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-rw-r--r--contrib/ffmpeg/cmdutils.c248
1 files changed, 248 insertions, 0 deletions
diff --git a/contrib/ffmpeg/cmdutils.c b/contrib/ffmpeg/cmdutils.c
new file mode 100644
index 000000000..7acd61b14
--- /dev/null
+++ b/contrib/ffmpeg/cmdutils.c
@@ -0,0 +1,248 @@
+/*
+ * 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 <stdlib.h>
+#include <errno.h>
+#include <math.h>
+
+#include "avformat.h"
+#include "avfilter.h"
+#include "avdevice.h"
+#include "cmdutils.h"
+#include "avstring.h"
+#include "version.h"
+#include "config.h"
+
+#undef exit
+
+
+double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
+{
+ char *tail;
+ const char *error;
+ double d = 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
+ return d;
+ fprintf(stderr, error, context, numstr, min, max);
+ exit(1);
+}
+
+void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
+{
+ const OptionDef *po;
+ int first;
+
+ first = 1;
+ for(po = options; po->name != NULL; po++) {
+ char buf[64];
+ if ((po->flags & mask) == value) {
+ if (first) {
+ printf("%s", msg);
+ first = 0;
+ }
+ av_strlcpy(buf, po->name, sizeof(buf));
+ if (po->flags & HAS_ARG) {
+ av_strlcat(buf, " ", sizeof(buf));
+ av_strlcat(buf, po->argname, sizeof(buf));
+ }
+ printf("-%-17s %s\n", buf, po->help);
+ }
+ }
+}
+
+static const OptionDef* find_option(const OptionDef *po, const char *name){
+ while (po->name != NULL) {
+ if (!strcmp(name, po->name))
+ break;
+ po++;
+ }
+ return po;
+}
+
+void parse_options(int argc, char **argv, const OptionDef *options,
+ void (* parse_arg_function)(const char*))
+{
+ const char *opt, *arg;
+ int optindex, handleoptions=1;
+ const OptionDef *po;
+
+ /* 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;
+ }
+ po= find_option(options, opt + 1);
+ if (!po->name)
+ po= find_option(options, "default");
+ if (!po->name) {
+unknown_opt:
+ fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
+ exit(1);
+ }
+ arg = NULL;
+ if (po->flags & HAS_ARG) {
+ arg = argv[optindex++];
+ if (!arg) {
+ fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
+ exit(1);
+ }
+ }
+ if (po->flags & OPT_STRING) {
+ char *str;
+ str = av_strdup(arg);
+ *po->u.str_arg = str;
+ } else if (po->flags & OPT_BOOL) {
+ *po->u.int_arg = 1;
+ } else if (po->flags & OPT_INT) {
+ *po->u.int_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT_MIN, INT_MAX);
+ } else if (po->flags & OPT_INT64) {
+ *po->u.int64_arg = parse_number_or_die(opt+1, arg, OPT_INT64, INT64_MIN, INT64_MAX);
+ } else if (po->flags & OPT_FLOAT) {
+ *po->u.float_arg = parse_number_or_die(opt+1, arg, OPT_FLOAT, -INFINITY, INFINITY);
+ } else if (po->flags & OPT_FUNC2) {
+ if(po->u.func2_arg(opt+1, arg)<0)
+ goto unknown_opt;
+ } else {
+ po->u.func_arg(arg);
+ }
+ } else {
+ if (parse_arg_function)
+ parse_arg_function(opt);
+ }
+ }
+}
+
+void print_error(const char *filename, int err)
+{
+ switch(err) {
+ case AVERROR_NUMEXPECTED:
+ fprintf(stderr, "%s: Incorrect image filename syntax.\n"
+ "Use '%%d' to specify the image number:\n"
+ " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
+ " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
+ filename);
+ break;
+ case AVERROR_INVALIDDATA:
+ fprintf(stderr, "%s: Error while parsing header\n", filename);
+ break;
+ case AVERROR_NOFMT:
+ fprintf(stderr, "%s: Unknown format\n", filename);
+ break;
+ case AVERROR(EIO):
+ fprintf(stderr, "%s: I/O error occured\n"
+ "Usually that means that input file is truncated and/or corrupted.\n",
+ filename);
+ break;
+ case AVERROR(ENOMEM):
+ fprintf(stderr, "%s: memory allocation error occured\n", filename);
+ break;
+ case AVERROR(ENOENT):
+ fprintf(stderr, "%s: no such file or directory\n", filename);
+ break;
+ default:
+ fprintf(stderr, "%s: Error while opening file\n", filename);
+ break;
+ }
+}
+
+void show_banner(const char *program_name, int program_birth_year)
+{
+ fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-2008 Fabrice Bellard, et al.\n",
+ program_name, program_birth_year);
+ fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
+ fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
+ fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
+ fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
+ fprintf(stderr, " libavdevice version: " AV_STRINGIFY(LIBAVDEVICE_VERSION) "\n");
+#if ENABLE_AVFILTER
+ fprintf(stderr, " libavfilter version: " AV_STRINGIFY(LIBAVFILTER_VERSION) "\n");
+#endif
+ fprintf(stderr, " built on " __DATE__ " " __TIME__);
+#ifdef __GNUC__
+ fprintf(stderr, ", gcc: " __VERSION__ "\n");
+#else
+ fprintf(stderr, ", using a non-gcc compiler\n");
+#endif
+}
+
+void show_version(const char *program_name) {
+ /* TODO: add function interface to avutil and avformat avdevice*/
+ printf("%s " FFMPEG_VERSION "\n", program_name);
+ printf("libavutil %d\n"
+ "libavcodec %d\n"
+ "libavformat %d\n"
+ "libavdevice %d\n",
+ LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD, LIBAVDEVICE_BUILD);
+}
+
+void show_license(void)
+{
+#ifdef CONFIG_NONFREE
+ printf(
+ "This version of FFmpeg has nonfree parts compiled in.\n"
+ "Therefore it is not legally redistributable.\n"
+ );
+#elif CONFIG_GPL
+ printf(
+ "FFmpeg 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"
+ "FFmpeg 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 FFmpeg; if not, write to the Free Software\n"
+ "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
+ );
+#else
+ printf(
+ "FFmpeg 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"
+ "FFmpeg 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 FFmpeg; if not, write to the Free Software\n"
+ "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
+ );
+#endif
+}
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