1 /*****************************************************************************
2 * common.c: misc common functions
3 *****************************************************************************
4 * Copyright (C) 2003-2013 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 const int x264_chroma_format = X264_CHROMA_FORMAT;
40 static void x264_log_default( void *, int, const char *, va_list );
42 /****************************************************************************
44 ****************************************************************************/
45 void x264_param_default( x264_param_t *param )
48 memset( param, 0, sizeof( x264_param_t ) );
51 param->cpu = x264_cpu_detect();
52 param->i_threads = X264_THREADS_AUTO;
53 param->i_lookahead_threads = X264_THREADS_AUTO;
54 param->b_deterministic = 1;
55 param->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO;
57 /* Video properties */
58 param->i_csp = X264_CHROMA_FORMAT ? X264_CHROMA_FORMAT : X264_CSP_I420;
61 param->vui.i_sar_width = 0;
62 param->vui.i_sar_height= 0;
63 param->vui.i_overscan = 0; /* undef */
64 param->vui.i_vidformat = 5; /* undef */
65 param->vui.b_fullrange = -1; /* default depends on input */
66 param->vui.i_colorprim = 2; /* undef */
67 param->vui.i_transfer = 2; /* undef */
68 param->vui.i_colmatrix = -1; /* default depends on input */
69 param->vui.i_chroma_loc= 0; /* left center */
70 param->i_fps_num = 25;
72 param->i_level_idc = -1;
73 param->i_slice_max_size = 0;
74 param->i_slice_max_mbs = 0;
75 param->i_slice_count = 0;
77 /* Encoder parameters */
78 param->i_frame_reference = 3;
79 param->i_keyint_max = 250;
80 param->i_keyint_min = X264_KEYINT_MIN_AUTO;
82 param->i_scenecut_threshold = 40;
83 param->i_bframe_adaptive = X264_B_ADAPT_FAST;
84 param->i_bframe_bias = 0;
85 param->i_bframe_pyramid = X264_B_PYRAMID_NORMAL;
86 param->b_interlaced = 0;
87 param->b_constrained_intra = 0;
89 param->b_deblocking_filter = 1;
90 param->i_deblocking_filter_alphac0 = 0;
91 param->i_deblocking_filter_beta = 0;
94 param->i_cabac_init_idc = 0;
96 param->rc.i_rc_method = X264_RC_CRF;
97 param->rc.i_bitrate = 0;
98 param->rc.f_rate_tolerance = 1.0;
99 param->rc.i_vbv_max_bitrate = 0;
100 param->rc.i_vbv_buffer_size = 0;
101 param->rc.f_vbv_buffer_init = 0.9;
102 param->rc.i_qp_constant = 23 + QP_BD_OFFSET;
103 param->rc.f_rf_constant = 23;
104 param->rc.i_qp_min = 0;
105 param->rc.i_qp_max = QP_MAX;
106 param->rc.i_qp_step = 4;
107 param->rc.f_ip_factor = 1.4;
108 param->rc.f_pb_factor = 1.3;
109 param->rc.i_aq_mode = X264_AQ_VARIANCE;
110 param->rc.f_aq_strength = 1.0;
111 param->rc.i_lookahead = 40;
113 param->rc.b_stat_write = 0;
114 param->rc.psz_stat_out = "x264_2pass.log";
115 param->rc.b_stat_read = 0;
116 param->rc.psz_stat_in = "x264_2pass.log";
117 param->rc.f_qcompress = 0.6;
118 param->rc.f_qblur = 0.5;
119 param->rc.f_complexity_blur = 20;
120 param->rc.i_zones = 0;
121 param->rc.b_mb_tree = 1;
124 param->pf_log = x264_log_default;
125 param->p_log_private = NULL;
126 param->i_log_level = X264_LOG_INFO;
129 param->analyse.intra = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8;
130 param->analyse.inter = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8
131 | X264_ANALYSE_PSUB16x16 | X264_ANALYSE_BSUB16x16;
132 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
133 param->analyse.i_me_method = X264_ME_HEX;
134 param->analyse.f_psy_rd = 1.0;
135 param->analyse.b_psy = 1;
136 param->analyse.f_psy_trellis = 0;
137 param->analyse.i_me_range = 16;
138 param->analyse.i_subpel_refine = 7;
139 param->analyse.b_mixed_references = 1;
140 param->analyse.b_chroma_me = 1;
141 param->analyse.i_mv_range_thread = -1;
142 param->analyse.i_mv_range = -1; // set from level_idc
143 param->analyse.i_chroma_qp_offset = 0;
144 param->analyse.b_fast_pskip = 1;
145 param->analyse.b_weighted_bipred = 1;
146 param->analyse.i_weighted_pred = X264_WEIGHTP_SMART;
147 param->analyse.b_dct_decimate = 1;
148 param->analyse.b_transform_8x8 = 1;
149 param->analyse.i_trellis = 1;
150 param->analyse.i_luma_deadzone[0] = 21;
151 param->analyse.i_luma_deadzone[1] = 11;
152 param->analyse.b_psnr = 0;
153 param->analyse.b_ssim = 0;
155 param->i_cqm_preset = X264_CQM_FLAT;
156 memset( param->cqm_4iy, 16, sizeof( param->cqm_4iy ) );
157 memset( param->cqm_4py, 16, sizeof( param->cqm_4py ) );
158 memset( param->cqm_4ic, 16, sizeof( param->cqm_4ic ) );
159 memset( param->cqm_4pc, 16, sizeof( param->cqm_4pc ) );
160 memset( param->cqm_8iy, 16, sizeof( param->cqm_8iy ) );
161 memset( param->cqm_8py, 16, sizeof( param->cqm_8py ) );
162 memset( param->cqm_8ic, 16, sizeof( param->cqm_8ic ) );
163 memset( param->cqm_8pc, 16, sizeof( param->cqm_8pc ) );
165 param->b_repeat_headers = 1;
168 param->b_vfr_input = 1;
169 param->i_nal_hrd = X264_NAL_HRD_NONE;
171 param->b_pic_struct = 0;
172 param->b_fake_interlaced = 0;
173 param->i_frame_packing = -1;
176 static int x264_param_apply_preset( x264_param_t *param, const char *preset )
179 int i = strtol( preset, &end, 10 );
180 if( *end == 0 && i >= 0 && i < sizeof(x264_preset_names)/sizeof(*x264_preset_names)-1 )
181 preset = x264_preset_names[i];
183 if( !strcasecmp( preset, "ultrafast" ) )
185 param->i_frame_reference = 1;
186 param->i_scenecut_threshold = 0;
187 param->b_deblocking_filter = 0;
190 param->analyse.intra = 0;
191 param->analyse.inter = 0;
192 param->analyse.b_transform_8x8 = 0;
193 param->analyse.i_me_method = X264_ME_DIA;
194 param->analyse.i_subpel_refine = 0;
195 param->rc.i_aq_mode = 0;
196 param->analyse.b_mixed_references = 0;
197 param->analyse.i_trellis = 0;
198 param->i_bframe_adaptive = X264_B_ADAPT_NONE;
199 param->rc.b_mb_tree = 0;
200 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
201 param->analyse.b_weighted_bipred = 0;
202 param->rc.i_lookahead = 0;
204 else if( !strcasecmp( preset, "superfast" ) )
206 param->analyse.inter = X264_ANALYSE_I8x8|X264_ANALYSE_I4x4;
207 param->analyse.i_me_method = X264_ME_DIA;
208 param->analyse.i_subpel_refine = 1;
209 param->i_frame_reference = 1;
210 param->analyse.b_mixed_references = 0;
211 param->analyse.i_trellis = 0;
212 param->rc.b_mb_tree = 0;
213 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
214 param->rc.i_lookahead = 0;
216 else if( !strcasecmp( preset, "veryfast" ) )
218 param->analyse.i_me_method = X264_ME_HEX;
219 param->analyse.i_subpel_refine = 2;
220 param->i_frame_reference = 1;
221 param->analyse.b_mixed_references = 0;
222 param->analyse.i_trellis = 0;
223 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
224 param->rc.i_lookahead = 10;
226 else if( !strcasecmp( preset, "faster" ) )
228 param->analyse.b_mixed_references = 0;
229 param->i_frame_reference = 2;
230 param->analyse.i_subpel_refine = 4;
231 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
232 param->rc.i_lookahead = 20;
234 else if( !strcasecmp( preset, "fast" ) )
236 param->i_frame_reference = 2;
237 param->analyse.i_subpel_refine = 6;
238 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
239 param->rc.i_lookahead = 30;
241 else if( !strcasecmp( preset, "medium" ) )
243 /* Default is medium */
245 else if( !strcasecmp( preset, "slow" ) )
247 param->analyse.i_me_method = X264_ME_UMH;
248 param->analyse.i_subpel_refine = 8;
249 param->i_frame_reference = 5;
250 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
251 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
252 param->rc.i_lookahead = 50;
254 else if( !strcasecmp( preset, "slower" ) )
256 param->analyse.i_me_method = X264_ME_UMH;
257 param->analyse.i_subpel_refine = 9;
258 param->i_frame_reference = 8;
259 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
260 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
261 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
262 param->analyse.i_trellis = 2;
263 param->rc.i_lookahead = 60;
265 else if( !strcasecmp( preset, "veryslow" ) )
267 param->analyse.i_me_method = X264_ME_UMH;
268 param->analyse.i_subpel_refine = 10;
269 param->analyse.i_me_range = 24;
270 param->i_frame_reference = 16;
271 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
272 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
273 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
274 param->analyse.i_trellis = 2;
276 param->rc.i_lookahead = 60;
278 else if( !strcasecmp( preset, "placebo" ) )
280 param->analyse.i_me_method = X264_ME_TESA;
281 param->analyse.i_subpel_refine = 11;
282 param->analyse.i_me_range = 24;
283 param->i_frame_reference = 16;
284 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
285 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
286 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
287 param->analyse.b_fast_pskip = 0;
288 param->analyse.i_trellis = 2;
289 param->i_bframe = 16;
290 param->rc.i_lookahead = 60;
294 x264_log( NULL, X264_LOG_ERROR, "invalid preset '%s'\n", preset );
300 static int x264_param_apply_tune( x264_param_t *param, const char *tune )
302 char *tmp = x264_malloc( strlen( tune ) + 1 );
305 tmp = strcpy( tmp, tune );
306 char *s = strtok( tmp, ",./-+" );
307 int psy_tuning_used = 0;
310 if( !strncasecmp( s, "film", 4 ) )
312 if( psy_tuning_used++ ) goto psy_failure;
313 param->i_deblocking_filter_alphac0 = -1;
314 param->i_deblocking_filter_beta = -1;
315 param->analyse.f_psy_trellis = 0.15;
317 else if( !strncasecmp( s, "animation", 9 ) )
319 if( psy_tuning_used++ ) goto psy_failure;
320 param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
321 param->i_deblocking_filter_alphac0 = 1;
322 param->i_deblocking_filter_beta = 1;
323 param->analyse.f_psy_rd = 0.4;
324 param->rc.f_aq_strength = 0.6;
325 param->i_bframe += 2;
327 else if( !strncasecmp( s, "grain", 5 ) )
329 if( psy_tuning_used++ ) goto psy_failure;
330 param->i_deblocking_filter_alphac0 = -2;
331 param->i_deblocking_filter_beta = -2;
332 param->analyse.f_psy_trellis = 0.25;
333 param->analyse.b_dct_decimate = 0;
334 param->rc.f_pb_factor = 1.1;
335 param->rc.f_ip_factor = 1.1;
336 param->rc.f_aq_strength = 0.5;
337 param->analyse.i_luma_deadzone[0] = 6;
338 param->analyse.i_luma_deadzone[1] = 6;
339 param->rc.f_qcompress = 0.8;
341 else if( !strncasecmp( s, "stillimage", 5 ) )
343 if( psy_tuning_used++ ) goto psy_failure;
344 param->i_deblocking_filter_alphac0 = -3;
345 param->i_deblocking_filter_beta = -3;
346 param->analyse.f_psy_rd = 2.0;
347 param->analyse.f_psy_trellis = 0.7;
348 param->rc.f_aq_strength = 1.2;
350 else if( !strncasecmp( s, "psnr", 4 ) )
352 if( psy_tuning_used++ ) goto psy_failure;
353 param->rc.i_aq_mode = X264_AQ_NONE;
354 param->analyse.b_psy = 0;
356 else if( !strncasecmp( s, "ssim", 4 ) )
358 if( psy_tuning_used++ ) goto psy_failure;
359 param->rc.i_aq_mode = X264_AQ_AUTOVARIANCE;
360 param->analyse.b_psy = 0;
362 else if( !strncasecmp( s, "fastdecode", 10 ) )
364 param->b_deblocking_filter = 0;
366 param->analyse.b_weighted_bipred = 0;
367 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
369 else if( !strncasecmp( s, "zerolatency", 11 ) )
371 param->rc.i_lookahead = 0;
372 param->i_sync_lookahead = 0;
374 param->b_sliced_threads = 1;
375 param->b_vfr_input = 0;
376 param->rc.b_mb_tree = 0;
378 else if( !strncasecmp( s, "touhou", 6 ) )
380 if( psy_tuning_used++ ) goto psy_failure;
381 param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
382 param->i_deblocking_filter_alphac0 = -1;
383 param->i_deblocking_filter_beta = -1;
384 param->analyse.f_psy_trellis = 0.2;
385 param->rc.f_aq_strength = 1.3;
386 if( param->analyse.inter & X264_ANALYSE_PSUB16x16 )
387 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
391 x264_log( NULL, X264_LOG_ERROR, "invalid tune '%s'\n", s );
398 x264_log( NULL, X264_LOG_WARNING, "only 1 psy tuning can be used: ignoring tune %s\n", s );
400 s = strtok( NULL, ",./-+" );
406 int x264_param_default_preset( x264_param_t *param, const char *preset, const char *tune )
408 x264_param_default( param );
410 if( preset && x264_param_apply_preset( param, preset ) < 0 )
412 if( tune && x264_param_apply_tune( param, tune ) < 0 )
417 void x264_param_apply_fastfirstpass( x264_param_t *param )
419 /* Set faster options in case of turbo firstpass. */
420 if( param->rc.b_stat_write && !param->rc.b_stat_read )
422 param->i_frame_reference = 1;
423 param->analyse.b_transform_8x8 = 0;
424 param->analyse.inter = 0;
425 param->analyse.i_me_method = X264_ME_DIA;
426 param->analyse.i_subpel_refine = X264_MIN( 2, param->analyse.i_subpel_refine );
427 param->analyse.i_trellis = 0;
428 param->analyse.b_fast_pskip = 1;
432 static int profile_string_to_int( const char *str )
434 if( !strcasecmp( str, "baseline" ) )
435 return PROFILE_BASELINE;
436 if( !strcasecmp( str, "main" ) )
438 if( !strcasecmp( str, "high" ) )
440 if( !strcasecmp( str, "high10" ) )
441 return PROFILE_HIGH10;
442 if( !strcasecmp( str, "high422" ) )
443 return PROFILE_HIGH422;
444 if( !strcasecmp( str, "high444" ) )
445 return PROFILE_HIGH444_PREDICTIVE;
449 int x264_param_apply_profile( x264_param_t *param, const char *profile )
454 int p = profile_string_to_int( profile );
457 x264_log( NULL, X264_LOG_ERROR, "invalid profile: %s\n", profile );
460 if( p < PROFILE_HIGH444_PREDICTIVE && ((param->rc.i_rc_method == X264_RC_CQP && param->rc.i_qp_constant <= 0) ||
461 (param->rc.i_rc_method == X264_RC_CRF && (int)(param->rc.f_rf_constant + QP_BD_OFFSET) <= 0)) )
463 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support lossless\n", profile );
466 if( p < PROFILE_HIGH444_PREDICTIVE && (param->i_csp & X264_CSP_MASK) >= X264_CSP_I444 )
468 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support 4:4:4\n", profile );
471 if( p < PROFILE_HIGH422 && (param->i_csp & X264_CSP_MASK) >= X264_CSP_I422 )
473 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support 4:2:2\n", profile );
476 if( p < PROFILE_HIGH10 && BIT_DEPTH > 8 )
478 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support a bit depth of %d\n", profile, BIT_DEPTH );
482 if( p == PROFILE_BASELINE )
484 param->analyse.b_transform_8x8 = 0;
486 param->i_cqm_preset = X264_CQM_FLAT;
487 param->psz_cqm_file = NULL;
489 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
490 if( param->b_interlaced )
492 x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support interlacing\n" );
495 if( param->b_fake_interlaced )
497 x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support fake interlacing\n" );
501 else if( p == PROFILE_MAIN )
503 param->analyse.b_transform_8x8 = 0;
504 param->i_cqm_preset = X264_CQM_FLAT;
505 param->psz_cqm_file = NULL;
510 static int parse_enum( const char *arg, const char * const *names, int *dst )
512 for( int i = 0; names[i]; i++ )
513 if( !strcmp( arg, names[i] ) )
521 static int parse_cqm( const char *str, uint8_t *cqm, int length )
526 if( !sscanf( str, "%d", &coef ) || coef < 1 || coef > 255 )
529 } while( i < length && (str = strchr( str, ',' )) && str++ );
530 return (i == length) ? 0 : -1;
533 static int x264_atobool( const char *str, int *b_error )
535 if( !strcmp(str, "1") ||
536 !strcmp(str, "true") ||
537 !strcmp(str, "yes") )
539 if( !strcmp(str, "0") ||
540 !strcmp(str, "false") ||
547 static int x264_atoi( const char *str, int *b_error )
550 int v = strtol( str, &end, 0 );
551 if( end == str || *end != '\0' )
556 static double x264_atof( const char *str, int *b_error )
559 double v = strtod( str, &end );
560 if( end == str || *end != '\0' )
565 #define atobool(str) ( name_was_bool = 1, x264_atobool( str, &b_error ) )
566 #define atoi(str) x264_atoi( str, &b_error )
567 #define atof(str) x264_atof( str, &b_error )
569 int x264_param_parse( x264_param_t *p, const char *name, const char *value )
571 char *name_buf = NULL;
574 int value_was_null = !value;
578 return X264_PARAM_BAD_NAME;
582 if( value[0] == '=' )
585 if( strchr( name, '_' ) ) // s/_/-/g
588 name_buf = strdup(name);
589 while( (c = strchr( name_buf, '_' )) )
594 if( (!strncmp( name, "no-", 3 ) && (i = 3)) ||
595 (!strncmp( name, "no", 2 ) && (i = 2)) )
598 value = atobool(value) ? "false" : "true";
602 #define OPT(STR) else if( !strcmp( name, STR ) )
603 #define OPT2(STR0, STR1) else if( !strcmp( name, STR0 ) || !strcmp( name, STR1 ) )
607 p->cpu = isdigit(value[0]) ? atoi(value) :
608 !strcmp(value, "auto") || atobool(value) ? x264_cpu_detect() : 0;
611 char *buf = strdup(value);
612 char *tok, UNUSED *saveptr=NULL, *init;
615 for( init=buf; (tok=strtok_r(init, ",", &saveptr)); init=NULL )
617 for( i=0; x264_cpu_names[i].flags && strcasecmp(tok, x264_cpu_names[i].name); i++ );
618 p->cpu |= x264_cpu_names[i].flags;
619 if( !x264_cpu_names[i].flags )
623 if( p->cpu & X264_CPU_SSSE3 )
624 p->cpu |= X264_CPU_SSE2_IS_FAST;
625 if( p->cpu & X264_CPU_SSE4 )
626 p->cpu |= X264_CPU_SHUFFLE_IS_FAST;
631 if( !strcmp(value, "auto") )
632 p->i_threads = X264_THREADS_AUTO;
634 p->i_threads = atoi(value);
636 OPT("lookahead-threads")
638 if( !strcmp(value, "auto") )
639 p->i_lookahead_threads = X264_THREADS_AUTO;
641 p->i_lookahead_threads = atoi(value);
643 OPT("sliced-threads")
644 p->b_sliced_threads = atobool(value);
645 OPT("sync-lookahead")
647 if( !strcmp(value, "auto") )
648 p->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO;
650 p->i_sync_lookahead = atoi(value);
652 OPT2("deterministic", "n-deterministic")
653 p->b_deterministic = atobool(value);
654 OPT("cpu-independent")
655 p->b_cpu_independent = atobool(value);
656 OPT2("level", "level-idc")
658 if( !strcmp(value, "1b") )
660 else if( atof(value) < 6 )
661 p->i_level_idc = (int)(10*atof(value)+.5);
663 p->i_level_idc = atoi(value);
666 p->b_bluray_compat = atobool(value);
669 b_error = ( 2 != sscanf( value, "%d:%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) &&
670 2 != sscanf( value, "%d/%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) );
673 b_error |= parse_enum( value, x264_overscan_names, &p->vui.i_overscan );
675 b_error |= parse_enum( value, x264_vidformat_names, &p->vui.i_vidformat );
677 b_error |= parse_enum( value, x264_fullrange_names, &p->vui.b_fullrange );
679 b_error |= parse_enum( value, x264_colorprim_names, &p->vui.i_colorprim );
681 b_error |= parse_enum( value, x264_transfer_names, &p->vui.i_transfer );
683 b_error |= parse_enum( value, x264_colmatrix_names, &p->vui.i_colmatrix );
686 p->vui.i_chroma_loc = atoi(value);
687 b_error = ( p->vui.i_chroma_loc < 0 || p->vui.i_chroma_loc > 5 );
691 if( sscanf( value, "%u/%u", &p->i_fps_num, &p->i_fps_den ) == 2 )
695 float fps = atof(value);
696 if( fps > 0 && fps <= INT_MAX/1000 )
698 p->i_fps_num = (int)(fps * 1000 + .5);
703 p->i_fps_num = atoi(value);
708 OPT2("ref", "frameref")
709 p->i_frame_reference = atoi(value);
711 p->i_dpb_size = atoi(value);
714 if( strstr( value, "infinite" ) )
715 p->i_keyint_max = X264_KEYINT_MAX_INFINITE;
717 p->i_keyint_max = atoi(value);
719 OPT2("min-keyint", "keyint-min")
721 p->i_keyint_min = atoi(value);
722 if( p->i_keyint_max < p->i_keyint_min )
723 p->i_keyint_max = p->i_keyint_min;
727 p->i_scenecut_threshold = atobool(value);
728 if( b_error || p->i_scenecut_threshold )
731 p->i_scenecut_threshold = atoi(value);
735 p->b_intra_refresh = atobool(value);
737 p->i_bframe = atoi(value);
740 p->i_bframe_adaptive = atobool(value);
744 p->i_bframe_adaptive = atoi(value);
748 p->i_bframe_bias = atoi(value);
751 b_error |= parse_enum( value, x264_b_pyramid_names, &p->i_bframe_pyramid );
755 p->i_bframe_pyramid = atoi(value);
759 p->b_open_gop = atobool(value);
761 p->b_deblocking_filter = !atobool(value);
762 OPT2("filter", "deblock")
764 if( 2 == sscanf( value, "%d:%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) ||
765 2 == sscanf( value, "%d,%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) )
767 p->b_deblocking_filter = 1;
769 else if( sscanf( value, "%d", &p->i_deblocking_filter_alphac0 ) )
771 p->b_deblocking_filter = 1;
772 p->i_deblocking_filter_beta = p->i_deblocking_filter_alphac0;
775 p->b_deblocking_filter = atobool(value);
777 OPT("slice-max-size")
778 p->i_slice_max_size = atoi(value);
780 p->i_slice_max_mbs = atoi(value);
782 p->i_slice_count = atoi(value);
784 p->b_cabac = atobool(value);
786 p->i_cabac_init_idc = atoi(value);
788 p->b_interlaced = atobool(value);
790 p->b_interlaced = p->b_tff = atobool(value);
793 p->b_interlaced = atobool(value);
794 p->b_tff = !p->b_interlaced;
796 OPT("constrained-intra")
797 p->b_constrained_intra = atobool(value);
800 if( strstr( value, "flat" ) )
801 p->i_cqm_preset = X264_CQM_FLAT;
802 else if( strstr( value, "jvt" ) )
803 p->i_cqm_preset = X264_CQM_JVT;
805 p->psz_cqm_file = strdup(value);
808 p->psz_cqm_file = strdup(value);
811 p->i_cqm_preset = X264_CQM_CUSTOM;
812 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
813 b_error |= parse_cqm( value, p->cqm_4py, 16 );
814 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
815 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
819 p->i_cqm_preset = X264_CQM_CUSTOM;
820 b_error |= parse_cqm( value, p->cqm_8iy, 64 );
821 b_error |= parse_cqm( value, p->cqm_8py, 64 );
822 b_error |= parse_cqm( value, p->cqm_8ic, 64 );
823 b_error |= parse_cqm( value, p->cqm_8pc, 64 );
827 p->i_cqm_preset = X264_CQM_CUSTOM;
828 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
829 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
833 p->i_cqm_preset = X264_CQM_CUSTOM;
834 b_error |= parse_cqm( value, p->cqm_4py, 16 );
835 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
839 p->i_cqm_preset = X264_CQM_CUSTOM;
840 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
844 p->i_cqm_preset = X264_CQM_CUSTOM;
845 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
849 p->i_cqm_preset = X264_CQM_CUSTOM;
850 b_error |= parse_cqm( value, p->cqm_4py, 16 );
854 p->i_cqm_preset = X264_CQM_CUSTOM;
855 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
859 p->i_cqm_preset = X264_CQM_CUSTOM;
860 b_error |= parse_cqm( value, p->cqm_8iy, 64 );
861 b_error |= parse_cqm( value, p->cqm_8ic, 64 );
865 p->i_cqm_preset = X264_CQM_CUSTOM;
866 b_error |= parse_cqm( value, p->cqm_8py, 64 );
867 b_error |= parse_cqm( value, p->cqm_8pc, 64 );
870 p->i_log_level = atoi(value);
873 p->b_visualize = atobool(value);
876 p->psz_dump_yuv = strdup(value);
877 OPT2("analyse", "partitions")
879 p->analyse.inter = 0;
880 if( strstr( value, "none" ) ) p->analyse.inter = 0;
881 if( strstr( value, "all" ) ) p->analyse.inter = ~0;
883 if( strstr( value, "i4x4" ) ) p->analyse.inter |= X264_ANALYSE_I4x4;
884 if( strstr( value, "i8x8" ) ) p->analyse.inter |= X264_ANALYSE_I8x8;
885 if( strstr( value, "p8x8" ) ) p->analyse.inter |= X264_ANALYSE_PSUB16x16;
886 if( strstr( value, "p4x4" ) ) p->analyse.inter |= X264_ANALYSE_PSUB8x8;
887 if( strstr( value, "b8x8" ) ) p->analyse.inter |= X264_ANALYSE_BSUB16x16;
890 p->analyse.b_transform_8x8 = atobool(value);
891 OPT2("weightb", "weight-b")
892 p->analyse.b_weighted_bipred = atobool(value);
894 p->analyse.i_weighted_pred = atoi(value);
895 OPT2("direct", "direct-pred")
896 b_error |= parse_enum( value, x264_direct_pred_names, &p->analyse.i_direct_mv_pred );
897 OPT("chroma-qp-offset")
898 p->analyse.i_chroma_qp_offset = atoi(value);
900 b_error |= parse_enum( value, x264_motion_est_names, &p->analyse.i_me_method );
901 OPT2("merange", "me-range")
902 p->analyse.i_me_range = atoi(value);
903 OPT2("mvrange", "mv-range")
904 p->analyse.i_mv_range = atoi(value);
905 OPT2("mvrange-thread", "mv-range-thread")
906 p->analyse.i_mv_range_thread = atoi(value);
907 OPT2("subme", "subq")
908 p->analyse.i_subpel_refine = atoi(value);
911 if( 2 == sscanf( value, "%f:%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
912 2 == sscanf( value, "%f,%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
913 2 == sscanf( value, "%f|%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ))
915 else if( sscanf( value, "%f", &p->analyse.f_psy_rd ) )
917 p->analyse.f_psy_trellis = 0;
921 p->analyse.f_psy_rd = 0;
922 p->analyse.f_psy_trellis = 0;
926 p->analyse.b_psy = atobool(value);
928 p->analyse.b_chroma_me = atobool(value);
930 p->analyse.b_mixed_references = atobool(value);
932 p->analyse.i_trellis = atoi(value);
934 p->analyse.b_fast_pskip = atobool(value);
936 p->analyse.b_dct_decimate = atobool(value);
937 OPT("deadzone-inter")
938 p->analyse.i_luma_deadzone[0] = atoi(value);
939 OPT("deadzone-intra")
940 p->analyse.i_luma_deadzone[1] = atoi(value);
942 p->analyse.i_noise_reduction = atoi(value);
945 p->rc.i_bitrate = atoi(value);
946 p->rc.i_rc_method = X264_RC_ABR;
948 OPT2("qp", "qp_constant")
950 p->rc.i_qp_constant = atoi(value);
951 p->rc.i_rc_method = X264_RC_CQP;
955 p->rc.f_rf_constant = atof(value);
956 p->rc.i_rc_method = X264_RC_CRF;
959 p->rc.f_rf_constant_max = atof(value);
961 p->rc.i_lookahead = atoi(value);
962 OPT2("qpmin", "qp-min")
963 p->rc.i_qp_min = atoi(value);
964 OPT2("qpmax", "qp-max")
965 p->rc.i_qp_max = atoi(value);
966 OPT2("qpstep", "qp-step")
967 p->rc.i_qp_step = atoi(value);
969 p->rc.f_rate_tolerance = !strncmp("inf", value, 3) ? 1e9 : atof(value);
971 p->rc.i_vbv_max_bitrate = atoi(value);
973 p->rc.i_vbv_buffer_size = atoi(value);
975 p->rc.f_vbv_buffer_init = atof(value);
976 OPT2("ipratio", "ip-factor")
977 p->rc.f_ip_factor = atof(value);
978 OPT2("pbratio", "pb-factor")
979 p->rc.f_pb_factor = atof(value);
981 p->rc.i_aq_mode = atoi(value);
983 p->rc.f_aq_strength = atof(value);
986 int pass = x264_clip3( atoi(value), 0, 3 );
987 p->rc.b_stat_write = pass & 1;
988 p->rc.b_stat_read = pass & 2;
992 p->rc.psz_stat_in = strdup(value);
993 p->rc.psz_stat_out = strdup(value);
996 p->rc.f_qcompress = atof(value);
998 p->rc.b_mb_tree = atobool(value);
1000 p->rc.f_qblur = atof(value);
1001 OPT2("cplxblur", "cplx-blur")
1002 p->rc.f_complexity_blur = atof(value);
1004 p->rc.psz_zones = strdup(value);
1006 b_error |= sscanf( value, "%u,%u,%u,%u", &p->crop_rect.i_left, &p->crop_rect.i_top,
1007 &p->crop_rect.i_right, &p->crop_rect.i_bottom ) != 4;
1009 p->analyse.b_psnr = atobool(value);
1011 p->analyse.b_ssim = atobool(value);
1013 p->b_aud = atobool(value);
1015 p->i_sps_id = atoi(value);
1016 OPT("global-header")
1017 p->b_repeat_headers = !atobool(value);
1018 OPT("repeat-headers")
1019 p->b_repeat_headers = atobool(value);
1021 p->b_annexb = atobool(value);
1023 p->b_vfr_input = !atobool(value);
1025 b_error |= parse_enum( value, x264_nal_hrd_names, &p->i_nal_hrd );
1027 p->b_pic_struct = atobool(value);
1028 OPT("fake-interlaced")
1029 p->b_fake_interlaced = atobool(value);
1030 OPT("frame-packing")
1031 p->i_frame_packing = atoi(value);
1033 return X264_PARAM_BAD_NAME;
1043 b_error |= value_was_null && !name_was_bool;
1044 return b_error ? X264_PARAM_BAD_VALUE : 0;
1047 /****************************************************************************
1049 ****************************************************************************/
1050 void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... )
1052 if( !h || i_level <= h->param.i_log_level )
1055 va_start( arg, psz_fmt );
1057 x264_log_default( NULL, i_level, psz_fmt, arg );
1059 h->param.pf_log( h->param.p_log_private, i_level, psz_fmt, arg );
1064 static void x264_log_default( void *p_unused, int i_level, const char *psz_fmt, va_list arg )
1069 case X264_LOG_ERROR:
1070 psz_prefix = "error";
1072 case X264_LOG_WARNING:
1073 psz_prefix = "warning";
1076 psz_prefix = "info";
1078 case X264_LOG_DEBUG:
1079 psz_prefix = "debug";
1082 psz_prefix = "unknown";
1085 fprintf( stderr, "x264 [%s]: ", psz_prefix );
1086 vfprintf( stderr, psz_fmt, arg );
1089 /****************************************************************************
1090 * x264_picture_init:
1091 ****************************************************************************/
1092 void x264_picture_init( x264_picture_t *pic )
1094 memset( pic, 0, sizeof( x264_picture_t ) );
1095 pic->i_type = X264_TYPE_AUTO;
1096 pic->i_qpplus1 = X264_QP_AUTO;
1097 pic->i_pic_struct = PIC_STRUCT_AUTO;
1100 /****************************************************************************
1101 * x264_picture_alloc:
1102 ****************************************************************************/
1103 int x264_picture_alloc( x264_picture_t *pic, int i_csp, int i_width, int i_height )
1112 static const x264_csp_tab_t x264_csp_tab[] =
1114 [X264_CSP_I420] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
1115 [X264_CSP_YV12] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
1116 [X264_CSP_NV12] = { 2, { 256*1, 256*1 }, { 256*1, 256/2 }, },
1117 [X264_CSP_I422] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256*1, 256*1 } },
1118 [X264_CSP_YV16] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256*1, 256*1 } },
1119 [X264_CSP_NV16] = { 2, { 256*1, 256*1 }, { 256*1, 256*1 }, },
1120 [X264_CSP_I444] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
1121 [X264_CSP_YV24] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
1122 [X264_CSP_BGR] = { 1, { 256*3 }, { 256*1 }, },
1123 [X264_CSP_BGRA] = { 1, { 256*4 }, { 256*1 }, },
1124 [X264_CSP_RGB] = { 1, { 256*3 }, { 256*1 }, },
1127 int csp = i_csp & X264_CSP_MASK;
1128 if( csp <= X264_CSP_NONE || csp >= X264_CSP_MAX )
1130 x264_picture_init( pic );
1131 pic->img.i_csp = i_csp;
1132 pic->img.i_plane = x264_csp_tab[csp].planes;
1133 int depth_factor = i_csp & X264_CSP_HIGH_DEPTH ? 2 : 1;
1134 int plane_offset[3] = {0};
1136 for( int i = 0; i < pic->img.i_plane; i++ )
1138 int stride = (((int64_t)i_width * x264_csp_tab[csp].width_fix8[i]) >> 8) * depth_factor;
1139 int plane_size = (((int64_t)i_height * x264_csp_tab[csp].height_fix8[i]) >> 8) * stride;
1140 pic->img.i_stride[i] = stride;
1141 plane_offset[i] = frame_size;
1142 frame_size += plane_size;
1144 pic->img.plane[0] = x264_malloc( frame_size );
1145 if( !pic->img.plane[0] )
1147 for( int i = 1; i < pic->img.i_plane; i++ )
1148 pic->img.plane[i] = pic->img.plane[0] + plane_offset[i];
1152 /****************************************************************************
1153 * x264_picture_clean:
1154 ****************************************************************************/
1155 void x264_picture_clean( x264_picture_t *pic )
1157 x264_free( pic->img.plane[0] );
1159 /* just to be safe */
1160 memset( pic, 0, sizeof( x264_picture_t ) );
1163 /****************************************************************************
1165 ****************************************************************************/
1166 void *x264_malloc( int i_size )
1168 uint8_t *align_buf = NULL;
1169 #if SYS_MACOSX || (SYS_WINDOWS && ARCH_X86_64)
1170 /* Mac OS X and Win x64 always returns 16 byte aligned memory */
1171 align_buf = malloc( i_size );
1173 align_buf = memalign( 16, i_size );
1175 uint8_t *buf = malloc( i_size + 15 + sizeof(void **) );
1178 align_buf = buf + 15 + sizeof(void **);
1179 align_buf -= (intptr_t) align_buf & 15;
1180 *( (void **) ( align_buf - sizeof(void **) ) ) = buf;
1184 x264_log( NULL, X264_LOG_ERROR, "malloc of size %d failed\n", i_size );
1188 /****************************************************************************
1190 ****************************************************************************/
1191 void x264_free( void *p )
1195 #if HAVE_MALLOC_H || SYS_MACOSX || (SYS_WINDOWS && ARCH_X86_64)
1198 free( *( ( ( void **) p ) - 1 ) );
1203 /****************************************************************************
1204 * x264_reduce_fraction:
1205 ****************************************************************************/
1206 #define REDUCE_FRACTION( name, type )\
1207 void name( type *n, type *d )\
1225 REDUCE_FRACTION( x264_reduce_fraction , uint32_t )
1226 REDUCE_FRACTION( x264_reduce_fraction64, uint64_t )
1228 /****************************************************************************
1230 ****************************************************************************/
1231 char *x264_slurp_file( const char *filename )
1236 FILE *fh = fopen( filename, "rb" );
1239 b_error |= fseek( fh, 0, SEEK_END ) < 0;
1240 b_error |= ( i_size = ftell( fh ) ) <= 0;
1241 b_error |= fseek( fh, 0, SEEK_SET ) < 0;
1244 buf = x264_malloc( i_size+2 );
1247 b_error |= fread( buf, 1, i_size, fh ) != i_size;
1248 if( buf[i_size-1] != '\n' )
1249 buf[i_size++] = '\n';
1263 /****************************************************************************
1264 * x264_param2string:
1265 ****************************************************************************/
1266 char *x264_param2string( x264_param_t *p, int b_res )
1270 if( p->rc.psz_zones )
1271 len += strlen(p->rc.psz_zones);
1272 buf = s = x264_malloc( len );
1278 s += sprintf( s, "%dx%d ", p->i_width, p->i_height );
1279 s += sprintf( s, "fps=%u/%u ", p->i_fps_num, p->i_fps_den );
1280 s += sprintf( s, "timebase=%u/%u ", p->i_timebase_num, p->i_timebase_den );
1281 s += sprintf( s, "bitdepth=%d ", BIT_DEPTH );
1284 s += sprintf( s, "cabac=%d", p->b_cabac );
1285 s += sprintf( s, " ref=%d", p->i_frame_reference );
1286 s += sprintf( s, " deblock=%d:%d:%d", p->b_deblocking_filter,
1287 p->i_deblocking_filter_alphac0, p->i_deblocking_filter_beta );
1288 s += sprintf( s, " analyse=%#x:%#x", p->analyse.intra, p->analyse.inter );
1289 s += sprintf( s, " me=%s", x264_motion_est_names[ p->analyse.i_me_method ] );
1290 s += sprintf( s, " subme=%d", p->analyse.i_subpel_refine );
1291 s += sprintf( s, " psy=%d", p->analyse.b_psy );
1292 if( p->analyse.b_psy )
1293 s += sprintf( s, " psy_rd=%.2f:%.2f", p->analyse.f_psy_rd, p->analyse.f_psy_trellis );
1294 s += sprintf( s, " mixed_ref=%d", p->analyse.b_mixed_references );
1295 s += sprintf( s, " me_range=%d", p->analyse.i_me_range );
1296 s += sprintf( s, " chroma_me=%d", p->analyse.b_chroma_me );
1297 s += sprintf( s, " trellis=%d", p->analyse.i_trellis );
1298 s += sprintf( s, " 8x8dct=%d", p->analyse.b_transform_8x8 );
1299 s += sprintf( s, " cqm=%d", p->i_cqm_preset );
1300 s += sprintf( s, " deadzone=%d,%d", p->analyse.i_luma_deadzone[0], p->analyse.i_luma_deadzone[1] );
1301 s += sprintf( s, " fast_pskip=%d", p->analyse.b_fast_pskip );
1302 s += sprintf( s, " chroma_qp_offset=%d", p->analyse.i_chroma_qp_offset );
1303 s += sprintf( s, " threads=%d", p->i_threads );
1304 s += sprintf( s, " lookahead_threads=%d", p->i_lookahead_threads );
1305 s += sprintf( s, " sliced_threads=%d", p->b_sliced_threads );
1306 if( p->i_slice_count )
1307 s += sprintf( s, " slices=%d", p->i_slice_count );
1308 if( p->i_slice_max_size )
1309 s += sprintf( s, " slice_max_size=%d", p->i_slice_max_size );
1310 if( p->i_slice_max_mbs )
1311 s += sprintf( s, " slice_max_mbs=%d", p->i_slice_max_mbs );
1312 s += sprintf( s, " nr=%d", p->analyse.i_noise_reduction );
1313 s += sprintf( s, " decimate=%d", p->analyse.b_dct_decimate );
1314 s += sprintf( s, " interlaced=%s", p->b_interlaced ? p->b_tff ? "tff" : "bff" : p->b_fake_interlaced ? "fake" : "0" );
1315 s += sprintf( s, " bluray_compat=%d", p->b_bluray_compat );
1317 s += sprintf( s, " constrained_intra=%d", p->b_constrained_intra );
1319 s += sprintf( s, " bframes=%d", p->i_bframe );
1322 s += sprintf( s, " b_pyramid=%d b_adapt=%d b_bias=%d direct=%d weightb=%d open_gop=%d",
1323 p->i_bframe_pyramid, p->i_bframe_adaptive, p->i_bframe_bias,
1324 p->analyse.i_direct_mv_pred, p->analyse.b_weighted_bipred, p->b_open_gop );
1326 s += sprintf( s, " weightp=%d", p->analyse.i_weighted_pred > 0 ? p->analyse.i_weighted_pred : 0 );
1328 if( p->i_keyint_max == X264_KEYINT_MAX_INFINITE )
1329 s += sprintf( s, " keyint=infinite" );
1331 s += sprintf( s, " keyint=%d", p->i_keyint_max );
1332 s += sprintf( s, " keyint_min=%d scenecut=%d intra_refresh=%d",
1333 p->i_keyint_min, p->i_scenecut_threshold, p->b_intra_refresh );
1335 if( p->rc.b_mb_tree || p->rc.i_vbv_buffer_size )
1336 s += sprintf( s, " rc_lookahead=%d", p->rc.i_lookahead );
1338 s += sprintf( s, " rc=%s mbtree=%d", p->rc.i_rc_method == X264_RC_ABR ?
1339 ( p->rc.b_stat_read ? "2pass" : p->rc.i_vbv_max_bitrate == p->rc.i_bitrate ? "cbr" : "abr" )
1340 : p->rc.i_rc_method == X264_RC_CRF ? "crf" : "cqp", p->rc.b_mb_tree );
1341 if( p->rc.i_rc_method == X264_RC_ABR || p->rc.i_rc_method == X264_RC_CRF )
1343 if( p->rc.i_rc_method == X264_RC_CRF )
1344 s += sprintf( s, " crf=%.1f", p->rc.f_rf_constant );
1346 s += sprintf( s, " bitrate=%d ratetol=%.1f",
1347 p->rc.i_bitrate, p->rc.f_rate_tolerance );
1348 s += sprintf( s, " qcomp=%.2f qpmin=%d qpmax=%d qpstep=%d",
1349 p->rc.f_qcompress, p->rc.i_qp_min, p->rc.i_qp_max, p->rc.i_qp_step );
1350 if( p->rc.b_stat_read )
1351 s += sprintf( s, " cplxblur=%.1f qblur=%.1f",
1352 p->rc.f_complexity_blur, p->rc.f_qblur );
1353 if( p->rc.i_vbv_buffer_size )
1355 s += sprintf( s, " vbv_maxrate=%d vbv_bufsize=%d",
1356 p->rc.i_vbv_max_bitrate, p->rc.i_vbv_buffer_size );
1357 if( p->rc.i_rc_method == X264_RC_CRF )
1358 s += sprintf( s, " crf_max=%.1f", p->rc.f_rf_constant_max );
1361 else if( p->rc.i_rc_method == X264_RC_CQP )
1362 s += sprintf( s, " qp=%d", p->rc.i_qp_constant );
1364 if( p->rc.i_vbv_buffer_size )
1365 s += sprintf( s, " nal_hrd=%s", x264_nal_hrd_names[p->i_nal_hrd] );
1366 if( p->crop_rect.i_left | p->crop_rect.i_top | p->crop_rect.i_right | p->crop_rect.i_bottom )
1367 s += sprintf( s, " crop_rect=%u,%u,%u,%u", p->crop_rect.i_left, p->crop_rect.i_top,
1368 p->crop_rect.i_right, p->crop_rect.i_bottom );
1369 if( p->i_frame_packing >= 0 )
1370 s += sprintf( s, " frame-packing=%d", p->i_frame_packing );
1372 if( !(p->rc.i_rc_method == X264_RC_CQP && p->rc.i_qp_constant == 0) )
1374 s += sprintf( s, " ip_ratio=%.2f", p->rc.f_ip_factor );
1375 if( p->i_bframe && !p->rc.b_mb_tree )
1376 s += sprintf( s, " pb_ratio=%.2f", p->rc.f_pb_factor );
1377 s += sprintf( s, " aq=%d", p->rc.i_aq_mode );
1378 if( p->rc.i_aq_mode )
1379 s += sprintf( s, ":%.2f", p->rc.f_aq_strength );
1380 if( p->rc.psz_zones )
1381 s += sprintf( s, " zones=%s", p->rc.psz_zones );
1382 else if( p->rc.i_zones )
1383 s += sprintf( s, " zones" );