* Various utilities for command line tools
* Copyright (c) 2000-2003 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* 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
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
references to libraries that are not being built. */
#include "config.h"
+#include "compat/va_copy.h"
#include "libavformat/avformat.h"
#include "libavfilter/avfilter.h"
#include "libavdevice/avdevice.h"
#include "libavresample/avresample.h"
#include "libswscale/swscale.h"
+#include "libswresample/swresample.h"
+#include "libpostproc/postprocess.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
+#include "libavutil/bprint.h"
#include "libavutil/mathematics.h"
#include "libavutil/imgutils.h"
#include "libavutil/parseutils.h"
#include "libavutil/dict.h"
#include "libavutil/opt.h"
#include "libavutil/cpu.h"
+#include "libavutil/ffversion.h"
#include "cmdutils.h"
-#include "version.h"
#if CONFIG_NETWORK
#include "libavformat/network.h"
#endif
#include <sys/resource.h>
#endif
+static int init_report(const char *env);
+
struct SwsContext *sws_opts;
+AVDictionary *swr_opts;
AVDictionary *format_opts, *codec_opts, *resample_opts;
-static const int this_year = 2014;
+static FILE *report_file;
+static int report_file_level = AV_LOG_DEBUG;
+int hide_banner = 0;
void init_opts(void)
{
-#if CONFIG_SWSCALE
- sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC,
+
+ if(CONFIG_SWSCALE)
+ sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC,
NULL, NULL, NULL);
-#endif
}
void uninit_opts(void)
sws_freeContext(sws_opts);
sws_opts = NULL;
#endif
+
+ av_dict_free(&swr_opts);
av_dict_free(&format_opts);
av_dict_free(&codec_opts);
av_dict_free(&resample_opts);
vfprintf(stdout, fmt, vl);
}
+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);
+ if (report_file_level >= level) {
+ fputs(line, report_file);
+ fflush(report_file);
+ }
+}
+
static void (*program_exit)(int ret);
void register_exit(void (*cb)(int ret))
int first;
first = 1;
- for (po = options; po->name != NULL; po++) {
+ for (po = options; po->name; po++) {
char buf[64];
if (((po->flags & req_flags) != req_flags) ||
void show_help_children(const AVClass *class, int flags)
{
const AVClass *child = NULL;
- av_opt_show2(&class, NULL, flags, 0);
- printf("\n");
+ if (class->option) {
+ av_opt_show2(&class, NULL, flags, 0);
+ printf("\n");
+ }
while (child = av_opt_child_class_next(class, child))
show_help_children(child, flags);
int ret = po->u.func_arg(optctx, opt, arg);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR,
- "Failed to set value '%s' for option '%s'\n", arg, opt);
+ "Failed to set value '%s' for option '%s': %s\n",
+ arg, opt, av_err2str(ret));
return ret;
}
}
return 0;
}
+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);
+}
+
void parse_loglevel(int argc, char **argv, const OptionDef *options)
{
int idx = locate_option(argc, argv, options, "loglevel");
+ const char *env;
if (!idx)
idx = locate_option(argc, argv, options, "v");
if (idx && argv[idx + 1])
opt_loglevel(NULL, "loglevel", argv[idx + 1]);
+ idx = locate_option(argc, argv, options, "report");
+ if ((env = getenv("FFREPORT")) || idx) {
+ init_report(env);
+ 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);
+ }
+ }
+ idx = locate_option(argc, argv, options, "hide_banner");
+ if (idx)
+ hide_banner = 1;
+}
+
+static const AVOption *opt_find(void *obj, const char *name, const char *unit,
+ int opt_flags, int search_flags)
+{
+ const AVOption *o = av_opt_find(obj, name, unit, opt_flags, search_flags);
+ if(o && !o->flags)
+ return NULL;
+ return o;
}
#define FLAGS (o->type == AV_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0
int opt_default(void *optctx, const char *opt, const char *arg)
{
const AVOption *o;
+ int consumed = 0;
char opt_stripped[128];
const char *p;
const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class();
#if CONFIG_AVRESAMPLE
const AVClass *rc = avresample_get_class();
#endif
-#if CONFIG_SWSCALE
- const AVClass *sc = sws_get_class();
-#endif
+ const AVClass *sc, *swr_class;
+
+ if (!strcmp(opt, "debug") || !strcmp(opt, "fdebug"))
+ av_log_set_level(AV_LOG_DEBUG);
if (!(p = strchr(opt, ':')))
p = opt + strlen(opt);
av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1));
- if ((o = av_opt_find(&cc, opt_stripped, NULL, 0,
+ if ((o = opt_find(&cc, opt_stripped, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) ||
((opt[0] == 'v' || opt[0] == 'a' || opt[0] == 's') &&
- (o = av_opt_find(&cc, opt + 1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ))))
+ (o = 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)))
+ consumed = 1;
+ }
+ if ((o = opt_find(&fc, opt, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
av_dict_set(&format_opts, opt, arg, FLAGS);
-#if CONFIG_AVRESAMPLE
- else if ((o = av_opt_find(&rc, opt, NULL, 0,
- AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)))
- av_dict_set(&resample_opts, opt, arg, FLAGS);
-#endif
+ if (consumed)
+ av_log(NULL, AV_LOG_VERBOSE, "Routing option %s to both codec and muxer layer\n", opt);
+ consumed = 1;
+ }
#if CONFIG_SWSCALE
- else if ((o = av_opt_find(&sc, opt, NULL, 0,
- AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
+ sc = sws_get_class();
+ if (!consumed && opt_find(&sc, opt, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) {
// XXX we only support sws_flags, not arbitrary sws options
int ret = av_opt_set(sws_opts, opt, arg, 0);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
return ret;
}
+ consumed = 1;
+ }
+#else
+ if (!consumed && !strcmp(opt, "sws_flags")) {
+ av_log(NULL, AV_LOG_WARNING, "Ignoring %s %s, due to disabled swscale\n", opt, arg);
+ consumed = 1;
+ }
+#endif
+#if CONFIG_SWRESAMPLE
+ swr_class = swr_get_class();
+ if (!consumed && (o=opt_find(&swr_class, opt, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
+ struct SwrContext *swr = swr_alloc();
+ int ret = av_opt_set(swr, opt, arg, 0);
+ swr_free(&swr);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
+ return ret;
+ }
+ av_dict_set(&swr_opts, opt, arg, FLAGS);
+ consumed = 1;
+ }
+#endif
+#if CONFIG_AVRESAMPLE
+ if ((o=opt_find(&rc, opt, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
+ av_dict_set(&resample_opts, opt, arg, FLAGS);
+ consumed = 1;
}
#endif
- if (o)
+ if (consumed)
return 0;
return AVERROR_OPTION_NOT_FOUND;
}
#if CONFIG_SWSCALE
g->sws_opts = sws_opts;
#endif
+ g->swr_opts = swr_opts;
g->codec_opts = codec_opts;
g->format_opts = format_opts;
g->resample_opts = resample_opts;
#if CONFIG_SWSCALE
sws_opts = NULL;
#endif
+ swr_opts = NULL;
init_opts();
memset(&octx->cur_group, 0, sizeof(octx->cur_group));
memset(octx, 0, sizeof(*octx));
octx->nb_groups = nb_groups;
- octx->groups = av_mallocz(sizeof(*octx->groups) * octx->nb_groups);
+ octx->groups = av_mallocz_array(octx->nb_groups, sizeof(*octx->groups));
if (!octx->groups)
exit_program(1);
#if CONFIG_SWSCALE
sws_freeContext(l->groups[j].sws_opts);
#endif
+ av_dict_free(&l->groups[j].swr_opts);
}
av_freep(&l->groups);
}
const OptionGroupDef *groups, int nb_groups)
{
int optindex = 1;
+ int dashdash = -2;
/* perform system-dependent conversions for arguments list */
prepare_app_arguments(&argc, &argv);
av_log(NULL, AV_LOG_DEBUG, "Reading option '%s' ...", opt);
+ if (opt[0] == '-' && opt[1] == '-' && !opt[2]) {
+ dashdash = optindex;
+ continue;
+ }
/* unnamed group separators, e.g. output filename */
- if (opt[0] != '-' || !opt[1]) {
+ if (opt[0] != '-' || !opt[1] || dashdash+1 == optindex) {
finish_group(octx, 0, opt);
av_log(NULL, AV_LOG_DEBUG, " matched as %s.\n", groups[0].name);
continue;
int opt_cpuflags(void *optctx, const char *opt, const char *arg)
{
- int flags = av_parse_cpu_flags(arg);
+ int ret;
+ unsigned flags = av_get_cpu_flags();
- if (flags < 0)
- return flags;
+ if ((ret = av_parse_cpu_caps(&flags, arg)) < 0)
+ return ret;
- av_set_cpu_flags_mask(flags);
+ av_force_cpu_flags(flags);
return 0;
}
};
char *tail;
int level;
+ int flags;
int i;
+ flags = av_log_get_flags();
+ tail = strstr(arg, "repeat");
+ if (tail)
+ flags &= ~AV_LOG_SKIP_REPEATED;
+ else
+ flags |= AV_LOG_SKIP_REPEATED;
+
+ av_log_set_flags(flags);
+ if (tail == arg)
+ arg += 6 + (arg[6]=='+');
+ if(tail && !*arg)
+ return 0;
+
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;
}
+static void expand_filename_template(AVBPrint *bp, const char *template,
+ struct tm *tm)
+{
+ int c;
+
+ while ((c = *(template++))) {
+ if (c == '%') {
+ if (!(c = *(template++)))
+ break;
+ switch (c) {
+ case 'p':
+ av_bprintf(bp, "%s", program_name);
+ break;
+ case 't':
+ av_bprintf(bp, "%04d%02d%02d-%02d%02d%02d",
+ tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
+ tm->tm_hour, tm->tm_min, tm->tm_sec);
+ break;
+ case '%':
+ av_bprint_chars(bp, c, 1);
+ break;
+ }
+ } else {
+ av_bprint_chars(bp, c, 1);
+ }
+ }
+}
+
+static int init_report(const char *env)
+{
+ char *filename_template = NULL;
+ char *key, *val;
+ int ret, count = 0;
+ time_t now;
+ struct tm *tm;
+ AVBPrint filename;
+
+ if (report_file) /* already opened */
+ return 0;
+ time(&now);
+ tm = localtime(&now);
+
+ while (env && *env) {
+ if ((ret = av_opt_get_key_value(&env, "=", ":", 0, &key, &val)) < 0) {
+ if (count)
+ av_log(NULL, AV_LOG_ERROR,
+ "Failed to parse FFREPORT environment variable: %s\n",
+ av_err2str(ret));
+ break;
+ }
+ if (*env)
+ env++;
+ count++;
+ if (!strcmp(key, "file")) {
+ av_free(filename_template);
+ filename_template = val;
+ val = NULL;
+ } else if (!strcmp(key, "level")) {
+ char *tail;
+ report_file_level = strtol(val, &tail, 10);
+ if (*tail) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid report file level\n");
+ exit_program(1);
+ }
+ } else {
+ av_log(NULL, AV_LOG_ERROR, "Unknown key '%s' in FFREPORT\n", key);
+ }
+ av_free(val);
+ av_free(key);
+ }
+
+ av_bprint_init(&filename, 0, 1);
+ expand_filename_template(&filename,
+ av_x_if_null(filename_template, "%p-%t.log"), tm);
+ av_free(filename_template);
+ if (!av_bprint_is_complete(&filename)) {
+ av_log(NULL, AV_LOG_ERROR, "Out of memory building report file name\n");
+ return AVERROR(ENOMEM);
+ }
+
+ report_file = fopen(filename.str, "w");
+ if (!report_file) {
+ int ret = AVERROR(errno);
+ av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
+ filename.str, strerror(errno));
+ return ret;
+ }
+ 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.str);
+ av_bprint_finalize(&filename, NULL);
+ return 0;
+}
+
+int opt_report(const char *opt)
+{
+ return init_report(NULL);
+}
+
+int opt_max_alloc(void *optctx, const char *opt, const char *arg)
+{
+ 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;
+}
+
int opt_timelimit(void *optctx, const char *opt, const char *arg)
{
#if HAVE_SETRLIMIT
#define INDENT 1
#define SHOW_VERSION 2
#define SHOW_CONFIG 4
+#define SHOW_COPYRIGHT 8
#define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \
if (CONFIG_##LIBNAME) { \
if (flags & SHOW_VERSION) { \
unsigned int version = libname##_version(); \
av_log(NULL, level, \
- "%slib%-10s %2d.%3d.%2d / %2d.%3d.%2d\n", \
+ "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \
indent, #libname, \
LIB##LIBNAME##_VERSION_MAJOR, \
LIB##LIBNAME##_VERSION_MINOR, \
} \
if (flags & SHOW_CONFIG) { \
const char *cfg = libname##_configuration(); \
- if (strcmp(LIBAV_CONFIGURATION, cfg)) { \
+ if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \
if (!warned_cfg) { \
av_log(NULL, level, \
"%sWARNING: library configuration mismatch\n", \
PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
PRINT_LIB_INFO(avresample, AVRESAMPLE, flags, level);
PRINT_LIB_INFO(swscale, SWSCALE, flags, level);
+ PRINT_LIB_INFO(swresample,SWRESAMPLE, flags, level);
+ PRINT_LIB_INFO(postproc, POSTPROC, flags, level);
}
-void show_banner(void)
+static void print_program_info(int flags, int level)
{
- av_log(NULL, AV_LOG_INFO,
- "%s version " LIBAV_VERSION ", Copyright (c) %d-%d the Libav developers\n",
- program_name, program_birth_year, this_year);
- av_log(NULL, AV_LOG_INFO, " built on %s %s with %s\n",
- __DATE__, __TIME__, CC_IDENT);
- av_log(NULL, AV_LOG_VERBOSE, " configuration: " LIBAV_CONFIGURATION "\n");
- print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_VERBOSE);
- print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_VERBOSE);
+ 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, CONFIG_THIS_YEAR);
+ av_log(NULL, level, "\n");
+ av_log(NULL, level, "%sbuilt on %s %s with %s\n",
+ indent, __DATE__, __TIME__, CC_IDENT);
+
+ av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent);
+}
+
+static void print_buildconf(int flags, int level)
+{
+ const char *indent = flags & INDENT ? " " : "";
+ char str[] = { FFMPEG_CONFIGURATION };
+ char *conflist, *remove_tilde, *splitconf;
+
+ // Change all the ' --' strings to '~--' so that
+ // they can be identified as tokens.
+ while ((conflist = strstr(str, " --")) != NULL) {
+ strncpy(conflist, "~--", 3);
+ }
+
+ // Compensate for the weirdness this would cause
+ // when passing 'pkg-config --static'.
+ while ((remove_tilde = strstr(str, "pkg-config~")) != NULL) {
+ strncpy(remove_tilde, "pkg-config ", 11);
+ }
+
+ splitconf = strtok(str, "~");
+ av_log(NULL, level, "\n%sconfiguration:\n", indent);
+ while (splitconf != NULL) {
+ av_log(NULL, level, "%s%s%s\n", indent, indent, splitconf);
+ splitconf = strtok(NULL, "~");
+ }
+}
+
+void show_banner(int argc, char **argv, const OptionDef *options)
+{
+ int idx = locate_option(argc, argv, options, "version");
+ if (hide_banner || idx)
+ return;
+
+ print_program_info (INDENT|SHOW_COPYRIGHT, AV_LOG_INFO);
+ print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_INFO);
+ print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_INFO);
}
int show_version(void *optctx, const char *opt, const char *arg)
{
av_log_set_callback(log_callback_help);
- printf("%s " LIBAV_VERSION "\n", program_name);
+ print_program_info (SHOW_COPYRIGHT, AV_LOG_INFO);
print_all_libs_info(SHOW_VERSION, AV_LOG_INFO);
return 0;
}
+int show_buildconf(void *optctx, const char *opt, const char *arg)
+{
+ av_log_set_callback(log_callback_help);
+ print_buildconf (INDENT|0, AV_LOG_INFO);
+
+ return 0;
+}
+
int show_license(void *optctx, const char *opt, const char *arg)
{
- printf(
#if CONFIG_NONFREE
+ printf(
"This version of %s has nonfree parts compiled in.\n"
"Therefore it is not legally redistributable.\n",
- program_name
+ program_name );
#elif CONFIG_GPLV3
+ printf(
"%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"
"\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
+ program_name, program_name, program_name );
#elif CONFIG_GPL
+ printf(
"%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 2 of the License, or\n"
"You should have received a copy of the GNU General Public License\n"
"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
+ program_name, program_name, program_name );
#elif CONFIG_LGPLV3
+ printf(
"%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"
"\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
+ program_name, program_name, program_name );
#else
+ printf(
"%s is free software; you can redistribute it and/or\n"
"modify it under the terms of the GNU Lesser General Public\n"
"License as published by the Free Software Foundation; either\n"
"You should have received a copy of the GNU Lesser General Public\n"
"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
+ program_name, program_name, program_name );
#endif
- );
return 0;
}
-int show_formats(void *optctx, const char *opt, const char *arg)
+static int is_device(const AVClass *avclass)
+{
+ if (!avclass)
+ return 0;
+ return avclass->category == AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT ||
+ avclass->category == AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT ||
+ avclass->category == AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT ||
+ avclass->category == AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT ||
+ avclass->category == AV_CLASS_CATEGORY_DEVICE_OUTPUT ||
+ avclass->category == AV_CLASS_CATEGORY_DEVICE_INPUT;
+}
+
+static int show_formats_devices(void *optctx, const char *opt, const char *arg, int device_only)
{
AVInputFormat *ifmt = NULL;
AVOutputFormat *ofmt = NULL;
const char *last_name;
+ int is_dev;
- printf("File formats:\n"
+ printf("%s\n"
" D. = Demuxing supported\n"
" .E = Muxing supported\n"
- " --\n");
+ " --\n", device_only ? "Devices:" : "File formats:");
last_name = "000";
for (;;) {
int decode = 0;
const char *long_name = NULL;
while ((ofmt = av_oformat_next(ofmt))) {
+ is_dev = is_device(ofmt->priv_class);
+ if (!is_dev && device_only)
+ continue;
if ((!name || strcmp(ofmt->name, name) < 0) &&
strcmp(ofmt->name, last_name) > 0) {
name = ofmt->name;
}
}
while ((ifmt = av_iformat_next(ifmt))) {
+ is_dev = is_device(ifmt->priv_class);
+ if (!is_dev && device_only)
+ continue;
if ((!name || strcmp(ifmt->name, name) < 0) &&
strcmp(ifmt->name, last_name) > 0) {
name = ifmt->name;
return 0;
}
+int show_formats(void *optctx, const char *opt, const char *arg)
+{
+ return show_formats_devices(optctx, opt, arg, 0);
+}
+
+int show_devices(void *optctx, const char *opt, const char *arg)
+{
+ return show_formats_devices(optctx, opt, arg, 1);
+}
+
#define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \
if (codec->field) { \
- const type *p = c->field; \
+ const type *p = codec->field; \
\
printf(" Supported " list_name ":"); \
while (*p != term) { \
printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name,
c->long_name ? c->long_name : "");
- if (c->type == AVMEDIA_TYPE_VIDEO) {
+ if (c->type == AVMEDIA_TYPE_VIDEO ||
+ c->type == AVMEDIA_TYPE_AUDIO) {
printf(" Threading capabilities: ");
switch (c->capabilities & (CODEC_CAP_FRAME_THREADS |
CODEC_CAP_SLICE_THREADS)) {
switch (type) {
case AVMEDIA_TYPE_VIDEO: return 'V';
case AVMEDIA_TYPE_AUDIO: return 'A';
+ case AVMEDIA_TYPE_DATA: return 'D';
case AVMEDIA_TYPE_SUBTITLE: return 'S';
+ case AVMEDIA_TYPE_ATTACHMENT:return 'T';
default: return '?';
}
}
return NULL;
}
+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(NULL, 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;
+}
+
static void print_codecs_for_id(enum AVCodecID id, int encoder)
{
const AVCodec *codec = NULL;
int show_codecs(void *optctx, const char *opt, const char *arg)
{
- const AVCodecDescriptor *desc = NULL;
+ const AVCodecDescriptor **codecs;
+ unsigned i, nb_codecs = get_codecs_sorted(&codecs);
printf("Codecs:\n"
" D..... = Decoding supported\n"
" ....L. = Lossy compression\n"
" .....S = Lossless compression\n"
" -------\n");
- while ((desc = avcodec_descriptor_next(desc))) {
+ for (i = 0; i < nb_codecs; i++) {
+ const AVCodecDescriptor *desc = codecs[i];
const AVCodec *codec = NULL;
+ if (strstr(desc->name, "_deprecated"))
+ continue;
+
+ printf(" ");
printf(avcodec_find_decoder(desc->id) ? "D" : ".");
printf(avcodec_find_encoder(desc->id) ? "E" : ".");
printf("\n");
}
+ av_free(codecs);
return 0;
}
static void print_codecs(int encoder)
{
- const AVCodecDescriptor *desc = NULL;
+ const AVCodecDescriptor **codecs;
+ unsigned i, nb_codecs = get_codecs_sorted(&codecs);
printf("%s:\n"
- " V... = Video\n"
- " A... = Audio\n"
- " S... = Subtitle\n"
- " .F.. = Frame-level multithreading\n"
- " ..S. = Slice-level multithreading\n"
- " ...X = Codec is experimental\n"
- " ---\n",
+ " 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",
encoder ? "Encoders" : "Decoders");
- while ((desc = avcodec_descriptor_next(desc))) {
+ for (i = 0; i < nb_codecs; i++) {
+ const AVCodecDescriptor *desc = codecs[i];
const AVCodec *codec = NULL;
while ((codec = next_codec_for_id(desc->id, codec, encoder))) {
- printf("%c", get_media_type_char(desc->type));
+ printf(" %c", get_media_type_char(desc->type));
printf((codec->capabilities & CODEC_CAP_FRAME_THREADS) ? "F" : ".");
printf((codec->capabilities & CODEC_CAP_SLICE_THREADS) ? "S" : ".");
printf((codec->capabilities & CODEC_CAP_EXPERIMENTAL) ? "X" : ".");
+ printf((codec->capabilities & CODEC_CAP_DRAW_HORIZ_BAND)?"B" : ".");
+ printf((codec->capabilities & CODEC_CAP_DR1) ? "D" : ".");
printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : "");
if (strcmp(codec->name, desc->name))
printf("\n");
}
}
+ av_free(codecs);
}
int show_decoders(void *optctx, const char *opt, const char *arg)
{
#if CONFIG_AVFILTER
const AVFilter *filter = NULL;
-
- printf("Filters:\n");
- while ((filter = avfilter_next(filter)))
- printf("%-16s %s\n", filter->name, filter->description);
+ char descr[64], *descr_cur;
+ int i, j;
+ const AVFilterPad *pad;
+
+ printf("Filters:\n"
+ " T.. = Timeline support\n"
+ " .S. = Slice threading\n"
+ " ..C = Commmand support\n"
+ " A = Audio input/output\n"
+ " V = Video input/output\n"
+ " N = Dynamic number and/or type of input/output\n"
+ " | = Source or sink filter\n");
+ while ((filter = avfilter_next(filter))) {
+ descr_cur = descr;
+ for (i = 0; i < 2; i++) {
+ if (i) {
+ *(descr_cur++) = '-';
+ *(descr_cur++) = '>';
+ }
+ pad = i ? filter->outputs : filter->inputs;
+ for (j = 0; pad && pad[j].name; j++) {
+ if (descr_cur >= descr + sizeof(descr) - 4)
+ break;
+ *(descr_cur++) = get_media_type_char(pad[j].type);
+ }
+ if (!j)
+ *(descr_cur++) = ((!i && (filter->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)) ||
+ ( i && (filter->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS))) ? 'N' : '|';
+ }
+ *descr_cur = 0;
+ printf(" %c%c%c %-16s %-10s %s\n",
+ filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE ? 'T' : '.',
+ filter->flags & AVFILTER_FLAG_SLICE_THREADS ? 'S' : '.',
+ filter->process_command ? 'C' : '.',
+ filter->name, descr, filter->description);
+ }
#else
printf("No filters available: libavfilter disabled\n");
#endif
return 0;
}
+int show_colors(void *optctx, const char *opt, const char *arg)
+{
+ const char *name;
+ const uint8_t *rgb;
+ int i;
+
+ printf("%-32s #RRGGBB\n", "name");
+
+ for (i = 0; name = av_get_known_color_name(i, &rgb); i++)
+ printf("%-32s #%02x%02x%02x\n", name, rgb[0], rgb[1], rgb[2]);
+
+ return 0;
+}
+
int show_pix_fmts(void *optctx, const char *opt, const char *arg)
{
const AVPixFmtDescriptor *pix_desc = NULL;
return 0;
}
+int show_layouts(void *optctx, const char *opt, const char *arg)
+{
+ 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("%-14s %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("%-14s ", 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;
+}
+
int show_sample_fmts(void *optctx, const char *opt, const char *arg)
{
int i;
}
if (!printed) {
- av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to Libav, "
- "but no %s for it are available. Libav might need to be "
+ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, "
+ "but no %s for it are available. FFmpeg might need to be "
"recompiled with additional external libraries.\n",
name, encoder ? "encoders" : "decoders");
}
} else {
- av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by Libav.\n",
+ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n",
name);
}
}
#if CONFIG_AVFILTER
static void show_help_filter(const char *name)
{
+#if CONFIG_AVFILTER
const AVFilter *f = avfilter_get_by_name(name);
int i, count;
return;
}
- printf("Filter %s [%s]:\n", f->name, f->description);
+ printf("Filter %s\n", f->name);
+ if (f->description)
+ printf(" %s\n", f->description);
if (f->flags & AVFILTER_FLAG_SLICE_THREADS)
printf(" slice threading supported\n");
printf(" Inputs:\n");
count = avfilter_pad_count(f->inputs);
for (i = 0; i < count; i++) {
- printf(" %d %s (%s)\n", i, avfilter_pad_get_name(f->inputs, i),
+ printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->inputs, i),
media_type_string(avfilter_pad_get_type(f->inputs, i)));
}
if (f->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)
printf(" dynamic (depending on the options)\n");
+ else if (!count)
+ printf(" none (source filter)\n");
printf(" Outputs:\n");
count = avfilter_pad_count(f->outputs);
for (i = 0; i < count; i++) {
- printf(" %d %s (%s)\n", i, avfilter_pad_get_name(f->outputs, i),
+ printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->outputs, i),
media_type_string(avfilter_pad_get_type(f->outputs, i)));
}
if (f->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS)
printf(" dynamic (depending on the options)\n");
+ else if (!count)
+ printf(" none (sink filter)\n");
if (f->priv_class)
- show_help_children(f->priv_class, AV_OPT_FLAG_VIDEO_PARAM |
+ show_help_children(f->priv_class, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM |
AV_OPT_FLAG_AUDIO_PARAM);
+ if (f->flags & AVFILTER_FLAG_SUPPORT_TIMELINE)
+ printf("This filter has support for timeline through the 'enable' option.\n");
+#else
+ av_log(NULL, AV_LOG_ERROR, "Build without libavfilter; "
+ "can not to satisfy request\n");
+#endif
}
#endif
int cmdutils_read_file(const char *filename, char **bufptr, size_t *size)
{
int ret;
- FILE *f = fopen(filename, "rb");
+ FILE *f = av_fopen_utf8(filename, "rb");
if (!f) {
+ ret = AVERROR(errno);
av_log(NULL, AV_LOG_ERROR, "Cannot read file '%s': %s\n", filename,
strerror(errno));
- return AVERROR(errno);
+ return ret;
}
fseek(f, 0, SEEK_END);
*size = ftell(f);
fseek(f, 0, SEEK_SET);
+ if (*size == (size_t)-1) {
+ ret = AVERROR(errno);
+ av_log(NULL, AV_LOG_ERROR, "IO error: %s\n", strerror(errno));
+ fclose(f);
+ return ret;
+ }
*bufptr = av_malloc(*size + 1);
if (!*bufptr) {
av_log(NULL, AV_LOG_ERROR, "Could not allocate file buffer\n");
if (ret < *size) {
av_free(*bufptr);
if (ferror(f)) {
+ ret = AVERROR(errno);
av_log(NULL, AV_LOG_ERROR, "Error while reading file '%s': %s\n",
filename, strerror(errno));
- ret = AVERROR(errno);
} else
ret = AVERROR_EOF;
} else {
return ret;
}
-void init_pts_correction(PtsCorrectionContext *ctx)
-{
- ctx->num_faulty_pts = ctx->num_faulty_dts = 0;
- ctx->last_pts = ctx->last_dts = INT64_MIN;
-}
-
-int64_t guess_correct_pts(PtsCorrectionContext *ctx, int64_t reordered_pts,
- int64_t dts)
-{
- int64_t pts = AV_NOPTS_VALUE;
-
- if (dts != AV_NOPTS_VALUE) {
- ctx->num_faulty_dts += dts <= ctx->last_dts;
- ctx->last_dts = dts;
- }
- if (reordered_pts != AV_NOPTS_VALUE) {
- ctx->num_faulty_pts += reordered_pts <= ctx->last_pts;
- ctx->last_pts = reordered_pts;
- }
- if ((ctx->num_faulty_pts<=ctx->num_faulty_dts || dts == AV_NOPTS_VALUE)
- && reordered_pts != AV_NOPTS_VALUE)
- pts = reordered_pts;
- else
- pts = dts;
-
- return pts;
-}
-
FILE *get_preset_file(char *filename, size_t filename_size,
const char *preset_name, int is_path,
const char *codec_name)
{
FILE *f = NULL;
int i;
- const char *base[3] = { getenv("AVCONV_DATADIR"),
+ const char *base[3] = { getenv("FFMPEG_DATADIR"),
getenv("HOME"),
- AVCONV_DATADIR, };
+ FFMPEG_DATADIR, };
if (is_path) {
av_strlcpy(filename, preset_name, filename_size);
f = fopen(filename, "r");
} else {
+#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
for (i = 0; i < 3 && !f; i++) {
if (!base[i])
continue;
- snprintf(filename, filename_size, "%s%s/%s.avpreset", base[i],
- i != 1 ? "" : "/.avconv", preset_name);
+ snprintf(filename, filename_size, "%s%s/%s.ffpreset", base[i],
+ i != 1 ? "" : "/.ffmpeg", preset_name);
f = fopen(filename, "r");
if (!f && codec_name) {
snprintf(filename, filename_size,
- "%s%s/%s-%s.avpreset",
- base[i], i != 1 ? "" : "/.avconv", codec_name,
+ "%s%s/%s-%s.ffpreset",
+ base[i], i != 1 ? "" : "/.ffmpeg", codec_name,
preset_name);
f = fopen(filename, "r");
}
int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
{
- if (*spec <= '9' && *spec >= '0') /* opt:index */
- return strtol(spec, NULL, 0) == st->index;
- else if (*spec == 'v' || *spec == 'a' || *spec == 's' || *spec == 'd' ||
- *spec == 't') { /* opt:[vasdt] */
- enum AVMediaType type;
-
- switch (*spec++) {
- case 'v': type = AVMEDIA_TYPE_VIDEO; break;
- case 'a': type = AVMEDIA_TYPE_AUDIO; break;
- case 's': type = AVMEDIA_TYPE_SUBTITLE; break;
- case 'd': type = AVMEDIA_TYPE_DATA; break;
- case 't': type = AVMEDIA_TYPE_ATTACHMENT; break;
- default: av_assert0(0);
- }
- if (type != st->codec->codec_type)
- return 0;
- if (*spec++ == ':') { /* possibly followed by :index */
- int i, index = strtol(spec, NULL, 0);
- for (i = 0; i < s->nb_streams; i++)
- if (s->streams[i]->codec->codec_type == type && index-- == 0)
- return i == st->index;
- return 0;
- }
- return 1;
- } else if (*spec == 'p' && *(spec + 1) == ':') {
- int prog_id, i, j;
- char *endptr;
- spec += 2;
- prog_id = strtol(spec, &endptr, 0);
- for (i = 0; i < s->nb_programs; i++) {
- if (s->programs[i]->id != prog_id)
- continue;
-
- if (*endptr++ == ':') {
- int stream_idx = strtol(endptr, NULL, 0);
- return stream_idx >= 0 &&
- stream_idx < s->programs[i]->nb_stream_indexes &&
- st->index == s->programs[i]->stream_index[stream_idx];
- }
-
- for (j = 0; j < s->programs[i]->nb_stream_indexes; j++)
- if (st->index == s->programs[i]->stream_index[j])
- return 1;
- }
- return 0;
- } else if (*spec == 'i' && *(spec + 1) == ':') {
- int stream_id;
- char *endptr;
- spec += 2;
- stream_id = strtol(spec, &endptr, 0);
- return stream_id == st->id;
- } else if (*spec == 'm' && *(spec + 1) == ':') {
- AVDictionaryEntry *tag;
- char *key, *val;
- int ret;
-
- spec += 2;
- val = strchr(spec, ':');
-
- key = val ? av_strndup(spec, val - spec) : av_strdup(spec);
- if (!key)
- return AVERROR(ENOMEM);
-
- tag = av_dict_get(st->metadata, key, NULL, 0);
- if (tag) {
- if (!val || !strcmp(tag->value, val + 1))
- ret = 1;
- else
- ret = 0;
- } else
- ret = 0;
-
- av_freep(&key);
- return ret;
- } else if (!*spec) /* empty specifier, matches everything */
- return 1;
-
- av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec);
- return AVERROR(EINVAL);
+ 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;
}
AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
}
if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) ||
- (codec && codec->priv_class &&
+ !codec ||
+ (codec->priv_class &&
av_opt_find(&codec->priv_class, t->key, NULL, flags,
AV_OPT_SEARCH_FAKE_OBJ)))
av_dict_set(&ret, t->key, t->value, 0);
if (!s->nb_streams)
return NULL;
- opts = av_mallocz(s->nb_streams * sizeof(*opts));
+ opts = av_mallocz_array(s->nb_streams, sizeof(*opts));
if (!opts) {
av_log(NULL, AV_LOG_ERROR,
"Could not alloc memory for stream options.\n");
return array;
}
-const char *media_type_string(enum AVMediaType media_type)
+#if CONFIG_AVDEVICE
+static int print_device_sources(AVInputFormat *fmt, AVDictionary *opts)
{
- switch (media_type) {
- case AVMEDIA_TYPE_VIDEO: return "video";
- case AVMEDIA_TYPE_AUDIO: return "audio";
- case AVMEDIA_TYPE_DATA: return "data";
- case AVMEDIA_TYPE_SUBTITLE: return "subtitle";
- case AVMEDIA_TYPE_ATTACHMENT: return "attachment";
- default: return "unknown";
+ int ret, i;
+ AVFormatContext *dev = NULL;
+ AVDeviceInfoList *device_list = NULL;
+ AVDictionary *tmp_opts = NULL;
+
+ if (!fmt || !fmt->priv_class || !AV_IS_INPUT_DEVICE(fmt->priv_class->category))
+ return AVERROR(EINVAL);
+
+ printf("Audo-detected sources for %s:\n", fmt->name);
+ if (!fmt->get_device_list) {
+ ret = AVERROR(ENOSYS);
+ printf("Cannot list sources. Not implemented.\n");
+ goto fail;
}
+
+ /* TODO: avformat_open_input calls read_header callback which is not necessary.
+ Function like avformat_alloc_output_context2 for input could be helpful here. */
+ av_dict_copy(&tmp_opts, opts, 0);
+ if ((ret = avformat_open_input(&dev, NULL, fmt, &tmp_opts)) < 0) {
+ printf("Cannot open device: %s.\n", fmt->name);
+ goto fail;
+ }
+
+ if ((ret = avdevice_list_devices(dev, &device_list)) < 0) {
+ printf("Cannot list sources.\n");
+ goto fail;
+ }
+
+ for (i = 0; i < device_list->nb_devices; i++) {
+ printf("%s %s [%s]\n", device_list->default_device == i ? "*" : " ",
+ device_list->devices[i]->device_name, device_list->devices[i]->device_description);
+ }
+
+ fail:
+ av_dict_free(&tmp_opts);
+ avdevice_free_list_devices(&device_list);
+ avformat_close_input(&dev);
+ return ret;
}
+
+static int print_device_sinks(AVOutputFormat *fmt, AVDictionary *opts)
+{
+ int ret, i;
+ AVFormatContext *dev = NULL;
+ AVDeviceInfoList *device_list = NULL;
+ AVDictionary *tmp_opts = NULL;
+
+ if (!fmt || !fmt->priv_class || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category))
+ return AVERROR(EINVAL);
+
+ printf("Audo-detected sinks for %s:\n", fmt->name);
+ if (!fmt->get_device_list) {
+ ret = AVERROR(ENOSYS);
+ printf("Cannot list sinks. Not implemented.\n");
+ goto fail;
+ }
+
+ if ((ret = avformat_alloc_output_context2(&dev, fmt, NULL, NULL)) < 0) {
+ printf("Cannot open device: %s.\n", fmt->name);
+ goto fail;
+ }
+ av_dict_copy(&tmp_opts, opts, 0);
+ av_opt_set_dict2(dev, &tmp_opts, AV_OPT_SEARCH_CHILDREN);
+
+ if ((ret = avdevice_list_devices(dev, &device_list)) < 0) {
+ printf("Cannot list sinks.\n");
+ goto fail;
+ }
+
+ for (i = 0; i < device_list->nb_devices; i++) {
+ printf("%s %s [%s]\n", device_list->default_device == i ? "*" : " ",
+ device_list->devices[i]->device_name, device_list->devices[i]->device_description);
+ }
+
+ fail:
+ av_dict_free(&tmp_opts);
+ avdevice_free_list_devices(&device_list);
+ avformat_free_context(dev);
+ return ret;
+}
+
+static int show_sinks_sources_parse_arg(const char *arg, char **dev, AVDictionary **opts)
+{
+ int ret;
+ if (arg) {
+ char *opts_str = NULL;
+ av_assert0(dev && opts);
+ *dev = av_strdup(arg);
+ if (!*dev)
+ return AVERROR(ENOMEM);
+ if ((opts_str = strchr(*dev, ','))) {
+ *(opts_str++) = '\0';
+ if (opts_str[0] && ((ret = av_dict_parse_string(opts, opts_str, "=", ":", 0)) < 0)) {
+ av_freep(dev);
+ return ret;
+ }
+ }
+ } else
+ printf("\nDevice name is not provided.\n"
+ "You can pass devicename[,opt1=val1[,opt2=val2...]] as an argument.\n\n");
+ return 0;
+}
+
+int show_sources(void *optctx, const char *opt, const char *arg)
+{
+ AVInputFormat *fmt = NULL;
+ char *dev = NULL;
+ AVDictionary *opts = NULL;
+ int ret = 0;
+ int error_level = av_log_get_level();
+
+ av_log_set_level(AV_LOG_ERROR);
+
+ if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
+ goto fail;
+
+ do {
+ fmt = av_input_audio_device_next(fmt);
+ if (fmt) {
+ if (!strcmp(fmt->name, "lavfi"))
+ continue; //it's pointless to probe lavfi
+ if (dev && strcmp(fmt->name, dev))
+ continue;
+ print_device_sources(fmt, opts);
+ }
+ } while (fmt);
+ do {
+ fmt = av_input_video_device_next(fmt);
+ if (fmt) {
+ if (dev && strcmp(fmt->name, dev))
+ continue;
+ print_device_sources(fmt, opts);
+ }
+ } while (fmt);
+ fail:
+ av_dict_free(&opts);
+ av_free(dev);
+ av_log_set_level(error_level);
+ return ret;
+}
+
+int show_sinks(void *optctx, const char *opt, const char *arg)
+{
+ AVOutputFormat *fmt = NULL;
+ char *dev = NULL;
+ AVDictionary *opts = NULL;
+ int ret = 0;
+ int error_level = av_log_get_level();
+
+ av_log_set_level(AV_LOG_ERROR);
+
+ if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
+ goto fail;
+
+ do {
+ fmt = av_output_audio_device_next(fmt);
+ if (fmt) {
+ if (dev && strcmp(fmt->name, dev))
+ continue;
+ print_device_sinks(fmt, opts);
+ }
+ } while (fmt);
+ do {
+ fmt = av_output_video_device_next(fmt);
+ if (fmt) {
+ if (dev && strcmp(fmt->name, dev))
+ continue;
+ print_device_sinks(fmt, opts);
+ }
+ } while (fmt);
+ fail:
+ av_dict_free(&opts);
+ av_free(dev);
+ av_log_set_level(error_level);
+ return ret;
+}
+#endif
projects / ffmpeg / blobdiff