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/*
* Various utilities for command line tools
* Copyright (c) 2000-2003 Fabrice Bellard
* |
b78e7197 |
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or |
01310af2 |
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either |
b78e7197 |
* version 2.1 of the License, or (at your option) any later version. |
01310af2 |
* |
b78e7197 |
* FFmpeg is distributed in the hope that it will be useful, |
01310af2 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public |
b78e7197 |
* License along with FFmpeg; if not, write to the Free Software |
5509bffa |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
01310af2 |
*/ |
364a9607 |
|
0f4e8165 |
#include <string.h>
#include <stdlib.h>
#include <errno.h> |
7c84b8bc |
#include <math.h> |
0f4e8165 |
|
2cd39dbf |
/* Include only the enabled headers since some compilers (namely, Sun
Studio) will not omit unused inline functions and create undefined
references to libraries that are not being built. */
|
63d026b1 |
#include "config.h" |
e1b44960 |
#include "compat/va_copy.h" |
245976da |
#include "libavformat/avformat.h"
#include "libavfilter/avfilter.h"
#include "libavdevice/avdevice.h" |
bcb82fe1 |
#include "libavresample/avresample.h" |
db6d50c7 |
#include "libswscale/swscale.h" |
3bd02db9 |
#include "libswresample/swresample.h" |
014f8d81 |
#if CONFIG_POSTPROC |
1981deaf |
#include "libpostproc/postprocess.h" |
014f8d81 |
#endif |
7cf78b34 |
#include "libavutil/avassert.h" |
245976da |
#include "libavutil/avstring.h" |
85770d6e |
#include "libavutil/mathematics.h" |
d55c2e05 |
#include "libavutil/imgutils.h" |
40c3fe2c |
#include "libavutil/parseutils.h" |
9cb5c760 |
#include "libavutil/pixdesc.h" |
25e25617 |
#include "libavutil/eval.h" |
9ba38229 |
#include "libavutil/dict.h" |
41d0eb1c |
#include "libavutil/opt.h" |
01310af2 |
#include "cmdutils.h" |
86074ed1 |
#include "version.h" |
da2dc39e |
#if CONFIG_NETWORK |
245976da |
#include "libavformat/network.h" |
da2dc39e |
#endif |
ffcc6e24 |
#if HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif |
01310af2 |
|
85663ef3 |
struct SwsContext *sws_opts; |
be4cde22 |
SwrContext *swr_opts; |
8c8eab8b |
AVDictionary *format_opts, *codec_opts; |
086ab001 |
|
f2310fff |
const int this_year = 2013; |
ef4c0bb1 |
|
337ce558 |
static FILE *report_file;
|
a5c33faa |
void init_opts(void)
{ |
89cf5bf3 |
if(CONFIG_SWSCALE)
sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC, |
cbaef7d1 |
NULL, NULL, NULL); |
89cf5bf3 |
if(CONFIG_SWRESAMPLE)
swr_opts = swr_alloc(); |
a5c33faa |
}
void uninit_opts(void)
{ |
be4876ea |
#if CONFIG_SWSCALE |
faf8d3dd |
sws_freeContext(sws_opts);
sws_opts = NULL; |
be4876ea |
#endif |
89cf5bf3 |
if(CONFIG_SWRESAMPLE)
swr_free(&swr_opts);
|
9ba38229 |
av_dict_free(&format_opts); |
8c8eab8b |
av_dict_free(&codec_opts); |
a5c33faa |
}
|
cbaef7d1 |
void log_callback_help(void *ptr, int level, const char *fmt, va_list vl) |
1790d3b3 |
{
vfprintf(stdout, fmt, vl);
}
|
337ce558 |
static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl)
{
va_list vl2;
char line[1024];
static int print_prefix = 1;
va_copy(vl2, vl);
av_log_default_callback(ptr, level, fmt, vl);
av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
va_end(vl2);
fputs(line, report_file);
fflush(report_file);
}
|
cbaef7d1 |
double parse_number_or_die(const char *context, const char *numstr, int type,
double min, double max) |
086ab001 |
{
char *tail;
const char *error; |
25e25617 |
double d = av_strtod(numstr, &tail); |
086ab001 |
if (*tail) |
cbaef7d1 |
error = "Expected number for %s but found: %s\n"; |
086ab001 |
else if (d < min || d > max) |
cbaef7d1 |
error = "The value for %s was %s which is not within %f - %f\n";
else if (type == OPT_INT64 && (int64_t)d != d)
error = "Expected int64 for %s but found %s\n"; |
584c2f1d |
else if (type == OPT_INT && (int)d != d) |
cbaef7d1 |
error = "Expected int for %s but found %s\n"; |
086ab001 |
else
return d; |
1c5e9551 |
av_log(NULL, AV_LOG_FATAL, error, context, numstr, min, max); |
dad09ff9 |
exit_program(1);
return 0; |
086ab001 |
}
|
cbaef7d1 |
int64_t parse_time_or_die(const char *context, const char *timestr,
int is_duration) |
7542157d |
{ |
40c3fe2c |
int64_t us;
if (av_parse_time(&us, timestr, is_duration) < 0) { |
1c5e9551 |
av_log(NULL, AV_LOG_FATAL, "Invalid %s specification for %s: %s\n",
is_duration ? "duration" : "date", context, timestr); |
dad09ff9 |
exit_program(1); |
7542157d |
}
return us;
}
|
7c501212 |
void show_help_options(const OptionDef *options, const char *msg, int req_flags, |
f9fada27 |
int rej_flags, int alt_flags) |
01310af2 |
{
const OptionDef *po; |
02d504a7 |
int first; |
01310af2 |
|
02d504a7 |
first = 1; |
cbaef7d1 |
for (po = options; po->name != NULL; po++) { |
02d504a7 |
char buf[64]; |
7c501212 |
if (((po->flags & req_flags) != req_flags) || |
f9fada27 |
(alt_flags && !(po->flags & alt_flags)) || |
7c501212 |
(po->flags & rej_flags))
continue;
if (first) {
printf("%s\n", msg);
first = 0;
}
av_strlcpy(buf, po->name, sizeof(buf)); |
a3ad68d3 |
if (po->argname) { |
7c501212 |
av_strlcat(buf, " ", sizeof(buf));
av_strlcat(buf, po->argname, sizeof(buf)); |
01310af2 |
} |
7c501212 |
printf("-%-17s %s\n", buf, po->help); |
01310af2 |
} |
dc4c24a3 |
printf("\n"); |
01310af2 |
}
|
7a6cd995 |
void show_help_children(const AVClass *class, int flags)
{
const AVClass *child = NULL; |
ad5043e2 |
if (class->option) {
av_opt_show2(&class, NULL, flags, 0);
printf("\n");
} |
7a6cd995 |
while (child = av_opt_child_class_next(class, child))
show_help_children(child, flags);
}
|
cbaef7d1 |
static const OptionDef *find_option(const OptionDef *po, const char *name)
{ |
d70e5122 |
const char *p = strchr(name, ':');
int len = p ? p - name : strlen(name);
|
8bbf6db9 |
while (po->name != NULL) { |
d70e5122 |
if (!strncmp(name, po->name, len) && strlen(po->name) == len) |
8bbf6db9 |
break;
po++;
}
return po;
}
|
b1ac139d |
#if defined(_WIN32) && !defined(__MINGW32CE__) |
ba9327ea |
#include <windows.h> |
66a29797 |
#include <shellapi.h> |
b1ac139d |
/* Will be leaked on exit */
static char** win32_argv_utf8 = NULL;
static int win32_argc = 0;
/**
* Prepare command line arguments for executable.
* For Windows - perform wide-char to UTF-8 conversion.
* Input arguments should be main() function arguments.
* @param argc_ptr Arguments number (including executable)
* @param argv_ptr Arguments list.
*/
static void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
{
char *argstr_flat;
wchar_t **argv_w;
int i, buffsize = 0, offset = 0;
if (win32_argv_utf8) {
*argc_ptr = win32_argc;
*argv_ptr = win32_argv_utf8;
return;
}
win32_argc = 0;
argv_w = CommandLineToArgvW(GetCommandLineW(), &win32_argc);
if (win32_argc <= 0 || !argv_w)
return;
/* determine the UTF-8 buffer size (including NULL-termination symbols) */
for (i = 0; i < win32_argc; i++)
buffsize += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
NULL, 0, NULL, NULL);
|
cbaef7d1 |
win32_argv_utf8 = av_mallocz(sizeof(char *) * (win32_argc + 1) + buffsize);
argstr_flat = (char *)win32_argv_utf8 + sizeof(char *) * (win32_argc + 1); |
b1ac139d |
if (win32_argv_utf8 == NULL) {
LocalFree(argv_w);
return;
}
for (i = 0; i < win32_argc; i++) {
win32_argv_utf8[i] = &argstr_flat[offset];
offset += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
&argstr_flat[offset],
buffsize - offset, NULL, NULL);
}
win32_argv_utf8[i] = NULL;
LocalFree(argv_w);
*argc_ptr = win32_argc;
*argv_ptr = win32_argv_utf8;
}
#else
static inline void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
{
/* nothing to do */
}
#endif /* WIN32 && !__MINGW32CE__ */
|
cbaef7d1 |
int parse_option(void *optctx, const char *opt, const char *arg,
const OptionDef *options) |
01310af2 |
{
const OptionDef *po; |
2f8e586d |
int bool_val = 1; |
6361c5e1 |
int *dstcount; |
2f8e586d |
void *dst;
po = find_option(options, opt);
if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
/* handle 'no' bool option */
po = find_option(options, opt + 2); |
570f6aaa |
if ((po->name && (po->flags & OPT_BOOL)))
bool_val = 0; |
2f8e586d |
}
if (!po->name)
po = find_option(options, "default");
if (!po->name) {
av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
return AVERROR(EINVAL);
}
if (po->flags & HAS_ARG && !arg) {
av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'\n", opt);
return AVERROR(EINVAL);
}
/* new-style options contain an offset into optctx, old-style address of
* a global var*/ |
cbaef7d1 |
dst = po->flags & (OPT_OFFSET | OPT_SPEC) ? (uint8_t *)optctx + po->u.off
: po->u.dst_ptr; |
6361c5e1 |
if (po->flags & OPT_SPEC) {
SpecifierOpt **so = dst;
char *p = strchr(opt, ':');
|
cbaef7d1 |
dstcount = (int *)(so + 1); |
6361c5e1 |
*so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1);
(*so)[*dstcount - 1].specifier = av_strdup(p ? p + 1 : "");
dst = &(*so)[*dstcount - 1].u;
} |
2f8e586d |
if (po->flags & OPT_STRING) {
char *str;
str = av_strdup(arg); |
bec180e1 |
// av_freep(dst); |
cbaef7d1 |
*(char **)dst = str; |
2f8e586d |
} else if (po->flags & OPT_BOOL) { |
cbaef7d1 |
*(int *)dst = bool_val; |
2f8e586d |
} else if (po->flags & OPT_INT) { |
cbaef7d1 |
*(int *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX); |
2f8e586d |
} else if (po->flags & OPT_INT64) { |
cbaef7d1 |
*(int64_t *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX); |
6b779ccc |
} else if (po->flags & OPT_TIME) { |
cbaef7d1 |
*(int64_t *)dst = parse_time_or_die(opt, arg, 1); |
2f8e586d |
} else if (po->flags & OPT_FLOAT) { |
cbaef7d1 |
*(float *)dst = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY); |
33f75d72 |
} else if (po->flags & OPT_DOUBLE) { |
cbaef7d1 |
*(double *)dst = parse_number_or_die(opt, arg, OPT_DOUBLE, -INFINITY, INFINITY); |
2f8e586d |
} else if (po->u.func_arg) { |
11d957fb |
int ret = po->u.func_arg(optctx, opt, arg); |
2f8e586d |
if (ret < 0) { |
cbaef7d1 |
av_log(NULL, AV_LOG_ERROR,
"Failed to set value '%s' for option '%s'\n", arg, opt); |
2f8e586d |
return ret;
}
}
if (po->flags & OPT_EXIT)
exit_program(0);
return !!(po->flags & HAS_ARG);
}
|
7cc8d638 |
void parse_options(void *optctx, int argc, char **argv, const OptionDef *options, |
cbaef7d1 |
void (*parse_arg_function)(void *, const char*)) |
01310af2 |
{ |
2f8e586d |
const char *opt;
int optindex, handleoptions = 1, ret; |
01310af2 |
|
b1ac139d |
/* perform system-dependent conversions for arguments list */
prepare_app_arguments(&argc, &argv);
|
01310af2 |
/* parse options */
optindex = 1;
while (optindex < argc) {
opt = argv[optindex++]; |
115329f1 |
|
84bf226b |
if (handleoptions && opt[0] == '-' && opt[1] != '\0') { |
3749076c |
if (opt[1] == '-' && opt[2] == '\0') {
handleoptions = 0;
continue;
} |
c3c78324 |
opt++; |
2f8e586d |
if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0) |
dad09ff9 |
exit_program(1); |
2f8e586d |
optindex += ret; |
01310af2 |
} else { |
60a9966e |
if (parse_arg_function) |
7cc8d638 |
parse_arg_function(optctx, opt); |
01310af2 |
}
}
}
|
4138cd29 |
int locate_option(int argc, char **argv, const OptionDef *options,
const char *optname) |
182cbe43 |
{
const OptionDef *po;
int i;
for (i = 1; i < argc; i++) {
const char *cur_opt = argv[i];
if (*cur_opt++ != '-')
continue;
po = find_option(options, cur_opt);
if (!po->name && cur_opt[0] == 'n' && cur_opt[1] == 'o')
po = find_option(options, cur_opt + 2);
if ((!po->name && !strcmp(cur_opt, optname)) ||
(po->name && !strcmp(optname, po->name)))
return i;
if (!po || po->flags & HAS_ARG)
i++;
}
return 0;
}
|
337ce558 |
static void dump_argument(const char *a)
{
const unsigned char *p;
for (p = a; *p; p++)
if (!((*p >= '+' && *p <= ':') || (*p >= '@' && *p <= 'Z') ||
*p == '_' || (*p >= 'a' && *p <= 'z')))
break;
if (!*p) {
fputs(a, report_file);
return;
}
fputc('"', report_file);
for (p = a; *p; p++) {
if (*p == '\\' || *p == '"' || *p == '$' || *p == '`')
fprintf(report_file, "\\%c", *p);
else if (*p < ' ' || *p > '~')
fprintf(report_file, "\\x%02x", *p);
else
fputc(*p, report_file);
}
fputc('"', report_file);
}
|
182cbe43 |
void parse_loglevel(int argc, char **argv, const OptionDef *options)
{
int idx = locate_option(argc, argv, options, "loglevel"); |
8124d8ad |
if (!idx)
idx = locate_option(argc, argv, options, "v"); |
182cbe43 |
if (idx && argv[idx + 1]) |
11d957fb |
opt_loglevel(NULL, "loglevel", argv[idx + 1]); |
337ce558 |
idx = locate_option(argc, argv, options, "report");
if (idx || getenv("FFREPORT")) {
opt_report("report");
if (report_file) {
int i;
fprintf(report_file, "Command line:\n");
for (i = 0; i < argc; i++) {
dump_argument(argv[i]);
fputc(i < argc - 1 ? ' ' : '\n', report_file);
}
fflush(report_file);
}
} |
182cbe43 |
}
|
e00b2d28 |
#define FLAGS (o->type == AV_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0 |
11d957fb |
int opt_default(void *optctx, const char *opt, const char *arg) |
9ba38229 |
{ |
e00b2d28 |
const AVOption *o; |
d4863fc1 |
char opt_stripped[128];
const char *p; |
be4cde22 |
const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class(), *sc, *swr_class; |
d4863fc1 |
if (!(p = strchr(opt, ':')))
p = opt + strlen(opt);
av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1));
|
e00b2d28 |
if ((o = av_opt_find(&cc, opt_stripped, NULL, 0, |
cbaef7d1 |
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) ||
((opt[0] == 'v' || opt[0] == 'a' || opt[0] == 's') && |
e00b2d28 |
(o = av_opt_find(&cc, opt + 1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ))))
av_dict_set(&codec_opts, opt, arg, FLAGS);
else if ((o = av_opt_find(&fc, opt, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)))
av_dict_set(&format_opts, opt, arg, FLAGS); |
c7686172 |
#if CONFIG_SWSCALE |
0ddcfa42 |
sc = sws_get_class(); |
e00b2d28 |
if (!o && (o = av_opt_find(&sc, opt, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) { |
9ba38229 |
// XXX we only support sws_flags, not arbitrary sws options |
3b3ea346 |
int ret = av_opt_set(sws_opts, opt, arg, 0); |
9ba38229 |
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
return ret;
}
} |
c7686172 |
#endif |
bf6fb563 |
#if CONFIG_SWRESAMPLE |
be4cde22 |
swr_class = swr_get_class(); |
e00b2d28 |
if (!o && (o = av_opt_find(&swr_class, opt, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) { |
be4cde22 |
int ret = av_opt_set(swr_opts, opt, arg, 0);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
return ret;
}
} |
bf6fb563 |
#endif |
9ba38229 |
|
e00b2d28 |
if (o) |
9ba38229 |
return 0; |
1c5e9551 |
av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt); |
9ba38229 |
return AVERROR_OPTION_NOT_FOUND;
} |
d3190644 |
|
11d957fb |
int opt_loglevel(void *optctx, const char *opt, const char *arg) |
4c97a6fa |
{ |
da4c2dab |
const struct { const char *name; int level; } log_levels[] = { |
4c97a6fa |
{ "quiet" , AV_LOG_QUIET },
{ "panic" , AV_LOG_PANIC },
{ "fatal" , AV_LOG_FATAL },
{ "error" , AV_LOG_ERROR },
{ "warning", AV_LOG_WARNING },
{ "info" , AV_LOG_INFO },
{ "verbose", AV_LOG_VERBOSE },
{ "debug" , AV_LOG_DEBUG },
};
char *tail;
int level;
int i;
for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
if (!strcmp(log_levels[i].name, arg)) {
av_log_set_level(log_levels[i].level);
return 0;
}
}
level = strtol(arg, &tail, 10);
if (*tail) { |
1c5e9551 |
av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". "
"Possible levels are numbers or:\n", arg); |
4c97a6fa |
for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) |
1c5e9551 |
av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name); |
dad09ff9 |
exit_program(1); |
4c97a6fa |
}
av_log_set_level(level);
return 0;
}
|
337ce558 |
int opt_report(const char *opt)
{
char filename[64];
time_t now;
struct tm *tm;
if (report_file) /* already opened */
return 0;
time(&now);
tm = localtime(&now);
snprintf(filename, sizeof(filename), "%s-%04d%02d%02d-%02d%02d%02d.log",
program_name,
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
report_file = fopen(filename, "w");
if (!report_file) {
av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
filename, strerror(errno));
return AVERROR(errno);
}
av_log_set_callback(log_callback_report);
av_log(NULL, AV_LOG_INFO,
"%s started on %04d-%02d-%02d at %02d:%02d:%02d\n"
"Report written to \"%s\"\n",
program_name,
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
filename);
av_log_set_level(FFMAX(av_log_get_level(), AV_LOG_VERBOSE));
return 0;
}
|
98298eb1 |
int opt_max_alloc(void *optctx, const char *opt, const char *arg) |
c48f67f0 |
{
char *tail;
size_t max;
max = strtol(arg, &tail, 10);
if (*tail) {
av_log(NULL, AV_LOG_FATAL, "Invalid max_alloc \"%s\".\n", arg);
exit_program(1);
}
av_max_alloc(max);
return 0;
}
|
98298eb1 |
int opt_cpuflags(void *optctx, const char *opt, const char *arg) |
1060e9ce |
{ |
6df42f98 |
int ret; |
eadac34c |
unsigned flags = av_get_cpu_flags(); |
6df42f98 |
|
eadac34c |
if ((ret = av_parse_cpu_caps(&flags, arg)) < 0) |
6df42f98 |
return ret; |
1060e9ce |
av_force_cpu_flags(flags);
return 0;
}
|
98298eb1 |
int opt_codec_debug(void *optctx, const char *opt, const char *arg) |
e9adeeec |
{
av_log_set_level(AV_LOG_DEBUG); |
98298eb1 |
return opt_default(NULL, opt, arg); |
e9adeeec |
}
|
11d957fb |
int opt_timelimit(void *optctx, const char *opt, const char *arg) |
ffcc6e24 |
{ |
0104b608 |
#if HAVE_SETRLIMIT |
ffcc6e24 |
int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
struct rlimit rl = { lim, lim + 1 };
if (setrlimit(RLIMIT_CPU, &rl))
perror("setrlimit");
#else |
1c5e9551 |
av_log(NULL, AV_LOG_WARNING, "-%s not implemented on this OS\n", opt); |
ffcc6e24 |
#endif
return 0;
}
|
01310af2 |
void print_error(const char *filename, int err)
{ |
7a5bdd79 |
char errbuf[128]; |
735ef67b |
const char *errbuf_ptr = errbuf; |
7a5bdd79 |
|
9e94bd3e |
if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
errbuf_ptr = strerror(AVUNERROR(err)); |
1c5e9551 |
av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, errbuf_ptr); |
01310af2 |
} |
f35917b2 |
|
d101e731 |
static int warned_cfg = 0;
|
208749a0 |
#define INDENT 1
#define SHOW_VERSION 2 |
d101e731 |
#define SHOW_CONFIG 4 |
9ac58ba1 |
#define SHOW_COPYRIGHT 8 |
208749a0 |
|
1c5e9551 |
#define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \ |
5116571d |
if (CONFIG_##LIBNAME) { \ |
65dd2ded |
const char *indent = flags & INDENT? " " : ""; \ |
208749a0 |
if (flags & SHOW_VERSION) { \ |
b6525b4b |
unsigned int version = libname##_version(); \ |
bcb82fe1 |
av_log(NULL, level, \ |
3ead79ea |
"%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \ |
1c5e9551 |
indent, #libname, \
LIB##LIBNAME##_VERSION_MAJOR, \
LIB##LIBNAME##_VERSION_MINOR, \
LIB##LIBNAME##_VERSION_MICRO, \
version >> 16, version >> 8 & 0xff, version & 0xff); \ |
208749a0 |
} \ |
d101e731 |
if (flags & SHOW_CONFIG) { \
const char *cfg = libname##_configuration(); \ |
e528cdac |
if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \ |
d101e731 |
if (!warned_cfg) { \ |
1c5e9551 |
av_log(NULL, level, \ |
d101e731 |
"%sWARNING: library configuration mismatch\n", \ |
65dd2ded |
indent); \ |
d101e731 |
warned_cfg = 1; \
} \ |
1c5e9551 |
av_log(NULL, level, "%s%-11s configuration: %s\n", \ |
65dd2ded |
indent, #libname, cfg); \ |
d101e731 |
} \
} \ |
208749a0 |
} \ |
9a109272 |
|
1c5e9551 |
static void print_all_libs_info(int flags, int level) |
9a109272 |
{ |
1c5e9551 |
PRINT_LIB_INFO(avutil, AVUTIL, flags, level);
PRINT_LIB_INFO(avcodec, AVCODEC, flags, level);
PRINT_LIB_INFO(avformat, AVFORMAT, flags, level);
PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
PRINT_LIB_INFO(avfilter, AVFILTER, flags, level); |
3ead79ea |
// PRINT_LIB_INFO(avresample, AVRESAMPLE, flags, level); |
1c5e9551 |
PRINT_LIB_INFO(swscale, SWSCALE, flags, level); |
3bd02db9 |
PRINT_LIB_INFO(swresample,SWRESAMPLE, flags, level); |
014f8d81 |
#if CONFIG_POSTPROC |
1c5e9551 |
PRINT_LIB_INFO(postproc, POSTPROC, flags, level); |
014f8d81 |
#endif |
9a109272 |
}
|
9ac58ba1 |
static void print_program_info(int flags, int level)
{
const char *indent = flags & INDENT? " " : "";
av_log(NULL, level, "%s version " FFMPEG_VERSION, program_name);
if (flags & SHOW_COPYRIGHT)
av_log(NULL, level, " Copyright (c) %d-%d the FFmpeg developers",
program_birth_year, this_year);
av_log(NULL, level, "\n"); |
85044358 |
av_log(NULL, level, "%sbuilt on %s %s with %s\n",
indent, __DATE__, __TIME__, CC_IDENT);
|
9ac58ba1 |
av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent);
}
|
452406bd |
void show_banner(int argc, char **argv, const OptionDef *options) |
86074ed1 |
{ |
452406bd |
int idx = locate_option(argc, argv, options, "version");
if (idx)
return;
|
9ac58ba1 |
print_program_info (INDENT|SHOW_COPYRIGHT, AV_LOG_INFO); |
ecf31a68 |
print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_INFO);
print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_INFO); |
86074ed1 |
}
|
11d957fb |
int show_version(void *optctx, const char *opt, const char *arg) |
f617135b |
{ |
1c5e9551 |
av_log_set_callback(log_callback_help); |
9ac58ba1 |
print_program_info (0 , AV_LOG_INFO); |
1c5e9551 |
print_all_libs_info(SHOW_VERSION, AV_LOG_INFO); |
f617135b |
|
a0991833 |
return 0; |
86074ed1 |
}
|
11d957fb |
int show_license(void *optctx, const char *opt, const char *arg) |
f35917b2 |
{ |
7ead693b |
printf( |
3bf28f9d |
#if CONFIG_NONFREE |
304ba23a |
"This version of %s has nonfree parts compiled in.\n"
"Therefore it is not legally redistributable.\n",
program_name |
9cad0e4e |
#elif CONFIG_GPLV3
"%s is free software; you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation; either version 3 of the License, or\n"
"(at your option) any later version.\n"
"\n"
"%s is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
program_name, program_name, program_name |
7ead693b |
#elif CONFIG_GPL |
304ba23a |
"%s is free software; you can redistribute it and/or modify\n" |
f35917b2 |
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation; either version 2 of the License, or\n"
"(at your option) any later version.\n"
"\n" |
304ba23a |
"%s is distributed in the hope that it will be useful,\n" |
f35917b2 |
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n" |
304ba23a |
"along with %s; if not, write to the Free Software\n"
"Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
program_name, program_name, program_name |
9cad0e4e |
#elif CONFIG_LGPLV3
"%s is free software; you can redistribute it and/or modify\n"
"it under the terms of the GNU Lesser General Public License as published by\n"
"the Free Software Foundation; either version 3 of the License, or\n"
"(at your option) any later version.\n"
"\n"
"%s is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU Lesser General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU Lesser General Public License\n"
"along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
program_name, program_name, program_name |
f35917b2 |
#else |
304ba23a |
"%s is free software; you can redistribute it and/or\n" |
f35917b2 |
"modify it under the terms of the GNU Lesser General Public\n"
"License as published by the Free Software Foundation; either\n"
"version 2.1 of the License, or (at your option) any later version.\n"
"\n" |
304ba23a |
"%s is distributed in the hope that it will be useful,\n" |
f35917b2 |
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
"Lesser General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU Lesser General Public\n" |
304ba23a |
"License along with %s; if not, write to the Free Software\n"
"Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
program_name, program_name, program_name |
f35917b2 |
#endif |
3bf28f9d |
); |
f617135b |
|
a0991833 |
return 0; |
f35917b2 |
} |
ba9880c1 |
|
11d957fb |
int show_formats(void *optctx, const char *opt, const char *arg) |
ba9880c1 |
{ |
cbaef7d1 |
AVInputFormat *ifmt = NULL;
AVOutputFormat *ofmt = NULL; |
ba9880c1 |
const char *last_name;
|
cbaef7d1 |
printf("File formats:\n"
" D. = Demuxing supported\n"
" .E = Muxing supported\n"
" --\n");
last_name = "000";
for (;;) {
int decode = 0;
int encode = 0;
const char *name = NULL;
const char *long_name = NULL;
while ((ofmt = av_oformat_next(ofmt))) {
if ((name == NULL || strcmp(ofmt->name, name) < 0) &&
strcmp(ofmt->name, last_name) > 0) {
name = ofmt->name;
long_name = ofmt->long_name;
encode = 1; |
ba9880c1 |
}
} |
cbaef7d1 |
while ((ifmt = av_iformat_next(ifmt))) {
if ((name == NULL || strcmp(ifmt->name, name) < 0) &&
strcmp(ifmt->name, last_name) > 0) {
name = ifmt->name;
long_name = ifmt->long_name;
encode = 0; |
ba9880c1 |
} |
cbaef7d1 |
if (name && strcmp(ifmt->name, name) == 0)
decode = 1; |
ba9880c1 |
} |
cbaef7d1 |
if (name == NULL) |
ba9880c1 |
break; |
cbaef7d1 |
last_name = name; |
ba9880c1 |
|
cbaef7d1 |
printf(" %s%s %-15s %s\n",
decode ? "D" : " ",
encode ? "E" : " ",
name, |
ba9880c1 |
long_name ? long_name:" ");
} |
a0991833 |
return 0; |
8447f0bd |
} |
ba9880c1 |
|
a3ad68d3 |
#define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \
if (codec->field) { \
const type *p = c->field; \
\
printf(" Supported " list_name ":"); \
while (*p != term) { \
get_name(*p); \
printf(" %s", name); \
p++; \
} \
printf("\n"); \
} \
static void print_codec(const AVCodec *c)
{
int encoder = av_codec_is_encoder(c);
printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name,
c->long_name ? c->long_name : "");
if (c->type == AVMEDIA_TYPE_VIDEO) {
printf(" Threading capabilities: ");
switch (c->capabilities & (CODEC_CAP_FRAME_THREADS |
CODEC_CAP_SLICE_THREADS)) {
case CODEC_CAP_FRAME_THREADS |
CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break;
case CODEC_CAP_FRAME_THREADS: printf("frame"); break;
case CODEC_CAP_SLICE_THREADS: printf("slice"); break;
default: printf("no"); break;
}
printf("\n");
}
if (c->supported_framerates) {
const AVRational *fps = c->supported_framerates;
printf(" Supported framerates:");
while (fps->num) {
printf(" %d/%d", fps->num, fps->den);
fps++;
}
printf("\n");
}
PRINT_CODEC_SUPPORTED(c, pix_fmts, enum PixelFormat, "pixel formats",
PIX_FMT_NONE, GET_PIX_FMT_NAME);
PRINT_CODEC_SUPPORTED(c, supported_samplerates, int, "sample rates", 0,
GET_SAMPLE_RATE_NAME);
PRINT_CODEC_SUPPORTED(c, sample_fmts, enum AVSampleFormat, "sample formats",
AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME);
PRINT_CODEC_SUPPORTED(c, channel_layouts, uint64_t, "channel layouts",
0, GET_CH_LAYOUT_DESC);
if (c->priv_class) {
show_help_children(c->priv_class,
AV_OPT_FLAG_ENCODING_PARAM |
AV_OPT_FLAG_DECODING_PARAM);
}
}
|
a9575ffc |
static char get_media_type_char(enum AVMediaType type)
{ |
7c101949 |
switch (type) {
case AVMEDIA_TYPE_VIDEO: return 'V';
case AVMEDIA_TYPE_AUDIO: return 'A'; |
6c180b35 |
case AVMEDIA_TYPE_DATA: return 'D'; |
7c101949 |
case AVMEDIA_TYPE_SUBTITLE: return 'S'; |
6c180b35 |
case AVMEDIA_TYPE_ATTACHMENT:return 'T'; |
7c101949 |
default: return '?';
} |
a9575ffc |
}
|
7c101949 |
static const AVCodec *next_codec_for_id(enum AVCodecID id, const AVCodec *prev,
int encoder) |
8447f0bd |
{ |
7c101949 |
while ((prev = av_codec_next(prev))) {
if (prev->id == id &&
(encoder ? av_codec_is_encoder(prev) : av_codec_is_decoder(prev)))
return prev;
}
return NULL;
}
|
7200fecd |
static int compare_codec_desc(const void *a, const void *b)
{
const AVCodecDescriptor * const *da = a;
const AVCodecDescriptor * const *db = b;
return (*da)->type != (*db)->type ? (*da)->type - (*db)->type :
strcmp((*da)->name, (*db)->name);
}
static unsigned get_codecs_sorted(const AVCodecDescriptor ***rcodecs)
{
const AVCodecDescriptor *desc = NULL;
const AVCodecDescriptor **codecs;
unsigned nb_codecs = 0, i = 0;
while ((desc = avcodec_descriptor_next(desc)))
nb_codecs++;
if (!(codecs = av_calloc(nb_codecs, sizeof(*codecs)))) {
av_log(0, AV_LOG_ERROR, "Out of memory\n");
exit_program(1);
}
desc = NULL;
while ((desc = avcodec_descriptor_next(desc)))
codecs[i++] = desc;
av_assert0(i == nb_codecs);
qsort(codecs, nb_codecs, sizeof(*codecs), compare_codec_desc);
*rcodecs = codecs;
return nb_codecs;
}
|
7c101949 |
static void print_codecs_for_id(enum AVCodecID id, int encoder)
{
const AVCodec *codec = NULL;
printf(" (%s: ", encoder ? "encoders" : "decoders");
while ((codec = next_codec_for_id(id, codec, encoder)))
printf("%s ", codec->name);
printf(")");
}
|
11d957fb |
int show_codecs(void *optctx, const char *opt, const char *arg) |
8447f0bd |
{ |
7200fecd |
const AVCodecDescriptor **codecs;
unsigned i, nb_codecs = get_codecs_sorted(&codecs); |
7c101949 |
|
cbaef7d1 |
printf("Codecs:\n" |
e2785fa7 |
" D..... = Decoding supported\n"
" .E.... = Encoding supported\n"
" ..V... = Video codec\n"
" ..A... = Audio codec\n"
" ..S... = Subtitle codec\n"
" ...I.. = Intra frame-only codec\n"
" ....L. = Lossy compression\n"
" .....S = Lossless compression\n"
" -------\n"); |
7200fecd |
for (i = 0; i < nb_codecs; i++) {
const AVCodecDescriptor *desc = codecs[i]; |
7c101949 |
const AVCodec *codec = NULL;
|
4abb3539 |
printf(" "); |
7c101949 |
printf(avcodec_find_decoder(desc->id) ? "D" : ".");
printf(avcodec_find_encoder(desc->id) ? "E" : ".");
printf("%c", get_media_type_char(desc->type));
printf((desc->props & AV_CODEC_PROP_INTRA_ONLY) ? "I" : "."); |
e2785fa7 |
printf((desc->props & AV_CODEC_PROP_LOSSY) ? "L" : ".");
printf((desc->props & AV_CODEC_PROP_LOSSLESS) ? "S" : "."); |
7c101949 |
printf(" %-20s %s", desc->name, desc->long_name ? desc->long_name : "");
/* print decoders/encoders when there's more than one or their
* names are different from codec name */
while ((codec = next_codec_for_id(desc->id, codec, 0))) {
if (strcmp(codec->name, desc->name)) {
print_codecs_for_id(desc->id, 0);
break; |
ba9880c1 |
} |
7c101949 |
}
codec = NULL;
while ((codec = next_codec_for_id(desc->id, codec, 1))) {
if (strcmp(codec->name, desc->name)) {
print_codecs_for_id(desc->id, 1);
break; |
ba9880c1 |
}
}
printf("\n");
} |
7200fecd |
av_free(codecs); |
6c180b35 |
return 0; |
7c101949 |
}
static void print_codecs(int encoder)
{ |
7200fecd |
const AVCodecDescriptor **codecs;
unsigned i, nb_codecs = get_codecs_sorted(&codecs); |
7c101949 |
printf("%s:\n" |
6c180b35 |
" V..... = Video\n"
" A..... = Audio\n"
" S..... = Subtitle\n"
" .F.... = Frame-level multithreading\n"
" ..S... = Slice-level multithreading\n"
" ...X.. = Codec is experimental\n"
" ....B. = Supports draw_horiz_band\n"
" .....D = Supports direct rendering method 1\n"
" ------\n", |
7c101949 |
encoder ? "Encoders" : "Decoders"); |
7200fecd |
for (i = 0; i < nb_codecs; i++) {
const AVCodecDescriptor *desc = codecs[i]; |
7c101949 |
const AVCodec *codec = NULL;
while ((codec = next_codec_for_id(desc->id, codec, encoder))) { |
4abb3539 |
printf(" %c", get_media_type_char(desc->type)); |
7c101949 |
printf((codec->capabilities & CODEC_CAP_FRAME_THREADS) ? "F" : ".");
printf((codec->capabilities & CODEC_CAP_SLICE_THREADS) ? "S" : ".");
printf((codec->capabilities & CODEC_CAP_EXPERIMENTAL) ? "X" : "."); |
6c180b35 |
printf((codec->capabilities & CODEC_CAP_DRAW_HORIZ_BAND)?"B" : ".");
printf((codec->capabilities & CODEC_CAP_DR1) ? "D" : "."); |
7c101949 |
printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : "");
if (strcmp(codec->name, desc->name))
printf(" (codec %s)", desc->name);
printf("\n");
}
} |
7200fecd |
av_free(codecs); |
7c101949 |
}
|
11d957fb |
int show_decoders(void *optctx, const char *opt, const char *arg) |
7c101949 |
{
print_codecs(0);
return 0;
}
|
11d957fb |
int show_encoders(void *optctx, const char *opt, const char *arg) |
7c101949 |
{
print_codecs(1); |
a0991833 |
return 0; |
8447f0bd |
}
|
11d957fb |
int show_bsfs(void *optctx, const char *opt, const char *arg) |
8447f0bd |
{ |
cbaef7d1 |
AVBitStreamFilter *bsf = NULL; |
ba9880c1 |
printf("Bitstream filters:\n"); |
cbaef7d1 |
while ((bsf = av_bitstream_filter_next(bsf))) |
2091b27b |
printf("%s\n", bsf->name); |
ba9880c1 |
printf("\n"); |
a0991833 |
return 0; |
8447f0bd |
}
|
11d957fb |
int show_protocols(void *optctx, const char *opt, const char *arg) |
8447f0bd |
{ |
cdc6a87f |
void *opaque = NULL;
const char *name; |
ba9880c1 |
|
2ee5c789 |
printf("Supported file protocols:\n" |
cdc6a87f |
"Input:\n");
while ((name = avio_enum_protocols(&opaque, 0)))
printf("%s\n", name);
printf("Output:\n");
while ((name = avio_enum_protocols(&opaque, 1)))
printf("%s\n", name); |
3bc92e34 |
return 0; |
ba9880c1 |
} |
090b61b2 |
|
11d957fb |
int show_filters(void *optctx, const char *opt, const char *arg) |
62d75662 |
{ |
78638628 |
AVFilter av_unused(**filter) = NULL; |
dcea7ca7 |
char descr[64], *descr_cur;
int i, j;
const AVFilterPad *pad; |
62d75662 |
printf("Filters:\n"); |
663c2edf |
#if CONFIG_AVFILTER |
dcea7ca7 |
while ((filter = av_filter_next(filter)) && *filter) {
descr_cur = descr;
for (i = 0; i < 2; i++) {
if (i) {
*(descr_cur++) = '-';
*(descr_cur++) = '>';
}
pad = i ? (*filter)->outputs : (*filter)->inputs; |
d0c6ac0d |
for (j = 0; pad && pad[j].name; j++) { |
dcea7ca7 |
if (descr_cur >= descr + sizeof(descr) - 4)
break;
*(descr_cur++) = get_media_type_char(pad[j].type);
}
if (!j)
*(descr_cur++) = '|';
}
*descr_cur = 0;
printf("%-16s %-10s %s\n", (*filter)->name, descr, (*filter)->description);
} |
663c2edf |
#endif |
a0991833 |
return 0; |
62d75662 |
}
|
11d957fb |
int show_pix_fmts(void *optctx, const char *opt, const char *arg) |
3f7bb426 |
{ |
9cb5c760 |
enum PixelFormat pix_fmt;
|
cbaef7d1 |
printf("Pixel formats:\n"
"I.... = Supported Input format for conversion\n"
".O... = Supported Output format for conversion\n"
"..H.. = Hardware accelerated format\n"
"...P. = Paletted format\n"
"....B = Bitstream format\n"
"FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
"-----\n"); |
9cb5c760 |
|
e24db3e3 |
#if !CONFIG_SWSCALE
# define sws_isSupportedInput(x) 0
# define sws_isSupportedOutput(x) 0
#endif
|
9cb5c760 |
for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) {
const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt]; |
8f37c8f0 |
if(!pix_desc->name)
continue; |
9cb5c760 |
printf("%c%c%c%c%c %-16s %d %2d\n",
sws_isSupportedInput (pix_fmt) ? 'I' : '.',
sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.',
pix_desc->flags & PIX_FMT_PAL ? 'P' : '.',
pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
pix_desc->name,
pix_desc->nb_components,
av_get_bits_per_pixel(pix_desc));
} |
a0991833 |
return 0; |
3f7bb426 |
}
|
98298eb1 |
int show_layouts(void *optctx, const char *opt, const char *arg) |
786dadc0 |
{
int i = 0;
uint64_t layout, j;
const char *name, *descr;
printf("Individual channels:\n"
"NAME DESCRIPTION\n");
for (i = 0; i < 63; i++) {
name = av_get_channel_name((uint64_t)1 << i);
if (!name)
continue;
descr = av_get_channel_description((uint64_t)1 << i);
printf("%-12s%s\n", name, descr);
}
printf("\nStandard channel layouts:\n"
"NAME DECOMPOSITION\n");
for (i = 0; !av_get_standard_channel_layout(i, &layout, &name); i++) {
if (name) {
printf("%-12s", name);
for (j = 1; j; j <<= 1)
if ((layout & j))
printf("%s%s", (layout & (j - 1)) ? "+" : "", av_get_channel_name(j));
printf("\n");
}
}
return 0;
}
|
11d957fb |
int show_sample_fmts(void *optctx, const char *opt, const char *arg) |
05bffc12 |
{
int i;
char fmt_str[128];
for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
return 0;
}
|
a3ad68d3 |
static void show_help_codec(const char *name, int encoder)
{
const AVCodecDescriptor *desc;
const AVCodec *codec;
if (!name) {
av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n");
return;
}
codec = encoder ? avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name);
if (codec)
print_codec(codec);
else if ((desc = avcodec_descriptor_get_by_name(name))) {
int printed = 0;
while ((codec = next_codec_for_id(desc->id, codec, encoder))) {
printed = 1;
print_codec(codec);
}
if (!printed) { |
aee51039 |
av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, "
"but no %s for it are available. FFmpeg might need to be " |
a3ad68d3 |
"recompiled with additional external libraries.\n",
name, encoder ? "encoders" : "decoders");
}
} else { |
aee51039 |
av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n", |
a3ad68d3 |
name);
}
}
|
1136bd36 |
static void show_help_demuxer(const char *name)
{
const AVInputFormat *fmt = av_find_input_format(name);
if (!fmt) {
av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
return;
}
printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name);
if (fmt->extensions)
printf(" Common extensions: %s.\n", fmt->extensions);
if (fmt->priv_class)
show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM);
}
static void show_help_muxer(const char *name)
{
const AVCodecDescriptor *desc;
const AVOutputFormat *fmt = av_guess_format(name, NULL, NULL);
if (!fmt) {
av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
return;
}
printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name);
if (fmt->extensions)
printf(" Common extensions: %s.\n", fmt->extensions);
if (fmt->mime_type)
printf(" Mime type: %s.\n", fmt->mime_type);
if (fmt->video_codec != AV_CODEC_ID_NONE &&
(desc = avcodec_descriptor_get(fmt->video_codec))) {
printf(" Default video codec: %s.\n", desc->name);
}
if (fmt->audio_codec != AV_CODEC_ID_NONE &&
(desc = avcodec_descriptor_get(fmt->audio_codec))) {
printf(" Default audio codec: %s.\n", desc->name);
}
if (fmt->subtitle_codec != AV_CODEC_ID_NONE &&
(desc = avcodec_descriptor_get(fmt->subtitle_codec))) {
printf(" Default subtitle codec: %s.\n", desc->name);
}
if (fmt->priv_class)
show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM);
}
|
11d957fb |
int show_help(void *optctx, const char *opt, const char *arg) |
a3ad68d3 |
{
char *topic, *par;
av_log_set_callback(log_callback_help);
topic = av_strdup(arg ? arg : "");
par = strchr(topic, '=');
if (par)
*par++ = 0;
if (!*topic) {
show_help_default(topic, par);
} else if (!strcmp(topic, "decoder")) {
show_help_codec(par, 0);
} else if (!strcmp(topic, "encoder")) {
show_help_codec(par, 1); |
1136bd36 |
} else if (!strcmp(topic, "demuxer")) {
show_help_demuxer(par);
} else if (!strcmp(topic, "muxer")) {
show_help_muxer(par); |
a3ad68d3 |
} else {
show_help_default(topic, par);
}
av_freep(&topic);
return 0;
}
|
090b61b2 |
int read_yesno(void)
{
int c = getchar();
int yesno = (toupper(c) == 'Y');
while (c != '\n' && c != EOF)
c = getchar();
return yesno;
} |
458b062d |
|
02170990 |
int cmdutils_read_file(const char *filename, char **bufptr, size_t *size) |
458b062d |
{ |
d94c577d |
int ret; |
c56e9e05 |
FILE *f = fopen(filename, "rb"); |
458b062d |
if (!f) { |
cbaef7d1 |
av_log(NULL, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename,
strerror(errno)); |
458b062d |
return AVERROR(errno);
}
fseek(f, 0, SEEK_END);
*size = ftell(f);
fseek(f, 0, SEEK_SET);
*bufptr = av_malloc(*size + 1);
if (!*bufptr) { |
1c5e9551 |
av_log(NULL, AV_LOG_ERROR, "Could not allocate file buffer\n"); |
458b062d |
fclose(f);
return AVERROR(ENOMEM);
} |
d94c577d |
ret = fread(*bufptr, 1, *size, f);
if (ret < *size) {
av_free(*bufptr);
if (ferror(f)) {
av_log(NULL, AV_LOG_ERROR, "Error while reading file '%s': %s\n",
filename, strerror(errno));
ret = AVERROR(errno);
} else
ret = AVERROR_EOF;
} else {
ret = 0;
(*bufptr)[*size++] = '\0';
} |
458b062d |
fclose(f); |
d94c577d |
return ret; |
458b062d |
} |
7a8bfa5d |
|
6e872935 |
FILE *get_preset_file(char *filename, size_t filename_size, |
cbaef7d1 |
const char *preset_name, int is_path,
const char *codec_name) |
6e872935 |
{
FILE *f = NULL;
int i; |
ad1c8dd6 |
const char *base[3] = { getenv("FFMPEG_DATADIR"), |
cbaef7d1 |
getenv("HOME"), |
ad1c8dd6 |
FFMPEG_DATADIR, }; |
6e872935 |
if (is_path) {
av_strlcpy(filename, preset_name, filename_size);
f = fopen(filename, "r");
} else { |
1b30e4f5 |
#ifdef _WIN32
char datadir[MAX_PATH], *ls;
base[2] = NULL;
if (GetModuleFileNameA(GetModuleHandleA(NULL), datadir, sizeof(datadir) - 1))
{
for (ls = datadir; ls < datadir + strlen(datadir); ls++)
if (*ls == '\\') *ls = '/';
if (ls = strrchr(datadir, '/'))
{
*ls = 0;
strncat(datadir, "/ffpresets", sizeof(datadir) - 1 - strlen(datadir));
base[2] = datadir;
}
}
#endif |
6e872935 |
for (i = 0; i < 3 && !f; i++) {
if (!base[i])
continue; |
cbaef7d1 |
snprintf(filename, filename_size, "%s%s/%s.ffpreset", base[i], |
ad1c8dd6 |
i != 1 ? "" : "/.ffmpeg", preset_name); |
6e872935 |
f = fopen(filename, "r");
if (!f && codec_name) {
snprintf(filename, filename_size, |
cbaef7d1 |
"%s%s/%s-%s.ffpreset", |
bae053fc |
base[i], i != 1 ? "" : "/.ffmpeg", codec_name, |
cbaef7d1 |
preset_name); |
6e872935 |
f = fopen(filename, "r");
}
}
}
return f;
}
|
d4863fc1 |
int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
{ |
b0629366 |
int ret = avformat_match_stream_specifier(s, st, spec);
if (ret < 0)
av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec);
return ret; |
d4863fc1 |
}
|
36ef5369 |
AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id, |
d3ed1c95 |
AVFormatContext *s, AVStream *st, AVCodec *codec) |
8c8eab8b |
{
AVDictionary *ret = NULL;
AVDictionaryEntry *t = NULL; |
cbaef7d1 |
int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM
: AV_OPT_FLAG_DECODING_PARAM; |
8c8eab8b |
char prefix = 0; |
20c21f8b |
const AVClass *cc = avcodec_get_class(); |
8c8eab8b |
if (!codec) |
d3ed1c95 |
codec = s->oformat ? avcodec_find_encoder(codec_id)
: avcodec_find_decoder(codec_id);
if (!codec) |
8c8eab8b |
return NULL;
switch (codec->type) { |
cbaef7d1 |
case AVMEDIA_TYPE_VIDEO:
prefix = 'v';
flags |= AV_OPT_FLAG_VIDEO_PARAM;
break;
case AVMEDIA_TYPE_AUDIO:
prefix = 'a';
flags |= AV_OPT_FLAG_AUDIO_PARAM;
break;
case AVMEDIA_TYPE_SUBTITLE:
prefix = 's';
flags |= AV_OPT_FLAG_SUBTITLE_PARAM;
break; |
8c8eab8b |
}
while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) { |
d4863fc1 |
char *p = strchr(t->key, ':');
/* check stream specification in opt name */
if (p)
switch (check_stream_specifier(s, st, p + 1)) {
case 1: *p = 0; break;
case 0: continue;
default: return NULL;
}
|
20c21f8b |
if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) || |
cbaef7d1 |
(codec && codec->priv_class &&
av_opt_find(&codec->priv_class, t->key, NULL, flags,
AV_OPT_SEARCH_FAKE_OBJ))) |
8c8eab8b |
av_dict_set(&ret, t->key, t->value, 0); |
cbaef7d1 |
else if (t->key[0] == prefix &&
av_opt_find(&cc, t->key + 1, NULL, flags,
AV_OPT_SEARCH_FAKE_OBJ))
av_dict_set(&ret, t->key + 1, t->value, 0); |
d4863fc1 |
if (p)
*p = ':'; |
8c8eab8b |
}
return ret;
}
|
cbaef7d1 |
AVDictionary **setup_find_stream_info_opts(AVFormatContext *s,
AVDictionary *codec_opts) |
3009f521 |
{
int i;
AVDictionary **opts;
if (!s->nb_streams)
return NULL;
opts = av_mallocz(s->nb_streams * sizeof(*opts));
if (!opts) { |
cbaef7d1 |
av_log(NULL, AV_LOG_ERROR,
"Could not alloc memory for stream options.\n"); |
3009f521 |
return NULL;
}
for (i = 0; i < s->nb_streams; i++) |
cbaef7d1 |
opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id, |
d3ed1c95 |
s, s->streams[i], NULL); |
3009f521 |
return opts;
}
|
cac651c8 |
void *grow_array(void *array, int elem_size, int *size, int new_size)
{
if (new_size >= INT_MAX / elem_size) {
av_log(NULL, AV_LOG_ERROR, "Array too big.\n");
exit_program(1);
}
if (*size < new_size) {
uint8_t *tmp = av_realloc(array, new_size*elem_size);
if (!tmp) {
av_log(NULL, AV_LOG_ERROR, "Could not alloc buffer.\n");
exit_program(1);
}
memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
*size = new_size;
return tmp;
}
return array;
} |
d55c2e05 |
static int alloc_buffer(FrameBuffer **pool, AVCodecContext *s, FrameBuffer **pbuf)
{
FrameBuffer *buf = av_mallocz(sizeof(*buf));
int i, ret;
const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
int h_chroma_shift, v_chroma_shift;
int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
int w = s->width, h = s->height;
if (!buf)
return AVERROR(ENOMEM);
|
ad60b3b1 |
avcodec_align_dimensions(s, &w, &h);
|
d55c2e05 |
if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
w += 2*edge;
h += 2*edge;
}
if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
s->pix_fmt, 32)) < 0) {
av_freep(&buf); |
f91b7d80 |
av_log(s, AV_LOG_ERROR, "alloc_buffer: av_image_alloc() failed\n"); |
d55c2e05 |
return ret;
}
/* XXX this shouldn't be needed, but some tests break without this line
* those decoders are buggy and need to be fixed.
* the following tests fail:
* cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
*/
memset(buf->base[0], 128, ret);
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
const int h_shift = i==0 ? 0 : h_chroma_shift;
const int v_shift = i==0 ? 0 : v_chroma_shift; |
55de89e2 |
if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[i] || !buf->base[i]) |
d55c2e05 |
buf->data[i] = buf->base[i];
else
buf->data[i] = buf->base[i] +
FFALIGN((buf->linesize[i]*edge >> v_shift) +
(pixel_size*edge >> h_shift), 32);
}
buf->w = s->width;
buf->h = s->height;
buf->pix_fmt = s->pix_fmt;
buf->pool = pool;
*pbuf = buf;
return 0;
}
int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
{
FrameBuffer **pool = s->opaque;
FrameBuffer *buf;
int ret, i;
|
f91b7d80 |
if(av_image_check_size(s->width, s->height, 0, s) || s->pix_fmt<0) {
av_log(s, AV_LOG_ERROR, "codec_get_buffer: image parameters invalid\n"); |
ad60b3b1 |
return -1; |
f91b7d80 |
} |
ad60b3b1 |
|
d55c2e05 |
if (!*pool && (ret = alloc_buffer(pool, s, pool)) < 0)
return ret;
buf = *pool;
*pool = buf->next;
buf->next = NULL;
if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
av_freep(&buf->base[0]);
av_free(buf);
if ((ret = alloc_buffer(pool, s, &buf)) < 0)
return ret;
} |
ad60b3b1 |
av_assert0(!buf->refcount); |
d55c2e05 |
buf->refcount++;
frame->opaque = buf;
frame->type = FF_BUFFER_TYPE_USER;
frame->extended_data = frame->data;
frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
frame->width = buf->w;
frame->height = buf->h;
frame->format = buf->pix_fmt;
frame->sample_aspect_ratio = s->sample_aspect_ratio;
for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
frame->data[i] = buf->data[i];
frame->linesize[i] = buf->linesize[i];
}
return 0;
}
static void unref_buffer(FrameBuffer *buf)
{
FrameBuffer **pool = buf->pool;
|
ad60b3b1 |
av_assert0(buf->refcount > 0); |
d55c2e05 |
buf->refcount--;
if (!buf->refcount) { |
ad60b3b1 |
FrameBuffer *tmp;
for(tmp= *pool; tmp; tmp= tmp->next)
av_assert1(tmp != buf);
|
d55c2e05 |
buf->next = *pool;
*pool = buf;
}
}
void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
{
FrameBuffer *buf = frame->opaque;
int i;
|
c13e490d |
if(frame->type!=FF_BUFFER_TYPE_USER) { |
8f1b139c |
avcodec_default_release_buffer(s, frame); |
c13e490d |
return;
} |
ad60b3b1 |
|
d55c2e05 |
for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
frame->data[i] = NULL;
unref_buffer(buf);
}
void filter_release_buffer(AVFilterBuffer *fb)
{
FrameBuffer *buf = fb->priv;
av_free(fb);
unref_buffer(buf);
}
void free_buffer_pool(FrameBuffer **pool)
{
FrameBuffer *buf = *pool;
while (buf) {
*pool = buf->next;
av_freep(&buf->base[0]);
av_free(buf);
buf = *pool;
}
} |