1. ffmpeg
  2. Commit f97905e61d7cb86987d7d4f5fabcfc0d6b57ddbb
Browse code

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.

Stefano Sabatini authored on 2011/05/02 19:35:39
Showing 1 changed files
libavfilter/vf_scale.c
History View file @ f97905e
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@@ -214,14 +214,18 @@ static int config_props(AVFilterLink *outlink)
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     scale->input_is_pal = av_pix_fmt_descriptors[inlink->format].flags & PIX_FMT_PAL;
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-    if(scale->sws)
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+    if (scale->sws)
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         sws_freeContext(scale->sws);
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     scale->sws = sws_getContext(inlink ->w, inlink ->h, inlink ->format,
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                                 outlink->w, outlink->h, outlink->format,
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                                 scale->flags, NULL, NULL, NULL);
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+    if (scale->isws[0])
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+        sws_freeContext(scale->isws[0]);
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     scale->isws[0] = sws_getContext(inlink ->w, inlink ->h/2, inlink ->format,
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                                     outlink->w, outlink->h/2, outlink->format,
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                                     scale->flags, NULL, NULL, NULL);
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+    if (scale->isws[1])
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+        sws_freeContext(scale->isws[1]);
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     scale->isws[1] = sws_getContext(inlink ->w, inlink ->h/2, inlink ->format,
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                                     outlink->w, outlink->h/2, outlink->format,
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                                     scale->flags, NULL, NULL, NULL);