+ * sdl_image: SDL-based image decoder
+ * seamcarving: Seam Carving for Content-Aware Image Resizing video filter
+ * sharpen: Sharpen video filter
+ * shout: Shoutcast services discovery
+ * showintf: shows the main interface
+ * simple_channel_mixer: channel mixer
+ * skins2: Skinnable interface, new generation
+ * smf: Standard MIDI file demuxer
+ * snapshot: a output module to save pictures from the vout.
+ * spatializer: A spatializer audio filter