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cmdutils: remove unnecessary OPT_DUMMY implementation

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The -i INPUT option can be implemented more cleanly by using a
function option, which can easily be done now that the
parse_arg_function passed to parse_options has a standard signature.
This commit is contained in:
Stefano Sabatini 2011-06-05 00:03:59 +02:00
parent 96f931adf7
commit b4af3cf347
3 changed files with 14 additions and 17 deletions
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2
cmdutils.c
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@ -273,8 +273,6 @@ unknown_opt:
*po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
} else if (po->flags & OPT_FLOAT) {
*po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);
} else if (po->flags & OPT_DUMMY) {
/* Do nothing for this option */
} else {
if (po->u.func_arg(opt, arg) < 0) {
fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt);

1
cmdutils.h
View File

@ -128,7 +128,6 @@ typedef struct {
#define OPT_INT64 0x0400
#define OPT_EXIT 0x0800
#define OPT_DATA 0x1000
#define OPT_DUMMY 0x2000
union {
int *int_arg;
char **str_arg;

28
ffplay.c
View File

@ -2916,6 +2916,19 @@ static int opt_show_mode(const char *opt, const char *arg)
return 0;
}
static int opt_input_file(const char *opt, const char *filename)
{
if (input_filename) {
fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
filename, input_filename);
exit(1);
}
if (!strcmp(filename, "-"))
filename = "pipe:";
input_filename = filename;
return 0;
}
static const OptionDef options[] = {
#include "cmdutils_common_opts.h"
{ "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
@ -2961,7 +2974,7 @@ static const OptionDef options[] = {
{ "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
{ "showmode", HAS_ARG, {(void*)opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },
{ "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
{ "i", OPT_DUMMY, {NULL}, "ffmpeg compatibility dummy option", ""},
{ "i", HAS_ARG, {(void *)opt_input_file}, "read specified file", "input_file"},
{ NULL, },
};
@ -3006,19 +3019,6 @@ static void show_help(void)
);
}
static int opt_input_file(const char *opt, const char *filename)
{
if (input_filename) {
fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
filename, input_filename);
exit(1);
}
if (!strcmp(filename, "-"))
filename = "pipe:";
input_filename = filename;
return 0;
}
/* Called from the main */
int main(int argc, char **argv)
{