Add video output that dumps raw YUV frames in a file, with YUV4MPEG2...

Add video output that dumps raw YUV frames in a file, with YUV4MPEG2 compatible header as used by mplayers yuv4mpeg video ouput module.

configure.ac

@@ -1153,6 +1153,7 @@ VLC_ADD_PLUGIN([magnify])
 VLC_ADD_PLUGIN([puzzle])
 VLC_ADD_PLUGIN([colorthres])
 VLC_ADD_PLUGIN([scene])
+VLC_ADD_PLUGIN([yuv])
 dnl Meta demuxers:
 VLC_ADD_PLUGIN([playlist])
 VLC_ADD_PLUGIN([export])

modules/video_output/Modules.am

@@ -18,4 +18,6 @@ SOURCES_opengllayer = opengllayer.m
 SOURCES_image = image.c
 SOURCES_directfb = directfb.c
 SOURCES_vmem = vmem.c
+SOURCES_yuv = yuv.c
+