2 * Various utilities for command line tools
3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
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. */
32 #include "compat/va_copy.h"
33 #include "libavformat/avformat.h"
34 #include "libavfilter/avfilter.h"
35 #include "libavdevice/avdevice.h"
36 #include "libavresample/avresample.h"
37 #include "libswscale/swscale.h"
38 #include "libswresample/swresample.h"
40 #include "libpostproc/postprocess.h"
42 #include "libavutil/avassert.h"
43 #include "libavutil/avstring.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"
54 #include "libavformat/network.h"
56 #if HAVE_SYS_RESOURCE_H
58 #include <sys/resource.h>
61 struct SwsContext *sws_opts;
63 AVDictionary *format_opts, *codec_opts;
65 const int this_year = 2012;
67 static FILE *report_file;
73 sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC,
77 swr_opts = swr_alloc();
80 void uninit_opts(void)
83 sws_freeContext(sws_opts);
90 av_dict_free(&format_opts);
91 av_dict_free(&codec_opts);
94 void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
96 vfprintf(stdout, fmt, vl);
99 static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl)
103 static int print_prefix = 1;
106 av_log_default_callback(ptr, level, fmt, vl);
107 av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
109 fputs(line, report_file);
113 double parse_number_or_die(const char *context, const char *numstr, int type,
114 double min, double max)
118 double d = av_strtod(numstr, &tail);
120 error = "Expected number for %s but found: %s\n";
121 else if (d < min || d > max)
122 error = "The value for %s was %s which is not within %f - %f\n";
123 else if (type == OPT_INT64 && (int64_t)d != d)
124 error = "Expected int64 for %s but found %s\n";
125 else if (type == OPT_INT && (int)d != d)
126 error = "Expected int for %s but found %s\n";
129 av_log(NULL, AV_LOG_FATAL, error, context, numstr, min, max);
134 int64_t parse_time_or_die(const char *context, const char *timestr,
138 if (av_parse_time(&us, timestr, is_duration) < 0) {
139 av_log(NULL, AV_LOG_FATAL, "Invalid %s specification for %s: %s\n",
140 is_duration ? "duration" : "date", context, timestr);
146 void show_help_options(const OptionDef *options, const char *msg, int req_flags,
147 int rej_flags, int alt_flags)
153 for (po = options; po->name != NULL; po++) {
156 if (((po->flags & req_flags) != req_flags) ||
157 (alt_flags && !(po->flags & alt_flags)) ||
158 (po->flags & rej_flags))
165 av_strlcpy(buf, po->name, sizeof(buf));
167 av_strlcat(buf, " ", sizeof(buf));
168 av_strlcat(buf, po->argname, sizeof(buf));
170 printf("-%-17s %s\n", buf, po->help);
175 void show_help_children(const AVClass *class, int flags)
177 const AVClass *child = NULL;
179 av_opt_show2(&class, NULL, flags, 0);
183 while (child = av_opt_child_class_next(class, child))
184 show_help_children(child, flags);
187 static const OptionDef *find_option(const OptionDef *po, const char *name)
189 const char *p = strchr(name, ':');
190 int len = p ? p - name : strlen(name);
192 while (po->name != NULL) {
193 if (!strncmp(name, po->name, len) && strlen(po->name) == len)
200 #if defined(_WIN32) && !defined(__MINGW32CE__)
202 #include <shellapi.h>
203 /* Will be leaked on exit */
204 static char** win32_argv_utf8 = NULL;
205 static int win32_argc = 0;
208 * Prepare command line arguments for executable.
209 * For Windows - perform wide-char to UTF-8 conversion.
210 * Input arguments should be main() function arguments.
211 * @param argc_ptr Arguments number (including executable)
212 * @param argv_ptr Arguments list.
214 static void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
218 int i, buffsize = 0, offset = 0;
220 if (win32_argv_utf8) {
221 *argc_ptr = win32_argc;
222 *argv_ptr = win32_argv_utf8;
227 argv_w = CommandLineToArgvW(GetCommandLineW(), &win32_argc);
228 if (win32_argc <= 0 || !argv_w)
231 /* determine the UTF-8 buffer size (including NULL-termination symbols) */
232 for (i = 0; i < win32_argc; i++)
233 buffsize += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
234 NULL, 0, NULL, NULL);
236 win32_argv_utf8 = av_mallocz(sizeof(char *) * (win32_argc + 1) + buffsize);
237 argstr_flat = (char *)win32_argv_utf8 + sizeof(char *) * (win32_argc + 1);
238 if (win32_argv_utf8 == NULL) {
243 for (i = 0; i < win32_argc; i++) {
244 win32_argv_utf8[i] = &argstr_flat[offset];
245 offset += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
246 &argstr_flat[offset],
247 buffsize - offset, NULL, NULL);
249 win32_argv_utf8[i] = NULL;
252 *argc_ptr = win32_argc;
253 *argv_ptr = win32_argv_utf8;
256 static inline void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
260 #endif /* WIN32 && !__MINGW32CE__ */
262 int parse_option(void *optctx, const char *opt, const char *arg,
263 const OptionDef *options)
270 po = find_option(options, opt);
271 if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
272 /* handle 'no' bool option */
273 po = find_option(options, opt + 2);
274 if ((po->name && (po->flags & OPT_BOOL)))
278 po = find_option(options, "default");
280 av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
281 return AVERROR(EINVAL);
283 if (po->flags & HAS_ARG && !arg) {
284 av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'\n", opt);
285 return AVERROR(EINVAL);
288 /* new-style options contain an offset into optctx, old-style address of
290 dst = po->flags & (OPT_OFFSET | OPT_SPEC) ? (uint8_t *)optctx + po->u.off
293 if (po->flags & OPT_SPEC) {
294 SpecifierOpt **so = dst;
295 char *p = strchr(opt, ':');
297 dstcount = (int *)(so + 1);
298 *so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1);
299 (*so)[*dstcount - 1].specifier = av_strdup(p ? p + 1 : "");
300 dst = &(*so)[*dstcount - 1].u;
303 if (po->flags & OPT_STRING) {
305 str = av_strdup(arg);
308 } else if (po->flags & OPT_BOOL) {
309 *(int *)dst = bool_val;
310 } else if (po->flags & OPT_INT) {
311 *(int *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
312 } else if (po->flags & OPT_INT64) {
313 *(int64_t *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
314 } else if (po->flags & OPT_TIME) {
315 *(int64_t *)dst = parse_time_or_die(opt, arg, 1);
316 } else if (po->flags & OPT_FLOAT) {
317 *(float *)dst = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);
318 } else if (po->flags & OPT_DOUBLE) {
319 *(double *)dst = parse_number_or_die(opt, arg, OPT_DOUBLE, -INFINITY, INFINITY);
320 } else if (po->u.func_arg) {
321 int ret = po->u.func_arg(optctx, opt, arg);
323 av_log(NULL, AV_LOG_ERROR,
324 "Failed to set value '%s' for option '%s'\n", arg, opt);
328 if (po->flags & OPT_EXIT)
330 return !!(po->flags & HAS_ARG);
333 void parse_options(void *optctx, int argc, char **argv, const OptionDef *options,
334 void (*parse_arg_function)(void *, const char*))
337 int optindex, handleoptions = 1, ret;
339 /* perform system-dependent conversions for arguments list */
340 prepare_app_arguments(&argc, &argv);
344 while (optindex < argc) {
345 opt = argv[optindex++];
347 if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
348 if (opt[1] == '-' && opt[2] == '\0') {
354 if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0)
358 if (parse_arg_function)
359 parse_arg_function(optctx, opt);
364 int locate_option(int argc, char **argv, const OptionDef *options,
370 for (i = 1; i < argc; i++) {
371 const char *cur_opt = argv[i];
373 if (*cur_opt++ != '-')
376 po = find_option(options, cur_opt);
377 if (!po->name && cur_opt[0] == 'n' && cur_opt[1] == 'o')
378 po = find_option(options, cur_opt + 2);
380 if ((!po->name && !strcmp(cur_opt, optname)) ||
381 (po->name && !strcmp(optname, po->name)))
384 if (po->flags & HAS_ARG)
390 static void dump_argument(const char *a)
392 const unsigned char *p;
395 if (!((*p >= '+' && *p <= ':') || (*p >= '@' && *p <= 'Z') ||
396 *p == '_' || (*p >= 'a' && *p <= 'z')))
399 fputs(a, report_file);
402 fputc('"', report_file);
403 for (p = a; *p; p++) {
404 if (*p == '\\' || *p == '"' || *p == '$' || *p == '`')
405 fprintf(report_file, "\\%c", *p);
406 else if (*p < ' ' || *p > '~')
407 fprintf(report_file, "\\x%02x", *p);
409 fputc(*p, report_file);
411 fputc('"', report_file);
414 void parse_loglevel(int argc, char **argv, const OptionDef *options)
416 int idx = locate_option(argc, argv, options, "loglevel");
418 idx = locate_option(argc, argv, options, "v");
419 if (idx && argv[idx + 1])
420 opt_loglevel(NULL, "loglevel", argv[idx + 1]);
421 idx = locate_option(argc, argv, options, "report");
422 if (idx || getenv("FFREPORT")) {
423 opt_report("report");
426 fprintf(report_file, "Command line:\n");
427 for (i = 0; i < argc; i++) {
428 dump_argument(argv[i]);
429 fputc(i < argc - 1 ? ' ' : '\n', report_file);
436 #define FLAGS (o->type == AV_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0
437 int opt_default(void *optctx, const char *opt, const char *arg)
441 char opt_stripped[128];
443 const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class();
444 const AVClass *sc, *swr_class;
446 if (!(p = strchr(opt, ':')))
447 p = opt + strlen(opt);
448 av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1));
450 if ((o = av_opt_find(&cc, opt_stripped, NULL, 0,
451 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) ||
452 ((opt[0] == 'v' || opt[0] == 'a' || opt[0] == 's') &&
453 (o = av_opt_find(&cc, opt + 1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)))) {
454 av_dict_set(&codec_opts, opt, arg, FLAGS);
457 if ((o = av_opt_find(&fc, opt, NULL, 0,
458 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
459 av_dict_set(&format_opts, opt, arg, FLAGS);
461 av_log(NULL, AV_LOG_VERBOSE, "Routing %s to codec and muxer layer\n", opt);
465 sc = sws_get_class();
466 if (!consumed && av_opt_find(&sc, opt, NULL, 0,
467 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) {
468 // XXX we only support sws_flags, not arbitrary sws options
469 int ret = av_opt_set(sws_opts, opt, arg, 0);
471 av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
477 #if CONFIG_SWRESAMPLE
478 swr_class = swr_get_class();
479 if (!consumed && av_opt_find(&swr_class, opt, NULL, 0,
480 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) {
481 int ret = av_opt_set(swr_opts, opt, arg, 0);
483 av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
492 av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
493 return AVERROR_OPTION_NOT_FOUND;
496 int opt_loglevel(void *optctx, const char *opt, const char *arg)
498 const struct { const char *name; int level; } log_levels[] = {
499 { "quiet" , AV_LOG_QUIET },
500 { "panic" , AV_LOG_PANIC },
501 { "fatal" , AV_LOG_FATAL },
502 { "error" , AV_LOG_ERROR },
503 { "warning", AV_LOG_WARNING },
504 { "info" , AV_LOG_INFO },
505 { "verbose", AV_LOG_VERBOSE },
506 { "debug" , AV_LOG_DEBUG },
512 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
513 if (!strcmp(log_levels[i].name, arg)) {
514 av_log_set_level(log_levels[i].level);
519 level = strtol(arg, &tail, 10);
521 av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". "
522 "Possible levels are numbers or:\n", arg);
523 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
524 av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name);
527 av_log_set_level(level);
531 int opt_report_file(void *optctx, const char *opt, const char *arg)
533 report_file = fopen(arg, "w");
535 av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
536 arg, strerror(errno));
537 return AVERROR(errno);
542 int opt_report(const char *opt)
548 if (report_file) /* already opened */
551 tm = localtime(&now);
552 snprintf(filename, sizeof(filename), "%s-%04d%02d%02d-%02d%02d%02d.log",
554 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
555 tm->tm_hour, tm->tm_min, tm->tm_sec);
556 report_file = fopen(filename, "w");
558 av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
559 filename, strerror(errno));
560 return AVERROR(errno);
562 av_log_set_callback(log_callback_report);
563 av_log(NULL, AV_LOG_INFO,
564 "%s started on %04d-%02d-%02d at %02d:%02d:%02d\n"
565 "Report written to \"%s\"\n",
567 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
568 tm->tm_hour, tm->tm_min, tm->tm_sec,
570 av_log_set_level(FFMAX(av_log_get_level(), AV_LOG_VERBOSE));
574 int opt_max_alloc(void *optctx, const char *opt, const char *arg)
579 max = strtol(arg, &tail, 10);
581 av_log(NULL, AV_LOG_FATAL, "Invalid max_alloc \"%s\".\n", arg);
588 int opt_cpuflags(void *optctx, const char *opt, const char *arg)
591 unsigned flags = av_get_cpu_flags();
593 if ((ret = av_parse_cpu_caps(&flags, arg)) < 0)
596 av_force_cpu_flags(flags);
600 int opt_codec_debug(void *optctx, const char *opt, const char *arg)
602 av_log_set_level(AV_LOG_DEBUG);
603 return opt_default(NULL, opt, arg);
606 int opt_timelimit(void *optctx, const char *opt, const char *arg)
609 int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
610 struct rlimit rl = { lim, lim + 1 };
611 if (setrlimit(RLIMIT_CPU, &rl))
614 av_log(NULL, AV_LOG_WARNING, "-%s not implemented on this OS\n", opt);
619 void print_error(const char *filename, int err)
622 const char *errbuf_ptr = errbuf;
624 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
625 errbuf_ptr = strerror(AVUNERROR(err));
626 av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, errbuf_ptr);
629 static int warned_cfg = 0;
632 #define SHOW_VERSION 2
633 #define SHOW_CONFIG 4
634 #define SHOW_COPYRIGHT 8
636 #define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \
637 if (CONFIG_##LIBNAME) { \
638 const char *indent = flags & INDENT? " " : ""; \
639 if (flags & SHOW_VERSION) { \
640 unsigned int version = libname##_version(); \
641 av_log(NULL, level, \
642 "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \
644 LIB##LIBNAME##_VERSION_MAJOR, \
645 LIB##LIBNAME##_VERSION_MINOR, \
646 LIB##LIBNAME##_VERSION_MICRO, \
647 version >> 16, version >> 8 & 0xff, version & 0xff); \
649 if (flags & SHOW_CONFIG) { \
650 const char *cfg = libname##_configuration(); \
651 if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \
653 av_log(NULL, level, \
654 "%sWARNING: library configuration mismatch\n", \
658 av_log(NULL, level, "%s%-11s configuration: %s\n", \
659 indent, #libname, cfg); \
664 static void print_all_libs_info(int flags, int level)
666 PRINT_LIB_INFO(avutil, AVUTIL, flags, level);
667 PRINT_LIB_INFO(avcodec, AVCODEC, flags, level);
668 PRINT_LIB_INFO(avformat, AVFORMAT, flags, level);
669 PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
670 PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
671 // PRINT_LIB_INFO(avresample, AVRESAMPLE, flags, level);
672 PRINT_LIB_INFO(swscale, SWSCALE, flags, level);
673 PRINT_LIB_INFO(swresample,SWRESAMPLE, flags, level);
675 PRINT_LIB_INFO(postproc, POSTPROC, flags, level);
679 static void print_program_info(int flags, int level)
681 const char *indent = flags & INDENT? " " : "";
683 av_log(NULL, level, "%s version " FFMPEG_VERSION, program_name);
684 if (flags & SHOW_COPYRIGHT)
685 av_log(NULL, level, " Copyright (c) %d-%d the FFmpeg developers",
686 program_birth_year, this_year);
687 av_log(NULL, level, "\n");
688 av_log(NULL, level, "%sbuilt on %s %s with %s\n",
689 indent, __DATE__, __TIME__, CC_IDENT);
691 av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent);
694 void show_banner(int argc, char **argv, const OptionDef *options)
696 int idx = locate_option(argc, argv, options, "version");
700 print_program_info (INDENT|SHOW_COPYRIGHT, AV_LOG_INFO);
701 print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_INFO);
702 print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_INFO);
705 int show_version(void *optctx, const char *opt, const char *arg)
707 av_log_set_callback(log_callback_help);
708 print_program_info (0 , AV_LOG_INFO);
709 print_all_libs_info(SHOW_VERSION, AV_LOG_INFO);
714 int show_license(void *optctx, const char *opt, const char *arg)
718 "This version of %s has nonfree parts compiled in.\n"
719 "Therefore it is not legally redistributable.\n",
723 "%s is free software; you can redistribute it and/or modify\n"
724 "it under the terms of the GNU General Public License as published by\n"
725 "the Free Software Foundation; either version 3 of the License, or\n"
726 "(at your option) any later version.\n"
728 "%s is distributed in the hope that it will be useful,\n"
729 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
730 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
731 "GNU General Public License for more details.\n"
733 "You should have received a copy of the GNU General Public License\n"
734 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
735 program_name, program_name, program_name );
738 "%s is free software; you can redistribute it and/or modify\n"
739 "it under the terms of the GNU General Public License as published by\n"
740 "the Free Software Foundation; either version 2 of the License, or\n"
741 "(at your option) any later version.\n"
743 "%s is distributed in the hope that it will be useful,\n"
744 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
745 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
746 "GNU General Public License for more details.\n"
748 "You should have received a copy of the GNU General Public License\n"
749 "along with %s; if not, write to the Free Software\n"
750 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
751 program_name, program_name, program_name );
754 "%s is free software; you can redistribute it and/or modify\n"
755 "it under the terms of the GNU Lesser General Public License as published by\n"
756 "the Free Software Foundation; either version 3 of the License, or\n"
757 "(at your option) any later version.\n"
759 "%s is distributed in the hope that it will be useful,\n"
760 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
761 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
762 "GNU Lesser General Public License for more details.\n"
764 "You should have received a copy of the GNU Lesser General Public License\n"
765 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
766 program_name, program_name, program_name );
769 "%s is free software; you can redistribute it and/or\n"
770 "modify it under the terms of the GNU Lesser General Public\n"
771 "License as published by the Free Software Foundation; either\n"
772 "version 2.1 of the License, or (at your option) any later version.\n"
774 "%s is distributed in the hope that it will be useful,\n"
775 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
776 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
777 "Lesser General Public License for more details.\n"
779 "You should have received a copy of the GNU Lesser General Public\n"
780 "License along with %s; if not, write to the Free Software\n"
781 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
782 program_name, program_name, program_name );
788 int show_formats(void *optctx, const char *opt, const char *arg)
790 AVInputFormat *ifmt = NULL;
791 AVOutputFormat *ofmt = NULL;
792 const char *last_name;
794 printf("File formats:\n"
795 " D. = Demuxing supported\n"
796 " .E = Muxing supported\n"
802 const char *name = NULL;
803 const char *long_name = NULL;
805 while ((ofmt = av_oformat_next(ofmt))) {
806 if ((name == NULL || strcmp(ofmt->name, name) < 0) &&
807 strcmp(ofmt->name, last_name) > 0) {
809 long_name = ofmt->long_name;
813 while ((ifmt = av_iformat_next(ifmt))) {
814 if ((name == NULL || strcmp(ifmt->name, name) < 0) &&
815 strcmp(ifmt->name, last_name) > 0) {
817 long_name = ifmt->long_name;
820 if (name && strcmp(ifmt->name, name) == 0)
827 printf(" %s%s %-15s %s\n",
831 long_name ? long_name:" ");
836 #define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \
837 if (codec->field) { \
838 const type *p = c->field; \
840 printf(" Supported " list_name ":"); \
841 while (*p != term) { \
843 printf(" %s", name); \
849 static void print_codec(const AVCodec *c)
851 int encoder = av_codec_is_encoder(c);
853 printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name,
854 c->long_name ? c->long_name : "");
856 if (c->type == AVMEDIA_TYPE_VIDEO) {
857 printf(" Threading capabilities: ");
858 switch (c->capabilities & (CODEC_CAP_FRAME_THREADS |
859 CODEC_CAP_SLICE_THREADS)) {
860 case CODEC_CAP_FRAME_THREADS |
861 CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break;
862 case CODEC_CAP_FRAME_THREADS: printf("frame"); break;
863 case CODEC_CAP_SLICE_THREADS: printf("slice"); break;
864 default: printf("no"); break;
869 if (c->supported_framerates) {
870 const AVRational *fps = c->supported_framerates;
872 printf(" Supported framerates:");
874 printf(" %d/%d", fps->num, fps->den);
879 PRINT_CODEC_SUPPORTED(c, pix_fmts, enum AVPixelFormat, "pixel formats",
880 AV_PIX_FMT_NONE, GET_PIX_FMT_NAME);
881 PRINT_CODEC_SUPPORTED(c, supported_samplerates, int, "sample rates", 0,
882 GET_SAMPLE_RATE_NAME);
883 PRINT_CODEC_SUPPORTED(c, sample_fmts, enum AVSampleFormat, "sample formats",
884 AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME);
885 PRINT_CODEC_SUPPORTED(c, channel_layouts, uint64_t, "channel layouts",
886 0, GET_CH_LAYOUT_DESC);
889 show_help_children(c->priv_class,
890 AV_OPT_FLAG_ENCODING_PARAM |
891 AV_OPT_FLAG_DECODING_PARAM);
895 static char get_media_type_char(enum AVMediaType type)
898 case AVMEDIA_TYPE_VIDEO: return 'V';
899 case AVMEDIA_TYPE_AUDIO: return 'A';
900 case AVMEDIA_TYPE_DATA: return 'D';
901 case AVMEDIA_TYPE_SUBTITLE: return 'S';
902 case AVMEDIA_TYPE_ATTACHMENT:return 'T';
907 static const AVCodec *next_codec_for_id(enum AVCodecID id, const AVCodec *prev,
910 while ((prev = av_codec_next(prev))) {
911 if (prev->id == id &&
912 (encoder ? av_codec_is_encoder(prev) : av_codec_is_decoder(prev)))
918 static int compare_codec_desc(const void *a, const void *b)
920 const AVCodecDescriptor * const *da = a;
921 const AVCodecDescriptor * const *db = b;
923 return (*da)->type != (*db)->type ? (*da)->type - (*db)->type :
924 strcmp((*da)->name, (*db)->name);
927 static unsigned get_codecs_sorted(const AVCodecDescriptor ***rcodecs)
929 const AVCodecDescriptor *desc = NULL;
930 const AVCodecDescriptor **codecs;
931 unsigned nb_codecs = 0, i = 0;
933 while ((desc = avcodec_descriptor_next(desc)))
935 if (!(codecs = av_calloc(nb_codecs, sizeof(*codecs)))) {
936 av_log(0, AV_LOG_ERROR, "Out of memory\n");
940 while ((desc = avcodec_descriptor_next(desc)))
942 av_assert0(i == nb_codecs);
943 qsort(codecs, nb_codecs, sizeof(*codecs), compare_codec_desc);
948 static void print_codecs_for_id(enum AVCodecID id, int encoder)
950 const AVCodec *codec = NULL;
952 printf(" (%s: ", encoder ? "encoders" : "decoders");
954 while ((codec = next_codec_for_id(id, codec, encoder)))
955 printf("%s ", codec->name);
960 int show_codecs(void *optctx, const char *opt, const char *arg)
962 const AVCodecDescriptor **codecs;
963 unsigned i, nb_codecs = get_codecs_sorted(&codecs);
966 " D..... = Decoding supported\n"
967 " .E.... = Encoding supported\n"
968 " ..V... = Video codec\n"
969 " ..A... = Audio codec\n"
970 " ..S... = Subtitle codec\n"
971 " ...I.. = Intra frame-only codec\n"
972 " ....L. = Lossy compression\n"
973 " .....S = Lossless compression\n"
975 for (i = 0; i < nb_codecs; i++) {
976 const AVCodecDescriptor *desc = codecs[i];
977 const AVCodec *codec = NULL;
980 printf(avcodec_find_decoder(desc->id) ? "D" : ".");
981 printf(avcodec_find_encoder(desc->id) ? "E" : ".");
983 printf("%c", get_media_type_char(desc->type));
984 printf((desc->props & AV_CODEC_PROP_INTRA_ONLY) ? "I" : ".");
985 printf((desc->props & AV_CODEC_PROP_LOSSY) ? "L" : ".");
986 printf((desc->props & AV_CODEC_PROP_LOSSLESS) ? "S" : ".");
988 printf(" %-20s %s", desc->name, desc->long_name ? desc->long_name : "");
990 /* print decoders/encoders when there's more than one or their
991 * names are different from codec name */
992 while ((codec = next_codec_for_id(desc->id, codec, 0))) {
993 if (strcmp(codec->name, desc->name)) {
994 print_codecs_for_id(desc->id, 0);
999 while ((codec = next_codec_for_id(desc->id, codec, 1))) {
1000 if (strcmp(codec->name, desc->name)) {
1001 print_codecs_for_id(desc->id, 1);
1012 static void print_codecs(int encoder)
1014 const AVCodecDescriptor **codecs;
1015 unsigned i, nb_codecs = get_codecs_sorted(&codecs);
1020 " S..... = Subtitle\n"
1021 " .F.... = Frame-level multithreading\n"
1022 " ..S... = Slice-level multithreading\n"
1023 " ...X.. = Codec is experimental\n"
1024 " ....B. = Supports draw_horiz_band\n"
1025 " .....D = Supports direct rendering method 1\n"
1027 encoder ? "Encoders" : "Decoders");
1028 for (i = 0; i < nb_codecs; i++) {
1029 const AVCodecDescriptor *desc = codecs[i];
1030 const AVCodec *codec = NULL;
1032 while ((codec = next_codec_for_id(desc->id, codec, encoder))) {
1033 printf(" %c", get_media_type_char(desc->type));
1034 printf((codec->capabilities & CODEC_CAP_FRAME_THREADS) ? "F" : ".");
1035 printf((codec->capabilities & CODEC_CAP_SLICE_THREADS) ? "S" : ".");
1036 printf((codec->capabilities & CODEC_CAP_EXPERIMENTAL) ? "X" : ".");
1037 printf((codec->capabilities & CODEC_CAP_DRAW_HORIZ_BAND)?"B" : ".");
1038 printf((codec->capabilities & CODEC_CAP_DR1) ? "D" : ".");
1040 printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : "");
1041 if (strcmp(codec->name, desc->name))
1042 printf(" (codec %s)", desc->name);
1050 int show_decoders(void *optctx, const char *opt, const char *arg)
1056 int show_encoders(void *optctx, const char *opt, const char *arg)
1062 int show_bsfs(void *optctx, const char *opt, const char *arg)
1064 AVBitStreamFilter *bsf = NULL;
1066 printf("Bitstream filters:\n");
1067 while ((bsf = av_bitstream_filter_next(bsf)))
1068 printf("%s\n", bsf->name);
1073 int show_protocols(void *optctx, const char *opt, const char *arg)
1075 void *opaque = NULL;
1078 printf("Supported file protocols:\n"
1080 while ((name = avio_enum_protocols(&opaque, 0)))
1081 printf("%s\n", name);
1082 printf("Output:\n");
1083 while ((name = avio_enum_protocols(&opaque, 1)))
1084 printf("%s\n", name);
1088 int show_filters(void *optctx, const char *opt, const char *arg)
1090 AVFilter av_unused(**filter) = NULL;
1091 char descr[64], *descr_cur;
1093 const AVFilterPad *pad;
1095 printf("Filters:\n");
1097 while ((filter = av_filter_next(filter)) && *filter) {
1099 for (i = 0; i < 2; i++) {
1101 *(descr_cur++) = '-';
1102 *(descr_cur++) = '>';
1104 pad = i ? (*filter)->outputs : (*filter)->inputs;
1105 for (j = 0; pad && pad[j].name; j++) {
1106 if (descr_cur >= descr + sizeof(descr) - 4)
1108 *(descr_cur++) = get_media_type_char(pad[j].type);
1111 *(descr_cur++) = '|';
1114 printf("%-16s %-10s %s\n", (*filter)->name, descr, (*filter)->description);
1120 int show_pix_fmts(void *optctx, const char *opt, const char *arg)
1122 const AVPixFmtDescriptor *pix_desc = NULL;
1124 printf("Pixel formats:\n"
1125 "I.... = Supported Input format for conversion\n"
1126 ".O... = Supported Output format for conversion\n"
1127 "..H.. = Hardware accelerated format\n"
1128 "...P. = Paletted format\n"
1129 "....B = Bitstream format\n"
1130 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
1134 # define sws_isSupportedInput(x) 0
1135 # define sws_isSupportedOutput(x) 0
1138 while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) {
1139 enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
1142 printf("%c%c%c%c%c %-16s %d %2d\n",
1143 sws_isSupportedInput (pix_fmt) ? 'I' : '.',
1144 sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
1145 pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.',
1146 pix_desc->flags & PIX_FMT_PAL ? 'P' : '.',
1147 pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
1149 pix_desc->nb_components,
1150 av_get_bits_per_pixel(pix_desc));
1155 int show_layouts(void *optctx, const char *opt, const char *arg)
1159 const char *name, *descr;
1161 printf("Individual channels:\n"
1162 "NAME DESCRIPTION\n");
1163 for (i = 0; i < 63; i++) {
1164 name = av_get_channel_name((uint64_t)1 << i);
1167 descr = av_get_channel_description((uint64_t)1 << i);
1168 printf("%-12s%s\n", name, descr);
1170 printf("\nStandard channel layouts:\n"
1171 "NAME DECOMPOSITION\n");
1172 for (i = 0; !av_get_standard_channel_layout(i, &layout, &name); i++) {
1174 printf("%-12s", name);
1175 for (j = 1; j; j <<= 1)
1177 printf("%s%s", (layout & (j - 1)) ? "+" : "", av_get_channel_name(j));
1184 int show_sample_fmts(void *optctx, const char *opt, const char *arg)
1188 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
1189 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
1193 static void show_help_codec(const char *name, int encoder)
1195 const AVCodecDescriptor *desc;
1196 const AVCodec *codec;
1199 av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n");
1203 codec = encoder ? avcodec_find_encoder_by_name(name) :
1204 avcodec_find_decoder_by_name(name);
1208 else if ((desc = avcodec_descriptor_get_by_name(name))) {
1211 while ((codec = next_codec_for_id(desc->id, codec, encoder))) {
1217 av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, "
1218 "but no %s for it are available. FFmpeg might need to be "
1219 "recompiled with additional external libraries.\n",
1220 name, encoder ? "encoders" : "decoders");
1223 av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n",
1228 static void show_help_demuxer(const char *name)
1230 const AVInputFormat *fmt = av_find_input_format(name);
1233 av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
1237 printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name);
1239 if (fmt->extensions)
1240 printf(" Common extensions: %s.\n", fmt->extensions);
1242 if (fmt->priv_class)
1243 show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM);
1246 static void show_help_muxer(const char *name)
1248 const AVCodecDescriptor *desc;
1249 const AVOutputFormat *fmt = av_guess_format(name, NULL, NULL);
1252 av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
1256 printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name);
1258 if (fmt->extensions)
1259 printf(" Common extensions: %s.\n", fmt->extensions);
1261 printf(" Mime type: %s.\n", fmt->mime_type);
1262 if (fmt->video_codec != AV_CODEC_ID_NONE &&
1263 (desc = avcodec_descriptor_get(fmt->video_codec))) {
1264 printf(" Default video codec: %s.\n", desc->name);
1266 if (fmt->audio_codec != AV_CODEC_ID_NONE &&
1267 (desc = avcodec_descriptor_get(fmt->audio_codec))) {
1268 printf(" Default audio codec: %s.\n", desc->name);
1270 if (fmt->subtitle_codec != AV_CODEC_ID_NONE &&
1271 (desc = avcodec_descriptor_get(fmt->subtitle_codec))) {
1272 printf(" Default subtitle codec: %s.\n", desc->name);
1275 if (fmt->priv_class)
1276 show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM);
1279 int show_help(void *optctx, const char *opt, const char *arg)
1282 av_log_set_callback(log_callback_help);
1284 topic = av_strdup(arg ? arg : "");
1285 par = strchr(topic, '=');
1290 show_help_default(topic, par);
1291 } else if (!strcmp(topic, "decoder")) {
1292 show_help_codec(par, 0);
1293 } else if (!strcmp(topic, "encoder")) {
1294 show_help_codec(par, 1);
1295 } else if (!strcmp(topic, "demuxer")) {
1296 show_help_demuxer(par);
1297 } else if (!strcmp(topic, "muxer")) {
1298 show_help_muxer(par);
1300 show_help_default(topic, par);
1307 int read_yesno(void)
1310 int yesno = (toupper(c) == 'Y');
1312 while (c != '\n' && c != EOF)
1318 int cmdutils_read_file(const char *filename, char **bufptr, size_t *size)
1321 FILE *f = fopen(filename, "rb");
1324 av_log(NULL, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename,
1326 return AVERROR(errno);
1328 fseek(f, 0, SEEK_END);
1330 fseek(f, 0, SEEK_SET);
1331 if (*size == (size_t)-1) {
1332 av_log(NULL, AV_LOG_ERROR, "IO error: %s\n", strerror(errno));
1334 return AVERROR(errno);
1336 *bufptr = av_malloc(*size + 1);
1338 av_log(NULL, AV_LOG_ERROR, "Could not allocate file buffer\n");
1340 return AVERROR(ENOMEM);
1342 ret = fread(*bufptr, 1, *size, f);
1346 av_log(NULL, AV_LOG_ERROR, "Error while reading file '%s': %s\n",
1347 filename, strerror(errno));
1348 ret = AVERROR(errno);
1353 (*bufptr)[(*size)++] = '\0';
1360 FILE *get_preset_file(char *filename, size_t filename_size,
1361 const char *preset_name, int is_path,
1362 const char *codec_name)
1366 const char *base[3] = { getenv("FFMPEG_DATADIR"),
1371 av_strlcpy(filename, preset_name, filename_size);
1372 f = fopen(filename, "r");
1375 char datadir[MAX_PATH], *ls;
1378 if (GetModuleFileNameA(GetModuleHandleA(NULL), datadir, sizeof(datadir) - 1))
1380 for (ls = datadir; ls < datadir + strlen(datadir); ls++)
1381 if (*ls == '\\') *ls = '/';
1383 if (ls = strrchr(datadir, '/'))
1386 strncat(datadir, "/ffpresets", sizeof(datadir) - 1 - strlen(datadir));
1391 for (i = 0; i < 3 && !f; i++) {
1394 snprintf(filename, filename_size, "%s%s/%s.ffpreset", base[i],
1395 i != 1 ? "" : "/.ffmpeg", preset_name);
1396 f = fopen(filename, "r");
1397 if (!f && codec_name) {
1398 snprintf(filename, filename_size,
1399 "%s%s/%s-%s.ffpreset",
1400 base[i], i != 1 ? "" : "/.ffmpeg", codec_name,
1402 f = fopen(filename, "r");
1410 int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
1412 int ret = avformat_match_stream_specifier(s, st, spec);
1414 av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec);
1418 AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
1419 AVFormatContext *s, AVStream *st, AVCodec *codec)
1421 AVDictionary *ret = NULL;
1422 AVDictionaryEntry *t = NULL;
1423 int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM
1424 : AV_OPT_FLAG_DECODING_PARAM;
1426 const AVClass *cc = avcodec_get_class();
1429 codec = s->oformat ? avcodec_find_encoder(codec_id)
1430 : avcodec_find_decoder(codec_id);
1434 switch (codec->type) {
1435 case AVMEDIA_TYPE_VIDEO:
1437 flags |= AV_OPT_FLAG_VIDEO_PARAM;
1439 case AVMEDIA_TYPE_AUDIO:
1441 flags |= AV_OPT_FLAG_AUDIO_PARAM;
1443 case AVMEDIA_TYPE_SUBTITLE:
1445 flags |= AV_OPT_FLAG_SUBTITLE_PARAM;
1449 while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) {
1450 char *p = strchr(t->key, ':');
1452 /* check stream specification in opt name */
1454 switch (check_stream_specifier(s, st, p + 1)) {
1455 case 1: *p = 0; break;
1457 default: return NULL;
1460 if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) ||
1461 (codec && codec->priv_class &&
1462 av_opt_find(&codec->priv_class, t->key, NULL, flags,
1463 AV_OPT_SEARCH_FAKE_OBJ)))
1464 av_dict_set(&ret, t->key, t->value, 0);
1465 else if (t->key[0] == prefix &&
1466 av_opt_find(&cc, t->key + 1, NULL, flags,
1467 AV_OPT_SEARCH_FAKE_OBJ))
1468 av_dict_set(&ret, t->key + 1, t->value, 0);
1476 AVDictionary **setup_find_stream_info_opts(AVFormatContext *s,
1477 AVDictionary *codec_opts)
1480 AVDictionary **opts;
1484 opts = av_mallocz(s->nb_streams * sizeof(*opts));
1486 av_log(NULL, AV_LOG_ERROR,
1487 "Could not alloc memory for stream options.\n");
1490 for (i = 0; i < s->nb_streams; i++)
1491 opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id,
1492 s, s->streams[i], NULL);
1496 void *grow_array(void *array, int elem_size, int *size, int new_size)
1498 if (new_size >= INT_MAX / elem_size) {
1499 av_log(NULL, AV_LOG_ERROR, "Array too big.\n");
1502 if (*size < new_size) {
1503 uint8_t *tmp = av_realloc(array, new_size*elem_size);
1505 av_log(NULL, AV_LOG_ERROR, "Could not alloc buffer.\n");
1508 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
1515 static int alloc_buffer(FrameBuffer **pool, AVCodecContext *s, FrameBuffer **pbuf)
1517 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
1521 int h_chroma_shift, v_chroma_shift;
1522 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
1523 int w = s->width, h = s->height;
1526 return AVERROR(EINVAL);
1527 pixel_size = desc->comp[0].step_minus1 + 1;
1529 buf = av_mallocz(sizeof(*buf));
1531 return AVERROR(ENOMEM);
1533 avcodec_align_dimensions(s, &w, &h);
1535 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
1540 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
1541 s->pix_fmt, 32)) < 0) {
1543 av_log(s, AV_LOG_ERROR, "alloc_buffer: av_image_alloc() failed\n");
1546 /* XXX this shouldn't be needed, but some tests break without this line
1547 * those decoders are buggy and need to be fixed.
1548 * the following tests fail:
1549 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
1551 memset(buf->base[0], 128, ret);
1553 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
1554 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
1555 const int h_shift = i==0 ? 0 : h_chroma_shift;
1556 const int v_shift = i==0 ? 0 : v_chroma_shift;
1557 if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[i] || !buf->base[i])
1558 buf->data[i] = buf->base[i];
1560 buf->data[i] = buf->base[i] +
1561 FFALIGN((buf->linesize[i]*edge >> v_shift) +
1562 (pixel_size*edge >> h_shift), 32);
1566 buf->pix_fmt = s->pix_fmt;
1573 int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
1575 FrameBuffer **pool = s->opaque;
1579 if(av_image_check_size(s->width, s->height, 0, s) || s->pix_fmt<0) {
1580 av_log(s, AV_LOG_ERROR, "codec_get_buffer: image parameters invalid\n");
1584 if (!*pool && (ret = alloc_buffer(pool, s, pool)) < 0)
1590 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
1591 av_freep(&buf->base[0]);
1593 if ((ret = alloc_buffer(pool, s, &buf)) < 0)
1596 av_assert0(!buf->refcount);
1599 frame->opaque = buf;
1600 frame->type = FF_BUFFER_TYPE_USER;
1601 frame->extended_data = frame->data;
1602 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
1603 frame->width = buf->w;
1604 frame->height = buf->h;
1605 frame->format = buf->pix_fmt;
1606 frame->sample_aspect_ratio = s->sample_aspect_ratio;
1608 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
1609 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
1610 frame->data[i] = buf->data[i];
1611 frame->linesize[i] = buf->linesize[i];
1617 static void unref_buffer(FrameBuffer *buf)
1619 FrameBuffer **pool = buf->pool;
1621 av_assert0(buf->refcount > 0);
1623 if (!buf->refcount) {
1625 for(tmp= *pool; tmp; tmp= tmp->next)
1626 av_assert1(tmp != buf);
1633 void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
1635 FrameBuffer *buf = frame->opaque;
1638 if(frame->type!=FF_BUFFER_TYPE_USER) {
1639 avcodec_default_release_buffer(s, frame);
1643 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
1644 frame->data[i] = NULL;
1649 void filter_release_buffer(AVFilterBuffer *fb)
1651 FrameBuffer *buf = fb->priv;
1656 void free_buffer_pool(FrameBuffer **pool)
1658 FrameBuffer *buf = *pool;
1661 av_freep(&buf->base[0]);