Rename opt_default() so it will not conflict with the one from ffmpeg.c
[libav.git] / cmdutils.c
CommitLineData
01310af2
FB
1/*
2 * Various utilities for command line tools
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
b78e7197
DB
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
01310af2
FB
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
b78e7197 10 * version 2.1 of the License, or (at your option) any later version.
01310af2 11 *
b78e7197 12 * FFmpeg is distributed in the hope that it will be useful,
01310af2
FB
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
b78e7197 18 * License along with FFmpeg; if not, write to the Free Software
5509bffa 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
01310af2 20 */
364a9607 21
0f4e8165
RB
22#include <string.h>
23#include <stdlib.h>
24#include <errno.h>
7c84b8bc 25#include <math.h>
0f4e8165 26
63d026b1 27#include "config.h"
245976da
DB
28#include "libavformat/avformat.h"
29#include "libavfilter/avfilter.h"
30#include "libavdevice/avdevice.h"
db6d50c7 31#include "libswscale/swscale.h"
1981deaf 32#include "libpostproc/postprocess.h"
245976da 33#include "libavutil/avstring.h"
01310af2 34#include "cmdutils.h"
86074ed1 35#include "version.h"
0b705fa4 36#ifdef CONFIG_NETWORK
245976da 37#include "libavformat/network.h"
0b705fa4 38#endif
01310af2 39
c367d067
MN
40#undef exit
41
086ab001
MN
42
43double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
44{
45 char *tail;
46 const char *error;
47 double d = strtod(numstr, &tail);
48 if (*tail)
49 error= "Expected number for %s but found: %s\n";
50 else if (d < min || d > max)
51 error= "The value for %s was %s which is not within %f - %f\n";
52 else if(type == OPT_INT64 && (int64_t)d != d)
53 error= "Expected int64 for %s but found %s\n";
54 else
55 return d;
56 fprintf(stderr, error, context, numstr, min, max);
57 exit(1);
58}
59
7542157d
SS
60int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
61{
62 int64_t us = parse_date(timestr, is_duration);
63 if (us == INT64_MIN) {
64 fprintf(stderr, "Invalid %s specification for %s: %s\n",
65 is_duration ? "duration" : "date", context, timestr);
66 exit(1);
67 }
68 return us;
69}
70
02d504a7 71void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
01310af2
FB
72{
73 const OptionDef *po;
02d504a7 74 int first;
01310af2 75
02d504a7
FB
76 first = 1;
77 for(po = options; po->name != NULL; po++) {
78 char buf[64];
79 if ((po->flags & mask) == value) {
80 if (first) {
81 printf("%s", msg);
82 first = 0;
83 }
f7d78f36 84 av_strlcpy(buf, po->name, sizeof(buf));
02d504a7 85 if (po->flags & HAS_ARG) {
f7d78f36
MR
86 av_strlcat(buf, " ", sizeof(buf));
87 av_strlcat(buf, po->argname, sizeof(buf));
01310af2 88 }
02d504a7 89 printf("-%-17s %s\n", buf, po->help);
01310af2
FB
90 }
91 }
92}
93
fccfc475 94static const OptionDef* find_option(const OptionDef *po, const char *name){
8bbf6db9
MN
95 while (po->name != NULL) {
96 if (!strcmp(name, po->name))
97 break;
98 po++;
99 }
100 return po;
101}
102
60a9966e
SS
103void parse_options(int argc, char **argv, const OptionDef *options,
104 void (* parse_arg_function)(const char*))
01310af2
FB
105{
106 const char *opt, *arg;
b0d7bc1e 107 int optindex, handleoptions=1;
01310af2
FB
108 const OptionDef *po;
109
110 /* parse options */
111 optindex = 1;
112 while (optindex < argc) {
113 opt = argv[optindex++];
115329f1 114
84bf226b
TL
115 if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
116 if (opt[1] == '-' && opt[2] == '\0') {
117 handleoptions = 0;
118 continue;
119 }
8bbf6db9
MN
120 po= find_option(options, opt + 1);
121 if (!po->name)
122 po= find_option(options, "default");
01310af2 123 if (!po->name) {
8bbf6db9 124unknown_opt:
01310af2
FB
125 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
126 exit(1);
127 }
128 arg = NULL;
129 if (po->flags & HAS_ARG) {
130 arg = argv[optindex++];
131 if (!arg) {
132 fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
133 exit(1);
134 }
135 }
136 if (po->flags & OPT_STRING) {
137 char *str;
02d504a7 138 str = av_strdup(arg);
01310af2
FB
139 *po->u.str_arg = str;
140 } else if (po->flags & OPT_BOOL) {
141 *po->u.int_arg = 1;
26d4f26b 142 } else if (po->flags & OPT_INT) {
7c84b8bc 143 *po->u.int_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT_MIN, INT_MAX);
ffdf9a1f 144 } else if (po->flags & OPT_INT64) {
7c84b8bc 145 *po->u.int64_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT64_MIN, INT64_MAX);
1f631450 146 } else if (po->flags & OPT_FLOAT) {
1f3d74d3 147 *po->u.float_arg = parse_number_or_die(opt+1, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);
8bbf6db9
MN
148 } else if (po->flags & OPT_FUNC2) {
149 if(po->u.func2_arg(opt+1, arg)<0)
150 goto unknown_opt;
01310af2 151 } else {
bb270c08 152 po->u.func_arg(arg);
01310af2 153 }
a0b3bcd9
MN
154 if(po->flags & OPT_EXIT)
155 exit(0);
01310af2 156 } else {
60a9966e
SS
157 if (parse_arg_function)
158 parse_arg_function(opt);
01310af2
FB
159 }
160 }
161}
162
163void print_error(const char *filename, int err)
164{
165 switch(err) {
166 case AVERROR_NUMEXPECTED:
167 fprintf(stderr, "%s: Incorrect image filename syntax.\n"
168 "Use '%%d' to specify the image number:\n"
169 " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
115329f1 170 " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
01310af2
FB
171 filename);
172 break;
173 case AVERROR_INVALIDDATA:
174 fprintf(stderr, "%s: Error while parsing header\n", filename);
175 break;
176 case AVERROR_NOFMT:
177 fprintf(stderr, "%s: Unknown format\n", filename);
178 break;
6f3e0b21 179 case AVERROR(EIO):
d9526386 180 fprintf(stderr, "%s: I/O error occurred\n"
bb270c08
DB
181 "Usually that means that input file is truncated and/or corrupted.\n",
182 filename);
45ce5ddb 183 break;
769e10f0 184 case AVERROR(ENOMEM):
d9526386 185 fprintf(stderr, "%s: memory allocation error occurred\n", filename);
45ce5ddb 186 break;
24fddf48 187 case AVERROR(ENOENT):
0ba0c8de
BF
188 fprintf(stderr, "%s: no such file or directory\n", filename);
189 break;
0b705fa4 190#ifdef CONFIG_NETWORK
18ec0460
LB
191 case AVERROR(FF_NETERROR(EPROTONOSUPPORT)):
192 fprintf(stderr, "%s: Unsupported network protocol\n", filename);
193 break;
0b705fa4 194#endif
01310af2
FB
195 default:
196 fprintf(stderr, "%s: Error while opening file\n", filename);
197 break;
198 }
199}
f35917b2 200
9a109272
SS
201#define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \
202 version= libname##_version(); \
203 fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", indent? " " : "", #libname, \
204 LIB##LIBNAME##_VERSION_MAJOR, LIB##LIBNAME##_VERSION_MINOR, LIB##LIBNAME##_VERSION_MICRO, \
205 version >> 16, version >> 8 & 0xff, version & 0xff);
206
207void print_all_lib_versions(FILE* outstream, int indent)
208{
209 unsigned int version;
e9df66a7
SS
210 PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent);
211 PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent);
9a109272
SS
212 PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent);
213 PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent);
214#if ENABLE_AVFILTER
215 PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
216#endif
db6d50c7 217#if ENABLE_SWSCALE
e9df66a7 218 PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
db6d50c7 219#endif
1981deaf
SS
220#if ENABLE_POSTPROC
221 PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
222#endif
9a109272
SS
223}
224
ea9c581f 225void show_banner(void)
86074ed1 226{
69c12fbb 227 fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-2008 Fabrice Bellard, et al.\n",
86074ed1
SS
228 program_name, program_birth_year);
229 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
9a109272 230 print_all_lib_versions(stderr, 1);
86074ed1
SS
231 fprintf(stderr, " built on " __DATE__ " " __TIME__);
232#ifdef __GNUC__
233 fprintf(stderr, ", gcc: " __VERSION__ "\n");
234#else
235 fprintf(stderr, ", using a non-gcc compiler\n");
236#endif
237}
238
64555bd9 239void show_version(void) {
86074ed1 240 printf("%s " FFMPEG_VERSION "\n", program_name);
9a109272 241 print_all_lib_versions(stdout, 0);
86074ed1
SS
242}
243
f35917b2
SS
244void show_license(void)
245{
7ead693b
DB
246#ifdef CONFIG_NONFREE
247 printf(
304ba23a
SS
248 "This version of %s has nonfree parts compiled in.\n"
249 "Therefore it is not legally redistributable.\n",
250 program_name
7ead693b
DB
251 );
252#elif CONFIG_GPL
f35917b2 253 printf(
304ba23a 254 "%s is free software; you can redistribute it and/or modify\n"
f35917b2
SS
255 "it under the terms of the GNU General Public License as published by\n"
256 "the Free Software Foundation; either version 2 of the License, or\n"
257 "(at your option) any later version.\n"
258 "\n"
304ba23a 259 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
260 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
261 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
262 "GNU General Public License for more details.\n"
263 "\n"
264 "You should have received a copy of the GNU General Public License\n"
304ba23a
SS
265 "along with %s; if not, write to the Free Software\n"
266 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
267 program_name, program_name, program_name
f35917b2
SS
268 );
269#else
270 printf(
304ba23a 271 "%s is free software; you can redistribute it and/or\n"
f35917b2
SS
272 "modify it under the terms of the GNU Lesser General Public\n"
273 "License as published by the Free Software Foundation; either\n"
274 "version 2.1 of the License, or (at your option) any later version.\n"
275 "\n"
304ba23a 276 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
277 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
278 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
279 "Lesser General Public License for more details.\n"
280 "\n"
281 "You should have received a copy of the GNU Lesser General Public\n"
304ba23a
SS
282 "License along with %s; if not, write to the Free Software\n"
283 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
284 program_name, program_name, program_name
f35917b2
SS
285 );
286#endif
287}
ba9880c1
SS
288
289void show_formats(void)
290{
291 AVInputFormat *ifmt=NULL;
292 AVOutputFormat *ofmt=NULL;
293 URLProtocol *up=NULL;
294 AVCodec *p=NULL, *p2;
295 AVBitStreamFilter *bsf=NULL;
296 const char *last_name;
297
298 printf("File formats:\n");
299 last_name= "000";
300 for(;;){
301 int decode=0;
302 int encode=0;
303 const char *name=NULL;
304 const char *long_name=NULL;
305
306 while((ofmt= av_oformat_next(ofmt))) {
307 if((name == NULL || strcmp(ofmt->name, name)<0) &&
308 strcmp(ofmt->name, last_name)>0){
309 name= ofmt->name;
310 long_name= ofmt->long_name;
311 encode=1;
312 }
313 }
314 while((ifmt= av_iformat_next(ifmt))) {
315 if((name == NULL || strcmp(ifmt->name, name)<0) &&
316 strcmp(ifmt->name, last_name)>0){
317 name= ifmt->name;
318 long_name= ifmt->long_name;
319 encode=0;
320 }
321 if(name && strcmp(ifmt->name, name)==0)
322 decode=1;
323 }
324 if(name==NULL)
325 break;
326 last_name= name;
327
328 printf(
329 " %s%s %-15s %s\n",
330 decode ? "D":" ",
331 encode ? "E":" ",
332 name,
333 long_name ? long_name:" ");
334 }
335 printf("\n");
336
337 printf("Codecs:\n");
338 last_name= "000";
339 for(;;){
340 int decode=0;
341 int encode=0;
342 int cap=0;
343 const char *type_str;
344
345 p2=NULL;
346 while((p= av_codec_next(p))) {
347 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
348 strcmp(p->name, last_name)>0){
349 p2= p;
350 decode= encode= cap=0;
351 }
352 if(p2 && strcmp(p->name, p2->name)==0){
353 if(p->decode) decode=1;
354 if(p->encode) encode=1;
355 cap |= p->capabilities;
356 }
357 }
358 if(p2==NULL)
359 break;
360 last_name= p2->name;
361
362 switch(p2->type) {
363 case CODEC_TYPE_VIDEO:
364 type_str = "V";
365 break;
366 case CODEC_TYPE_AUDIO:
367 type_str = "A";
368 break;
369 case CODEC_TYPE_SUBTITLE:
370 type_str = "S";
371 break;
372 default:
373 type_str = "?";
374 break;
375 }
376 printf(
377 " %s%s%s%s%s%s %-15s %s",
378 decode ? "D": (/*p2->decoder ? "d":*/" "),
379 encode ? "E":" ",
380 type_str,
381 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
382 cap & CODEC_CAP_DR1 ? "D":" ",
383 cap & CODEC_CAP_TRUNCATED ? "T":" ",
384 p2->name,
385 p2->long_name ? p2->long_name : "");
386 /* if(p2->decoder && decode==0)
387 printf(" use %s for decoding", p2->decoder->name);*/
388 printf("\n");
389 }
390 printf("\n");
391
392 printf("Bitstream filters:\n");
393 while((bsf = av_bitstream_filter_next(bsf)))
394 printf(" %s", bsf->name);
395 printf("\n");
396
397 printf("Supported file protocols:\n");
398 while((up = av_protocol_next(up)))
399 printf(" %s:", up->name);
400 printf("\n");
401
402 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
403 printf("\n");
404 printf(
405"Note, the names of encoders and decoders do not always match, so there are\n"
406"several cases where the above table shows encoder only or decoder only entries\n"
407"even though both encoding and decoding are supported. For example, the h263\n"
408"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
409"worse.\n");
410}