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1 | /* |
2 | * Various utilities for command line tools | |
3 | * Copyright (c) 2000-2003 Fabrice Bellard | |
4 | * | |
5 | * This file is part of FFmpeg. | |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * FFmpeg is distributed in the hope that it will be useful, | |
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 | |
18 | * License along with FFmpeg; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
21 | ||
22 | #include <string.h> | |
23 | #include <stdint.h> | |
24 | #include <stdlib.h> | |
25 | #include <errno.h> | |
26 | #include <math.h> | |
27 | ||
28 | /* Include only the enabled headers since some compilers (namely, Sun | |
29 | Studio) will not omit unused inline functions and create undefined | |
30 | references to libraries that are not being built. */ | |
31 | ||
32 | #include "config.h" | |
33 | #include "compat/va_copy.h" | |
34 | #include "libavformat/avformat.h" | |
35 | #include "libavfilter/avfilter.h" | |
36 | #include "libavdevice/avdevice.h" | |
37 | #include "libavresample/avresample.h" | |
38 | #include "libswscale/swscale.h" | |
39 | #include "libswresample/swresample.h" | |
40 | #include "libpostproc/postprocess.h" | |
41 | #include "libavutil/avassert.h" | |
42 | #include "libavutil/avstring.h" | |
43 | #include "libavutil/bprint.h" | |
44 | #include "libavutil/mathematics.h" | |
45 | #include "libavutil/imgutils.h" | |
46 | #include "libavutil/parseutils.h" | |
47 | #include "libavutil/pixdesc.h" | |
48 | #include "libavutil/eval.h" | |
49 | #include "libavutil/dict.h" | |
50 | #include "libavutil/opt.h" | |
51 | #include "libavutil/cpu.h" | |
52 | #include "libavutil/ffversion.h" | |
53 | #include "cmdutils.h" | |
54 | #if CONFIG_NETWORK | |
55 | #include "libavformat/network.h" | |
56 | #endif | |
57 | #if HAVE_SYS_RESOURCE_H | |
58 | #include <sys/time.h> | |
59 | #include <sys/resource.h> | |
60 | #endif | |
61 | ||
62 | static int init_report(const char *env); | |
63 | ||
64 | struct SwsContext *sws_opts; | |
65 | AVDictionary *swr_opts; | |
66 | AVDictionary *format_opts, *codec_opts, *resample_opts; | |
67 | ||
68 | static FILE *report_file; | |
69 | static int report_file_level = AV_LOG_DEBUG; | |
70 | int hide_banner = 0; | |
71 | ||
72 | void init_opts(void) | |
73 | { | |
74 | ||
75 | if(CONFIG_SWSCALE) | |
76 | sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC, | |
77 | NULL, NULL, NULL); | |
78 | } | |
79 | ||
80 | void uninit_opts(void) | |
81 | { | |
82 | #if CONFIG_SWSCALE | |
83 | sws_freeContext(sws_opts); | |
84 | sws_opts = NULL; | |
85 | #endif | |
86 | ||
87 | av_dict_free(&swr_opts); | |
88 | av_dict_free(&format_opts); | |
89 | av_dict_free(&codec_opts); | |
90 | av_dict_free(&resample_opts); | |
91 | } | |
92 | ||
93 | void log_callback_help(void *ptr, int level, const char *fmt, va_list vl) | |
94 | { | |
95 | vfprintf(stdout, fmt, vl); | |
96 | } | |
97 | ||
98 | static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl) | |
99 | { | |
100 | va_list vl2; | |
101 | char line[1024]; | |
102 | static int print_prefix = 1; | |
103 | ||
104 | va_copy(vl2, vl); | |
105 | av_log_default_callback(ptr, level, fmt, vl); | |
106 | av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix); | |
107 | va_end(vl2); | |
108 | if (report_file_level >= level) { | |
109 | fputs(line, report_file); | |
110 | fflush(report_file); | |
111 | } | |
112 | } | |
113 | ||
114 | static void (*program_exit)(int ret); | |
115 | ||
116 | void register_exit(void (*cb)(int ret)) | |
117 | { | |
118 | program_exit = cb; | |
119 | } | |
120 | ||
121 | void exit_program(int ret) | |
122 | { | |
123 | if (program_exit) | |
124 | program_exit(ret); | |
125 | ||
126 | exit(ret); | |
127 | } | |
128 | ||
129 | double parse_number_or_die(const char *context, const char *numstr, int type, | |
130 | double min, double max) | |
131 | { | |
132 | char *tail; | |
133 | const char *error; | |
134 | double d = av_strtod(numstr, &tail); | |
135 | if (*tail) | |
136 | error = "Expected number for %s but found: %s\n"; | |
137 | else if (d < min || d > max) | |
138 | error = "The value for %s was %s which is not within %f - %f\n"; | |
139 | else if (type == OPT_INT64 && (int64_t)d != d) | |
140 | error = "Expected int64 for %s but found %s\n"; | |
141 | else if (type == OPT_INT && (int)d != d) | |
142 | error = "Expected int for %s but found %s\n"; | |
143 | else | |
144 | return d; | |
145 | av_log(NULL, AV_LOG_FATAL, error, context, numstr, min, max); | |
146 | exit_program(1); | |
147 | return 0; | |
148 | } | |
149 | ||
150 | int64_t parse_time_or_die(const char *context, const char *timestr, | |
151 | int is_duration) | |
152 | { | |
153 | int64_t us; | |
154 | if (av_parse_time(&us, timestr, is_duration) < 0) { | |
155 | av_log(NULL, AV_LOG_FATAL, "Invalid %s specification for %s: %s\n", | |
156 | is_duration ? "duration" : "date", context, timestr); | |
157 | exit_program(1); | |
158 | } | |
159 | return us; | |
160 | } | |
161 | ||
162 | void show_help_options(const OptionDef *options, const char *msg, int req_flags, | |
163 | int rej_flags, int alt_flags) | |
164 | { | |
165 | const OptionDef *po; | |
166 | int first; | |
167 | ||
168 | first = 1; | |
169 | for (po = options; po->name; po++) { | |
170 | char buf[64]; | |
171 | ||
172 | if (((po->flags & req_flags) != req_flags) || | |
173 | (alt_flags && !(po->flags & alt_flags)) || | |
174 | (po->flags & rej_flags)) | |
175 | continue; | |
176 | ||
177 | if (first) { | |
178 | printf("%s\n", msg); | |
179 | first = 0; | |
180 | } | |
181 | av_strlcpy(buf, po->name, sizeof(buf)); | |
182 | if (po->argname) { | |
183 | av_strlcat(buf, " ", sizeof(buf)); | |
184 | av_strlcat(buf, po->argname, sizeof(buf)); | |
185 | } | |
186 | printf("-%-17s %s\n", buf, po->help); | |
187 | } | |
188 | printf("\n"); | |
189 | } | |
190 | ||
191 | void show_help_children(const AVClass *class, int flags) | |
192 | { | |
193 | const AVClass *child = NULL; | |
194 | if (class->option) { | |
195 | av_opt_show2(&class, NULL, flags, 0); | |
196 | printf("\n"); | |
197 | } | |
198 | ||
199 | while (child = av_opt_child_class_next(class, child)) | |
200 | show_help_children(child, flags); | |
201 | } | |
202 | ||
203 | static const OptionDef *find_option(const OptionDef *po, const char *name) | |
204 | { | |
205 | const char *p = strchr(name, ':'); | |
206 | int len = p ? p - name : strlen(name); | |
207 | ||
208 | while (po->name) { | |
209 | if (!strncmp(name, po->name, len) && strlen(po->name) == len) | |
210 | break; | |
211 | po++; | |
212 | } | |
213 | return po; | |
214 | } | |
215 | ||
216 | /* _WIN32 means using the windows libc - cygwin doesn't define that | |
217 | * by default. HAVE_COMMANDLINETOARGVW is true on cygwin, while | |
218 | * it doesn't provide the actual command line via GetCommandLineW(). */ | |
219 | #if HAVE_COMMANDLINETOARGVW && defined(_WIN32) | |
220 | #include <windows.h> | |
221 | #include <shellapi.h> | |
222 | /* Will be leaked on exit */ | |
223 | static char** win32_argv_utf8 = NULL; | |
224 | static int win32_argc = 0; | |
225 | ||
226 | /** | |
227 | * Prepare command line arguments for executable. | |
228 | * For Windows - perform wide-char to UTF-8 conversion. | |
229 | * Input arguments should be main() function arguments. | |
230 | * @param argc_ptr Arguments number (including executable) | |
231 | * @param argv_ptr Arguments list. | |
232 | */ | |
233 | static void prepare_app_arguments(int *argc_ptr, char ***argv_ptr) | |
234 | { | |
235 | char *argstr_flat; | |
236 | wchar_t **argv_w; | |
237 | int i, buffsize = 0, offset = 0; | |
238 | ||
239 | if (win32_argv_utf8) { | |
240 | *argc_ptr = win32_argc; | |
241 | *argv_ptr = win32_argv_utf8; | |
242 | return; | |
243 | } | |
244 | ||
245 | win32_argc = 0; | |
246 | argv_w = CommandLineToArgvW(GetCommandLineW(), &win32_argc); | |
247 | if (win32_argc <= 0 || !argv_w) | |
248 | return; | |
249 | ||
250 | /* determine the UTF-8 buffer size (including NULL-termination symbols) */ | |
251 | for (i = 0; i < win32_argc; i++) | |
252 | buffsize += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1, | |
253 | NULL, 0, NULL, NULL); | |
254 | ||
255 | win32_argv_utf8 = av_mallocz(sizeof(char *) * (win32_argc + 1) + buffsize); | |
256 | argstr_flat = (char *)win32_argv_utf8 + sizeof(char *) * (win32_argc + 1); | |
257 | if (!win32_argv_utf8) { | |
258 | LocalFree(argv_w); | |
259 | return; | |
260 | } | |
261 | ||
262 | for (i = 0; i < win32_argc; i++) { | |
263 | win32_argv_utf8[i] = &argstr_flat[offset]; | |
264 | offset += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1, | |
265 | &argstr_flat[offset], | |
266 | buffsize - offset, NULL, NULL); | |
267 | } | |
268 | win32_argv_utf8[i] = NULL; | |
269 | LocalFree(argv_w); | |
270 | ||
271 | *argc_ptr = win32_argc; | |
272 | *argv_ptr = win32_argv_utf8; | |
273 | } | |
274 | #else | |
275 | static inline void prepare_app_arguments(int *argc_ptr, char ***argv_ptr) | |
276 | { | |
277 | /* nothing to do */ | |
278 | } | |
279 | #endif /* HAVE_COMMANDLINETOARGVW */ | |
280 | ||
281 | static int write_option(void *optctx, const OptionDef *po, const char *opt, | |
282 | const char *arg) | |
283 | { | |
284 | /* new-style options contain an offset into optctx, old-style address of | |
285 | * a global var*/ | |
286 | void *dst = po->flags & (OPT_OFFSET | OPT_SPEC) ? | |
287 | (uint8_t *)optctx + po->u.off : po->u.dst_ptr; | |
288 | int *dstcount; | |
289 | ||
290 | if (po->flags & OPT_SPEC) { | |
291 | SpecifierOpt **so = dst; | |
292 | char *p = strchr(opt, ':'); | |
293 | ||
294 | dstcount = (int *)(so + 1); | |
295 | *so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1); | |
296 | (*so)[*dstcount - 1].specifier = av_strdup(p ? p + 1 : ""); | |
297 | dst = &(*so)[*dstcount - 1].u; | |
298 | } | |
299 | ||
300 | if (po->flags & OPT_STRING) { | |
301 | char *str; | |
302 | str = av_strdup(arg); | |
303 | av_freep(dst); | |
304 | *(char **)dst = str; | |
305 | } else if (po->flags & OPT_BOOL || po->flags & OPT_INT) { | |
306 | *(int *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX); | |
307 | } else if (po->flags & OPT_INT64) { | |
308 | *(int64_t *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX); | |
309 | } else if (po->flags & OPT_TIME) { | |
310 | *(int64_t *)dst = parse_time_or_die(opt, arg, 1); | |
311 | } else if (po->flags & OPT_FLOAT) { | |
312 | *(float *)dst = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY); | |
313 | } else if (po->flags & OPT_DOUBLE) { | |
314 | *(double *)dst = parse_number_or_die(opt, arg, OPT_DOUBLE, -INFINITY, INFINITY); | |
315 | } else if (po->u.func_arg) { | |
316 | int ret = po->u.func_arg(optctx, opt, arg); | |
317 | if (ret < 0) { | |
318 | av_log(NULL, AV_LOG_ERROR, | |
319 | "Failed to set value '%s' for option '%s': %s\n", | |
320 | arg, opt, av_err2str(ret)); | |
321 | return ret; | |
322 | } | |
323 | } | |
324 | if (po->flags & OPT_EXIT) | |
325 | exit_program(0); | |
326 | ||
327 | return 0; | |
328 | } | |
329 | ||
330 | int parse_option(void *optctx, const char *opt, const char *arg, | |
331 | const OptionDef *options) | |
332 | { | |
333 | const OptionDef *po; | |
334 | int ret; | |
335 | ||
336 | po = find_option(options, opt); | |
337 | if (!po->name && opt[0] == 'n' && opt[1] == 'o') { | |
338 | /* handle 'no' bool option */ | |
339 | po = find_option(options, opt + 2); | |
340 | if ((po->name && (po->flags & OPT_BOOL))) | |
341 | arg = "0"; | |
342 | } else if (po->flags & OPT_BOOL) | |
343 | arg = "1"; | |
344 | ||
345 | if (!po->name) | |
346 | po = find_option(options, "default"); | |
347 | if (!po->name) { | |
348 | av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt); | |
349 | return AVERROR(EINVAL); | |
350 | } | |
351 | if (po->flags & HAS_ARG && !arg) { | |
352 | av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'\n", opt); | |
353 | return AVERROR(EINVAL); | |
354 | } | |
355 | ||
356 | ret = write_option(optctx, po, opt, arg); | |
357 | if (ret < 0) | |
358 | return ret; | |
359 | ||
360 | return !!(po->flags & HAS_ARG); | |
361 | } | |
362 | ||
363 | void parse_options(void *optctx, int argc, char **argv, const OptionDef *options, | |
364 | void (*parse_arg_function)(void *, const char*)) | |
365 | { | |
366 | const char *opt; | |
367 | int optindex, handleoptions = 1, ret; | |
368 | ||
369 | /* perform system-dependent conversions for arguments list */ | |
370 | prepare_app_arguments(&argc, &argv); | |
371 | ||
372 | /* parse options */ | |
373 | optindex = 1; | |
374 | while (optindex < argc) { | |
375 | opt = argv[optindex++]; | |
376 | ||
377 | if (handleoptions && opt[0] == '-' && opt[1] != '\0') { | |
378 | if (opt[1] == '-' && opt[2] == '\0') { | |
379 | handleoptions = 0; | |
380 | continue; | |
381 | } | |
382 | opt++; | |
383 | ||
384 | if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0) | |
385 | exit_program(1); | |
386 | optindex += ret; | |
387 | } else { | |
388 | if (parse_arg_function) | |
389 | parse_arg_function(optctx, opt); | |
390 | } | |
391 | } | |
392 | } | |
393 | ||
394 | int parse_optgroup(void *optctx, OptionGroup *g) | |
395 | { | |
396 | int i, ret; | |
397 | ||
398 | av_log(NULL, AV_LOG_DEBUG, "Parsing a group of options: %s %s.\n", | |
399 | g->group_def->name, g->arg); | |
400 | ||
401 | for (i = 0; i < g->nb_opts; i++) { | |
402 | Option *o = &g->opts[i]; | |
403 | ||
404 | if (g->group_def->flags && | |
405 | !(g->group_def->flags & o->opt->flags)) { | |
406 | av_log(NULL, AV_LOG_ERROR, "Option %s (%s) cannot be applied to " | |
407 | "%s %s -- you are trying to apply an input option to an " | |
408 | "output file or vice versa. Move this option before the " | |
409 | "file it belongs to.\n", o->key, o->opt->help, | |
410 | g->group_def->name, g->arg); | |
411 | return AVERROR(EINVAL); | |
412 | } | |
413 | ||
414 | av_log(NULL, AV_LOG_DEBUG, "Applying option %s (%s) with argument %s.\n", | |
415 | o->key, o->opt->help, o->val); | |
416 | ||
417 | ret = write_option(optctx, o->opt, o->key, o->val); | |
418 | if (ret < 0) | |
419 | return ret; | |
420 | } | |
421 | ||
422 | av_log(NULL, AV_LOG_DEBUG, "Successfully parsed a group of options.\n"); | |
423 | ||
424 | return 0; | |
425 | } | |
426 | ||
427 | int locate_option(int argc, char **argv, const OptionDef *options, | |
428 | const char *optname) | |
429 | { | |
430 | const OptionDef *po; | |
431 | int i; | |
432 | ||
433 | for (i = 1; i < argc; i++) { | |
434 | const char *cur_opt = argv[i]; | |
435 | ||
436 | if (*cur_opt++ != '-') | |
437 | continue; | |
438 | ||
439 | po = find_option(options, cur_opt); | |
440 | if (!po->name && cur_opt[0] == 'n' && cur_opt[1] == 'o') | |
441 | po = find_option(options, cur_opt + 2); | |
442 | ||
443 | if ((!po->name && !strcmp(cur_opt, optname)) || | |
444 | (po->name && !strcmp(optname, po->name))) | |
445 | return i; | |
446 | ||
f6fa7814 | 447 | if (!po->name || po->flags & HAS_ARG) |
2ba45a60 DM |
448 | i++; |
449 | } | |
450 | return 0; | |
451 | } | |
452 | ||
453 | static void dump_argument(const char *a) | |
454 | { | |
455 | const unsigned char *p; | |
456 | ||
457 | for (p = a; *p; p++) | |
458 | if (!((*p >= '+' && *p <= ':') || (*p >= '@' && *p <= 'Z') || | |
459 | *p == '_' || (*p >= 'a' && *p <= 'z'))) | |
460 | break; | |
461 | if (!*p) { | |
462 | fputs(a, report_file); | |
463 | return; | |
464 | } | |
465 | fputc('"', report_file); | |
466 | for (p = a; *p; p++) { | |
467 | if (*p == '\\' || *p == '"' || *p == '$' || *p == '`') | |
468 | fprintf(report_file, "\\%c", *p); | |
469 | else if (*p < ' ' || *p > '~') | |
470 | fprintf(report_file, "\\x%02x", *p); | |
471 | else | |
472 | fputc(*p, report_file); | |
473 | } | |
474 | fputc('"', report_file); | |
475 | } | |
476 | ||
477 | void parse_loglevel(int argc, char **argv, const OptionDef *options) | |
478 | { | |
479 | int idx = locate_option(argc, argv, options, "loglevel"); | |
480 | const char *env; | |
481 | if (!idx) | |
482 | idx = locate_option(argc, argv, options, "v"); | |
483 | if (idx && argv[idx + 1]) | |
484 | opt_loglevel(NULL, "loglevel", argv[idx + 1]); | |
485 | idx = locate_option(argc, argv, options, "report"); | |
486 | if ((env = getenv("FFREPORT")) || idx) { | |
487 | init_report(env); | |
488 | if (report_file) { | |
489 | int i; | |
490 | fprintf(report_file, "Command line:\n"); | |
491 | for (i = 0; i < argc; i++) { | |
492 | dump_argument(argv[i]); | |
493 | fputc(i < argc - 1 ? ' ' : '\n', report_file); | |
494 | } | |
495 | fflush(report_file); | |
496 | } | |
497 | } | |
498 | idx = locate_option(argc, argv, options, "hide_banner"); | |
499 | if (idx) | |
500 | hide_banner = 1; | |
501 | } | |
502 | ||
503 | static const AVOption *opt_find(void *obj, const char *name, const char *unit, | |
504 | int opt_flags, int search_flags) | |
505 | { | |
506 | const AVOption *o = av_opt_find(obj, name, unit, opt_flags, search_flags); | |
507 | if(o && !o->flags) | |
508 | return NULL; | |
509 | return o; | |
510 | } | |
511 | ||
512 | #define FLAGS (o->type == AV_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0 | |
513 | int opt_default(void *optctx, const char *opt, const char *arg) | |
514 | { | |
515 | const AVOption *o; | |
516 | int consumed = 0; | |
517 | char opt_stripped[128]; | |
518 | const char *p; | |
519 | const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class(); | |
520 | #if CONFIG_AVRESAMPLE | |
521 | const AVClass *rc = avresample_get_class(); | |
522 | #endif | |
523 | const AVClass *sc, *swr_class; | |
524 | ||
525 | if (!strcmp(opt, "debug") || !strcmp(opt, "fdebug")) | |
526 | av_log_set_level(AV_LOG_DEBUG); | |
527 | ||
528 | if (!(p = strchr(opt, ':'))) | |
529 | p = opt + strlen(opt); | |
530 | av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1)); | |
531 | ||
532 | if ((o = opt_find(&cc, opt_stripped, NULL, 0, | |
533 | AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) || | |
534 | ((opt[0] == 'v' || opt[0] == 'a' || opt[0] == 's') && | |
535 | (o = opt_find(&cc, opt + 1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)))) { | |
536 | av_dict_set(&codec_opts, opt, arg, FLAGS); | |
537 | consumed = 1; | |
538 | } | |
539 | if ((o = opt_find(&fc, opt, NULL, 0, | |
540 | AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) { | |
541 | av_dict_set(&format_opts, opt, arg, FLAGS); | |
542 | if (consumed) | |
543 | av_log(NULL, AV_LOG_VERBOSE, "Routing option %s to both codec and muxer layer\n", opt); | |
544 | consumed = 1; | |
545 | } | |
546 | #if CONFIG_SWSCALE | |
547 | sc = sws_get_class(); | |
548 | if (!consumed && opt_find(&sc, opt, NULL, 0, | |
549 | AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) { | |
550 | // XXX we only support sws_flags, not arbitrary sws options | |
551 | int ret = av_opt_set(sws_opts, opt, arg, 0); | |
552 | if (ret < 0) { | |
553 | av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt); | |
554 | return ret; | |
555 | } | |
556 | consumed = 1; | |
557 | } | |
558 | #else | |
559 | if (!consumed && !strcmp(opt, "sws_flags")) { | |
560 | av_log(NULL, AV_LOG_WARNING, "Ignoring %s %s, due to disabled swscale\n", opt, arg); | |
561 | consumed = 1; | |
562 | } | |
563 | #endif | |
564 | #if CONFIG_SWRESAMPLE | |
565 | swr_class = swr_get_class(); | |
566 | if (!consumed && (o=opt_find(&swr_class, opt, NULL, 0, | |
567 | AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) { | |
568 | struct SwrContext *swr = swr_alloc(); | |
569 | int ret = av_opt_set(swr, opt, arg, 0); | |
570 | swr_free(&swr); | |
571 | if (ret < 0) { | |
572 | av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt); | |
573 | return ret; | |
574 | } | |
575 | av_dict_set(&swr_opts, opt, arg, FLAGS); | |
576 | consumed = 1; | |
577 | } | |
578 | #endif | |
579 | #if CONFIG_AVRESAMPLE | |
580 | if ((o=opt_find(&rc, opt, NULL, 0, | |
581 | AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) { | |
582 | av_dict_set(&resample_opts, opt, arg, FLAGS); | |
583 | consumed = 1; | |
584 | } | |
585 | #endif | |
586 | ||
587 | if (consumed) | |
588 | return 0; | |
589 | return AVERROR_OPTION_NOT_FOUND; | |
590 | } | |
591 | ||
592 | /* | |
593 | * Check whether given option is a group separator. | |
594 | * | |
595 | * @return index of the group definition that matched or -1 if none | |
596 | */ | |
597 | static int match_group_separator(const OptionGroupDef *groups, int nb_groups, | |
598 | const char *opt) | |
599 | { | |
600 | int i; | |
601 | ||
602 | for (i = 0; i < nb_groups; i++) { | |
603 | const OptionGroupDef *p = &groups[i]; | |
604 | if (p->sep && !strcmp(p->sep, opt)) | |
605 | return i; | |
606 | } | |
607 | ||
608 | return -1; | |
609 | } | |
610 | ||
611 | /* | |
612 | * Finish parsing an option group. | |
613 | * | |
614 | * @param group_idx which group definition should this group belong to | |
615 | * @param arg argument of the group delimiting option | |
616 | */ | |
617 | static void finish_group(OptionParseContext *octx, int group_idx, | |
618 | const char *arg) | |
619 | { | |
620 | OptionGroupList *l = &octx->groups[group_idx]; | |
621 | OptionGroup *g; | |
622 | ||
623 | GROW_ARRAY(l->groups, l->nb_groups); | |
624 | g = &l->groups[l->nb_groups - 1]; | |
625 | ||
626 | *g = octx->cur_group; | |
627 | g->arg = arg; | |
628 | g->group_def = l->group_def; | |
629 | #if CONFIG_SWSCALE | |
630 | g->sws_opts = sws_opts; | |
631 | #endif | |
632 | g->swr_opts = swr_opts; | |
633 | g->codec_opts = codec_opts; | |
634 | g->format_opts = format_opts; | |
635 | g->resample_opts = resample_opts; | |
636 | ||
637 | codec_opts = NULL; | |
638 | format_opts = NULL; | |
639 | resample_opts = NULL; | |
640 | #if CONFIG_SWSCALE | |
641 | sws_opts = NULL; | |
642 | #endif | |
643 | swr_opts = NULL; | |
644 | init_opts(); | |
645 | ||
646 | memset(&octx->cur_group, 0, sizeof(octx->cur_group)); | |
647 | } | |
648 | ||
649 | /* | |
650 | * Add an option instance to currently parsed group. | |
651 | */ | |
652 | static void add_opt(OptionParseContext *octx, const OptionDef *opt, | |
653 | const char *key, const char *val) | |
654 | { | |
655 | int global = !(opt->flags & (OPT_PERFILE | OPT_SPEC | OPT_OFFSET)); | |
656 | OptionGroup *g = global ? &octx->global_opts : &octx->cur_group; | |
657 | ||
658 | GROW_ARRAY(g->opts, g->nb_opts); | |
659 | g->opts[g->nb_opts - 1].opt = opt; | |
660 | g->opts[g->nb_opts - 1].key = key; | |
661 | g->opts[g->nb_opts - 1].val = val; | |
662 | } | |
663 | ||
664 | static void init_parse_context(OptionParseContext *octx, | |
665 | const OptionGroupDef *groups, int nb_groups) | |
666 | { | |
667 | static const OptionGroupDef global_group = { "global" }; | |
668 | int i; | |
669 | ||
670 | memset(octx, 0, sizeof(*octx)); | |
671 | ||
672 | octx->nb_groups = nb_groups; | |
673 | octx->groups = av_mallocz_array(octx->nb_groups, sizeof(*octx->groups)); | |
674 | if (!octx->groups) | |
675 | exit_program(1); | |
676 | ||
677 | for (i = 0; i < octx->nb_groups; i++) | |
678 | octx->groups[i].group_def = &groups[i]; | |
679 | ||
680 | octx->global_opts.group_def = &global_group; | |
681 | octx->global_opts.arg = ""; | |
682 | ||
683 | init_opts(); | |
684 | } | |
685 | ||
686 | void uninit_parse_context(OptionParseContext *octx) | |
687 | { | |
688 | int i, j; | |
689 | ||
690 | for (i = 0; i < octx->nb_groups; i++) { | |
691 | OptionGroupList *l = &octx->groups[i]; | |
692 | ||
693 | for (j = 0; j < l->nb_groups; j++) { | |
694 | av_freep(&l->groups[j].opts); | |
695 | av_dict_free(&l->groups[j].codec_opts); | |
696 | av_dict_free(&l->groups[j].format_opts); | |
697 | av_dict_free(&l->groups[j].resample_opts); | |
698 | #if CONFIG_SWSCALE | |
699 | sws_freeContext(l->groups[j].sws_opts); | |
700 | #endif | |
701 | av_dict_free(&l->groups[j].swr_opts); | |
702 | } | |
703 | av_freep(&l->groups); | |
704 | } | |
705 | av_freep(&octx->groups); | |
706 | ||
707 | av_freep(&octx->cur_group.opts); | |
708 | av_freep(&octx->global_opts.opts); | |
709 | ||
710 | uninit_opts(); | |
711 | } | |
712 | ||
713 | int split_commandline(OptionParseContext *octx, int argc, char *argv[], | |
714 | const OptionDef *options, | |
715 | const OptionGroupDef *groups, int nb_groups) | |
716 | { | |
717 | int optindex = 1; | |
718 | int dashdash = -2; | |
719 | ||
720 | /* perform system-dependent conversions for arguments list */ | |
721 | prepare_app_arguments(&argc, &argv); | |
722 | ||
723 | init_parse_context(octx, groups, nb_groups); | |
724 | av_log(NULL, AV_LOG_DEBUG, "Splitting the commandline.\n"); | |
725 | ||
726 | while (optindex < argc) { | |
727 | const char *opt = argv[optindex++], *arg; | |
728 | const OptionDef *po; | |
729 | int ret; | |
730 | ||
731 | av_log(NULL, AV_LOG_DEBUG, "Reading option '%s' ...", opt); | |
732 | ||
733 | if (opt[0] == '-' && opt[1] == '-' && !opt[2]) { | |
734 | dashdash = optindex; | |
735 | continue; | |
736 | } | |
737 | /* unnamed group separators, e.g. output filename */ | |
738 | if (opt[0] != '-' || !opt[1] || dashdash+1 == optindex) { | |
739 | finish_group(octx, 0, opt); | |
740 | av_log(NULL, AV_LOG_DEBUG, " matched as %s.\n", groups[0].name); | |
741 | continue; | |
742 | } | |
743 | opt++; | |
744 | ||
745 | #define GET_ARG(arg) \ | |
746 | do { \ | |
747 | arg = argv[optindex++]; \ | |
748 | if (!arg) { \ | |
749 | av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'.\n", opt);\ | |
750 | return AVERROR(EINVAL); \ | |
751 | } \ | |
752 | } while (0) | |
753 | ||
754 | /* named group separators, e.g. -i */ | |
755 | if ((ret = match_group_separator(groups, nb_groups, opt)) >= 0) { | |
756 | GET_ARG(arg); | |
757 | finish_group(octx, ret, arg); | |
758 | av_log(NULL, AV_LOG_DEBUG, " matched as %s with argument '%s'.\n", | |
759 | groups[ret].name, arg); | |
760 | continue; | |
761 | } | |
762 | ||
763 | /* normal options */ | |
764 | po = find_option(options, opt); | |
765 | if (po->name) { | |
766 | if (po->flags & OPT_EXIT) { | |
767 | /* optional argument, e.g. -h */ | |
768 | arg = argv[optindex++]; | |
769 | } else if (po->flags & HAS_ARG) { | |
770 | GET_ARG(arg); | |
771 | } else { | |
772 | arg = "1"; | |
773 | } | |
774 | ||
775 | add_opt(octx, po, opt, arg); | |
776 | av_log(NULL, AV_LOG_DEBUG, " matched as option '%s' (%s) with " | |
777 | "argument '%s'.\n", po->name, po->help, arg); | |
778 | continue; | |
779 | } | |
780 | ||
781 | /* AVOptions */ | |
782 | if (argv[optindex]) { | |
783 | ret = opt_default(NULL, opt, argv[optindex]); | |
784 | if (ret >= 0) { | |
785 | av_log(NULL, AV_LOG_DEBUG, " matched as AVOption '%s' with " | |
786 | "argument '%s'.\n", opt, argv[optindex]); | |
787 | optindex++; | |
788 | continue; | |
789 | } else if (ret != AVERROR_OPTION_NOT_FOUND) { | |
790 | av_log(NULL, AV_LOG_ERROR, "Error parsing option '%s' " | |
791 | "with argument '%s'.\n", opt, argv[optindex]); | |
792 | return ret; | |
793 | } | |
794 | } | |
795 | ||
796 | /* boolean -nofoo options */ | |
797 | if (opt[0] == 'n' && opt[1] == 'o' && | |
798 | (po = find_option(options, opt + 2)) && | |
799 | po->name && po->flags & OPT_BOOL) { | |
800 | add_opt(octx, po, opt, "0"); | |
801 | av_log(NULL, AV_LOG_DEBUG, " matched as option '%s' (%s) with " | |
802 | "argument 0.\n", po->name, po->help); | |
803 | continue; | |
804 | } | |
805 | ||
806 | av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'.\n", opt); | |
807 | return AVERROR_OPTION_NOT_FOUND; | |
808 | } | |
809 | ||
810 | if (octx->cur_group.nb_opts || codec_opts || format_opts || resample_opts) | |
811 | av_log(NULL, AV_LOG_WARNING, "Trailing options were found on the " | |
812 | "commandline.\n"); | |
813 | ||
814 | av_log(NULL, AV_LOG_DEBUG, "Finished splitting the commandline.\n"); | |
815 | ||
816 | return 0; | |
817 | } | |
818 | ||
819 | int opt_cpuflags(void *optctx, const char *opt, const char *arg) | |
820 | { | |
821 | int ret; | |
822 | unsigned flags = av_get_cpu_flags(); | |
823 | ||
824 | if ((ret = av_parse_cpu_caps(&flags, arg)) < 0) | |
825 | return ret; | |
826 | ||
827 | av_force_cpu_flags(flags); | |
828 | return 0; | |
829 | } | |
830 | ||
831 | int opt_loglevel(void *optctx, const char *opt, const char *arg) | |
832 | { | |
833 | const struct { const char *name; int level; } log_levels[] = { | |
834 | { "quiet" , AV_LOG_QUIET }, | |
835 | { "panic" , AV_LOG_PANIC }, | |
836 | { "fatal" , AV_LOG_FATAL }, | |
837 | { "error" , AV_LOG_ERROR }, | |
838 | { "warning", AV_LOG_WARNING }, | |
839 | { "info" , AV_LOG_INFO }, | |
840 | { "verbose", AV_LOG_VERBOSE }, | |
841 | { "debug" , AV_LOG_DEBUG }, | |
842 | }; | |
843 | char *tail; | |
844 | int level; | |
845 | int flags; | |
846 | int i; | |
847 | ||
848 | flags = av_log_get_flags(); | |
849 | tail = strstr(arg, "repeat"); | |
850 | if (tail) | |
851 | flags &= ~AV_LOG_SKIP_REPEATED; | |
852 | else | |
853 | flags |= AV_LOG_SKIP_REPEATED; | |
854 | ||
855 | av_log_set_flags(flags); | |
856 | if (tail == arg) | |
857 | arg += 6 + (arg[6]=='+'); | |
858 | if(tail && !*arg) | |
859 | return 0; | |
860 | ||
861 | for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) { | |
862 | if (!strcmp(log_levels[i].name, arg)) { | |
863 | av_log_set_level(log_levels[i].level); | |
864 | return 0; | |
865 | } | |
866 | } | |
867 | ||
868 | level = strtol(arg, &tail, 10); | |
869 | if (*tail) { | |
870 | av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". " | |
871 | "Possible levels are numbers or:\n", arg); | |
872 | for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) | |
873 | av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name); | |
874 | exit_program(1); | |
875 | } | |
876 | av_log_set_level(level); | |
877 | return 0; | |
878 | } | |
879 | ||
880 | static void expand_filename_template(AVBPrint *bp, const char *template, | |
881 | struct tm *tm) | |
882 | { | |
883 | int c; | |
884 | ||
885 | while ((c = *(template++))) { | |
886 | if (c == '%') { | |
887 | if (!(c = *(template++))) | |
888 | break; | |
889 | switch (c) { | |
890 | case 'p': | |
891 | av_bprintf(bp, "%s", program_name); | |
892 | break; | |
893 | case 't': | |
894 | av_bprintf(bp, "%04d%02d%02d-%02d%02d%02d", | |
895 | tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, | |
896 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
897 | break; | |
898 | case '%': | |
899 | av_bprint_chars(bp, c, 1); | |
900 | break; | |
901 | } | |
902 | } else { | |
903 | av_bprint_chars(bp, c, 1); | |
904 | } | |
905 | } | |
906 | } | |
907 | ||
908 | static int init_report(const char *env) | |
909 | { | |
910 | char *filename_template = NULL; | |
911 | char *key, *val; | |
912 | int ret, count = 0; | |
913 | time_t now; | |
914 | struct tm *tm; | |
915 | AVBPrint filename; | |
916 | ||
917 | if (report_file) /* already opened */ | |
918 | return 0; | |
919 | time(&now); | |
920 | tm = localtime(&now); | |
921 | ||
922 | while (env && *env) { | |
923 | if ((ret = av_opt_get_key_value(&env, "=", ":", 0, &key, &val)) < 0) { | |
924 | if (count) | |
925 | av_log(NULL, AV_LOG_ERROR, | |
926 | "Failed to parse FFREPORT environment variable: %s\n", | |
927 | av_err2str(ret)); | |
928 | break; | |
929 | } | |
930 | if (*env) | |
931 | env++; | |
932 | count++; | |
933 | if (!strcmp(key, "file")) { | |
934 | av_free(filename_template); | |
935 | filename_template = val; | |
936 | val = NULL; | |
937 | } else if (!strcmp(key, "level")) { | |
938 | char *tail; | |
939 | report_file_level = strtol(val, &tail, 10); | |
940 | if (*tail) { | |
941 | av_log(NULL, AV_LOG_FATAL, "Invalid report file level\n"); | |
942 | exit_program(1); | |
943 | } | |
944 | } else { | |
945 | av_log(NULL, AV_LOG_ERROR, "Unknown key '%s' in FFREPORT\n", key); | |
946 | } | |
947 | av_free(val); | |
948 | av_free(key); | |
949 | } | |
950 | ||
951 | av_bprint_init(&filename, 0, 1); | |
952 | expand_filename_template(&filename, | |
953 | av_x_if_null(filename_template, "%p-%t.log"), tm); | |
954 | av_free(filename_template); | |
955 | if (!av_bprint_is_complete(&filename)) { | |
956 | av_log(NULL, AV_LOG_ERROR, "Out of memory building report file name\n"); | |
957 | return AVERROR(ENOMEM); | |
958 | } | |
959 | ||
960 | report_file = fopen(filename.str, "w"); | |
961 | if (!report_file) { | |
f6fa7814 | 962 | int ret = AVERROR(errno); |
2ba45a60 DM |
963 | av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n", |
964 | filename.str, strerror(errno)); | |
f6fa7814 | 965 | return ret; |
2ba45a60 DM |
966 | } |
967 | av_log_set_callback(log_callback_report); | |
968 | av_log(NULL, AV_LOG_INFO, | |
969 | "%s started on %04d-%02d-%02d at %02d:%02d:%02d\n" | |
970 | "Report written to \"%s\"\n", | |
971 | program_name, | |
972 | tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, | |
973 | tm->tm_hour, tm->tm_min, tm->tm_sec, | |
974 | filename.str); | |
975 | av_bprint_finalize(&filename, NULL); | |
976 | return 0; | |
977 | } | |
978 | ||
979 | int opt_report(const char *opt) | |
980 | { | |
981 | return init_report(NULL); | |
982 | } | |
983 | ||
984 | int opt_max_alloc(void *optctx, const char *opt, const char *arg) | |
985 | { | |
986 | char *tail; | |
987 | size_t max; | |
988 | ||
989 | max = strtol(arg, &tail, 10); | |
990 | if (*tail) { | |
991 | av_log(NULL, AV_LOG_FATAL, "Invalid max_alloc \"%s\".\n", arg); | |
992 | exit_program(1); | |
993 | } | |
994 | av_max_alloc(max); | |
995 | return 0; | |
996 | } | |
997 | ||
998 | int opt_timelimit(void *optctx, const char *opt, const char *arg) | |
999 | { | |
1000 | #if HAVE_SETRLIMIT | |
1001 | int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX); | |
1002 | struct rlimit rl = { lim, lim + 1 }; | |
1003 | if (setrlimit(RLIMIT_CPU, &rl)) | |
1004 | perror("setrlimit"); | |
1005 | #else | |
1006 | av_log(NULL, AV_LOG_WARNING, "-%s not implemented on this OS\n", opt); | |
1007 | #endif | |
1008 | return 0; | |
1009 | } | |
1010 | ||
1011 | void print_error(const char *filename, int err) | |
1012 | { | |
1013 | char errbuf[128]; | |
1014 | const char *errbuf_ptr = errbuf; | |
1015 | ||
1016 | if (av_strerror(err, errbuf, sizeof(errbuf)) < 0) | |
1017 | errbuf_ptr = strerror(AVUNERROR(err)); | |
1018 | av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, errbuf_ptr); | |
1019 | } | |
1020 | ||
1021 | static int warned_cfg = 0; | |
1022 | ||
1023 | #define INDENT 1 | |
1024 | #define SHOW_VERSION 2 | |
1025 | #define SHOW_CONFIG 4 | |
1026 | #define SHOW_COPYRIGHT 8 | |
1027 | ||
1028 | #define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \ | |
1029 | if (CONFIG_##LIBNAME) { \ | |
1030 | const char *indent = flags & INDENT? " " : ""; \ | |
1031 | if (flags & SHOW_VERSION) { \ | |
1032 | unsigned int version = libname##_version(); \ | |
1033 | av_log(NULL, level, \ | |
1034 | "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \ | |
1035 | indent, #libname, \ | |
1036 | LIB##LIBNAME##_VERSION_MAJOR, \ | |
1037 | LIB##LIBNAME##_VERSION_MINOR, \ | |
1038 | LIB##LIBNAME##_VERSION_MICRO, \ | |
1039 | version >> 16, version >> 8 & 0xff, version & 0xff); \ | |
1040 | } \ | |
1041 | if (flags & SHOW_CONFIG) { \ | |
1042 | const char *cfg = libname##_configuration(); \ | |
1043 | if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \ | |
1044 | if (!warned_cfg) { \ | |
1045 | av_log(NULL, level, \ | |
1046 | "%sWARNING: library configuration mismatch\n", \ | |
1047 | indent); \ | |
1048 | warned_cfg = 1; \ | |
1049 | } \ | |
1050 | av_log(NULL, level, "%s%-11s configuration: %s\n", \ | |
1051 | indent, #libname, cfg); \ | |
1052 | } \ | |
1053 | } \ | |
1054 | } \ | |
1055 | ||
1056 | static void print_all_libs_info(int flags, int level) | |
1057 | { | |
1058 | PRINT_LIB_INFO(avutil, AVUTIL, flags, level); | |
1059 | PRINT_LIB_INFO(avcodec, AVCODEC, flags, level); | |
1060 | PRINT_LIB_INFO(avformat, AVFORMAT, flags, level); | |
1061 | PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level); | |
1062 | PRINT_LIB_INFO(avfilter, AVFILTER, flags, level); | |
1063 | PRINT_LIB_INFO(avresample, AVRESAMPLE, flags, level); | |
1064 | PRINT_LIB_INFO(swscale, SWSCALE, flags, level); | |
1065 | PRINT_LIB_INFO(swresample,SWRESAMPLE, flags, level); | |
1066 | PRINT_LIB_INFO(postproc, POSTPROC, flags, level); | |
1067 | } | |
1068 | ||
1069 | static void print_program_info(int flags, int level) | |
1070 | { | |
1071 | const char *indent = flags & INDENT? " " : ""; | |
1072 | ||
1073 | av_log(NULL, level, "%s version " FFMPEG_VERSION, program_name); | |
1074 | if (flags & SHOW_COPYRIGHT) | |
1075 | av_log(NULL, level, " Copyright (c) %d-%d the FFmpeg developers", | |
1076 | program_birth_year, CONFIG_THIS_YEAR); | |
1077 | av_log(NULL, level, "\n"); | |
1078 | av_log(NULL, level, "%sbuilt on %s %s with %s\n", | |
1079 | indent, __DATE__, __TIME__, CC_IDENT); | |
1080 | ||
1081 | av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent); | |
1082 | } | |
1083 | ||
1084 | static void print_buildconf(int flags, int level) | |
1085 | { | |
1086 | const char *indent = flags & INDENT ? " " : ""; | |
1087 | char str[] = { FFMPEG_CONFIGURATION }; | |
1088 | char *conflist, *remove_tilde, *splitconf; | |
1089 | ||
1090 | // Change all the ' --' strings to '~--' so that | |
1091 | // they can be identified as tokens. | |
1092 | while ((conflist = strstr(str, " --")) != NULL) { | |
1093 | strncpy(conflist, "~--", 3); | |
1094 | } | |
1095 | ||
1096 | // Compensate for the weirdness this would cause | |
1097 | // when passing 'pkg-config --static'. | |
1098 | while ((remove_tilde = strstr(str, "pkg-config~")) != NULL) { | |
1099 | strncpy(remove_tilde, "pkg-config ", 11); | |
1100 | } | |
1101 | ||
1102 | splitconf = strtok(str, "~"); | |
1103 | av_log(NULL, level, "\n%sconfiguration:\n", indent); | |
1104 | while (splitconf != NULL) { | |
1105 | av_log(NULL, level, "%s%s%s\n", indent, indent, splitconf); | |
1106 | splitconf = strtok(NULL, "~"); | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | void show_banner(int argc, char **argv, const OptionDef *options) | |
1111 | { | |
1112 | int idx = locate_option(argc, argv, options, "version"); | |
1113 | if (hide_banner || idx) | |
1114 | return; | |
1115 | ||
1116 | print_program_info (INDENT|SHOW_COPYRIGHT, AV_LOG_INFO); | |
1117 | print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_INFO); | |
1118 | print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_INFO); | |
1119 | } | |
1120 | ||
1121 | int show_version(void *optctx, const char *opt, const char *arg) | |
1122 | { | |
1123 | av_log_set_callback(log_callback_help); | |
1124 | print_program_info (SHOW_COPYRIGHT, AV_LOG_INFO); | |
1125 | print_all_libs_info(SHOW_VERSION, AV_LOG_INFO); | |
1126 | ||
1127 | return 0; | |
1128 | } | |
1129 | ||
1130 | int show_buildconf(void *optctx, const char *opt, const char *arg) | |
1131 | { | |
1132 | av_log_set_callback(log_callback_help); | |
1133 | print_buildconf (INDENT|0, AV_LOG_INFO); | |
1134 | ||
1135 | return 0; | |
1136 | } | |
1137 | ||
1138 | int show_license(void *optctx, const char *opt, const char *arg) | |
1139 | { | |
1140 | #if CONFIG_NONFREE | |
1141 | printf( | |
1142 | "This version of %s has nonfree parts compiled in.\n" | |
1143 | "Therefore it is not legally redistributable.\n", | |
1144 | program_name ); | |
1145 | #elif CONFIG_GPLV3 | |
1146 | printf( | |
1147 | "%s is free software; you can redistribute it and/or modify\n" | |
1148 | "it under the terms of the GNU General Public License as published by\n" | |
1149 | "the Free Software Foundation; either version 3 of the License, or\n" | |
1150 | "(at your option) any later version.\n" | |
1151 | "\n" | |
1152 | "%s is distributed in the hope that it will be useful,\n" | |
1153 | "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" | |
1154 | "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" | |
1155 | "GNU General Public License for more details.\n" | |
1156 | "\n" | |
1157 | "You should have received a copy of the GNU General Public License\n" | |
1158 | "along with %s. If not, see <http://www.gnu.org/licenses/>.\n", | |
1159 | program_name, program_name, program_name ); | |
1160 | #elif CONFIG_GPL | |
1161 | printf( | |
1162 | "%s is free software; you can redistribute it and/or modify\n" | |
1163 | "it under the terms of the GNU General Public License as published by\n" | |
1164 | "the Free Software Foundation; either version 2 of the License, or\n" | |
1165 | "(at your option) any later version.\n" | |
1166 | "\n" | |
1167 | "%s is distributed in the hope that it will be useful,\n" | |
1168 | "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" | |
1169 | "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" | |
1170 | "GNU General Public License for more details.\n" | |
1171 | "\n" | |
1172 | "You should have received a copy of the GNU General Public License\n" | |
1173 | "along with %s; if not, write to the Free Software\n" | |
1174 | "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n", | |
1175 | program_name, program_name, program_name ); | |
1176 | #elif CONFIG_LGPLV3 | |
1177 | printf( | |
1178 | "%s is free software; you can redistribute it and/or modify\n" | |
1179 | "it under the terms of the GNU Lesser General Public License as published by\n" | |
1180 | "the Free Software Foundation; either version 3 of the License, or\n" | |
1181 | "(at your option) any later version.\n" | |
1182 | "\n" | |
1183 | "%s is distributed in the hope that it will be useful,\n" | |
1184 | "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" | |
1185 | "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" | |
1186 | "GNU Lesser General Public License for more details.\n" | |
1187 | "\n" | |
1188 | "You should have received a copy of the GNU Lesser General Public License\n" | |
1189 | "along with %s. If not, see <http://www.gnu.org/licenses/>.\n", | |
1190 | program_name, program_name, program_name ); | |
1191 | #else | |
1192 | printf( | |
1193 | "%s is free software; you can redistribute it and/or\n" | |
1194 | "modify it under the terms of the GNU Lesser General Public\n" | |
1195 | "License as published by the Free Software Foundation; either\n" | |
1196 | "version 2.1 of the License, or (at your option) any later version.\n" | |
1197 | "\n" | |
1198 | "%s is distributed in the hope that it will be useful,\n" | |
1199 | "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" | |
1200 | "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n" | |
1201 | "Lesser General Public License for more details.\n" | |
1202 | "\n" | |
1203 | "You should have received a copy of the GNU Lesser General Public\n" | |
1204 | "License along with %s; if not, write to the Free Software\n" | |
1205 | "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n", | |
1206 | program_name, program_name, program_name ); | |
1207 | #endif | |
1208 | ||
1209 | return 0; | |
1210 | } | |
1211 | ||
1212 | static int is_device(const AVClass *avclass) | |
1213 | { | |
1214 | if (!avclass) | |
1215 | return 0; | |
1216 | return avclass->category == AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT || | |
1217 | avclass->category == AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT || | |
1218 | avclass->category == AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT || | |
1219 | avclass->category == AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT || | |
1220 | avclass->category == AV_CLASS_CATEGORY_DEVICE_OUTPUT || | |
1221 | avclass->category == AV_CLASS_CATEGORY_DEVICE_INPUT; | |
1222 | } | |
1223 | ||
1224 | static int show_formats_devices(void *optctx, const char *opt, const char *arg, int device_only) | |
1225 | { | |
1226 | AVInputFormat *ifmt = NULL; | |
1227 | AVOutputFormat *ofmt = NULL; | |
1228 | const char *last_name; | |
1229 | int is_dev; | |
1230 | ||
1231 | printf("%s\n" | |
1232 | " D. = Demuxing supported\n" | |
1233 | " .E = Muxing supported\n" | |
1234 | " --\n", device_only ? "Devices:" : "File formats:"); | |
1235 | last_name = "000"; | |
1236 | for (;;) { | |
1237 | int decode = 0; | |
1238 | int encode = 0; | |
1239 | const char *name = NULL; | |
1240 | const char *long_name = NULL; | |
1241 | ||
1242 | while ((ofmt = av_oformat_next(ofmt))) { | |
1243 | is_dev = is_device(ofmt->priv_class); | |
1244 | if (!is_dev && device_only) | |
1245 | continue; | |
1246 | if ((!name || strcmp(ofmt->name, name) < 0) && | |
1247 | strcmp(ofmt->name, last_name) > 0) { | |
1248 | name = ofmt->name; | |
1249 | long_name = ofmt->long_name; | |
1250 | encode = 1; | |
1251 | } | |
1252 | } | |
1253 | while ((ifmt = av_iformat_next(ifmt))) { | |
1254 | is_dev = is_device(ifmt->priv_class); | |
1255 | if (!is_dev && device_only) | |
1256 | continue; | |
1257 | if ((!name || strcmp(ifmt->name, name) < 0) && | |
1258 | strcmp(ifmt->name, last_name) > 0) { | |
1259 | name = ifmt->name; | |
1260 | long_name = ifmt->long_name; | |
1261 | encode = 0; | |
1262 | } | |
1263 | if (name && strcmp(ifmt->name, name) == 0) | |
1264 | decode = 1; | |
1265 | } | |
1266 | if (!name) | |
1267 | break; | |
1268 | last_name = name; | |
1269 | ||
1270 | printf(" %s%s %-15s %s\n", | |
1271 | decode ? "D" : " ", | |
1272 | encode ? "E" : " ", | |
1273 | name, | |
1274 | long_name ? long_name:" "); | |
1275 | } | |
1276 | return 0; | |
1277 | } | |
1278 | ||
1279 | int show_formats(void *optctx, const char *opt, const char *arg) | |
1280 | { | |
1281 | return show_formats_devices(optctx, opt, arg, 0); | |
1282 | } | |
1283 | ||
1284 | int show_devices(void *optctx, const char *opt, const char *arg) | |
1285 | { | |
1286 | return show_formats_devices(optctx, opt, arg, 1); | |
1287 | } | |
1288 | ||
1289 | #define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \ | |
1290 | if (codec->field) { \ | |
1291 | const type *p = codec->field; \ | |
1292 | \ | |
1293 | printf(" Supported " list_name ":"); \ | |
1294 | while (*p != term) { \ | |
1295 | get_name(*p); \ | |
1296 | printf(" %s", name); \ | |
1297 | p++; \ | |
1298 | } \ | |
1299 | printf("\n"); \ | |
1300 | } \ | |
1301 | ||
1302 | static void print_codec(const AVCodec *c) | |
1303 | { | |
1304 | int encoder = av_codec_is_encoder(c); | |
1305 | ||
1306 | printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name, | |
1307 | c->long_name ? c->long_name : ""); | |
1308 | ||
1309 | if (c->type == AVMEDIA_TYPE_VIDEO || | |
1310 | c->type == AVMEDIA_TYPE_AUDIO) { | |
1311 | printf(" Threading capabilities: "); | |
1312 | switch (c->capabilities & (CODEC_CAP_FRAME_THREADS | | |
1313 | CODEC_CAP_SLICE_THREADS)) { | |
1314 | case CODEC_CAP_FRAME_THREADS | | |
1315 | CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break; | |
1316 | case CODEC_CAP_FRAME_THREADS: printf("frame"); break; | |
1317 | case CODEC_CAP_SLICE_THREADS: printf("slice"); break; | |
1318 | default: printf("no"); break; | |
1319 | } | |
1320 | printf("\n"); | |
1321 | } | |
1322 | ||
1323 | if (c->supported_framerates) { | |
1324 | const AVRational *fps = c->supported_framerates; | |
1325 | ||
1326 | printf(" Supported framerates:"); | |
1327 | while (fps->num) { | |
1328 | printf(" %d/%d", fps->num, fps->den); | |
1329 | fps++; | |
1330 | } | |
1331 | printf("\n"); | |
1332 | } | |
1333 | PRINT_CODEC_SUPPORTED(c, pix_fmts, enum AVPixelFormat, "pixel formats", | |
1334 | AV_PIX_FMT_NONE, GET_PIX_FMT_NAME); | |
1335 | PRINT_CODEC_SUPPORTED(c, supported_samplerates, int, "sample rates", 0, | |
1336 | GET_SAMPLE_RATE_NAME); | |
1337 | PRINT_CODEC_SUPPORTED(c, sample_fmts, enum AVSampleFormat, "sample formats", | |
1338 | AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME); | |
1339 | PRINT_CODEC_SUPPORTED(c, channel_layouts, uint64_t, "channel layouts", | |
1340 | 0, GET_CH_LAYOUT_DESC); | |
1341 | ||
1342 | if (c->priv_class) { | |
1343 | show_help_children(c->priv_class, | |
1344 | AV_OPT_FLAG_ENCODING_PARAM | | |
1345 | AV_OPT_FLAG_DECODING_PARAM); | |
1346 | } | |
1347 | } | |
1348 | ||
1349 | static char get_media_type_char(enum AVMediaType type) | |
1350 | { | |
1351 | switch (type) { | |
1352 | case AVMEDIA_TYPE_VIDEO: return 'V'; | |
1353 | case AVMEDIA_TYPE_AUDIO: return 'A'; | |
1354 | case AVMEDIA_TYPE_DATA: return 'D'; | |
1355 | case AVMEDIA_TYPE_SUBTITLE: return 'S'; | |
1356 | case AVMEDIA_TYPE_ATTACHMENT:return 'T'; | |
1357 | default: return '?'; | |
1358 | } | |
1359 | } | |
1360 | ||
1361 | static const AVCodec *next_codec_for_id(enum AVCodecID id, const AVCodec *prev, | |
1362 | int encoder) | |
1363 | { | |
1364 | while ((prev = av_codec_next(prev))) { | |
1365 | if (prev->id == id && | |
1366 | (encoder ? av_codec_is_encoder(prev) : av_codec_is_decoder(prev))) | |
1367 | return prev; | |
1368 | } | |
1369 | return NULL; | |
1370 | } | |
1371 | ||
1372 | static int compare_codec_desc(const void *a, const void *b) | |
1373 | { | |
1374 | const AVCodecDescriptor * const *da = a; | |
1375 | const AVCodecDescriptor * const *db = b; | |
1376 | ||
1377 | return (*da)->type != (*db)->type ? (*da)->type - (*db)->type : | |
1378 | strcmp((*da)->name, (*db)->name); | |
1379 | } | |
1380 | ||
1381 | static unsigned get_codecs_sorted(const AVCodecDescriptor ***rcodecs) | |
1382 | { | |
1383 | const AVCodecDescriptor *desc = NULL; | |
1384 | const AVCodecDescriptor **codecs; | |
1385 | unsigned nb_codecs = 0, i = 0; | |
1386 | ||
1387 | while ((desc = avcodec_descriptor_next(desc))) | |
1388 | nb_codecs++; | |
1389 | if (!(codecs = av_calloc(nb_codecs, sizeof(*codecs)))) { | |
1390 | av_log(NULL, AV_LOG_ERROR, "Out of memory\n"); | |
1391 | exit_program(1); | |
1392 | } | |
1393 | desc = NULL; | |
1394 | while ((desc = avcodec_descriptor_next(desc))) | |
1395 | codecs[i++] = desc; | |
1396 | av_assert0(i == nb_codecs); | |
1397 | qsort(codecs, nb_codecs, sizeof(*codecs), compare_codec_desc); | |
1398 | *rcodecs = codecs; | |
1399 | return nb_codecs; | |
1400 | } | |
1401 | ||
1402 | static void print_codecs_for_id(enum AVCodecID id, int encoder) | |
1403 | { | |
1404 | const AVCodec *codec = NULL; | |
1405 | ||
1406 | printf(" (%s: ", encoder ? "encoders" : "decoders"); | |
1407 | ||
1408 | while ((codec = next_codec_for_id(id, codec, encoder))) | |
1409 | printf("%s ", codec->name); | |
1410 | ||
1411 | printf(")"); | |
1412 | } | |
1413 | ||
1414 | int show_codecs(void *optctx, const char *opt, const char *arg) | |
1415 | { | |
1416 | const AVCodecDescriptor **codecs; | |
1417 | unsigned i, nb_codecs = get_codecs_sorted(&codecs); | |
1418 | ||
1419 | printf("Codecs:\n" | |
1420 | " D..... = Decoding supported\n" | |
1421 | " .E.... = Encoding supported\n" | |
1422 | " ..V... = Video codec\n" | |
1423 | " ..A... = Audio codec\n" | |
1424 | " ..S... = Subtitle codec\n" | |
1425 | " ...I.. = Intra frame-only codec\n" | |
1426 | " ....L. = Lossy compression\n" | |
1427 | " .....S = Lossless compression\n" | |
1428 | " -------\n"); | |
1429 | for (i = 0; i < nb_codecs; i++) { | |
1430 | const AVCodecDescriptor *desc = codecs[i]; | |
1431 | const AVCodec *codec = NULL; | |
1432 | ||
1433 | if (strstr(desc->name, "_deprecated")) | |
1434 | continue; | |
1435 | ||
1436 | printf(" "); | |
1437 | printf(avcodec_find_decoder(desc->id) ? "D" : "."); | |
1438 | printf(avcodec_find_encoder(desc->id) ? "E" : "."); | |
1439 | ||
1440 | printf("%c", get_media_type_char(desc->type)); | |
1441 | printf((desc->props & AV_CODEC_PROP_INTRA_ONLY) ? "I" : "."); | |
1442 | printf((desc->props & AV_CODEC_PROP_LOSSY) ? "L" : "."); | |
1443 | printf((desc->props & AV_CODEC_PROP_LOSSLESS) ? "S" : "."); | |
1444 | ||
1445 | printf(" %-20s %s", desc->name, desc->long_name ? desc->long_name : ""); | |
1446 | ||
1447 | /* print decoders/encoders when there's more than one or their | |
1448 | * names are different from codec name */ | |
1449 | while ((codec = next_codec_for_id(desc->id, codec, 0))) { | |
1450 | if (strcmp(codec->name, desc->name)) { | |
1451 | print_codecs_for_id(desc->id, 0); | |
1452 | break; | |
1453 | } | |
1454 | } | |
1455 | codec = NULL; | |
1456 | while ((codec = next_codec_for_id(desc->id, codec, 1))) { | |
1457 | if (strcmp(codec->name, desc->name)) { | |
1458 | print_codecs_for_id(desc->id, 1); | |
1459 | break; | |
1460 | } | |
1461 | } | |
1462 | ||
1463 | printf("\n"); | |
1464 | } | |
1465 | av_free(codecs); | |
1466 | return 0; | |
1467 | } | |
1468 | ||
1469 | static void print_codecs(int encoder) | |
1470 | { | |
1471 | const AVCodecDescriptor **codecs; | |
1472 | unsigned i, nb_codecs = get_codecs_sorted(&codecs); | |
1473 | ||
1474 | printf("%s:\n" | |
1475 | " V..... = Video\n" | |
1476 | " A..... = Audio\n" | |
1477 | " S..... = Subtitle\n" | |
1478 | " .F.... = Frame-level multithreading\n" | |
1479 | " ..S... = Slice-level multithreading\n" | |
1480 | " ...X.. = Codec is experimental\n" | |
1481 | " ....B. = Supports draw_horiz_band\n" | |
1482 | " .....D = Supports direct rendering method 1\n" | |
1483 | " ------\n", | |
1484 | encoder ? "Encoders" : "Decoders"); | |
1485 | for (i = 0; i < nb_codecs; i++) { | |
1486 | const AVCodecDescriptor *desc = codecs[i]; | |
1487 | const AVCodec *codec = NULL; | |
1488 | ||
1489 | while ((codec = next_codec_for_id(desc->id, codec, encoder))) { | |
1490 | printf(" %c", get_media_type_char(desc->type)); | |
1491 | printf((codec->capabilities & CODEC_CAP_FRAME_THREADS) ? "F" : "."); | |
1492 | printf((codec->capabilities & CODEC_CAP_SLICE_THREADS) ? "S" : "."); | |
1493 | printf((codec->capabilities & CODEC_CAP_EXPERIMENTAL) ? "X" : "."); | |
1494 | printf((codec->capabilities & CODEC_CAP_DRAW_HORIZ_BAND)?"B" : "."); | |
1495 | printf((codec->capabilities & CODEC_CAP_DR1) ? "D" : "."); | |
1496 | ||
1497 | printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : ""); | |
1498 | if (strcmp(codec->name, desc->name)) | |
1499 | printf(" (codec %s)", desc->name); | |
1500 | ||
1501 | printf("\n"); | |
1502 | } | |
1503 | } | |
1504 | av_free(codecs); | |
1505 | } | |
1506 | ||
1507 | int show_decoders(void *optctx, const char *opt, const char *arg) | |
1508 | { | |
1509 | print_codecs(0); | |
1510 | return 0; | |
1511 | } | |
1512 | ||
1513 | int show_encoders(void *optctx, const char *opt, const char *arg) | |
1514 | { | |
1515 | print_codecs(1); | |
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | int show_bsfs(void *optctx, const char *opt, const char *arg) | |
1520 | { | |
1521 | AVBitStreamFilter *bsf = NULL; | |
1522 | ||
1523 | printf("Bitstream filters:\n"); | |
1524 | while ((bsf = av_bitstream_filter_next(bsf))) | |
1525 | printf("%s\n", bsf->name); | |
1526 | printf("\n"); | |
1527 | return 0; | |
1528 | } | |
1529 | ||
1530 | int show_protocols(void *optctx, const char *opt, const char *arg) | |
1531 | { | |
1532 | void *opaque = NULL; | |
1533 | const char *name; | |
1534 | ||
1535 | printf("Supported file protocols:\n" | |
1536 | "Input:\n"); | |
1537 | while ((name = avio_enum_protocols(&opaque, 0))) | |
1538 | printf("%s\n", name); | |
1539 | printf("Output:\n"); | |
1540 | while ((name = avio_enum_protocols(&opaque, 1))) | |
1541 | printf("%s\n", name); | |
1542 | return 0; | |
1543 | } | |
1544 | ||
1545 | int show_filters(void *optctx, const char *opt, const char *arg) | |
1546 | { | |
f6fa7814 DM |
1547 | #if CONFIG_AVFILTER |
1548 | const AVFilter *filter = NULL; | |
2ba45a60 DM |
1549 | char descr[64], *descr_cur; |
1550 | int i, j; | |
1551 | const AVFilterPad *pad; | |
1552 | ||
1553 | printf("Filters:\n" | |
1554 | " T.. = Timeline support\n" | |
1555 | " .S. = Slice threading\n" | |
1556 | " ..C = Commmand support\n" | |
1557 | " A = Audio input/output\n" | |
1558 | " V = Video input/output\n" | |
1559 | " N = Dynamic number and/or type of input/output\n" | |
1560 | " | = Source or sink filter\n"); | |
2ba45a60 DM |
1561 | while ((filter = avfilter_next(filter))) { |
1562 | descr_cur = descr; | |
1563 | for (i = 0; i < 2; i++) { | |
1564 | if (i) { | |
1565 | *(descr_cur++) = '-'; | |
1566 | *(descr_cur++) = '>'; | |
1567 | } | |
1568 | pad = i ? filter->outputs : filter->inputs; | |
1569 | for (j = 0; pad && pad[j].name; j++) { | |
1570 | if (descr_cur >= descr + sizeof(descr) - 4) | |
1571 | break; | |
1572 | *(descr_cur++) = get_media_type_char(pad[j].type); | |
1573 | } | |
1574 | if (!j) | |
1575 | *(descr_cur++) = ((!i && (filter->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)) || | |
1576 | ( i && (filter->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS))) ? 'N' : '|'; | |
1577 | } | |
1578 | *descr_cur = 0; | |
1579 | printf(" %c%c%c %-16s %-10s %s\n", | |
1580 | filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE ? 'T' : '.', | |
1581 | filter->flags & AVFILTER_FLAG_SLICE_THREADS ? 'S' : '.', | |
1582 | filter->process_command ? 'C' : '.', | |
1583 | filter->name, descr, filter->description); | |
1584 | } | |
f6fa7814 DM |
1585 | #else |
1586 | printf("No filters available: libavfilter disabled\n"); | |
2ba45a60 DM |
1587 | #endif |
1588 | return 0; | |
1589 | } | |
1590 | ||
1591 | int show_colors(void *optctx, const char *opt, const char *arg) | |
1592 | { | |
1593 | const char *name; | |
1594 | const uint8_t *rgb; | |
1595 | int i; | |
1596 | ||
1597 | printf("%-32s #RRGGBB\n", "name"); | |
1598 | ||
1599 | for (i = 0; name = av_get_known_color_name(i, &rgb); i++) | |
1600 | printf("%-32s #%02x%02x%02x\n", name, rgb[0], rgb[1], rgb[2]); | |
1601 | ||
1602 | return 0; | |
1603 | } | |
1604 | ||
1605 | int show_pix_fmts(void *optctx, const char *opt, const char *arg) | |
1606 | { | |
1607 | const AVPixFmtDescriptor *pix_desc = NULL; | |
1608 | ||
1609 | printf("Pixel formats:\n" | |
1610 | "I.... = Supported Input format for conversion\n" | |
1611 | ".O... = Supported Output format for conversion\n" | |
1612 | "..H.. = Hardware accelerated format\n" | |
1613 | "...P. = Paletted format\n" | |
1614 | "....B = Bitstream format\n" | |
1615 | "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n" | |
1616 | "-----\n"); | |
1617 | ||
1618 | #if !CONFIG_SWSCALE | |
1619 | # define sws_isSupportedInput(x) 0 | |
1620 | # define sws_isSupportedOutput(x) 0 | |
1621 | #endif | |
1622 | ||
1623 | while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) { | |
1624 | enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(pix_desc); | |
1625 | printf("%c%c%c%c%c %-16s %d %2d\n", | |
1626 | sws_isSupportedInput (pix_fmt) ? 'I' : '.', | |
1627 | sws_isSupportedOutput(pix_fmt) ? 'O' : '.', | |
1628 | pix_desc->flags & AV_PIX_FMT_FLAG_HWACCEL ? 'H' : '.', | |
1629 | pix_desc->flags & AV_PIX_FMT_FLAG_PAL ? 'P' : '.', | |
1630 | pix_desc->flags & AV_PIX_FMT_FLAG_BITSTREAM ? 'B' : '.', | |
1631 | pix_desc->name, | |
1632 | pix_desc->nb_components, | |
1633 | av_get_bits_per_pixel(pix_desc)); | |
1634 | } | |
1635 | return 0; | |
1636 | } | |
1637 | ||
1638 | int show_layouts(void *optctx, const char *opt, const char *arg) | |
1639 | { | |
1640 | int i = 0; | |
1641 | uint64_t layout, j; | |
1642 | const char *name, *descr; | |
1643 | ||
1644 | printf("Individual channels:\n" | |
1645 | "NAME DESCRIPTION\n"); | |
1646 | for (i = 0; i < 63; i++) { | |
1647 | name = av_get_channel_name((uint64_t)1 << i); | |
1648 | if (!name) | |
1649 | continue; | |
1650 | descr = av_get_channel_description((uint64_t)1 << i); | |
1651 | printf("%-14s %s\n", name, descr); | |
1652 | } | |
1653 | printf("\nStandard channel layouts:\n" | |
1654 | "NAME DECOMPOSITION\n"); | |
1655 | for (i = 0; !av_get_standard_channel_layout(i, &layout, &name); i++) { | |
1656 | if (name) { | |
1657 | printf("%-14s ", name); | |
1658 | for (j = 1; j; j <<= 1) | |
1659 | if ((layout & j)) | |
1660 | printf("%s%s", (layout & (j - 1)) ? "+" : "", av_get_channel_name(j)); | |
1661 | printf("\n"); | |
1662 | } | |
1663 | } | |
1664 | return 0; | |
1665 | } | |
1666 | ||
1667 | int show_sample_fmts(void *optctx, const char *opt, const char *arg) | |
1668 | { | |
1669 | int i; | |
1670 | char fmt_str[128]; | |
1671 | for (i = -1; i < AV_SAMPLE_FMT_NB; i++) | |
1672 | printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i)); | |
1673 | return 0; | |
1674 | } | |
1675 | ||
1676 | static void show_help_codec(const char *name, int encoder) | |
1677 | { | |
1678 | const AVCodecDescriptor *desc; | |
1679 | const AVCodec *codec; | |
1680 | ||
1681 | if (!name) { | |
1682 | av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n"); | |
1683 | return; | |
1684 | } | |
1685 | ||
1686 | codec = encoder ? avcodec_find_encoder_by_name(name) : | |
1687 | avcodec_find_decoder_by_name(name); | |
1688 | ||
1689 | if (codec) | |
1690 | print_codec(codec); | |
1691 | else if ((desc = avcodec_descriptor_get_by_name(name))) { | |
1692 | int printed = 0; | |
1693 | ||
1694 | while ((codec = next_codec_for_id(desc->id, codec, encoder))) { | |
1695 | printed = 1; | |
1696 | print_codec(codec); | |
1697 | } | |
1698 | ||
1699 | if (!printed) { | |
1700 | av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, " | |
1701 | "but no %s for it are available. FFmpeg might need to be " | |
1702 | "recompiled with additional external libraries.\n", | |
1703 | name, encoder ? "encoders" : "decoders"); | |
1704 | } | |
1705 | } else { | |
1706 | av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n", | |
1707 | name); | |
1708 | } | |
1709 | } | |
1710 | ||
1711 | static void show_help_demuxer(const char *name) | |
1712 | { | |
1713 | const AVInputFormat *fmt = av_find_input_format(name); | |
1714 | ||
1715 | if (!fmt) { | |
1716 | av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name); | |
1717 | return; | |
1718 | } | |
1719 | ||
1720 | printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name); | |
1721 | ||
1722 | if (fmt->extensions) | |
1723 | printf(" Common extensions: %s.\n", fmt->extensions); | |
1724 | ||
1725 | if (fmt->priv_class) | |
1726 | show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM); | |
1727 | } | |
1728 | ||
1729 | static void show_help_muxer(const char *name) | |
1730 | { | |
1731 | const AVCodecDescriptor *desc; | |
1732 | const AVOutputFormat *fmt = av_guess_format(name, NULL, NULL); | |
1733 | ||
1734 | if (!fmt) { | |
1735 | av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name); | |
1736 | return; | |
1737 | } | |
1738 | ||
1739 | printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name); | |
1740 | ||
1741 | if (fmt->extensions) | |
1742 | printf(" Common extensions: %s.\n", fmt->extensions); | |
1743 | if (fmt->mime_type) | |
1744 | printf(" Mime type: %s.\n", fmt->mime_type); | |
1745 | if (fmt->video_codec != AV_CODEC_ID_NONE && | |
1746 | (desc = avcodec_descriptor_get(fmt->video_codec))) { | |
1747 | printf(" Default video codec: %s.\n", desc->name); | |
1748 | } | |
1749 | if (fmt->audio_codec != AV_CODEC_ID_NONE && | |
1750 | (desc = avcodec_descriptor_get(fmt->audio_codec))) { | |
1751 | printf(" Default audio codec: %s.\n", desc->name); | |
1752 | } | |
1753 | if (fmt->subtitle_codec != AV_CODEC_ID_NONE && | |
1754 | (desc = avcodec_descriptor_get(fmt->subtitle_codec))) { | |
1755 | printf(" Default subtitle codec: %s.\n", desc->name); | |
1756 | } | |
1757 | ||
1758 | if (fmt->priv_class) | |
1759 | show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM); | |
1760 | } | |
1761 | ||
1762 | #if CONFIG_AVFILTER | |
1763 | static void show_help_filter(const char *name) | |
1764 | { | |
1765 | #if CONFIG_AVFILTER | |
1766 | const AVFilter *f = avfilter_get_by_name(name); | |
1767 | int i, count; | |
1768 | ||
1769 | if (!name) { | |
1770 | av_log(NULL, AV_LOG_ERROR, "No filter name specified.\n"); | |
1771 | return; | |
1772 | } else if (!f) { | |
1773 | av_log(NULL, AV_LOG_ERROR, "Unknown filter '%s'.\n", name); | |
1774 | return; | |
1775 | } | |
1776 | ||
1777 | printf("Filter %s\n", f->name); | |
1778 | if (f->description) | |
1779 | printf(" %s\n", f->description); | |
1780 | ||
1781 | if (f->flags & AVFILTER_FLAG_SLICE_THREADS) | |
1782 | printf(" slice threading supported\n"); | |
1783 | ||
1784 | printf(" Inputs:\n"); | |
1785 | count = avfilter_pad_count(f->inputs); | |
1786 | for (i = 0; i < count; i++) { | |
1787 | printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->inputs, i), | |
1788 | media_type_string(avfilter_pad_get_type(f->inputs, i))); | |
1789 | } | |
1790 | if (f->flags & AVFILTER_FLAG_DYNAMIC_INPUTS) | |
1791 | printf(" dynamic (depending on the options)\n"); | |
1792 | else if (!count) | |
1793 | printf(" none (source filter)\n"); | |
1794 | ||
1795 | printf(" Outputs:\n"); | |
1796 | count = avfilter_pad_count(f->outputs); | |
1797 | for (i = 0; i < count; i++) { | |
1798 | printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->outputs, i), | |
1799 | media_type_string(avfilter_pad_get_type(f->outputs, i))); | |
1800 | } | |
1801 | if (f->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS) | |
1802 | printf(" dynamic (depending on the options)\n"); | |
1803 | else if (!count) | |
1804 | printf(" none (sink filter)\n"); | |
1805 | ||
1806 | if (f->priv_class) | |
1807 | show_help_children(f->priv_class, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | | |
1808 | AV_OPT_FLAG_AUDIO_PARAM); | |
1809 | if (f->flags & AVFILTER_FLAG_SUPPORT_TIMELINE) | |
1810 | printf("This filter has support for timeline through the 'enable' option.\n"); | |
1811 | #else | |
1812 | av_log(NULL, AV_LOG_ERROR, "Build without libavfilter; " | |
1813 | "can not to satisfy request\n"); | |
1814 | #endif | |
1815 | } | |
1816 | #endif | |
1817 | ||
1818 | int show_help(void *optctx, const char *opt, const char *arg) | |
1819 | { | |
1820 | char *topic, *par; | |
1821 | av_log_set_callback(log_callback_help); | |
1822 | ||
1823 | topic = av_strdup(arg ? arg : ""); | |
1824 | par = strchr(topic, '='); | |
1825 | if (par) | |
1826 | *par++ = 0; | |
1827 | ||
1828 | if (!*topic) { | |
1829 | show_help_default(topic, par); | |
1830 | } else if (!strcmp(topic, "decoder")) { | |
1831 | show_help_codec(par, 0); | |
1832 | } else if (!strcmp(topic, "encoder")) { | |
1833 | show_help_codec(par, 1); | |
1834 | } else if (!strcmp(topic, "demuxer")) { | |
1835 | show_help_demuxer(par); | |
1836 | } else if (!strcmp(topic, "muxer")) { | |
1837 | show_help_muxer(par); | |
1838 | #if CONFIG_AVFILTER | |
1839 | } else if (!strcmp(topic, "filter")) { | |
1840 | show_help_filter(par); | |
1841 | #endif | |
1842 | } else { | |
1843 | show_help_default(topic, par); | |
1844 | } | |
1845 | ||
1846 | av_freep(&topic); | |
1847 | return 0; | |
1848 | } | |
1849 | ||
1850 | int read_yesno(void) | |
1851 | { | |
1852 | int c = getchar(); | |
1853 | int yesno = (av_toupper(c) == 'Y'); | |
1854 | ||
1855 | while (c != '\n' && c != EOF) | |
1856 | c = getchar(); | |
1857 | ||
1858 | return yesno; | |
1859 | } | |
1860 | ||
1861 | int cmdutils_read_file(const char *filename, char **bufptr, size_t *size) | |
1862 | { | |
1863 | int ret; | |
1864 | FILE *f = av_fopen_utf8(filename, "rb"); | |
1865 | ||
1866 | if (!f) { | |
f6fa7814 | 1867 | ret = AVERROR(errno); |
2ba45a60 DM |
1868 | av_log(NULL, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename, |
1869 | strerror(errno)); | |
f6fa7814 | 1870 | return ret; |
2ba45a60 DM |
1871 | } |
1872 | fseek(f, 0, SEEK_END); | |
1873 | *size = ftell(f); | |
1874 | fseek(f, 0, SEEK_SET); | |
1875 | if (*size == (size_t)-1) { | |
f6fa7814 | 1876 | ret = AVERROR(errno); |
2ba45a60 DM |
1877 | av_log(NULL, AV_LOG_ERROR, "IO error: %s\n", strerror(errno)); |
1878 | fclose(f); | |
f6fa7814 | 1879 | return ret; |
2ba45a60 DM |
1880 | } |
1881 | *bufptr = av_malloc(*size + 1); | |
1882 | if (!*bufptr) { | |
1883 | av_log(NULL, AV_LOG_ERROR, "Could not allocate file buffer\n"); | |
1884 | fclose(f); | |
1885 | return AVERROR(ENOMEM); | |
1886 | } | |
1887 | ret = fread(*bufptr, 1, *size, f); | |
1888 | if (ret < *size) { | |
1889 | av_free(*bufptr); | |
1890 | if (ferror(f)) { | |
f6fa7814 | 1891 | ret = AVERROR(errno); |
2ba45a60 DM |
1892 | av_log(NULL, AV_LOG_ERROR, "Error while reading file '%s': %s\n", |
1893 | filename, strerror(errno)); | |
2ba45a60 DM |
1894 | } else |
1895 | ret = AVERROR_EOF; | |
1896 | } else { | |
1897 | ret = 0; | |
1898 | (*bufptr)[(*size)++] = '\0'; | |
1899 | } | |
1900 | ||
1901 | fclose(f); | |
1902 | return ret; | |
1903 | } | |
1904 | ||
1905 | FILE *get_preset_file(char *filename, size_t filename_size, | |
1906 | const char *preset_name, int is_path, | |
1907 | const char *codec_name) | |
1908 | { | |
1909 | FILE *f = NULL; | |
1910 | int i; | |
1911 | const char *base[3] = { getenv("FFMPEG_DATADIR"), | |
1912 | getenv("HOME"), | |
1913 | FFMPEG_DATADIR, }; | |
1914 | ||
1915 | if (is_path) { | |
1916 | av_strlcpy(filename, preset_name, filename_size); | |
1917 | f = fopen(filename, "r"); | |
1918 | } else { | |
1919 | #ifdef _WIN32 | |
1920 | char datadir[MAX_PATH], *ls; | |
1921 | base[2] = NULL; | |
1922 | ||
1923 | if (GetModuleFileNameA(GetModuleHandleA(NULL), datadir, sizeof(datadir) - 1)) | |
1924 | { | |
1925 | for (ls = datadir; ls < datadir + strlen(datadir); ls++) | |
1926 | if (*ls == '\\') *ls = '/'; | |
1927 | ||
1928 | if (ls = strrchr(datadir, '/')) | |
1929 | { | |
1930 | *ls = 0; | |
1931 | strncat(datadir, "/ffpresets", sizeof(datadir) - 1 - strlen(datadir)); | |
1932 | base[2] = datadir; | |
1933 | } | |
1934 | } | |
1935 | #endif | |
1936 | for (i = 0; i < 3 && !f; i++) { | |
1937 | if (!base[i]) | |
1938 | continue; | |
1939 | snprintf(filename, filename_size, "%s%s/%s.ffpreset", base[i], | |
1940 | i != 1 ? "" : "/.ffmpeg", preset_name); | |
1941 | f = fopen(filename, "r"); | |
1942 | if (!f && codec_name) { | |
1943 | snprintf(filename, filename_size, | |
1944 | "%s%s/%s-%s.ffpreset", | |
1945 | base[i], i != 1 ? "" : "/.ffmpeg", codec_name, | |
1946 | preset_name); | |
1947 | f = fopen(filename, "r"); | |
1948 | } | |
1949 | } | |
1950 | } | |
1951 | ||
1952 | return f; | |
1953 | } | |
1954 | ||
1955 | int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec) | |
1956 | { | |
1957 | int ret = avformat_match_stream_specifier(s, st, spec); | |
1958 | if (ret < 0) | |
1959 | av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec); | |
1960 | return ret; | |
1961 | } | |
1962 | ||
1963 | AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id, | |
1964 | AVFormatContext *s, AVStream *st, AVCodec *codec) | |
1965 | { | |
1966 | AVDictionary *ret = NULL; | |
1967 | AVDictionaryEntry *t = NULL; | |
1968 | int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM | |
1969 | : AV_OPT_FLAG_DECODING_PARAM; | |
1970 | char prefix = 0; | |
1971 | const AVClass *cc = avcodec_get_class(); | |
1972 | ||
1973 | if (!codec) | |
1974 | codec = s->oformat ? avcodec_find_encoder(codec_id) | |
1975 | : avcodec_find_decoder(codec_id); | |
1976 | ||
1977 | switch (st->codec->codec_type) { | |
1978 | case AVMEDIA_TYPE_VIDEO: | |
1979 | prefix = 'v'; | |
1980 | flags |= AV_OPT_FLAG_VIDEO_PARAM; | |
1981 | break; | |
1982 | case AVMEDIA_TYPE_AUDIO: | |
1983 | prefix = 'a'; | |
1984 | flags |= AV_OPT_FLAG_AUDIO_PARAM; | |
1985 | break; | |
1986 | case AVMEDIA_TYPE_SUBTITLE: | |
1987 | prefix = 's'; | |
1988 | flags |= AV_OPT_FLAG_SUBTITLE_PARAM; | |
1989 | break; | |
1990 | } | |
1991 | ||
1992 | while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) { | |
1993 | char *p = strchr(t->key, ':'); | |
1994 | ||
1995 | /* check stream specification in opt name */ | |
1996 | if (p) | |
1997 | switch (check_stream_specifier(s, st, p + 1)) { | |
1998 | case 1: *p = 0; break; | |
1999 | case 0: continue; | |
f6fa7814 | 2000 | default: exit_program(1); |
2ba45a60 DM |
2001 | } |
2002 | ||
2003 | if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) || | |
2004 | !codec || | |
2005 | (codec->priv_class && | |
2006 | av_opt_find(&codec->priv_class, t->key, NULL, flags, | |
2007 | AV_OPT_SEARCH_FAKE_OBJ))) | |
2008 | av_dict_set(&ret, t->key, t->value, 0); | |
2009 | else if (t->key[0] == prefix && | |
2010 | av_opt_find(&cc, t->key + 1, NULL, flags, | |
2011 | AV_OPT_SEARCH_FAKE_OBJ)) | |
2012 | av_dict_set(&ret, t->key + 1, t->value, 0); | |
2013 | ||
2014 | if (p) | |
2015 | *p = ':'; | |
2016 | } | |
2017 | return ret; | |
2018 | } | |
2019 | ||
2020 | AVDictionary **setup_find_stream_info_opts(AVFormatContext *s, | |
2021 | AVDictionary *codec_opts) | |
2022 | { | |
2023 | int i; | |
2024 | AVDictionary **opts; | |
2025 | ||
2026 | if (!s->nb_streams) | |
2027 | return NULL; | |
2028 | opts = av_mallocz_array(s->nb_streams, sizeof(*opts)); | |
2029 | if (!opts) { | |
2030 | av_log(NULL, AV_LOG_ERROR, | |
2031 | "Could not alloc memory for stream options.\n"); | |
2032 | return NULL; | |
2033 | } | |
2034 | for (i = 0; i < s->nb_streams; i++) | |
2035 | opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id, | |
2036 | s, s->streams[i], NULL); | |
2037 | return opts; | |
2038 | } | |
2039 | ||
2040 | void *grow_array(void *array, int elem_size, int *size, int new_size) | |
2041 | { | |
2042 | if (new_size >= INT_MAX / elem_size) { | |
2043 | av_log(NULL, AV_LOG_ERROR, "Array too big.\n"); | |
2044 | exit_program(1); | |
2045 | } | |
2046 | if (*size < new_size) { | |
2047 | uint8_t *tmp = av_realloc(array, new_size*elem_size); | |
2048 | if (!tmp) { | |
2049 | av_log(NULL, AV_LOG_ERROR, "Could not alloc buffer.\n"); | |
2050 | exit_program(1); | |
2051 | } | |
2052 | memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size); | |
2053 | *size = new_size; | |
2054 | return tmp; | |
2055 | } | |
2056 | return array; | |
2057 | } | |
f6fa7814 DM |
2058 | |
2059 | #if CONFIG_AVDEVICE | |
2060 | static int print_device_sources(AVInputFormat *fmt, AVDictionary *opts) | |
2061 | { | |
2062 | int ret, i; | |
2063 | AVFormatContext *dev = NULL; | |
2064 | AVDeviceInfoList *device_list = NULL; | |
2065 | AVDictionary *tmp_opts = NULL; | |
2066 | ||
2067 | if (!fmt || !fmt->priv_class || !AV_IS_INPUT_DEVICE(fmt->priv_class->category)) | |
2068 | return AVERROR(EINVAL); | |
2069 | ||
2070 | printf("Audo-detected sources for %s:\n", fmt->name); | |
2071 | if (!fmt->get_device_list) { | |
2072 | ret = AVERROR(ENOSYS); | |
2073 | printf("Cannot list sources. Not implemented.\n"); | |
2074 | goto fail; | |
2075 | } | |
2076 | ||
2077 | /* TODO: avformat_open_input calls read_header callback which is not necessary. | |
2078 | Function like avformat_alloc_output_context2 for input could be helpful here. */ | |
2079 | av_dict_copy(&tmp_opts, opts, 0); | |
2080 | if ((ret = avformat_open_input(&dev, NULL, fmt, &tmp_opts)) < 0) { | |
2081 | printf("Cannot open device: %s.\n", fmt->name); | |
2082 | goto fail; | |
2083 | } | |
2084 | ||
2085 | if ((ret = avdevice_list_devices(dev, &device_list)) < 0) { | |
2086 | printf("Cannot list sources.\n"); | |
2087 | goto fail; | |
2088 | } | |
2089 | ||
2090 | for (i = 0; i < device_list->nb_devices; i++) { | |
2091 | printf("%s %s [%s]\n", device_list->default_device == i ? "*" : " ", | |
2092 | device_list->devices[i]->device_name, device_list->devices[i]->device_description); | |
2093 | } | |
2094 | ||
2095 | fail: | |
2096 | av_dict_free(&tmp_opts); | |
2097 | avdevice_free_list_devices(&device_list); | |
2098 | avformat_close_input(&dev); | |
2099 | return ret; | |
2100 | } | |
2101 | ||
2102 | static int print_device_sinks(AVOutputFormat *fmt, AVDictionary *opts) | |
2103 | { | |
2104 | int ret, i; | |
2105 | AVFormatContext *dev = NULL; | |
2106 | AVDeviceInfoList *device_list = NULL; | |
2107 | AVDictionary *tmp_opts = NULL; | |
2108 | ||
2109 | if (!fmt || !fmt->priv_class || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category)) | |
2110 | return AVERROR(EINVAL); | |
2111 | ||
2112 | printf("Audo-detected sinks for %s:\n", fmt->name); | |
2113 | if (!fmt->get_device_list) { | |
2114 | ret = AVERROR(ENOSYS); | |
2115 | printf("Cannot list sinks. Not implemented.\n"); | |
2116 | goto fail; | |
2117 | } | |
2118 | ||
2119 | if ((ret = avformat_alloc_output_context2(&dev, fmt, NULL, NULL)) < 0) { | |
2120 | printf("Cannot open device: %s.\n", fmt->name); | |
2121 | goto fail; | |
2122 | } | |
2123 | av_dict_copy(&tmp_opts, opts, 0); | |
2124 | av_opt_set_dict2(dev, &tmp_opts, AV_OPT_SEARCH_CHILDREN); | |
2125 | ||
2126 | if ((ret = avdevice_list_devices(dev, &device_list)) < 0) { | |
2127 | printf("Cannot list sinks.\n"); | |
2128 | goto fail; | |
2129 | } | |
2130 | ||
2131 | for (i = 0; i < device_list->nb_devices; i++) { | |
2132 | printf("%s %s [%s]\n", device_list->default_device == i ? "*" : " ", | |
2133 | device_list->devices[i]->device_name, device_list->devices[i]->device_description); | |
2134 | } | |
2135 | ||
2136 | fail: | |
2137 | av_dict_free(&tmp_opts); | |
2138 | avdevice_free_list_devices(&device_list); | |
2139 | avformat_free_context(dev); | |
2140 | return ret; | |
2141 | } | |
2142 | ||
2143 | static int show_sinks_sources_parse_arg(const char *arg, char **dev, AVDictionary **opts) | |
2144 | { | |
2145 | int ret; | |
2146 | if (arg) { | |
2147 | char *opts_str = NULL; | |
2148 | av_assert0(dev && opts); | |
2149 | *dev = av_strdup(arg); | |
2150 | if (!*dev) | |
2151 | return AVERROR(ENOMEM); | |
2152 | if ((opts_str = strchr(*dev, ','))) { | |
2153 | *(opts_str++) = '\0'; | |
2154 | if (opts_str[0] && ((ret = av_dict_parse_string(opts, opts_str, "=", ":", 0)) < 0)) { | |
2155 | av_freep(dev); | |
2156 | return ret; | |
2157 | } | |
2158 | } | |
2159 | } else | |
2160 | printf("\nDevice name is not provided.\n" | |
2161 | "You can pass devicename[,opt1=val1[,opt2=val2...]] as an argument.\n\n"); | |
2162 | return 0; | |
2163 | } | |
2164 | ||
2165 | int show_sources(void *optctx, const char *opt, const char *arg) | |
2166 | { | |
2167 | AVInputFormat *fmt = NULL; | |
2168 | char *dev = NULL; | |
2169 | AVDictionary *opts = NULL; | |
2170 | int ret = 0; | |
2171 | int error_level = av_log_get_level(); | |
2172 | ||
2173 | av_log_set_level(AV_LOG_ERROR); | |
2174 | ||
2175 | if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0) | |
2176 | goto fail; | |
2177 | ||
2178 | do { | |
2179 | fmt = av_input_audio_device_next(fmt); | |
2180 | if (fmt) { | |
2181 | if (!strcmp(fmt->name, "lavfi")) | |
2182 | continue; //it's pointless to probe lavfi | |
2183 | if (dev && strcmp(fmt->name, dev)) | |
2184 | continue; | |
2185 | print_device_sources(fmt, opts); | |
2186 | } | |
2187 | } while (fmt); | |
2188 | do { | |
2189 | fmt = av_input_video_device_next(fmt); | |
2190 | if (fmt) { | |
2191 | if (dev && strcmp(fmt->name, dev)) | |
2192 | continue; | |
2193 | print_device_sources(fmt, opts); | |
2194 | } | |
2195 | } while (fmt); | |
2196 | fail: | |
2197 | av_dict_free(&opts); | |
2198 | av_free(dev); | |
2199 | av_log_set_level(error_level); | |
2200 | return ret; | |
2201 | } | |
2202 | ||
2203 | int show_sinks(void *optctx, const char *opt, const char *arg) | |
2204 | { | |
2205 | AVOutputFormat *fmt = NULL; | |
2206 | char *dev = NULL; | |
2207 | AVDictionary *opts = NULL; | |
2208 | int ret = 0; | |
2209 | int error_level = av_log_get_level(); | |
2210 | ||
2211 | av_log_set_level(AV_LOG_ERROR); | |
2212 | ||
2213 | if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0) | |
2214 | goto fail; | |
2215 | ||
2216 | do { | |
2217 | fmt = av_output_audio_device_next(fmt); | |
2218 | if (fmt) { | |
2219 | if (dev && strcmp(fmt->name, dev)) | |
2220 | continue; | |
2221 | print_device_sinks(fmt, opts); | |
2222 | } | |
2223 | } while (fmt); | |
2224 | do { | |
2225 | fmt = av_output_video_device_next(fmt); | |
2226 | if (fmt) { | |
2227 | if (dev && strcmp(fmt->name, dev)) | |
2228 | continue; | |
2229 | print_device_sinks(fmt, opts); | |
2230 | } | |
2231 | } while (fmt); | |
2232 | fail: | |
2233 | av_dict_free(&opts); | |
2234 | av_free(dev); | |
2235 | av_log_set_level(error_level); | |
2236 | return ret; | |
2237 | } | |
2238 | #endif |