orc: Updated to version 0.4.21
gstreamer: Updated to version 1.2.4
gst-plugins-base: Updated to version 1.2.4
gst-libav: Updated to version 1.2.4
gst-plugins-bad: Updated to version 1.2.4
gst-plugins-good: Updated to version 1.2.4

Added --disable-gst-v4l2 flag