[Bug 773593] New: plugins: ensure display when getting raw caps
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Thu Oct 27 16:17:04 UTC 2016
https://bugzilla.gnome.org/show_bug.cgi?id=773593
Bug ID: 773593
Summary: plugins: ensure display when getting raw caps
Classification: Platform
Product: GStreamer
Version: unspecified
OS: All
Status: NEW
Severity: normal
Priority: Normal
Component: gstreamer-vaapi
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: vjaquez at igalia.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
CC: bsreerenj at gmail.com, vjaquez at igalia.com
GNOME version: ---
When running gst-discoverer-1.0, in certain media, vaapipostroc is stopped
meanwhile it is transforming caps. The problem is stop() calls
gst_vaapi_plugin_base_close(), which nullifies the element's va display, but
the va display is used in tranform_caps() when it is extracting the possible
format conversions. This display disappearing generates warning messages.
This patch holds a local reference of va display at ensure_allowed_raw_caps()
hence it doesn't go away meanwhile it is used, even if the
gst_vaapi_plugin_base_close() is called in other thread.
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