Merge Vorbis / Theora depayloaders.
[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
2cd39dbf
DP
27/* Include only the enabled headers since some compilers (namely, Sun
28 Studio) will not omit unused inline functions and create undefined
29 references to libraries that are not being built. */
30
63d026b1 31#include "config.h"
245976da
DB
32#include "libavformat/avformat.h"
33#include "libavfilter/avfilter.h"
34#include "libavdevice/avdevice.h"
db6d50c7 35#include "libswscale/swscale.h"
1981deaf 36#include "libpostproc/postprocess.h"
245976da 37#include "libavutil/avstring.h"
9cb5c760 38#include "libavutil/pixdesc.h"
85663ef3 39#include "libavcodec/opt.h"
01310af2 40#include "cmdutils.h"
86074ed1 41#include "version.h"
da2dc39e 42#if CONFIG_NETWORK
245976da 43#include "libavformat/network.h"
da2dc39e 44#endif
ffcc6e24
MR
45#if HAVE_SYS_RESOURCE_H
46#include <sys/resource.h>
47#endif
01310af2 48
85663ef3
MN
49const char **opt_names;
50static int opt_name_count;
72415b2a 51AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
85663ef3
MN
52AVFormatContext *avformat_opts;
53struct SwsContext *sws_opts;
086ab001 54
7a78bc85 55const int this_year = 2010;
ef4c0bb1 56
086ab001
MN
57double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
58{
59 char *tail;
60 const char *error;
61 double d = strtod(numstr, &tail);
62 if (*tail)
63 error= "Expected number for %s but found: %s\n";
64 else if (d < min || d > max)
65 error= "The value for %s was %s which is not within %f - %f\n";
66 else if(type == OPT_INT64 && (int64_t)d != d)
67 error= "Expected int64 for %s but found %s\n";
68 else
69 return d;
70 fprintf(stderr, error, context, numstr, min, max);
71 exit(1);
72}
73
7542157d
SS
74int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
75{
76 int64_t us = parse_date(timestr, is_duration);
77 if (us == INT64_MIN) {
78 fprintf(stderr, "Invalid %s specification for %s: %s\n",
79 is_duration ? "duration" : "date", context, timestr);
80 exit(1);
81 }
82 return us;
83}
84
02d504a7 85void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
01310af2
FB
86{
87 const OptionDef *po;
02d504a7 88 int first;
01310af2 89
02d504a7
FB
90 first = 1;
91 for(po = options; po->name != NULL; po++) {
92 char buf[64];
93 if ((po->flags & mask) == value) {
94 if (first) {
95 printf("%s", msg);
96 first = 0;
97 }
f7d78f36 98 av_strlcpy(buf, po->name, sizeof(buf));
02d504a7 99 if (po->flags & HAS_ARG) {
f7d78f36
MR
100 av_strlcat(buf, " ", sizeof(buf));
101 av_strlcat(buf, po->argname, sizeof(buf));
01310af2 102 }
02d504a7 103 printf("-%-17s %s\n", buf, po->help);
01310af2
FB
104 }
105 }
106}
107
fccfc475 108static const OptionDef* find_option(const OptionDef *po, const char *name){
8bbf6db9
MN
109 while (po->name != NULL) {
110 if (!strcmp(name, po->name))
111 break;
112 po++;
113 }
114 return po;
115}
116
60a9966e
SS
117void parse_options(int argc, char **argv, const OptionDef *options,
118 void (* parse_arg_function)(const char*))
01310af2
FB
119{
120 const char *opt, *arg;
b0d7bc1e 121 int optindex, handleoptions=1;
01310af2
FB
122 const OptionDef *po;
123
124 /* parse options */
125 optindex = 1;
126 while (optindex < argc) {
127 opt = argv[optindex++];
115329f1 128
84bf226b 129 if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
b1d6e5e8 130 int bool_val = 1;
3749076c
SS
131 if (opt[1] == '-' && opt[2] == '\0') {
132 handleoptions = 0;
133 continue;
134 }
c3c78324
SS
135 opt++;
136 po= find_option(options, opt);
137 if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
b1d6e5e8 138 /* handle 'no' bool option */
c3c78324 139 po = find_option(options, opt + 2);
b1d6e5e8
BF
140 if (!(po->name && (po->flags & OPT_BOOL)))
141 goto unknown_opt;
142 bool_val = 0;
143 }
8bbf6db9
MN
144 if (!po->name)
145 po= find_option(options, "default");
01310af2 146 if (!po->name) {
8bbf6db9 147unknown_opt:
01310af2
FB
148 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
149 exit(1);
150 }
151 arg = NULL;
152 if (po->flags & HAS_ARG) {
153 arg = argv[optindex++];
154 if (!arg) {
155 fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
156 exit(1);
157 }
158 }
159 if (po->flags & OPT_STRING) {
160 char *str;
02d504a7 161 str = av_strdup(arg);
01310af2
FB
162 *po->u.str_arg = str;
163 } else if (po->flags & OPT_BOOL) {
b1d6e5e8 164 *po->u.int_arg = bool_val;
26d4f26b 165 } else if (po->flags & OPT_INT) {
c3c78324 166 *po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
ffdf9a1f 167 } else if (po->flags & OPT_INT64) {
c3c78324 168 *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
1f631450 169 } else if (po->flags & OPT_FLOAT) {
c3c78324 170 *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);
8bbf6db9 171 } else if (po->flags & OPT_FUNC2) {
9e5381a2 172 if (po->u.func2_arg(opt, arg) < 0) {
330d86f5 173 fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt);
9e5381a2
SS
174 exit(1);
175 }
01310af2 176 } else {
bb270c08 177 po->u.func_arg(arg);
01310af2 178 }
a0b3bcd9
MN
179 if(po->flags & OPT_EXIT)
180 exit(0);
01310af2 181 } else {
60a9966e
SS
182 if (parse_arg_function)
183 parse_arg_function(opt);
01310af2
FB
184 }
185 }
186}
187
85663ef3
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188int opt_default(const char *opt, const char *arg){
189 int type;
5c3383e5 190 int ret= 0;
85663ef3
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191 const AVOption *o= NULL;
192 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
193
72415b2a 194 for(type=0; type<AVMEDIA_TYPE_NB && ret>= 0; type++){
636f1c4c 195 const AVOption *o2 = av_find_opt(avcodec_opts[0], opt, NULL, opt_types[type], opt_types[type]);
85663ef3 196 if(o2)
636f1c4c 197 ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o);
85663ef3
MN
198 }
199 if(!o)
5c3383e5 200 ret = av_set_string3(avformat_opts, opt, arg, 1, &o);
da033b05 201 if(!o && sws_opts)
5c3383e5 202 ret = av_set_string3(sws_opts, opt, arg, 1, &o);
85663ef3
MN
203 if(!o){
204 if(opt[0] == 'a')
72415b2a 205 ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_AUDIO], opt+1, arg, 1, &o);
85663ef3 206 else if(opt[0] == 'v')
72415b2a 207 ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_VIDEO], opt+1, arg, 1, &o);
85663ef3 208 else if(opt[0] == 's')
72415b2a 209 ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], opt+1, arg, 1, &o);
5c3383e5
SS
210 }
211 if (o && ret < 0) {
212 fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt);
213 exit(1);
85663ef3 214 }
33bc7947
SS
215 if (!o) {
216 fprintf(stderr, "Unrecognized option '%s'\n", opt);
217 exit(1);
218 }
85663ef3 219
636f1c4c 220// av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avcodec_opts, opt, NULL), (int)av_get_int(avcodec_opts, opt, NULL));
85663ef3 221
636f1c4c 222 //FIXME we should always use avcodec_opts, ... for storing options so there will not be any need to keep track of what i set over this
85663ef3
MN
223 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
224 opt_names[opt_name_count++]= o->name;
225
636f1c4c 226 if(avcodec_opts[0]->debug || avformat_opts->debug)
85663ef3
MN
227 av_log_set_level(AV_LOG_DEBUG);
228 return 0;
229}
230
4c97a6fa
SS
231int opt_loglevel(const char *opt, const char *arg)
232{
da4c2dab 233 const struct { const char *name; int level; } log_levels[] = {
4c97a6fa
SS
234 { "quiet" , AV_LOG_QUIET },
235 { "panic" , AV_LOG_PANIC },
236 { "fatal" , AV_LOG_FATAL },
237 { "error" , AV_LOG_ERROR },
238 { "warning", AV_LOG_WARNING },
239 { "info" , AV_LOG_INFO },
240 { "verbose", AV_LOG_VERBOSE },
241 { "debug" , AV_LOG_DEBUG },
242 };
243 char *tail;
244 int level;
245 int i;
246
247 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
248 if (!strcmp(log_levels[i].name, arg)) {
249 av_log_set_level(log_levels[i].level);
250 return 0;
251 }
252 }
253
254 level = strtol(arg, &tail, 10);
255 if (*tail) {
256 fprintf(stderr, "Invalid loglevel \"%s\". "
257 "Possible levels are numbers or:\n", arg);
258 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
259 fprintf(stderr, "\"%s\"\n", log_levels[i].name);
260 exit(1);
261 }
262 av_log_set_level(level);
263 return 0;
264}
265
ffcc6e24
MR
266int opt_timelimit(const char *opt, const char *arg)
267{
0104b608 268#if HAVE_SETRLIMIT
ffcc6e24
MR
269 int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
270 struct rlimit rl = { lim, lim + 1 };
271 if (setrlimit(RLIMIT_CPU, &rl))
272 perror("setrlimit");
273#else
274 fprintf(stderr, "Warning: -%s not implemented on this OS\n", opt);
275#endif
276 return 0;
277}
278
85663ef3
MN
279void set_context_opts(void *ctx, void *opts_ctx, int flags)
280{
281 int i;
282 for(i=0; i<opt_name_count; i++){
283 char buf[256];
284 const AVOption *opt;
285 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
286 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
287 if(str && ((opt->flags & flags) == flags))
f16dd7e6 288 av_set_string3(ctx, opt_names[i], str, 1, NULL);
85663ef3
MN
289 }
290}
291
01310af2
FB
292void print_error(const char *filename, int err)
293{
7a5bdd79
SS
294 char errbuf[128];
295
01310af2 296 switch(err) {
b250f9c6 297#if CONFIG_NETWORK
18ec0460
LB
298 case AVERROR(FF_NETERROR(EPROTONOSUPPORT)):
299 fprintf(stderr, "%s: Unsupported network protocol\n", filename);
300 break;
0b705fa4 301#endif
01310af2 302 default:
7a5bdd79
SS
303 av_strerror(err, errbuf, sizeof(errbuf));
304 fprintf(stderr, "%s: %s\n", filename, errbuf);
01310af2
FB
305 }
306}
f35917b2 307
5116571d
MR
308#define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \
309 if (CONFIG_##LIBNAME) { \
695f7de6 310 unsigned int version = libname##_version(); \
5116571d
MR
311 fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", \
312 indent? " " : "", #libname, \
313 LIB##LIBNAME##_VERSION_MAJOR, \
314 LIB##LIBNAME##_VERSION_MINOR, \
315 LIB##LIBNAME##_VERSION_MICRO, \
316 version >> 16, version >> 8 & 0xff, version & 0xff); \
58fe804a 317 }
9a109272 318
88b77ef1 319static void print_all_lib_versions(FILE* outstream, int indent)
9a109272 320{
e9df66a7
SS
321 PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent);
322 PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent);
9a109272
SS
323 PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent);
324 PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent);
9a109272 325 PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
e9df66a7 326 PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
1981deaf 327 PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
9a109272
SS
328}
329
9120e2cd
MR
330static void maybe_print_config(const char *lib, const char *cfg)
331{
332 static int warned_cfg;
333
334 if (strcmp(FFMPEG_CONFIGURATION, cfg)) {
335 if (!warned_cfg) {
336 fprintf(stderr, " WARNING: library configuration mismatch\n");
337 warned_cfg = 1;
338 }
339 fprintf(stderr, " %-11s configuration: %s\n", lib, cfg);
340 }
341}
342
58fe804a
MR
343#define PRINT_LIB_CONFIG(lib, tag, cfg) do { \
344 if (CONFIG_##lib) \
345 maybe_print_config(tag, cfg); \
346 } while (0)
347
ea9c581f 348void show_banner(void)
86074ed1 349{
13887093 350 fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d the FFmpeg developers\n",
ef4c0bb1 351 program_name, program_birth_year, this_year);
a3d7c197
DB
352 fprintf(stderr, " built on %s %s with %s %s\n",
353 __DATE__, __TIME__, CC_TYPE, CC_VERSION);
5c1f57ff 354 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
58fe804a
MR
355 PRINT_LIB_CONFIG(AVUTIL, "libavutil", avutil_configuration());
356 PRINT_LIB_CONFIG(AVCODEC, "libavcodec", avcodec_configuration());
357 PRINT_LIB_CONFIG(AVFORMAT, "libavformat", avformat_configuration());
358 PRINT_LIB_CONFIG(AVDEVICE, "libavdevice", avdevice_configuration());
359 PRINT_LIB_CONFIG(AVFILTER, "libavfilter", avfilter_configuration());
360 PRINT_LIB_CONFIG(SWSCALE, "libswscale", swscale_configuration());
361 PRINT_LIB_CONFIG(POSTPROC, "libpostproc", postproc_configuration());
5c1f57ff 362 print_all_lib_versions(stderr, 1);
86074ed1
SS
363}
364
64555bd9 365void show_version(void) {
86074ed1 366 printf("%s " FFMPEG_VERSION "\n", program_name);
9a109272 367 print_all_lib_versions(stdout, 0);
86074ed1
SS
368}
369
f35917b2
SS
370void show_license(void)
371{
7ead693b 372 printf(
3bf28f9d 373#if CONFIG_NONFREE
304ba23a
SS
374 "This version of %s has nonfree parts compiled in.\n"
375 "Therefore it is not legally redistributable.\n",
376 program_name
9cad0e4e
DB
377#elif CONFIG_GPLV3
378 "%s is free software; you can redistribute it and/or modify\n"
379 "it under the terms of the GNU General Public License as published by\n"
380 "the Free Software Foundation; either version 3 of the License, or\n"
381 "(at your option) any later version.\n"
382 "\n"
383 "%s is distributed in the hope that it will be useful,\n"
384 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
385 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
386 "GNU General Public License for more details.\n"
387 "\n"
388 "You should have received a copy of the GNU General Public License\n"
389 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
390 program_name, program_name, program_name
7ead693b 391#elif CONFIG_GPL
304ba23a 392 "%s is free software; you can redistribute it and/or modify\n"
f35917b2
SS
393 "it under the terms of the GNU General Public License as published by\n"
394 "the Free Software Foundation; either version 2 of the License, or\n"
395 "(at your option) any later version.\n"
396 "\n"
304ba23a 397 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
398 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
399 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
400 "GNU General Public License for more details.\n"
401 "\n"
402 "You should have received a copy of the GNU General Public License\n"
304ba23a
SS
403 "along with %s; if not, write to the Free Software\n"
404 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
405 program_name, program_name, program_name
9cad0e4e
DB
406#elif CONFIG_LGPLV3
407 "%s is free software; you can redistribute it and/or modify\n"
408 "it under the terms of the GNU Lesser General Public License as published by\n"
409 "the Free Software Foundation; either version 3 of the License, or\n"
410 "(at your option) any later version.\n"
411 "\n"
412 "%s is distributed in the hope that it will be useful,\n"
413 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
414 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
415 "GNU Lesser General Public License for more details.\n"
416 "\n"
417 "You should have received a copy of the GNU Lesser General Public License\n"
418 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
419 program_name, program_name, program_name
f35917b2 420#else
304ba23a 421 "%s is free software; you can redistribute it and/or\n"
f35917b2
SS
422 "modify it under the terms of the GNU Lesser General Public\n"
423 "License as published by the Free Software Foundation; either\n"
424 "version 2.1 of the License, or (at your option) any later version.\n"
425 "\n"
304ba23a 426 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
427 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
428 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
429 "Lesser General Public License for more details.\n"
430 "\n"
431 "You should have received a copy of the GNU Lesser General Public\n"
304ba23a
SS
432 "License along with %s; if not, write to the Free Software\n"
433 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
434 program_name, program_name, program_name
f35917b2 435#endif
3bf28f9d 436 );
f35917b2 437}
ba9880c1 438
c5dc6026
SS
439void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
440{
441 int i;
442 char fmt_str[128];
443 for (i=-1; i < nb_fmts; i++) {
444 get_fmt_string (fmt_str, sizeof(fmt_str), i);
445 fprintf(stdout, "%s\n", fmt_str);
446 }
447}
448
ba9880c1
SS
449void show_formats(void)
450{
451 AVInputFormat *ifmt=NULL;
452 AVOutputFormat *ofmt=NULL;
ba9880c1
SS
453 const char *last_name;
454
5a8597a0
WZ
455 printf(
456 "File formats:\n"
457 " D. = Demuxing supported\n"
458 " .E = Muxing supported\n"
459 " --\n");
ba9880c1
SS
460 last_name= "000";
461 for(;;){
462 int decode=0;
463 int encode=0;
464 const char *name=NULL;
465 const char *long_name=NULL;
466
467 while((ofmt= av_oformat_next(ofmt))) {
468 if((name == NULL || strcmp(ofmt->name, name)<0) &&
469 strcmp(ofmt->name, last_name)>0){
470 name= ofmt->name;
471 long_name= ofmt->long_name;
472 encode=1;
473 }
474 }
475 while((ifmt= av_iformat_next(ifmt))) {
476 if((name == NULL || strcmp(ifmt->name, name)<0) &&
477 strcmp(ifmt->name, last_name)>0){
478 name= ifmt->name;
479 long_name= ifmt->long_name;
480 encode=0;
481 }
482 if(name && strcmp(ifmt->name, name)==0)
483 decode=1;
484 }
485 if(name==NULL)
486 break;
487 last_name= name;
488
489 printf(
490 " %s%s %-15s %s\n",
491 decode ? "D":" ",
492 encode ? "E":" ",
493 name,
494 long_name ? long_name:" ");
495 }
8447f0bd 496}
ba9880c1 497
8447f0bd
MN
498void show_codecs(void)
499{
500 AVCodec *p=NULL, *p2;
501 const char *last_name;
5a8597a0
WZ
502 printf(
503 "Codecs:\n"
504 " D..... = Decoding supported\n"
505 " .E.... = Encoding supported\n"
506 " ..V... = Video codec\n"
507 " ..A... = Audio codec\n"
508 " ..S... = Subtitle codec\n"
509 " ...S.. = Supports draw_horiz_band\n"
510 " ....D. = Supports direct rendering method 1\n"
511 " .....T = Supports weird frame truncation\n"
512 " ------\n");
ba9880c1
SS
513 last_name= "000";
514 for(;;){
515 int decode=0;
516 int encode=0;
517 int cap=0;
518 const char *type_str;
519
520 p2=NULL;
521 while((p= av_codec_next(p))) {
522 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
523 strcmp(p->name, last_name)>0){
524 p2= p;
525 decode= encode= cap=0;
526 }
527 if(p2 && strcmp(p->name, p2->name)==0){
528 if(p->decode) decode=1;
529 if(p->encode) encode=1;
530 cap |= p->capabilities;
531 }
532 }
533 if(p2==NULL)
534 break;
535 last_name= p2->name;
536
537 switch(p2->type) {
72415b2a 538 case AVMEDIA_TYPE_VIDEO:
ba9880c1
SS
539 type_str = "V";
540 break;
72415b2a 541 case AVMEDIA_TYPE_AUDIO:
ba9880c1
SS
542 type_str = "A";
543 break;
72415b2a 544 case AVMEDIA_TYPE_SUBTITLE:
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545 type_str = "S";
546 break;
547 default:
548 type_str = "?";
549 break;
550 }
551 printf(
552 " %s%s%s%s%s%s %-15s %s",
553 decode ? "D": (/*p2->decoder ? "d":*/" "),
554 encode ? "E":" ",
555 type_str,
556 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
557 cap & CODEC_CAP_DR1 ? "D":" ",
558 cap & CODEC_CAP_TRUNCATED ? "T":" ",
559 p2->name,
560 p2->long_name ? p2->long_name : "");
561 /* if(p2->decoder && decode==0)
562 printf(" use %s for decoding", p2->decoder->name);*/
563 printf("\n");
564 }
565 printf("\n");
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566 printf(
567"Note, the names of encoders and decoders do not always match, so there are\n"
568"several cases where the above table shows encoder only or decoder only entries\n"
569"even though both encoding and decoding are supported. For example, the h263\n"
570"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
571"worse.\n");
572}
573
574void show_bsfs(void)
575{
576 AVBitStreamFilter *bsf=NULL;
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577
578 printf("Bitstream filters:\n");
579 while((bsf = av_bitstream_filter_next(bsf)))
2091b27b 580 printf("%s\n", bsf->name);
ba9880c1 581 printf("\n");
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582}
583
584void show_protocols(void)
585{
586 URLProtocol *up=NULL;
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587
588 printf("Supported file protocols:\n");
589 while((up = av_protocol_next(up)))
2cb2d6f0 590 printf("%s\n", up->name);
ba9880c1 591}
090b61b2 592
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593void show_filters(void)
594{
78638628 595 AVFilter av_unused(**filter) = NULL;
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596
597 printf("Filters:\n");
663c2edf 598#if CONFIG_AVFILTER
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599 while ((filter = av_filter_next(filter)) && *filter)
600 printf("%-16s %s\n", (*filter)->name, (*filter)->description);
663c2edf 601#endif
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602}
603
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604void show_pix_fmts(void)
605{
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606 enum PixelFormat pix_fmt;
607
608 printf(
609 "Pixel formats:\n"
610 "I.... = Supported Input format for conversion\n"
611 ".O... = Supported Output format for conversion\n"
612 "..H.. = Hardware accelerated format\n"
613 "...P. = Paletted format\n"
614 "....B = Bitstream format\n"
615 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
616 "-----\n");
617
618 for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) {
619 const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
620 printf("%c%c%c%c%c %-16s %d %2d\n",
621 sws_isSupportedInput (pix_fmt) ? 'I' : '.',
622 sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
623 pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.',
624 pix_desc->flags & PIX_FMT_PAL ? 'P' : '.',
625 pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
626 pix_desc->name,
627 pix_desc->nb_components,
628 av_get_bits_per_pixel(pix_desc));
629 }
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630}
631
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632int read_yesno(void)
633{
634 int c = getchar();
635 int yesno = (toupper(c) == 'Y');
636
637 while (c != '\n' && c != EOF)
638 c = getchar();
639
640 return yesno;
641}