[FFmpeg-devel] [PATCH v3 1/2] lavfi/vf_scale: use default swscale flags for simple and complex filter graph

[Nicolas George]

Linjie Fu (12021-08-05):
> > > -    if (scale->flags_str) {
> > > +    if (*scale->flags_str) {
> > It could still be NULL, IIRC.
> sws_flags doesn't have a candidate for "" (NULL) [1].
> Hence NULL input for flags leads to a parsing issue:

It is not what I am talking about.

The application can set scale->flags to NULL. If it does,
*scale->flags_str crashes.

Regards,

-- 
  Nicolas George
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