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/bprint.h"
45 #include "libavutil/mathematics.h"
46 #include "libavutil/imgutils.h"
47 #include "libavutil/parseutils.h"
48 #include "libavutil/pixdesc.h"
49 #include "libavutil/eval.h"
50 #include "libavutil/dict.h"
51 #include "libavutil/opt.h"
55 #include "libavformat/network.h"
57 #if HAVE_SYS_RESOURCE_H
59 #include <sys/resource.h>
62 static int init_report(const char *env);
64 struct SwsContext *sws_opts;
66 AVDictionary *format_opts, *codec_opts;
68 const int this_year = 2012;
70 static FILE *report_file;
76 sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC,
80 swr_opts = swr_alloc();
83 void uninit_opts(void)
86 sws_freeContext(sws_opts);
93 av_dict_free(&format_opts);
94 av_dict_free(&codec_opts);
97 void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
99 vfprintf(stdout, fmt, vl);
102 static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl)
106 static int print_prefix = 1;
109 av_log_default_callback(ptr, level, fmt, vl);
110 av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
112 fputs(line, report_file);
116 double parse_number_or_die(const char *context, const char *numstr, int type,
117 double min, double max)
121 double d = av_strtod(numstr, &tail);
123 error = "Expected number for %s but found: %s\n";
124 else if (d < min || d > max)
125 error = "The value for %s was %s which is not within %f - %f\n";
126 else if (type == OPT_INT64 && (int64_t)d != d)
127 error = "Expected int64 for %s but found %s\n";
128 else if (type == OPT_INT && (int)d != d)
129 error = "Expected int for %s but found %s\n";
132 av_log(NULL, AV_LOG_FATAL, error, context, numstr, min, max);
137 int64_t parse_time_or_die(const char *context, const char *timestr,
141 if (av_parse_time(&us, timestr, is_duration) < 0) {
142 av_log(NULL, AV_LOG_FATAL, "Invalid %s specification for %s: %s\n",
143 is_duration ? "duration" : "date", context, timestr);
149 void show_help_options(const OptionDef *options, const char *msg, int req_flags,
150 int rej_flags, int alt_flags)
156 for (po = options; po->name != NULL; po++) {
159 if (((po->flags & req_flags) != req_flags) ||
160 (alt_flags && !(po->flags & alt_flags)) ||
161 (po->flags & rej_flags))
168 av_strlcpy(buf, po->name, sizeof(buf));
170 av_strlcat(buf, " ", sizeof(buf));
171 av_strlcat(buf, po->argname, sizeof(buf));
173 printf("-%-17s %s\n", buf, po->help);
178 void show_help_children(const AVClass *class, int flags)
180 const AVClass *child = NULL;
182 av_opt_show2(&class, NULL, flags, 0);
186 while (child = av_opt_child_class_next(class, child))
187 show_help_children(child, flags);
190 static const OptionDef *find_option(const OptionDef *po, const char *name)
192 const char *p = strchr(name, ':');
193 int len = p ? p - name : strlen(name);
195 while (po->name != NULL) {
196 if (!strncmp(name, po->name, len) && strlen(po->name) == len)
203 #if defined(_WIN32) && !defined(__MINGW32CE__)
205 #include <shellapi.h>
206 /* Will be leaked on exit */
207 static char** win32_argv_utf8 = NULL;
208 static int win32_argc = 0;
211 * Prepare command line arguments for executable.
212 * For Windows - perform wide-char to UTF-8 conversion.
213 * Input arguments should be main() function arguments.
214 * @param argc_ptr Arguments number (including executable)
215 * @param argv_ptr Arguments list.
217 static void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
221 int i, buffsize = 0, offset = 0;
223 if (win32_argv_utf8) {
224 *argc_ptr = win32_argc;
225 *argv_ptr = win32_argv_utf8;
230 argv_w = CommandLineToArgvW(GetCommandLineW(), &win32_argc);
231 if (win32_argc <= 0 || !argv_w)
234 /* determine the UTF-8 buffer size (including NULL-termination symbols) */
235 for (i = 0; i < win32_argc; i++)
236 buffsize += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
237 NULL, 0, NULL, NULL);
239 win32_argv_utf8 = av_mallocz(sizeof(char *) * (win32_argc + 1) + buffsize);
240 argstr_flat = (char *)win32_argv_utf8 + sizeof(char *) * (win32_argc + 1);
241 if (win32_argv_utf8 == NULL) {
246 for (i = 0; i < win32_argc; i++) {
247 win32_argv_utf8[i] = &argstr_flat[offset];
248 offset += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
249 &argstr_flat[offset],
250 buffsize - offset, NULL, NULL);
252 win32_argv_utf8[i] = NULL;
255 *argc_ptr = win32_argc;
256 *argv_ptr = win32_argv_utf8;
259 static inline void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
263 #endif /* WIN32 && !__MINGW32CE__ */
265 int parse_option(void *optctx, const char *opt, const char *arg,
266 const OptionDef *options)
273 po = find_option(options, opt);
274 if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
275 /* handle 'no' bool option */
276 po = find_option(options, opt + 2);
277 if ((po->name && (po->flags & OPT_BOOL)))
281 po = find_option(options, "default");
283 av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
284 return AVERROR(EINVAL);
286 if (po->flags & HAS_ARG && !arg) {
287 av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'\n", opt);
288 return AVERROR(EINVAL);
291 /* new-style options contain an offset into optctx, old-style address of
293 dst = po->flags & (OPT_OFFSET | OPT_SPEC) ? (uint8_t *)optctx + po->u.off
296 if (po->flags & OPT_SPEC) {
297 SpecifierOpt **so = dst;
298 char *p = strchr(opt, ':');
300 dstcount = (int *)(so + 1);
301 *so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1);
302 (*so)[*dstcount - 1].specifier = av_strdup(p ? p + 1 : "");
303 dst = &(*so)[*dstcount - 1].u;
306 if (po->flags & OPT_STRING) {
308 str = av_strdup(arg);
311 } else if (po->flags & OPT_BOOL) {
312 *(int *)dst = bool_val;
313 } else if (po->flags & OPT_INT) {
314 *(int *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
315 } else if (po->flags & OPT_INT64) {
316 *(int64_t *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
317 } else if (po->flags & OPT_TIME) {
318 *(int64_t *)dst = parse_time_or_die(opt, arg, 1);
319 } else if (po->flags & OPT_FLOAT) {
320 *(float *)dst = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);
321 } else if (po->flags & OPT_DOUBLE) {
322 *(double *)dst = parse_number_or_die(opt, arg, OPT_DOUBLE, -INFINITY, INFINITY);
323 } else if (po->u.func_arg) {
324 int ret = po->u.func_arg(optctx, opt, arg);
326 av_log(NULL, AV_LOG_ERROR,
327 "Failed to set value '%s' for option '%s'\n", arg, opt);
331 if (po->flags & OPT_EXIT)
333 return !!(po->flags & HAS_ARG);
336 void parse_options(void *optctx, int argc, char **argv, const OptionDef *options,
337 void (*parse_arg_function)(void *, const char*))
340 int optindex, handleoptions = 1, ret;
342 /* perform system-dependent conversions for arguments list */
343 prepare_app_arguments(&argc, &argv);
347 while (optindex < argc) {
348 opt = argv[optindex++];
350 if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
351 if (opt[1] == '-' && opt[2] == '\0') {
357 if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0)
361 if (parse_arg_function)
362 parse_arg_function(optctx, opt);
367 int locate_option(int argc, char **argv, const OptionDef *options,
373 for (i = 1; i < argc; i++) {
374 const char *cur_opt = argv[i];
376 if (*cur_opt++ != '-')
379 po = find_option(options, cur_opt);
380 if (!po->name && cur_opt[0] == 'n' && cur_opt[1] == 'o')
381 po = find_option(options, cur_opt + 2);
383 if ((!po->name && !strcmp(cur_opt, optname)) ||
384 (po->name && !strcmp(optname, po->name)))
387 if (po->flags & HAS_ARG)
393 static void dump_argument(const char *a)
395 const unsigned char *p;
398 if (!((*p >= '+' && *p <= ':') || (*p >= '@' && *p <= 'Z') ||
399 *p == '_' || (*p >= 'a' && *p <= 'z')))
402 fputs(a, report_file);
405 fputc('"', report_file);
406 for (p = a; *p; p++) {
407 if (*p == '\\' || *p == '"' || *p == '$' || *p == '`')
408 fprintf(report_file, "\\%c", *p);
409 else if (*p < ' ' || *p > '~')
410 fprintf(report_file, "\\x%02x", *p);
412 fputc(*p, report_file);
414 fputc('"', report_file);
417 void parse_loglevel(int argc, char **argv, const OptionDef *options)
419 int idx = locate_option(argc, argv, options, "loglevel");
422 idx = locate_option(argc, argv, options, "v");
423 if (idx && argv[idx + 1])
424 opt_loglevel(NULL, "loglevel", argv[idx + 1]);
425 idx = locate_option(argc, argv, options, "report");
426 if ((env = getenv("FFREPORT")) || idx) {
430 fprintf(report_file, "Command line:\n");
431 for (i = 0; i < argc; i++) {
432 dump_argument(argv[i]);
433 fputc(i < argc - 1 ? ' ' : '\n', report_file);
440 #define FLAGS (o->type == AV_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0
441 int opt_default(void *optctx, const char *opt, const char *arg)
445 char opt_stripped[128];
447 const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class();
448 const AVClass *sc, *swr_class;
450 if (!(p = strchr(opt, ':')))
451 p = opt + strlen(opt);
452 av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1));
454 if ((o = av_opt_find(&cc, opt_stripped, NULL, 0,
455 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) ||
456 ((opt[0] == 'v' || opt[0] == 'a' || opt[0] == 's') &&
457 (o = av_opt_find(&cc, opt + 1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)))) {
458 av_dict_set(&codec_opts, opt, arg, FLAGS);
461 if ((o = av_opt_find(&fc, opt, NULL, 0,
462 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
463 av_dict_set(&format_opts, opt, arg, FLAGS);
465 av_log(NULL, AV_LOG_VERBOSE, "Routing %s to codec and muxer layer\n", opt);
469 sc = sws_get_class();
470 if (!consumed && av_opt_find(&sc, opt, NULL, 0,
471 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) {
472 // XXX we only support sws_flags, not arbitrary sws options
473 int ret = av_opt_set(sws_opts, opt, arg, 0);
475 av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
481 #if CONFIG_SWRESAMPLE
482 swr_class = swr_get_class();
483 if (!consumed && av_opt_find(&swr_class, opt, NULL, 0,
484 AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) {
485 int ret = av_opt_set(swr_opts, opt, arg, 0);
487 av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
496 av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
497 return AVERROR_OPTION_NOT_FOUND;
500 int opt_loglevel(void *optctx, const char *opt, const char *arg)
502 const struct { const char *name; int level; } log_levels[] = {
503 { "quiet" , AV_LOG_QUIET },
504 { "panic" , AV_LOG_PANIC },
505 { "fatal" , AV_LOG_FATAL },
506 { "error" , AV_LOG_ERROR },
507 { "warning", AV_LOG_WARNING },
508 { "info" , AV_LOG_INFO },
509 { "verbose", AV_LOG_VERBOSE },
510 { "debug" , AV_LOG_DEBUG },
516 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
517 if (!strcmp(log_levels[i].name, arg)) {
518 av_log_set_level(log_levels[i].level);
523 level = strtol(arg, &tail, 10);
525 av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". "
526 "Possible levels are numbers or:\n", arg);
527 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
528 av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name);
531 av_log_set_level(level);
535 static void expand_filename_template(AVBPrint *bp, const char *template,
540 while ((c = *(template++))) {
542 if (!(c = *(template++)))
546 av_bprintf(bp, "%s", program_name);
549 av_bprintf(bp, "%04d%02d%02d-%02d%02d%02d",
550 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
551 tm->tm_hour, tm->tm_min, tm->tm_sec);
554 av_bprint_chars(bp, c, 1);
558 av_bprint_chars(bp, c, 1);
563 static int init_report(const char *env)
565 const char *filename_template = "%p-%t.log";
572 if (report_file) /* already opened */
575 tm = localtime(&now);
577 while (env && *env) {
578 if ((ret = av_opt_get_key_value(&env, "=", ":", 0, &key, &val)) < 0) {
580 av_log(NULL, AV_LOG_ERROR,
581 "Failed to parse FFREPORT environment variable: %s\n",
586 if (!strcmp(key, "file")) {
587 filename_template = val;
590 av_log(NULL, AV_LOG_ERROR, "Unknown key '%s' in FFREPORT\n", key);
596 av_bprint_init(&filename, 0, 1);
597 expand_filename_template(&filename, filename_template, tm);
598 if (!av_bprint_is_complete(&filename)) {
599 av_log(NULL, AV_LOG_ERROR, "Out of memory building report file name\n");
600 return AVERROR(ENOMEM);
603 report_file = fopen(filename.str, "w");
605 av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
606 filename.str, strerror(errno));
607 return AVERROR(errno);
609 av_log_set_callback(log_callback_report);
610 av_log(NULL, AV_LOG_INFO,
611 "%s started on %04d-%02d-%02d at %02d:%02d:%02d\n"
612 "Report written to \"%s\"\n",
614 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
615 tm->tm_hour, tm->tm_min, tm->tm_sec,
617 av_log_set_level(FFMAX(av_log_get_level(), AV_LOG_VERBOSE));
618 av_bprint_finalize(&filename, NULL);
622 int opt_report(const char *opt)
624 return init_report(NULL);
627 int opt_max_alloc(void *optctx, const char *opt, const char *arg)
632 max = strtol(arg, &tail, 10);
634 av_log(NULL, AV_LOG_FATAL, "Invalid max_alloc \"%s\".\n", arg);
641 int opt_cpuflags(void *optctx, const char *opt, const char *arg)
644 unsigned flags = av_get_cpu_flags();
646 if ((ret = av_parse_cpu_caps(&flags, arg)) < 0)
649 av_force_cpu_flags(flags);
653 int opt_codec_debug(void *optctx, const char *opt, const char *arg)
655 av_log_set_level(AV_LOG_DEBUG);
656 return opt_default(NULL, opt, arg);
659 int opt_timelimit(void *optctx, const char *opt, const char *arg)
662 int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
663 struct rlimit rl = { lim, lim + 1 };
664 if (setrlimit(RLIMIT_CPU, &rl))
667 av_log(NULL, AV_LOG_WARNING, "-%s not implemented on this OS\n", opt);
672 void print_error(const char *filename, int err)
675 const char *errbuf_ptr = errbuf;
677 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
678 errbuf_ptr = strerror(AVUNERROR(err));
679 av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, errbuf_ptr);
682 static int warned_cfg = 0;
685 #define SHOW_VERSION 2
686 #define SHOW_CONFIG 4
687 #define SHOW_COPYRIGHT 8
689 #define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \
690 if (CONFIG_##LIBNAME) { \
691 const char *indent = flags & INDENT? " " : ""; \
692 if (flags & SHOW_VERSION) { \
693 unsigned int version = libname##_version(); \
694 av_log(NULL, level, \
695 "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \
697 LIB##LIBNAME##_VERSION_MAJOR, \
698 LIB##LIBNAME##_VERSION_MINOR, \
699 LIB##LIBNAME##_VERSION_MICRO, \
700 version >> 16, version >> 8 & 0xff, version & 0xff); \
702 if (flags & SHOW_CONFIG) { \
703 const char *cfg = libname##_configuration(); \
704 if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \
706 av_log(NULL, level, \
707 "%sWARNING: library configuration mismatch\n", \
711 av_log(NULL, level, "%s%-11s configuration: %s\n", \
712 indent, #libname, cfg); \
717 static void print_all_libs_info(int flags, int level)
719 PRINT_LIB_INFO(avutil, AVUTIL, flags, level);
720 PRINT_LIB_INFO(avcodec, AVCODEC, flags, level);
721 PRINT_LIB_INFO(avformat, AVFORMAT, flags, level);
722 PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
723 PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
724 // PRINT_LIB_INFO(avresample, AVRESAMPLE, flags, level);
725 PRINT_LIB_INFO(swscale, SWSCALE, flags, level);
726 PRINT_LIB_INFO(swresample,SWRESAMPLE, flags, level);
728 PRINT_LIB_INFO(postproc, POSTPROC, flags, level);
732 static void print_program_info(int flags, int level)
734 const char *indent = flags & INDENT? " " : "";
736 av_log(NULL, level, "%s version " FFMPEG_VERSION, program_name);
737 if (flags & SHOW_COPYRIGHT)
738 av_log(NULL, level, " Copyright (c) %d-%d the FFmpeg developers",
739 program_birth_year, this_year);
740 av_log(NULL, level, "\n");
741 av_log(NULL, level, "%sbuilt on %s %s with %s\n",
742 indent, __DATE__, __TIME__, CC_IDENT);
744 av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent);
747 void show_banner(int argc, char **argv, const OptionDef *options)
749 int idx = locate_option(argc, argv, options, "version");
753 print_program_info (INDENT|SHOW_COPYRIGHT, AV_LOG_INFO);
754 print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_INFO);
755 print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_INFO);
758 int show_version(void *optctx, const char *opt, const char *arg)
760 av_log_set_callback(log_callback_help);
761 print_program_info (0 , AV_LOG_INFO);
762 print_all_libs_info(SHOW_VERSION, AV_LOG_INFO);
767 int show_license(void *optctx, const char *opt, const char *arg)
771 "This version of %s has nonfree parts compiled in.\n"
772 "Therefore it is not legally redistributable.\n",
776 "%s is free software; you can redistribute it and/or modify\n"
777 "it under the terms of the GNU General Public License as published by\n"
778 "the Free Software Foundation; either version 3 of the License, or\n"
779 "(at your option) any later version.\n"
781 "%s is distributed in the hope that it will be useful,\n"
782 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
783 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
784 "GNU General Public License for more details.\n"
786 "You should have received a copy of the GNU General Public License\n"
787 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
788 program_name, program_name, program_name );
791 "%s is free software; you can redistribute it and/or modify\n"
792 "it under the terms of the GNU General Public License as published by\n"
793 "the Free Software Foundation; either version 2 of the License, or\n"
794 "(at your option) any later version.\n"
796 "%s is distributed in the hope that it will be useful,\n"
797 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
798 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
799 "GNU General Public License for more details.\n"
801 "You should have received a copy of the GNU General Public License\n"
802 "along with %s; if not, write to the Free Software\n"
803 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
804 program_name, program_name, program_name );
807 "%s is free software; you can redistribute it and/or modify\n"
808 "it under the terms of the GNU Lesser General Public License as published by\n"
809 "the Free Software Foundation; either version 3 of the License, or\n"
810 "(at your option) any later version.\n"
812 "%s is distributed in the hope that it will be useful,\n"
813 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
814 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
815 "GNU Lesser General Public License for more details.\n"
817 "You should have received a copy of the GNU Lesser General Public License\n"
818 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
819 program_name, program_name, program_name );
822 "%s is free software; you can redistribute it and/or\n"
823 "modify it under the terms of the GNU Lesser General Public\n"
824 "License as published by the Free Software Foundation; either\n"
825 "version 2.1 of the License, or (at your option) any later version.\n"
827 "%s is distributed in the hope that it will be useful,\n"
828 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
829 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
830 "Lesser General Public License for more details.\n"
832 "You should have received a copy of the GNU Lesser General Public\n"
833 "License along with %s; if not, write to the Free Software\n"
834 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
835 program_name, program_name, program_name );
841 int show_formats(void *optctx, const char *opt, const char *arg)
843 AVInputFormat *ifmt = NULL;
844 AVOutputFormat *ofmt = NULL;
845 const char *last_name;
847 printf("File formats:\n"
848 " D. = Demuxing supported\n"
849 " .E = Muxing supported\n"
855 const char *name = NULL;
856 const char *long_name = NULL;
858 while ((ofmt = av_oformat_next(ofmt))) {
859 if ((name == NULL || strcmp(ofmt->name, name) < 0) &&
860 strcmp(ofmt->name, last_name) > 0) {
862 long_name = ofmt->long_name;
866 while ((ifmt = av_iformat_next(ifmt))) {
867 if ((name == NULL || strcmp(ifmt->name, name) < 0) &&
868 strcmp(ifmt->name, last_name) > 0) {
870 long_name = ifmt->long_name;
873 if (name && strcmp(ifmt->name, name) == 0)
880 printf(" %s%s %-15s %s\n",
884 long_name ? long_name:" ");
889 #define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \
890 if (codec->field) { \
891 const type *p = c->field; \
893 printf(" Supported " list_name ":"); \
894 while (*p != term) { \
896 printf(" %s", name); \
902 static void print_codec(const AVCodec *c)
904 int encoder = av_codec_is_encoder(c);
906 printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name,
907 c->long_name ? c->long_name : "");
909 if (c->type == AVMEDIA_TYPE_VIDEO) {
910 printf(" Threading capabilities: ");
911 switch (c->capabilities & (CODEC_CAP_FRAME_THREADS |
912 CODEC_CAP_SLICE_THREADS)) {
913 case CODEC_CAP_FRAME_THREADS |
914 CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break;
915 case CODEC_CAP_FRAME_THREADS: printf("frame"); break;
916 case CODEC_CAP_SLICE_THREADS: printf("slice"); break;
917 default: printf("no"); break;
922 if (c->supported_framerates) {
923 const AVRational *fps = c->supported_framerates;
925 printf(" Supported framerates:");
927 printf(" %d/%d", fps->num, fps->den);
932 PRINT_CODEC_SUPPORTED(c, pix_fmts, enum AVPixelFormat, "pixel formats",
933 AV_PIX_FMT_NONE, GET_PIX_FMT_NAME);
934 PRINT_CODEC_SUPPORTED(c, supported_samplerates, int, "sample rates", 0,
935 GET_SAMPLE_RATE_NAME);
936 PRINT_CODEC_SUPPORTED(c, sample_fmts, enum AVSampleFormat, "sample formats",
937 AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME);
938 PRINT_CODEC_SUPPORTED(c, channel_layouts, uint64_t, "channel layouts",
939 0, GET_CH_LAYOUT_DESC);
942 show_help_children(c->priv_class,
943 AV_OPT_FLAG_ENCODING_PARAM |
944 AV_OPT_FLAG_DECODING_PARAM);
948 static char get_media_type_char(enum AVMediaType type)
951 case AVMEDIA_TYPE_VIDEO: return 'V';
952 case AVMEDIA_TYPE_AUDIO: return 'A';
953 case AVMEDIA_TYPE_DATA: return 'D';
954 case AVMEDIA_TYPE_SUBTITLE: return 'S';
955 case AVMEDIA_TYPE_ATTACHMENT:return 'T';
960 static const AVCodec *next_codec_for_id(enum AVCodecID id, const AVCodec *prev,
963 while ((prev = av_codec_next(prev))) {
964 if (prev->id == id &&
965 (encoder ? av_codec_is_encoder(prev) : av_codec_is_decoder(prev)))
971 static int compare_codec_desc(const void *a, const void *b)
973 const AVCodecDescriptor * const *da = a;
974 const AVCodecDescriptor * const *db = b;
976 return (*da)->type != (*db)->type ? (*da)->type - (*db)->type :
977 strcmp((*da)->name, (*db)->name);
980 static unsigned get_codecs_sorted(const AVCodecDescriptor ***rcodecs)
982 const AVCodecDescriptor *desc = NULL;
983 const AVCodecDescriptor **codecs;
984 unsigned nb_codecs = 0, i = 0;
986 while ((desc = avcodec_descriptor_next(desc)))
988 if (!(codecs = av_calloc(nb_codecs, sizeof(*codecs)))) {
989 av_log(0, AV_LOG_ERROR, "Out of memory\n");
993 while ((desc = avcodec_descriptor_next(desc)))
995 av_assert0(i == nb_codecs);
996 qsort(codecs, nb_codecs, sizeof(*codecs), compare_codec_desc);
1001 static void print_codecs_for_id(enum AVCodecID id, int encoder)
1003 const AVCodec *codec = NULL;
1005 printf(" (%s: ", encoder ? "encoders" : "decoders");
1007 while ((codec = next_codec_for_id(id, codec, encoder)))
1008 printf("%s ", codec->name);
1013 int show_codecs(void *optctx, const char *opt, const char *arg)
1015 const AVCodecDescriptor **codecs;
1016 unsigned i, nb_codecs = get_codecs_sorted(&codecs);
1019 " D..... = Decoding supported\n"
1020 " .E.... = Encoding supported\n"
1021 " ..V... = Video codec\n"
1022 " ..A... = Audio codec\n"
1023 " ..S... = Subtitle codec\n"
1024 " ...I.. = Intra frame-only codec\n"
1025 " ....L. = Lossy compression\n"
1026 " .....S = Lossless compression\n"
1028 for (i = 0; i < nb_codecs; i++) {
1029 const AVCodecDescriptor *desc = codecs[i];
1030 const AVCodec *codec = NULL;
1033 printf(avcodec_find_decoder(desc->id) ? "D" : ".");
1034 printf(avcodec_find_encoder(desc->id) ? "E" : ".");
1036 printf("%c", get_media_type_char(desc->type));
1037 printf((desc->props & AV_CODEC_PROP_INTRA_ONLY) ? "I" : ".");
1038 printf((desc->props & AV_CODEC_PROP_LOSSY) ? "L" : ".");
1039 printf((desc->props & AV_CODEC_PROP_LOSSLESS) ? "S" : ".");
1041 printf(" %-20s %s", desc->name, desc->long_name ? desc->long_name : "");
1043 /* print decoders/encoders when there's more than one or their
1044 * names are different from codec name */
1045 while ((codec = next_codec_for_id(desc->id, codec, 0))) {
1046 if (strcmp(codec->name, desc->name)) {
1047 print_codecs_for_id(desc->id, 0);
1052 while ((codec = next_codec_for_id(desc->id, codec, 1))) {
1053 if (strcmp(codec->name, desc->name)) {
1054 print_codecs_for_id(desc->id, 1);
1065 static void print_codecs(int encoder)
1067 const AVCodecDescriptor **codecs;
1068 unsigned i, nb_codecs = get_codecs_sorted(&codecs);
1073 " S..... = Subtitle\n"
1074 " .F.... = Frame-level multithreading\n"
1075 " ..S... = Slice-level multithreading\n"
1076 " ...X.. = Codec is experimental\n"
1077 " ....B. = Supports draw_horiz_band\n"
1078 " .....D = Supports direct rendering method 1\n"
1080 encoder ? "Encoders" : "Decoders");
1081 for (i = 0; i < nb_codecs; i++) {
1082 const AVCodecDescriptor *desc = codecs[i];
1083 const AVCodec *codec = NULL;
1085 while ((codec = next_codec_for_id(desc->id, codec, encoder))) {
1086 printf(" %c", get_media_type_char(desc->type));
1087 printf((codec->capabilities & CODEC_CAP_FRAME_THREADS) ? "F" : ".");
1088 printf((codec->capabilities & CODEC_CAP_SLICE_THREADS) ? "S" : ".");
1089 printf((codec->capabilities & CODEC_CAP_EXPERIMENTAL) ? "X" : ".");
1090 printf((codec->capabilities & CODEC_CAP_DRAW_HORIZ_BAND)?"B" : ".");
1091 printf((codec->capabilities & CODEC_CAP_DR1) ? "D" : ".");
1093 printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : "");
1094 if (strcmp(codec->name, desc->name))
1095 printf(" (codec %s)", desc->name);
1103 int show_decoders(void *optctx, const char *opt, const char *arg)
1109 int show_encoders(void *optctx, const char *opt, const char *arg)
1115 int show_bsfs(void *optctx, const char *opt, const char *arg)
1117 AVBitStreamFilter *bsf = NULL;
1119 printf("Bitstream filters:\n");
1120 while ((bsf = av_bitstream_filter_next(bsf)))
1121 printf("%s\n", bsf->name);
1126 int show_protocols(void *optctx, const char *opt, const char *arg)
1128 void *opaque = NULL;
1131 printf("Supported file protocols:\n"
1133 while ((name = avio_enum_protocols(&opaque, 0)))
1134 printf("%s\n", name);
1135 printf("Output:\n");
1136 while ((name = avio_enum_protocols(&opaque, 1)))
1137 printf("%s\n", name);
1141 int show_filters(void *optctx, const char *opt, const char *arg)
1143 AVFilter av_unused(**filter) = NULL;
1144 char descr[64], *descr_cur;
1146 const AVFilterPad *pad;
1148 printf("Filters:\n");
1150 while ((filter = av_filter_next(filter)) && *filter) {
1152 for (i = 0; i < 2; i++) {
1154 *(descr_cur++) = '-';
1155 *(descr_cur++) = '>';
1157 pad = i ? (*filter)->outputs : (*filter)->inputs;
1158 for (j = 0; pad && pad[j].name; j++) {
1159 if (descr_cur >= descr + sizeof(descr) - 4)
1161 *(descr_cur++) = get_media_type_char(pad[j].type);
1164 *(descr_cur++) = '|';
1167 printf("%-16s %-10s %s\n", (*filter)->name, descr, (*filter)->description);
1173 int show_pix_fmts(void *optctx, const char *opt, const char *arg)
1175 const AVPixFmtDescriptor *pix_desc = NULL;
1177 printf("Pixel formats:\n"
1178 "I.... = Supported Input format for conversion\n"
1179 ".O... = Supported Output format for conversion\n"
1180 "..H.. = Hardware accelerated format\n"
1181 "...P. = Paletted format\n"
1182 "....B = Bitstream format\n"
1183 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
1187 # define sws_isSupportedInput(x) 0
1188 # define sws_isSupportedOutput(x) 0
1191 while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) {
1192 enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
1195 printf("%c%c%c%c%c %-16s %d %2d\n",
1196 sws_isSupportedInput (pix_fmt) ? 'I' : '.',
1197 sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
1198 pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.',
1199 pix_desc->flags & PIX_FMT_PAL ? 'P' : '.',
1200 pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
1202 pix_desc->nb_components,
1203 av_get_bits_per_pixel(pix_desc));
1208 int show_layouts(void *optctx, const char *opt, const char *arg)
1212 const char *name, *descr;
1214 printf("Individual channels:\n"
1215 "NAME DESCRIPTION\n");
1216 for (i = 0; i < 63; i++) {
1217 name = av_get_channel_name((uint64_t)1 << i);
1220 descr = av_get_channel_description((uint64_t)1 << i);
1221 printf("%-12s%s\n", name, descr);
1223 printf("\nStandard channel layouts:\n"
1224 "NAME DECOMPOSITION\n");
1225 for (i = 0; !av_get_standard_channel_layout(i, &layout, &name); i++) {
1227 printf("%-12s", name);
1228 for (j = 1; j; j <<= 1)
1230 printf("%s%s", (layout & (j - 1)) ? "+" : "", av_get_channel_name(j));
1237 int show_sample_fmts(void *optctx, const char *opt, const char *arg)
1241 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
1242 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
1246 static void show_help_codec(const char *name, int encoder)
1248 const AVCodecDescriptor *desc;
1249 const AVCodec *codec;
1252 av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n");
1256 codec = encoder ? avcodec_find_encoder_by_name(name) :
1257 avcodec_find_decoder_by_name(name);
1261 else if ((desc = avcodec_descriptor_get_by_name(name))) {
1264 while ((codec = next_codec_for_id(desc->id, codec, encoder))) {
1270 av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, "
1271 "but no %s for it are available. FFmpeg might need to be "
1272 "recompiled with additional external libraries.\n",
1273 name, encoder ? "encoders" : "decoders");
1276 av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n",
1281 static void show_help_demuxer(const char *name)
1283 const AVInputFormat *fmt = av_find_input_format(name);
1286 av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
1290 printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name);
1292 if (fmt->extensions)
1293 printf(" Common extensions: %s.\n", fmt->extensions);
1295 if (fmt->priv_class)
1296 show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM);
1299 static void show_help_muxer(const char *name)
1301 const AVCodecDescriptor *desc;
1302 const AVOutputFormat *fmt = av_guess_format(name, NULL, NULL);
1305 av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
1309 printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name);
1311 if (fmt->extensions)
1312 printf(" Common extensions: %s.\n", fmt->extensions);
1314 printf(" Mime type: %s.\n", fmt->mime_type);
1315 if (fmt->video_codec != AV_CODEC_ID_NONE &&
1316 (desc = avcodec_descriptor_get(fmt->video_codec))) {
1317 printf(" Default video codec: %s.\n", desc->name);
1319 if (fmt->audio_codec != AV_CODEC_ID_NONE &&
1320 (desc = avcodec_descriptor_get(fmt->audio_codec))) {
1321 printf(" Default audio codec: %s.\n", desc->name);
1323 if (fmt->subtitle_codec != AV_CODEC_ID_NONE &&
1324 (desc = avcodec_descriptor_get(fmt->subtitle_codec))) {
1325 printf(" Default subtitle codec: %s.\n", desc->name);
1328 if (fmt->priv_class)
1329 show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM);
1332 int show_help(void *optctx, const char *opt, const char *arg)
1335 av_log_set_callback(log_callback_help);
1337 topic = av_strdup(arg ? arg : "");
1338 par = strchr(topic, '=');
1343 show_help_default(topic, par);
1344 } else if (!strcmp(topic, "decoder")) {
1345 show_help_codec(par, 0);
1346 } else if (!strcmp(topic, "encoder")) {
1347 show_help_codec(par, 1);
1348 } else if (!strcmp(topic, "demuxer")) {
1349 show_help_demuxer(par);
1350 } else if (!strcmp(topic, "muxer")) {
1351 show_help_muxer(par);
1353 show_help_default(topic, par);
1360 int read_yesno(void)
1363 int yesno = (toupper(c) == 'Y');
1365 while (c != '\n' && c != EOF)
1371 int cmdutils_read_file(const char *filename, char **bufptr, size_t *size)
1374 FILE *f = fopen(filename, "rb");
1377 av_log(NULL, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename,
1379 return AVERROR(errno);
1381 fseek(f, 0, SEEK_END);
1383 fseek(f, 0, SEEK_SET);
1384 if (*size == (size_t)-1) {
1385 av_log(NULL, AV_LOG_ERROR, "IO error: %s\n", strerror(errno));
1387 return AVERROR(errno);
1389 *bufptr = av_malloc(*size + 1);
1391 av_log(NULL, AV_LOG_ERROR, "Could not allocate file buffer\n");
1393 return AVERROR(ENOMEM);
1395 ret = fread(*bufptr, 1, *size, f);
1399 av_log(NULL, AV_LOG_ERROR, "Error while reading file '%s': %s\n",
1400 filename, strerror(errno));
1401 ret = AVERROR(errno);
1406 (*bufptr)[(*size)++] = '\0';
1413 FILE *get_preset_file(char *filename, size_t filename_size,
1414 const char *preset_name, int is_path,
1415 const char *codec_name)
1419 const char *base[3] = { getenv("FFMPEG_DATADIR"),
1424 av_strlcpy(filename, preset_name, filename_size);
1425 f = fopen(filename, "r");
1428 char datadir[MAX_PATH], *ls;
1431 if (GetModuleFileNameA(GetModuleHandleA(NULL), datadir, sizeof(datadir) - 1))
1433 for (ls = datadir; ls < datadir + strlen(datadir); ls++)
1434 if (*ls == '\\') *ls = '/';
1436 if (ls = strrchr(datadir, '/'))
1439 strncat(datadir, "/ffpresets", sizeof(datadir) - 1 - strlen(datadir));
1444 for (i = 0; i < 3 && !f; i++) {
1447 snprintf(filename, filename_size, "%s%s/%s.ffpreset", base[i],
1448 i != 1 ? "" : "/.ffmpeg", preset_name);
1449 f = fopen(filename, "r");
1450 if (!f && codec_name) {
1451 snprintf(filename, filename_size,
1452 "%s%s/%s-%s.ffpreset",
1453 base[i], i != 1 ? "" : "/.ffmpeg", codec_name,
1455 f = fopen(filename, "r");
1463 int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
1465 int ret = avformat_match_stream_specifier(s, st, spec);
1467 av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec);
1471 AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
1472 AVFormatContext *s, AVStream *st, AVCodec *codec)
1474 AVDictionary *ret = NULL;
1475 AVDictionaryEntry *t = NULL;
1476 int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM
1477 : AV_OPT_FLAG_DECODING_PARAM;
1479 const AVClass *cc = avcodec_get_class();
1482 codec = s->oformat ? avcodec_find_encoder(codec_id)
1483 : avcodec_find_decoder(codec_id);
1487 switch (codec->type) {
1488 case AVMEDIA_TYPE_VIDEO:
1490 flags |= AV_OPT_FLAG_VIDEO_PARAM;
1492 case AVMEDIA_TYPE_AUDIO:
1494 flags |= AV_OPT_FLAG_AUDIO_PARAM;
1496 case AVMEDIA_TYPE_SUBTITLE:
1498 flags |= AV_OPT_FLAG_SUBTITLE_PARAM;
1502 while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) {
1503 char *p = strchr(t->key, ':');
1505 /* check stream specification in opt name */
1507 switch (check_stream_specifier(s, st, p + 1)) {
1508 case 1: *p = 0; break;
1510 default: return NULL;
1513 if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) ||
1514 (codec && codec->priv_class &&
1515 av_opt_find(&codec->priv_class, t->key, NULL, flags,
1516 AV_OPT_SEARCH_FAKE_OBJ)))
1517 av_dict_set(&ret, t->key, t->value, 0);
1518 else if (t->key[0] == prefix &&
1519 av_opt_find(&cc, t->key + 1, NULL, flags,
1520 AV_OPT_SEARCH_FAKE_OBJ))
1521 av_dict_set(&ret, t->key + 1, t->value, 0);
1529 AVDictionary **setup_find_stream_info_opts(AVFormatContext *s,
1530 AVDictionary *codec_opts)
1533 AVDictionary **opts;
1537 opts = av_mallocz(s->nb_streams * sizeof(*opts));
1539 av_log(NULL, AV_LOG_ERROR,
1540 "Could not alloc memory for stream options.\n");
1543 for (i = 0; i < s->nb_streams; i++)
1544 opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id,
1545 s, s->streams[i], NULL);
1549 void *grow_array(void *array, int elem_size, int *size, int new_size)
1551 if (new_size >= INT_MAX / elem_size) {
1552 av_log(NULL, AV_LOG_ERROR, "Array too big.\n");
1555 if (*size < new_size) {
1556 uint8_t *tmp = av_realloc(array, new_size*elem_size);
1558 av_log(NULL, AV_LOG_ERROR, "Could not alloc buffer.\n");
1561 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
1568 static int alloc_buffer(FrameBuffer **pool, AVCodecContext *s, FrameBuffer **pbuf)
1570 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
1574 int h_chroma_shift, v_chroma_shift;
1575 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
1576 int w = s->width, h = s->height;
1579 return AVERROR(EINVAL);
1580 pixel_size = desc->comp[0].step_minus1 + 1;
1582 buf = av_mallocz(sizeof(*buf));
1584 return AVERROR(ENOMEM);
1586 avcodec_align_dimensions(s, &w, &h);
1588 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
1593 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
1594 s->pix_fmt, 32)) < 0) {
1596 av_log(s, AV_LOG_ERROR, "alloc_buffer: av_image_alloc() failed\n");
1599 /* XXX this shouldn't be needed, but some tests break without this line
1600 * those decoders are buggy and need to be fixed.
1601 * the following tests fail:
1602 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
1604 memset(buf->base[0], 128, ret);
1606 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
1607 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
1608 const int h_shift = i==0 ? 0 : h_chroma_shift;
1609 const int v_shift = i==0 ? 0 : v_chroma_shift;
1610 if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[i] || !buf->base[i])
1611 buf->data[i] = buf->base[i];
1613 buf->data[i] = buf->base[i] +
1614 FFALIGN((buf->linesize[i]*edge >> v_shift) +
1615 (pixel_size*edge >> h_shift), 32);
1619 buf->pix_fmt = s->pix_fmt;
1626 int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
1628 FrameBuffer **pool = s->opaque;
1632 if(av_image_check_size(s->width, s->height, 0, s) || s->pix_fmt<0) {
1633 av_log(s, AV_LOG_ERROR, "codec_get_buffer: image parameters invalid\n");
1637 if (!*pool && (ret = alloc_buffer(pool, s, pool)) < 0)
1643 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
1644 av_freep(&buf->base[0]);
1646 if ((ret = alloc_buffer(pool, s, &buf)) < 0)
1649 av_assert0(!buf->refcount);
1652 frame->opaque = buf;
1653 frame->type = FF_BUFFER_TYPE_USER;
1654 frame->extended_data = frame->data;
1655 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
1656 frame->width = buf->w;
1657 frame->height = buf->h;
1658 frame->format = buf->pix_fmt;
1659 frame->sample_aspect_ratio = s->sample_aspect_ratio;
1661 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
1662 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
1663 frame->data[i] = buf->data[i];
1664 frame->linesize[i] = buf->linesize[i];
1670 static void unref_buffer(FrameBuffer *buf)
1672 FrameBuffer **pool = buf->pool;
1674 av_assert0(buf->refcount > 0);
1676 if (!buf->refcount) {
1678 for(tmp= *pool; tmp; tmp= tmp->next)
1679 av_assert1(tmp != buf);
1686 void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
1688 FrameBuffer *buf = frame->opaque;
1691 if(frame->type!=FF_BUFFER_TYPE_USER) {
1692 avcodec_default_release_buffer(s, frame);
1696 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
1697 frame->data[i] = NULL;
1702 void filter_release_buffer(AVFilterBuffer *fb)
1704 FrameBuffer *buf = fb->priv;
1709 void free_buffer_pool(FrameBuffer **pool)
1711 FrameBuffer *buf = *pool;
1714 av_freep(&buf->base[0]);