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b6cd8593b3
config.h so that compilation without HAVE_AV_CONFIG_H fails. patch by Ronald S. Bultje, rsbultje gmail com Originally committed as revision 10619 to svn://svn.ffmpeg.org/ffmpeg/trunk
218 lines
7.5 KiB
C
218 lines
7.5 KiB
C
/*
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* Various utilities for command line tools
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* Copyright (c) 2000-2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "avformat.h"
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#include "cmdutils.h"
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#include "avstring.h"
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#include "version.h"
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#include "config.h"
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#undef exit
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void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
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{
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const OptionDef *po;
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int first;
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first = 1;
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for(po = options; po->name != NULL; po++) {
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char buf[64];
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if ((po->flags & mask) == value) {
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if (first) {
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printf("%s", msg);
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first = 0;
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}
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av_strlcpy(buf, po->name, sizeof(buf));
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if (po->flags & HAS_ARG) {
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av_strlcat(buf, " ", sizeof(buf));
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av_strlcat(buf, po->argname, sizeof(buf));
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}
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printf("-%-17s %s\n", buf, po->help);
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}
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}
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}
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static const OptionDef* find_option(const OptionDef *po, const char *name){
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while (po->name != NULL) {
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if (!strcmp(name, po->name))
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break;
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po++;
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}
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return po;
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}
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void parse_options(int argc, char **argv, const OptionDef *options,
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void (* parse_arg_function)(const char*))
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{
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const char *opt, *arg;
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int optindex, handleoptions=1;
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const OptionDef *po;
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/* parse options */
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optindex = 1;
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while (optindex < argc) {
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opt = argv[optindex++];
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if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
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if (opt[1] == '-' && opt[2] == '\0') {
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handleoptions = 0;
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continue;
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}
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po= find_option(options, opt + 1);
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if (!po->name)
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po= find_option(options, "default");
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if (!po->name) {
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unknown_opt:
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fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
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exit(1);
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}
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arg = NULL;
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if (po->flags & HAS_ARG) {
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arg = argv[optindex++];
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if (!arg) {
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fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
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exit(1);
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}
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}
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if (po->flags & OPT_STRING) {
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char *str;
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str = av_strdup(arg);
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*po->u.str_arg = str;
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} else if (po->flags & OPT_BOOL) {
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*po->u.int_arg = 1;
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} else if (po->flags & OPT_INT) {
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*po->u.int_arg = atoi(arg);
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} else if (po->flags & OPT_INT64) {
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*po->u.int64_arg = strtoll(arg, (char **)NULL, 10);
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} else if (po->flags & OPT_FLOAT) {
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*po->u.float_arg = atof(arg);
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} else if (po->flags & OPT_FUNC2) {
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if(po->u.func2_arg(opt+1, arg)<0)
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goto unknown_opt;
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} else {
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po->u.func_arg(arg);
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}
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} else {
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if (parse_arg_function)
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parse_arg_function(opt);
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}
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}
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}
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void print_error(const char *filename, int err)
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{
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switch(err) {
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case AVERROR_NUMEXPECTED:
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fprintf(stderr, "%s: Incorrect image filename syntax.\n"
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"Use '%%d' to specify the image number:\n"
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" for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
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" for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
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filename);
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break;
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case AVERROR_INVALIDDATA:
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fprintf(stderr, "%s: Error while parsing header\n", filename);
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break;
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case AVERROR_NOFMT:
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fprintf(stderr, "%s: Unknown format\n", filename);
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break;
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case AVERROR(EIO):
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fprintf(stderr, "%s: I/O error occured\n"
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"Usually that means that input file is truncated and/or corrupted.\n",
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filename);
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break;
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case AVERROR(ENOMEM):
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fprintf(stderr, "%s: memory allocation error occured\n", filename);
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break;
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case AVERROR(ENOENT):
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fprintf(stderr, "%s: no such file or directory\n", filename);
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break;
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default:
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fprintf(stderr, "%s: Error while opening file\n", filename);
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break;
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}
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}
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void show_banner(const char *program_name, int program_birth_year)
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{
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fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-2007 Fabrice Bellard, et al.\n",
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program_name, program_birth_year);
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fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
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fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
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fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
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fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
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fprintf(stderr, " built on " __DATE__ " " __TIME__);
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#ifdef __GNUC__
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fprintf(stderr, ", gcc: " __VERSION__ "\n");
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#else
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fprintf(stderr, ", using a non-gcc compiler\n");
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#endif
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}
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void show_version(const char *program_name) {
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/* TODO: add function interface to avutil and avformat */
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printf("%s " FFMPEG_VERSION "\n", program_name);
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printf("libavutil %d\n"
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"libavcodec %d\n"
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"libavformat %d\n",
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LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
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}
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void show_license(void)
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{
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#ifdef CONFIG_GPL
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printf(
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"FFmpeg is free software; you can redistribute it and/or modify\n"
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"it under the terms of the GNU General Public License as published by\n"
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"the Free Software Foundation; either version 2 of the License, or\n"
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"(at your option) any later version.\n"
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"\n"
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"FFmpeg is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
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"GNU General Public License for more details.\n"
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"\n"
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"You should have received a copy of the GNU General Public License\n"
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"along with FFmpeg; if not, write to the Free Software\n"
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"Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
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);
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#else
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printf(
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"FFmpeg is free software; you can redistribute it and/or\n"
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"modify it under the terms of the GNU Lesser General Public\n"
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"License as published by the Free Software Foundation; either\n"
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"version 2.1 of the License, or (at your option) any later version.\n"
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"\n"
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"FFmpeg is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
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"Lesser General Public License for more details.\n"
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"\n"
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"You should have received a copy of the GNU Lesser General Public\n"
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"License along with FFmpeg; if not, write to the Free Software\n"
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"Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
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);
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#endif
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}
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