[gstreamer-bugs] [Bug 627704] New: add per frame metadata to qtmux
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Mon Aug 23 03:16:04 PDT 2010
https://bugzilla.gnome.org/show_bug.cgi?id=627704
GStreamer | gst-plugins-bad | 0.10.30
Summary: add per frame metadata to qtmux
Classification: Desktop
Product: GStreamer
Version: 0.10.30
OS/Version: Linux
Status: UNCONFIRMED
Severity: enhancement
Priority: Normal
Component: gst-plugins-bad
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: lists at svrinformatica.it
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME target: ---
GNOME version: ---
I think would be really useful to add per frame metadata (or a metadata every n
frame) at muxer level, for example on qtmux. This way we can do the following
usage:
1) save a video stream and when muxing add some metadata info (for example an
encryption key)
2) play the stream and verify this info (maybe post a message on the bus) so
the user can be notifyed if the video hasn't the expected key
actually gstreamer can do something like this using metadatamux, but this
element works only with jpeg and png image so require cpu intensive transcoding
if you have a stream different from mjpeg. Add this to a muxer such as qtmux
could give the same result without a cpu intensive transcoding and make the
metadata muxing much more general, what do you think about?
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