1 /*****************************************************************************
2 * x264: top-level x264cli functions
3 *****************************************************************************
4 * Copyright (C) 2003-2010 x264 project
6 * Authors: Loren Merritt <lorenm@u.washington.edu>
7 * Laurent Aimar <fenrir@via.ecp.fr>
8 * Steven Walters <kemuri9@gmail.com>
9 * Fiona Glaser <fiona@x264.com>
10 * Kieran Kunhya <kieran@kunhya.com>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
26 * This program is also available under a commercial proprietary license.
27 * For more information, contact us at licensing@x264.com.
28 *****************************************************************************/
37 #include "common/common.h"
39 #include "input/input.h"
40 #include "output/output.h"
41 #include "filters/filters.h"
43 #define FAIL_IF_ERROR( cond, ... ) FAIL_IF_ERR( cond, "x264", __VA_ARGS__ )
48 #define SetConsoleTitle(t)
52 #undef DECLARE_ALIGNED
53 #include <libavformat/avformat.h>
54 #include <libavutil/pixfmt.h>
55 #include <libavutil/pixdesc.h>
59 static volatile int b_ctrl_c = 0;
60 static int b_exit_on_ctrl_c = 0;
61 static void SigIntHandler( int a )
63 if( b_exit_on_ctrl_c )
75 double timebase_convert_multiplier;
79 /* file i/o operation structs */
81 static cli_output_t output;
83 /* video filter operation struct */
84 static cli_vid_filter_t filter;
86 static const char * const demuxer_names[] =
103 static const char * const muxer_names[] =
115 static const char * const pulldown_names[] = { "none", "22", "32", "64", "double", "triple", "euro", 0 };
116 static const char * const log_level_names[] = { "none", "error", "warning", "info", "debug", 0 };
126 X264_PULLDOWN_22 = 1,
129 X264_PULLDOWN_DOUBLE,
130 X264_PULLDOWN_TRIPLE,
134 #define TB PIC_STRUCT_TOP_BOTTOM
135 #define BT PIC_STRUCT_BOTTOM_TOP
136 #define TBT PIC_STRUCT_TOP_BOTTOM_TOP
137 #define BTB PIC_STRUCT_BOTTOM_TOP_BOTTOM
139 static const cli_pulldown_t pulldown_values[] =
141 [X264_PULLDOWN_22] = {1, {TB}, 1.0},
142 [X264_PULLDOWN_32] = {4, {TBT, BT, BTB, TB}, 1.25},
143 [X264_PULLDOWN_64] = {2, {PIC_STRUCT_DOUBLE, PIC_STRUCT_TRIPLE}, 1.0},
144 [X264_PULLDOWN_DOUBLE] = {1, {PIC_STRUCT_DOUBLE}, 2.0},
145 [X264_PULLDOWN_TRIPLE] = {1, {PIC_STRUCT_TRIPLE}, 3.0},
146 [X264_PULLDOWN_EURO] = {24, {TBT, BT, BT, BT, BT, BT, BT, BT, BT, BT, BT, BT,
147 BTB, TB, TB, TB, TB, TB, TB, TB, TB, TB, TB, TB}, 25.0/24.0}
155 // indexed by pic_struct enum
156 static const float pulldown_frame_duration[10] = { 0.0, 1, 0.5, 0.5, 1, 1, 1.5, 1.5, 2, 3 };
158 static void Help( x264_param_t *defaults, int longhelp );
159 static int Parse( int argc, char **argv, x264_param_t *param, cli_opt_t *opt );
160 static int Encode( x264_param_t *param, cli_opt_t *opt );
162 /* logging and printing for within the cli system */
163 static int cli_log_level;
164 void x264_cli_log( const char *name, int i_level, const char *fmt, ... )
166 if( i_level > cli_log_level )
174 case X264_LOG_WARNING:
187 fprintf( stderr, "%s [%s]: ", name, s_level );
189 va_start( arg, fmt );
190 vfprintf( stderr, fmt, arg );
194 void x264_cli_printf( int i_level, const char *fmt, ... )
196 if( i_level > cli_log_level )
199 va_start( arg, fmt );
200 vfprintf( stderr, fmt, arg );
204 static void print_version_info()
207 printf( "x264 "X264_POINTVER"\n" );
209 printf( "x264 0.%d.X\n", X264_BUILD );
211 printf( "built on " __DATE__ ", " );
213 printf( "gcc: " __VERSION__ "\n" );
215 printf( "using a non-gcc compiler\n" );
217 printf( "configuration: --bit-depth=%d\n", x264_bit_depth );
218 printf( "x264 license: " );
220 printf( "GPL version 2 or later\n" );
222 printf( "Non-GPL commercial\n" );
225 const char *license = avformat_license();
226 printf( "libavformat license: %s\n", license );
227 if( !strcmp( license, "nonfree and unredistributable" ) ||
228 (!HAVE_GPL && (!strcmp( license, "GPL version 2 or later" )
229 || !strcmp( license, "GPL version 3 or later" ))))
230 printf( "WARNING: This binary is unredistributable!\n" );
234 /****************************************************************************
236 ****************************************************************************/
237 int main( int argc, char **argv )
244 pthread_win32_process_attach_np();
245 pthread_win32_thread_attach_np();
249 _setmode(_fileno(stdin), _O_BINARY);
250 _setmode(_fileno(stdout), _O_BINARY);
253 /* Parse command line */
254 if( Parse( argc, argv, ¶m, &opt ) < 0 )
257 /* Control-C handler */
258 signal( SIGINT, SigIntHandler );
260 ret = Encode( ¶m, &opt );
263 pthread_win32_thread_detach_np();
264 pthread_win32_process_detach_np();
270 static char const *strtable_lookup( const char * const table[], int idx )
272 int i = 0; while( table[i] ) i++;
273 return ( ( idx >= 0 && idx < i ) ? table[ idx ] : "???" );
276 static char *stringify_names( char *buf, const char * const names[] )
280 for( p[0] = 0; names[i]; i++ )
282 p += sprintf( p, "%s", names[i] );
284 p += sprintf( p, ", " );
289 static void print_csp_names( int longhelp )
294 printf( " - valid csps for `raw' demuxer:\n" );
296 for( int i = X264_CSP_NONE+1; i < X264_CSP_CLI_MAX; i++ )
298 printf( "%s", x264_cli_csps[i].name );
299 if( i+1 < X264_CSP_CLI_MAX )
304 printf( " - valid csps for `lavf' demuxer:\n" );
306 int line_len = strlen( INDENT );
307 for( enum PixelFormat i = PIX_FMT_NONE+1; i < PIX_FMT_NB; i++ )
309 const char *pfname = av_pix_fmt_descriptors[i].name;
310 int name_len = strlen( pfname );
311 if( line_len + name_len > (80 - strlen( ", " )) )
313 printf( "\n" INDENT );
314 line_len = strlen( INDENT );
316 printf( "%s", pfname );
317 line_len += name_len;
318 if( i+1 < PIX_FMT_NB )
328 /*****************************************************************************
330 *****************************************************************************/
331 static void Help( x264_param_t *defaults, int longhelp )
335 #define H1 if(longhelp>=1) printf
336 #define H2 if(longhelp==2) printf
337 H0( "x264 core:%d%s\n"
338 "Syntax: x264 [options] -o outfile infile\n"
340 "Infile can be raw (in which case resolution is required),\n"
341 " or YUV4MPEG (*.y4m),\n"
342 " or Avisynth if compiled with support (%s).\n"
343 " or libav* formats if compiled with lavf support (%s) or ffms support (%s).\n"
344 "Outfile type is selected by filename:\n"
345 " .264 -> Raw bytestream\n"
346 " .mkv -> Matroska\n"
347 " .flv -> Flash Video\n"
348 " .mp4 -> MP4 if compiled with GPAC support (%s)\n"
349 "Output bit depth: %d (configured at compile time)\n"
353 " -h, --help List basic options\n"
354 " --longhelp List more options\n"
355 " --fullhelp List all options\n"
357 X264_BUILD, X264_VERSION,
380 H0( "Example usage:\n" );
382 H0( " Constant quality mode:\n" );
383 H0( " x264 --crf 24 -o <output> <input>\n" );
385 H0( " Two-pass with a bitrate of 1000kbps:\n" );
386 H0( " x264 --pass 1 --bitrate 1000 -o <output> <input>\n" );
387 H0( " x264 --pass 2 --bitrate 1000 -o <output> <input>\n" );
389 H0( " Lossless:\n" );
390 H0( " x264 --crf 0 -o <output> <input>\n" );
392 H0( " Maximum PSNR at the cost of speed and visual quality:\n" );
393 H0( " x264 --preset placebo --tune psnr -o <output> <input>\n" );
395 H0( " Constant bitrate at 1000kbps with a 2 second-buffer:\n");
396 H0( " x264 --vbv-bufsize 2000 --bitrate 1000 -o <output> <input>\n" );
400 H0( " --profile Force the limits of an H.264 profile\n"
401 " Overrides all settings.\n" );
403 " --no-8x8dct --bframes 0 --no-cabac\n"
404 " --cqm flat --weightp 0\n"
408 " --no-8x8dct --cqm flat\n"
414 " Support for bit depth 8-10.\n" );
415 else H0( " - baseline,main,high,high10\n" );
416 H0( " --preset Use a preset to select encoding settings [medium]\n"
417 " Overridden by user settings.\n" );
418 H2( " - ultrafast:\n"
419 " --no-8x8dct --aq-mode 0 --b-adapt 0\n"
420 " --bframes 0 --no-cabac --no-deblock\n"
421 " --no-mbtree --me dia --no-mixed-refs\n"
422 " --partitions none --rc-lookahead 0 --ref 1\n"
423 " --scenecut 0 --subme 0 --trellis 0\n"
424 " --no-weightb --weightp 0\n"
426 " --no-mbtree --me dia --no-mixed-refs\n"
427 " --partitions i8x8,i4x4 --rc-lookahead 0\n"
428 " --ref 1 --subme 1 --trellis 0 --weightp 0\n"
430 " --no-mixed-refs --rc-lookahead 10\n"
431 " --ref 1 --subme 2 --trellis 0 --weightp 0\n"
433 " --no-mixed-refs --rc-lookahead 20\n"
434 " --ref 2 --subme 4 --weightp 1\n"
436 " --rc-lookahead 30 --ref 2 --subme 6\n"
438 " Default settings apply.\n"
440 " --b-adapt 2 --direct auto --me umh\n"
441 " --rc-lookahead 50 --ref 5 --subme 8\n"
443 " --b-adapt 2 --direct auto --me umh\n"
444 " --partitions all --rc-lookahead 60\n"
445 " --ref 8 --subme 9 --trellis 2\n"
447 " --b-adapt 2 --bframes 8 --direct auto\n"
448 " --me umh --merange 24 --partitions all\n"
449 " --ref 16 --subme 10 --trellis 2\n"
450 " --rc-lookahead 60\n"
452 " --bframes 16 --b-adapt 2 --direct auto\n"
453 " --slow-firstpass --no-fast-pskip\n"
454 " --me tesa --merange 24 --partitions all\n"
455 " --rc-lookahead 60 --ref 16 --subme 10\n"
457 else H0( " - ultrafast,superfast,veryfast,faster,fast\n"
458 " - medium,slow,slower,veryslow,placebo\n" );
459 H0( " --tune Tune the settings for a particular type of source\n"
461 " Overridden by user settings.\n"
462 " Multiple tunings are separated by commas.\n"
463 " Only one psy tuning can be used at a time.\n" );
464 H2( " - film (psy tuning):\n"
465 " --deblock -1:-1 --psy-rd <unset>:0.15\n"
466 " - animation (psy tuning):\n"
467 " --bframes {+2} --deblock 1:1\n"
468 " --psy-rd 0.4:<unset> --aq-strength 0.6\n"
469 " --ref {Double if >1 else 1}\n"
470 " - grain (psy tuning):\n"
471 " --aq-strength 0.5 --no-dct-decimate\n"
472 " --deadzone-inter 6 --deadzone-intra 6\n"
473 " --deblock -2:-2 --ipratio 1.1 \n"
474 " --pbratio 1.1 --psy-rd <unset>:0.25\n"
476 " - stillimage (psy tuning):\n"
477 " --aq-strength 1.2 --deblock -3:-3\n"
478 " --psy-rd 2.0:0.7\n"
479 " - psnr (psy tuning):\n"
480 " --aq-mode 0 --no-psy\n"
481 " - ssim (psy tuning):\n"
482 " --aq-mode 2 --no-psy\n"
484 " --no-cabac --no-deblock --no-weightb\n"
487 " --bframes 0 --force-cfr --no-mbtree\n"
488 " --sync-lookahead 0 --sliced-threads\n"
489 " --rc-lookahead 0\n" );
490 else H0( " - psy tunings: film,animation,grain,\n"
491 " stillimage,psnr,ssim\n"
492 " - other tunings: fastdecode,zerolatency\n" );
493 H2( " --slow-firstpass Don't force these faster settings with --pass 1:\n"
494 " --no-8x8dct --me dia --partitions none\n"
495 " --ref 1 --subme {2 if >2 else unchanged}\n"
496 " --trellis 0 --fast-pskip\n" );
497 else H1( " --slow-firstpass Don't force faster settings with --pass 1\n" );
499 H0( "Frame-type options:\n" );
501 H0( " -I, --keyint <integer or \"infinite\"> Maximum GOP size [%d]\n", defaults->i_keyint_max );
502 H2( " -i, --min-keyint <integer> Minimum GOP size [auto]\n" );
503 H2( " --no-scenecut Disable adaptive I-frame decision\n" );
504 H2( " --scenecut <integer> How aggressively to insert extra I-frames [%d]\n", defaults->i_scenecut_threshold );
505 H2( " --intra-refresh Use Periodic Intra Refresh instead of IDR frames\n" );
506 H1( " -b, --bframes <integer> Number of B-frames between I and P [%d]\n", defaults->i_bframe );
507 H1( " --b-adapt <integer> Adaptive B-frame decision method [%d]\n"
508 " Higher values may lower threading efficiency.\n"
511 " - 2: Optimal (slow with high --bframes)\n", defaults->i_bframe_adaptive );
512 H2( " --b-bias <integer> Influences how often B-frames are used [%d]\n", defaults->i_bframe_bias );
513 H1( " --b-pyramid <string> Keep some B-frames as references [%s]\n"
514 " - none: Disabled\n"
515 " - strict: Strictly hierarchical pyramid\n"
516 " - normal: Non-strict (not Blu-ray compatible)\n",
517 strtable_lookup( x264_b_pyramid_names, defaults->i_bframe_pyramid ) );
518 H1( " --open-gop <string> Use recovery points to close GOPs [none]\n"
519 " - none: closed GOPs only\n"
520 " - normal: standard open GOPs\n"
521 " (not Blu-ray compatible)\n"
522 " - bluray: Blu-ray-compatible open GOPs\n"
523 " Only available with b-frames\n" );
524 H1( " --no-cabac Disable CABAC\n" );
525 H1( " -r, --ref <integer> Number of reference frames [%d]\n", defaults->i_frame_reference );
526 H1( " --no-deblock Disable loop filter\n" );
527 H1( " -f, --deblock <alpha:beta> Loop filter parameters [%d:%d]\n",
528 defaults->i_deblocking_filter_alphac0, defaults->i_deblocking_filter_beta );
529 H2( " --slices <integer> Number of slices per frame; forces rectangular\n"
530 " slices and is overridden by other slicing options\n" );
531 else H1( " --slices <integer> Number of slices per frame\n" );
532 H2( " --slice-max-size <integer> Limit the size of each slice in bytes\n");
533 H2( " --slice-max-mbs <integer> Limit the size of each slice in macroblocks\n");
534 H0( " --tff Enable interlaced mode (top field first)\n" );
535 H0( " --bff Enable interlaced mode (bottom field first)\n" );
536 H2( " --constrained-intra Enable constrained intra prediction.\n" );
537 H0( " --pulldown <string> Use soft pulldown to change frame rate\n"
538 " - none, 22, 32, 64, double, triple, euro (requires cfr input)\n" );
539 H2( " --fake-interlaced Flag stream as interlaced but encode progressive.\n"
540 " Makes it possible to encode 25p and 30p Blu-Ray\n"
541 " streams. Ignored in interlaced mode.\n" );
543 H0( "Ratecontrol:\n" );
545 H1( " -q, --qp <integer> Force constant QP (0-%d, 0=lossless)\n", QP_MAX );
546 H0( " -B, --bitrate <integer> Set bitrate (kbit/s)\n" );
547 H0( " --crf <float> Quality-based VBR (0-%d, 0=lossless) [%.1f]\n", QP_MAX, defaults->rc.f_rf_constant );
548 H1( " --rc-lookahead <integer> Number of frames for frametype lookahead [%d]\n", defaults->rc.i_lookahead );
549 H0( " --vbv-maxrate <integer> Max local bitrate (kbit/s) [%d]\n", defaults->rc.i_vbv_max_bitrate );
550 H0( " --vbv-bufsize <integer> Set size of the VBV buffer (kbit) [%d]\n", defaults->rc.i_vbv_buffer_size );
551 H2( " --vbv-init <float> Initial VBV buffer occupancy [%.1f]\n", defaults->rc.f_vbv_buffer_init );
552 H2( " --crf-max <float> With CRF+VBV, limit RF to this value\n"
553 " May cause VBV underflows!\n" );
554 H2( " --qpmin <integer> Set min QP [%d]\n", defaults->rc.i_qp_min );
555 H2( " --qpmax <integer> Set max QP [%d]\n", defaults->rc.i_qp_max );
556 H2( " --qpstep <integer> Set max QP step [%d]\n", defaults->rc.i_qp_step );
557 H2( " --ratetol <float> Tolerance of ABR ratecontrol and VBV [%.1f]\n", defaults->rc.f_rate_tolerance );
558 H2( " --ipratio <float> QP factor between I and P [%.2f]\n", defaults->rc.f_ip_factor );
559 H2( " --pbratio <float> QP factor between P and B [%.2f]\n", defaults->rc.f_pb_factor );
560 H2( " --chroma-qp-offset <integer> QP difference between chroma and luma [%d]\n", defaults->analyse.i_chroma_qp_offset );
561 H2( " --aq-mode <integer> AQ method [%d]\n"
563 " - 1: Variance AQ (complexity mask)\n"
564 " - 2: Auto-variance AQ (experimental)\n", defaults->rc.i_aq_mode );
565 H1( " --aq-strength <float> Reduces blocking and blurring in flat and\n"
566 " textured areas. [%.1f]\n", defaults->rc.f_aq_strength );
568 H0( " -p, --pass <integer> Enable multipass ratecontrol\n"
569 " - 1: First pass, creates stats file\n"
570 " - 2: Last pass, does not overwrite stats file\n" );
571 H2( " - 3: Nth pass, overwrites stats file\n" );
572 H1( " --stats <string> Filename for 2 pass stats [\"%s\"]\n", defaults->rc.psz_stat_out );
573 H2( " --no-mbtree Disable mb-tree ratecontrol.\n");
574 H2( " --qcomp <float> QP curve compression [%.2f]\n", defaults->rc.f_qcompress );
575 H2( " --cplxblur <float> Reduce fluctuations in QP (before curve compression) [%.1f]\n", defaults->rc.f_complexity_blur );
576 H2( " --qblur <float> Reduce fluctuations in QP (after curve compression) [%.1f]\n", defaults->rc.f_qblur );
577 H2( " --zones <zone0>/<zone1>/... Tweak the bitrate of regions of the video\n" );
578 H2( " Each zone is of the form\n"
579 " <start frame>,<end frame>,<option>\n"
580 " where <option> is either\n"
581 " q=<integer> (force QP)\n"
582 " or b=<float> (bitrate multiplier)\n" );
583 H2( " --qpfile <string> Force frametypes and QPs for some or all frames\n"
584 " Format of each line: framenumber frametype QP\n"
585 " QP of -1 lets x264 choose. Frametypes: I,i,K,P,B,b.\n"
586 " K=<I or i> depending on open-gop setting\n"
587 " QPs are restricted by qpmin/qpmax.\n" );
591 H1( " -A, --partitions <string> Partitions to consider [\"p8x8,b8x8,i8x8,i4x4\"]\n"
592 " - p8x8, p4x4, b8x8, i8x8, i4x4\n"
594 " (p4x4 requires p8x8. i8x8 requires --8x8dct.)\n" );
595 H1( " --direct <string> Direct MV prediction mode [\"%s\"]\n"
596 " - none, spatial, temporal, auto\n",
597 strtable_lookup( x264_direct_pred_names, defaults->analyse.i_direct_mv_pred ) );
598 H2( " --no-weightb Disable weighted prediction for B-frames\n" );
599 H1( " --weightp <integer> Weighted prediction for P-frames [%d]\n"
601 " - 1: Blind offset\n"
602 " - 2: Smart analysis\n", defaults->analyse.i_weighted_pred );
603 H1( " --me <string> Integer pixel motion estimation method [\"%s\"]\n",
604 strtable_lookup( x264_motion_est_names, defaults->analyse.i_me_method ) );
605 H2( " - dia: diamond search, radius 1 (fast)\n"
606 " - hex: hexagonal search, radius 2\n"
607 " - umh: uneven multi-hexagon search\n"
608 " - esa: exhaustive search\n"
609 " - tesa: hadamard exhaustive search (slow)\n" );
610 else H1( " - dia, hex, umh\n" );
611 H2( " --merange <integer> Maximum motion vector search range [%d]\n", defaults->analyse.i_me_range );
612 H2( " --mvrange <integer> Maximum motion vector length [-1 (auto)]\n" );
613 H2( " --mvrange-thread <int> Minimum buffer between threads [-1 (auto)]\n" );
614 H1( " -m, --subme <integer> Subpixel motion estimation and mode decision [%d]\n", defaults->analyse.i_subpel_refine );
615 H2( " - 0: fullpel only (not recommended)\n"
616 " - 1: SAD mode decision, one qpel iteration\n"
617 " - 2: SATD mode decision\n"
618 " - 3-5: Progressively more qpel\n"
619 " - 6: RD mode decision for I/P-frames\n"
620 " - 7: RD mode decision for all frames\n"
621 " - 8: RD refinement for I/P-frames\n"
622 " - 9: RD refinement for all frames\n"
623 " - 10: QP-RD - requires trellis=2, aq-mode>0\n" );
624 else H1( " decision quality: 1=fast, 10=best.\n" );
625 H1( " --psy-rd Strength of psychovisual optimization [\"%.1f:%.1f\"]\n"
626 " #1: RD (requires subme>=6)\n"
627 " #2: Trellis (requires trellis, experimental)\n",
628 defaults->analyse.f_psy_rd, defaults->analyse.f_psy_trellis );
629 H2( " --no-psy Disable all visual optimizations that worsen\n"
630 " both PSNR and SSIM.\n" );
631 H2( " --no-mixed-refs Don't decide references on a per partition basis\n" );
632 H2( " --no-chroma-me Ignore chroma in motion estimation\n" );
633 H1( " --no-8x8dct Disable adaptive spatial transform size\n" );
634 H1( " -t, --trellis <integer> Trellis RD quantization. [%d]\n"
636 " - 1: enabled only on the final encode of a MB\n"
637 " - 2: enabled on all mode decisions\n", defaults->analyse.i_trellis );
638 H2( " --no-fast-pskip Disables early SKIP detection on P-frames\n" );
639 H2( " --no-dct-decimate Disables coefficient thresholding on P-frames\n" );
640 H1( " --nr <integer> Noise reduction [%d]\n", defaults->analyse.i_noise_reduction );
642 H2( " --deadzone-inter <int> Set the size of the inter luma quantization deadzone [%d]\n", defaults->analyse.i_luma_deadzone[0] );
643 H2( " --deadzone-intra <int> Set the size of the intra luma quantization deadzone [%d]\n", defaults->analyse.i_luma_deadzone[1] );
644 H2( " Deadzones should be in the range 0 - 32.\n" );
645 H2( " --cqm <string> Preset quant matrices [\"flat\"]\n"
647 H1( " --cqmfile <string> Read custom quant matrices from a JM-compatible file\n" );
648 H2( " Overrides any other --cqm* options.\n" );
649 H2( " --cqm4 <list> Set all 4x4 quant matrices\n"
650 " Takes a comma-separated list of 16 integers.\n" );
651 H2( " --cqm8 <list> Set all 8x8 quant matrices\n"
652 " Takes a comma-separated list of 64 integers.\n" );
653 H2( " --cqm4i, --cqm4p, --cqm8i, --cqm8p\n"
654 " Set both luma and chroma quant matrices\n" );
655 H2( " --cqm4iy, --cqm4ic, --cqm4py, --cqm4pc\n"
656 " Set individual quant matrices\n" );
658 H2( "Video Usability Info (Annex E):\n" );
659 H2( "The VUI settings are not used by the encoder but are merely suggestions to\n" );
660 H2( "the playback equipment. See doc/vui.txt for details. Use at your own risk.\n" );
662 H2( " --overscan <string> Specify crop overscan setting [\"%s\"]\n"
663 " - undef, show, crop\n",
664 strtable_lookup( x264_overscan_names, defaults->vui.i_overscan ) );
665 H2( " --videoformat <string> Specify video format [\"%s\"]\n"
666 " - component, pal, ntsc, secam, mac, undef\n",
667 strtable_lookup( x264_vidformat_names, defaults->vui.i_vidformat ) );
668 H2( " --fullrange <string> Specify full range samples setting [\"%s\"]\n"
670 strtable_lookup( x264_fullrange_names, defaults->vui.b_fullrange ) );
671 H2( " --colorprim <string> Specify color primaries [\"%s\"]\n"
672 " - undef, bt709, bt470m, bt470bg\n"
673 " smpte170m, smpte240m, film\n",
674 strtable_lookup( x264_colorprim_names, defaults->vui.i_colorprim ) );
675 H2( " --transfer <string> Specify transfer characteristics [\"%s\"]\n"
676 " - undef, bt709, bt470m, bt470bg, linear,\n"
677 " log100, log316, smpte170m, smpte240m\n",
678 strtable_lookup( x264_transfer_names, defaults->vui.i_transfer ) );
679 H2( " --colormatrix <string> Specify color matrix setting [\"%s\"]\n"
680 " - undef, bt709, fcc, bt470bg\n"
681 " smpte170m, smpte240m, GBR, YCgCo\n",
682 strtable_lookup( x264_colmatrix_names, defaults->vui.i_colmatrix ) );
683 H2( " --chromaloc <integer> Specify chroma sample location (0 to 5) [%d]\n",
684 defaults->vui.i_chroma_loc );
686 H2( " --nal-hrd <string> Signal HRD information (requires vbv-bufsize)\n"
687 " - none, vbr, cbr (cbr not allowed in .mp4)\n" );
688 H2( " --pic-struct Force pic_struct in Picture Timing SEI\n" );
691 H0( "Input/Output:\n" );
693 H0( " -o, --output Specify output file\n" );
694 H1( " --muxer <string> Specify output container format [\"%s\"]\n"
695 " - %s\n", muxer_names[0], stringify_names( buf, muxer_names ) );
696 H1( " --demuxer <string> Specify input container format [\"%s\"]\n"
697 " - %s\n", demuxer_names[0], stringify_names( buf, demuxer_names ) );
698 H1( " --input-csp <string> Specify input colorspace format for raw input\n" );
699 print_csp_names( longhelp );
700 H1( " --input-depth <integer> Specify input bit depth for raw input\n" );
701 H1( " --input-res <intxint> Specify input resolution (width x height)\n" );
702 H1( " --index <string> Filename for input index file\n" );
703 H0( " --sar width:height Specify Sample Aspect Ratio\n" );
704 H0( " --fps <float|rational> Specify framerate\n" );
705 H0( " --seek <integer> First frame to encode\n" );
706 H0( " --frames <integer> Maximum number of frames to encode\n" );
707 H0( " --level <string> Specify level (as defined by Annex A)\n" );
709 H1( " -v, --verbose Print stats for each frame\n" );
710 H1( " --no-progress Don't show the progress indicator while encoding\n" );
711 H0( " --quiet Quiet Mode\n" );
712 H1( " --log-level <string> Specify the maximum level of logging [\"%s\"]\n"
713 " - %s\n", strtable_lookup( log_level_names, cli_log_level - X264_LOG_NONE ),
714 stringify_names( buf, log_level_names ) );
715 H1( " --psnr Enable PSNR computation\n" );
716 H1( " --ssim Enable SSIM computation\n" );
717 H1( " --threads <integer> Force a specific number of threads\n" );
718 H2( " --sliced-threads Low-latency but lower-efficiency threading\n" );
719 H2( " --thread-input Run Avisynth in its own thread\n" );
720 H2( " --sync-lookahead <integer> Number of buffer frames for threaded lookahead\n" );
721 H2( " --non-deterministic Slightly improve quality of SMP, at the cost of repeatability\n" );
722 H2( " --asm <integer> Override CPU detection\n" );
723 H2( " --no-asm Disable all CPU optimizations\n" );
724 H2( " --visualize Show MB types overlayed on the encoded video\n" );
725 H2( " --dump-yuv <string> Save reconstructed frames\n" );
726 H2( " --sps-id <integer> Set SPS and PPS id numbers [%d]\n", defaults->i_sps_id );
727 H2( " --aud Use access unit delimiters\n" );
728 H2( " --force-cfr Force constant framerate timestamp generation\n" );
729 H2( " --tcfile-in <string> Force timestamp generation with timecode file\n" );
730 H2( " --tcfile-out <string> Output timecode v2 file from input timestamps\n" );
731 H2( " --timebase <int/int> Specify timebase numerator and denominator\n"
732 " <integer> Specify timebase numerator for input timecode file\n"
733 " or specify timebase denominator for other input\n" );
735 H0( "Filtering:\n" );
737 H0( " --vf, --video-filter <filter0>/<filter1>/... Apply video filtering to the input file\n" );
739 H0( " Filter options may be specified in <filter>:<option>=<value> format.\n" );
741 H0( " Available filters:\n" );
742 x264_register_vid_filters();
743 x264_vid_filter_help( longhelp );
777 static char short_options[] = "8A:B:b:f:hI:i:m:o:p:q:r:t:Vvw";
778 static struct option long_options[] =
780 { "help", no_argument, NULL, 'h' },
781 { "longhelp", no_argument, NULL, OPT_LONGHELP },
782 { "fullhelp", no_argument, NULL, OPT_FULLHELP },
783 { "version", no_argument, NULL, 'V' },
784 { "profile", required_argument, NULL, OPT_PROFILE },
785 { "preset", required_argument, NULL, OPT_PRESET },
786 { "tune", required_argument, NULL, OPT_TUNE },
787 { "slow-firstpass", no_argument, NULL, OPT_SLOWFIRSTPASS },
788 { "bitrate", required_argument, NULL, 'B' },
789 { "bframes", required_argument, NULL, 'b' },
790 { "b-adapt", required_argument, NULL, 0 },
791 { "no-b-adapt", no_argument, NULL, 0 },
792 { "b-bias", required_argument, NULL, 0 },
793 { "b-pyramid", required_argument, NULL, 0 },
794 { "open-gop", required_argument, NULL, 0 },
795 { "min-keyint", required_argument, NULL, 'i' },
796 { "keyint", required_argument, NULL, 'I' },
797 { "intra-refresh", no_argument, NULL, 0 },
798 { "scenecut", required_argument, NULL, 0 },
799 { "no-scenecut", no_argument, NULL, 0 },
800 { "nf", no_argument, NULL, 0 },
801 { "no-deblock", no_argument, NULL, 0 },
802 { "filter", required_argument, NULL, 0 },
803 { "deblock", required_argument, NULL, 'f' },
804 { "interlaced", no_argument, NULL, OPT_INTERLACED },
805 { "tff", no_argument, NULL, OPT_INTERLACED },
806 { "bff", no_argument, NULL, OPT_INTERLACED },
807 { "no-interlaced", no_argument, NULL, OPT_INTERLACED },
808 { "constrained-intra", no_argument, NULL, 0 },
809 { "cabac", no_argument, NULL, 0 },
810 { "no-cabac", no_argument, NULL, 0 },
811 { "qp", required_argument, NULL, 'q' },
812 { "qpmin", required_argument, NULL, 0 },
813 { "qpmax", required_argument, NULL, 0 },
814 { "qpstep", required_argument, NULL, 0 },
815 { "crf", required_argument, NULL, 0 },
816 { "rc-lookahead",required_argument, NULL, 0 },
817 { "ref", required_argument, NULL, 'r' },
818 { "asm", required_argument, NULL, 0 },
819 { "no-asm", no_argument, NULL, 0 },
820 { "sar", required_argument, NULL, 0 },
821 { "fps", required_argument, NULL, OPT_FPS },
822 { "frames", required_argument, NULL, OPT_FRAMES },
823 { "seek", required_argument, NULL, OPT_SEEK },
824 { "output", required_argument, NULL, 'o' },
825 { "muxer", required_argument, NULL, OPT_MUXER },
826 { "demuxer", required_argument, NULL, OPT_DEMUXER },
827 { "stdout", required_argument, NULL, OPT_MUXER },
828 { "stdin", required_argument, NULL, OPT_DEMUXER },
829 { "index", required_argument, NULL, OPT_INDEX },
830 { "analyse", required_argument, NULL, 0 },
831 { "partitions", required_argument, NULL, 'A' },
832 { "direct", required_argument, NULL, 0 },
833 { "weightb", no_argument, NULL, 'w' },
834 { "no-weightb", no_argument, NULL, 0 },
835 { "weightp", required_argument, NULL, 0 },
836 { "me", required_argument, NULL, 0 },
837 { "merange", required_argument, NULL, 0 },
838 { "mvrange", required_argument, NULL, 0 },
839 { "mvrange-thread", required_argument, NULL, 0 },
840 { "subme", required_argument, NULL, 'm' },
841 { "psy-rd", required_argument, NULL, 0 },
842 { "no-psy", no_argument, NULL, 0 },
843 { "psy", no_argument, NULL, 0 },
844 { "mixed-refs", no_argument, NULL, 0 },
845 { "no-mixed-refs", no_argument, NULL, 0 },
846 { "no-chroma-me", no_argument, NULL, 0 },
847 { "8x8dct", no_argument, NULL, '8' },
848 { "no-8x8dct", no_argument, NULL, 0 },
849 { "trellis", required_argument, NULL, 't' },
850 { "fast-pskip", no_argument, NULL, 0 },
851 { "no-fast-pskip", no_argument, NULL, 0 },
852 { "no-dct-decimate", no_argument, NULL, 0 },
853 { "aq-strength", required_argument, NULL, 0 },
854 { "aq-mode", required_argument, NULL, 0 },
855 { "deadzone-inter", required_argument, NULL, 0 },
856 { "deadzone-intra", required_argument, NULL, 0 },
857 { "level", required_argument, NULL, 0 },
858 { "ratetol", required_argument, NULL, 0 },
859 { "vbv-maxrate", required_argument, NULL, 0 },
860 { "vbv-bufsize", required_argument, NULL, 0 },
861 { "vbv-init", required_argument, NULL, 0 },
862 { "crf-max", required_argument, NULL, 0 },
863 { "ipratio", required_argument, NULL, 0 },
864 { "pbratio", required_argument, NULL, 0 },
865 { "chroma-qp-offset", required_argument, NULL, 0 },
866 { "pass", required_argument, NULL, 'p' },
867 { "stats", required_argument, NULL, 0 },
868 { "qcomp", required_argument, NULL, 0 },
869 { "mbtree", no_argument, NULL, 0 },
870 { "no-mbtree", no_argument, NULL, 0 },
871 { "qblur", required_argument, NULL, 0 },
872 { "cplxblur", required_argument, NULL, 0 },
873 { "zones", required_argument, NULL, 0 },
874 { "qpfile", required_argument, NULL, OPT_QPFILE },
875 { "threads", required_argument, NULL, 0 },
876 { "sliced-threads", no_argument, NULL, 0 },
877 { "no-sliced-threads", no_argument, NULL, 0 },
878 { "slice-max-size", required_argument, NULL, 0 },
879 { "slice-max-mbs", required_argument, NULL, 0 },
880 { "slices", required_argument, NULL, 0 },
881 { "thread-input", no_argument, NULL, OPT_THREAD_INPUT },
882 { "sync-lookahead", required_argument, NULL, 0 },
883 { "non-deterministic", no_argument, NULL, 0 },
884 { "psnr", no_argument, NULL, 0 },
885 { "ssim", no_argument, NULL, 0 },
886 { "quiet", no_argument, NULL, OPT_QUIET },
887 { "verbose", no_argument, NULL, 'v' },
888 { "log-level", required_argument, NULL, OPT_LOG_LEVEL },
889 { "no-progress", no_argument, NULL, OPT_NOPROGRESS },
890 { "visualize", no_argument, NULL, OPT_VISUALIZE },
891 { "dump-yuv", required_argument, NULL, 0 },
892 { "sps-id", required_argument, NULL, 0 },
893 { "aud", no_argument, NULL, 0 },
894 { "nr", required_argument, NULL, 0 },
895 { "cqm", required_argument, NULL, 0 },
896 { "cqmfile", required_argument, NULL, 0 },
897 { "cqm4", required_argument, NULL, 0 },
898 { "cqm4i", required_argument, NULL, 0 },
899 { "cqm4iy", required_argument, NULL, 0 },
900 { "cqm4ic", required_argument, NULL, 0 },
901 { "cqm4p", required_argument, NULL, 0 },
902 { "cqm4py", required_argument, NULL, 0 },
903 { "cqm4pc", required_argument, NULL, 0 },
904 { "cqm8", required_argument, NULL, 0 },
905 { "cqm8i", required_argument, NULL, 0 },
906 { "cqm8p", required_argument, NULL, 0 },
907 { "overscan", required_argument, NULL, 0 },
908 { "videoformat", required_argument, NULL, 0 },
909 { "fullrange", required_argument, NULL, 0 },
910 { "colorprim", required_argument, NULL, 0 },
911 { "transfer", required_argument, NULL, 0 },
912 { "colormatrix", required_argument, NULL, 0 },
913 { "chromaloc", required_argument, NULL, 0 },
914 { "force-cfr", no_argument, NULL, 0 },
915 { "tcfile-in", required_argument, NULL, OPT_TCFILE_IN },
916 { "tcfile-out", required_argument, NULL, OPT_TCFILE_OUT },
917 { "timebase", required_argument, NULL, OPT_TIMEBASE },
918 { "pic-struct", no_argument, NULL, 0 },
919 { "nal-hrd", required_argument, NULL, 0 },
920 { "pulldown", required_argument, NULL, OPT_PULLDOWN },
921 { "fake-interlaced", no_argument, NULL, 0 },
922 { "vf", required_argument, NULL, OPT_VIDEO_FILTER },
923 { "video-filter", required_argument, NULL, OPT_VIDEO_FILTER },
924 { "input-res", required_argument, NULL, OPT_INPUT_RES },
925 { "input-csp", required_argument, NULL, OPT_INPUT_CSP },
926 { "input-depth", required_argument, NULL, OPT_INPUT_DEPTH },
930 static int select_output( const char *muxer, char *filename, x264_param_t *param )
932 const char *ext = get_filename_extension( filename );
933 if( !strcmp( filename, "-" ) || strcasecmp( muxer, "auto" ) )
936 if( !strcasecmp( ext, "mp4" ) )
941 param->b_dts_compress = 0;
942 param->b_repeat_headers = 0;
943 if( param->i_nal_hrd == X264_NAL_HRD_CBR )
945 x264_cli_log( "x264", X264_LOG_WARNING, "cbr nal-hrd is not compatible with mp4\n" );
946 param->i_nal_hrd = X264_NAL_HRD_VBR;
949 x264_cli_log( "x264", X264_LOG_ERROR, "not compiled with MP4 output support\n" );
953 else if( !strcasecmp( ext, "mkv" ) )
957 param->b_dts_compress = 0;
958 param->b_repeat_headers = 0;
960 else if( !strcasecmp( ext, "flv" ) )
964 param->b_dts_compress = 1;
965 param->b_repeat_headers = 0;
972 static int select_input( const char *demuxer, char *used_demuxer, char *filename,
973 hnd_t *p_handle, video_info_t *info, cli_input_opt_t *opt )
975 int b_auto = !strcasecmp( demuxer, "auto" );
976 const char *ext = b_auto ? get_filename_extension( filename ) : "";
977 int b_regular = strcmp( filename, "-" );
978 if( !b_regular && b_auto )
980 b_regular = b_regular && x264_is_regular_file_path( filename );
983 FILE *f = fopen( filename, "r" );
986 b_regular = x264_is_regular_file( f );
990 const char *module = b_auto ? ext : demuxer;
992 if( !strcasecmp( module, "avs" ) || !strcasecmp( ext, "d2v" ) || !strcasecmp( ext, "dga" ) )
998 x264_cli_log( "x264", X264_LOG_ERROR, "not compiled with AVS input support\n" );
1002 else if( !strcasecmp( module, "y4m" ) )
1004 else if( !strcasecmp( module, "raw" ) || !strcasecmp( ext, "yuv" ) )
1009 if( b_regular && (b_auto || !strcasecmp( demuxer, "ffms" )) &&
1010 !ffms_input.open_file( filename, p_handle, info, opt ) )
1018 if( (b_auto || !strcasecmp( demuxer, "lavf" )) &&
1019 !lavf_input.open_file( filename, p_handle, info, opt ) )
1027 if( b_regular && (b_auto || !strcasecmp( demuxer, "avs" )) &&
1028 !avs_input.open_file( filename, p_handle, info, opt ) )
1035 if( b_auto && !raw_input.open_file( filename, p_handle, info, opt ) )
1042 FAIL_IF_ERROR( !(*p_handle), "could not open input file `%s' via any method!\n", filename )
1044 strcpy( used_demuxer, module );
1049 static int init_vid_filters( char *sequence, hnd_t *handle, video_info_t *info, x264_param_t *param )
1051 x264_register_vid_filters();
1053 /* intialize baseline filters */
1054 if( x264_init_vid_filter( "source", handle, &filter, info, param, NULL ) ) /* wrap demuxer into a filter */
1056 if( x264_init_vid_filter( "resize", handle, &filter, info, param, "normcsp" ) ) /* normalize csps to be of a known/supported format */
1058 if( x264_init_vid_filter( "fix_vfr_pts", handle, &filter, info, param, NULL ) ) /* fix vfr pts */
1061 /* parse filter chain */
1062 for( char *p = sequence; p && *p; )
1064 int tok_len = strcspn( p, "/" );
1065 int p_len = strlen( p );
1067 int name_len = strcspn( p, ":" );
1069 name_len += name_len != tok_len;
1070 if( x264_init_vid_filter( p, handle, &filter, info, param, p + name_len ) )
1072 p += X264_MIN( tok_len+1, p_len );
1075 /* force end result resolution */
1076 if( !param->i_width && !param->i_height )
1078 param->i_height = info->height;
1079 param->i_width = info->width;
1081 /* if the current csp is supported by libx264, have libx264 use this csp.
1082 * otherwise change the csp to I420 and have libx264 use this.
1083 * when more colorspaces are supported, this decision will need to be updated. */
1084 int csp = info->csp & X264_CSP_MASK;
1085 if( csp > X264_CSP_NONE && csp < X264_CSP_MAX )
1086 param->i_csp = info->csp;
1088 param->i_csp = X264_CSP_I420 | ( info->csp & X264_CSP_HIGH_DEPTH );
1089 if( x264_init_vid_filter( "resize", handle, &filter, info, param, NULL ) )
1093 sprintf( args, "bit_depth=%d", x264_bit_depth );
1095 if( x264_init_vid_filter( "depth", handle, &filter, info, param, args ) )
1101 static int parse_enum_name( const char *arg, const char * const *names, const char **dst )
1103 for( int i = 0; names[i]; i++ )
1104 if( !strcasecmp( arg, names[i] ) )
1112 static int parse_enum_value( const char *arg, const char * const *names, int *dst )
1114 for( int i = 0; names[i]; i++ )
1115 if( !strcasecmp( arg, names[i] ) )
1123 /*****************************************************************************
1125 *****************************************************************************/
1126 static int Parse( int argc, char **argv, x264_param_t *param, cli_opt_t *opt )
1128 char *input_filename = NULL;
1129 const char *demuxer = demuxer_names[0];
1130 char *output_filename = NULL;
1131 const char *muxer = muxer_names[0];
1132 char *tcfile_name = NULL;
1133 x264_param_t defaults;
1134 char *profile = NULL;
1135 char *vid_filters = NULL;
1136 int b_thread_input = 0;
1140 int b_user_interlaced = 0;
1141 cli_input_opt_t input_opt;
1142 char *preset = NULL;
1145 x264_param_default( &defaults );
1146 cli_log_level = defaults.i_log_level;
1148 memset( opt, 0, sizeof(cli_opt_t) );
1149 memset( &input_opt, 0, sizeof(cli_input_opt_t) );
1150 input_opt.bit_depth = 8;
1151 opt->b_progress = 1;
1153 /* Presets are applied before all other options. */
1156 int c = getopt_long( argc, argv, short_options, long_options, NULL );
1159 if( c == OPT_PRESET )
1167 if( preset && !strcasecmp( preset, "placebo" ) )
1170 if( x264_param_default_preset( param, preset, tune ) < 0 )
1173 /* Parse command line options */
1177 int long_options_index = -1;
1179 int c = getopt_long( argc, argv, short_options, long_options, &long_options_index );
1189 Help( &defaults, 0 );
1192 Help( &defaults, 1 );
1195 Help( &defaults, 2 );
1198 print_version_info();
1201 param->i_frame_total = X264_MAX( atoi( optarg ), 0 );
1204 opt->i_seek = input_opt.seek = X264_MAX( atoi( optarg ), 0 );
1207 output_filename = optarg;
1210 FAIL_IF_ERROR( parse_enum_name( optarg, muxer_names, &muxer ), "Unknown muxer `%s'\n", optarg )
1213 FAIL_IF_ERROR( parse_enum_name( optarg, demuxer_names, &demuxer ), "Unknown demuxer `%s'\n", optarg )
1216 input_opt.index_file = optarg;
1219 opt->qpfile = fopen( optarg, "rb" );
1220 FAIL_IF_ERROR( !opt->qpfile, "can't open qpfile `%s'\n", optarg )
1221 if( !x264_is_regular_file( opt->qpfile ) )
1223 x264_cli_log( "x264", X264_LOG_ERROR, "qpfile incompatible with non-regular file `%s'\n", optarg );
1224 fclose( opt->qpfile );
1228 case OPT_THREAD_INPUT:
1232 cli_log_level = param->i_log_level = X264_LOG_NONE;
1235 cli_log_level = param->i_log_level = X264_LOG_DEBUG;
1238 if( !parse_enum_value( optarg, log_level_names, &cli_log_level ) )
1239 cli_log_level += X264_LOG_NONE;
1241 cli_log_level = atoi( optarg );
1242 param->i_log_level = cli_log_level;
1244 case OPT_NOPROGRESS:
1245 opt->b_progress = 0;
1249 param->b_visualize = 1;
1250 b_exit_on_ctrl_c = 1;
1252 x264_cli_log( "x264", X264_LOG_WARNING, "not compiled with visualization support\n" );
1261 case OPT_SLOWFIRSTPASS:
1266 goto generic_option;
1269 param->b_vfr_input = 0;
1270 goto generic_option;
1271 case OPT_INTERLACED:
1272 b_user_interlaced = 1;
1273 goto generic_option;
1275 tcfile_name = optarg;
1277 case OPT_TCFILE_OUT:
1278 opt->tcfile_out = fopen( optarg, "wb" );
1279 FAIL_IF_ERROR( !opt->tcfile_out, "can't open `%s'\n", optarg )
1282 input_opt.timebase = optarg;
1285 FAIL_IF_ERROR( parse_enum_value( optarg, pulldown_names, &opt->i_pulldown ), "Unknown pulldown `%s'\n", optarg )
1287 case OPT_VIDEO_FILTER:
1288 vid_filters = optarg;
1291 input_opt.resolution = optarg;
1294 input_opt.colorspace = optarg;
1296 case OPT_INPUT_DEPTH:
1297 input_opt.bit_depth = atoi( optarg );
1302 if( long_options_index < 0 )
1304 for( int i = 0; long_options[i].name; i++ )
1305 if( long_options[i].val == c )
1307 long_options_index = i;
1310 if( long_options_index < 0 )
1312 /* getopt_long already printed an error message */
1317 b_error |= x264_param_parse( param, long_options[long_options_index].name, optarg );
1323 const char *name = long_options_index > 0 ? long_options[long_options_index].name : argv[optind-2];
1324 x264_cli_log( "x264", X264_LOG_ERROR, "invalid argument: %s = %s\n", name, optarg );
1329 /* If first pass mode is used, apply faster settings. */
1331 x264_param_apply_fastfirstpass( param );
1333 /* Apply profile restrictions. */
1334 if( x264_param_apply_profile( param, profile ) < 0 )
1337 /* Get the file name */
1338 FAIL_IF_ERROR( optind > argc - 1 || !output_filename, "No %s file. Run x264 --help for a list of options.\n",
1339 optind > argc - 1 ? "input" : "output" )
1341 if( select_output( muxer, output_filename, param ) )
1343 FAIL_IF_ERROR( output.open_file( output_filename, &opt->hout ), "could not open output file `%s'\n", output_filename )
1345 input_filename = argv[optind++];
1346 video_info_t info = {0};
1347 char demuxername[5];
1349 /* set info flags to param flags to be overwritten by demuxer as necessary. */
1350 info.csp = param->i_csp;
1351 info.fps_num = param->i_fps_num;
1352 info.fps_den = param->i_fps_den;
1353 info.interlaced = param->b_interlaced;
1354 info.sar_width = param->vui.i_sar_width;
1355 info.sar_height = param->vui.i_sar_height;
1356 info.tff = param->b_tff;
1357 info.vfr = param->b_vfr_input;
1359 if( select_input( demuxer, demuxername, input_filename, &opt->hin, &info, &input_opt ) )
1362 FAIL_IF_ERROR( !opt->hin && input.open_file( input_filename, &opt->hin, &info, &input_opt ),
1363 "could not open input file `%s'\n", input_filename )
1365 x264_reduce_fraction( &info.sar_width, &info.sar_height );
1366 x264_reduce_fraction( &info.fps_num, &info.fps_den );
1367 x264_cli_log( demuxername, X264_LOG_INFO, "%dx%d%c %d:%d @ %d/%d fps (%cfr)\n", info.width,
1368 info.height, info.interlaced ? 'i' : 'p', info.sar_width, info.sar_height,
1369 info.fps_num, info.fps_den, info.vfr ? 'v' : 'c' );
1373 FAIL_IF_ERROR( b_user_fps, "--fps + --tcfile-in is incompatible.\n" )
1374 FAIL_IF_ERROR( timecode_input.open_file( tcfile_name, &opt->hin, &info, &input_opt ), "timecode input failed\n" )
1375 input = timecode_input;
1377 else FAIL_IF_ERROR( !info.vfr && input_opt.timebase, "--timebase is incompatible with cfr input\n" )
1379 /* init threaded input while the information about the input video is unaltered by filtering */
1381 if( info.thread_safe && (b_thread_input || param->i_threads > 1
1382 || (param->i_threads == X264_THREADS_AUTO && x264_cpu_num_processors() > 1)) )
1384 if( thread_input.open_file( NULL, &opt->hin, &info, NULL ) )
1386 fprintf( stderr, "x264 [error]: threaded input failed\n" );
1389 input = thread_input;
1393 /* override detected values by those specified by the user */
1394 if( param->vui.i_sar_width && param->vui.i_sar_height )
1396 info.sar_width = param->vui.i_sar_width;
1397 info.sar_height = param->vui.i_sar_height;
1401 info.fps_num = param->i_fps_num;
1402 info.fps_den = param->i_fps_den;
1406 info.timebase_num = info.fps_den;
1407 info.timebase_den = info.fps_num;
1409 if( !tcfile_name && input_opt.timebase )
1411 uint64_t i_user_timebase_num;
1412 uint64_t i_user_timebase_den;
1413 int ret = sscanf( input_opt.timebase, "%"SCNu64"/%"SCNu64, &i_user_timebase_num, &i_user_timebase_den );
1414 FAIL_IF_ERROR( !ret, "invalid argument: timebase = %s\n", input_opt.timebase )
1417 i_user_timebase_num = info.timebase_num;
1418 i_user_timebase_den = strtoul( input_opt.timebase, NULL, 10 );
1420 FAIL_IF_ERROR( i_user_timebase_num > UINT32_MAX || i_user_timebase_den > UINT32_MAX,
1421 "timebase you specified exceeds H.264 maximum\n" )
1422 opt->timebase_convert_multiplier = ((double)i_user_timebase_den / info.timebase_den)
1423 * ((double)info.timebase_num / i_user_timebase_num);
1424 info.timebase_num = i_user_timebase_num;
1425 info.timebase_den = i_user_timebase_den;
1428 if( b_user_interlaced )
1430 info.interlaced = param->b_interlaced;
1431 info.tff = param->b_tff;
1434 if( init_vid_filters( vid_filters, &opt->hin, &info, param ) )
1437 /* set param flags from the post-filtered video */
1438 param->b_vfr_input = info.vfr;
1439 param->i_fps_num = info.fps_num;
1440 param->i_fps_den = info.fps_den;
1441 param->i_timebase_num = info.timebase_num;
1442 param->i_timebase_den = info.timebase_den;
1443 param->vui.i_sar_width = info.sar_width;
1444 param->vui.i_sar_height = info.sar_height;
1446 info.num_frames = X264_MAX( info.num_frames - opt->i_seek, 0 );
1447 if( (!info.num_frames || param->i_frame_total < info.num_frames)
1448 && param->i_frame_total > 0 )
1449 info.num_frames = param->i_frame_total;
1450 param->i_frame_total = info.num_frames;
1452 if( !b_user_interlaced && info.interlaced )
1454 x264_cli_log( "x264", X264_LOG_WARNING, "input appears to be interlaced, enabling %cff interlaced mode.\n"
1455 " If you want otherwise, use --no-interlaced or --%cff\n",
1456 info.tff ? 't' : 'b', info.tff ? 'b' : 't' );
1457 param->b_interlaced = 1;
1458 param->b_tff = !!info.tff;
1461 /* Automatically reduce reference frame count to match the user's target level
1462 * if the user didn't explicitly set a reference frame count. */
1465 int mbs = (((param->i_width)+15)>>4) * (((param->i_height)+15)>>4);
1466 for( int i = 0; x264_levels[i].level_idc != 0; i++ )
1467 if( param->i_level_idc == x264_levels[i].level_idc )
1469 while( mbs * 384 * param->i_frame_reference > x264_levels[i].dpb &&
1470 param->i_frame_reference > 1 )
1472 param->i_frame_reference--;
1482 static void parse_qpfile( cli_opt_t *opt, x264_picture_t *pic, int i_frame )
1484 int num = -1, qp, ret;
1487 while( num < i_frame )
1489 file_pos = ftell( opt->qpfile );
1490 ret = fscanf( opt->qpfile, "%d %c %d\n", &num, &type, &qp );
1491 if( num > i_frame || ret == EOF )
1493 pic->i_type = X264_TYPE_AUTO;
1495 fseek( opt->qpfile, file_pos, SEEK_SET );
1498 if( num < i_frame && ret == 3 )
1500 pic->i_qpplus1 = qp+1;
1501 if ( type == 'I' ) pic->i_type = X264_TYPE_IDR;
1502 else if( type == 'i' ) pic->i_type = X264_TYPE_I;
1503 else if( type == 'K' ) pic->i_type = X264_TYPE_KEYFRAME;
1504 else if( type == 'P' ) pic->i_type = X264_TYPE_P;
1505 else if( type == 'B' ) pic->i_type = X264_TYPE_BREF;
1506 else if( type == 'b' ) pic->i_type = X264_TYPE_B;
1508 if( ret != 3 || qp < -1 || qp > QP_MAX )
1510 x264_cli_log( "x264", X264_LOG_ERROR, "can't parse qpfile for frame %d\n", i_frame );
1511 fclose( opt->qpfile );
1513 pic->i_type = X264_TYPE_AUTO;
1520 /*****************************************************************************
1522 *****************************************************************************/
1524 static int Encode_frame( x264_t *h, hnd_t hout, x264_picture_t *pic, int64_t *last_dts )
1526 x264_picture_t pic_out;
1529 int i_frame_size = 0;
1531 i_frame_size = x264_encoder_encode( h, &nal, &i_nal, pic, &pic_out );
1533 FAIL_IF_ERROR( i_frame_size < 0, "x264_encoder_encode failed\n" );
1537 i_frame_size = output.write_frame( hout, nal[0].p_payload, i_frame_size, &pic_out );
1538 *last_dts = pic_out.i_dts;
1541 return i_frame_size;
1544 static void Print_status( int64_t i_start, int i_frame, int i_frame_total, int64_t i_file, x264_param_t *param, int64_t last_ts )
1547 int64_t i_elapsed = x264_mdate() - i_start;
1548 double fps = i_elapsed > 0 ? i_frame * 1000000. / i_elapsed : 0;
1551 bitrate = (double) i_file * 8 / ( (double) last_ts * 1000 * param->i_timebase_num / param->i_timebase_den );
1553 bitrate = (double) i_file * 8 / ( (double) 1000 * param->i_fps_den / param->i_fps_num );
1556 int eta = i_elapsed * (i_frame_total - i_frame) / ((int64_t)i_frame * 1000000);
1557 sprintf( buf, "x264 [%.1f%%] %d/%d frames, %.2f fps, %.2f kb/s, eta %d:%02d:%02d",
1558 100. * i_frame / i_frame_total, i_frame, i_frame_total, fps, bitrate,
1559 eta/3600, (eta/60)%60, eta%60 );
1563 sprintf( buf, "x264 %d frames: %.2f fps, %.2f kb/s", i_frame, fps, bitrate );
1565 fprintf( stderr, "%s \r", buf+5 );
1566 SetConsoleTitle( buf );
1567 fflush( stderr ); // needed in windows
1570 static void Convert_cli_to_lib_pic( x264_picture_t *lib, cli_pic_t *cli )
1572 memcpy( lib->img.i_stride, cli->img.stride, sizeof(cli->img.stride) );
1573 memcpy( lib->img.plane, cli->img.plane, sizeof(cli->img.plane) );
1574 lib->img.i_plane = cli->img.planes;
1575 lib->img.i_csp = cli->img.csp;
1576 lib->i_pts = cli->pts;
1579 static int Encode( x264_param_t *param, cli_opt_t *opt )
1584 const cli_pulldown_t *pulldown = NULL; // shut up gcc
1586 int i_frame, i_frame_output;
1587 int64_t i_start, i_end;
1590 int i_update_interval;
1591 int64_t last_dts = 0;
1592 int64_t prev_dts = 0;
1593 int64_t first_dts = 0;
1594 # define MAX_PTS_WARNING 3 /* arbitrary */
1595 int pts_warning_cnt = 0;
1596 int64_t largest_pts = -1;
1597 int64_t second_largest_pts = -1;
1598 int64_t ticks_per_frame;
1600 int prev_timebase_den;
1601 int dts_compress_multiplier;
1602 double pulldown_pts = 0;
1604 opt->b_progress &= param->i_log_level < X264_LOG_DEBUG;
1605 i_update_interval = param->i_frame_total ? x264_clip3( param->i_frame_total / 1000, 1, 10 ) : 10;
1606 x264_picture_init( &pic );
1608 /* set up pulldown */
1609 if( opt->i_pulldown && !param->b_vfr_input )
1611 param->b_pulldown = 1;
1612 param->b_pic_struct = 1;
1613 pulldown = &pulldown_values[opt->i_pulldown];
1614 param->i_timebase_num = param->i_fps_den;
1615 FAIL_IF_ERROR( fmod( param->i_fps_num * pulldown->fps_factor, 1 ),
1616 "unsupported framerate for chosen pulldown\n" )
1617 param->i_timebase_den = param->i_fps_num * pulldown->fps_factor;
1620 prev_timebase_den = param->i_timebase_den / gcd( param->i_timebase_num, param->i_timebase_den );
1622 if( ( h = x264_encoder_open( param ) ) == NULL )
1624 x264_cli_log( "x264", X264_LOG_ERROR, "x264_encoder_open failed\n" );
1625 filter.free( opt->hin );
1629 x264_encoder_parameters( h, param );
1631 dts_compress_multiplier = param->i_timebase_den / prev_timebase_den;
1633 if( output.set_param( opt->hout, param ) )
1635 x264_cli_log( "x264", X264_LOG_ERROR, "can't set outfile param\n" );
1636 filter.free( opt->hin );
1637 output.close_file( opt->hout, largest_pts, second_largest_pts );
1641 i_start = x264_mdate();
1642 /* ticks/frame = ticks/second / frames/second */
1643 ticks_per_frame = (int64_t)param->i_timebase_den * param->i_fps_den / param->i_timebase_num / param->i_fps_num;
1644 FAIL_IF_ERROR( ticks_per_frame < 1, "ticks_per_frame invalid: %"PRId64"\n", ticks_per_frame )
1646 if( !param->b_repeat_headers )
1648 // Write SPS/PPS/SEI
1649 x264_nal_t *headers;
1652 FAIL_IF_ERROR( x264_encoder_headers( h, &headers, &i_nal ) < 0, "x264_encoder_headers failed\n" )
1653 if( (i_file = output.write_headers( opt->hout, headers )) < 0 )
1657 if( opt->tcfile_out )
1658 fprintf( opt->tcfile_out, "# timecode format v2\n" );
1661 for( i_frame = 0, i_frame_output = 0; !b_ctrl_c && (i_frame < param->i_frame_total || !param->i_frame_total); i_frame++ )
1663 if( filter.get_frame( opt->hin, &cli_pic, i_frame + opt->i_seek ) )
1665 Convert_cli_to_lib_pic( &pic, &cli_pic );
1667 if( !param->b_vfr_input )
1668 pic.i_pts = i_frame;
1670 if( opt->i_pulldown && !param->b_vfr_input )
1672 pic.i_pic_struct = pulldown->pattern[ i_frame % pulldown->mod ];
1673 pic.i_pts = (int64_t)( pulldown_pts + 0.5 );
1674 pulldown_pts += pulldown_frame_duration[pic.i_pic_struct];
1676 else if( opt->timebase_convert_multiplier )
1677 pic.i_pts = (int64_t)( pic.i_pts * opt->timebase_convert_multiplier + 0.5 );
1679 int64_t output_pts = pic.i_pts * dts_compress_multiplier; /* pts libx264 returns */
1681 if( pic.i_pts <= largest_pts )
1683 if( cli_log_level >= X264_LOG_DEBUG || pts_warning_cnt < MAX_PTS_WARNING )
1684 x264_cli_log( "x264", X264_LOG_WARNING, "non-strictly-monotonic pts at frame %d (%"PRId64" <= %"PRId64")\n",
1685 i_frame, output_pts, largest_pts * dts_compress_multiplier );
1686 else if( pts_warning_cnt == MAX_PTS_WARNING )
1687 x264_cli_log( "x264", X264_LOG_WARNING, "too many nonmonotonic pts warnings, suppressing further ones\n" );
1689 pic.i_pts = largest_pts + ticks_per_frame;
1690 output_pts = pic.i_pts * dts_compress_multiplier;
1693 second_largest_pts = largest_pts;
1694 largest_pts = pic.i_pts;
1695 if( opt->tcfile_out )
1696 fprintf( opt->tcfile_out, "%.6f\n", output_pts * ((double)param->i_timebase_num / param->i_timebase_den) * 1e3 );
1699 parse_qpfile( opt, &pic, i_frame + opt->i_seek );
1702 /* Do not force any parameters */
1703 pic.i_type = X264_TYPE_AUTO;
1707 prev_dts = last_dts;
1708 i_frame_size = Encode_frame( h, opt->hout, &pic, &last_dts );
1709 if( i_frame_size < 0 )
1711 i_file += i_frame_size;
1715 if( i_frame_output == 1 )
1716 first_dts = prev_dts = last_dts;
1719 if( filter.release_frame( opt->hin, &cli_pic, i_frame + opt->i_seek ) )
1722 /* update status line (up to 1000 times per input file) */
1723 if( opt->b_progress && i_frame_output % i_update_interval == 0 && i_frame_output )
1724 Print_status( i_start, i_frame_output, param->i_frame_total, i_file, param, 2 * last_dts - prev_dts - first_dts );
1726 /* Flush delayed frames */
1727 while( !b_ctrl_c && x264_encoder_delayed_frames( h ) )
1729 prev_dts = last_dts;
1730 i_frame_size = Encode_frame( h, opt->hout, NULL, &last_dts );
1731 if( i_frame_size < 0 )
1733 i_file += i_frame_size;
1737 if( i_frame_output == 1 )
1738 first_dts = prev_dts = last_dts;
1740 if( opt->b_progress && i_frame_output % i_update_interval == 0 && i_frame_output )
1741 Print_status( i_start, i_frame_output, param->i_frame_total, i_file, param, 2 * last_dts - prev_dts - first_dts );
1743 if( pts_warning_cnt >= MAX_PTS_WARNING && cli_log_level < X264_LOG_DEBUG )
1744 x264_cli_log( "x264", X264_LOG_WARNING, "%d suppressed nonmonotonic pts warnings\n", pts_warning_cnt-MAX_PTS_WARNING );
1746 largest_pts *= dts_compress_multiplier;
1747 second_largest_pts *= dts_compress_multiplier;
1748 /* duration algorithm fails when only 1 frame is output */
1749 if( i_frame_output == 1 )
1750 duration = (double)param->i_fps_den / param->i_fps_num;
1752 duration = (double)(2 * last_dts - prev_dts - first_dts) * param->i_timebase_num / param->i_timebase_den;
1754 duration = (double)(2 * largest_pts - second_largest_pts) * param->i_timebase_num / param->i_timebase_den;
1756 i_end = x264_mdate();
1757 /* Erase progress indicator before printing encoding stats. */
1758 if( opt->b_progress )
1759 fprintf( stderr, " \r" );
1760 x264_encoder_close( h );
1761 fprintf( stderr, "\n" );
1764 fprintf( stderr, "aborted at input frame %d, output frame %d\n", opt->i_seek + i_frame, i_frame_output );
1766 if( opt->tcfile_out )
1768 fclose( opt->tcfile_out );
1769 opt->tcfile_out = NULL;
1772 filter.free( opt->hin );
1773 output.close_file( opt->hout, largest_pts, second_largest_pts );
1775 if( i_frame_output > 0 )
1777 double fps = (double)i_frame_output * (double)1000000 /
1778 (double)( i_end - i_start );
1780 fprintf( stderr, "encoded %d frames, %.2f fps, %.2f kb/s\n", i_frame_output, fps,
1781 (double) i_file * 8 / ( 1000 * duration ) );