gstreamer 1.2.4

Closes #28635.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
gst-plugins-base 1.2.4

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
gst-plugins-good 1.2.4

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
gst-plugins-bad 1.2.4

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
gst-plugins-ugly 1.2.4

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
gst-libav 1.2.4

Signed-off-by: Jack Nagel <jacknagel@gmail.com>