Implement I420 and YV12 if the underlying implementation does not.
-rw-r--r-- 71 AUTHORS
-rw-r--r-- 17987 COPYING
-rw-r--r-- 274 Makefile.am
-rw-r--r-- 141 NEWS
-rw-r--r-- 379 README
-rwxr-xr-x 52 autogen.sh
-rw-r--r-- 5163 configure.ac
drwxr-xr-x - gst-libs
drwxr-xr-x - sys
drwxr-xr-x - tests