demuxers = []
encoders = []
muxers = []
-all_demuxers = ["demuxer_avi", "demuxer_mov", "demuxer_wav"]
+all_demuxers = ["demuxer_avi", "demuxer_mov", "demuxer_wav", "demuxer_y4m"]
demuxer_avi = ["demuxers"]
demuxer_mov = ["demuxers"]
demuxer_wav = ["demuxers"]
+demuxer_y4m = ["demuxers"]
all_muxers = ["muxer_avi", "muxer_wav"]
muxer_avi = ["muxers"]
muxer_wav = ["muxers"]