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