[FFmpeg-cvslog] Merge commit '908f737d6c2900b5d34319ca6ea1d1cb71221463'
James Almer
git at videolan.org
Wed Nov 1 23:03:02 EET 2017
ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Wed Nov 1 18:01:32 2017 -0300| [26868f80e0255483df7de97b3b225a836ef33e60] | committer: James Almer
Merge commit '908f737d6c2900b5d34319ca6ea1d1cb71221463'
* commit '908f737d6c2900b5d34319ca6ea1d1cb71221463':
cmdutils: Mark conditionally used variable as av_unused
Merged-by: James Almer <jamrial at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=26868f80e0255483df7de97b3b225a836ef33e60
---
fftools/cmdutils.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fftools/cmdutils.c b/fftools/cmdutils.c
index 3d428f3eea..6920ca0764 100644
--- a/fftools/cmdutils.c
+++ b/fftools/cmdutils.c
@@ -38,6 +38,7 @@
#include "libswscale/swscale.h"
#include "libswresample/swresample.h"
#include "libpostproc/postprocess.h"
+#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
@@ -1702,7 +1703,7 @@ int show_pix_fmts(void *optctx, const char *opt, const char *arg)
#endif
while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) {
- enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
+ enum AVPixelFormat av_unused pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
printf("%c%c%c%c%c %-16s %d %2d\n",
sws_isSupportedInput (pix_fmt) ? 'I' : '.',
sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
======================================================================
diff --cc fftools/cmdutils.c
index 3d428f3eea,0000000000..6920ca0764
mode 100644,000000..100644
--- a/fftools/cmdutils.c
+++ b/fftools/cmdutils.c
@@@ -1,2274 -1,0 +1,2275 @@@
+/*
+ * Various utilities for command line tools
+ * Copyright (c) 2000-2003 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * 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.
+ *
+ * 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <string.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <math.h>
+
+/* 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. */
+
+#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/attributes.h"
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/bprint.h"
+#include "libavutil/display.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/libm.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/eval.h"
+#include "libavutil/dict.h"
+#include "libavutil/opt.h"
+#include "libavutil/cpu.h"
+#include "libavutil/ffversion.h"
+#include "libavutil/version.h"
+#include "cmdutils.h"
+#if CONFIG_NETWORK
+#include "libavformat/network.h"
+#endif
+#if HAVE_SYS_RESOURCE_H
+#include <sys/time.h>
+#include <sys/resource.h>
+#endif
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+static int init_report(const char *env);
+
+AVDictionary *sws_dict;
+AVDictionary *swr_opts;
+AVDictionary *format_opts, *codec_opts, *resample_opts;
+
+static FILE *report_file;
+static int report_file_level = AV_LOG_DEBUG;
+int hide_banner = 0;
+
+enum show_muxdemuxers {
+ SHOW_DEFAULT,
+ SHOW_DEMUXERS,
+ SHOW_MUXERS,
+};
+
+void init_opts(void)
+{
+ av_dict_set(&sws_dict, "flags", "bicubic", 0);
+}
+
+void uninit_opts(void)
+{
+ av_dict_free(&swr_opts);
+ av_dict_free(&sws_dict);
+ av_dict_free(&format_opts);
+ av_dict_free(&codec_opts);
+ av_dict_free(&resample_opts);
+}
+
+void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
+{
+ 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);
+ }
+}
+
+void init_dynload(void)
+{
+#ifdef _WIN32
+ /* Calling SetDllDirectory with the empty string (but not NULL) removes the
+ * current working directory from the DLL search path as a security pre-caution. */
+ SetDllDirectory("");
+#endif
+}
+
+static void (*program_exit)(int ret);
+
+void register_exit(void (*cb)(int ret))
+{
+ program_exit = cb;
+}
+
+void exit_program(int ret)
+{
+ if (program_exit)
+ program_exit(ret);
+
+ exit(ret);
+}
+
+double parse_number_or_die(const char *context, const char *numstr, int type,
+ double min, double max)
+{
+ char *tail;
+ const char *error;
+ double d = av_strtod(numstr, &tail);
+ if (*tail)
+ error = "Expected number for %s but found: %s\n";
+ else if (d < min || d > max)
+ 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";
+ else if (type == OPT_INT && (int)d != d)
+ error = "Expected int for %s but found %s\n";
+ else
+ return d;
+ av_log(NULL, AV_LOG_FATAL, error, context, numstr, min, max);
+ exit_program(1);
+ return 0;
+}
+
+int64_t parse_time_or_die(const char *context, const char *timestr,
+ int is_duration)
+{
+ int64_t us;
+ if (av_parse_time(&us, timestr, is_duration) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid %s specification for %s: %s\n",
+ is_duration ? "duration" : "date", context, timestr);
+ exit_program(1);
+ }
+ return us;
+}
+
+void show_help_options(const OptionDef *options, const char *msg, int req_flags,
+ int rej_flags, int alt_flags)
+{
+ const OptionDef *po;
+ int first;
+
+ first = 1;
+ for (po = options; po->name; po++) {
+ char buf[64];
+
+ if (((po->flags & req_flags) != req_flags) ||
+ (alt_flags && !(po->flags & alt_flags)) ||
+ (po->flags & rej_flags))
+ continue;
+
+ if (first) {
+ printf("%s\n", msg);
+ first = 0;
+ }
+ av_strlcpy(buf, po->name, sizeof(buf));
+ if (po->argname) {
+ av_strlcat(buf, " ", sizeof(buf));
+ av_strlcat(buf, po->argname, sizeof(buf));
+ }
+ printf("-%-17s %s\n", buf, po->help);
+ }
+ printf("\n");
+}
+
+void show_help_children(const AVClass *class, int flags)
+{
+ const AVClass *child = NULL;
+ 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);
+}
+
+static const OptionDef *find_option(const OptionDef *po, const char *name)
+{
+ const char *p = strchr(name, ':');
+ int len = p ? p - name : strlen(name);
+
+ while (po->name) {
+ if (!strncmp(name, po->name, len) && strlen(po->name) == len)
+ break;
+ po++;
+ }
+ return po;
+}
+
+/* _WIN32 means using the windows libc - cygwin doesn't define that
+ * by default. HAVE_COMMANDLINETOARGVW is true on cygwin, while
+ * it doesn't provide the actual command line via GetCommandLineW(). */
+#if HAVE_COMMANDLINETOARGVW && defined(_WIN32)
+#include <shellapi.h>
+/* 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);
+
+ win32_argv_utf8 = av_mallocz(sizeof(char *) * (win32_argc + 1) + buffsize);
+ argstr_flat = (char *)win32_argv_utf8 + sizeof(char *) * (win32_argc + 1);
+ if (!win32_argv_utf8) {
+ 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 /* HAVE_COMMANDLINETOARGVW */
+
+static int write_option(void *optctx, const OptionDef *po, const char *opt,
+ const char *arg)
+{
+ /* new-style options contain an offset into optctx, old-style address of
+ * a global var*/
+ void *dst = po->flags & (OPT_OFFSET | OPT_SPEC) ?
+ (uint8_t *)optctx + po->u.off : po->u.dst_ptr;
+ int *dstcount;
+
+ if (po->flags & OPT_SPEC) {
+ SpecifierOpt **so = dst;
+ char *p = strchr(opt, ':');
+ char *str;
+
+ dstcount = (int *)(so + 1);
+ *so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1);
+ str = av_strdup(p ? p + 1 : "");
+ if (!str)
+ return AVERROR(ENOMEM);
+ (*so)[*dstcount - 1].specifier = str;
+ dst = &(*so)[*dstcount - 1].u;
+ }
+
+ if (po->flags & OPT_STRING) {
+ char *str;
+ str = av_strdup(arg);
+ av_freep(dst);
+ if (!str)
+ return AVERROR(ENOMEM);
+ *(char **)dst = str;
+ } else if (po->flags & OPT_BOOL || po->flags & OPT_INT) {
+ *(int *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
+ } else if (po->flags & OPT_INT64) {
+ *(int64_t *)dst = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
+ } else if (po->flags & OPT_TIME) {
+ *(int64_t *)dst = parse_time_or_die(opt, arg, 1);
+ } else if (po->flags & OPT_FLOAT) {
+ *(float *)dst = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);
+ } else if (po->flags & OPT_DOUBLE) {
+ *(double *)dst = parse_number_or_die(opt, arg, OPT_DOUBLE, -INFINITY, INFINITY);
+ } else if (po->u.func_arg) {
+ 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': %s\n",
+ arg, opt, av_err2str(ret));
+ return ret;
+ }
+ }
+ if (po->flags & OPT_EXIT)
+ exit_program(0);
+
+ return 0;
+}
+
+int parse_option(void *optctx, const char *opt, const char *arg,
+ const OptionDef *options)
+{
+ const OptionDef *po;
+ int ret;
+
+ po = find_option(options, opt);
+ if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
+ /* handle 'no' bool option */
+ po = find_option(options, opt + 2);
+ if ((po->name && (po->flags & OPT_BOOL)))
+ arg = "0";
+ } else if (po->flags & OPT_BOOL)
+ arg = "1";
+
+ 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);
+ }
+
+ ret = write_option(optctx, po, opt, arg);
+ if (ret < 0)
+ return ret;
+
+ return !!(po->flags & HAS_ARG);
+}
+
+void parse_options(void *optctx, int argc, char **argv, const OptionDef *options,
+ void (*parse_arg_function)(void *, const char*))
+{
+ const char *opt;
+ int optindex, handleoptions = 1, ret;
+
+ /* perform system-dependent conversions for arguments list */
+ prepare_app_arguments(&argc, &argv);
+
+ /* parse options */
+ optindex = 1;
+ while (optindex < argc) {
+ opt = argv[optindex++];
+
+ if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
+ if (opt[1] == '-' && opt[2] == '\0') {
+ handleoptions = 0;
+ continue;
+ }
+ opt++;
+
+ if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0)
+ exit_program(1);
+ optindex += ret;
+ } else {
+ if (parse_arg_function)
+ parse_arg_function(optctx, opt);
+ }
+ }
+}
+
+int parse_optgroup(void *optctx, OptionGroup *g)
+{
+ int i, ret;
+
+ av_log(NULL, AV_LOG_DEBUG, "Parsing a group of options: %s %s.\n",
+ g->group_def->name, g->arg);
+
+ for (i = 0; i < g->nb_opts; i++) {
+ Option *o = &g->opts[i];
+
+ if (g->group_def->flags &&
+ !(g->group_def->flags & o->opt->flags)) {
+ av_log(NULL, AV_LOG_ERROR, "Option %s (%s) cannot be applied to "
+ "%s %s -- you are trying to apply an input option to an "
+ "output file or vice versa. Move this option before the "
+ "file it belongs to.\n", o->key, o->opt->help,
+ g->group_def->name, g->arg);
+ return AVERROR(EINVAL);
+ }
+
+ av_log(NULL, AV_LOG_DEBUG, "Applying option %s (%s) with argument %s.\n",
+ o->key, o->opt->help, o->val);
+
+ ret = write_option(optctx, o->opt, o->key, o->val);
+ if (ret < 0)
+ return ret;
+ }
+
+ av_log(NULL, AV_LOG_DEBUG, "Successfully parsed a group of options.\n");
+
+ return 0;
+}
+
+int locate_option(int argc, char **argv, const OptionDef *options,
+ const char *optname)
+{
+ 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->name || po->flags & HAS_ARG)
+ i++;
+ }
+ 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);
+}
+
+static void check_options(const OptionDef *po)
+{
+ while (po->name) {
+ if (po->flags & OPT_PERFILE)
+ av_assert0(po->flags & (OPT_INPUT | OPT_OUTPUT));
+ po++;
+ }
+}
+
+void parse_loglevel(int argc, char **argv, const OptionDef *options)
+{
+ int idx = locate_option(argc, argv, options, "loglevel");
+ const char *env;
+
+ check_options(options);
+
+ 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 && (arg[0]=='-' || arg[0]=='+')) ? 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
+#if CONFIG_SWRESAMPLE
+ const AVClass *swr_class = swr_get_class();
+#endif
+
+ 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 = 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 = opt_find(&cc, opt + 1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)))) {
+ av_dict_set(&codec_opts, opt, arg, FLAGS);
+ 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 (consumed)
+ av_log(NULL, AV_LOG_VERBOSE, "Routing option %s to both codec and muxer layer\n", opt);
+ consumed = 1;
+ }
+#if CONFIG_SWSCALE
+ if (!consumed && (o = opt_find(&sc, opt, NULL, 0,
+ AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
+ struct SwsContext *sws = sws_alloc_context();
+ int ret = av_opt_set(sws, opt, arg, 0);
+ sws_freeContext(sws);
+ if (!strcmp(opt, "srcw") || !strcmp(opt, "srch") ||
+ !strcmp(opt, "dstw") || !strcmp(opt, "dsth") ||
+ !strcmp(opt, "src_format") || !strcmp(opt, "dst_format")) {
+ av_log(NULL, AV_LOG_ERROR, "Directly using swscale dimensions/format options is not supported, please use the -s or -pix_fmt options\n");
+ return AVERROR(EINVAL);
+ }
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
+ return ret;
+ }
+
+ av_dict_set(&sws_dict, opt, arg, FLAGS);
+
+ 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
+ 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 (consumed)
+ return 0;
+ return AVERROR_OPTION_NOT_FOUND;
+}
+
+/*
+ * Check whether given option is a group separator.
+ *
+ * @return index of the group definition that matched or -1 if none
+ */
+static int match_group_separator(const OptionGroupDef *groups, int nb_groups,
+ const char *opt)
+{
+ int i;
+
+ for (i = 0; i < nb_groups; i++) {
+ const OptionGroupDef *p = &groups[i];
+ if (p->sep && !strcmp(p->sep, opt))
+ return i;
+ }
+
+ return -1;
+}
+
+/*
+ * Finish parsing an option group.
+ *
+ * @param group_idx which group definition should this group belong to
+ * @param arg argument of the group delimiting option
+ */
+static void finish_group(OptionParseContext *octx, int group_idx,
+ const char *arg)
+{
+ OptionGroupList *l = &octx->groups[group_idx];
+ OptionGroup *g;
+
+ GROW_ARRAY(l->groups, l->nb_groups);
+ g = &l->groups[l->nb_groups - 1];
+
+ *g = octx->cur_group;
+ g->arg = arg;
+ g->group_def = l->group_def;
+ g->sws_dict = sws_dict;
+ g->swr_opts = swr_opts;
+ g->codec_opts = codec_opts;
+ g->format_opts = format_opts;
+ g->resample_opts = resample_opts;
+
+ codec_opts = NULL;
+ format_opts = NULL;
+ resample_opts = NULL;
+ sws_dict = NULL;
+ swr_opts = NULL;
+ init_opts();
+
+ memset(&octx->cur_group, 0, sizeof(octx->cur_group));
+}
+
+/*
+ * Add an option instance to currently parsed group.
+ */
+static void add_opt(OptionParseContext *octx, const OptionDef *opt,
+ const char *key, const char *val)
+{
+ int global = !(opt->flags & (OPT_PERFILE | OPT_SPEC | OPT_OFFSET));
+ OptionGroup *g = global ? &octx->global_opts : &octx->cur_group;
+
+ GROW_ARRAY(g->opts, g->nb_opts);
+ g->opts[g->nb_opts - 1].opt = opt;
+ g->opts[g->nb_opts - 1].key = key;
+ g->opts[g->nb_opts - 1].val = val;
+}
+
+static void init_parse_context(OptionParseContext *octx,
+ const OptionGroupDef *groups, int nb_groups)
+{
+ static const OptionGroupDef global_group = { "global" };
+ int i;
+
+ memset(octx, 0, sizeof(*octx));
+
+ octx->nb_groups = nb_groups;
+ octx->groups = av_mallocz_array(octx->nb_groups, sizeof(*octx->groups));
+ if (!octx->groups)
+ exit_program(1);
+
+ for (i = 0; i < octx->nb_groups; i++)
+ octx->groups[i].group_def = &groups[i];
+
+ octx->global_opts.group_def = &global_group;
+ octx->global_opts.arg = "";
+
+ init_opts();
+}
+
+void uninit_parse_context(OptionParseContext *octx)
+{
+ int i, j;
+
+ for (i = 0; i < octx->nb_groups; i++) {
+ OptionGroupList *l = &octx->groups[i];
+
+ for (j = 0; j < l->nb_groups; j++) {
+ av_freep(&l->groups[j].opts);
+ av_dict_free(&l->groups[j].codec_opts);
+ av_dict_free(&l->groups[j].format_opts);
+ av_dict_free(&l->groups[j].resample_opts);
+
+ av_dict_free(&l->groups[j].sws_dict);
+ av_dict_free(&l->groups[j].swr_opts);
+ }
+ av_freep(&l->groups);
+ }
+ av_freep(&octx->groups);
+
+ av_freep(&octx->cur_group.opts);
+ av_freep(&octx->global_opts.opts);
+
+ uninit_opts();
+}
+
+int split_commandline(OptionParseContext *octx, int argc, char *argv[],
+ const OptionDef *options,
+ const OptionGroupDef *groups, int nb_groups)
+{
+ int optindex = 1;
+ int dashdash = -2;
+
+ /* perform system-dependent conversions for arguments list */
+ prepare_app_arguments(&argc, &argv);
+
+ init_parse_context(octx, groups, nb_groups);
+ av_log(NULL, AV_LOG_DEBUG, "Splitting the commandline.\n");
+
+ while (optindex < argc) {
+ const char *opt = argv[optindex++], *arg;
+ const OptionDef *po;
+ int ret;
+
+ 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] || dashdash+1 == optindex) {
+ finish_group(octx, 0, opt);
+ av_log(NULL, AV_LOG_DEBUG, " matched as %s.\n", groups[0].name);
+ continue;
+ }
+ opt++;
+
+#define GET_ARG(arg) \
+do { \
+ arg = argv[optindex++]; \
+ if (!arg) { \
+ av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'.\n", opt);\
+ return AVERROR(EINVAL); \
+ } \
+} while (0)
+
+ /* named group separators, e.g. -i */
+ if ((ret = match_group_separator(groups, nb_groups, opt)) >= 0) {
+ GET_ARG(arg);
+ finish_group(octx, ret, arg);
+ av_log(NULL, AV_LOG_DEBUG, " matched as %s with argument '%s'.\n",
+ groups[ret].name, arg);
+ continue;
+ }
+
+ /* normal options */
+ po = find_option(options, opt);
+ if (po->name) {
+ if (po->flags & OPT_EXIT) {
+ /* optional argument, e.g. -h */
+ arg = argv[optindex++];
+ } else if (po->flags & HAS_ARG) {
+ GET_ARG(arg);
+ } else {
+ arg = "1";
+ }
+
+ add_opt(octx, po, opt, arg);
+ av_log(NULL, AV_LOG_DEBUG, " matched as option '%s' (%s) with "
+ "argument '%s'.\n", po->name, po->help, arg);
+ continue;
+ }
+
+ /* AVOptions */
+ if (argv[optindex]) {
+ ret = opt_default(NULL, opt, argv[optindex]);
+ if (ret >= 0) {
+ av_log(NULL, AV_LOG_DEBUG, " matched as AVOption '%s' with "
+ "argument '%s'.\n", opt, argv[optindex]);
+ optindex++;
+ continue;
+ } else if (ret != AVERROR_OPTION_NOT_FOUND) {
+ av_log(NULL, AV_LOG_ERROR, "Error parsing option '%s' "
+ "with argument '%s'.\n", opt, argv[optindex]);
+ return ret;
+ }
+ }
+
+ /* boolean -nofoo options */
+ if (opt[0] == 'n' && opt[1] == 'o' &&
+ (po = find_option(options, opt + 2)) &&
+ po->name && po->flags & OPT_BOOL) {
+ add_opt(octx, po, opt, "0");
+ av_log(NULL, AV_LOG_DEBUG, " matched as option '%s' (%s) with "
+ "argument 0.\n", po->name, po->help);
+ continue;
+ }
+
+ av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'.\n", opt);
+ return AVERROR_OPTION_NOT_FOUND;
+ }
+
+ if (octx->cur_group.nb_opts || codec_opts || format_opts || resample_opts)
+ av_log(NULL, AV_LOG_WARNING, "Trailing options were found on the "
+ "commandline.\n");
+
+ av_log(NULL, AV_LOG_DEBUG, "Finished splitting the commandline.\n");
+
+ return 0;
+}
+
+int opt_cpuflags(void *optctx, const char *opt, const char *arg)
+{
+ int ret;
+ unsigned flags = av_get_cpu_flags();
+
+ if ((ret = av_parse_cpu_caps(&flags, arg)) < 0)
+ return ret;
+
+ av_force_cpu_flags(flags);
+ return 0;
+}
+
+int opt_loglevel(void *optctx, const char *opt, const char *arg)
+{
+ const struct { const char *name; int level; } log_levels[] = {
+ { "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 },
+ { "trace" , AV_LOG_TRACE },
+ };
+ 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;
+ }
+ }
+
+ level = strtol(arg, &tail, 10);
+ if (*tail) {
+ av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". "
+ "Possible levels are numbers or:\n", arg);
+ for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
+ av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name);
+ exit_program(1);
+ }
+ av_log_set_level(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
+ 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
+ av_log(NULL, AV_LOG_WARNING, "-%s not implemented on this OS\n", opt);
+#endif
+ return 0;
+}
+
+void print_error(const char *filename, int err)
+{
+ char errbuf[128];
+ const char *errbuf_ptr = errbuf;
+
+ if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
+ errbuf_ptr = strerror(AVUNERROR(err));
+ av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, errbuf_ptr);
+}
+
+static int warned_cfg = 0;
+
+#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) { \
+ const char *indent = flags & INDENT? " " : ""; \
+ if (flags & SHOW_VERSION) { \
+ unsigned int version = libname##_version(); \
+ av_log(NULL, level, \
+ "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \
+ indent, #libname, \
+ LIB##LIBNAME##_VERSION_MAJOR, \
+ LIB##LIBNAME##_VERSION_MINOR, \
+ LIB##LIBNAME##_VERSION_MICRO, \
+ AV_VERSION_MAJOR(version), AV_VERSION_MINOR(version),\
+ AV_VERSION_MICRO(version)); \
+ } \
+ if (flags & SHOW_CONFIG) { \
+ const char *cfg = libname##_configuration(); \
+ if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \
+ if (!warned_cfg) { \
+ av_log(NULL, level, \
+ "%sWARNING: library configuration mismatch\n", \
+ indent); \
+ warned_cfg = 1; \
+ } \
+ av_log(NULL, level, "%s%-11s configuration: %s\n", \
+ indent, #libname, cfg); \
+ } \
+ } \
+ } \
+
+static void print_all_libs_info(int flags, int level)
+{
+ 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);
+ 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);
+}
+
+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, CONFIG_THIS_YEAR);
+ av_log(NULL, level, "\n");
+ av_log(NULL, level, "%sbuilt with %s\n", indent, 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);
+ 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)
+{
+#if CONFIG_NONFREE
+ printf(
+ "This version of %s has nonfree parts compiled in.\n"
+ "Therefore it is not legally redistributable.\n",
+ 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"
+ "(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 );
+#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"
+ "(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, 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 );
+#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"
+ "(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 );
+#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"
+ "version 2.1 of the License, or (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 GNU\n"
+ "Lesser General Public License for more details.\n"
+ "\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 );
+#endif
+
+ return 0;
+}
+
+static int is_device(const AVClass *avclass)
+{
+ if (!avclass)
+ return 0;
+ return AV_IS_INPUT_DEVICE(avclass->category) || AV_IS_OUTPUT_DEVICE(avclass->category);
+}
+
+static int show_formats_devices(void *optctx, const char *opt, const char *arg, int device_only, int muxdemuxers)
+{
+ AVInputFormat *ifmt = NULL;
+ AVOutputFormat *ofmt = NULL;
+ const char *last_name;
+ int is_dev;
+
+ printf("%s\n"
+ " D. = Demuxing supported\n"
+ " .E = Muxing supported\n"
+ " --\n", device_only ? "Devices:" : "File formats:");
+ last_name = "000";
+ for (;;) {
+ int decode = 0;
+ int encode = 0;
+ const char *name = NULL;
+ const char *long_name = NULL;
+
+ if (muxdemuxers !=SHOW_DEMUXERS) {
+ 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;
+ long_name = ofmt->long_name;
+ encode = 1;
+ }
+ }
+ }
+ if (muxdemuxers != SHOW_MUXERS) {
+ 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;
+ long_name = ifmt->long_name;
+ encode = 0;
+ }
+ if (name && strcmp(ifmt->name, name) == 0)
+ decode = 1;
+ }
+ }
+ if (!name)
+ break;
+ last_name = name;
+
+ printf(" %s%s %-15s %s\n",
+ decode ? "D" : " ",
+ encode ? "E" : " ",
+ name,
+ long_name ? long_name:" ");
+ }
+ return 0;
+}
+
+int show_formats(void *optctx, const char *opt, const char *arg)
+{
+ return show_formats_devices(optctx, opt, arg, 0, SHOW_DEFAULT);
+}
+
+int show_muxers(void *optctx, const char *opt, const char *arg)
+{
+ return show_formats_devices(optctx, opt, arg, 0, SHOW_MUXERS);
+}
+
+int show_demuxers(void *optctx, const char *opt, const char *arg)
+{
+ return show_formats_devices(optctx, opt, arg, 0, SHOW_DEMUXERS);
+}
+
+int show_devices(void *optctx, const char *opt, const char *arg)
+{
+ return show_formats_devices(optctx, opt, arg, 1, SHOW_DEFAULT);
+}
+
+#define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \
+ if (codec->field) { \
+ const type *p = codec->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 : "");
+
+ printf(" General capabilities: ");
+ if (c->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND)
+ printf("horizband ");
+ if (c->capabilities & AV_CODEC_CAP_DR1)
+ printf("dr1 ");
+ if (c->capabilities & AV_CODEC_CAP_TRUNCATED)
+ printf("trunc ");
+ if (c->capabilities & AV_CODEC_CAP_DELAY)
+ printf("delay ");
+ if (c->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME)
+ printf("small ");
+ if (c->capabilities & AV_CODEC_CAP_SUBFRAMES)
+ printf("subframes ");
+ if (c->capabilities & AV_CODEC_CAP_EXPERIMENTAL)
+ printf("exp ");
+ if (c->capabilities & AV_CODEC_CAP_CHANNEL_CONF)
+ printf("chconf ");
+ if (c->capabilities & AV_CODEC_CAP_PARAM_CHANGE)
+ printf("paramchange ");
+ if (c->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)
+ printf("variable ");
+ if (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS |
+ AV_CODEC_CAP_SLICE_THREADS |
+ AV_CODEC_CAP_AUTO_THREADS))
+ printf("threads ");
+ if (!c->capabilities)
+ printf("none");
+ printf("\n");
+
+ if (c->type == AVMEDIA_TYPE_VIDEO ||
+ c->type == AVMEDIA_TYPE_AUDIO) {
+ printf(" Threading capabilities: ");
+ switch (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS |
+ AV_CODEC_CAP_SLICE_THREADS |
+ AV_CODEC_CAP_AUTO_THREADS)) {
+ case AV_CODEC_CAP_FRAME_THREADS |
+ AV_CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break;
+ case AV_CODEC_CAP_FRAME_THREADS: printf("frame"); break;
+ case AV_CODEC_CAP_SLICE_THREADS: printf("slice"); break;
+ case AV_CODEC_CAP_AUTO_THREADS : printf("auto"); break;
+ default: printf("none"); 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 AVPixelFormat, "pixel formats",
+ AV_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);
+ }
+}
+
+static char get_media_type_char(enum AVMediaType type)
+{
+ 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 '?';
+ }
+}
+
+static const AVCodec *next_codec_for_id(enum AVCodecID id, const AVCodec *prev,
+ int encoder)
+{
+ 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;
+}
+
+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 ? FFDIFFSIGN((*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;
+
+ printf(" (%s: ", encoder ? "encoders" : "decoders");
+
+ while ((codec = next_codec_for_id(id, codec, encoder)))
+ printf("%s ", codec->name);
+
+ printf(")");
+}
+
+int show_codecs(void *optctx, const char *opt, const char *arg)
+{
+ const AVCodecDescriptor **codecs;
+ unsigned i, nb_codecs = get_codecs_sorted(&codecs);
+
+ printf("Codecs:\n"
+ " 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");
+ 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("%c", get_media_type_char(desc->type));
+ printf((desc->props & AV_CODEC_PROP_INTRA_ONLY) ? "I" : ".");
+ printf((desc->props & AV_CODEC_PROP_LOSSY) ? "L" : ".");
+ printf((desc->props & AV_CODEC_PROP_LOSSLESS) ? "S" : ".");
+
+ 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;
+ }
+ }
+ 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;
+ }
+ }
+
+ printf("\n");
+ }
+ av_free(codecs);
+ return 0;
+}
+
+static void print_codecs(int encoder)
+{
+ 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"
+ " ....B. = Supports draw_horiz_band\n"
+ " .....D = Supports direct rendering method 1\n"
+ " ------\n",
+ encoder ? "Encoders" : "Decoders");
+ 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((codec->capabilities & AV_CODEC_CAP_FRAME_THREADS) ? "F" : ".");
+ printf((codec->capabilities & AV_CODEC_CAP_SLICE_THREADS) ? "S" : ".");
+ printf((codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) ? "X" : ".");
+ printf((codec->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND)?"B" : ".");
+ printf((codec->capabilities & AV_CODEC_CAP_DR1) ? "D" : ".");
+
+ printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : "");
+ if (strcmp(codec->name, desc->name))
+ printf(" (codec %s)", desc->name);
+
+ printf("\n");
+ }
+ }
+ av_free(codecs);
+}
+
+int show_decoders(void *optctx, const char *opt, const char *arg)
+{
+ print_codecs(0);
+ return 0;
+}
+
+int show_encoders(void *optctx, const char *opt, const char *arg)
+{
+ print_codecs(1);
+ return 0;
+}
+
+int show_bsfs(void *optctx, const char *opt, const char *arg)
+{
+ const AVBitStreamFilter *bsf = NULL;
+ void *opaque = NULL;
+
+ printf("Bitstream filters:\n");
+ while ((bsf = av_bsf_next(&opaque)))
+ printf("%s\n", bsf->name);
+ printf("\n");
+ return 0;
+}
+
+int show_protocols(void *optctx, const char *opt, const char *arg)
+{
+ void *opaque = NULL;
+ const char *name;
+
+ printf("Supported file protocols:\n"
+ "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);
+ return 0;
+}
+
+int show_filters(void *optctx, const char *opt, const char *arg)
+{
+#if CONFIG_AVFILTER
+ const AVFilter *filter = NULL;
+ char descr[64], *descr_cur;
+ int i, j;
+ const AVFilterPad *pad;
+
+ printf("Filters:\n"
+ " T.. = Timeline support\n"
+ " .S. = Slice threading\n"
+ " ..C = Command 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 && avfilter_pad_get_name(pad, j); j++) {
+ if (descr_cur >= descr + sizeof(descr) - 4)
+ break;
+ *(descr_cur++) = get_media_type_char(avfilter_pad_get_type(pad, j));
+ }
+ 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 %-17s %-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;
+
+ 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");
+
+#if !CONFIG_SWSCALE
+# define sws_isSupportedInput(x) 0
+# define sws_isSupportedOutput(x) 0
+#endif
+
+ while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) {
- enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
++ enum AVPixelFormat av_unused pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
+ printf("%c%c%c%c%c %-16s %d %2d\n",
+ sws_isSupportedInput (pix_fmt) ? 'I' : '.',
+ sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
+ pix_desc->flags & AV_PIX_FMT_FLAG_HWACCEL ? 'H' : '.',
+ pix_desc->flags & AV_PIX_FMT_FLAG_PAL ? 'P' : '.',
+ pix_desc->flags & AV_PIX_FMT_FLAG_BITSTREAM ? 'B' : '.',
+ pix_desc->name,
+ pix_desc->nb_components,
+ av_get_bits_per_pixel(pix_desc));
+ }
+ 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;
+ 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;
+}
+
+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) {
+ 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 FFmpeg.\n",
+ name);
+ }
+}
+
+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);
+}
+
+#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;
+
+ if (!name) {
+ av_log(NULL, AV_LOG_ERROR, "No filter name specified.\n");
+ return;
+ } else if (!f) {
+ av_log(NULL, AV_LOG_ERROR, "Unknown filter '%s'.\n", name);
+ return;
+ }
+
+ 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),
+ 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),
+ 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 | 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 show_help(void *optctx, const char *opt, const char *arg)
+{
+ char *topic, *par;
+ av_log_set_callback(log_callback_help);
+
+ topic = av_strdup(arg ? arg : "");
+ if (!topic)
+ return AVERROR(ENOMEM);
+ 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);
+ } else if (!strcmp(topic, "demuxer")) {
+ show_help_demuxer(par);
+ } else if (!strcmp(topic, "muxer")) {
+ show_help_muxer(par);
+#if CONFIG_AVFILTER
+ } else if (!strcmp(topic, "filter")) {
+ show_help_filter(par);
+#endif
+ } else {
+ show_help_default(topic, par);
+ }
+
+ av_freep(&topic);
+ return 0;
+}
+
+int read_yesno(void)
+{
+ int c = getchar();
+ int yesno = (av_toupper(c) == 'Y');
+
+ while (c != '\n' && c != EOF)
+ c = getchar();
+
+ return yesno;
+}
+
+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("FFMPEG_DATADIR"),
+ getenv("HOME"),
+ 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.ffpreset", base[i],
+ i != 1 ? "" : "/.ffmpeg", preset_name);
+ f = fopen(filename, "r");
+ if (!f && codec_name) {
+ snprintf(filename, filename_size,
+ "%s%s/%s-%s.ffpreset",
+ base[i], i != 1 ? "" : "/.ffmpeg", codec_name,
+ preset_name);
+ f = fopen(filename, "r");
+ }
+ }
+ }
+
+ return f;
+}
+
+int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
+{
+ 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,
+ AVFormatContext *s, AVStream *st, AVCodec *codec)
+{
+ AVDictionary *ret = NULL;
+ AVDictionaryEntry *t = NULL;
+ int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM
+ : AV_OPT_FLAG_DECODING_PARAM;
+ char prefix = 0;
+ const AVClass *cc = avcodec_get_class();
+
+ if (!codec)
+ codec = s->oformat ? avcodec_find_encoder(codec_id)
+ : avcodec_find_decoder(codec_id);
+
+ switch (st->codecpar->codec_type) {
+ 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;
+ }
+
+ while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) {
+ 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: exit_program(1);
+ }
+
+ if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) ||
+ !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);
+ 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);
+
+ if (p)
+ *p = ':';
+ }
+ return ret;
+}
+
+AVDictionary **setup_find_stream_info_opts(AVFormatContext *s,
+ AVDictionary *codec_opts)
+{
+ int i;
+ AVDictionary **opts;
+
+ if (!s->nb_streams)
+ return NULL;
+ 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 NULL;
+ }
+ for (i = 0; i < s->nb_streams; i++)
+ opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codecpar->codec_id,
+ s, s->streams[i], NULL);
+ return opts;
+}
+
+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(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;
+}
+
+double get_rotation(AVStream *st)
+{
+ uint8_t* displaymatrix = av_stream_get_side_data(st,
+ AV_PKT_DATA_DISPLAYMATRIX, NULL);
+ double theta = 0;
+ if (displaymatrix)
+ theta = -av_display_rotation_get((int32_t*) displaymatrix);
+
+ theta -= 360*floor(theta/360 + 0.9/360);
+
+ if (fabs(theta - 90*round(theta/90)) > 2)
+ av_log(NULL, AV_LOG_WARNING, "Odd rotation angle.\n"
+ "If you want to help, upload a sample "
+ "of this file to ftp://upload.ffmpeg.org/incoming/ "
+ "and contact the ffmpeg-devel mailing list. (ffmpeg-devel at ffmpeg.org)");
+
+ return theta;
+}
+
+#if CONFIG_AVDEVICE
+static int print_device_sources(AVInputFormat *fmt, AVDictionary *opts)
+{
+ int ret, i;
+ AVDeviceInfoList *device_list = NULL;
+
+ if (!fmt || !fmt->priv_class || !AV_IS_INPUT_DEVICE(fmt->priv_class->category))
+ return AVERROR(EINVAL);
+
+ printf("Auto-detected sources for %s:\n", fmt->name);
+ if (!fmt->get_device_list) {
+ ret = AVERROR(ENOSYS);
+ printf("Cannot list sources. Not implemented.\n");
+ goto fail;
+ }
+
+ if ((ret = avdevice_list_input_sources(fmt, NULL, opts, &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:
+ avdevice_free_list_devices(&device_list);
+ return ret;
+}
+
+static int print_device_sinks(AVOutputFormat *fmt, AVDictionary *opts)
+{
+ int ret, i;
+ AVDeviceInfoList *device_list = NULL;
+
+ if (!fmt || !fmt->priv_class || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category))
+ return AVERROR(EINVAL);
+
+ printf("Auto-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 = avdevice_list_output_sinks(fmt, NULL, opts, &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:
+ avdevice_free_list_devices(&device_list);
+ 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 && !av_match_name(dev, fmt->name))
+ continue;
+ print_device_sources(fmt, opts);
+ }
+ } while (fmt);
+ do {
+ fmt = av_input_video_device_next(fmt);
+ if (fmt) {
+ if (dev && !av_match_name(dev, fmt->name))
+ 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 && !av_match_name(dev, fmt->name))
+ continue;
+ print_device_sinks(fmt, opts);
+ }
+ } while (fmt);
+ do {
+ fmt = av_output_video_device_next(fmt);
+ if (fmt) {
+ if (dev && !av_match_name(dev, fmt->name))
+ 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
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