AVOptions: av_set_string3() allow NULL strings

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago · 3862ebba23
parent 007d352c1c
commit 3862ebba23
1 changed files with 1 additions and 1 deletions
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@ -119,7 +119,7 @@ int av_set_string3(void *obj, const char *name, const char *val, int alloc, cons
        *o_out = o;
    if (!o)
        return AVERROR_OPTION_NOT_FOUND;
-    if (!val || o->offset<=0)
+    if ((!val && o->type != FF_OPT_TYPE_STRING) || o->offset<=0)
        return AVERROR(EINVAL);

    if (o->type == FF_OPT_TYPE_BINARY) {