1 /*****************************************************************************
2 * common.c: misc common functions
3 *****************************************************************************
4 * Copyright (C) 2003-2011 x264 project
6 * Authors: Loren Merritt <lorenm@u.washington.edu>
7 * Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
23 * This program is also available under a commercial proprietary license.
24 * For more information, contact us at licensing@x264.com.
25 *****************************************************************************/
36 const int x264_bit_depth = BIT_DEPTH;
38 static void x264_log_default( void *, int, const char *, va_list );
40 /****************************************************************************
42 ****************************************************************************/
43 void x264_param_default( x264_param_t *param )
46 memset( param, 0, sizeof( x264_param_t ) );
49 param->cpu = x264_cpu_detect();
50 param->i_threads = X264_THREADS_AUTO;
51 param->b_deterministic = 1;
52 param->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO;
54 /* Video properties */
55 param->i_csp = X264_CSP_I420;
58 param->vui.i_sar_width = 0;
59 param->vui.i_sar_height= 0;
60 param->vui.i_overscan = 0; /* undef */
61 param->vui.i_vidformat = 5; /* undef */
62 param->vui.b_fullrange = -1; /* default depends on input */
63 param->vui.i_colorprim = 2; /* undef */
64 param->vui.i_transfer = 2; /* undef */
65 param->vui.i_colmatrix = -1; /* default depends on input */
66 param->vui.i_chroma_loc= 0; /* left center */
67 param->i_fps_num = 25;
69 param->i_level_idc = -1;
70 param->i_slice_max_size = 0;
71 param->i_slice_max_mbs = 0;
72 param->i_slice_count = 0;
74 /* Encoder parameters */
75 param->i_frame_reference = 3;
76 param->i_keyint_max = 250;
77 param->i_keyint_min = X264_KEYINT_MIN_AUTO;
79 param->i_scenecut_threshold = 40;
80 param->i_bframe_adaptive = X264_B_ADAPT_FAST;
81 param->i_bframe_bias = 0;
82 param->i_bframe_pyramid = X264_B_PYRAMID_NORMAL;
83 param->b_interlaced = 0;
84 param->b_constrained_intra = 0;
86 param->b_deblocking_filter = 1;
87 param->i_deblocking_filter_alphac0 = 0;
88 param->i_deblocking_filter_beta = 0;
91 param->i_cabac_init_idc = 0;
93 param->rc.i_rc_method = X264_RC_CRF;
94 param->rc.i_bitrate = 0;
95 param->rc.f_rate_tolerance = 1.0;
96 param->rc.i_vbv_max_bitrate = 0;
97 param->rc.i_vbv_buffer_size = 0;
98 param->rc.f_vbv_buffer_init = 0.9;
99 param->rc.i_qp_constant = 23 + QP_BD_OFFSET;
100 param->rc.f_rf_constant = 23;
101 param->rc.i_qp_min = 0;
102 param->rc.i_qp_max = QP_MAX;
103 param->rc.i_qp_step = 4;
104 param->rc.f_ip_factor = 1.4;
105 param->rc.f_pb_factor = 1.3;
106 param->rc.i_aq_mode = X264_AQ_VARIANCE;
107 param->rc.f_aq_strength = 1.0;
108 param->rc.i_lookahead = 40;
110 param->rc.b_stat_write = 0;
111 param->rc.psz_stat_out = "x264_2pass.log";
112 param->rc.b_stat_read = 0;
113 param->rc.psz_stat_in = "x264_2pass.log";
114 param->rc.f_qcompress = 0.6;
115 param->rc.f_qblur = 0.5;
116 param->rc.f_complexity_blur = 20;
117 param->rc.i_zones = 0;
118 param->rc.b_mb_tree = 1;
121 param->pf_log = x264_log_default;
122 param->p_log_private = NULL;
123 param->i_log_level = X264_LOG_INFO;
126 param->analyse.intra = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8;
127 param->analyse.inter = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8
128 | X264_ANALYSE_PSUB16x16 | X264_ANALYSE_BSUB16x16;
129 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
130 param->analyse.i_me_method = X264_ME_HEX;
131 param->analyse.f_psy_rd = 1.0;
132 param->analyse.b_psy = 1;
133 param->analyse.f_psy_trellis = 0;
134 param->analyse.i_me_range = 16;
135 param->analyse.i_subpel_refine = 7;
136 param->analyse.b_mixed_references = 1;
137 param->analyse.b_chroma_me = 1;
138 param->analyse.i_mv_range_thread = -1;
139 param->analyse.i_mv_range = -1; // set from level_idc
140 param->analyse.i_chroma_qp_offset = 0;
141 param->analyse.b_fast_pskip = 1;
142 param->analyse.b_weighted_bipred = 1;
143 param->analyse.i_weighted_pred = X264_WEIGHTP_SMART;
144 param->analyse.b_dct_decimate = 1;
145 param->analyse.b_transform_8x8 = 1;
146 param->analyse.i_trellis = 1;
147 param->analyse.i_luma_deadzone[0] = 21;
148 param->analyse.i_luma_deadzone[1] = 11;
149 param->analyse.b_psnr = 0;
150 param->analyse.b_ssim = 0;
152 param->i_cqm_preset = X264_CQM_FLAT;
153 memset( param->cqm_4iy, 16, sizeof( param->cqm_4iy ) );
154 memset( param->cqm_4py, 16, sizeof( param->cqm_4py ) );
155 memset( param->cqm_4ic, 16, sizeof( param->cqm_4ic ) );
156 memset( param->cqm_4pc, 16, sizeof( param->cqm_4pc ) );
157 memset( param->cqm_8iy, 16, sizeof( param->cqm_8iy ) );
158 memset( param->cqm_8py, 16, sizeof( param->cqm_8py ) );
159 memset( param->cqm_8ic, 16, sizeof( param->cqm_8ic ) );
160 memset( param->cqm_8pc, 16, sizeof( param->cqm_8pc ) );
162 param->b_repeat_headers = 1;
165 param->b_vfr_input = 1;
166 param->i_nal_hrd = X264_NAL_HRD_NONE;
168 param->b_pic_struct = 0;
169 param->b_fake_interlaced = 0;
170 param->i_frame_packing = -1;
173 static int x264_param_apply_preset( x264_param_t *param, const char *preset )
176 int i = strtol( preset, &end, 10 );
177 if( *end == 0 && i >= 0 && i < sizeof(x264_preset_names)/sizeof(*x264_preset_names)-1 )
178 preset = x264_preset_names[i];
180 if( !strcasecmp( preset, "ultrafast" ) )
182 param->i_frame_reference = 1;
183 param->i_scenecut_threshold = 0;
184 param->b_deblocking_filter = 0;
187 param->analyse.intra = 0;
188 param->analyse.inter = 0;
189 param->analyse.b_transform_8x8 = 0;
190 param->analyse.i_me_method = X264_ME_DIA;
191 param->analyse.i_subpel_refine = 0;
192 param->rc.i_aq_mode = 0;
193 param->analyse.b_mixed_references = 0;
194 param->analyse.i_trellis = 0;
195 param->i_bframe_adaptive = X264_B_ADAPT_NONE;
196 param->rc.b_mb_tree = 0;
197 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
198 param->analyse.b_weighted_bipred = 0;
199 param->rc.i_lookahead = 0;
201 else if( !strcasecmp( preset, "superfast" ) )
203 param->analyse.inter = X264_ANALYSE_I8x8|X264_ANALYSE_I4x4;
204 param->analyse.i_me_method = X264_ME_DIA;
205 param->analyse.i_subpel_refine = 1;
206 param->i_frame_reference = 1;
207 param->analyse.b_mixed_references = 0;
208 param->analyse.i_trellis = 0;
209 param->rc.b_mb_tree = 0;
210 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
211 param->rc.i_lookahead = 0;
213 else if( !strcasecmp( preset, "veryfast" ) )
215 param->analyse.i_me_method = X264_ME_HEX;
216 param->analyse.i_subpel_refine = 2;
217 param->i_frame_reference = 1;
218 param->analyse.b_mixed_references = 0;
219 param->analyse.i_trellis = 0;
220 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
221 param->rc.i_lookahead = 10;
223 else if( !strcasecmp( preset, "faster" ) )
225 param->analyse.b_mixed_references = 0;
226 param->i_frame_reference = 2;
227 param->analyse.i_subpel_refine = 4;
228 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
229 param->rc.i_lookahead = 20;
231 else if( !strcasecmp( preset, "fast" ) )
233 param->i_frame_reference = 2;
234 param->analyse.i_subpel_refine = 6;
235 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
236 param->rc.i_lookahead = 30;
238 else if( !strcasecmp( preset, "medium" ) )
240 /* Default is medium */
242 else if( !strcasecmp( preset, "slow" ) )
244 param->analyse.i_me_method = X264_ME_UMH;
245 param->analyse.i_subpel_refine = 8;
246 param->i_frame_reference = 5;
247 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
248 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
249 param->rc.i_lookahead = 50;
251 else if( !strcasecmp( preset, "slower" ) )
253 param->analyse.i_me_method = X264_ME_UMH;
254 param->analyse.i_subpel_refine = 9;
255 param->i_frame_reference = 8;
256 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
257 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
258 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
259 param->analyse.i_trellis = 2;
260 param->rc.i_lookahead = 60;
262 else if( !strcasecmp( preset, "veryslow" ) )
264 param->analyse.i_me_method = X264_ME_UMH;
265 param->analyse.i_subpel_refine = 10;
266 param->analyse.i_me_range = 24;
267 param->i_frame_reference = 16;
268 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
269 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
270 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
271 param->analyse.i_trellis = 2;
273 param->rc.i_lookahead = 60;
275 else if( !strcasecmp( preset, "placebo" ) )
277 param->analyse.i_me_method = X264_ME_TESA;
278 param->analyse.i_subpel_refine = 11;
279 param->analyse.i_me_range = 24;
280 param->i_frame_reference = 16;
281 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
282 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
283 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
284 param->analyse.b_fast_pskip = 0;
285 param->analyse.i_trellis = 2;
286 param->i_bframe = 16;
287 param->rc.i_lookahead = 60;
291 x264_log( NULL, X264_LOG_ERROR, "invalid preset '%s'\n", preset );
297 static int x264_param_apply_tune( x264_param_t *param, const char *tune )
299 char *tmp = x264_malloc( strlen( tune ) + 1 );
302 tmp = strcpy( tmp, tune );
303 char *s = strtok( tmp, ",./-+" );
304 int psy_tuning_used = 0;
307 if( !strncasecmp( s, "film", 4 ) )
309 if( psy_tuning_used++ ) goto psy_failure;
310 param->i_deblocking_filter_alphac0 = -1;
311 param->i_deblocking_filter_beta = -1;
312 param->analyse.f_psy_trellis = 0.15;
314 else if( !strncasecmp( s, "animation", 9 ) )
316 if( psy_tuning_used++ ) goto psy_failure;
317 param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
318 param->i_deblocking_filter_alphac0 = 1;
319 param->i_deblocking_filter_beta = 1;
320 param->analyse.f_psy_rd = 0.4;
321 param->rc.f_aq_strength = 0.6;
322 param->i_bframe += 2;
324 else if( !strncasecmp( s, "grain", 5 ) )
326 if( psy_tuning_used++ ) goto psy_failure;
327 param->i_deblocking_filter_alphac0 = -2;
328 param->i_deblocking_filter_beta = -2;
329 param->analyse.f_psy_trellis = 0.25;
330 param->analyse.b_dct_decimate = 0;
331 param->rc.f_pb_factor = 1.1;
332 param->rc.f_ip_factor = 1.1;
333 param->rc.f_aq_strength = 0.5;
334 param->analyse.i_luma_deadzone[0] = 6;
335 param->analyse.i_luma_deadzone[1] = 6;
336 param->rc.f_qcompress = 0.8;
338 else if( !strncasecmp( s, "stillimage", 5 ) )
340 if( psy_tuning_used++ ) goto psy_failure;
341 param->i_deblocking_filter_alphac0 = -3;
342 param->i_deblocking_filter_beta = -3;
343 param->analyse.f_psy_rd = 2.0;
344 param->analyse.f_psy_trellis = 0.7;
345 param->rc.f_aq_strength = 1.2;
347 else if( !strncasecmp( s, "psnr", 4 ) )
349 if( psy_tuning_used++ ) goto psy_failure;
350 param->rc.i_aq_mode = X264_AQ_NONE;
351 param->analyse.b_psy = 0;
353 else if( !strncasecmp( s, "ssim", 4 ) )
355 if( psy_tuning_used++ ) goto psy_failure;
356 param->rc.i_aq_mode = X264_AQ_AUTOVARIANCE;
357 param->analyse.b_psy = 0;
359 else if( !strncasecmp( s, "fastdecode", 10 ) )
361 param->b_deblocking_filter = 0;
363 param->analyse.b_weighted_bipred = 0;
364 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
366 else if( !strncasecmp( s, "zerolatency", 11 ) )
368 param->rc.i_lookahead = 0;
369 param->i_sync_lookahead = 0;
371 param->b_sliced_threads = 1;
372 param->b_vfr_input = 0;
373 param->rc.b_mb_tree = 0;
375 else if( !strncasecmp( s, "touhou", 6 ) )
377 if( psy_tuning_used++ ) goto psy_failure;
378 param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
379 param->i_deblocking_filter_alphac0 = -1;
380 param->i_deblocking_filter_beta = -1;
381 param->analyse.f_psy_trellis = 0.2;
382 param->rc.f_aq_strength = 1.3;
383 if( param->analyse.inter & X264_ANALYSE_PSUB16x16 )
384 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
388 x264_log( NULL, X264_LOG_ERROR, "invalid tune '%s'\n", s );
395 x264_log( NULL, X264_LOG_WARNING, "only 1 psy tuning can be used: ignoring tune %s\n", s );
397 s = strtok( NULL, ",./-+" );
403 int x264_param_default_preset( x264_param_t *param, const char *preset, const char *tune )
405 x264_param_default( param );
407 if( preset && x264_param_apply_preset( param, preset ) < 0 )
409 if( tune && x264_param_apply_tune( param, tune ) < 0 )
414 void x264_param_apply_fastfirstpass( x264_param_t *param )
416 /* Set faster options in case of turbo firstpass. */
417 if( param->rc.b_stat_write && !param->rc.b_stat_read )
419 param->i_frame_reference = 1;
420 param->analyse.b_transform_8x8 = 0;
421 param->analyse.inter = 0;
422 param->analyse.i_me_method = X264_ME_DIA;
423 param->analyse.i_subpel_refine = X264_MIN( 2, param->analyse.i_subpel_refine );
424 param->analyse.i_trellis = 0;
425 param->analyse.b_fast_pskip = 1;
429 int x264_param_apply_profile( x264_param_t *param, const char *profile )
435 if( !strcasecmp( profile, "baseline" ) || !strcasecmp( profile, "main" ) ||
436 !strcasecmp( profile, "high" ) )
438 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support a bit depth of %d.\n", profile, BIT_DEPTH );
443 if( !strcasecmp( profile, "baseline" ) )
445 param->analyse.b_transform_8x8 = 0;
447 param->i_cqm_preset = X264_CQM_FLAT;
448 param->psz_cqm_file = NULL;
450 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
451 if( param->b_interlaced )
453 x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support interlacing\n" );
456 if( param->b_fake_interlaced )
458 x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support fake interlacing\n" );
462 else if( !strcasecmp( profile, "main" ) )
464 param->analyse.b_transform_8x8 = 0;
465 param->i_cqm_preset = X264_CQM_FLAT;
466 param->psz_cqm_file = NULL;
468 else if( !strcasecmp( profile, "high" ) || !strcasecmp( profile, "high10" ) )
474 x264_log( NULL, X264_LOG_ERROR, "invalid profile: %s\n", profile );
477 if( (param->rc.i_rc_method == X264_RC_CQP && param->rc.i_qp_constant <= 0) ||
478 (param->rc.i_rc_method == X264_RC_CRF && (int)(param->rc.f_rf_constant + QP_BD_OFFSET) <= 0) )
480 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support lossless\n", profile );
486 static int parse_enum( const char *arg, const char * const *names, int *dst )
488 for( int i = 0; names[i]; i++ )
489 if( !strcmp( arg, names[i] ) )
497 static int parse_cqm( const char *str, uint8_t *cqm, int length )
502 if( !sscanf( str, "%d", &coef ) || coef < 1 || coef > 255 )
505 } while( i < length && (str = strchr( str, ',' )) && str++ );
506 return (i == length) ? 0 : -1;
509 static int x264_atobool( const char *str, int *b_error )
511 if( !strcmp(str, "1") ||
512 !strcmp(str, "true") ||
513 !strcmp(str, "yes") )
515 if( !strcmp(str, "0") ||
516 !strcmp(str, "false") ||
523 static int x264_atoi( const char *str, int *b_error )
526 int v = strtol( str, &end, 0 );
527 if( end == str || *end != '\0' )
532 static double x264_atof( const char *str, int *b_error )
535 double v = strtod( str, &end );
536 if( end == str || *end != '\0' )
541 #define atobool(str) ( name_was_bool = 1, x264_atobool( str, &b_error ) )
542 #define atoi(str) x264_atoi( str, &b_error )
543 #define atof(str) x264_atof( str, &b_error )
545 int x264_param_parse( x264_param_t *p, const char *name, const char *value )
547 char *name_buf = NULL;
550 int value_was_null = !value;
554 return X264_PARAM_BAD_NAME;
558 if( value[0] == '=' )
561 if( strchr( name, '_' ) ) // s/_/-/g
564 name_buf = strdup(name);
565 while( (c = strchr( name_buf, '_' )) )
570 if( (!strncmp( name, "no-", 3 ) && (i = 3)) ||
571 (!strncmp( name, "no", 2 ) && (i = 2)) )
574 value = atobool(value) ? "false" : "true";
578 #define OPT(STR) else if( !strcmp( name, STR ) )
579 #define OPT2(STR0, STR1) else if( !strcmp( name, STR0 ) || !strcmp( name, STR1 ) )
583 p->cpu = isdigit(value[0]) ? atoi(value) :
584 !strcmp(value, "auto") || atobool(value) ? x264_cpu_detect() : 0;
587 char *buf = strdup(value);
588 char *tok, UNUSED *saveptr=NULL, *init;
591 for( init=buf; (tok=strtok_r(init, ",", &saveptr)); init=NULL )
593 for( i=0; x264_cpu_names[i].flags && strcasecmp(tok, x264_cpu_names[i].name); i++ );
594 p->cpu |= x264_cpu_names[i].flags;
595 if( !x264_cpu_names[i].flags )
599 if( p->cpu & X264_CPU_SSSE3 )
600 p->cpu |= X264_CPU_SSE2_IS_FAST;
601 if( p->cpu & X264_CPU_SSE4 )
602 p->cpu |= X264_CPU_SHUFFLE_IS_FAST;
607 if( !strcmp(value, "auto") )
608 p->i_threads = X264_THREADS_AUTO;
610 p->i_threads = atoi(value);
612 OPT("sliced-threads")
613 p->b_sliced_threads = atobool(value);
614 OPT("sync-lookahead")
616 if( !strcmp(value, "auto") )
617 p->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO;
619 p->i_sync_lookahead = atoi(value);
621 OPT2("deterministic", "n-deterministic")
622 p->b_deterministic = atobool(value);
623 OPT2("level", "level-idc")
625 if( !strcmp(value, "1b") )
627 else if( atof(value) < 6 )
628 p->i_level_idc = (int)(10*atof(value)+.5);
630 p->i_level_idc = atoi(value);
633 p->b_bluray_compat = atobool(value);
636 b_error = ( 2 != sscanf( value, "%d:%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) &&
637 2 != sscanf( value, "%d/%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) );
640 b_error |= parse_enum( value, x264_overscan_names, &p->vui.i_overscan );
642 b_error |= parse_enum( value, x264_vidformat_names, &p->vui.i_vidformat );
644 b_error |= parse_enum( value, x264_fullrange_names, &p->vui.b_fullrange );
646 b_error |= parse_enum( value, x264_colorprim_names, &p->vui.i_colorprim );
648 b_error |= parse_enum( value, x264_transfer_names, &p->vui.i_transfer );
650 b_error |= parse_enum( value, x264_colmatrix_names, &p->vui.i_colmatrix );
653 p->vui.i_chroma_loc = atoi(value);
654 b_error = ( p->vui.i_chroma_loc < 0 || p->vui.i_chroma_loc > 5 );
658 if( sscanf( value, "%u/%u", &p->i_fps_num, &p->i_fps_den ) == 2 )
662 float fps = atof(value);
663 p->i_fps_num = (int)(fps * 1000 + .5);
667 OPT2("ref", "frameref")
668 p->i_frame_reference = atoi(value);
670 p->i_dpb_size = atoi(value);
673 if( strstr( value, "infinite" ) )
674 p->i_keyint_max = X264_KEYINT_MAX_INFINITE;
676 p->i_keyint_max = atoi(value);
678 OPT2("min-keyint", "keyint-min")
680 p->i_keyint_min = atoi(value);
681 if( p->i_keyint_max < p->i_keyint_min )
682 p->i_keyint_max = p->i_keyint_min;
686 p->i_scenecut_threshold = atobool(value);
687 if( b_error || p->i_scenecut_threshold )
690 p->i_scenecut_threshold = atoi(value);
694 p->b_intra_refresh = atobool(value);
696 p->i_bframe = atoi(value);
699 p->i_bframe_adaptive = atobool(value);
703 p->i_bframe_adaptive = atoi(value);
707 p->i_bframe_bias = atoi(value);
710 b_error |= parse_enum( value, x264_b_pyramid_names, &p->i_bframe_pyramid );
714 p->i_bframe_pyramid = atoi(value);
718 p->b_open_gop = atobool(value);
720 p->b_deblocking_filter = !atobool(value);
721 OPT2("filter", "deblock")
723 if( 2 == sscanf( value, "%d:%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) ||
724 2 == sscanf( value, "%d,%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) )
726 p->b_deblocking_filter = 1;
728 else if( sscanf( value, "%d", &p->i_deblocking_filter_alphac0 ) )
730 p->b_deblocking_filter = 1;
731 p->i_deblocking_filter_beta = p->i_deblocking_filter_alphac0;
734 p->b_deblocking_filter = atobool(value);
736 OPT("slice-max-size")
737 p->i_slice_max_size = atoi(value);
739 p->i_slice_max_mbs = atoi(value);
741 p->i_slice_count = atoi(value);
743 p->b_cabac = atobool(value);
745 p->i_cabac_init_idc = atoi(value);
747 p->b_interlaced = atobool(value);
749 p->b_interlaced = p->b_tff = atobool(value);
752 p->b_interlaced = atobool(value);
753 p->b_tff = !p->b_interlaced;
755 OPT("constrained-intra")
756 p->b_constrained_intra = atobool(value);
759 if( strstr( value, "flat" ) )
760 p->i_cqm_preset = X264_CQM_FLAT;
761 else if( strstr( value, "jvt" ) )
762 p->i_cqm_preset = X264_CQM_JVT;
764 p->psz_cqm_file = strdup(value);
767 p->psz_cqm_file = strdup(value);
770 p->i_cqm_preset = X264_CQM_CUSTOM;
771 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
772 b_error |= parse_cqm( value, p->cqm_4py, 16 );
773 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
774 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
778 p->i_cqm_preset = X264_CQM_CUSTOM;
779 b_error |= parse_cqm( value, p->cqm_8iy, 64 );
780 b_error |= parse_cqm( value, p->cqm_8py, 64 );
781 b_error |= parse_cqm( value, p->cqm_8ic, 64 );
782 b_error |= parse_cqm( value, p->cqm_8pc, 64 );
786 p->i_cqm_preset = X264_CQM_CUSTOM;
787 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
788 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
792 p->i_cqm_preset = X264_CQM_CUSTOM;
793 b_error |= parse_cqm( value, p->cqm_4py, 16 );
794 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
798 p->i_cqm_preset = X264_CQM_CUSTOM;
799 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
803 p->i_cqm_preset = X264_CQM_CUSTOM;
804 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
808 p->i_cqm_preset = X264_CQM_CUSTOM;
809 b_error |= parse_cqm( value, p->cqm_4py, 16 );
813 p->i_cqm_preset = X264_CQM_CUSTOM;
814 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
818 p->i_cqm_preset = X264_CQM_CUSTOM;
819 b_error |= parse_cqm( value, p->cqm_8iy, 64 );
820 b_error |= parse_cqm( value, p->cqm_8ic, 64 );
824 p->i_cqm_preset = X264_CQM_CUSTOM;
825 b_error |= parse_cqm( value, p->cqm_8py, 64 );
826 b_error |= parse_cqm( value, p->cqm_8pc, 64 );
829 p->i_log_level = atoi(value);
832 p->b_visualize = atobool(value);
835 p->psz_dump_yuv = strdup(value);
836 OPT2("analyse", "partitions")
838 p->analyse.inter = 0;
839 if( strstr( value, "none" ) ) p->analyse.inter = 0;
840 if( strstr( value, "all" ) ) p->analyse.inter = ~0;
842 if( strstr( value, "i4x4" ) ) p->analyse.inter |= X264_ANALYSE_I4x4;
843 if( strstr( value, "i8x8" ) ) p->analyse.inter |= X264_ANALYSE_I8x8;
844 if( strstr( value, "p8x8" ) ) p->analyse.inter |= X264_ANALYSE_PSUB16x16;
845 if( strstr( value, "p4x4" ) ) p->analyse.inter |= X264_ANALYSE_PSUB8x8;
846 if( strstr( value, "b8x8" ) ) p->analyse.inter |= X264_ANALYSE_BSUB16x16;
849 p->analyse.b_transform_8x8 = atobool(value);
850 OPT2("weightb", "weight-b")
851 p->analyse.b_weighted_bipred = atobool(value);
853 p->analyse.i_weighted_pred = atoi(value);
854 OPT2("direct", "direct-pred")
855 b_error |= parse_enum( value, x264_direct_pred_names, &p->analyse.i_direct_mv_pred );
856 OPT("chroma-qp-offset")
857 p->analyse.i_chroma_qp_offset = atoi(value);
859 b_error |= parse_enum( value, x264_motion_est_names, &p->analyse.i_me_method );
860 OPT2("merange", "me-range")
861 p->analyse.i_me_range = atoi(value);
862 OPT2("mvrange", "mv-range")
863 p->analyse.i_mv_range = atoi(value);
864 OPT2("mvrange-thread", "mv-range-thread")
865 p->analyse.i_mv_range_thread = atoi(value);
866 OPT2("subme", "subq")
867 p->analyse.i_subpel_refine = atoi(value);
870 if( 2 == sscanf( value, "%f:%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
871 2 == sscanf( value, "%f,%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
872 2 == sscanf( value, "%f|%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ))
874 else if( sscanf( value, "%f", &p->analyse.f_psy_rd ) )
876 p->analyse.f_psy_trellis = 0;
880 p->analyse.f_psy_rd = 0;
881 p->analyse.f_psy_trellis = 0;
885 p->analyse.b_psy = atobool(value);
887 p->analyse.b_chroma_me = atobool(value);
889 p->analyse.b_mixed_references = atobool(value);
891 p->analyse.i_trellis = atoi(value);
893 p->analyse.b_fast_pskip = atobool(value);
895 p->analyse.b_dct_decimate = atobool(value);
896 OPT("deadzone-inter")
897 p->analyse.i_luma_deadzone[0] = atoi(value);
898 OPT("deadzone-intra")
899 p->analyse.i_luma_deadzone[1] = atoi(value);
901 p->analyse.i_noise_reduction = atoi(value);
904 p->rc.i_bitrate = atoi(value);
905 p->rc.i_rc_method = X264_RC_ABR;
907 OPT2("qp", "qp_constant")
909 p->rc.i_qp_constant = atoi(value);
910 p->rc.i_rc_method = X264_RC_CQP;
914 p->rc.f_rf_constant = atof(value);
915 p->rc.i_rc_method = X264_RC_CRF;
918 p->rc.f_rf_constant_max = atof(value);
920 p->rc.i_lookahead = atoi(value);
921 OPT2("qpmin", "qp-min")
922 p->rc.i_qp_min = atoi(value);
923 OPT2("qpmax", "qp-max")
924 p->rc.i_qp_max = atoi(value);
925 OPT2("qpstep", "qp-step")
926 p->rc.i_qp_step = atoi(value);
928 p->rc.f_rate_tolerance = !strncmp("inf", value, 3) ? 1e9 : atof(value);
930 p->rc.i_vbv_max_bitrate = atoi(value);
932 p->rc.i_vbv_buffer_size = atoi(value);
934 p->rc.f_vbv_buffer_init = atof(value);
935 OPT2("ipratio", "ip-factor")
936 p->rc.f_ip_factor = atof(value);
937 OPT2("pbratio", "pb-factor")
938 p->rc.f_pb_factor = atof(value);
940 p->rc.i_aq_mode = atoi(value);
942 p->rc.f_aq_strength = atof(value);
945 int pass = x264_clip3( atoi(value), 0, 3 );
946 p->rc.b_stat_write = pass & 1;
947 p->rc.b_stat_read = pass & 2;
951 p->rc.psz_stat_in = strdup(value);
952 p->rc.psz_stat_out = strdup(value);
955 p->rc.f_qcompress = atof(value);
957 p->rc.b_mb_tree = atobool(value);
959 p->rc.f_qblur = atof(value);
960 OPT2("cplxblur", "cplx-blur")
961 p->rc.f_complexity_blur = atof(value);
963 p->rc.psz_zones = strdup(value);
965 b_error |= sscanf( value, "%u,%u,%u,%u", &p->crop_rect.i_left, &p->crop_rect.i_top,
966 &p->crop_rect.i_right, &p->crop_rect.i_bottom ) != 4;
968 p->analyse.b_psnr = atobool(value);
970 p->analyse.b_ssim = atobool(value);
972 p->b_aud = atobool(value);
974 p->i_sps_id = atoi(value);
976 p->b_repeat_headers = !atobool(value);
977 OPT("repeat-headers")
978 p->b_repeat_headers = atobool(value);
980 p->b_annexb = atobool(value);
982 p->b_vfr_input = !atobool(value);
984 b_error |= parse_enum( value, x264_nal_hrd_names, &p->i_nal_hrd );
986 p->b_pic_struct = atobool(value);
987 OPT("fake-interlaced")
988 p->b_fake_interlaced = atobool(value);
990 p->i_frame_packing = atoi(value);
992 return X264_PARAM_BAD_NAME;
1002 b_error |= value_was_null && !name_was_bool;
1003 return b_error ? X264_PARAM_BAD_VALUE : 0;
1006 /****************************************************************************
1008 ****************************************************************************/
1009 void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... )
1011 if( !h || i_level <= h->param.i_log_level )
1014 va_start( arg, psz_fmt );
1016 x264_log_default( NULL, i_level, psz_fmt, arg );
1018 h->param.pf_log( h->param.p_log_private, i_level, psz_fmt, arg );
1023 static void x264_log_default( void *p_unused, int i_level, const char *psz_fmt, va_list arg )
1028 case X264_LOG_ERROR:
1029 psz_prefix = "error";
1031 case X264_LOG_WARNING:
1032 psz_prefix = "warning";
1035 psz_prefix = "info";
1037 case X264_LOG_DEBUG:
1038 psz_prefix = "debug";
1041 psz_prefix = "unknown";
1044 fprintf( stderr, "x264 [%s]: ", psz_prefix );
1045 vfprintf( stderr, psz_fmt, arg );
1048 /****************************************************************************
1049 * x264_picture_init:
1050 ****************************************************************************/
1051 void x264_picture_init( x264_picture_t *pic )
1053 memset( pic, 0, sizeof( x264_picture_t ) );
1054 pic->i_type = X264_TYPE_AUTO;
1055 pic->i_qpplus1 = X264_QP_AUTO;
1056 pic->i_pic_struct = PIC_STRUCT_AUTO;
1059 /****************************************************************************
1060 * x264_picture_alloc:
1061 ****************************************************************************/
1062 int x264_picture_alloc( x264_picture_t *pic, int i_csp, int i_width, int i_height )
1071 static const x264_csp_tab_t x264_csp_tab[] =
1073 [X264_CSP_I420] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
1074 [X264_CSP_YV12] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
1075 [X264_CSP_NV12] = { 2, { 256*1, 256*1 }, { 256*1, 256/2 }, },
1076 [X264_CSP_I444] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
1077 [X264_CSP_YV24] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
1078 [X264_CSP_BGR] = { 1, { 256*3 }, { 256*1 }, },
1079 [X264_CSP_BGRA] = { 1, { 256*4 }, { 256*1 }, },
1080 [X264_CSP_RGB] = { 1, { 256*3 }, { 256*1 }, },
1083 int csp = i_csp & X264_CSP_MASK;
1084 if( csp <= X264_CSP_NONE || csp >= X264_CSP_MAX )
1086 x264_picture_init( pic );
1087 pic->img.i_csp = i_csp;
1088 pic->img.i_plane = x264_csp_tab[csp].planes;
1089 int depth_factor = i_csp & X264_CSP_HIGH_DEPTH ? 2 : 1;
1090 int plane_offset[3] = {0};
1092 for( int i = 0; i < pic->img.i_plane; i++ )
1094 int stride = (((int64_t)i_width * x264_csp_tab[csp].width_fix8[i]) >> 8) * depth_factor;
1095 int plane_size = (((int64_t)i_height * x264_csp_tab[csp].height_fix8[i]) >> 8) * stride;
1096 pic->img.i_stride[i] = stride;
1097 plane_offset[i] = frame_size;
1098 frame_size += plane_size;
1100 pic->img.plane[0] = x264_malloc( frame_size );
1101 if( !pic->img.plane[0] )
1103 for( int i = 1; i < pic->img.i_plane; i++ )
1104 pic->img.plane[i] = pic->img.plane[0] + plane_offset[i];
1108 /****************************************************************************
1109 * x264_picture_clean:
1110 ****************************************************************************/
1111 void x264_picture_clean( x264_picture_t *pic )
1113 x264_free( pic->img.plane[0] );
1115 /* just to be safe */
1116 memset( pic, 0, sizeof( x264_picture_t ) );
1119 /****************************************************************************
1121 ****************************************************************************/
1122 void *x264_malloc( int i_size )
1124 uint8_t *align_buf = NULL;
1125 #if SYS_MACOSX || (SYS_WINDOWS && ARCH_X86_64)
1126 /* Mac OS X and Win x64 always returns 16 byte aligned memory */
1127 align_buf = malloc( i_size );
1129 align_buf = memalign( 16, i_size );
1131 uint8_t *buf = malloc( i_size + 15 + sizeof(void **) );
1134 align_buf = buf + 15 + sizeof(void **);
1135 align_buf -= (intptr_t) align_buf & 15;
1136 *( (void **) ( align_buf - sizeof(void **) ) ) = buf;
1140 x264_log( NULL, X264_LOG_ERROR, "malloc of size %d failed\n", i_size );
1144 /****************************************************************************
1146 ****************************************************************************/
1147 void x264_free( void *p )
1151 #if HAVE_MALLOC_H || SYS_MACOSX || (SYS_WINDOWS && ARCH_X86_64)
1154 free( *( ( ( void **) p ) - 1 ) );
1159 /****************************************************************************
1160 * x264_reduce_fraction:
1161 ****************************************************************************/
1162 #define REDUCE_FRACTION( name, type )\
1163 void name( type *n, type *d )\
1181 REDUCE_FRACTION( x264_reduce_fraction , uint32_t )
1182 REDUCE_FRACTION( x264_reduce_fraction64, uint64_t )
1184 /****************************************************************************
1186 ****************************************************************************/
1187 char *x264_slurp_file( const char *filename )
1192 FILE *fh = fopen( filename, "rb" );
1195 b_error |= fseek( fh, 0, SEEK_END ) < 0;
1196 b_error |= ( i_size = ftell( fh ) ) <= 0;
1197 b_error |= fseek( fh, 0, SEEK_SET ) < 0;
1200 buf = x264_malloc( i_size+2 );
1203 b_error |= fread( buf, 1, i_size, fh ) != i_size;
1204 if( buf[i_size-1] != '\n' )
1205 buf[i_size++] = '\n';
1219 /****************************************************************************
1220 * x264_param2string:
1221 ****************************************************************************/
1222 char *x264_param2string( x264_param_t *p, int b_res )
1226 if( p->rc.psz_zones )
1227 len += strlen(p->rc.psz_zones);
1228 buf = s = x264_malloc( len );
1234 s += sprintf( s, "%dx%d ", p->i_width, p->i_height );
1235 s += sprintf( s, "fps=%u/%u ", p->i_fps_num, p->i_fps_den );
1236 s += sprintf( s, "timebase=%u/%u ", p->i_timebase_num, p->i_timebase_den );
1237 s += sprintf( s, "bitdepth=%d ", BIT_DEPTH );
1240 s += sprintf( s, "cabac=%d", p->b_cabac );
1241 s += sprintf( s, " ref=%d", p->i_frame_reference );
1242 s += sprintf( s, " deblock=%d:%d:%d", p->b_deblocking_filter,
1243 p->i_deblocking_filter_alphac0, p->i_deblocking_filter_beta );
1244 s += sprintf( s, " analyse=%#x:%#x", p->analyse.intra, p->analyse.inter );
1245 s += sprintf( s, " me=%s", x264_motion_est_names[ p->analyse.i_me_method ] );
1246 s += sprintf( s, " subme=%d", p->analyse.i_subpel_refine );
1247 s += sprintf( s, " psy=%d", p->analyse.b_psy );
1248 if( p->analyse.b_psy )
1249 s += sprintf( s, " psy_rd=%.2f:%.2f", p->analyse.f_psy_rd, p->analyse.f_psy_trellis );
1250 s += sprintf( s, " mixed_ref=%d", p->analyse.b_mixed_references );
1251 s += sprintf( s, " me_range=%d", p->analyse.i_me_range );
1252 s += sprintf( s, " chroma_me=%d", p->analyse.b_chroma_me );
1253 s += sprintf( s, " trellis=%d", p->analyse.i_trellis );
1254 s += sprintf( s, " 8x8dct=%d", p->analyse.b_transform_8x8 );
1255 s += sprintf( s, " cqm=%d", p->i_cqm_preset );
1256 s += sprintf( s, " deadzone=%d,%d", p->analyse.i_luma_deadzone[0], p->analyse.i_luma_deadzone[1] );
1257 s += sprintf( s, " fast_pskip=%d", p->analyse.b_fast_pskip );
1258 s += sprintf( s, " chroma_qp_offset=%d", p->analyse.i_chroma_qp_offset );
1259 s += sprintf( s, " threads=%d", p->i_threads );
1260 s += sprintf( s, " sliced_threads=%d", p->b_sliced_threads );
1261 if( p->i_slice_count )
1262 s += sprintf( s, " slices=%d", p->i_slice_count );
1263 if( p->i_slice_max_size )
1264 s += sprintf( s, " slice_max_size=%d", p->i_slice_max_size );
1265 if( p->i_slice_max_mbs )
1266 s += sprintf( s, " slice_max_mbs=%d", p->i_slice_max_mbs );
1267 s += sprintf( s, " nr=%d", p->analyse.i_noise_reduction );
1268 s += sprintf( s, " decimate=%d", p->analyse.b_dct_decimate );
1269 s += sprintf( s, " interlaced=%s", p->b_interlaced ? p->b_tff ? "tff" : "bff" : p->b_fake_interlaced ? "fake" : "0" );
1270 s += sprintf( s, " bluray_compat=%d", p->b_bluray_compat );
1272 s += sprintf( s, " constrained_intra=%d", p->b_constrained_intra );
1274 s += sprintf( s, " bframes=%d", p->i_bframe );
1277 s += sprintf( s, " b_pyramid=%d b_adapt=%d b_bias=%d direct=%d weightb=%d open_gop=%d",
1278 p->i_bframe_pyramid, p->i_bframe_adaptive, p->i_bframe_bias,
1279 p->analyse.i_direct_mv_pred, p->analyse.b_weighted_bipred, p->b_open_gop );
1281 s += sprintf( s, " weightp=%d", p->analyse.i_weighted_pred > 0 ? p->analyse.i_weighted_pred : 0 );
1283 if( p->i_keyint_max == X264_KEYINT_MAX_INFINITE )
1284 s += sprintf( s, " keyint=infinite" );
1286 s += sprintf( s, " keyint=%d", p->i_keyint_max );
1287 s += sprintf( s, " keyint_min=%d scenecut=%d intra_refresh=%d",
1288 p->i_keyint_min, p->i_scenecut_threshold, p->b_intra_refresh );
1290 if( p->rc.b_mb_tree || p->rc.i_vbv_buffer_size )
1291 s += sprintf( s, " rc_lookahead=%d", p->rc.i_lookahead );
1293 s += sprintf( s, " rc=%s mbtree=%d", p->rc.i_rc_method == X264_RC_ABR ?
1294 ( p->rc.b_stat_read ? "2pass" : p->rc.i_vbv_max_bitrate == p->rc.i_bitrate ? "cbr" : "abr" )
1295 : p->rc.i_rc_method == X264_RC_CRF ? "crf" : "cqp", p->rc.b_mb_tree );
1296 if( p->rc.i_rc_method == X264_RC_ABR || p->rc.i_rc_method == X264_RC_CRF )
1298 if( p->rc.i_rc_method == X264_RC_CRF )
1299 s += sprintf( s, " crf=%.1f", p->rc.f_rf_constant );
1301 s += sprintf( s, " bitrate=%d ratetol=%.1f",
1302 p->rc.i_bitrate, p->rc.f_rate_tolerance );
1303 s += sprintf( s, " qcomp=%.2f qpmin=%d qpmax=%d qpstep=%d",
1304 p->rc.f_qcompress, p->rc.i_qp_min, p->rc.i_qp_max, p->rc.i_qp_step );
1305 if( p->rc.b_stat_read )
1306 s += sprintf( s, " cplxblur=%.1f qblur=%.1f",
1307 p->rc.f_complexity_blur, p->rc.f_qblur );
1308 if( p->rc.i_vbv_buffer_size )
1310 s += sprintf( s, " vbv_maxrate=%d vbv_bufsize=%d",
1311 p->rc.i_vbv_max_bitrate, p->rc.i_vbv_buffer_size );
1312 if( p->rc.i_rc_method == X264_RC_CRF )
1313 s += sprintf( s, " crf_max=%.1f", p->rc.f_rf_constant_max );
1316 else if( p->rc.i_rc_method == X264_RC_CQP )
1317 s += sprintf( s, " qp=%d", p->rc.i_qp_constant );
1319 if( p->rc.i_vbv_buffer_size )
1320 s += sprintf( s, " nal_hrd=%s", x264_nal_hrd_names[p->i_nal_hrd] );
1321 if( p->crop_rect.i_left | p->crop_rect.i_top | p->crop_rect.i_right | p->crop_rect.i_bottom )
1322 s += sprintf( s, " crop_rect=%u,%u,%u,%u", p->crop_rect.i_left, p->crop_rect.i_top,
1323 p->crop_rect.i_right, p->crop_rect.i_bottom );
1324 if( p->i_frame_packing >= 0 )
1325 s += sprintf( s, " frame-packing=%d", p->i_frame_packing );
1327 if( !(p->rc.i_rc_method == X264_RC_CQP && p->rc.i_qp_constant == 0) )
1329 s += sprintf( s, " ip_ratio=%.2f", p->rc.f_ip_factor );
1330 if( p->i_bframe && !p->rc.b_mb_tree )
1331 s += sprintf( s, " pb_ratio=%.2f", p->rc.f_pb_factor );
1332 s += sprintf( s, " aq=%d", p->rc.i_aq_mode );
1333 if( p->rc.i_aq_mode )
1334 s += sprintf( s, ":%.2f", p->rc.f_aq_strength );
1335 if( p->rc.psz_zones )
1336 s += sprintf( s, " zones=%s", p->rc.psz_zones );
1337 else if( p->rc.i_zones )
1338 s += sprintf( s, " zones" );