scale->input_is_pal = av_pix_fmt_descriptors[inlink->format].flags & PIX_FMT_PAL;
- if(scale->sws)
+ if (scale->sws)
sws_freeContext(scale->sws);
scale->sws = sws_getContext(inlink ->w, inlink ->h, inlink ->format,
outlink->w, outlink->h, outlink->format,
scale->flags, NULL, NULL, NULL);
+ if (scale->isws[0])
+ sws_freeContext(scale->isws[0]);
scale->isws[0] = sws_getContext(inlink ->w, inlink ->h/2, inlink ->format,
outlink->w, outlink->h/2, outlink->format,
scale->flags, NULL, NULL, NULL);
+ if (scale->isws[1])
+ sws_freeContext(scale->isws[1]);
scale->isws[1] = sws_getContext(inlink ->w, inlink ->h/2, inlink ->format,
outlink->w, outlink->h/2, outlink->format,
scale->flags, NULL, NULL, NULL);