audiovisualizer: Only fixate pixel-aspect-ratio if the field exists
It's optional.
diff --git a/gst-libs/gst/pbutils/gstaudiovisualizer.c b/gst-libs/gst/pbutils/gstaudiovisualizer.c
index d339d66..f894407 100644
--- a/gst-libs/gst/pbutils/gstaudiovisualizer.c
+++ b/gst-libs/gst/pbutils/gstaudiovisualizer.c
@@ -811,8 +811,9 @@
gst_structure_fixate_field_nearest_int (structure, "width", 320);
gst_structure_fixate_field_nearest_int (structure, "height", 200);
gst_structure_fixate_field_nearest_fraction (structure, "framerate", 25, 1);
- gst_structure_fixate_field_nearest_fraction (structure, "pixel-aspect-ratio",
- 1, 1);
+ if (gst_structure_has_field (structure, "pixel-aspect-ratio"))
+ gst_structure_fixate_field_nearest_fraction (structure,
+ "pixel-aspect-ratio", 1, 1);
target = gst_caps_fixate (target);