videomixer: if we're not linked downstream, we can do any format
Stupid me, assuming _get_allowed_caps() would actually return the pad templates if there was no peer.
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@ -391,6 +391,10 @@ gst_videomixer_pad_sink_getcaps (GstPad * pad)
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/* Get downstream allowed caps */
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res = gst_pad_get_allowed_caps (mix->srcpad);
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if (G_UNLIKELY (res == NULL)) {
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res = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
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goto beach;
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}
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GST_VIDEO_MIXER_STATE_LOCK (mix);
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