1 /*****************************************************************************
2 * encoder.c: top-level encoder functions
3 *****************************************************************************
4 * Copyright (C) 2003-2015 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"
35 #if HAVE_INTEL_DISPATCHER
36 #include "extras/intel_dispatcher.h"
39 //#define DEBUG_MB_TYPE
41 #define bs_write_ue bs_write_ue_big
43 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
44 x264_nal_t **pp_nal, int *pi_nal,
45 x264_picture_t *pic_out );
47 /****************************************************************************
49 ******************************* x264 libs **********************************
51 ****************************************************************************/
52 static double x264_psnr( double sqe, double size )
54 double mse = sqe / (PIXEL_MAX*PIXEL_MAX * size);
55 if( mse <= 0.0000000001 ) /* Max 100dB */
58 return -10.0 * log10( mse );
61 static double x264_ssim( double ssim )
63 double inv_ssim = 1 - ssim;
64 if( inv_ssim <= 0.0000000001 ) /* Max 100dB */
67 return -10.0 * log10( inv_ssim );
70 static int x264_threadpool_wait_all( x264_t *h )
72 for( int i = 0; i < h->param.i_threads; i++ )
73 if( h->thread[i]->b_thread_active )
75 h->thread[i]->b_thread_active = 0;
76 if( (intptr_t)x264_threadpool_wait( h->threadpool, h->thread[i] ) < 0 )
82 static void x264_frame_dump( x264_t *h )
84 FILE *f = x264_fopen( h->param.psz_dump_yuv, "r+b" );
88 /* Wait for the threads to finish deblocking */
89 if( h->param.b_sliced_threads )
90 x264_threadpool_wait_all( h );
92 /* Write the frame in display order */
93 int frame_size = FRAME_SIZE( h->param.i_height * h->param.i_width * sizeof(pixel) );
94 if( !fseek( f, (int64_t)h->fdec->i_frame * frame_size, SEEK_SET ) )
96 for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
97 for( int y = 0; y < h->param.i_height; y++ )
98 fwrite( &h->fdec->plane[p][y*h->fdec->i_stride[p]], sizeof(pixel), h->param.i_width, f );
101 int cw = h->param.i_width>>1;
102 int ch = h->param.i_height>>CHROMA_V_SHIFT;
103 pixel *planeu = x264_malloc( (cw*ch*2+32)*sizeof(pixel) );
106 pixel *planev = planeu + cw*ch + 16;
107 h->mc.plane_copy_deinterleave( planeu, cw, planev, cw, h->fdec->plane[1], h->fdec->i_stride[1], cw, ch );
108 fwrite( planeu, 1, cw*ch*sizeof(pixel), f );
109 fwrite( planev, 1, cw*ch*sizeof(pixel), f );
117 /* Fill "default" values */
118 static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
119 x264_sps_t *sps, x264_pps_t *pps,
120 int i_idr_pic_id, int i_frame, int i_qp )
122 x264_param_t *param = &h->param;
124 /* First we fill all fields */
129 sh->i_last_mb = h->mb.i_mb_count - 1;
130 sh->i_pps_id = pps->i_id;
132 sh->i_frame_num = i_frame;
134 sh->b_mbaff = PARAM_INTERLACED;
135 sh->b_field_pic = 0; /* no field support for now */
136 sh->b_bottom_field = 0; /* not yet used */
138 sh->i_idr_pic_id = i_idr_pic_id;
140 /* poc stuff, fixed later */
142 sh->i_delta_poc_bottom = 0;
143 sh->i_delta_poc[0] = 0;
144 sh->i_delta_poc[1] = 0;
146 sh->i_redundant_pic_cnt = 0;
148 h->mb.b_direct_auto_write = h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
150 && ( h->param.rc.b_stat_write || !h->param.rc.b_stat_read );
152 if( !h->mb.b_direct_auto_read && sh->i_type == SLICE_TYPE_B )
154 if( h->fref[1][0]->i_poc_l0ref0 == h->fref[0][0]->i_poc )
156 if( h->mb.b_direct_auto_write )
157 sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] );
159 sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL );
163 h->mb.b_direct_auto_write = 0;
164 sh->b_direct_spatial_mv_pred = 1;
167 /* else b_direct_spatial_mv_pred was read from the 2pass statsfile */
169 sh->b_num_ref_idx_override = 0;
170 sh->i_num_ref_idx_l0_active = 1;
171 sh->i_num_ref_idx_l1_active = 1;
173 sh->b_ref_pic_list_reordering[0] = h->b_ref_reorder[0];
174 sh->b_ref_pic_list_reordering[1] = h->b_ref_reorder[1];
176 /* If the ref list isn't in the default order, construct reordering header */
177 for( int list = 0; list < 2; list++ )
179 if( sh->b_ref_pic_list_reordering[list] )
181 int pred_frame_num = i_frame;
182 for( int i = 0; i < h->i_ref[list]; i++ )
184 int diff = h->fref[list][i]->i_frame_num - pred_frame_num;
185 sh->ref_pic_list_order[list][i].idc = ( diff > 0 );
186 sh->ref_pic_list_order[list][i].arg = (abs(diff) - 1) & ((1 << sps->i_log2_max_frame_num) - 1);
187 pred_frame_num = h->fref[list][i]->i_frame_num;
192 sh->i_cabac_init_idc = param->i_cabac_init_idc;
194 sh->i_qp = SPEC_QP(i_qp);
195 sh->i_qp_delta = sh->i_qp - pps->i_pic_init_qp;
196 sh->b_sp_for_swidth = 0;
199 int deblock_thresh = i_qp + 2 * X264_MIN(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta);
200 /* If effective qp <= 15, deblocking would have no effect anyway */
201 if( param->b_deblocking_filter && (h->mb.b_variable_qp || 15 < deblock_thresh ) )
202 sh->i_disable_deblocking_filter_idc = param->b_sliced_threads ? 2 : 0;
204 sh->i_disable_deblocking_filter_idc = 1;
205 sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1;
206 sh->i_beta_offset = param->i_deblocking_filter_beta << 1;
209 static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc )
213 int first_x = sh->i_first_mb % sh->sps->i_mb_width;
214 int first_y = sh->i_first_mb / sh->sps->i_mb_width;
215 assert( (first_y&1) == 0 );
216 bs_write_ue( s, (2*first_x + sh->sps->i_mb_width*(first_y&~1) + (first_y&1)) >> 1 );
219 bs_write_ue( s, sh->i_first_mb );
221 bs_write_ue( s, sh->i_type + 5 ); /* same type things */
222 bs_write_ue( s, sh->i_pps_id );
223 bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num & ((1<<sh->sps->i_log2_max_frame_num)-1) );
225 if( !sh->sps->b_frame_mbs_only )
227 bs_write1( s, sh->b_field_pic );
228 if( sh->b_field_pic )
229 bs_write1( s, sh->b_bottom_field );
232 if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */
233 bs_write_ue( s, sh->i_idr_pic_id );
235 if( sh->sps->i_poc_type == 0 )
237 bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc & ((1<<sh->sps->i_log2_max_poc_lsb)-1) );
238 if( sh->pps->b_pic_order && !sh->b_field_pic )
239 bs_write_se( s, sh->i_delta_poc_bottom );
242 if( sh->pps->b_redundant_pic_cnt )
243 bs_write_ue( s, sh->i_redundant_pic_cnt );
245 if( sh->i_type == SLICE_TYPE_B )
246 bs_write1( s, sh->b_direct_spatial_mv_pred );
248 if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_B )
250 bs_write1( s, sh->b_num_ref_idx_override );
251 if( sh->b_num_ref_idx_override )
253 bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 );
254 if( sh->i_type == SLICE_TYPE_B )
255 bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 );
259 /* ref pic list reordering */
260 if( sh->i_type != SLICE_TYPE_I )
262 bs_write1( s, sh->b_ref_pic_list_reordering[0] );
263 if( sh->b_ref_pic_list_reordering[0] )
265 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
267 bs_write_ue( s, sh->ref_pic_list_order[0][i].idc );
268 bs_write_ue( s, sh->ref_pic_list_order[0][i].arg );
273 if( sh->i_type == SLICE_TYPE_B )
275 bs_write1( s, sh->b_ref_pic_list_reordering[1] );
276 if( sh->b_ref_pic_list_reordering[1] )
278 for( int i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
280 bs_write_ue( s, sh->ref_pic_list_order[1][i].idc );
281 bs_write_ue( s, sh->ref_pic_list_order[1][i].arg );
287 sh->b_weighted_pred = 0;
288 if( sh->pps->b_weighted_pred && sh->i_type == SLICE_TYPE_P )
290 sh->b_weighted_pred = sh->weight[0][0].weightfn || sh->weight[0][1].weightfn || sh->weight[0][2].weightfn;
291 /* pred_weight_table() */
292 bs_write_ue( s, sh->weight[0][0].i_denom );
293 bs_write_ue( s, sh->weight[0][1].i_denom );
294 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
296 int luma_weight_l0_flag = !!sh->weight[i][0].weightfn;
297 int chroma_weight_l0_flag = !!sh->weight[i][1].weightfn || !!sh->weight[i][2].weightfn;
298 bs_write1( s, luma_weight_l0_flag );
299 if( luma_weight_l0_flag )
301 bs_write_se( s, sh->weight[i][0].i_scale );
302 bs_write_se( s, sh->weight[i][0].i_offset );
304 bs_write1( s, chroma_weight_l0_flag );
305 if( chroma_weight_l0_flag )
307 for( int j = 1; j < 3; j++ )
309 bs_write_se( s, sh->weight[i][j].i_scale );
310 bs_write_se( s, sh->weight[i][j].i_offset );
315 else if( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B )
320 if( i_nal_ref_idc != 0 )
322 if( sh->i_idr_pic_id >= 0 )
324 bs_write1( s, 0 ); /* no output of prior pics flag */
325 bs_write1( s, 0 ); /* long term reference flag */
329 bs_write1( s, sh->i_mmco_command_count > 0 ); /* adaptive_ref_pic_marking_mode_flag */
330 if( sh->i_mmco_command_count > 0 )
332 for( int i = 0; i < sh->i_mmco_command_count; i++ )
334 bs_write_ue( s, 1 ); /* mark short term ref as unused */
335 bs_write_ue( s, sh->mmco[i].i_difference_of_pic_nums - 1 );
337 bs_write_ue( s, 0 ); /* end command list */
342 if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I )
343 bs_write_ue( s, sh->i_cabac_init_idc );
345 bs_write_se( s, sh->i_qp_delta ); /* slice qp delta */
347 if( sh->pps->b_deblocking_filter_control )
349 bs_write_ue( s, sh->i_disable_deblocking_filter_idc );
350 if( sh->i_disable_deblocking_filter_idc != 1 )
352 bs_write_se( s, sh->i_alpha_c0_offset >> 1 );
353 bs_write_se( s, sh->i_beta_offset >> 1 );
358 /* If we are within a reasonable distance of the end of the memory allocated for the bitstream, */
359 /* reallocate, adding an arbitrary amount of space. */
360 static int x264_bitstream_check_buffer_internal( x264_t *h, int size, int b_cabac, int i_nal )
362 if( (b_cabac && (h->cabac.p_end - h->cabac.p < size)) ||
363 (h->out.bs.p_end - h->out.bs.p < size) )
365 int buf_size = h->out.i_bitstream + size;
366 uint8_t *buf = x264_malloc( buf_size );
369 int aligned_size = h->out.i_bitstream & ~15;
370 h->mc.memcpy_aligned( buf, h->out.p_bitstream, aligned_size );
371 memcpy( buf + aligned_size, h->out.p_bitstream + aligned_size, h->out.i_bitstream - aligned_size );
373 intptr_t delta = buf - h->out.p_bitstream;
375 h->out.bs.p_start += delta;
376 h->out.bs.p += delta;
377 h->out.bs.p_end = buf + buf_size;
379 h->cabac.p_start += delta;
381 h->cabac.p_end = buf + buf_size;
383 for( int i = 0; i <= i_nal; i++ )
384 h->out.nal[i].p_payload += delta;
386 x264_free( h->out.p_bitstream );
387 h->out.p_bitstream = buf;
388 h->out.i_bitstream = buf_size;
393 static int x264_bitstream_check_buffer( x264_t *h )
395 int max_row_size = (2500 << SLICE_MBAFF) * h->mb.i_mb_width;
396 return x264_bitstream_check_buffer_internal( h, max_row_size, h->param.b_cabac, h->out.i_nal );
399 static int x264_bitstream_check_buffer_filler( x264_t *h, int filler )
401 filler += 32; // add padding for safety
402 return x264_bitstream_check_buffer_internal( h, filler, 0, -1 );
406 static void x264_encoder_thread_init( x264_t *h )
408 if( h->param.i_sync_lookahead )
409 x264_lower_thread_priority( 10 );
413 /****************************************************************************
415 ****************************************************************************
416 ****************************** External API*********************************
417 ****************************************************************************
419 ****************************************************************************/
421 static int x264_validate_parameters( x264_t *h, int b_open )
423 if( !h->param.pf_log )
425 x264_log( NULL, X264_LOG_ERROR, "pf_log not set! did you forget to call x264_param_default?\n" );
432 int cpuflags = x264_cpu_detect();
435 if( !(cpuflags & X264_CPU_SSE) )
437 x264_log( h, X264_LOG_ERROR, "your cpu does not support SSE1, but x264 was compiled with asm\n");
441 if( !(cpuflags & X264_CPU_MMX2) )
443 x264_log( h, X264_LOG_ERROR, "your cpu does not support MMXEXT, but x264 was compiled with asm\n");
447 if( !fail && !(cpuflags & X264_CPU_CMOV) )
449 x264_log( h, X264_LOG_ERROR, "your cpu does not support CMOV, but x264 was compiled with asm\n");
454 x264_log( h, X264_LOG_ERROR, "to run x264, recompile without asm (configure --disable-asm)\n");
461 h->param.b_interlaced = !!PARAM_INTERLACED;
463 if( h->param.b_interlaced )
465 x264_log( h, X264_LOG_ERROR, "not compiled with interlaced support\n" );
470 if( h->param.i_width <= 0 || h->param.i_height <= 0 )
472 x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
473 h->param.i_width, h->param.i_height );
477 int i_csp = h->param.i_csp & X264_CSP_MASK;
478 #if X264_CHROMA_FORMAT
479 if( CHROMA_FORMAT != CHROMA_420 && i_csp >= X264_CSP_I420 && i_csp < X264_CSP_I422 )
481 x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:0 support\n" );
484 else if( CHROMA_FORMAT != CHROMA_422 && i_csp >= X264_CSP_I422 && i_csp < X264_CSP_I444 )
486 x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:2 support\n" );
489 else if( CHROMA_FORMAT != CHROMA_444 && i_csp >= X264_CSP_I444 && i_csp <= X264_CSP_RGB )
491 x264_log( h, X264_LOG_ERROR, "not compiled with 4:4:4 support\n" );
495 if( i_csp <= X264_CSP_NONE || i_csp >= X264_CSP_MAX )
497 x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420/YV12/NV12/NV21/I422/YV16/NV16/I444/YV24/BGR/BGRA/RGB supported)\n" );
501 int w_mod = i_csp < X264_CSP_I444 ? 2 : 1;
502 int h_mod = (i_csp < X264_CSP_I422 ? 2 : 1) << PARAM_INTERLACED;
503 if( h->param.i_width % w_mod )
505 x264_log( h, X264_LOG_ERROR, "width not divisible by %d (%dx%d)\n",
506 w_mod, h->param.i_width, h->param.i_height );
509 if( h->param.i_height % h_mod )
511 x264_log( h, X264_LOG_ERROR, "height not divisible by %d (%dx%d)\n",
512 h_mod, h->param.i_width, h->param.i_height );
516 if( h->param.crop_rect.i_left >= h->param.i_width ||
517 h->param.crop_rect.i_right >= h->param.i_width ||
518 h->param.crop_rect.i_top >= h->param.i_height ||
519 h->param.crop_rect.i_bottom >= h->param.i_height ||
520 h->param.crop_rect.i_left + h->param.crop_rect.i_right >= h->param.i_width ||
521 h->param.crop_rect.i_top + h->param.crop_rect.i_bottom >= h->param.i_height )
523 x264_log( h, X264_LOG_ERROR, "invalid crop-rect %u,%u,%u,%u\n", h->param.crop_rect.i_left,
524 h->param.crop_rect.i_top, h->param.crop_rect.i_right, h->param.crop_rect.i_bottom );
527 if( h->param.crop_rect.i_left % w_mod || h->param.crop_rect.i_right % w_mod ||
528 h->param.crop_rect.i_top % h_mod || h->param.crop_rect.i_bottom % h_mod )
530 x264_log( h, X264_LOG_ERROR, "crop-rect %u,%u,%u,%u not divisible by %dx%d\n", h->param.crop_rect.i_left,
531 h->param.crop_rect.i_top, h->param.crop_rect.i_right, h->param.crop_rect.i_bottom, w_mod, h_mod );
535 if( h->param.vui.i_sar_width <= 0 || h->param.vui.i_sar_height <= 0 )
537 h->param.vui.i_sar_width = 0;
538 h->param.vui.i_sar_height = 0;
541 if( h->param.i_threads == X264_THREADS_AUTO )
543 h->param.i_threads = x264_cpu_num_processors() * (h->param.b_sliced_threads?2:3)/2;
544 /* Avoid too many threads as they don't improve performance and
545 * complicate VBV. Capped at an arbitrary 2 rows per thread. */
546 int max_threads = X264_MAX( 1, (h->param.i_height+15)/16 / 2 );
547 h->param.i_threads = X264_MIN( h->param.i_threads, max_threads );
549 int max_sliced_threads = X264_MAX( 1, (h->param.i_height+15)/16 / 4 );
550 if( h->param.i_threads > 1 )
553 x264_log( h, X264_LOG_WARNING, "not compiled with thread support!\n");
554 h->param.i_threads = 1;
556 /* Avoid absurdly small thread slices as they can reduce performance
557 * and VBV compliance. Capped at an arbitrary 4 rows per thread. */
558 if( h->param.b_sliced_threads )
559 h->param.i_threads = X264_MIN( h->param.i_threads, max_sliced_threads );
561 h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
562 if( h->param.i_threads == 1 )
564 h->param.b_sliced_threads = 0;
565 h->param.i_lookahead_threads = 1;
567 h->i_thread_frames = h->param.b_sliced_threads ? 1 : h->param.i_threads;
568 if( h->i_thread_frames > 1 )
569 h->param.nalu_process = NULL;
571 if( h->param.b_opencl )
574 x264_log( h, X264_LOG_WARNING, "OpenCL: not compiled with OpenCL support, disabling\n" );
575 h->param.b_opencl = 0;
577 x264_log( h, X264_LOG_WARNING, "OpenCL lookahead does not support high bit depth, disabling opencl\n" );
578 h->param.b_opencl = 0;
580 if( h->param.i_width < 32 || h->param.i_height < 32 )
582 x264_log( h, X264_LOG_WARNING, "OpenCL: frame size is too small, disabling opencl\n" );
583 h->param.b_opencl = 0;
586 if( h->param.opencl_device_id && h->param.i_opencl_device )
588 x264_log( h, X264_LOG_WARNING, "OpenCL: device id and device skip count configured; dropping skip\n" );
589 h->param.i_opencl_device = 0;
593 h->param.i_keyint_max = x264_clip3( h->param.i_keyint_max, 1, X264_KEYINT_MAX_INFINITE );
594 if( h->param.i_keyint_max == 1 )
596 h->param.b_intra_refresh = 0;
597 h->param.analyse.i_weighted_pred = 0;
598 h->param.i_frame_reference = 1;
599 h->param.i_dpb_size = 1;
602 if( h->param.i_frame_packing < -1 || h->param.i_frame_packing > 7 )
604 x264_log( h, X264_LOG_WARNING, "ignoring unknown frame packing value\n" );
605 h->param.i_frame_packing = -1;
607 if( h->param.i_frame_packing == 7 &&
608 ((h->param.i_width - h->param.crop_rect.i_left - h->param.crop_rect.i_right) % 3 ||
609 (h->param.i_height - h->param.crop_rect.i_top - h->param.crop_rect.i_bottom) % 3) )
611 x264_log( h, X264_LOG_ERROR, "cropped resolution %dx%d not compatible with tile format frame packing\n",
612 h->param.i_width - h->param.crop_rect.i_left - h->param.crop_rect.i_right,
613 h->param.i_height - h->param.crop_rect.i_top - h->param.crop_rect.i_bottom );
617 /* Detect default ffmpeg settings and terminate with an error. */
621 score += h->param.analyse.i_me_range == 0;
622 score += h->param.rc.i_qp_step == 3;
623 score += h->param.i_keyint_max == 12;
624 score += h->param.rc.i_qp_min == 2;
625 score += h->param.rc.i_qp_max == 31;
626 score += h->param.rc.f_qcompress == 0.5;
627 score += fabs(h->param.rc.f_ip_factor - 1.25) < 0.01;
628 score += fabs(h->param.rc.f_pb_factor - 1.25) < 0.01;
629 score += h->param.analyse.inter == 0 && h->param.analyse.i_subpel_refine == 8;
632 x264_log( h, X264_LOG_ERROR, "broken ffmpeg default settings detected\n" );
633 x264_log( h, X264_LOG_ERROR, "use an encoding preset (e.g. -vpre medium)\n" );
634 x264_log( h, X264_LOG_ERROR, "preset usage: -vpre <speed> -vpre <profile>\n" );
635 x264_log( h, X264_LOG_ERROR, "speed presets are listed in x264 --help\n" );
636 x264_log( h, X264_LOG_ERROR, "profile is optional; x264 defaults to high\n" );
641 if( h->param.rc.i_rc_method < 0 || h->param.rc.i_rc_method > 2 )
643 x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" );
647 if( PARAM_INTERLACED )
648 h->param.b_pic_struct = 1;
650 if( h->param.i_avcintra_class )
652 if( BIT_DEPTH != 10 )
654 x264_log( h, X264_LOG_ERROR, "%2d-bit AVC-Intra is not widely compatible\n", BIT_DEPTH );
655 x264_log( h, X264_LOG_ERROR, "10-bit x264 is required to encode AVC-Intra\n" );
659 int type = h->param.i_avcintra_class == 200 ? 2 :
660 h->param.i_avcintra_class == 100 ? 1 :
661 h->param.i_avcintra_class == 50 ? 0 : -1;
664 x264_log( h, X264_LOG_ERROR, "Invalid AVC-Intra class\n" );
668 /* [50/100/200][res][fps] */
675 const uint8_t *cqm_4ic;
676 const uint8_t *cqm_8iy;
677 } avcintra_lut[3][2][7] =
679 {{{ 60000, 1001, 0, 912, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
680 { 50, 1, 0, 1100, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
681 { 30000, 1001, 0, 912, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
682 { 25, 1, 0, 1100, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
683 { 24000, 1001, 0, 912, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy }},
684 {{ 30000, 1001, 1, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_1080i_8iy },
685 { 25, 1, 1, 2196, x264_cqm_avci50_4ic, x264_cqm_avci50_1080i_8iy },
686 { 60000, 1001, 0, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
687 { 30000, 1001, 0, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
688 { 50, 1, 0, 2196, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
689 { 25, 1, 0, 2196, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
690 { 24000, 1001, 0, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy }}},
691 {{{ 60000, 1001, 0, 1848, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
692 { 50, 1, 0, 2224, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
693 { 30000, 1001, 0, 1848, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
694 { 25, 1, 0, 2224, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
695 { 24000, 1001, 0, 1848, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy }},
696 {{ 30000, 1001, 1, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
697 { 25, 1, 1, 4444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
698 { 60000, 1001, 0, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
699 { 30000, 1001, 0, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
700 { 50, 1, 0, 4444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
701 { 25, 1, 0, 4444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
702 { 24000, 1001, 0, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy }}},
703 {{{ 60000, 1001, 0, 3724, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
704 { 50, 1, 0, 4472, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy }},
705 {{ 30000, 1001, 1, 7444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
706 { 25, 1, 1, 8940, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
707 { 60000, 1001, 0, 7444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
708 { 30000, 1001, 0, 7444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
709 { 50, 1, 0, 8940, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
710 { 25, 1, 0, 8940, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
711 { 24000, 1001, 0, 7444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy }}}
715 if( i_csp >= X264_CSP_I420 && i_csp < X264_CSP_I422 && !type )
717 if( h->param.i_width == 1440 && h->param.i_height == 1080 ) res = 1;
718 else if( h->param.i_width == 960 && h->param.i_height == 720 ) res = 0;
720 else if( i_csp >= X264_CSP_I422 && i_csp < X264_CSP_I444 && type )
722 if( h->param.i_width == 1920 && h->param.i_height == 1080 ) res = 1;
723 else if( h->param.i_width == 1280 && h->param.i_height == 720 ) res = 0;
727 x264_log( h, X264_LOG_ERROR, "Invalid colorspace for AVC-Intra %d\n", h->param.i_avcintra_class );
733 x264_log( h, X264_LOG_ERROR, "Resolution %dx%d invalid for AVC-Intra %d\n",
734 h->param.i_width, h->param.i_height, h->param.i_avcintra_class );
738 if( h->param.nalu_process )
740 x264_log( h, X264_LOG_ERROR, "nalu_process is not supported in AVC-Intra mode\n" );
744 if( !h->param.b_repeat_headers )
746 x264_log( h, X264_LOG_ERROR, "Separate headers not supported in AVC-Intra mode\n" );
751 uint32_t fps_num = h->param.i_fps_num, fps_den = h->param.i_fps_den;
752 x264_reduce_fraction( &fps_num, &fps_den );
753 for( i = 0; i < 7; i++ )
755 if( avcintra_lut[type][res][i].fps_num == fps_num &&
756 avcintra_lut[type][res][i].fps_den == fps_den &&
757 avcintra_lut[type][res][i].interlaced == PARAM_INTERLACED )
764 x264_log( h, X264_LOG_ERROR, "FPS %d/%d%c not compatible with AVC-Intra\n",
765 h->param.i_fps_num, h->param.i_fps_den, PARAM_INTERLACED ? 'i' : 'p' );
769 h->param.i_keyint_max = 1;
770 h->param.b_intra_refresh = 0;
771 h->param.analyse.i_weighted_pred = 0;
772 h->param.i_frame_reference = 1;
773 h->param.i_dpb_size = 1;
775 h->param.b_bluray_compat = 0;
776 h->param.b_vfr_input = 0;
778 h->param.vui.i_chroma_loc = 0;
779 h->param.i_nal_hrd = X264_NAL_HRD_NONE;
780 h->param.b_deblocking_filter = 0;
781 h->param.b_stitchable = 1;
782 h->param.b_pic_struct = 0;
783 h->param.analyse.b_transform_8x8 = 1;
784 h->param.analyse.intra = X264_ANALYSE_I8x8;
785 h->param.analyse.i_chroma_qp_offset = res && type ? 3 : 4;
786 h->param.b_cabac = !type;
787 h->param.rc.i_vbv_buffer_size = avcintra_lut[type][res][i].frame_size;
788 h->param.rc.i_vbv_max_bitrate =
789 h->param.rc.i_bitrate = h->param.rc.i_vbv_buffer_size * fps_num / fps_den;
790 h->param.rc.i_rc_method = X264_RC_ABR;
791 h->param.rc.f_vbv_buffer_init = 1.0;
792 h->param.rc.b_filler = 1;
793 h->param.i_cqm_preset = X264_CQM_CUSTOM;
794 memcpy( h->param.cqm_4iy, x264_cqm_jvt4i, sizeof(h->param.cqm_4iy) );
795 memcpy( h->param.cqm_4ic, avcintra_lut[type][res][i].cqm_4ic, sizeof(h->param.cqm_4ic) );
796 memcpy( h->param.cqm_8iy, avcintra_lut[type][res][i].cqm_8iy, sizeof(h->param.cqm_8iy) );
798 /* Need exactly 10 slices of equal MB count... why? $deity knows... */
799 h->param.i_slice_max_mbs = ((h->param.i_width + 15) / 16) * ((h->param.i_height + 15) / 16) / 10;
800 h->param.i_slice_max_size = 0;
801 /* The slice structure only allows a maximum of 2 threads for 1080i/p
802 * and 1 or 5 threads for 720p */
803 if( h->param.b_sliced_threads )
806 h->param.i_threads = X264_MIN( 2, h->param.i_threads );
809 h->param.i_threads = X264_MIN( 5, h->param.i_threads );
810 if( h->param.i_threads < 5 )
811 h->param.i_threads = 1;
816 h->param.vui.i_sar_width = h->param.vui.i_sar_height = 1;
819 h->param.vui.i_sar_width = 4;
820 h->param.vui.i_sar_height = 3;
823 /* Official encoder doesn't appear to go under 13
824 * and Avid cannot handle negative QPs */
825 h->param.rc.i_qp_min = X264_MAX( h->param.rc.i_qp_min, QP_BD_OFFSET + 1 );
828 h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, -QP_BD_OFFSET, 51 );
829 h->param.rc.f_rf_constant_max = x264_clip3f( h->param.rc.f_rf_constant_max, -QP_BD_OFFSET, 51 );
830 h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, QP_MAX );
831 h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 11 );
832 h->param.rc.f_ip_factor = X264_MAX( h->param.rc.f_ip_factor, 0.01f );
833 h->param.rc.f_pb_factor = X264_MAX( h->param.rc.f_pb_factor, 0.01f );
834 if( h->param.rc.i_rc_method == X264_RC_CRF )
836 h->param.rc.i_qp_constant = h->param.rc.f_rf_constant + QP_BD_OFFSET;
837 h->param.rc.i_bitrate = 0;
839 if( b_open && (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF)
840 && h->param.rc.i_qp_constant == 0 )
842 h->mb.b_lossless = 1;
843 h->param.i_cqm_preset = X264_CQM_FLAT;
844 h->param.psz_cqm_file = NULL;
845 h->param.rc.i_rc_method = X264_RC_CQP;
846 h->param.rc.f_ip_factor = 1;
847 h->param.rc.f_pb_factor = 1;
848 h->param.analyse.b_psnr = 0;
849 h->param.analyse.b_ssim = 0;
850 h->param.analyse.i_chroma_qp_offset = 0;
851 h->param.analyse.i_trellis = 0;
852 h->param.analyse.b_fast_pskip = 0;
853 h->param.analyse.i_noise_reduction = 0;
854 h->param.analyse.b_psy = 0;
855 h->param.i_bframe = 0;
856 /* 8x8dct is not useful without RD in CAVLC lossless */
857 if( !h->param.b_cabac && h->param.analyse.i_subpel_refine < 6 )
858 h->param.analyse.b_transform_8x8 = 0;
859 h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
860 h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
862 if( h->param.rc.i_rc_method == X264_RC_CQP )
864 float qp_p = h->param.rc.i_qp_constant;
865 float qp_i = qp_p - 6*log2f( h->param.rc.f_ip_factor );
866 float qp_b = qp_p + 6*log2f( h->param.rc.f_pb_factor );
867 h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, QP_MAX );
868 h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, QP_MAX );
869 h->param.rc.i_aq_mode = 0;
870 h->param.rc.b_mb_tree = 0;
871 h->param.rc.i_bitrate = 0;
873 h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, QP_MAX );
874 h->param.rc.i_qp_min = x264_clip3( h->param.rc.i_qp_min, 0, h->param.rc.i_qp_max );
875 h->param.rc.i_qp_step = x264_clip3( h->param.rc.i_qp_step, 2, QP_MAX );
876 h->param.rc.i_bitrate = x264_clip3( h->param.rc.i_bitrate, 0, 2000000 );
877 if( h->param.rc.i_rc_method == X264_RC_ABR && !h->param.rc.i_bitrate )
879 x264_log( h, X264_LOG_ERROR, "bitrate not specified\n" );
882 h->param.rc.i_vbv_buffer_size = x264_clip3( h->param.rc.i_vbv_buffer_size, 0, 2000000 );
883 h->param.rc.i_vbv_max_bitrate = x264_clip3( h->param.rc.i_vbv_max_bitrate, 0, 2000000 );
884 h->param.rc.f_vbv_buffer_init = x264_clip3f( h->param.rc.f_vbv_buffer_init, 0, 2000000 );
885 if( h->param.rc.i_vbv_buffer_size )
887 if( h->param.rc.i_rc_method == X264_RC_CQP )
889 x264_log( h, X264_LOG_WARNING, "VBV is incompatible with constant QP, ignored.\n" );
890 h->param.rc.i_vbv_max_bitrate = 0;
891 h->param.rc.i_vbv_buffer_size = 0;
893 else if( h->param.rc.i_vbv_max_bitrate == 0 )
895 if( h->param.rc.i_rc_method == X264_RC_ABR )
897 x264_log( h, X264_LOG_WARNING, "VBV maxrate unspecified, assuming CBR\n" );
898 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate;
902 x264_log( h, X264_LOG_WARNING, "VBV bufsize set but maxrate unspecified, ignored\n" );
903 h->param.rc.i_vbv_buffer_size = 0;
906 else if( h->param.rc.i_vbv_max_bitrate < h->param.rc.i_bitrate &&
907 h->param.rc.i_rc_method == X264_RC_ABR )
909 x264_log( h, X264_LOG_WARNING, "max bitrate less than average bitrate, assuming CBR\n" );
910 h->param.rc.i_bitrate = h->param.rc.i_vbv_max_bitrate;
913 else if( h->param.rc.i_vbv_max_bitrate )
915 x264_log( h, X264_LOG_WARNING, "VBV maxrate specified, but no bufsize, ignored\n" );
916 h->param.rc.i_vbv_max_bitrate = 0;
919 h->param.i_slice_max_size = X264_MAX( h->param.i_slice_max_size, 0 );
920 h->param.i_slice_max_mbs = X264_MAX( h->param.i_slice_max_mbs, 0 );
921 h->param.i_slice_min_mbs = X264_MAX( h->param.i_slice_min_mbs, 0 );
922 if( h->param.i_slice_max_mbs )
923 h->param.i_slice_min_mbs = X264_MIN( h->param.i_slice_min_mbs, h->param.i_slice_max_mbs/2 );
924 else if( !h->param.i_slice_max_size )
925 h->param.i_slice_min_mbs = 0;
926 if( PARAM_INTERLACED && h->param.i_slice_min_mbs )
928 x264_log( h, X264_LOG_WARNING, "interlace + slice-min-mbs is not implemented\n" );
929 h->param.i_slice_min_mbs = 0;
931 int mb_width = (h->param.i_width+15)/16;
932 if( h->param.i_slice_min_mbs > mb_width )
934 x264_log( h, X264_LOG_WARNING, "slice-min-mbs > row mb size (%d) not implemented\n", mb_width );
935 h->param.i_slice_min_mbs = mb_width;
938 int max_slices = (h->param.i_height+((16<<PARAM_INTERLACED)-1))/(16<<PARAM_INTERLACED);
939 if( h->param.b_sliced_threads )
940 h->param.i_slice_count = x264_clip3( h->param.i_threads, 0, max_slices );
943 h->param.i_slice_count = x264_clip3( h->param.i_slice_count, 0, max_slices );
944 if( h->param.i_slice_max_mbs || h->param.i_slice_max_size )
945 h->param.i_slice_count = 0;
947 if( h->param.i_slice_count_max > 0 )
948 h->param.i_slice_count_max = X264_MAX( h->param.i_slice_count, h->param.i_slice_count_max );
950 if( h->param.b_bluray_compat )
952 h->param.i_bframe_pyramid = X264_MIN( X264_B_PYRAMID_STRICT, h->param.i_bframe_pyramid );
953 h->param.i_bframe = X264_MIN( h->param.i_bframe, 3 );
955 h->param.i_nal_hrd = X264_MAX( h->param.i_nal_hrd, X264_NAL_HRD_VBR );
956 h->param.i_slice_max_size = 0;
957 h->param.i_slice_max_mbs = 0;
958 h->param.b_intra_refresh = 0;
959 h->param.i_frame_reference = X264_MIN( h->param.i_frame_reference, 6 );
960 h->param.i_dpb_size = X264_MIN( h->param.i_dpb_size, 6 );
961 /* Don't use I-frames, because Blu-ray treats them the same as IDR. */
962 h->param.i_keyint_min = 1;
963 /* Due to the proliferation of broken players that don't handle dupes properly. */
964 h->param.analyse.i_weighted_pred = X264_MIN( h->param.analyse.i_weighted_pred, X264_WEIGHTP_SIMPLE );
965 if( h->param.b_fake_interlaced )
966 h->param.b_pic_struct = 1;
969 h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, X264_REF_MAX );
970 h->param.i_dpb_size = x264_clip3( h->param.i_dpb_size, 1, X264_REF_MAX );
971 if( h->param.i_scenecut_threshold < 0 )
972 h->param.i_scenecut_threshold = 0;
973 h->param.analyse.i_direct_mv_pred = x264_clip3( h->param.analyse.i_direct_mv_pred, X264_DIRECT_PRED_NONE, X264_DIRECT_PRED_AUTO );
974 if( !h->param.analyse.i_subpel_refine && h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
976 x264_log( h, X264_LOG_WARNING, "subme=0 + direct=temporal is not supported\n" );
977 h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
979 h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_MIN( X264_BFRAME_MAX, h->param.i_keyint_max-1 ) );
980 h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
981 if( h->param.i_bframe <= 1 )
982 h->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
983 h->param.i_bframe_pyramid = x264_clip3( h->param.i_bframe_pyramid, X264_B_PYRAMID_NONE, X264_B_PYRAMID_NORMAL );
984 h->param.i_bframe_adaptive = x264_clip3( h->param.i_bframe_adaptive, X264_B_ADAPT_NONE, X264_B_ADAPT_TRELLIS );
985 if( !h->param.i_bframe )
987 h->param.i_bframe_adaptive = X264_B_ADAPT_NONE;
988 h->param.analyse.i_direct_mv_pred = 0;
989 h->param.analyse.b_weighted_bipred = 0;
990 h->param.b_open_gop = 0;
992 if( h->param.b_intra_refresh && h->param.i_bframe_pyramid == X264_B_PYRAMID_NORMAL )
994 x264_log( h, X264_LOG_WARNING, "b-pyramid normal + intra-refresh is not supported\n" );
995 h->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
997 if( h->param.b_intra_refresh && (h->param.i_frame_reference > 1 || h->param.i_dpb_size > 1) )
999 x264_log( h, X264_LOG_WARNING, "ref > 1 + intra-refresh is not supported\n" );
1000 h->param.i_frame_reference = 1;
1001 h->param.i_dpb_size = 1;
1003 if( h->param.b_intra_refresh && h->param.b_open_gop )
1005 x264_log( h, X264_LOG_WARNING, "intra-refresh is not compatible with open-gop\n" );
1006 h->param.b_open_gop = 0;
1008 if( !h->param.i_fps_num || !h->param.i_fps_den )
1010 h->param.i_fps_num = 25;
1011 h->param.i_fps_den = 1;
1013 float fps = (float)h->param.i_fps_num / h->param.i_fps_den;
1014 if( h->param.i_keyint_min == X264_KEYINT_MIN_AUTO )
1015 h->param.i_keyint_min = X264_MIN( h->param.i_keyint_max / 10, (int)fps );
1016 h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
1017 h->param.rc.i_lookahead = x264_clip3( h->param.rc.i_lookahead, 0, X264_LOOKAHEAD_MAX );
1019 int maxrate = X264_MAX( h->param.rc.i_vbv_max_bitrate, h->param.rc.i_bitrate );
1020 float bufsize = maxrate ? (float)h->param.rc.i_vbv_buffer_size / maxrate : 0;
1021 h->param.rc.i_lookahead = X264_MIN( h->param.rc.i_lookahead, X264_MAX( h->param.i_keyint_max, bufsize*fps ) );
1024 if( !h->param.i_timebase_num || !h->param.i_timebase_den || !(h->param.b_vfr_input || h->param.b_pulldown) )
1026 h->param.i_timebase_num = h->param.i_fps_den;
1027 h->param.i_timebase_den = h->param.i_fps_num;
1030 h->param.rc.f_qcompress = x264_clip3f( h->param.rc.f_qcompress, 0.0, 1.0 );
1031 if( h->param.i_keyint_max == 1 || h->param.rc.f_qcompress == 1 )
1032 h->param.rc.b_mb_tree = 0;
1033 if( (!h->param.b_intra_refresh && h->param.i_keyint_max != X264_KEYINT_MAX_INFINITE) &&
1034 !h->param.rc.i_lookahead && h->param.rc.b_mb_tree )
1036 x264_log( h, X264_LOG_WARNING, "lookaheadless mb-tree requires intra refresh or infinite keyint\n" );
1037 h->param.rc.b_mb_tree = 0;
1039 if( b_open && h->param.rc.b_stat_read )
1040 h->param.rc.i_lookahead = 0;
1042 if( h->param.i_sync_lookahead < 0 )
1043 h->param.i_sync_lookahead = h->param.i_bframe + 1;
1044 h->param.i_sync_lookahead = X264_MIN( h->param.i_sync_lookahead, X264_LOOKAHEAD_MAX );
1045 if( h->param.rc.b_stat_read || h->i_thread_frames == 1 )
1046 h->param.i_sync_lookahead = 0;
1048 h->param.i_sync_lookahead = 0;
1051 h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 );
1052 h->param.i_deblocking_filter_beta = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 );
1053 h->param.analyse.i_luma_deadzone[0] = x264_clip3( h->param.analyse.i_luma_deadzone[0], 0, 32 );
1054 h->param.analyse.i_luma_deadzone[1] = x264_clip3( h->param.analyse.i_luma_deadzone[1], 0, 32 );
1056 h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 );
1058 if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
1059 h->param.i_cqm_preset = X264_CQM_FLAT;
1061 if( h->param.analyse.i_me_method < X264_ME_DIA ||
1062 h->param.analyse.i_me_method > X264_ME_TESA )
1063 h->param.analyse.i_me_method = X264_ME_HEX;
1064 h->param.analyse.i_me_range = x264_clip3( h->param.analyse.i_me_range, 4, 1024 );
1065 if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
1066 h->param.analyse.i_me_range = 16;
1067 if( h->param.analyse.i_me_method == X264_ME_TESA &&
1068 (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) )
1069 h->param.analyse.i_me_method = X264_ME_ESA;
1070 h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1;
1071 h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16|
1072 X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
1073 h->param.analyse.intra &= X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
1074 if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
1075 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
1076 if( !h->param.analyse.b_transform_8x8 )
1078 h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
1079 h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
1081 h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
1082 h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 3 );
1083 h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 );
1084 if( h->param.rc.f_aq_strength == 0 )
1085 h->param.rc.i_aq_mode = 0;
1087 if( h->param.i_log_level < X264_LOG_INFO )
1089 h->param.analyse.b_psnr = 0;
1090 h->param.analyse.b_ssim = 0;
1092 /* Warn users trying to measure PSNR/SSIM with psy opts on. */
1093 if( b_open && (h->param.analyse.b_psnr || h->param.analyse.b_ssim) )
1097 if( h->param.analyse.b_psy )
1099 s = h->param.analyse.b_psnr ? "psnr" : "ssim";
1100 x264_log( h, X264_LOG_WARNING, "--%s used with psy on: results will be invalid!\n", s );
1102 else if( !h->param.rc.i_aq_mode && h->param.analyse.b_ssim )
1104 x264_log( h, X264_LOG_WARNING, "--ssim used with AQ off: results will be invalid!\n" );
1107 else if( h->param.rc.i_aq_mode && h->param.analyse.b_psnr )
1109 x264_log( h, X264_LOG_WARNING, "--psnr used with AQ on: results will be invalid!\n" );
1113 x264_log( h, X264_LOG_WARNING, "--tune %s should be used if attempting to benchmark %s!\n", s, s );
1116 if( !h->param.analyse.b_psy )
1118 h->param.analyse.f_psy_rd = 0;
1119 h->param.analyse.f_psy_trellis = 0;
1121 h->param.analyse.f_psy_rd = x264_clip3f( h->param.analyse.f_psy_rd, 0, 10 );
1122 h->param.analyse.f_psy_trellis = x264_clip3f( h->param.analyse.f_psy_trellis, 0, 10 );
1123 h->mb.i_psy_rd = h->param.analyse.i_subpel_refine >= 6 ? FIX8( h->param.analyse.f_psy_rd ) : 0;
1124 h->mb.i_psy_trellis = h->param.analyse.i_trellis ? FIX8( h->param.analyse.f_psy_trellis / 4 ) : 0;
1125 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -32, 32);
1126 /* In 4:4:4 mode, chroma gets twice as much resolution, so we can halve its quality. */
1127 if( b_open && i_csp >= X264_CSP_I444 && i_csp < X264_CSP_BGR && h->param.analyse.b_psy )
1128 h->param.analyse.i_chroma_qp_offset += 6;
1129 /* Psy RDO increases overall quantizers to improve the quality of luma--this indirectly hurts chroma quality */
1130 /* so we lower the chroma QP offset to compensate */
1131 if( b_open && h->mb.i_psy_rd && !h->param.i_avcintra_class )
1132 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_rd < 0.25 ? 1 : 2;
1133 /* Psy trellis has a similar effect. */
1134 if( b_open && h->mb.i_psy_trellis && !h->param.i_avcintra_class )
1135 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_trellis < 0.25 ? 1 : 2;
1136 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
1137 /* MB-tree requires AQ to be on, even if the strength is zero. */
1138 if( !h->param.rc.i_aq_mode && h->param.rc.b_mb_tree )
1140 h->param.rc.i_aq_mode = 1;
1141 h->param.rc.f_aq_strength = 0;
1143 h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 );
1144 if( h->param.analyse.i_subpel_refine >= 10 && (h->param.analyse.i_trellis != 2 || !h->param.rc.i_aq_mode) )
1145 h->param.analyse.i_subpel_refine = 9;
1148 const x264_level_t *l = x264_levels;
1149 if( h->param.i_level_idc < 0 )
1151 int maxrate_bak = h->param.rc.i_vbv_max_bitrate;
1152 if( h->param.rc.i_rc_method == X264_RC_ABR && h->param.rc.i_vbv_buffer_size <= 0 )
1153 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate * 2;
1154 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1155 do h->param.i_level_idc = l->level_idc;
1156 while( l[1].level_idc && x264_validate_levels( h, 0 ) && l++ );
1157 h->param.rc.i_vbv_max_bitrate = maxrate_bak;
1161 while( l->level_idc && l->level_idc != h->param.i_level_idc )
1163 if( l->level_idc == 0 )
1165 x264_log( h, X264_LOG_ERROR, "invalid level_idc: %d\n", h->param.i_level_idc );
1169 if( h->param.analyse.i_mv_range <= 0 )
1170 h->param.analyse.i_mv_range = l->mv_range >> PARAM_INTERLACED;
1172 h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> PARAM_INTERLACED);
1175 h->param.analyse.i_weighted_pred = x264_clip3( h->param.analyse.i_weighted_pred, X264_WEIGHTP_NONE, X264_WEIGHTP_SMART );
1177 if( h->param.i_lookahead_threads == X264_THREADS_AUTO )
1179 if( h->param.b_sliced_threads )
1180 h->param.i_lookahead_threads = h->param.i_threads;
1183 /* If we're using much slower lookahead settings than encoding settings, it helps a lot to use
1184 * more lookahead threads. This typically happens in the first pass of a two-pass encode, so
1185 * try to guess at this sort of case.
1187 * Tuned by a little bit of real encoding with the various presets. */
1188 int badapt = h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS;
1189 int subme = X264_MIN( h->param.analyse.i_subpel_refine / 3, 3 ) + (h->param.analyse.i_subpel_refine > 1);
1190 int bframes = X264_MIN( (h->param.i_bframe - 1) / 3, 3 );
1192 /* [b-adapt 0/1 vs 2][quantized subme][quantized bframes] */
1193 static const uint8_t lookahead_thread_div[2][5][4] =
1194 {{{6,6,6,6}, {3,3,3,3}, {4,4,4,4}, {6,6,6,6}, {12,12,12,12}},
1195 {{3,2,1,1}, {2,1,1,1}, {4,3,2,1}, {6,4,3,2}, {12, 9, 6, 4}}};
1197 h->param.i_lookahead_threads = h->param.i_threads / lookahead_thread_div[badapt][subme][bframes];
1198 /* Since too many lookahead threads significantly degrades lookahead accuracy, limit auto
1199 * lookahead threads to about 8 macroblock rows high each at worst. This number is chosen
1200 * pretty much arbitrarily. */
1201 h->param.i_lookahead_threads = X264_MIN( h->param.i_lookahead_threads, h->param.i_height / 128 );
1204 h->param.i_lookahead_threads = x264_clip3( h->param.i_lookahead_threads, 1, X264_MIN( max_sliced_threads, X264_LOOKAHEAD_THREAD_MAX ) );
1206 if( PARAM_INTERLACED )
1208 if( h->param.analyse.i_me_method >= X264_ME_ESA )
1210 x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
1211 h->param.analyse.i_me_method = X264_ME_UMH;
1213 if( h->param.analyse.i_weighted_pred > 0 )
1215 x264_log( h, X264_LOG_WARNING, "interlace + weightp is not implemented\n" );
1216 h->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
1220 if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy )
1221 h->param.analyse.i_weighted_pred = X264_WEIGHTP_FAKE;
1223 if( h->i_thread_frames > 1 )
1225 int r = h->param.analyse.i_mv_range_thread;
1229 // half of the available space is reserved and divided evenly among the threads,
1230 // the rest is allocated to whichever thread is far enough ahead to use it.
1231 // reserving more space increases quality for some videos, but costs more time
1232 // in thread synchronization.
1233 int max_range = (h->param.i_height + X264_THREAD_HEIGHT) / h->i_thread_frames - X264_THREAD_HEIGHT;
1236 r = X264_MAX( r, h->param.analyse.i_me_range );
1237 r = X264_MIN( r, h->param.analyse.i_mv_range );
1238 // round up to use the whole mb row
1239 r2 = (r & ~15) + ((-X264_THREAD_HEIGHT) & 15);
1242 x264_log( h, X264_LOG_DEBUG, "using mv_range_thread = %d\n", r2 );
1243 h->param.analyse.i_mv_range_thread = r2;
1246 if( h->param.rc.f_rate_tolerance < 0 )
1247 h->param.rc.f_rate_tolerance = 0;
1248 if( h->param.rc.f_qblur < 0 )
1249 h->param.rc.f_qblur = 0;
1250 if( h->param.rc.f_complexity_blur < 0 )
1251 h->param.rc.f_complexity_blur = 0;
1253 h->param.i_sps_id &= 31;
1255 h->param.i_nal_hrd = x264_clip3( h->param.i_nal_hrd, X264_NAL_HRD_NONE, X264_NAL_HRD_CBR );
1257 if( h->param.i_nal_hrd && !h->param.rc.i_vbv_buffer_size )
1259 x264_log( h, X264_LOG_WARNING, "NAL HRD parameters require VBV parameters\n" );
1260 h->param.i_nal_hrd = X264_NAL_HRD_NONE;
1263 if( h->param.i_nal_hrd == X264_NAL_HRD_CBR &&
1264 (h->param.rc.i_bitrate != h->param.rc.i_vbv_max_bitrate || !h->param.rc.i_vbv_max_bitrate) )
1266 x264_log( h, X264_LOG_WARNING, "CBR HRD requires constant bitrate\n" );
1267 h->param.i_nal_hrd = X264_NAL_HRD_VBR;
1270 if( h->param.i_nal_hrd == X264_NAL_HRD_CBR )
1271 h->param.rc.b_filler = 1;
1273 /* ensure the booleans are 0 or 1 so they can be used in math */
1274 #define BOOLIFY(x) h->param.x = !!h->param.x
1276 BOOLIFY( b_constrained_intra );
1277 BOOLIFY( b_deblocking_filter );
1278 BOOLIFY( b_deterministic );
1279 BOOLIFY( b_sliced_threads );
1280 BOOLIFY( b_interlaced );
1281 BOOLIFY( b_intra_refresh );
1283 BOOLIFY( b_repeat_headers );
1284 BOOLIFY( b_annexb );
1285 BOOLIFY( b_vfr_input );
1286 BOOLIFY( b_pulldown );
1288 BOOLIFY( b_pic_struct );
1289 BOOLIFY( b_fake_interlaced );
1290 BOOLIFY( b_open_gop );
1291 BOOLIFY( b_bluray_compat );
1292 BOOLIFY( b_stitchable );
1293 BOOLIFY( b_full_recon );
1294 BOOLIFY( b_opencl );
1295 BOOLIFY( analyse.b_transform_8x8 );
1296 BOOLIFY( analyse.b_weighted_bipred );
1297 BOOLIFY( analyse.b_chroma_me );
1298 BOOLIFY( analyse.b_mixed_references );
1299 BOOLIFY( analyse.b_fast_pskip );
1300 BOOLIFY( analyse.b_dct_decimate );
1301 BOOLIFY( analyse.b_psy );
1302 BOOLIFY( analyse.b_psnr );
1303 BOOLIFY( analyse.b_ssim );
1304 BOOLIFY( rc.b_stat_write );
1305 BOOLIFY( rc.b_stat_read );
1306 BOOLIFY( rc.b_mb_tree );
1307 BOOLIFY( rc.b_filler );
1313 static void mbcmp_init( x264_t *h )
1315 int satd = !h->mb.b_lossless && h->param.analyse.i_subpel_refine > 1;
1316 memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad_aligned, sizeof(h->pixf.mbcmp) );
1317 memcpy( h->pixf.mbcmp_unaligned, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp_unaligned) );
1318 h->pixf.intra_mbcmp_x3_16x16 = satd ? h->pixf.intra_satd_x3_16x16 : h->pixf.intra_sad_x3_16x16;
1319 h->pixf.intra_mbcmp_x3_8x16c = satd ? h->pixf.intra_satd_x3_8x16c : h->pixf.intra_sad_x3_8x16c;
1320 h->pixf.intra_mbcmp_x3_8x8c = satd ? h->pixf.intra_satd_x3_8x8c : h->pixf.intra_sad_x3_8x8c;
1321 h->pixf.intra_mbcmp_x3_8x8 = satd ? h->pixf.intra_sa8d_x3_8x8 : h->pixf.intra_sad_x3_8x8;
1322 h->pixf.intra_mbcmp_x3_4x4 = satd ? h->pixf.intra_satd_x3_4x4 : h->pixf.intra_sad_x3_4x4;
1323 h->pixf.intra_mbcmp_x9_4x4 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
1324 : satd ? h->pixf.intra_satd_x9_4x4 : h->pixf.intra_sad_x9_4x4;
1325 h->pixf.intra_mbcmp_x9_8x8 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
1326 : satd ? h->pixf.intra_sa8d_x9_8x8 : h->pixf.intra_sad_x9_8x8;
1327 satd &= h->param.analyse.i_me_method == X264_ME_TESA;
1328 memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) );
1329 memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) );
1330 memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) );
1333 static void chroma_dsp_init( x264_t *h )
1335 memcpy( h->luma2chroma_pixel, x264_luma2chroma_pixel[CHROMA_FORMAT], sizeof(h->luma2chroma_pixel) );
1337 switch( CHROMA_FORMAT )
1340 memcpy( h->predict_chroma, h->predict_8x8c, sizeof(h->predict_chroma) );
1341 h->mc.prefetch_fenc = h->mc.prefetch_fenc_420;
1342 h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_420;
1343 h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_420_intra;
1344 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_420_mbaff;
1345 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_420_intra_mbaff;
1346 h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x8c;
1347 h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last4;
1348 h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run4;
1351 memcpy( h->predict_chroma, h->predict_8x16c, sizeof(h->predict_chroma) );
1352 h->mc.prefetch_fenc = h->mc.prefetch_fenc_422;
1353 h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_422;
1354 h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_422_intra;
1355 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_422_mbaff;
1356 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_422_intra_mbaff;
1357 h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x16c;
1358 h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last8;
1359 h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run8;
1362 h->mc.prefetch_fenc = h->mc.prefetch_fenc_422; /* FIXME: doesn't cover V plane */
1363 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_luma_mbaff;
1364 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_luma_intra_mbaff;
1369 static void x264_set_aspect_ratio( x264_t *h, x264_param_t *param, int initial )
1372 if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
1374 uint32_t i_w = param->vui.i_sar_width;
1375 uint32_t i_h = param->vui.i_sar_height;
1376 uint32_t old_w = h->param.vui.i_sar_width;
1377 uint32_t old_h = h->param.vui.i_sar_height;
1379 x264_reduce_fraction( &i_w, &i_h );
1381 while( i_w > 65535 || i_h > 65535 )
1387 x264_reduce_fraction( &i_w, &i_h );
1389 if( i_w != old_w || i_h != old_h || initial )
1391 h->param.vui.i_sar_width = 0;
1392 h->param.vui.i_sar_height = 0;
1393 if( i_w == 0 || i_h == 0 )
1394 x264_log( h, X264_LOG_WARNING, "cannot create valid sample aspect ratio\n" );
1397 x264_log( h, initial?X264_LOG_INFO:X264_LOG_DEBUG, "using SAR=%d/%d\n", i_w, i_h );
1398 h->param.vui.i_sar_width = i_w;
1399 h->param.vui.i_sar_height = i_h;
1405 /****************************************************************************
1406 * x264_encoder_open:
1407 ****************************************************************************/
1408 x264_t *x264_encoder_open( x264_param_t *param )
1412 int qp, i_slicetype_length;
1414 CHECKED_MALLOCZERO( h, sizeof(x264_t) );
1416 /* Create a copy of param */
1417 memcpy( &h->param, param, sizeof(x264_param_t) );
1419 if( param->param_free )
1420 param->param_free( param );
1422 #if HAVE_INTEL_DISPATCHER
1423 x264_intel_dispatcher_override();
1426 if( x264_threading_init() )
1428 x264_log( h, X264_LOG_ERROR, "unable to initialize threading\n" );
1432 if( x264_validate_parameters( h, 1 ) < 0 )
1435 if( h->param.psz_cqm_file )
1436 if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
1439 if( h->param.rc.psz_stat_out )
1440 h->param.rc.psz_stat_out = strdup( h->param.rc.psz_stat_out );
1441 if( h->param.rc.psz_stat_in )
1442 h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
1444 x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
1445 x264_reduce_fraction( &h->param.i_timebase_num, &h->param.i_timebase_den );
1451 if( h->param.i_avcintra_class )
1452 h->i_idr_pic_id = 5;
1454 h->i_idr_pic_id = 0;
1456 if( (uint64_t)h->param.i_timebase_den * 2 > UINT32_MAX )
1458 x264_log( h, X264_LOG_ERROR, "Effective timebase denominator %u exceeds H.264 maximum\n", h->param.i_timebase_den );
1462 x264_set_aspect_ratio( h, &h->param, 1 );
1464 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1465 x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps );
1467 x264_validate_levels( h, 1 );
1469 h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset;
1471 if( x264_cqm_init( h ) < 0 )
1474 h->mb.i_mb_width = h->sps->i_mb_width;
1475 h->mb.i_mb_height = h->sps->i_mb_height;
1476 h->mb.i_mb_count = h->mb.i_mb_width * h->mb.i_mb_height;
1478 h->mb.chroma_h_shift = CHROMA_FORMAT == CHROMA_420 || CHROMA_FORMAT == CHROMA_422;
1479 h->mb.chroma_v_shift = CHROMA_FORMAT == CHROMA_420;
1481 /* Adaptive MBAFF and subme 0 are not supported as we require halving motion
1482 * vectors during prediction, resulting in hpel mvs.
1483 * The chosen solution is to make MBAFF non-adaptive in this case. */
1484 h->mb.b_adaptive_mbaff = PARAM_INTERLACED && h->param.analyse.i_subpel_refine;
1487 if( h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS && !h->param.rc.b_stat_read )
1488 h->frames.i_delay = X264_MAX(h->param.i_bframe,3)*4;
1490 h->frames.i_delay = h->param.i_bframe;
1491 if( h->param.rc.b_mb_tree || h->param.rc.i_vbv_buffer_size )
1492 h->frames.i_delay = X264_MAX( h->frames.i_delay, h->param.rc.i_lookahead );
1493 i_slicetype_length = h->frames.i_delay;
1494 h->frames.i_delay += h->i_thread_frames - 1;
1495 h->frames.i_delay += h->param.i_sync_lookahead;
1496 h->frames.i_delay += h->param.b_vfr_input;
1497 h->frames.i_bframe_delay = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 2 : 1) : 0;
1499 h->frames.i_max_ref0 = h->param.i_frame_reference;
1500 h->frames.i_max_ref1 = X264_MIN( h->sps->vui.i_num_reorder_frames, h->param.i_frame_reference );
1501 h->frames.i_max_dpb = h->sps->vui.i_max_dec_frame_buffering;
1502 h->frames.b_have_lowres = !h->param.rc.b_stat_read
1503 && ( h->param.rc.i_rc_method == X264_RC_ABR
1504 || h->param.rc.i_rc_method == X264_RC_CRF
1505 || h->param.i_bframe_adaptive
1506 || h->param.i_scenecut_threshold
1507 || h->param.rc.b_mb_tree
1508 || h->param.analyse.i_weighted_pred );
1509 h->frames.b_have_lowres |= h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0;
1510 h->frames.b_have_sub8x8_esa = !!(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
1512 h->frames.i_last_idr =
1513 h->frames.i_last_keyframe = - h->param.i_keyint_max;
1514 h->frames.i_input = 0;
1515 h->frames.i_largest_pts = h->frames.i_second_largest_pts = -1;
1516 h->frames.i_poc_last_open_gop = -1;
1518 CHECKED_MALLOCZERO( h->frames.unused[0], (h->frames.i_delay + 3) * sizeof(x264_frame_t *) );
1519 /* Allocate room for max refs plus a few extra just in case. */
1520 CHECKED_MALLOCZERO( h->frames.unused[1], (h->i_thread_frames + X264_REF_MAX + 4) * sizeof(x264_frame_t *) );
1521 CHECKED_MALLOCZERO( h->frames.current, (h->param.i_sync_lookahead + h->param.i_bframe
1522 + h->i_thread_frames + 3) * sizeof(x264_frame_t *) );
1523 if( h->param.analyse.i_weighted_pred > 0 )
1524 CHECKED_MALLOCZERO( h->frames.blank_unused, h->i_thread_frames * 4 * sizeof(x264_frame_t *) );
1525 h->i_ref[0] = h->i_ref[1] = 0;
1526 h->i_cpb_delay = h->i_coded_fields = h->i_disp_fields = 0;
1527 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);
1528 h->i_disp_fields_last_frame = -1;
1531 /* init CPU functions */
1532 x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
1533 x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
1534 x264_predict_8x16c_init( h->param.cpu, h->predict_8x16c );
1535 x264_predict_8x8_init( h->param.cpu, h->predict_8x8, &h->predict_8x8_filter );
1536 x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
1537 x264_pixel_init( h->param.cpu, &h->pixf );
1538 x264_dct_init( h->param.cpu, &h->dctf );
1539 x264_zigzag_init( h->param.cpu, &h->zigzagf_progressive, &h->zigzagf_interlaced );
1540 memcpy( &h->zigzagf, PARAM_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
1541 x264_mc_init( h->param.cpu, &h->mc, h->param.b_cpu_independent );
1542 x264_quant_init( h, h->param.cpu, &h->quantf );
1543 x264_deblock_init( h->param.cpu, &h->loopf, PARAM_INTERLACED );
1544 x264_bitstream_init( h->param.cpu, &h->bsf );
1545 if( h->param.b_cabac )
1546 x264_cabac_init( h );
1548 x264_stack_align( x264_cavlc_init, h );
1551 chroma_dsp_init( h );
1553 p = buf + sprintf( buf, "using cpu capabilities:" );
1554 for( int i = 0; x264_cpu_names[i].flags; i++ )
1556 if( !strcmp(x264_cpu_names[i].name, "SSE")
1557 && h->param.cpu & (X264_CPU_SSE2) )
1559 if( !strcmp(x264_cpu_names[i].name, "SSE2")
1560 && h->param.cpu & (X264_CPU_SSE2_IS_FAST|X264_CPU_SSE2_IS_SLOW) )
1562 if( !strcmp(x264_cpu_names[i].name, "SSE3")
1563 && (h->param.cpu & X264_CPU_SSSE3 || !(h->param.cpu & X264_CPU_CACHELINE_64)) )
1565 if( !strcmp(x264_cpu_names[i].name, "SSE4.1")
1566 && (h->param.cpu & X264_CPU_SSE42) )
1568 if( !strcmp(x264_cpu_names[i].name, "BMI1")
1569 && (h->param.cpu & X264_CPU_BMI2) )
1571 if( (h->param.cpu & x264_cpu_names[i].flags) == x264_cpu_names[i].flags
1572 && (!i || x264_cpu_names[i].flags != x264_cpu_names[i-1].flags) )
1573 p += sprintf( p, " %s", x264_cpu_names[i].name );
1576 p += sprintf( p, " none!" );
1577 x264_log( h, X264_LOG_INFO, "%s\n", buf );
1579 float *logs = x264_analyse_prepare_costs( h );
1582 for( qp = X264_MIN( h->param.rc.i_qp_min, QP_MAX_SPEC ); qp <= h->param.rc.i_qp_max; qp++ )
1583 if( x264_analyse_init_costs( h, logs, qp ) )
1585 if( x264_analyse_init_costs( h, logs, X264_LOOKAHEAD_QP ) )
1589 static const uint16_t cost_mv_correct[7] = { 24, 47, 95, 189, 379, 757, 1515 };
1590 /* Checks for known miscompilation issues. */
1591 if( h->cost_mv[X264_LOOKAHEAD_QP][2013] != cost_mv_correct[BIT_DEPTH-8] )
1593 x264_log( h, X264_LOG_ERROR, "MV cost test failed: x264 has been miscompiled!\n" );
1597 /* Must be volatile or else GCC will optimize it out. */
1598 volatile int temp = 392;
1599 if( x264_clz( temp ) != 23 )
1601 x264_log( h, X264_LOG_ERROR, "CLZ test failed: x264 has been miscompiled!\n" );
1602 #if ARCH_X86 || ARCH_X86_64
1603 x264_log( h, X264_LOG_ERROR, "Are you attempting to run an SSE4a/LZCNT-targeted build on a CPU that\n" );
1604 x264_log( h, X264_LOG_ERROR, "doesn't support it?\n" );
1610 h->out.i_bitstream = X264_MAX( 1000000, h->param.i_width * h->param.i_height * 4
1611 * ( h->param.rc.i_rc_method == X264_RC_ABR ? pow( 0.95, h->param.rc.i_qp_min )
1612 : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
1614 h->nal_buffer_size = h->out.i_bitstream * 3/2 + 4 + 64; /* +4 for startcode, +64 for nal_escape assembly padding */
1615 CHECKED_MALLOC( h->nal_buffer, h->nal_buffer_size );
1617 CHECKED_MALLOC( h->reconfig_h, sizeof(x264_t) );
1619 if( h->param.i_threads > 1 &&
1620 x264_threadpool_init( &h->threadpool, h->param.i_threads, (void*)x264_encoder_thread_init, h ) )
1622 if( h->param.i_lookahead_threads > 1 &&
1623 x264_threadpool_init( &h->lookaheadpool, h->param.i_lookahead_threads, NULL, NULL ) )
1627 if( h->param.b_opencl )
1629 h->opencl.ocl = x264_opencl_load_library();
1630 if( !h->opencl.ocl )
1632 x264_log( h, X264_LOG_WARNING, "failed to load OpenCL\n" );
1633 h->param.b_opencl = 0;
1639 for( int i = 1; i < h->param.i_threads + !!h->param.i_sync_lookahead; i++ )
1640 CHECKED_MALLOC( h->thread[i], sizeof(x264_t) );
1641 if( h->param.i_lookahead_threads > 1 )
1642 for( int i = 0; i < h->param.i_lookahead_threads; i++ )
1644 CHECKED_MALLOC( h->lookahead_thread[i], sizeof(x264_t) );
1645 *h->lookahead_thread[i] = *h;
1647 *h->reconfig_h = *h;
1649 for( int i = 0; i < h->param.i_threads; i++ )
1651 int init_nal_count = h->param.i_slice_count + 3;
1652 int allocate_threadlocal_data = !h->param.b_sliced_threads || !i;
1656 if( x264_pthread_mutex_init( &h->thread[i]->mutex, NULL ) )
1658 if( x264_pthread_cond_init( &h->thread[i]->cv, NULL ) )
1661 if( allocate_threadlocal_data )
1663 h->thread[i]->fdec = x264_frame_pop_unused( h, 1 );
1664 if( !h->thread[i]->fdec )
1668 h->thread[i]->fdec = h->thread[0]->fdec;
1670 CHECKED_MALLOC( h->thread[i]->out.p_bitstream, h->out.i_bitstream );
1671 /* Start each thread with room for init_nal_count NAL units; it'll realloc later if needed. */
1672 CHECKED_MALLOC( h->thread[i]->out.nal, init_nal_count*sizeof(x264_nal_t) );
1673 h->thread[i]->out.i_nals_allocated = init_nal_count;
1675 if( allocate_threadlocal_data && x264_macroblock_cache_allocate( h->thread[i] ) < 0 )
1680 if( h->param.b_opencl && x264_opencl_lookahead_init( h ) < 0 )
1681 h->param.b_opencl = 0;
1684 if( x264_lookahead_init( h, i_slicetype_length ) )
1687 for( int i = 0; i < h->param.i_threads; i++ )
1688 if( x264_macroblock_thread_allocate( h->thread[i], 0 ) < 0 )
1691 if( x264_ratecontrol_new( h ) < 0 )
1694 if( h->param.i_nal_hrd )
1696 x264_log( h, X264_LOG_DEBUG, "HRD bitrate: %i bits/sec\n", h->sps->vui.hrd.i_bit_rate_unscaled );
1697 x264_log( h, X264_LOG_DEBUG, "CPB size: %i bits\n", h->sps->vui.hrd.i_cpb_size_unscaled );
1700 if( h->param.psz_dump_yuv )
1702 /* create or truncate the reconstructed video file */
1703 FILE *f = x264_fopen( h->param.psz_dump_yuv, "w" );
1706 x264_log( h, X264_LOG_ERROR, "dump_yuv: can't write to %s\n", h->param.psz_dump_yuv );
1709 else if( !x264_is_regular_file( f ) )
1711 x264_log( h, X264_LOG_ERROR, "dump_yuv: incompatible with non-regular file %s\n", h->param.psz_dump_yuv );
1718 const char *profile = h->sps->i_profile_idc == PROFILE_BASELINE ? "Constrained Baseline" :
1719 h->sps->i_profile_idc == PROFILE_MAIN ? "Main" :
1720 h->sps->i_profile_idc == PROFILE_HIGH ? "High" :
1721 h->sps->i_profile_idc == PROFILE_HIGH10 ? (h->sps->b_constraint_set3 == 1 ? "High 10 Intra" : "High 10") :
1722 h->sps->i_profile_idc == PROFILE_HIGH422 ? (h->sps->b_constraint_set3 == 1 ? "High 4:2:2 Intra" : "High 4:2:2") :
1723 h->sps->b_constraint_set3 == 1 ? "High 4:4:4 Intra" : "High 4:4:4 Predictive";
1725 snprintf( level, sizeof(level), "%d.%d", h->sps->i_level_idc/10, h->sps->i_level_idc%10 );
1726 if( h->sps->i_level_idc == 9 || ( h->sps->i_level_idc == 11 && h->sps->b_constraint_set3 &&
1727 (h->sps->i_profile_idc == PROFILE_BASELINE || h->sps->i_profile_idc == PROFILE_MAIN) ) )
1728 strcpy( level, "1b" );
1730 if( h->sps->i_profile_idc < PROFILE_HIGH10 )
1732 x264_log( h, X264_LOG_INFO, "profile %s, level %s\n",
1737 static const char * const subsampling[4] = { "4:0:0", "4:2:0", "4:2:2", "4:4:4" };
1738 x264_log( h, X264_LOG_INFO, "profile %s, level %s, %s %d-bit\n",
1739 profile, level, subsampling[CHROMA_FORMAT], BIT_DEPTH );
1748 /****************************************************************************/
1749 static int x264_encoder_try_reconfig( x264_t *h, x264_param_t *param, int *rc_reconfig )
1752 x264_set_aspect_ratio( h, param, 0 );
1753 #define COPY(var) h->param.var = param->var
1754 COPY( i_frame_reference ); // but never uses more refs than initially specified
1755 COPY( i_bframe_bias );
1756 if( h->param.i_scenecut_threshold )
1757 COPY( i_scenecut_threshold ); // can't turn it on or off, only vary the threshold
1758 COPY( b_deblocking_filter );
1759 COPY( i_deblocking_filter_alphac0 );
1760 COPY( i_deblocking_filter_beta );
1761 COPY( i_frame_packing );
1762 COPY( analyse.inter );
1763 COPY( analyse.intra );
1764 COPY( analyse.i_direct_mv_pred );
1765 /* Scratch buffer prevents me_range from being increased for esa/tesa */
1766 if( h->param.analyse.i_me_method < X264_ME_ESA || param->analyse.i_me_range < h->param.analyse.i_me_range )
1767 COPY( analyse.i_me_range );
1768 COPY( analyse.i_noise_reduction );
1769 /* We can't switch out of subme=0 during encoding. */
1770 if( h->param.analyse.i_subpel_refine )
1771 COPY( analyse.i_subpel_refine );
1772 COPY( analyse.i_trellis );
1773 COPY( analyse.b_chroma_me );
1774 COPY( analyse.b_dct_decimate );
1775 COPY( analyse.b_fast_pskip );
1776 COPY( analyse.b_mixed_references );
1777 COPY( analyse.f_psy_rd );
1778 COPY( analyse.f_psy_trellis );
1780 // can only twiddle these if they were enabled to begin with:
1781 if( h->param.analyse.i_me_method >= X264_ME_ESA || param->analyse.i_me_method < X264_ME_ESA )
1782 COPY( analyse.i_me_method );
1783 if( h->param.analyse.i_me_method >= X264_ME_ESA && !h->frames.b_have_sub8x8_esa )
1784 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
1785 if( h->pps->b_transform_8x8_mode )
1786 COPY( analyse.b_transform_8x8 );
1787 if( h->frames.i_max_ref1 > 1 )
1788 COPY( i_bframe_pyramid );
1789 COPY( i_slice_max_size );
1790 COPY( i_slice_max_mbs );
1791 COPY( i_slice_min_mbs );
1792 COPY( i_slice_count );
1793 COPY( i_slice_count_max );
1796 /* VBV can't be turned on if it wasn't on to begin with */
1797 if( h->param.rc.i_vbv_max_bitrate > 0 && h->param.rc.i_vbv_buffer_size > 0 &&
1798 param->rc.i_vbv_max_bitrate > 0 && param->rc.i_vbv_buffer_size > 0 )
1800 *rc_reconfig |= h->param.rc.i_vbv_max_bitrate != param->rc.i_vbv_max_bitrate;
1801 *rc_reconfig |= h->param.rc.i_vbv_buffer_size != param->rc.i_vbv_buffer_size;
1802 *rc_reconfig |= h->param.rc.i_bitrate != param->rc.i_bitrate;
1803 COPY( rc.i_vbv_max_bitrate );
1804 COPY( rc.i_vbv_buffer_size );
1805 COPY( rc.i_bitrate );
1807 *rc_reconfig |= h->param.rc.f_rf_constant != param->rc.f_rf_constant;
1808 *rc_reconfig |= h->param.rc.f_rf_constant_max != param->rc.f_rf_constant_max;
1809 COPY( rc.f_rf_constant );
1810 COPY( rc.f_rf_constant_max );
1813 return x264_validate_parameters( h, 0 );
1816 int x264_encoder_reconfig_apply( x264_t *h, x264_param_t *param )
1819 int ret = x264_encoder_try_reconfig( h, param, &rc_reconfig );
1823 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1825 /* Supported reconfiguration options (1-pass only):
1829 * bitrate (CBR only) */
1830 if( !ret && rc_reconfig )
1831 x264_ratecontrol_init_reconfigurable( h, 0 );
1836 /****************************************************************************
1837 * x264_encoder_reconfig:
1838 ****************************************************************************/
1839 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
1841 h = h->thread[h->thread[0]->i_thread_phase];
1842 x264_param_t param_save = h->reconfig_h->param;
1843 h->reconfig_h->param = h->param;
1846 int ret = x264_encoder_try_reconfig( h->reconfig_h, param, &rc_reconfig );
1850 h->reconfig_h->param = param_save;
1855 /****************************************************************************
1856 * x264_encoder_parameters:
1857 ****************************************************************************/
1858 void x264_encoder_parameters( x264_t *h, x264_param_t *param )
1860 memcpy( param, &h->thread[h->i_thread_phase]->param, sizeof(x264_param_t) );
1863 /* internal usage */
1864 static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
1866 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1868 nal->i_ref_idc = i_ref_idc;
1869 nal->i_type = i_type;
1870 nal->b_long_startcode = 1;
1873 nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1877 /* if number of allocated nals is not enough, re-allocate a larger one. */
1878 static int x264_nal_check_buffer( x264_t *h )
1880 if( h->out.i_nal >= h->out.i_nals_allocated )
1882 x264_nal_t *new_out = x264_malloc( sizeof(x264_nal_t) * (h->out.i_nals_allocated*2) );
1885 memcpy( new_out, h->out.nal, sizeof(x264_nal_t) * (h->out.i_nals_allocated) );
1886 x264_free( h->out.nal );
1887 h->out.nal = new_out;
1888 h->out.i_nals_allocated *= 2;
1893 static int x264_nal_end( x264_t *h )
1895 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1896 uint8_t *end = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1897 nal->i_payload = end - nal->p_payload;
1898 /* Assembly implementation of nal_escape reads past the end of the input.
1899 * While undefined padding wouldn't actually affect the output, it makes valgrind unhappy. */
1900 memset( end, 0xff, 64 );
1901 if( h->param.nalu_process )
1902 h->param.nalu_process( h, nal, h->fenc->opaque );
1905 return x264_nal_check_buffer( h );
1908 static int x264_check_encapsulated_buffer( x264_t *h, x264_t *h0, int start,
1909 int previous_nal_size, int necessary_size )
1911 if( h0->nal_buffer_size < necessary_size )
1913 necessary_size *= 2;
1914 uint8_t *buf = x264_malloc( necessary_size );
1917 if( previous_nal_size )
1918 memcpy( buf, h0->nal_buffer, previous_nal_size );
1920 intptr_t delta = buf - h0->nal_buffer;
1921 for( int i = 0; i < start; i++ )
1922 h->out.nal[i].p_payload += delta;
1924 x264_free( h0->nal_buffer );
1925 h0->nal_buffer = buf;
1926 h0->nal_buffer_size = necessary_size;
1932 static int x264_encoder_encapsulate_nals( x264_t *h, int start )
1934 x264_t *h0 = h->thread[0];
1935 int nal_size = 0, previous_nal_size = 0;
1937 if( h->param.nalu_process )
1939 for( int i = start; i < h->out.i_nal; i++ )
1940 nal_size += h->out.nal[i].i_payload;
1944 for( int i = 0; i < start; i++ )
1945 previous_nal_size += h->out.nal[i].i_payload;
1947 for( int i = start; i < h->out.i_nal; i++ )
1948 nal_size += h->out.nal[i].i_payload;
1950 /* Worst-case NAL unit escaping: reallocate the buffer if it's too small. */
1951 int necessary_size = previous_nal_size + nal_size * 3/2 + h->out.i_nal * 4 + 4 + 64;
1952 for( int i = start; i < h->out.i_nal; i++ )
1953 necessary_size += h->out.nal[i].i_padding;
1954 if( x264_check_encapsulated_buffer( h, h0, start, previous_nal_size, necessary_size ) )
1957 uint8_t *nal_buffer = h0->nal_buffer + previous_nal_size;
1959 for( int i = start; i < h->out.i_nal; i++ )
1961 int old_payload_len = h->out.nal[i].i_payload;
1962 h->out.nal[i].b_long_startcode = !i || h->out.nal[i].i_type == NAL_SPS || h->out.nal[i].i_type == NAL_PPS ||
1963 h->param.i_avcintra_class;
1964 x264_nal_encode( h, nal_buffer, &h->out.nal[i] );
1965 nal_buffer += h->out.nal[i].i_payload;
1966 if( h->param.i_avcintra_class )
1968 h->out.nal[i].i_padding -= h->out.nal[i].i_payload - (old_payload_len + NALU_OVERHEAD);
1969 if( h->out.nal[i].i_padding > 0 )
1971 memset( nal_buffer, 0, h->out.nal[i].i_padding );
1972 nal_buffer += h->out.nal[i].i_padding;
1973 h->out.nal[i].i_payload += h->out.nal[i].i_padding;
1975 h->out.nal[i].i_padding = X264_MAX( h->out.nal[i].i_padding, 0 );
1981 return nal_buffer - (h0->nal_buffer + previous_nal_size);
1984 /****************************************************************************
1985 * x264_encoder_headers:
1986 ****************************************************************************/
1987 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
1990 /* init bitstream context */
1992 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
1994 /* Write SEI, SPS and PPS. */
1996 /* generate sequence parameters */
1997 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
1998 x264_sps_write( &h->out.bs, h->sps );
1999 if( x264_nal_end( h ) )
2002 /* generate picture parameters */
2003 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
2004 x264_pps_write( &h->out.bs, h->sps, h->pps );
2005 if( x264_nal_end( h ) )
2008 /* identify ourselves */
2009 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
2010 if( x264_sei_version_write( h, &h->out.bs ) )
2012 if( x264_nal_end( h ) )
2015 frame_size = x264_encoder_encapsulate_nals( h, 0 );
2016 if( frame_size < 0 )
2020 *pi_nal = h->out.i_nal;
2021 *pp_nal = &h->out.nal[0];
2027 /* Check to see whether we have chosen a reference list ordering different
2028 * from the standard's default. */
2029 static inline void x264_reference_check_reorder( x264_t *h )
2031 /* The reorder check doesn't check for missing frames, so just
2032 * force a reorder if one of the reference list is corrupt. */
2033 for( int i = 0; h->frames.reference[i]; i++ )
2034 if( h->frames.reference[i]->b_corrupt )
2036 h->b_ref_reorder[0] = 1;
2039 for( int list = 0; list <= (h->sh.i_type == SLICE_TYPE_B); list++ )
2040 for( int i = 0; i < h->i_ref[list] - 1; i++ )
2042 int framenum_diff = h->fref[list][i+1]->i_frame_num - h->fref[list][i]->i_frame_num;
2043 int poc_diff = h->fref[list][i+1]->i_poc - h->fref[list][i]->i_poc;
2044 /* P and B-frames use different default orders. */
2045 if( h->sh.i_type == SLICE_TYPE_P ? framenum_diff > 0 : list == 1 ? poc_diff < 0 : poc_diff > 0 )
2047 h->b_ref_reorder[list] = 1;
2053 /* return -1 on failure, else return the index of the new reference frame */
2054 int x264_weighted_reference_duplicate( x264_t *h, int i_ref, const x264_weight_t *w )
2056 int i = h->i_ref[0];
2058 x264_frame_t *newframe;
2059 if( i <= 1 ) /* empty list, definitely can't duplicate frame */
2062 //Duplication is only used in X264_WEIGHTP_SMART
2063 if( h->param.analyse.i_weighted_pred != X264_WEIGHTP_SMART )
2066 /* Duplication is a hack to compensate for crappy rounding in motion compensation.
2067 * With high bit depth, it's not worth doing, so turn it off except in the case of
2068 * unweighted dupes. */
2069 if( BIT_DEPTH > 8 && w != x264_weight_none )
2072 newframe = x264_frame_pop_blank_unused( h );
2076 //FIXME: probably don't need to copy everything
2077 *newframe = *h->fref[0][i_ref];
2078 newframe->i_reference_count = 1;
2079 newframe->orig = h->fref[0][i_ref];
2080 newframe->b_duplicate = 1;
2081 memcpy( h->fenc->weight[j], w, sizeof(h->fenc->weight[i]) );
2083 /* shift the frames to make space for the dupe. */
2084 h->b_ref_reorder[0] = 1;
2085 if( h->i_ref[0] < X264_REF_MAX )
2087 h->fref[0][X264_REF_MAX-1] = NULL;
2088 x264_frame_unshift( &h->fref[0][j], newframe );
2093 static void x264_weighted_pred_init( x264_t *h )
2095 /* for now no analysis and set all weights to nothing */
2096 for( int i_ref = 0; i_ref < h->i_ref[0]; i_ref++ )
2097 h->fenc->weighted[i_ref] = h->fref[0][i_ref]->filtered[0][0];
2099 // FIXME: This only supports weighting of one reference frame
2100 // and duplicates of that frame.
2101 h->fenc->i_lines_weighted = 0;
2103 for( int i_ref = 0; i_ref < (h->i_ref[0] << SLICE_MBAFF); i_ref++ )
2104 for( int i = 0; i < 3; i++ )
2105 h->sh.weight[i_ref][i].weightfn = NULL;
2108 if( h->sh.i_type != SLICE_TYPE_P || h->param.analyse.i_weighted_pred <= 0 )
2111 int i_padv = PADV << PARAM_INTERLACED;
2113 int weightplane[2] = { 0, 0 };
2114 int buffer_next = 0;
2115 for( int i = 0; i < 3; i++ )
2117 for( int j = 0; j < h->i_ref[0]; j++ )
2119 if( h->fenc->weight[j][i].weightfn )
2121 h->sh.weight[j][i] = h->fenc->weight[j][i];
2122 // if weight is useless, don't write it to stream
2123 if( h->sh.weight[j][i].i_scale == 1<<h->sh.weight[j][i].i_denom && h->sh.weight[j][i].i_offset == 0 )
2124 h->sh.weight[j][i].weightfn = NULL;
2127 if( !weightplane[!!i] )
2129 weightplane[!!i] = 1;
2130 h->sh.weight[0][!!i].i_denom = denom = h->sh.weight[j][i].i_denom;
2131 assert( x264_clip3( denom, 0, 7 ) == denom );
2134 assert( h->sh.weight[j][i].i_denom == denom );
2137 h->fenc->weighted[j] = h->mb.p_weight_buf[buffer_next++] + h->fenc->i_stride[0] * i_padv + PADH;
2138 //scale full resolution frame
2139 if( h->param.i_threads == 1 )
2141 pixel *src = h->fref[0][j]->filtered[0][0] - h->fref[0][j]->i_stride[0]*i_padv - PADH;
2142 pixel *dst = h->fenc->weighted[j] - h->fenc->i_stride[0]*i_padv - PADH;
2143 int stride = h->fenc->i_stride[0];
2144 int width = h->fenc->i_width[0] + PADH*2;
2145 int height = h->fenc->i_lines[0] + i_padv*2;
2146 x264_weight_scale_plane( h, dst, stride, src, stride, width, height, &h->sh.weight[j][0] );
2147 h->fenc->i_lines_weighted = height;
2155 if( weightplane[1] )
2156 for( int i = 0; i < h->i_ref[0]; i++ )
2158 if( h->sh.weight[i][1].weightfn && !h->sh.weight[i][2].weightfn )
2160 h->sh.weight[i][2].i_scale = 1 << h->sh.weight[0][1].i_denom;
2161 h->sh.weight[i][2].i_offset = 0;
2163 else if( h->sh.weight[i][2].weightfn && !h->sh.weight[i][1].weightfn )
2165 h->sh.weight[i][1].i_scale = 1 << h->sh.weight[0][1].i_denom;
2166 h->sh.weight[i][1].i_offset = 0;
2170 if( !weightplane[0] )
2171 h->sh.weight[0][0].i_denom = 0;
2172 if( !weightplane[1] )
2173 h->sh.weight[0][1].i_denom = 0;
2174 h->sh.weight[0][2].i_denom = h->sh.weight[0][1].i_denom;
2177 static inline int x264_reference_distance( x264_t *h, x264_frame_t *frame )
2179 if( h->param.i_frame_packing == 5 )
2180 return abs((h->fenc->i_frame&~1) - (frame->i_frame&~1)) +
2181 ((h->fenc->i_frame&1) != (frame->i_frame&1));
2183 return abs(h->fenc->i_frame - frame->i_frame);
2186 static inline void x264_reference_build_list( x264_t *h, int i_poc )
2190 /* build ref list 0/1 */
2191 h->mb.pic.i_fref[0] = h->i_ref[0] = 0;
2192 h->mb.pic.i_fref[1] = h->i_ref[1] = 0;
2193 if( h->sh.i_type == SLICE_TYPE_I )
2196 for( int i = 0; h->frames.reference[i]; i++ )
2198 if( h->frames.reference[i]->b_corrupt )
2200 if( h->frames.reference[i]->i_poc < i_poc )
2201 h->fref[0][h->i_ref[0]++] = h->frames.reference[i];
2202 else if( h->frames.reference[i]->i_poc > i_poc )
2203 h->fref[1][h->i_ref[1]++] = h->frames.reference[i];
2206 if( h->sh.i_mmco_remove_from_end )
2208 /* Order ref0 for MMCO remove */
2212 for( int i = 0; i < h->i_ref[0] - 1; i++ )
2214 if( h->fref[0][i]->i_frame < h->fref[0][i+1]->i_frame )
2216 XCHG( x264_frame_t*, h->fref[0][i], h->fref[0][i+1] );
2223 for( int i = h->i_ref[0]-1; i >= h->i_ref[0] - h->sh.i_mmco_remove_from_end; i-- )
2225 int diff = h->i_frame_num - h->fref[0][i]->i_frame_num;
2226 h->sh.mmco[h->sh.i_mmco_command_count].i_poc = h->fref[0][i]->i_poc;
2227 h->sh.mmco[h->sh.i_mmco_command_count++].i_difference_of_pic_nums = diff;
2231 /* Order reference lists by distance from the current frame. */
2232 for( int list = 0; list < 2; list++ )
2234 h->fref_nearest[list] = h->fref[list][0];
2238 for( int i = 0; i < h->i_ref[list] - 1; i++ )
2240 if( list ? h->fref[list][i+1]->i_poc < h->fref_nearest[list]->i_poc
2241 : h->fref[list][i+1]->i_poc > h->fref_nearest[list]->i_poc )
2242 h->fref_nearest[list] = h->fref[list][i+1];
2243 if( x264_reference_distance( h, h->fref[list][i] ) > x264_reference_distance( h, h->fref[list][i+1] ) )
2245 XCHG( x264_frame_t*, h->fref[list][i], h->fref[list][i+1] );
2253 x264_reference_check_reorder( h );
2255 h->i_ref[1] = X264_MIN( h->i_ref[1], h->frames.i_max_ref1 );
2256 h->i_ref[0] = X264_MIN( h->i_ref[0], h->frames.i_max_ref0 );
2257 h->i_ref[0] = X264_MIN( h->i_ref[0], h->param.i_frame_reference ); // if reconfig() has lowered the limit
2259 /* For Blu-ray compliance, don't reference frames outside of the minigop. */
2260 if( IS_X264_TYPE_B( h->fenc->i_type ) && h->param.b_bluray_compat )
2261 h->i_ref[0] = X264_MIN( h->i_ref[0], IS_X264_TYPE_B( h->fref[0][0]->i_type ) + 1 );
2263 /* add duplicates */
2264 if( h->fenc->i_type == X264_TYPE_P )
2267 if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
2270 w[1].weightfn = w[2].weightfn = NULL;
2271 if( h->param.rc.b_stat_read )
2272 x264_ratecontrol_set_weights( h, h->fenc );
2274 if( !h->fenc->weight[0][0].weightfn )
2276 h->fenc->weight[0][0].i_denom = 0;
2277 SET_WEIGHT( w[0], 1, 1, 0, -1 );
2278 idx = x264_weighted_reference_duplicate( h, 0, w );
2282 if( h->fenc->weight[0][0].i_scale == 1<<h->fenc->weight[0][0].i_denom )
2284 SET_WEIGHT( h->fenc->weight[0][0], 1, 1, 0, h->fenc->weight[0][0].i_offset );
2286 x264_weighted_reference_duplicate( h, 0, x264_weight_none );
2287 if( h->fenc->weight[0][0].i_offset > -128 )
2289 w[0] = h->fenc->weight[0][0];
2291 h->mc.weight_cache( h, &w[0] );
2292 idx = x264_weighted_reference_duplicate( h, 0, w );
2296 h->mb.ref_blind_dupe = idx;
2299 assert( h->i_ref[0] + h->i_ref[1] <= X264_REF_MAX );
2300 h->mb.pic.i_fref[0] = h->i_ref[0];
2301 h->mb.pic.i_fref[1] = h->i_ref[1];
2304 static void x264_fdec_filter_row( x264_t *h, int mb_y, int pass )
2306 /* mb_y is the mb to be encoded next, not the mb to be filtered here */
2307 int b_hpel = h->fdec->b_kept_as_ref;
2308 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
2309 int b_end = mb_y == h->i_threadslice_end;
2310 int b_measure_quality = 1;
2311 int min_y = mb_y - (1 << SLICE_MBAFF);
2312 int b_start = min_y == h->i_threadslice_start;
2313 /* Even in interlaced mode, deblocking never modifies more than 4 pixels
2314 * above each MB, as bS=4 doesn't happen for the top of interlaced mbpairs. */
2315 int minpix_y = min_y*16 - 4 * !b_start;
2316 int maxpix_y = mb_y*16 - 4 * !b_end;
2317 b_deblock &= b_hpel || h->param.b_full_recon || h->param.psz_dump_yuv;
2318 if( h->param.b_sliced_threads )
2322 /* During encode: only do deblock if asked for */
2325 b_deblock &= h->param.b_full_recon;
2328 /* During post-encode pass: do deblock if not done yet, do hpel for all
2329 * rows except those between slices. */
2331 b_deblock &= !h->param.b_full_recon;
2332 b_hpel &= !(b_start && min_y > 0);
2333 b_measure_quality = 0;
2335 /* Final pass: do the rows between slices in sequence. */
2338 b_measure_quality = 0;
2342 if( mb_y & SLICE_MBAFF )
2344 if( min_y < h->i_threadslice_start )
2348 for( int y = min_y; y < mb_y; y += (1 << SLICE_MBAFF) )
2349 x264_frame_deblock_row( h, y );
2351 /* FIXME: Prediction requires different borders for interlaced/progressive mc,
2352 * but the actual image data is equivalent. For now, maintain this
2353 * consistency by copying deblocked pixels between planes. */
2354 if( PARAM_INTERLACED && (!h->param.b_sliced_threads || pass == 1) )
2355 for( int p = 0; p < h->fdec->i_plane; p++ )
2356 for( int i = minpix_y>>(CHROMA_V_SHIFT && p); i < maxpix_y>>(CHROMA_V_SHIFT && p); i++ )
2357 memcpy( h->fdec->plane_fld[p] + i*h->fdec->i_stride[p],
2358 h->fdec->plane[p] + i*h->fdec->i_stride[p],
2359 h->mb.i_mb_width*16*sizeof(pixel) );
2361 if( h->fdec->b_kept_as_ref && (!h->param.b_sliced_threads || pass == 1) )
2362 x264_frame_expand_border( h, h->fdec, min_y );
2365 int end = mb_y == h->mb.i_mb_height;
2366 /* Can't do hpel until the previous slice is done encoding. */
2367 if( h->param.analyse.i_subpel_refine )
2369 x264_frame_filter( h, h->fdec, min_y, end );
2370 x264_frame_expand_border_filtered( h, h->fdec, min_y, end );
2374 if( SLICE_MBAFF && pass == 0 )
2375 for( int i = 0; i < 3; i++ )
2377 XCHG( pixel *, h->intra_border_backup[0][i], h->intra_border_backup[3][i] );
2378 XCHG( pixel *, h->intra_border_backup[1][i], h->intra_border_backup[4][i] );
2381 if( h->i_thread_frames > 1 && h->fdec->b_kept_as_ref )
2382 x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << SLICE_MBAFF)) );
2384 if( b_measure_quality )
2386 maxpix_y = X264_MIN( maxpix_y, h->param.i_height );
2387 if( h->param.analyse.b_psnr )
2389 for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
2390 h->stat.frame.i_ssd[p] += x264_pixel_ssd_wxh( &h->pixf,
2391 h->fdec->plane[p] + minpix_y * h->fdec->i_stride[p], h->fdec->i_stride[p],
2392 h->fenc->plane[p] + minpix_y * h->fenc->i_stride[p], h->fenc->i_stride[p],
2393 h->param.i_width, maxpix_y-minpix_y );
2396 uint64_t ssd_u, ssd_v;
2397 int v_shift = CHROMA_V_SHIFT;
2398 x264_pixel_ssd_nv12( &h->pixf,
2399 h->fdec->plane[1] + (minpix_y>>v_shift) * h->fdec->i_stride[1], h->fdec->i_stride[1],
2400 h->fenc->plane[1] + (minpix_y>>v_shift) * h->fenc->i_stride[1], h->fenc->i_stride[1],
2401 h->param.i_width>>1, (maxpix_y-minpix_y)>>v_shift, &ssd_u, &ssd_v );
2402 h->stat.frame.i_ssd[1] += ssd_u;
2403 h->stat.frame.i_ssd[2] += ssd_v;
2407 if( h->param.analyse.b_ssim )
2411 /* offset by 2 pixels to avoid alignment of ssim blocks with dct blocks,
2412 * and overlap by 4 */
2413 minpix_y += b_start ? 2 : -6;
2414 h->stat.frame.f_ssim +=
2415 x264_pixel_ssim_wxh( &h->pixf,
2416 h->fdec->plane[0] + 2+minpix_y*h->fdec->i_stride[0], h->fdec->i_stride[0],
2417 h->fenc->plane[0] + 2+minpix_y*h->fenc->i_stride[0], h->fenc->i_stride[0],
2418 h->param.i_width-2, maxpix_y-minpix_y, h->scratch_buffer, &ssim_cnt );
2419 h->stat.frame.i_ssim_cnt += ssim_cnt;
2424 static inline int x264_reference_update( x264_t *h )
2426 if( !h->fdec->b_kept_as_ref )
2428 if( h->i_thread_frames > 1 )
2430 x264_frame_push_unused( h, h->fdec );
2431 h->fdec = x264_frame_pop_unused( h, 1 );
2438 /* apply mmco from previous frame. */
2439 for( int i = 0; i < h->sh.i_mmco_command_count; i++ )
2440 for( int j = 0; h->frames.reference[j]; j++ )
2441 if( h->frames.reference[j]->i_poc == h->sh.mmco[i].i_poc )
2442 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[j] ) );
2444 /* move frame in the buffer */
2445 x264_frame_push( h->frames.reference, h->fdec );
2446 if( h->frames.reference[h->sps->i_num_ref_frames] )
2447 x264_frame_push_unused( h, x264_frame_shift( h->frames.reference ) );
2448 h->fdec = x264_frame_pop_unused( h, 1 );
2454 static inline void x264_reference_reset( x264_t *h )
2456 while( h->frames.reference[0] )
2457 x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
2462 static inline void x264_reference_hierarchy_reset( x264_t *h )
2465 int b_hasdelayframe = 0;
2467 /* look for delay frames -- chain must only contain frames that are disposable */
2468 for( int i = 0; h->frames.current[i] && IS_DISPOSABLE( h->frames.current[i]->i_type ); i++ )
2469 b_hasdelayframe |= h->frames.current[i]->i_coded
2470 != h->frames.current[i]->i_frame + h->sps->vui.i_num_reorder_frames;
2472 /* This function must handle b-pyramid and clear frames for open-gop */
2473 if( h->param.i_bframe_pyramid != X264_B_PYRAMID_STRICT && !b_hasdelayframe && h->frames.i_poc_last_open_gop == -1 )
2476 /* Remove last BREF. There will never be old BREFs in the
2477 * dpb during a BREF decode when pyramid == STRICT */
2478 for( ref = 0; h->frames.reference[ref]; ref++ )
2480 if( ( h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT
2481 && h->frames.reference[ref]->i_type == X264_TYPE_BREF )
2482 || ( h->frames.reference[ref]->i_poc < h->frames.i_poc_last_open_gop
2483 && h->sh.i_type != SLICE_TYPE_B ) )
2485 int diff = h->i_frame_num - h->frames.reference[ref]->i_frame_num;
2486 h->sh.mmco[h->sh.i_mmco_command_count].i_difference_of_pic_nums = diff;
2487 h->sh.mmco[h->sh.i_mmco_command_count++].i_poc = h->frames.reference[ref]->i_poc;
2488 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[ref] ) );
2489 h->b_ref_reorder[0] = 1;
2494 /* Prepare room in the dpb for the delayed display time of the later b-frame's */
2495 if( h->param.i_bframe_pyramid )
2496 h->sh.i_mmco_remove_from_end = X264_MAX( ref + 2 - h->frames.i_max_dpb, 0 );
2499 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
2501 /* ------------------------ Create slice header ----------------------- */
2502 if( i_nal_type == NAL_SLICE_IDR )
2504 x264_slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp );
2507 if( h->param.i_avcintra_class )
2509 switch( h->i_idr_pic_id )
2512 h->i_idr_pic_id = 3;
2515 h->i_idr_pic_id = 4;
2519 h->i_idr_pic_id = 5;
2524 h->i_idr_pic_id ^= 1;
2528 x264_slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp );
2530 h->sh.i_num_ref_idx_l0_active = h->i_ref[0] <= 0 ? 1 : h->i_ref[0];
2531 h->sh.i_num_ref_idx_l1_active = h->i_ref[1] <= 0 ? 1 : h->i_ref[1];
2532 if( h->sh.i_num_ref_idx_l0_active != h->pps->i_num_ref_idx_l0_default_active ||
2533 (h->sh.i_type == SLICE_TYPE_B && h->sh.i_num_ref_idx_l1_active != h->pps->i_num_ref_idx_l1_default_active) )
2535 h->sh.b_num_ref_idx_override = 1;
2539 if( h->fenc->i_type == X264_TYPE_BREF && h->param.b_bluray_compat && h->sh.i_mmco_command_count )
2542 h->sh_backup = h->sh;
2545 h->fdec->i_frame_num = h->sh.i_frame_num;
2547 if( h->sps->i_poc_type == 0 )
2549 h->sh.i_poc = h->fdec->i_poc;
2550 if( PARAM_INTERLACED )
2552 h->sh.i_delta_poc_bottom = h->param.b_tff ? 1 : -1;
2553 h->sh.i_poc += h->sh.i_delta_poc_bottom == -1;
2556 h->sh.i_delta_poc_bottom = 0;
2557 h->fdec->i_delta_poc[0] = h->sh.i_delta_poc_bottom == -1;
2558 h->fdec->i_delta_poc[1] = h->sh.i_delta_poc_bottom == 1;
2562 /* Nothing to do ? */
2565 x264_macroblock_slice_init( h );
2571 uint8_t cabac_prevbyte;
2574 x264_frame_stat_t stat;
2577 int field_decoding_flag;
2580 static ALWAYS_INLINE void x264_bitstream_backup( x264_t *h, x264_bs_bak_t *bak, int i_skip, int full )
2584 bak->stat = h->stat.frame;
2585 bak->last_qp = h->mb.i_last_qp;
2586 bak->last_dqp = h->mb.i_last_dqp;
2587 bak->field_decoding_flag = h->mb.field_decoding_flag;
2591 bak->stat.i_mv_bits = h->stat.frame.i_mv_bits;
2592 bak->stat.i_tex_bits = h->stat.frame.i_tex_bits;
2594 /* In the per-MB backup, we don't need the contexts because flushing the CABAC
2595 * encoder has no context dependency and in this case, a slice is ended (and
2596 * thus the content of all contexts are thrown away). */
2597 if( h->param.b_cabac )
2600 memcpy( &bak->cabac, &h->cabac, sizeof(x264_cabac_t) );
2602 memcpy( &bak->cabac, &h->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
2603 /* x264's CABAC writer modifies the previous byte during carry, so it has to be
2605 bak->cabac_prevbyte = h->cabac.p[-1];
2609 bak->bs = h->out.bs;
2614 static ALWAYS_INLINE void x264_bitstream_restore( x264_t *h, x264_bs_bak_t *bak, int *skip, int full )
2618 h->stat.frame = bak->stat;
2619 h->mb.i_last_qp = bak->last_qp;
2620 h->mb.i_last_dqp = bak->last_dqp;
2621 h->mb.field_decoding_flag = bak->field_decoding_flag;
2625 h->stat.frame.i_mv_bits = bak->stat.i_mv_bits;
2626 h->stat.frame.i_tex_bits = bak->stat.i_tex_bits;
2628 if( h->param.b_cabac )
2631 memcpy( &h->cabac, &bak->cabac, sizeof(x264_cabac_t) );
2633 memcpy( &h->cabac, &bak->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
2634 h->cabac.p[-1] = bak->cabac_prevbyte;
2638 h->out.bs = bak->bs;
2643 static intptr_t x264_slice_write( x264_t *h )
2646 int mb_xy, i_mb_x, i_mb_y;
2647 /* NALUs other than the first use a 3-byte startcode.
2648 * Add one extra byte for the rbsp, and one more for the final CABAC putbyte.
2649 * Then add an extra 5 bytes just in case, to account for random NAL escapes and
2650 * other inaccuracies. */
2651 int overhead_guess = (NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal)) + 1 + h->param.b_cabac + 5;
2652 int slice_max_size = h->param.i_slice_max_size > 0 ? (h->param.i_slice_max_size-overhead_guess)*8 : 0;
2653 int back_up_bitstream_cavlc = !h->param.b_cabac && h->sps->i_profile_idc < PROFILE_HIGH;
2654 int back_up_bitstream = slice_max_size || back_up_bitstream_cavlc;
2655 int starting_bits = bs_pos(&h->out.bs);
2656 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
2657 int b_hpel = h->fdec->b_kept_as_ref;
2658 int orig_last_mb = h->sh.i_last_mb;
2659 int thread_last_mb = h->i_threadslice_end * h->mb.i_mb_width - 1;
2660 uint8_t *last_emu_check;
2661 #define BS_BAK_SLICE_MAX_SIZE 0
2662 #define BS_BAK_CAVLC_OVERFLOW 1
2663 #define BS_BAK_SLICE_MIN_MBS 2
2664 #define BS_BAK_ROW_VBV 3
2665 x264_bs_bak_t bs_bak[4];
2666 b_deblock &= b_hpel || h->param.b_full_recon || h->param.psz_dump_yuv;
2667 bs_realign( &h->out.bs );
2670 x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
2671 h->out.nal[h->out.i_nal].i_first_mb = h->sh.i_first_mb;
2674 x264_macroblock_thread_init( h );
2676 /* Set the QP equal to the first QP in the slice for more accurate CABAC initialization. */
2677 h->mb.i_mb_xy = h->sh.i_first_mb;
2678 h->sh.i_qp = x264_ratecontrol_mb_qp( h );
2679 h->sh.i_qp = SPEC_QP( h->sh.i_qp );
2680 h->sh.i_qp_delta = h->sh.i_qp - h->pps->i_pic_init_qp;
2682 x264_slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
2683 if( h->param.b_cabac )
2685 /* alignment needed */
2686 bs_align_1( &h->out.bs );
2689 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 );
2690 x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
2691 last_emu_check = h->cabac.p;
2694 last_emu_check = h->out.bs.p;
2695 h->mb.i_last_qp = h->sh.i_qp;
2696 h->mb.i_last_dqp = 0;
2697 h->mb.field_decoding_flag = 0;
2699 i_mb_y = h->sh.i_first_mb / h->mb.i_mb_width;
2700 i_mb_x = h->sh.i_first_mb % h->mb.i_mb_width;
2705 mb_xy = i_mb_x + i_mb_y * h->mb.i_mb_width;
2706 int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
2710 if( x264_bitstream_check_buffer( h ) )
2712 if( !(i_mb_y & SLICE_MBAFF) && h->param.rc.i_vbv_buffer_size )
2713 x264_bitstream_backup( h, &bs_bak[BS_BAK_ROW_VBV], i_skip, 1 );
2714 if( !h->mb.b_reencode_mb )
2715 x264_fdec_filter_row( h, i_mb_y, 0 );
2718 if( back_up_bitstream )
2720 if( back_up_bitstream_cavlc )
2721 x264_bitstream_backup( h, &bs_bak[BS_BAK_CAVLC_OVERFLOW], i_skip, 0 );
2722 if( slice_max_size && !(i_mb_y & SLICE_MBAFF) )
2724 x264_bitstream_backup( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], i_skip, 0 );
2725 if( (thread_last_mb+1-mb_xy) == h->param.i_slice_min_mbs )
2726 x264_bitstream_backup( h, &bs_bak[BS_BAK_SLICE_MIN_MBS], i_skip, 0 );
2730 if( PARAM_INTERLACED )
2732 if( h->mb.b_adaptive_mbaff )
2736 /* FIXME: VSAD is fast but fairly poor at choosing the best interlace type. */
2737 h->mb.b_interlaced = x264_field_vsad( h, i_mb_x, i_mb_y );
2738 memcpy( &h->zigzagf, MB_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
2739 if( !MB_INTERLACED && (i_mb_y+2) == h->mb.i_mb_height )
2740 x264_expand_border_mbpair( h, i_mb_x, i_mb_y );
2743 h->mb.field[mb_xy] = MB_INTERLACED;
2748 x264_macroblock_cache_load_interlaced( h, i_mb_x, i_mb_y );
2750 x264_macroblock_cache_load_progressive( h, i_mb_x, i_mb_y );
2752 x264_macroblock_analyse( h );
2754 /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
2756 x264_macroblock_encode( h );
2758 if( h->param.b_cabac )
2760 if( mb_xy > h->sh.i_first_mb && !(SLICE_MBAFF && (i_mb_y&1)) )
2761 x264_cabac_encode_terminal( &h->cabac );
2763 if( IS_SKIP( h->mb.i_type ) )
2764 x264_cabac_mb_skip( h, 1 );
2767 if( h->sh.i_type != SLICE_TYPE_I )
2768 x264_cabac_mb_skip( h, 0 );
2769 x264_macroblock_write_cabac( h, &h->cabac );
2774 if( IS_SKIP( h->mb.i_type ) )
2778 if( h->sh.i_type != SLICE_TYPE_I )
2780 bs_write_ue( &h->out.bs, i_skip ); /* skip run */
2783 x264_macroblock_write_cavlc( h );
2784 /* If there was a CAVLC level code overflow, try again at a higher QP. */
2785 if( h->mb.b_overflow )
2787 h->mb.i_chroma_qp = h->chroma_qp_table[++h->mb.i_qp];
2788 h->mb.i_skip_intra = 0;
2789 h->mb.b_skip_mc = 0;
2790 h->mb.b_overflow = 0;
2791 x264_bitstream_restore( h, &bs_bak[BS_BAK_CAVLC_OVERFLOW], &i_skip, 0 );
2797 int total_bits = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
2798 int mb_size = total_bits - mb_spos;
2800 if( slice_max_size && (!SLICE_MBAFF || (i_mb_y&1)) )
2802 /* Count the skip run, just in case. */
2803 if( !h->param.b_cabac )
2804 total_bits += bs_size_ue_big( i_skip );
2805 /* Check for escape bytes. */
2806 uint8_t *end = h->param.b_cabac ? h->cabac.p : h->out.bs.p;
2807 for( ; last_emu_check < end - 2; last_emu_check++ )
2808 if( last_emu_check[0] == 0 && last_emu_check[1] == 0 && last_emu_check[2] <= 3 )
2810 slice_max_size -= 8;
2813 /* We'll just re-encode this last macroblock if we go over the max slice size. */
2814 if( total_bits - starting_bits > slice_max_size && !h->mb.b_reencode_mb )
2816 if( !x264_frame_new_slice( h, h->fdec ) )
2818 /* Handle the most obnoxious slice-min-mbs edge case: we need to end the slice
2819 * because it's gone over the maximum size, but doing so would violate slice-min-mbs.
2820 * If possible, roll back to the last checkpoint and try again.
2821 * We could try raising QP, but that would break in the case where a slice spans multiple
2822 * rows, which the re-encoding infrastructure can't currently handle. */
2823 if( mb_xy <= thread_last_mb && (thread_last_mb+1-mb_xy) < h->param.i_slice_min_mbs )
2825 if( thread_last_mb-h->param.i_slice_min_mbs < h->sh.i_first_mb+h->param.i_slice_min_mbs )
2827 x264_log( h, X264_LOG_WARNING, "slice-max-size violated (frame %d, cause: slice-min-mbs)\n", h->i_frame );
2831 x264_bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MIN_MBS], &i_skip, 0 );
2832 h->mb.b_reencode_mb = 1;
2833 h->sh.i_last_mb = thread_last_mb-h->param.i_slice_min_mbs;
2836 if( mb_xy-SLICE_MBAFF*h->mb.i_mb_stride != h->sh.i_first_mb )
2838 x264_bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], &i_skip, 0 );
2839 h->mb.b_reencode_mb = 1;
2842 // set to bottom of previous mbpair
2844 h->sh.i_last_mb = mb_xy-1+h->mb.i_mb_stride*(!(i_mb_y&1));
2846 h->sh.i_last_mb = (i_mb_y-2+!(i_mb_y&1))*h->mb.i_mb_stride + h->mb.i_mb_width - 1;
2849 h->sh.i_last_mb = mb_xy-1;
2853 h->sh.i_last_mb = mb_xy;
2860 h->mb.b_reencode_mb = 0;
2863 x264_macroblock_cache_save( h );
2865 if( x264_ratecontrol_mb( h, mb_size ) < 0 )
2867 x264_bitstream_restore( h, &bs_bak[BS_BAK_ROW_VBV], &i_skip, 1 );
2868 h->mb.b_reencode_mb = 1;
2870 i_mb_y = i_mb_y - SLICE_MBAFF;
2871 h->mb.i_mb_prev_xy = i_mb_y * h->mb.i_mb_stride - 1;
2872 h->sh.i_last_mb = orig_last_mb;
2876 /* accumulate mb stats */
2877 h->stat.frame.i_mb_count[h->mb.i_type]++;
2879 int b_intra = IS_INTRA( h->mb.i_type );
2880 int b_skip = IS_SKIP( h->mb.i_type );
2881 if( h->param.i_log_level >= X264_LOG_INFO || h->param.rc.b_stat_write )
2883 if( !b_intra && !b_skip && !IS_DIRECT( h->mb.i_type ) )
2885 if( h->mb.i_partition != D_8x8 )
2886 h->stat.frame.i_mb_partition[h->mb.i_partition] += 4;
2888 for( int i = 0; i < 4; i++ )
2889 h->stat.frame.i_mb_partition[h->mb.i_sub_partition[i]] ++;
2890 if( h->param.i_frame_reference > 1 )
2891 for( int i_list = 0; i_list <= (h->sh.i_type == SLICE_TYPE_B); i_list++ )
2892 for( int i = 0; i < 4; i++ )
2894 int i_ref = h->mb.cache.ref[i_list][ x264_scan8[4*i] ];
2896 h->stat.frame.i_mb_count_ref[i_list][i_ref] ++;
2901 if( h->param.i_log_level >= X264_LOG_INFO )
2903 if( h->mb.i_cbp_luma | h->mb.i_cbp_chroma )
2907 for( int i = 0; i < 4; i++ )
2908 if( h->mb.i_cbp_luma & (1 << i) )
2909 for( int p = 0; p < 3; p++ )
2912 int nnz8x8 = M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+0] )
2913 | M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+8] );
2914 h->stat.frame.i_mb_cbp[!b_intra + p*2] += !!nnz8x8;
2919 int cbpsum = (h->mb.i_cbp_luma&1) + ((h->mb.i_cbp_luma>>1)&1)
2920 + ((h->mb.i_cbp_luma>>2)&1) + (h->mb.i_cbp_luma>>3);
2921 h->stat.frame.i_mb_cbp[!b_intra + 0] += cbpsum;
2922 h->stat.frame.i_mb_cbp[!b_intra + 2] += !!h->mb.i_cbp_chroma;
2923 h->stat.frame.i_mb_cbp[!b_intra + 4] += h->mb.i_cbp_chroma >> 1;
2926 if( h->mb.i_cbp_luma && !b_intra )
2928 h->stat.frame.i_mb_count_8x8dct[0] ++;
2929 h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
2931 if( b_intra && h->mb.i_type != I_PCM )
2933 if( h->mb.i_type == I_16x16 )
2934 h->stat.frame.i_mb_pred_mode[0][h->mb.i_intra16x16_pred_mode]++;
2935 else if( h->mb.i_type == I_8x8 )
2936 for( int i = 0; i < 16; i += 4 )
2937 h->stat.frame.i_mb_pred_mode[1][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
2938 else //if( h->mb.i_type == I_4x4 )
2939 for( int i = 0; i < 16; i++ )
2940 h->stat.frame.i_mb_pred_mode[2][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
2941 h->stat.frame.i_mb_pred_mode[3][x264_mb_chroma_pred_mode_fix[h->mb.i_chroma_pred_mode]]++;
2943 h->stat.frame.i_mb_field[b_intra?0:b_skip?2:1] += MB_INTERLACED;
2946 /* calculate deblock strength values (actual deblocking is done per-row along with hpel) */
2948 x264_macroblock_deblock_strength( h );
2950 if( mb_xy == h->sh.i_last_mb )
2955 i_mb_x += i_mb_y & 1;
2956 i_mb_y ^= i_mb_x < h->mb.i_mb_width;
2960 if( i_mb_x == h->mb.i_mb_width )
2966 if( h->sh.i_last_mb < h->sh.i_first_mb )
2969 h->out.nal[h->out.i_nal].i_last_mb = h->sh.i_last_mb;
2971 if( h->param.b_cabac )
2973 x264_cabac_encode_flush( h, &h->cabac );
2974 h->out.bs.p = h->cabac.p;
2979 bs_write_ue( &h->out.bs, i_skip ); /* last skip run */
2980 /* rbsp_slice_trailing_bits */
2981 bs_rbsp_trailing( &h->out.bs );
2982 bs_flush( &h->out.bs );
2984 if( x264_nal_end( h ) )
2987 if( h->sh.i_last_mb == (h->i_threadslice_end * h->mb.i_mb_width - 1) )
2989 h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
2990 + (h->out.i_nal*NALU_OVERHEAD * 8)
2991 - h->stat.frame.i_tex_bits
2992 - h->stat.frame.i_mv_bits;
2993 x264_fdec_filter_row( h, h->i_threadslice_end, 0 );
2995 if( h->param.b_sliced_threads )
2997 /* Tell the main thread we're done. */
2998 x264_threadslice_cond_broadcast( h, 1 );
3000 for( int mb_y = h->i_threadslice_start; mb_y <= h->i_threadslice_end; mb_y++ )
3001 x264_fdec_filter_row( h, mb_y, 1 );
3002 x264_threadslice_cond_broadcast( h, 2 );
3003 /* Do the first row of hpel, now that the previous slice is done */
3004 if( h->i_thread_idx > 0 )
3006 x264_threadslice_cond_wait( h->thread[h->i_thread_idx-1], 2 );
3007 x264_fdec_filter_row( h, h->i_threadslice_start + (1 << SLICE_MBAFF), 2 );
3011 /* Free mb info after the last thread's done using it */
3012 if( h->fdec->mb_info_free && (!h->param.b_sliced_threads || h->i_thread_idx == (h->param.i_threads-1)) )
3014 h->fdec->mb_info_free( h->fdec->mb_info );
3015 h->fdec->mb_info = NULL;
3016 h->fdec->mb_info_free = NULL;
3023 static void x264_thread_sync_context( x264_t *dst, x264_t *src )
3028 // reference counting
3029 for( x264_frame_t **f = src->frames.reference; *f; f++ )
3030 (*f)->i_reference_count++;
3031 for( x264_frame_t **f = dst->frames.reference; *f; f++ )
3032 x264_frame_push_unused( src, *f );
3033 src->fdec->i_reference_count++;
3034 x264_frame_push_unused( src, dst->fdec );
3036 // copy everything except the per-thread pointers and the constants.
3037 memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.base) - offsetof(x264_t, i_frame) );
3038 dst->param = src->param;
3039 dst->stat = src->stat;
3040 dst->pixf = src->pixf;
3041 dst->reconfig = src->reconfig;
3044 static void x264_thread_sync_stat( x264_t *dst, x264_t *src )
3047 memcpy( &dst->stat, &src->stat, offsetof(x264_t, stat.frame) - offsetof(x264_t, stat) );
3050 static void *x264_slices_write( x264_t *h )
3052 int i_slice_num = 0;
3053 int last_thread_mb = h->sh.i_last_mb;
3056 memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
3057 h->mb.b_reencode_mb = 0;
3058 while( h->sh.i_first_mb + SLICE_MBAFF*h->mb.i_mb_stride <= last_thread_mb )
3060 h->sh.i_last_mb = last_thread_mb;
3061 if( !i_slice_num || !x264_frame_new_slice( h, h->fdec ) )
3063 if( h->param.i_slice_max_mbs )
3067 // convert first to mbaff form, add slice-max-mbs, then convert back to normal form
3068 int last_mbaff = 2*(h->sh.i_first_mb % h->mb.i_mb_width)
3069 + h->mb.i_mb_width*(h->sh.i_first_mb / h->mb.i_mb_width)
3070 + h->param.i_slice_max_mbs - 1;
3071 int last_x = (last_mbaff % (2*h->mb.i_mb_width))/2;
3072 int last_y = (last_mbaff / (2*h->mb.i_mb_width))*2 + 1;
3073 h->sh.i_last_mb = last_x + h->mb.i_mb_stride*last_y;
3077 h->sh.i_last_mb = h->sh.i_first_mb + h->param.i_slice_max_mbs - 1;
3078 if( h->sh.i_last_mb < last_thread_mb && last_thread_mb - h->sh.i_last_mb < h->param.i_slice_min_mbs )
3079 h->sh.i_last_mb = last_thread_mb - h->param.i_slice_min_mbs;
3083 else if( h->param.i_slice_count && !h->param.b_sliced_threads )
3085 int height = h->mb.i_mb_height >> PARAM_INTERLACED;
3086 int width = h->mb.i_mb_width << PARAM_INTERLACED;
3088 h->sh.i_last_mb = (height * i_slice_num + h->param.i_slice_count/2) / h->param.i_slice_count * width - 1;
3091 h->sh.i_last_mb = X264_MIN( h->sh.i_last_mb, last_thread_mb );
3092 if( x264_stack_align( x264_slice_write, h ) )
3094 h->sh.i_first_mb = h->sh.i_last_mb + 1;
3095 // if i_first_mb is not the last mb in a row then go to the next mb in MBAFF order
3096 if( SLICE_MBAFF && h->sh.i_first_mb % h->mb.i_mb_width )
3097 h->sh.i_first_mb -= h->mb.i_mb_stride;
3103 /* Tell other threads we're done, so they wouldn't wait for it */
3104 if( h->param.b_sliced_threads )
3105 x264_threadslice_cond_broadcast( h, 2 );
3109 static int x264_threaded_slices_write( x264_t *h )
3111 /* set first/last mb and sync contexts */
3112 for( int i = 0; i < h->param.i_threads; i++ )
3114 x264_t *t = h->thread[i];
3117 t->param = h->param;
3118 memcpy( &t->i_frame, &h->i_frame, offsetof(x264_t, rc) - offsetof(x264_t, i_frame) );
3120 int height = h->mb.i_mb_height >> PARAM_INTERLACED;
3121 t->i_threadslice_start = ((height * i + h->param.i_slice_count/2) / h->param.i_threads) << PARAM_INTERLACED;
3122 t->i_threadslice_end = ((height * (i+1) + h->param.i_slice_count/2) / h->param.i_threads) << PARAM_INTERLACED;
3123 t->sh.i_first_mb = t->i_threadslice_start * h->mb.i_mb_width;
3124 t->sh.i_last_mb = t->i_threadslice_end * h->mb.i_mb_width - 1;
3127 x264_stack_align( x264_analyse_weight_frame, h, h->mb.i_mb_height*16 + 16 );
3129 x264_threads_distribute_ratecontrol( h );
3132 for( int i = 0; i < h->param.i_threads; i++ )
3134 h->thread[i]->i_thread_idx = i;
3135 h->thread[i]->b_thread_active = 1;
3136 x264_threadslice_cond_broadcast( h->thread[i], 0 );
3139 for( int i = 0; i < h->param.i_threads; i++ )
3140 x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h->thread[i] );
3142 for( int i = 0; i < h->param.i_threads; i++ )
3143 x264_threadslice_cond_wait( h->thread[i], 1 );
3145 x264_threads_merge_ratecontrol( h );
3147 for( int i = 1; i < h->param.i_threads; i++ )
3149 x264_t *t = h->thread[i];
3150 for( int j = 0; j < t->out.i_nal; j++ )
3152 h->out.nal[h->out.i_nal] = t->out.nal[j];
3154 x264_nal_check_buffer( h );
3156 /* All entries in stat.frame are ints except for ssd/ssim. */
3157 for( int j = 0; j < (offsetof(x264_t,stat.frame.i_ssd) - offsetof(x264_t,stat.frame.i_mv_bits)) / sizeof(int); j++ )
3158 ((int*)&h->stat.frame)[j] += ((int*)&t->stat.frame)[j];
3159 for( int j = 0; j < 3; j++ )
3160 h->stat.frame.i_ssd[j] += t->stat.frame.i_ssd[j];
3161 h->stat.frame.f_ssim += t->stat.frame.f_ssim;
3162 h->stat.frame.i_ssim_cnt += t->stat.frame.i_ssim_cnt;
3168 void x264_encoder_intra_refresh( x264_t *h )
3170 h = h->thread[h->i_thread_phase];
3171 h->b_queued_intra_refresh = 1;
3174 int x264_encoder_invalidate_reference( x264_t *h, int64_t pts )
3176 if( h->param.i_bframe )
3178 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with B-frames enabled\n" );
3181 if( h->param.b_intra_refresh )
3183 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with intra refresh enabled\n" );
3186 h = h->thread[h->i_thread_phase];
3187 if( pts >= h->i_last_idr_pts )
3189 for( int i = 0; h->frames.reference[i]; i++ )
3190 if( pts <= h->frames.reference[i]->i_pts )
3191 h->frames.reference[i]->b_corrupt = 1;
3192 if( pts <= h->fdec->i_pts )
3193 h->fdec->b_corrupt = 1;
3198 /****************************************************************************
3199 * x264_encoder_encode:
3200 * XXX: i_poc : is the poc of the current given picture
3201 * i_frame : is the number of the frame being coded
3202 * ex: type frame poc
3210 ****************************************************************************/
3211 int x264_encoder_encode( x264_t *h,
3212 x264_nal_t **pp_nal, int *pi_nal,
3213 x264_picture_t *pic_in,
3214 x264_picture_t *pic_out )
3216 x264_t *thread_current, *thread_prev, *thread_oldest;
3217 int i_nal_type, i_nal_ref_idc, i_global_qp;
3218 int overhead = NALU_OVERHEAD;
3221 if( h->opencl.b_fatal_error )
3225 if( h->i_thread_frames > 1 )
3227 thread_prev = h->thread[ h->i_thread_phase ];
3228 h->i_thread_phase = (h->i_thread_phase + 1) % h->i_thread_frames;
3229 thread_current = h->thread[ h->i_thread_phase ];
3230 thread_oldest = h->thread[ (h->i_thread_phase + 1) % h->i_thread_frames ];
3231 x264_thread_sync_context( thread_current, thread_prev );
3232 x264_thread_sync_ratecontrol( thread_current, thread_prev, thread_oldest );
3240 h->i_cpb_delay_pir_offset = h->i_cpb_delay_pir_offset_next;
3246 /* ------------------- Setup new frame from picture -------------------- */
3247 if( pic_in != NULL )
3249 if( h->lookahead->b_exit_thread )
3251 x264_log( h, X264_LOG_ERROR, "lookahead thread is already stopped\n" );
3255 /* 1: Copy the picture to a frame and move it to a buffer */
3256 x264_frame_t *fenc = x264_frame_pop_unused( h, 0 );
3260 if( x264_frame_copy_picture( h, fenc, pic_in ) < 0 )
3263 if( h->param.i_width != 16 * h->mb.i_mb_width ||
3264 h->param.i_height != 16 * h->mb.i_mb_height )
3265 x264_frame_expand_border_mod16( h, fenc );
3267 fenc->i_frame = h->frames.i_input++;
3269 if( fenc->i_frame == 0 )
3270 h->frames.i_first_pts = fenc->i_pts;
3271 if( h->frames.i_bframe_delay && fenc->i_frame == h->frames.i_bframe_delay )
3272 h->frames.i_bframe_delay_time = fenc->i_pts - h->frames.i_first_pts;
3274 if( h->param.b_vfr_input && fenc->i_pts <= h->frames.i_largest_pts )
3275 x264_log( h, X264_LOG_WARNING, "non-strictly-monotonic PTS\n" );
3277 h->frames.i_second_largest_pts = h->frames.i_largest_pts;
3278 h->frames.i_largest_pts = fenc->i_pts;
3280 if( (fenc->i_pic_struct < PIC_STRUCT_AUTO) || (fenc->i_pic_struct > PIC_STRUCT_TRIPLE) )
3281 fenc->i_pic_struct = PIC_STRUCT_AUTO;
3283 if( fenc->i_pic_struct == PIC_STRUCT_AUTO )
3286 int b_interlaced = fenc->param ? fenc->param->b_interlaced : h->param.b_interlaced;
3288 int b_interlaced = 0;
3292 int b_tff = fenc->param ? fenc->param->b_tff : h->param.b_tff;
3293 fenc->i_pic_struct = b_tff ? PIC_STRUCT_TOP_BOTTOM : PIC_STRUCT_BOTTOM_TOP;
3296 fenc->i_pic_struct = PIC_STRUCT_PROGRESSIVE;
3299 if( h->param.rc.b_mb_tree && h->param.rc.b_stat_read )
3301 if( x264_macroblock_tree_read( h, fenc, pic_in->prop.quant_offsets ) )
3305 x264_stack_align( x264_adaptive_quant_frame, h, fenc, pic_in->prop.quant_offsets );
3307 if( pic_in->prop.quant_offsets_free )
3308 pic_in->prop.quant_offsets_free( pic_in->prop.quant_offsets );
3310 if( h->frames.b_have_lowres )
3311 x264_frame_init_lowres( h, fenc );
3313 /* 2: Place the frame into the queue for its slice type decision */
3314 x264_lookahead_put_frame( h, fenc );
3316 if( h->frames.i_input <= h->frames.i_delay + 1 - h->i_thread_frames )
3318 /* Nothing yet to encode, waiting for filling of buffers */
3319 pic_out->i_type = X264_TYPE_AUTO;
3325 /* signal kills for lookahead thread */
3326 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
3327 h->lookahead->b_exit_thread = 1;
3328 x264_pthread_cond_broadcast( &h->lookahead->ifbuf.cv_fill );
3329 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
3333 /* 3: The picture is analyzed in the lookahead */
3334 if( !h->frames.current[0] )
3335 x264_lookahead_get_frames( h );
3337 if( !h->frames.current[0] && x264_lookahead_is_empty( h ) )
3338 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
3340 /* ------------------- Get frame to be encoded ------------------------- */
3341 /* 4: get picture to encode */
3342 h->fenc = x264_frame_shift( h->frames.current );
3344 /* If applicable, wait for previous frame reconstruction to finish */
3345 if( h->param.b_sliced_threads )
3346 if( x264_threadpool_wait_all( h ) < 0 )
3349 if( h->i_frame == h->i_thread_frames - 1 )
3350 h->i_reordered_pts_delay = h->fenc->i_reordered_pts;
3353 x264_encoder_reconfig_apply( h, &h->reconfig_h->param );
3356 if( h->fenc->param )
3358 x264_encoder_reconfig_apply( h, h->fenc->param );
3359 if( h->fenc->param->param_free )
3361 h->fenc->param->param_free( h->fenc->param );
3362 h->fenc->param = NULL;
3366 // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0
3367 if( x264_reference_update( h ) )
3369 h->fdec->i_lines_completed = -1;
3371 if( !IS_X264_TYPE_I( h->fenc->i_type ) )
3373 int valid_refs_left = 0;
3374 for( int i = 0; h->frames.reference[i]; i++ )
3375 if( !h->frames.reference[i]->b_corrupt )
3377 /* No valid reference frames left: force an IDR. */
3378 if( !valid_refs_left )
3380 h->fenc->b_keyframe = 1;
3381 h->fenc->i_type = X264_TYPE_IDR;
3385 if( h->fenc->b_keyframe )
3387 h->frames.i_last_keyframe = h->fenc->i_frame;
3388 if( h->fenc->i_type == X264_TYPE_IDR )
3391 h->frames.i_last_idr = h->fenc->i_frame;
3394 h->sh.i_mmco_command_count =
3395 h->sh.i_mmco_remove_from_end = 0;
3396 h->b_ref_reorder[0] =
3397 h->b_ref_reorder[1] = 0;
3399 h->fenc->i_poc = 2 * ( h->fenc->i_frame - X264_MAX( h->frames.i_last_idr, 0 ) );
3401 /* ------------------- Setup frame context ----------------------------- */
3402 /* 5: Init data dependent of frame type */
3403 if( h->fenc->i_type == X264_TYPE_IDR )
3405 /* reset ref pictures */
3406 i_nal_type = NAL_SLICE_IDR;
3407 i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
3408 h->sh.i_type = SLICE_TYPE_I;
3409 x264_reference_reset( h );
3410 h->frames.i_poc_last_open_gop = -1;
3412 else if( h->fenc->i_type == X264_TYPE_I )
3414 i_nal_type = NAL_SLICE;
3415 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
3416 h->sh.i_type = SLICE_TYPE_I;
3417 x264_reference_hierarchy_reset( h );
3418 if( h->param.b_open_gop )
3419 h->frames.i_poc_last_open_gop = h->fenc->b_keyframe ? h->fenc->i_poc : -1;
3421 else if( h->fenc->i_type == X264_TYPE_P )
3423 i_nal_type = NAL_SLICE;
3424 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
3425 h->sh.i_type = SLICE_TYPE_P;
3426 x264_reference_hierarchy_reset( h );
3427 h->frames.i_poc_last_open_gop = -1;
3429 else if( h->fenc->i_type == X264_TYPE_BREF )
3431 i_nal_type = NAL_SLICE;
3432 i_nal_ref_idc = h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT ? NAL_PRIORITY_LOW : NAL_PRIORITY_HIGH;
3433 h->sh.i_type = SLICE_TYPE_B;
3434 x264_reference_hierarchy_reset( h );
3438 i_nal_type = NAL_SLICE;
3439 i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
3440 h->sh.i_type = SLICE_TYPE_B;
3443 h->fdec->i_type = h->fenc->i_type;
3444 h->fdec->i_frame = h->fenc->i_frame;
3445 h->fenc->b_kept_as_ref =
3446 h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1;
3448 h->fdec->mb_info = h->fenc->mb_info;
3449 h->fdec->mb_info_free = h->fenc->mb_info_free;
3450 h->fenc->mb_info = NULL;
3451 h->fenc->mb_info_free = NULL;
3453 h->fdec->i_pts = h->fenc->i_pts;
3454 if( h->frames.i_bframe_delay )
3456 int64_t *prev_reordered_pts = thread_current->frames.i_prev_reordered_pts;
3457 h->fdec->i_dts = h->i_frame > h->frames.i_bframe_delay
3458 ? prev_reordered_pts[ (h->i_frame - h->frames.i_bframe_delay) % h->frames.i_bframe_delay ]
3459 : h->fenc->i_reordered_pts - h->frames.i_bframe_delay_time;
3460 prev_reordered_pts[ h->i_frame % h->frames.i_bframe_delay ] = h->fenc->i_reordered_pts;
3463 h->fdec->i_dts = h->fenc->i_reordered_pts;
3464 if( h->fenc->i_type == X264_TYPE_IDR )
3465 h->i_last_idr_pts = h->fdec->i_pts;
3467 /* ------------------- Init ----------------------------- */
3468 /* build ref list 0/1 */
3469 x264_reference_build_list( h, h->fdec->i_poc );
3471 /* ---------------------- Write the bitstream -------------------------- */
3472 /* Init bitstream context */
3473 if( h->param.b_sliced_threads )
3475 for( int i = 0; i < h->param.i_threads; i++ )
3477 bs_init( &h->thread[i]->out.bs, h->thread[i]->out.p_bitstream, h->thread[i]->out.i_bitstream );
3478 h->thread[i]->out.i_nal = 0;
3483 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
3487 if( h->param.b_aud )
3491 if( h->sh.i_type == SLICE_TYPE_I )
3493 else if( h->sh.i_type == SLICE_TYPE_P )
3495 else if( h->sh.i_type == SLICE_TYPE_B )
3500 x264_nal_start( h, NAL_AUD, NAL_PRIORITY_DISPOSABLE );
3501 bs_write( &h->out.bs, 3, pic_type );
3502 bs_rbsp_trailing( &h->out.bs );
3503 if( x264_nal_end( h ) )
3505 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
3508 h->i_nal_type = i_nal_type;
3509 h->i_nal_ref_idc = i_nal_ref_idc;
3511 if( h->param.b_intra_refresh )
3513 if( IS_X264_TYPE_I( h->fenc->i_type ) )
3515 h->fdec->i_frames_since_pir = 0;
3516 h->b_queued_intra_refresh = 0;
3517 /* PIR is currently only supported with ref == 1, so any intra frame effectively refreshes
3518 * the whole frame and counts as an intra refresh. */
3519 h->fdec->f_pir_position = h->mb.i_mb_width;
3521 else if( h->fenc->i_type == X264_TYPE_P )
3523 int pocdiff = (h->fdec->i_poc - h->fref[0][0]->i_poc)/2;
3524 float increment = X264_MAX( ((float)h->mb.i_mb_width-1) / h->param.i_keyint_max, 1 );
3525 h->fdec->f_pir_position = h->fref[0][0]->f_pir_position;
3526 h->fdec->i_frames_since_pir = h->fref[0][0]->i_frames_since_pir + pocdiff;
3527 if( h->fdec->i_frames_since_pir >= h->param.i_keyint_max ||
3528 (h->b_queued_intra_refresh && h->fdec->f_pir_position + 0.5 >= h->mb.i_mb_width) )
3530 h->fdec->f_pir_position = 0;
3531 h->fdec->i_frames_since_pir = 0;
3532 h->b_queued_intra_refresh = 0;
3533 h->fenc->b_keyframe = 1;
3535 h->fdec->i_pir_start_col = h->fdec->f_pir_position+0.5;
3536 h->fdec->f_pir_position += increment * pocdiff;
3537 h->fdec->i_pir_end_col = h->fdec->f_pir_position+0.5;
3538 /* If our intra refresh has reached the right side of the frame, we're done. */
3539 if( h->fdec->i_pir_end_col >= h->mb.i_mb_width - 1 )
3541 h->fdec->f_pir_position = h->mb.i_mb_width;
3542 h->fdec->i_pir_end_col = h->mb.i_mb_width - 1;
3547 if( h->fenc->b_keyframe )
3549 /* Write SPS and PPS */
3550 if( h->param.b_repeat_headers )
3552 /* generate sequence parameters */
3553 x264_nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
3554 x264_sps_write( &h->out.bs, h->sps );
3555 if( x264_nal_end( h ) )
3557 /* Pad AUD/SPS to 256 bytes like Panasonic */
3558 if( h->param.i_avcintra_class )
3559 h->out.nal[h->out.i_nal-1].i_padding = 256 - bs_pos( &h->out.bs ) / 8 - 2*NALU_OVERHEAD;
3560 overhead += h->out.nal[h->out.i_nal-1].i_payload + h->out.nal[h->out.i_nal-1].i_padding + NALU_OVERHEAD;
3562 /* generate picture parameters */
3563 x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
3564 x264_pps_write( &h->out.bs, h->sps, h->pps );
3565 if( x264_nal_end( h ) )
3567 if( h->param.i_avcintra_class )
3568 h->out.nal[h->out.i_nal-1].i_padding = 256 - h->out.nal[h->out.i_nal-1].i_payload - NALU_OVERHEAD;
3569 overhead += h->out.nal[h->out.i_nal-1].i_payload + h->out.nal[h->out.i_nal-1].i_padding + NALU_OVERHEAD;
3572 /* when frame threading is used, buffering period sei is written in x264_encoder_frame_end */
3573 if( h->i_thread_frames == 1 && h->sps->vui.b_nal_hrd_parameters_present )
3575 x264_hrd_fullness( h );
3576 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3577 x264_sei_buffering_period_write( h, &h->out.bs );
3578 if( x264_nal_end( h ) )
3580 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3584 /* write extra sei */
3585 for( int i = 0; i < h->fenc->extra_sei.num_payloads; i++ )
3587 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3588 x264_sei_write( &h->out.bs, h->fenc->extra_sei.payloads[i].payload, h->fenc->extra_sei.payloads[i].payload_size,
3589 h->fenc->extra_sei.payloads[i].payload_type );
3590 if( x264_nal_end( h ) )
3592 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3593 if( h->fenc->extra_sei.sei_free )
3595 h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads[i].payload );
3596 h->fenc->extra_sei.payloads[i].payload = NULL;
3600 if( h->fenc->extra_sei.sei_free )
3602 h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads );
3603 h->fenc->extra_sei.payloads = NULL;
3604 h->fenc->extra_sei.sei_free = NULL;
3607 if( h->fenc->b_keyframe )
3609 /* Avid's decoder strictly wants two SEIs for AVC-Intra so we can't insert the x264 SEI */
3610 if( h->param.b_repeat_headers && h->fenc->i_frame == 0 && !h->param.i_avcintra_class )
3612 /* identify ourself */
3613 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3614 if( x264_sei_version_write( h, &h->out.bs ) )
3616 if( x264_nal_end( h ) )
3618 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3621 if( h->fenc->i_type != X264_TYPE_IDR )
3623 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;
3624 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3625 x264_sei_recovery_point_write( h, &h->out.bs, time_to_recovery );
3626 if( x264_nal_end( h ) )
3628 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3632 if( h->param.i_frame_packing >= 0 && (h->fenc->b_keyframe || h->param.i_frame_packing == 5) )
3634 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3635 x264_sei_frame_packing_write( h, &h->out.bs );
3636 if( x264_nal_end( h ) )
3638 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3641 /* generate sei pic timing */
3642 if( h->sps->vui.b_pic_struct_present || h->sps->vui.b_nal_hrd_parameters_present )
3644 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3645 x264_sei_pic_timing_write( h, &h->out.bs );
3646 if( x264_nal_end( h ) )
3648 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3651 /* As required by Blu-ray. */
3652 if( !IS_X264_TYPE_B( h->fenc->i_type ) && h->b_sh_backup )
3655 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3656 x264_sei_dec_ref_pic_marking_write( h, &h->out.bs );
3657 if( x264_nal_end( h ) )
3659 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3662 if( h->fenc->b_keyframe && h->param.b_intra_refresh )
3663 h->i_cpb_delay_pir_offset_next = h->fenc->i_cpb_delay;
3665 /* Filler space: 10 or 18 SEIs' worth of space, depending on resolution */
3666 if( h->param.i_avcintra_class )
3668 /* Write an empty filler NAL to mimic the AUD in the P2 format*/
3669 x264_nal_start( h, NAL_FILLER, NAL_PRIORITY_DISPOSABLE );
3670 x264_filler_write( h, &h->out.bs, 0 );
3671 if( x264_nal_end( h ) )
3673 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
3675 /* All lengths are magic lengths that decoders expect to see */
3677 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3678 if( x264_sei_avcintra_umid_write( h, &h->out.bs ) < 0 )
3680 if( x264_nal_end( h ) )
3682 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3686 if( h->param.i_height == 1080 )
3688 unpadded_len = 5780;
3693 unpadded_len = 2900;
3697 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3698 if( x264_sei_avcintra_vanc_write( h, &h->out.bs, unpadded_len ) < 0 )
3700 if( x264_nal_end( h ) )
3703 h->out.nal[h->out.i_nal-1].i_padding = total_len - h->out.nal[h->out.i_nal-1].i_payload - SEI_OVERHEAD;
3704 overhead += h->out.nal[h->out.i_nal-1].i_payload + h->out.nal[h->out.i_nal-1].i_padding + SEI_OVERHEAD;
3707 /* Init the rate control */
3708 /* FIXME: Include slice header bit cost. */
3709 x264_ratecontrol_start( h, h->fenc->i_qpplus1, overhead*8 );
3710 i_global_qp = x264_ratecontrol_qp( h );
3712 pic_out->i_qpplus1 =
3713 h->fdec->i_qpplus1 = i_global_qp + 1;
3715 if( h->param.rc.b_stat_read && h->sh.i_type != SLICE_TYPE_I )
3717 x264_reference_build_list_optimal( h );
3718 x264_reference_check_reorder( h );
3722 h->fdec->i_poc_l0ref0 = h->fref[0][0]->i_poc;
3724 /* ------------------------ Create slice header ----------------------- */
3725 x264_slice_init( h, i_nal_type, i_global_qp );
3727 /*------------------------- Weights -------------------------------------*/
3728 if( h->sh.i_type == SLICE_TYPE_B )
3729 x264_macroblock_bipred_init( h );
3731 x264_weighted_pred_init( h );
3733 if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
3737 h->i_threadslice_start = 0;
3738 h->i_threadslice_end = h->mb.i_mb_height;
3739 if( h->i_thread_frames > 1 )
3741 x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h );
3742 h->b_thread_active = 1;
3744 else if( h->param.b_sliced_threads )
3746 if( x264_threaded_slices_write( h ) )
3750 if( (intptr_t)x264_slices_write( h ) )
3753 return x264_encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
3756 static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
3757 x264_nal_t **pp_nal, int *pi_nal,
3758 x264_picture_t *pic_out )
3760 char psz_message[80];
3762 if( !h->param.b_sliced_threads && h->b_thread_active )
3764 h->b_thread_active = 0;
3765 if( (intptr_t)x264_threadpool_wait( h->threadpool, h ) )
3770 pic_out->i_type = X264_TYPE_AUTO;
3776 /* generate buffering period sei and insert it into place */
3777 if( h->i_thread_frames > 1 && h->fenc->b_keyframe && h->sps->vui.b_nal_hrd_parameters_present )
3779 x264_hrd_fullness( h );
3780 x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3781 x264_sei_buffering_period_write( h, &h->out.bs );
3782 if( x264_nal_end( h ) )
3784 /* buffering period sei must follow AUD, SPS and PPS and precede all other SEIs */
3786 while( h->out.nal[idx].i_type == NAL_AUD ||
3787 h->out.nal[idx].i_type == NAL_SPS ||
3788 h->out.nal[idx].i_type == NAL_PPS )
3790 x264_nal_t nal_tmp = h->out.nal[h->out.i_nal-1];
3791 memmove( &h->out.nal[idx+1], &h->out.nal[idx], (h->out.i_nal-idx-1)*sizeof(x264_nal_t) );
3792 h->out.nal[idx] = nal_tmp;
3795 int frame_size = x264_encoder_encapsulate_nals( h, 0 );
3796 if( frame_size < 0 )
3799 /* Set output picture properties */
3800 pic_out->i_type = h->fenc->i_type;
3802 pic_out->b_keyframe = h->fenc->b_keyframe;
3803 pic_out->i_pic_struct = h->fenc->i_pic_struct;
3805 pic_out->i_pts = h->fdec->i_pts;
3806 pic_out->i_dts = h->fdec->i_dts;
3808 if( pic_out->i_pts < pic_out->i_dts )
3809 x264_log( h, X264_LOG_WARNING, "invalid DTS: PTS is less than DTS\n" );
3811 pic_out->opaque = h->fenc->opaque;
3813 pic_out->img.i_csp = h->fdec->i_csp;
3815 pic_out->img.i_csp |= X264_CSP_HIGH_DEPTH;
3817 pic_out->img.i_plane = h->fdec->i_plane;
3818 for( int i = 0; i < pic_out->img.i_plane; i++ )
3820 pic_out->img.i_stride[i] = h->fdec->i_stride[i] * sizeof(pixel);
3821 pic_out->img.plane[i] = (uint8_t*)h->fdec->plane[i];
3824 x264_frame_push_unused( thread_current, h->fenc );
3826 /* ---------------------- Update encoder state ------------------------- */
3830 if( x264_ratecontrol_end( h, frame_size * 8, &filler ) < 0 )
3833 pic_out->hrd_timing = h->fenc->hrd_timing;
3834 pic_out->prop.f_crf_avg = h->fdec->f_crf_avg;
3836 /* Filler in AVC-Intra mode is written as zero bytes to the last slice
3837 * We don't know the size of the last slice until encapsulation so we add filler to the encapsulated NAL */
3838 if( h->param.i_avcintra_class )
3840 x264_t *h0 = h->thread[0];
3841 int ret = x264_check_encapsulated_buffer( h, h0, h->out.i_nal, frame_size, frame_size + filler );
3844 memset( h->out.nal[0].p_payload + frame_size, 0, filler );
3845 h->out.nal[h->out.i_nal-1].i_payload += filler;
3846 h->out.nal[h->out.i_nal-1].i_padding = filler;
3847 frame_size += filler;
3854 overhead = (FILLER_OVERHEAD - h->param.b_annexb);
3855 if( h->param.i_slice_max_size && filler > h->param.i_slice_max_size )
3857 int next_size = filler - h->param.i_slice_max_size;
3858 int overflow = X264_MAX( overhead - next_size, 0 );
3859 f = h->param.i_slice_max_size - overhead - overflow;
3862 f = X264_MAX( 0, filler - overhead );
3864 if( x264_bitstream_check_buffer_filler( h, f ) )
3866 x264_nal_start( h, NAL_FILLER, NAL_PRIORITY_DISPOSABLE );
3867 x264_filler_write( h, &h->out.bs, f );
3868 if( x264_nal_end( h ) )
3870 int total_size = x264_encoder_encapsulate_nals( h, h->out.i_nal-1 );
3871 if( total_size < 0 )
3873 frame_size += total_size;
3874 filler -= total_size;
3878 /* End bitstream, set output */
3879 *pi_nal = h->out.i_nal;
3880 *pp_nal = h->out.nal;
3884 x264_noise_reduction_update( h );
3886 /* ---------------------- Compute/Print statistics --------------------- */
3887 x264_thread_sync_stat( h, h->thread[0] );
3890 h->stat.i_frame_count[h->sh.i_type]++;
3891 h->stat.i_frame_size[h->sh.i_type] += frame_size;
3892 h->stat.f_frame_qp[h->sh.i_type] += h->fdec->f_qp_avg_aq;
3894 for( int i = 0; i < X264_MBTYPE_MAX; i++ )
3895 h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
3896 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
3897 h->stat.i_mb_partition[h->sh.i_type][i] += h->stat.frame.i_mb_partition[i];
3898 for( int i = 0; i < 2; i++ )
3899 h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
3900 for( int i = 0; i < 6; i++ )
3901 h->stat.i_mb_cbp[i] += h->stat.frame.i_mb_cbp[i];
3902 for( int i = 0; i < 4; i++ )
3903 for( int j = 0; j < 13; j++ )
3904 h->stat.i_mb_pred_mode[i][j] += h->stat.frame.i_mb_pred_mode[i][j];
3905 if( h->sh.i_type != SLICE_TYPE_I )
3906 for( int i_list = 0; i_list < 2; i_list++ )
3907 for( int i = 0; i < X264_REF_MAX*2; i++ )
3908 h->stat.i_mb_count_ref[h->sh.i_type][i_list][i] += h->stat.frame.i_mb_count_ref[i_list][i];
3909 for( int i = 0; i < 3; i++ )
3910 h->stat.i_mb_field[i] += h->stat.frame.i_mb_field[i];
3911 if( h->sh.i_type == SLICE_TYPE_P && h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
3913 h->stat.i_wpred[0] += !!h->sh.weight[0][0].weightfn;
3914 h->stat.i_wpred[1] += !!h->sh.weight[0][1].weightfn || !!h->sh.weight[0][2].weightfn;
3916 if( h->sh.i_type == SLICE_TYPE_B )
3918 h->stat.i_direct_frames[ h->sh.b_direct_spatial_mv_pred ] ++;
3919 if( h->mb.b_direct_auto_write )
3921 //FIXME somewhat arbitrary time constants
3922 if( h->stat.i_direct_score[0] + h->stat.i_direct_score[1] > h->mb.i_mb_count )
3923 for( int i = 0; i < 2; i++ )
3924 h->stat.i_direct_score[i] = h->stat.i_direct_score[i] * 9/10;
3925 for( int i = 0; i < 2; i++ )
3926 h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i];
3930 h->stat.i_consecutive_bframes[h->fenc->i_bframes]++;
3932 psz_message[0] = '\0';
3933 double dur = h->fenc->f_duration;
3934 h->stat.f_frame_duration[h->sh.i_type] += dur;
3935 if( h->param.analyse.b_psnr )
3939 h->stat.frame.i_ssd[0],
3940 h->stat.frame.i_ssd[1],
3941 h->stat.frame.i_ssd[2],
3943 int luma_size = h->param.i_width * h->param.i_height;
3944 int chroma_size = CHROMA_SIZE( luma_size );
3945 pic_out->prop.f_psnr[0] = x264_psnr( ssd[0], luma_size );
3946 pic_out->prop.f_psnr[1] = x264_psnr( ssd[1], chroma_size );
3947 pic_out->prop.f_psnr[2] = x264_psnr( ssd[2], chroma_size );
3948 pic_out->prop.f_psnr_avg = x264_psnr( ssd[0] + ssd[1] + ssd[2], luma_size + chroma_size*2 );
3950 h->stat.f_ssd_global[h->sh.i_type] += dur * (ssd[0] + ssd[1] + ssd[2]);
3951 h->stat.f_psnr_average[h->sh.i_type] += dur * pic_out->prop.f_psnr_avg;
3952 h->stat.f_psnr_mean_y[h->sh.i_type] += dur * pic_out->prop.f_psnr[0];
3953 h->stat.f_psnr_mean_u[h->sh.i_type] += dur * pic_out->prop.f_psnr[1];
3954 h->stat.f_psnr_mean_v[h->sh.i_type] += dur * pic_out->prop.f_psnr[2];
3956 snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f", pic_out->prop.f_psnr[0],
3957 pic_out->prop.f_psnr[1],
3958 pic_out->prop.f_psnr[2] );
3961 if( h->param.analyse.b_ssim )
3963 pic_out->prop.f_ssim = h->stat.frame.f_ssim / h->stat.frame.i_ssim_cnt;
3964 h->stat.f_ssim_mean_y[h->sh.i_type] += pic_out->prop.f_ssim * dur;
3965 int msg_len = strlen(psz_message);
3966 snprintf( psz_message + msg_len, 80 - msg_len, " SSIM Y:%.5f", pic_out->prop.f_ssim );
3968 psz_message[79] = '\0';
3970 x264_log( h, X264_LOG_DEBUG,
3971 "frame=%4d QP=%.2f NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
3973 h->fdec->f_qp_avg_aq,
3975 h->sh.i_type == SLICE_TYPE_I ? 'I' : (h->sh.i_type == SLICE_TYPE_P ? 'P' : 'B' ),
3977 h->stat.frame.i_mb_count_i,
3978 h->stat.frame.i_mb_count_p,
3979 h->stat.frame.i_mb_count_skip,
3983 // keep stats all in one place
3984 x264_thread_sync_stat( h->thread[0], h );
3985 // for the use of the next frame
3986 x264_thread_sync_stat( thread_current, h );
3988 #ifdef DEBUG_MB_TYPE
3990 static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
3991 'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
3992 for( int mb_xy = 0; mb_xy < h->mb.i_mb_width * h->mb.i_mb_height; mb_xy++ )
3994 if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 )
3995 fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
3997 fprintf( stderr, "? " );
3999 if( (mb_xy+1) % h->mb.i_mb_width == 0 )
4000 fprintf( stderr, "\n" );
4005 /* Remove duplicates, must be done near the end as breaks h->fref0 array
4006 * by freeing some of its pointers. */
4007 for( int i = 0; i < h->i_ref[0]; i++ )
4008 if( h->fref[0][i] && h->fref[0][i]->b_duplicate )
4010 x264_frame_push_blank_unused( h, h->fref[0][i] );
4014 if( h->param.psz_dump_yuv )
4015 x264_frame_dump( h );
4021 static void x264_print_intra( int64_t *i_mb_count, double i_count, int b_print_pcm, char *intra )
4023 intra += sprintf( intra, "I16..4%s: %4.1f%% %4.1f%% %4.1f%%",
4024 b_print_pcm ? "..PCM" : "",
4025 i_mb_count[I_16x16]/ i_count,
4026 i_mb_count[I_8x8] / i_count,
4027 i_mb_count[I_4x4] / i_count );
4029 sprintf( intra, " %4.1f%%", i_mb_count[I_PCM] / i_count );
4032 /****************************************************************************
4033 * x264_encoder_close:
4034 ****************************************************************************/
4035 void x264_encoder_close ( x264_t *h )
4037 int64_t i_yuv_size = FRAME_SIZE( h->param.i_width * h->param.i_height );
4038 int64_t i_mb_count_size[2][7] = {{0}};
4040 int b_print_pcm = h->stat.i_mb_count[SLICE_TYPE_I][I_PCM]
4041 || h->stat.i_mb_count[SLICE_TYPE_P][I_PCM]
4042 || h->stat.i_mb_count[SLICE_TYPE_B][I_PCM];
4044 x264_lookahead_delete( h );
4047 x264_opencl_lookahead_delete( h );
4048 x264_opencl_function_t *ocl = h->opencl.ocl;
4051 if( h->param.b_sliced_threads )
4052 x264_threadpool_wait_all( h );
4053 if( h->param.i_threads > 1 )
4054 x264_threadpool_delete( h->threadpool );
4055 if( h->param.i_lookahead_threads > 1 )
4056 x264_threadpool_delete( h->lookaheadpool );
4057 if( h->i_thread_frames > 1 )
4059 for( int i = 0; i < h->i_thread_frames; i++ )
4060 if( h->thread[i]->b_thread_active )
4062 assert( h->thread[i]->fenc->i_reference_count == 1 );
4063 x264_frame_delete( h->thread[i]->fenc );
4066 x264_t *thread_prev = h->thread[h->i_thread_phase];
4067 x264_thread_sync_ratecontrol( h, thread_prev, h );
4068 x264_thread_sync_ratecontrol( thread_prev, thread_prev, h );
4069 h->i_frame = thread_prev->i_frame + 1 - h->i_thread_frames;
4073 /* Slices used and PSNR */
4074 for( int i = 0; i < 3; i++ )
4076 static const uint8_t slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_P, SLICE_TYPE_B };
4077 int i_slice = slice_order[i];
4079 if( h->stat.i_frame_count[i_slice] > 0 )
4081 int i_count = h->stat.i_frame_count[i_slice];
4082 double dur = h->stat.f_frame_duration[i_slice];
4083 if( h->param.analyse.b_psnr )
4085 x264_log( h, X264_LOG_INFO,
4086 "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",
4087 slice_type_to_char[i_slice],
4089 h->stat.f_frame_qp[i_slice] / i_count,
4090 (double)h->stat.i_frame_size[i_slice] / i_count,
4091 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,
4092 h->stat.f_psnr_average[i_slice] / dur,
4093 x264_psnr( h->stat.f_ssd_global[i_slice], dur * i_yuv_size ) );
4097 x264_log( h, X264_LOG_INFO,
4098 "frame %c:%-5d Avg QP:%5.2f size:%6.0f\n",
4099 slice_type_to_char[i_slice],
4101 h->stat.f_frame_qp[i_slice] / i_count,
4102 (double)h->stat.i_frame_size[i_slice] / i_count );
4106 if( h->param.i_bframe && h->stat.i_frame_count[SLICE_TYPE_B] )
4110 // weight by number of frames (including the I/P-frames) that are in a sequence of N B-frames
4111 for( int i = 0; i <= h->param.i_bframe; i++ )
4112 den += (i+1) * h->stat.i_consecutive_bframes[i];
4113 for( int i = 0; i <= h->param.i_bframe; i++ )
4114 p += sprintf( p, " %4.1f%%", 100. * (i+1) * h->stat.i_consecutive_bframes[i] / den );
4115 x264_log( h, X264_LOG_INFO, "consecutive B-frames:%s\n", buf );
4118 for( int i_type = 0; i_type < 2; i_type++ )
4119 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
4121 if( i == D_DIRECT_8x8 ) continue; /* direct is counted as its own type */
4122 i_mb_count_size[i_type][x264_mb_partition_pixel_table[i]] += h->stat.i_mb_partition[i_type][i];
4126 if( h->stat.i_frame_count[SLICE_TYPE_I] > 0 )
4128 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
4129 double i_count = (double)h->stat.i_frame_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
4130 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
4131 x264_log( h, X264_LOG_INFO, "mb I %s\n", buf );
4133 if( h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
4135 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
4136 double i_count = (double)h->stat.i_frame_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
4137 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_P];
4138 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
4139 x264_log( h, X264_LOG_INFO,
4140 "mb P %s P16..4: %4.1f%% %4.1f%% %4.1f%% %4.1f%% %4.1f%% skip:%4.1f%%\n",
4142 i_mb_size[PIXEL_16x16] / (i_count*4),
4143 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
4144 i_mb_size[PIXEL_8x8] / (i_count*4),
4145 (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
4146 i_mb_size[PIXEL_4x4] / (i_count*4),
4147 i_mb_count[P_SKIP] / i_count );
4149 if( h->stat.i_frame_count[SLICE_TYPE_B] > 0 )
4151 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
4152 double i_count = (double)h->stat.i_frame_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
4153 double i_mb_list_count;
4154 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_B];
4155 int64_t list_count[3] = {0}; /* 0 == L0, 1 == L1, 2 == BI */
4156 x264_print_intra( i_mb_count, i_count, b_print_pcm, buf );
4157 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
4158 for( int j = 0; j < 2; j++ )
4160 int l0 = x264_mb_type_list_table[i][0][j];
4161 int l1 = x264_mb_type_list_table[i][1][j];
4163 list_count[l1+l0*l1] += h->stat.i_mb_count[SLICE_TYPE_B][i] * 2;
4165 list_count[0] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L0_8x8];
4166 list_count[1] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L1_8x8];
4167 list_count[2] += h->stat.i_mb_partition[SLICE_TYPE_B][D_BI_8x8];
4168 i_mb_count[B_DIRECT] += (h->stat.i_mb_partition[SLICE_TYPE_B][D_DIRECT_8x8]+2)/4;
4169 i_mb_list_count = (list_count[0] + list_count[1] + list_count[2]) / 100.0;
4170 sprintf( buf + strlen(buf), " B16..8: %4.1f%% %4.1f%% %4.1f%% direct:%4.1f%% skip:%4.1f%%",
4171 i_mb_size[PIXEL_16x16] / (i_count*4),
4172 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
4173 i_mb_size[PIXEL_8x8] / (i_count*4),
4174 i_mb_count[B_DIRECT] / i_count,
4175 i_mb_count[B_SKIP] / i_count );
4176 if( i_mb_list_count != 0 )
4177 sprintf( buf + strlen(buf), " L0:%4.1f%% L1:%4.1f%% BI:%4.1f%%",
4178 list_count[0] / i_mb_list_count,
4179 list_count[1] / i_mb_list_count,
4180 list_count[2] / i_mb_list_count );
4181 x264_log( h, X264_LOG_INFO, "mb B %s\n", buf );
4184 x264_ratecontrol_summary( h );
4186 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 )
4188 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
4189 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
4190 int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
4191 int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
4192 + SUM3b( h->stat.i_mb_count, I_16x16 );
4193 int64_t i_all_intra = i_intra + SUM3b( h->stat.i_mb_count, I_PCM);
4194 int64_t i_skip = SUM3b( h->stat.i_mb_count, P_SKIP )
4195 + SUM3b( h->stat.i_mb_count, B_SKIP );
4196 const int i_count = h->stat.i_frame_count[SLICE_TYPE_I] +
4197 h->stat.i_frame_count[SLICE_TYPE_P] +
4198 h->stat.i_frame_count[SLICE_TYPE_B];
4199 int64_t i_mb_count = (int64_t)i_count * h->mb.i_mb_count;
4200 int64_t i_inter = i_mb_count - i_skip - i_intra;
4201 const double duration = h->stat.f_frame_duration[SLICE_TYPE_I] +
4202 h->stat.f_frame_duration[SLICE_TYPE_P] +
4203 h->stat.f_frame_duration[SLICE_TYPE_B];
4204 float f_bitrate = SUM3(h->stat.i_frame_size) / duration / 125;
4206 if( PARAM_INTERLACED )
4208 char *fieldstats = buf;
4211 fieldstats += sprintf( fieldstats, " inter:%.1f%%", h->stat.i_mb_field[1] * 100.0 / i_inter );
4213 fieldstats += sprintf( fieldstats, " skip:%.1f%%", h->stat.i_mb_field[2] * 100.0 / i_skip );
4214 x264_log( h, X264_LOG_INFO, "field mbs: intra: %.1f%%%s\n",
4215 h->stat.i_mb_field[0] * 100.0 / i_intra, buf );
4218 if( h->pps->b_transform_8x8_mode )
4221 if( h->stat.i_mb_count_8x8dct[0] )
4222 sprintf( buf, " inter:%.1f%%", 100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
4223 x264_log( h, X264_LOG_INFO, "8x8 transform intra:%.1f%%%s\n", 100. * i_i8x8 / i_intra, buf );
4226 if( (h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO ||
4227 (h->stat.i_direct_frames[0] && h->stat.i_direct_frames[1]))
4228 && h->stat.i_frame_count[SLICE_TYPE_B] )
4230 x264_log( h, X264_LOG_INFO, "direct mvs spatial:%.1f%% temporal:%.1f%%\n",
4231 h->stat.i_direct_frames[1] * 100. / h->stat.i_frame_count[SLICE_TYPE_B],
4232 h->stat.i_direct_frames[0] * 100. / h->stat.i_frame_count[SLICE_TYPE_B] );
4236 int csize = CHROMA444 ? 4 : 1;
4237 if( i_mb_count != i_all_intra )
4238 sprintf( buf, " inter: %.1f%% %.1f%% %.1f%%",
4239 h->stat.i_mb_cbp[1] * 100.0 / ((i_mb_count - i_all_intra)*4),
4240 h->stat.i_mb_cbp[3] * 100.0 / ((i_mb_count - i_all_intra)*csize),
4241 h->stat.i_mb_cbp[5] * 100.0 / ((i_mb_count - i_all_intra)*csize) );
4242 x264_log( h, X264_LOG_INFO, "coded y,%s,%s intra: %.1f%% %.1f%% %.1f%%%s\n",
4243 CHROMA444?"u":"uvDC", CHROMA444?"v":"uvAC",
4244 h->stat.i_mb_cbp[0] * 100.0 / (i_all_intra*4),
4245 h->stat.i_mb_cbp[2] * 100.0 / (i_all_intra*csize),
4246 h->stat.i_mb_cbp[4] * 100.0 / (i_all_intra*csize), buf );
4248 int64_t fixed_pred_modes[4][9] = {{0}};
4249 int64_t sum_pred_modes[4] = {0};
4250 for( int i = 0; i <= I_PRED_16x16_DC_128; i++ )
4252 fixed_pred_modes[0][x264_mb_pred_mode16x16_fix[i]] += h->stat.i_mb_pred_mode[0][i];
4253 sum_pred_modes[0] += h->stat.i_mb_pred_mode[0][i];
4255 if( sum_pred_modes[0] )
4256 x264_log( h, X264_LOG_INFO, "i16 v,h,dc,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
4257 fixed_pred_modes[0][0] * 100.0 / sum_pred_modes[0],
4258 fixed_pred_modes[0][1] * 100.0 / sum_pred_modes[0],
4259 fixed_pred_modes[0][2] * 100.0 / sum_pred_modes[0],
4260 fixed_pred_modes[0][3] * 100.0 / sum_pred_modes[0] );
4261 for( int i = 1; i <= 2; i++ )
4263 for( int j = 0; j <= I_PRED_8x8_DC_128; j++ )
4265 fixed_pred_modes[i][x264_mb_pred_mode4x4_fix(j)] += h->stat.i_mb_pred_mode[i][j];
4266 sum_pred_modes[i] += h->stat.i_mb_pred_mode[i][j];
4268 if( sum_pred_modes[i] )
4269 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,
4270 fixed_pred_modes[i][0] * 100.0 / sum_pred_modes[i],
4271 fixed_pred_modes[i][1] * 100.0 / sum_pred_modes[i],
4272 fixed_pred_modes[i][2] * 100.0 / sum_pred_modes[i],
4273 fixed_pred_modes[i][3] * 100.0 / sum_pred_modes[i],
4274 fixed_pred_modes[i][4] * 100.0 / sum_pred_modes[i],
4275 fixed_pred_modes[i][5] * 100.0 / sum_pred_modes[i],
4276 fixed_pred_modes[i][6] * 100.0 / sum_pred_modes[i],
4277 fixed_pred_modes[i][7] * 100.0 / sum_pred_modes[i],
4278 fixed_pred_modes[i][8] * 100.0 / sum_pred_modes[i] );
4280 for( int i = 0; i <= I_PRED_CHROMA_DC_128; i++ )
4282 fixed_pred_modes[3][x264_mb_chroma_pred_mode_fix[i]] += h->stat.i_mb_pred_mode[3][i];
4283 sum_pred_modes[3] += h->stat.i_mb_pred_mode[3][i];
4285 if( sum_pred_modes[3] && !CHROMA444 )
4286 x264_log( h, X264_LOG_INFO, "i8c dc,h,v,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
4287 fixed_pred_modes[3][0] * 100.0 / sum_pred_modes[3],
4288 fixed_pred_modes[3][1] * 100.0 / sum_pred_modes[3],
4289 fixed_pred_modes[3][2] * 100.0 / sum_pred_modes[3],
4290 fixed_pred_modes[3][3] * 100.0 / sum_pred_modes[3] );
4292 if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE && h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
4293 x264_log( h, X264_LOG_INFO, "Weighted P-Frames: Y:%.1f%% UV:%.1f%%\n",
4294 h->stat.i_wpred[0] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P],
4295 h->stat.i_wpred[1] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P] );
4297 for( int i_list = 0; i_list < 2; i_list++ )
4298 for( int i_slice = 0; i_slice < 2; i_slice++ )
4303 for( int i = 0; i < X264_REF_MAX*2; i++ )
4304 if( h->stat.i_mb_count_ref[i_slice][i_list][i] )
4306 i_den += h->stat.i_mb_count_ref[i_slice][i_list][i];
4311 for( int i = 0; i <= i_max; i++ )
4312 p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i_list][i] / i_den );
4313 x264_log( h, X264_LOG_INFO, "ref %c L%d:%s\n", "PB"[i_slice], i_list, buf );
4316 if( h->param.analyse.b_ssim )
4318 float ssim = SUM3( h->stat.f_ssim_mean_y ) / duration;
4319 x264_log( h, X264_LOG_INFO, "SSIM Mean Y:%.7f (%6.3fdb)\n", ssim, x264_ssim( ssim ) );
4321 if( h->param.analyse.b_psnr )
4323 x264_log( h, X264_LOG_INFO,
4324 "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
4325 SUM3( h->stat.f_psnr_mean_y ) / duration,
4326 SUM3( h->stat.f_psnr_mean_u ) / duration,
4327 SUM3( h->stat.f_psnr_mean_v ) / duration,
4328 SUM3( h->stat.f_psnr_average ) / duration,
4329 x264_psnr( SUM3( h->stat.f_ssd_global ), duration * i_yuv_size ),
4333 x264_log( h, X264_LOG_INFO, "kb/s:%.2f\n", f_bitrate );
4337 x264_ratecontrol_delete( h );
4340 if( h->param.rc.psz_stat_out )
4341 free( h->param.rc.psz_stat_out );
4342 if( h->param.rc.psz_stat_in )
4343 free( h->param.rc.psz_stat_in );
4345 x264_cqm_delete( h );
4346 x264_free( h->nal_buffer );
4347 x264_free( h->reconfig_h );
4348 x264_analyse_free_costs( h );
4350 if( h->i_thread_frames > 1 )
4351 h = h->thread[h->i_thread_phase];
4354 x264_frame_delete_list( h->frames.unused[0] );
4355 x264_frame_delete_list( h->frames.unused[1] );
4356 x264_frame_delete_list( h->frames.current );
4357 x264_frame_delete_list( h->frames.blank_unused );
4361 for( int i = 0; i < h->i_thread_frames; i++ )
4362 if( h->thread[i]->b_thread_active )
4363 for( int j = 0; j < h->thread[i]->i_ref[0]; j++ )
4364 if( h->thread[i]->fref[0][j] && h->thread[i]->fref[0][j]->b_duplicate )
4365 x264_frame_delete( h->thread[i]->fref[0][j] );
4367 if( h->param.i_lookahead_threads > 1 )
4368 for( int i = 0; i < h->param.i_lookahead_threads; i++ )
4369 x264_free( h->lookahead_thread[i] );
4371 for( int i = h->param.i_threads - 1; i >= 0; i-- )
4373 x264_frame_t **frame;
4375 if( !h->param.b_sliced_threads || i == 0 )
4377 for( frame = h->thread[i]->frames.reference; *frame; frame++ )
4379 assert( (*frame)->i_reference_count > 0 );
4380 (*frame)->i_reference_count--;
4381 if( (*frame)->i_reference_count == 0 )
4382 x264_frame_delete( *frame );
4384 frame = &h->thread[i]->fdec;
4387 assert( (*frame)->i_reference_count > 0 );
4388 (*frame)->i_reference_count--;
4389 if( (*frame)->i_reference_count == 0 )
4390 x264_frame_delete( *frame );
4392 x264_macroblock_cache_free( h->thread[i] );
4394 x264_macroblock_thread_free( h->thread[i], 0 );
4395 x264_free( h->thread[i]->out.p_bitstream );
4396 x264_free( h->thread[i]->out.nal );
4397 x264_pthread_mutex_destroy( &h->thread[i]->mutex );
4398 x264_pthread_cond_destroy( &h->thread[i]->cv );
4399 x264_free( h->thread[i] );
4402 x264_opencl_close_library( ocl );
4406 int x264_encoder_delayed_frames( x264_t *h )
4408 int delayed_frames = 0;
4409 if( h->i_thread_frames > 1 )
4411 for( int i = 0; i < h->i_thread_frames; i++ )
4412 delayed_frames += h->thread[i]->b_thread_active;
4413 h = h->thread[h->i_thread_phase];
4415 for( int i = 0; h->frames.current[i]; i++ )
4417 x264_pthread_mutex_lock( &h->lookahead->ofbuf.mutex );
4418 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
4419 x264_pthread_mutex_lock( &h->lookahead->next.mutex );
4420 delayed_frames += h->lookahead->ifbuf.i_size + h->lookahead->next.i_size + h->lookahead->ofbuf.i_size;
4421 x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
4422 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
4423 x264_pthread_mutex_unlock( &h->lookahead->ofbuf.mutex );
4424 return delayed_frames;
4427 int x264_encoder_maximum_delayed_frames( x264_t *h )
4429 return h->frames.i_delay;