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glupload: fix transform_caps NULL pointer dereference

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gst_gl_upload_transform_caps() is missing a NULL pointer check in case
the current upload method's transform_caps returns a NULL pointer. In
the following loop over all upload methods, NULL pointer return values
are already handled correctly.
This commit is contained in:
Philipp Zabel 2020-02-24 16:38:56 +01:00 committed by Nicolas Dufresne
parent 7849f22cb3
commit dedd20f430
1 changed files with 12 additions and 9 deletions
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21
gst-libs/gst/gl/gstglupload.c
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@ -1797,16 +1797,19 @@ gst_gl_upload_transform_caps (GstGLUpload * upload, GstGLContext * context,
if (upload->priv->method) {
tmp = upload->priv->method->transform_caps (upload->priv->method_impl,
context, direction, caps);
if (filter) {
result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
} else {
result = tmp;
if (tmp) {
if (filter) {
result =
gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
} else {
result = tmp;
}
if (!gst_caps_is_empty (result))
return result;
else
gst_caps_unref (result);
}
if (!gst_caps_is_empty (result))
return result;
else
gst_caps_unref (result);
}
tmp = gst_caps_new_empty ();