+h263 = []
+
+dsp = []
+fft = ["dsp"]
+mdct = ["dsp"]
+dsp_window = ["dsp"]
+
+all_decoders = ["all_video_decoders", "all_audio_decoders"]
+
+all_video_decoders = ["decoder_gdvvid", "decoder_indeo2", "decoder_indeo3", "decoder_indeo4", "decoder_indeo5", "decoder_intel263"]
+decoder_gdvvid = ["decoders"]