Map settings for 2-pass libvpx encoding.
[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 *
b78e7197
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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,
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"
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
MN
51const char **opt_names;
52static int opt_name_count;
72415b2a 53AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
85663ef3
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54AVFormatContext *avformat_opts;
55struct SwsContext *sws_opts;
086ab001 56
7a78bc85 57const int this_year = 2010;
ef4c0bb1 58
086ab001
MN
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)
01310af2
FB
88{
89 const OptionDef *po;
02d504a7 90 int first;
01310af2 91
02d504a7
FB
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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FB
106 }
107 }
108}
109
fccfc475 110static const OptionDef* find_option(const OptionDef *po, const char *name){
8bbf6db9
MN
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*))
01310af2
FB
121{
122 const char *opt, *arg;
b0d7bc1e 123 int optindex, handleoptions=1;
01310af2
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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
MN
146 if (!po->name)
147 po= find_option(options, "default");
01310af2 148 if (!po->name) {
8bbf6db9 149unknown_opt:
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FB
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);
01310af2
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);
01310af2
FB
186 }
187 }
188}
189
85663ef3
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190int opt_default(const char *opt, const char *arg){
191 int type;
5c3383e5 192 int ret= 0;
85663ef3
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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
MN
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);
85663ef3
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
85663ef3
MN
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
MN
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
01310af2
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
5116571d
MR
304#define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \
305 if (CONFIG_##LIBNAME) { \
695f7de6 306 unsigned int version = libname##_version(); \
5116571d
MR
307 fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", \
308 indent? " " : "", #libname, \
309 LIB##LIBNAME##_VERSION_MAJOR, \
310 LIB##LIBNAME##_VERSION_MINOR, \
311 LIB##LIBNAME##_VERSION_MICRO, \
312 version >> 16, version >> 8 & 0xff, version & 0xff); \
58fe804a 313 }
9a109272 314
88b77ef1 315static void print_all_lib_versions(FILE* outstream, int indent)
9a109272 316{
e9df66a7 317 PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent);
aac6ca69 318 PRINT_LIB_VERSION(outstream, avcore, AVCORE, indent);
e9df66a7 319 PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent);
9a109272
SS
320 PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent);
321 PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent);
9a109272 322 PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
e9df66a7 323 PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
1981deaf 324 PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
9a109272
SS
325}
326
9120e2cd
MR
327static void maybe_print_config(const char *lib, const char *cfg)
328{
329 static int warned_cfg;
330
331 if (strcmp(FFMPEG_CONFIGURATION, cfg)) {
332 if (!warned_cfg) {
333 fprintf(stderr, " WARNING: library configuration mismatch\n");
334 warned_cfg = 1;
335 }
336 fprintf(stderr, " %-11s configuration: %s\n", lib, cfg);
337 }
338}
339
58fe804a
MR
340#define PRINT_LIB_CONFIG(lib, tag, cfg) do { \
341 if (CONFIG_##lib) \
342 maybe_print_config(tag, cfg); \
343 } while (0)
344
ea9c581f 345void show_banner(void)
86074ed1 346{
13887093 347 fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d the FFmpeg developers\n",
ef4c0bb1 348 program_name, program_birth_year, this_year);
a3d7c197
DB
349 fprintf(stderr, " built on %s %s with %s %s\n",
350 __DATE__, __TIME__, CC_TYPE, CC_VERSION);
5c1f57ff 351 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
58fe804a 352 PRINT_LIB_CONFIG(AVUTIL, "libavutil", avutil_configuration());
aac6ca69 353 PRINT_LIB_CONFIG(AVCORE, "libavcore", avcore_configuration());
58fe804a
MR
354 PRINT_LIB_CONFIG(AVCODEC, "libavcodec", avcodec_configuration());
355 PRINT_LIB_CONFIG(AVFORMAT, "libavformat", avformat_configuration());
356 PRINT_LIB_CONFIG(AVDEVICE, "libavdevice", avdevice_configuration());
357 PRINT_LIB_CONFIG(AVFILTER, "libavfilter", avfilter_configuration());
358 PRINT_LIB_CONFIG(SWSCALE, "libswscale", swscale_configuration());
359 PRINT_LIB_CONFIG(POSTPROC, "libpostproc", postproc_configuration());
5c1f57ff 360 print_all_lib_versions(stderr, 1);
86074ed1
SS
361}
362
64555bd9 363void show_version(void) {
86074ed1 364 printf("%s " FFMPEG_VERSION "\n", program_name);
9a109272 365 print_all_lib_versions(stdout, 0);
86074ed1
SS
366}
367
f35917b2
SS
368void show_license(void)
369{
7ead693b 370 printf(
3bf28f9d 371#if CONFIG_NONFREE
304ba23a
SS
372 "This version of %s has nonfree parts compiled in.\n"
373 "Therefore it is not legally redistributable.\n",
374 program_name
9cad0e4e
DB
375#elif CONFIG_GPLV3
376 "%s is free software; you can redistribute it and/or modify\n"
377 "it under the terms of the GNU General Public License as published by\n"
378 "the Free Software Foundation; either version 3 of the License, or\n"
379 "(at your option) any later version.\n"
380 "\n"
381 "%s is distributed in the hope that it will be useful,\n"
382 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
383 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
384 "GNU General Public License for more details.\n"
385 "\n"
386 "You should have received a copy of the GNU General Public License\n"
387 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
388 program_name, program_name, program_name
7ead693b 389#elif CONFIG_GPL
304ba23a 390 "%s is free software; you can redistribute it and/or modify\n"
f35917b2
SS
391 "it under the terms of the GNU General Public License as published by\n"
392 "the Free Software Foundation; either version 2 of the License, or\n"
393 "(at your option) any later version.\n"
394 "\n"
304ba23a 395 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
396 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
397 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
398 "GNU General Public License for more details.\n"
399 "\n"
400 "You should have received a copy of the GNU General Public License\n"
304ba23a
SS
401 "along with %s; if not, write to the Free Software\n"
402 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
403 program_name, program_name, program_name
9cad0e4e
DB
404#elif CONFIG_LGPLV3
405 "%s is free software; you can redistribute it and/or modify\n"
406 "it under the terms of the GNU Lesser General Public License as published by\n"
407 "the Free Software Foundation; either version 3 of the License, or\n"
408 "(at your option) any later version.\n"
409 "\n"
410 "%s is distributed in the hope that it will be useful,\n"
411 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
412 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
413 "GNU Lesser General Public License for more details.\n"
414 "\n"
415 "You should have received a copy of the GNU Lesser General Public License\n"
416 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
417 program_name, program_name, program_name
f35917b2 418#else
304ba23a 419 "%s is free software; you can redistribute it and/or\n"
f35917b2
SS
420 "modify it under the terms of the GNU Lesser General Public\n"
421 "License as published by the Free Software Foundation; either\n"
422 "version 2.1 of the License, or (at your option) any later version.\n"
423 "\n"
304ba23a 424 "%s is distributed in the hope that it will be useful,\n"
f35917b2
SS
425 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
426 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
427 "Lesser General Public License for more details.\n"
428 "\n"
429 "You should have received a copy of the GNU Lesser General Public\n"
304ba23a
SS
430 "License along with %s; if not, write to the Free Software\n"
431 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
432 program_name, program_name, program_name
f35917b2 433#endif
3bf28f9d 434 );
f35917b2 435}
ba9880c1 436
c5dc6026
SS
437void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
438{
439 int i;
440 char fmt_str[128];
441 for (i=-1; i < nb_fmts; i++) {
442 get_fmt_string (fmt_str, sizeof(fmt_str), i);
443 fprintf(stdout, "%s\n", fmt_str);
444 }
445}
446
ba9880c1
SS
447void show_formats(void)
448{
449 AVInputFormat *ifmt=NULL;
450 AVOutputFormat *ofmt=NULL;
ba9880c1
SS
451 const char *last_name;
452
5a8597a0
WZ
453 printf(
454 "File formats:\n"
455 " D. = Demuxing supported\n"
456 " .E = Muxing supported\n"
457 " --\n");
ba9880c1
SS
458 last_name= "000";
459 for(;;){
460 int decode=0;
461 int encode=0;
462 const char *name=NULL;
463 const char *long_name=NULL;
464
465 while((ofmt= av_oformat_next(ofmt))) {
466 if((name == NULL || strcmp(ofmt->name, name)<0) &&
467 strcmp(ofmt->name, last_name)>0){
468 name= ofmt->name;
469 long_name= ofmt->long_name;
470 encode=1;
471 }
472 }
473 while((ifmt= av_iformat_next(ifmt))) {
474 if((name == NULL || strcmp(ifmt->name, name)<0) &&
475 strcmp(ifmt->name, last_name)>0){
476 name= ifmt->name;
477 long_name= ifmt->long_name;
478 encode=0;
479 }
480 if(name && strcmp(ifmt->name, name)==0)
481 decode=1;
482 }
483 if(name==NULL)
484 break;
485 last_name= name;
486
487 printf(
488 " %s%s %-15s %s\n",
489 decode ? "D":" ",
490 encode ? "E":" ",
491 name,
492 long_name ? long_name:" ");
493 }
8447f0bd 494}
ba9880c1 495
8447f0bd
MN
496void show_codecs(void)
497{
498 AVCodec *p=NULL, *p2;
499 const char *last_name;
5a8597a0
WZ
500 printf(
501 "Codecs:\n"
502 " D..... = Decoding supported\n"
503 " .E.... = Encoding supported\n"
504 " ..V... = Video codec\n"
505 " ..A... = Audio codec\n"
506 " ..S... = Subtitle codec\n"
507 " ...S.. = Supports draw_horiz_band\n"
508 " ....D. = Supports direct rendering method 1\n"
509 " .....T = Supports weird frame truncation\n"
510 " ------\n");
ba9880c1
SS
511 last_name= "000";
512 for(;;){
513 int decode=0;
514 int encode=0;
515 int cap=0;
516 const char *type_str;
517
518 p2=NULL;
519 while((p= av_codec_next(p))) {
520 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
521 strcmp(p->name, last_name)>0){
522 p2= p;
523 decode= encode= cap=0;
524 }
525 if(p2 && strcmp(p->name, p2->name)==0){
526 if(p->decode) decode=1;
527 if(p->encode) encode=1;
528 cap |= p->capabilities;
529 }
530 }
531 if(p2==NULL)
532 break;
533 last_name= p2->name;
534
535 switch(p2->type) {
72415b2a 536 case AVMEDIA_TYPE_VIDEO:
ba9880c1
SS
537 type_str = "V";
538 break;
72415b2a 539 case AVMEDIA_TYPE_AUDIO:
ba9880c1
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540 type_str = "A";
541 break;
72415b2a 542 case AVMEDIA_TYPE_SUBTITLE:
ba9880c1
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543 type_str = "S";
544 break;
545 default:
546 type_str = "?";
547 break;
548 }
549 printf(
550 " %s%s%s%s%s%s %-15s %s",
551 decode ? "D": (/*p2->decoder ? "d":*/" "),
552 encode ? "E":" ",
553 type_str,
554 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
555 cap & CODEC_CAP_DR1 ? "D":" ",
556 cap & CODEC_CAP_TRUNCATED ? "T":" ",
557 p2->name,
558 p2->long_name ? p2->long_name : "");
559 /* if(p2->decoder && decode==0)
560 printf(" use %s for decoding", p2->decoder->name);*/
561 printf("\n");
562 }
563 printf("\n");
8447f0bd
MN
564 printf(
565"Note, the names of encoders and decoders do not always match, so there are\n"
566"several cases where the above table shows encoder only or decoder only entries\n"
567"even though both encoding and decoding are supported. For example, the h263\n"
568"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
569"worse.\n");
570}
571
572void show_bsfs(void)
573{
574 AVBitStreamFilter *bsf=NULL;
ba9880c1
SS
575
576 printf("Bitstream filters:\n");
577 while((bsf = av_bitstream_filter_next(bsf)))
2091b27b 578 printf("%s\n", bsf->name);
ba9880c1 579 printf("\n");
8447f0bd
MN
580}
581
582void show_protocols(void)
583{
584 URLProtocol *up=NULL;
ba9880c1
SS
585
586 printf("Supported file protocols:\n");
587 while((up = av_protocol_next(up)))
2cb2d6f0 588 printf("%s\n", up->name);
ba9880c1 589}
090b61b2 590
62d75662
SS
591void show_filters(void)
592{
78638628 593 AVFilter av_unused(**filter) = NULL;
62d75662
SS
594
595 printf("Filters:\n");
663c2edf 596#if CONFIG_AVFILTER
62d75662
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597 while ((filter = av_filter_next(filter)) && *filter)
598 printf("%-16s %s\n", (*filter)->name, (*filter)->description);
663c2edf 599#endif
62d75662
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600}
601
3f7bb426
SS
602void show_pix_fmts(void)
603{
9cb5c760
SS
604 enum PixelFormat pix_fmt;
605
606 printf(
607 "Pixel formats:\n"
608 "I.... = Supported Input format for conversion\n"
609 ".O... = Supported Output format for conversion\n"
610 "..H.. = Hardware accelerated format\n"
611 "...P. = Paletted format\n"
612 "....B = Bitstream format\n"
613 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
614 "-----\n");
615
e24db3e3
MR
616#if !CONFIG_SWSCALE
617# define sws_isSupportedInput(x) 0
618# define sws_isSupportedOutput(x) 0
619#endif
620
9cb5c760
SS
621 for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) {
622 const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
623 printf("%c%c%c%c%c %-16s %d %2d\n",
624 sws_isSupportedInput (pix_fmt) ? 'I' : '.',
625 sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
626 pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.',
627 pix_desc->flags & PIX_FMT_PAL ? 'P' : '.',
628 pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
629 pix_desc->name,
630 pix_desc->nb_components,
631 av_get_bits_per_pixel(pix_desc));
632 }
3f7bb426
SS
633}
634
090b61b2
SS
635int read_yesno(void)
636{
637 int c = getchar();
638 int yesno = (toupper(c) == 'Y');
639
640 while (c != '\n' && c != EOF)
641 c = getchar();
642
643 return yesno;
644}
458b062d
SS
645
646int read_file(const char *filename, char **bufptr, size_t *size)
647{
c56e9e05 648 FILE *f = fopen(filename, "rb");
458b062d
SS
649
650 if (!f) {
651 fprintf(stderr, "Cannot read file '%s': %s\n", filename, strerror(errno));
652 return AVERROR(errno);
653 }
654 fseek(f, 0, SEEK_END);
655 *size = ftell(f);
656 fseek(f, 0, SEEK_SET);
657 *bufptr = av_malloc(*size + 1);
658 if (!*bufptr) {
659 fprintf(stderr, "Could not allocate file buffer\n");
660 fclose(f);
661 return AVERROR(ENOMEM);
662 }
663 fread(*bufptr, 1, *size, f);
664 (*bufptr)[*size++] = '\0';
665
666 fclose(f);
667 return 0;
668}