1 /*****************************************************************************
2 * encoder.c: top-level encoder functions
3 *****************************************************************************
4 * Copyright (C) 2003-2021 x264 project
5 *
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7 * Loren Merritt <lorenm@u.washington.edu>
8 * Fiona Glaser <fiona@x264.com>
9 *
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.
14 *
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.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
23 *
24 * This program is also available under a commercial proprietary license.
25 * For more information, contact us at licensing@x264.com.
26 *****************************************************************************/
27
28 #include "common/common.h"
29
30 #include "set.h"
31 #include "analyse.h"
32 #include "ratecontrol.h"
33 #include "macroblock.h"
34 #include "me.h"
35 #if HAVE_INTEL_DISPATCHER
36 #include "extras/intel_dispatcher.h"
37 #endif
38
39 //#define DEBUG_MB_TYPE
40
41 #define bs_write_ue bs_write_ue_big
42
43 // forward declaration needed for template usage
44 void x264_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal );
45 void x264_macroblock_cache_load_progressive( x264_t *h, int i_mb_x, int i_mb_y );
46
47 static int encoder_frame_end( x264_t *h, x264_t *thread_current,
48 x264_nal_t **pp_nal, int *pi_nal,
49 x264_picture_t *pic_out );
50
51 /****************************************************************************
52 *
53 ******************************* x264 libs **********************************
54 *
55 ****************************************************************************/
calc_psnr(double sqe,double size)56 static double calc_psnr( double sqe, double size )
57 {
58 double mse = sqe / (PIXEL_MAX*PIXEL_MAX * size);
59 if( mse <= 0.0000000001 ) /* Max 100dB */
60 return 100;
61
62 return -10.0 * log10( mse );
63 }
64
calc_ssim_db(double ssim)65 static double calc_ssim_db( double ssim )
66 {
67 double inv_ssim = 1 - ssim;
68 if( inv_ssim <= 0.0000000001 ) /* Max 100dB */
69 return 100;
70
71 return -10.0 * log10( inv_ssim );
72 }
73
threadpool_wait_all(x264_t * h)74 static int threadpool_wait_all( x264_t *h )
75 {
76 for( int i = 0; i < h->param.i_threads; i++ )
77 if( h->thread[i]->b_thread_active )
78 {
79 h->thread[i]->b_thread_active = 0;
80 if( (intptr_t)x264_threadpool_wait( h->threadpool, h->thread[i] ) < 0 )
81 return -1;
82 }
83 return 0;
84 }
85
frame_dump(x264_t * h)86 static void frame_dump( x264_t *h )
87 {
88 FILE *f = x264_fopen( h->param.psz_dump_yuv, "r+b" );
89 if( !f )
90 return;
91
92 /* Wait for the threads to finish deblocking */
93 if( h->param.b_sliced_threads )
94 threadpool_wait_all( h );
95
96 /* Write the frame in display order */
97 int frame_size = FRAME_SIZE( h->param.i_height * h->param.i_width * SIZEOF_PIXEL );
98 if( !fseek( f, (int64_t)h->fdec->i_frame * frame_size, SEEK_SET ) )
99 {
100 for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
101 for( int y = 0; y < h->param.i_height; y++ )
102 fwrite( &h->fdec->plane[p][y*h->fdec->i_stride[p]], SIZEOF_PIXEL, h->param.i_width, f );
103 if( CHROMA_FORMAT == CHROMA_420 || CHROMA_FORMAT == CHROMA_422 )
104 {
105 int cw = h->param.i_width>>1;
106 int ch = h->param.i_height>>CHROMA_V_SHIFT;
107 pixel *planeu = x264_malloc( 2 * (cw*ch*SIZEOF_PIXEL + 32) );
108 if( planeu )
109 {
110 pixel *planev = planeu + cw*ch + 32/SIZEOF_PIXEL;
111 h->mc.plane_copy_deinterleave( planeu, cw, planev, cw, h->fdec->plane[1], h->fdec->i_stride[1], cw, ch );
112 fwrite( planeu, 1, cw*ch*SIZEOF_PIXEL, f );
113 fwrite( planev, 1, cw*ch*SIZEOF_PIXEL, f );
114 x264_free( planeu );
115 }
116 }
117 }
118 fclose( f );
119 }
120
121 /* Fill "default" values */
slice_header_init(x264_t * h,x264_slice_header_t * sh,x264_sps_t * sps,x264_pps_t * pps,int i_idr_pic_id,int i_frame,int i_qp)122 static void slice_header_init( x264_t *h, x264_slice_header_t *sh,
123 x264_sps_t *sps, x264_pps_t *pps,
124 int i_idr_pic_id, int i_frame, int i_qp )
125 {
126 x264_param_t *param = &h->param;
127
128 /* First we fill all fields */
129 sh->sps = sps;
130 sh->pps = pps;
131
132 sh->i_first_mb = 0;
133 sh->i_last_mb = h->mb.i_mb_count - 1;
134 sh->i_pps_id = pps->i_id;
135
136 sh->i_frame_num = i_frame;
137
138 sh->b_mbaff = PARAM_INTERLACED;
139 sh->b_field_pic = 0; /* no field support for now */
140 sh->b_bottom_field = 0; /* not yet used */
141
142 sh->i_idr_pic_id = i_idr_pic_id;
143
144 /* poc stuff, fixed later */
145 sh->i_poc = 0;
146 sh->i_delta_poc_bottom = 0;
147 sh->i_delta_poc[0] = 0;
148 sh->i_delta_poc[1] = 0;
149
150 sh->i_redundant_pic_cnt = 0;
151
152 h->mb.b_direct_auto_write = h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO
153 && h->param.i_bframe
154 && ( h->param.rc.b_stat_write || !h->param.rc.b_stat_read );
155
156 if( !h->mb.b_direct_auto_read && sh->i_type == SLICE_TYPE_B )
157 {
158 if( h->fref[1][0]->i_poc_l0ref0 == h->fref[0][0]->i_poc )
159 {
160 if( h->mb.b_direct_auto_write )
161 sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] );
162 else
163 sh->b_direct_spatial_mv_pred = ( param->analyse.i_direct_mv_pred == X264_DIRECT_PRED_SPATIAL );
164 }
165 else
166 {
167 h->mb.b_direct_auto_write = 0;
168 sh->b_direct_spatial_mv_pred = 1;
169 }
170 }
171 /* else b_direct_spatial_mv_pred was read from the 2pass statsfile */
172
173 sh->b_num_ref_idx_override = 0;
174 sh->i_num_ref_idx_l0_active = 1;
175 sh->i_num_ref_idx_l1_active = 1;
176
177 sh->b_ref_pic_list_reordering[0] = h->b_ref_reorder[0];
178 sh->b_ref_pic_list_reordering[1] = h->b_ref_reorder[1];
179
180 /* If the ref list isn't in the default order, construct reordering header */
181 for( int list = 0; list < 2; list++ )
182 {
183 if( sh->b_ref_pic_list_reordering[list] )
184 {
185 int pred_frame_num = i_frame;
186 for( int i = 0; i < h->i_ref[list]; i++ )
187 {
188 int diff = h->fref[list][i]->i_frame_num - pred_frame_num;
189 sh->ref_pic_list_order[list][i].idc = ( diff > 0 );
190 sh->ref_pic_list_order[list][i].arg = (abs(diff) - 1) & ((1 << sps->i_log2_max_frame_num) - 1);
191 pred_frame_num = h->fref[list][i]->i_frame_num;
192 }
193 }
194 }
195
196 sh->i_cabac_init_idc = param->i_cabac_init_idc;
197
198 sh->i_qp = SPEC_QP(i_qp);
199 sh->i_qp_delta = sh->i_qp - pps->i_pic_init_qp;
200 sh->b_sp_for_swidth = 0;
201 sh->i_qs_delta = 0;
202
203 int deblock_thresh = i_qp + 2 * X264_MIN(param->i_deblocking_filter_alphac0, param->i_deblocking_filter_beta);
204 /* If effective qp <= 15, deblocking would have no effect anyway */
205 if( param->b_deblocking_filter && (h->mb.b_variable_qp || 15 < deblock_thresh ) )
206 sh->i_disable_deblocking_filter_idc = param->b_sliced_threads ? 2 : 0;
207 else
208 sh->i_disable_deblocking_filter_idc = 1;
209 sh->i_alpha_c0_offset = param->i_deblocking_filter_alphac0 << 1;
210 sh->i_beta_offset = param->i_deblocking_filter_beta << 1;
211 }
212
slice_header_write(bs_t * s,x264_slice_header_t * sh,int i_nal_ref_idc)213 static void slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal_ref_idc )
214 {
215 if( sh->b_mbaff )
216 {
217 int first_x = sh->i_first_mb % sh->sps->i_mb_width;
218 int first_y = sh->i_first_mb / sh->sps->i_mb_width;
219 assert( (first_y&1) == 0 );
220 bs_write_ue( s, (2*first_x + sh->sps->i_mb_width*(first_y&~1) + (first_y&1)) >> 1 );
221 }
222 else
223 bs_write_ue( s, sh->i_first_mb );
224
225 bs_write_ue( s, sh->i_type + 5 ); /* same type things */
226 bs_write_ue( s, sh->i_pps_id );
227 bs_write( s, sh->sps->i_log2_max_frame_num, sh->i_frame_num & ((1<<sh->sps->i_log2_max_frame_num)-1) );
228
229 if( !sh->sps->b_frame_mbs_only )
230 {
231 bs_write1( s, sh->b_field_pic );
232 if( sh->b_field_pic )
233 bs_write1( s, sh->b_bottom_field );
234 }
235
236 if( sh->i_idr_pic_id >= 0 ) /* NAL IDR */
237 bs_write_ue( s, sh->i_idr_pic_id );
238
239 if( sh->sps->i_poc_type == 0 )
240 {
241 bs_write( s, sh->sps->i_log2_max_poc_lsb, sh->i_poc & ((1<<sh->sps->i_log2_max_poc_lsb)-1) );
242 if( sh->pps->b_pic_order && !sh->b_field_pic )
243 bs_write_se( s, sh->i_delta_poc_bottom );
244 }
245
246 if( sh->pps->b_redundant_pic_cnt )
247 bs_write_ue( s, sh->i_redundant_pic_cnt );
248
249 if( sh->i_type == SLICE_TYPE_B )
250 bs_write1( s, sh->b_direct_spatial_mv_pred );
251
252 if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_B )
253 {
254 bs_write1( s, sh->b_num_ref_idx_override );
255 if( sh->b_num_ref_idx_override )
256 {
257 bs_write_ue( s, sh->i_num_ref_idx_l0_active - 1 );
258 if( sh->i_type == SLICE_TYPE_B )
259 bs_write_ue( s, sh->i_num_ref_idx_l1_active - 1 );
260 }
261 }
262
263 /* ref pic list reordering */
264 if( sh->i_type != SLICE_TYPE_I )
265 {
266 bs_write1( s, sh->b_ref_pic_list_reordering[0] );
267 if( sh->b_ref_pic_list_reordering[0] )
268 {
269 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
270 {
271 bs_write_ue( s, sh->ref_pic_list_order[0][i].idc );
272 bs_write_ue( s, sh->ref_pic_list_order[0][i].arg );
273 }
274 bs_write_ue( s, 3 );
275 }
276 }
277 if( sh->i_type == SLICE_TYPE_B )
278 {
279 bs_write1( s, sh->b_ref_pic_list_reordering[1] );
280 if( sh->b_ref_pic_list_reordering[1] )
281 {
282 for( int i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
283 {
284 bs_write_ue( s, sh->ref_pic_list_order[1][i].idc );
285 bs_write_ue( s, sh->ref_pic_list_order[1][i].arg );
286 }
287 bs_write_ue( s, 3 );
288 }
289 }
290
291 sh->b_weighted_pred = 0;
292 if( sh->pps->b_weighted_pred && sh->i_type == SLICE_TYPE_P )
293 {
294 sh->b_weighted_pred = sh->weight[0][0].weightfn || sh->weight[0][1].weightfn || sh->weight[0][2].weightfn;
295 /* pred_weight_table() */
296 bs_write_ue( s, sh->weight[0][0].i_denom ); /* luma_log2_weight_denom */
297 if( sh->sps->i_chroma_format_idc )
298 bs_write_ue( s, sh->weight[0][1].i_denom ); /* chroma_log2_weight_denom */
299 for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
300 {
301 int luma_weight_l0_flag = !!sh->weight[i][0].weightfn;
302 bs_write1( s, luma_weight_l0_flag );
303 if( luma_weight_l0_flag )
304 {
305 bs_write_se( s, sh->weight[i][0].i_scale );
306 bs_write_se( s, sh->weight[i][0].i_offset );
307 }
308 if( sh->sps->i_chroma_format_idc )
309 {
310 int chroma_weight_l0_flag = sh->weight[i][1].weightfn || sh->weight[i][2].weightfn;
311 bs_write1( s, chroma_weight_l0_flag );
312 if( chroma_weight_l0_flag )
313 {
314 for( int j = 1; j < 3; j++ )
315 {
316 bs_write_se( s, sh->weight[i][j].i_scale );
317 bs_write_se( s, sh->weight[i][j].i_offset );
318 }
319 }
320 }
321 }
322 }
323 else if( sh->pps->b_weighted_bipred == 1 && sh->i_type == SLICE_TYPE_B )
324 {
325 /* TODO */
326 }
327
328 if( i_nal_ref_idc != 0 )
329 {
330 if( sh->i_idr_pic_id >= 0 )
331 {
332 bs_write1( s, 0 ); /* no output of prior pics flag */
333 bs_write1( s, 0 ); /* long term reference flag */
334 }
335 else
336 {
337 bs_write1( s, sh->i_mmco_command_count > 0 ); /* adaptive_ref_pic_marking_mode_flag */
338 if( sh->i_mmco_command_count > 0 )
339 {
340 for( int i = 0; i < sh->i_mmco_command_count; i++ )
341 {
342 bs_write_ue( s, 1 ); /* mark short term ref as unused */
343 bs_write_ue( s, sh->mmco[i].i_difference_of_pic_nums - 1 );
344 }
345 bs_write_ue( s, 0 ); /* end command list */
346 }
347 }
348 }
349
350 if( sh->pps->b_cabac && sh->i_type != SLICE_TYPE_I )
351 bs_write_ue( s, sh->i_cabac_init_idc );
352
353 bs_write_se( s, sh->i_qp_delta ); /* slice qp delta */
354
355 if( sh->pps->b_deblocking_filter_control )
356 {
357 bs_write_ue( s, sh->i_disable_deblocking_filter_idc );
358 if( sh->i_disable_deblocking_filter_idc != 1 )
359 {
360 bs_write_se( s, sh->i_alpha_c0_offset >> 1 );
361 bs_write_se( s, sh->i_beta_offset >> 1 );
362 }
363 }
364 }
365
366 /* If we are within a reasonable distance of the end of the memory allocated for the bitstream, */
367 /* reallocate, adding an arbitrary amount of space. */
bitstream_check_buffer_internal(x264_t * h,int size,int b_cabac,int i_nal)368 static int bitstream_check_buffer_internal( x264_t *h, int size, int b_cabac, int i_nal )
369 {
370 if( (b_cabac && (h->cabac.p_end - h->cabac.p < size)) ||
371 (h->out.bs.p_end - h->out.bs.p < size) )
372 {
373 if( size > INT_MAX - h->out.i_bitstream )
374 return -1;
375 int buf_size = h->out.i_bitstream + size;
376 uint8_t *buf = x264_malloc( buf_size );
377 if( !buf )
378 return -1;
379 int aligned_size = h->out.i_bitstream & ~15;
380 h->mc.memcpy_aligned( buf, h->out.p_bitstream, aligned_size );
381 memcpy( buf + aligned_size, h->out.p_bitstream + aligned_size, h->out.i_bitstream - aligned_size );
382
383 intptr_t delta = buf - h->out.p_bitstream;
384
385 h->out.bs.p_start += delta;
386 h->out.bs.p += delta;
387 h->out.bs.p_end = buf + buf_size;
388
389 h->cabac.p_start += delta;
390 h->cabac.p += delta;
391 h->cabac.p_end = buf + buf_size;
392
393 for( int i = 0; i <= i_nal; i++ )
394 h->out.nal[i].p_payload += delta;
395
396 x264_free( h->out.p_bitstream );
397 h->out.p_bitstream = buf;
398 h->out.i_bitstream = buf_size;
399 }
400 return 0;
401 }
402
bitstream_check_buffer(x264_t * h)403 static int bitstream_check_buffer( x264_t *h )
404 {
405 int max_row_size = (2500 << SLICE_MBAFF) * h->mb.i_mb_width;
406 return bitstream_check_buffer_internal( h, max_row_size, h->param.b_cabac, h->out.i_nal );
407 }
408
bitstream_check_buffer_filler(x264_t * h,int filler)409 static int bitstream_check_buffer_filler( x264_t *h, int filler )
410 {
411 filler += 32; // add padding for safety
412 return bitstream_check_buffer_internal( h, filler, 0, -1 );
413 }
414
415 #if HAVE_THREAD
encoder_thread_init(x264_t * h)416 static void encoder_thread_init( x264_t *h )
417 {
418 if( h->param.i_sync_lookahead )
419 x264_lower_thread_priority( 10 );
420 }
421 #endif
422
423 /****************************************************************************
424 *
425 ****************************************************************************
426 ****************************** External API*********************************
427 ****************************************************************************
428 *
429 ****************************************************************************/
430
validate_parameters(x264_t * h,int b_open)431 static int validate_parameters( x264_t *h, int b_open )
432 {
433 if( !h->param.pf_log )
434 {
435 x264_log_internal( X264_LOG_ERROR, "pf_log not set! did you forget to call x264_param_default?\n" );
436 return -1;
437 }
438
439 #if HAVE_MMX
440 if( b_open )
441 {
442 uint32_t cpuflags = x264_cpu_detect();
443 int fail = 0;
444 #ifdef __SSE__
445 if( !(cpuflags & X264_CPU_SSE) )
446 {
447 x264_log( h, X264_LOG_ERROR, "your cpu does not support SSE1, but x264 was compiled with asm\n");
448 fail = 1;
449 }
450 #else
451 if( !(cpuflags & X264_CPU_MMX2) )
452 {
453 x264_log( h, X264_LOG_ERROR, "your cpu does not support MMXEXT, but x264 was compiled with asm\n");
454 fail = 1;
455 }
456 #endif
457 if( fail )
458 {
459 x264_log( h, X264_LOG_ERROR, "to run x264, recompile without asm (configure --disable-asm)\n");
460 return -1;
461 }
462 }
463 #endif
464
465 #if HAVE_INTERLACED
466 h->param.b_interlaced = !!PARAM_INTERLACED;
467 #else
468 if( h->param.b_interlaced )
469 {
470 x264_log( h, X264_LOG_ERROR, "not compiled with interlaced support\n" );
471 return -1;
472 }
473 #endif
474
475 #define MAX_RESOLUTION 16384
476 if( h->param.i_width <= 0 || h->param.i_height <= 0 ||
477 h->param.i_width > MAX_RESOLUTION || h->param.i_height > MAX_RESOLUTION )
478 {
479 x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
480 h->param.i_width, h->param.i_height );
481 return -1;
482 }
483
484 int i_csp = h->param.i_csp & X264_CSP_MASK;
485 #if X264_CHROMA_FORMAT
486 if( CHROMA_FORMAT != CHROMA_400 && i_csp == X264_CSP_I400 )
487 {
488 x264_log( h, X264_LOG_ERROR, "not compiled with 4:0:0 support\n" );
489 return -1;
490 }
491 else if( CHROMA_FORMAT != CHROMA_420 && i_csp >= X264_CSP_I420 && i_csp < X264_CSP_I422 )
492 {
493 x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:0 support\n" );
494 return -1;
495 }
496 else if( CHROMA_FORMAT != CHROMA_422 && i_csp >= X264_CSP_I422 && i_csp < X264_CSP_I444 )
497 {
498 x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:2 support\n" );
499 return -1;
500 }
501 else if( CHROMA_FORMAT != CHROMA_444 && i_csp >= X264_CSP_I444 && i_csp <= X264_CSP_RGB )
502 {
503 x264_log( h, X264_LOG_ERROR, "not compiled with 4:4:4 support\n" );
504 return -1;
505 }
506 #endif
507 if( i_csp <= X264_CSP_NONE || i_csp >= X264_CSP_MAX )
508 {
509 x264_log( h, X264_LOG_ERROR, "invalid CSP (only I400/I420/YV12/NV12/NV21/I422/YV16/NV16/YUYV/UYVY/"
510 "I444/YV24/BGR/BGRA/RGB supported)\n" );
511 return -1;
512 }
513
514 int w_mod = 1;
515 int h_mod = 1 << (PARAM_INTERLACED || h->param.b_fake_interlaced);
516 if( i_csp == X264_CSP_I400 )
517 {
518 h->param.analyse.i_chroma_qp_offset = 0;
519 h->param.analyse.b_chroma_me = 0;
520 h->param.vui.i_colmatrix = 2; /* undefined */
521 }
522 else if( i_csp < X264_CSP_I444 )
523 {
524 w_mod = 2;
525 if( i_csp < X264_CSP_I422 )
526 h_mod *= 2;
527 }
528
529 if( h->param.i_width % w_mod )
530 {
531 x264_log( h, X264_LOG_ERROR, "width not divisible by %d (%dx%d)\n",
532 w_mod, h->param.i_width, h->param.i_height );
533 return -1;
534 }
535 if( h->param.i_height % h_mod )
536 {
537 x264_log( h, X264_LOG_ERROR, "height not divisible by %d (%dx%d)\n",
538 h_mod, h->param.i_width, h->param.i_height );
539 return -1;
540 }
541
542 if( h->param.crop_rect.i_left < 0 || h->param.crop_rect.i_left >= h->param.i_width ||
543 h->param.crop_rect.i_right < 0 || h->param.crop_rect.i_right >= h->param.i_width ||
544 h->param.crop_rect.i_top < 0 || h->param.crop_rect.i_top >= h->param.i_height ||
545 h->param.crop_rect.i_bottom < 0 || h->param.crop_rect.i_bottom >= h->param.i_height ||
546 h->param.crop_rect.i_left + h->param.crop_rect.i_right >= h->param.i_width ||
547 h->param.crop_rect.i_top + h->param.crop_rect.i_bottom >= h->param.i_height )
548 {
549 x264_log( h, X264_LOG_ERROR, "invalid crop-rect %d,%d,%d,%d\n", h->param.crop_rect.i_left,
550 h->param.crop_rect.i_top, h->param.crop_rect.i_right, h->param.crop_rect.i_bottom );
551 return -1;
552 }
553 if( h->param.crop_rect.i_left % w_mod || h->param.crop_rect.i_right % w_mod ||
554 h->param.crop_rect.i_top % h_mod || h->param.crop_rect.i_bottom % h_mod )
555 {
556 x264_log( h, X264_LOG_ERROR, "crop-rect %d,%d,%d,%d not divisible by %dx%d\n", h->param.crop_rect.i_left,
557 h->param.crop_rect.i_top, h->param.crop_rect.i_right, h->param.crop_rect.i_bottom, w_mod, h_mod );
558 return -1;
559 }
560
561 if( h->param.vui.i_sar_width <= 0 || h->param.vui.i_sar_height <= 0 )
562 {
563 h->param.vui.i_sar_width = 0;
564 h->param.vui.i_sar_height = 0;
565 }
566
567 if( h->param.i_threads == X264_THREADS_AUTO )
568 {
569 h->param.i_threads = x264_cpu_num_processors() * (h->param.b_sliced_threads?2:3)/2;
570 /* Avoid too many threads as they don't improve performance and
571 * complicate VBV. Capped at an arbitrary 2 rows per thread. */
572 int max_threads = X264_MAX( 1, (h->param.i_height+15)/16 / 2 );
573 h->param.i_threads = X264_MIN( h->param.i_threads, max_threads );
574 }
575 int max_sliced_threads = X264_MAX( 1, (h->param.i_height+15)/16 / 4 );
576 if( h->param.i_threads > 1 )
577 {
578 #if !HAVE_THREAD
579 x264_log( h, X264_LOG_WARNING, "not compiled with thread support!\n");
580 h->param.i_threads = 1;
581 #endif
582 /* Avoid absurdly small thread slices as they can reduce performance
583 * and VBV compliance. Capped at an arbitrary 4 rows per thread. */
584 if( h->param.b_sliced_threads )
585 h->param.i_threads = X264_MIN( h->param.i_threads, max_sliced_threads );
586 }
587 h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
588 if( h->param.i_threads == 1 )
589 {
590 h->param.b_sliced_threads = 0;
591 h->param.i_lookahead_threads = 1;
592 }
593 h->i_thread_frames = h->param.b_sliced_threads ? 1 : h->param.i_threads;
594 if( h->i_thread_frames > 1 )
595 h->param.nalu_process = NULL;
596
597 if( h->param.b_opencl )
598 {
599 #if !HAVE_OPENCL
600 x264_log( h, X264_LOG_WARNING, "OpenCL: not compiled with OpenCL support, disabling\n" );
601 h->param.b_opencl = 0;
602 #elif BIT_DEPTH > 8
603 x264_log( h, X264_LOG_WARNING, "OpenCL lookahead does not support high bit depth, disabling opencl\n" );
604 h->param.b_opencl = 0;
605 #else
606 if( h->param.i_width < 32 || h->param.i_height < 32 )
607 {
608 x264_log( h, X264_LOG_WARNING, "OpenCL: frame size is too small, disabling opencl\n" );
609 h->param.b_opencl = 0;
610 }
611 #endif
612 if( h->param.opencl_device_id && h->param.i_opencl_device )
613 {
614 x264_log( h, X264_LOG_WARNING, "OpenCL: device id and device skip count configured; dropping skip\n" );
615 h->param.i_opencl_device = 0;
616 }
617 }
618
619 h->param.i_keyint_max = x264_clip3( h->param.i_keyint_max, 1, X264_KEYINT_MAX_INFINITE );
620 if( h->param.i_keyint_max == 1 )
621 {
622 h->param.b_intra_refresh = 0;
623 h->param.analyse.i_weighted_pred = 0;
624 h->param.i_frame_reference = 1;
625 h->param.i_dpb_size = 1;
626 }
627
628 if( h->param.i_frame_packing < -1 || h->param.i_frame_packing > 7 )
629 {
630 x264_log( h, X264_LOG_WARNING, "ignoring unknown frame packing value\n" );
631 h->param.i_frame_packing = -1;
632 }
633 if( h->param.i_frame_packing == 7 &&
634 ((h->param.i_width - h->param.crop_rect.i_left - h->param.crop_rect.i_right) % 3 ||
635 (h->param.i_height - h->param.crop_rect.i_top - h->param.crop_rect.i_bottom) % 3) )
636 {
637 x264_log( h, X264_LOG_ERROR, "cropped resolution %dx%d not compatible with tile format frame packing\n",
638 h->param.i_width - h->param.crop_rect.i_left - h->param.crop_rect.i_right,
639 h->param.i_height - h->param.crop_rect.i_top - h->param.crop_rect.i_bottom );
640 return -1;
641 }
642
643 if( h->param.mastering_display.b_mastering_display )
644 {
645 if( h->param.mastering_display.i_green_x > UINT16_MAX || h->param.mastering_display.i_green_x < 0 ||
646 h->param.mastering_display.i_green_y > UINT16_MAX || h->param.mastering_display.i_green_y < 0 ||
647 h->param.mastering_display.i_blue_x > UINT16_MAX || h->param.mastering_display.i_blue_x < 0 ||
648 h->param.mastering_display.i_blue_y > UINT16_MAX || h->param.mastering_display.i_blue_y < 0 ||
649 h->param.mastering_display.i_red_x > UINT16_MAX || h->param.mastering_display.i_red_x < 0 ||
650 h->param.mastering_display.i_red_y > UINT16_MAX || h->param.mastering_display.i_red_y < 0 ||
651 h->param.mastering_display.i_white_x > UINT16_MAX || h->param.mastering_display.i_white_x < 0 ||
652 h->param.mastering_display.i_white_y > UINT16_MAX || h->param.mastering_display.i_white_y < 0 )
653 {
654 x264_log( h, X264_LOG_ERROR, "mastering display xy coordinates out of range [0,%u]\n", UINT16_MAX );
655 return -1;
656 }
657 if( h->param.mastering_display.i_display_max > UINT32_MAX || h->param.mastering_display.i_display_max < 0 ||
658 h->param.mastering_display.i_display_min > UINT32_MAX || h->param.mastering_display.i_display_min < 0 )
659 {
660 x264_log( h, X264_LOG_ERROR, "mastering display brightness out of range [0,%u]\n", UINT32_MAX );
661 return -1;
662 }
663 if( h->param.mastering_display.i_display_min == 50000 && h->param.mastering_display.i_display_max == 50000 )
664 {
665 x264_log( h, X264_LOG_ERROR, "mastering display min and max brightness cannot both be 50000\n" );
666 return -1;
667 }
668 }
669
670 if( h->param.content_light_level.b_cll &&
671 (h->param.content_light_level.i_max_cll > UINT16_MAX || h->param.content_light_level.i_max_cll < 0 ||
672 h->param.content_light_level.i_max_fall > UINT16_MAX || h->param.content_light_level.i_max_fall < 0) )
673 {
674 x264_log( h, X264_LOG_ERROR, "content light levels out of range [0,%u]\n", UINT16_MAX );
675 return -1;
676 }
677
678 /* Detect default ffmpeg settings and terminate with an error. */
679 if( b_open )
680 {
681 int score = 0;
682 score += h->param.analyse.i_me_range == 0;
683 score += h->param.rc.i_qp_step == 3;
684 score += h->param.i_keyint_max == 12;
685 score += h->param.rc.i_qp_min == 2;
686 score += h->param.rc.i_qp_max == 31;
687 score += h->param.rc.f_qcompress == 0.5;
688 score += fabs(h->param.rc.f_ip_factor - 1.25) < 0.01;
689 score += fabs(h->param.rc.f_pb_factor - 1.25) < 0.01;
690 score += h->param.analyse.inter == 0 && h->param.analyse.i_subpel_refine == 8;
691 if( score >= 5 )
692 {
693 x264_log( h, X264_LOG_ERROR, "broken ffmpeg default settings detected\n" );
694 x264_log( h, X264_LOG_ERROR, "use an encoding preset (e.g. -vpre medium)\n" );
695 x264_log( h, X264_LOG_ERROR, "preset usage: -vpre <speed> -vpre <profile>\n" );
696 x264_log( h, X264_LOG_ERROR, "speed presets are listed in x264 --help\n" );
697 x264_log( h, X264_LOG_ERROR, "profile is optional; x264 defaults to high\n" );
698 return -1;
699 }
700 }
701
702 if( h->param.rc.i_rc_method < 0 || h->param.rc.i_rc_method > 2 )
703 {
704 x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" );
705 return -1;
706 }
707
708 if( PARAM_INTERLACED )
709 h->param.b_pic_struct = 1;
710
711 if( h->param.i_avcintra_class )
712 {
713 if( BIT_DEPTH != 10 )
714 {
715 x264_log( h, X264_LOG_ERROR, "%2d-bit AVC-Intra is not widely compatible\n", BIT_DEPTH );
716 x264_log( h, X264_LOG_ERROR, "10-bit x264 is required to encode AVC-Intra\n" );
717 return -1;
718 }
719
720 int type = h->param.i_avcintra_class == 200 ? 2 :
721 h->param.i_avcintra_class == 100 ? 1 :
722 h->param.i_avcintra_class == 50 ? 0 : -1;
723 if( type < 0 )
724 {
725 x264_log( h, X264_LOG_ERROR, "Invalid AVC-Intra class\n" );
726 return -1;
727 }
728
729 /* [50/100/200][res][fps] */
730 static const struct
731 {
732 uint16_t fps_num;
733 uint16_t fps_den;
734 uint8_t interlaced;
735 uint16_t frame_size;
736 const uint8_t *cqm_4ic;
737 const uint8_t *cqm_8iy;
738 } avcintra_lut[3][2][7] =
739 {
740 {{{ 60000, 1001, 0, 912, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
741 { 50, 1, 0, 1100, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
742 { 30000, 1001, 0, 912, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
743 { 25, 1, 0, 1100, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
744 { 24000, 1001, 0, 912, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy }},
745 {{ 30000, 1001, 1, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_1080i_8iy },
746 { 25, 1, 1, 2196, x264_cqm_avci50_4ic, x264_cqm_avci50_1080i_8iy },
747 { 60000, 1001, 0, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
748 { 30000, 1001, 0, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
749 { 50, 1, 0, 2196, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
750 { 25, 1, 0, 2196, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy },
751 { 24000, 1001, 0, 1820, x264_cqm_avci50_4ic, x264_cqm_avci50_p_8iy }}},
752 {{{ 60000, 1001, 0, 1848, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
753 { 50, 1, 0, 2224, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
754 { 30000, 1001, 0, 1848, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
755 { 25, 1, 0, 2224, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
756 { 24000, 1001, 0, 1848, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy }},
757 {{ 30000, 1001, 1, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
758 { 25, 1, 1, 4444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
759 { 60000, 1001, 0, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
760 { 30000, 1001, 0, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
761 { 50, 1, 0, 4444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
762 { 25, 1, 0, 4444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
763 { 24000, 1001, 0, 3692, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy }}},
764 {{{ 60000, 1001, 0, 3724, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy },
765 { 50, 1, 0, 4472, x264_cqm_avci100_720p_4ic, x264_cqm_avci100_720p_8iy }},
766 {{ 30000, 1001, 1, 7444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
767 { 25, 1, 1, 8940, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080i_8iy },
768 { 60000, 1001, 0, 7444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
769 { 30000, 1001, 0, 7444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
770 { 50, 1, 0, 8940, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
771 { 25, 1, 0, 8940, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy },
772 { 24000, 1001, 0, 7444, x264_cqm_avci100_1080_4ic, x264_cqm_avci100_1080p_8iy }}}
773 };
774
775 int res = -1;
776 if( i_csp >= X264_CSP_I420 && i_csp < X264_CSP_I422 && !type )
777 {
778 if( h->param.i_width == 1440 && h->param.i_height == 1080 ) res = 1;
779 else if( h->param.i_width == 960 && h->param.i_height == 720 ) res = 0;
780 }
781 else if( i_csp >= X264_CSP_I422 && i_csp < X264_CSP_I444 && type )
782 {
783 if( h->param.i_width == 1920 && h->param.i_height == 1080 ) res = 1;
784 else if( h->param.i_width == 1280 && h->param.i_height == 720 ) res = 0;
785 }
786 else
787 {
788 x264_log( h, X264_LOG_ERROR, "Invalid colorspace for AVC-Intra %d\n", h->param.i_avcintra_class );
789 return -1;
790 }
791
792 if( res < 0 )
793 {
794 x264_log( h, X264_LOG_ERROR, "Resolution %dx%d invalid for AVC-Intra %d\n",
795 h->param.i_width, h->param.i_height, h->param.i_avcintra_class );
796 return -1;
797 }
798
799 if( h->param.nalu_process )
800 {
801 x264_log( h, X264_LOG_ERROR, "nalu_process is not supported in AVC-Intra mode\n" );
802 return -1;
803 }
804
805 if( !h->param.b_repeat_headers )
806 {
807 x264_log( h, X264_LOG_ERROR, "Separate headers not supported in AVC-Intra mode\n" );
808 return -1;
809 }
810
811 int i;
812 uint32_t fps_num = h->param.i_fps_num, fps_den = h->param.i_fps_den;
813 x264_reduce_fraction( &fps_num, &fps_den );
814 for( i = 0; i < 7; i++ )
815 {
816 if( avcintra_lut[type][res][i].fps_num == fps_num &&
817 avcintra_lut[type][res][i].fps_den == fps_den &&
818 avcintra_lut[type][res][i].interlaced == PARAM_INTERLACED )
819 {
820 break;
821 }
822 }
823 if( i == 7 )
824 {
825 x264_log( h, X264_LOG_ERROR, "FPS %d/%d%c not compatible with AVC-Intra\n",
826 h->param.i_fps_num, h->param.i_fps_den, PARAM_INTERLACED ? 'i' : 'p' );
827 return -1;
828 }
829
830 h->param.i_keyint_max = 1;
831 h->param.b_intra_refresh = 0;
832 h->param.analyse.i_weighted_pred = 0;
833 h->param.i_frame_reference = 1;
834 h->param.i_dpb_size = 1;
835
836 h->param.b_bluray_compat = 0;
837 h->param.b_vfr_input = 0;
838 h->param.b_aud = 1;
839 h->param.vui.i_chroma_loc = 0;
840 h->param.i_nal_hrd = X264_NAL_HRD_NONE;
841 h->param.b_deblocking_filter = 0;
842 h->param.b_stitchable = 1;
843 h->param.b_pic_struct = 0;
844 h->param.analyse.b_transform_8x8 = 1;
845 h->param.analyse.intra = X264_ANALYSE_I8x8;
846 h->param.analyse.i_chroma_qp_offset = res && type ? 3 : 4;
847 h->param.b_cabac = !type;
848 h->param.rc.i_vbv_buffer_size = avcintra_lut[type][res][i].frame_size;
849 h->param.rc.i_vbv_max_bitrate =
850 h->param.rc.i_bitrate = h->param.rc.i_vbv_buffer_size * fps_num / fps_den;
851 h->param.rc.i_rc_method = X264_RC_ABR;
852 h->param.rc.f_vbv_buffer_init = 1.0;
853 h->param.rc.b_filler = 1;
854 h->param.i_cqm_preset = X264_CQM_CUSTOM;
855 memcpy( h->param.cqm_4iy, x264_cqm_jvt4i, sizeof(h->param.cqm_4iy) );
856 memcpy( h->param.cqm_4ic, avcintra_lut[type][res][i].cqm_4ic, sizeof(h->param.cqm_4ic) );
857 memcpy( h->param.cqm_8iy, avcintra_lut[type][res][i].cqm_8iy, sizeof(h->param.cqm_8iy) );
858
859 /* Sony XAVC flavor much more simple */
860 if( h->param.i_avcintra_flavor == X264_AVCINTRA_FLAVOR_SONY )
861 {
862 h->param.i_slice_count = 8;
863 if( h->param.b_sliced_threads )
864 h->param.i_threads = h->param.i_slice_count;
865 /* Sony XAVC unlike AVC-Intra doesn't seem to have a QP floor */
866 }
867 else
868 {
869 /* Need exactly 10 slices of equal MB count... why? $deity knows... */
870 h->param.i_slice_max_mbs = ((h->param.i_width + 15) / 16) * ((h->param.i_height + 15) / 16) / 10;
871 h->param.i_slice_max_size = 0;
872 /* The slice structure only allows a maximum of 2 threads for 1080i/p
873 * and 1 or 5 threads for 720p */
874 if( h->param.b_sliced_threads )
875 {
876 if( res )
877 h->param.i_threads = X264_MIN( 2, h->param.i_threads );
878 else
879 {
880 h->param.i_threads = X264_MIN( 5, h->param.i_threads );
881 if( h->param.i_threads < 5 )
882 h->param.i_threads = 1;
883 }
884 }
885
886 /* Official encoder doesn't appear to go under 13
887 * and Avid cannot handle negative QPs */
888 h->param.rc.i_qp_min = X264_MAX( h->param.rc.i_qp_min, QP_BD_OFFSET + 1 );
889 }
890
891 if( type )
892 h->param.vui.i_sar_width = h->param.vui.i_sar_height = 1;
893 else
894 {
895 h->param.vui.i_sar_width = 4;
896 h->param.vui.i_sar_height = 3;
897 }
898 }
899
900 h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, -QP_BD_OFFSET, 51 );
901 h->param.rc.f_rf_constant_max = x264_clip3f( h->param.rc.f_rf_constant_max, -QP_BD_OFFSET, 51 );
902 h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, -1, QP_MAX );
903 h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 11 );
904 h->param.rc.f_ip_factor = x264_clip3f( h->param.rc.f_ip_factor, 0.01, 10.0 );
905 h->param.rc.f_pb_factor = x264_clip3f( h->param.rc.f_pb_factor, 0.01, 10.0 );
906 if( h->param.rc.i_rc_method == X264_RC_CRF )
907 {
908 h->param.rc.i_qp_constant = h->param.rc.f_rf_constant + QP_BD_OFFSET;
909 h->param.rc.i_bitrate = 0;
910 }
911 if( b_open && (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF)
912 && h->param.rc.i_qp_constant == 0 )
913 {
914 h->mb.b_lossless = 1;
915 h->param.i_cqm_preset = X264_CQM_FLAT;
916 h->param.psz_cqm_file = NULL;
917 h->param.rc.i_rc_method = X264_RC_CQP;
918 h->param.rc.f_ip_factor = 1;
919 h->param.rc.f_pb_factor = 1;
920 h->param.analyse.b_psnr = 0;
921 h->param.analyse.b_ssim = 0;
922 h->param.analyse.i_chroma_qp_offset = 0;
923 h->param.analyse.i_trellis = 0;
924 h->param.analyse.b_fast_pskip = 0;
925 h->param.analyse.i_noise_reduction = 0;
926 h->param.analyse.b_psy = 0;
927 h->param.i_bframe = 0;
928 /* 8x8dct is not useful without RD in CAVLC lossless */
929 if( !h->param.b_cabac && h->param.analyse.i_subpel_refine < 6 )
930 h->param.analyse.b_transform_8x8 = 0;
931 }
932 if( h->param.rc.i_rc_method == X264_RC_CQP )
933 {
934 float qp_p = h->param.rc.i_qp_constant;
935 float qp_i = qp_p - 6*log2f( h->param.rc.f_ip_factor );
936 float qp_b = qp_p + 6*log2f( h->param.rc.f_pb_factor );
937 if( qp_p < 0 )
938 {
939 x264_log( h, X264_LOG_ERROR, "qp not specified\n" );
940 return -1;
941 }
942
943 h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, QP_MAX );
944 h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, QP_MAX );
945 h->param.rc.i_aq_mode = 0;
946 h->param.rc.b_mb_tree = 0;
947 h->param.rc.i_bitrate = 0;
948 }
949 h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, QP_MAX );
950 h->param.rc.i_qp_min = x264_clip3( h->param.rc.i_qp_min, 0, h->param.rc.i_qp_max );
951 h->param.rc.i_qp_step = x264_clip3( h->param.rc.i_qp_step, 2, QP_MAX );
952 h->param.rc.i_bitrate = x264_clip3( h->param.rc.i_bitrate, 0, 2000000 );
953 if( h->param.rc.i_rc_method == X264_RC_ABR && !h->param.rc.i_bitrate )
954 {
955 x264_log( h, X264_LOG_ERROR, "bitrate not specified\n" );
956 return -1;
957 }
958 h->param.rc.i_vbv_buffer_size = x264_clip3( h->param.rc.i_vbv_buffer_size, 0, 2000000 );
959 h->param.rc.i_vbv_max_bitrate = x264_clip3( h->param.rc.i_vbv_max_bitrate, 0, 2000000 );
960 h->param.rc.f_vbv_buffer_init = x264_clip3f( h->param.rc.f_vbv_buffer_init, 0, 2000000 );
961 if( h->param.rc.i_vbv_buffer_size )
962 {
963 if( h->param.rc.i_rc_method == X264_RC_CQP )
964 {
965 x264_log( h, X264_LOG_WARNING, "VBV is incompatible with constant QP, ignored.\n" );
966 h->param.rc.i_vbv_max_bitrate = 0;
967 h->param.rc.i_vbv_buffer_size = 0;
968 }
969 else if( h->param.rc.i_vbv_max_bitrate == 0 )
970 {
971 if( h->param.rc.i_rc_method == X264_RC_ABR )
972 {
973 x264_log( h, X264_LOG_WARNING, "VBV maxrate unspecified, assuming CBR\n" );
974 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate;
975 }
976 else
977 {
978 x264_log( h, X264_LOG_WARNING, "VBV bufsize set but maxrate unspecified, ignored\n" );
979 h->param.rc.i_vbv_buffer_size = 0;
980 }
981 }
982 else if( h->param.rc.i_vbv_max_bitrate < h->param.rc.i_bitrate &&
983 h->param.rc.i_rc_method == X264_RC_ABR )
984 {
985 x264_log( h, X264_LOG_WARNING, "max bitrate less than average bitrate, assuming CBR\n" );
986 h->param.rc.i_bitrate = h->param.rc.i_vbv_max_bitrate;
987 }
988 }
989 else if( h->param.rc.i_vbv_max_bitrate )
990 {
991 x264_log( h, X264_LOG_WARNING, "VBV maxrate specified, but no bufsize, ignored\n" );
992 h->param.rc.i_vbv_max_bitrate = 0;
993 }
994
995 h->param.i_slice_max_size = X264_MAX( h->param.i_slice_max_size, 0 );
996 h->param.i_slice_max_mbs = X264_MAX( h->param.i_slice_max_mbs, 0 );
997 h->param.i_slice_min_mbs = X264_MAX( h->param.i_slice_min_mbs, 0 );
998 if( h->param.i_slice_max_mbs )
999 h->param.i_slice_min_mbs = X264_MIN( h->param.i_slice_min_mbs, h->param.i_slice_max_mbs/2 );
1000 else if( !h->param.i_slice_max_size )
1001 h->param.i_slice_min_mbs = 0;
1002 if( PARAM_INTERLACED && h->param.i_slice_min_mbs )
1003 {
1004 x264_log( h, X264_LOG_WARNING, "interlace + slice-min-mbs is not implemented\n" );
1005 h->param.i_slice_min_mbs = 0;
1006 }
1007 int mb_width = (h->param.i_width+15)/16;
1008 if( h->param.i_slice_min_mbs > mb_width )
1009 {
1010 x264_log( h, X264_LOG_WARNING, "slice-min-mbs > row mb size (%d) not implemented\n", mb_width );
1011 h->param.i_slice_min_mbs = mb_width;
1012 }
1013
1014 int max_slices = (h->param.i_height+((16<<PARAM_INTERLACED)-1))/(16<<PARAM_INTERLACED);
1015 if( h->param.b_sliced_threads )
1016 h->param.i_slice_count = x264_clip3( h->param.i_threads, 0, max_slices );
1017 else
1018 {
1019 h->param.i_slice_count = x264_clip3( h->param.i_slice_count, 0, max_slices );
1020 if( h->param.i_slice_max_mbs || h->param.i_slice_max_size )
1021 h->param.i_slice_count = 0;
1022 }
1023 if( h->param.i_slice_count_max > 0 )
1024 h->param.i_slice_count_max = X264_MAX( h->param.i_slice_count, h->param.i_slice_count_max );
1025
1026 if( h->param.b_bluray_compat )
1027 {
1028 h->param.i_bframe_pyramid = X264_MIN( X264_B_PYRAMID_STRICT, h->param.i_bframe_pyramid );
1029 h->param.i_bframe = X264_MIN( h->param.i_bframe, 3 );
1030 h->param.b_aud = 1;
1031 h->param.i_nal_hrd = X264_MAX( h->param.i_nal_hrd, X264_NAL_HRD_VBR );
1032 h->param.i_slice_max_size = 0;
1033 h->param.i_slice_max_mbs = 0;
1034 h->param.b_intra_refresh = 0;
1035 h->param.i_frame_reference = X264_MIN( h->param.i_frame_reference, 6 );
1036 h->param.i_dpb_size = X264_MIN( h->param.i_dpb_size, 6 );
1037 /* Don't use I-frames, because Blu-ray treats them the same as IDR. */
1038 h->param.i_keyint_min = 1;
1039 /* Due to the proliferation of broken players that don't handle dupes properly. */
1040 h->param.analyse.i_weighted_pred = X264_MIN( h->param.analyse.i_weighted_pred, X264_WEIGHTP_SIMPLE );
1041 if( h->param.b_fake_interlaced )
1042 h->param.b_pic_struct = 1;
1043 }
1044
1045 h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, X264_REF_MAX );
1046 h->param.i_dpb_size = x264_clip3( h->param.i_dpb_size, 1, X264_REF_MAX );
1047 if( h->param.i_scenecut_threshold < 0 )
1048 h->param.i_scenecut_threshold = 0;
1049 h->param.analyse.i_direct_mv_pred = x264_clip3( h->param.analyse.i_direct_mv_pred, X264_DIRECT_PRED_NONE, X264_DIRECT_PRED_AUTO );
1050 if( !h->param.analyse.i_subpel_refine && h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
1051 {
1052 x264_log( h, X264_LOG_WARNING, "subme=0 + direct=temporal is not supported\n" );
1053 h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
1054 }
1055 h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_MIN( X264_BFRAME_MAX, h->param.i_keyint_max-1 ) );
1056 h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
1057 if( h->param.i_bframe <= 1 )
1058 h->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
1059 h->param.i_bframe_pyramid = x264_clip3( h->param.i_bframe_pyramid, X264_B_PYRAMID_NONE, X264_B_PYRAMID_NORMAL );
1060 h->param.i_bframe_adaptive = x264_clip3( h->param.i_bframe_adaptive, X264_B_ADAPT_NONE, X264_B_ADAPT_TRELLIS );
1061 if( !h->param.i_bframe )
1062 {
1063 h->param.i_bframe_adaptive = X264_B_ADAPT_NONE;
1064 h->param.analyse.i_direct_mv_pred = 0;
1065 h->param.analyse.b_weighted_bipred = 0;
1066 h->param.b_open_gop = 0;
1067 }
1068 if( h->param.b_intra_refresh && h->param.i_bframe_pyramid == X264_B_PYRAMID_NORMAL )
1069 {
1070 x264_log( h, X264_LOG_WARNING, "b-pyramid normal + intra-refresh is not supported\n" );
1071 h->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
1072 }
1073 if( h->param.b_intra_refresh && (h->param.i_frame_reference > 1 || h->param.i_dpb_size > 1) )
1074 {
1075 x264_log( h, X264_LOG_WARNING, "ref > 1 + intra-refresh is not supported\n" );
1076 h->param.i_frame_reference = 1;
1077 h->param.i_dpb_size = 1;
1078 }
1079 if( h->param.b_intra_refresh && h->param.b_open_gop )
1080 {
1081 x264_log( h, X264_LOG_WARNING, "intra-refresh is not compatible with open-gop\n" );
1082 h->param.b_open_gop = 0;
1083 }
1084 if( !h->param.i_fps_num || !h->param.i_fps_den )
1085 {
1086 h->param.i_fps_num = 25;
1087 h->param.i_fps_den = 1;
1088 }
1089 float fps = (float)h->param.i_fps_num / h->param.i_fps_den;
1090 if( h->param.i_keyint_min == X264_KEYINT_MIN_AUTO )
1091 h->param.i_keyint_min = X264_MIN( h->param.i_keyint_max / 10, (int)fps );
1092 h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
1093 h->param.rc.i_lookahead = x264_clip3( h->param.rc.i_lookahead, 0, X264_LOOKAHEAD_MAX );
1094 {
1095 int maxrate = X264_MAX( h->param.rc.i_vbv_max_bitrate, h->param.rc.i_bitrate );
1096 float bufsize = maxrate ? (float)h->param.rc.i_vbv_buffer_size / maxrate : 0;
1097 h->param.rc.i_lookahead = X264_MIN( h->param.rc.i_lookahead, X264_MAX( h->param.i_keyint_max, bufsize*fps ) );
1098 }
1099
1100 if( !h->param.i_timebase_num || !h->param.i_timebase_den || !(h->param.b_vfr_input || h->param.b_pulldown) )
1101 {
1102 h->param.i_timebase_num = h->param.i_fps_den;
1103 h->param.i_timebase_den = h->param.i_fps_num;
1104 }
1105
1106 h->param.rc.f_qcompress = x264_clip3f( h->param.rc.f_qcompress, 0.0, 1.0 );
1107 if( h->param.i_keyint_max == 1 || h->param.rc.f_qcompress == 1 )
1108 h->param.rc.b_mb_tree = 0;
1109 if( (!h->param.b_intra_refresh && h->param.i_keyint_max != X264_KEYINT_MAX_INFINITE) &&
1110 !h->param.rc.i_lookahead && h->param.rc.b_mb_tree )
1111 {
1112 x264_log( h, X264_LOG_WARNING, "lookaheadless mb-tree requires intra refresh or infinite keyint\n" );
1113 h->param.rc.b_mb_tree = 0;
1114 }
1115 if( b_open && h->param.rc.b_stat_read )
1116 h->param.rc.i_lookahead = 0;
1117 #if HAVE_THREAD
1118 if( h->param.i_sync_lookahead < 0 )
1119 h->param.i_sync_lookahead = h->param.i_bframe + 1;
1120 h->param.i_sync_lookahead = X264_MIN( h->param.i_sync_lookahead, X264_LOOKAHEAD_MAX );
1121 if( h->param.rc.b_stat_read || h->i_thread_frames == 1 )
1122 h->param.i_sync_lookahead = 0;
1123 #else
1124 h->param.i_sync_lookahead = 0;
1125 #endif
1126
1127 h->param.i_deblocking_filter_alphac0 = x264_clip3( h->param.i_deblocking_filter_alphac0, -6, 6 );
1128 h->param.i_deblocking_filter_beta = x264_clip3( h->param.i_deblocking_filter_beta, -6, 6 );
1129 h->param.analyse.i_luma_deadzone[0] = x264_clip3( h->param.analyse.i_luma_deadzone[0], 0, 32 );
1130 h->param.analyse.i_luma_deadzone[1] = x264_clip3( h->param.analyse.i_luma_deadzone[1], 0, 32 );
1131
1132 h->param.i_cabac_init_idc = x264_clip3( h->param.i_cabac_init_idc, 0, 2 );
1133
1134 if( h->param.i_cqm_preset < X264_CQM_FLAT || h->param.i_cqm_preset > X264_CQM_CUSTOM )
1135 h->param.i_cqm_preset = X264_CQM_FLAT;
1136
1137 if( h->param.analyse.i_me_method < X264_ME_DIA ||
1138 h->param.analyse.i_me_method > X264_ME_TESA )
1139 h->param.analyse.i_me_method = X264_ME_HEX;
1140 h->param.analyse.i_me_range = x264_clip3( h->param.analyse.i_me_range, 4, 1024 );
1141 if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
1142 h->param.analyse.i_me_range = 16;
1143 if( h->param.analyse.i_me_method == X264_ME_TESA &&
1144 (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) )
1145 h->param.analyse.i_me_method = X264_ME_ESA;
1146 h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1;
1147 h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16|
1148 X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
1149 h->param.analyse.intra &= X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
1150 if( !(h->param.analyse.inter & X264_ANALYSE_PSUB16x16) )
1151 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
1152 if( !h->param.analyse.b_transform_8x8 )
1153 {
1154 h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
1155 h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
1156 }
1157 h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
1158 h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 3 );
1159 h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 );
1160 if( h->param.rc.f_aq_strength == 0 )
1161 h->param.rc.i_aq_mode = 0;
1162
1163 if( h->param.i_log_level < X264_LOG_INFO )
1164 {
1165 h->param.analyse.b_psnr = 0;
1166 h->param.analyse.b_ssim = 0;
1167 }
1168 /* Warn users trying to measure PSNR/SSIM with psy opts on. */
1169 if( b_open && (h->param.analyse.b_psnr || h->param.analyse.b_ssim) )
1170 {
1171 char *s = NULL;
1172
1173 if( h->param.analyse.b_psy )
1174 {
1175 s = h->param.analyse.b_psnr ? "psnr" : "ssim";
1176 x264_log( h, X264_LOG_WARNING, "--%s used with psy on: results will be invalid!\n", s );
1177 }
1178 else if( !h->param.rc.i_aq_mode && h->param.analyse.b_ssim )
1179 {
1180 x264_log( h, X264_LOG_WARNING, "--ssim used with AQ off: results will be invalid!\n" );
1181 s = "ssim";
1182 }
1183 else if( h->param.rc.i_aq_mode && h->param.analyse.b_psnr )
1184 {
1185 x264_log( h, X264_LOG_WARNING, "--psnr used with AQ on: results will be invalid!\n" );
1186 s = "psnr";
1187 }
1188 if( s )
1189 x264_log( h, X264_LOG_WARNING, "--tune %s should be used if attempting to benchmark %s!\n", s, s );
1190 }
1191
1192 if( !h->param.analyse.b_psy )
1193 {
1194 h->param.analyse.f_psy_rd = 0;
1195 h->param.analyse.f_psy_trellis = 0;
1196 }
1197 h->param.analyse.f_psy_rd = x264_clip3f( h->param.analyse.f_psy_rd, 0, 10 );
1198 h->param.analyse.f_psy_trellis = x264_clip3f( h->param.analyse.f_psy_trellis, 0, 10 );
1199 h->mb.i_psy_rd = h->param.analyse.i_subpel_refine >= 6 ? FIX8( h->param.analyse.f_psy_rd ) : 0;
1200 h->mb.i_psy_trellis = h->param.analyse.i_trellis ? FIX8( h->param.analyse.f_psy_trellis / 4 ) : 0;
1201 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -32, 32);
1202 /* In 4:4:4 mode, chroma gets twice as much resolution, so we can halve its quality. */
1203 if( b_open && i_csp >= X264_CSP_I444 && i_csp < X264_CSP_BGR && h->param.analyse.b_psy )
1204 h->param.analyse.i_chroma_qp_offset += 6;
1205 /* Psy RDO increases overall quantizers to improve the quality of luma--this indirectly hurts chroma quality */
1206 /* so we lower the chroma QP offset to compensate */
1207 if( b_open && h->mb.i_psy_rd && !h->param.i_avcintra_class )
1208 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_rd < 0.25 ? 1 : 2;
1209 /* Psy trellis has a similar effect. */
1210 if( b_open && h->mb.i_psy_trellis && !h->param.i_avcintra_class )
1211 h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_trellis < 0.25 ? 1 : 2;
1212 h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
1213 /* MB-tree requires AQ to be on, even if the strength is zero. */
1214 if( !h->param.rc.i_aq_mode && h->param.rc.b_mb_tree )
1215 {
1216 h->param.rc.i_aq_mode = 1;
1217 h->param.rc.f_aq_strength = 0;
1218 }
1219 h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 );
1220 if( h->param.analyse.i_subpel_refine >= 10 && (h->param.analyse.i_trellis != 2 || !h->param.rc.i_aq_mode) )
1221 h->param.analyse.i_subpel_refine = 9;
1222
1223 if( b_open )
1224 {
1225 const x264_level_t *l = x264_levels;
1226 if( h->param.i_level_idc < 0 )
1227 {
1228 int maxrate_bak = h->param.rc.i_vbv_max_bitrate;
1229 if( h->param.rc.i_rc_method == X264_RC_ABR && h->param.rc.i_vbv_buffer_size <= 0 )
1230 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate * 2;
1231 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1232 do h->param.i_level_idc = l->level_idc;
1233 while( l[1].level_idc && x264_validate_levels( h, 0 ) && l++ );
1234 h->param.rc.i_vbv_max_bitrate = maxrate_bak;
1235 }
1236 else
1237 {
1238 while( l->level_idc && l->level_idc != h->param.i_level_idc )
1239 l++;
1240 if( l->level_idc == 0 )
1241 {
1242 x264_log( h, X264_LOG_ERROR, "invalid level_idc: %d\n", h->param.i_level_idc );
1243 return -1;
1244 }
1245 }
1246 if( h->param.analyse.i_mv_range <= 0 )
1247 h->param.analyse.i_mv_range = l->mv_range >> PARAM_INTERLACED;
1248 else
1249 h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 8192 >> PARAM_INTERLACED);
1250 }
1251
1252 h->param.analyse.i_weighted_pred = x264_clip3( h->param.analyse.i_weighted_pred, X264_WEIGHTP_NONE, X264_WEIGHTP_SMART );
1253
1254 if( h->param.i_lookahead_threads == X264_THREADS_AUTO )
1255 {
1256 if( h->param.b_sliced_threads )
1257 h->param.i_lookahead_threads = h->param.i_threads;
1258 else
1259 {
1260 /* If we're using much slower lookahead settings than encoding settings, it helps a lot to use
1261 * more lookahead threads. This typically happens in the first pass of a two-pass encode, so
1262 * try to guess at this sort of case.
1263 *
1264 * Tuned by a little bit of real encoding with the various presets. */
1265 int badapt = h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS;
1266 int subme = X264_MIN( h->param.analyse.i_subpel_refine / 3, 3 ) + (h->param.analyse.i_subpel_refine > 1);
1267 int bframes = X264_MIN( (h->param.i_bframe - 1) / 3, 3 );
1268
1269 /* [b-adapt 0/1 vs 2][quantized subme][quantized bframes] */
1270 static const uint8_t lookahead_thread_div[2][5][4] =
1271 {{{6,6,6,6}, {3,3,3,3}, {4,4,4,4}, {6,6,6,6}, {12,12,12,12}},
1272 {{3,2,1,1}, {2,1,1,1}, {4,3,2,1}, {6,4,3,2}, {12, 9, 6, 4}}};
1273
1274 h->param.i_lookahead_threads = h->param.i_threads / lookahead_thread_div[badapt][subme][bframes];
1275 /* Since too many lookahead threads significantly degrades lookahead accuracy, limit auto
1276 * lookahead threads to about 8 macroblock rows high each at worst. This number is chosen
1277 * pretty much arbitrarily. */
1278 h->param.i_lookahead_threads = X264_MIN( h->param.i_lookahead_threads, h->param.i_height / 128 );
1279 }
1280 }
1281 h->param.i_lookahead_threads = x264_clip3( h->param.i_lookahead_threads, 1, X264_MIN( max_sliced_threads, X264_LOOKAHEAD_THREAD_MAX ) );
1282
1283 if( PARAM_INTERLACED )
1284 {
1285 if( h->param.analyse.i_me_method >= X264_ME_ESA )
1286 {
1287 x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
1288 h->param.analyse.i_me_method = X264_ME_UMH;
1289 }
1290 if( h->param.analyse.i_weighted_pred > 0 )
1291 {
1292 x264_log( h, X264_LOG_WARNING, "interlace + weightp is not implemented\n" );
1293 h->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
1294 }
1295 }
1296
1297 if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy )
1298 h->param.analyse.i_weighted_pred = X264_WEIGHTP_FAKE;
1299
1300 if( h->i_thread_frames > 1 )
1301 {
1302 int r = h->param.analyse.i_mv_range_thread;
1303 int r2;
1304 if( r <= 0 )
1305 {
1306 // half of the available space is reserved and divided evenly among the threads,
1307 // the rest is allocated to whichever thread is far enough ahead to use it.
1308 // reserving more space increases quality for some videos, but costs more time
1309 // in thread synchronization.
1310 int max_range = (h->param.i_height + X264_THREAD_HEIGHT) / h->i_thread_frames - X264_THREAD_HEIGHT;
1311 r = max_range / 2;
1312 }
1313 r = X264_MAX( r, h->param.analyse.i_me_range );
1314 r = X264_MIN( r, h->param.analyse.i_mv_range );
1315 // round up to use the whole mb row
1316 r2 = (r & ~15) + ((-X264_THREAD_HEIGHT) & 15);
1317 if( r2 < r )
1318 r2 += 16;
1319 x264_log( h, X264_LOG_DEBUG, "using mv_range_thread = %d\n", r2 );
1320 h->param.analyse.i_mv_range_thread = r2;
1321 }
1322
1323 if( h->param.rc.f_rate_tolerance < 0 )
1324 h->param.rc.f_rate_tolerance = 0;
1325 if( h->param.rc.f_qblur < 0 )
1326 h->param.rc.f_qblur = 0;
1327 if( h->param.rc.f_complexity_blur < 0 )
1328 h->param.rc.f_complexity_blur = 0;
1329
1330 h->param.i_sps_id &= 31;
1331
1332 h->param.i_nal_hrd = x264_clip3( h->param.i_nal_hrd, X264_NAL_HRD_NONE, X264_NAL_HRD_CBR );
1333
1334 if( h->param.i_nal_hrd && !h->param.rc.i_vbv_buffer_size )
1335 {
1336 x264_log( h, X264_LOG_WARNING, "NAL HRD parameters require VBV parameters\n" );
1337 h->param.i_nal_hrd = X264_NAL_HRD_NONE;
1338 }
1339
1340 if( h->param.i_nal_hrd == X264_NAL_HRD_CBR &&
1341 (h->param.rc.i_bitrate != h->param.rc.i_vbv_max_bitrate || !h->param.rc.i_vbv_max_bitrate) )
1342 {
1343 x264_log( h, X264_LOG_WARNING, "CBR HRD requires constant bitrate\n" );
1344 h->param.i_nal_hrd = X264_NAL_HRD_VBR;
1345 }
1346
1347 if( h->param.i_nal_hrd == X264_NAL_HRD_CBR )
1348 h->param.rc.b_filler = 1;
1349
1350 /* ensure the booleans are 0 or 1 so they can be used in math */
1351 #define BOOLIFY(x) h->param.x = !!h->param.x
1352 BOOLIFY( b_cabac );
1353 BOOLIFY( b_constrained_intra );
1354 BOOLIFY( b_deblocking_filter );
1355 BOOLIFY( b_deterministic );
1356 BOOLIFY( b_sliced_threads );
1357 BOOLIFY( b_interlaced );
1358 BOOLIFY( b_intra_refresh );
1359 BOOLIFY( b_aud );
1360 BOOLIFY( b_repeat_headers );
1361 BOOLIFY( b_annexb );
1362 BOOLIFY( b_vfr_input );
1363 BOOLIFY( b_pulldown );
1364 BOOLIFY( b_tff );
1365 BOOLIFY( b_pic_struct );
1366 BOOLIFY( b_fake_interlaced );
1367 BOOLIFY( b_open_gop );
1368 BOOLIFY( b_bluray_compat );
1369 BOOLIFY( b_stitchable );
1370 BOOLIFY( b_full_recon );
1371 BOOLIFY( b_opencl );
1372 BOOLIFY( analyse.b_transform_8x8 );
1373 BOOLIFY( analyse.b_weighted_bipred );
1374 BOOLIFY( analyse.b_chroma_me );
1375 BOOLIFY( analyse.b_mixed_references );
1376 BOOLIFY( analyse.b_fast_pskip );
1377 BOOLIFY( analyse.b_dct_decimate );
1378 BOOLIFY( analyse.b_psy );
1379 BOOLIFY( analyse.b_psnr );
1380 BOOLIFY( analyse.b_ssim );
1381 BOOLIFY( rc.b_stat_write );
1382 BOOLIFY( rc.b_stat_read );
1383 BOOLIFY( rc.b_mb_tree );
1384 BOOLIFY( rc.b_filler );
1385 #undef BOOLIFY
1386
1387 return 0;
1388 }
1389
mbcmp_init(x264_t * h)1390 static void mbcmp_init( x264_t *h )
1391 {
1392 int satd = !h->mb.b_lossless && h->param.analyse.i_subpel_refine > 1;
1393 memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad_aligned, sizeof(h->pixf.mbcmp) );
1394 memcpy( h->pixf.mbcmp_unaligned, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp_unaligned) );
1395 h->pixf.intra_mbcmp_x3_16x16 = satd ? h->pixf.intra_satd_x3_16x16 : h->pixf.intra_sad_x3_16x16;
1396 h->pixf.intra_mbcmp_x3_8x16c = satd ? h->pixf.intra_satd_x3_8x16c : h->pixf.intra_sad_x3_8x16c;
1397 h->pixf.intra_mbcmp_x3_8x8c = satd ? h->pixf.intra_satd_x3_8x8c : h->pixf.intra_sad_x3_8x8c;
1398 h->pixf.intra_mbcmp_x3_8x8 = satd ? h->pixf.intra_sa8d_x3_8x8 : h->pixf.intra_sad_x3_8x8;
1399 h->pixf.intra_mbcmp_x3_4x4 = satd ? h->pixf.intra_satd_x3_4x4 : h->pixf.intra_sad_x3_4x4;
1400 h->pixf.intra_mbcmp_x9_4x4 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
1401 : satd ? h->pixf.intra_satd_x9_4x4 : h->pixf.intra_sad_x9_4x4;
1402 h->pixf.intra_mbcmp_x9_8x8 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
1403 : satd ? h->pixf.intra_sa8d_x9_8x8 : h->pixf.intra_sad_x9_8x8;
1404 satd &= h->param.analyse.i_me_method == X264_ME_TESA;
1405 memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) );
1406 memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) );
1407 memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) );
1408 }
1409
chroma_dsp_init(x264_t * h)1410 static void chroma_dsp_init( x264_t *h )
1411 {
1412 memcpy( h->luma2chroma_pixel, x264_luma2chroma_pixel[CHROMA_FORMAT], sizeof(h->luma2chroma_pixel) );
1413
1414 switch( CHROMA_FORMAT )
1415 {
1416 case CHROMA_400:
1417 h->mc.prefetch_fenc = h->mc.prefetch_fenc_400;
1418 break;
1419 case CHROMA_420:
1420 memcpy( h->predict_chroma, h->predict_8x8c, sizeof(h->predict_chroma) );
1421 h->mc.prefetch_fenc = h->mc.prefetch_fenc_420;
1422 h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_420;
1423 h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_420_intra;
1424 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_420_mbaff;
1425 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_420_intra_mbaff;
1426 h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x8c;
1427 h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last4;
1428 h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run4;
1429 break;
1430 case CHROMA_422:
1431 memcpy( h->predict_chroma, h->predict_8x16c, sizeof(h->predict_chroma) );
1432 h->mc.prefetch_fenc = h->mc.prefetch_fenc_422;
1433 h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_422;
1434 h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_422_intra;
1435 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_422_mbaff;
1436 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_422_intra_mbaff;
1437 h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x16c;
1438 h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last8;
1439 h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run8;
1440 break;
1441 case CHROMA_444:
1442 h->mc.prefetch_fenc = h->mc.prefetch_fenc_422; /* FIXME: doesn't cover V plane */
1443 h->loopf.deblock_chroma_mbaff = h->loopf.deblock_luma_mbaff;
1444 h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_luma_intra_mbaff;
1445 break;
1446 }
1447 }
1448
set_aspect_ratio(x264_t * h,x264_param_t * param,int initial)1449 static void set_aspect_ratio( x264_t *h, x264_param_t *param, int initial )
1450 {
1451 /* VUI */
1452 if( param->vui.i_sar_width > 0 && param->vui.i_sar_height > 0 )
1453 {
1454 uint32_t i_w = param->vui.i_sar_width;
1455 uint32_t i_h = param->vui.i_sar_height;
1456 uint32_t old_w = h->param.vui.i_sar_width;
1457 uint32_t old_h = h->param.vui.i_sar_height;
1458
1459 x264_reduce_fraction( &i_w, &i_h );
1460
1461 while( i_w > 65535 || i_h > 65535 )
1462 {
1463 i_w /= 2;
1464 i_h /= 2;
1465 }
1466
1467 x264_reduce_fraction( &i_w, &i_h );
1468
1469 if( i_w != old_w || i_h != old_h || initial )
1470 {
1471 h->param.vui.i_sar_width = 0;
1472 h->param.vui.i_sar_height = 0;
1473 if( i_w == 0 || i_h == 0 )
1474 x264_log( h, X264_LOG_WARNING, "cannot create valid sample aspect ratio\n" );
1475 else
1476 {
1477 x264_log( h, initial?X264_LOG_INFO:X264_LOG_DEBUG, "using SAR=%d/%d\n", i_w, i_h );
1478 h->param.vui.i_sar_width = i_w;
1479 h->param.vui.i_sar_height = i_h;
1480 }
1481 }
1482 }
1483 }
1484
1485 /****************************************************************************
1486 * x264_encoder_open:
1487 ****************************************************************************/
x264_encoder_open(x264_param_t * param,void * api)1488 x264_t *x264_encoder_open( x264_param_t *param, void *api )
1489 {
1490 x264_t *h;
1491 char buf[1000], *p;
1492 int i_slicetype_length;
1493
1494 CHECKED_MALLOCZERO( h, sizeof(x264_t) );
1495
1496 /* Create a copy of param */
1497 memcpy( &h->param, param, sizeof(x264_param_t) );
1498 h->param.opaque = NULL;
1499 h->param.param_free = NULL;
1500
1501 if( h->param.psz_cqm_file )
1502 CHECKED_PARAM_STRDUP( h->param.psz_cqm_file, &h->param, h->param.psz_cqm_file );
1503 if( h->param.psz_dump_yuv )
1504 CHECKED_PARAM_STRDUP( h->param.psz_dump_yuv, &h->param, h->param.psz_dump_yuv );
1505 if( h->param.rc.psz_stat_out )
1506 CHECKED_PARAM_STRDUP( h->param.rc.psz_stat_out, &h->param, h->param.rc.psz_stat_out );
1507 if( h->param.rc.psz_stat_in )
1508 CHECKED_PARAM_STRDUP( h->param.rc.psz_stat_in, &h->param, h->param.rc.psz_stat_in );
1509 if( h->param.rc.psz_zones )
1510 CHECKED_PARAM_STRDUP( h->param.rc.psz_zones, &h->param, h->param.rc.psz_zones );
1511 if( h->param.psz_clbin_file )
1512 CHECKED_PARAM_STRDUP( h->param.psz_clbin_file, &h->param, h->param.psz_clbin_file );
1513
1514 if( param->param_free )
1515 {
1516 x264_param_cleanup( param );
1517 param->param_free( param );
1518 }
1519
1520 /* Save pointer to bit depth independent interface */
1521 h->api = api;
1522
1523 #if HAVE_INTEL_DISPATCHER
1524 x264_intel_dispatcher_override();
1525 #endif
1526
1527 if( x264_threading_init() )
1528 {
1529 x264_log( h, X264_LOG_ERROR, "unable to initialize threading\n" );
1530 goto fail;
1531 }
1532
1533 if( validate_parameters( h, 1 ) < 0 )
1534 goto fail;
1535
1536 if( h->param.psz_cqm_file )
1537 if( x264_cqm_parse_file( h, h->param.psz_cqm_file ) < 0 )
1538 goto fail;
1539
1540 x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
1541 x264_reduce_fraction( &h->param.i_timebase_num, &h->param.i_timebase_den );
1542
1543 /* Init x264_t */
1544 h->i_frame = -1;
1545 h->i_frame_num = 0;
1546
1547 if( h->param.i_avcintra_class )
1548 h->i_idr_pic_id = 5;
1549 else
1550 h->i_idr_pic_id = 0;
1551
1552 if( (uint64_t)h->param.i_timebase_den * 2 > UINT32_MAX )
1553 {
1554 x264_log( h, X264_LOG_ERROR, "Effective timebase denominator %u exceeds H.264 maximum\n", h->param.i_timebase_den );
1555 goto fail;
1556 }
1557
1558 set_aspect_ratio( h, &h->param, 1 );
1559
1560 x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
1561 x264_sps_init_scaling_list( h->sps, &h->param );
1562 x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps );
1563
1564 x264_validate_levels( h, 1 );
1565
1566 h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset;
1567
1568 if( x264_cqm_init( h ) < 0 )
1569 goto fail;
1570
1571 h->mb.i_mb_width = h->sps->i_mb_width;
1572 h->mb.i_mb_height = h->sps->i_mb_height;
1573 h->mb.i_mb_count = h->mb.i_mb_width * h->mb.i_mb_height;
1574
1575 h->mb.chroma_h_shift = CHROMA_FORMAT == CHROMA_420 || CHROMA_FORMAT == CHROMA_422;
1576 h->mb.chroma_v_shift = CHROMA_FORMAT == CHROMA_420;
1577
1578 /* Adaptive MBAFF and subme 0 are not supported as we require halving motion
1579 * vectors during prediction, resulting in hpel mvs.
1580 * The chosen solution is to make MBAFF non-adaptive in this case. */
1581 h->mb.b_adaptive_mbaff = PARAM_INTERLACED && h->param.analyse.i_subpel_refine;
1582
1583 /* Init frames. */
1584 if( h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS && !h->param.rc.b_stat_read )
1585 h->frames.i_delay = X264_MAX(h->param.i_bframe,3)*4;
1586 else
1587 h->frames.i_delay = h->param.i_bframe;
1588 if( h->param.rc.b_mb_tree || h->param.rc.i_vbv_buffer_size )
1589 h->frames.i_delay = X264_MAX( h->frames.i_delay, h->param.rc.i_lookahead );
1590 i_slicetype_length = h->frames.i_delay;
1591 h->frames.i_delay += h->i_thread_frames - 1;
1592 h->frames.i_delay += h->param.i_sync_lookahead;
1593 h->frames.i_delay += h->param.b_vfr_input;
1594 h->frames.i_bframe_delay = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 2 : 1) : 0;
1595
1596 h->frames.i_max_ref0 = h->param.i_frame_reference;
1597 h->frames.i_max_ref1 = X264_MIN( h->sps->vui.i_num_reorder_frames, h->param.i_frame_reference );
1598 h->frames.i_max_dpb = h->sps->vui.i_max_dec_frame_buffering;
1599 h->frames.b_have_lowres = !h->param.rc.b_stat_read
1600 && ( h->param.rc.i_rc_method == X264_RC_ABR
1601 || h->param.rc.i_rc_method == X264_RC_CRF
1602 || h->param.i_bframe_adaptive
1603 || h->param.i_scenecut_threshold
1604 || h->param.rc.b_mb_tree
1605 || h->param.analyse.i_weighted_pred );
1606 h->frames.b_have_lowres |= h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0;
1607 h->frames.b_have_sub8x8_esa = !!(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
1608
1609 h->frames.i_last_idr =
1610 h->frames.i_last_keyframe = - h->param.i_keyint_max;
1611 h->frames.i_input = 0;
1612 h->frames.i_largest_pts = h->frames.i_second_largest_pts = -1;
1613 h->frames.i_poc_last_open_gop = -1;
1614
1615 CHECKED_MALLOCZERO( h->cost_table, sizeof(*h->cost_table) );
1616 CHECKED_MALLOCZERO( h->frames.unused[0], (h->frames.i_delay + 3) * sizeof(x264_frame_t *) );
1617 /* Allocate room for max refs plus a few extra just in case. */
1618 CHECKED_MALLOCZERO( h->frames.unused[1], (h->i_thread_frames + X264_REF_MAX + 4) * sizeof(x264_frame_t *) );
1619 CHECKED_MALLOCZERO( h->frames.current, (h->param.i_sync_lookahead + h->param.i_bframe
1620 + h->i_thread_frames + 3) * sizeof(x264_frame_t *) );
1621 if( h->param.analyse.i_weighted_pred > 0 )
1622 CHECKED_MALLOCZERO( h->frames.blank_unused, h->i_thread_frames * 4 * sizeof(x264_frame_t *) );
1623 h->i_ref[0] = h->i_ref[1] = 0;
1624 h->i_cpb_delay = h->i_coded_fields = h->i_disp_fields = 0;
1625 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);
1626 h->i_disp_fields_last_frame = -1;
1627 x264_rdo_init();
1628
1629 /* init CPU functions */
1630 #if (ARCH_X86 || ARCH_X86_64) && HIGH_BIT_DEPTH
1631 /* FIXME: Only 8-bit has been optimized for AVX-512 so far. The few AVX-512 functions
1632 * enabled in high bit-depth are insignificant and just causes potential issues with
1633 * unnecessary thermal throttling and whatnot, so keep it disabled for now. */
1634 h->param.cpu &= ~X264_CPU_AVX512;
1635 #endif
1636 x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
1637 x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
1638 x264_predict_8x16c_init( h->param.cpu, h->predict_8x16c );
1639 x264_predict_8x8_init( h->param.cpu, h->predict_8x8, &h->predict_8x8_filter );
1640 x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
1641 x264_pixel_init( h->param.cpu, &h->pixf );
1642 x264_dct_init( h->param.cpu, &h->dctf );
1643 x264_zigzag_init( h->param.cpu, &h->zigzagf_progressive, &h->zigzagf_interlaced );
1644 memcpy( &h->zigzagf, PARAM_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
1645 x264_mc_init( h->param.cpu, &h->mc, h->param.b_cpu_independent );
1646 x264_quant_init( h, h->param.cpu, &h->quantf );
1647 x264_deblock_init( h->param.cpu, &h->loopf, PARAM_INTERLACED );
1648 x264_bitstream_init( h->param.cpu, &h->bsf );
1649 if( h->param.b_cabac )
1650 x264_cabac_init( h );
1651 else
1652 x264_cavlc_init( h );
1653
1654 mbcmp_init( h );
1655 chroma_dsp_init( h );
1656
1657 p = buf + sprintf( buf, "using cpu capabilities:" );
1658 for( int i = 0; x264_cpu_names[i].flags; i++ )
1659 {
1660 if( !strcmp(x264_cpu_names[i].name, "SSE")
1661 && h->param.cpu & (X264_CPU_SSE2) )
1662 continue;
1663 if( !strcmp(x264_cpu_names[i].name, "SSE2")
1664 && h->param.cpu & (X264_CPU_SSE2_IS_FAST|X264_CPU_SSE2_IS_SLOW) )
1665 continue;
1666 if( !strcmp(x264_cpu_names[i].name, "SSE3")
1667 && (h->param.cpu & X264_CPU_SSSE3 || !(h->param.cpu & X264_CPU_CACHELINE_64)) )
1668 continue;
1669 if( !strcmp(x264_cpu_names[i].name, "SSE4.1")
1670 && (h->param.cpu & X264_CPU_SSE42) )
1671 continue;
1672 if( !strcmp(x264_cpu_names[i].name, "LZCNT")
1673 && (h->param.cpu & X264_CPU_BMI1) )
1674 continue;
1675 if( !strcmp(x264_cpu_names[i].name, "BMI1")
1676 && (h->param.cpu & X264_CPU_BMI2) )
1677 continue;
1678 if( !strcmp(x264_cpu_names[i].name, "FMA4")
1679 && (h->param.cpu & X264_CPU_FMA3) )
1680 continue;
1681 if( (h->param.cpu & x264_cpu_names[i].flags) == x264_cpu_names[i].flags
1682 && (!i || x264_cpu_names[i].flags != x264_cpu_names[i-1].flags) )
1683 p += sprintf( p, " %s", x264_cpu_names[i].name );
1684 }
1685 if( !h->param.cpu )
1686 p += sprintf( p, " none!" );
1687 x264_log( h, X264_LOG_INFO, "%s\n", buf );
1688
1689 if( x264_analyse_init_costs( h ) )
1690 goto fail;
1691
1692 /* Must be volatile or else GCC will optimize it out. */
1693 volatile int temp = 392;
1694 if( x264_clz( temp ) != 23 )
1695 {
1696 x264_log( h, X264_LOG_ERROR, "CLZ test failed: x264 has been miscompiled!\n" );
1697 #if ARCH_X86 || ARCH_X86_64
1698 x264_log( h, X264_LOG_ERROR, "Are you attempting to run an SSE4a/LZCNT-targeted build on a CPU that\n" );
1699 x264_log( h, X264_LOG_ERROR, "doesn't support it?\n" );
1700 #endif
1701 goto fail;
1702 }
1703
1704 h->out.i_nal = 0;
1705 h->out.i_bitstream = x264_clip3f(
1706 h->param.i_width * h->param.i_height * 4
1707 * ( h->param.rc.i_rc_method == X264_RC_ABR
1708 ? pow( 0.95, h->param.rc.i_qp_min )
1709 : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor ) ),
1710 1000000, INT_MAX/3
1711 );
1712
1713 h->nal_buffer_size = h->out.i_bitstream * 3/2 + 4 + 64; /* +4 for startcode, +64 for nal_escape assembly padding */
1714 CHECKED_MALLOC( h->nal_buffer, h->nal_buffer_size );
1715
1716 CHECKED_MALLOC( h->reconfig_h, sizeof(x264_t) );
1717
1718 if( h->param.i_threads > 1 &&
1719 x264_threadpool_init( &h->threadpool, h->param.i_threads, (void*)encoder_thread_init, h ) )
1720 goto fail;
1721 if( h->param.i_lookahead_threads > 1 &&
1722 x264_threadpool_init( &h->lookaheadpool, h->param.i_lookahead_threads, NULL, NULL ) )
1723 goto fail;
1724
1725 #if HAVE_OPENCL
1726 if( h->param.b_opencl )
1727 {
1728 h->opencl.ocl = x264_opencl_load_library();
1729 if( !h->opencl.ocl )
1730 {
1731 x264_log( h, X264_LOG_WARNING, "failed to load OpenCL\n" );
1732 h->param.b_opencl = 0;
1733 }
1734 }
1735 #endif
1736
1737 h->thread[0] = h;
1738 for( int i = 1; i < h->param.i_threads + !!h->param.i_sync_lookahead; i++ )
1739 CHECKED_MALLOC( h->thread[i], sizeof(x264_t) );
1740 if( h->param.i_lookahead_threads > 1 )
1741 for( int i = 0; i < h->param.i_lookahead_threads; i++ )
1742 {
1743 CHECKED_MALLOC( h->lookahead_thread[i], sizeof(x264_t) );
1744 *h->lookahead_thread[i] = *h;
1745 }
1746 *h->reconfig_h = *h;
1747
1748 for( int i = 0; i < h->param.i_threads; i++ )
1749 {
1750 int init_nal_count = h->param.i_slice_count + 3;
1751 int allocate_threadlocal_data = !h->param.b_sliced_threads || !i;
1752 if( i > 0 )
1753 *h->thread[i] = *h;
1754
1755 if( x264_pthread_mutex_init( &h->thread[i]->mutex, NULL ) )
1756 goto fail;
1757 if( x264_pthread_cond_init( &h->thread[i]->cv, NULL ) )
1758 goto fail;
1759
1760 if( allocate_threadlocal_data )
1761 {
1762 h->thread[i]->fdec = x264_frame_pop_unused( h, 1 );
1763 if( !h->thread[i]->fdec )
1764 goto fail;
1765 }
1766 else
1767 h->thread[i]->fdec = h->thread[0]->fdec;
1768
1769 CHECKED_MALLOC( h->thread[i]->out.p_bitstream, h->out.i_bitstream );
1770 /* Start each thread with room for init_nal_count NAL units; it'll realloc later if needed. */
1771 CHECKED_MALLOC( h->thread[i]->out.nal, init_nal_count*sizeof(x264_nal_t) );
1772 h->thread[i]->out.i_nals_allocated = init_nal_count;
1773
1774 if( allocate_threadlocal_data && x264_macroblock_cache_allocate( h->thread[i] ) < 0 )
1775 goto fail;
1776 }
1777
1778 #if HAVE_OPENCL
1779 if( h->param.b_opencl && x264_opencl_lookahead_init( h ) < 0 )
1780 h->param.b_opencl = 0;
1781 #endif
1782
1783 if( x264_lookahead_init( h, i_slicetype_length ) )
1784 goto fail;
1785
1786 for( int i = 0; i < h->param.i_threads; i++ )
1787 if( x264_macroblock_thread_allocate( h->thread[i], 0 ) < 0 )
1788 goto fail;
1789
1790 if( x264_ratecontrol_new( h ) < 0 )
1791 goto fail;
1792
1793 if( h->param.i_nal_hrd )
1794 {
1795 x264_log( h, X264_LOG_DEBUG, "HRD bitrate: %i bits/sec\n", h->sps->vui.hrd.i_bit_rate_unscaled );
1796 x264_log( h, X264_LOG_DEBUG, "CPB size: %i bits\n", h->sps->vui.hrd.i_cpb_size_unscaled );
1797 }
1798
1799 if( h->param.psz_dump_yuv )
1800 {
1801 /* create or truncate the reconstructed video file */
1802 FILE *f = x264_fopen( h->param.psz_dump_yuv, "w" );
1803 if( !f )
1804 {
1805 x264_log( h, X264_LOG_ERROR, "dump_yuv: can't write to %s\n", h->param.psz_dump_yuv );
1806 goto fail;
1807 }
1808 else if( !x264_is_regular_file( f ) )
1809 {
1810 x264_log( h, X264_LOG_ERROR, "dump_yuv: incompatible with non-regular file %s\n", h->param.psz_dump_yuv );
1811 fclose( f );
1812 goto fail;
1813 }
1814 fclose( f );
1815 }
1816
1817 const char *profile = h->sps->i_profile_idc == PROFILE_BASELINE ? "Constrained Baseline" :
1818 h->sps->i_profile_idc == PROFILE_MAIN ? "Main" :
1819 h->sps->i_profile_idc == PROFILE_HIGH ? "High" :
1820 h->sps->i_profile_idc == PROFILE_HIGH10 ?
1821 (h->sps->b_constraint_set3 ? "High 10 Intra" : "High 10") :
1822 h->sps->i_profile_idc == PROFILE_HIGH422 ?
1823 (h->sps->b_constraint_set3 ? "High 4:2:2 Intra" : "High 4:2:2") :
1824 h->sps->b_constraint_set3 ? "High 4:4:4 Intra" : "High 4:4:4 Predictive";
1825 char level[16];
1826 if( h->sps->i_level_idc == 9 || ( h->sps->i_level_idc == 11 && h->sps->b_constraint_set3 &&
1827 (h->sps->i_profile_idc == PROFILE_BASELINE || h->sps->i_profile_idc == PROFILE_MAIN) ) )
1828 strcpy( level, "1b" );
1829 else
1830 snprintf( level, sizeof(level), "%d.%d", h->sps->i_level_idc / 10, h->sps->i_level_idc % 10 );
1831
1832 static const char * const subsampling[4] = { "4:0:0", "4:2:0", "4:2:2", "4:4:4" };
1833 x264_log( h, X264_LOG_INFO, "profile %s, level %s, %s, %d-bit\n",
1834 profile, level, subsampling[CHROMA_FORMAT], BIT_DEPTH );
1835
1836 return h;
1837 fail:
1838 x264_free( h );
1839 return NULL;
1840 }
1841
1842 /****************************************************************************/
encoder_try_reconfig(x264_t * h,x264_param_t * param,int * rc_reconfig)1843 static int encoder_try_reconfig( x264_t *h, x264_param_t *param, int *rc_reconfig )
1844 {
1845 *rc_reconfig = 0;
1846 set_aspect_ratio( h, param, 0 );
1847 #define COPY(var) h->param.var = param->var
1848 COPY( i_frame_reference ); // but never uses more refs than initially specified
1849 COPY( i_bframe_bias );
1850 if( h->param.i_scenecut_threshold )
1851 COPY( i_scenecut_threshold ); // can't turn it on or off, only vary the threshold
1852 COPY( b_deblocking_filter );
1853 COPY( i_deblocking_filter_alphac0 );
1854 COPY( i_deblocking_filter_beta );
1855 COPY( i_frame_packing );
1856 COPY( mastering_display );
1857 COPY( content_light_level );
1858 COPY( i_alternative_transfer );
1859 COPY( analyse.inter );
1860 COPY( analyse.intra );
1861 COPY( analyse.i_direct_mv_pred );
1862 /* Scratch buffer prevents me_range from being increased for esa/tesa */
1863 if( h->param.analyse.i_me_method < X264_ME_ESA || param->analyse.i_me_range < h->param.analyse.i_me_range )
1864 COPY( analyse.i_me_range );
1865 COPY( analyse.i_noise_reduction );
1866 /* We can't switch out of subme=0 during encoding. */
1867 if( h->param.analyse.i_subpel_refine )
1868 COPY( analyse.i_subpel_refine );
1869 COPY( analyse.i_trellis );
1870 COPY( analyse.b_chroma_me );
1871 COPY( analyse.b_dct_decimate );
1872 COPY( analyse.b_fast_pskip );
1873 COPY( analyse.b_mixed_references );
1874 COPY( analyse.f_psy_rd );
1875 COPY( analyse.f_psy_trellis );
1876 COPY( crop_rect );
1877 // can only twiddle these if they were enabled to begin with:
1878 if( h->param.analyse.i_me_method >= X264_ME_ESA || param->analyse.i_me_method < X264_ME_ESA )
1879 COPY( analyse.i_me_method );
1880 if( h->param.analyse.i_me_method >= X264_ME_ESA && !h->frames.b_have_sub8x8_esa )
1881 h->param.analyse.inter &= ~X264_ANALYSE_PSUB8x8;
1882 if( h->pps->b_transform_8x8_mode )
1883 COPY( analyse.b_transform_8x8 );
1884 if( h->frames.i_max_ref1 > 1 )
1885 COPY( i_bframe_pyramid );
1886 COPY( i_slice_max_size );
1887 COPY( i_slice_max_mbs );
1888 COPY( i_slice_min_mbs );
1889 COPY( i_slice_count );
1890 COPY( i_slice_count_max );
1891 COPY( b_tff );
1892
1893 /* VBV can't be turned on if it wasn't on to begin with */
1894 if( h->param.rc.i_vbv_max_bitrate > 0 && h->param.rc.i_vbv_buffer_size > 0 &&
1895 param->rc.i_vbv_max_bitrate > 0 && param->rc.i_vbv_buffer_size > 0 )
1896 {
1897 *rc_reconfig |= h->param.rc.i_vbv_max_bitrate != param->rc.i_vbv_max_bitrate;
1898 *rc_reconfig |= h->param.rc.i_vbv_buffer_size != param->rc.i_vbv_buffer_size;
1899 *rc_reconfig |= h->param.rc.i_bitrate != param->rc.i_bitrate;
1900 COPY( rc.i_vbv_max_bitrate );
1901 COPY( rc.i_vbv_buffer_size );
1902 COPY( rc.i_bitrate );
1903 }
1904 *rc_reconfig |= h->param.rc.f_rf_constant != param->rc.f_rf_constant;
1905 *rc_reconfig |= h->param.rc.f_rf_constant_max != param->rc.f_rf_constant_max;
1906 COPY( rc.f_rf_constant );
1907 COPY( rc.f_rf_constant_max );
1908 #undef COPY
1909
1910 return validate_parameters( h, 0 );
1911 }
1912
x264_encoder_reconfig_apply(x264_t * h,x264_param_t * param)1913 int x264_encoder_reconfig_apply( x264_t *h, x264_param_t *param )
1914 {
1915 int rc_reconfig;
1916 int ret = encoder_try_reconfig( h, param, &rc_reconfig );
1917
1918 mbcmp_init( h );
1919 if( !ret )
1920 x264_sps_init_reconfigurable( h->sps, &h->param );
1921
1922 /* Supported reconfiguration options (1-pass only):
1923 * vbv-maxrate
1924 * vbv-bufsize
1925 * crf
1926 * bitrate (CBR only) */
1927 if( !ret && rc_reconfig )
1928 x264_ratecontrol_init_reconfigurable( h, 0 );
1929
1930 return ret;
1931 }
1932
1933 /****************************************************************************
1934 * x264_encoder_reconfig:
1935 ****************************************************************************/
x264_encoder_reconfig(x264_t * h,x264_param_t * param)1936 int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
1937 {
1938 h = h->thread[h->thread[0]->i_thread_phase];
1939 x264_param_t param_save = h->reconfig_h->param;
1940 h->reconfig_h->param = h->param;
1941
1942 int rc_reconfig;
1943 int ret = encoder_try_reconfig( h->reconfig_h, param, &rc_reconfig );
1944 if( !ret )
1945 h->reconfig = 1;
1946 else
1947 h->reconfig_h->param = param_save;
1948
1949 return ret;
1950 }
1951
1952 /****************************************************************************
1953 * x264_encoder_parameters:
1954 ****************************************************************************/
x264_encoder_parameters(x264_t * h,x264_param_t * param)1955 void x264_encoder_parameters( x264_t *h, x264_param_t *param )
1956 {
1957 memcpy( param, &h->thread[h->i_thread_phase]->param, sizeof(x264_param_t) );
1958 param->opaque = NULL;
1959 }
1960
1961 /* internal usage */
nal_start(x264_t * h,int i_type,int i_ref_idc)1962 static void nal_start( x264_t *h, int i_type, int i_ref_idc )
1963 {
1964 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1965
1966 nal->i_ref_idc = i_ref_idc;
1967 nal->i_type = i_type;
1968 nal->b_long_startcode = 1;
1969
1970 nal->i_payload= 0;
1971 nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1972 nal->i_padding= 0;
1973 }
1974
1975 /* if number of allocated nals is not enough, re-allocate a larger one. */
nal_check_buffer(x264_t * h)1976 static int nal_check_buffer( x264_t *h )
1977 {
1978 if( h->out.i_nal >= h->out.i_nals_allocated )
1979 {
1980 x264_nal_t *new_out = x264_malloc( sizeof(x264_nal_t) * (h->out.i_nals_allocated*2) );
1981 if( !new_out )
1982 return -1;
1983 memcpy( new_out, h->out.nal, sizeof(x264_nal_t) * (h->out.i_nals_allocated) );
1984 x264_free( h->out.nal );
1985 h->out.nal = new_out;
1986 h->out.i_nals_allocated *= 2;
1987 }
1988 return 0;
1989 }
1990
nal_end(x264_t * h)1991 static int nal_end( x264_t *h )
1992 {
1993 x264_nal_t *nal = &h->out.nal[h->out.i_nal];
1994 uint8_t *end = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
1995 nal->i_payload = end - nal->p_payload;
1996 /* Assembly implementation of nal_escape reads past the end of the input.
1997 * While undefined padding wouldn't actually affect the output, it makes valgrind unhappy. */
1998 memset( end, 0xff, 64 );
1999 if( h->param.nalu_process )
2000 h->param.nalu_process( (x264_t *)h->api, nal, h->fenc->opaque );
2001 h->out.i_nal++;
2002
2003 return nal_check_buffer( h );
2004 }
2005
check_encapsulated_buffer(x264_t * h,x264_t * h0,int start,int64_t previous_nal_size,int64_t necessary_size)2006 static int check_encapsulated_buffer( x264_t *h, x264_t *h0, int start,
2007 int64_t previous_nal_size, int64_t necessary_size )
2008 {
2009 if( h0->nal_buffer_size < necessary_size )
2010 {
2011 necessary_size *= 2;
2012 if( necessary_size > INT_MAX )
2013 return -1;
2014 uint8_t *buf = x264_malloc( necessary_size );
2015 if( !buf )
2016 return -1;
2017 if( previous_nal_size )
2018 memcpy( buf, h0->nal_buffer, previous_nal_size );
2019
2020 intptr_t delta = buf - h0->nal_buffer;
2021 for( int i = 0; i < start; i++ )
2022 h->out.nal[i].p_payload += delta;
2023
2024 x264_free( h0->nal_buffer );
2025 h0->nal_buffer = buf;
2026 h0->nal_buffer_size = necessary_size;
2027 }
2028
2029 return 0;
2030 }
2031
encoder_encapsulate_nals(x264_t * h,int start)2032 static int encoder_encapsulate_nals( x264_t *h, int start )
2033 {
2034 x264_t *h0 = h->thread[0];
2035 int64_t nal_size = 0, previous_nal_size = 0;
2036
2037 if( h->param.nalu_process )
2038 {
2039 for( int i = start; i < h->out.i_nal; i++ )
2040 nal_size += h->out.nal[i].i_payload;
2041 if( nal_size > INT_MAX )
2042 return -1;
2043 return nal_size;
2044 }
2045
2046 for( int i = 0; i < start; i++ )
2047 previous_nal_size += h->out.nal[i].i_payload;
2048
2049 for( int i = start; i < h->out.i_nal; i++ )
2050 nal_size += h->out.nal[i].i_payload;
2051
2052 /* Worst-case NAL unit escaping: reallocate the buffer if it's too small. */
2053 int64_t necessary_size = previous_nal_size + nal_size * 3/2 + h->out.i_nal * 4 + 4 + 64;
2054 for( int i = start; i < h->out.i_nal; i++ )
2055 necessary_size += h->out.nal[i].i_padding;
2056 if( check_encapsulated_buffer( h, h0, start, previous_nal_size, necessary_size ) )
2057 return -1;
2058
2059 uint8_t *nal_buffer = h0->nal_buffer + previous_nal_size;
2060
2061 for( int i = start; i < h->out.i_nal; i++ )
2062 {
2063 h->out.nal[i].b_long_startcode = !i || h->out.nal[i].i_type == NAL_SPS || h->out.nal[i].i_type == NAL_PPS ||
2064 h->param.i_avcintra_class;
2065 x264_nal_encode( h, nal_buffer, &h->out.nal[i] );
2066 nal_buffer += h->out.nal[i].i_payload;
2067 }
2068
2069 x264_emms();
2070
2071 return nal_buffer - (h0->nal_buffer + previous_nal_size);
2072 }
2073
2074 /****************************************************************************
2075 * x264_encoder_headers:
2076 ****************************************************************************/
x264_encoder_headers(x264_t * h,x264_nal_t ** pp_nal,int * pi_nal)2077 int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
2078 {
2079 int frame_size = 0;
2080 /* init bitstream context */
2081 h->out.i_nal = 0;
2082 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
2083
2084 /* Write SEI, SPS and PPS. */
2085
2086 /* generate sequence parameters */
2087 nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
2088 x264_sps_write( &h->out.bs, h->sps );
2089 if( nal_end( h ) )
2090 return -1;
2091
2092 /* generate picture parameters */
2093 nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
2094 x264_pps_write( &h->out.bs, h->sps, h->pps );
2095 if( nal_end( h ) )
2096 return -1;
2097
2098 /* identify ourselves */
2099 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
2100 if( x264_sei_version_write( h, &h->out.bs ) )
2101 return -1;
2102 if( nal_end( h ) )
2103 return -1;
2104
2105 frame_size = encoder_encapsulate_nals( h, 0 );
2106 if( frame_size < 0 )
2107 return -1;
2108
2109 /* now set output*/
2110 *pi_nal = h->out.i_nal;
2111 *pp_nal = &h->out.nal[0];
2112 h->out.i_nal = 0;
2113
2114 return frame_size;
2115 }
2116
2117 /* Check to see whether we have chosen a reference list ordering different
2118 * from the standard's default. */
reference_check_reorder(x264_t * h)2119 static inline void reference_check_reorder( x264_t *h )
2120 {
2121 /* The reorder check doesn't check for missing frames, so just
2122 * force a reorder if one of the reference list is corrupt. */
2123 for( int i = 0; h->frames.reference[i]; i++ )
2124 if( h->frames.reference[i]->b_corrupt )
2125 {
2126 h->b_ref_reorder[0] = 1;
2127 return;
2128 }
2129 for( int list = 0; list <= (h->sh.i_type == SLICE_TYPE_B); list++ )
2130 for( int i = 0; i < h->i_ref[list] - 1; i++ )
2131 {
2132 int framenum_diff = h->fref[list][i+1]->i_frame_num - h->fref[list][i]->i_frame_num;
2133 int poc_diff = h->fref[list][i+1]->i_poc - h->fref[list][i]->i_poc;
2134 /* P and B-frames use different default orders. */
2135 if( h->sh.i_type == SLICE_TYPE_P ? framenum_diff > 0 : list == 1 ? poc_diff < 0 : poc_diff > 0 )
2136 {
2137 h->b_ref_reorder[list] = 1;
2138 return;
2139 }
2140 }
2141 }
2142
2143 /* return -1 on failure, else return the index of the new reference frame */
weighted_reference_duplicate(x264_t * h,int i_ref,const x264_weight_t * w)2144 static int weighted_reference_duplicate( x264_t *h, int i_ref, const x264_weight_t *w )
2145 {
2146 int i = h->i_ref[0];
2147 int j = 1;
2148 x264_frame_t *newframe;
2149 if( i <= 1 ) /* empty list, definitely can't duplicate frame */
2150 return -1;
2151
2152 //Duplication is only used in X264_WEIGHTP_SMART
2153 if( h->param.analyse.i_weighted_pred != X264_WEIGHTP_SMART )
2154 return -1;
2155
2156 /* Duplication is a hack to compensate for crappy rounding in motion compensation.
2157 * With high bit depth, it's not worth doing, so turn it off except in the case of
2158 * unweighted dupes. */
2159 if( BIT_DEPTH > 8 && w != x264_weight_none )
2160 return -1;
2161
2162 newframe = x264_frame_pop_blank_unused( h );
2163 if( !newframe )
2164 return -1;
2165
2166 //FIXME: probably don't need to copy everything
2167 *newframe = *h->fref[0][i_ref];
2168 newframe->i_reference_count = 1;
2169 newframe->orig = h->fref[0][i_ref];
2170 newframe->b_duplicate = 1;
2171 memcpy( h->fenc->weight[j], w, sizeof(h->fenc->weight[i]) );
2172
2173 /* shift the frames to make space for the dupe. */
2174 h->b_ref_reorder[0] = 1;
2175 if( h->i_ref[0] < X264_REF_MAX )
2176 ++h->i_ref[0];
2177 h->fref[0][X264_REF_MAX-1] = NULL;
2178 x264_frame_unshift( &h->fref[0][j], newframe );
2179
2180 return j;
2181 }
2182
weighted_pred_init(x264_t * h)2183 static void weighted_pred_init( x264_t *h )
2184 {
2185 /* for now no analysis and set all weights to nothing */
2186 for( int i_ref = 0; i_ref < h->i_ref[0]; i_ref++ )
2187 h->fenc->weighted[i_ref] = h->fref[0][i_ref]->filtered[0][0];
2188
2189 // FIXME: This only supports weighting of one reference frame
2190 // and duplicates of that frame.
2191 h->fenc->i_lines_weighted = 0;
2192
2193 for( int i_ref = 0; i_ref < (h->i_ref[0] << SLICE_MBAFF); i_ref++ )
2194 for( int i = 0; i < 3; i++ )
2195 h->sh.weight[i_ref][i].weightfn = NULL;
2196
2197
2198 if( h->sh.i_type != SLICE_TYPE_P || h->param.analyse.i_weighted_pred <= 0 )
2199 return;
2200
2201 int i_padv = PADV << PARAM_INTERLACED;
2202 int denom = -1;
2203 int weightplane[2] = { 0, 0 };
2204 int buffer_next = 0;
2205 for( int i = 0; i < 3; i++ )
2206 {
2207 for( int j = 0; j < h->i_ref[0]; j++ )
2208 {
2209 if( h->fenc->weight[j][i].weightfn )
2210 {
2211 h->sh.weight[j][i] = h->fenc->weight[j][i];
2212 // if weight is useless, don't write it to stream
2213 if( h->sh.weight[j][i].i_scale == 1<<h->sh.weight[j][i].i_denom && h->sh.weight[j][i].i_offset == 0 )
2214 h->sh.weight[j][i].weightfn = NULL;
2215 else
2216 {
2217 if( !weightplane[!!i] )
2218 {
2219 weightplane[!!i] = 1;
2220 h->sh.weight[0][!!i].i_denom = denom = h->sh.weight[j][i].i_denom;
2221 assert( x264_clip3( denom, 0, 7 ) == denom );
2222 }
2223
2224 assert( h->sh.weight[j][i].i_denom == denom );
2225 if( !i )
2226 {
2227 h->fenc->weighted[j] = h->mb.p_weight_buf[buffer_next++] + h->fenc->i_stride[0] * i_padv + PADH_ALIGN;
2228 //scale full resolution frame
2229 if( h->param.i_threads == 1 )
2230 {
2231 pixel *src = h->fref[0][j]->filtered[0][0] - h->fref[0][j]->i_stride[0]*i_padv - PADH_ALIGN;
2232 pixel *dst = h->fenc->weighted[j] - h->fenc->i_stride[0]*i_padv - PADH_ALIGN;
2233 int stride = h->fenc->i_stride[0];
2234 int width = h->fenc->i_width[0] + PADH2;
2235 int height = h->fenc->i_lines[0] + i_padv*2;
2236 x264_weight_scale_plane( h, dst, stride, src, stride, width, height, &h->sh.weight[j][0] );
2237 h->fenc->i_lines_weighted = height;
2238 }
2239 }
2240 }
2241 }
2242 }
2243 }
2244
2245 if( weightplane[1] )
2246 for( int i = 0; i < h->i_ref[0]; i++ )
2247 {
2248 if( h->sh.weight[i][1].weightfn && !h->sh.weight[i][2].weightfn )
2249 {
2250 h->sh.weight[i][2].i_scale = 1 << h->sh.weight[0][1].i_denom;
2251 h->sh.weight[i][2].i_offset = 0;
2252 }
2253 else if( h->sh.weight[i][2].weightfn && !h->sh.weight[i][1].weightfn )
2254 {
2255 h->sh.weight[i][1].i_scale = 1 << h->sh.weight[0][1].i_denom;
2256 h->sh.weight[i][1].i_offset = 0;
2257 }
2258 }
2259
2260 if( !weightplane[0] )
2261 h->sh.weight[0][0].i_denom = 0;
2262 if( !weightplane[1] )
2263 h->sh.weight[0][1].i_denom = 0;
2264 h->sh.weight[0][2].i_denom = h->sh.weight[0][1].i_denom;
2265 }
2266
reference_distance(x264_t * h,x264_frame_t * frame)2267 static inline int reference_distance( x264_t *h, x264_frame_t *frame )
2268 {
2269 if( h->param.i_frame_packing == 5 )
2270 return abs((h->fenc->i_frame&~1) - (frame->i_frame&~1)) +
2271 ((h->fenc->i_frame&1) != (frame->i_frame&1));
2272 else
2273 return abs(h->fenc->i_frame - frame->i_frame);
2274 }
2275
reference_build_list(x264_t * h,int i_poc)2276 static inline void reference_build_list( x264_t *h, int i_poc )
2277 {
2278 int b_ok;
2279
2280 /* build ref list 0/1 */
2281 h->mb.pic.i_fref[0] = h->i_ref[0] = 0;
2282 h->mb.pic.i_fref[1] = h->i_ref[1] = 0;
2283 if( h->sh.i_type == SLICE_TYPE_I )
2284 return;
2285
2286 for( int i = 0; h->frames.reference[i]; i++ )
2287 {
2288 if( h->frames.reference[i]->b_corrupt )
2289 continue;
2290 if( h->frames.reference[i]->i_poc < i_poc )
2291 h->fref[0][h->i_ref[0]++] = h->frames.reference[i];
2292 else if( h->frames.reference[i]->i_poc > i_poc )
2293 h->fref[1][h->i_ref[1]++] = h->frames.reference[i];
2294 }
2295
2296 if( h->sh.i_mmco_remove_from_end )
2297 {
2298 /* Order ref0 for MMCO remove */
2299 do
2300 {
2301 b_ok = 1;
2302 for( int i = 0; i < h->i_ref[0] - 1; i++ )
2303 {
2304 if( h->fref[0][i]->i_frame < h->fref[0][i+1]->i_frame )
2305 {
2306 XCHG( x264_frame_t*, h->fref[0][i], h->fref[0][i+1] );
2307 b_ok = 0;
2308 break;
2309 }
2310 }
2311 } while( !b_ok );
2312
2313 for( int i = h->i_ref[0]-1; i >= h->i_ref[0] - h->sh.i_mmco_remove_from_end; i-- )
2314 {
2315 int diff = h->i_frame_num - h->fref[0][i]->i_frame_num;
2316 h->sh.mmco[h->sh.i_mmco_command_count].i_poc = h->fref[0][i]->i_poc;
2317 h->sh.mmco[h->sh.i_mmco_command_count++].i_difference_of_pic_nums = diff;
2318 }
2319 }
2320
2321 /* Order reference lists by distance from the current frame. */
2322 for( int list = 0; list < 2; list++ )
2323 {
2324 h->fref_nearest[list] = h->fref[list][0];
2325 do
2326 {
2327 b_ok = 1;
2328 for( int i = 0; i < h->i_ref[list] - 1; i++ )
2329 {
2330 if( list ? h->fref[list][i+1]->i_poc < h->fref_nearest[list]->i_poc
2331 : h->fref[list][i+1]->i_poc > h->fref_nearest[list]->i_poc )
2332 h->fref_nearest[list] = h->fref[list][i+1];
2333 if( reference_distance( h, h->fref[list][i] ) > reference_distance( h, h->fref[list][i+1] ) )
2334 {
2335 XCHG( x264_frame_t*, h->fref[list][i], h->fref[list][i+1] );
2336 b_ok = 0;
2337 break;
2338 }
2339 }
2340 } while( !b_ok );
2341 }
2342
2343 reference_check_reorder( h );
2344
2345 h->i_ref[1] = X264_MIN( h->i_ref[1], h->frames.i_max_ref1 );
2346 h->i_ref[0] = X264_MIN( h->i_ref[0], h->frames.i_max_ref0 );
2347 h->i_ref[0] = X264_MIN( h->i_ref[0], h->param.i_frame_reference ); // if reconfig() has lowered the limit
2348
2349 /* For Blu-ray compliance, don't reference frames outside of the minigop. */
2350 if( IS_X264_TYPE_B( h->fenc->i_type ) && h->param.b_bluray_compat )
2351 h->i_ref[0] = X264_MIN( h->i_ref[0], IS_X264_TYPE_B( h->fref[0][0]->i_type ) + 1 );
2352
2353 /* add duplicates */
2354 if( h->fenc->i_type == X264_TYPE_P )
2355 {
2356 int idx = -1;
2357 if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
2358 {
2359 x264_weight_t w[3];
2360 w[1].weightfn = w[2].weightfn = NULL;
2361 if( h->param.rc.b_stat_read )
2362 x264_ratecontrol_set_weights( h, h->fenc );
2363
2364 if( !h->fenc->weight[0][0].weightfn )
2365 {
2366 h->fenc->weight[0][0].i_denom = 0;
2367 SET_WEIGHT( w[0], 1, 1, 0, -1 );
2368 idx = weighted_reference_duplicate( h, 0, w );
2369 }
2370 else
2371 {
2372 if( h->fenc->weight[0][0].i_scale == 1<<h->fenc->weight[0][0].i_denom )
2373 {
2374 SET_WEIGHT( h->fenc->weight[0][0], 1, 1, 0, h->fenc->weight[0][0].i_offset );
2375 }
2376 weighted_reference_duplicate( h, 0, x264_weight_none );
2377 if( h->fenc->weight[0][0].i_offset > -128 )
2378 {
2379 w[0] = h->fenc->weight[0][0];
2380 w[0].i_offset--;
2381 h->mc.weight_cache( h, &w[0] );
2382 idx = weighted_reference_duplicate( h, 0, w );
2383 }
2384 }
2385 }
2386 h->mb.ref_blind_dupe = idx;
2387 }
2388
2389 assert( h->i_ref[0] + h->i_ref[1] <= X264_REF_MAX );
2390 h->mb.pic.i_fref[0] = h->i_ref[0];
2391 h->mb.pic.i_fref[1] = h->i_ref[1];
2392 }
2393
fdec_filter_row(x264_t * h,int mb_y,int pass)2394 static void fdec_filter_row( x264_t *h, int mb_y, int pass )
2395 {
2396 /* mb_y is the mb to be encoded next, not the mb to be filtered here */
2397 int b_hpel = h->fdec->b_kept_as_ref;
2398 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
2399 int b_end = mb_y == h->i_threadslice_end;
2400 int b_measure_quality = 1;
2401 int min_y = mb_y - (1 << SLICE_MBAFF);
2402 int b_start = min_y == h->i_threadslice_start;
2403 /* Even in interlaced mode, deblocking never modifies more than 4 pixels
2404 * above each MB, as bS=4 doesn't happen for the top of interlaced mbpairs. */
2405 int minpix_y = min_y*16 - 4 * !b_start;
2406 int maxpix_y = mb_y*16 - 4 * !b_end;
2407 b_deblock &= b_hpel || h->param.b_full_recon || h->param.psz_dump_yuv;
2408 if( h->param.b_sliced_threads )
2409 {
2410 switch( pass )
2411 {
2412 /* During encode: only do deblock if asked for */
2413 default:
2414 case 0:
2415 b_deblock &= h->param.b_full_recon;
2416 b_hpel = 0;
2417 break;
2418 /* During post-encode pass: do deblock if not done yet, do hpel for all
2419 * rows except those between slices. */
2420 case 1:
2421 b_deblock &= !h->param.b_full_recon;
2422 b_hpel &= !(b_start && min_y > 0);
2423 b_measure_quality = 0;
2424 break;
2425 /* Final pass: do the rows between slices in sequence. */
2426 case 2:
2427 b_deblock = 0;
2428 b_measure_quality = 0;
2429 break;
2430 }
2431 }
2432 if( mb_y & SLICE_MBAFF )
2433 return;
2434 if( min_y < h->i_threadslice_start )
2435 return;
2436
2437 if( b_deblock )
2438 for( int y = min_y; y < mb_y; y += (1 << SLICE_MBAFF) )
2439 x264_frame_deblock_row( h, y );
2440
2441 /* FIXME: Prediction requires different borders for interlaced/progressive mc,
2442 * but the actual image data is equivalent. For now, maintain this
2443 * consistency by copying deblocked pixels between planes. */
2444 if( PARAM_INTERLACED && (!h->param.b_sliced_threads || pass == 1) )
2445 for( int p = 0; p < h->fdec->i_plane; p++ )
2446 for( int i = minpix_y>>(CHROMA_V_SHIFT && p); i < maxpix_y>>(CHROMA_V_SHIFT && p); i++ )
2447 memcpy( h->fdec->plane_fld[p] + i*h->fdec->i_stride[p],
2448 h->fdec->plane[p] + i*h->fdec->i_stride[p],
2449 h->mb.i_mb_width*16*SIZEOF_PIXEL );
2450
2451 if( h->fdec->b_kept_as_ref && (!h->param.b_sliced_threads || pass == 1) )
2452 x264_frame_expand_border( h, h->fdec, min_y );
2453 if( b_hpel )
2454 {
2455 int end = mb_y == h->mb.i_mb_height;
2456 /* Can't do hpel until the previous slice is done encoding. */
2457 if( h->param.analyse.i_subpel_refine )
2458 {
2459 x264_frame_filter( h, h->fdec, min_y, end );
2460 x264_frame_expand_border_filtered( h, h->fdec, min_y, end );
2461 }
2462 }
2463
2464 if( SLICE_MBAFF && pass == 0 )
2465 for( int i = 0; i < 3; i++ )
2466 {
2467 XCHG( pixel *, h->intra_border_backup[0][i], h->intra_border_backup[3][i] );
2468 XCHG( pixel *, h->intra_border_backup[1][i], h->intra_border_backup[4][i] );
2469 }
2470
2471 if( h->i_thread_frames > 1 && h->fdec->b_kept_as_ref )
2472 x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << SLICE_MBAFF)) );
2473
2474 if( b_measure_quality )
2475 {
2476 maxpix_y = X264_MIN( maxpix_y, h->param.i_height );
2477 if( h->param.analyse.b_psnr )
2478 {
2479 for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
2480 h->stat.frame.i_ssd[p] += x264_pixel_ssd_wxh( &h->pixf,
2481 h->fdec->plane[p] + minpix_y * h->fdec->i_stride[p], h->fdec->i_stride[p],
2482 h->fenc->plane[p] + minpix_y * h->fenc->i_stride[p], h->fenc->i_stride[p],
2483 h->param.i_width, maxpix_y-minpix_y );
2484 if( !CHROMA444 )
2485 {
2486 uint64_t ssd_u, ssd_v;
2487 int v_shift = CHROMA_V_SHIFT;
2488 x264_pixel_ssd_nv12( &h->pixf,
2489 h->fdec->plane[1] + (minpix_y>>v_shift) * h->fdec->i_stride[1], h->fdec->i_stride[1],
2490 h->fenc->plane[1] + (minpix_y>>v_shift) * h->fenc->i_stride[1], h->fenc->i_stride[1],
2491 h->param.i_width>>1, (maxpix_y-minpix_y)>>v_shift, &ssd_u, &ssd_v );
2492 h->stat.frame.i_ssd[1] += ssd_u;
2493 h->stat.frame.i_ssd[2] += ssd_v;
2494 }
2495 }
2496
2497 if( h->param.analyse.b_ssim )
2498 {
2499 int ssim_cnt;
2500 x264_emms();
2501 /* offset by 2 pixels to avoid alignment of ssim blocks with dct blocks,
2502 * and overlap by 4 */
2503 minpix_y += b_start ? 2 : -6;
2504 h->stat.frame.f_ssim +=
2505 x264_pixel_ssim_wxh( &h->pixf,
2506 h->fdec->plane[0] + 2+minpix_y*h->fdec->i_stride[0], h->fdec->i_stride[0],
2507 h->fenc->plane[0] + 2+minpix_y*h->fenc->i_stride[0], h->fenc->i_stride[0],
2508 h->param.i_width-2, maxpix_y-minpix_y, h->scratch_buffer, &ssim_cnt );
2509 h->stat.frame.i_ssim_cnt += ssim_cnt;
2510 }
2511 }
2512 }
2513
reference_update(x264_t * h)2514 static inline int reference_update( x264_t *h )
2515 {
2516 if( !h->fdec->b_kept_as_ref )
2517 {
2518 if( h->i_thread_frames > 1 )
2519 {
2520 x264_frame_push_unused( h, h->fdec );
2521 h->fdec = x264_frame_pop_unused( h, 1 );
2522 if( !h->fdec )
2523 return -1;
2524 }
2525 return 0;
2526 }
2527
2528 /* apply mmco from previous frame. */
2529 for( int i = 0; i < h->sh.i_mmco_command_count; i++ )
2530 for( int j = 0; h->frames.reference[j]; j++ )
2531 if( h->frames.reference[j]->i_poc == h->sh.mmco[i].i_poc )
2532 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[j] ) );
2533
2534 /* move frame in the buffer */
2535 x264_frame_push( h->frames.reference, h->fdec );
2536 if( h->frames.reference[h->sps->i_num_ref_frames] )
2537 x264_frame_push_unused( h, x264_frame_shift( h->frames.reference ) );
2538 h->fdec = x264_frame_pop_unused( h, 1 );
2539 if( !h->fdec )
2540 return -1;
2541 return 0;
2542 }
2543
reference_reset(x264_t * h)2544 static inline void reference_reset( x264_t *h )
2545 {
2546 while( h->frames.reference[0] )
2547 x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
2548 h->fdec->i_poc =
2549 h->fenc->i_poc = 0;
2550 }
2551
reference_hierarchy_reset(x264_t * h)2552 static inline void reference_hierarchy_reset( x264_t *h )
2553 {
2554 int ref;
2555 int b_hasdelayframe = 0;
2556
2557 /* look for delay frames -- chain must only contain frames that are disposable */
2558 for( int i = 0; h->frames.current[i] && IS_DISPOSABLE( h->frames.current[i]->i_type ); i++ )
2559 b_hasdelayframe |= h->frames.current[i]->i_coded
2560 != h->frames.current[i]->i_frame + h->sps->vui.i_num_reorder_frames;
2561
2562 /* This function must handle b-pyramid and clear frames for open-gop */
2563 if( h->param.i_bframe_pyramid != X264_B_PYRAMID_STRICT && !b_hasdelayframe && h->frames.i_poc_last_open_gop == -1 )
2564 return;
2565
2566 /* Remove last BREF. There will never be old BREFs in the
2567 * dpb during a BREF decode when pyramid == STRICT */
2568 for( ref = 0; h->frames.reference[ref]; ref++ )
2569 {
2570 if( ( h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT
2571 && h->frames.reference[ref]->i_type == X264_TYPE_BREF )
2572 || ( h->frames.reference[ref]->i_poc < h->frames.i_poc_last_open_gop
2573 && h->sh.i_type != SLICE_TYPE_B ) )
2574 {
2575 int diff = h->i_frame_num - h->frames.reference[ref]->i_frame_num;
2576 h->sh.mmco[h->sh.i_mmco_command_count].i_difference_of_pic_nums = diff;
2577 h->sh.mmco[h->sh.i_mmco_command_count++].i_poc = h->frames.reference[ref]->i_poc;
2578 x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[ref] ) );
2579 h->b_ref_reorder[0] = 1;
2580 ref--;
2581 }
2582 }
2583
2584 /* Prepare room in the dpb for the delayed display time of the later b-frame's */
2585 if( h->param.i_bframe_pyramid )
2586 h->sh.i_mmco_remove_from_end = X264_MAX( ref + 2 - h->frames.i_max_dpb, 0 );
2587 }
2588
slice_init(x264_t * h,int i_nal_type,int i_global_qp)2589 static inline void slice_init( x264_t *h, int i_nal_type, int i_global_qp )
2590 {
2591 /* ------------------------ Create slice header ----------------------- */
2592 if( i_nal_type == NAL_SLICE_IDR )
2593 {
2594 slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp );
2595
2596 /* alternate id */
2597 if( h->param.i_avcintra_class )
2598 {
2599 switch( h->i_idr_pic_id )
2600 {
2601 case 5:
2602 h->i_idr_pic_id = 3;
2603 break;
2604 case 3:
2605 h->i_idr_pic_id = 4;
2606 break;
2607 case 4:
2608 default:
2609 h->i_idr_pic_id = 5;
2610 break;
2611 }
2612 }
2613 else
2614 h->i_idr_pic_id ^= 1;
2615 }
2616 else
2617 {
2618 slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp );
2619
2620 h->sh.i_num_ref_idx_l0_active = h->i_ref[0] <= 0 ? 1 : h->i_ref[0];
2621 h->sh.i_num_ref_idx_l1_active = h->i_ref[1] <= 0 ? 1 : h->i_ref[1];
2622 if( h->sh.i_num_ref_idx_l0_active != h->pps->i_num_ref_idx_l0_default_active ||
2623 (h->sh.i_type == SLICE_TYPE_B && h->sh.i_num_ref_idx_l1_active != h->pps->i_num_ref_idx_l1_default_active) )
2624 {
2625 h->sh.b_num_ref_idx_override = 1;
2626 }
2627 }
2628
2629 if( h->fenc->i_type == X264_TYPE_BREF && h->param.b_bluray_compat && h->sh.i_mmco_command_count )
2630 {
2631 h->b_sh_backup = 1;
2632 h->sh_backup = h->sh;
2633 }
2634
2635 h->fdec->i_frame_num = h->sh.i_frame_num;
2636
2637 if( h->sps->i_poc_type == 0 )
2638 {
2639 h->sh.i_poc = h->fdec->i_poc;
2640 if( PARAM_INTERLACED )
2641 {
2642 h->sh.i_delta_poc_bottom = h->param.b_tff ? 1 : -1;
2643 h->sh.i_poc += h->sh.i_delta_poc_bottom == -1;
2644 }
2645 else
2646 h->sh.i_delta_poc_bottom = 0;
2647 h->fdec->i_delta_poc[0] = h->sh.i_delta_poc_bottom == -1;
2648 h->fdec->i_delta_poc[1] = h->sh.i_delta_poc_bottom == 1;
2649 }
2650 else
2651 {
2652 /* Nothing to do ? */
2653 }
2654
2655 x264_macroblock_slice_init( h );
2656 }
2657
2658 typedef struct
2659 {
2660 int skip;
2661 uint8_t cabac_prevbyte;
2662 bs_t bs;
2663 x264_cabac_t cabac;
2664 x264_frame_stat_t stat;
2665 int last_qp;
2666 int last_dqp;
2667 int field_decoding_flag;
2668 } x264_bs_bak_t;
2669
bitstream_backup(x264_t * h,x264_bs_bak_t * bak,int i_skip,int full)2670 static ALWAYS_INLINE void bitstream_backup( x264_t *h, x264_bs_bak_t *bak, int i_skip, int full )
2671 {
2672 if( full )
2673 {
2674 bak->stat = h->stat.frame;
2675 bak->last_qp = h->mb.i_last_qp;
2676 bak->last_dqp = h->mb.i_last_dqp;
2677 bak->field_decoding_flag = h->mb.field_decoding_flag;
2678 }
2679 else
2680 {
2681 bak->stat.i_mv_bits = h->stat.frame.i_mv_bits;
2682 bak->stat.i_tex_bits = h->stat.frame.i_tex_bits;
2683 }
2684 /* In the per-MB backup, we don't need the contexts because flushing the CABAC
2685 * encoder has no context dependency and in this case, a slice is ended (and
2686 * thus the content of all contexts are thrown away). */
2687 if( h->param.b_cabac )
2688 {
2689 if( full )
2690 memcpy( &bak->cabac, &h->cabac, sizeof(x264_cabac_t) );
2691 else
2692 memcpy( &bak->cabac, &h->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
2693 /* x264's CABAC writer modifies the previous byte during carry, so it has to be
2694 * backed up. */
2695 bak->cabac_prevbyte = h->cabac.p[-1];
2696 }
2697 else
2698 {
2699 bak->bs = h->out.bs;
2700 bak->skip = i_skip;
2701 }
2702 }
2703
bitstream_restore(x264_t * h,x264_bs_bak_t * bak,int * skip,int full)2704 static ALWAYS_INLINE void bitstream_restore( x264_t *h, x264_bs_bak_t *bak, int *skip, int full )
2705 {
2706 if( full )
2707 {
2708 h->stat.frame = bak->stat;
2709 h->mb.i_last_qp = bak->last_qp;
2710 h->mb.i_last_dqp = bak->last_dqp;
2711 h->mb.field_decoding_flag = bak->field_decoding_flag;
2712 }
2713 else
2714 {
2715 h->stat.frame.i_mv_bits = bak->stat.i_mv_bits;
2716 h->stat.frame.i_tex_bits = bak->stat.i_tex_bits;
2717 }
2718 if( h->param.b_cabac )
2719 {
2720 if( full )
2721 memcpy( &h->cabac, &bak->cabac, sizeof(x264_cabac_t) );
2722 else
2723 memcpy( &h->cabac, &bak->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
2724 h->cabac.p[-1] = bak->cabac_prevbyte;
2725 }
2726 else
2727 {
2728 h->out.bs = bak->bs;
2729 *skip = bak->skip;
2730 }
2731 }
2732
slice_write(x264_t * h)2733 static intptr_t slice_write( x264_t *h )
2734 {
2735 int i_skip;
2736 int mb_xy, i_mb_x, i_mb_y;
2737 /* NALUs other than the first use a 3-byte startcode.
2738 * Add one extra byte for the rbsp, and one more for the final CABAC putbyte.
2739 * Then add an extra 5 bytes just in case, to account for random NAL escapes and
2740 * other inaccuracies. */
2741 int overhead_guess = (NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal)) + 1 + h->param.b_cabac + 5;
2742 int slice_max_size = h->param.i_slice_max_size > 0 ? (h->param.i_slice_max_size-overhead_guess)*8 : 0;
2743 int back_up_bitstream_cavlc = !h->param.b_cabac && h->sps->i_profile_idc < PROFILE_HIGH;
2744 int back_up_bitstream = slice_max_size || back_up_bitstream_cavlc;
2745 int starting_bits = bs_pos(&h->out.bs);
2746 int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
2747 int b_hpel = h->fdec->b_kept_as_ref;
2748 int orig_last_mb = h->sh.i_last_mb;
2749 int thread_last_mb = h->i_threadslice_end * h->mb.i_mb_width - 1;
2750 uint8_t *last_emu_check;
2751 #define BS_BAK_SLICE_MAX_SIZE 0
2752 #define BS_BAK_CAVLC_OVERFLOW 1
2753 #define BS_BAK_SLICE_MIN_MBS 2
2754 #define BS_BAK_ROW_VBV 3
2755 x264_bs_bak_t bs_bak[4];
2756 b_deblock &= b_hpel || h->param.b_full_recon || h->param.psz_dump_yuv;
2757 bs_realign( &h->out.bs );
2758
2759 /* Slice */
2760 nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
2761 h->out.nal[h->out.i_nal].i_first_mb = h->sh.i_first_mb;
2762
2763 /* Slice header */
2764 x264_macroblock_thread_init( h );
2765
2766 /* Set the QP equal to the first QP in the slice for more accurate CABAC initialization. */
2767 h->mb.i_mb_xy = h->sh.i_first_mb;
2768 h->sh.i_qp = x264_ratecontrol_mb_qp( h );
2769 h->sh.i_qp = SPEC_QP( h->sh.i_qp );
2770 h->sh.i_qp_delta = h->sh.i_qp - h->pps->i_pic_init_qp;
2771
2772 slice_header_write( &h->out.bs, &h->sh, h->i_nal_ref_idc );
2773 if( h->param.b_cabac )
2774 {
2775 /* alignment needed */
2776 bs_align_1( &h->out.bs );
2777
2778 /* init cabac */
2779 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 );
2780 x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
2781 last_emu_check = h->cabac.p;
2782 }
2783 else
2784 last_emu_check = h->out.bs.p;
2785 h->mb.i_last_qp = h->sh.i_qp;
2786 h->mb.i_last_dqp = 0;
2787 h->mb.field_decoding_flag = 0;
2788
2789 i_mb_y = h->sh.i_first_mb / h->mb.i_mb_width;
2790 i_mb_x = h->sh.i_first_mb % h->mb.i_mb_width;
2791 i_skip = 0;
2792
2793 while( 1 )
2794 {
2795 mb_xy = i_mb_x + i_mb_y * h->mb.i_mb_width;
2796 int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
2797
2798 if( i_mb_x == 0 )
2799 {
2800 if( bitstream_check_buffer( h ) )
2801 return -1;
2802 if( !(i_mb_y & SLICE_MBAFF) && h->param.rc.i_vbv_buffer_size )
2803 bitstream_backup( h, &bs_bak[BS_BAK_ROW_VBV], i_skip, 1 );
2804 if( !h->mb.b_reencode_mb )
2805 fdec_filter_row( h, i_mb_y, 0 );
2806 }
2807
2808 if( back_up_bitstream )
2809 {
2810 if( back_up_bitstream_cavlc )
2811 bitstream_backup( h, &bs_bak[BS_BAK_CAVLC_OVERFLOW], i_skip, 0 );
2812 if( slice_max_size && !(i_mb_y & SLICE_MBAFF) )
2813 {
2814 bitstream_backup( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], i_skip, 0 );
2815 if( (thread_last_mb+1-mb_xy) == h->param.i_slice_min_mbs )
2816 bitstream_backup( h, &bs_bak[BS_BAK_SLICE_MIN_MBS], i_skip, 0 );
2817 }
2818 }
2819
2820 if( PARAM_INTERLACED )
2821 {
2822 if( h->mb.b_adaptive_mbaff )
2823 {
2824 if( !(i_mb_y&1) )
2825 {
2826 /* FIXME: VSAD is fast but fairly poor at choosing the best interlace type. */
2827 h->mb.b_interlaced = x264_field_vsad( h, i_mb_x, i_mb_y );
2828 memcpy( &h->zigzagf, MB_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
2829 if( !MB_INTERLACED && (i_mb_y+2) == h->mb.i_mb_height )
2830 x264_expand_border_mbpair( h, i_mb_x, i_mb_y );
2831 }
2832 }
2833 h->mb.field[mb_xy] = MB_INTERLACED;
2834 }
2835
2836 /* load cache */
2837 if( SLICE_MBAFF )
2838 x264_macroblock_cache_load_interlaced( h, i_mb_x, i_mb_y );
2839 else
2840 x264_macroblock_cache_load_progressive( h, i_mb_x, i_mb_y );
2841
2842 x264_macroblock_analyse( h );
2843
2844 /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
2845 reencode:
2846 x264_macroblock_encode( h );
2847
2848 if( h->param.b_cabac )
2849 {
2850 if( mb_xy > h->sh.i_first_mb && !(SLICE_MBAFF && (i_mb_y&1)) )
2851 x264_cabac_encode_terminal( &h->cabac );
2852
2853 if( IS_SKIP( h->mb.i_type ) )
2854 x264_cabac_mb_skip( h, 1 );
2855 else
2856 {
2857 if( h->sh.i_type != SLICE_TYPE_I )
2858 x264_cabac_mb_skip( h, 0 );
2859 x264_macroblock_write_cabac( h, &h->cabac );
2860 }
2861 }
2862 else
2863 {
2864 if( IS_SKIP( h->mb.i_type ) )
2865 i_skip++;
2866 else
2867 {
2868 if( h->sh.i_type != SLICE_TYPE_I )
2869 {
2870 bs_write_ue( &h->out.bs, i_skip ); /* skip run */
2871 i_skip = 0;
2872 }
2873 x264_macroblock_write_cavlc( h );
2874 /* If there was a CAVLC level code overflow, try again at a higher QP. */
2875 if( h->mb.b_overflow )
2876 {
2877 h->mb.i_chroma_qp = h->chroma_qp_table[++h->mb.i_qp];
2878 h->mb.i_skip_intra = 0;
2879 h->mb.b_skip_mc = 0;
2880 h->mb.b_overflow = 0;
2881 bitstream_restore( h, &bs_bak[BS_BAK_CAVLC_OVERFLOW], &i_skip, 0 );
2882 goto reencode;
2883 }
2884 }
2885 }
2886
2887 int total_bits = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
2888 int mb_size = total_bits - mb_spos;
2889
2890 if( slice_max_size && (!SLICE_MBAFF || (i_mb_y&1)) )
2891 {
2892 /* Count the skip run, just in case. */
2893 if( !h->param.b_cabac )
2894 total_bits += bs_size_ue_big( i_skip );
2895 /* Check for escape bytes. */
2896 uint8_t *end = h->param.b_cabac ? h->cabac.p : h->out.bs.p;
2897 for( ; last_emu_check < end - 2; last_emu_check++ )
2898 if( last_emu_check[0] == 0 && last_emu_check[1] == 0 && last_emu_check[2] <= 3 )
2899 {
2900 slice_max_size -= 8;
2901 last_emu_check++;
2902 }
2903 /* We'll just re-encode this last macroblock if we go over the max slice size. */
2904 if( total_bits - starting_bits > slice_max_size && !h->mb.b_reencode_mb )
2905 {
2906 if( !x264_frame_new_slice( h, h->fdec ) )
2907 {
2908 /* Handle the most obnoxious slice-min-mbs edge case: we need to end the slice
2909 * because it's gone over the maximum size, but doing so would violate slice-min-mbs.
2910 * If possible, roll back to the last checkpoint and try again.
2911 * We could try raising QP, but that would break in the case where a slice spans multiple
2912 * rows, which the re-encoding infrastructure can't currently handle. */
2913 if( mb_xy <= thread_last_mb && (thread_last_mb+1-mb_xy) < h->param.i_slice_min_mbs )
2914 {
2915 if( thread_last_mb-h->param.i_slice_min_mbs < h->sh.i_first_mb+h->param.i_slice_min_mbs )
2916 {
2917 x264_log( h, X264_LOG_WARNING, "slice-max-size violated (frame %d, cause: slice-min-mbs)\n", h->i_frame );
2918 slice_max_size = 0;
2919 goto cont;
2920 }
2921 bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MIN_MBS], &i_skip, 0 );
2922 h->mb.b_reencode_mb = 1;
2923 h->sh.i_last_mb = thread_last_mb-h->param.i_slice_min_mbs;
2924 break;
2925 }
2926 if( mb_xy-SLICE_MBAFF*h->mb.i_mb_stride != h->sh.i_first_mb )
2927 {
2928 bitstream_restore( h, &bs_bak[BS_BAK_SLICE_MAX_SIZE], &i_skip, 0 );
2929 h->mb.b_reencode_mb = 1;
2930 if( SLICE_MBAFF )
2931 {
2932 // set to bottom of previous mbpair
2933 if( i_mb_x )
2934 h->sh.i_last_mb = mb_xy-1+h->mb.i_mb_stride*(!(i_mb_y&1));
2935 else
2936 h->sh.i_last_mb = (i_mb_y-2+!(i_mb_y&1))*h->mb.i_mb_stride + h->mb.i_mb_width - 1;
2937 }
2938 else
2939 h->sh.i_last_mb = mb_xy-1;
2940 break;
2941 }
2942 else
2943 h->sh.i_last_mb = mb_xy;
2944 }
2945 else
2946 slice_max_size = 0;
2947 }
2948 }
2949 cont:
2950 h->mb.b_reencode_mb = 0;
2951
2952 /* save cache */
2953 x264_macroblock_cache_save( h );
2954
2955 if( x264_ratecontrol_mb( h, mb_size ) < 0 )
2956 {
2957 bitstream_restore( h, &bs_bak[BS_BAK_ROW_VBV], &i_skip, 1 );
2958 h->mb.b_reencode_mb = 1;
2959 i_mb_x = 0;
2960 i_mb_y = i_mb_y - SLICE_MBAFF;
2961 h->mb.i_mb_prev_xy = i_mb_y * h->mb.i_mb_stride - 1;
2962 h->sh.i_last_mb = orig_last_mb;
2963 continue;
2964 }
2965
2966 /* accumulate mb stats */
2967 h->stat.frame.i_mb_count[h->mb.i_type]++;
2968
2969 int b_intra = IS_INTRA( h->mb.i_type );
2970 int b_skip = IS_SKIP( h->mb.i_type );
2971 if( h->param.i_log_level >= X264_LOG_INFO || h->param.rc.b_stat_write )
2972 {
2973 if( !b_intra && !b_skip && !IS_DIRECT( h->mb.i_type ) )
2974 {
2975 if( h->mb.i_partition != D_8x8 )
2976 h->stat.frame.i_mb_partition[h->mb.i_partition] += 4;
2977 else
2978 for( int i = 0; i < 4; i++ )
2979 h->stat.frame.i_mb_partition[h->mb.i_sub_partition[i]] ++;
2980 if( h->param.i_frame_reference > 1 )
2981 for( int i_list = 0; i_list <= (h->sh.i_type == SLICE_TYPE_B); i_list++ )
2982 for( int i = 0; i < 4; i++ )
2983 {
2984 int i_ref = h->mb.cache.ref[i_list][ x264_scan8[4*i] ];
2985 if( i_ref >= 0 )
2986 h->stat.frame.i_mb_count_ref[i_list][i_ref] ++;
2987 }
2988 }
2989 }
2990
2991 if( h->param.i_log_level >= X264_LOG_INFO )
2992 {
2993 if( h->mb.i_cbp_luma | h->mb.i_cbp_chroma )
2994 {
2995 if( CHROMA444 )
2996 {
2997 for( int i = 0; i < 4; i++ )
2998 if( h->mb.i_cbp_luma & (1 << i) )
2999 for( int p = 0; p < 3; p++ )
3000 {
3001 int s8 = i*4+p*16;
3002 int nnz8x8 = M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+0] )
3003 | M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+8] );
3004 h->stat.frame.i_mb_cbp[!b_intra + p*2] += !!nnz8x8;
3005 }
3006 }
3007 else
3008 {
3009 int cbpsum = (h->mb.i_cbp_luma&1) + ((h->mb.i_cbp_luma>>1)&1)
3010 + ((h->mb.i_cbp_luma>>2)&1) + (h->mb.i_cbp_luma>>3);
3011 h->stat.frame.i_mb_cbp[!b_intra + 0] += cbpsum;
3012 h->stat.frame.i_mb_cbp[!b_intra + 2] += !!h->mb.i_cbp_chroma;
3013 h->stat.frame.i_mb_cbp[!b_intra + 4] += h->mb.i_cbp_chroma >> 1;
3014 }
3015 }
3016 if( h->mb.i_cbp_luma && !b_intra )
3017 {
3018 h->stat.frame.i_mb_count_8x8dct[0] ++;
3019 h->stat.frame.i_mb_count_8x8dct[1] += h->mb.b_transform_8x8;
3020 }
3021 if( b_intra && h->mb.i_type != I_PCM )
3022 {
3023 if( h->mb.i_type == I_16x16 )
3024 h->stat.frame.i_mb_pred_mode[0][h->mb.i_intra16x16_pred_mode]++;
3025 else if( h->mb.i_type == I_8x8 )
3026 for( int i = 0; i < 16; i += 4 )
3027 h->stat.frame.i_mb_pred_mode[1][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
3028 else //if( h->mb.i_type == I_4x4 )
3029 for( int i = 0; i < 16; i++ )
3030 h->stat.frame.i_mb_pred_mode[2][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
3031 h->stat.frame.i_mb_pred_mode[3][x264_mb_chroma_pred_mode_fix[h->mb.i_chroma_pred_mode]]++;
3032 }
3033 h->stat.frame.i_mb_field[b_intra?0:b_skip?2:1] += MB_INTERLACED;
3034 }
3035
3036 /* calculate deblock strength values (actual deblocking is done per-row along with hpel) */
3037 if( b_deblock )
3038 x264_macroblock_deblock_strength( h );
3039
3040 if( mb_xy == h->sh.i_last_mb )
3041 break;
3042
3043 if( SLICE_MBAFF )
3044 {
3045 i_mb_x += i_mb_y & 1;
3046 i_mb_y ^= i_mb_x < h->mb.i_mb_width;
3047 }
3048 else
3049 i_mb_x++;
3050 if( i_mb_x == h->mb.i_mb_width )
3051 {
3052 i_mb_y++;
3053 i_mb_x = 0;
3054 }
3055 }
3056 if( h->sh.i_last_mb < h->sh.i_first_mb )
3057 return 0;
3058
3059 h->out.nal[h->out.i_nal].i_last_mb = h->sh.i_last_mb;
3060
3061 if( h->param.b_cabac )
3062 {
3063 x264_cabac_encode_flush( h, &h->cabac );
3064 h->out.bs.p = h->cabac.p;
3065 }
3066 else
3067 {
3068 if( i_skip > 0 )
3069 bs_write_ue( &h->out.bs, i_skip ); /* last skip run */
3070 /* rbsp_slice_trailing_bits */
3071 bs_rbsp_trailing( &h->out.bs );
3072 bs_flush( &h->out.bs );
3073 }
3074 if( nal_end( h ) )
3075 return -1;
3076
3077 if( h->sh.i_last_mb == (h->i_threadslice_end * h->mb.i_mb_width - 1) )
3078 {
3079 h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
3080 + (h->out.i_nal*NALU_OVERHEAD * 8)
3081 - h->stat.frame.i_tex_bits
3082 - h->stat.frame.i_mv_bits;
3083 fdec_filter_row( h, h->i_threadslice_end, 0 );
3084
3085 if( h->param.b_sliced_threads )
3086 {
3087 /* Tell the main thread we're done. */
3088 x264_threadslice_cond_broadcast( h, 1 );
3089 /* Do hpel now */
3090 for( int mb_y = h->i_threadslice_start; mb_y <= h->i_threadslice_end; mb_y++ )
3091 fdec_filter_row( h, mb_y, 1 );
3092 x264_threadslice_cond_broadcast( h, 2 );
3093 /* Do the first row of hpel, now that the previous slice is done */
3094 if( h->i_thread_idx > 0 )
3095 {
3096 x264_threadslice_cond_wait( h->thread[h->i_thread_idx-1], 2 );
3097 fdec_filter_row( h, h->i_threadslice_start + (1 << SLICE_MBAFF), 2 );
3098 }
3099 }
3100
3101 /* Free mb info after the last thread's done using it */
3102 if( h->fdec->mb_info_free && (!h->param.b_sliced_threads || h->i_thread_idx == (h->param.i_threads-1)) )
3103 {
3104 h->fdec->mb_info_free( h->fdec->mb_info );
3105 h->fdec->mb_info = NULL;
3106 h->fdec->mb_info_free = NULL;
3107 }
3108 }
3109
3110 return 0;
3111 }
3112
thread_sync_context(x264_t * dst,x264_t * src)3113 static void thread_sync_context( x264_t *dst, x264_t *src )
3114 {
3115 if( dst == src )
3116 return;
3117
3118 // reference counting
3119 for( x264_frame_t **f = src->frames.reference; *f; f++ )
3120 (*f)->i_reference_count++;
3121 for( x264_frame_t **f = dst->frames.reference; *f; f++ )
3122 x264_frame_push_unused( src, *f );
3123 src->fdec->i_reference_count++;
3124 x264_frame_push_unused( src, dst->fdec );
3125
3126 // copy everything except the per-thread pointers and the constants.
3127 memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.base) - offsetof(x264_t, i_frame) );
3128 dst->param = src->param;
3129 dst->stat = src->stat;
3130 dst->pixf = src->pixf;
3131 dst->reconfig = src->reconfig;
3132 }
3133
thread_sync_stat(x264_t * dst,x264_t * src)3134 static void thread_sync_stat( x264_t *dst, x264_t *src )
3135 {
3136 if( dst != src )
3137 memcpy( &dst->stat, &src->stat, offsetof(x264_t, stat.frame) - offsetof(x264_t, stat) );
3138 }
3139
slices_write(x264_t * h)3140 static void *slices_write( x264_t *h )
3141 {
3142 int i_slice_num = 0;
3143 int last_thread_mb = h->sh.i_last_mb;
3144 int round_bias = h->param.i_avcintra_class ? 0 : h->param.i_slice_count/2;
3145
3146 /* init stats */
3147 memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
3148 h->mb.b_reencode_mb = 0;
3149 while( h->sh.i_first_mb + SLICE_MBAFF*h->mb.i_mb_stride <= last_thread_mb )
3150 {
3151 h->sh.i_last_mb = last_thread_mb;
3152 if( !i_slice_num || !x264_frame_new_slice( h, h->fdec ) )
3153 {
3154 if( h->param.i_slice_max_mbs )
3155 {
3156 if( SLICE_MBAFF )
3157 {
3158 // convert first to mbaff form, add slice-max-mbs, then convert back to normal form
3159 int last_mbaff = 2*(h->sh.i_first_mb % h->mb.i_mb_width)
3160 + h->mb.i_mb_width*(h->sh.i_first_mb / h->mb.i_mb_width)
3161 + h->param.i_slice_max_mbs - 1;
3162 int last_x = (last_mbaff % (2*h->mb.i_mb_width))/2;
3163 int last_y = (last_mbaff / (2*h->mb.i_mb_width))*2 + 1;
3164 h->sh.i_last_mb = last_x + h->mb.i_mb_stride*last_y;
3165 }
3166 else
3167 {
3168 h->sh.i_last_mb = h->sh.i_first_mb + h->param.i_slice_max_mbs - 1;
3169 if( h->sh.i_last_mb < last_thread_mb && last_thread_mb - h->sh.i_last_mb < h->param.i_slice_min_mbs )
3170 h->sh.i_last_mb = last_thread_mb - h->param.i_slice_min_mbs;
3171 }
3172 i_slice_num++;
3173 }
3174 else if( h->param.i_slice_count && !h->param.b_sliced_threads )
3175 {
3176 int height = h->mb.i_mb_height >> PARAM_INTERLACED;
3177 int width = h->mb.i_mb_width << PARAM_INTERLACED;
3178 i_slice_num++;
3179 h->sh.i_last_mb = (height * i_slice_num + round_bias) / h->param.i_slice_count * width - 1;
3180 }
3181 }
3182 h->sh.i_last_mb = X264_MIN( h->sh.i_last_mb, last_thread_mb );
3183 if( slice_write( h ) )
3184 goto fail;
3185 h->sh.i_first_mb = h->sh.i_last_mb + 1;
3186 // if i_first_mb is not the last mb in a row then go to the next mb in MBAFF order
3187 if( SLICE_MBAFF && h->sh.i_first_mb % h->mb.i_mb_width )
3188 h->sh.i_first_mb -= h->mb.i_mb_stride;
3189 }
3190
3191 return (void *)0;
3192
3193 fail:
3194 /* Tell other threads we're done, so they wouldn't wait for it */
3195 if( h->param.b_sliced_threads )
3196 x264_threadslice_cond_broadcast( h, 2 );
3197 return (void *)-1;
3198 }
3199
threaded_slices_write(x264_t * h)3200 static int threaded_slices_write( x264_t *h )
3201 {
3202 int round_bias = h->param.i_avcintra_class ? 0 : h->param.i_slice_count/2;
3203
3204 /* set first/last mb and sync contexts */
3205 for( int i = 0; i < h->param.i_threads; i++ )
3206 {
3207 x264_t *t = h->thread[i];
3208 if( i )
3209 {
3210 t->param = h->param;
3211 memcpy( &t->i_frame, &h->i_frame, offsetof(x264_t, rc) - offsetof(x264_t, i_frame) );
3212 }
3213 int height = h->mb.i_mb_height >> PARAM_INTERLACED;
3214 t->i_threadslice_start = ((height * i + round_bias) / h->param.i_threads) << PARAM_INTERLACED;
3215 t->i_threadslice_end = ((height * (i+1) + round_bias) / h->param.i_threads) << PARAM_INTERLACED;
3216 t->sh.i_first_mb = t->i_threadslice_start * h->mb.i_mb_width;
3217 t->sh.i_last_mb = t->i_threadslice_end * h->mb.i_mb_width - 1;
3218 }
3219
3220 x264_analyse_weight_frame( h, h->mb.i_mb_height*16 + 16 );
3221
3222 x264_threads_distribute_ratecontrol( h );
3223
3224 /* setup */
3225 for( int i = 0; i < h->param.i_threads; i++ )
3226 {
3227 h->thread[i]->i_thread_idx = i;
3228 h->thread[i]->b_thread_active = 1;
3229 x264_threadslice_cond_broadcast( h->thread[i], 0 );
3230 }
3231 /* dispatch */
3232 for( int i = 0; i < h->param.i_threads; i++ )
3233 x264_threadpool_run( h->threadpool, (void*)slices_write, h->thread[i] );
3234 /* wait */
3235 for( int i = 0; i < h->param.i_threads; i++ )
3236 x264_threadslice_cond_wait( h->thread[i], 1 );
3237
3238 x264_threads_merge_ratecontrol( h );
3239
3240 for( int i = 1; i < h->param.i_threads; i++ )
3241 {
3242 x264_t *t = h->thread[i];
3243 for( int j = 0; j < t->out.i_nal; j++ )
3244 {
3245 h->out.nal[h->out.i_nal] = t->out.nal[j];
3246 h->out.i_nal++;
3247 nal_check_buffer( h );
3248 }
3249 /* All entries in stat.frame are ints except for ssd/ssim. */
3250 for( size_t j = 0; j < (offsetof(x264_t,stat.frame.i_ssd) - offsetof(x264_t,stat.frame.i_mv_bits)) / sizeof(int); j++ )
3251 ((int*)&h->stat.frame)[j] += ((int*)&t->stat.frame)[j];
3252 for( int j = 0; j < 3; j++ )
3253 h->stat.frame.i_ssd[j] += t->stat.frame.i_ssd[j];
3254 h->stat.frame.f_ssim += t->stat.frame.f_ssim;
3255 h->stat.frame.i_ssim_cnt += t->stat.frame.i_ssim_cnt;
3256 }
3257
3258 return 0;
3259 }
3260
x264_encoder_intra_refresh(x264_t * h)3261 void x264_encoder_intra_refresh( x264_t *h )
3262 {
3263 h = h->thread[h->i_thread_phase];
3264 h->b_queued_intra_refresh = 1;
3265 }
3266
x264_encoder_invalidate_reference(x264_t * h,int64_t pts)3267 int x264_encoder_invalidate_reference( x264_t *h, int64_t pts )
3268 {
3269 if( h->param.i_bframe )
3270 {
3271 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with B-frames enabled\n" );
3272 return -1;
3273 }
3274 if( h->param.b_intra_refresh )
3275 {
3276 x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with intra refresh enabled\n" );
3277 return -1;
3278 }
3279 h = h->thread[h->i_thread_phase];
3280 if( pts >= h->i_last_idr_pts )
3281 {
3282 for( int i = 0; h->frames.reference[i]; i++ )
3283 if( pts <= h->frames.reference[i]->i_pts )
3284 h->frames.reference[i]->b_corrupt = 1;
3285 if( pts <= h->fdec->i_pts )
3286 h->fdec->b_corrupt = 1;
3287 }
3288 return 0;
3289 }
3290
3291 /****************************************************************************
3292 * x264_encoder_encode:
3293 * XXX: i_poc : is the poc of the current given picture
3294 * i_frame : is the number of the frame being coded
3295 * ex: type frame poc
3296 * I 0 2*0
3297 * P 1 2*3
3298 * B 2 2*1
3299 * B 3 2*2
3300 * P 4 2*6
3301 * B 5 2*4
3302 * B 6 2*5
3303 ****************************************************************************/
x264_encoder_encode(x264_t * h,x264_nal_t ** pp_nal,int * pi_nal,x264_picture_t * pic_in,x264_picture_t * pic_out)3304 int x264_encoder_encode( x264_t *h,
3305 x264_nal_t **pp_nal, int *pi_nal,
3306 x264_picture_t *pic_in,
3307 x264_picture_t *pic_out )
3308 {
3309 x264_t *thread_current, *thread_prev, *thread_oldest;
3310 int i_nal_type, i_nal_ref_idc, i_global_qp;
3311 int overhead = NALU_OVERHEAD;
3312
3313 #if HAVE_OPENCL
3314 if( h->opencl.b_fatal_error )
3315 return -1;
3316 #endif
3317
3318 if( h->i_thread_frames > 1 )
3319 {
3320 thread_prev = h->thread[ h->i_thread_phase ];
3321 h->i_thread_phase = (h->i_thread_phase + 1) % h->i_thread_frames;
3322 thread_current = h->thread[ h->i_thread_phase ];
3323 thread_oldest = h->thread[ (h->i_thread_phase + 1) % h->i_thread_frames ];
3324 thread_sync_context( thread_current, thread_prev );
3325 x264_thread_sync_ratecontrol( thread_current, thread_prev, thread_oldest );
3326 h = thread_current;
3327 }
3328 else
3329 {
3330 thread_current =
3331 thread_oldest = h;
3332 }
3333 h->i_cpb_delay_pir_offset = h->i_cpb_delay_pir_offset_next;
3334
3335 /* no data out */
3336 *pi_nal = 0;
3337 *pp_nal = NULL;
3338
3339 /* ------------------- Setup new frame from picture -------------------- */
3340 if( pic_in != NULL )
3341 {
3342 if( h->lookahead->b_exit_thread )
3343 {
3344 x264_log( h, X264_LOG_ERROR, "lookahead thread is already stopped\n" );
3345 return -1;
3346 }
3347
3348 /* 1: Copy the picture to a frame and move it to a buffer */
3349 x264_frame_t *fenc = x264_frame_pop_unused( h, 0 );
3350 if( !fenc )
3351 return -1;
3352
3353 if( x264_frame_copy_picture( h, fenc, pic_in ) < 0 )
3354 return -1;
3355
3356 if( h->param.i_width != 16 * h->mb.i_mb_width ||
3357 h->param.i_height != 16 * h->mb.i_mb_height )
3358 x264_frame_expand_border_mod16( h, fenc );
3359
3360 fenc->i_frame = h->frames.i_input++;
3361
3362 if( fenc->i_frame == 0 )
3363 h->frames.i_first_pts = fenc->i_pts;
3364 if( h->frames.i_bframe_delay && fenc->i_frame == h->frames.i_bframe_delay )
3365 h->frames.i_bframe_delay_time = fenc->i_pts - h->frames.i_first_pts;
3366
3367 if( h->param.b_vfr_input && fenc->i_pts <= h->frames.i_largest_pts )
3368 x264_log( h, X264_LOG_WARNING, "non-strictly-monotonic PTS\n" );
3369
3370 h->frames.i_second_largest_pts = h->frames.i_largest_pts;
3371 h->frames.i_largest_pts = fenc->i_pts;
3372
3373 if( (fenc->i_pic_struct < PIC_STRUCT_AUTO) || (fenc->i_pic_struct > PIC_STRUCT_TRIPLE) )
3374 fenc->i_pic_struct = PIC_STRUCT_AUTO;
3375
3376 if( fenc->i_pic_struct == PIC_STRUCT_AUTO )
3377 {
3378 #if HAVE_INTERLACED
3379 int b_interlaced = fenc->param ? fenc->param->b_interlaced : h->param.b_interlaced;
3380 #else
3381 int b_interlaced = 0;
3382 #endif
3383 if( b_interlaced )
3384 {
3385 int b_tff = fenc->param ? fenc->param->b_tff : h->param.b_tff;
3386 fenc->i_pic_struct = b_tff ? PIC_STRUCT_TOP_BOTTOM : PIC_STRUCT_BOTTOM_TOP;
3387 }
3388 else
3389 fenc->i_pic_struct = PIC_STRUCT_PROGRESSIVE;
3390 }
3391
3392 if( h->param.rc.b_mb_tree && h->param.rc.b_stat_read )
3393 {
3394 if( x264_macroblock_tree_read( h, fenc, pic_in->prop.quant_offsets ) )
3395 return -1;
3396 }
3397 else
3398 x264_adaptive_quant_frame( h, fenc, pic_in->prop.quant_offsets );
3399
3400 if( pic_in->prop.quant_offsets_free )
3401 pic_in->prop.quant_offsets_free( pic_in->prop.quant_offsets );
3402
3403 if( h->frames.b_have_lowres )
3404 x264_frame_init_lowres( h, fenc );
3405
3406 /* 2: Place the frame into the queue for its slice type decision */
3407 x264_lookahead_put_frame( h, fenc );
3408
3409 if( h->frames.i_input <= h->frames.i_delay + 1 - h->i_thread_frames )
3410 {
3411 /* Nothing yet to encode, waiting for filling of buffers */
3412 pic_out->i_type = X264_TYPE_AUTO;
3413 return 0;
3414 }
3415 }
3416 else
3417 {
3418 /* signal kills for lookahead thread */
3419 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
3420 h->lookahead->b_exit_thread = 1;
3421 x264_pthread_cond_broadcast( &h->lookahead->ifbuf.cv_fill );
3422 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
3423 }
3424
3425 h->i_frame++;
3426 /* 3: The picture is analyzed in the lookahead */
3427 if( !h->frames.current[0] )
3428 x264_lookahead_get_frames( h );
3429
3430 if( !h->frames.current[0] && x264_lookahead_is_empty( h ) )
3431 return encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
3432
3433 /* ------------------- Get frame to be encoded ------------------------- */
3434 /* 4: get picture to encode */
3435 h->fenc = x264_frame_shift( h->frames.current );
3436
3437 /* If applicable, wait for previous frame reconstruction to finish */
3438 if( h->param.b_sliced_threads )
3439 if( threadpool_wait_all( h ) < 0 )
3440 return -1;
3441
3442 if( h->i_frame == 0 )
3443 h->i_reordered_pts_delay = h->fenc->i_reordered_pts;
3444 if( h->reconfig )
3445 {
3446 x264_encoder_reconfig_apply( h, &h->reconfig_h->param );
3447 h->reconfig = 0;
3448 }
3449 if( h->fenc->param )
3450 {
3451 x264_encoder_reconfig_apply( h, h->fenc->param );
3452 if( h->fenc->param->param_free )
3453 {
3454 x264_param_cleanup( h->fenc->param );
3455 h->fenc->param->param_free( h->fenc->param );
3456 h->fenc->param = NULL;
3457 }
3458 }
3459 x264_ratecontrol_zone_init( h );
3460
3461 // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0
3462 if( reference_update( h ) )
3463 return -1;
3464 h->fdec->i_lines_completed = -1;
3465
3466 if( !IS_X264_TYPE_I( h->fenc->i_type ) )
3467 {
3468 int valid_refs_left = 0;
3469 for( int i = 0; h->frames.reference[i]; i++ )
3470 if( !h->frames.reference[i]->b_corrupt )
3471 valid_refs_left++;
3472 /* No valid reference frames left: force an IDR. */
3473 if( !valid_refs_left )
3474 {
3475 h->fenc->b_keyframe = 1;
3476 h->fenc->i_type = X264_TYPE_IDR;
3477 }
3478 }
3479
3480 if( h->fenc->b_keyframe )
3481 {
3482 h->frames.i_last_keyframe = h->fenc->i_frame;
3483 if( h->fenc->i_type == X264_TYPE_IDR )
3484 {
3485 h->i_frame_num = 0;
3486 h->frames.i_last_idr = h->fenc->i_frame;
3487 }
3488 }
3489 h->sh.i_mmco_command_count =
3490 h->sh.i_mmco_remove_from_end = 0;
3491 h->b_ref_reorder[0] =
3492 h->b_ref_reorder[1] = 0;
3493 h->fdec->i_poc =
3494 h->fenc->i_poc = 2 * ( h->fenc->i_frame - X264_MAX( h->frames.i_last_idr, 0 ) );
3495
3496 /* ------------------- Setup frame context ----------------------------- */
3497 /* 5: Init data dependent of frame type */
3498 if( h->fenc->i_type == X264_TYPE_IDR )
3499 {
3500 /* reset ref pictures */
3501 i_nal_type = NAL_SLICE_IDR;
3502 i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
3503 h->sh.i_type = SLICE_TYPE_I;
3504 reference_reset( h );
3505 h->frames.i_poc_last_open_gop = -1;
3506 }
3507 else if( h->fenc->i_type == X264_TYPE_I )
3508 {
3509 i_nal_type = NAL_SLICE;
3510 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
3511 h->sh.i_type = SLICE_TYPE_I;
3512 reference_hierarchy_reset( h );
3513 if( h->param.b_open_gop )
3514 h->frames.i_poc_last_open_gop = h->fenc->b_keyframe ? h->fenc->i_poc : -1;
3515 }
3516 else if( h->fenc->i_type == X264_TYPE_P )
3517 {
3518 i_nal_type = NAL_SLICE;
3519 i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
3520 h->sh.i_type = SLICE_TYPE_P;
3521 reference_hierarchy_reset( h );
3522 h->frames.i_poc_last_open_gop = -1;
3523 }
3524 else if( h->fenc->i_type == X264_TYPE_BREF )
3525 {
3526 i_nal_type = NAL_SLICE;
3527 i_nal_ref_idc = h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT ? NAL_PRIORITY_LOW : NAL_PRIORITY_HIGH;
3528 h->sh.i_type = SLICE_TYPE_B;
3529 reference_hierarchy_reset( h );
3530 }
3531 else /* B frame */
3532 {
3533 i_nal_type = NAL_SLICE;
3534 i_nal_ref_idc = NAL_PRIORITY_DISPOSABLE;
3535 h->sh.i_type = SLICE_TYPE_B;
3536 }
3537
3538 h->fdec->i_type = h->fenc->i_type;
3539 h->fdec->i_frame = h->fenc->i_frame;
3540 h->fenc->b_kept_as_ref =
3541 h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1;
3542
3543 h->fdec->mb_info = h->fenc->mb_info;
3544 h->fdec->mb_info_free = h->fenc->mb_info_free;
3545 h->fenc->mb_info = NULL;
3546 h->fenc->mb_info_free = NULL;
3547
3548 h->fdec->i_pts = h->fenc->i_pts;
3549 if( h->frames.i_bframe_delay )
3550 {
3551 int64_t *prev_reordered_pts = thread_current->frames.i_prev_reordered_pts;
3552 h->fdec->i_dts = h->i_frame > h->frames.i_bframe_delay
3553 ? prev_reordered_pts[ (h->i_frame - h->frames.i_bframe_delay) % h->frames.i_bframe_delay ]
3554 : h->fenc->i_reordered_pts - h->frames.i_bframe_delay_time;
3555 prev_reordered_pts[ h->i_frame % h->frames.i_bframe_delay ] = h->fenc->i_reordered_pts;
3556 }
3557 else
3558 h->fdec->i_dts = h->fenc->i_reordered_pts;
3559 if( h->fenc->i_type == X264_TYPE_IDR )
3560 h->i_last_idr_pts = h->fdec->i_pts;
3561
3562 /* ------------------- Init ----------------------------- */
3563 /* build ref list 0/1 */
3564 reference_build_list( h, h->fdec->i_poc );
3565
3566 /* ---------------------- Write the bitstream -------------------------- */
3567 /* Init bitstream context */
3568 if( h->param.b_sliced_threads )
3569 {
3570 for( int i = 0; i < h->param.i_threads; i++ )
3571 {
3572 bs_init( &h->thread[i]->out.bs, h->thread[i]->out.p_bitstream, h->thread[i]->out.i_bitstream );
3573 h->thread[i]->out.i_nal = 0;
3574 }
3575 }
3576 else
3577 {
3578 bs_init( &h->out.bs, h->out.p_bitstream, h->out.i_bitstream );
3579 h->out.i_nal = 0;
3580 }
3581
3582 if( h->param.b_aud )
3583 {
3584 int pic_type;
3585
3586 if( h->sh.i_type == SLICE_TYPE_I )
3587 pic_type = 0;
3588 else if( h->sh.i_type == SLICE_TYPE_P )
3589 pic_type = 1;
3590 else if( h->sh.i_type == SLICE_TYPE_B )
3591 pic_type = 2;
3592 else
3593 pic_type = 7;
3594
3595 nal_start( h, NAL_AUD, NAL_PRIORITY_DISPOSABLE );
3596 bs_write( &h->out.bs, 3, pic_type );
3597 bs_rbsp_trailing( &h->out.bs );
3598 bs_flush( &h->out.bs );
3599 if( nal_end( h ) )
3600 return -1;
3601 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
3602 }
3603
3604 h->i_nal_type = i_nal_type;
3605 h->i_nal_ref_idc = i_nal_ref_idc;
3606
3607 if( h->param.b_intra_refresh )
3608 {
3609 if( IS_X264_TYPE_I( h->fenc->i_type ) )
3610 {
3611 h->fdec->i_frames_since_pir = 0;
3612 h->b_queued_intra_refresh = 0;
3613 /* PIR is currently only supported with ref == 1, so any intra frame effectively refreshes
3614 * the whole frame and counts as an intra refresh. */
3615 h->fdec->f_pir_position = h->mb.i_mb_width;
3616 }
3617 else if( h->fenc->i_type == X264_TYPE_P )
3618 {
3619 int pocdiff = (h->fdec->i_poc - h->fref[0][0]->i_poc)/2;
3620 float increment = X264_MAX( ((float)h->mb.i_mb_width-1) / h->param.i_keyint_max, 1 );
3621 h->fdec->f_pir_position = h->fref[0][0]->f_pir_position;
3622 h->fdec->i_frames_since_pir = h->fref[0][0]->i_frames_since_pir + pocdiff;
3623 if( h->fdec->i_frames_since_pir >= h->param.i_keyint_max ||
3624 (h->b_queued_intra_refresh && h->fdec->f_pir_position + 0.5 >= h->mb.i_mb_width) )
3625 {
3626 h->fdec->f_pir_position = 0;
3627 h->fdec->i_frames_since_pir = 0;
3628 h->b_queued_intra_refresh = 0;
3629 h->fenc->b_keyframe = 1;
3630 }
3631 h->fdec->i_pir_start_col = h->fdec->f_pir_position+0.5;
3632 h->fdec->f_pir_position += increment * pocdiff;
3633 h->fdec->i_pir_end_col = h->fdec->f_pir_position+0.5;
3634 /* If our intra refresh has reached the right side of the frame, we're done. */
3635 if( h->fdec->i_pir_end_col >= h->mb.i_mb_width - 1 )
3636 {
3637 h->fdec->f_pir_position = h->mb.i_mb_width;
3638 h->fdec->i_pir_end_col = h->mb.i_mb_width - 1;
3639 }
3640 }
3641 }
3642
3643 if( h->fenc->b_keyframe )
3644 {
3645 /* Write SPS and PPS */
3646 if( h->param.b_repeat_headers )
3647 {
3648 /* generate sequence parameters */
3649 nal_start( h, NAL_SPS, NAL_PRIORITY_HIGHEST );
3650 x264_sps_write( &h->out.bs, h->sps );
3651 if( nal_end( h ) )
3652 return -1;
3653 /* Pad AUD/SPS to 256 bytes like Panasonic */
3654 if( h->param.i_avcintra_class )
3655 h->out.nal[h->out.i_nal-1].i_padding = 256 - bs_pos( &h->out.bs ) / 8 - 2*NALU_OVERHEAD;
3656 overhead += h->out.nal[h->out.i_nal-1].i_payload + h->out.nal[h->out.i_nal-1].i_padding + NALU_OVERHEAD;
3657
3658 /* generate picture parameters */
3659 nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
3660 x264_pps_write( &h->out.bs, h->sps, h->pps );
3661 if( nal_end( h ) )
3662 return -1;
3663 if( h->param.i_avcintra_class )
3664 {
3665 int total_len = 256;
3666 /* Sony XAVC uses an oversized PPS instead of SEI padding */
3667 if( h->param.i_avcintra_flavor == X264_AVCINTRA_FLAVOR_SONY )
3668 total_len += h->param.i_height == 1080 ? 18*512 : 10*512;
3669 h->out.nal[h->out.i_nal-1].i_padding = total_len - h->out.nal[h->out.i_nal-1].i_payload - NALU_OVERHEAD;
3670 }
3671 overhead += h->out.nal[h->out.i_nal-1].i_payload + h->out.nal[h->out.i_nal-1].i_padding + NALU_OVERHEAD;
3672 }
3673
3674 /* when frame threading is used, buffering period sei is written in encoder_frame_end */
3675 if( h->i_thread_frames == 1 && h->sps->vui.b_nal_hrd_parameters_present )
3676 {
3677 x264_hrd_fullness( h );
3678 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3679 x264_sei_buffering_period_write( h, &h->out.bs );
3680 if( nal_end( h ) )
3681 return -1;
3682 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3683 }
3684 }
3685
3686 /* write extra sei */
3687 for( int i = 0; i < h->fenc->extra_sei.num_payloads; i++ )
3688 {
3689 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3690 x264_sei_write( &h->out.bs, h->fenc->extra_sei.payloads[i].payload, h->fenc->extra_sei.payloads[i].payload_size,
3691 h->fenc->extra_sei.payloads[i].payload_type );
3692 if( nal_end( h ) )
3693 return -1;
3694 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3695 if( h->fenc->extra_sei.sei_free )
3696 {
3697 h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads[i].payload );
3698 h->fenc->extra_sei.payloads[i].payload = NULL;
3699 }
3700 }
3701
3702 if( h->fenc->extra_sei.sei_free )
3703 {
3704 h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads );
3705 h->fenc->extra_sei.payloads = NULL;
3706 h->fenc->extra_sei.sei_free = NULL;
3707 }
3708
3709 if( h->fenc->b_keyframe )
3710 {
3711 /* Avid's decoder strictly wants two SEIs for AVC-Intra so we can't insert the x264 SEI */
3712 if( h->param.b_repeat_headers && h->fenc->i_frame == 0 && !h->param.i_avcintra_class )
3713 {
3714 /* identify ourself */
3715 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3716 if( x264_sei_version_write( h, &h->out.bs ) )
3717 return -1;
3718 if( nal_end( h ) )
3719 return -1;
3720 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3721 }
3722
3723 if( h->fenc->i_type != X264_TYPE_IDR )
3724 {
3725 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;
3726 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3727 x264_sei_recovery_point_write( h, &h->out.bs, time_to_recovery );
3728 if( nal_end( h ) )
3729 return -1;
3730 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3731 }
3732
3733 if( h->param.mastering_display.b_mastering_display )
3734 {
3735 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3736 x264_sei_mastering_display_write( h, &h->out.bs );
3737 if( nal_end( h ) )
3738 return -1;
3739 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3740 }
3741
3742 if( h->param.content_light_level.b_cll )
3743 {
3744 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3745 x264_sei_content_light_level_write( h, &h->out.bs );
3746 if( nal_end( h ) )
3747 return -1;
3748 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3749 }
3750
3751 if( h->param.i_alternative_transfer != 2 )
3752 {
3753 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3754 x264_sei_alternative_transfer_write( h, &h->out.bs );
3755 if( nal_end( h ) )
3756 return -1;
3757 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3758 }
3759 }
3760
3761 if( h->param.i_frame_packing >= 0 && (h->fenc->b_keyframe || h->param.i_frame_packing == 5) )
3762 {
3763 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3764 x264_sei_frame_packing_write( h, &h->out.bs );
3765 if( nal_end( h ) )
3766 return -1;
3767 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3768 }
3769
3770 /* generate sei pic timing */
3771 if( h->sps->vui.b_pic_struct_present || h->sps->vui.b_nal_hrd_parameters_present )
3772 {
3773 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3774 x264_sei_pic_timing_write( h, &h->out.bs );
3775 if( nal_end( h ) )
3776 return -1;
3777 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3778 }
3779
3780 /* As required by Blu-ray. */
3781 if( !IS_X264_TYPE_B( h->fenc->i_type ) && h->b_sh_backup )
3782 {
3783 h->b_sh_backup = 0;
3784 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3785 x264_sei_dec_ref_pic_marking_write( h, &h->out.bs );
3786 if( nal_end( h ) )
3787 return -1;
3788 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3789 }
3790
3791 if( h->fenc->b_keyframe && h->param.b_intra_refresh )
3792 h->i_cpb_delay_pir_offset_next = h->fenc->i_cpb_delay;
3793
3794 /* Filler space: 10 or 18 SEIs' worth of space, depending on resolution */
3795 if( h->param.i_avcintra_class && h->param.i_avcintra_flavor != X264_AVCINTRA_FLAVOR_SONY )
3796 {
3797 /* Write an empty filler NAL to mimic the AUD in the P2 format*/
3798 nal_start( h, NAL_FILLER, NAL_PRIORITY_DISPOSABLE );
3799 x264_filler_write( h, &h->out.bs, 0 );
3800 if( nal_end( h ) )
3801 return -1;
3802 overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
3803
3804 /* All lengths are magic lengths that decoders expect to see */
3805 /* "UMID" SEI */
3806 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3807 if( x264_sei_avcintra_umid_write( h, &h->out.bs ) < 0 )
3808 return -1;
3809 if( nal_end( h ) )
3810 return -1;
3811 overhead += h->out.nal[h->out.i_nal-1].i_payload + SEI_OVERHEAD;
3812
3813 int unpadded_len;
3814 int total_len;
3815 if( h->param.i_height == 1080 )
3816 {
3817 unpadded_len = 5780;
3818 total_len = 17*512;
3819 }
3820 else
3821 {
3822 unpadded_len = 2900;
3823 total_len = 9*512;
3824 }
3825 /* "VANC" SEI */
3826 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3827 if( x264_sei_avcintra_vanc_write( h, &h->out.bs, unpadded_len ) < 0 )
3828 return -1;
3829 if( nal_end( h ) )
3830 return -1;
3831
3832 h->out.nal[h->out.i_nal-1].i_padding = total_len - h->out.nal[h->out.i_nal-1].i_payload - SEI_OVERHEAD;
3833 overhead += h->out.nal[h->out.i_nal-1].i_payload + h->out.nal[h->out.i_nal-1].i_padding + SEI_OVERHEAD;
3834 }
3835
3836 /* Init the rate control */
3837 /* FIXME: Include slice header bit cost. */
3838 x264_ratecontrol_start( h, h->fenc->i_qpplus1, overhead*8 );
3839 i_global_qp = x264_ratecontrol_qp( h );
3840
3841 pic_out->i_qpplus1 =
3842 h->fdec->i_qpplus1 = i_global_qp + 1;
3843
3844 if( h->param.rc.b_stat_read && h->sh.i_type != SLICE_TYPE_I )
3845 {
3846 x264_reference_build_list_optimal( h );
3847 reference_check_reorder( h );
3848 }
3849
3850 if( h->i_ref[0] )
3851 h->fdec->i_poc_l0ref0 = h->fref[0][0]->i_poc;
3852
3853 /* ------------------------ Create slice header ----------------------- */
3854 slice_init( h, i_nal_type, i_global_qp );
3855
3856 /*------------------------- Weights -------------------------------------*/
3857 if( h->sh.i_type == SLICE_TYPE_B )
3858 x264_macroblock_bipred_init( h );
3859
3860 weighted_pred_init( h );
3861
3862 if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
3863 h->i_frame_num++;
3864
3865 /* Write frame */
3866 h->i_threadslice_start = 0;
3867 h->i_threadslice_end = h->mb.i_mb_height;
3868 if( h->i_thread_frames > 1 )
3869 {
3870 x264_threadpool_run( h->threadpool, (void*)slices_write, h );
3871 h->b_thread_active = 1;
3872 }
3873 else if( h->param.b_sliced_threads )
3874 {
3875 if( threaded_slices_write( h ) )
3876 return -1;
3877 }
3878 else
3879 if( (intptr_t)slices_write( h ) )
3880 return -1;
3881
3882 return encoder_frame_end( thread_oldest, thread_current, pp_nal, pi_nal, pic_out );
3883 }
3884
encoder_frame_end(x264_t * h,x264_t * thread_current,x264_nal_t ** pp_nal,int * pi_nal,x264_picture_t * pic_out)3885 static int encoder_frame_end( x264_t *h, x264_t *thread_current,
3886 x264_nal_t **pp_nal, int *pi_nal,
3887 x264_picture_t *pic_out )
3888 {
3889 char psz_message[80];
3890
3891 if( !h->param.b_sliced_threads && h->b_thread_active )
3892 {
3893 h->b_thread_active = 0;
3894 if( (intptr_t)x264_threadpool_wait( h->threadpool, h ) )
3895 return -1;
3896 }
3897 if( !h->out.i_nal )
3898 {
3899 pic_out->i_type = X264_TYPE_AUTO;
3900 return 0;
3901 }
3902
3903 x264_emms();
3904
3905 /* generate buffering period sei and insert it into place */
3906 if( h->i_thread_frames > 1 && h->fenc->b_keyframe && h->sps->vui.b_nal_hrd_parameters_present )
3907 {
3908 x264_hrd_fullness( h );
3909 nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
3910 x264_sei_buffering_period_write( h, &h->out.bs );
3911 if( nal_end( h ) )
3912 return -1;
3913 /* buffering period sei must follow AUD, SPS and PPS and precede all other SEIs */
3914 int idx = 0;
3915 while( h->out.nal[idx].i_type == NAL_AUD ||
3916 h->out.nal[idx].i_type == NAL_SPS ||
3917 h->out.nal[idx].i_type == NAL_PPS )
3918 idx++;
3919 x264_nal_t nal_tmp = h->out.nal[h->out.i_nal-1];
3920 memmove( &h->out.nal[idx+1], &h->out.nal[idx], (h->out.i_nal-idx-1)*sizeof(x264_nal_t) );
3921 h->out.nal[idx] = nal_tmp;
3922 }
3923
3924 int frame_size = encoder_encapsulate_nals( h, 0 );
3925 if( frame_size < 0 )
3926 return -1;
3927
3928 /* Set output picture properties */
3929 pic_out->i_type = h->fenc->i_type;
3930
3931 pic_out->b_keyframe = h->fenc->b_keyframe;
3932 pic_out->i_pic_struct = h->fenc->i_pic_struct;
3933
3934 pic_out->i_pts = h->fdec->i_pts;
3935 pic_out->i_dts = h->fdec->i_dts;
3936
3937 if( pic_out->i_pts < pic_out->i_dts )
3938 x264_log( h, X264_LOG_WARNING, "invalid DTS: PTS is less than DTS\n" );
3939
3940 pic_out->opaque = h->fenc->opaque;
3941
3942 pic_out->img.i_csp = h->fdec->i_csp;
3943 #if HIGH_BIT_DEPTH
3944 pic_out->img.i_csp |= X264_CSP_HIGH_DEPTH;
3945 #endif
3946 pic_out->img.i_plane = h->fdec->i_plane;
3947 for( int i = 0; i < pic_out->img.i_plane; i++ )
3948 {
3949 pic_out->img.i_stride[i] = h->fdec->i_stride[i] * SIZEOF_PIXEL;
3950 pic_out->img.plane[i] = (uint8_t*)h->fdec->plane[i];
3951 }
3952
3953 x264_frame_push_unused( thread_current, h->fenc );
3954
3955 /* ---------------------- Update encoder state ------------------------- */
3956
3957 /* update rc */
3958 int filler = 0;
3959 if( x264_ratecontrol_end( h, frame_size * 8, &filler ) < 0 )
3960 return -1;
3961
3962 pic_out->hrd_timing = h->fenc->hrd_timing;
3963 pic_out->prop.f_crf_avg = h->fdec->f_crf_avg;
3964
3965 /* Filler in AVC-Intra mode is written as zero bytes to the last slice
3966 * We don't know the size of the last slice until encapsulation so we add filler to the encapsulated NAL */
3967 if( h->param.i_avcintra_class )
3968 {
3969 if( check_encapsulated_buffer( h, h->thread[0], h->out.i_nal, frame_size, (int64_t)frame_size + filler ) < 0 )
3970 return -1;
3971
3972 x264_nal_t *nal = &h->out.nal[h->out.i_nal-1];
3973 memset( nal->p_payload + nal->i_payload, 0, filler );
3974 nal->i_payload += filler;
3975 nal->i_padding = filler;
3976 frame_size += filler;
3977
3978 /* Fix up the size header for mp4/etc */
3979 if( !h->param.b_annexb )
3980 {
3981 /* Size doesn't include the size of the header we're writing now. */
3982 uint8_t *nal_data = nal->p_payload;
3983 int chunk_size = nal->i_payload - 4;
3984 nal_data[0] = chunk_size >> 24;
3985 nal_data[1] = chunk_size >> 16;
3986 nal_data[2] = chunk_size >> 8;
3987 nal_data[3] = chunk_size >> 0;
3988 }
3989 }
3990 else
3991 {
3992 while( filler > 0 )
3993 {
3994 int f, overhead = FILLER_OVERHEAD - h->param.b_annexb;
3995 if( h->param.i_slice_max_size && filler > h->param.i_slice_max_size )
3996 {
3997 int next_size = filler - h->param.i_slice_max_size;
3998 int overflow = X264_MAX( overhead - next_size, 0 );
3999 f = h->param.i_slice_max_size - overhead - overflow;
4000 }
4001 else
4002 f = X264_MAX( 0, filler - overhead );
4003
4004 if( bitstream_check_buffer_filler( h, f ) )
4005 return -1;
4006 nal_start( h, NAL_FILLER, NAL_PRIORITY_DISPOSABLE );
4007 x264_filler_write( h, &h->out.bs, f );
4008 if( nal_end( h ) )
4009 return -1;
4010 int total_size = encoder_encapsulate_nals( h, h->out.i_nal-1 );
4011 if( total_size < 0 )
4012 return -1;
4013 frame_size += total_size;
4014 filler -= total_size;
4015 }
4016 }
4017
4018 /* End bitstream, set output */
4019 *pi_nal = h->out.i_nal;
4020 *pp_nal = h->out.nal;
4021
4022 h->out.i_nal = 0;
4023
4024 x264_noise_reduction_update( h );
4025
4026 /* ---------------------- Compute/Print statistics --------------------- */
4027 thread_sync_stat( h, h->thread[0] );
4028
4029 /* Slice stat */
4030 h->stat.i_frame_count[h->sh.i_type]++;
4031 h->stat.i_frame_size[h->sh.i_type] += frame_size;
4032 h->stat.f_frame_qp[h->sh.i_type] += h->fdec->f_qp_avg_aq;
4033
4034 for( int i = 0; i < X264_MBTYPE_MAX; i++ )
4035 h->stat.i_mb_count[h->sh.i_type][i] += h->stat.frame.i_mb_count[i];
4036 for( int i = 0; i < 2; i++ )
4037 h->stat.i_mb_count_8x8dct[i] += h->stat.frame.i_mb_count_8x8dct[i];
4038 for( int i = 0; i < 6; i++ )
4039 h->stat.i_mb_cbp[i] += h->stat.frame.i_mb_cbp[i];
4040 for( int i = 0; i < 4; i++ )
4041 for( int j = 0; j < 13; j++ )
4042 h->stat.i_mb_pred_mode[i][j] += h->stat.frame.i_mb_pred_mode[i][j];
4043 if( h->sh.i_type != SLICE_TYPE_I )
4044 {
4045 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
4046 h->stat.i_mb_partition[h->sh.i_type][i] += h->stat.frame.i_mb_partition[i];
4047 for( int i_list = 0; i_list < 2; i_list++ )
4048 for( int i = 0; i < X264_REF_MAX*2; i++ )
4049 h->stat.i_mb_count_ref[h->sh.i_type][i_list][i] += h->stat.frame.i_mb_count_ref[i_list][i];
4050 }
4051 for( int i = 0; i < 3; i++ )
4052 h->stat.i_mb_field[i] += h->stat.frame.i_mb_field[i];
4053 if( h->sh.i_type == SLICE_TYPE_P && h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
4054 {
4055 h->stat.i_wpred[0] += !!h->sh.weight[0][0].weightfn;
4056 h->stat.i_wpred[1] += !!h->sh.weight[0][1].weightfn || !!h->sh.weight[0][2].weightfn;
4057 }
4058 if( h->sh.i_type == SLICE_TYPE_B )
4059 {
4060 h->stat.i_direct_frames[ h->sh.b_direct_spatial_mv_pred ] ++;
4061 if( h->mb.b_direct_auto_write )
4062 {
4063 //FIXME somewhat arbitrary time constants
4064 if( h->stat.i_direct_score[0] + h->stat.i_direct_score[1] > h->mb.i_mb_count )
4065 for( int i = 0; i < 2; i++ )
4066 h->stat.i_direct_score[i] = h->stat.i_direct_score[i] * 9/10;
4067 for( int i = 0; i < 2; i++ )
4068 h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i];
4069 }
4070 }
4071 else
4072 h->stat.i_consecutive_bframes[h->fenc->i_bframes]++;
4073
4074 psz_message[0] = '\0';
4075 double dur = h->fenc->f_duration;
4076 h->stat.f_frame_duration[h->sh.i_type] += dur;
4077 if( h->param.analyse.b_psnr )
4078 {
4079 int64_t ssd[3] =
4080 {
4081 h->stat.frame.i_ssd[0],
4082 h->stat.frame.i_ssd[1],
4083 h->stat.frame.i_ssd[2],
4084 };
4085 int luma_size = h->param.i_width * h->param.i_height;
4086 int chroma_size = CHROMA_SIZE( luma_size );
4087 pic_out->prop.f_psnr[0] = calc_psnr( ssd[0], luma_size );
4088 pic_out->prop.f_psnr[1] = calc_psnr( ssd[1], chroma_size );
4089 pic_out->prop.f_psnr[2] = calc_psnr( ssd[2], chroma_size );
4090 pic_out->prop.f_psnr_avg = calc_psnr( ssd[0] + ssd[1] + ssd[2], luma_size + chroma_size*2 );
4091
4092 h->stat.f_ssd_global[h->sh.i_type] += dur * (ssd[0] + ssd[1] + ssd[2]);
4093 h->stat.f_psnr_average[h->sh.i_type] += dur * pic_out->prop.f_psnr_avg;
4094 h->stat.f_psnr_mean_y[h->sh.i_type] += dur * pic_out->prop.f_psnr[0];
4095 h->stat.f_psnr_mean_u[h->sh.i_type] += dur * pic_out->prop.f_psnr[1];
4096 h->stat.f_psnr_mean_v[h->sh.i_type] += dur * pic_out->prop.f_psnr[2];
4097
4098 snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f", pic_out->prop.f_psnr[0],
4099 pic_out->prop.f_psnr[1],
4100 pic_out->prop.f_psnr[2] );
4101 }
4102
4103 if( h->param.analyse.b_ssim )
4104 {
4105 pic_out->prop.f_ssim = h->stat.frame.f_ssim / h->stat.frame.i_ssim_cnt;
4106 h->stat.f_ssim_mean_y[h->sh.i_type] += pic_out->prop.f_ssim * dur;
4107 int msg_len = strlen(psz_message);
4108 snprintf( psz_message + msg_len, 80 - msg_len, " SSIM Y:%.5f", pic_out->prop.f_ssim );
4109 }
4110 psz_message[79] = '\0';
4111
4112 x264_log( h, X264_LOG_DEBUG,
4113 "frame=%4d QP=%.2f NAL=%d Slice:%c Poc:%-3d I:%-4d P:%-4d SKIP:%-4d size=%d bytes%s\n",
4114 h->i_frame,
4115 h->fdec->f_qp_avg_aq,
4116 h->i_nal_ref_idc,
4117 h->sh.i_type == SLICE_TYPE_I ? 'I' : (h->sh.i_type == SLICE_TYPE_P ? 'P' : 'B' ),
4118 h->fdec->i_poc,
4119 h->stat.frame.i_mb_count_i,
4120 h->stat.frame.i_mb_count_p,
4121 h->stat.frame.i_mb_count_skip,
4122 frame_size,
4123 psz_message );
4124
4125 // keep stats all in one place
4126 thread_sync_stat( h->thread[0], h );
4127 // for the use of the next frame
4128 thread_sync_stat( thread_current, h );
4129
4130 #ifdef DEBUG_MB_TYPE
4131 {
4132 static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
4133 'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
4134 for( int mb_xy = 0; mb_xy < h->mb.i_mb_width * h->mb.i_mb_height; mb_xy++ )
4135 {
4136 if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 )
4137 fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
4138 else
4139 fprintf( stderr, "? " );
4140
4141 if( (mb_xy+1) % h->mb.i_mb_width == 0 )
4142 fprintf( stderr, "\n" );
4143 }
4144 }
4145 #endif
4146
4147 /* Remove duplicates, must be done near the end as breaks h->fref0 array
4148 * by freeing some of its pointers. */
4149 for( int i = 0; i < h->i_ref[0]; i++ )
4150 if( h->fref[0][i] && h->fref[0][i]->b_duplicate )
4151 {
4152 x264_frame_push_blank_unused( h, h->fref[0][i] );
4153 h->fref[0][i] = 0;
4154 }
4155
4156 if( h->param.psz_dump_yuv )
4157 frame_dump( h );
4158 x264_emms();
4159
4160 return frame_size;
4161 }
4162
print_intra(int64_t * i_mb_count,double i_count,int b_print_pcm,char * intra)4163 static void print_intra( int64_t *i_mb_count, double i_count, int b_print_pcm, char *intra )
4164 {
4165 intra += sprintf( intra, "I16..4%s: %4.1f%% %4.1f%% %4.1f%%",
4166 b_print_pcm ? "..PCM" : "",
4167 i_mb_count[I_16x16]/ i_count,
4168 i_mb_count[I_8x8] / i_count,
4169 i_mb_count[I_4x4] / i_count );
4170 if( b_print_pcm )
4171 sprintf( intra, " %4.1f%%", i_mb_count[I_PCM] / i_count );
4172 }
4173
4174 /****************************************************************************
4175 * x264_encoder_close:
4176 ****************************************************************************/
x264_encoder_close(x264_t * h)4177 void x264_encoder_close ( x264_t *h )
4178 {
4179 int64_t i_yuv_size = FRAME_SIZE( h->param.i_width * h->param.i_height );
4180 int64_t i_mb_count_size[2][7] = {{0}};
4181 char buf[200];
4182 int b_print_pcm = h->stat.i_mb_count[SLICE_TYPE_I][I_PCM]
4183 || h->stat.i_mb_count[SLICE_TYPE_P][I_PCM]
4184 || h->stat.i_mb_count[SLICE_TYPE_B][I_PCM];
4185
4186 x264_lookahead_delete( h );
4187
4188 #if HAVE_OPENCL
4189 x264_opencl_lookahead_delete( h );
4190 x264_opencl_function_t *ocl = h->opencl.ocl;
4191 #endif
4192
4193 if( h->param.b_sliced_threads )
4194 threadpool_wait_all( h );
4195 if( h->param.i_threads > 1 )
4196 x264_threadpool_delete( h->threadpool );
4197 if( h->param.i_lookahead_threads > 1 )
4198 x264_threadpool_delete( h->lookaheadpool );
4199 if( h->i_thread_frames > 1 )
4200 {
4201 for( int i = 0; i < h->i_thread_frames; i++ )
4202 if( h->thread[i]->b_thread_active )
4203 {
4204 assert( h->thread[i]->fenc->i_reference_count == 1 );
4205 x264_frame_delete( h->thread[i]->fenc );
4206 }
4207
4208 x264_t *thread_prev = h->thread[h->i_thread_phase];
4209 x264_thread_sync_ratecontrol( h, thread_prev, h );
4210 x264_thread_sync_ratecontrol( thread_prev, thread_prev, h );
4211 h->i_frame = thread_prev->i_frame + 1 - h->i_thread_frames;
4212 }
4213 h->i_frame++;
4214
4215 /* Slices used and PSNR */
4216 for( int i = 0; i < 3; i++ )
4217 {
4218 static const uint8_t slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_P, SLICE_TYPE_B };
4219 int i_slice = slice_order[i];
4220
4221 if( h->stat.i_frame_count[i_slice] > 0 )
4222 {
4223 int i_count = h->stat.i_frame_count[i_slice];
4224 double dur = h->stat.f_frame_duration[i_slice];
4225 if( h->param.analyse.b_psnr )
4226 {
4227 x264_log( h, X264_LOG_INFO,
4228 "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",
4229 slice_type_to_char[i_slice],
4230 i_count,
4231 h->stat.f_frame_qp[i_slice] / i_count,
4232 (double)h->stat.i_frame_size[i_slice] / i_count,
4233 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,
4234 h->stat.f_psnr_average[i_slice] / dur,
4235 calc_psnr( h->stat.f_ssd_global[i_slice], dur * i_yuv_size ) );
4236 }
4237 else
4238 {
4239 x264_log( h, X264_LOG_INFO,
4240 "frame %c:%-5d Avg QP:%5.2f size:%6.0f\n",
4241 slice_type_to_char[i_slice],
4242 i_count,
4243 h->stat.f_frame_qp[i_slice] / i_count,
4244 (double)h->stat.i_frame_size[i_slice] / i_count );
4245 }
4246 }
4247 }
4248 if( h->param.i_bframe && h->stat.i_frame_count[SLICE_TYPE_B] )
4249 {
4250 char *p = buf;
4251 int den = 0;
4252 // weight by number of frames (including the I/P-frames) that are in a sequence of N B-frames
4253 for( int i = 0; i <= h->param.i_bframe; i++ )
4254 den += (i+1) * h->stat.i_consecutive_bframes[i];
4255 for( int i = 0; i <= h->param.i_bframe; i++ )
4256 p += sprintf( p, " %4.1f%%", 100. * (i+1) * h->stat.i_consecutive_bframes[i] / den );
4257 x264_log( h, X264_LOG_INFO, "consecutive B-frames:%s\n", buf );
4258 }
4259
4260 for( int i_type = 0; i_type < 2; i_type++ )
4261 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
4262 {
4263 if( i == D_DIRECT_8x8 ) continue; /* direct is counted as its own type */
4264 i_mb_count_size[i_type][x264_mb_partition_pixel_table[i]] += h->stat.i_mb_partition[i_type][i];
4265 }
4266
4267 /* MB types used */
4268 if( h->stat.i_frame_count[SLICE_TYPE_I] > 0 )
4269 {
4270 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_I];
4271 double i_count = (double)h->stat.i_frame_count[SLICE_TYPE_I] * h->mb.i_mb_count / 100.0;
4272 print_intra( i_mb_count, i_count, b_print_pcm, buf );
4273 x264_log( h, X264_LOG_INFO, "mb I %s\n", buf );
4274 }
4275 if( h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
4276 {
4277 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_P];
4278 double i_count = (double)h->stat.i_frame_count[SLICE_TYPE_P] * h->mb.i_mb_count / 100.0;
4279 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_P];
4280 print_intra( i_mb_count, i_count, b_print_pcm, buf );
4281 x264_log( h, X264_LOG_INFO,
4282 "mb P %s P16..4: %4.1f%% %4.1f%% %4.1f%% %4.1f%% %4.1f%% skip:%4.1f%%\n",
4283 buf,
4284 i_mb_size[PIXEL_16x16] / (i_count*4),
4285 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
4286 i_mb_size[PIXEL_8x8] / (i_count*4),
4287 (i_mb_size[PIXEL_8x4] + i_mb_size[PIXEL_4x8]) / (i_count*4),
4288 i_mb_size[PIXEL_4x4] / (i_count*4),
4289 i_mb_count[P_SKIP] / i_count );
4290 }
4291 if( h->stat.i_frame_count[SLICE_TYPE_B] > 0 )
4292 {
4293 int64_t *i_mb_count = h->stat.i_mb_count[SLICE_TYPE_B];
4294 double i_count = (double)h->stat.i_frame_count[SLICE_TYPE_B] * h->mb.i_mb_count / 100.0;
4295 double i_mb_list_count;
4296 int64_t *i_mb_size = i_mb_count_size[SLICE_TYPE_B];
4297 int64_t list_count[3] = {0}; /* 0 == L0, 1 == L1, 2 == BI */
4298 print_intra( i_mb_count, i_count, b_print_pcm, buf );
4299 for( int i = 0; i < X264_PARTTYPE_MAX; i++ )
4300 for( int j = 0; j < 2; j++ )
4301 {
4302 int l0 = x264_mb_type_list_table[i][0][j];
4303 int l1 = x264_mb_type_list_table[i][1][j];
4304 if( l0 || l1 )
4305 list_count[l1+l0*l1] += h->stat.i_mb_count[SLICE_TYPE_B][i] * 2;
4306 }
4307 list_count[0] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L0_8x8];
4308 list_count[1] += h->stat.i_mb_partition[SLICE_TYPE_B][D_L1_8x8];
4309 list_count[2] += h->stat.i_mb_partition[SLICE_TYPE_B][D_BI_8x8];
4310 i_mb_count[B_DIRECT] += (h->stat.i_mb_partition[SLICE_TYPE_B][D_DIRECT_8x8]+2)/4;
4311 i_mb_list_count = (list_count[0] + list_count[1] + list_count[2]) / 100.0;
4312 sprintf( buf + strlen(buf), " B16..8: %4.1f%% %4.1f%% %4.1f%% direct:%4.1f%% skip:%4.1f%%",
4313 i_mb_size[PIXEL_16x16] / (i_count*4),
4314 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
4315 i_mb_size[PIXEL_8x8] / (i_count*4),
4316 i_mb_count[B_DIRECT] / i_count,
4317 i_mb_count[B_SKIP] / i_count );
4318 if( i_mb_list_count != 0 )
4319 sprintf( buf + strlen(buf), " L0:%4.1f%% L1:%4.1f%% BI:%4.1f%%",
4320 list_count[0] / i_mb_list_count,
4321 list_count[1] / i_mb_list_count,
4322 list_count[2] / i_mb_list_count );
4323 x264_log( h, X264_LOG_INFO, "mb B %s\n", buf );
4324 }
4325
4326 x264_ratecontrol_summary( h );
4327
4328 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 )
4329 {
4330 #define SUM3(p) (p[SLICE_TYPE_I] + p[SLICE_TYPE_P] + p[SLICE_TYPE_B])
4331 #define SUM3b(p,o) (p[SLICE_TYPE_I][o] + p[SLICE_TYPE_P][o] + p[SLICE_TYPE_B][o])
4332 int64_t i_i8x8 = SUM3b( h->stat.i_mb_count, I_8x8 );
4333 int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
4334 + SUM3b( h->stat.i_mb_count, I_16x16 );
4335 int64_t i_all_intra = i_intra + SUM3b( h->stat.i_mb_count, I_PCM );
4336 int64_t i_skip = SUM3b( h->stat.i_mb_count, P_SKIP )
4337 + SUM3b( h->stat.i_mb_count, B_SKIP );
4338 const int i_count = h->stat.i_frame_count[SLICE_TYPE_I] +
4339 h->stat.i_frame_count[SLICE_TYPE_P] +
4340 h->stat.i_frame_count[SLICE_TYPE_B];
4341 int64_t i_mb_count = (int64_t)i_count * h->mb.i_mb_count;
4342 int64_t i_inter = i_mb_count - i_skip - i_all_intra;
4343 const double duration = h->stat.f_frame_duration[SLICE_TYPE_I] +
4344 h->stat.f_frame_duration[SLICE_TYPE_P] +
4345 h->stat.f_frame_duration[SLICE_TYPE_B];
4346 float f_bitrate = SUM3(h->stat.i_frame_size) / duration / 125;
4347
4348 if( PARAM_INTERLACED )
4349 {
4350 char *fieldstats = buf;
4351 fieldstats[0] = 0;
4352 if( i_inter )
4353 fieldstats += sprintf( fieldstats, " inter:%.1f%%", h->stat.i_mb_field[1] * 100.0 / i_inter );
4354 if( i_skip )
4355 fieldstats += sprintf( fieldstats, " skip:%.1f%%", h->stat.i_mb_field[2] * 100.0 / i_skip );
4356 x264_log( h, X264_LOG_INFO, "field mbs: intra: %.1f%%%s\n",
4357 h->stat.i_mb_field[0] * 100.0 / i_all_intra, buf );
4358 }
4359
4360 if( h->pps->b_transform_8x8_mode )
4361 {
4362 buf[0] = 0;
4363 if( h->stat.i_mb_count_8x8dct[0] )
4364 sprintf( buf, " inter:%.1f%%", 100. * h->stat.i_mb_count_8x8dct[1] / h->stat.i_mb_count_8x8dct[0] );
4365 x264_log( h, X264_LOG_INFO, "8x8 transform intra:%.1f%%%s\n", 100. * i_i8x8 / X264_MAX( i_intra, 1 ), buf );
4366 }
4367
4368 if( (h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_AUTO ||
4369 (h->stat.i_direct_frames[0] && h->stat.i_direct_frames[1]))
4370 && h->stat.i_frame_count[SLICE_TYPE_B] )
4371 {
4372 x264_log( h, X264_LOG_INFO, "direct mvs spatial:%.1f%% temporal:%.1f%%\n",
4373 h->stat.i_direct_frames[1] * 100. / h->stat.i_frame_count[SLICE_TYPE_B],
4374 h->stat.i_direct_frames[0] * 100. / h->stat.i_frame_count[SLICE_TYPE_B] );
4375 }
4376
4377 buf[0] = 0;
4378 if( CHROMA_FORMAT )
4379 {
4380 int csize = CHROMA444 ? 4 : 1;
4381 if( i_mb_count != i_all_intra )
4382 sprintf( buf, " inter: %.1f%% %.1f%% %.1f%%",
4383 h->stat.i_mb_cbp[1] * 100.0 / ((i_mb_count - i_all_intra)*4),
4384 h->stat.i_mb_cbp[3] * 100.0 / ((i_mb_count - i_all_intra)*csize),
4385 h->stat.i_mb_cbp[5] * 100.0 / ((i_mb_count - i_all_intra)*csize) );
4386 x264_log( h, X264_LOG_INFO, "coded y,%s,%s intra: %.1f%% %.1f%% %.1f%%%s\n",
4387 CHROMA444?"u":"uvDC", CHROMA444?"v":"uvAC",
4388 h->stat.i_mb_cbp[0] * 100.0 / (i_all_intra*4),
4389 h->stat.i_mb_cbp[2] * 100.0 / (i_all_intra*csize),
4390 h->stat.i_mb_cbp[4] * 100.0 / (i_all_intra*csize), buf );
4391 }
4392 else
4393 {
4394 if( i_mb_count != i_all_intra )
4395 sprintf( buf, " inter: %.1f%%", h->stat.i_mb_cbp[1] * 100.0 / ((i_mb_count - i_all_intra)*4) );
4396 x264_log( h, X264_LOG_INFO, "coded y intra: %.1f%%%s\n",
4397 h->stat.i_mb_cbp[0] * 100.0 / (i_all_intra*4), buf );
4398 }
4399
4400 int64_t fixed_pred_modes[4][9] = {{0}};
4401 int64_t sum_pred_modes[4] = {0};
4402 for( int i = 0; i <= I_PRED_16x16_DC_128; i++ )
4403 {
4404 fixed_pred_modes[0][x264_mb_pred_mode16x16_fix[i]] += h->stat.i_mb_pred_mode[0][i];
4405 sum_pred_modes[0] += h->stat.i_mb_pred_mode[0][i];
4406 }
4407 if( sum_pred_modes[0] )
4408 x264_log( h, X264_LOG_INFO, "i16 v,h,dc,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
4409 fixed_pred_modes[0][0] * 100.0 / sum_pred_modes[0],
4410 fixed_pred_modes[0][1] * 100.0 / sum_pred_modes[0],
4411 fixed_pred_modes[0][2] * 100.0 / sum_pred_modes[0],
4412 fixed_pred_modes[0][3] * 100.0 / sum_pred_modes[0] );
4413 for( int i = 1; i <= 2; i++ )
4414 {
4415 for( int j = 0; j <= I_PRED_8x8_DC_128; j++ )
4416 {
4417 fixed_pred_modes[i][x264_mb_pred_mode4x4_fix(j)] += h->stat.i_mb_pred_mode[i][j];
4418 sum_pred_modes[i] += h->stat.i_mb_pred_mode[i][j];
4419 }
4420 if( sum_pred_modes[i] )
4421 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,
4422 fixed_pred_modes[i][0] * 100.0 / sum_pred_modes[i],
4423 fixed_pred_modes[i][1] * 100.0 / sum_pred_modes[i],
4424 fixed_pred_modes[i][2] * 100.0 / sum_pred_modes[i],
4425 fixed_pred_modes[i][3] * 100.0 / sum_pred_modes[i],
4426 fixed_pred_modes[i][4] * 100.0 / sum_pred_modes[i],
4427 fixed_pred_modes[i][5] * 100.0 / sum_pred_modes[i],
4428 fixed_pred_modes[i][6] * 100.0 / sum_pred_modes[i],
4429 fixed_pred_modes[i][7] * 100.0 / sum_pred_modes[i],
4430 fixed_pred_modes[i][8] * 100.0 / sum_pred_modes[i] );
4431 }
4432 for( int i = 0; i <= I_PRED_CHROMA_DC_128; i++ )
4433 {
4434 fixed_pred_modes[3][x264_mb_chroma_pred_mode_fix[i]] += h->stat.i_mb_pred_mode[3][i];
4435 sum_pred_modes[3] += h->stat.i_mb_pred_mode[3][i];
4436 }
4437 if( sum_pred_modes[3] && !CHROMA444 )
4438 x264_log( h, X264_LOG_INFO, "i8c dc,h,v,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
4439 fixed_pred_modes[3][0] * 100.0 / sum_pred_modes[3],
4440 fixed_pred_modes[3][1] * 100.0 / sum_pred_modes[3],
4441 fixed_pred_modes[3][2] * 100.0 / sum_pred_modes[3],
4442 fixed_pred_modes[3][3] * 100.0 / sum_pred_modes[3] );
4443
4444 if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE && h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
4445 {
4446 buf[0] = 0;
4447 if( CHROMA_FORMAT )
4448 sprintf( buf, " UV:%.1f%%", h->stat.i_wpred[1] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P] );
4449 x264_log( h, X264_LOG_INFO, "Weighted P-Frames: Y:%.1f%%%s\n",
4450 h->stat.i_wpred[0] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P], buf );
4451 }
4452
4453 for( int i_list = 0; i_list < 2; i_list++ )
4454 for( int i_slice = 0; i_slice < 2; i_slice++ )
4455 {
4456 char *p = buf;
4457 int64_t i_den = 0;
4458 int i_max = 0;
4459 for( int i = 0; i < X264_REF_MAX*2; i++ )
4460 if( h->stat.i_mb_count_ref[i_slice][i_list][i] )
4461 {
4462 i_den += h->stat.i_mb_count_ref[i_slice][i_list][i];
4463 i_max = i;
4464 }
4465 if( i_max == 0 )
4466 continue;
4467 for( int i = 0; i <= i_max; i++ )
4468 p += sprintf( p, " %4.1f%%", 100. * h->stat.i_mb_count_ref[i_slice][i_list][i] / i_den );
4469 x264_log( h, X264_LOG_INFO, "ref %c L%d:%s\n", "PB"[i_slice], i_list, buf );
4470 }
4471
4472 if( h->param.analyse.b_ssim )
4473 {
4474 float ssim = SUM3( h->stat.f_ssim_mean_y ) / duration;
4475 x264_log( h, X264_LOG_INFO, "SSIM Mean Y:%.7f (%6.3fdb)\n", ssim, calc_ssim_db( ssim ) );
4476 }
4477 if( h->param.analyse.b_psnr )
4478 {
4479 x264_log( h, X264_LOG_INFO,
4480 "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
4481 SUM3( h->stat.f_psnr_mean_y ) / duration,
4482 SUM3( h->stat.f_psnr_mean_u ) / duration,
4483 SUM3( h->stat.f_psnr_mean_v ) / duration,
4484 SUM3( h->stat.f_psnr_average ) / duration,
4485 calc_psnr( SUM3( h->stat.f_ssd_global ), duration * i_yuv_size ),
4486 f_bitrate );
4487 }
4488 else
4489 x264_log( h, X264_LOG_INFO, "kb/s:%.2f\n", f_bitrate );
4490 }
4491
4492 /* rc */
4493 x264_ratecontrol_delete( h );
4494
4495 /* param */
4496 x264_param_cleanup( &h->param );
4497
4498 x264_cqm_delete( h );
4499 x264_free( h->nal_buffer );
4500 x264_free( h->reconfig_h );
4501 x264_analyse_free_costs( h );
4502 x264_free( h->cost_table );
4503
4504 if( h->i_thread_frames > 1 )
4505 h = h->thread[h->i_thread_phase];
4506
4507 /* frames */
4508 x264_frame_delete_list( h->frames.unused[0] );
4509 x264_frame_delete_list( h->frames.unused[1] );
4510 x264_frame_delete_list( h->frames.current );
4511 x264_frame_delete_list( h->frames.blank_unused );
4512
4513 h = h->thread[0];
4514
4515 for( int i = 0; i < h->i_thread_frames; i++ )
4516 if( h->thread[i]->b_thread_active )
4517 for( int j = 0; j < h->thread[i]->i_ref[0]; j++ )
4518 if( h->thread[i]->fref[0][j] && h->thread[i]->fref[0][j]->b_duplicate )
4519 x264_frame_delete( h->thread[i]->fref[0][j] );
4520
4521 if( h->param.i_lookahead_threads > 1 )
4522 for( int i = 0; i < h->param.i_lookahead_threads; i++ )
4523 x264_free( h->lookahead_thread[i] );
4524
4525 for( int i = h->param.i_threads - 1; i >= 0; i-- )
4526 {
4527 x264_frame_t **frame;
4528
4529 if( !h->param.b_sliced_threads || i == 0 )
4530 {
4531 for( frame = h->thread[i]->frames.reference; *frame; frame++ )
4532 {
4533 assert( (*frame)->i_reference_count > 0 );
4534 (*frame)->i_reference_count--;
4535 if( (*frame)->i_reference_count == 0 )
4536 x264_frame_delete( *frame );
4537 }
4538 frame = &h->thread[i]->fdec;
4539 if( *frame )
4540 {
4541 assert( (*frame)->i_reference_count > 0 );
4542 (*frame)->i_reference_count--;
4543 if( (*frame)->i_reference_count == 0 )
4544 x264_frame_delete( *frame );
4545 }
4546 x264_macroblock_cache_free( h->thread[i] );
4547 }
4548 x264_macroblock_thread_free( h->thread[i], 0 );
4549 x264_free( h->thread[i]->out.p_bitstream );
4550 x264_free( h->thread[i]->out.nal );
4551 x264_pthread_mutex_destroy( &h->thread[i]->mutex );
4552 x264_pthread_cond_destroy( &h->thread[i]->cv );
4553 x264_free( h->thread[i] );
4554 }
4555 #if HAVE_OPENCL
4556 x264_opencl_close_library( ocl );
4557 #endif
4558 }
4559
x264_encoder_delayed_frames(x264_t * h)4560 int x264_encoder_delayed_frames( x264_t *h )
4561 {
4562 int delayed_frames = 0;
4563 if( h->i_thread_frames > 1 )
4564 {
4565 for( int i = 0; i < h->i_thread_frames; i++ )
4566 delayed_frames += h->thread[i]->b_thread_active;
4567 h = h->thread[h->i_thread_phase];
4568 }
4569 for( int i = 0; h->frames.current[i]; i++ )
4570 delayed_frames++;
4571 x264_pthread_mutex_lock( &h->lookahead->ofbuf.mutex );
4572 x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
4573 x264_pthread_mutex_lock( &h->lookahead->next.mutex );
4574 delayed_frames += h->lookahead->ifbuf.i_size + h->lookahead->next.i_size + h->lookahead->ofbuf.i_size;
4575 x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
4576 x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
4577 x264_pthread_mutex_unlock( &h->lookahead->ofbuf.mutex );
4578 return delayed_frames;
4579 }
4580
x264_encoder_maximum_delayed_frames(x264_t * h)4581 int x264_encoder_maximum_delayed_frames( x264_t *h )
4582 {
4583 return h->frames.i_delay;
4584 }
4585