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vp9alphadecodebin: Fix auto-pluging v4l2slvp9dec

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This adds the alignment field to the template caps. Without this field
set, the auto-plugger will see fixed caps and will use
gst_caps_is_subset() against the caps produced by the parser. This is a
challenge for all cases where a parser can do conversion. This is fixed
by adding alignment field, which makes the auto-pluggers do an
intersection of the caps as it gets unfixed caps after intersection now.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1439>
This commit is contained in:
Nicolas Dufresne 2021-12-10 14:04:40 -05:00 committed by GStreamer Marge Bot
parent 6d67b43352
commit 91b7a9497b
1 changed files with 2 additions and 1 deletions
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3
subprojects/gst-plugins-bad/gst/codecalpha/gstvp9alphadecodebin.c
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@ -36,7 +36,8 @@
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-vp9, codec-alpha = (boolean) true")
GST_STATIC_CAPS ("video/x-vp9, codec-alpha = (boolean) true, "
"alignment = super-frame")
);
struct _GstVp9AlphaDecodeBin