avutil/opt: set_string_number(): remove unneeded copy

also remove unused variables

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Muhammad Faiz 2014-07-21 23:39:43 -07:00 committed by Michael Niedermayer
parent ca6b33b8bd
commit 4852a88dfb

View File

@ -191,22 +191,20 @@ static int set_string_number(void *obj, void *target_obj, const AVOption *o, con
}
for (;;) {
int i, den = 1;
int i = 0;
char buf[256];
int cmd = 0;
double d, num = 1;
double d;
int64_t intnum = 1;
i = 0;
if (*val == '+' || *val == '-') {
if (o->type == AV_OPT_TYPE_FLAGS)
if (o->type == AV_OPT_TYPE_FLAGS) {
if (*val == '+' || *val == '-')
cmd = *(val++);
for (; i < sizeof(buf) - 1 && val[i] && val[i] != '+' && val[i] != '-'; i++)
buf[i] = val[i];
buf[i] = 0;
}
for (; i < sizeof(buf) - 1 && val[i] && (o->type != AV_OPT_TYPE_FLAGS || val[i] != '+' && val[i] != '-'); i++)
buf[i] = val[i];
buf[i] = 0;
{
const AVOption *o_named;
int res;
@ -241,7 +239,8 @@ static int set_string_number(void *obj, void *target_obj, const AVOption *o, con
const_names [ci] = NULL;
const_values[ci] = 0;
res = av_expr_parse_and_eval(&d, buf, const_names, const_values, NULL, NULL, NULL, NULL, NULL, 0, obj);
res = av_expr_parse_and_eval(&d, (o->type == AV_OPT_TYPE_FLAGS) ? buf : val, const_names,
const_values, NULL, NULL, NULL, NULL, NULL, 0, obj);
if (res < 0) {
av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\"\n", val);
return res;
@ -256,7 +255,7 @@ static int set_string_number(void *obj, void *target_obj, const AVOption *o, con
if ((ret = write_number(obj, o, dst, d, 1, 1)) < 0)
return ret;
val += i;
if (!*val)
if (o->type != AV_OPT_TYPE_FLAGS || !*val)
return 0;
}