mlpdec: Check for bits left before each read of End-of-Stream indicator and
[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"
31#include "libavutil/avstring.h"
01310af2 32#include "cmdutils.h"
86074ed1 33#include "version.h"
0b705fa4 34#ifdef CONFIG_NETWORK
245976da 35#include "libavformat/network.h"
0b705fa4 36#endif
01310af2 37
c367d067
MN
38#undef exit
39
086ab001
MN
40
41double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
42{
43 char *tail;
44 const char *error;
45 double d = strtod(numstr, &tail);
46 if (*tail)
47 error= "Expected number for %s but found: %s\n";
48 else if (d < min || d > max)
49 error= "The value for %s was %s which is not within %f - %f\n";
50 else if(type == OPT_INT64 && (int64_t)d != d)
51 error= "Expected int64 for %s but found %s\n";
52 else
53 return d;
54 fprintf(stderr, error, context, numstr, min, max);
55 exit(1);
56}
57
7542157d
SS
58int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
59{
60 int64_t us = parse_date(timestr, is_duration);
61 if (us == INT64_MIN) {
62 fprintf(stderr, "Invalid %s specification for %s: %s\n",
63 is_duration ? "duration" : "date", context, timestr);
64 exit(1);
65 }
66 return us;
67}
68
02d504a7 69void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
01310af2
FB
70{
71 const OptionDef *po;
02d504a7 72 int first;
01310af2 73
02d504a7
FB
74 first = 1;
75 for(po = options; po->name != NULL; po++) {
76 char buf[64];
77 if ((po->flags & mask) == value) {
78 if (first) {
79 printf("%s", msg);
80 first = 0;
81 }
f7d78f36 82 av_strlcpy(buf, po->name, sizeof(buf));
02d504a7 83 if (po->flags & HAS_ARG) {
f7d78f36
MR
84 av_strlcat(buf, " ", sizeof(buf));
85 av_strlcat(buf, po->argname, sizeof(buf));
01310af2 86 }
02d504a7 87 printf("-%-17s %s\n", buf, po->help);
01310af2
FB
88 }
89 }
90}
91
fccfc475 92static const OptionDef* find_option(const OptionDef *po, const char *name){
8bbf6db9
MN
93 while (po->name != NULL) {
94 if (!strcmp(name, po->name))
95 break;
96 po++;
97 }
98 return po;
99}
100
60a9966e
SS
101void parse_options(int argc, char **argv, const OptionDef *options,
102 void (* parse_arg_function)(const char*))
01310af2
FB
103{
104 const char *opt, *arg;
b0d7bc1e 105 int optindex, handleoptions=1;
01310af2
FB
106 const OptionDef *po;
107
108 /* parse options */
109 optindex = 1;
110 while (optindex < argc) {
111 opt = argv[optindex++];
115329f1 112
84bf226b
TL
113 if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
114 if (opt[1] == '-' && opt[2] == '\0') {
115 handleoptions = 0;
116 continue;
117 }
8bbf6db9
MN
118 po= find_option(options, opt + 1);
119 if (!po->name)
120 po= find_option(options, "default");
01310af2 121 if (!po->name) {
8bbf6db9 122unknown_opt:
01310af2
FB
123 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
124 exit(1);
125 }
126 arg = NULL;
127 if (po->flags & HAS_ARG) {
128 arg = argv[optindex++];
129 if (!arg) {
130 fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
131 exit(1);
132 }
133 }
134 if (po->flags & OPT_STRING) {
135 char *str;
02d504a7 136 str = av_strdup(arg);
01310af2
FB
137 *po->u.str_arg = str;
138 } else if (po->flags & OPT_BOOL) {
139 *po->u.int_arg = 1;
26d4f26b 140 } else if (po->flags & OPT_INT) {
7c84b8bc 141 *po->u.int_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT_MIN, INT_MAX);
ffdf9a1f 142 } else if (po->flags & OPT_INT64) {
7c84b8bc 143 *po->u.int64_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT64_MIN, INT64_MAX);
1f631450 144 } else if (po->flags & OPT_FLOAT) {
1f3d74d3 145 *po->u.float_arg = parse_number_or_die(opt+1, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);
8bbf6db9
MN
146 } else if (po->flags & OPT_FUNC2) {
147 if(po->u.func2_arg(opt+1, arg)<0)
148 goto unknown_opt;
01310af2 149 } else {
bb270c08 150 po->u.func_arg(arg);
01310af2 151 }
a0b3bcd9
MN
152 if(po->flags & OPT_EXIT)
153 exit(0);
01310af2 154 } else {
60a9966e
SS
155 if (parse_arg_function)
156 parse_arg_function(opt);
01310af2
FB
157 }
158 }
159}
160
161void print_error(const char *filename, int err)
162{
163 switch(err) {
164 case AVERROR_NUMEXPECTED:
165 fprintf(stderr, "%s: Incorrect image filename syntax.\n"
166 "Use '%%d' to specify the image number:\n"
167 " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
115329f1 168 " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
01310af2
FB
169 filename);
170 break;
171 case AVERROR_INVALIDDATA:
172 fprintf(stderr, "%s: Error while parsing header\n", filename);
173 break;
174 case AVERROR_NOFMT:
175 fprintf(stderr, "%s: Unknown format\n", filename);
176 break;
6f3e0b21 177 case AVERROR(EIO):
d9526386 178 fprintf(stderr, "%s: I/O error occurred\n"
bb270c08
DB
179 "Usually that means that input file is truncated and/or corrupted.\n",
180 filename);
45ce5ddb 181 break;
769e10f0 182 case AVERROR(ENOMEM):
d9526386 183 fprintf(stderr, "%s: memory allocation error occurred\n", filename);
45ce5ddb 184 break;
24fddf48 185 case AVERROR(ENOENT):
0ba0c8de
BF
186 fprintf(stderr, "%s: no such file or directory\n", filename);
187 break;
0b705fa4 188#ifdef CONFIG_NETWORK
18ec0460
LB
189 case AVERROR(FF_NETERROR(EPROTONOSUPPORT)):
190 fprintf(stderr, "%s: Unsupported network protocol\n", filename);
191 break;
0b705fa4 192#endif
01310af2
FB
193 default:
194 fprintf(stderr, "%s: Error while opening file\n", filename);
195 break;
196 }
197}
f35917b2 198
ea9c581f 199void show_banner(void)
86074ed1 200{
69c12fbb 201 fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-2008 Fabrice Bellard, et al.\n",
86074ed1
SS
202 program_name, program_birth_year);
203 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
204 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
205 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
206 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
2208741a 207 fprintf(stderr, " libavdevice version: " AV_STRINGIFY(LIBAVDEVICE_VERSION) "\n");
ab4b28f0
VS
208#if ENABLE_AVFILTER
209 fprintf(stderr, " libavfilter version: " AV_STRINGIFY(LIBAVFILTER_VERSION) "\n");
210#endif
86074ed1
SS
211 fprintf(stderr, " built on " __DATE__ " " __TIME__);
212#ifdef __GNUC__
213 fprintf(stderr, ", gcc: " __VERSION__ "\n");
214#else
215 fprintf(stderr, ", using a non-gcc compiler\n");
216#endif
217}
218
64555bd9 219void show_version(void) {
2208741a 220 /* TODO: add function interface to avutil and avformat avdevice*/
86074ed1
SS
221 printf("%s " FFMPEG_VERSION "\n", program_name);
222 printf("libavutil %d\n"
223 "libavcodec %d\n"
2208741a
MN
224 "libavformat %d\n"
225 "libavdevice %d\n",
226 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD, LIBAVDEVICE_BUILD);
86074ed1
SS
227}
228
f35917b2
SS
229void show_license(void)
230{
7ead693b
DB
231#ifdef CONFIG_NONFREE
232 printf(
304ba23a
SS
233 "This version of %s has nonfree parts compiled in.\n"
234 "Therefore it is not legally redistributable.\n",
235 program_name
7ead693b
DB
236 );
237#elif CONFIG_GPL
f35917b2 238 printf(
304ba23a 239 "%s is free software; you can redistribute it and/or modify\n"
f35917b2
SS
240 "it under the terms of the GNU General Public License as published by\n"
241 "the Free Software Foundation; either version 2 of the License, or\n"
242 "(at your option) any later version.\n"
243 "\n"
304ba23a 244 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
245 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
246 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
247 "GNU General Public License for more details.\n"
248 "\n"
249 "You should have received a copy of the GNU General Public License\n"
304ba23a
SS
250 "along with %s; if not, write to the Free Software\n"
251 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
252 program_name, program_name, program_name
f35917b2
SS
253 );
254#else
255 printf(
304ba23a 256 "%s is free software; you can redistribute it and/or\n"
f35917b2
SS
257 "modify it under the terms of the GNU Lesser General Public\n"
258 "License as published by the Free Software Foundation; either\n"
259 "version 2.1 of the License, or (at your option) any later version.\n"
260 "\n"
304ba23a 261 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
262 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
263 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
264 "Lesser General Public License for more details.\n"
265 "\n"
266 "You should have received a copy of the GNU Lesser General Public\n"
304ba23a
SS
267 "License along with %s; if not, write to the Free Software\n"
268 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
269 program_name, program_name, program_name
f35917b2
SS
270 );
271#endif
272}
ba9880c1
SS
273
274void show_formats(void)
275{
276 AVInputFormat *ifmt=NULL;
277 AVOutputFormat *ofmt=NULL;
278 URLProtocol *up=NULL;
279 AVCodec *p=NULL, *p2;
280 AVBitStreamFilter *bsf=NULL;
281 const char *last_name;
282
283 printf("File formats:\n");
284 last_name= "000";
285 for(;;){
286 int decode=0;
287 int encode=0;
288 const char *name=NULL;
289 const char *long_name=NULL;
290
291 while((ofmt= av_oformat_next(ofmt))) {
292 if((name == NULL || strcmp(ofmt->name, name)<0) &&
293 strcmp(ofmt->name, last_name)>0){
294 name= ofmt->name;
295 long_name= ofmt->long_name;
296 encode=1;
297 }
298 }
299 while((ifmt= av_iformat_next(ifmt))) {
300 if((name == NULL || strcmp(ifmt->name, name)<0) &&
301 strcmp(ifmt->name, last_name)>0){
302 name= ifmt->name;
303 long_name= ifmt->long_name;
304 encode=0;
305 }
306 if(name && strcmp(ifmt->name, name)==0)
307 decode=1;
308 }
309 if(name==NULL)
310 break;
311 last_name= name;
312
313 printf(
314 " %s%s %-15s %s\n",
315 decode ? "D":" ",
316 encode ? "E":" ",
317 name,
318 long_name ? long_name:" ");
319 }
320 printf("\n");
321
322 printf("Codecs:\n");
323 last_name= "000";
324 for(;;){
325 int decode=0;
326 int encode=0;
327 int cap=0;
328 const char *type_str;
329
330 p2=NULL;
331 while((p= av_codec_next(p))) {
332 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
333 strcmp(p->name, last_name)>0){
334 p2= p;
335 decode= encode= cap=0;
336 }
337 if(p2 && strcmp(p->name, p2->name)==0){
338 if(p->decode) decode=1;
339 if(p->encode) encode=1;
340 cap |= p->capabilities;
341 }
342 }
343 if(p2==NULL)
344 break;
345 last_name= p2->name;
346
347 switch(p2->type) {
348 case CODEC_TYPE_VIDEO:
349 type_str = "V";
350 break;
351 case CODEC_TYPE_AUDIO:
352 type_str = "A";
353 break;
354 case CODEC_TYPE_SUBTITLE:
355 type_str = "S";
356 break;
357 default:
358 type_str = "?";
359 break;
360 }
361 printf(
362 " %s%s%s%s%s%s %-15s %s",
363 decode ? "D": (/*p2->decoder ? "d":*/" "),
364 encode ? "E":" ",
365 type_str,
366 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
367 cap & CODEC_CAP_DR1 ? "D":" ",
368 cap & CODEC_CAP_TRUNCATED ? "T":" ",
369 p2->name,
370 p2->long_name ? p2->long_name : "");
371 /* if(p2->decoder && decode==0)
372 printf(" use %s for decoding", p2->decoder->name);*/
373 printf("\n");
374 }
375 printf("\n");
376
377 printf("Bitstream filters:\n");
378 while((bsf = av_bitstream_filter_next(bsf)))
379 printf(" %s", bsf->name);
380 printf("\n");
381
382 printf("Supported file protocols:\n");
383 while((up = av_protocol_next(up)))
384 printf(" %s:", up->name);
385 printf("\n");
386
387 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
388 printf("\n");
389 printf(
390"Note, the names of encoders and decoders do not always match, so there are\n"
391"several cases where the above table shows encoder only or decoder only entries\n"
392"even though both encoding and decoding are supported. For example, the h263\n"
393"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
394"worse.\n");
395}