[gstreamer-bugs] [Bug 560302] New: Add GST_TAG_MERGE_REMOVE
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Tue Nov 11 01:28:56 PST 2008
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GStreamer | gstreamer (core) | Ver: HEAD CVS
Summary: Add GST_TAG_MERGE_REMOVE
Product: GStreamer
Version: HEAD CVS
Platform: Other
OS/Version: Linux
Status: UNCONFIRMED
Severity: enhancement
Priority: Normal
Component: gstreamer (core)
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: ensonic at sonicpulse.de
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME version: Unspecified
GNOME milestone: Unspecified
The usecase is that one wants to implement a e.g. privacy filter and strip
certain tags. A pipeline would be something like
filesrc ! demuxer ! queue ! muxer ! filesink
Right now one would need to listen to GST_MESSAGE_TAG, filter the list manually
and then call
gst_tag_setter_merge_tags(setter, filteed_tags,GST_TAG_MERGE_REPLACE_ALL);
I propose adding GST_TAG_MERGE_REMOVE with the following semantics:
merge mode A + B A + !B !A + B !A + !B
REPLACE - A - -
This way one can do:
gst_tag_setter_add_tags (setter, GST_TAG_MERGE_REMOVE,
GST_TAG_TITLE,NULL,
GST_TAG_DURATION, GST_CLOCK_TIME_NONE,
NULL);
Basically the values don't matter.
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