scale: fix leak occurring when a scale filter is reconfigured

This currently only occurrs in vsrc_buffer in case of mid-stream
size/format change.

Fix trac issue #124.
This commit is contained in:
Stefano Sabatini 2011-05-02 12:35:39 +02:00
parent 0f1ef8a316
commit f97905e61d

View File

@ -214,14 +214,18 @@ static int config_props(AVFilterLink *outlink)
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);