Thanks, jb. This is fixed now.
On Sun, Jan 10, 2016 at 11:17 AM jb <j...@kdenlive.org> wrote:
> Hi,
>
> Following a bug report, I just noticed we can crash MLT by simply passing
> an
> invalid transition track. Of course we are not supposed to provide invalid
> data, but I guess it would be better if MLT didn't crash on this:
>
> melt color:red -track color:blue -transition affine a_track=-1 b_track=1
>
> This is caused in mlt_transition.c, line 446:
>
> // Get all frames between a and b
> for( i = a_track; i <= b_track; i ++ )
> mlt_service_get_frame( self->producer, &self->frames[ i ], i );
>
> No check is done for valid a_track or b_track values.
> A simple check before can fix the issue, like:
>
> if (a_track < 0)
> a_track = 0;
> if (b_track < 0)
> b_track = 0;
>
> But not sure how (and if) you want to handle it.
>
> Best regards,
>
> jb
>
>
>
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