adding posterize video filter

Acked-by: Jean-Baptiste Kempf <jb@videolan.org>
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

NEWS

@@ -38,6 +38,7 @@ Audio Filter:
 Video Filter:
  * New gradfun filter for debanding videos using dithering
  * Rewrite of the grain filter, faster and with better quality
+ * New posterize filter for lowering the number of colors
 
 Stream output:
  * New livehttp-module for HTTP Live Streamin (iphone-stuff),

modules/LIST

@@ -232,6 +232,7 @@ $Id$
  * png: PNG images decoder
  * podcast: podcast feed parser
  * portaudio: audio output module that uses the portaudio library (www.portaudio.com)
+ * posterize: posterize video filter
  * postproc: Video post processing filter
  * projectm: visualisation using libprojectM
  * ps: input module for MPEG PS decapsulation

modules/video_filter/Modules.am

@@ -22,6 +22,7 @@ SOURCES_remoteosd = remoteosd.c remoteosd_rfbproto.h
 SOURCES_magnify = magnify.c
 SOURCES_wave = wave.c
 SOURCES_ripple = ripple.c
+SOURCES_posterize = posterize.c
 SOURCES_psychedelic = psychedelic.c
 SOURCES_gradient = gradient.c
 SOURCES_ball = ball.c
@@ -104,6 +105,7 @@ libvlc_LTLIBRARIES += \
 	libmotionblur_plugin.la \
 	libmotiondetect_plugin.la \
 	libnoise_plugin.la \
+	libposterize_plugin.la \
 	libpsychedelic_plugin.la \
 	libpuzzle_plugin.la \
 	libripple_plugin.la \

po/POTFILES.in

@@ -1113,6 +1113,7 @@ modules/video_filter/opencv_example.c
 modules/video_filter/opencv_wrapper.c
 modules/video_filter/osdmenu.c
 modules/video_filter/panoramix.c
+modules/video_filter/posterize.c
 modules/video_filter/postproc.c
 modules/video_filter/psychedelic.c
 modules/video_filter/puzzle.c