int i = 0; i < h->i_thread_frames; i++ )
3265 delayed_frames += h->thread[i]->b_thread_active;
3266 h = h->thread[h->i_thread_phase];
3268 for( int i = 0; h->frames.current[i]; i++ )
3270 x264_pthread_mutex_lock( &h->lookahead->ofbuf.mutex );
3271 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
3272 x264_pthread_mutex_lock( &h->lookahead->next.mutex );
3273 delayed_frames += h->lookahead->ifbuf.i_size + h->lookahead->next.i_size + h->lookahead->ofbuf.i_size;
3274 x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
3275 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
3276 x264_pthread_mutex_unlock( &h->lookahead->ofbuf.mutex );
3277 return delayed_frames;