* -good alaw: alawenc: A Law audio encoder
* -good alpha: alpha: Alpha filter
* -good alphacolor: alphacolor: Alpha color filter
+ * -good annodex: cmmldec: CMML stream decoder
+ * -good annodex: cmmlenc: CMML streams encoder
* -good audiofx: audioamplify: Audio amplifier
* -good audiofx: audiochebband: Band pass & band reject filter
* -good audiofx: audiocheblimit: Low pass & high pass filter
-- essential --
- -good annodex: cmmldec: CMML stream decoder
- -good annodex: cmmlenc: CMML streams encoder
-good apetag: apedemux: APE tag demuxer
-bad celt: celtdec: Celt audio decoder
-bad celt: celtenc: Celt audio encoder