* Various utilities for command line tools
* Copyright (c) 2000-2003 Fabrice Bellard
*
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#define HAVE_AV_CONFIG_H
-#include "common.h"
-#include "avformat.h"
+#include <string.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 "libavformat/avformat.h"
+#ifdef CONFIG_AVFILTER
+#include "libavfilter/avfilter.h"
+#endif
+#include "libavdevice/avdevice.h"
+#include "libswscale/swscale.h"
+#ifdef CONFIG_POSTPROC
+#include "libpostproc/postprocess.h"
+#endif
+#include "libavutil/avstring.h"
+#include "libavcodec/opt.h"
#include "cmdutils.h"
+#include "version.h"
+#ifdef CONFIG_NETWORK
+#include "libavformat/network.h"
+#endif
+
+#undef exit
+
+const char **opt_names;
+static int opt_name_count;
+AVCodecContext *avctx_opts[CODEC_TYPE_NB];
+AVFormatContext *avformat_opts;
+struct SwsContext *sws_opts;
+
+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);
+}
+
+int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
+{
+ int64_t us = parse_date(timestr, is_duration);
+ if (us == INT64_MIN) {
+ fprintf(stderr, "Invalid %s specification for %s: %s\n",
+ is_duration ? "duration" : "date", context, timestr);
+ exit(1);
+ }
+ return us;
+}
void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
{
printf("%s", msg);
first = 0;
}
- strcpy(buf, po->name);
+ av_strlcpy(buf, po->name, sizeof(buf));
if (po->flags & HAS_ARG) {
- strcat(buf, " ");
- strcat(buf, po->argname);
+ av_strlcat(buf, " ", sizeof(buf));
+ av_strlcat(buf, po->argname, sizeof(buf));
}
printf("-%-17s %s\n", buf, po->help);
}
}
}
-void parse_options(int argc, char **argv, const OptionDef *options)
+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;
+ int optindex, handleoptions=1;
const OptionDef *po;
/* parse options */
optindex = 1;
while (optindex < argc) {
opt = argv[optindex++];
-
- if (opt[0] == '-' && opt[1] != '\0') {
- po = options;
- while (po->name != NULL) {
- if (!strcmp(opt + 1, po->name))
- break;
- po++;
+
+ 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);
}
*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, -1.0/0.0, 1.0/0.0);
+ } else if (po->flags & OPT_FUNC2) {
+ if(po->u.func2_arg(opt+1, arg)<0)
+ goto unknown_opt;
} else {
- po->u.func_arg(arg);
+ po->u.func_arg(arg);
}
+ if(po->flags & OPT_EXIT)
+ exit(0);
} else {
- parse_arg_file(opt);
+ if (parse_arg_function)
+ parse_arg_function(opt);
}
}
}
+int opt_default(const char *opt, const char *arg){
+ int type;
+ int ret= 0;
+ const AVOption *o= NULL;
+ int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
+
+ for(type=0; type<CODEC_TYPE_NB && ret>= 0; type++){
+ const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
+ if(o2)
+ ret = av_set_string3(avctx_opts[type], opt, arg, 1, &o);
+ }
+ if(!o)
+ ret = av_set_string3(avformat_opts, opt, arg, 1, &o);
+ if(!o)
+ ret = av_set_string3(sws_opts, opt, arg, 1, &o);
+ if(!o){
+ if(opt[0] == 'a')
+ ret = av_set_string3(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1, &o);
+ else if(opt[0] == 'v')
+ ret = av_set_string3(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1, &o);
+ else if(opt[0] == 's')
+ ret = av_set_string3(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1, &o);
+ }
+ if (o && ret < 0) {
+ fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt);
+ exit(1);
+ }
+ if(!o)
+ return -1;
+
+// av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
+
+ //FIXME we should always use avctx_opts, ... for storing options so there will not be any need to keep track of what i set over this
+ opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
+ opt_names[opt_name_count++]= o->name;
+
+ if(avctx_opts[0]->debug || avformat_opts->debug)
+ av_log_set_level(AV_LOG_DEBUG);
+ return 0;
+}
+
+void set_context_opts(void *ctx, void *opts_ctx, int flags)
+{
+ int i;
+ for(i=0; i<opt_name_count; i++){
+ char buf[256];
+ const AVOption *opt;
+ const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
+ /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
+ if(str && ((opt->flags & flags) == flags))
+ av_set_string3(ctx, opt_names[i], str, 1, NULL);
+ }
+}
+
void print_error(const char *filename, int err)
{
switch(err) {
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",
+ " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
filename);
break;
case AVERROR_INVALIDDATA:
case AVERROR_NOFMT:
fprintf(stderr, "%s: Unknown format\n", filename);
break;
+ case AVERROR(EIO):
+ fprintf(stderr, "%s: I/O error occurred\n"
+ "Usually that means that input file is truncated and/or corrupted.\n",
+ filename);
+ break;
+ case AVERROR(ENOMEM):
+ fprintf(stderr, "%s: memory allocation error occurred\n", filename);
+ break;
+ case AVERROR(ENOENT):
+ fprintf(stderr, "%s: no such file or directory\n", filename);
+ break;
+#ifdef CONFIG_NETWORK
+ case AVERROR(FF_NETERROR(EPROTONOSUPPORT)):
+ fprintf(stderr, "%s: Unsupported network protocol\n", filename);
+ break;
+#endif
default:
fprintf(stderr, "%s: Error while opening file\n", filename);
break;
}
}
+
+#define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \
+ version= libname##_version(); \
+ fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", indent? " " : "", #libname, \
+ LIB##LIBNAME##_VERSION_MAJOR, LIB##LIBNAME##_VERSION_MINOR, LIB##LIBNAME##_VERSION_MICRO, \
+ version >> 16, version >> 8 & 0xff, version & 0xff);
+
+static void print_all_lib_versions(FILE* outstream, int indent)
+{
+ unsigned int version;
+ PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent);
+ PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent);
+ PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent);
+ PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent);
+#ifdef CONFIG_AVFILTER
+ PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
+#endif
+#ifdef CONFIG_SWSCALE
+ PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
+#endif
+#ifdef CONFIG_POSTPROC
+ PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
+#endif
+}
+
+void show_banner(void)
+{
+ fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-2009 Fabrice Bellard, et al.\n",
+ program_name, program_birth_year);
+ fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
+ print_all_lib_versions(stderr, 1);
+ 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(void) {
+ printf("%s " FFMPEG_VERSION "\n", program_name);
+ print_all_lib_versions(stdout, 0);
+}
+
+void show_license(void)
+{
+#ifdef CONFIG_NONFREE
+ printf(
+ "This version of %s has nonfree parts compiled in.\n"
+ "Therefore it is not legally redistributable.\n",
+ 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
+ );
+#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
+}
+
+void show_formats(void)
+{
+ AVInputFormat *ifmt=NULL;
+ AVOutputFormat *ofmt=NULL;
+ URLProtocol *up=NULL;
+ AVCodec *p=NULL, *p2;
+ AVBitStreamFilter *bsf=NULL;
+ const char *last_name;
+
+ printf("File formats:\n");
+ last_name= "000";
+ for(;;){
+ int decode=0;
+ int encode=0;
+ const char *name=NULL;
+ const char *long_name=NULL;
+
+ while((ofmt= av_oformat_next(ofmt))) {
+ if((name == NULL || strcmp(ofmt->name, name)<0) &&
+ strcmp(ofmt->name, last_name)>0){
+ name= ofmt->name;
+ long_name= ofmt->long_name;
+ encode=1;
+ }
+ }
+ while((ifmt= av_iformat_next(ifmt))) {
+ if((name == NULL || strcmp(ifmt->name, name)<0) &&
+ strcmp(ifmt->name, last_name)>0){
+ name= ifmt->name;
+ long_name= ifmt->long_name;
+ encode=0;
+ }
+ if(name && strcmp(ifmt->name, name)==0)
+ decode=1;
+ }
+ if(name==NULL)
+ break;
+ last_name= name;
+
+ printf(
+ " %s%s %-15s %s\n",
+ decode ? "D":" ",
+ encode ? "E":" ",
+ name,
+ long_name ? long_name:" ");
+ }
+ printf("\n");
+
+ printf("Codecs:\n");
+ last_name= "000";
+ for(;;){
+ int decode=0;
+ int encode=0;
+ int cap=0;
+ const char *type_str;
+
+ p2=NULL;
+ while((p= av_codec_next(p))) {
+ if((p2==NULL || strcmp(p->name, p2->name)<0) &&
+ strcmp(p->name, last_name)>0){
+ p2= p;
+ decode= encode= cap=0;
+ }
+ if(p2 && strcmp(p->name, p2->name)==0){
+ if(p->decode) decode=1;
+ if(p->encode) encode=1;
+ cap |= p->capabilities;
+ }
+ }
+ if(p2==NULL)
+ break;
+ last_name= p2->name;
+
+ switch(p2->type) {
+ case CODEC_TYPE_VIDEO:
+ type_str = "V";
+ break;
+ case CODEC_TYPE_AUDIO:
+ type_str = "A";
+ break;
+ case CODEC_TYPE_SUBTITLE:
+ type_str = "S";
+ break;
+ default:
+ type_str = "?";
+ break;
+ }
+ printf(
+ " %s%s%s%s%s%s %-15s %s",
+ decode ? "D": (/*p2->decoder ? "d":*/" "),
+ encode ? "E":" ",
+ type_str,
+ cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
+ cap & CODEC_CAP_DR1 ? "D":" ",
+ cap & CODEC_CAP_TRUNCATED ? "T":" ",
+ p2->name,
+ p2->long_name ? p2->long_name : "");
+ /* if(p2->decoder && decode==0)
+ printf(" use %s for decoding", p2->decoder->name);*/
+ printf("\n");
+ }
+ printf("\n");
+
+ printf("Bitstream filters:\n");
+ while((bsf = av_bitstream_filter_next(bsf)))
+ printf(" %s", bsf->name);
+ printf("\n");
+
+ printf("Supported file protocols:\n");
+ while((up = av_protocol_next(up)))
+ printf(" %s:", up->name);
+ printf("\n");
+
+ printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
+ printf("\n");
+ printf(
+"Note, the names of encoders and decoders do not always match, so there are\n"
+"several cases where the above table shows encoder only or decoder only entries\n"
+"even though both encoding and decoding are supported. For example, the h263\n"
+"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
+"worse.\n");
+}