Fix abstraction violations in x264.c
[x262.git] / x264.c
1 /*****************************************************************************
2  * x264: h264 encoder testing program.
3  *****************************************************************************
4  * Copyright (C) 2003-2008 x264 project
5  *
6  * Authors: Loren Merritt <lorenm@u.washington.edu>
7  *          Laurent Aimar <fenrir@via.ecp.fr>
8  *          Steven Walters <kemuri9@gmail.com>
9  *          Kieran Kunhya <kieran@kunhya.com>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
24  *****************************************************************************/
25
26 #include <stdlib.h>
27 #include <math.h>
28
29 #include <signal.h>
30 #define _GNU_SOURCE
31 #include <getopt.h>
32
33 #include "common/common.h"
34 #include "common/cpu.h"
35 #include "x264.h"
36 #include "muxers.h"
37
38 #ifdef _WIN32
39 #include <windows.h>
40 #else
41 #define SetConsoleTitle(t)
42 #endif
43
44 /* Ctrl-C handler */
45 static int     b_ctrl_c = 0;
46 static int     b_exit_on_ctrl_c = 0;
47 static void    SigIntHandler( int a )
48 {
49     if( b_exit_on_ctrl_c )
50         exit(0);
51     b_ctrl_c = 1;
52 }
53
54 typedef struct {
55     int b_progress;
56     int i_seek;
57     hnd_t hin;
58     hnd_t hout;
59     FILE *qpfile;
60 } cli_opt_t;
61
62 /* i/o file operation function pointer structs */
63 cli_input_t input;
64 static cli_output_t output;
65
66 static const char * const demuxer_names[] =
67 {
68     "auto",
69     "yuv",
70     "y4m",
71 #ifdef AVS_INPUT
72     "avs",
73 #endif
74 #ifdef LAVF_INPUT
75     "lavf",
76 #endif
77 #ifdef FFMS_INPUT
78     "ffms",
79 #endif
80     0
81 };
82
83 static const char * const muxer_names[] =
84 {
85     "auto",
86     "raw",
87     "mkv",
88     "flv",
89 #ifdef MP4_OUTPUT
90     "mp4",
91 #endif
92     0
93 };
94
95 static void Help( x264_param_t *defaults, int longhelp );
96 static int  Parse( int argc, char **argv, x264_param_t *param, cli_opt_t *opt );
97 static int  Encode( x264_param_t *param, cli_opt_t *opt );
98
99 /****************************************************************************
100  * main:
101  ****************************************************************************/
102 int main( int argc, char **argv )
103 {
104     x264_param_t param;
105     cli_opt_t opt;
106     int ret;
107
108 #ifdef PTW32_STATIC_LIB
109     pthread_win32_process_attach_np();
110     pthread_win32_thread_attach_np();
111 #endif
112
113 #ifdef _WIN32
114     _setmode(_fileno(stdin), _O_BINARY);
115     _setmode(_fileno(stdout), _O_BINARY);
116 #endif
117
118     x264_param_default( &param );
119
120     /* Parse command line */
121     if( Parse( argc, argv, &param, &opt ) < 0 )
122         return -1;
123
124     /* Control-C handler */
125     signal( SIGINT, SigIntHandler );
126
127     ret = Encode( &param, &opt );
128
129 #ifdef PTW32_STATIC_LIB
130     pthread_win32_thread_detach_np();
131     pthread_win32_process_detach_np();
132 #endif
133
134     return ret;
135 }
136
137 static char const *strtable_lookup( const char * const table[], int index )
138 {
139     int i = 0; while( table[i] ) i++;
140     return ( ( index >= 0 && index < i ) ? table[ index ] : "???" );
141 }
142
143 static char *stringify_names( char *buf, const char * const names[] )
144 {
145     int i = 0;
146     char *p = buf;
147     for( p[0] = 0; names[i]; i++ )
148     {
149         p += sprintf( p, "%s", names[i] );
150         if( names[i+1] )
151             p += sprintf( p, ", " );
152     }
153     return buf;
154 }
155
156 /*****************************************************************************
157  * Help:
158  *****************************************************************************/
159 static void Help( x264_param_t *defaults, int longhelp )
160 {
161     char buf[50];
162 #define H0 printf
163 #define H1 if(longhelp>=1) printf
164 #define H2 if(longhelp==2) printf
165     H0( "x264 core:%d%s\n"
166         "Syntax: x264 [options] -o outfile infile [widthxheight]\n"
167         "\n"
168         "Infile can be raw YUV 4:2:0 (in which case resolution is required),\n"
169         "  or YUV4MPEG 4:2:0 (*.y4m),\n"
170         "  or Avisynth if compiled with support (%s).\n"
171         "  or libav* formats if compiled with lavf support (%s) or ffms support (%s).\n"
172         "Outfile type is selected by filename:\n"
173         " .264 -> Raw bytestream\n"
174         " .mkv -> Matroska\n"
175         " .flv -> Flash Video\n"
176         " .mp4 -> MP4 if compiled with GPAC support (%s)\n"
177         "\n"
178         "Options:\n"
179         "\n"
180         "  -h, --help                  List basic options\n"
181         "      --longhelp              List more options\n"
182         "      --fullhelp              List all options\n"
183         "\n",
184         X264_BUILD, X264_VERSION,
185 #ifdef AVS_INPUT
186         "yes",
187 #else
188         "no",
189 #endif
190 #ifdef LAVF_INPUT
191         "yes",
192 #else
193         "no",
194 #endif
195 #ifdef FFMS_INPUT
196         "yes",
197 #else
198         "no",
199 #endif
200 #ifdef MP4_OUTPUT
201         "yes"
202 #else
203         "no"
204 #endif
205       );
206     H0( "Example usage:\n" );
207     H0( "\n" );
208     H0( "      Constant quality mode:\n" );
209     H0( "            x264 --crf 24 -o <output> <input>\n" );
210     H0( "\n" );
211     H0( "      Two-pass with a bitrate of 1000kbps:\n" );
212     H0( "            x264 --pass 1 --bitrate 1000 -o <output> <input>\n" );
213     H0( "            x264 --pass 2 --bitrate 1000 -o <output> <input>\n" );
214     H0( "\n" );
215     H0( "      Lossless:\n" );
216     H0( "            x264 --crf 0 -o <output> <input>\n" );
217     H0( "\n" );
218     H0( "      Maximum PSNR at the cost of speed and visual quality:\n" );
219     H0( "            x264 --preset placebo --tune psnr -o <output> <input>\n" );
220     H0( "\n" );
221     H0( "      Constant bitrate at 1000kbps with a 2 second-buffer:\n");
222     H0( "            x264 --vbv-bufsize 2000 --bitrate 1000 -o <output> <input>\n" );
223     H0( "\n" );
224     H0( "Presets:\n" );
225     H0( "\n" );
226     H0( "      --profile               Force the limits of an H.264 profile [high]\n"
227         "                                  Overrides all settings.\n" );
228     H2( "                                  - baseline:\n"
229         "                                    --no-8x8dct --bframes 0 --no-cabac\n"
230         "                                    --cqm flat --weightp 0 No interlaced\n"
231         "                                    No lossless\n"
232         "                                  - main:\n"
233         "                                    --no-8x8dct --cqm flat No lossless\n"
234         "                                  - high:\n"
235         "                                    No lossless\n" );
236         else H0( "                                  - baseline,main,high\n" );
237     H0( "      --preset                Use a preset to select encoding settings [medium]\n"
238         "                                  Overridden by user settings.\n" );
239     H2( "                                  - ultrafast:\n"
240         "                                    --no-8x8dct --aq-mode 0 --b-adapt 0\n"
241         "                                    --bframes 0 --no-cabac --no-deblock\n"
242         "                                    --no-mbtree --me dia --no-mixed-refs\n"
243         "                                    --partitions none --ref 1 --scenecut 0\n"
244         "                                    --subme 0 --trellis 0 --no-weightb\n"
245         "                                    --weightp 0\n"
246         "                                  - veryfast:\n"
247         "                                    --no-mbtree --me dia --no-mixed-refs\n"
248         "                                    --partitions i8x8,i4x4 --ref 1\n"
249         "                                    --subme 1 --trellis 0 --weightp 0\n"
250         "                                  - faster:\n"
251         "                                    --no-mbtree --no-mixed-refs --ref 2\n"
252         "                                    --subme 4 --weightp 1\n"
253         "                                  - fast\n"
254         "                                    --rc-lookahead 30 --ref 2 --subme 6\n"
255         "                                  - medium\n"
256         "                                    Default settings apply.\n"
257         "                                  - slow\n"
258         "                                    --b-adapt 2 --direct auto --me umh\n"
259         "                                    --rc-lookahead 50 --ref 5 --subme 8\n"
260         "                                  - slower\n"
261         "                                    --b-adapt 2 --direct auto --me umh\n"
262         "                                    --partitions all --rc-lookahead 60\n"
263         "                                    --ref 8 --subme 9 --trellis 2\n"
264         "                                  - veryslow\n"
265         "                                    --b-adapt 2 --bframes 8 --direct auto\n"
266         "                                    --me umh --merange 24 --partitions all\n"
267         "                                    --ref 16 --subme 10 --trellis 2\n"
268         "                                    --rc-lookahead 60\n"
269         "                                  - placebo\n"
270         "                                    --bframes 16 --b-adapt 2 --direct auto\n"
271         "                                    --slow-firstpass --no-fast-pskip\n"
272         "                                    --me tesa --merange 24 --partitions all\n"
273         "                                    --rc-lookahead 60 --ref 16 --subme 10\n"
274         "                                    --trellis 2\n" );
275     else H0( "                                  - ultrafast,veryfast,faster,fast,medium\n"
276              "                                  - slow,slower,veryslow,placebo\n" );
277     H0( "      --tune                  Tune the settings for a particular type of source\n"
278         "                              or situation\n"
279         "                                  Overridden by user settings.\n"
280         "                                  Multiple tunings are separated by commas.\n"
281         "                                  Only one psy tuning can be used at a time.\n" );
282     H2( "                                  - film (psy tuning):\n"
283         "                                    --deblock -1:-1 --psy-rd <unset>:0.15\n"
284         "                                  - animation(psy tuning):\n"
285         "                                    --bframes {+2} --deblock 1:1\n"
286         "                                    --psy-rd 0.4:<unset> --aq-strength 0.6\n"
287         "                                    --ref {Double if >1 else 1}\n"
288         "                                  - grain(psy tuning):\n"
289         "                                    --aq-strength 0.5 --no-dct-decimate\n"
290         "                                    --deadzone-inter 6 --deadzone-intra 6\n"
291         "                                    --deblock -2:-2 --ipratio 1.1 \n"
292         "                                    --pbratio 1.1 --psy-rd <unset>:0.25\n"
293         "                                    --qcomp 0.8\n"
294         "                                  - psnr(psy tuning):\n"
295         "                                    --aq-mode 0 --no-psy\n"
296         "                                  - ssim(psy tuning):\n"
297         "                                    --aq-mode 2 --no-psy\n"
298         "                                  - fastdecode:\n"
299         "                                    --no-cabac --no-deblock --no-weightb\n"
300         "                                    --weightp 0\n"
301         "                                  - zerolatency:\n"
302         "                                    --bframes 0 --rc-lookahead 0\n"
303         "                                    --sync-lookahead 0 --sliced-threads\n"
304         "                                  - touhou(psy tuning):\n"
305         "                                    --aq-strength 1.3 --deblock -1:-1\n"
306         "                                    --partitions {p4x4 if p8x8 set}\n"
307         "                                    --psy-rd <unset>:0.2\n"
308         "                                    --ref {Double if >1 else 1}\n" );
309     else H0( "                                  - psy tunings: film,animation,grain,psnr,ssim\n"
310              "                                  - other tunings: fastdecode,zerolatency\n" );
311     H1( "      --slow-firstpass        Don't use faster settings with --pass 1\n" );
312     H0( "\n" );
313     H0( "Frame-type options:\n" );
314     H0( "\n" );
315     H0( "  -I, --keyint <integer>      Maximum GOP size [%d]\n", defaults->i_keyint_max );
316     H2( "  -i, --min-keyint <integer>  Minimum GOP size [%d]\n", defaults->i_keyint_min );
317     H2( "      --no-scenecut           Disable adaptive I-frame decision\n" );
318     H2( "      --scenecut <integer>    How aggressively to insert extra I-frames [%d]\n", defaults->i_scenecut_threshold );
319     H2( "      --intra-refresh         Use Periodic Intra Refresh instead of IDR frames\n" );
320     H1( "  -b, --bframes <integer>     Number of B-frames between I and P [%d]\n", defaults->i_bframe );
321     H1( "      --b-adapt <integer>     Adaptive B-frame decision method [%d]\n"
322         "                                  Higher values may lower threading efficiency.\n"
323         "                                  - 0: Disabled\n"
324         "                                  - 1: Fast\n"
325         "                                  - 2: Optimal (slow with high --bframes)\n", defaults->i_bframe_adaptive );
326     H2( "      --b-bias <integer>      Influences how often B-frames are used [%d]\n", defaults->i_bframe_bias );
327     H1( "      --b-pyramid <string>    Keep some B-frames as references [%s]\n"
328         "                                  - none: Disabled\n"
329         "                                  - strict: Strictly hierarchical pyramid\n"
330         "                                  - normal: Non-strict (not Blu-ray compatible)\n",
331         strtable_lookup( x264_b_pyramid_names, defaults->i_bframe_pyramid ) );
332     H1( "      --no-cabac              Disable CABAC\n" );
333     H1( "  -r, --ref <integer>         Number of reference frames [%d]\n", defaults->i_frame_reference );
334     H1( "      --no-deblock            Disable loop filter\n" );
335     H1( "  -f, --deblock <alpha:beta>  Loop filter parameters [%d:%d]\n",
336                                        defaults->i_deblocking_filter_alphac0, defaults->i_deblocking_filter_beta );
337     H2( "      --slices <integer>      Number of slices per frame; forces rectangular\n"
338         "                              slices and is overridden by other slicing options\n" );
339     else H1( "      --slices <integer>      Number of slices per frame\n" );
340     H2( "      --slice-max-size <integer> Limit the size of each slice in bytes\n");
341     H2( "      --slice-max-mbs <integer> Limit the size of each slice in macroblocks\n");
342     H0( "      --interlaced            Enable pure-interlaced mode\n" );
343     H2( "      --constrained-intra     Enable constrained intra prediction.\n" );
344     H0( "\n" );
345     H0( "Ratecontrol:\n" );
346     H0( "\n" );
347     H1( "  -q, --qp <integer>          Force constant QP (0-51, 0=lossless)\n" );
348     H0( "  -B, --bitrate <integer>     Set bitrate (kbit/s)\n" );
349     H0( "      --crf <float>           Quality-based VBR (0-51, 0=lossless) [%.1f]\n", defaults->rc.f_rf_constant );
350     H1( "      --rc-lookahead <integer> Number of frames for frametype lookahead [%d]\n", defaults->rc.i_lookahead );
351     H0( "      --vbv-maxrate <integer> Max local bitrate (kbit/s) [%d]\n", defaults->rc.i_vbv_max_bitrate );
352     H0( "      --vbv-bufsize <integer> Set size of the VBV buffer (kbit) [%d]\n", defaults->rc.i_vbv_buffer_size );
353     H2( "      --vbv-init <float>      Initial VBV buffer occupancy [%.1f]\n", defaults->rc.f_vbv_buffer_init );
354     H2( "      --qpmin <integer>       Set min QP [%d]\n", defaults->rc.i_qp_min );
355     H2( "      --qpmax <integer>       Set max QP [%d]\n", defaults->rc.i_qp_max );
356     H2( "      --qpstep <integer>      Set max QP step [%d]\n", defaults->rc.i_qp_step );
357     H2( "      --ratetol <float>       Tolerance of ABR ratecontrol and VBV [%.1f]\n", defaults->rc.f_rate_tolerance );
358     H2( "      --ipratio <float>       QP factor between I and P [%.2f]\n", defaults->rc.f_ip_factor );
359     H2( "      --pbratio <float>       QP factor between P and B [%.2f]\n", defaults->rc.f_pb_factor );
360     H2( "      --chroma-qp-offset <integer>  QP difference between chroma and luma [%d]\n", defaults->analyse.i_chroma_qp_offset );
361     H2( "      --aq-mode <integer>     AQ method [%d]\n"
362         "                                  - 0: Disabled\n"
363         "                                  - 1: Variance AQ (complexity mask)\n"
364         "                                  - 2: Auto-variance AQ (experimental)\n", defaults->rc.i_aq_mode );
365     H1( "      --aq-strength <float>   Reduces blocking and blurring in flat and\n"
366         "                              textured areas. [%.1f]\n", defaults->rc.f_aq_strength );
367     H1( "\n" );
368     H0( "  -p, --pass <integer>        Enable multipass ratecontrol\n"
369         "                                  - 1: First pass, creates stats file\n"
370         "                                  - 2: Last pass, does not overwrite stats file\n" );
371     H2( "                                  - 3: Nth pass, overwrites stats file\n" );
372     H1( "      --stats <string>        Filename for 2 pass stats [\"%s\"]\n", defaults->rc.psz_stat_out );
373     H2( "      --no-mbtree             Disable mb-tree ratecontrol.\n");
374     H2( "      --qcomp <float>         QP curve compression [%.2f]\n", defaults->rc.f_qcompress );
375     H2( "      --cplxblur <float>      Reduce fluctuations in QP (before curve compression) [%.1f]\n", defaults->rc.f_complexity_blur );
376     H2( "      --qblur <float>         Reduce fluctuations in QP (after curve compression) [%.1f]\n", defaults->rc.f_qblur );
377     H2( "      --zones <zone0>/<zone1>/...  Tweak the bitrate of regions of the video\n" );
378     H2( "                              Each zone is of the form\n"
379         "                                  <start frame>,<end frame>,<option>\n"
380         "                                  where <option> is either\n"
381         "                                      q=<integer> (force QP)\n"
382         "                                  or  b=<float> (bitrate multiplier)\n" );
383     H2( "      --qpfile <string>       Force frametypes and QPs for some or all frames\n"
384         "                              Format of each line: framenumber frametype QP\n"
385         "                              QP of -1 lets x264 choose. Frametypes: I,i,P,B,b.\n"
386         "                              QPs are restricted by qpmin/qpmax.\n" );
387     H1( "\n" );
388     H1( "Analysis:\n" );
389     H1( "\n" );
390     H1( "  -A, --partitions <string>   Partitions to consider [\"p8x8,b8x8,i8x8,i4x4\"]\n"
391         "                                  - p8x8, p4x4, b8x8, i8x8, i4x4\n"
392         "                                  - none, all\n"
393         "                                  (p4x4 requires p8x8. i8x8 requires --8x8dct.)\n" );
394     H1( "      --direct <string>       Direct MV prediction mode [\"%s\"]\n"
395         "                                  - none, spatial, temporal, auto\n",
396                                        strtable_lookup( x264_direct_pred_names, defaults->analyse.i_direct_mv_pred ) );
397     H2( "      --no-weightb            Disable weighted prediction for B-frames\n" );
398     H1( "      --weightp <integer>     Weighted prediction for P-frames [%d]\n"
399         "                              - 0: Disabled\n"
400         "                              - 1: Blind offset\n"
401         "                              - 2: Smart analysis\n", defaults->analyse.i_weighted_pred );
402     H1( "      --me <string>           Integer pixel motion estimation method [\"%s\"]\n",
403                                        strtable_lookup( x264_motion_est_names, defaults->analyse.i_me_method ) );
404     H2( "                                  - dia: diamond search, radius 1 (fast)\n"
405         "                                  - hex: hexagonal search, radius 2\n"
406         "                                  - umh: uneven multi-hexagon search\n"
407         "                                  - esa: exhaustive search\n"
408         "                                  - tesa: hadamard exhaustive search (slow)\n" );
409     else H1( "                                  - dia, hex, umh\n" );
410     H2( "      --merange <integer>     Maximum motion vector search range [%d]\n", defaults->analyse.i_me_range );
411     H2( "      --mvrange <integer>     Maximum motion vector length [-1 (auto)]\n" );
412     H2( "      --mvrange-thread <int>  Minimum buffer between threads [-1 (auto)]\n" );
413     H1( "  -m, --subme <integer>       Subpixel motion estimation and mode decision [%d]\n", defaults->analyse.i_subpel_refine );
414     H2( "                                  - 0: fullpel only (not recommended)\n"
415         "                                  - 1: SAD mode decision, one qpel iteration\n"
416         "                                  - 2: SATD mode decision\n"
417         "                                  - 3-5: Progressively more qpel\n"
418         "                                  - 6: RD mode decision for I/P-frames\n"
419         "                                  - 7: RD mode decision for all frames\n"
420         "                                  - 8: RD refinement for I/P-frames\n"
421         "                                  - 9: RD refinement for all frames\n"
422         "                                  - 10: QP-RD - requires trellis=2, aq-mode>0\n" );
423     else H1( "                                  decision quality: 1=fast, 10=best.\n"  );
424     H1( "      --psy-rd                Strength of psychovisual optimization [\"%.1f:%.1f\"]\n"
425         "                                  #1: RD (requires subme>=6)\n"
426         "                                  #2: Trellis (requires trellis, experimental)\n",
427                                        defaults->analyse.f_psy_rd, defaults->analyse.f_psy_trellis );
428     H2( "      --no-psy                Disable all visual optimizations that worsen\n"
429         "                              both PSNR and SSIM.\n" );
430     H2( "      --no-mixed-refs         Don't decide references on a per partition basis\n" );
431     H2( "      --no-chroma-me          Ignore chroma in motion estimation\n" );
432     H1( "      --no-8x8dct             Disable adaptive spatial transform size\n" );
433     H1( "  -t, --trellis <integer>     Trellis RD quantization. Requires CABAC. [%d]\n"
434         "                                  - 0: disabled\n"
435         "                                  - 1: enabled only on the final encode of a MB\n"
436         "                                  - 2: enabled on all mode decisions\n", defaults->analyse.i_trellis );
437     H2( "      --no-fast-pskip         Disables early SKIP detection on P-frames\n" );
438     H2( "      --no-dct-decimate       Disables coefficient thresholding on P-frames\n" );
439     H1( "      --nr <integer>          Noise reduction [%d]\n", defaults->analyse.i_noise_reduction );
440     H2( "\n" );
441     H2( "      --deadzone-inter <int>  Set the size of the inter luma quantization deadzone [%d]\n", defaults->analyse.i_luma_deadzone[0] );
442     H2( "      --deadzone-intra <int>  Set the size of the intra luma quantization deadzone [%d]\n", defaults->analyse.i_luma_deadzone[1] );
443     H2( "                                  Deadzones should be in the range 0 - 32.\n" );
444     H2( "      --cqm <string>          Preset quant matrices [\"flat\"]\n"
445         "                                  - jvt, flat\n" );
446     H1( "      --cqmfile <string>      Read custom quant matrices from a JM-compatible file\n" );
447     H2( "                                  Overrides any other --cqm* options.\n" );
448     H2( "      --cqm4 <list>           Set all 4x4 quant matrices\n"
449         "                                  Takes a comma-separated list of 16 integers.\n" );
450     H2( "      --cqm8 <list>           Set all 8x8 quant matrices\n"
451         "                                  Takes a comma-separated list of 64 integers.\n" );
452     H2( "      --cqm4i, --cqm4p, --cqm8i, --cqm8p\n"
453         "                              Set both luma and chroma quant matrices\n" );
454     H2( "      --cqm4iy, --cqm4ic, --cqm4py, --cqm4pc\n"
455         "                              Set individual quant matrices\n" );
456     H2( "\n" );
457     H2( "Video Usability Info (Annex E):\n" );
458     H2( "The VUI settings are not used by the encoder but are merely suggestions to\n" );
459     H2( "the playback equipment. See doc/vui.txt for details. Use at your own risk.\n" );
460     H2( "\n" );
461     H2( "      --overscan <string>     Specify crop overscan setting [\"%s\"]\n"
462         "                                  - undef, show, crop\n",
463                                        strtable_lookup( x264_overscan_names, defaults->vui.i_overscan ) );
464     H2( "      --videoformat <string>  Specify video format [\"%s\"]\n"
465         "                                  - component, pal, ntsc, secam, mac, undef\n",
466                                        strtable_lookup( x264_vidformat_names, defaults->vui.i_vidformat ) );
467     H2( "      --fullrange <string>    Specify full range samples setting [\"%s\"]\n"
468         "                                  - off, on\n",
469                                        strtable_lookup( x264_fullrange_names, defaults->vui.b_fullrange ) );
470     H2( "      --colorprim <string>    Specify color primaries [\"%s\"]\n"
471         "                                  - undef, bt709, bt470m, bt470bg\n"
472         "                                    smpte170m, smpte240m, film\n",
473                                        strtable_lookup( x264_colorprim_names, defaults->vui.i_colorprim ) );
474     H2( "      --transfer <string>     Specify transfer characteristics [\"%s\"]\n"
475         "                                  - undef, bt709, bt470m, bt470bg, linear,\n"
476         "                                    log100, log316, smpte170m, smpte240m\n",
477                                        strtable_lookup( x264_transfer_names, defaults->vui.i_transfer ) );
478     H2( "      --colormatrix <string>  Specify color matrix setting [\"%s\"]\n"
479         "                                  - undef, bt709, fcc, bt470bg\n"
480         "                                    smpte170m, smpte240m, GBR, YCgCo\n",
481                                        strtable_lookup( x264_colmatrix_names, defaults->vui.i_colmatrix ) );
482     H2( "      --chromaloc <integer>   Specify chroma sample location (0 to 5) [%d]\n",
483                                        defaults->vui.i_chroma_loc );
484     H0( "\n" );
485     H0( "Input/Output:\n" );
486     H0( "\n" );
487     H0( "  -o, --output                Specify output file\n" );
488     H1( "      --muxer <string>        Specify output container format [\"%s\"]\n"
489         "                                  - %s\n", muxer_names[0], stringify_names( buf, muxer_names ) );
490     H1( "      --demuxer <string>      Specify input container format [\"%s\"]\n"
491         "                                  - %s\n", demuxer_names[0], stringify_names( buf, demuxer_names ) );
492     H1( "      --index <string>        Filename for input index file\n" );
493     H0( "      --sar width:height      Specify Sample Aspect Ratio\n" );
494     H0( "      --fps <float|rational>  Specify framerate\n" );
495     H0( "      --seek <integer>        First frame to encode\n" );
496     H0( "      --frames <integer>      Maximum number of frames to encode\n" );
497     H0( "      --level <string>        Specify level (as defined by Annex A)\n" );
498     H1( "\n" );
499     H1( "  -v, --verbose               Print stats for each frame\n" );
500     H1( "      --no-progress           Don't show the progress indicator while encoding\n" );
501     H0( "      --quiet                 Quiet Mode\n" );
502     H1( "      --psnr                  Enable PSNR computation\n" );
503     H1( "      --ssim                  Enable SSIM computation\n" );
504     H1( "      --threads <integer>     Force a specific number of threads\n" );
505     H2( "      --sliced-threads        Low-latency but lower-efficiency threading\n" );
506     H2( "      --thread-input          Run Avisynth in its own thread\n" );
507     H2( "      --sync-lookahead <integer> Number of buffer frames for threaded lookahead\n" );
508     H2( "      --non-deterministic     Slightly improve quality of SMP, at the cost of repeatability\n" );
509     H2( "      --asm <integer>         Override CPU detection\n" );
510     H2( "      --no-asm                Disable all CPU optimizations\n" );
511     H2( "      --visualize             Show MB types overlayed on the encoded video\n" );
512     H2( "      --dump-yuv <string>     Save reconstructed frames\n" );
513     H2( "      --sps-id <integer>      Set SPS and PPS id numbers [%d]\n", defaults->i_sps_id );
514     H2( "      --aud                   Use access unit delimiters\n" );
515     H2( "      --force-cfr             Force constant framerate timestamp generation\n" );
516     H0( "\n" );
517 }
518
519 #define OPT_FRAMES 256
520 #define OPT_SEEK 257
521 #define OPT_QPFILE 258
522 #define OPT_THREAD_INPUT 259
523 #define OPT_QUIET 260
524 #define OPT_NOPROGRESS 261
525 #define OPT_VISUALIZE 262
526 #define OPT_LONGHELP 263
527 #define OPT_PROFILE 264
528 #define OPT_PRESET 265
529 #define OPT_TUNE 266
530 #define OPT_SLOWFIRSTPASS 267
531 #define OPT_FULLHELP 268
532 #define OPT_FPS 269
533 #define OPT_MUXER 270
534 #define OPT_DEMUXER 271
535 #define OPT_INDEX 272
536 #define OPT_INTERLACED 273
537
538 static char short_options[] = "8A:B:b:f:hI:i:m:o:p:q:r:t:Vvw";
539 static struct option long_options[] =
540 {
541     { "help",              no_argument, NULL, 'h' },
542     { "longhelp",          no_argument, NULL, OPT_LONGHELP },
543     { "fullhelp",          no_argument, NULL, OPT_FULLHELP },
544     { "version",           no_argument, NULL, 'V' },
545     { "profile",     required_argument, NULL, OPT_PROFILE },
546     { "preset",      required_argument, NULL, OPT_PRESET },
547     { "tune",        required_argument, NULL, OPT_TUNE },
548     { "slow-firstpass",    no_argument, NULL, OPT_SLOWFIRSTPASS },
549     { "bitrate",     required_argument, NULL, 'B' },
550     { "bframes",     required_argument, NULL, 'b' },
551     { "b-adapt",     required_argument, NULL, 0 },
552     { "no-b-adapt",        no_argument, NULL, 0 },
553     { "b-bias",      required_argument, NULL, 0 },
554     { "b-pyramid",   required_argument, NULL, 0 },
555     { "min-keyint",  required_argument, NULL, 'i' },
556     { "keyint",      required_argument, NULL, 'I' },
557     { "intra-refresh",     no_argument, NULL, 0 },
558     { "scenecut",    required_argument, NULL, 0 },
559     { "no-scenecut",       no_argument, NULL, 0 },
560     { "nf",                no_argument, NULL, 0 },
561     { "no-deblock",        no_argument, NULL, 0 },
562     { "filter",      required_argument, NULL, 0 },
563     { "deblock",     required_argument, NULL, 'f' },
564     { "interlaced",        no_argument, NULL, OPT_INTERLACED },
565     { "no-interlaced",     no_argument, NULL, OPT_INTERLACED },
566     { "constrained-intra", no_argument, NULL, 0 },
567     { "cabac",             no_argument, NULL, 0 },
568     { "no-cabac",          no_argument, NULL, 0 },
569     { "qp",          required_argument, NULL, 'q' },
570     { "qpmin",       required_argument, NULL, 0 },
571     { "qpmax",       required_argument, NULL, 0 },
572     { "qpstep",      required_argument, NULL, 0 },
573     { "crf",         required_argument, NULL, 0 },
574     { "rc-lookahead",required_argument, NULL, 0 },
575     { "ref",         required_argument, NULL, 'r' },
576     { "asm",         required_argument, NULL, 0 },
577     { "no-asm",            no_argument, NULL, 0 },
578     { "sar",         required_argument, NULL, 0 },
579     { "fps",         required_argument, NULL, OPT_FPS },
580     { "frames",      required_argument, NULL, OPT_FRAMES },
581     { "seek",        required_argument, NULL, OPT_SEEK },
582     { "output",      required_argument, NULL, 'o' },
583     { "muxer",       required_argument, NULL, OPT_MUXER },
584     { "demuxer",     required_argument, NULL, OPT_DEMUXER },
585     { "stdout",      required_argument, NULL, OPT_MUXER },
586     { "stdin",       required_argument, NULL, OPT_DEMUXER },
587     { "index",       required_argument, NULL, OPT_INDEX },
588     { "analyse",     required_argument, NULL, 0 },
589     { "partitions",  required_argument, NULL, 'A' },
590     { "direct",      required_argument, NULL, 0 },
591     { "weightb",           no_argument, NULL, 'w' },
592     { "no-weightb",        no_argument, NULL, 0 },
593     { "weightp",     required_argument, NULL, 0 },
594     { "me",          required_argument, NULL, 0 },
595     { "merange",     required_argument, NULL, 0 },
596     { "mvrange",     required_argument, NULL, 0 },
597     { "mvrange-thread", required_argument, NULL, 0 },
598     { "subme",       required_argument, NULL, 'm' },
599     { "psy-rd",      required_argument, NULL, 0 },
600     { "no-psy",            no_argument, NULL, 0 },
601     { "psy",               no_argument, NULL, 0 },
602     { "mixed-refs",        no_argument, NULL, 0 },
603     { "no-mixed-refs",     no_argument, NULL, 0 },
604     { "no-chroma-me",      no_argument, NULL, 0 },
605     { "8x8dct",            no_argument, NULL, 0 },
606     { "no-8x8dct",         no_argument, NULL, 0 },
607     { "trellis",     required_argument, NULL, 't' },
608     { "fast-pskip",        no_argument, NULL, 0 },
609     { "no-fast-pskip",     no_argument, NULL, 0 },
610     { "no-dct-decimate",   no_argument, NULL, 0 },
611     { "aq-strength", required_argument, NULL, 0 },
612     { "aq-mode",     required_argument, NULL, 0 },
613     { "deadzone-inter", required_argument, NULL, '0' },
614     { "deadzone-intra", required_argument, NULL, '0' },
615     { "level",       required_argument, NULL, 0 },
616     { "ratetol",     required_argument, NULL, 0 },
617     { "vbv-maxrate", required_argument, NULL, 0 },
618     { "vbv-bufsize", required_argument, NULL, 0 },
619     { "vbv-init",    required_argument, NULL,  0 },
620     { "ipratio",     required_argument, NULL, 0 },
621     { "pbratio",     required_argument, NULL, 0 },
622     { "chroma-qp-offset", required_argument, NULL, 0 },
623     { "pass",        required_argument, NULL, 'p' },
624     { "stats",       required_argument, NULL, 0 },
625     { "qcomp",       required_argument, NULL, 0 },
626     { "mbtree",            no_argument, NULL, 0 },
627     { "no-mbtree",         no_argument, NULL, 0 },
628     { "qblur",       required_argument, NULL, 0 },
629     { "cplxblur",    required_argument, NULL, 0 },
630     { "zones",       required_argument, NULL, 0 },
631     { "qpfile",      required_argument, NULL, OPT_QPFILE },
632     { "threads",     required_argument, NULL, 0 },
633     { "sliced-threads",    no_argument, NULL, 0 },
634     { "no-sliced-threads", no_argument, NULL, 0 },
635     { "slice-max-size",    required_argument, NULL, 0 },
636     { "slice-max-mbs",     required_argument, NULL, 0 },
637     { "slices",            required_argument, NULL, 0 },
638     { "thread-input",      no_argument, NULL, OPT_THREAD_INPUT },
639     { "sync-lookahead",    required_argument, NULL, 0 },
640     { "non-deterministic", no_argument, NULL, 0 },
641     { "psnr",              no_argument, NULL, 0 },
642     { "ssim",              no_argument, NULL, 0 },
643     { "quiet",             no_argument, NULL, OPT_QUIET },
644     { "verbose",           no_argument, NULL, 'v' },
645     { "no-progress",       no_argument, NULL, OPT_NOPROGRESS },
646     { "visualize",         no_argument, NULL, OPT_VISUALIZE },
647     { "dump-yuv",    required_argument, NULL, 0 },
648     { "sps-id",      required_argument, NULL, 0 },
649     { "aud",               no_argument, NULL, 0 },
650     { "nr",          required_argument, NULL, 0 },
651     { "cqm",         required_argument, NULL, 0 },
652     { "cqmfile",     required_argument, NULL, 0 },
653     { "cqm4",        required_argument, NULL, 0 },
654     { "cqm4i",       required_argument, NULL, 0 },
655     { "cqm4iy",      required_argument, NULL, 0 },
656     { "cqm4ic",      required_argument, NULL, 0 },
657     { "cqm4p",       required_argument, NULL, 0 },
658     { "cqm4py",      required_argument, NULL, 0 },
659     { "cqm4pc",      required_argument, NULL, 0 },
660     { "cqm8",        required_argument, NULL, 0 },
661     { "cqm8i",       required_argument, NULL, 0 },
662     { "cqm8p",       required_argument, NULL, 0 },
663     { "overscan",    required_argument, NULL, 0 },
664     { "videoformat", required_argument, NULL, 0 },
665     { "fullrange",   required_argument, NULL, 0 },
666     { "colorprim",   required_argument, NULL, 0 },
667     { "transfer",    required_argument, NULL, 0 },
668     { "colormatrix", required_argument, NULL, 0 },
669     { "chromaloc",   required_argument, NULL, 0 },
670     { "force-cfr",         no_argument, NULL, 0 },
671     {0, 0, 0, 0}
672 };
673
674 static int select_output( const char *muxer, char *filename, x264_param_t *param )
675 {
676     const char *ext = get_filename_extension( filename );
677     if( !strcmp( filename, "-" ) || strcasecmp( muxer, "auto" ) )
678         ext = muxer;
679
680     if( !strcasecmp( ext, "mp4" ) )
681     {
682 #ifdef MP4_OUTPUT
683         output = mp4_output;
684         param->b_annexb = 0;
685         param->b_aud = 0;
686         param->b_dts_compress = 0;
687         param->b_repeat_headers = 0;
688 #else
689         fprintf( stderr, "x264 [error]: not compiled with MP4 output support\n" );
690         return -1;
691 #endif
692     }
693     else if( !strcasecmp( ext, "mkv" ) )
694     {
695         output = mkv_output;
696         param->b_annexb = 0;
697         param->b_aud = 0;
698         param->b_dts_compress = 0;
699         param->b_repeat_headers = 0;
700     }
701     else if( !strcasecmp( ext, "flv" ) )
702     {
703         output = flv_output;
704         param->b_annexb = 0;
705         param->b_aud = 0;
706         param->b_dts_compress = 1;
707         param->b_repeat_headers = 0;
708     }
709     else
710         output = raw_output;
711     return 0;
712 }
713
714 static int select_input( const char *demuxer, char *used_demuxer, char *filename,
715                          hnd_t *p_handle, video_info_t *info, cli_input_opt_t *opt )
716 {
717     const char *ext = get_filename_extension( filename );
718     int b_regular = strcmp( filename, "-" );
719     int b_auto = !strcasecmp( demuxer, "auto" );
720     if( !b_regular && b_auto )
721         ext = "yuv";
722     if( b_regular )
723     {
724         FILE *f = fopen( filename, "r" );
725         if( f )
726         {
727             b_regular = x264_is_regular_file( f );
728             fclose( f );
729         }
730     }
731     const char *module = b_auto ? ext : demuxer;
732
733     if( !strcasecmp( module, "avs" ) || !strcasecmp( ext, "d2v" ) || !strcasecmp( ext, "dga" ) )
734     {
735 #ifdef AVS_INPUT
736         input = avs_input;
737         module = "avs";
738 #else
739         fprintf( stderr, "x264 [error]: not compiled with AVS input support\n" );
740         return -1;
741 #endif
742     }
743     else if( !strcasecmp( module, "y4m" ) )
744         input = y4m_input;
745     else if( !strcasecmp( module, "yuv" ) )
746         input = yuv_input;
747     else
748     {
749 #ifdef FFMS_INPUT
750         if( b_regular && (b_auto || !strcasecmp( demuxer, "ffms" )) &&
751             !ffms_input.open_file( filename, p_handle, info, opt ) )
752         {
753             module = "ffms";
754             b_auto = 0;
755             input = ffms_input;
756         }
757 #endif
758 #ifdef LAVF_INPUT
759         if( (b_auto || !strcasecmp( demuxer, "lavf" )) &&
760             !lavf_input.open_file( filename, p_handle, info, opt ) )
761         {
762             module = "lavf";
763             b_auto = 0;
764             input = lavf_input;
765         }
766 #endif
767 #ifdef AVS_INPUT
768         if( b_regular && (b_auto || !strcasecmp( demuxer, "avs" )) &&
769             !avs_input.open_file( filename, p_handle, info, opt ) )
770         {
771             module = "avs";
772             b_auto = 0;
773             input = avs_input;
774         }
775 #endif
776         if( b_auto && !yuv_input.open_file( filename, p_handle, info, opt ) )
777         {
778             module = "yuv";
779             b_auto = 0;
780             input = yuv_input;
781         }
782
783         if( !(*p_handle) )
784         {
785             fprintf( stderr, "x264 [error]: could not open input file `%s' via any method!\n", filename );
786             return -1;
787         }
788     }
789     strcpy( used_demuxer, module );
790
791     return 0;
792 }
793
794 /*****************************************************************************
795  * Parse:
796  *****************************************************************************/
797 static int Parse( int argc, char **argv, x264_param_t *param, cli_opt_t *opt )
798 {
799     char *input_filename = NULL;
800     const char *demuxer = demuxer_names[0];
801     char *output_filename = NULL;
802     const char *muxer = muxer_names[0];
803     x264_param_t defaults = *param;
804     char *profile = NULL;
805     int b_thread_input = 0;
806     int b_turbo = 1;
807     int b_pass1 = 0;
808     int b_user_ref = 0;
809     int b_user_fps = 0;
810     int b_user_interlaced = 0;
811     int i;
812     cli_input_opt_t input_opt;
813
814     memset( opt, 0, sizeof(cli_opt_t) );
815     memset( &input_opt, 0, sizeof(cli_input_opt_t) );
816     opt->b_progress = 1;
817
818     /* Presets are applied before all other options. */
819     for( optind = 0;; )
820     {
821         int c = getopt_long( argc, argv, short_options, long_options, NULL );
822         if( c == -1 )
823             break;
824
825         if( c == OPT_PRESET )
826         {
827             if( !strcasecmp( optarg, "ultrafast" ) )
828             {
829                 param->i_frame_reference = 1;
830                 param->i_scenecut_threshold = 0;
831                 param->b_deblocking_filter = 0;
832                 param->b_cabac = 0;
833                 param->i_bframe = 0;
834                 param->analyse.intra = 0;
835                 param->analyse.inter = 0;
836                 param->analyse.b_transform_8x8 = 0;
837                 param->analyse.i_me_method = X264_ME_DIA;
838                 param->analyse.i_subpel_refine = 0;
839                 param->rc.i_aq_mode = 0;
840                 param->analyse.b_mixed_references = 0;
841                 param->analyse.i_trellis = 0;
842                 param->i_bframe_adaptive = X264_B_ADAPT_NONE;
843                 param->rc.b_mb_tree = 0;
844                 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
845             }
846             else if( !strcasecmp( optarg, "veryfast" ) )
847             {
848                 param->analyse.inter = X264_ANALYSE_I8x8|X264_ANALYSE_I4x4;
849                 param->analyse.i_me_method = X264_ME_DIA;
850                 param->analyse.i_subpel_refine = 1;
851                 param->i_frame_reference = 1;
852                 param->analyse.b_mixed_references = 0;
853                 param->analyse.i_trellis = 0;
854                 param->rc.b_mb_tree = 0;
855                 param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
856             }
857             else if( !strcasecmp( optarg, "faster" ) )
858             {
859                 param->analyse.b_mixed_references = 0;
860                 param->i_frame_reference = 2;
861                 param->analyse.i_subpel_refine = 4;
862                 param->rc.b_mb_tree = 0;
863                 param->analyse.i_weighted_pred = X264_WEIGHTP_BLIND;
864             }
865             else if( !strcasecmp( optarg, "fast" ) )
866             {
867                 param->i_frame_reference = 2;
868                 param->analyse.i_subpel_refine = 6;
869                 param->rc.i_lookahead = 30;
870             }
871             else if( !strcasecmp( optarg, "medium" ) )
872             {
873                 /* Default is medium */
874             }
875             else if( !strcasecmp( optarg, "slow" ) )
876             {
877                 param->analyse.i_me_method = X264_ME_UMH;
878                 param->analyse.i_subpel_refine = 8;
879                 param->i_frame_reference = 5;
880                 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
881                 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
882                 param->rc.i_lookahead = 50;
883             }
884             else if( !strcasecmp( optarg, "slower" ) )
885             {
886                 param->analyse.i_me_method = X264_ME_UMH;
887                 param->analyse.i_subpel_refine = 9;
888                 param->i_frame_reference = 8;
889                 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
890                 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
891                 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
892                 param->analyse.i_trellis = 2;
893                 param->rc.i_lookahead = 60;
894             }
895             else if( !strcasecmp( optarg, "veryslow" ) )
896             {
897                 param->analyse.i_me_method = X264_ME_UMH;
898                 param->analyse.i_subpel_refine = 10;
899                 param->analyse.i_me_range = 24;
900                 param->i_frame_reference = 16;
901                 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
902                 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
903                 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
904                 param->analyse.i_trellis = 2;
905                 param->i_bframe = 8;
906                 param->rc.i_lookahead = 60;
907             }
908             else if( !strcasecmp( optarg, "placebo" ) )
909             {
910                 param->analyse.i_me_method = X264_ME_TESA;
911                 param->analyse.i_subpel_refine = 10;
912                 param->analyse.i_me_range = 24;
913                 param->i_frame_reference = 16;
914                 param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
915                 param->analyse.i_direct_mv_pred = X264_DIRECT_PRED_AUTO;
916                 param->analyse.inter |= X264_ANALYSE_PSUB8x8;
917                 param->analyse.b_fast_pskip = 0;
918                 param->analyse.i_trellis = 2;
919                 param->i_bframe = 16;
920                 param->rc.i_lookahead = 60;
921                 b_turbo = 0;
922             }
923             else
924             {
925                 fprintf( stderr, "x264 [error]: invalid preset '%s'\n", optarg );
926                 return -1;
927             }
928         }
929         else if( c == '?' )
930             return -1;
931     }
932
933     /* Tunings are applied next. */
934     for( optind = 0;; )
935     {
936         int c = getopt_long( argc, argv, short_options, long_options, NULL );
937         if( c == -1 )
938             break;
939
940         if( c == OPT_TUNE )
941         {
942             char *s = strtok( optarg, ",./-+" );
943             int psy_tuning_used = 0;
944             while( s )
945             {
946                 if( !strncasecmp( s, "film", 4 ) )
947                 {
948                     if( psy_tuning_used ) goto psy_failure;
949                     param->i_deblocking_filter_alphac0 = -1;
950                     param->i_deblocking_filter_beta = -1;
951                     param->analyse.f_psy_trellis = 0.15;
952                     psy_tuning_used = 1;
953                 }
954                 else if( !strncasecmp( s, "animation", 9 ) )
955                 {
956                     if( psy_tuning_used ) goto psy_failure;
957                     param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
958                     param->i_deblocking_filter_alphac0 = 1;
959                     param->i_deblocking_filter_beta = 1;
960                     param->analyse.f_psy_rd = 0.4;
961                     param->rc.f_aq_strength = 0.6;
962                     param->i_bframe += 2;
963                     psy_tuning_used = 1;
964                 }
965                 else if( !strncasecmp( s, "grain", 5 ) )
966                 {
967                     if( psy_tuning_used ) goto psy_failure;
968                     param->i_deblocking_filter_alphac0 = -2;
969                     param->i_deblocking_filter_beta = -2;
970                     param->analyse.f_psy_trellis = 0.25;
971                     param->analyse.b_dct_decimate = 0;
972                     param->rc.f_pb_factor = 1.1;
973                     param->rc.f_ip_factor = 1.1;
974                     param->rc.f_aq_strength = 0.5;
975                     param->analyse.i_luma_deadzone[0] = 6;
976                     param->analyse.i_luma_deadzone[1] = 6;
977                     param->rc.f_qcompress = 0.8;
978                     psy_tuning_used = 1;
979                 }
980                 else if( !strncasecmp( s, "psnr", 4 ) )
981                 {
982                     if( psy_tuning_used ) goto psy_failure;
983                     param->rc.i_aq_mode = X264_AQ_NONE;
984                     param->analyse.b_psy = 0;
985                     psy_tuning_used = 1;
986                 }
987                 else if( !strncasecmp( s, "ssim", 4 ) )
988                 {
989                     if( psy_tuning_used ) goto psy_failure;
990                     param->rc.i_aq_mode = X264_AQ_AUTOVARIANCE;
991                     param->analyse.b_psy = 0;
992                     psy_tuning_used = 1;
993                 }
994                 else if( !strncasecmp( s, "fastdecode", 10 ) )
995                 {
996                     param->b_deblocking_filter = 0;
997                     param->b_cabac = 0;
998                     param->analyse.b_weighted_bipred = 0;
999                     param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
1000                 }
1001                 else if( !strncasecmp( s, "zerolatency", 11 ) )
1002                 {
1003                     param->rc.i_lookahead = 0;
1004                     param->i_sync_lookahead = 0;
1005                     param->i_bframe = 0;
1006                     param->b_sliced_threads = 1;
1007                 }
1008                 else if( !strncasecmp( s, "touhou", 6 ) )
1009                 {
1010                     if( psy_tuning_used ) goto psy_failure;
1011                     param->i_frame_reference = param->i_frame_reference > 1 ? param->i_frame_reference*2 : 1;
1012                     param->i_deblocking_filter_alphac0 = -1;
1013                     param->i_deblocking_filter_beta = -1;
1014                     param->analyse.f_psy_trellis = 0.2;
1015                     param->rc.f_aq_strength = 1.3;
1016                     if( param->analyse.inter & X264_ANALYSE_PSUB16x16 )
1017                         param->analyse.inter |= X264_ANALYSE_PSUB8x8;
1018                     psy_tuning_used = 1;
1019                 }
1020                 else
1021                 {
1022                     fprintf( stderr, "x264 [error]: invalid tune '%s'\n", s );
1023                     return -1;
1024                 }
1025                 if( 0 )
1026                 {
1027 psy_failure:
1028                     fprintf( stderr, "x264 [warning]: only 1 psy tuning can be used: ignoring tune %s\n", s );
1029                 }
1030                 s = strtok( NULL, ",./-+" );
1031             }
1032         }
1033         else if( c == '?' )
1034             return -1;
1035     }
1036
1037     /* Parse command line options */
1038     for( optind = 0;; )
1039     {
1040         int b_error = 0;
1041         int long_options_index = -1;
1042
1043         int c = getopt_long( argc, argv, short_options, long_options, &long_options_index );
1044
1045         if( c == -1 )
1046         {
1047             break;
1048         }
1049
1050         switch( c )
1051         {
1052             case 'h':
1053                 Help( &defaults, 0 );
1054                 exit(0);
1055             case OPT_LONGHELP:
1056                 Help( &defaults, 1 );
1057                 exit(0);
1058             case OPT_FULLHELP:
1059                 Help( &defaults, 2 );
1060                 exit(0);
1061             case 'V':
1062 #ifdef X264_POINTVER
1063                 printf( "x264 "X264_POINTVER"\n" );
1064 #else
1065                 printf( "x264 0.%d.X\n", X264_BUILD );
1066 #endif
1067                 printf( "built on " __DATE__ ", " );
1068 #ifdef __GNUC__
1069                 printf( "gcc: " __VERSION__ "\n" );
1070 #else
1071                 printf( "using a non-gcc compiler\n" );
1072 #endif
1073                 exit(0);
1074             case OPT_FRAMES:
1075                 param->i_frame_total = X264_MAX( atoi( optarg ), 0 );
1076                 break;
1077             case OPT_SEEK:
1078                 opt->i_seek = input_opt.seek = X264_MAX( atoi( optarg ), 0 );
1079                 break;
1080             case 'o':
1081                 output_filename = optarg;
1082                 break;
1083             case OPT_MUXER:
1084                 for( i = 0; muxer_names[i] && strcasecmp( muxer_names[i], optarg ); )
1085                     i++;
1086                 if( !muxer_names[i] )
1087                 {
1088                     fprintf( stderr, "x264 [error]: invalid muxer '%s'\n", optarg );
1089                     return -1;
1090                 }
1091                 muxer = optarg;
1092                 break;
1093             case OPT_DEMUXER:
1094                 for( i = 0; demuxer_names[i] && strcasecmp( demuxer_names[i], optarg ); )
1095                     i++;
1096                 if( !demuxer_names[i] )
1097                 {
1098                     fprintf( stderr, "x264 [error]: invalid demuxer '%s'\n", optarg );
1099                     return -1;
1100                 }
1101                 demuxer = optarg;
1102                 break;
1103             case OPT_INDEX:
1104                 input_opt.index = optarg;
1105                 break;
1106             case OPT_QPFILE:
1107                 opt->qpfile = fopen( optarg, "rb" );
1108                 if( !opt->qpfile )
1109                 {
1110                     fprintf( stderr, "x264 [error]: can't open qpfile `%s'\n", optarg );
1111                     return -1;
1112                 }
1113                 else if( !x264_is_regular_file( opt->qpfile ) )
1114                 {
1115                     fprintf( stderr, "x264 [error]: qpfile incompatible with non-regular file `%s'\n", optarg );
1116                     fclose( opt->qpfile );
1117                     return -1;
1118                 }
1119                 break;
1120             case OPT_THREAD_INPUT:
1121                 b_thread_input = 1;
1122                 break;
1123             case OPT_QUIET:
1124                 param->i_log_level = X264_LOG_NONE;
1125                 break;
1126             case 'v':
1127                 param->i_log_level = X264_LOG_DEBUG;
1128                 break;
1129             case OPT_NOPROGRESS:
1130                 opt->b_progress = 0;
1131                 break;
1132             case OPT_VISUALIZE:
1133 #ifdef VISUALIZE
1134                 param->b_visualize = 1;
1135                 b_exit_on_ctrl_c = 1;
1136 #else
1137                 fprintf( stderr, "x264 [warning]: not compiled with visualization support\n" );
1138 #endif
1139                 break;
1140             case OPT_TUNE:
1141             case OPT_PRESET:
1142                 break;
1143             case OPT_PROFILE:
1144                 profile = optarg;
1145                 break;
1146             case OPT_SLOWFIRSTPASS:
1147                 b_turbo = 0;
1148                 break;
1149             case 'r':
1150                 b_user_ref = 1;
1151                 goto generic_option;
1152             case 'p':
1153                 b_pass1 = atoi( optarg ) == 1;
1154                 goto generic_option;
1155             case OPT_FPS:
1156                 b_user_fps = 1;
1157                 param->b_vfr_input = 0;
1158                 goto generic_option;
1159             case OPT_INTERLACED:
1160                 b_user_interlaced = 1;
1161                 goto generic_option;
1162             default:
1163 generic_option:
1164             {
1165                 int i;
1166                 if( long_options_index < 0 )
1167                 {
1168                     for( i = 0; long_options[i].name; i++ )
1169                         if( long_options[i].val == c )
1170                         {
1171                             long_options_index = i;
1172                             break;
1173                         }
1174                     if( long_options_index < 0 )
1175                     {
1176                         /* getopt_long already printed an error message */
1177                         return -1;
1178                     }
1179                 }
1180
1181                 b_error |= x264_param_parse( param, long_options[long_options_index].name, optarg );
1182             }
1183         }
1184
1185         if( b_error )
1186         {
1187             const char *name = long_options_index > 0 ? long_options[long_options_index].name : argv[optind-2];
1188             fprintf( stderr, "x264 [error]: invalid argument: %s = %s\n", name, optarg );
1189             return -1;
1190         }
1191     }
1192
1193     /* Set faster options in case of turbo firstpass. */
1194     if( b_turbo && b_pass1 )
1195     {
1196         param->i_frame_reference = 1;
1197         param->analyse.b_transform_8x8 = 0;
1198         param->analyse.inter = 0;
1199         param->analyse.i_me_method = X264_ME_DIA;
1200         param->analyse.i_subpel_refine = X264_MIN( 2, param->analyse.i_subpel_refine );
1201         param->analyse.i_trellis = 0;
1202     }
1203
1204     /* Apply profile restrictions. */
1205     if( profile )
1206     {
1207         if( !strcasecmp( profile, "baseline" ) )
1208         {
1209             param->analyse.b_transform_8x8 = 0;
1210             param->b_cabac = 0;
1211             param->i_cqm_preset = X264_CQM_FLAT;
1212             param->i_bframe = 0;
1213             param->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
1214             if( param->b_interlaced )
1215             {
1216                 fprintf( stderr, "x264 [error]: baseline profile doesn't support interlacing\n" );
1217                 return -1;
1218             }
1219         }
1220         else if( !strcasecmp( profile, "main" ) )
1221         {
1222             param->analyse.b_transform_8x8 = 0;
1223             param->i_cqm_preset = X264_CQM_FLAT;
1224         }
1225         else if( !strcasecmp( profile, "high" ) )
1226         {
1227             /* Default */
1228         }
1229         else
1230         {
1231             fprintf( stderr, "x264 [error]: invalid profile: %s\n", profile );
1232             return -1;
1233         }
1234         if( (param->rc.i_rc_method == X264_RC_CQP && param->rc.i_qp_constant == 0) ||
1235             (param->rc.i_rc_method == X264_RC_CRF && param->rc.f_rf_constant == 0) )
1236         {
1237             fprintf( stderr, "x264 [error]: %s profile doesn't support lossless\n", profile );
1238             return -1;
1239         }
1240     }
1241
1242     /* Get the file name */
1243     if( optind > argc - 1 || !output_filename )
1244     {
1245         fprintf( stderr, "x264 [error]: No %s file. Run x264 --help for a list of options.\n",
1246                  optind > argc - 1 ? "input" : "output" );
1247         return -1;
1248     }
1249
1250     if( select_output( muxer, output_filename, param ) )
1251         return -1;
1252     if( output.open_file( output_filename, &opt->hout ) )
1253     {
1254         fprintf( stderr, "x264 [error]: could not open output file `%s'\n", output_filename );
1255         return -1;
1256     }
1257
1258     input_filename = argv[optind++];
1259     input_opt.resolution = optind < argc ? argv[optind++] : NULL;
1260     video_info_t info = {0};
1261     char demuxername[5];
1262
1263     /* set info flags to param flags to be overwritten by demuxer as necessary. */
1264     info.csp        = param->i_csp;
1265     info.fps_num    = param->i_fps_num;
1266     info.fps_den    = param->i_fps_den;
1267     info.interlaced = param->b_interlaced;
1268     info.sar_width  = param->vui.i_sar_width;
1269     info.sar_height = param->vui.i_sar_height;
1270     info.vfr        = param->b_vfr_input;
1271
1272     if( select_input( demuxer, demuxername, input_filename, &opt->hin, &info, &input_opt ) )
1273         return -1;
1274
1275     if( !opt->hin && input.open_file( input_filename, &opt->hin, &info, &input_opt ) )
1276     {
1277         fprintf( stderr, "x264 [error]: could not open input file `%s'\n", input_filename );
1278         return -1;
1279     }
1280
1281     x264_reduce_fraction( &info.sar_width, &info.sar_height );
1282     x264_reduce_fraction( &info.fps_num, &info.fps_den );
1283     if( param->i_log_level >= X264_LOG_INFO )
1284         fprintf( stderr, "%s [info]: %dx%d%c %d:%d @ %d/%d fps (%cfr)\n", demuxername, info.width,
1285                  info.height, info.interlaced ? 'i' : 'p', info.sar_width, info.sar_height,
1286                  info.fps_num, info.fps_den, info.vfr ? 'v' : 'c' );
1287
1288     /* set param flags from the info flags as necessary */
1289     param->i_csp       = info.csp;
1290     param->i_height    = info.height;
1291     param->b_vfr_input = info.vfr;
1292     param->i_width     = info.width;
1293     if( !b_user_interlaced && info.interlaced )
1294     {
1295         fprintf( stderr, "x264 [warning]: input appears to be interlaced, enabling interlaced mode.\n"
1296                          "                If you want otherwise, use --no-interlaced\n" );
1297         param->b_interlaced = 1;
1298     }
1299     if( !b_user_fps )
1300     {
1301         param->i_fps_num = info.fps_num;
1302         param->i_fps_den = info.fps_den;
1303     }
1304     if( param->b_vfr_input )
1305     {
1306         param->i_timebase_num = info.timebase_num;
1307         param->i_timebase_den = info.timebase_den;
1308     }
1309     else
1310     {
1311         param->i_timebase_den = param->i_fps_num;
1312         param->i_timebase_num = param->i_fps_den;
1313     }
1314     if( !param->vui.i_sar_width || !param->vui.i_sar_height )
1315     {
1316         param->vui.i_sar_width  = info.sar_width;
1317         param->vui.i_sar_height = info.sar_height;
1318     }
1319
1320 #ifdef HAVE_PTHREAD
1321     if( b_thread_input || param->i_threads > 1
1322         || (param->i_threads == X264_THREADS_AUTO && x264_cpu_num_processors() > 1) )
1323     {
1324         if( thread_input.open_file( NULL, &opt->hin, &info, NULL ) )
1325         {
1326             fprintf( stderr, "x264 [error]: threaded input failed\n" );
1327             return -1;
1328         }
1329         else
1330             input = thread_input;
1331     }
1332 #endif
1333
1334
1335     /* Automatically reduce reference frame count to match the user's target level
1336      * if the user didn't explicitly set a reference frame count. */
1337     if( !b_user_ref )
1338     {
1339         int mbs = (((param->i_width)+15)>>4) * (((param->i_height)+15)>>4);
1340         int i;
1341         for( i = 0; x264_levels[i].level_idc != 0; i++ )
1342             if( param->i_level_idc == x264_levels[i].level_idc )
1343             {
1344                 while( mbs * 384 * param->i_frame_reference > x264_levels[i].dpb
1345                        && param->i_frame_reference > 1 )
1346                 {
1347                     param->i_frame_reference--;
1348                 }
1349                 break;
1350             }
1351     }
1352
1353
1354     return 0;
1355 }
1356
1357 static void parse_qpfile( cli_opt_t *opt, x264_picture_t *pic, int i_frame )
1358 {
1359     int num = -1, qp, ret;
1360     char type;
1361     uint64_t file_pos;
1362     while( num < i_frame )
1363     {
1364         file_pos = ftell( opt->qpfile );
1365         ret = fscanf( opt->qpfile, "%d %c %d\n", &num, &type, &qp );
1366         if( num > i_frame || ret == EOF )
1367         {
1368             pic->i_type = X264_TYPE_AUTO;
1369             pic->i_qpplus1 = 0;
1370             fseek( opt->qpfile, file_pos, SEEK_SET );
1371             break;
1372         }
1373         if( num < i_frame && ret == 3 )
1374             continue;
1375         pic->i_qpplus1 = qp+1;
1376         if     ( type == 'I' ) pic->i_type = X264_TYPE_IDR;
1377         else if( type == 'i' ) pic->i_type = X264_TYPE_I;
1378         else if( type == 'P' ) pic->i_type = X264_TYPE_P;
1379         else if( type == 'B' ) pic->i_type = X264_TYPE_BREF;
1380         else if( type == 'b' ) pic->i_type = X264_TYPE_B;
1381         else ret = 0;
1382         if( ret != 3 || qp < -1 || qp > 51 )
1383         {
1384             fprintf( stderr, "x264 [error]: can't parse qpfile for frame %d\n", i_frame );
1385             fclose( opt->qpfile );
1386             opt->qpfile = NULL;
1387             pic->i_type = X264_TYPE_AUTO;
1388             pic->i_qpplus1 = 0;
1389             break;
1390         }
1391     }
1392 }
1393
1394 /*****************************************************************************
1395  * Encode:
1396  *****************************************************************************/
1397
1398 static int  Encode_frame( x264_t *h, hnd_t hout, x264_picture_t *pic, int64_t *last_pts )
1399 {
1400     x264_picture_t pic_out;
1401     x264_nal_t *nal;
1402     int i_nal;
1403     int i_frame_size = 0;
1404
1405     i_frame_size = x264_encoder_encode( h, &nal, &i_nal, pic, &pic_out );
1406
1407     if( i_frame_size < 0 )
1408     {
1409         fprintf( stderr, "x264 [error]: x264_encoder_encode failed\n" );
1410         return -1;
1411     }
1412
1413     if( i_frame_size )
1414     {
1415         i_frame_size = output.write_frame( hout, nal[0].p_payload, i_frame_size, &pic_out );
1416         *last_pts = pic_out.i_pts;
1417     }
1418
1419     return i_frame_size;
1420 }
1421
1422 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_pts )
1423 {
1424     char    buf[200];
1425     int64_t i_elapsed = x264_mdate() - i_start;
1426     double fps = i_elapsed > 0 ? i_frame * 1000000. / i_elapsed : 0;
1427     double bitrate = (double) i_file * 8 / ( (double) last_pts * 1000 * param->i_timebase_num / param->i_timebase_den );
1428     if( i_frame_total )
1429     {
1430         int eta = i_elapsed * (i_frame_total - i_frame) / ((int64_t)i_frame * 1000000);
1431         sprintf( buf, "x264 [%.1f%%] %d/%d frames, %.2f fps, %.2f kb/s, eta %d:%02d:%02d",
1432                  100. * i_frame / i_frame_total, i_frame, i_frame_total, fps, bitrate,
1433                  eta/3600, (eta/60)%60, eta%60 );
1434     }
1435     else
1436     {
1437         sprintf( buf, "x264 %d frames: %.2f fps, %.2f kb/s", i_frame, fps, bitrate );
1438     }
1439     fprintf( stderr, "%s  \r", buf+5 );
1440     SetConsoleTitle( buf );
1441     fflush( stderr ); // needed in windows
1442 }
1443
1444 static int  Encode( x264_param_t *param, cli_opt_t *opt )
1445 {
1446     x264_t *h;
1447     x264_picture_t pic;
1448
1449     int     i_frame, i_frame_total, i_frame_output;
1450     int64_t i_start, i_end;
1451     int64_t i_file = 0;
1452     int     i_frame_size;
1453     int     i_update_interval;
1454     int64_t last_pts = 0;
1455 #   define  MAX_PTS_WARNING 3 /* arbitrary */
1456     int     pts_warning_cnt = 0;
1457     int64_t largest_pts = -1;
1458     int64_t second_largest_pts = -1;
1459     int64_t ticks_per_frame;
1460     double  duration;
1461     int     prev_timebase_den = param->i_timebase_den;
1462     int     dts_compress_multiplier;
1463
1464     opt->b_progress &= param->i_log_level < X264_LOG_DEBUG;
1465     i_frame_total = input.get_frame_total( opt->hin );
1466     i_frame_total = X264_MAX( i_frame_total - opt->i_seek, 0 );
1467     if( ( i_frame_total == 0 || param->i_frame_total < i_frame_total )
1468         && param->i_frame_total > 0 )
1469         i_frame_total = param->i_frame_total;
1470     param->i_frame_total = i_frame_total;
1471     i_update_interval = i_frame_total ? x264_clip3( i_frame_total / 1000, 1, 10 ) : 10;
1472
1473     if( ( h = x264_encoder_open( param ) ) == NULL )
1474     {
1475         fprintf( stderr, "x264 [error]: x264_encoder_open failed\n" );
1476         input.close_file( opt->hin );
1477         return -1;
1478     }
1479
1480     x264_encoder_parameters( h, param );
1481
1482     dts_compress_multiplier = param->i_timebase_den / prev_timebase_den;
1483
1484     if( output.set_param( opt->hout, param ) )
1485     {
1486         fprintf( stderr, "x264 [error]: can't set outfile param\n" );
1487         input.close_file( opt->hin );
1488         output.close_file( opt->hout, largest_pts, second_largest_pts );
1489         return -1;
1490     }
1491
1492     /* Create a new pic */
1493     if( input.picture_alloc( &pic, param->i_csp, param->i_width, param->i_height ) )
1494     {
1495         fprintf( stderr, "x264 [error]: malloc failed\n" );
1496         return -1;
1497     }
1498
1499     i_start = x264_mdate();
1500     /* ticks/frame = ticks/second / frames/second */
1501     ticks_per_frame = (int64_t)param->i_timebase_den * param->i_fps_den / param->i_timebase_num / param->i_fps_num;
1502     if( ticks_per_frame < 1 )
1503     {
1504         fprintf( stderr, "x264 [error]: ticks_per_frame invalid: %"PRId64"\n", ticks_per_frame );
1505         return -1;
1506     }
1507
1508     if( !param->b_repeat_headers )
1509     {
1510         // Write SPS/PPS/SEI
1511         x264_nal_t *headers;
1512         int i_nal;
1513
1514         if( x264_encoder_headers( h, &headers, &i_nal ) < 0 )
1515         {
1516             fprintf( stderr, "x264 [error]: x264_encoder_headers failed\n" );
1517             return -1;
1518         }
1519
1520         if( (i_file = output.write_headers( opt->hout, headers )) < 0 )
1521             return -1;
1522     }
1523
1524     /* Encode frames */
1525     for( i_frame = 0, i_frame_output = 0; b_ctrl_c == 0 && (i_frame < i_frame_total || i_frame_total == 0); )
1526     {
1527         if( input.read_frame( &pic, opt->hin, i_frame + opt->i_seek ) )
1528             break;
1529
1530         if( !param->b_vfr_input )
1531             pic.i_pts = i_frame;
1532         if( pic.i_pts <= largest_pts )
1533         {
1534             if( param->i_log_level >= X264_LOG_WARNING )
1535             {
1536                 if( param->i_log_level >= X264_LOG_DEBUG || pts_warning_cnt < MAX_PTS_WARNING )
1537                     fprintf( stderr, "x264 [warning]: non-strictly-monotonic pts at frame %d (%"PRId64" <= %"PRId64")\n",
1538                              i_frame, pic.i_pts * dts_compress_multiplier, largest_pts * dts_compress_multiplier );
1539                 else if( pts_warning_cnt == MAX_PTS_WARNING )
1540                     fprintf( stderr, "x264 [warning]: too many nonmonotonic pts warnings, suppressing further ones\n" );
1541                 pts_warning_cnt++;
1542             }
1543             pic.i_pts = largest_pts + ticks_per_frame;
1544         }
1545         second_largest_pts = largest_pts;
1546         largest_pts = pic.i_pts;
1547
1548         if( opt->qpfile )
1549             parse_qpfile( opt, &pic, i_frame + opt->i_seek );
1550         else
1551         {
1552             /* Do not force any parameters */
1553             pic.i_type = X264_TYPE_AUTO;
1554             pic.i_qpplus1 = 0;
1555         }
1556
1557         i_frame_size = Encode_frame( h, opt->hout, &pic, &last_pts );
1558         if( i_frame_size < 0 )
1559             return -1;
1560         i_file += i_frame_size;
1561         if( i_frame_size )
1562             i_frame_output++;
1563
1564         i_frame++;
1565
1566         if( input.release_frame && input.release_frame( &pic, opt->hin ) )
1567             break;
1568
1569         /* update status line (up to 1000 times per input file) */
1570         if( opt->b_progress && i_frame_output % i_update_interval == 0 && i_frame_output )
1571             Print_status( i_start, i_frame_output, i_frame_total, i_file, param, last_pts );
1572     }
1573     /* Flush delayed frames */
1574     while( !b_ctrl_c && x264_encoder_delayed_frames( h ) )
1575     {
1576         i_frame_size = Encode_frame( h, opt->hout, NULL, &last_pts );
1577         if( i_frame_size < 0 )
1578             return -1;
1579         i_file += i_frame_size;
1580         if( i_frame_size )
1581             i_frame_output++;
1582         if( opt->b_progress && i_frame_output % i_update_interval == 0 && i_frame_output )
1583             Print_status( i_start, i_frame_output, i_frame_total, i_file, param, last_pts );
1584     }
1585     if( pts_warning_cnt >= MAX_PTS_WARNING && param->i_log_level < X264_LOG_DEBUG )
1586         fprintf( stderr, "x264 [warning]: %d suppressed nonmonotonic pts warnings\n", pts_warning_cnt-MAX_PTS_WARNING );
1587
1588     /* duration algorithm fails when only 1 frame is output */
1589     if( i_frame_output == 1 )
1590         duration = (double)param->i_fps_den / param->i_fps_num;
1591     else
1592         duration = (double)(2 * largest_pts - second_largest_pts) * param->i_timebase_num / param->i_timebase_den;
1593     duration *= dts_compress_multiplier;
1594
1595     i_end = x264_mdate();
1596     input.picture_clean( &pic );
1597     /* Erase progress indicator before printing encoding stats. */
1598     if( opt->b_progress )
1599         fprintf( stderr, "                                                                               \r" );
1600     x264_encoder_close( h );
1601     fprintf( stderr, "\n" );
1602
1603     if( b_ctrl_c )
1604         fprintf( stderr, "aborted at input frame %d, output frame %d\n", opt->i_seek + i_frame, i_frame_output );
1605
1606     input.close_file( opt->hin );
1607     output.close_file( opt->hout, largest_pts, second_largest_pts );
1608
1609     if( i_frame_output > 0 )
1610     {
1611         double fps = (double)i_frame_output * (double)1000000 /
1612                      (double)( i_end - i_start );
1613
1614         fprintf( stderr, "encoded %d frames, %.2f fps, %.2f kb/s\n", i_frame_output, fps,
1615                  (double) i_file * 8 / ( 1000 * duration ) );
1616     }
1617
1618     return 0;
1619 }