Extend show_protocols() to make it print information about input,
[libav.git] / cmdutils.c
CommitLineData
01310af2
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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
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,
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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"
25e25617 39#include "libavutil/eval.h"
85663ef3 40#include "libavcodec/opt.h"
aac6ca69 41#include "libavcore/avcore.h"
01310af2 42#include "cmdutils.h"
86074ed1 43#include "version.h"
da2dc39e 44#if CONFIG_NETWORK
245976da 45#include "libavformat/network.h"
da2dc39e 46#endif
ffcc6e24
MR
47#if HAVE_SYS_RESOURCE_H
48#include <sys/resource.h>
49#endif
01310af2 50
85663ef3
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51const char **opt_names;
52static int opt_name_count;
72415b2a 53AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
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54AVFormatContext *avformat_opts;
55struct SwsContext *sws_opts;
086ab001 56
7a78bc85 57const int this_year = 2010;
ef4c0bb1 58
086ab001
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59double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
60{
61 char *tail;
62 const char *error;
25e25617 63 double d = av_strtod(numstr, &tail);
086ab001
MN
64 if (*tail)
65 error= "Expected number for %s but found: %s\n";
66 else if (d < min || d > max)
67 error= "The value for %s was %s which is not within %f - %f\n";
68 else if(type == OPT_INT64 && (int64_t)d != d)
69 error= "Expected int64 for %s but found %s\n";
70 else
71 return d;
72 fprintf(stderr, error, context, numstr, min, max);
73 exit(1);
74}
75
7542157d
SS
76int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
77{
78 int64_t us = parse_date(timestr, is_duration);
79 if (us == INT64_MIN) {
80 fprintf(stderr, "Invalid %s specification for %s: %s\n",
81 is_duration ? "duration" : "date", context, timestr);
82 exit(1);
83 }
84 return us;
85}
86
02d504a7 87void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
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88{
89 const OptionDef *po;
02d504a7 90 int first;
01310af2 91
02d504a7
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92 first = 1;
93 for(po = options; po->name != NULL; po++) {
94 char buf[64];
95 if ((po->flags & mask) == value) {
96 if (first) {
97 printf("%s", msg);
98 first = 0;
99 }
f7d78f36 100 av_strlcpy(buf, po->name, sizeof(buf));
02d504a7 101 if (po->flags & HAS_ARG) {
f7d78f36
MR
102 av_strlcat(buf, " ", sizeof(buf));
103 av_strlcat(buf, po->argname, sizeof(buf));
01310af2 104 }
02d504a7 105 printf("-%-17s %s\n", buf, po->help);
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106 }
107 }
108}
109
fccfc475 110static const OptionDef* find_option(const OptionDef *po, const char *name){
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111 while (po->name != NULL) {
112 if (!strcmp(name, po->name))
113 break;
114 po++;
115 }
116 return po;
117}
118
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SS
119void parse_options(int argc, char **argv, const OptionDef *options,
120 void (* parse_arg_function)(const char*))
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121{
122 const char *opt, *arg;
b0d7bc1e 123 int optindex, handleoptions=1;
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124 const OptionDef *po;
125
126 /* parse options */
127 optindex = 1;
128 while (optindex < argc) {
129 opt = argv[optindex++];
115329f1 130
84bf226b 131 if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
b1d6e5e8 132 int bool_val = 1;
3749076c
SS
133 if (opt[1] == '-' && opt[2] == '\0') {
134 handleoptions = 0;
135 continue;
136 }
c3c78324
SS
137 opt++;
138 po= find_option(options, opt);
139 if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
b1d6e5e8 140 /* handle 'no' bool option */
c3c78324 141 po = find_option(options, opt + 2);
b1d6e5e8
BF
142 if (!(po->name && (po->flags & OPT_BOOL)))
143 goto unknown_opt;
144 bool_val = 0;
145 }
8bbf6db9
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146 if (!po->name)
147 po= find_option(options, "default");
01310af2 148 if (!po->name) {
8bbf6db9 149unknown_opt:
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150 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
151 exit(1);
152 }
153 arg = NULL;
154 if (po->flags & HAS_ARG) {
155 arg = argv[optindex++];
156 if (!arg) {
157 fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
158 exit(1);
159 }
160 }
161 if (po->flags & OPT_STRING) {
162 char *str;
02d504a7 163 str = av_strdup(arg);
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FB
164 *po->u.str_arg = str;
165 } else if (po->flags & OPT_BOOL) {
b1d6e5e8 166 *po->u.int_arg = bool_val;
26d4f26b 167 } else if (po->flags & OPT_INT) {
c3c78324 168 *po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
ffdf9a1f 169 } else if (po->flags & OPT_INT64) {
c3c78324 170 *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
1f631450 171 } else if (po->flags & OPT_FLOAT) {
c3c78324 172 *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);
8bbf6db9 173 } else if (po->flags & OPT_FUNC2) {
9e5381a2 174 if (po->u.func2_arg(opt, arg) < 0) {
330d86f5 175 fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt);
9e5381a2
SS
176 exit(1);
177 }
01310af2 178 } else {
bb270c08 179 po->u.func_arg(arg);
01310af2 180 }
a0b3bcd9
MN
181 if(po->flags & OPT_EXIT)
182 exit(0);
01310af2 183 } else {
60a9966e
SS
184 if (parse_arg_function)
185 parse_arg_function(opt);
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FB
186 }
187 }
188}
189
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190int opt_default(const char *opt, const char *arg){
191 int type;
5c3383e5 192 int ret= 0;
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193 const AVOption *o= NULL;
194 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
195
72415b2a 196 for(type=0; type<AVMEDIA_TYPE_NB && ret>= 0; type++){
636f1c4c 197 const AVOption *o2 = av_find_opt(avcodec_opts[0], opt, NULL, opt_types[type], opt_types[type]);
85663ef3 198 if(o2)
636f1c4c 199 ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o);
85663ef3
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200 }
201 if(!o)
5c3383e5 202 ret = av_set_string3(avformat_opts, opt, arg, 1, &o);
da033b05 203 if(!o && sws_opts)
5c3383e5 204 ret = av_set_string3(sws_opts, opt, arg, 1, &o);
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MN
205 if(!o){
206 if(opt[0] == 'a')
72415b2a 207 ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_AUDIO], opt+1, arg, 1, &o);
85663ef3 208 else if(opt[0] == 'v')
72415b2a 209 ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_VIDEO], opt+1, arg, 1, &o);
85663ef3 210 else if(opt[0] == 's')
72415b2a 211 ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], opt+1, arg, 1, &o);
5c3383e5
SS
212 }
213 if (o && ret < 0) {
214 fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt);
215 exit(1);
85663ef3 216 }
33bc7947
SS
217 if (!o) {
218 fprintf(stderr, "Unrecognized option '%s'\n", opt);
219 exit(1);
220 }
85663ef3 221
636f1c4c 222// 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 223
636f1c4c 224 //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
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225 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
226 opt_names[opt_name_count++]= o->name;
227
636f1c4c 228 if(avcodec_opts[0]->debug || avformat_opts->debug)
85663ef3
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229 av_log_set_level(AV_LOG_DEBUG);
230 return 0;
231}
232
4c97a6fa
SS
233int opt_loglevel(const char *opt, const char *arg)
234{
da4c2dab 235 const struct { const char *name; int level; } log_levels[] = {
4c97a6fa
SS
236 { "quiet" , AV_LOG_QUIET },
237 { "panic" , AV_LOG_PANIC },
238 { "fatal" , AV_LOG_FATAL },
239 { "error" , AV_LOG_ERROR },
240 { "warning", AV_LOG_WARNING },
241 { "info" , AV_LOG_INFO },
242 { "verbose", AV_LOG_VERBOSE },
243 { "debug" , AV_LOG_DEBUG },
244 };
245 char *tail;
246 int level;
247 int i;
248
249 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
250 if (!strcmp(log_levels[i].name, arg)) {
251 av_log_set_level(log_levels[i].level);
252 return 0;
253 }
254 }
255
256 level = strtol(arg, &tail, 10);
257 if (*tail) {
258 fprintf(stderr, "Invalid loglevel \"%s\". "
259 "Possible levels are numbers or:\n", arg);
260 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
261 fprintf(stderr, "\"%s\"\n", log_levels[i].name);
262 exit(1);
263 }
264 av_log_set_level(level);
265 return 0;
266}
267
ffcc6e24
MR
268int opt_timelimit(const char *opt, const char *arg)
269{
0104b608 270#if HAVE_SETRLIMIT
ffcc6e24
MR
271 int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
272 struct rlimit rl = { lim, lim + 1 };
273 if (setrlimit(RLIMIT_CPU, &rl))
274 perror("setrlimit");
275#else
276 fprintf(stderr, "Warning: -%s not implemented on this OS\n", opt);
277#endif
278 return 0;
279}
280
85663ef3
MN
281void set_context_opts(void *ctx, void *opts_ctx, int flags)
282{
283 int i;
284 for(i=0; i<opt_name_count; i++){
285 char buf[256];
286 const AVOption *opt;
287 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
288 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
289 if(str && ((opt->flags & flags) == flags))
f16dd7e6 290 av_set_string3(ctx, opt_names[i], str, 1, NULL);
85663ef3
MN
291 }
292}
293
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FB
294void print_error(const char *filename, int err)
295{
7a5bdd79 296 char errbuf[128];
735ef67b 297 const char *errbuf_ptr = errbuf;
7a5bdd79 298
9e94bd3e
SS
299 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
300 errbuf_ptr = strerror(AVUNERROR(err));
301 fprintf(stderr, "%s: %s\n", filename, errbuf_ptr);
01310af2 302}
f35917b2 303
d101e731
SS
304static int warned_cfg = 0;
305
208749a0
SS
306#define INDENT 1
307#define SHOW_VERSION 2
d101e731 308#define SHOW_CONFIG 4
208749a0 309
1044a92a 310#define PRINT_LIB_INFO(outstream,libname,LIBNAME,flags) \
5116571d 311 if (CONFIG_##LIBNAME) { \
65dd2ded 312 const char *indent = flags & INDENT? " " : ""; \
208749a0 313 if (flags & SHOW_VERSION) { \
b6525b4b
SS
314 unsigned int version = libname##_version(); \
315 fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", \
65dd2ded 316 indent, #libname, \
b6525b4b
SS
317 LIB##LIBNAME##_VERSION_MAJOR, \
318 LIB##LIBNAME##_VERSION_MINOR, \
319 LIB##LIBNAME##_VERSION_MICRO, \
320 version >> 16, version >> 8 & 0xff, version & 0xff); \
208749a0 321 } \
d101e731
SS
322 if (flags & SHOW_CONFIG) { \
323 const char *cfg = libname##_configuration(); \
324 if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \
325 if (!warned_cfg) { \
326 fprintf(outstream, \
327 "%sWARNING: library configuration mismatch\n", \
65dd2ded 328 indent); \
d101e731
SS
329 warned_cfg = 1; \
330 } \
331 fprintf(stderr, "%s%-11s configuration: %s\n", \
65dd2ded 332 indent, #libname, cfg); \
d101e731
SS
333 } \
334 } \
208749a0 335 } \
9a109272 336
1044a92a 337static void print_all_libs_info(FILE* outstream, int flags)
9a109272 338{
1044a92a
SS
339 PRINT_LIB_INFO(outstream, avutil, AVUTIL, flags);
340 PRINT_LIB_INFO(outstream, avcore, AVCORE, flags);
341 PRINT_LIB_INFO(outstream, avcodec, AVCODEC, flags);
342 PRINT_LIB_INFO(outstream, avformat, AVFORMAT, flags);
343 PRINT_LIB_INFO(outstream, avdevice, AVDEVICE, flags);
344 PRINT_LIB_INFO(outstream, avfilter, AVFILTER, flags);
345 PRINT_LIB_INFO(outstream, swscale, SWSCALE, flags);
346 PRINT_LIB_INFO(outstream, postproc, POSTPROC, flags);
9a109272
SS
347}
348
ea9c581f 349void show_banner(void)
86074ed1 350{
13887093 351 fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d the FFmpeg developers\n",
ef4c0bb1 352 program_name, program_birth_year, this_year);
a3d7c197
DB
353 fprintf(stderr, " built on %s %s with %s %s\n",
354 __DATE__, __TIME__, CC_TYPE, CC_VERSION);
5c1f57ff 355 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
d101e731 356 print_all_libs_info(stderr, INDENT|SHOW_CONFIG);
1044a92a 357 print_all_libs_info(stderr, INDENT|SHOW_VERSION);
86074ed1
SS
358}
359
64555bd9 360void show_version(void) {
86074ed1 361 printf("%s " FFMPEG_VERSION "\n", program_name);
1044a92a 362 print_all_libs_info(stdout, SHOW_VERSION);
86074ed1
SS
363}
364
f35917b2
SS
365void show_license(void)
366{
7ead693b 367 printf(
3bf28f9d 368#if CONFIG_NONFREE
304ba23a
SS
369 "This version of %s has nonfree parts compiled in.\n"
370 "Therefore it is not legally redistributable.\n",
371 program_name
9cad0e4e
DB
372#elif CONFIG_GPLV3
373 "%s is free software; you can redistribute it and/or modify\n"
374 "it under the terms of the GNU General Public License as published by\n"
375 "the Free Software Foundation; either version 3 of the License, or\n"
376 "(at your option) any later version.\n"
377 "\n"
378 "%s is distributed in the hope that it will be useful,\n"
379 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
380 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
381 "GNU General Public License for more details.\n"
382 "\n"
383 "You should have received a copy of the GNU General Public License\n"
384 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
385 program_name, program_name, program_name
7ead693b 386#elif CONFIG_GPL
304ba23a 387 "%s is free software; you can redistribute it and/or modify\n"
f35917b2
SS
388 "it under the terms of the GNU General Public License as published by\n"
389 "the Free Software Foundation; either version 2 of the License, or\n"
390 "(at your option) any later version.\n"
391 "\n"
304ba23a 392 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
393 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
394 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
395 "GNU General Public License for more details.\n"
396 "\n"
397 "You should have received a copy of the GNU General Public License\n"
304ba23a
SS
398 "along with %s; if not, write to the Free Software\n"
399 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
400 program_name, program_name, program_name
9cad0e4e
DB
401#elif CONFIG_LGPLV3
402 "%s is free software; you can redistribute it and/or modify\n"
403 "it under the terms of the GNU Lesser General Public License as published by\n"
404 "the Free Software Foundation; either version 3 of the License, or\n"
405 "(at your option) any later version.\n"
406 "\n"
407 "%s is distributed in the hope that it will be useful,\n"
408 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
409 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
410 "GNU Lesser General Public License for more details.\n"
411 "\n"
412 "You should have received a copy of the GNU Lesser General Public License\n"
413 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
414 program_name, program_name, program_name
f35917b2 415#else
304ba23a 416 "%s is free software; you can redistribute it and/or\n"
f35917b2
SS
417 "modify it under the terms of the GNU Lesser General Public\n"
418 "License as published by the Free Software Foundation; either\n"
419 "version 2.1 of the License, or (at your option) any later version.\n"
420 "\n"
304ba23a 421 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
422 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
423 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
424 "Lesser General Public License for more details.\n"
425 "\n"
426 "You should have received a copy of the GNU Lesser General Public\n"
304ba23a
SS
427 "License along with %s; if not, write to the Free Software\n"
428 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
429 program_name, program_name, program_name
f35917b2 430#endif
3bf28f9d 431 );
f35917b2 432}
ba9880c1 433
c5dc6026
SS
434void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
435{
436 int i;
437 char fmt_str[128];
438 for (i=-1; i < nb_fmts; i++) {
439 get_fmt_string (fmt_str, sizeof(fmt_str), i);
440 fprintf(stdout, "%s\n", fmt_str);
441 }
442}
443
ba9880c1
SS
444void show_formats(void)
445{
446 AVInputFormat *ifmt=NULL;
447 AVOutputFormat *ofmt=NULL;
ba9880c1
SS
448 const char *last_name;
449
5a8597a0
WZ
450 printf(
451 "File formats:\n"
452 " D. = Demuxing supported\n"
453 " .E = Muxing supported\n"
454 " --\n");
ba9880c1
SS
455 last_name= "000";
456 for(;;){
457 int decode=0;
458 int encode=0;
459 const char *name=NULL;
460 const char *long_name=NULL;
461
462 while((ofmt= av_oformat_next(ofmt))) {
463 if((name == NULL || strcmp(ofmt->name, name)<0) &&
464 strcmp(ofmt->name, last_name)>0){
465 name= ofmt->name;
466 long_name= ofmt->long_name;
467 encode=1;
468 }
469 }
470 while((ifmt= av_iformat_next(ifmt))) {
471 if((name == NULL || strcmp(ifmt->name, name)<0) &&
472 strcmp(ifmt->name, last_name)>0){
473 name= ifmt->name;
474 long_name= ifmt->long_name;
475 encode=0;
476 }
477 if(name && strcmp(ifmt->name, name)==0)
478 decode=1;
479 }
480 if(name==NULL)
481 break;
482 last_name= name;
483
484 printf(
485 " %s%s %-15s %s\n",
486 decode ? "D":" ",
487 encode ? "E":" ",
488 name,
489 long_name ? long_name:" ");
490 }
8447f0bd 491}
ba9880c1 492
8447f0bd
MN
493void show_codecs(void)
494{
495 AVCodec *p=NULL, *p2;
496 const char *last_name;
5a8597a0
WZ
497 printf(
498 "Codecs:\n"
499 " D..... = Decoding supported\n"
500 " .E.... = Encoding supported\n"
501 " ..V... = Video codec\n"
502 " ..A... = Audio codec\n"
503 " ..S... = Subtitle codec\n"
504 " ...S.. = Supports draw_horiz_band\n"
505 " ....D. = Supports direct rendering method 1\n"
506 " .....T = Supports weird frame truncation\n"
507 " ------\n");
ba9880c1
SS
508 last_name= "000";
509 for(;;){
510 int decode=0;
511 int encode=0;
512 int cap=0;
513 const char *type_str;
514
515 p2=NULL;
516 while((p= av_codec_next(p))) {
517 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
518 strcmp(p->name, last_name)>0){
519 p2= p;
520 decode= encode= cap=0;
521 }
522 if(p2 && strcmp(p->name, p2->name)==0){
523 if(p->decode) decode=1;
524 if(p->encode) encode=1;
525 cap |= p->capabilities;
526 }
527 }
528 if(p2==NULL)
529 break;
530 last_name= p2->name;
531
532 switch(p2->type) {
72415b2a 533 case AVMEDIA_TYPE_VIDEO:
ba9880c1
SS
534 type_str = "V";
535 break;
72415b2a 536 case AVMEDIA_TYPE_AUDIO:
ba9880c1
SS
537 type_str = "A";
538 break;
72415b2a 539 case AVMEDIA_TYPE_SUBTITLE:
ba9880c1
SS
540 type_str = "S";
541 break;
542 default:
543 type_str = "?";
544 break;
545 }
546 printf(
547 " %s%s%s%s%s%s %-15s %s",
548 decode ? "D": (/*p2->decoder ? "d":*/" "),
549 encode ? "E":" ",
550 type_str,
551 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
552 cap & CODEC_CAP_DR1 ? "D":" ",
553 cap & CODEC_CAP_TRUNCATED ? "T":" ",
554 p2->name,
555 p2->long_name ? p2->long_name : "");
556 /* if(p2->decoder && decode==0)
557 printf(" use %s for decoding", p2->decoder->name);*/
558 printf("\n");
559 }
560 printf("\n");
8447f0bd
MN
561 printf(
562"Note, the names of encoders and decoders do not always match, so there are\n"
563"several cases where the above table shows encoder only or decoder only entries\n"
564"even though both encoding and decoding are supported. For example, the h263\n"
565"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
566"worse.\n");
567}
568
569void show_bsfs(void)
570{
571 AVBitStreamFilter *bsf=NULL;
ba9880c1
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572
573 printf("Bitstream filters:\n");
574 while((bsf = av_bitstream_filter_next(bsf)))
2091b27b 575 printf("%s\n", bsf->name);
ba9880c1 576 printf("\n");
8447f0bd
MN
577}
578
579void show_protocols(void)
580{
581 URLProtocol *up=NULL;
ba9880c1 582
2ee5c789
SS
583 printf("Supported file protocols:\n"
584 "I.. = Input supported\n"
585 ".O. = Output supported\n"
586 "..S = Seek supported\n"
587 "FLAGS NAME\n"
588 "----- \n");
ba9880c1 589 while((up = av_protocol_next(up)))
2ee5c789
SS
590 printf("%c%c%c %s\n",
591 up->url_read ? 'I' : '.',
592 up->url_write ? 'O' : '.',
593 up->url_seek ? 'S' : '.',
594 up->name);
ba9880c1 595}
090b61b2 596
62d75662
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597void show_filters(void)
598{
78638628 599 AVFilter av_unused(**filter) = NULL;
62d75662
SS
600
601 printf("Filters:\n");
663c2edf 602#if CONFIG_AVFILTER
62d75662
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603 while ((filter = av_filter_next(filter)) && *filter)
604 printf("%-16s %s\n", (*filter)->name, (*filter)->description);
663c2edf 605#endif
62d75662
SS
606}
607
3f7bb426
SS
608void show_pix_fmts(void)
609{
9cb5c760
SS
610 enum PixelFormat pix_fmt;
611
612 printf(
613 "Pixel formats:\n"
614 "I.... = Supported Input format for conversion\n"
615 ".O... = Supported Output format for conversion\n"
616 "..H.. = Hardware accelerated format\n"
617 "...P. = Paletted format\n"
618 "....B = Bitstream format\n"
619 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
620 "-----\n");
621
e24db3e3
MR
622#if !CONFIG_SWSCALE
623# define sws_isSupportedInput(x) 0
624# define sws_isSupportedOutput(x) 0
625#endif
626
9cb5c760
SS
627 for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) {
628 const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
629 printf("%c%c%c%c%c %-16s %d %2d\n",
630 sws_isSupportedInput (pix_fmt) ? 'I' : '.',
631 sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
632 pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.',
633 pix_desc->flags & PIX_FMT_PAL ? 'P' : '.',
634 pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
635 pix_desc->name,
636 pix_desc->nb_components,
637 av_get_bits_per_pixel(pix_desc));
638 }
3f7bb426
SS
639}
640
090b61b2
SS
641int read_yesno(void)
642{
643 int c = getchar();
644 int yesno = (toupper(c) == 'Y');
645
646 while (c != '\n' && c != EOF)
647 c = getchar();
648
649 return yesno;
650}
458b062d
SS
651
652int read_file(const char *filename, char **bufptr, size_t *size)
653{
c56e9e05 654 FILE *f = fopen(filename, "rb");
458b062d
SS
655
656 if (!f) {
657 fprintf(stderr, "Cannot read file '%s': %s\n", filename, strerror(errno));
658 return AVERROR(errno);
659 }
660 fseek(f, 0, SEEK_END);
661 *size = ftell(f);
662 fseek(f, 0, SEEK_SET);
663 *bufptr = av_malloc(*size + 1);
664 if (!*bufptr) {
665 fprintf(stderr, "Could not allocate file buffer\n");
666 fclose(f);
667 return AVERROR(ENOMEM);
668 }
669 fread(*bufptr, 1, *size, f);
670 (*bufptr)[*size++] = '\0';
671
672 fclose(f);
673 return 0;
674}