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 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->b_deterministic = 1;
54 param->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO;
56 /* Video properties */
57 param->i_csp = X264_CHROMA_FORMAT ? X264_CHROMA_FORMAT : X264_CSP_I420;
60 param->vui.i_sar_width = 0;
61 param->vui.i_sar_height= 0;
62 param->vui.i_overscan = 0; /* undef */
63 param->vui.i_vidformat = 5; /* undef */
64 param->vui.b_fullrange = -1; /* default depends on input */
65 param->vui.i_colorprim = 2; /* undef */
66 param->vui.i_transfer = 2; /* undef */
67 param->vui.i_colmatrix = -1; /* default depends on input */
68 param->vui.i_chroma_loc= 0; /* left center */
69 param->i_fps_num = 25;
71 param->i_level_idc = -1;
72 param->i_slice_max_size = 0;
73 param->i_slice_max_mbs = 0;
74 param->i_slice_count = 0;
76 /* Encoder parameters */
77 param->i_frame_reference = 3;
78 param->i_keyint_max = 250;
79 param->i_keyint_min = X264_KEYINT_MIN_AUTO;
81 param->i_scenecut_threshold = 40;
82 param->i_bframe_adaptive = X264_B_ADAPT_FAST;
83 param->i_bframe_bias = 0;
84 param->i_bframe_pyramid = X264_B_PYRAMID_NORMAL;
85 param->b_interlaced = 0;
86 param->b_constrained_intra = 0;
88 param->b_deblocking_filter = 1;
89 param->i_deblocking_filter_alphac0 = 0;
90 param->i_deblocking_filter_beta = 0;
93 param->i_cabac_init_idc = 0;
95 param->rc.i_rc_method = X264_RC_CRF;
96 param->rc.i_bitrate = 0;
97 param->rc.f_rate_tolerance = 1.0;
98 param->rc.i_vbv_max_bitrate = 0;
99 param->rc.i_vbv_buffer_size = 0;
100 param->rc.f_vbv_buffer_init = 0.9;
101 param->rc.i_qp_constant = 23 + QP_BD_OFFSET;
102 param->rc.f_rf_constant = 23;
103 param->rc.i_qp_min = 0;
104 param->rc.i_qp_max = QP_MAX;
105 param->rc.i_qp_step = 4;
106 param->rc.f_ip_factor = 1.4;
107 param->rc.f_pb_factor = 1.3;
108 param->rc.i_aq_mode = X264_AQ_VARIANCE;
109 param->rc.f_aq_strength = 1.0;
110 param->rc.i_lookahead = 40;
112 param->rc.b_stat_write = 0;
113 param->rc.psz_stat_out = "x264_2pass.log";
114 param->rc.b_stat_read = 0;
115 param->rc.psz_stat_in = "x264_2pass.log";
116 param->rc.f_qcompress = 0.6;
117 param->rc.f_qblur = 0.5;
118 param->rc.f_complexity_blur = 20;
119 param->rc.i_zones = 0;
120 param->rc.b_mb_tree = 1;
123 param->pf_log = x264_log_default;
124 param->p_log_private = NULL;
125 param->i_log_level = X264_LOG_INFO;
128 param->analyse.intra = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8;
129 param->analyse.inter = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8
130 | X264_ANALYSE_PSUB16x16 | X264_ANALYSE_BSUB16x16;
131 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
132 param->analyse.i_me_method = X264_ME_HEX;
133 param->analyse.f_psy_rd = 1.0;
134 param->analyse.b_psy = 1;
135 param->analyse.f_psy_trellis = 0;
136 param->analyse.i_me_range = 16;
137 param->analyse.i_subpel_refine = 7;
138 param->analyse.b_mixed_references = 1;
139 param->analyse.b_chroma_me = 1;
140 param->analyse.i_mv_range_thread = -1;
141 param->analyse.i_mv_range = -1; // set from level_idc
142 param->analyse.i_chroma_qp_offset = 0;
143 param->analyse.b_fast_pskip = 1;
144 param->analyse.b_weighted_bipred = 1;
145 param->analyse.i_weighted_pred = X264_WEIGHTP_SMART;
146 param->analyse.b_dct_decimate = 1;
147 param->analyse.b_transform_8x8 = 1;
148 param->analyse.i_trellis = 1;
149 param->analyse.i_luma_deadzone[0] = 21;
150 param->analyse.i_luma_deadzone[1] = 11;
151 param->analyse.b_psnr = 0;
152 param->analyse.b_ssim = 0;
154 param->i_cqm_preset = X264_CQM_FLAT;
155 memset( param->cqm_4iy, 16, sizeof( param->cqm_4iy ) );
156 memset( param->cqm_4py, 16, sizeof( param->cqm_4py ) );
157 memset( param->cqm_4ic, 16, sizeof( param->cqm_4ic ) );
158 memset( param->cqm_4pc, 16, sizeof( param->cqm_4pc ) );
159 memset( param->cqm_8iy, 16, sizeof( param->cqm_8iy ) );
160 memset( param->cqm_8py, 16, sizeof( param->cqm_8py ) );
161 memset( param->cqm_8ic, 16, sizeof( param->cqm_8ic ) );
162 memset( param->cqm_8pc, 16, sizeof( param->cqm_8pc ) );
164 param->b_repeat_headers = 1;
167 param->b_vfr_input = 1;
168 param->i_nal_hrd = X264_NAL_HRD_NONE;
170 param->b_pic_struct = 0;
171 param->b_fake_interlaced = 0;
172 param->i_frame_packing = -1;
175 static int x264_param_apply_preset( x264_param_t *param, const char *preset )
178 int i = strtol( preset, &end, 10 );
179 if( *end == 0 && i >= 0 && i < sizeof(x264_preset_names)/sizeof(*x264_preset_names)-1 )
180 preset = x264_preset_names[i];
182 if( !strcasecmp( preset, "ultrafast" ) )
184 param->i_frame_reference = 1;
185 param->i_scenecut_threshold = 0;
186 param->b_deblocking_filter = 0;
189 param->analyse.intra = 0;
190 param->analyse.inter = 0;
191 param->analyse.b_transform_8x8 = 0;
192 param->analyse.i_me_method = X264_ME_DIA;
193 param->analyse.i_subpel_refine = 0;
194 param->rc.i_aq_mode = 0;
195 param->analyse.b_mixed_references = 0;
196 param->analyse.i_trellis = 0;
197 param->i_bframe_adaptive = X264_B_ADAPT_NONE;
198 param->rc.b_mb_tree = 0;
199 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
200 param->analyse.b_weighted_bipred = 0;
201 param->rc.i_lookahead = 0;
203 else if( !strcasecmp( preset, "superfast" ) )
205 param->analyse.inter = X264_ANALYSE_I8x8|X264_ANALYSE_I4x4;
206 param->analyse.i_me_method = X264_ME_DIA;
207 param->analyse.i_subpel_refine = 1;
208 param->i_frame_reference = 1;
209 param->analyse.b_mixed_references = 0;
210 param->analyse.i_trellis = 0;
211 param->rc.b_mb_tree = 0;
212 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
213 param->rc.i_lookahead = 0;
215 else if( !strcasecmp( preset, "veryfast" ) )
217 param->analyse.i_me_method = X264_ME_HEX;
218 param->analyse.i_subpel_refine = 2;
219 param->i_frame_reference = 1;
220 param->analyse.b_mixed_references = 0;
221 param->analyse.i_trellis = 0;
222 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
223 param->rc.i_lookahead = 10;
225 else if( !strcasecmp( preset, "faster" ) )
227 param->analyse.b_mixed_references = 0;
228 param->i_frame_reference = 2;
229 param->analyse.i_subpel_refine = 4;
230 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
231 param->rc.i_lookahead = 20;
233 else if( !strcasecmp( preset, "fast" ) )
235 param->i_frame_reference = 2;
236 param->analyse.i_subpel_refine = 6;
237 param->analyse.i_weighted_pred = X264_WEIGHTP_SIMPLE;
238 param->rc.i_lookahead = 30;
240 else if( !strcasecmp( preset, "medium" ) )
242 /* Default is medium */
244 else if( !strcasecmp( preset, "slow" ) )
246 param->analyse.i_me_method = X264_ME_UMH;
247 param->analyse.i_subpel_refine = 8;
248 param->i_frame_reference = 5;
249 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
250 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
251 param->rc.i_lookahead = 50;
253 else if( !strcasecmp( preset, "slower" ) )
255 param->analyse.i_me_method = X264_ME_UMH;
256 param->analyse.i_subpel_refine = 9;
257 param->i_frame_reference = 8;
258 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
259 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
260 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
261 param->analyse.i_trellis = 2;
262 param->rc.i_lookahead = 60;
264 else if( !strcasecmp( preset, "veryslow" ) )
266 param->analyse.i_me_method = X264_ME_UMH;
267 param->analyse.i_subpel_refine = 10;
268 param->analyse.i_me_range = 24;
269 param->i_frame_reference = 16;
270 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
271 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
272 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
273 param->analyse.i_trellis = 2;
275 param->rc.i_lookahead = 60;
277 else if( !strcasecmp( preset, "placebo" ) )
279 param->analyse.i_me_method = X264_ME_TESA;
280 param->analyse.i_subpel_refine = 11;
281 param->analyse.i_me_range = 24;
282 param->i_frame_reference = 16;
283 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
284 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
285 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
286 param->analyse.b_fast_pskip = 0;
287 param->analyse.i_trellis = 2;
288 param->i_bframe = 16;
289 param->rc.i_lookahead = 60;
293 x264_log( NULL, X264_LOG_ERROR, "invalid preset '%s'\n", preset );
299 static int x264_param_apply_tune( x264_param_t *param, const char *tune )
301 char *tmp = x264_malloc( strlen( tune ) + 1 );
304 tmp = strcpy( tmp, tune );
305 char *s = strtok( tmp, ",./-+" );
306 int psy_tuning_used = 0;
309 if( !strncasecmp( s, "film", 4 ) )
311 if( psy_tuning_used++ ) goto psy_failure;
312 param->i_deblocking_filter_alphac0 = -1;
313 param->i_deblocking_filter_beta = -1;
314 param->analyse.f_psy_trellis = 0.15;
316 else if( !strncasecmp( s, "animation", 9 ) )
318 if( psy_tuning_used++ ) goto psy_failure;
319 param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
320 param->i_deblocking_filter_alphac0 = 1;
321 param->i_deblocking_filter_beta = 1;
322 param->analyse.f_psy_rd = 0.4;
323 param->rc.f_aq_strength = 0.6;
324 param->i_bframe += 2;
326 else if( !strncasecmp( s, "grain", 5 ) )
328 if( psy_tuning_used++ ) goto psy_failure;
329 param->i_deblocking_filter_alphac0 = -2;
330 param->i_deblocking_filter_beta = -2;
331 param->analyse.f_psy_trellis = 0.25;
332 param->analyse.b_dct_decimate = 0;
333 param->rc.f_pb_factor = 1.1;
334 param->rc.f_ip_factor = 1.1;
335 param->rc.f_aq_strength = 0.5;
336 param->analyse.i_luma_deadzone[0] = 6;
337 param->analyse.i_luma_deadzone[1] = 6;
338 param->rc.f_qcompress = 0.8;
340 else if( !strncasecmp( s, "stillimage", 5 ) )
342 if( psy_tuning_used++ ) goto psy_failure;
343 param->i_deblocking_filter_alphac0 = -3;
344 param->i_deblocking_filter_beta = -3;
345 param->analyse.f_psy_rd = 2.0;
346 param->analyse.f_psy_trellis = 0.7;
347 param->rc.f_aq_strength = 1.2;
349 else if( !strncasecmp( s, "psnr", 4 ) )
351 if( psy_tuning_used++ ) goto psy_failure;
352 param->rc.i_aq_mode = X264_AQ_NONE;
353 param->analyse.b_psy = 0;
355 else if( !strncasecmp( s, "ssim", 4 ) )
357 if( psy_tuning_used++ ) goto psy_failure;
358 param->rc.i_aq_mode = X264_AQ_AUTOVARIANCE;
359 param->analyse.b_psy = 0;
361 else if( !strncasecmp( s, "fastdecode", 10 ) )
363 param->b_deblocking_filter = 0;
365 param->analyse.b_weighted_bipred = 0;
366 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
368 else if( !strncasecmp( s, "zerolatency", 11 ) )
370 param->rc.i_lookahead = 0;
371 param->i_sync_lookahead = 0;
373 param->b_sliced_threads = 1;
374 param->b_vfr_input = 0;
375 param->rc.b_mb_tree = 0;
377 else if( !strncasecmp( s, "touhou", 6 ) )
379 if( psy_tuning_used++ ) goto psy_failure;
380 param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
381 param->i_deblocking_filter_alphac0 = -1;
382 param->i_deblocking_filter_beta = -1;
383 param->analyse.f_psy_trellis = 0.2;
384 param->rc.f_aq_strength = 1.3;
385 if( param->analyse.inter & X264_ANALYSE_PSUB16x16 )
386 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
390 x264_log( NULL, X264_LOG_ERROR, "invalid tune '%s'\n", s );
397 x264_log( NULL, X264_LOG_WARNING, "only 1 psy tuning can be used: ignoring tune %s\n", s );
399 s = strtok( NULL, ",./-+" );
405 int x264_param_default_preset( x264_param_t *param, const char *preset, const char *tune )
407 x264_param_default( param );
409 if( preset && x264_param_apply_preset( param, preset ) < 0 )
411 if( tune && x264_param_apply_tune( param, tune ) < 0 )
416 void x264_param_apply_fastfirstpass( x264_param_t *param )
418 /* Set faster options in case of turbo firstpass. */
419 if( param->rc.b_stat_write && !param->rc.b_stat_read )
421 param->i_frame_reference = 1;
422 param->analyse.b_transform_8x8 = 0;
423 param->analyse.inter = 0;
424 param->analyse.i_me_method = X264_ME_DIA;
425 param->analyse.i_subpel_refine = X264_MIN( 2, param->analyse.i_subpel_refine );
426 param->analyse.i_trellis = 0;
427 param->analyse.b_fast_pskip = 1;
431 static int profile_string_to_int( const char *str )
433 if( !strcasecmp( str, "baseline" ) )
434 return PROFILE_BASELINE;
435 if( !strcasecmp( str, "main" ) )
437 if( !strcasecmp( str, "high" ) )
439 if( !strcasecmp( str, "high10" ) )
440 return PROFILE_HIGH10;
441 if( !strcasecmp( str, "high422" ) )
442 return PROFILE_HIGH422;
443 if( !strcasecmp( str, "high444" ) )
444 return PROFILE_HIGH444_PREDICTIVE;
448 int x264_param_apply_profile( x264_param_t *param, const char *profile )
453 int p = profile_string_to_int( profile );
456 x264_log( NULL, X264_LOG_ERROR, "invalid profile: %s\n", profile );
459 if( p < PROFILE_HIGH444_PREDICTIVE && ((param->rc.i_rc_method == X264_RC_CQP && param->rc.i_qp_constant <= 0) ||
460 (param->rc.i_rc_method == X264_RC_CRF && (int)(param->rc.f_rf_constant + QP_BD_OFFSET) <= 0)) )
462 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support lossless\n", profile );
465 if( p < PROFILE_HIGH444_PREDICTIVE && (param->i_csp & X264_CSP_MASK) >= X264_CSP_I444 )
467 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support 4:4:4\n", profile );
470 if( p < PROFILE_HIGH422 && (param->i_csp & X264_CSP_MASK) >= X264_CSP_I422 )
472 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support 4:2:2\n", profile );
475 if( p < PROFILE_HIGH10 && BIT_DEPTH > 8 )
477 x264_log( NULL, X264_LOG_ERROR, "%s profile doesn't support a bit depth of %d\n", profile, BIT_DEPTH );
481 if( p == PROFILE_BASELINE )
483 param->analyse.b_transform_8x8 = 0;
485 param->i_cqm_preset = X264_CQM_FLAT;
486 param->psz_cqm_file = NULL;
488 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
489 if( param->b_interlaced )
491 x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support interlacing\n" );
494 if( param->b_fake_interlaced )
496 x264_log( NULL, X264_LOG_ERROR, "baseline profile doesn't support fake interlacing\n" );
500 else if( p == PROFILE_MAIN )
502 param->analyse.b_transform_8x8 = 0;
503 param->i_cqm_preset = X264_CQM_FLAT;
504 param->psz_cqm_file = NULL;
509 static int parse_enum( const char *arg, const char * const *names, int *dst )
511 for( int i = 0; names[i]; i++ )
512 if( !strcmp( arg, names[i] ) )
520 static int parse_cqm( const char *str, uint8_t *cqm, int length )
525 if( !sscanf( str, "%d", &coef ) || coef < 1 || coef > 255 )
528 } while( i < length && (str = strchr( str, ',' )) && str++ );
529 return (i == length) ? 0 : -1;
532 static int x264_atobool( const char *str, int *b_error )
534 if( !strcmp(str, "1") ||
535 !strcmp(str, "true") ||
536 !strcmp(str, "yes") )
538 if( !strcmp(str, "0") ||
539 !strcmp(str, "false") ||
546 static int x264_atoi( const char *str, int *b_error )
549 int v = strtol( str, &end, 0 );
550 if( end == str || *end != '\0' )
555 static double x264_atof( const char *str, int *b_error )
558 double v = strtod( str, &end );
559 if( end == str || *end != '\0' )
564 #define atobool(str) ( name_was_bool = 1, x264_atobool( str, &b_error ) )
565 #define atoi(str) x264_atoi( str, &b_error )
566 #define atof(str) x264_atof( str, &b_error )
568 int x264_param_parse( x264_param_t *p, const char *name, const char *value )
570 char *name_buf = NULL;
573 int value_was_null = !value;
577 return X264_PARAM_BAD_NAME;
581 if( value[0] == '=' )
584 if( strchr( name, '_' ) ) // s/_/-/g
587 name_buf = strdup(name);
588 while( (c = strchr( name_buf, '_' )) )
593 if( (!strncmp( name, "no-", 3 ) && (i = 3)) ||
594 (!strncmp( name, "no", 2 ) && (i = 2)) )
597 value = atobool(value) ? "false" : "true";
601 #define OPT(STR) else if( !strcmp( name, STR ) )
602 #define OPT2(STR0, STR1) else if( !strcmp( name, STR0 ) || !strcmp( name, STR1 ) )
606 p->cpu = isdigit(value[0]) ? atoi(value) :
607 !strcmp(value, "auto") || atobool(value) ? x264_cpu_detect() : 0;
610 char *buf = strdup(value);
611 char *tok, UNUSED *saveptr=NULL, *init;
614 for( init=buf; (tok=strtok_r(init, ",", &saveptr)); init=NULL )
616 for( i=0; x264_cpu_names[i].flags && strcasecmp(tok, x264_cpu_names[i].name); i++ );
617 p->cpu |= x264_cpu_names[i].flags;
618 if( !x264_cpu_names[i].flags )
622 if( p->cpu & X264_CPU_SSSE3 )
623 p->cpu |= X264_CPU_SSE2_IS_FAST;
624 if( p->cpu & X264_CPU_SSE4 )
625 p->cpu |= X264_CPU_SHUFFLE_IS_FAST;
630 if( !strcmp(value, "auto") )
631 p->i_threads = X264_THREADS_AUTO;
633 p->i_threads = atoi(value);
635 OPT("sliced-threads")
636 p->b_sliced_threads = atobool(value);
637 OPT("sync-lookahead")
639 if( !strcmp(value, "auto") )
640 p->i_sync_lookahead = X264_SYNC_LOOKAHEAD_AUTO;
642 p->i_sync_lookahead = atoi(value);
644 OPT2("deterministic", "n-deterministic")
645 p->b_deterministic = atobool(value);
646 OPT("cpu-independent")
647 p->b_cpu_independent = atobool(value);
648 OPT2("level", "level-idc")
650 if( !strcmp(value, "1b") )
652 else if( atof(value) < 6 )
653 p->i_level_idc = (int)(10*atof(value)+.5);
655 p->i_level_idc = atoi(value);
658 p->b_bluray_compat = atobool(value);
661 b_error = ( 2 != sscanf( value, "%d:%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) &&
662 2 != sscanf( value, "%d/%d", &p->vui.i_sar_width, &p->vui.i_sar_height ) );
665 b_error |= parse_enum( value, x264_overscan_names, &p->vui.i_overscan );
667 b_error |= parse_enum( value, x264_vidformat_names, &p->vui.i_vidformat );
669 b_error |= parse_enum( value, x264_fullrange_names, &p->vui.b_fullrange );
671 b_error |= parse_enum( value, x264_colorprim_names, &p->vui.i_colorprim );
673 b_error |= parse_enum( value, x264_transfer_names, &p->vui.i_transfer );
675 b_error |= parse_enum( value, x264_colmatrix_names, &p->vui.i_colmatrix );
678 p->vui.i_chroma_loc = atoi(value);
679 b_error = ( p->vui.i_chroma_loc < 0 || p->vui.i_chroma_loc > 5 );
683 if( sscanf( value, "%u/%u", &p->i_fps_num, &p->i_fps_den ) == 2 )
687 float fps = atof(value);
688 p->i_fps_num = (int)(fps * 1000 + .5);
692 OPT2("ref", "frameref")
693 p->i_frame_reference = atoi(value);
695 p->i_dpb_size = atoi(value);
698 if( strstr( value, "infinite" ) )
699 p->i_keyint_max = X264_KEYINT_MAX_INFINITE;
701 p->i_keyint_max = atoi(value);
703 OPT2("min-keyint", "keyint-min")
705 p->i_keyint_min = atoi(value);
706 if( p->i_keyint_max < p->i_keyint_min )
707 p->i_keyint_max = p->i_keyint_min;
711 p->i_scenecut_threshold = atobool(value);
712 if( b_error || p->i_scenecut_threshold )
715 p->i_scenecut_threshold = atoi(value);
719 p->b_intra_refresh = atobool(value);
721 p->i_bframe = atoi(value);
724 p->i_bframe_adaptive = atobool(value);
728 p->i_bframe_adaptive = atoi(value);
732 p->i_bframe_bias = atoi(value);
735 b_error |= parse_enum( value, x264_b_pyramid_names, &p->i_bframe_pyramid );
739 p->i_bframe_pyramid = atoi(value);
743 p->b_open_gop = atobool(value);
745 p->b_deblocking_filter = !atobool(value);
746 OPT2("filter", "deblock")
748 if( 2 == sscanf( value, "%d:%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) ||
749 2 == sscanf( value, "%d,%d", &p->i_deblocking_filter_alphac0, &p->i_deblocking_filter_beta ) )
751 p->b_deblocking_filter = 1;
753 else if( sscanf( value, "%d", &p->i_deblocking_filter_alphac0 ) )
755 p->b_deblocking_filter = 1;
756 p->i_deblocking_filter_beta = p->i_deblocking_filter_alphac0;
759 p->b_deblocking_filter = atobool(value);
761 OPT("slice-max-size")
762 p->i_slice_max_size = atoi(value);
764 p->i_slice_max_mbs = atoi(value);
766 p->i_slice_count = atoi(value);
768 p->b_cabac = atobool(value);
770 p->i_cabac_init_idc = atoi(value);
772 p->b_interlaced = atobool(value);
774 p->b_interlaced = p->b_tff = atobool(value);
777 p->b_interlaced = atobool(value);
778 p->b_tff = !p->b_interlaced;
780 OPT("constrained-intra")
781 p->b_constrained_intra = atobool(value);
784 if( strstr( value, "flat" ) )
785 p->i_cqm_preset = X264_CQM_FLAT;
786 else if( strstr( value, "jvt" ) )
787 p->i_cqm_preset = X264_CQM_JVT;
789 p->psz_cqm_file = strdup(value);
792 p->psz_cqm_file = strdup(value);
795 p->i_cqm_preset = X264_CQM_CUSTOM;
796 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
797 b_error |= parse_cqm( value, p->cqm_4py, 16 );
798 b_error |= parse_cqm( value, p->cqm_4ic, 16 );
799 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
803 p->i_cqm_preset = X264_CQM_CUSTOM;
804 b_error |= parse_cqm( value, p->cqm_8iy, 64 );
805 b_error |= parse_cqm( value, p->cqm_8py, 64 );
806 b_error |= parse_cqm( value, p->cqm_8ic, 64 );
807 b_error |= parse_cqm( value, p->cqm_8pc, 64 );
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_4ic, 16 );
817 p->i_cqm_preset = X264_CQM_CUSTOM;
818 b_error |= parse_cqm( value, p->cqm_4py, 16 );
819 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
823 p->i_cqm_preset = X264_CQM_CUSTOM;
824 b_error |= parse_cqm( value, p->cqm_4iy, 16 );
828 p->i_cqm_preset = X264_CQM_CUSTOM;
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 );
838 p->i_cqm_preset = X264_CQM_CUSTOM;
839 b_error |= parse_cqm( value, p->cqm_4pc, 16 );
843 p->i_cqm_preset = X264_CQM_CUSTOM;
844 b_error |= parse_cqm( value, p->cqm_8iy, 64 );
845 b_error |= parse_cqm( value, p->cqm_8ic, 64 );
849 p->i_cqm_preset = X264_CQM_CUSTOM;
850 b_error |= parse_cqm( value, p->cqm_8py, 64 );
851 b_error |= parse_cqm( value, p->cqm_8pc, 64 );
854 p->i_log_level = atoi(value);
857 p->b_visualize = atobool(value);
860 p->psz_dump_yuv = strdup(value);
861 OPT2("analyse", "partitions")
863 p->analyse.inter = 0;
864 if( strstr( value, "none" ) ) p->analyse.inter = 0;
865 if( strstr( value, "all" ) ) p->analyse.inter = ~0;
867 if( strstr( value, "i4x4" ) ) p->analyse.inter |= X264_ANALYSE_I4x4;
868 if( strstr( value, "i8x8" ) ) p->analyse.inter |= X264_ANALYSE_I8x8;
869 if( strstr( value, "p8x8" ) ) p->analyse.inter |= X264_ANALYSE_PSUB16x16;
870 if( strstr( value, "p4x4" ) ) p->analyse.inter |= X264_ANALYSE_PSUB8x8;
871 if( strstr( value, "b8x8" ) ) p->analyse.inter |= X264_ANALYSE_BSUB16x16;
874 p->analyse.b_transform_8x8 = atobool(value);
875 OPT2("weightb", "weight-b")
876 p->analyse.b_weighted_bipred = atobool(value);
878 p->analyse.i_weighted_pred = atoi(value);
879 OPT2("direct", "direct-pred")
880 b_error |= parse_enum( value, x264_direct_pred_names, &p->analyse.i_direct_mv_pred );
881 OPT("chroma-qp-offset")
882 p->analyse.i_chroma_qp_offset = atoi(value);
884 b_error |= parse_enum( value, x264_motion_est_names, &p->analyse.i_me_method );
885 OPT2("merange", "me-range")
886 p->analyse.i_me_range = atoi(value);
887 OPT2("mvrange", "mv-range")
888 p->analyse.i_mv_range = atoi(value);
889 OPT2("mvrange-thread", "mv-range-thread")
890 p->analyse.i_mv_range_thread = atoi(value);
891 OPT2("subme", "subq")
892 p->analyse.i_subpel_refine = atoi(value);
895 if( 2 == sscanf( value, "%f:%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
896 2 == sscanf( value, "%f,%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ) ||
897 2 == sscanf( value, "%f|%f", &p->analyse.f_psy_rd, &p->analyse.f_psy_trellis ))
899 else if( sscanf( value, "%f", &p->analyse.f_psy_rd ) )
901 p->analyse.f_psy_trellis = 0;
905 p->analyse.f_psy_rd = 0;
906 p->analyse.f_psy_trellis = 0;
910 p->analyse.b_psy = atobool(value);
912 p->analyse.b_chroma_me = atobool(value);
914 p->analyse.b_mixed_references = atobool(value);
916 p->analyse.i_trellis = atoi(value);
918 p->analyse.b_fast_pskip = atobool(value);
920 p->analyse.b_dct_decimate = atobool(value);
921 OPT("deadzone-inter")
922 p->analyse.i_luma_deadzone[0] = atoi(value);
923 OPT("deadzone-intra")
924 p->analyse.i_luma_deadzone[1] = atoi(value);
926 p->analyse.i_noise_reduction = atoi(value);
929 p->rc.i_bitrate = atoi(value);
930 p->rc.i_rc_method = X264_RC_ABR;
932 OPT2("qp", "qp_constant")
934 p->rc.i_qp_constant = atoi(value);
935 p->rc.i_rc_method = X264_RC_CQP;
939 p->rc.f_rf_constant = atof(value);
940 p->rc.i_rc_method = X264_RC_CRF;
943 p->rc.f_rf_constant_max = atof(value);
945 p->rc.i_lookahead = atoi(value);
946 OPT2("qpmin", "qp-min")
947 p->rc.i_qp_min = atoi(value);
948 OPT2("qpmax", "qp-max")
949 p->rc.i_qp_max = atoi(value);
950 OPT2("qpstep", "qp-step")
951 p->rc.i_qp_step = atoi(value);
953 p->rc.f_rate_tolerance = !strncmp("inf", value, 3) ? 1e9 : atof(value);
955 p->rc.i_vbv_max_bitrate = atoi(value);
957 p->rc.i_vbv_buffer_size = atoi(value);
959 p->rc.f_vbv_buffer_init = atof(value);
960 OPT2("ipratio", "ip-factor")
961 p->rc.f_ip_factor = atof(value);
962 OPT2("pbratio", "pb-factor")
963 p->rc.f_pb_factor = atof(value);
965 p->rc.i_aq_mode = atoi(value);
967 p->rc.f_aq_strength = atof(value);
970 int pass = x264_clip3( atoi(value), 0, 3 );
971 p->rc.b_stat_write = pass & 1;
972 p->rc.b_stat_read = pass & 2;
976 p->rc.psz_stat_in = strdup(value);
977 p->rc.psz_stat_out = strdup(value);
980 p->rc.f_qcompress = atof(value);
982 p->rc.b_mb_tree = atobool(value);
984 p->rc.f_qblur = atof(value);
985 OPT2("cplxblur", "cplx-blur")
986 p->rc.f_complexity_blur = atof(value);
988 p->rc.psz_zones = strdup(value);
990 b_error |= sscanf( value, "%u,%u,%u,%u", &p->crop_rect.i_left, &p->crop_rect.i_top,
991 &p->crop_rect.i_right, &p->crop_rect.i_bottom ) != 4;
993 p->analyse.b_psnr = atobool(value);
995 p->analyse.b_ssim = atobool(value);
997 p->b_aud = atobool(value);
999 p->i_sps_id = atoi(value);
1000 OPT("global-header")
1001 p->b_repeat_headers = !atobool(value);
1002 OPT("repeat-headers")
1003 p->b_repeat_headers = atobool(value);
1005 p->b_annexb = atobool(value);
1007 p->b_vfr_input = !atobool(value);
1009 b_error |= parse_enum( value, x264_nal_hrd_names, &p->i_nal_hrd );
1011 p->b_pic_struct = atobool(value);
1012 OPT("fake-interlaced")
1013 p->b_fake_interlaced = atobool(value);
1014 OPT("frame-packing")
1015 p->i_frame_packing = atoi(value);
1017 return X264_PARAM_BAD_NAME;
1027 b_error |= value_was_null && !name_was_bool;
1028 return b_error ? X264_PARAM_BAD_VALUE : 0;
1031 /****************************************************************************
1033 ****************************************************************************/
1034 void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... )
1036 if( !h || i_level <= h->param.i_log_level )
1039 va_start( arg, psz_fmt );
1041 x264_log_default( NULL, i_level, psz_fmt, arg );
1043 h->param.pf_log( h->param.p_log_private, i_level, psz_fmt, arg );
1048 static void x264_log_default( void *p_unused, int i_level, const char *psz_fmt, va_list arg )
1053 case X264_LOG_ERROR:
1054 psz_prefix = "error";
1056 case X264_LOG_WARNING:
1057 psz_prefix = "warning";
1060 psz_prefix = "info";
1062 case X264_LOG_DEBUG:
1063 psz_prefix = "debug";
1066 psz_prefix = "unknown";
1069 fprintf( stderr, "x264 [%s]: ", psz_prefix );
1070 vfprintf( stderr, psz_fmt, arg );
1073 /****************************************************************************
1074 * x264_picture_init:
1075 ****************************************************************************/
1076 void x264_picture_init( x264_picture_t *pic )
1078 memset( pic, 0, sizeof( x264_picture_t ) );
1079 pic->i_type = X264_TYPE_AUTO;
1080 pic->i_qpplus1 = X264_QP_AUTO;
1081 pic->i_pic_struct = PIC_STRUCT_AUTO;
1084 /****************************************************************************
1085 * x264_picture_alloc:
1086 ****************************************************************************/
1087 int x264_picture_alloc( x264_picture_t *pic, int i_csp, int i_width, int i_height )
1096 static const x264_csp_tab_t x264_csp_tab[] =
1098 [X264_CSP_I420] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
1099 [X264_CSP_YV12] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256/2, 256/2 } },
1100 [X264_CSP_NV12] = { 2, { 256*1, 256*1 }, { 256*1, 256/2 }, },
1101 [X264_CSP_I422] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256*1, 256*1 } },
1102 [X264_CSP_YV16] = { 3, { 256*1, 256/2, 256/2 }, { 256*1, 256*1, 256*1 } },
1103 [X264_CSP_NV16] = { 2, { 256*1, 256*1 }, { 256*1, 256*1 }, },
1104 [X264_CSP_I444] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
1105 [X264_CSP_YV24] = { 3, { 256*1, 256*1, 256*1 }, { 256*1, 256*1, 256*1 } },
1106 [X264_CSP_BGR] = { 1, { 256*3 }, { 256*1 }, },
1107 [X264_CSP_BGRA] = { 1, { 256*4 }, { 256*1 }, },
1108 [X264_CSP_RGB] = { 1, { 256*3 }, { 256*1 }, },
1111 int csp = i_csp & X264_CSP_MASK;
1112 if( csp <= X264_CSP_NONE || csp >= X264_CSP_MAX )
1114 x264_picture_init( pic );
1115 pic->img.i_csp = i_csp;
1116 pic->img.i_plane = x264_csp_tab[csp].planes;
1117 int depth_factor = i_csp & X264_CSP_HIGH_DEPTH ? 2 : 1;
1118 int plane_offset[3] = {0};
1120 for( int i = 0; i < pic->img.i_plane; i++ )
1122 int stride = (((int64_t)i_width * x264_csp_tab[csp].width_fix8[i]) >> 8) * depth_factor;
1123 int plane_size = (((int64_t)i_height * x264_csp_tab[csp].height_fix8[i]) >> 8) * stride;
1124 pic->img.i_stride[i] = stride;
1125 plane_offset[i] = frame_size;
1126 frame_size += plane_size;
1128 pic->img.plane[0] = x264_malloc( frame_size );
1129 if( !pic->img.plane[0] )
1131 for( int i = 1; i < pic->img.i_plane; i++ )
1132 pic->img.plane[i] = pic->img.plane[0] + plane_offset[i];
1136 /****************************************************************************
1137 * x264_picture_clean:
1138 ****************************************************************************/
1139 void x264_picture_clean( x264_picture_t *pic )
1141 x264_free( pic->img.plane[0] );
1143 /* just to be safe */
1144 memset( pic, 0, sizeof( x264_picture_t ) );
1147 /****************************************************************************
1149 ****************************************************************************/
1150 void *x264_malloc( int i_size )
1152 uint8_t *align_buf = NULL;
1153 #if SYS_MACOSX || (SYS_WINDOWS && ARCH_X86_64)
1154 /* Mac OS X and Win x64 always returns 16 byte aligned memory */
1155 align_buf = malloc( i_size );
1157 align_buf = memalign( 16, i_size );
1159 uint8_t *buf = malloc( i_size + 15 + sizeof(void **) );
1162 align_buf = buf + 15 + sizeof(void **);
1163 align_buf -= (intptr_t) align_buf & 15;
1164 *( (void **) ( align_buf - sizeof(void **) ) ) = buf;
1168 x264_log( NULL, X264_LOG_ERROR, "malloc of size %d failed\n", i_size );
1172 /****************************************************************************
1174 ****************************************************************************/
1175 void x264_free( void *p )
1179 #if HAVE_MALLOC_H || SYS_MACOSX || (SYS_WINDOWS && ARCH_X86_64)
1182 free( *( ( ( void **) p ) - 1 ) );
1187 /****************************************************************************
1188 * x264_reduce_fraction:
1189 ****************************************************************************/
1190 #define REDUCE_FRACTION( name, type )\
1191 void name( type *n, type *d )\
1209 REDUCE_FRACTION( x264_reduce_fraction , uint32_t )
1210 REDUCE_FRACTION( x264_reduce_fraction64, uint64_t )
1212 /****************************************************************************
1214 ****************************************************************************/
1215 char *x264_slurp_file( const char *filename )
1220 FILE *fh = fopen( filename, "rb" );
1223 b_error |= fseek( fh, 0, SEEK_END ) < 0;
1224 b_error |= ( i_size = ftell( fh ) ) <= 0;
1225 b_error |= fseek( fh, 0, SEEK_SET ) < 0;
1228 buf = x264_malloc( i_size+2 );
1231 b_error |= fread( buf, 1, i_size, fh ) != i_size;
1232 if( buf[i_size-1] != '\n' )
1233 buf[i_size++] = '\n';
1247 /****************************************************************************
1248 * x264_param2string:
1249 ****************************************************************************/
1250 char *x264_param2string( x264_param_t *p, int b_res )
1254 if( p->rc.psz_zones )
1255 len += strlen(p->rc.psz_zones);
1256 buf = s = x264_malloc( len );
1262 s += sprintf( s, "%dx%d ", p->i_width, p->i_height );
1263 s += sprintf( s, "fps=%u/%u ", p->i_fps_num, p->i_fps_den );
1264 s += sprintf( s, "timebase=%u/%u ", p->i_timebase_num, p->i_timebase_den );
1265 s += sprintf( s, "bitdepth=%d ", BIT_DEPTH );
1268 s += sprintf( s, "cabac=%d", p->b_cabac );
1269 s += sprintf( s, " ref=%d", p->i_frame_reference );
1270 s += sprintf( s, " deblock=%d:%d:%d", p->b_deblocking_filter,
1271 p->i_deblocking_filter_alphac0, p->i_deblocking_filter_beta );
1272 s += sprintf( s, " analyse=%#x:%#x", p->analyse.intra, p->analyse.inter );
1273 s += sprintf( s, " me=%s", x264_motion_est_names[ p->analyse.i_me_method ] );
1274 s += sprintf( s, " subme=%d", p->analyse.i_subpel_refine );
1275 s += sprintf( s, " psy=%d", p->analyse.b_psy );
1276 if( p->analyse.b_psy )
1277 s += sprintf( s, " psy_rd=%.2f:%.2f", p->analyse.f_psy_rd, p->analyse.f_psy_trellis );
1278 s += sprintf( s, " mixed_ref=%d", p->analyse.b_mixed_references );
1279 s += sprintf( s, " me_range=%d", p->analyse.i_me_range );
1280 s += sprintf( s, " chroma_me=%d", p->analyse.b_chroma_me );
1281 s += sprintf( s, " trellis=%d", p->analyse.i_trellis );
1282 s += sprintf( s, " 8x8dct=%d", p->analyse.b_transform_8x8 );
1283 s += sprintf( s, " cqm=%d", p->i_cqm_preset );
1284 s += sprintf( s, " deadzone=%d,%d", p->analyse.i_luma_deadzone[0], p->analyse.i_luma_deadzone[1] );
1285 s += sprintf( s, " fast_pskip=%d", p->analyse.b_fast_pskip );
1286 s += sprintf( s, " chroma_qp_offset=%d", p->analyse.i_chroma_qp_offset );
1287 s += sprintf( s, " threads=%d", p->i_threads );
1288 s += sprintf( s, " sliced_threads=%d", p->b_sliced_threads );
1289 if( p->i_slice_count )
1290 s += sprintf( s, " slices=%d", p->i_slice_count );
1291 if( p->i_slice_max_size )
1292 s += sprintf( s, " slice_max_size=%d", p->i_slice_max_size );
1293 if( p->i_slice_max_mbs )
1294 s += sprintf( s, " slice_max_mbs=%d", p->i_slice_max_mbs );
1295 s += sprintf( s, " nr=%d", p->analyse.i_noise_reduction );
1296 s += sprintf( s, " decimate=%d", p->analyse.b_dct_decimate );
1297 s += sprintf( s, " interlaced=%s", p->b_interlaced ? p->b_tff ? "tff" : "bff" : p->b_fake_interlaced ? "fake" : "0" );
1298 s += sprintf( s, " bluray_compat=%d", p->b_bluray_compat );
1300 s += sprintf( s, " constrained_intra=%d", p->b_constrained_intra );
1302 s += sprintf( s, " bframes=%d", p->i_bframe );
1305 s += sprintf( s, " b_pyramid=%d b_adapt=%d b_bias=%d direct=%d weightb=%d open_gop=%d",
1306 p->i_bframe_pyramid, p->i_bframe_adaptive, p->i_bframe_bias,
1307 p->analyse.i_direct_mv_pred, p->analyse.b_weighted_bipred, p->b_open_gop );
1309 s += sprintf( s, " weightp=%d", p->analyse.i_weighted_pred > 0 ? p->analyse.i_weighted_pred : 0 );
1311 if( p->i_keyint_max == X264_KEYINT_MAX_INFINITE )
1312 s += sprintf( s, " keyint=infinite" );
1314 s += sprintf( s, " keyint=%d", p->i_keyint_max );
1315 s += sprintf( s, " keyint_min=%d scenecut=%d intra_refresh=%d",
1316 p->i_keyint_min, p->i_scenecut_threshold, p->b_intra_refresh );
1318 if( p->rc.b_mb_tree || p->rc.i_vbv_buffer_size )
1319 s += sprintf( s, " rc_lookahead=%d", p->rc.i_lookahead );
1321 s += sprintf( s, " rc=%s mbtree=%d", p->rc.i_rc_method == X264_RC_ABR ?
1322 ( p->rc.b_stat_read ? "2pass" : p->rc.i_vbv_max_bitrate == p->rc.i_bitrate ? "cbr" : "abr" )
1323 : p->rc.i_rc_method == X264_RC_CRF ? "crf" : "cqp", p->rc.b_mb_tree );
1324 if( p->rc.i_rc_method == X264_RC_ABR || p->rc.i_rc_method == X264_RC_CRF )
1326 if( p->rc.i_rc_method == X264_RC_CRF )
1327 s += sprintf( s, " crf=%.1f", p->rc.f_rf_constant );
1329 s += sprintf( s, " bitrate=%d ratetol=%.1f",
1330 p->rc.i_bitrate, p->rc.f_rate_tolerance );
1331 s += sprintf( s, " qcomp=%.2f qpmin=%d qpmax=%d qpstep=%d",
1332 p->rc.f_qcompress, p->rc.i_qp_min, p->rc.i_qp_max, p->rc.i_qp_step );
1333 if( p->rc.b_stat_read )
1334 s += sprintf( s, " cplxblur=%.1f qblur=%.1f",
1335 p->rc.f_complexity_blur, p->rc.f_qblur );
1336 if( p->rc.i_vbv_buffer_size )
1338 s += sprintf( s, " vbv_maxrate=%d vbv_bufsize=%d",
1339 p->rc.i_vbv_max_bitrate, p->rc.i_vbv_buffer_size );
1340 if( p->rc.i_rc_method == X264_RC_CRF )
1341 s += sprintf( s, " crf_max=%.1f", p->rc.f_rf_constant_max );
1344 else if( p->rc.i_rc_method == X264_RC_CQP )
1345 s += sprintf( s, " qp=%d", p->rc.i_qp_constant );
1347 if( p->rc.i_vbv_buffer_size )
1348 s += sprintf( s, " nal_hrd=%s", x264_nal_hrd_names[p->i_nal_hrd] );
1349 if( p->crop_rect.i_left | p->crop_rect.i_top | p->crop_rect.i_right | p->crop_rect.i_bottom )
1350 s += sprintf( s, " crop_rect=%u,%u,%u,%u", p->crop_rect.i_left, p->crop_rect.i_top,
1351 p->crop_rect.i_right, p->crop_rect.i_bottom );
1352 if( p->i_frame_packing >= 0 )
1353 s += sprintf( s, " frame-packing=%d", p->i_frame_packing );
1355 if( !(p->rc.i_rc_method == X264_RC_CQP && p->rc.i_qp_constant == 0) )
1357 s += sprintf( s, " ip_ratio=%.2f", p->rc.f_ip_factor );
1358 if( p->i_bframe && !p->rc.b_mb_tree )
1359 s += sprintf( s, " pb_ratio=%.2f", p->rc.f_pb_factor );
1360 s += sprintf( s, " aq=%d", p->rc.i_aq_mode );
1361 if( p->rc.i_aq_mode )
1362 s += sprintf( s, ":%.2f", p->rc.f_aq_strength );
1363 if( p->rc.psz_zones )
1364 s += sprintf( s, " zones=%s", p->rc.psz_zones );
1365 else if( p->rc.i_zones )
1366 s += sprintf( s, " zones" );