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videoscale: Don't call NULL GstMeta transform function

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It's optional and if it does not exist then no transformation is
possible.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/790>
This commit is contained in:
Sebastian Dröge 2020-08-18 10:26:48 +03:00
parent 1ce61b1b08
commit 39dbbf1369
1 changed files with 3 additions and 1 deletions
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4
gst/videoscale/gstvideoscale.c
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@ -543,7 +543,9 @@ gst_video_scale_transform_meta (GstBaseTransform * trans, GstBuffer * inbuf,
GstVideoMetaTransform trans =
{ &videofilter->in_info, &videofilter->out_info };
return info->transform_func (outbuf, meta, inbuf, _scale_quark, &trans);
if (info->transform_func)
return info->transform_func (outbuf, meta, inbuf, _scale_quark, &trans);
return FALSE;
}
/* No need to transform, we can safely copy this meta */