1 /*****************************************************************************
2 * encoder.c: top-level encoder functions
3 *****************************************************************************
4 * Copyright (C) 2003-2013 x264 project
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7 * Loren Merritt <lorenm@u.washington.edu>
8 * Fiona Glaser <fiona@x264.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
24 * This program is also available under a commercial proprietary license.
25 * For more information, contact us at licensing@x264.com.
26 *****************************************************************************/
28 #include "common/common.h"
32 #include "ratecontrol.h"
33 #include "macroblock.h"
36 //#define DEBUG_MB_TYPE
38 #define bs_write_ue bs_write_ue_big
40 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
41 x264_nal_t **pp_nal, int *pi_nal,
42 x264_picture_t *pic_out );
44 /****************************************************************************
46 ******************************* x264 libs **********************************
48 ****************************************************************************/
49 static double x264_psnr( double sqe, double size )
51 double mse = sqe / (PIXEL_MAX*PIXEL_MAX * size);
52 if( mse <= 0.0000000001 ) /* Max 100dB */
55 return -10.0 * log10( mse );
58 static double x264_ssim( double ssim )
60 double inv_ssim = 1 - ssim;
61 if( inv_ssim <= 0.0000000001 ) /* Max 100dB */
64 return -10.0 * log10( inv_ssim );
67 static int x264_threadpool_wait_all( x264_t *h )
69 for( int i = 0; i < h->param.i_threads; i++ )
70 if( h->thread[i]->b_thread_active )
72 h->thread[i]->b_thread_active = 0;
73 if( (intptr_t)x264_threadpool_wait( h->threadpool, h->thread[i] ) < 0 )
79 static void x264_frame_dump( x264_t *h )
81 FILE *f = x264_fopen( h->param.psz_dump_yuv, "r+b" );
85 /* Wait for the threads to finish deblocking */
86 if( h->param.b_sliced_threads )
87 x264_threadpool_wait_all( h );
89 /* Write the frame in display order */
90 int frame_size = FRAME_SIZE( h->param.i_height * h->param.i_width * sizeof(pixel) );
91 fseek( f, (uint64_t)h->fdec->i_frame * frame_size, SEEK_SET );
92 for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
93 for( int y = 0; y < h->param.i_height; y++ )
94 fwrite( &h->fdec->plane[p][y*h->fdec->i_stride[p]], sizeof(pixel), h->param.i_width, f );
97 int cw = h->param.i_width>>1;
98 int ch = h->param.i_height>>CHROMA_V_SHIFT;
99 pixel *planeu = x264_malloc( (cw*ch*2+32)*sizeof(pixel) );
100 pixel *planev = planeu + cw*ch + 16;
101 h->mc.plane_copy_deinterleave( planeu, cw, planev, cw, h->fdec->plane[1], h->fdec->i_stride[1], cw, ch );
102 fwrite( planeu, 1, cw*ch*sizeof(pixel), f );
103 fwrite( planev, 1, cw*ch*sizeof(pixel), f );
109 /* Fill "default" values */
110 static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
111 x264_sps_t *sps, x264_pps_t *pps,
112 int i_idr_pic_id, int i_frame, int i_qp )
114 x264_param_t *param = &h->param;
116 /* First we fill all fields */
121 sh->i_last_mb = h->mb.i_mb_count - 1;
122 sh->i_pps_id = pps->i_id;
124 sh->i_frame_num = i_frame;
126 sh->b_mbaff = PARAM_INTERLACED;
127 sh->b_field_pic = 0; /* no field support for now */
128 sh->b_bottom_field = 0; /* not yet used */
130 sh->i_idr_pic_id = i_idr_pic_id;
132 /* poc stuff, fixed later */
134 sh->i_delta_poc_bottom = 0;
135 sh->i_delta_poc[0] = 0;
136 sh->i_delta_poc[1] = 0;
138 sh->i_redundant_pic_cnt = 0;
140 h->mb.b_direct_auto_write = h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
142 && ( h->param.rc.b_stat_write || !h->param.rc.b_stat_read );
144 if( !h->mb.b_direct_auto_read && sh->i_type == SLICE_TYPE_B )
146 if( h->fref[1][0]->i_poc_l0ref0 == h->fref[0][0]->i_poc )
148 if( h->mb.b_direct_auto_write )
149 sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] );
151 sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL );
155 h->mb.b_direct_auto_write = 0;
156 sh->b_direct_spatial_mv_pred = 1;
159 /* else b_direct_spatial_mv_pred was read from the 2pass statsfile */
161 sh->b_num_ref_idx_override = 0;
162 sh->i_num_ref_idx_l0_active = 1;
163 sh->i_num_ref_idx_l1_active = 1;
165 sh->b_ref_pic_list_reordering[0] = h->b_ref_reorder[0];
166 sh->b_ref_pic_list_reordering[1] = h->b_ref_reorder[1];
168 /* If the ref list isn't in the default order, construct reordering header */
169 for( int list = 0; list < 2; list++ )
171 if( sh->b_ref_pic_list_reordering[list] )
173 int pred_frame_num = i_frame;
174 for( int i = 0; i < h->i_ref[list]; i++ )
176 int diff = h->fref[list][i]->i_frame_num - pred_frame_num;
177 sh->ref_pic_list_order[list][i].idc = ( diff > 0 );
178 sh->ref_pic_list_order[list][i].arg = (abs(diff) - 1) & ((1 << sps->i_log2_max_frame_num) - 1);
179 pred_frame_num = h->fref[list][i]->i_frame_num;
184 sh->i_cabac_init_idc = param->i_cabac_init_idc;
186 sh->i_qp = SPEC_QP(i_qp);
187 sh->i_qp_delta = sh->i_qp - pps->i_pic_init_qp;
188 sh->b_sp_for_swidth = 0;
191 int deblock_thresh = i_qp + 2 * X264_MIN(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta);
192 /* If effective qp <= 15, deblocking would have no effect anyway */
193 if( param->b_deblocking_filter && (h->mb.b_variable_qp || 15 < deblock_thresh ) )
194 sh->i_disable_deblocking_filter_idc = param->b_sliced_threads ? 2 : 0;
196 sh->i_disable_deblocking_filter_idc = 1;
197 sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1;
198 sh->i_beta_offset = param->i_deblocking_filter_beta << 1;
201 static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc )
205 int first_x = sh->i_first_mb % sh->sps->i_mb_width;
206 int first_y = sh->i_first_mb / sh->sps->i_mb_width;
207 assert( (first_y&1) == 0 );
208 bs_write_ue( s, (2*first_x + sh->sps->i_mb_width*(first_y&~1) + (first_y&1)) >> 1 );
211 bs_write_ue( s, sh->i_first_mb );
213 bs_write_ue( s, sh->i_type + 5 ); /* same type things */
214 bs_write_ue( s, sh->i_pps_id );
215 bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num & ((1<<sh->sps->i_log2_max_frame_num)-1) );
217 if( !sh->sps->b_frame_mbs_only )
219 bs_write1( s, sh->b_field_pic );
220 if( sh->b_field_pic )
221 bs_write1( s, sh->b_bottom_field );
224 if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */
225 bs_write_ue( s, sh->i_idr_pic_id );
227 if( sh->sps->i_poc_type == 0 )
229 bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc & ((1<<sh->sps->i_log2_max_poc_lsb)-1) );
230 if( sh->pps->b_pic_order && !sh->b_field_pic )
231 bs_write_se( s, sh->i_delta_poc_bottom );
234 if( sh->pps->b_redundant_pic_cnt )
235 bs_write_ue( s, sh->i_redundant_pic_cnt );
237 if( sh->i_type == SLICE_TYPE_B )
238 bs_write1( s, sh->b_direct_spatial_mv_pred );
240 if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_B )
242 bs_write1( s, sh->b_num_ref_idx_override );
243 if( sh->b_num_ref_idx_override )
245 bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 );
246 if( sh->i_type == SLICE_TYPE_B )
247 bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 );
251 /* ref pic list reordering */
252 if( sh->i_type != SLICE_TYPE_I )
254 bs_write1( s, sh->b_ref_pic_list_reordering[0] );
255 if( sh->b_ref_pic_list_reordering[0] )
257 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
259 bs_write_ue( s, sh->ref_pic_list_order[0][i].idc );
260 bs_write_ue( s, sh->ref_pic_list_order[0][i].arg );
265 if( sh->i_type == SLICE_TYPE_B )
267 bs_write1( s, sh->b_ref_pic_list_reordering[1] );
268 if( sh->b_ref_pic_list_reordering[1] )
270 for( int i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
272 bs_write_ue( s, sh->ref_pic_list_order[1][i].idc );
273 bs_write_ue( s, sh->ref_pic_list_order[1][i].arg );
279 sh->b_weighted_pred = 0;
280 if( sh->pps->b_weighted_pred && sh->i_type == SLICE_TYPE_P )
282 sh->b_weighted_pred = sh->weight[0][0].weightfn || sh->weight[0][1].weightfn || sh->weight[0][2].weightfn;
283 /* pred_weight_table() */
284 bs_write_ue( s, sh->weight[0][0].i_denom );
285 bs_write_ue( s, sh->weight[0][1].i_denom );
286 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
288 int luma_weight_l0_flag = !!sh->weight[i][0].weightfn;
289 int chroma_weight_l0_flag = !!sh->weight[i][1].weightfn || !!sh->weight[i][2].weightfn;
290 bs_write1( s, luma_weight_l0_flag );
291 if( luma_weight_l0_flag )
293 bs_write_se( s, sh->weight[i][0].i_scale );
294 bs_write_se( s, sh->weight[i][0].i_offset );
296 bs_write1( s, chroma_weight_l0_flag );
297 if( chroma_weight_l0_flag )
299 for( int j = 1; j < 3; j++ )
301 bs_write_se( s, sh->weight[i][j].i_scale );
302 bs_write_se( s, sh->weight[i][j].i_offset );
307 else if( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B )
312 if( i_nal_ref_idc != 0 )
314 if( sh->i_idr_pic_id >= 0 )
316 bs_write1( s, 0 ); /* no output of prior pics flag */
317 bs_write1( s, 0 ); /* long term reference flag */
321 bs_write1( s, sh->i_mmco_command_count > 0 ); /* adaptive_ref_pic_marking_mode_flag */
322 if( sh->i_mmco_command_count > 0 )
324 for( int i = 0; i < sh->i_mmco_command_count; i++ )
326 bs_write_ue( s, 1 ); /* mark short term ref as unused */
327 bs_write_ue( s, sh->mmco[i].i_difference_of_pic_nums - 1 );
329 bs_write_ue( s, 0 ); /* end command list */
334 if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I )
335 bs_write_ue( s, sh->i_cabac_init_idc );
337 bs_write_se( s, sh->i_qp_delta ); /* slice qp delta */
339 if( sh->pps->b_deblocking_filter_control )
341 bs_write_ue( s, sh->i_disable_deblocking_filter_idc );
342 if( sh->i_disable_deblocking_filter_idc != 1 )
344 bs_write_se( s, sh->i_alpha_c0_offset >> 1 );
345 bs_write_se( s, sh->i_beta_offset >> 1 );
350 /* If we are within a reasonable distance of the end of the memory allocated for the bitstream, */
351 /* reallocate, adding an arbitrary amount of space. */
352 static int x264_bitstream_check_buffer_internal( x264_t *h, int size, int b_cabac, int i_nal )
354 if( (b_cabac && (h->cabac.p_end - h->cabac.p < size)) ||
355 (h->out.bs.p_end - h->out.bs.p < size) )
357 int buf_size = h->out.i_bitstream + size;
358 uint8_t *buf = x264_malloc( buf_size );
361 int aligned_size = h->out.i_bitstream & ~15;
362 h->mc.memcpy_aligned( buf, h->out.p_bitstream, aligned_size );
363 memcpy( buf + aligned_size, h->out.p_bitstream + aligned_size, h->out.i_bitstream - aligned_size );
365 intptr_t delta = buf - h->out.p_bitstream;
367 h->out.bs.p_start += delta;
368 h->out.bs.p += delta;
369 h->out.bs.p_end = buf + buf_size;
371 h->cabac.p_start += delta;
373 h->cabac.p_end = buf + buf_size;
375 for( int i = 0; i <= i_nal; i++ )
376 h->out.nal[i].p_payload += delta;
378 x264_free( h->out.p_bitstream );
379 h->out.p_bitstream = buf;
380 h->out.i_bitstream = buf_size;
385 static int x264_bitstream_check_buffer( x264_t *h )
387 int max_row_size = (2500 << SLICE_MBAFF) * h->mb.i_mb_width;
388 return x264_bitstream_check_buffer_internal( h, max_row_size, h->param.b_cabac, h->out.i_nal );
391 static int x264_bitstream_check_buffer_filler( x264_t *h, int filler )
393 filler += 32; // add padding for safety
394 return x264_bitstream_check_buffer_internal( h, filler, 0, -1 );
398 static void x264_encoder_thread_init( x264_t *h )
400 if( h->param.i_sync_lookahead )
401 x264_lower_thread_priority( 10 );
405 /****************************************************************************
407 ****************************************************************************
408 ****************************** External API*********************************
409 ****************************************************************************
411 ****************************************************************************/
413 static int x264_validate_parameters( x264_t *h, int b_open )
418 int cpuflags = x264_cpu_detect();
421 if( !(cpuflags & X264_CPU_SSE) )
423 x264_log( h, X264_LOG_ERROR, "your cpu does not support SSE1, but x264 was compiled with asm\n");
427 if( !(cpuflags & X264_CPU_MMX2) )
429 x264_log( h, X264_LOG_ERROR, "your cpu does not support MMXEXT, but x264 was compiled with asm\n");
433 if( !fail && !(cpuflags & X264_CPU_CMOV) )
435 x264_log( h, X264_LOG_ERROR, "your cpu does not support CMOV, but x264 was compiled with asm\n");
440 x264_log( h, X264_LOG_ERROR, "to run x264, recompile without asm (configure --disable-asm)\n");
447 h->param.b_interlaced = !!PARAM_INTERLACED;
449 if( h->param.b_interlaced )
451 x264_log( h, X264_LOG_ERROR, "not compiled with interlaced support\n" );
456 if( h->param.i_width <= 0 || h->param.i_height <= 0 )
458 x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
459 h->param.i_width, h->param.i_height );
463 int i_csp = h->param.i_csp & X264_CSP_MASK;
464 #if X264_CHROMA_FORMAT
465 if( CHROMA_FORMAT != CHROMA_420 && i_csp >= X264_CSP_I420 && i_csp <= X264_CSP_NV12 )
467 x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:0 support\n" );
470 else if( CHROMA_FORMAT != CHROMA_422 && i_csp >= X264_CSP_I422 && i_csp <= X264_CSP_NV16 )
472 x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:2 support\n" );
475 else if( CHROMA_FORMAT != CHROMA_444 && i_csp >= X264_CSP_I444 && i_csp <= X264_CSP_RGB )
477 x264_log( h, X264_LOG_ERROR, "not compiled with 4:4:4 support\n" );
481 if( i_csp <= X264_CSP_NONE || i_csp >= X264_CSP_MAX )
483 x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420/YV12/NV12/I422/YV16/NV16/I444/YV24/BGR/BGRA/RGB supported)\n" );
487 if( i_csp < X264_CSP_I444 && h->param.i_width % 2 )
489 x264_log( h, X264_LOG_ERROR, "width not divisible by 2 (%dx%d)\n",
490 h->param.i_width, h->param.i_height );
494 if( i_csp < X264_CSP_I422 && PARAM_INTERLACED && h->param.i_height % 4 )
496 x264_log( h, X264_LOG_ERROR, "height not divisible by 4 (%dx%d)\n",
497 h->param.i_width, h->param.i_height );
501 if( (i_csp < X264_CSP_I422 || PARAM_INTERLACED) && h->param.i_height % 2 )
503 x264_log( h, X264_LOG_ERROR, "height not divisible by 2 (%dx%d)\n",
504 h->param.i_width, h->param.i_height );
508 if( (h->param.crop_rect.i_left + h->param.crop_rect.i_right ) >= h->param.i_width ||
509 (h->param.crop_rect.i_top + h->param.crop_rect.i_bottom) >= h->param.i_height )
511 x264_log( h, X264_LOG_ERROR, "invalid crop-rect %u,%u,%u,%u\n", h->param.crop_rect.i_left,
512 h->param.crop_rect.i_top, h->param.crop_rect.i_right, h->param.crop_rect.i_bottom );
516 if( h->param.vui.i_sar_width <= 0 || h->param.vui.i_sar_height <= 0 )
518 h->param.vui.i_sar_width = 0;
519 h->param.vui.i_sar_height = 0;
522 if( h->param.i_threads == X264_THREADS_AUTO )
523 h->param.i_threads = x264_cpu_num_processors() * (h->param.b_sliced_threads?2:3)/2;
524 int max_sliced_threads = X264_MAX( 1, (h->param.i_height+15)/16 / 4 );
525 if( h->param.i_threads > 1 )
528 x264_log( h, X264_LOG_WARNING, "not compiled with thread support!\n");
529 h->param.i_threads = 1;
531 /* Avoid absurdly small thread slices as they can reduce performance
532 * and VBV compliance. Capped at an arbitrary 4 rows per thread. */
533 if( h->param.b_sliced_threads )
534 h->param.i_threads = X264_MIN( h->param.i_threads, max_sliced_threads );
536 h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
537 if( h->param.i_threads == 1 )
539 h->param.b_sliced_threads = 0;
540 h->param.i_lookahead_threads = 1;
542 h->i_thread_frames = h->param.b_sliced_threads ? 1 : h->param.i_threads;
543 if( h->i_thread_frames > 1 )
544 h->param.nalu_process = NULL;
546 if( h->param.b_opencl )
549 x264_log( h, X264_LOG_WARNING, "OpenCL: not compiled with OpenCL support, disabling\n" );
550 h->param.b_opencl = 0;
552 x264_log( h, X264_LOG_WARNING, "OpenCL lookahead does not support high bit depth, disabling opencl\n" );
553 h->param.b_opencl = 0;
555 if( h->param.i_width < 32 || h->param.i_height < 32 )
557 x264_log( h, X264_LOG_WARNING, "OpenCL: frame size is too small, disabling opencl\n" );
558 h->param.b_opencl = 0;
561 if( h->param.opencl_device_id && h->param.i_opencl_device )
563 x264_log( h, X264_LOG_WARNING, "OpenCL: device id and device skip count configured; dropping skip\n" );
564 h->param.i_opencl_device = 0;
568 h->param.i_keyint_max = x264_clip3( h->param.i_keyint_max, 1, X264_KEYINT_MAX_INFINITE );
569 if( h->param.i_keyint_max == 1 )
571 h->param.b_intra_refresh = 0;
572 h->param.analyse.i_weighted_pred = 0;
573 h->param.i_frame_reference = 1;
574 h->param.i_dpb_size = 1;
577 h->param.i_frame_packing = x264_clip3( h->param.i_frame_packing, -1, 5 );
579 /* Detect default ffmpeg settings and terminate with an error. */
583 score += h->param.analyse.i_me_range == 0;
584 score += h->param.rc.i_qp_step == 3;
585 score += h->param.i_keyint_max == 12;
586 score += h->param.rc.i_qp_min == 2;
587 score += h->param.rc.i_qp_max == 31;
588 score += h->param.rc.f_qcompress == 0.5;
589 score += fabs(h->param.rc.f_ip_factor - 1.25) < 0.01;
590 score += fabs(h->param.rc.f_pb_factor - 1.25) < 0.01;
591 score += h->param.analyse.inter == 0 && h->param.analyse.i_subpel_refine == 8;
594 x264_log( h, X264_LOG_ERROR, "broken ffmpeg default settings detected\n" );
595 x264_log( h, X264_LOG_ERROR, "use an encoding preset (e.g. -vpre medium)\n" );
596 x264_log( h, X264_LOG_ERROR, "preset usage: -vpre <speed> -vpre <profile>\n" );
597 x264_log( h, X264_LOG_ERROR, "speed presets are listed in x264 --help\n" );
598 x264_log( h, X264_LOG_ERROR, "profile is optional; x264 defaults to high\n" );
603 if( h->param.rc.i_rc_method < 0 || h->param.rc.i_rc_method > 2 )
605 x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" );
609 if( PARAM_INTERLACED )
610 h->param.b_pic_struct = 1;
612 if( h->param.b_avcintra_compat )
614 if( BIT_DEPTH != 10 )
616 x264_log( h, X264_LOG_ERROR, "%2d-bit AVC-Intra is not widely compatible\n", BIT_DEPTH );
617 x264_log( h, X264_LOG_ERROR, "10-bit x264 is required to encode AVC-Intra\n" );
621 /* [50/100][res][fps] */
628 const uint8_t *cqm_4ic;
629 const uint8_t *cqm_8iy;
630 } avcintra_lut[2][2][7] =
632 {{{ 60000, 1001, 0, 912, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
633 { 50, 1, 0, 1100, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
634 { 30000, 1001, 0, 912, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
635 { 25, 1, 0, 1100, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
636 { 24000, 1001, 0, 912, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy }},
637 {{ 30000, 1001, 1, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_1080i_8iy },
638 { 25, 1, 1, 2196, x264_cqm_avci50_4ic, x264_cqm_avci50_1080i_8iy },
639 { 60000, 1001, 0, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
640 { 30000, 1001, 0, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
641 { 50, 1, 0, 2196, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
642 { 25, 1, 0, 2196, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
643 { 24000, 1001, 0, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy }}},
644 {{{ 60000, 1001, 0, 1848, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
645 { 50, 1, 0, 2224, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
646 { 30000, 1001, 0, 1848, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
647 { 25, 1, 0, 2224, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
648 { 24000, 1001, 0, 1848, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy }},
649 {{ 30000, 1001, 1, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
650 { 25, 1, 1, 4444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
651 { 60000, 1001, 0, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
652 { 30000, 1001, 0, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
653 { 50, 1, 0, 4444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
654 { 25, 1, 0, 4444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
655 { 24000, 1001, 0, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy }}}
659 int type = i_csp == X264_CSP_I422;
662 if( h->param.i_width == 1920 && h->param.i_height == 1080 ) res = 1;
663 else if( h->param.i_width == 1280 && h->param.i_height == 720 ) res = 0;
665 else if( i_csp == X264_CSP_I420 )
667 if( h->param.i_width == 1440 && h->param.i_height == 1080 ) res = 1;
668 else if( h->param.i_width == 960 && h->param.i_height == 720 ) res = 0;
672 x264_log( h, X264_LOG_ERROR, "Invalid colorspace for AVC-Intra\n" );
678 x264_log( h, X264_LOG_ERROR, "Resolution %dx%d invalid for AVC-Intra %s\n",
679 h->param.i_width, h->param.i_height, type ? "100" : "50" );
683 if( h->param.nalu_process )
685 x264_log( h, X264_LOG_ERROR, "nalu_process is not supported in AVC-Intra mode\n" );
689 if( !h->param.b_repeat_headers )
691 x264_log( h, X264_LOG_ERROR, "Separate headers not supported in AVC-Intra mode\n" );
696 uint32_t fps_num = h->param.i_fps_num, fps_den = h->param.i_fps_den;
697 x264_reduce_fraction( &fps_num, &fps_den );
698 for( i = 0; i < 7; i++ )
700 if( avcintra_lut[type][res][i].fps_num == fps_num &&
701 avcintra_lut[type][res][i].fps_den == fps_den &&
702 avcintra_lut[type][res][i].interlaced == PARAM_INTERLACED )
709 x264_log( h, X264_LOG_ERROR, "FPS %d/%d%c not compatible with AVC-Intra\n",
710 h->param.i_fps_num, h->param.i_fps_den, PARAM_INTERLACED ? 'i' : 'p' );
714 h->param.i_keyint_max = 1;
715 h->param.b_intra_refresh = 0;
716 h->param.analyse.i_weighted_pred = 0;
717 h->param.i_frame_reference = 1;
718 h->param.i_dpb_size = 1;
720 h->param.b_bluray_compat = 0;
721 h->param.b_vfr_input = 0;
723 h->param.vui.i_chroma_loc = 0;
724 h->param.i_nal_hrd = X264_NAL_HRD_NONE;
725 h->param.b_deblocking_filter = 0;
726 h->param.b_stitchable = 1;
727 h->param.b_pic_struct = 0;
728 h->param.analyse.b_transform_8x8 = 1;
729 h->param.analyse.intra = X264_ANALYSE_I8x8;
730 h->param.analyse.i_chroma_qp_offset = res && type ? 3 : 4;
731 h->param.b_cabac = !type;
732 h->param.rc.i_vbv_buffer_size = avcintra_lut[type][res][i].frame_size;
733 h->param.rc.i_vbv_max_bitrate =
734 h->param.rc.i_bitrate = h->param.rc.i_vbv_buffer_size * fps_num / fps_den;
735 h->param.rc.i_rc_method = X264_RC_ABR;
736 h->param.rc.f_vbv_buffer_init = 1.0;
737 h->param.rc.b_filler = 1;
738 h->param.i_cqm_preset = X264_CQM_CUSTOM;
739 memcpy( h->param.cqm_4iy, x264_cqm_jvt4i, sizeof(h->param.cqm_4iy) );
740 memcpy( h->param.cqm_4ic, avcintra_lut[type][res][i].cqm_4ic, sizeof(h->param.cqm_4ic) );
741 memcpy( h->param.cqm_8iy, avcintra_lut[type][res][i].cqm_8iy, sizeof(h->param.cqm_8iy) );
743 /* Need exactly 10 slices of equal MB count... why? $deity knows... */
744 h->param.i_slice_max_mbs = ((h->param.i_width + 15) / 16) * ((h->param.i_height + 15) / 16) / 10;
745 h->param.i_slice_max_size = 0;
746 /* The slice structure only allows a maximum of 2 threads for 1080i/p
747 * and 1 or 5 threads for 720p */
748 if( h->param.b_sliced_threads )
751 h->param.i_threads = X264_MIN( 2, h->param.i_threads );
754 h->param.i_threads = X264_MIN( 5, h->param.i_threads );
755 if( h->param.i_threads < 5 )
756 h->param.i_threads = 1;
761 h->param.vui.i_sar_width = h->param.vui.i_sar_height = 1;
764 h->param.vui.i_sar_width = 4;
765 h->param.vui.i_sar_height = 3;
768 /* Avid cannot handle negative QPs */
769 h->param.rc.i_qp_min = X264_MAX( h->param.rc.i_qp_min, QP_BD_OFFSET );
772 h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, -QP_BD_OFFSET, 51 );
773 h->param.rc.f_rf_constant_max = x264_clip3f( h->param.rc.f_rf_constant_max, -QP_BD_OFFSET, 51 );
774 h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, QP_MAX );
775 h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 11 );
776 h->param.rc.f_ip_factor = X264_MAX( h->param.rc.f_ip_factor, 0.01f );
777 h->param.rc.f_pb_factor = X264_MAX( h->param.rc.f_pb_factor, 0.01f );
778 if( h->param.rc.i_rc_method == X264_RC_CRF )
780 h->param.rc.i_qp_constant = h->param.rc.f_rf_constant + QP_BD_OFFSET;
781 h->param.rc.i_bitrate = 0;
783 if( b_open && (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF)
784 && h->param.rc.i_qp_constant == 0 )
786 h->mb.b_lossless = 1;
787 h->param.i_cqm_preset = X264_CQM_FLAT;
788 h->param.psz_cqm_file = NULL;
789 h->param.rc.i_rc_method = X264_RC_CQP;
790 h->param.rc.f_ip_factor = 1;
791 h->param.rc.f_pb_factor = 1;
792 h->param.analyse.b_psnr = 0;
793 h->param.analyse.b_ssim = 0;
794 h->param.analyse.i_chroma_qp_offset = 0;
795 h->param.analyse.i_trellis = 0;
796 h->param.analyse.b_fast_pskip = 0;
797 h->param.analyse.i_noise_reduction = 0;
798 h->param.analyse.b_psy = 0;
799 h->param.i_bframe = 0;
800 /* 8x8dct is not useful without RD in CAVLC lossless */
801 if( !h->param.b_cabac && h->param.analyse.i_subpel_refine < 6 )
802 h->param.analyse.b_transform_8x8 = 0;
804 if( h->param.rc.i_rc_method == X264_RC_CQP )
806 float qp_p = h->param.rc.i_qp_constant;
807 float qp_i = qp_p - 6*log2f( h->param.rc.f_ip_factor );
808 float qp_b = qp_p + 6*log2f( h->param.rc.f_pb_factor );
809 h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, QP_MAX );
810 h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, QP_MAX );
811 h->param.rc.i_aq_mode = 0;
812 h->param.rc.b_mb_tree = 0;
813 h->param.rc.i_bitrate = 0;
815 h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, QP_MAX );
816 h->param.rc.i_qp_min = x264_clip3( h->param.rc.i_qp_min, 0, h->param.rc.i_qp_max );
817 h->param.rc.i_qp_step = x264_clip3( h->param.rc.i_qp_step, 2, QP_MAX );
818 h->param.rc.i_bitrate = x264_clip3( h->param.rc.i_bitrate, 0, 2000000 );
819 if( h->param.rc.i_rc_method == X264_RC_ABR && !h->param.rc.i_bitrate )
821 x264_log( h, X264_LOG_ERROR, "bitrate not specified\n" );
824 h->param.rc.i_vbv_buffer_size = x264_clip3( h->param.rc.i_vbv_buffer_size, 0, 2000000 );
825 h->param.rc.i_vbv_max_bitrate = x264_clip3( h->param.rc.i_vbv_max_bitrate, 0, 2000000 );
826 h->param.rc.f_vbv_buffer_init = x264_clip3f( h->param.rc.f_vbv_buffer_init, 0, 2000000 );
827 if( h->param.rc.i_vbv_buffer_size )
829 if( h->param.rc.i_rc_method == X264_RC_CQP )
831 x264_log( h, X264_LOG_WARNING, "VBV is incompatible with constant QP, ignored.\n" );
832 h->param.rc.i_vbv_max_bitrate = 0;
833 h->param.rc.i_vbv_buffer_size = 0;
835 else if( h->param.rc.i_vbv_max_bitrate == 0 )
837 if( h->param.rc.i_rc_method == X264_RC_ABR )
839 x264_log( h, X264_LOG_WARNING, "VBV maxrate unspecified, assuming CBR\n" );
840 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate;
844 x264_log( h, X264_LOG_WARNING, "VBV bufsize set but maxrate unspecified, ignored\n" );
845 h->param.rc.i_vbv_buffer_size = 0;
848 else if( h->param.rc.i_vbv_max_bitrate < h->param.rc.i_bitrate &&
849 h->param.rc.i_rc_method == X264_RC_ABR )
851 x264_log( h, X264_LOG_WARNING, "max bitrate less than average bitrate, assuming CBR\n" );
852 h->param.rc.i_bitrate = h->param.rc.i_vbv_max_bitrate;
855 else if( h->param.rc.i_vbv_max_bitrate )
857 x264_log( h, X264_LOG_WARNING, "VBV maxrate specified, but no bufsize, ignored\n" );
858 h->param.rc.i_vbv_max_bitrate = 0;
861 h->param.i_slice_max_size = X264_MAX( h->param.i_slice_max_size, 0 );
862 h->param.i_slice_max_mbs = X264_MAX( h->param.i_slice_max_mbs, 0 );
863 h->param.i_slice_min_mbs = X264_MAX( h->param.i_slice_min_mbs, 0 );
864 if( h->param.i_slice_max_mbs )
865 h->param.i_slice_min_mbs = X264_MIN( h->param.i_slice_min_mbs, h->param.i_slice_max_mbs/2 );
866 else if( !h->param.i_slice_max_size )
867 h->param.i_slice_min_mbs = 0;
868 if( PARAM_INTERLACED && h->param.i_slice_min_mbs )
870 x264_log( h, X264_LOG_WARNING, "interlace + slice-min-mbs is not implemented\n" );
871 h->param.i_slice_min_mbs = 0;
873 int mb_width = (h->param.i_width+15)/16;
874 if( h->param.i_slice_min_mbs > mb_width )
876 x264_log( h, X264_LOG_WARNING, "slice-min-mbs > row mb size (%d) not implemented\n", mb_width );
877 h->param.i_slice_min_mbs = mb_width;
880 int max_slices = (h->param.i_height+((16<<PARAM_INTERLACED)-1))/(16<<PARAM_INTERLACED);
881 if( h->param.b_sliced_threads )
882 h->param.i_slice_count = x264_clip3( h->param.i_threads, 0, max_slices );
885 h->param.i_slice_count = x264_clip3( h->param.i_slice_count, 0, max_slices );
886 if( h->param.i_slice_max_mbs || h->param.i_slice_max_size )
887 h->param.i_slice_count = 0;
889 if( h->param.i_slice_count_max > 0 )
890 h->param.i_slice_count_max = X264_MAX( h->param.i_slice_count, h->param.i_slice_count_max );
892 if( h->param.b_bluray_compat )
894 h->param.i_bframe_pyramid = X264_MIN( X264_B_PYRAMID_STRICT, h->param.i_bframe_pyramid );
895 h->param.i_bframe = X264_MIN( h->param.i_bframe, 3 );
897 h->param.i_nal_hrd = X264_MAX( h->param.i_nal_hrd, X264_NAL_HRD_VBR );
898 h->param.i_slice_max_size = 0;
899 h->param.i_slice_max_mbs = 0;
900 h->param.b_intra_refresh = 0;
901 h->param.i_frame_reference = X264_MIN( h->param.i_frame_reference, 6 );
902 h->param.i_dpb_size = X264_MIN( h->param.i_dpb_size, 6 );
903 /* Don't use I-frames, because Blu-ray treats them the same as IDR. */
904 h->param.i_keyint_min = 1;
905 /* Due to the proliferation of broken players that don't handle dupes properly. */
906 h->param.analyse.i_weighted_pred = X264_MIN( h->param.analyse.i_weighted_pred, X264_WEIGHTP_SIMPLE );
907 if( h->param.b_fake_interlaced )
908 h->param.b_pic_struct = 1;
911 h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, X264_REF_MAX );
912 h->param.i_dpb_size = x264_clip3( h->param.i_dpb_size, 1, X264_REF_MAX );
913 if( h->param.i_scenecut_threshold < 0 )
914 h->param.i_scenecut_threshold = 0;
915 h->param.analyse.i_direct_mv_pred = x264_clip3( h->param.analyse.i_direct_mv_pred, X264_DIRECT_PRED_NONE, X264_DIRECT_PRED_AUTO );
916 if( !h->param.analyse.i_subpel_refine && h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
918 x264_log( h, X264_LOG_WARNING, "subme=0 + direct=temporal is not supported\n" );
919 h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
921 h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_MIN( X264_BFRAME_MAX, h->param.i_keyint_max-1 ) );
922 h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
923 if( h->param.i_bframe <= 1 )
924 h->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
925 h->param.i_bframe_pyramid = x264_clip3( h->param.i_bframe_pyramid, X264_B_PYRAMID_NONE, X264_B_PYRAMID_NORMAL );
926 h->param.i_bframe_adaptive = x264_clip3( h->param.i_bframe_adaptive, X264_B_ADAPT_NONE, X264_B_ADAPT_TRELLIS );
927 if( !h->param.i_bframe )
929 h->param.i_bframe_adaptive = X264_B_ADAPT_NONE;
930 h->param.analyse.i_direct_mv_pred = 0;
931 h->param.analyse.b_weighted_bipred = 0;
932 h->param.b_open_gop = 0;
934 if( h->param.b_intra_refresh && h->param.i_bframe_pyramid == X264_B_PYRAMID_NORMAL )
936 x264_log( h, X264_LOG_WARNING, "b-pyramid normal + intra-refresh is not supported\n" );
937 h->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
939 if( h->param.b_intra_refresh && (h->param.i_frame_reference > 1 || h->param.i_dpb_size > 1) )
941 x264_log( h, X264_LOG_WARNING, "ref > 1 + intra-refresh is not supported\n" );
942 h->param.i_frame_reference = 1;
943 h->param.i_dpb_size = 1;
945 if( h->param.b_intra_refresh && h->param.b_open_gop )
947 x264_log( h, X264_LOG_WARNING, "intra-refresh is not compatible with open-gop\n" );
948 h->param.b_open_gop = 0;
950 if( !h->param.i_fps_num || !h->param.i_fps_den )
952 h->param.i_fps_num = 25;
953 h->param.i_fps_den = 1;
955 float fps = (float) h->param.i_fps_num / h->param.i_fps_den;
956 if( h->param.i_keyint_min == X264_KEYINT_MIN_AUTO )
957 h->param.i_keyint_min = X264_MIN( h->param.i_keyint_max / 10, fps );
958 h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
959 h->param.rc.i_lookahead = x264_clip3( h->param.rc.i_lookahead, 0, X264_LOOKAHEAD_MAX );
961 int maxrate = X264_MAX( h->param.rc.i_vbv_max_bitrate, h->param.rc.i_bitrate );
962 float bufsize = maxrate ? (float)h->param.rc.i_vbv_buffer_size / maxrate : 0;
963 h->param.rc.i_lookahead = X264_MIN( h->param.rc.i_lookahead, X264_MAX( h->param.i_keyint_max, bufsize*fps ) );
966 if( !h->param.i_timebase_num || !h->param.i_timebase_den || !(h->param.b_vfr_input || h->param.b_pulldown) )
968 h->param.i_timebase_num = h->param.i_fps_den;
969 h->param.i_timebase_den = h->param.i_fps_num;
972 h->param.rc.f_qcompress = x264_clip3f( h->param.rc.f_qcompress, 0.0, 1.0 );
973 if( h->param.i_keyint_max == 1 || h->param.rc.f_qcompress == 1 )
974 h->param.rc.b_mb_tree = 0;
975 if( (!h->param.b_intra_refresh && h->param.i_keyint_max != X264_KEYINT_MAX_INFINITE) &&
976 !h->param.rc.i_lookahead && h->param.rc.b_mb_tree )
978 x264_log( h, X264_LOG_WARNING, "lookaheadless mb-tree requires intra refresh or infinite keyint\n" );
979 h->param.rc.b_mb_tree = 0;
981 if( b_open && h->param.rc.b_stat_read )
982 h->param.rc.i_lookahead = 0;
984 if( h->param.i_sync_lookahead < 0 )
985 h->param.i_sync_lookahead = h->param.i_bframe + 1;
986 h->param.i_sync_lookahead = X264_MIN( h->param.i_sync_lookahead, X264_LOOKAHEAD_MAX );
987 if( h->param.rc.b_stat_read || h->i_thread_frames == 1 )
988 h->param.i_sync_lookahead = 0;
990 h->param.i_sync_lookahead = 0;
993 h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 );
994 h->param.i_deblocking_filter_beta = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 );
995 h->param.analyse.i_luma_deadzone[0] = x264_clip3( h->param.analyse.i_luma_deadzone[0], 0, 32 );
996 h->param.analyse.i_luma_deadzone[1] = x264_clip3( h->param.analyse.i_luma_deadzone[1], 0, 32 );
998 h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 );
1000 if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
1001 h->param.i_cqm_preset = X264_CQM_FLAT;
1003 if( h->param.analyse.i_me_method < X264_ME_DIA ||
1004 h->param.analyse.i_me_method > X264_ME_TESA )
1005 h->param.analyse.i_me_method = X264_ME_HEX;
1006 h->param.analyse.i_me_range = x264_clip3( h->param.analyse.i_me_range, 4, 1024 );
1007 if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
1008 h->param.analyse.i_me_range = 16;
1009 if( h->param.analyse.i_me_method == X264_ME_TESA &&
1010 (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) )
1011 h->param.analyse.i_me_method = X264_ME_ESA;
1012 h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1;
1013 h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16|
1014 X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
1015 h->param.analyse.intra &= X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
1016 if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
1017 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
1018 if( !h->param.analyse.b_transform_8x8 )
1020 h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
1021 h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
1023 h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
1024 h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 2 );
1025 h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 );
1026 if( h->param.rc.f_aq_strength == 0 )
1027 h->param.rc.i_aq_mode = 0;
1029 if( h->param.i_log_level < X264_LOG_INFO )
1031 h->param.analyse.b_psnr = 0;
1032 h->param.analyse.b_ssim = 0;
1034 /* Warn users trying to measure PSNR/SSIM with psy opts on. */
1035 if( b_open && (h->param.analyse.b_psnr || h->param.analyse.b_ssim) )
1039 if( h->param.analyse.b_psy )
1041 s = h->param.analyse.b_psnr ? "psnr" : "ssim";
1042 x264_log( h, X264_LOG_WARNING, "--%s used with psy on: results will be invalid!\n", s );
1044 else if( !h->param.rc.i_aq_mode && h->param.analyse.b_ssim )
1046 x264_log( h, X264_LOG_WARNING, "--ssim used with AQ off: results will be invalid!\n" );
1049 else if( h->param.rc.i_aq_mode && h->param.analyse.b_psnr )
1051 x264_log( h, X264_LOG_WARNING, "--psnr used with AQ on: results will be invalid!\n" );
1055 x264_log( h, X264_LOG_WARNING, "--tune %s should be used if attempting to benchmark %s!\n", s, s );
1058 if( !h->param.analyse.b_psy )
1060 h->param.analyse.f_psy_rd = 0;
1061 h->param.analyse.f_psy_trellis = 0;
1063 h->param.analyse.f_psy_rd = x264_clip3f( h->param.analyse.f_psy_rd, 0, 10 );
1064 h->param.analyse.f_psy_trellis = x264_clip3f( h->param.analyse.f_psy_trellis, 0, 10 );
1065 h->mb.i_psy_rd = h->param.analyse.i_subpel_refine >= 6 ? FIX8( h->param.analyse.f_psy_rd ) : 0;
1066 h->mb.i_psy_trellis = h->param.analyse.i_trellis ? FIX8( h->param.analyse.f_psy_trellis / 4 ) : 0;
1067 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -32, 32);
1068 /* In 4:4:4 mode, chroma gets twice as much resolution, so we can halve its quality. */
1069 if( b_open && i_csp >= X264_CSP_I444 && i_csp < X264_CSP_BGR && h->param.analyse.b_psy )
1070 h->param.analyse.i_chroma_qp_offset += 6;
1071 /* Psy RDO increases overall quantizers to improve the quality of luma--this indirectly hurts chroma quality */
1072 /* so we lower the chroma QP offset to compensate */
1073 if( b_open && h->mb.i_psy_rd && !h->param.b_avcintra_compat )
1074 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_rd < 0.25 ? 1 : 2;
1075 /* Psy trellis has a similar effect. */
1076 if( b_open && h->mb.i_psy_trellis && !h->param.b_avcintra_compat )
1077 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_trellis < 0.25 ? 1 : 2;
1078 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
1079 /* MB-tree requires AQ to be on, even if the strength is zero. */
1080 if( !h->param.rc.i_aq_mode && h->param.rc.b_mb_tree )
1082 h->param.rc.i_aq_mode = 1;
1083 h->param.rc.f_aq_strength = 0;
1085 h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 );
1086 if( h->param.analyse.i_subpel_refine >= 10 && (h->param.analyse.i_trellis != 2 || !h->param.rc.i_aq_mode) )
1087 h->param.analyse.i_subpel_refine = 9;
1090 const x264_level_t *l = x264_levels;
1091 if( h->param.i_level_idc < 0 )
1093 int maxrate_bak = h->param.rc.i_vbv_max_bitrate;
1094 if( h->param.rc.i_rc_method == X264_RC_ABR && h->param.rc.i_vbv_buffer_size <= 0 )
1095 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate * 2;
1096 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1097 do h->param.i_level_idc = l->level_idc;
1098 while( l[1].level_idc && x264_validate_levels( h, 0 ) && l++ );
1099 h->param.rc.i_vbv_max_bitrate = maxrate_bak;
1103 while( l->level_idc && l->level_idc != h->param.i_level_idc )
1105 if( l->level_idc == 0 )
1107 x264_log( h, X264_LOG_ERROR, "invalid level_idc: %d\n", h->param.i_level_idc );
1111 if( h->param.analyse.i_mv_range <= 0 )
1112 h->param.analyse.i_mv_range = l->mv_range >> PARAM_INTERLACED;
1114 h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> PARAM_INTERLACED);
1117 h->param.analyse.i_weighted_pred = x264_clip3( h->param.analyse.i_weighted_pred, X264_WEIGHTP_NONE, X264_WEIGHTP_SMART );
1119 if( h->param.i_lookahead_threads == X264_THREADS_AUTO )
1121 if( h->param.b_sliced_threads )
1122 h->param.i_lookahead_threads = h->param.i_threads;
1125 /* If we're using much slower lookahead settings than encoding settings, it helps a lot to use
1126 * more lookahead threads. This typically happens in the first pass of a two-pass encode, so
1127 * try to guess at this sort of case.
1129 * Tuned by a little bit of real encoding with the various presets. */
1130 int badapt = h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS;
1131 int subme = X264_MIN( h->param.analyse.i_subpel_refine / 3, 3 ) + (h->param.analyse.i_subpel_refine > 1);
1132 int bframes = X264_MIN( (h->param.i_bframe - 1) / 3, 3 );
1134 /* [b-adapt 0/1 vs 2][quantized subme][quantized bframes] */
1135 static const uint8_t lookahead_thread_div[2][5][4] =
1136 {{{6,6,6,6}, {3,3,3,3}, {4,4,4,4}, {6,6,6,6}, {12,12,12,12}},
1137 {{3,2,1,1}, {2,1,1,1}, {4,3,2,1}, {6,4,3,2}, {12, 9, 6, 4}}};
1139 h->param.i_lookahead_threads = h->param.i_threads / lookahead_thread_div[badapt][subme][bframes];
1140 /* Since too many lookahead threads significantly degrades lookahead accuracy, limit auto
1141 * lookahead threads to about 8 macroblock rows high each at worst. This number is chosen
1142 * pretty much arbitrarily. */
1143 h->param.i_lookahead_threads = X264_MIN( h->param.i_lookahead_threads, h->param.i_height / 128 );
1146 h->param.i_lookahead_threads = x264_clip3( h->param.i_lookahead_threads, 1, X264_MIN( max_sliced_threads, X264_LOOKAHEAD_THREAD_MAX ) );
1148 if( PARAM_INTERLACED )
1150 if( h->param.analyse.i_me_method >= X264_ME_ESA )
1152 x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
1153 h->param.analyse.i_me_method = X264_ME_UMH;
1155 if( h->param.analyse.i_weighted_pred > 0 )
1157 x264_log( h, X264_LOG_WARNING, "interlace + weightp is not implemented\n" );
1158 h->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
1162 if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy )
1163 h->param.analyse.i_weighted_pred = X264_WEIGHTP_FAKE;
1165 if( h->i_thread_frames > 1 )
1167 int r = h->param.analyse.i_mv_range_thread;
1171 // half of the available space is reserved and divided evenly among the threads,
1172 // the rest is allocated to whichever thread is far enough ahead to use it.
1173 // reserving more space increases quality for some videos, but costs more time
1174 // in thread synchronization.
1175 int max_range = (h->param.i_height + X264_THREAD_HEIGHT) / h->i_thread_frames - X264_THREAD_HEIGHT;
1178 r = X264_MAX( r, h->param.analyse.i_me_range );
1179 r = X264_MIN( r, h->param.analyse.i_mv_range );
1180 // round up to use the whole mb row
1181 r2 = (r & ~15) + ((-X264_THREAD_HEIGHT) & 15);
1184 x264_log( h, X264_LOG_DEBUG, "using mv_range_thread = %d\n", r2 );
1185 h->param.analyse.i_mv_range_thread = r2;
1188 if( h->param.rc.f_rate_tolerance < 0 )
1189 h->param.rc.f_rate_tolerance = 0;
1190 if( h->param.rc.f_qblur < 0 )
1191 h->param.rc.f_qblur = 0;
1192 if( h->param.rc.f_complexity_blur < 0 )
1193 h->param.rc.f_complexity_blur = 0;
1195 h->param.i_sps_id &= 31;
1197 h->param.i_nal_hrd = x264_clip3( h->param.i_nal_hrd, X264_NAL_HRD_NONE, X264_NAL_HRD_CBR );
1199 if( h->param.i_nal_hrd && !h->param.rc.i_vbv_buffer_size )
1201 x264_log( h, X264_LOG_WARNING, "NAL HRD parameters require VBV parameters\n" );
1202 h->param.i_nal_hrd = X264_NAL_HRD_NONE;
1205 if( h->param.i_nal_hrd == X264_NAL_HRD_CBR &&
1206 (h->param.rc.i_bitrate != h->param.rc.i_vbv_max_bitrate || !h->param.rc.i_vbv_max_bitrate) )
1208 x264_log( h, X264_LOG_WARNING, "CBR HRD requires constant bitrate\n" );
1209 h->param.i_nal_hrd = X264_NAL_HRD_VBR;
1212 if( h->param.i_nal_hrd == X264_NAL_HRD_CBR )
1213 h->param.rc.b_filler = 1;
1215 /* ensure the booleans are 0 or 1 so they can be used in math */
1216 #define BOOLIFY(x) h->param.x = !!h->param.x
1218 BOOLIFY( b_constrained_intra );
1219 BOOLIFY( b_deblocking_filter );
1220 BOOLIFY( b_deterministic );
1221 BOOLIFY( b_sliced_threads );
1222 BOOLIFY( b_interlaced );
1223 BOOLIFY( b_intra_refresh );
1225 BOOLIFY( b_repeat_headers );
1226 BOOLIFY( b_annexb );
1227 BOOLIFY( b_vfr_input );
1228 BOOLIFY( b_pulldown );
1230 BOOLIFY( b_pic_struct );
1231 BOOLIFY( b_fake_interlaced );
1232 BOOLIFY( b_open_gop );
1233 BOOLIFY( b_bluray_compat );
1234 BOOLIFY( b_stitchable );
1235 BOOLIFY( b_full_recon );
1236 BOOLIFY( b_opencl );
1237 BOOLIFY( b_avcintra_compat );
1238 BOOLIFY( analyse.b_transform_8x8 );
1239 BOOLIFY( analyse.b_weighted_bipred );
1240 BOOLIFY( analyse.b_chroma_me );
1241 BOOLIFY( analyse.b_mixed_references );
1242 BOOLIFY( analyse.b_fast_pskip );
1243 BOOLIFY( analyse.b_dct_decimate );
1244 BOOLIFY( analyse.b_psy );
1245 BOOLIFY( analyse.b_psnr );
1246 BOOLIFY( analyse.b_ssim );
1247 BOOLIFY( rc.b_stat_write );
1248 BOOLIFY( rc.b_stat_read );
1249 BOOLIFY( rc.b_mb_tree );
1250 BOOLIFY( rc.b_filler );
1256 static void mbcmp_init( x264_t *h )
1258 int satd = !h->mb.b_lossless && h->param.analyse.i_subpel_refine > 1;
1259 memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad_aligned, sizeof(h->pixf.mbcmp) );
1260 memcpy( h->pixf.mbcmp_unaligned, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp_unaligned) );
1261 h->pixf.intra_mbcmp_x3_16x16 = satd ? h->pixf.intra_satd_x3_16x16 : h->pixf.intra_sad_x3_16x16;
1262 h->pixf.intra_mbcmp_x3_8x16c = satd ? h->pixf.intra_satd_x3_8x16c : h->pixf.intra_sad_x3_8x16c;
1263 h->pixf.intra_mbcmp_x3_8x8c = satd ? h->pixf.intra_satd_x3_8x8c : h->pixf.intra_sad_x3_8x8c;
1264 h->pixf.intra_mbcmp_x3_8x8 = satd ? h->pixf.intra_sa8d_x3_8x8 : h->pixf.intra_sad_x3_8x8;
1265 h->pixf.intra_mbcmp_x3_4x4 = satd ? h->pixf.intra_satd_x3_4x4 : h->pixf.intra_sad_x3_4x4;
1266 h->pixf.intra_mbcmp_x9_4x4 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
1267 : satd ? h->pixf.intra_satd_x9_4x4 : h->pixf.intra_sad_x9_4x4;
1268 h->pixf.intra_mbcmp_x9_8x8 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
1269 : satd ? h->pixf.intra_sa8d_x9_8x8 : h->pixf.intra_sad_x9_8x8;
1270 satd &= h->param.analyse.i_me_method == X264_ME_TESA;
1271 memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) );
1272 memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) );
1273 memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) );
1276 static void chroma_dsp_init( x264_t *h )
1278 memcpy( h->luma2chroma_pixel, x264_luma2chroma_pixel[CHROMA_FORMAT], sizeof(h->luma2chroma_pixel) );
1280 switch( CHROMA_FORMAT )
1283 memcpy( h->predict_chroma, h->predict_8x8c, sizeof(h->predict_chroma) );
1284 h->mc.prefetch_fenc = h->mc.prefetch_fenc_420;
1285 h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_420;
1286 h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_420_intra;
1287 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_420_mbaff;
1288 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_420_intra_mbaff;
1289 h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x8c;
1290 h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last4;
1291 h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run4;
1294 memcpy( h->predict_chroma, h->predict_8x16c, sizeof(h->predict_chroma) );
1295 h->mc.prefetch_fenc = h->mc.prefetch_fenc_422;
1296 h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_422;
1297 h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_422_intra;
1298 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_422_mbaff;
1299 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_422_intra_mbaff;
1300 h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x16c;
1301 h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last8;
1302 h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run8;
1305 h->mc.prefetch_fenc = h->mc.prefetch_fenc_422; /* FIXME: doesn't cover V plane */
1306 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_luma_mbaff;
1307 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_luma_intra_mbaff;
1312 static void x264_set_aspect_ratio( x264_t *h, x264_param_t *param, int initial )
1315 if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
1317 uint32_t i_w = param->vui.i_sar_width;
1318 uint32_t i_h = param->vui.i_sar_height;
1319 uint32_t old_w = h->param.vui.i_sar_width;
1320 uint32_t old_h = h->param.vui.i_sar_height;
1322 x264_reduce_fraction( &i_w, &i_h );
1324 while( i_w > 65535 || i_h > 65535 )
1330 x264_reduce_fraction( &i_w, &i_h );
1332 if( i_w != old_w || i_h != old_h || initial )
1334 h->param.vui.i_sar_width = 0;
1335 h->param.vui.i_sar_height = 0;
1336 if( i_w == 0 || i_h == 0 )
1337 x264_log( h, X264_LOG_WARNING, "cannot create valid sample aspect ratio\n" );
1340 x264_log( h, initial?X264_LOG_INFO:X264_LOG_DEBUG, "using SAR=%d/%d\n", i_w, i_h );
1341 h->param.vui.i_sar_width = i_w;
1342 h->param.vui.i_sar_height = i_h;
1348 /****************************************************************************
1349 * x264_encoder_open:
1350 ****************************************************************************/
1351 x264_t *x264_encoder_open( x264_param_t *param )
1355 int qp, i_slicetype_length;
1357 CHECKED_MALLOCZERO( h, sizeof(x264_t) );
1359 /* Create a copy of param */
1360 memcpy( &h->param, param, sizeof(x264_param_t) );
1362 if( param->param_free )
1363 param->param_free( param );
1365 if( x264_threading_init() )
1367 x264_log( h, X264_LOG_ERROR, "unable to initialize threading\n" );
1371 if( x264_validate_parameters( h, 1 ) < 0 )
1374 if( h->param.psz_cqm_file )
1375 if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
1378 if( h->param.rc.psz_stat_out )
1379 h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out );
1380 if( h->param.rc.psz_stat_in )
1381 h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
1383 x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
1384 x264_reduce_fraction( &h->param.i_timebase_num, &h->param.i_timebase_den );
1389 h->i_idr_pic_id = 0;
1391 if( (uint64_t)h->param.i_timebase_den * 2 > UINT32_MAX )
1393 x264_log( h, X264_LOG_ERROR, "Effective timebase denominator %u exceeds H.264 maximum\n", h->param.i_timebase_den );
1397 x264_set_aspect_ratio( h, &h->param, 1 );
1399 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1400 x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps );
1402 x264_validate_levels( h, 1 );
1404 h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset;
1406 if( x264_cqm_init( h ) < 0 )
1409 h->mb.i_mb_width = h->sps->i_mb_width;
1410 h->mb.i_mb_height = h->sps->i_mb_height;
1411 h->mb.i_mb_count = h->mb.i_mb_width * h->mb.i_mb_height;
1413 h->mb.chroma_h_shift = CHROMA_FORMAT == CHROMA_420 || CHROMA_FORMAT == CHROMA_422;
1414 h->mb.chroma_v_shift = CHROMA_FORMAT == CHROMA_420;
1416 /* Adaptive MBAFF and subme 0 are not supported as we require halving motion
1417 * vectors during prediction, resulting in hpel mvs.
1418 * The chosen solution is to make MBAFF non-adaptive in this case. */
1419 h->mb.b_adaptive_mbaff = PARAM_INTERLACED && h->param.analyse.i_subpel_refine;
1422 if( h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS && !h->param.rc.b_stat_read )
1423 h->frames.i_delay = X264_MAX(h->param.i_bframe,3)*4;
1425 h->frames.i_delay = h->param.i_bframe;
1426 if( h->param.rc.b_mb_tree || h->param.rc.i_vbv_buffer_size )
1427 h->frames.i_delay = X264_MAX( h->frames.i_delay, h->param.rc.i_lookahead );
1428 i_slicetype_length = h->frames.i_delay;
1429 h->frames.i_delay += h->i_thread_frames - 1;
1430 h->frames.i_delay += h->param.i_sync_lookahead;
1431 h->frames.i_delay += h->param.b_vfr_input;
1432 h->frames.i_bframe_delay = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 2 : 1) : 0;
1434 h->frames.i_max_ref0 = h->param.i_frame_reference;
1435 h->frames.i_max_ref1 = X264_MIN( h->sps->vui.i_num_reorder_frames, h->param.i_frame_reference );
1436 h->frames.i_max_dpb = h->sps->vui.i_max_dec_frame_buffering;
1437 h->frames.b_have_lowres = !h->param.rc.b_stat_read
1438 && ( h->param.rc.i_rc_method == X264_RC_ABR
1439 || h->param.rc.i_rc_method == X264_RC_CRF
1440 || h->param.i_bframe_adaptive
1441 || h->param.i_scenecut_threshold
1442 || h->param.rc.b_mb_tree
1443 || h->param.analyse.i_weighted_pred );
1444 h->frames.b_have_lowres |= h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0;
1445 h->frames.b_have_sub8x8_esa = !!(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
1447 h->frames.i_last_idr =
1448 h->frames.i_last_keyframe = - h->param.i_keyint_max;
1449 h->frames.i_input = 0;
1450 h->frames.i_largest_pts = h->frames.i_second_largest_pts = -1;
1451 h->frames.i_poc_last_open_gop = -1;
1453 CHECKED_MALLOCZERO( h->frames.unused[0], (h->frames.i_delay + 3) * sizeof(x264_frame_t *) );
1454 /* Allocate room for max refs plus a few extra just in case. */
1455 CHECKED_MALLOCZERO( h->frames.unused[1], (h->i_thread_frames + X264_REF_MAX + 4) * sizeof(x264_frame_t *) );
1456 CHECKED_MALLOCZERO( h->frames.current, (h->param.i_sync_lookahead + h->param.i_bframe
1457 + h->i_thread_frames + 3) * sizeof(x264_frame_t *) );
1458 if( h->param.analyse.i_weighted_pred > 0 )
1459 CHECKED_MALLOCZERO( h->frames.blank_unused, h->i_thread_frames * 4 * sizeof(x264_frame_t *) );
1460 h->i_ref[0] = h->i_ref[1] = 0;
1461 h->i_cpb_delay = h->i_coded_fields = h->i_disp_fields = 0;
1462 h->i_prev_duration = ((uint64_t)h->param.i_fps_den * h->sps->vui.i_time_scale) / ((uint64_t)h->param.i_fps_num * h->sps->vui.i_num_units_in_tick);
1463 h->i_disp_fields_last_frame = -1;
1466 /* init CPU functions */
1467 x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
1468 x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
1469 x264_predict_8x16c_init( h->param.cpu, h->predict_8x16c );
1470 x264_predict_8x8_init( h->param.cpu, h->predict_8x8, &h->predict_8x8_filter );
1471 x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
1472 x264_pixel_init( h->param.cpu, &h->pixf );
1473 x264_dct_init( h->param.cpu, &h->dctf );
1474 x264_zigzag_init( h->param.cpu, &h->zigzagf_progressive, &h->zigzagf_interlaced );
1475 memcpy( &h->zigzagf, PARAM_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
1476 x264_mc_init( h->param.cpu, &h->mc, h->param.b_cpu_independent );
1477 x264_quant_init( h, h->param.cpu, &h->quantf );
1478 x264_deblock_init( h->param.cpu, &h->loopf, PARAM_INTERLACED );
1479 x264_bitstream_init( h->param.cpu, &h->bsf );
1480 if( h->param.b_cabac )
1481 x264_cabac_init( h );
1483 x264_stack_align( x264_cavlc_init, h );
1486 chroma_dsp_init( h );
1488 p = buf + sprintf( buf, "using cpu capabilities:" );
1489 for( int i = 0; x264_cpu_names[i].flags; i++ )
1491 if( !strcmp(x264_cpu_names[i].name, "SSE")
1492 && h->param.cpu & (X264_CPU_SSE2) )
1494 if( !strcmp(x264_cpu_names[i].name, "SSE2")
1495 && h->param.cpu & (X264_CPU_SSE2_IS_FAST|X264_CPU_SSE2_IS_SLOW) )
1497 if( !strcmp(x264_cpu_names[i].name, "SSE3")
1498 && (h->param.cpu & X264_CPU_SSSE3 || !(h->param.cpu & X264_CPU_CACHELINE_64)) )
1500 if( !strcmp(x264_cpu_names[i].name, "SSE4.1")
1501 && (h->param.cpu & X264_CPU_SSE42) )
1503 if( !strcmp(x264_cpu_names[i].name, "BMI1")
1504 && (h->param.cpu & X264_CPU_BMI2) )
1506 if( (h->param.cpu & x264_cpu_names[i].flags) == x264_cpu_names[i].flags
1507 && (!i || x264_cpu_names[i].flags != x264_cpu_names[i-1].flags) )
1508 p += sprintf( p, " %s", x264_cpu_names[i].name );
1511 p += sprintf( p, " none!" );
1512 x264_log( h, X264_LOG_INFO, "%s\n", buf );
1514 float *logs = x264_analyse_prepare_costs( h );
1517 for( qp = X264_MIN( h->param.rc.i_qp_min, QP_MAX_SPEC ); qp <= h->param.rc.i_qp_max; qp++ )
1518 if( x264_analyse_init_costs( h, logs, qp ) )
1520 if( x264_analyse_init_costs( h, logs, X264_LOOKAHEAD_QP ) )
1524 static const uint16_t cost_mv_correct[7] = { 24, 47, 95, 189, 379, 757, 1515 };
1525 /* Checks for known miscompilation issues. */
1526 if( h->cost_mv[X264_LOOKAHEAD_QP][2013] != cost_mv_correct[BIT_DEPTH-8] )
1528 x264_log( h, X264_LOG_ERROR, "MV cost test failed: x264 has been miscompiled!\n" );
1532 /* Must be volatile or else GCC will optimize it out. */
1533 volatile int temp = 392;
1534 if( x264_clz( temp ) != 23 )
1536 x264_log( h, X264_LOG_ERROR, "CLZ test failed: x264 has been miscompiled!\n" );
1537 #if ARCH_X86 || ARCH_X86_64
1538 x264_log( h, X264_LOG_ERROR, "Are you attempting to run an SSE4a/LZCNT-targeted build on a CPU that\n" );
1539 x264_log( h, X264_LOG_ERROR, "doesn't support it?\n" );
1545 h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 4
1546 * ( h->param.rc.i_rc_method == X264_RC_ABR ? pow( 0.95, h->param.rc.i_qp_min )
1547 : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
1549 h->nal_buffer_size = h->out.i_bitstream * 3/2 + 4 + 64; /* +4 for startcode, +64 for nal_escape assembly padding */
1550 CHECKED_MALLOC( h->nal_buffer, h->nal_buffer_size );
1552 CHECKED_MALLOC( h->reconfig_h, sizeof(x264_t) );
1554 if( h->param.i_threads > 1 &&
1555 x264_threadpool_init( &h->threadpool, h->param.i_threads, (void*)x264_encoder_thread_init, h ) )
1557 if( h->param.i_lookahead_threads > 1 &&
1558 x264_threadpool_init( &h->lookaheadpool, h->param.i_lookahead_threads, NULL, NULL ) )
1562 if( h->param.b_opencl )
1564 h->opencl.ocl = x264_opencl_load_library();
1565 if( !h->opencl.ocl )
1567 x264_log( h, X264_LOG_WARNING, "failed to load OpenCL\n" );
1568 h->param.b_opencl = 0;
1574 for( int i = 1; i < h->param.i_threads + !!h->param.i_sync_lookahead; i++ )
1575 CHECKED_MALLOC( h->thread[i], sizeof(x264_t) );
1576 if( h->param.i_lookahead_threads > 1 )
1577 for( int i = 0; i < h->param.i_lookahead_threads; i++ )
1579 CHECKED_MALLOC( h->lookahead_thread[i], sizeof(x264_t) );
1580 *h->lookahead_thread[i] = *h;
1582 *h->reconfig_h = *h;
1584 for( int i = 0; i < h->param.i_threads; i++ )
1586 int init_nal_count = h->param.i_slice_count + 3;
1587 int allocate_threadlocal_data = !h->param.b_sliced_threads || !i;
1591 if( x264_pthread_mutex_init( &h->thread[i]->mutex, NULL ) )
1593 if( x264_pthread_cond_init( &h->thread[i]->cv, NULL ) )
1596 if( allocate_threadlocal_data )
1598 h->thread[i]->fdec = x264_frame_pop_unused( h, 1 );
1599 if( !h->thread[i]->fdec )
1603 h->thread[i]->fdec = h->thread[0]->fdec;
1605 CHECKED_MALLOC( h->thread[i]->out.p_bitstream, h->out.i_bitstream );
1606 /* Start each thread with room for init_nal_count NAL units; it'll realloc later if needed. */
1607 CHECKED_MALLOC( h->thread[i]->out.nal, init_nal_count*sizeof(x264_nal_t) );
1608 h->thread[i]->out.i_nals_allocated = init_nal_count;
1610 if( allocate_threadlocal_data && x264_macroblock_cache_allocate( h->thread[i] ) < 0 )
1615 if( h->param.b_opencl && x264_opencl_lookahead_init( h ) < 0 )
1616 h->param.b_opencl = 0;
1619 if( x264_lookahead_init( h, i_slicetype_length ) )
1622 for( int i = 0; i < h->param.i_threads; i++ )
1623 if( x264_macroblock_thread_allocate( h->thread[i], 0 ) < 0 )
1626 if( x264_ratecontrol_new( h ) < 0 )
1629 if( h->param.i_nal_hrd )
1631 x264_log( h, X264_LOG_DEBUG, "HRD bitrate: %i bits/sec\n", h->sps->vui.hrd.i_bit_rate_unscaled );
1632 x264_log( h, X264_LOG_DEBUG, "CPB size: %i bits\n", h->sps->vui.hrd.i_cpb_size_unscaled );
1635 if( h->param.psz_dump_yuv )
1637 /* create or truncate the reconstructed video file */
1638 FILE *f = x264_fopen( h->param.psz_dump_yuv, "w" );
1641 x264_log( h, X264_LOG_ERROR, "dump_yuv: can't write to %s\n", h->param.psz_dump_yuv );
1644 else if( !x264_is_regular_file( f ) )
1646 x264_log( h, X264_LOG_ERROR, "dump_yuv: incompatible with non-regular file %s\n", h->param.psz_dump_yuv );
1652 const char *profile = h->sps->i_profile_idc == PROFILE_BASELINE ? "Constrained Baseline" :
1653 h->sps->i_profile_idc == PROFILE_MAIN ? "Main" :
1654 h->sps->i_profile_idc == PROFILE_HIGH ? "High" :
1655 h->sps->i_profile_idc == PROFILE_HIGH10 ? (h->sps->b_constraint_set3 == 1 ? "High 10 Intra" : "High 10") :
1656 h->sps->i_profile_idc == PROFILE_HIGH422 ? (h->sps->b_constraint_set3 == 1 ? "High 4:2:2 Intra" : "High 4:2:2") :
1657 h->sps->b_constraint_set3 == 1 ? "High 4:4:4 Intra" : "High 4:4:4 Predictive";
1659 snprintf( level, sizeof(level), "%d.%d", h->sps->i_level_idc/10, h->sps->i_level_idc%10 );
1660 if( h->sps->i_level_idc == 9 || ( h->sps->i_level_idc == 11 && h->sps->b_constraint_set3 &&
1661 (h->sps->i_profile_idc == PROFILE_BASELINE || h->sps->i_profile_idc == PROFILE_MAIN) ) )
1662 strcpy( level, "1b" );
1664 if( h->sps->i_profile_idc < PROFILE_HIGH10 )
1666 x264_log( h, X264_LOG_INFO, "profile %s, level %s\n",
1671 static const char * const subsampling[4] = { "4:0:0", "4:2:0", "4:2:2", "4:4:4" };
1672 x264_log( h, X264_LOG_INFO, "profile %s, level %s, %s %d-bit\n",
1673 profile, level, subsampling[CHROMA_FORMAT], BIT_DEPTH );
1682 /****************************************************************************/
1683 static int x264_encoder_try_reconfig( x264_t *h, x264_param_t *param, int *rc_reconfig )
1686 x264_set_aspect_ratio( h, param, 0 );
1687 #define COPY(var) h->param.var = param->var
1688 COPY( i_frame_reference ); // but never uses more refs than initially specified
1689 COPY( i_bframe_bias );
1690 if( h->param.i_scenecut_threshold )
1691 COPY( i_scenecut_threshold ); // can't turn it on or off, only vary the threshold
1692 COPY( b_deblocking_filter );
1693 COPY( i_deblocking_filter_alphac0 );
1694 COPY( i_deblocking_filter_beta );
1695 COPY( i_frame_packing );
1696 COPY( analyse.inter );
1697 COPY( analyse.intra );
1698 COPY( analyse.i_direct_mv_pred );
1699 /* Scratch buffer prevents me_range from being increased for esa/tesa */
1700 if( h->param.analyse.i_me_method < X264_ME_ESA || param->analyse.i_me_range < h->param.analyse.i_me_range )
1701 COPY( analyse.i_me_range );
1702 COPY( analyse.i_noise_reduction );
1703 /* We can't switch out of subme=0 during encoding. */
1704 if( h->param.analyse.i_subpel_refine )
1705 COPY( analyse.i_subpel_refine );
1706 COPY( analyse.i_trellis );
1707 COPY( analyse.b_chroma_me );
1708 COPY( analyse.b_dct_decimate );
1709 COPY( analyse.b_fast_pskip );
1710 COPY( analyse.b_mixed_references );
1711 COPY( analyse.f_psy_rd );
1712 COPY( analyse.f_psy_trellis );
1714 // can only twiddle these if they were enabled to begin with:
1715 if( h->param.analyse.i_me_method >= X264_ME_ESA || param->analyse.i_me_method < X264_ME_ESA )
1716 COPY( analyse.i_me_method );
1717 if( h->param.analyse.i_me_method >= X264_ME_ESA && !h->frames.b_have_sub8x8_esa )
1718 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
1719 if( h->pps->b_transform_8x8_mode )
1720 COPY( analyse.b_transform_8x8 );
1721 if( h->frames.i_max_ref1 > 1 )
1722 COPY( i_bframe_pyramid );
1723 COPY( i_slice_max_size );
1724 COPY( i_slice_max_mbs );
1725 COPY( i_slice_min_mbs );
1726 COPY( i_slice_count );
1727 COPY( i_slice_count_max );
1730 /* VBV can't be turned on if it wasn't on to begin with */
1731 if( h->param.rc.i_vbv_max_bitrate > 0 && h->param.rc.i_vbv_buffer_size > 0 &&
1732 param->rc.i_vbv_max_bitrate > 0 && param->rc.i_vbv_buffer_size > 0 )
1734 *rc_reconfig |= h->param.rc.i_vbv_max_bitrate != param->rc.i_vbv_max_bitrate;
1735 *rc_reconfig |= h->param.rc.i_vbv_buffer_size != param->rc.i_vbv_buffer_size;
1736 *rc_reconfig |= h->param.rc.i_bitrate != param->rc.i_bitrate;
1737 COPY( rc.i_vbv_max_bitrate );
1738 COPY( rc.i_vbv_buffer_size );
1739 COPY( rc.i_bitrate );
1741 *rc_reconfig |= h->param.rc.f_rf_constant != param->rc.f_rf_constant;
1742 *rc_reconfig |= h->param.rc.f_rf_constant_max != param->rc.f_rf_constant_max;
1743 COPY( rc.f_rf_constant );
1744 COPY( rc.f_rf_constant_max );
1747 return x264_validate_parameters( h, 0 );
1750 int x264_encoder_reconfig_apply( x264_t *h, x264_param_t *param )
1753 int ret = x264_encoder_try_reconfig( h, param, &rc_reconfig );
1757 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1759 /* Supported reconfiguration options (1-pass only):
1763 * bitrate (CBR only) */
1764 if( !ret && rc_reconfig )
1765 x264_ratecontrol_init_reconfigurable( h, 0 );
1770 /****************************************************************************
1771 * x264_encoder_reconfig:
1772 ****************************************************************************/
1773 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
1775 h = h->thread[h->thread[0]->i_thread_phase];
1776 x264_param_t param_save = h->reconfig_h->param;
1777 h->reconfig_h->param = h->param;
1780 int ret = x264_encoder_try_reconfig( h->reconfig_h, param, &rc_reconfig );
1784 h->reconfig_h->param = param_save;
1789 /****************************************************************************
1790 * x264_encoder_parameters:
1791 ****************************************************************************/
1792 void x264_encoder_parameters( x264_t *h, x264_param_t *param )
1794 memcpy( param, &h->thread[h->i_thread_phase]->param, sizeof(x264_param_t) );
1797 /* internal usage */
1798 static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
1800 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1802 nal->i_ref_idc = i_ref_idc;
1803 nal->i_type = i_type;
1804 nal->b_long_startcode = 1;
1807 nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1811 /* if number of allocated nals is not enough, re-allocate a larger one. */
1812 static int x264_nal_check_buffer( x264_t *h )
1814 if( h->out.i_nal >= h->out.i_nals_allocated )
1816 x264_nal_t *new_out = x264_malloc( sizeof(x264_nal_t) * (h->out.i_nals_allocated*2) );
1819 memcpy( new_out, h->out.nal, sizeof(x264_nal_t) * (h->out.i_nals_allocated) );
1820 x264_free( h->out.nal );
1821 h->out.nal = new_out;
1822 h->out.i_nals_allocated *= 2;
1827 static int x264_nal_end( x264_t *h )
1829 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1830 uint8_t *end = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1831 nal->i_payload = end - nal->p_payload;
1832 /* Assembly implementation of nal_escape reads past the end of the input.
1833 * While undefined padding wouldn't actually affect the output, it makes valgrind unhappy. */
1834 memset( end, 0xff, 64 );
1835 if( h->param.nalu_process )
1836 h->param.nalu_process( h, nal, h->fenc->opaque );
1839 return x264_nal_check_buffer( h );
1842 static int x264_check_encapsulated_buffer( x264_t *h, x264_t *h0, int start,
1843 int previous_nal_size, int necessary_size )
1845 if( h0->nal_buffer_size < necessary_size )
1847 necessary_size *= 2;
1848 uint8_t *buf = x264_malloc( necessary_size );
1851 if( previous_nal_size )
1852 memcpy( buf, h0->nal_buffer, previous_nal_size );
1854 intptr_t delta = buf - h0->nal_buffer;
1855 for( int i = 0; i < start; i++ )
1856 h->out.nal[i].p_payload += delta;
1858 x264_free( h0->nal_buffer );
1859 h0->nal_buffer = buf;
1860 h0->nal_buffer_size = necessary_size;
1866 static int x264_encoder_encapsulate_nals( x264_t *h, int start )
1868 x264_t *h0 = h->thread[0];
1869 int nal_size = 0, previous_nal_size = 0;
1871 if( h->param.nalu_process )
1873 for( int i = start; i < h->out.i_nal; i++ )
1874 nal_size += h->out.nal[i].i_payload;
1878 for( int i = 0; i < start; i++ )
1879 previous_nal_size += h->out.nal[i].i_payload;
1881 for( int i = start; i < h->out.i_nal; i++ )
1882 nal_size += h->out.nal[i].i_payload;
1884 /* Worst-case NAL unit escaping: reallocate the buffer if it's too small. */
1885 int necessary_size = previous_nal_size + nal_size * 3/2 + h->out.i_nal * 4 + 4 + 64;
1886 for( int i = start; i < h->out.i_nal; i++ )
1887 necessary_size += h->out.nal[i].i_padding;
1888 if( x264_check_encapsulated_buffer( h, h0, start, previous_nal_size, necessary_size ) )
1891 uint8_t *nal_buffer = h0->nal_buffer + previous_nal_size;
1893 for( int i = start; i < h->out.i_nal; i++ )
1895 int old_payload_len = h->out.nal[i].i_payload;
1896 h->out.nal[i].b_long_startcode = !i || h->out.nal[i].i_type == NAL_SPS || h->out.nal[i].i_type == NAL_PPS ||
1897 h->param.b_avcintra_compat;
1898 x264_nal_encode( h, nal_buffer, &h->out.nal[i] );
1899 nal_buffer += h->out.nal[i].i_payload;
1900 if( h->param.b_avcintra_compat )
1902 h->out.nal[i].i_padding -= h->out.nal[i].i_payload - (old_payload_len + NALU_OVERHEAD);
1903 if( h->out.nal[i].i_padding > 0 )
1905 memset( nal_buffer, 0, h->out.nal[i].i_padding );
1906 nal_buffer += h->out.nal[i].i_padding;
1907 h->out.nal[i].i_payload += h->out.nal[i].i_padding;
1909 h->out.nal[i].i_padding = X264_MAX( h->out.nal[i].i_padding, 0 );
1915 return nal_buffer - (h0->nal_buffer + previous_nal_size);
1918 /****************************************************************************
1919 * x264_encoder_headers:
1920 ****************************************************************************/
1921 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
1924 /* init bitstream context */
1926 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
1928 /* Write SEI, SPS and PPS. */
1930 /* generate sequence parameters */
1931 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
1932 x264_sps_write( &h->out.bs, h->sps );
1933 if( x264_nal_end( h ) )
1936 /* generate picture parameters */
1937 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
1938 x264_pps_write( &h->out.bs, h->sps, h->pps );
1939 if( x264_nal_end( h ) )
1942 /* identify ourselves */
1943 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
1944 if( x264_sei_version_write( h, &h->out.bs ) )
1946 if( x264_nal_end( h ) )
1949 frame_size = x264_encoder_encapsulate_nals( h, 0 );
1950 if( frame_size < 0 )
1954 *pi_nal = h->out.i_nal;
1955 *pp_nal = &h->out.nal[0];
1961 /* Check to see whether we have chosen a reference list ordering different
1962 * from the standard's default. */
1963 static inline void x264_reference_check_reorder( x264_t *h )
1965 /* The reorder check doesn't check for missing frames, so just
1966 * force a reorder if one of the reference list is corrupt. */
1967 for( int i = 0; h->frames.reference[i]; i++ )
1968 if( h->frames.reference[i]->b_corrupt )
1970 h->b_ref_reorder[0] = 1;
1973 for( int list = 0; list <= (h->sh.i_type == SLICE_TYPE_B); list++ )
1974 for( int i = 0; i < h->i_ref[list] - 1; i++ )
1976 int framenum_diff = h->fref[list][i+1]->i_frame_num - h->fref[list][i]->i_frame_num;
1977 int poc_diff = h->fref[list][i+1]->i_poc - h->fref[list][i]->i_poc;
1978 /* P and B-frames use different default orders. */
1979 if( h->sh.i_type == SLICE_TYPE_P ? framenum_diff > 0 : list == 1 ? poc_diff < 0 : poc_diff > 0 )
1981 h->b_ref_reorder[list] = 1;
1987 /* return -1 on failure, else return the index of the new reference frame */
1988 int x264_weighted_reference_duplicate( x264_t *h, int i_ref, const x264_weight_t *w )
1990 int i = h->i_ref[0];
1992 x264_frame_t *newframe;
1993 if( i <= 1 ) /* empty list, definitely can't duplicate frame */
1996 //Duplication is only used in X264_WEIGHTP_SMART
1997 if( h->param.analyse.i_weighted_pred != X264_WEIGHTP_SMART )
2000 /* Duplication is a hack to compensate for crappy rounding in motion compensation.
2001 * With high bit depth, it's not worth doing, so turn it off except in the case of
2002 * unweighted dupes. */
2003 if( BIT_DEPTH > 8 && w != x264_weight_none )
2006 newframe = x264_frame_pop_blank_unused( h );
2010 //FIXME: probably don't need to copy everything
2011 *newframe = *h->fref[0][i_ref];
2012 newframe->i_reference_count = 1;
2013 newframe->orig = h->fref[0][i_ref];
2014 newframe->b_duplicate = 1;
2015 memcpy( h->fenc->weight[j], w, sizeof(h->fenc->weight[i]) );
2017 /* shift the frames to make space for the dupe. */
2018 h->b_ref_reorder[0] = 1;
2019 if( h->i_ref[0] < X264_REF_MAX )
2021 h->fref[0][X264_REF_MAX-1] = NULL;
2022 x264_frame_unshift( &h->fref[0][j], newframe );
2027 static void x264_weighted_pred_init( x264_t *h )
2029 /* for now no analysis and set all weights to nothing */
2030 for( int i_ref = 0; i_ref < h->i_ref[0]; i_ref++ )
2031 h->fenc->weighted[i_ref] = h->fref[0][i_ref]->filtered[0][0];
2033 // FIXME: This only supports weighting of one reference frame
2034 // and duplicates of that frame.
2035 h->fenc->i_lines_weighted = 0;
2037 for( int i_ref = 0; i_ref < (h->i_ref[0] << SLICE_MBAFF); i_ref++ )
2038 for( int i = 0; i < 3; i++ )
2039 h->sh.weight[i_ref][i].weightfn = NULL;
2042 if( h->sh.i_type != SLICE_TYPE_P || h->param.analyse.i_weighted_pred <= 0 )
2045 int i_padv = PADV << PARAM_INTERLACED;
2047 int weightplane[2] = { 0, 0 };
2048 int buffer_next = 0;
2049 for( int i = 0; i < 3; i++ )
2051 for( int j = 0; j < h->i_ref[0]; j++ )
2053 if( h->fenc->weight[j][i].weightfn )
2055 h->sh.weight[j][i] = h->fenc->weight[j][i];
2056 // if weight is useless, don't write it to stream
2057 if( h->sh.weight[j][i].i_scale == 1<<h->sh.weight[j][i].i_denom && h->sh.weight[j][i].i_offset == 0 )
2058 h->sh.weight[j][i].weightfn = NULL;
2061 if( !weightplane[!!i] )
2063 weightplane[!!i] = 1;
2064 h->sh.weight[0][!!i].i_denom = denom = h->sh.weight[j][i].i_denom;
2065 assert( x264_clip3( denom, 0, 7 ) == denom );
2068 assert( h->sh.weight[j][i].i_denom == denom );
2071 h->fenc->weighted[j] = h->mb.p_weight_buf[buffer_next++] + h->fenc->i_stride[0] * i_padv + PADH;
2072 //scale full resolution frame
2073 if( h->param.i_threads == 1 )
2075 pixel *src = h->fref[0][j]->filtered[0][0] - h->fref[0][j]->i_stride[0]*i_padv - PADH;
2076 pixel *dst = h->fenc->weighted[j] - h->fenc->i_stride[0]*i_padv - PADH;
2077 int stride = h->fenc->i_stride[0];
2078 int width = h->fenc->i_width[0] + PADH*2;
2079 int height = h->fenc->i_lines[0] + i_padv*2;
2080 x264_weight_scale_plane( h, dst, stride, src, stride, width, height, &h->sh.weight[j][0] );
2081 h->fenc->i_lines_weighted = height;
2089 if( weightplane[1] )
2090 for( int i = 0; i < h->i_ref[0]; i++ )
2092 if( h->sh.weight[i][1].weightfn && !h->sh.weight[i][2].weightfn )
2094 h->sh.weight[i][2].i_scale = 1 << h->sh.weight[0][1].i_denom;
2095 h->sh.weight[i][2].i_offset = 0;
2097 else if( h->sh.weight[i][2].weightfn && !h->sh.weight[i][1].weightfn )
2099 h->sh.weight[i][1].i_scale = 1 << h->sh.weight[0][1].i_denom;
2100 h->sh.weight[i][1].i_offset = 0;
2104 if( !weightplane[0] )
2105 h->sh.weight[0][0].i_denom = 0;
2106 if( !weightplane[1] )
2107 h->sh.weight[0][1].i_denom = 0;
2108 h->sh.weight[0][2].i_denom = h->sh.weight[0][1].i_denom;
2111 static inline int x264_reference_distance( x264_t *h, x264_frame_t *frame )
2113 if( h->param.i_frame_packing == 5 )
2114 return abs((h->fenc->i_frame&~1) - (frame->i_frame&~1)) +
2115 ((h->fenc->i_frame&1) != (frame->i_frame&1));
2117 return abs(h->fenc->i_frame - frame->i_frame);
2120 static inline void x264_reference_build_list( x264_t *h, int i_poc )
2124 /* build ref list 0/1 */
2125 h->mb.pic.i_fref[0] = h->i_ref[0] = 0;
2126 h->mb.pic.i_fref[1] = h->i_ref[1] = 0;
2127 if( h->sh.i_type == SLICE_TYPE_I )
2130 for( int i = 0; h->frames.reference[i]; i++ )
2132 if( h->frames.reference[i]->b_corrupt )
2134 if( h->frames.reference[i]->i_poc < i_poc )
2135 h->fref[0][h->i_ref[0]++] = h->frames.reference[i];
2136 else if( h->frames.reference[i]->i_poc > i_poc )
2137 h->fref[1][h->i_ref[1]++] = h->frames.reference[i];
2140 /* Order reference lists by distance from the current frame. */
2141 for( int list = 0; list < 2; list++ )
2143 h->fref_nearest[list] = h->fref[list][0];
2147 for( int i = 0; i < h->i_ref[list] - 1; i++ )
2149 if( list ? h->fref[list][i+1]->i_poc < h->fref_nearest[list]->i_poc
2150 : h->fref[list][i+1]->i_poc > h->fref_nearest[list]->i_poc )
2151 h->fref_nearest[list] = h->fref[list][i+1];
2152 if( x264_reference_distance( h, h->fref[list][i] ) > x264_reference_distance( h, h->fref[list][i+1] ) )
2154 XCHG( x264_frame_t*, h->fref[list][i], h->fref[list][i+1] );
2162 if( h->sh.i_mmco_remove_from_end )
2163 for( int i = h->i_ref[0]-1; i >= h->i_ref[0] - h->sh.i_mmco_remove_from_end; i-- )
2165 int diff = h->i_frame_num - h->fref[0][i]->i_frame_num;
2166 h->sh.mmco[h->sh.i_mmco_command_count].i_poc = h->fref[0][i]->i_poc;
2167 h->sh.mmco[h->sh.i_mmco_command_count++].i_difference_of_pic_nums = diff;
2170 x264_reference_check_reorder( h );
2172 h->i_ref[1] = X264_MIN( h->i_ref[1], h->frames.i_max_ref1 );
2173 h->i_ref[0] = X264_MIN( h->i_ref[0], h->frames.i_max_ref0 );
2174 h->i_ref[0] = X264_MIN( h->i_ref[0], h->param.i_frame_reference ); // if reconfig() has lowered the limit
2176 /* For Blu-ray compliance, don't reference frames outside of the minigop. */
2177 if( IS_X264_TYPE_B( h->fenc->i_type ) && h->param.b_bluray_compat )
2178 h->i_ref[0] = X264_MIN( h->i_ref[0], IS_X264_TYPE_B( h->fref[0][0]->i_type ) + 1 );
2180 /* add duplicates */
2181 if( h->fenc->i_type == X264_TYPE_P )
2184 if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
2187 w[1].weightfn = w[2].weightfn = NULL;
2188 if( h->param.rc.b_stat_read )
2189 x264_ratecontrol_set_weights( h, h->fenc );
2191 if( !h->fenc->weight[0][0].weightfn )
2193 h->fenc->weight[0][0].i_denom = 0;
2194 SET_WEIGHT( w[0], 1, 1, 0, -1 );
2195 idx = x264_weighted_reference_duplicate( h, 0, w );
2199 if( h->fenc->weight[0][0].i_scale == 1<<h->fenc->weight[0][0].i_denom )
2201 SET_WEIGHT( h->fenc->weight[0][0], 1, 1, 0, h->fenc->weight[0][0].i_offset );
2203 x264_weighted_reference_duplicate( h, 0, x264_weight_none );
2204 if( h->fenc->weight[0][0].i_offset > -128 )
2206 w[0] = h->fenc->weight[0][0];
2208 h->mc.weight_cache( h, &w[0] );
2209 idx = x264_weighted_reference_duplicate( h, 0, w );
2213 h->mb.ref_blind_dupe = idx;
2216 assert( h->i_ref[0] + h->i_ref[1] <= X264_REF_MAX );
2217 h->mb.pic.i_fref[0] = h->i_ref[0];
2218 h->mb.pic.i_fref[1] = h->i_ref[1];
2221 static void x264_fdec_filter_row( x264_t *h, int mb_y, int pass )
2223 /* mb_y is the mb to be encoded next, not the mb to be filtered here */
2224 int b_hpel = h->fdec->b_kept_as_ref;
2225 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
2226 int b_end = mb_y == h->i_threadslice_end;
2227 int b_measure_quality = 1;
2228 int min_y = mb_y - (1 << SLICE_MBAFF);
2229 int b_start = min_y == h->i_threadslice_start;
2230 /* Even in interlaced mode, deblocking never modifies more than 4 pixels
2231 * above each MB, as bS=4 doesn't happen for the top of interlaced mbpairs. */
2232 int minpix_y = min_y*16 - 4 * !b_start;
2233 int maxpix_y = mb_y*16 - 4 * !b_end;
2234 b_deblock &= b_hpel || h->param.b_full_recon || h->param.psz_dump_yuv;
2235 if( h->param.b_sliced_threads )
2239 /* During encode: only do deblock if asked for */
2242 b_deblock &= h->param.b_full_recon;
2245 /* During post-encode pass: do deblock if not done yet, do hpel for all
2246 * rows except those between slices. */
2248 b_deblock &= !h->param.b_full_recon;
2249 b_hpel &= !(b_start && min_y > 0);
2250 b_measure_quality = 0;
2252 /* Final pass: do the rows between slices in sequence. */
2255 b_measure_quality = 0;
2259 if( mb_y & SLICE_MBAFF )
2261 if( min_y < h->i_threadslice_start )
2265 for( int y = min_y; y < mb_y; y += (1 << SLICE_MBAFF) )
2266 x264_frame_deblock_row( h, y );
2268 /* FIXME: Prediction requires different borders for interlaced/progressive mc,
2269 * but the actual image data is equivalent. For now, maintain this
2270 * consistency by copying deblocked pixels between planes. */
2271 if( PARAM_INTERLACED && (!h->param.b_sliced_threads || pass == 1) )
2272 for( int p = 0; p < h->fdec->i_plane; p++ )
2273 for( int i = minpix_y>>(CHROMA_V_SHIFT && p); i < maxpix_y>>(CHROMA_V_SHIFT && p); i++ )
2274 memcpy( h->fdec->plane_fld[p] + i*h->fdec->i_stride[p],
2275 h->fdec->plane[p] + i*h->fdec->i_stride[p],
2276 h->mb.i_mb_width*16*sizeof(pixel) );
2278 if( h->fdec->b_kept_as_ref && (!h->param.b_sliced_threads || pass == 1) )
2279 x264_frame_expand_border( h, h->fdec, min_y );
2282 int end = mb_y == h->mb.i_mb_height;
2283 /* Can't do hpel until the previous slice is done encoding. */
2284 if( h->param.analyse.i_subpel_refine )
2286 x264_frame_filter( h, h->fdec, min_y, end );
2287 x264_frame_expand_border_filtered( h, h->fdec, min_y, end );
2291 if( SLICE_MBAFF && pass == 0 )
2292 for( int i = 0; i < 3; i++ )
2294 XCHG( pixel *, h->intra_border_backup[0][i], h->intra_border_backup[3][i] );
2295 XCHG( pixel *, h->intra_border_backup[1][i], h->intra_border_backup[4][i] );
2298 if( h->i_thread_frames > 1 && h->fdec->b_kept_as_ref )
2299 x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << SLICE_MBAFF)) );
2301 if( b_measure_quality )
2303 maxpix_y = X264_MIN( maxpix_y, h->param.i_height );
2304 if( h->param.analyse.b_psnr )
2306 for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
2307 h->stat.frame.i_ssd[p] += x264_pixel_ssd_wxh( &h->pixf,
2308 h->fdec->plane[p] + minpix_y * h->fdec->i_stride[p], h->fdec->i_stride[p],
2309 h->fenc->plane[p] + minpix_y * h->fenc->i_stride[p], h->fenc->i_stride[p],
2310 h->param.i_width, maxpix_y-minpix_y );
2313 uint64_t ssd_u, ssd_v;
2314 int v_shift = CHROMA_V_SHIFT;
2315 x264_pixel_ssd_nv12( &h->pixf,
2316 h->fdec->plane[1] + (minpix_y>>v_shift) * h->fdec->i_stride[1], h->fdec->i_stride[1],
2317 h->fenc->plane[1] + (minpix_y>>v_shift) * h->fenc->i_stride[1], h->fenc->i_stride[1],
2318 h->param.i_width>>1, (maxpix_y-minpix_y)>>v_shift, &ssd_u, &ssd_v );
2319 h->stat.frame.i_ssd[1] += ssd_u;
2320 h->stat.frame.i_ssd[2] += ssd_v;
2324 if( h->param.analyse.b_ssim )
2328 /* offset by 2 pixels to avoid alignment of ssim blocks with dct blocks,
2329 * and overlap by 4 */
2330 minpix_y += b_start ? 2 : -6;
2331 h->stat.frame.f_ssim +=
2332 x264_pixel_ssim_wxh( &h->pixf,
2333 h->fdec->plane[0] + 2+minpix_y*h->fdec->i_stride[0], h->fdec->i_stride[0],
2334 h->fenc->plane[0] + 2+minpix_y*h->fenc->i_stride[0], h->fenc->i_stride[0],
2335 h->param.i_width-2, maxpix_y-minpix_y, h->scratch_buffer, &ssim_cnt );
2336 h->stat.frame.i_ssim_cnt += ssim_cnt;
2341 static inline int x264_reference_update( x264_t *h )
2343 if( !h->fdec->b_kept_as_ref )
2345 if( h->i_thread_frames > 1 )
2347 x264_frame_push_unused( h, h->fdec );
2348 h->fdec = x264_frame_pop_unused( h, 1 );
2355 /* apply mmco from previous frame. */
2356 for( int i = 0; i < h->sh.i_mmco_command_count; i++ )
2357 for( int j = 0; h->frames.reference[j]; j++ )
2358 if( h->frames.reference[j]->i_poc == h->sh.mmco[i].i_poc )
2359 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[j] ) );
2361 /* move frame in the buffer */
2362 x264_frame_push( h->frames.reference, h->fdec );
2363 if( h->frames.reference[h->sps->i_num_ref_frames] )
2364 x264_frame_push_unused( h, x264_frame_shift( h->frames.reference ) );
2365 h->fdec = x264_frame_pop_unused( h, 1 );
2371 static inline void x264_reference_reset( x264_t *h )
2373 while( h->frames.reference[0] )
2374 x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
2379 static inline void x264_reference_hierarchy_reset( x264_t *h )
2382 int b_hasdelayframe = 0;
2384 /* look for delay frames -- chain must only contain frames that are disposable */
2385 for( int i = 0; h->frames.current[i] && IS_DISPOSABLE( h->frames.current[i]->i_type ); i++ )
2386 b_hasdelayframe |= h->frames.current[i]->i_coded
2387 != h->frames.current[i]->i_frame + h->sps->vui.i_num_reorder_frames;
2389 /* This function must handle b-pyramid and clear frames for open-gop */
2390 if( h->param.i_bframe_pyramid != X264_B_PYRAMID_STRICT && !b_hasdelayframe && h->frames.i_poc_last_open_gop == -1 )
2393 /* Remove last BREF. There will never be old BREFs in the
2394 * dpb during a BREF decode when pyramid == STRICT */
2395 for( ref = 0; h->frames.reference[ref]; ref++ )
2397 if( ( h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT
2398 && h->frames.reference[ref]->i_type == X264_TYPE_BREF )
2399 || ( h->frames.reference[ref]->i_poc < h->frames.i_poc_last_open_gop
2400 && h->sh.i_type != SLICE_TYPE_B ) )
2402 int diff = h->i_frame_num - h->frames.reference[ref]->i_frame_num;
2403 h->sh.mmco[h->sh.i_mmco_command_count].i_difference_of_pic_nums = diff;
2404 h->sh.mmco[h->sh.i_mmco_command_count++].i_poc = h->frames.reference[ref]->i_poc;
2405 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[ref] ) );
2406 h->b_ref_reorder[0] = 1;
2411 /* Prepare room in the dpb for the delayed display time of the later b-frame's */
2412 if( h->param.i_bframe_pyramid )
2413 h->sh.i_mmco_remove_from_end = X264_MAX( ref + 2 - h->frames.i_max_dpb, 0 );
2416 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
2418 /* ------------------------ Create slice header ----------------------- */
2419 if( i_nal_type == NAL_SLICE_IDR )
2421 x264_slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp );
2424 h->i_idr_pic_id ^= 1;
2428 x264_slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp );
2430 h->sh.i_num_ref_idx_l0_active = h->i_ref[0] <= 0 ? 1 : h->i_ref[0];
2431 h->sh.i_num_ref_idx_l1_active = h->i_ref[1] <= 0 ? 1 : h->i_ref[1];
2432 if( h->sh.i_num_ref_idx_l0_active != h->pps->i_num_ref_idx_l0_default_active ||
2433 (h->sh.i_type == SLICE_TYPE_B && h->sh.i_num_ref_idx_l1_active != h->pps->i_num_ref_idx_l1_default_active) )
2435 h->sh.b_num_ref_idx_override = 1;
2439 if( h->fenc->i_type == X264_TYPE_BREF && h->param.b_bluray_compat && h->sh.i_mmco_command_count )
2442 h->sh_backup = h->sh;
2445 h->fdec->i_frame_num = h->sh.i_frame_num;
2447 if( h->sps->i_poc_type == 0 )
2449 h->sh.i_poc = h->fdec->i_poc;
2450 if( PARAM_INTERLACED )
2452 h->sh.i_delta_poc_bottom = h->param.b_tff ? 1 : -1;
2453 h->sh.i_poc += h->sh.i_delta_poc_bottom == -1;
2456 h->sh.i_delta_poc_bottom = 0;
2457 h->fdec->i_delta_poc[0] = h->sh.i_delta_poc_bottom == -1;
2458 h->fdec->i_delta_poc[1] = h->sh.i_delta_poc_bottom == 1;
2462 /* Nothing to do ? */
2465 x264_macroblock_slice_init( h );
2471 uint8_t cabac_prevbyte;
2474 x264_frame_stat_t stat;
2477 int field_decoding_flag;
2480 static ALWAYS_INLINE void x264_bitstream_backup( x264_t *h, x264_bs_bak_t *bak, int i_skip, int full )
2484 bak->stat = h->stat.frame;
2485 bak->last_qp = h->mb.i_last_qp;
2486 bak->last_dqp = h->mb.i_last_dqp;
2487 bak->field_decoding_flag = h->mb.field_decoding_flag;
2491 bak->stat.i_mv_bits = h->stat.frame.i_mv_bits;
2492 bak->stat.i_tex_bits = h->stat.frame.i_tex_bits;
2494 /* In the per-MB backup, we don't need the contexts because flushing the CABAC
2495 * encoder has no context dependency and in this case, a slice is ended (and
2496 * thus the content of all contexts are thrown away). */
2497 if( h->param.b_cabac )
2500 memcpy( &bak->cabac, &h->cabac, sizeof(x264_cabac_t) );
2502 memcpy( &bak->cabac, &h->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
2503 /* x264's CABAC writer modifies the previous byte during carry, so it has to be
2505 bak->cabac_prevbyte = h->cabac.p[-1];
2509 bak->bs = h->out.bs;
2514 static ALWAYS_INLINE void x264_bitstream_restore( x264_t *h, x264_bs_bak_t *bak, int *skip, int full )
2518 h->stat.frame = bak->stat;
2519 h->mb.i_last_qp = bak->last_qp;
2520 h->mb.i_last_dqp = bak->last_dqp;
2521 h->mb.field_decoding_flag = bak->field_decoding_flag;
2525 h->stat.frame.i_mv_bits = bak->stat.i_mv_bits;
2526 h->stat.frame.i_tex_bits = bak->stat.i_tex_bits;
2528 if( h->param.b_cabac )
2531 memcpy( &h->cabac, &bak->cabac, sizeof(x264_cabac_t) );
2533 memcpy( &h->cabac, &bak->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
2534 h->cabac.p[-1] = bak->cabac_prevbyte;
2538 h->out.bs = bak->bs;
2543 static int x264_slice_write( x264_t *h )
2546 int mb_xy, i_mb_x, i_mb_y;
2547 /* NALUs other than the first use a 3-byte startcode.
2548 * Add one extra byte for the rbsp, and one more for the final CABAC putbyte.
2549 * Then add an extra 5 bytes just in case, to account for random NAL escapes and
2550 * other inaccuracies. */
2551 int overhead_guess = (NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal)) + 1 + h->param.b_cabac + 5;
2552 int slice_max_size = h->param.i_slice_max_size > 0 ? (h->param.i_slice_max_size-overhead_guess)*8 : 0;
2553 int back_up_bitstream = slice_max_size || (!h->param.b_cabac && h->sps->i_profile_idc < PROFILE_HIGH);
2554 int starting_bits = bs_pos(&h->out.bs);
2555 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
2556 int b_hpel = h->fdec->b_kept_as_ref;
2557 int orig_last_mb = h->sh.i_last_mb;
2558 int thread_last_mb = h->i_threadslice_end * h->mb.i_mb_width - 1;
2559 uint8_t *last_emu_check;
2560 #define BS_BAK_SLICE_MAX_SIZE 0
2561 #define BS_BAK_SLICE_MIN_MBS 1
2562 #define BS_BAK_ROW_VBV 2
2563 x264_bs_bak_t bs_bak[3];
2564 b_deblock &= b_hpel || h->param.b_full_recon || h->param.psz_dump_yuv;
2565 bs_realign( &h->out.bs );
2568 x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
2569 h->out.nal[h->out.i_nal].i_first_mb = h->sh.i_first_mb;
2572 x264_macroblock_thread_init( h );
2574 /* Set the QP equal to the first QP in the slice for more accurate CABAC initialization. */
2575 h->mb.i_mb_xy = h->sh.i_first_mb;
2576 h->sh.i_qp = x264_ratecontrol_mb_qp( h );
2577 h->sh.i_qp = SPEC_QP( h->sh.i_qp );
2578 h->sh.i_qp_delta = h->sh.i_qp - h->pps->i_pic_init_qp;
2580 x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
2581 if( h->param.b_cabac )
2583 /* alignment needed */
2584 bs_align_1( &h->out.bs );
2587 x264_cabac_context_init( h, &h->cabac, h->sh.i_type, x264_clip3( h->sh.i_qp-QP_BD_OFFSET, 0, 51 ), h->sh.i_cabac_init_idc );
2588 x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
2589 last_emu_check = h->cabac.p;
2592 last_emu_check = h->out.bs.p;
2593 h->mb.i_last_qp = h->sh.i_qp;
2594 h->mb.i_last_dqp = 0;
2595 h->mb.field_decoding_flag = 0;
2597 i_mb_y = h->sh.i_first_mb / h->mb.i_mb_width;
2598 i_mb_x = h->sh.i_first_mb % h->mb.i_mb_width;
2603 mb_xy = i_mb_x + i_mb_y * h->mb.i_mb_width;
2604 int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
2608 if( x264_bitstream_check_buffer( h ) )
2610 if( !(i_mb_y & SLICE_MBAFF) && h->param.rc.i_vbv_buffer_size )
2611 x264_bitstream_backup( h, &bs_bak[BS_BAK_ROW_VBV], i_skip, 1 );
2612 if( !h->mb.b_reencode_mb )
2613 x264_fdec_filter_row( h, i_mb_y, 0 );
2616 if( !(i_mb_y & SLICE_MBAFF) && back_up_bitstream )
2618 x264_bitstream_backup( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], i_skip, 0 );
2619 if( slice_max_size && (thread_last_mb+1-mb_xy) == h->param.i_slice_min_mbs )
2620 x264_bitstream_backup( h, &bs_bak[BS_BAK_SLICE_MIN_MBS], i_skip, 0 );
2623 if( PARAM_INTERLACED )
2625 if( h->mb.b_adaptive_mbaff )
2629 /* FIXME: VSAD is fast but fairly poor at choosing the best interlace type. */
2630 h->mb.b_interlaced = x264_field_vsad( h, i_mb_x, i_mb_y );
2631 memcpy( &h->zigzagf, MB_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
2632 if( !MB_INTERLACED && (i_mb_y+2) == h->mb.i_mb_height )
2633 x264_expand_border_mbpair( h, i_mb_x, i_mb_y );
2636 h->mb.field[mb_xy] = MB_INTERLACED;
2641 x264_macroblock_cache_load_interlaced( h, i_mb_x, i_mb_y );
2643 x264_macroblock_cache_load_progressive( h, i_mb_x, i_mb_y );
2645 x264_macroblock_analyse( h );
2647 /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
2649 x264_macroblock_encode( h );
2651 if( h->param.b_cabac )
2653 if( mb_xy > h->sh.i_first_mb && !(SLICE_MBAFF && (i_mb_y&1)) )
2654 x264_cabac_encode_terminal( &h->cabac );
2656 if( IS_SKIP( h->mb.i_type ) )
2657 x264_cabac_mb_skip( h, 1 );
2660 if( h->sh.i_type != SLICE_TYPE_I )
2661 x264_cabac_mb_skip( h, 0 );
2662 x264_macroblock_write_cabac( h, &h->cabac );
2667 if( IS_SKIP( h->mb.i_type ) )
2671 if( h->sh.i_type != SLICE_TYPE_I )
2673 bs_write_ue( &h->out.bs, i_skip ); /* skip run */
2676 x264_macroblock_write_cavlc( h );
2677 /* If there was a CAVLC level code overflow, try again at a higher QP. */
2678 if( h->mb.b_overflow )
2680 h->mb.i_chroma_qp = h->chroma_qp_table[++h->mb.i_qp];
2681 h->mb.i_skip_intra = 0;
2682 h->mb.b_skip_mc = 0;
2683 h->mb.b_overflow = 0;
2684 x264_bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], &i_skip, 0 );
2690 int total_bits = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
2691 int mb_size = total_bits - mb_spos;
2693 if( slice_max_size && (!SLICE_MBAFF || (i_mb_y&1)) )
2695 /* Count the skip run, just in case. */
2696 if( !h->param.b_cabac )
2697 total_bits += bs_size_ue_big( i_skip );
2698 /* Check for escape bytes. */
2699 uint8_t *end = h->param.b_cabac ? h->cabac.p : h->out.bs.p;
2700 for( ; last_emu_check < end - 2; last_emu_check++ )
2701 if( last_emu_check[0] == 0 && last_emu_check[1] == 0 && last_emu_check[2] <= 3 )
2703 slice_max_size -= 8;
2706 /* We'll just re-encode this last macroblock if we go over the max slice size. */
2707 if( total_bits - starting_bits > slice_max_size && !h->mb.b_reencode_mb )
2709 if( !x264_frame_new_slice( h, h->fdec ) )
2711 /* Handle the most obnoxious slice-min-mbs edge case: we need to end the slice
2712 * because it's gone over the maximum size, but doing so would violate slice-min-mbs.
2713 * If possible, roll back to the last checkpoint and try again.
2714 * We could try raising QP, but that would break in the case where a slice spans multiple
2715 * rows, which the re-encoding infrastructure can't currently handle. */
2716 if( mb_xy <= thread_last_mb && (thread_last_mb+1-mb_xy) < h->param.i_slice_min_mbs )
2718 if( thread_last_mb-h->param.i_slice_min_mbs < h->sh.i_first_mb+h->param.i_slice_min_mbs )
2720 x264_log( h, X264_LOG_WARNING, "slice-max-size violated (frame %d, cause: slice-min-mbs)\n", h->i_frame );
2724 x264_bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MIN_MBS], &i_skip, 0 );
2725 h->mb.b_reencode_mb = 1;
2726 h->sh.i_last_mb = thread_last_mb-h->param.i_slice_min_mbs;
2729 if( mb_xy-SLICE_MBAFF*h->mb.i_mb_stride != h->sh.i_first_mb )
2731 x264_bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], &i_skip, 0 );
2732 h->mb.b_reencode_mb = 1;
2735 // set to bottom of previous mbpair
2737 h->sh.i_last_mb = mb_xy-1+h->mb.i_mb_stride*(!(i_mb_y&1));
2739 h->sh.i_last_mb = (i_mb_y-2+!(i_mb_y&1))*h->mb.i_mb_stride + h->mb.i_mb_width - 1;
2742 h->sh.i_last_mb = mb_xy-1;
2746 h->sh.i_last_mb = mb_xy;
2753 h->mb.b_reencode_mb = 0;
2756 x264_macroblock_cache_save( h );
2758 if( x264_ratecontrol_mb( h, mb_size ) < 0 )
2760 x264_bitstream_restore( h, &bs_bak[BS_BAK_ROW_VBV], &i_skip, 1 );
2761 h->mb.b_reencode_mb = 1;
2763 i_mb_y = i_mb_y - SLICE_MBAFF;
2764 h->mb.i_mb_prev_xy = i_mb_y * h->mb.i_mb_stride - 1;
2765 h->sh.i_last_mb = orig_last_mb;
2769 /* accumulate mb stats */
2770 h->stat.frame.i_mb_count[h->mb.i_type]++;
2772 int b_intra = IS_INTRA( h->mb.i_type );
2773 int b_skip = IS_SKIP( h->mb.i_type );
2774 if( h->param.i_log_level >= X264_LOG_INFO || h->param.rc.b_stat_write )
2776 if( !b_intra && !b_skip && !IS_DIRECT( h->mb.i_type ) )
2778 if( h->mb.i_partition != D_8x8 )
2779 h->stat.frame.i_mb_partition[h->mb.i_partition] += 4;
2781 for( int i = 0; i < 4; i++ )
2782 h->stat.frame.i_mb_partition[h->mb.i_sub_partition[i]] ++;
2783 if( h->param.i_frame_reference > 1 )
2784 for( int i_list = 0; i_list <= (h->sh.i_type == SLICE_TYPE_B); i_list++ )
2785 for( int i = 0; i < 4; i++ )
2787 int i_ref = h->mb.cache.ref[i_list][ x264_scan8[4*i] ];
2789 h->stat.frame.i_mb_count_ref[i_list][i_ref] ++;
2794 if( h->param.i_log_level >= X264_LOG_INFO )
2796 if( h->mb.i_cbp_luma | h->mb.i_cbp_chroma )
2800 for( int i = 0; i < 4; i++ )
2801 if( h->mb.i_cbp_luma & (1 << i) )
2802 for( int p = 0; p < 3; p++ )
2805 int nnz8x8 = M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+0] )
2806 | M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+8] );
2807 h->stat.frame.i_mb_cbp[!b_intra + p*2] += !!nnz8x8;
2812 int cbpsum = (h->mb.i_cbp_luma&1) + ((h->mb.i_cbp_luma>>1)&1)
2813 + ((h->mb.i_cbp_luma>>2)&1) + (h->mb.i_cbp_luma>>3);
2814 h->stat.frame.i_mb_cbp[!b_intra + 0] += cbpsum;
2815 h->stat.frame.i_mb_cbp[!b_intra + 2] += !!h->mb.i_cbp_chroma;
2816 h->stat.frame.i_mb_cbp[!b_intra + 4] += h->mb.i_cbp_chroma >> 1;
2819 if( h->mb.i_cbp_luma && !b_intra )
2821 h->stat.frame.i_mb_count_8x8dct[0] ++;
2822 h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
2824 if( b_intra && h->mb.i_type != I_PCM )
2826 if( h->mb.i_type == I_16x16 )
2827 h->stat.frame.i_mb_pred_mode[0][h->mb.i_intra16x16_pred_mode]++;
2828 else if( h->mb.i_type == I_8x8 )
2829 for( int i = 0; i < 16; i += 4 )
2830 h->stat.frame.i_mb_pred_mode[1][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
2831 else //if( h->mb.i_type == I_4x4 )
2832 for( int i = 0; i < 16; i++ )
2833 h->stat.frame.i_mb_pred_mode[2][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
2834 h->stat.frame.i_mb_pred_mode[3][x264_mb_chroma_pred_mode_fix[h->mb.i_chroma_pred_mode]]++;
2836 h->stat.frame.i_mb_field[b_intra?0:b_skip?2:1] += MB_INTERLACED;
2839 /* calculate deblock strength values (actual deblocking is done per-row along with hpel) */
2841 x264_macroblock_deblock_strength( h );
2843 if( mb_xy == h->sh.i_last_mb )
2848 i_mb_x += i_mb_y & 1;
2849 i_mb_y ^= i_mb_x < h->mb.i_mb_width;
2853 if( i_mb_x == h->mb.i_mb_width )
2859 if( h->sh.i_last_mb < h->sh.i_first_mb )
2862 h->out.nal[h->out.i_nal].i_last_mb = h->sh.i_last_mb;
2864 if( h->param.b_cabac )
2866 x264_cabac_encode_flush( h, &h->cabac );
2867 h->out.bs.p = h->cabac.p;
2872 bs_write_ue( &h->out.bs, i_skip ); /* last skip run */
2873 /* rbsp_slice_trailing_bits */
2874 bs_rbsp_trailing( &h->out.bs );
2875 bs_flush( &h->out.bs );
2877 if( x264_nal_end( h ) )
2880 if( h->sh.i_last_mb == (h->i_threadslice_end * h->mb.i_mb_width - 1) )
2882 h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
2883 + (h->out.i_nal*NALU_OVERHEAD * 8)
2884 - h->stat.frame.i_tex_bits
2885 - h->stat.frame.i_mv_bits;
2886 x264_fdec_filter_row( h, h->i_threadslice_end, 0 );
2888 if( h->param.b_sliced_threads )
2890 /* Tell the main thread we're done. */
2891 x264_threadslice_cond_broadcast( h, 1 );
2893 for( int mb_y = h->i_threadslice_start; mb_y <= h->i_threadslice_end; mb_y++ )
2894 x264_fdec_filter_row( h, mb_y, 1 );
2895 x264_threadslice_cond_broadcast( h, 2 );
2896 /* Do the first row of hpel, now that the previous slice is done */
2897 if( h->i_thread_idx > 0 )
2899 x264_threadslice_cond_wait( h->thread[h->i_thread_idx-1], 2 );
2900 x264_fdec_filter_row( h, h->i_threadslice_start + (1 << SLICE_MBAFF), 2 );
2904 /* Free mb info after the last thread's done using it */
2905 if( h->fdec->mb_info_free && (!h->param.b_sliced_threads || h->i_thread_idx == (h->param.i_threads-1)) )
2907 h->fdec->mb_info_free( h->fdec->mb_info );
2908 h->fdec->mb_info = NULL;
2909 h->fdec->mb_info_free = NULL;
2916 static void x264_thread_sync_context( x264_t *dst, x264_t *src )
2921 // reference counting
2922 for( x264_frame_t **f = src->frames.reference; *f; f++ )
2923 (*f)->i_reference_count++;
2924 for( x264_frame_t **f = dst->frames.reference; *f; f++ )
2925 x264_frame_push_unused( src, *f );
2926 src->fdec->i_reference_count++;
2927 x264_frame_push_unused( src, dst->fdec );
2929 // copy everything except the per-thread pointers and the constants.
2930 memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.base) - offsetof(x264_t, i_frame) );
2931 dst->param = src->param;
2932 dst->stat = src->stat;
2933 dst->pixf = src->pixf;
2934 dst->reconfig = src->reconfig;
2937 static void x264_thread_sync_stat( x264_t *dst, x264_t *src )
2941 memcpy( &dst->stat.i_frame_count, &src->stat.i_frame_count, sizeof(dst->stat) - sizeof(dst->stat.frame) );
2944 static void *x264_slices_write( x264_t *h )
2946 int i_slice_num = 0;
2947 int last_thread_mb = h->sh.i_last_mb;
2950 memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
2951 h->mb.b_reencode_mb = 0;
2952 while( h->sh.i_first_mb + SLICE_MBAFF*h->mb.i_mb_stride <= last_thread_mb )
2954 h->sh.i_last_mb = last_thread_mb;
2955 if( !i_slice_num || !x264_frame_new_slice( h, h->fdec ) )
2957 if( h->param.i_slice_max_mbs )
2961 // convert first to mbaff form, add slice-max-mbs, then convert back to normal form
2962 int last_mbaff = 2*(h->sh.i_first_mb % h->mb.i_mb_width)
2963 + h->mb.i_mb_width*(h->sh.i_first_mb / h->mb.i_mb_width)
2964 + h->param.i_slice_max_mbs - 1;
2965 int last_x = (last_mbaff % (2*h->mb.i_mb_width))/2;
2966 int last_y = (last_mbaff / (2*h->mb.i_mb_width))*2 + 1;
2967 h->sh.i_last_mb = last_x + h->mb.i_mb_stride*last_y;
2971 h->sh.i_last_mb = h->sh.i_first_mb + h->param.i_slice_max_mbs - 1;
2972 if( h->sh.i_last_mb < last_thread_mb && last_thread_mb - h->sh.i_last_mb < h->param.i_slice_min_mbs )
2973 h->sh.i_last_mb = last_thread_mb - h->param.i_slice_min_mbs;
2977 else if( h->param.i_slice_count && !h->param.b_sliced_threads )
2979 int height = h->mb.i_mb_height >> PARAM_INTERLACED;
2980 int width = h->mb.i_mb_width << PARAM_INTERLACED;
2982 h->sh.i_last_mb = (height * i_slice_num + h->param.i_slice_count/2) / h->param.i_slice_count * width - 1;
2985 h->sh.i_last_mb = X264_MIN( h->sh.i_last_mb, last_thread_mb );
2986 if( x264_stack_align( x264_slice_write, h ) )
2988 h->sh.i_first_mb = h->sh.i_last_mb + 1;
2989 // if i_first_mb is not the last mb in a row then go to the next mb in MBAFF order
2990 if( SLICE_MBAFF && h->sh.i_first_mb % h->mb.i_mb_width )
2991 h->sh.i_first_mb -= h->mb.i_mb_stride;
2997 /* Tell other threads we're done, so they wouldn't wait for it */
2998 if( h->param.b_sliced_threads )
2999 x264_threadslice_cond_broadcast( h, 2 );
3003 static int x264_threaded_slices_write( x264_t *h )
3005 /* set first/last mb and sync contexts */
3006 for( int i = 0; i < h->param.i_threads; i++ )
3008 x264_t *t = h->thread[i];
3011 t->param = h->param;
3012 memcpy( &t->i_frame, &h->i_frame, offsetof(x264_t, rc) - offsetof(x264_t, i_frame) );
3014 int height = h->mb.i_mb_height >> PARAM_INTERLACED;
3015 t->i_threadslice_start = ((height * i + h->param.i_slice_count/2) / h->param.i_threads) << PARAM_INTERLACED;
3016 t->i_threadslice_end = ((height * (i+1) + h->param.i_slice_count/2) / h->param.i_threads) << PARAM_INTERLACED;
3017 t->sh.i_first_mb = t->i_threadslice_start * h->mb.i_mb_width;
3018 t->sh.i_last_mb = t->i_threadslice_end * h->mb.i_mb_width - 1;
3021 x264_stack_align( x264_analyse_weight_frame, h, h->mb.i_mb_height*16 + 16 );
3023 x264_threads_distribute_ratecontrol( h );
3026 for( int i = 0; i < h->param.i_threads; i++ )
3028 h->thread[i]->i_thread_idx = i;
3029 h->thread[i]->b_thread_active = 1;
3030 x264_threadslice_cond_broadcast( h->thread[i], 0 );
3033 for( int i = 0; i < h->param.i_threads; i++ )
3034 x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h->thread[i] );
3036 for( int i = 0; i < h->param.i_threads; i++ )
3037 x264_threadslice_cond_wait( h->thread[i], 1 );
3039 x264_threads_merge_ratecontrol( h );
3041 for( int i = 1; i < h->param.i_threads; i++ )
3043 x264_t *t = h->thread[i];
3044 for( int j = 0; j < t->out.i_nal; j++ )
3046 h->out.nal[h->out.i_nal] = t->out.nal[j];
3048 x264_nal_check_buffer( h );
3050 /* All entries in stat.frame are ints except for ssd/ssim. */
3051 for( int j = 0; j < (offsetof(x264_t,stat.frame.i_ssd) - offsetof(x264_t,stat.frame.i_mv_bits)) / sizeof(int); j++ )
3052 ((int*)&h->stat.frame)[j] += ((int*)&t->stat.frame)[j];
3053 for( int j = 0; j < 3; j++ )
3054 h->stat.frame.i_ssd[j] += t->stat.frame.i_ssd[j];
3055 h->stat.frame.f_ssim += t->stat.frame.f_ssim;
3056 h->stat.frame.i_ssim_cnt += t->stat.frame.i_ssim_cnt;
3062 void x264_encoder_intra_refresh( x264_t *h )
3064 h = h->thread[h->i_thread_phase];
3065 h->b_queued_intra_refresh = 1;
3068 int x264_encoder_invalidate_reference( x264_t *h, int64_t pts )
3070 if( h->param.i_bframe )
3072 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with B-frames enabled\n" );
3075 if( h->param.b_intra_refresh )
3077 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with intra refresh enabled\n" );
3080 h = h->thread[h->i_thread_phase];
3081 if( pts >= h->i_last_idr_pts )
3083 for( int i = 0; h->frames.reference[i]; i++ )
3084 if( pts <= h->frames.reference[i]->i_pts )
3085 h->frames.reference[i]->b_corrupt = 1;
3086 if( pts <= h->fdec->i_pts )
3087 h->fdec->b_corrupt = 1;
3092 /****************************************************************************
3093 * x264_encoder_encode:
3094 * XXX: i_poc : is the poc of the current given picture
3095 * i_frame : is the number of the frame being coded
3096 * ex: type frame poc
3104 ****************************************************************************/
3105 int x264_encoder_encode( x264_t *h,
3106 x264_nal_t **pp_nal, int *pi_nal,
3107 x264_picture_t *pic_in,
3108 x264_picture_t *pic_out )
3110 x264_t *thread_current, *thread_prev, *thread_oldest;
3111 int i_nal_type, i_nal_ref_idc, i_global_qp;
3112 int overhead = NALU_OVERHEAD;
3115 if( h->opencl.b_fatal_error )
3119 if( h->i_thread_frames > 1 )
3121 thread_prev = h->thread[ h->i_thread_phase ];
3122 h->i_thread_phase = (h->i_thread_phase + 1) % h->i_thread_frames;
3123 thread_current = h->thread[ h->i_thread_phase ];
3124 thread_oldest = h->thread[ (h->i_thread_phase + 1) % h->i_thread_frames ];
3125 x264_thread_sync_context( thread_current, thread_prev );
3126 x264_thread_sync_ratecontrol( thread_current, thread_prev, thread_oldest );
3134 h->i_cpb_delay_pir_offset = h->i_cpb_delay_pir_offset_next;
3140 /* ------------------- Setup new frame from picture -------------------- */
3141 if( pic_in != NULL )
3143 /* 1: Copy the picture to a frame and move it to a buffer */
3144 x264_frame_t *fenc = x264_frame_pop_unused( h, 0 );
3148 if( x264_frame_copy_picture( h, fenc, pic_in ) < 0 )
3151 if( h->param.i_width != 16 * h->mb.i_mb_width ||
3152 h->param.i_height != 16 * h->mb.i_mb_height )
3153 x264_frame_expand_border_mod16( h, fenc );
3155 fenc->i_frame = h->frames.i_input++;
3157 if( fenc->i_frame == 0 )
3158 h->frames.i_first_pts = fenc->i_pts;
3159 if( h->frames.i_bframe_delay && fenc->i_frame == h->frames.i_bframe_delay )
3160 h->frames.i_bframe_delay_time = fenc->i_pts - h->frames.i_first_pts;
3162 if( h->param.b_vfr_input && fenc->i_pts <= h->frames.i_largest_pts )
3163 x264_log( h, X264_LOG_WARNING, "non-strictly-monotonic PTS\n" );
3165 h->frames.i_second_largest_pts = h->frames.i_largest_pts;
3166 h->frames.i_largest_pts = fenc->i_pts;
3168 if( (fenc->i_pic_struct < PIC_STRUCT_AUTO) || (fenc->i_pic_struct > PIC_STRUCT_TRIPLE) )
3169 fenc->i_pic_struct = PIC_STRUCT_AUTO;
3171 if( fenc->i_pic_struct == PIC_STRUCT_AUTO )
3174 int b_interlaced = fenc->param ? fenc->param->b_interlaced : h->param.b_interlaced;
3176 int b_interlaced = 0;
3180 int b_tff = fenc->param ? fenc->param->b_tff : h->param.b_tff;
3181 fenc->i_pic_struct = b_tff ? PIC_STRUCT_TOP_BOTTOM : PIC_STRUCT_BOTTOM_TOP;
3184 fenc->i_pic_struct = PIC_STRUCT_PROGRESSIVE;
3187 if( h->param.rc.b_mb_tree && h->param.rc.b_stat_read )
3189 if( x264_macroblock_tree_read( h, fenc, pic_in->prop.quant_offsets ) )
3193 x264_stack_align( x264_adaptive_quant_frame, h, fenc, pic_in->prop.quant_offsets );
3195 if( pic_in->prop.quant_offsets_free )
3196 pic_in->prop.quant_offsets_free( pic_in->prop.quant_offsets );
3198 if( h->frames.b_have_lowres )
3199 x264_frame_init_lowres( h, fenc );
3201 /* 2: Place the frame into the queue for its slice type decision */
3202 x264_lookahead_put_frame( h, fenc );
3204 if( h->frames.i_input <= h->frames.i_delay + 1 - h->i_thread_frames )
3206 /* Nothing yet to encode, waiting for filling of buffers */
3207 pic_out->i_type = X264_TYPE_AUTO;
3213 /* signal kills for lookahead thread */
3214 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
3215 h->lookahead->b_exit_thread = 1;
3216 x264_pthread_cond_broadcast( &h->lookahead->ifbuf.cv_fill );
3217 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
3221 /* 3: The picture is analyzed in the lookahead */
3222 if( !h->frames.current[0] )
3223 x264_lookahead_get_frames( h );
3225 if( !h->frames.current[0] && x264_lookahead_is_empty( h ) )
3226 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
3228 /* ------------------- Get frame to be encoded ------------------------- */
3229 /* 4: get picture to encode */
3230 h->fenc = x264_frame_shift( h->frames.current );
3232 /* If applicable, wait for previous frame reconstruction to finish */
3233 if( h->param.b_sliced_threads )
3234 if( x264_threadpool_wait_all( h ) < 0 )
3237 if( h->i_frame == h->i_thread_frames - 1 )
3238 h->i_reordered_pts_delay = h->fenc->i_reordered_pts;
3241 x264_encoder_reconfig_apply( h, &h->reconfig_h->param );
3244 if( h->fenc->param )
3246 x264_encoder_reconfig_apply( h, h->fenc->param );
3247 if( h->fenc->param->param_free )
3249 h->fenc->param->param_free( h->fenc->param );
3250 h->fenc->param = NULL;
3254 // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0
3255 if( x264_reference_update( h ) )
3257 h->fdec->i_lines_completed = -1;
3259 if( !IS_X264_TYPE_I( h->fenc->i_type ) )
3261 int valid_refs_left = 0;
3262 for( int i = 0; h->frames.reference[i]; i++ )
3263 if( !h->frames.reference[i]->b_corrupt )
3265 /* No valid reference frames left: force an IDR. */
3266 if( !valid_refs_left )
3268 h->fenc->b_keyframe = 1;
3269 h->fenc->i_type = X264_TYPE_IDR;
3273 if( h->fenc->b_keyframe )
3275 h->frames.i_last_keyframe = h->fenc->i_frame;
3276 if( h->fenc->i_type == X264_TYPE_IDR )
3279 h->frames.i_last_idr = h->fenc->i_frame;
3282 h->sh.i_mmco_command_count =
3283 h->sh.i_mmco_remove_from_end = 0;
3284 h->b_ref_reorder[0] =
3285 h->b_ref_reorder[1] = 0;
3287 h->fenc->i_poc = 2 * ( h->fenc->i_frame - X264_MAX( h->frames.i_last_idr, 0 ) );
3289 /* ------------------- Setup frame context ----------------------------- */
3290 /* 5: Init data dependent of frame type */
3291 if( h->fenc->i_type == X264_TYPE_IDR )
3293 /* reset ref pictures */
3294 i_nal_type = NAL_SLICE_IDR;
3295 i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
3296 h->sh.i_type = SLICE_TYPE_I;
3297 x264_reference_reset( h );
3298 h->frames.i_poc_last_open_gop = -1;
3300 else if( h->fenc->i_type == X264_TYPE_I )
3302 i_nal_type = NAL_SLICE;
3303 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
3304 h->sh.i_type = SLICE_TYPE_I;
3305 x264_reference_hierarchy_reset( h );
3306 if( h->param.b_open_gop )
3307 h->frames.i_poc_last_open_gop = h->fenc->b_keyframe ? h->fenc->i_poc : -1;
3309 else if( h->fenc->i_type == X264_TYPE_P )
3311 i_nal_type = NAL_SLICE;
3312 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
3313 h->sh.i_type = SLICE_TYPE_P;
3314 x264_reference_hierarchy_reset( h );
3315 h->frames.i_poc_last_open_gop = -1;
3317 else if( h->fenc->i_type == X264_TYPE_BREF )
3319 i_nal_type = NAL_SLICE;
3320 i_nal_ref_idc = h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT ? NAL_PRIORITY_LOW : NAL_PRIORITY_HIGH;
3321 h->sh.i_type = SLICE_TYPE_B;
3322 x264_reference_hierarchy_reset( h );
3326 i_nal_type = NAL_SLICE;
3327 i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
3328 h->sh.i_type = SLICE_TYPE_B;
3331 h->fdec->i_type = h->fenc->i_type;
3332 h->fdec->i_frame = h->fenc->i_frame;
3333 h->fenc->b_kept_as_ref =
3334 h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1;
3336 h->fdec->mb_info = h->fenc->mb_info;
3337 h->fdec->mb_info_free = h->fenc->mb_info_free;
3338 h->fenc->mb_info = NULL;
3339 h->fenc->mb_info_free = NULL;
3341 h->fdec->i_pts = h->fenc->i_pts;
3342 if( h->frames.i_bframe_delay )
3344 int64_t *prev_reordered_pts = thread_current->frames.i_prev_reordered_pts;
3345 h->fdec->i_dts = h->i_frame > h->frames.i_bframe_delay
3346 ? prev_reordered_pts[ (h->i_frame - h->frames.i_bframe_delay) % h->frames.i_bframe_delay ]
3347 : h->fenc->i_reordered_pts - h->frames.i_bframe_delay_time;
3348 prev_reordered_pts[ h->i_frame % h->frames.i_bframe_delay ] = h->fenc->i_reordered_pts;
3351 h->fdec->i_dts = h->fenc->i_reordered_pts;
3352 if( h->fenc->i_type == X264_TYPE_IDR )
3353 h->i_last_idr_pts = h->fdec->i_pts;
3355 /* ------------------- Init ----------------------------- */
3356 /* build ref list 0/1 */
3357 x264_reference_build_list( h, h->fdec->i_poc );
3359 /* ---------------------- Write the bitstream -------------------------- */
3360 /* Init bitstream context */
3361 if( h->param.b_sliced_threads )
3363 for( int i = 0; i < h->param.i_threads; i++ )
3365 bs_init( &h->thread[i]->out.bs, h->thread[i]->out.p_bitstream, h->thread[i]->out.i_bitstream );
3366 h->thread[i]->out.i_nal = 0;
3371 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
3375 if( h->param.b_aud )
3379 if( h->sh.i_type == SLICE_TYPE_I )
3381 else if( h->sh.i_type == SLICE_TYPE_P )
3383 else if( h->sh.i_type == SLICE_TYPE_B )
3388 x264_nal_start( h, NAL_AUD, NAL_PRIORITY_DISPOSABLE );
3389 bs_write( &h->out.bs, 3, pic_type );
3390 bs_rbsp_trailing( &h->out.bs );
3391 if( x264_nal_end( h ) )
3393 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
3396 h->i_nal_type = i_nal_type;
3397 h->i_nal_ref_idc = i_nal_ref_idc;
3399 if( h->param.b_intra_refresh )
3401 if( IS_X264_TYPE_I( h->fenc->i_type ) )
3403 h->fdec->i_frames_since_pir = 0;
3404 h->b_queued_intra_refresh = 0;
3405 /* PIR is currently only supported with ref == 1, so any intra frame effectively refreshes
3406 * the whole frame and counts as an intra refresh. */
3407 h->fdec->f_pir_position = h->mb.i_mb_width;
3409 else if( h->fenc->i_type == X264_TYPE_P )
3411 int pocdiff = (h->fdec->i_poc - h->fref[0][0]->i_poc)/2;
3412 float increment = X264_MAX( ((float)h->mb.i_mb_width-1) / h->param.i_keyint_max, 1 );
3413 h->fdec->f_pir_position = h->fref[0][0]->f_pir_position;
3414 h->fdec->i_frames_since_pir = h->fref[0][0]->i_frames_since_pir + pocdiff;
3415 if( h->fdec->i_frames_since_pir >= h->param.i_keyint_max ||
3416 (h->b_queued_intra_refresh && h->fdec->f_pir_position + 0.5 >= h->mb.i_mb_width) )
3418 h->fdec->f_pir_position = 0;
3419 h->fdec->i_frames_since_pir = 0;
3420 h->b_queued_intra_refresh = 0;
3421 h->fenc->b_keyframe = 1;
3423 h->fdec->i_pir_start_col = h->fdec->f_pir_position+0.5;
3424 h->fdec->f_pir_position += increment * pocdiff;
3425 h->fdec->i_pir_end_col = h->fdec->f_pir_position+0.5;
3426 /* If our intra refresh has reached the right side of the frame, we're done. */
3427 if( h->fdec->i_pir_end_col >= h->mb.i_mb_width - 1 )
3429 h->fdec->f_pir_position = h->mb.i_mb_width;
3430 h->fdec->i_pir_end_col = h->mb.i_mb_width - 1;
3435 if( h->fenc->b_keyframe )
3437 /* Write SPS and PPS */
3438 if( h->param.b_repeat_headers )
3440 /* generate sequence parameters */
3441 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
3442 x264_sps_write( &h->out.bs, h->sps );
3443 if( x264_nal_end( h ) )
3445 /* Pad AUD/SPS to 256 bytes like Panasonic */
3446 if( h->param.b_avcintra_compat )
3447 h->out.nal[h->out.i_nal-1].i_padding = 256 - bs_pos( &h->out.bs ) / 8 - 2*NALU_OVERHEAD;
3448 overhead += h->out.nal[h->out.i_nal-1].i_payload + h->out.nal[h->out.i_nal-1].i_padding + NALU_OVERHEAD;
3450 /* generate picture parameters */
3451 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
3452 x264_pps_write( &h->out.bs, h->sps, h->pps );
3453 if( x264_nal_end( h ) )
3455 if( h->param.b_avcintra_compat )
3456 h->out.nal[h->out.i_nal-1].i_padding = 256 - h->out.nal[h->out.i_nal-1].i_payload - NALU_OVERHEAD;
3457 overhead += h->out.nal[h->out.i_nal-1].i_payload + h->out.nal[h->out.i_nal-1].i_padding + NALU_OVERHEAD;
3460 /* when frame threading is used, buffering period sei is written in x264_encoder_frame_end */
3461 if( h->i_thread_frames == 1 && h->sps->vui.b_nal_hrd_parameters_present )
3463 x264_hrd_fullness( h );
3464 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3465 x264_sei_buffering_period_write( h, &h->out.bs );
3466 if( x264_nal_end( h ) )
3468 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3472 /* write extra sei */
3473 for( int i = 0; i < h->fenc->extra_sei.num_payloads; i++ )
3475 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3476 x264_sei_write( &h->out.bs, h->fenc->extra_sei.payloads[i].payload, h->fenc->extra_sei.payloads[i].payload_size,
3477 h->fenc->extra_sei.payloads[i].payload_type );
3478 if( x264_nal_end( h ) )
3480 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3481 if( h->fenc->extra_sei.sei_free )
3483 h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads[i].payload );
3484 h->fenc->extra_sei.payloads[i].payload = NULL;
3488 if( h->fenc->extra_sei.sei_free )
3490 h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads );
3491 h->fenc->extra_sei.payloads = NULL;
3492 h->fenc->extra_sei.sei_free = NULL;
3495 if( h->fenc->b_keyframe )
3497 /* Avid's decoder strictly wants two SEIs for AVC-Intra so we can't insert the x264 SEI */
3498 if( h->param.b_repeat_headers && h->fenc->i_frame == 0 && !h->param.b_avcintra_compat )
3500 /* identify ourself */
3501 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3502 if( x264_sei_version_write( h, &h->out.bs ) )
3504 if( x264_nal_end( h ) )
3506 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3509 if( h->fenc->i_type != X264_TYPE_IDR )
3511 int time_to_recovery = h->param.b_open_gop ? 0 : X264_MIN( h->mb.i_mb_width - 1, h->param.i_keyint_max ) + h->param.i_bframe - 1;
3512 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3513 x264_sei_recovery_point_write( h, &h->out.bs, time_to_recovery );
3514 if( x264_nal_end( h ) )
3516 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3519 if( h->param.i_frame_packing >= 0 )
3521 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3522 x264_sei_frame_packing_write( h, &h->out.bs );
3523 if( x264_nal_end( h ) )
3525 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3529 /* generate sei pic timing */
3530 if( h->sps->vui.b_pic_struct_present || h->sps->vui.b_nal_hrd_parameters_present )
3532 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3533 x264_sei_pic_timing_write( h, &h->out.bs );
3534 if( x264_nal_end( h ) )
3536 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3539 /* As required by Blu-ray. */
3540 if( !IS_X264_TYPE_B( h->fenc->i_type ) && h->b_sh_backup )
3543 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3544 x264_sei_dec_ref_pic_marking_write( h, &h->out.bs );
3545 if( x264_nal_end( h ) )
3547 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3550 if( h->fenc->b_keyframe && h->param.b_intra_refresh )
3551 h->i_cpb_delay_pir_offset_next = h->fenc->i_cpb_delay;
3553 /* Filler space: 10 or 18 SEIs' worth of space, depending on resolution */
3554 if( h->param.b_avcintra_compat )
3556 /* Write an empty filler NAL to mimic the AUD in the P2 format*/
3557 x264_nal_start( h, NAL_FILLER, NAL_PRIORITY_DISPOSABLE );
3558 x264_filler_write( h, &h->out.bs, 0 );
3559 if( x264_nal_end( h ) )
3561 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
3563 /* All lengths are magic lengths that decoders expect to see */
3565 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3566 if( x264_sei_avcintra_umid_write( h, &h->out.bs ) < 0 )
3568 if( x264_nal_end( h ) )
3570 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3574 if( h->param.i_height == 1080 )
3576 unpadded_len = 5780;
3581 unpadded_len = 2900;
3585 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3586 if( x264_sei_avcintra_vanc_write( h, &h->out.bs, unpadded_len ) < 0 )
3588 if( x264_nal_end( h ) )
3591 h->out.nal[h->out.i_nal-1].i_padding = total_len - h->out.nal[h->out.i_nal-1].i_payload - SEI_OVERHEAD;
3592 overhead += h->out.nal[h->out.i_nal-1].i_payload + h->out.nal[h->out.i_nal-1].i_padding + SEI_OVERHEAD;
3595 /* Init the rate control */
3596 /* FIXME: Include slice header bit cost. */
3597 x264_ratecontrol_start( h, h->fenc->i_qpplus1, overhead*8 );
3598 i_global_qp = x264_ratecontrol_qp( h );
3600 pic_out->i_qpplus1 =
3601 h->fdec->i_qpplus1 = i_global_qp + 1;
3603 if( h->param.rc.b_stat_read && h->sh.i_type != SLICE_TYPE_I )
3605 x264_reference_build_list_optimal( h );
3606 x264_reference_check_reorder( h );
3610 h->fdec->i_poc_l0ref0 = h->fref[0][0]->i_poc;
3612 /* ------------------------ Create slice header ----------------------- */
3613 x264_slice_init( h, i_nal_type, i_global_qp );
3615 /*------------------------- Weights -------------------------------------*/
3616 if( h->sh.i_type == SLICE_TYPE_B )
3617 x264_macroblock_bipred_init( h );
3619 x264_weighted_pred_init( h );
3621 if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
3625 h->i_threadslice_start = 0;
3626 h->i_threadslice_end = h->mb.i_mb_height;
3627 if( h->i_thread_frames > 1 )
3629 x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h );
3630 h->b_thread_active = 1;
3632 else if( h->param.b_sliced_threads )
3634 if( x264_threaded_slices_write( h ) )
3638 if( (intptr_t)x264_slices_write( h ) )
3641 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
3644 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
3645 x264_nal_t **pp_nal, int *pi_nal,
3646 x264_picture_t *pic_out )
3648 char psz_message[80];
3650 if( !h->param.b_sliced_threads && h->b_thread_active )
3652 h->b_thread_active = 0;
3653 if( (intptr_t)x264_threadpool_wait( h->threadpool, h ) )
3658 pic_out->i_type = X264_TYPE_AUTO;
3664 /* generate buffering period sei and insert it into place */
3665 if( h->i_thread_frames > 1 && h->fenc->b_keyframe && h->sps->vui.b_nal_hrd_parameters_present )
3667 x264_hrd_fullness( h );
3668 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3669 x264_sei_buffering_period_write( h, &h->out.bs );
3670 if( x264_nal_end( h ) )
3672 /* buffering period sei must follow AUD, SPS and PPS and precede all other SEIs */
3674 while( h->out.nal[idx].i_type == NAL_AUD ||
3675 h->out.nal[idx].i_type == NAL_SPS ||
3676 h->out.nal[idx].i_type == NAL_PPS )
3678 x264_nal_t nal_tmp = h->out.nal[h->out.i_nal-1];
3679 memmove( &h->out.nal[idx+1], &h->out.nal[idx], (h->out.i_nal-idx-1)*sizeof(x264_nal_t) );
3680 h->out.nal[idx] = nal_tmp;
3683 int frame_size = x264_encoder_encapsulate_nals( h, 0 );
3684 if( frame_size < 0 )
3687 /* Set output picture properties */
3688 pic_out->i_type = h->fenc->i_type;
3690 pic_out->b_keyframe = h->fenc->b_keyframe;
3691 pic_out->i_pic_struct = h->fenc->i_pic_struct;
3693 pic_out->i_pts = h->fdec->i_pts;
3694 pic_out->i_dts = h->fdec->i_dts;
3696 if( pic_out->i_pts < pic_out->i_dts )
3697 x264_log( h, X264_LOG_WARNING, "invalid DTS: PTS is less than DTS\n" );
3699 pic_out->opaque = h->fenc->opaque;
3701 pic_out->img.i_csp = h->fdec->i_csp;
3703 pic_out->img.i_csp |= X264_CSP_HIGH_DEPTH;
3705 pic_out->img.i_plane = h->fdec->i_plane;
3706 for( int i = 0; i < pic_out->img.i_plane; i++ )
3708 pic_out->img.i_stride[i] = h->fdec->i_stride[i] * sizeof(pixel);
3709 pic_out->img.plane[i] = (uint8_t*)h->fdec->plane[i];
3712 x264_frame_push_unused( thread_current, h->fenc );
3714 /* ---------------------- Update encoder state ------------------------- */
3718 if( x264_ratecontrol_end( h, frame_size * 8, &filler ) < 0 )
3721 pic_out->hrd_timing = h->fenc->hrd_timing;
3722 pic_out->prop.f_crf_avg = h->fdec->f_crf_avg;
3724 /* Filler in AVC-Intra mode is written as zero bytes to the last slice
3725 * We don't know the size of the last slice until encapsulation so we add filler to the encapsulated NAL */
3726 if( h->param.b_avcintra_compat )
3728 x264_t *h0 = h->thread[0];
3729 int ret = x264_check_encapsulated_buffer( h, h0, h->out.i_nal, frame_size, frame_size + filler );
3732 memset( h->out.nal[0].p_payload + frame_size, 0, filler );
3733 h->out.nal[h->out.i_nal-1].i_payload += filler;
3734 h->out.nal[h->out.i_nal-1].i_padding = filler;
3735 frame_size += filler;
3742 overhead = (FILLER_OVERHEAD - h->param.b_annexb);
3743 if( h->param.i_slice_max_size && filler > h->param.i_slice_max_size )
3745 int next_size = filler - h->param.i_slice_max_size;
3746 int overflow = X264_MAX( overhead - next_size, 0 );
3747 f = h->param.i_slice_max_size - overhead - overflow;
3750 f = X264_MAX( 0, filler - overhead );
3752 if( x264_bitstream_check_buffer_filler( h, f ) )
3754 x264_nal_start( h, NAL_FILLER, NAL_PRIORITY_DISPOSABLE );
3755 x264_filler_write( h, &h->out.bs, f );
3756 if( x264_nal_end( h ) )
3758 int total_size = x264_encoder_encapsulate_nals( h, h->out.i_nal-1 );
3759 if( total_size < 0 )
3761 frame_size += total_size;
3762 filler -= total_size;
3766 /* End bitstream, set output */
3767 *pi_nal = h->out.i_nal;
3768 *pp_nal = h->out.nal;
3772 x264_noise_reduction_update( h );
3774 /* ---------------------- Compute/Print statistics --------------------- */
3775 x264_thread_sync_stat( h, h->thread[0] );
3778 h->stat.i_frame_count[h->sh.i_type]++;
3779 h->stat.i_frame_size[h->sh.i_type] += frame_size;
3780 h->stat.f_frame_qp[h->sh.i_type] += h->fdec->f_qp_avg_aq;
3782 for( int i = 0; i < X264_MBTYPE_MAX; i++ )
3783 h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
3784 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
3785 h->stat.i_mb_partition[h->sh.i_type][i] += h->stat.frame.i_mb_partition[i];
3786 for( int i = 0; i < 2; i++ )
3787 h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
3788 for( int i = 0; i < 6; i++ )
3789 h->stat.i_mb_cbp[i] += h->stat.frame.i_mb_cbp[i];
3790 for( int i = 0; i < 4; i++ )
3791 for( int j = 0; j < 13; j++ )
3792 h->stat.i_mb_pred_mode[i][j] += h->stat.frame.i_mb_pred_mode[i][j];
3793 if( h->sh.i_type != SLICE_TYPE_I )
3794 for( int i_list = 0; i_list < 2; i_list++ )
3795 for( int i = 0; i < X264_REF_MAX*2; i++ )
3796 h->stat.i_mb_count_ref[h->sh.i_type][i_list][i] += h->stat.frame.i_mb_count_ref[i_list][i];
3797 for( int i = 0; i < 3; i++ )
3798 h->stat.i_mb_field[i] += h->stat.frame.i_mb_field[i];
3799 if( h->sh.i_type == SLICE_TYPE_P && h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
3801 h->stat.i_wpred[0] += !!h->sh.weight[0][0].weightfn;
3802 h->stat.i_wpred[1] += !!h->sh.weight[0][1].weightfn || !!h->sh.weight[0][2].weightfn;
3804 if( h->sh.i_type == SLICE_TYPE_B )
3806 h->stat.i_direct_frames[ h->sh.b_direct_spatial_mv_pred ] ++;
3807 if( h->mb.b_direct_auto_write )
3809 //FIXME somewhat arbitrary time constants
3810 if( h->stat.i_direct_score[0] + h->stat.i_direct_score[1] > h->mb.i_mb_count )
3811 for( int i = 0; i < 2; i++ )
3812 h->stat.i_direct_score[i] = h->stat.i_direct_score[i] * 9/10;
3813 for( int i = 0; i < 2; i++ )
3814 h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i];
3818 h->stat.i_consecutive_bframes[h->fenc->i_bframes]++;
3820 psz_message[0] = '\0';
3821 double dur = h->fenc->f_duration;
3822 h->stat.f_frame_duration[h->sh.i_type] += dur;
3823 if( h->param.analyse.b_psnr )
3827 h->stat.frame.i_ssd[0],
3828 h->stat.frame.i_ssd[1],
3829 h->stat.frame.i_ssd[2],
3831 int luma_size = h->param.i_width * h->param.i_height;
3832 int chroma_size = CHROMA_SIZE( luma_size );
3833 pic_out->prop.f_psnr[0] = x264_psnr( ssd[0], luma_size );
3834 pic_out->prop.f_psnr[1] = x264_psnr( ssd[1], chroma_size );
3835 pic_out->prop.f_psnr[2] = x264_psnr( ssd[2], chroma_size );
3836 pic_out->prop.f_psnr_avg = x264_psnr( ssd[0] + ssd[1] + ssd[2], luma_size + chroma_size*2 );
3838 h->stat.f_ssd_global[h->sh.i_type] += dur * (ssd[0] + ssd[1] + ssd[2]);
3839 h->stat.f_psnr_average[h->sh.i_type] += dur * pic_out->prop.f_psnr_avg;
3840 h->stat.f_psnr_mean_y[h->sh.i_type] += dur * pic_out->prop.f_psnr[0];
3841 h->stat.f_psnr_mean_u[h->sh.i_type] += dur * pic_out->prop.f_psnr[1];
3842 h->stat.f_psnr_mean_v[h->sh.i_type] += dur * pic_out->prop.f_psnr[2];
3844 snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f", pic_out->prop.f_psnr[0],
3845 pic_out->prop.f_psnr[1],
3846 pic_out->prop.f_psnr[2] );
3849 if( h->param.analyse.b_ssim )
3851 pic_out->prop.f_ssim = h->stat.frame.f_ssim / h->stat.frame.i_ssim_cnt;
3852 h->stat.f_ssim_mean_y[h->sh.i_type] += pic_out->prop.f_ssim * dur;
3853 snprintf( psz_message + strlen(psz_message), 80 - strlen(psz_message),
3854 " SSIM Y:%.5f", pic_out->prop.f_ssim );
3856 psz_message[79] = '\0';
3858 x264_log( h, X264_LOG_DEBUG,
3859 "frame=%4d QP=%.2f NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
3861 h->fdec->f_qp_avg_aq,
3863 h->sh.i_type == SLICE_TYPE_I ? 'I' : (h->sh.i_type == SLICE_TYPE_P ? 'P' : 'B' ),
3865 h->stat.frame.i_mb_count_i,
3866 h->stat.frame.i_mb_count_p,
3867 h->stat.frame.i_mb_count_skip,
3871 // keep stats all in one place
3872 x264_thread_sync_stat( h->thread[0], h );
3873 // for the use of the next frame
3874 x264_thread_sync_stat( thread_current, h );
3876 #ifdef DEBUG_MB_TYPE
3878 static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
3879 'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
3880 for( int mb_xy = 0; mb_xy < h->mb.i_mb_width * h->mb.i_mb_height; mb_xy++ )
3882 if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 )
3883 fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
3885 fprintf( stderr, "? " );
3887 if( (mb_xy+1) % h->mb.i_mb_width == 0 )
3888 fprintf( stderr, "\n" );
3893 /* Remove duplicates, must be done near the end as breaks h->fref0 array
3894 * by freeing some of its pointers. */
3895 for( int i = 0; i < h->i_ref[0]; i++ )
3896 if( h->fref[0][i] && h->fref[0][i]->b_duplicate )
3898 x264_frame_push_blank_unused( h, h->fref[0][i] );
3902 if( h->param.psz_dump_yuv )
3903 x264_frame_dump( h );
3909 static void x264_print_intra( int64_t *i_mb_count, double i_count, int b_print_pcm, char *intra )
3911 intra += sprintf( intra, "I16..4%s: %4.1f%% %4.1f%% %4.1f%%",
3912 b_print_pcm ? "..PCM" : "",
3913 i_mb_count[I_16x16]/ i_count,
3914 i_mb_count[I_8x8] / i_count,
3915 i_mb_count[I_4x4] / i_count );
3917 sprintf( intra, " %4.1f%%", i_mb_count[I_PCM] / i_count );
3920 /****************************************************************************
3921 * x264_encoder_close:
3922 ****************************************************************************/
3923 void x264_encoder_close ( x264_t *h )
3925 int64_t i_yuv_size = FRAME_SIZE( h->param.i_width * h->param.i_height );
3926 int64_t i_mb_count_size[2][7] = {{0}};
3928 int b_print_pcm = h->stat.i_mb_count[SLICE_TYPE_I][I_PCM]
3929 || h->stat.i_mb_count[SLICE_TYPE_P][I_PCM]
3930 || h->stat.i_mb_count[SLICE_TYPE_B][I_PCM];
3932 x264_lookahead_delete( h );
3935 x264_opencl_lookahead_delete( h );
3936 x264_opencl_function_t *ocl = h->opencl.ocl;
3939 if( h->param.b_sliced_threads )
3940 x264_threadpool_wait_all( h );
3941 if( h->param.i_threads > 1 )
3942 x264_threadpool_delete( h->threadpool );
3943 if( h->param.i_lookahead_threads > 1 )
3944 x264_threadpool_delete( h->lookaheadpool );
3945 if( h->i_thread_frames > 1 )
3947 for( int i = 0; i < h->i_thread_frames; i++ )
3948 if( h->thread[i]->b_thread_active )
3950 assert( h->thread[i]->fenc->i_reference_count == 1 );
3951 x264_frame_delete( h->thread[i]->fenc );
3954 x264_t *thread_prev = h->thread[h->i_thread_phase];
3955 x264_thread_sync_ratecontrol( h, thread_prev, h );
3956 x264_thread_sync_ratecontrol( thread_prev, thread_prev, h );
3957 h->i_frame = thread_prev->i_frame + 1 - h->i_thread_frames;
3961 /* Slices used and PSNR */
3962 for( int i = 0; i < 3; i++ )
3964 static const uint8_t slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_P, SLICE_TYPE_B };
3965 int i_slice = slice_order[i];
3967 if( h->stat.i_frame_count[i_slice] > 0 )
3969 int i_count = h->stat.i_frame_count[i_slice];
3970 double dur = h->stat.f_frame_duration[i_slice];
3971 if( h->param.analyse.b_psnr )
3973 x264_log( h, X264_LOG_INFO,
3974 "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",
3975 slice_type_to_char[i_slice],
3977 h->stat.f_frame_qp[i_slice] / i_count,
3978 (double)h->stat.i_frame_size[i_slice] / i_count,
3979 h->stat.f_psnr_mean_y[i_slice] / dur, h->stat.f_psnr_mean_u[i_slice] / dur, h->stat.f_psnr_mean_v[i_slice] / dur,
3980 h->stat.f_psnr_average[i_slice] / dur,
3981 x264_psnr( h->stat.f_ssd_global[i_slice], dur * i_yuv_size ) );
3985 x264_log( h, X264_LOG_INFO,
3986 "frame %c:%-5d Avg QP:%5.2f size:%6.0f\n",
3987 slice_type_to_char[i_slice],
3989 h->stat.f_frame_qp[i_slice] / i_count,
3990 (double)h->stat.i_frame_size[i_slice] / i_count );
3994 if( h->param.i_bframe && h->stat.i_frame_count[SLICE_TYPE_B] )
3998 // weight by number of frames (including the I/P-frames) that are in a sequence of N B-frames
3999 for( int i = 0; i <= h->param.i_bframe; i++ )
4000 den += (i+1) * h->stat.i_consecutive_bframes[i];
4001 for( int i = 0; i <= h->param.i_bframe; i++ )
4002 p += sprintf( p, " %4.1f%%", 100. * (i+1) * h->stat.i_consecutive_bframes[i] / den );
4003 x264_log( h, X264_LOG_INFO, "consecutive B-frames:%s\n", buf );
4006 for( int i_type = 0; i_type < 2; i_type++ )
4007 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
4009 if( i == D_DIRECT_8x8 ) continue; /* direct is counted as its own type */
4010 i_mb_count_size[i_type][x264_mb_partition_pixel_table[i]] += h->stat.i_mb_partition[i_type][i];
4014 if( h->stat.i_frame_count[SLICE_TYPE_I] > 0 )
4016 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
4017 double i_count = h->stat.i_frame_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
4018 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
4019 x264_log( h, X264_LOG_INFO, "mb I %s\n", buf );
4021 if( h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
4023 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
4024 double i_count = h->stat.i_frame_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
4025 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_P];
4026 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
4027 x264_log( h, X264_LOG_INFO,
4028 "mb P %s P16..4: %4.1f%% %4.1f%% %4.1f%% %4.1f%% %4.1f%% skip:%4.1f%%\n",
4030 i_mb_size[PIXEL_16x16] / (i_count*4),
4031 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
4032 i_mb_size[PIXEL_8x8] / (i_count*4),
4033 (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
4034 i_mb_size[PIXEL_4x4] / (i_count*4),
4035 i_mb_count[P_SKIP] / i_count );
4037 if( h->stat.i_frame_count[SLICE_TYPE_B] > 0 )
4039 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
4040 double i_count = h->stat.i_frame_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
4041 double i_mb_list_count;
4042 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_B];
4043 int64_t list_count[3] = {0}; /* 0 == L0, 1 == L1, 2 == BI */
4044 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
4045 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
4046 for( int j = 0; j < 2; j++ )
4048 int l0 = x264_mb_type_list_table[i][0][j];
4049 int l1 = x264_mb_type_list_table[i][1][j];
4051 list_count[l1+l0*l1] += h->stat.i_mb_count[SLICE_TYPE_B][i] * 2;
4053 list_count[0] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L0_8x8];
4054 list_count[1] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L1_8x8];
4055 list_count[2] += h->stat.i_mb_partition[SLICE_TYPE_B][D_BI_8x8];
4056 i_mb_count[B_DIRECT] += (h->stat.i_mb_partition[SLICE_TYPE_B][D_DIRECT_8x8]+2)/4;
4057 i_mb_list_count = (list_count[0] + list_count[1] + list_count[2]) / 100.0;
4058 sprintf( buf + strlen(buf), " B16..8: %4.1f%% %4.1f%% %4.1f%% direct:%4.1f%% skip:%4.1f%%",
4059 i_mb_size[PIXEL_16x16] / (i_count*4),
4060 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
4061 i_mb_size[PIXEL_8x8] / (i_count*4),
4062 i_mb_count[B_DIRECT] / i_count,
4063 i_mb_count[B_SKIP] / i_count );
4064 if( i_mb_list_count != 0 )
4065 sprintf( buf + strlen(buf), " L0:%4.1f%% L1:%4.1f%% BI:%4.1f%%",
4066 list_count[0] / i_mb_list_count,
4067 list_count[1] / i_mb_list_count,
4068 list_count[2] / i_mb_list_count );
4069 x264_log( h, X264_LOG_INFO, "mb B %s\n", buf );
4072 x264_ratecontrol_summary( h );
4074 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 )
4076 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
4077 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
4078 int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
4079 int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
4080 + SUM3b( h->stat.i_mb_count, I_16x16 );
4081 int64_t i_all_intra = i_intra + SUM3b( h->stat.i_mb_count, I_PCM);
4082 int64_t i_skip = SUM3b( h->stat.i_mb_count, P_SKIP )
4083 + SUM3b( h->stat.i_mb_count, B_SKIP );
4084 const int i_count = h->stat.i_frame_count[SLICE_TYPE_I] +
4085 h->stat.i_frame_count[SLICE_TYPE_P] +
4086 h->stat.i_frame_count[SLICE_TYPE_B];
4087 int64_t i_mb_count = (int64_t)i_count * h->mb.i_mb_count;
4088 int64_t i_inter = i_mb_count - i_skip - i_intra;
4089 const double duration = h->stat.f_frame_duration[SLICE_TYPE_I] +
4090 h->stat.f_frame_duration[SLICE_TYPE_P] +
4091 h->stat.f_frame_duration[SLICE_TYPE_B];
4092 float f_bitrate = SUM3(h->stat.i_frame_size) / duration / 125;
4094 if( PARAM_INTERLACED )
4096 char *fieldstats = buf;
4099 fieldstats += sprintf( fieldstats, " inter:%.1f%%", h->stat.i_mb_field[1] * 100.0 / i_inter );
4101 fieldstats += sprintf( fieldstats, " skip:%.1f%%", h->stat.i_mb_field[2] * 100.0 / i_skip );
4102 x264_log( h, X264_LOG_INFO, "field mbs: intra: %.1f%%%s\n",
4103 h->stat.i_mb_field[0] * 100.0 / i_intra, buf );
4106 if( h->pps->b_transform_8x8_mode )
4109 if( h->stat.i_mb_count_8x8dct[0] )
4110 sprintf( buf, " inter:%.1f%%", 100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
4111 x264_log( h, X264_LOG_INFO, "8x8 transform intra:%.1f%%%s\n", 100. * i_i8x8 / i_intra, buf );
4114 if( (h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO ||
4115 (h->stat.i_direct_frames[0] && h->stat.i_direct_frames[1]))
4116 && h->stat.i_frame_count[SLICE_TYPE_B] )
4118 x264_log( h, X264_LOG_INFO, "direct mvs spatial:%.1f%% temporal:%.1f%%\n",
4119 h->stat.i_direct_frames[1] * 100. / h->stat.i_frame_count[SLICE_TYPE_B],
4120 h->stat.i_direct_frames[0] * 100. / h->stat.i_frame_count[SLICE_TYPE_B] );
4124 int csize = CHROMA444 ? 4 : 1;
4125 if( i_mb_count != i_all_intra )
4126 sprintf( buf, " inter: %.1f%% %.1f%% %.1f%%",
4127 h->stat.i_mb_cbp[1] * 100.0 / ((i_mb_count - i_all_intra)*4),
4128 h->stat.i_mb_cbp[3] * 100.0 / ((i_mb_count - i_all_intra)*csize),
4129 h->stat.i_mb_cbp[5] * 100.0 / ((i_mb_count - i_all_intra)*csize) );
4130 x264_log( h, X264_LOG_INFO, "coded y,%s,%s intra: %.1f%% %.1f%% %.1f%%%s\n",
4131 CHROMA444?"u":"uvDC", CHROMA444?"v":"uvAC",
4132 h->stat.i_mb_cbp[0] * 100.0 / (i_all_intra*4),
4133 h->stat.i_mb_cbp[2] * 100.0 / (i_all_intra*csize),
4134 h->stat.i_mb_cbp[4] * 100.0 / (i_all_intra*csize), buf );
4136 int64_t fixed_pred_modes[4][9] = {{0}};
4137 int64_t sum_pred_modes[4] = {0};
4138 for( int i = 0; i <= I_PRED_16x16_DC_128; i++ )
4140 fixed_pred_modes[0][x264_mb_pred_mode16x16_fix[i]] += h->stat.i_mb_pred_mode[0][i];
4141 sum_pred_modes[0] += h->stat.i_mb_pred_mode[0][i];
4143 if( sum_pred_modes[0] )
4144 x264_log( h, X264_LOG_INFO, "i16 v,h,dc,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
4145 fixed_pred_modes[0][0] * 100.0 / sum_pred_modes[0],
4146 fixed_pred_modes[0][1] * 100.0 / sum_pred_modes[0],
4147 fixed_pred_modes[0][2] * 100.0 / sum_pred_modes[0],
4148 fixed_pred_modes[0][3] * 100.0 / sum_pred_modes[0] );
4149 for( int i = 1; i <= 2; i++ )
4151 for( int j = 0; j <= I_PRED_8x8_DC_128; j++ )
4153 fixed_pred_modes[i][x264_mb_pred_mode4x4_fix(j)] += h->stat.i_mb_pred_mode[i][j];
4154 sum_pred_modes[i] += h->stat.i_mb_pred_mode[i][j];
4156 if( sum_pred_modes[i] )
4157 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,
4158 fixed_pred_modes[i][0] * 100.0 / sum_pred_modes[i],
4159 fixed_pred_modes[i][1] * 100.0 / sum_pred_modes[i],
4160 fixed_pred_modes[i][2] * 100.0 / sum_pred_modes[i],
4161 fixed_pred_modes[i][3] * 100.0 / sum_pred_modes[i],
4162 fixed_pred_modes[i][4] * 100.0 / sum_pred_modes[i],
4163 fixed_pred_modes[i][5] * 100.0 / sum_pred_modes[i],
4164 fixed_pred_modes[i][6] * 100.0 / sum_pred_modes[i],
4165 fixed_pred_modes[i][7] * 100.0 / sum_pred_modes[i],
4166 fixed_pred_modes[i][8] * 100.0 / sum_pred_modes[i] );
4168 for( int i = 0; i <= I_PRED_CHROMA_DC_128; i++ )
4170 fixed_pred_modes[3][x264_mb_chroma_pred_mode_fix[i]] += h->stat.i_mb_pred_mode[3][i];
4171 sum_pred_modes[3] += h->stat.i_mb_pred_mode[3][i];
4173 if( sum_pred_modes[3] && !CHROMA444 )
4174 x264_log( h, X264_LOG_INFO, "i8c dc,h,v,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
4175 fixed_pred_modes[3][0] * 100.0 / sum_pred_modes[3],
4176 fixed_pred_modes[3][1] * 100.0 / sum_pred_modes[3],
4177 fixed_pred_modes[3][2] * 100.0 / sum_pred_modes[3],
4178 fixed_pred_modes[3][3] * 100.0 / sum_pred_modes[3] );
4180 if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE && h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
4181 x264_log( h, X264_LOG_INFO, "Weighted P-Frames: Y:%.1f%% UV:%.1f%%\n",
4182 h->stat.i_wpred[0] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P],
4183 h->stat.i_wpred[1] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P] );
4185 for( int i_list = 0; i_list < 2; i_list++ )
4186 for( int i_slice = 0; i_slice < 2; i_slice++ )
4191 for( int i = 0; i < X264_REF_MAX*2; i++ )
4192 if( h->stat.i_mb_count_ref[i_slice][i_list][i] )
4194 i_den += h->stat.i_mb_count_ref[i_slice][i_list][i];
4199 for( int i = 0; i <= i_max; i++ )
4200 p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i_list][i] / i_den );
4201 x264_log( h, X264_LOG_INFO, "ref %c L%d:%s\n", "PB"[i_slice], i_list, buf );
4204 if( h->param.analyse.b_ssim )
4206 float ssim = SUM3( h->stat.f_ssim_mean_y ) / duration;
4207 x264_log( h, X264_LOG_INFO, "SSIM Mean Y:%.7f (%6.3fdb)\n", ssim, x264_ssim( ssim ) );
4209 if( h->param.analyse.b_psnr )
4211 x264_log( h, X264_LOG_INFO,
4212 "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
4213 SUM3( h->stat.f_psnr_mean_y ) / duration,
4214 SUM3( h->stat.f_psnr_mean_u ) / duration,
4215 SUM3( h->stat.f_psnr_mean_v ) / duration,
4216 SUM3( h->stat.f_psnr_average ) / duration,
4217 x264_psnr( SUM3( h->stat.f_ssd_global ), duration * i_yuv_size ),
4221 x264_log( h, X264_LOG_INFO, "kb/s:%.2f\n", f_bitrate );
4225 x264_ratecontrol_delete( h );
4228 if( h->param.rc.psz_stat_out )
4229 free( h->param.rc.psz_stat_out );
4230 if( h->param.rc.psz_stat_in )
4231 free( h->param.rc.psz_stat_in );
4233 x264_cqm_delete( h );
4234 x264_free( h->nal_buffer );
4235 x264_free( h->reconfig_h );
4236 x264_analyse_free_costs( h );
4238 if( h->i_thread_frames > 1 )
4239 h = h->thread[h->i_thread_phase];
4242 x264_frame_delete_list( h->frames.unused[0] );
4243 x264_frame_delete_list( h->frames.unused[1] );
4244 x264_frame_delete_list( h->frames.current );
4245 x264_frame_delete_list( h->frames.blank_unused );
4249 for( int i = 0; i < h->i_thread_frames; i++ )
4250 if( h->thread[i]->b_thread_active )
4251 for( int j = 0; j < h->thread[i]->i_ref[0]; j++ )
4252 if( h->thread[i]->fref[0][j] && h->thread[i]->fref[0][j]->b_duplicate )
4253 x264_frame_delete( h->thread[i]->fref[0][j] );
4255 if( h->param.i_lookahead_threads > 1 )
4256 for( int i = 0; i < h->param.i_lookahead_threads; i++ )
4257 x264_free( h->lookahead_thread[i] );
4259 for( int i = h->param.i_threads - 1; i >= 0; i-- )
4261 x264_frame_t **frame;
4263 if( !h->param.b_sliced_threads || i == 0 )
4265 for( frame = h->thread[i]->frames.reference; *frame; frame++ )
4267 assert( (*frame)->i_reference_count > 0 );
4268 (*frame)->i_reference_count--;
4269 if( (*frame)->i_reference_count == 0 )
4270 x264_frame_delete( *frame );
4272 frame = &h->thread[i]->fdec;
4275 assert( (*frame)->i_reference_count > 0 );
4276 (*frame)->i_reference_count--;
4277 if( (*frame)->i_reference_count == 0 )
4278 x264_frame_delete( *frame );
4280 x264_macroblock_cache_free( h->thread[i] );
4282 x264_macroblock_thread_free( h->thread[i], 0 );
4283 x264_free( h->thread[i]->out.p_bitstream );
4284 x264_free( h->thread[i]->out.nal );
4285 x264_pthread_mutex_destroy( &h->thread[i]->mutex );
4286 x264_pthread_cond_destroy( &h->thread[i]->cv );
4287 x264_free( h->thread[i] );
4290 x264_opencl_close_library( ocl );
4294 int x264_encoder_delayed_frames( x264_t *h )
4296 int delayed_frames = 0;
4297 if( h->i_thread_frames > 1 )
4299 for( int i = 0; i < h->i_thread_frames; i++ )
4300 delayed_frames += h->thread[i]->b_thread_active;
4301 h = h->thread[h->i_thread_phase];
4303 for( int i = 0; h->frames.current[i]; i++ )
4305 x264_pthread_mutex_lock( &h->lookahead->ofbuf.mutex );
4306 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
4307 x264_pthread_mutex_lock( &h->lookahead->next.mutex );
4308 delayed_frames += h->lookahead->ifbuf.i_size + h->lookahead->next.i_size + h->lookahead->ofbuf.i_size;
4309 x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
4310 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
4311 x264_pthread_mutex_unlock( &h->lookahead->ofbuf.mutex );
4312 return delayed_frames;
4315 int x264_encoder_maximum_delayed_frames( x264_t *h )
4317 return h->frames.i_delay;