58 #if HAVE_SYS_RESOURCE_H 60 #include <sys/resource.h> 98 vfprintf(stdout, fmt, vl);
105 static int print_prefix = 1;
119 #if HAVE_SETDLLDIRECTORY && defined(_WIN32) 148 error =
"Expected number for %s but found: %s\n";
149 else if (d < min || d > max)
150 error =
"The value for %s was %s which is not within %f - %f\n";
151 else if (type ==
OPT_INT64 && (int64_t)d != d)
152 error =
"Expected int64 for %s but found %s\n";
153 else if (type ==
OPT_INT && (
int)d != d)
154 error =
"Expected int for %s but found %s\n";
168 is_duration ?
"duration" :
"date", context, timestr);
175 int rej_flags,
int alt_flags)
181 for (po = options; po->
name; po++) {
184 if (((po->
flags & req_flags) != req_flags) ||
185 (alt_flags && !(po->
flags & alt_flags)) ||
186 (po->
flags & rej_flags))
198 printf(
"-%-17s %s\n", buf, po->
help);
217 const char *p = strchr(name,
':');
218 int len = p ? p -
name : strlen(name);
221 if (!strncmp(name, po->
name, len) && strlen(po->
name) == len)
231 #if HAVE_COMMANDLINETOARGVW && defined(_WIN32) 232 #include <shellapi.h> 234 static char** win32_argv_utf8 =
NULL;
235 static int win32_argc = 0;
248 int i, buffsize = 0,
offset = 0;
250 if (win32_argv_utf8) {
251 *argc_ptr = win32_argc;
252 *argv_ptr = win32_argv_utf8;
257 argv_w = CommandLineToArgvW(GetCommandLineW(), &win32_argc);
258 if (win32_argc <= 0 || !argv_w)
262 for (i = 0; i < win32_argc; i++)
263 buffsize += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
266 win32_argv_utf8 =
av_mallocz(
sizeof(
char *) * (win32_argc + 1) + buffsize);
267 argstr_flat = (
char *)win32_argv_utf8 +
sizeof(
char *) * (win32_argc + 1);
268 if (!win32_argv_utf8) {
273 for (i = 0; i < win32_argc; i++) {
274 win32_argv_utf8[
i] = &argstr_flat[
offset];
275 offset += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
279 win32_argv_utf8[
i] =
NULL;
282 *argc_ptr = win32_argc;
283 *argv_ptr = win32_argv_utf8;
303 char *p = strchr(opt,
':');
306 dstcount = (
int *)(so + 1);
307 *so =
grow_array(*so,
sizeof(**so), dstcount, *dstcount + 1);
311 (*so)[*dstcount - 1].specifier =
str;
312 dst = &(*so)[*dstcount - 1].u;
333 int ret = po->
u.
func_arg(optctx, opt, arg);
336 "Failed to set value '%s' for option '%s': %s\n",
354 if (!po->
name && opt[0] ==
'n' && opt[1] ==
'o') {
381 void (*parse_arg_function)(
void *,
const char*))
384 int optindex, handleoptions = 1, ret;
391 while (optindex < argc) {
392 opt = argv[optindex++];
394 if (handleoptions && opt[0] ==
'-' && opt[1] !=
'\0') {
395 if (opt[1] ==
'-' && opt[2] ==
'\0') {
401 if ((ret =
parse_option(optctx, opt, argv[optindex], options)) < 0)
405 if (parse_arg_function)
406 parse_arg_function(optctx, opt);
418 for (i = 0; i < g->
nb_opts; i++) {
424 "%s %s -- you are trying to apply an input option to an " 425 "output file or vice versa. Move this option before the " 426 "file it belongs to.\n", o->
key, o->
opt->
help,
450 for (i = 1; i < argc; i++) {
451 const char *cur_opt = argv[
i];
453 if (*cur_opt++ !=
'-')
457 if (!po->
name && cur_opt[0] ==
'n' && cur_opt[1] ==
'o')
460 if ((!po->
name && !strcmp(cur_opt, optname)) ||
461 (po->
name && !strcmp(optname, po->
name)))
472 const unsigned char *p;
475 if (!((*p >=
'+' && *p <=
':') || (*p >=
'@' && *p <=
'Z') ||
476 *p ==
'_' || (*p >=
'a' && *p <=
'z')))
483 for (p = a; *p; p++) {
484 if (*p ==
'\\' || *p ==
'"' || *p ==
'$' || *p ==
'`')
486 else if (*p < ' ' || *p >
'~')
512 if (idx && argv[idx + 1])
515 if ((env = getenv(
"FFREPORT")) || idx) {
520 for (i = 0; i < argc; i++) {
533 int opt_flags,
int search_flags)
541 #define FLAGS (o->type == AV_OPT_TYPE_FLAGS && (arg[0]=='-' || arg[0]=='+')) ? AV_DICT_APPEND : 0 546 char opt_stripped[128];
549 #if CONFIG_AVRESAMPLE 555 #if CONFIG_SWRESAMPLE 559 if (!strcmp(opt,
"debug") || !strcmp(opt,
"fdebug"))
562 if (!(p = strchr(opt,
':')))
563 p = opt + strlen(opt);
564 av_strlcpy(opt_stripped, opt,
FFMIN(
sizeof(opt_stripped), p - opt + 1));
568 ((opt[0] ==
'v' || opt[0] ==
'a' || opt[0] ==
's') &&
586 if (!strcmp(opt,
"srcw") || !strcmp(opt,
"srch") ||
587 !strcmp(opt,
"dstw") || !strcmp(opt,
"dsth") ||
588 !strcmp(opt,
"src_format") || !strcmp(opt,
"dst_format")) {
589 av_log(
NULL,
AV_LOG_ERROR,
"Directly using swscale dimensions/format options is not supported, please use the -s or -pix_fmt options\n");
602 if (!consumed && !strcmp(opt,
"sws_flags")) {
607 #if CONFIG_SWRESAMPLE 621 #if CONFIG_AVRESAMPLE 644 for (i = 0; i < nb_groups; i++) {
646 if (p->
sep && !strcmp(p->
sep, opt))
679 resample_opts =
NULL;
691 const char *
key,
const char *
val)
708 memset(octx, 0,
sizeof(*octx));
763 while (optindex < argc) {
764 const char *opt = argv[optindex++], *
arg;
770 if (opt[0] ==
'-' && opt[1] ==
'-' && !opt[2]) {
775 if (opt[0] !=
'-' || !opt[1] || dashdash+1 == optindex) {
782 #define GET_ARG(arg) \ 784 arg = argv[optindex++]; \ 786 av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'.\n", opt);\ 787 return AVERROR(EINVAL); \ 796 groups[ret].
name, arg);
805 arg = argv[optindex++];
814 "argument '%s'.\n", po->
name, po->
help, arg);
819 if (argv[optindex]) {
823 "argument '%s'.\n", opt, argv[optindex]);
828 "with argument '%s'.\n", opt, argv[optindex]);
834 if (opt[0] ==
'n' && opt[1] ==
'o' &&
839 "argument 0.\n", po->
name, po->
help);
849 "command: may be ignored.\n");
870 const struct {
const char *
name;
int level; } log_levels[] = {
890 if (*token ==
'+' || *token ==
'-') {
898 if (!strncmp(token,
"repeat", 6)) {
905 }
else if (!strncmp(token,
"level", 5)) {
919 }
else if (*arg ==
'+') {
926 if (!strcmp(log_levels[i].
name, arg)) {
927 level = log_levels[
i].level;
932 level = strtol(arg, &tail, 10);
935 "Possible levels are numbers or:\n", arg);
952 while ((c = *(
template++))) {
954 if (!(c = *(
template++)))
962 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
963 tm->tm_hour, tm->tm_min, tm->tm_sec);
977 char *filename_template =
NULL;
980 int prog_loglevel, envlevel = 0;
988 tm = localtime(&now);
990 while (env && *env) {
994 "Failed to parse FFREPORT environment variable: %s\n",
1001 if (!strcmp(key,
"file")) {
1003 filename_template =
val;
1005 }
else if (!strcmp(key,
"level")) {
1037 filename.str, strerror(errno));
1042 "%s started on %04d-%02d-%02d at %02d:%02d:%02d\n" 1043 "Report written to \"%s\"\n" 1046 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
1047 tm->tm_hour, tm->tm_min, tm->tm_sec,
1063 max = strtol(arg, &tail, 10);
1076 struct rlimit rl = { lim, lim + 1 };
1077 if (setrlimit(RLIMIT_CPU, &rl))
1078 perror(
"setrlimit");
1088 const char *errbuf_ptr = errbuf;
1098 #define SHOW_VERSION 2 1099 #define SHOW_CONFIG 0 1100 #define SHOW_COPYRIGHT 8 1102 #define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \ 1103 if (CONFIG_##LIBNAME) { \ 1104 const char *indent = flags & INDENT? " " : ""; \ 1105 if (flags & SHOW_VERSION) { \ 1106 unsigned int version = libname##_version(); \ 1107 av_log(NULL, level, \ 1108 "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \ 1110 LIB##LIBNAME##_VERSION_MAJOR, \ 1111 LIB##LIBNAME##_VERSION_MINOR, \ 1112 LIB##LIBNAME##_VERSION_MICRO, \ 1113 AV_VERSION_MAJOR(version), AV_VERSION_MINOR(version),\ 1114 AV_VERSION_MICRO(version)); \ 1116 if (flags & SHOW_CONFIG) { \ 1117 const char *cfg = libname##_configuration(); \ 1118 if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \ 1119 if (!warned_cfg) { \ 1120 av_log(NULL, level, \ 1121 "%sWARNING: library configuration mismatch\n", \ 1125 av_log(NULL, level, "%s%-11s configuration: %s\n", \ 1126 indent, #libname, cfg); \ 1146 const char *indent = flags &
INDENT?
" " :
"";
1150 av_log(
NULL, level,
" Copyright (c) %d-%d the FFmpeg developers",
1160 const char *indent = flags &
INDENT ?
" " :
"";
1162 char *conflist, *remove_tilde, *splitconf;
1166 while ((conflist = strstr(str,
" --")) !=
NULL) {
1167 strncpy(conflist,
"~--", 3);
1172 while ((remove_tilde = strstr(str,
"pkg-config~")) !=
NULL) {
1173 strncpy(remove_tilde,
"pkg-config ", 11);
1176 splitconf = strtok(str,
"~");
1177 av_log(
NULL, level,
"\n%sconfiguration:\n", indent);
1178 while (splitconf !=
NULL) {
1179 av_log(
NULL, level,
"%s%s%s\n", indent, indent, splitconf);
1180 splitconf = strtok(
NULL,
"~");
1216 "This version of %s has nonfree parts compiled in.\n" 1217 "Therefore it is not legally redistributable.\n",
1221 "%s is free software; you can redistribute it and/or modify\n" 1222 "it under the terms of the GNU General Public License as published by\n" 1223 "the Free Software Foundation; either version 3 of the License, or\n" 1224 "(at your option) any later version.\n" 1226 "%s is distributed in the hope that it will be useful,\n" 1227 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" 1228 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" 1229 "GNU General Public License for more details.\n" 1231 "You should have received a copy of the GNU General Public License\n" 1232 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
1236 "%s is free software; you can redistribute it and/or modify\n" 1237 "it under the terms of the GNU General Public License as published by\n" 1238 "the Free Software Foundation; either version 2 of the License, or\n" 1239 "(at your option) any later version.\n" 1241 "%s is distributed in the hope that it will be useful,\n" 1242 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" 1243 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" 1244 "GNU General Public License for more details.\n" 1246 "You should have received a copy of the GNU General Public License\n" 1247 "along with %s; if not, write to the Free Software\n" 1248 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
1252 "%s is free software; you can redistribute it and/or modify\n" 1253 "it under the terms of the GNU Lesser General Public License as published by\n" 1254 "the Free Software Foundation; either version 3 of the License, or\n" 1255 "(at your option) any later version.\n" 1257 "%s is distributed in the hope that it will be useful,\n" 1258 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" 1259 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" 1260 "GNU Lesser General Public License for more details.\n" 1262 "You should have received a copy of the GNU Lesser General Public License\n" 1263 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
1267 "%s is free software; you can redistribute it and/or\n" 1268 "modify it under the terms of the GNU Lesser General Public\n" 1269 "License as published by the Free Software Foundation; either\n" 1270 "version 2.1 of the License, or (at your option) any later version.\n" 1272 "%s is distributed in the hope that it will be useful,\n" 1273 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" 1274 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n" 1275 "Lesser General Public License for more details.\n" 1277 "You should have received a copy of the GNU Lesser General Public\n" 1278 "License along with %s; if not, write to the Free Software\n" 1279 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
1295 void *ifmt_opaque =
NULL;
1297 void *ofmt_opaque =
NULL;
1299 const char *last_name;
1303 " D. = Demuxing supported\n" 1304 " .E = Muxing supported\n" 1305 " --\n", device_only ?
"Devices:" :
"File formats:");
1311 const char *long_name =
NULL;
1317 if (!is_dev && device_only)
1319 if ((!name || strcmp(ofmt->
name, name) < 0) &&
1320 strcmp(ofmt->
name, last_name) > 0) {
1331 if (!is_dev && device_only)
1333 if ((!name || strcmp(ifmt->
name, name) < 0) &&
1334 strcmp(ifmt->
name, last_name) > 0) {
1339 if (name && strcmp(ifmt->
name, name) == 0)
1347 printf(
" %s%s %-15s %s\n",
1351 long_name ? long_name:
" ");
1376 #define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \ 1377 if (codec->field) { \ 1378 const type *p = codec->field; \ 1380 printf(" Supported " list_name ":"); \ 1381 while (*p != term) { \ 1383 printf(" %s", name); \ 1393 printf(
"%s %s [%s]:\n", encoder ?
"Encoder" :
"Decoder", c->
name,
1396 printf(
" General capabilities: ");
1398 printf(
"horizband ");
1408 printf(
"subframes ");
1414 printf(
"paramchange ");
1416 printf(
"variable ");
1422 printf(
"avoidprobe ");
1424 printf(
"hardware ");
1433 printf(
" Threading capabilities: ");
1442 default: printf(
"none");
break;
1448 printf(
" Supported hardware devices: ");
1449 for (
int i = 0;;
i++) {
1461 printf(
" Supported framerates:");
1463 printf(
" %d/%d", fps->
num, fps->
den);
1492 default:
return '?';
1513 return (*da)->type != (*db)->type ?
FFDIFFSIGN((*da)->type, (*db)->type) :
1514 strcmp((*da)->name, (*db)->name);
1521 unsigned nb_codecs = 0,
i = 0;
1525 if (!(codecs =
av_calloc(nb_codecs,
sizeof(*codecs)))) {
1543 printf(
" (%s: ", encoder ?
"encoders" :
"decoders");
1546 printf(
"%s ", codec->
name);
1557 " D..... = Decoding supported\n" 1558 " .E.... = Encoding supported\n" 1559 " ..V... = Video codec\n" 1560 " ..A... = Audio codec\n" 1561 " ..S... = Subtitle codec\n" 1562 " ...I.. = Intra frame-only codec\n" 1563 " ....L. = Lossy compression\n" 1564 " .....S = Lossless compression\n" 1566 for (i = 0; i < nb_codecs; i++) {
1571 if (strstr(desc->
name,
"_deprecated"))
1588 if (strcmp(codec->
name, desc->
name)) {
1595 if (strcmp(codec->
name, desc->
name)) {
1615 " S..... = Subtitle\n" 1616 " .F.... = Frame-level multithreading\n" 1617 " ..S... = Slice-level multithreading\n" 1618 " ...X.. = Codec is experimental\n" 1619 " ....B. = Supports draw_horiz_band\n" 1620 " .....D = Supports direct rendering method 1\n" 1622 encoder ?
"Encoders" :
"Decoders");
1623 for (i = 0; i < nb_codecs; i++) {
1637 if (strcmp(codec->
name, desc->
name))
1638 printf(
" (codec %s)", desc->
name);
1661 void *opaque =
NULL;
1663 printf(
"Bitstream filters:\n");
1665 printf(
"%s\n", bsf->
name);
1672 void *opaque =
NULL;
1675 printf(
"Supported file protocols:\n" 1678 printf(
" %s\n", name);
1679 printf(
"Output:\n");
1681 printf(
" %s\n", name);
1689 char descr[64], *descr_cur;
1690 void *opaque =
NULL;
1695 " T.. = Timeline support\n" 1696 " .S. = Slice threading\n" 1697 " ..C = Command support\n" 1698 " A = Audio input/output\n" 1699 " V = Video input/output\n" 1700 " N = Dynamic number and/or type of input/output\n" 1701 " | = Source or sink filter\n");
1704 for (i = 0; i < 2; i++) {
1706 *(descr_cur++) =
'-';
1707 *(descr_cur++) =
'>';
1711 if (descr_cur >= descr +
sizeof(descr) - 4)
1720 printf(
" %c%c%c %-17s %-10s %s\n",
1727 printf(
"No filters available: libavfilter disabled\n");
1738 printf(
"%-32s #RRGGBB\n",
"name");
1741 printf(
"%-32s #%02x%02x%02x\n", name, rgb[0], rgb[1], rgb[2]);
1750 printf(
"Pixel formats:\n" 1751 "I.... = Supported Input format for conversion\n" 1752 ".O... = Supported Output format for conversion\n" 1753 "..H.. = Hardware accelerated format\n" 1754 "...P. = Paletted format\n" 1755 "....B = Bitstream format\n" 1756 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n" 1760 # define sws_isSupportedInput(x) 0 1761 # define sws_isSupportedOutput(x) 0 1766 printf(
"%c%c%c%c%c %-16s %d %2d\n",
1783 const char *
name, *descr;
1785 printf(
"Individual channels:\n" 1786 "NAME DESCRIPTION\n");
1787 for (i = 0; i < 63; i++) {
1792 printf(
"%-14s %s\n", name, descr);
1794 printf(
"\nStandard channel layouts:\n" 1795 "NAME DECOMPOSITION\n");
1798 printf(
"%-14s ", name);
1799 for (j = 1; j; j <<= 1)
1843 "but no %s for it are available. FFmpeg might need to be " 1844 "recompiled with additional external libraries.\n",
1845 name, encoder ?
"encoders" :
"decoders");
1865 printf(
" Common extensions: %s.\n", fmt->
extensions);
1902 printf(
" Common extensions: %s.\n", fmt->
extensions);
1904 printf(
" Mime type: %s.\n", fmt->
mime_type);
1907 printf(
" Default video codec: %s.\n", desc->
name);
1911 printf(
" Default audio codec: %s.\n", desc->
name);
1915 printf(
" Default subtitle codec: %s.\n", desc->
name);
1923 static void show_help_filter(
const char *
name)
1937 printf(
"Filter %s\n", f->
name);
1942 printf(
" slice threading supported\n");
1944 printf(
" Inputs:\n");
1946 for (i = 0; i < count; i++) {
1951 printf(
" dynamic (depending on the options)\n");
1953 printf(
" none (source filter)\n");
1955 printf(
" Outputs:\n");
1957 for (i = 0; i < count; i++) {
1962 printf(
" dynamic (depending on the options)\n");
1964 printf(
" none (sink filter)\n");
1970 printf(
"This filter has support for timeline through the 'enable' option.\n");
1973 "can not to satisfy request\n");
1990 printf(
"Bit stream filter %s\n", bsf->
name);
2005 par = strchr(topic,
'=');
2011 }
else if (!strcmp(topic,
"decoder")) {
2013 }
else if (!strcmp(topic,
"encoder")) {
2015 }
else if (!strcmp(topic,
"demuxer")) {
2017 }
else if (!strcmp(topic,
"muxer")) {
2019 }
else if (!strcmp(topic,
"protocol")) {
2022 }
else if (!strcmp(topic,
"filter")) {
2023 show_help_filter(par);
2025 }
else if (!strcmp(topic,
"bsf")) {
2040 while (c !=
'\n' && c != EOF)
2047 const char *preset_name,
int is_path,
2048 const char *codec_name)
2052 const char *
base[3] = { getenv(
"FFMPEG_DATADIR"),
2057 av_strlcpy(filename, preset_name, filename_size);
2058 f = fopen(filename,
"r");
2060 #if HAVE_GETMODULEHANDLE && defined(_WIN32) 2061 char datadir[MAX_PATH], *ls;
2064 if (GetModuleFileNameA(GetModuleHandleA(
NULL), datadir,
sizeof(datadir) - 1))
2066 for (ls = datadir; ls < datadir + strlen(datadir); ls++)
2067 if (*ls ==
'\\') *ls =
'/';
2069 if (ls = strrchr(datadir,
'/'))
2072 strncat(datadir,
"/ffpresets",
sizeof(datadir) - 1 - strlen(datadir));
2077 for (i = 0; i < 3 && !
f; i++) {
2080 snprintf(filename, filename_size,
"%s%s/%s.ffpreset", base[i],
2081 i != 1 ?
"" :
"/.ffmpeg", preset_name);
2082 f = fopen(filename,
"r");
2083 if (!f && codec_name) {
2085 "%s%s/%s-%s.ffpreset",
2086 base[i], i != 1 ?
"" :
"/.ffmpeg", codec_name,
2088 f = fopen(filename,
"r");
2134 char *p = strchr(t->
key,
':');
2139 case 1: *p = 0;
break;
2150 else if (t->
key[0] == prefix &&
2172 "Could not alloc memory for stream options.\n");
2183 if (new_size >= INT_MAX / elem_size) {
2187 if (*size < new_size) {
2193 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
2208 theta -= 360*floor(theta/360 + 0.9/360);
2210 if (fabs(theta - 90*
round(theta/90)) > 2)
2212 "If you want to help, upload a sample " 2213 "of this file to https://streams.videolan.org/upload/ " 2214 "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)");
2228 printf(
"Auto-detected sources for %s:\n", fmt->
name);
2231 printf(
"Cannot list sources. Not implemented.\n");
2236 printf(
"Cannot list sources.\n");
2240 for (i = 0; i < device_list->
nb_devices; i++) {
2241 printf(
"%s %s [%s]\n", device_list->
default_device == i ?
"*" :
" ",
2258 printf(
"Auto-detected sinks for %s:\n", fmt->
name);
2261 printf(
"Cannot list sinks. Not implemented.\n");
2266 printf(
"Cannot list sinks.\n");
2270 for (i = 0; i < device_list->
nb_devices; i++) {
2271 printf(
"%s %s [%s]\n", device_list->
default_device == i ?
"*" :
" ",
2280 static int show_sinks_sources_parse_arg(
const char *
arg,
char **dev,
AVDictionary **opts)
2284 char *opts_str =
NULL;
2289 if ((opts_str = strchr(*dev,
','))) {
2290 *(opts_str++) =
'\0';
2297 printf(
"\nDevice name is not provided.\n" 2298 "You can pass devicename[,opt1=val1[,opt2=val2...]] as an argument.\n\n");
2302 int show_sources(
void *optctx,
const char *opt,
const char *arg)
2312 if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
2318 if (!strcmp(fmt->
name,
"lavfi"))
2322 print_device_sources(fmt, opts);
2330 print_device_sources(fmt, opts);
2340 int show_sinks(
void *optctx,
const char *opt,
const char *arg)
2350 if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
2358 print_device_sinks(fmt, opts);
2366 print_device_sinks(fmt, opts);
#define AV_PIX_FMT_FLAG_PAL
Pixel format has a palette in data[1], values are indexes in this palette.
void init_dynload(void)
Initialize dynamic library loading.
int parse_optgroup(void *optctx, OptionGroup *g)
Parse an options group and write results into optctx.
const AVBitStreamFilter * av_bsf_get_by_name(const char *name)
#define AV_CODEC_PROP_INTRA_ONLY
Codec uses only intra compression.
AVDictionary * resample_opts
const AVClass * priv_class
A class for the private data, used to declare bitstream filter private AVOptions. ...
AVOutputFormat * av_output_audio_device_next(AVOutputFormat *d)
Audio output devices iterator.
Number of sample formats. DO NOT USE if linking dynamically.
static enum AVPixelFormat pix_fmt
void av_bprintf(AVBPrint *buf, const char *fmt,...)
int show_decoders(void *optctx, const char *opt, const char *arg)
Print a listing containing all the decoders supported by the program.
const char * name
< group name
static void finish_group(OptionParseContext *octx, int group_idx, const char *arg)
void av_max_alloc(size_t max)
Set the maximum size that may be allocated in one block.
static void show_help_protocol(const char *name)
int av_codec_is_encoder(const AVCodec *codec)
int show_license(void *optctx, const char *opt, const char *arg)
Print the license of the program to stdout.
#define AV_CODEC_PROP_LOSSY
Codec supports lossy compression.
#define AV_OPT_FLAG_SUBTITLE_PARAM
double get_rotation(AVStream *st)
char * device_description
human friendly name
#define AV_LOG_WARNING
Something somehow does not look correct.
char * av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt)
Generate a string corresponding to the sample format with sample_fmt, or a header if sample_fmt is ne...
Main libavfilter public API header.
int av_parse_time(int64_t *timeval, const char *timestr, int duration)
Parse timestr and return in *time a corresponding number of microseconds.
void av_log_set_level(int level)
Set the log level.
int split_commandline(OptionParseContext *octx, int argc, char *argv[], const OptionDef *options, const OptionGroupDef *groups, int nb_groups)
Split the commandline into an intermediate form convenient for further processing.
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
Return the number of bits per pixel used by the pixel format described by pixdesc.
const AVClass * av_opt_child_class_next(const AVClass *parent, const AVClass *prev)
Iterate over potential AVOptions-enabled children of parent.
#define AV_CODEC_CAP_HARDWARE
Codec is backed by a hardware implementation.
int opt_loglevel(void *optctx, const char *opt, const char *arg)
Set the libav* libraries log level.
int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
Check if the given stream matches a stream specifier.
#define AVFILTER_FLAG_DYNAMIC_INPUTS
The number of the filter inputs is not determined just by AVFilter.inputs.
enum AVMediaType avfilter_pad_get_type(const AVFilterPad *pads, int pad_idx)
Get the type of an AVFilterPad.
char * device_name
device name, format depends on device
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
#define AV_OPT_FLAG_AUDIO_PARAM
int av_codec_is_decoder(const AVCodec *codec)
#define us(width, name, range_min, range_max, subs,...)
void show_banner(int argc, char **argv, const OptionDef *options)
Print the program banner to stderr.
static int is_device(const AVClass *avclass)
int show_protocols(void *optctx, const char *opt, const char *arg)
Print a listing containing all the protocols supported by the program.
int show_demuxers(void *optctx, const char *opt, const char *arg)
Print a listing containing all the demuxer supported by the program (including devices).
const char * sep
Option to be used as group separator.
#define GET_CH_LAYOUT_DESC(ch_layout)
static const AVOption * opt_find(void *obj, const char *name, const char *unit, int opt_flags, int search_flags)
#define AV_CODEC_CAP_EXPERIMENTAL
Codec is experimental and is thus avoided in favor of non experimental encoders.
#define AV_CODEC_CAP_CHANNEL_CONF
Codec should fill in channel configuration and samplerate instead of container.
int show_devices(void *optctx, const char *opt, const char *arg)
Print a listing containing all the devices supported by the program.
int show_formats(void *optctx, const char *opt, const char *arg)
Print a listing containing all the formats supported by the program (including devices).
const AVClass * sws_get_class(void)
Get the AVClass for swsContext.
static void error(const char *err)
#define AV_CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
static void check_options(const OptionDef *po)
const AVCodec * av_codec_iterate(void **opaque)
Iterate over all registered codecs.
int show_pix_fmts(void *optctx, const char *opt, const char *arg)
Print a listing containing all the pixel formats supported by the program.
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
AVDictionary * filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id, AVFormatContext *s, AVStream *st, AVCodec *codec)
Filter out options for given codec.
int av_bprint_finalize(AVBPrint *buf, char **ret_str)
Finalize a print buffer.
Macro definitions for various function/variable attributes.
static struct codec_string codecs[]
static void(* program_exit)(int ret)
void * av_calloc(size_t nmemb, size_t size)
Non-inlined equivalent of av_mallocz_array().
void uninit_parse_context(OptionParseContext *octx)
Free all allocated memory in an OptionParseContext.
int av_get_standard_channel_layout(unsigned index, uint64_t *layout, const char **name)
Get the value and name of a standard channel layout.
AVCodec * avcodec_find_decoder_by_name(const char *name)
Find a registered decoder with the specified name.
const AVClass * avcodec_get_class(void)
Get the AVClass for AVCodecContext.
static int show_formats_devices(void *optctx, const char *opt, const char *arg, int device_only, int muxdemuxers)
#define AV_LOG_QUIET
Print no output.
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
#define av_assert0(cond)
assert() equivalent, that is always enabled.
int show_codecs(void *optctx, const char *opt, const char *arg)
Print a listing containing all the codecs supported by the program.
static double cb(void *priv, double x, double y)
static void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len, int clip)
static void dump_argument(const char *a)
void register_exit(void(*cb)(int ret))
Register a program-specific cleanup routine.
void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
Trivial log callback.
av_cold struct SwrContext * swr_alloc(void)
Allocate SwrContext.
Opaque data information usually continuous.
int opt_default(void *optctx, const char *opt, const char *arg)
Fallback for options that are not explicitly handled, these will be parsed through AVOptions...
void avdevice_free_list_devices(AVDeviceInfoList **device_list)
Convenient function to free result of avdevice_list_devices().
#define AV_LOG_PANIC
Something went really wrong and we will crash now.
#define va_copy(dst, src)
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
static const OptionGroupDef groups[]
static unsigned get_codecs_sorted(const AVCodecDescriptor ***rcodecs)
#define AV_CODEC_PROP_LOSSLESS
Codec supports lossless compression.
int opt_max_alloc(void *optctx, const char *opt, const char *arg)
static av_cold int end(AVCodecContext *avctx)
#define media_type_string
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
int avformat_match_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
Check if the stream st contained in s is matched by the stream specifier spec.
static void init_parse_context(OptionParseContext *octx, const OptionGroupDef *groups, int nb_groups)
#define AV_IS_INPUT_DEVICE(category)
int show_muxers(void *optctx, const char *opt, const char *arg)
Print a listing containing all the muxers supported by the program (including devices).
int show_buildconf(void *optctx, const char *opt, const char *arg)
Print the build configuration of the program to stdout.
uint8_t * av_stream_get_side_data(const AVStream *stream, enum AVPacketSideDataType type, int *size)
Get side information from stream.
void init_opts(void)
Initialize the cmdutils option system, in particular allocate the *_opts contexts.
AVStream ** streams
A list of all streams in the file.
int flags
A combination of AVFILTER_FLAG_*.
AVOutputFormat * av_output_video_device_next(AVOutputFormat *d)
Video output devices iterator.
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
void parse_options(void *optctx, int argc, char **argv, const OptionDef *options, void(*parse_arg_function)(void *, const char *))
static void print_all_libs_info(int flags, int level)
#define AV_LOG_VERBOSE
Detailed information.
static const AVCodec * next_codec_for_id(enum AVCodecID id, void **iter, int encoder)
const AVClass * avformat_get_class(void)
Get the AVClass for AVFormatContext.
void parse_loglevel(int argc, char **argv, const OptionDef *options)
Find the '-loglevel' option in the command line args and apply it.
#define AVFILTER_FLAG_DYNAMIC_OUTPUTS
The number of the filter outputs is not determined just by AVFilter.outputs.
void show_help_options(const OptionDef *options, const char *msg, int req_flags, int rej_flags, int alt_flags)
Print help for all options matching specified flags.
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
Allocate, reallocate, or free an array.
static void print_codecs(int encoder)
int locate_option(int argc, char **argv, const OptionDef *options, const char *optname)
Return index of option opt in argv or 0 if not found.
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
AVDictionary ** setup_find_stream_info_opts(AVFormatContext *s, AVDictionary *codec_opts)
Setup AVCodecContext options for avformat_find_stream_info().
const AVOutputFormat * av_muxer_iterate(void **opaque)
Iterate over all registered muxers.
AVDictionary * format_opts
int show_help(void *optctx, const char *opt, const char *arg)
Generic -h handler common to all fftools.
A filter pad used for either input or output.
static void * av_x_if_null(const void *p, const void *x)
Return x default pointer in case p is NULL.
Main libavdevice API header.
int flags
Option flags that must be set on each option that is applied to this group.
libswresample public header
#define fc(width, name, range_min, range_max)
#define i(width, name, range_min, range_max)
AVCodecID
Identify the syntax and semantics of the bitstream.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl, char *line, int line_size, int *print_prefix)
Format a line of log the same way as the default callback.
#define AV_OPT_FLAG_FILTERING_PARAM
a generic parameter which can be set by the user for filtering
const char * avio_enum_protocols(void **opaque, int output)
Iterate through names of available protocols.
int show_sample_fmts(void *optctx, const char *opt, const char *arg)
Print a listing containing all the sample formats supported by the program.
#define sws_isSupportedOutput(x)
The libswresample context.
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
int capabilities
Codec capabilities.
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
enum AVMediaType codec_type
General type of the encoded data.
ff_const59 AVInputFormat * av_find_input_format(const char *short_name)
Find AVInputFormat based on the short name of the input format.
AVCodec * avcodec_find_encoder(enum AVCodecID id)
Find a registered encoder with a matching codec ID.
static void show_help_muxer(const char *name)
int parse_option(void *optctx, const char *opt, const char *arg, const OptionDef *options)
Parse one given option.
#define AV_LOG_SKIP_REPEATED
Skip repeated messages, this requires the user app to use av_log() instead of (f)printf as the 2 woul...
#define AV_PIX_FMT_FLAG_HWACCEL
Pixel format is an HW accelerated format.
simple assert() macros that are a bit more flexible than ISO C assert().
#define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name)
int av_log_get_level(void)
Get the current log level.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
const char * name
Name of the codec implementation.
int av_match_name(const char *name, const char *names)
Match instances of a name in a comma-separated list of names.
static av_always_inline av_const double round(double x)
AVClassCategory category
Category used for visualization (like color) This is only set if the category is equal for all object...
Libavutil version macros.
const char * long_name
A more descriptive name for this codec.
AVDeviceInfo ** devices
list of autodetected devices
static const uint8_t offset[127][2]
int show_filters(void *optctx, const char *opt, const char *arg)
Print a listing containing all the filters supported by the program.
size_t av_strlcpy(char *dst, const char *src, size_t size)
Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst.
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
void av_log_default_callback(void *ptr, int level, const char *fmt, va_list vl)
Default logging callback.
int av_parse_cpu_caps(unsigned *flags, const char *s)
Parse CPU caps from a string and update the given AV_CPU_* flags based on that.
#define AV_CODEC_CAP_VARIABLE_FRAME_SIZE
Audio encoder supports receiving a different number of samples in each call.
static const OptionDef * find_option(const OptionDef *po, const char *name)
const char * av_get_known_color_name(int color_idx, const uint8_t **rgbp)
Get the name of a color from the internal table of hard-coded named colors.
int props
Codec properties, a combination of AV_CODEC_PROP_* flags.
const AVFilter * avfilter_get_by_name(const char *name)
Get a filter definition matching the given name.
const int program_birth_year
program birth year, defined by the program for show_banner()
const AVOption * av_opt_find(void *obj, const char *name, const char *unit, int opt_flags, int search_flags)
Look for an option in an object.
#define FFDIFFSIGN(x, y)
Comparator.
#define AV_IS_OUTPUT_DEVICE(category)
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
int avdevice_list_input_sources(AVInputFormat *device, const char *device_name, AVDictionary *device_options, AVDeviceInfoList **device_list)
List devices.
enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc)
int opt_report(void *optctx, const char *opt, const char *arg)
uint8_t nb_components
The number of components each pixel has, (1-4)
#define AV_CODEC_CAP_DRAW_HORIZ_BAND
Decoder can use draw_horiz_band callback.
int show_colors(void *optctx, const char *opt, const char *arg)
Print a listing containing all the color names and values recognized by the program.
AVCodec * avcodec_find_encoder_by_name(const char *name)
Find a registered encoder with the specified name.
int flags
miscellaneous flags such as SWR_FLAG_RESAMPLE
static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl)
#define AV_CODEC_CAP_SMALL_LAST_FRAME
Codec can be fed a final frame with a smaller size.
void av_log_set_callback(void(*callback)(void *, int, const char *, va_list))
Set the logging callback.
#define AV_OPT_SEARCH_CHILDREN
Search in possible children of the given object first.
int show_bsfs(void *optctx, const char *opt, const char *arg)
Print a listing containing all the bit stream filters supported by the program.
static void print_codecs_for_id(enum AVCodecID id, int encoder)
static int init_report(const char *env)
#define GET_PIX_FMT_NAME(pix_fmt)
#define av_err2str(errnum)
Convenience macro, the return value should be used only directly in function arguments but never stan...
int avdevice_list_output_sinks(AVOutputFormat *device, const char *device_name, AVDictionary *device_options, AVDeviceInfoList **device_list)
const OptionGroupDef * group_def
A list of option groups that all have the same group type (e.g.
void sws_freeContext(struct SwsContext *swsContext)
Free the swscaler context swsContext.
void show_help_default(const char *opt, const char *arg)
Per-fftool specific help handler.
#define AV_OPT_FLAG_BSF_PARAM
a generic parameter which can be set by the user for bit stream filtering
AVDictionary * resample_opts
static int av_bprint_is_complete(const AVBPrint *buf)
Test if the print buffer is complete (not truncated).
#define sws_isSupportedInput(x)
Opaque data information usually sparse.
const AVClass * swr_get_class(void)
Get the AVClass for SwrContext.
int opt_timelimit(void *optctx, const char *opt, const char *arg)
Limit the execution time.
const AVInputFormat * av_demuxer_iterate(void **opaque)
Iterate over all registered demuxers.
#define GET_SAMPLE_FMT_NAME(sample_fmt)
#define FF_ARRAY_ELEMS(a)
void exit_program(int ret)
Wraps exit with a program-specific cleanup routine.
ff_const59 struct AVOutputFormat * oformat
The output container format.
const AVFilterPad * inputs
List of inputs, terminated by a zeroed element.
attribute_deprecated const AVClass * avresample_get_class(void)
static char get_media_type_char(enum AVMediaType type)
#define AV_CODEC_CAP_SLICE_THREADS
Codec supports slice-based (or partition-based) multithreading.
double av_strtod(const char *numstr, char **tail)
Parse the string in numstr and return its value as a double.
int av_dict_parse_string(AVDictionary **pm, const char *str, const char *key_val_sep, const char *pairs_sep, int flags)
Parse the key/value pairs list and add the parsed entries to a dictionary.
#define GET_SAMPLE_RATE_NAME(rate)
const char * long_name
Descriptive name for the codec, meant to be more human readable than name.
const AVClass * priv_class
A class for the private data, used to declare filter private AVOptions.
const AVCodecDescriptor * avcodec_descriptor_next(const AVCodecDescriptor *prev)
Iterate over all codec descriptors known to libavcodec.
int(* func_arg)(void *, const char *, const char *)
#define AV_LOG_INFO
Standard information.
AVInputFormat * av_input_video_device_next(AVInputFormat *d)
Video input devices iterator.
#define AV_BPRINT_SIZE_AUTOMATIC
char * av_strdup(const char *s)
Duplicate a string.
const AVRational * supported_framerates
array of supported framerates, or NULL if any, array is terminated by {0,0}
AVSampleFormat
Audio sample formats.
typedef void(RENAME(mix_any_func_type))
int(* process_command)(AVFilterContext *, const char *cmd, const char *arg, char *res, int res_len, int flags)
Make the filter instance process a command.
int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags)
Show the obj options.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
#define AV_OPT_FLAG_VIDEO_PARAM
const AVCodecHWConfig * avcodec_get_hw_config(const AVCodec *codec, int index)
Retrieve supported hardware configurations for a codec.
int av_log_get_flags(void)
av_cold void swr_free(SwrContext **ss)
Free the given SwrContext and set the pointer to NULL.
static void encode(AVCodecContext *ctx, AVFrame *frame, AVPacket *pkt, FILE *output)
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
#define AV_CODEC_CAP_HYBRID
Codec is potentially backed by a hardware implementation, but not necessarily.
Replacements for frequently missing libm functions.
FILE * get_preset_file(char *filename, size_t filename_size, const char *preset_name, int is_path, const char *codec_name)
Get a file corresponding to a preset file.
const OptionGroupDef * group_def
static const uint16_t channel_layouts[7]
#define PRINT_LIB_INFO(libname, LIBNAME, flags, level)
Describe the class of an AVClass context structure.
AVInputFormat * av_input_audio_device_next(AVInputFormat *d)
Audio input devices iterator.
const char * av_hwdevice_get_type_name(enum AVHWDeviceType type)
Get the string name of an AVHWDeviceType.
static av_const int av_toupper(int c)
Locale-independent conversion of ASCII characters to uppercase.
#define AV_CODEC_CAP_SUBFRAMES
Codec can output multiple frames per AVPacket Normally demuxers return one frame at a time...
ff_const59 AVOutputFormat * av_guess_format(const char *short_name, const char *filename, const char *mime_type)
Return the output format in the list of registered output formats which best matches the provided par...
Rational number (pair of numerator and denominator).
static void expand_filename_template(AVBPrint *bp, const char *template, struct tm *tm)
const AVFilter * av_filter_iterate(void **opaque)
Iterate over all registered filters.
#define AV_OPT_FLAG_DECODING_PARAM
a generic parameter which can be set by the user for demuxing or decoding
int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
Parse a string specifying a time and return its corresponding value as a number of microseconds...
void * grow_array(void *array, int elem_size, int *size, int new_size)
Realloc array to hold new_size elements of elem_size.
const char * name
Filter name.
const char * name
Name of the codec described by this descriptor.
const char * avfilter_pad_get_name(const AVFilterPad *pads, int pad_idx)
Get the name of an AVFilterPad.
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
const AVBitStreamFilter * av_bsf_iterate(void **opaque)
Iterate over all registered bitstream filters.
static void print_codec(const AVCodec *c)
int default_device
index of default device or -1 if no default
#define AV_PIX_FMT_FLAG_BITSTREAM
All values of a component are bit-wise packed end to end.
struct SwsContext * sws_alloc_context(void)
Allocate an empty SwsContext.
AVCodec * avcodec_find_decoder(enum AVCodecID id)
Find a registered decoder with a matching codec ID.
size_t av_strlcat(char *dst, const char *src, size_t size)
Append the string src to the string dst, but to a total length of no more than size - 1 bytes...
static enum AVPixelFormat pix_fmts[]
This struct describes the properties of a single codec described by an AVCodecID. ...
double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
Parse a string and return its corresponding value as a double.
#define AV_CODEC_CAP_TRUNCATED
#define flags(name, subs,...)
const AVClass * priv_class
AVClass for the private context.
static int match_group_separator(const OptionGroupDef *groups, int nb_groups, const char *opt)
static int swscale(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
Put a description of the AVERROR code errnum in errbuf.
An option extracted from the commandline.
static FILE * report_file
void print_error(const char *filename, int err)
Print an error message to stderr, indicating filename and a human readable description of the error c...
const OptionDef options[]
AVDictionary * codec_opts
AVDictionary * format_opts
static void show_help_bsf(const char *name)
#define AV_CODEC_CAP_PARAM_CHANGE
Codec supports changed parameters at any point.
#define AVFILTER_FLAG_SUPPORT_TIMELINE
Handy mask to test whether the filter supports or no the timeline feature (internally or generically)...
static enum AVCodecID codec_ids[]
static void print_buildconf(int flags, int level)
#define AV_OPT_SEARCH_FAKE_OBJ
The obj passed to av_opt_find() is fake – only a double pointer to AVClass instead of a required poi...
const AVClass * avio_protocol_get_class(const char *name)
Get AVClass by names of available protocols.
void uninit_opts(void)
Uninitialize the cmdutils option system, in particular free the *_opts contexts and their contents...
#define FFMPEG_CONFIGURATION
#define GROW_ARRAY(array, nb_elems)
const char * description
A description of the filter.
const char * av_get_channel_name(uint64_t channel)
Get the name of a given channel.
#define AVERROR_OPTION_NOT_FOUND
Option not found.
static int report_file_level
int av_opt_get_key_value(const char **ropts, const char *key_val_sep, const char *pairs_sep, unsigned flags, char **rkey, char **rval)
Extract a key-value pair from the beginning of a string.
static void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
static int write_option(void *optctx, const OptionDef *po, const char *opt, const char *arg)
void av_log_set_flags(int arg)
#define AV_CODEC_CAP_AVOID_PROBING
Decoder is not a preferred choice for probing.
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
void show_help_children(const AVClass *class, int flags)
Show help for all options with given flags in class and all its children.
int show_layouts(void *optctx, const char *opt, const char *arg)
Print a listing containing all the standard channel layouts supported by the program.
int avfilter_pad_count(const AVFilterPad *pads)
Get the number of elements in a NULL-terminated array of AVFilterPads (e.g.
int opt_cpuflags(void *optctx, const char *opt, const char *arg)
Override the cpuflags.
static enum AVSampleFormat sample_fmts[]
double av_display_rotation_get(const int32_t matrix[9])
Extract the rotation component of the transformation matrix.
AVDictionary * codec_opts
#define AV_LOG_PRINT_LEVEL
Include the log severity in messages originating from codecs.
int read_yesno(void)
Return a positive value if a line read from standard input starts with [yY], otherwise return 0...
const AVFilterPad * outputs
List of outputs, terminated by a zeroed element.
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
static void show_help_demuxer(const char *name)
const char * av_get_channel_description(uint64_t channel)
Get the description of a given channel.
static int array[MAX_W *MAX_W]
#define AV_LOG_FATAL
Something went wrong and recovery is not possible.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
enum AVHWDeviceType device_type
The device type associated with the configuration.
int show_version(void *optctx, const char *opt, const char *arg)
Print the version of the program to stdout.
void av_force_cpu_flags(int arg)
Disables cpu detection and forces the specified flags.
#define GET_CODEC_NAME(id)
int nb_devices
number of autodetected devices
static void print_program_info(int flags, int level)
AVPixelFormat
Pixel format.
static double val(void *priv, double ch)
int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
const AVCodecDescriptor * avcodec_descriptor_get_by_name(const char *name)
const char program_name[]
program name, defined by the program for show_version().
static void show_help_codec(const char *name, int encoder)
static int compare_codec_desc(const void *a, const void *b)
int show_encoders(void *optctx, const char *opt, const char *arg)
Print a listing containing all the encoders supported by the program.
simple arithmetic expression evaluator
const AVPixFmtDescriptor * av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev)
Iterate over all pixel format descriptors known to libavutil.
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
static void add_opt(OptionParseContext *octx, const OptionDef *opt, const char *key, const char *val)
void av_bprint_chars(AVBPrint *buf, char c, unsigned n)
Append char c n times to a print buffer.