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;
175 param->i_opencl_device = 0;
176 param->opencl_device_id = NULL;
177 param->psz_clbin_file = NULL;
180 static int x264_param_apply_preset( x264_param_t *param, const char *preset )
183 int i = strtol( preset, &end, 10 );
184 if( *end == 0 && i >= 0 && i < sizeof(x264_preset_names)/sizeof(*x264_preset_names)-1 )
185 preset = x264_preset_names[i];
187 if( !strcasecmp( preset, "ultrafast" ) )
189 param->i_frame_reference = 1;
190 param->i_scenecut_threshold = 0;
191 param->b_deblocking_filter = 0;
194 param->analyse.intra = 0;
195 param->analyse.inter = 0;
196 param->analyse.b_transform_8x8 = 0;
197 param->analyse.i_me_method = X264_ME_DIA;
198 param->analyse.i_subpel_refine = 0;
199 param->rc.i_aq_mode = 0;
200 param->analyse.b_mixed_references = 0;
201 param->analyse.i_trellis = 0;
202 param->i_bframe_adaptive = X264_B_ADAPT_NONE;
203 param->rc.b_mb_tree = 0;
204 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
205 param->analyse.b_weighted_bipred = 0;
206 param->rc.i_lookahead = 0;
208 else if( !strcasecmp( preset, "superfast" ) )
210 param->analyse.inter = X264_ANALYSE_I8x8|X264_ANALYSE_I4x4;
211 param->analyse.i_me_method = X264_ME_DIA;
212 param->analyse.i_subpel_refine = 1;
213 param->i_frame_reference = 1;
214 param->analyse.b_mixed_references = 0;
215 param->analyse.i_trellis = 0;
216 param->rc.b_mb_tree = 0;
217 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
218 param->rc.i_lookahead = 0;
220 else if( !strcasecmp( preset, "veryfast" ) )
222 param->analyse.i_me_method = X264_ME_HEX;
223 param->analyse.i_subpel_refine = 2;
224 param->i_frame_reference = 1;
225 param->analyse.b_mixed_references = 0;
226 param->analyse.i_trellis = 0;
227 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
228 param->rc.i_lookahead = 10;
230 else if( !strcasecmp( preset, "faster" ) )
232 param->analyse.b_mixed_references = 0;
233 param->i_frame_reference = 2;
234 param->analyse.i_subpel_refine = 4;
235 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
236 param->rc.i_lookahead = 20;
238 else if( !strcasecmp( preset, "fast" ) )
240 param->i_frame_reference = 2;
241 param->analyse.i_subpel_refine = 6;
242 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
243 param->rc.i_lookahead = 30;
245 else if( !strcasecmp( preset, "medium" ) )
247 /* Default is medium */
249 else if( !strcasecmp( preset, "slow" ) )
251 param->analyse.i_me_method = X264_ME_UMH;
252 param->analyse.i_subpel_refine = 8;
253 param->i_frame_reference = 5;
254 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
255 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
256 param->rc.i_lookahead = 50;
258 else if( !strcasecmp( preset, "slower" ) )
260 param->analyse.i_me_method = X264_ME_UMH;
261 param->analyse.i_subpel_refine = 9;
262 param->i_frame_reference = 8;
263 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
264 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
265 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
266 param->analyse.i_trellis = 2;
267 param->rc.i_lookahead = 60;
269 else if( !strcasecmp( preset, "veryslow" ) )
271 param->analyse.i_me_method = X264_ME_UMH;
272 param->analyse.i_subpel_refine = 10;
273 param->analyse.i_me_range = 24;
274 param->i_frame_reference = 16;
275 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
276 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
277 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
278 param->analyse.i_trellis = 2;
280 param->rc.i_lookahead = 60;
282 else if( !strcasecmp( preset, "placebo" ) )
284 param->analyse.i_me_method = X264_ME_TESA;
285 param->analyse.i_subpel_refine = 11;
286 param->analyse.i_me_range = 24;
287 param->i_frame_reference = 16;
288 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
289 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
290 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
291 param->analyse.b_fast_pskip = 0;
292 param->analyse.i_trellis = 2;
293 param->i_bframe = 16;
294 param->rc.i_lookahead = 60;
298 x264_log( NULL, X264_LOG_ERROR, "invalid preset '%s'\n", preset );
304 static int x264_param_apply_tune( x264_param_t *param, const char *tune )
306 char *tmp = x264_malloc( strlen( tune ) + 1 );
309 tmp = strcpy( tmp, tune );
310 char *s = strtok( tmp, ",./-+" );
311 int psy_tuning_used = 0;
314 if( !strncasecmp( s, "film", 4 ) )
316 if( psy_tuning_used++ ) goto psy_failure;
317 param->i_deblocking_filter_alphac0 = -1;
318 param->i_deblocking_filter_beta = -1;
319 param->analyse.f_psy_trellis = 0.15;
321 else if( !strncasecmp( s, "animation", 9 ) )
323 if( psy_tuning_used++ ) goto psy_failure;
324 param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
325 param->i_deblocking_filter_alphac0 = 1;
326 param->i_deblocking_filter_beta = 1;
327 param->analyse.f_psy_rd = 0.4;
328 param->rc.f_aq_strength = 0.6;
329 param->i_bframe += 2;
331 else if( !strncasecmp( s, "grain", 5 ) )
333 if( psy_tuning_used++ ) goto psy_failure;
334 param->i_deblocking_filter_alphac0 = -2;
335 param->i_deblocking_filter_beta = -2;
336 param->analyse.f_psy_trellis = 0.25;
337 param->analyse.b_dct_decimate = 0;
338 param->rc.f_pb_factor = 1.1;
339 param->rc.f_ip_factor = 1.1;
340 param->rc.f_aq_strength = 0.5;
341 param->analyse.i_luma_deadzone[0] = 6;
342 param->analyse.i_luma_deadzone[1] = 6;
343 param->rc.f_qcompress = 0.8;
345 else if( !strncasecmp( s, "stillimage", 5 ) )
347 if( psy_tuning_used++ ) goto psy_failure;
348 param->i_deblocking_filter_alphac0 = -3;
349 param->i_deblocking_filter_beta = -3;
350 param->analyse.f_psy_rd = 2.0;
351 param->analyse.f_psy_trellis = 0.7;
352 param->rc.f_aq_strength = 1.2;
354 else if( !strncasecmp( s, "psnr", 4 ) )
356 if( psy_tuning_used++ ) goto psy_failure;
357 param->rc.i_aq_mode = X264_AQ_NONE;
358 param->analyse.b_psy = 0;
360 else if( !strncasecmp( s, "ssim", 4 ) )
362 if( psy_tuning_used++ ) goto psy_failure;
363 param->rc.i_aq_mode = X264_AQ_AUTOVARIANCE;
364 param->analyse.b_psy = 0;
366 else if( !strncasecmp( s, "fastdecode", 10 ) )
368 param->b_deblocking_filter = 0;
370 param->analyse.b_weighted_bipred = 0;
371 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
373 else if( !strncasecmp( s, "zerolatency", 11 ) )
375 param->rc.i_lookahead = 0;
376 param->i_sync_lookahead = 0;
378 param->b_sliced_threads = 1;
379 param->b_vfr_input = 0;
380 param->rc.b_mb_tree = 0;
382 else if( !strncasecmp( s, "touhou", 6 ) )
384 if( psy_tuning_used++ ) goto psy_failure;
385 param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
386 param->i_deblocking_filter_alphac0 = -1;
387 param->i_deblocking_filter_beta = -1;
388 param->analyse.f_psy_trellis = 0.2;
389 param->rc.f_aq_strength = 1.3;
390 if( param->analyse.inter & X264_ANALYSE_PSUB16x16 )
391 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
395 x264_log( NULL, X264_LOG_ERROR, "invalid tune '%s'\n", s );
402 x264_log( NULL, X264_LOG_WARNING, "only 1 psy tuning can be used: ignoring tune %s\n", s );
404 s = strtok( NULL, ",./-+" );
410 int x264_param_default_preset( x264_param_t *param, const char *preset, const char *tune )
412 x264_param_default( param );
414 if( preset && x264_param_apply_preset( param, preset ) < 0 )
416 if( tune && x264_param_apply_tune( param, tune ) < 0 )
421 void x264_param_apply_fastfirstpass( x264_param_t *param )
423 /* Set faster options in case of turbo firstpass. */
424 if( param->rc.b_stat_write && !param->rc.b_stat_read )
426 param->i_frame_reference = 1;
427 param->analyse.b_transform_8x8 = 0;
428 param->analyse.inter = 0;
429 param->analyse.i_me_method = X264_ME_DIA;
430 param->analyse.i_subpel_refine = X264_MIN( 2, param->analyse.i_subpel_refine );
431 param->analyse.i_trellis = 0;
432 param->analyse.b_fast_pskip = 1;
436 static int profile_string_to_int( const char *str )
438 if( !strcasecmp( str, "baseline" ) )
439 return PROFILE_BASELINE;
440 if( !strcasecmp( str, "main" ) )
442 if( !strcasecmp( str, "high" ) )
444 if( !strcasecmp( str, "high10" ) )
445 return PROFILE_HIGH10;
446 if( !strcasecmp( str, "high422" ) )
447 return PROFILE_HIGH422;
448 if( !strcasecmp( str, "high444" ) )
449 return PROFILE_HIGH444_PREDICTIVE;
453 int x264_param_apply_profile( x264_param_t *param, const char *profile )
458 int p = profile_string_to_int( profile );
461 x264_log( NULL, X264_LOG_ERROR, "invalid profile: %s\n", profile );
464 if( p < PROFILE_HIGH444_PREDICTIVE && ((param->rc.i_rc_method == X264_RC_CQP && param->rc.i_qp_constant <= 0) ||
465 (param->rc.i_rc_method == X264_RC_CRF && (int)(param->rc.f_rf_constant + QP_BD_OFFSET) <= 0)) )
467 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support lossless\n", profile );
470 if( p < PROFILE_HIGH444_PREDICTIVE && (param->i_csp & X264_CSP_MASK) >= X264_CSP_I444 )
472 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support 4:4:4\n", profile );
475 if( p < PROFILE_HIGH422 && (param->i_csp & X264_CSP_MASK) >= X264_CSP_I422 )
477 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support 4:2:2\n", profile );
480 if( p < PROFILE_HIGH10 && BIT_DEPTH > 8 )
482 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support a bit depth of %d\n", profile, BIT_DEPTH );
486 if( p == PROFILE_BASELINE )
488 param->analyse.b_transform_8x8 = 0;
490 param->i_cqm_preset = X264_CQM_FLAT;
491 param->psz_cqm_file = NULL;
493 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
494 if( param->b_interlaced )
496 x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support interlacing\n" );
499 if( param->b_fake_interlaced )
501 x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support fake interlacing\n" );
505 else if( p == PROFILE_MAIN )
507 param->analyse.b_transform_8x8 = 0;
508 param->i_cqm_preset = X264_CQM_FLAT;
509 param->psz_cqm_file = NULL;
514 static int parse_enum( const char *arg, const char * const *names, int *dst )
516 for( int i = 0; names[i]; i++ )
517 if( !strcmp( arg, names[i] ) )
525 static int parse_cqm( const char *str, uint8_t *cqm, int length )
530 if( !sscanf( str, "%d", &coef ) || coef < 1 || coef > 255 )
533 } while( i < length && (str = strchr( str, ',' )) && str++ );
534 return (i == length) ? 0 : -1;
537 static int x264_atobool( const char *str, int *b_error )
539 if( !strcmp(str, "1") ||
540 !strcmp(str, "true") ||
541 !strcmp(str, "yes") )
543 if( !strcmp(str, "0") ||
544 !strcmp(str, "false") ||
551 static int x264_atoi( const char *str, int *b_error )
554 int v = strtol( str, &end, 0 );
555 if( end == str || *end != '\0' )
560 static double x264_atof( const char *str, int *b_error )
563 double v = strtod( str, &end );
564 if( end == str || *end != '\0' )
569 #define atobool(str) ( name_was_bool = 1, x264_atobool( str, &b_error ) )
572 #define atoi(str) x264_atoi( str, &b_error )
573 #define atof(str) x264_atof( str, &b_error )
575 int x264_param_parse( x264_param_t *p, const char *name, const char *value )
577 char *name_buf = NULL;
580 int value_was_null = !value;
584 return X264_PARAM_BAD_NAME;
588 if( value[0] == '=' )
591 if( strchr( name, '_' ) ) // s/_/-/g
594 name_buf = strdup(name);
595 while( (c = strchr( name_buf, '_' )) )
600 if( (!strncmp( name, "no-", 3 ) && (i = 3)) ||
601 (!strncmp( name, "no", 2 ) && (i = 2)) )
604 value = atobool(value) ? "false" : "true";
608 #define OPT(STR) else if( !strcmp( name, STR ) )
609 #define OPT2(STR0, STR1) else if( !strcmp( name, STR0 ) || !strcmp( name, STR1 ) )
613 p->cpu = isdigit(value[0]) ? atoi(value) :
614 !strcmp(value, "auto") || atobool(value) ? x264_cpu_detect() : 0;
617 char *buf = strdup(value);
618 char *tok, UNUSED *saveptr=NULL, *init;
621 for( init=buf; (tok=strtok_r(init, ",", &saveptr)); init=NULL )
623 for( i=0; x264_cpu_names[i].flags && strcasecmp(tok, x264_cpu_names[i].name); i++ );
624 p->cpu |= x264_cpu_names[i].flags;
625 if( !x264_cpu_names[i].flags )
629 if( (p->cpu&X264_CPU_SSSE3) && !(p->cpu&X264_CPU_SSE2_IS_SLOW) )
630 p->cpu |= X264_CPU_SSE2_IS_FAST;
635 if( !strcmp(value, "auto") )
636 p->i_threads = X264_THREADS_AUTO;
638 p->i_threads = atoi(value);
640 OPT("lookahead-threads")
642 if( !strcmp(value, "auto") )
643 p->i_lookahead_threads = X264_THREADS_AUTO;
645 p->i_lookahead_threads = atoi(value);
647 OPT("sliced-threads")
648 p->b_sliced_threads = atobool(value);
649 OPT("sync-lookahead")
651 if( !strcmp(value, "auto") )
652 p->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO;
654 p->i_sync_lookahead = atoi(value);
656 OPT2("deterministic", "n-deterministic")
657 p->b_deterministic = atobool(value);
658 OPT("cpu-independent")
659 p->b_cpu_independent = atobool(value);
660 OPT2("level", "level-idc")
662 if( !strcmp(value, "1b") )
664 else if( atof(value) < 6 )
665 p->i_level_idc = (int)(10*atof(value)+.5);
667 p->i_level_idc = atoi(value);
670 p->b_bluray_compat = atobool(value);
673 b_error = ( 2 != sscanf( value, "%d:%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) &&
674 2 != sscanf( value, "%d/%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) );
677 b_error |= parse_enum( value, x264_overscan_names, &p->vui.i_overscan );
679 b_error |= parse_enum( value, x264_vidformat_names, &p->vui.i_vidformat );
681 b_error |= parse_enum( value, x264_fullrange_names, &p->vui.b_fullrange );
683 b_error |= parse_enum( value, x264_colorprim_names, &p->vui.i_colorprim );
685 b_error |= parse_enum( value, x264_transfer_names, &p->vui.i_transfer );
687 b_error |= parse_enum( value, x264_colmatrix_names, &p->vui.i_colmatrix );
690 p->vui.i_chroma_loc = atoi(value);
691 b_error = ( p->vui.i_chroma_loc < 0 || p->vui.i_chroma_loc > 5 );
695 if( sscanf( value, "%u/%u", &p->i_fps_num, &p->i_fps_den ) == 2 )
699 float fps = atof(value);
700 if( fps > 0 && fps <= INT_MAX/1000 )
702 p->i_fps_num = (int)(fps * 1000 + .5);
707 p->i_fps_num = atoi(value);
712 OPT2("ref", "frameref")
713 p->i_frame_reference = atoi(value);
715 p->i_dpb_size = atoi(value);
718 if( strstr( value, "infinite" ) )
719 p->i_keyint_max = X264_KEYINT_MAX_INFINITE;
721 p->i_keyint_max = atoi(value);
723 OPT2("min-keyint", "keyint-min")
725 p->i_keyint_min = atoi(value);
726 if( p->i_keyint_max < p->i_keyint_min )
727 p->i_keyint_max = p->i_keyint_min;
731 p->i_scenecut_threshold = atobool(value);
732 if( b_error || p->i_scenecut_threshold )
735 p->i_scenecut_threshold = atoi(value);
739 p->b_intra_refresh = atobool(value);
741 p->i_bframe = atoi(value);
744 p->i_bframe_adaptive = atobool(value);
748 p->i_bframe_adaptive = atoi(value);
752 p->i_bframe_bias = atoi(value);
755 b_error |= parse_enum( value, x264_b_pyramid_names, &p->i_bframe_pyramid );
759 p->i_bframe_pyramid = atoi(value);
763 p->b_open_gop = atobool(value);
765 p->b_deblocking_filter = !atobool(value);
766 OPT2("filter", "deblock")
768 if( 2 == sscanf( value, "%d:%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) ||
769 2 == sscanf( value, "%d,%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) )
771 p->b_deblocking_filter = 1;
773 else if( sscanf( value, "%d", &p->i_deblocking_filter_alphac0 ) )
775 p->b_deblocking_filter = 1;
776 p->i_deblocking_filter_beta = p->i_deblocking_filter_alphac0;
779 p->b_deblocking_filter = atobool(value);
781 OPT("slice-max-size")
782 p->i_slice_max_size = atoi(value);
784 p->i_slice_max_mbs = atoi(value);
786 p->i_slice_min_mbs = atoi(value);
788 p->i_slice_count = atoi(value);
790 p->i_slice_count_max = atoi(value);
792 p->b_cabac = atobool(value);
794 p->i_cabac_init_idc = atoi(value);
796 p->b_interlaced = atobool(value);
798 p->b_interlaced = p->b_tff = atobool(value);
801 p->b_interlaced = atobool(value);
802 p->b_tff = !p->b_interlaced;
804 OPT("constrained-intra")
805 p->b_constrained_intra = atobool(value);
808 if( strstr( value, "flat" ) )
809 p->i_cqm_preset = X264_CQM_FLAT;
810 else if( strstr( value, "jvt" ) )
811 p->i_cqm_preset = X264_CQM_JVT;
813 p->psz_cqm_file = strdup(value);
816 p->psz_cqm_file = strdup(value);
819 p->i_cqm_preset = X264_CQM_CUSTOM;
820 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
821 b_error |= parse_cqm( value, p->cqm_4py, 16 );
822 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
823 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
827 p->i_cqm_preset = X264_CQM_CUSTOM;
828 b_error |= parse_cqm( value, p->cqm_8iy, 64 );
829 b_error |= parse_cqm( value, p->cqm_8py, 64 );
830 b_error |= parse_cqm( value, p->cqm_8ic, 64 );
831 b_error |= parse_cqm( value, p->cqm_8pc, 64 );
835 p->i_cqm_preset = X264_CQM_CUSTOM;
836 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
837 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
841 p->i_cqm_preset = X264_CQM_CUSTOM;
842 b_error |= parse_cqm( value, p->cqm_4py, 16 );
843 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
847 p->i_cqm_preset = X264_CQM_CUSTOM;
848 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
852 p->i_cqm_preset = X264_CQM_CUSTOM;
853 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
857 p->i_cqm_preset = X264_CQM_CUSTOM;
858 b_error |= parse_cqm( value, p->cqm_4py, 16 );
862 p->i_cqm_preset = X264_CQM_CUSTOM;
863 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
867 p->i_cqm_preset = X264_CQM_CUSTOM;
868 b_error |= parse_cqm( value, p->cqm_8iy, 64 );
869 b_error |= parse_cqm( value, p->cqm_8ic, 64 );
873 p->i_cqm_preset = X264_CQM_CUSTOM;
874 b_error |= parse_cqm( value, p->cqm_8py, 64 );
875 b_error |= parse_cqm( value, p->cqm_8pc, 64 );
878 p->i_log_level = atoi(value);
881 p->b_visualize = atobool(value);
884 p->psz_dump_yuv = strdup(value);
885 OPT2("analyse", "partitions")
887 p->analyse.inter = 0;
888 if( strstr( value, "none" ) ) p->analyse.inter = 0;
889 if( strstr( value, "all" ) ) p->analyse.inter = ~0;
891 if( strstr( value, "i4x4" ) ) p->analyse.inter |= X264_ANALYSE_I4x4;
892 if( strstr( value, "i8x8" ) ) p->analyse.inter |= X264_ANALYSE_I8x8;
893 if( strstr( value, "p8x8" ) ) p->analyse.inter |= X264_ANALYSE_PSUB16x16;
894 if( strstr( value, "p4x4" ) ) p->analyse.inter |= X264_ANALYSE_PSUB8x8;
895 if( strstr( value, "b8x8" ) ) p->analyse.inter |= X264_ANALYSE_BSUB16x16;
898 p->analyse.b_transform_8x8 = atobool(value);
899 OPT2("weightb", "weight-b")
900 p->analyse.b_weighted_bipred = atobool(value);
902 p->analyse.i_weighted_pred = atoi(value);
903 OPT2("direct", "direct-pred")
904 b_error |= parse_enum( value, x264_direct_pred_names, &p->analyse.i_direct_mv_pred );
905 OPT("chroma-qp-offset")
906 p->analyse.i_chroma_qp_offset = atoi(value);
908 b_error |= parse_enum( value, x264_motion_est_names, &p->analyse.i_me_method );
909 OPT2("merange", "me-range")
910 p->analyse.i_me_range = atoi(value);
911 OPT2("mvrange", "mv-range")
912 p->analyse.i_mv_range = atoi(value);
913 OPT2("mvrange-thread", "mv-range-thread")
914 p->analyse.i_mv_range_thread = atoi(value);
915 OPT2("subme", "subq")
916 p->analyse.i_subpel_refine = atoi(value);
919 if( 2 == sscanf( value, "%f:%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
920 2 == sscanf( value, "%f,%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
921 2 == sscanf( value, "%f|%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ))
923 else if( sscanf( value, "%f", &p->analyse.f_psy_rd ) )
925 p->analyse.f_psy_trellis = 0;
929 p->analyse.f_psy_rd = 0;
930 p->analyse.f_psy_trellis = 0;
934 p->analyse.b_psy = atobool(value);
936 p->analyse.b_chroma_me = atobool(value);
938 p->analyse.b_mixed_references = atobool(value);
940 p->analyse.i_trellis = atoi(value);
942 p->analyse.b_fast_pskip = atobool(value);
944 p->analyse.b_dct_decimate = atobool(value);
945 OPT("deadzone-inter")
946 p->analyse.i_luma_deadzone[0] = atoi(value);
947 OPT("deadzone-intra")
948 p->analyse.i_luma_deadzone[1] = atoi(value);
950 p->analyse.i_noise_reduction = atoi(value);
953 p->rc.i_bitrate = atoi(value);
954 p->rc.i_rc_method = X264_RC_ABR;
956 OPT2("qp", "qp_constant")
958 p->rc.i_qp_constant = atoi(value);
959 p->rc.i_rc_method = X264_RC_CQP;
963 p->rc.f_rf_constant = atof(value);
964 p->rc.i_rc_method = X264_RC_CRF;
967 p->rc.f_rf_constant_max = atof(value);
969 p->rc.i_lookahead = atoi(value);
970 OPT2("qpmin", "qp-min")
971 p->rc.i_qp_min = atoi(value);
972 OPT2("qpmax", "qp-max")
973 p->rc.i_qp_max = atoi(value);
974 OPT2("qpstep", "qp-step")
975 p->rc.i_qp_step = atoi(value);
977 p->rc.f_rate_tolerance = !strncmp("inf", value, 3) ? 1e9 : atof(value);
979 p->rc.i_vbv_max_bitrate = atoi(value);
981 p->rc.i_vbv_buffer_size = atoi(value);
983 p->rc.f_vbv_buffer_init = atof(value);
984 OPT2("ipratio", "ip-factor")
985 p->rc.f_ip_factor = atof(value);
986 OPT2("pbratio", "pb-factor")
987 p->rc.f_pb_factor = atof(value);
989 p->rc.i_aq_mode = atoi(value);
991 p->rc.f_aq_strength = atof(value);
994 int pass = x264_clip3( atoi(value), 0, 3 );
995 p->rc.b_stat_write = pass & 1;
996 p->rc.b_stat_read = pass & 2;
1000 p->rc.psz_stat_in = strdup(value);
1001 p->rc.psz_stat_out = strdup(value);
1004 p->rc.f_qcompress = atof(value);
1006 p->rc.b_mb_tree = atobool(value);
1008 p->rc.f_qblur = atof(value);
1009 OPT2("cplxblur", "cplx-blur")
1010 p->rc.f_complexity_blur = atof(value);
1012 p->rc.psz_zones = strdup(value);
1014 b_error |= sscanf( value, "%u,%u,%u,%u", &p->crop_rect.i_left, &p->crop_rect.i_top,
1015 &p->crop_rect.i_right, &p->crop_rect.i_bottom ) != 4;
1017 p->analyse.b_psnr = atobool(value);
1019 p->analyse.b_ssim = atobool(value);
1021 p->b_aud = atobool(value);
1023 p->i_sps_id = atoi(value);
1024 OPT("global-header")
1025 p->b_repeat_headers = !atobool(value);
1026 OPT("repeat-headers")
1027 p->b_repeat_headers = atobool(value);
1029 p->b_annexb = atobool(value);
1031 p->b_vfr_input = !atobool(value);
1033 b_error |= parse_enum( value, x264_nal_hrd_names, &p->i_nal_hrd );
1035 p->b_pic_struct = atobool(value);
1036 OPT("fake-interlaced")
1037 p->b_fake_interlaced = atobool(value);
1038 OPT("frame-packing")
1039 p->i_frame_packing = atoi(value);
1041 p->b_opencl = atobool( value );
1043 p->psz_clbin_file = strdup( value );
1044 OPT("opencl-device")
1045 p->i_opencl_device = atoi( value );
1047 return X264_PARAM_BAD_NAME;
1057 b_error |= value_was_null && !name_was_bool;
1058 return b_error ? X264_PARAM_BAD_VALUE : 0;
1061 /****************************************************************************
1063 ****************************************************************************/
1064 void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... )
1066 if( !h || i_level <= h->param.i_log_level )
1069 va_start( arg, psz_fmt );
1071 x264_log_default( NULL, i_level, psz_fmt, arg );
1073 h->param.pf_log( h->param.p_log_private, i_level, psz_fmt, arg );
1078 static void x264_log_default( void *p_unused, int i_level, const char *psz_fmt, va_list arg )
1083 case X264_LOG_ERROR:
1084 psz_prefix = "error";
1086 case X264_LOG_WARNING:
1087 psz_prefix = "warning";
1090 psz_prefix = "info";
1092 case X264_LOG_DEBUG:
1093 psz_prefix = "debug";
1096 psz_prefix = "unknown";
1099 fprintf( stderr, "x264 [%s]: ", psz_prefix );
1100 vfprintf( stderr, psz_fmt, arg );
1103 /****************************************************************************
1104 * x264_picture_init:
1105 ****************************************************************************/
1106 void x264_picture_init( x264_picture_t *pic )
1108 memset( pic, 0, sizeof( x264_picture_t ) );
1109 pic->i_type = X264_TYPE_AUTO;
1110 pic->i_qpplus1 = X264_QP_AUTO;
1111 pic->i_pic_struct = PIC_STRUCT_AUTO;
1114 /****************************************************************************
1115 * x264_picture_alloc:
1116 ****************************************************************************/
1117 int x264_picture_alloc( x264_picture_t *pic, int i_csp, int i_width, int i_height )
1126 static const x264_csp_tab_t x264_csp_tab[] =
1128 [X264_CSP_I420] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
1129 [X264_CSP_YV12] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
1130 [X264_CSP_NV12] = { 2, { 256*1, 256*1 }, { 256*1, 256/2 }, },
1131 [X264_CSP_I422] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256*1, 256*1 } },
1132 [X264_CSP_YV16] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256*1, 256*1 } },
1133 [X264_CSP_NV16] = { 2, { 256*1, 256*1 }, { 256*1, 256*1 }, },
1134 [X264_CSP_I444] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
1135 [X264_CSP_YV24] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
1136 [X264_CSP_BGR] = { 1, { 256*3 }, { 256*1 }, },
1137 [X264_CSP_BGRA] = { 1, { 256*4 }, { 256*1 }, },
1138 [X264_CSP_RGB] = { 1, { 256*3 }, { 256*1 }, },
1141 int csp = i_csp & X264_CSP_MASK;
1142 if( csp <= X264_CSP_NONE || csp >= X264_CSP_MAX )
1144 x264_picture_init( pic );
1145 pic->img.i_csp = i_csp;
1146 pic->img.i_plane = x264_csp_tab[csp].planes;
1147 int depth_factor = i_csp & X264_CSP_HIGH_DEPTH ? 2 : 1;
1148 int plane_offset[3] = {0};
1150 for( int i = 0; i < pic->img.i_plane; i++ )
1152 int stride = (((int64_t)i_width * x264_csp_tab[csp].width_fix8[i]) >> 8) * depth_factor;
1153 int plane_size = (((int64_t)i_height * x264_csp_tab[csp].height_fix8[i]) >> 8) * stride;
1154 pic->img.i_stride[i] = stride;
1155 plane_offset[i] = frame_size;
1156 frame_size += plane_size;
1158 pic->img.plane[0] = x264_malloc( frame_size );
1159 if( !pic->img.plane[0] )
1161 for( int i = 1; i < pic->img.i_plane; i++ )
1162 pic->img.plane[i] = pic->img.plane[0] + plane_offset[i];
1166 /****************************************************************************
1167 * x264_picture_clean:
1168 ****************************************************************************/
1169 void x264_picture_clean( x264_picture_t *pic )
1171 x264_free( pic->img.plane[0] );
1173 /* just to be safe */
1174 memset( pic, 0, sizeof( x264_picture_t ) );
1177 /****************************************************************************
1179 ****************************************************************************/
1180 void *x264_malloc( int i_size )
1182 uint8_t *align_buf = NULL;
1183 #if SYS_MACOSX || (SYS_WINDOWS && ARCH_X86_64)
1184 /* Mac OS X and Win x64 always returns 16 byte aligned memory */
1185 align_buf = malloc( i_size );
1187 align_buf = memalign( 16, i_size );
1189 uint8_t *buf = malloc( i_size + 15 + sizeof(void **) );
1192 align_buf = buf + 15 + sizeof(void **);
1193 align_buf -= (intptr_t) align_buf & 15;
1194 *( (void **) ( align_buf - sizeof(void **) ) ) = buf;
1198 x264_log( NULL, X264_LOG_ERROR, "malloc of size %d failed\n", i_size );
1202 /****************************************************************************
1204 ****************************************************************************/
1205 void x264_free( void *p )
1209 #if HAVE_MALLOC_H || SYS_MACOSX || (SYS_WINDOWS && ARCH_X86_64)
1212 free( *( ( ( void **) p ) - 1 ) );
1217 /****************************************************************************
1218 * x264_reduce_fraction:
1219 ****************************************************************************/
1220 #define REDUCE_FRACTION( name, type )\
1221 void name( type *n, type *d )\
1239 REDUCE_FRACTION( x264_reduce_fraction , uint32_t )
1240 REDUCE_FRACTION( x264_reduce_fraction64, uint64_t )
1242 /****************************************************************************
1244 ****************************************************************************/
1245 char *x264_slurp_file( const char *filename )
1250 FILE *fh = fopen( filename, "rb" );
1253 b_error |= fseek( fh, 0, SEEK_END ) < 0;
1254 b_error |= ( i_size = ftell( fh ) ) <= 0;
1255 b_error |= fseek( fh, 0, SEEK_SET ) < 0;
1258 buf = x264_malloc( i_size+2 );
1261 b_error |= fread( buf, 1, i_size, fh ) != i_size;
1262 if( buf[i_size-1] != '\n' )
1263 buf[i_size++] = '\n';
1277 /****************************************************************************
1278 * x264_param2string:
1279 ****************************************************************************/
1280 char *x264_param2string( x264_param_t *p, int b_res )
1284 if( p->rc.psz_zones )
1285 len += strlen(p->rc.psz_zones);
1286 buf = s = x264_malloc( len );
1292 s += sprintf( s, "%dx%d ", p->i_width, p->i_height );
1293 s += sprintf( s, "fps=%u/%u ", p->i_fps_num, p->i_fps_den );
1294 s += sprintf( s, "timebase=%u/%u ", p->i_timebase_num, p->i_timebase_den );
1295 s += sprintf( s, "bitdepth=%d ", BIT_DEPTH );
1299 s += sprintf( s, "opencl=%d", p->b_opencl );
1300 s += sprintf( s, " cabac=%d", p->b_cabac );
1301 s += sprintf( s, " ref=%d", p->i_frame_reference );
1302 s += sprintf( s, " deblock=%d:%d:%d", p->b_deblocking_filter,
1303 p->i_deblocking_filter_alphac0, p->i_deblocking_filter_beta );
1304 s += sprintf( s, " analyse=%#x:%#x", p->analyse.intra, p->analyse.inter );
1305 s += sprintf( s, " me=%s", x264_motion_est_names[ p->analyse.i_me_method ] );
1306 s += sprintf( s, " subme=%d", p->analyse.i_subpel_refine );
1307 s += sprintf( s, " psy=%d", p->analyse.b_psy );
1308 if( p->analyse.b_psy )
1309 s += sprintf( s, " psy_rd=%.2f:%.2f", p->analyse.f_psy_rd, p->analyse.f_psy_trellis );
1310 s += sprintf( s, " mixed_ref=%d", p->analyse.b_mixed_references );
1311 s += sprintf( s, " me_range=%d", p->analyse.i_me_range );
1312 s += sprintf( s, " chroma_me=%d", p->analyse.b_chroma_me );
1313 s += sprintf( s, " trellis=%d", p->analyse.i_trellis );
1314 s += sprintf( s, " 8x8dct=%d", p->analyse.b_transform_8x8 );
1315 s += sprintf( s, " cqm=%d", p->i_cqm_preset );
1316 s += sprintf( s, " deadzone=%d,%d", p->analyse.i_luma_deadzone[0], p->analyse.i_luma_deadzone[1] );
1317 s += sprintf( s, " fast_pskip=%d", p->analyse.b_fast_pskip );
1318 s += sprintf( s, " chroma_qp_offset=%d", p->analyse.i_chroma_qp_offset );
1319 s += sprintf( s, " threads=%d", p->i_threads );
1320 s += sprintf( s, " lookahead_threads=%d", p->i_lookahead_threads );
1321 s += sprintf( s, " sliced_threads=%d", p->b_sliced_threads );
1322 if( p->i_slice_count )
1323 s += sprintf( s, " slices=%d", p->i_slice_count );
1324 if( p->i_slice_count_max )
1325 s += sprintf( s, " slices_max=%d", p->i_slice_count_max );
1326 if( p->i_slice_max_size )
1327 s += sprintf( s, " slice_max_size=%d", p->i_slice_max_size );
1328 if( p->i_slice_max_mbs )
1329 s += sprintf( s, " slice_max_mbs=%d", p->i_slice_max_mbs );
1330 if( p->i_slice_min_mbs )
1331 s += sprintf( s, " slice_min_mbs=%d", p->i_slice_min_mbs );
1332 s += sprintf( s, " nr=%d", p->analyse.i_noise_reduction );
1333 s += sprintf( s, " decimate=%d", p->analyse.b_dct_decimate );
1334 s += sprintf( s, " interlaced=%s", p->b_interlaced ? p->b_tff ? "tff" : "bff" : p->b_fake_interlaced ? "fake" : "0" );
1335 s += sprintf( s, " bluray_compat=%d", p->b_bluray_compat );
1337 s += sprintf( s, " constrained_intra=%d", p->b_constrained_intra );
1339 s += sprintf( s, " bframes=%d", p->i_bframe );
1342 s += sprintf( s, " b_pyramid=%d b_adapt=%d b_bias=%d direct=%d weightb=%d open_gop=%d",
1343 p->i_bframe_pyramid, p->i_bframe_adaptive, p->i_bframe_bias,
1344 p->analyse.i_direct_mv_pred, p->analyse.b_weighted_bipred, p->b_open_gop );
1346 s += sprintf( s, " weightp=%d", p->analyse.i_weighted_pred > 0 ? p->analyse.i_weighted_pred : 0 );
1348 if( p->i_keyint_max == X264_KEYINT_MAX_INFINITE )
1349 s += sprintf( s, " keyint=infinite" );
1351 s += sprintf( s, " keyint=%d", p->i_keyint_max );
1352 s += sprintf( s, " keyint_min=%d scenecut=%d intra_refresh=%d",
1353 p->i_keyint_min, p->i_scenecut_threshold, p->b_intra_refresh );
1355 if( p->rc.b_mb_tree || p->rc.i_vbv_buffer_size )
1356 s += sprintf( s, " rc_lookahead=%d", p->rc.i_lookahead );
1358 s += sprintf( s, " rc=%s mbtree=%d", p->rc.i_rc_method == X264_RC_ABR ?
1359 ( p->rc.b_stat_read ? "2pass" : p->rc.i_vbv_max_bitrate == p->rc.i_bitrate ? "cbr" : "abr" )
1360 : p->rc.i_rc_method == X264_RC_CRF ? "crf" : "cqp", p->rc.b_mb_tree );
1361 if( p->rc.i_rc_method == X264_RC_ABR || p->rc.i_rc_method == X264_RC_CRF )
1363 if( p->rc.i_rc_method == X264_RC_CRF )
1364 s += sprintf( s, " crf=%.1f", p->rc.f_rf_constant );
1366 s += sprintf( s, " bitrate=%d ratetol=%.1f",
1367 p->rc.i_bitrate, p->rc.f_rate_tolerance );
1368 s += sprintf( s, " qcomp=%.2f qpmin=%d qpmax=%d qpstep=%d",
1369 p->rc.f_qcompress, p->rc.i_qp_min, p->rc.i_qp_max, p->rc.i_qp_step );
1370 if( p->rc.b_stat_read )
1371 s += sprintf( s, " cplxblur=%.1f qblur=%.1f",
1372 p->rc.f_complexity_blur, p->rc.f_qblur );
1373 if( p->rc.i_vbv_buffer_size )
1375 s += sprintf( s, " vbv_maxrate=%d vbv_bufsize=%d",
1376 p->rc.i_vbv_max_bitrate, p->rc.i_vbv_buffer_size );
1377 if( p->rc.i_rc_method == X264_RC_CRF )
1378 s += sprintf( s, " crf_max=%.1f", p->rc.f_rf_constant_max );
1381 else if( p->rc.i_rc_method == X264_RC_CQP )
1382 s += sprintf( s, " qp=%d", p->rc.i_qp_constant );
1384 if( p->rc.i_vbv_buffer_size )
1385 s += sprintf( s, " nal_hrd=%s", x264_nal_hrd_names[p->i_nal_hrd] );
1386 if( p->crop_rect.i_left | p->crop_rect.i_top | p->crop_rect.i_right | p->crop_rect.i_bottom )
1387 s += sprintf( s, " crop_rect=%u,%u,%u,%u", p->crop_rect.i_left, p->crop_rect.i_top,
1388 p->crop_rect.i_right, p->crop_rect.i_bottom );
1389 if( p->i_frame_packing >= 0 )
1390 s += sprintf( s, " frame-packing=%d", p->i_frame_packing );
1392 if( !(p->rc.i_rc_method == X264_RC_CQP && p->rc.i_qp_constant == 0) )
1394 s += sprintf( s, " ip_ratio=%.2f", p->rc.f_ip_factor );
1395 if( p->i_bframe && !p->rc.b_mb_tree )
1396 s += sprintf( s, " pb_ratio=%.2f", p->rc.f_pb_factor );
1397 s += sprintf( s, " aq=%d", p->rc.i_aq_mode );
1398 if( p->rc.i_aq_mode )
1399 s += sprintf( s, ":%.2f", p->rc.f_aq_strength );
1400 if( p->rc.psz_zones )
1401 s += sprintf( s, " zones=%s", p->rc.psz_zones );
1402 else if( p->rc.i_zones )
1403 s += sprintf( s, " zones" );