[Bug 797016] New: Appsink: does not respect allocation query being serialized
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Thu Aug 23 08:33:46 UTC 2018
https://bugzilla.gnome.org/show_bug.cgi?id=797016
Bug ID: 797016
Summary: Appsink: does not respect allocation query being
serialized
Classification: Platform
Product: GStreamer
Version: git master
OS: All
Status: NEW
Severity: normal
Priority: Normal
Component: gst-plugins-base
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: patcherwork at gmail.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
Created attachment 373433
--> https://bugzilla.gnome.org/attachment.cgi?id=373433&action=edit
Demo of how allocation query handing is not being respected
The allocation query is serialized, which means that it should respect the flow
of data and follow after all buffers that have come before it. However, appsink
does not respect this. I have added a demo showing how this behavior breaks
v4l2src functionality. I have also added a simple patch for fixing the issue,
by calling the same code that GST_QUERY_DRAIN runs.
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