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Add support to an option -f which forces the format to use for opening

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the probed multimedia resource.

Originally committed as revision 21944 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-02-21 18:33:24 +00:00
parent 4fe3edaadf
commit 1be784a2cf
2 changed files with 16 additions and 1 deletions
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4
doc/ffprobe-doc.texi
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@ -65,6 +65,10 @@ ffprobe [options] [@file{input_file}]
@section Main options
@table @option
@item -f @var{format}
Force format to use.
@item -unit
Show the unit of the displayed values.

13
ffprobe.c
View File

@ -42,6 +42,7 @@ static const OptionDef options[];
/* FFprobe context */
static const char *input_filename;
static AVInputFormat *iformat = NULL;
static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
@ -221,7 +222,7 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
fmt_ctx = avformat_alloc_context();
if ((err = av_open_input_file(&fmt_ctx, filename, NULL, 0, NULL)) < 0) {
if ((err = av_open_input_file(&fmt_ctx, filename, iformat, 0, NULL)) < 0) {
print_error(filename, err);
return err;
}
@ -278,6 +279,15 @@ static void show_usage(void)
printf("\n");
}
static void opt_format(const char *arg)
{
iformat = av_find_input_format(arg);
if (!iformat) {
fprintf(stderr, "Unknown input format: %s\n", arg);
exit(1);
}
}
static void opt_input_file(const char *filename)
{
if (!strcmp(filename, "-"))
@ -302,6 +312,7 @@ static void opt_pretty(void)
static const OptionDef options[] = {
#include "cmdutils_common_opts.h"
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
{ "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
{ "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
{ "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},