compn <tempn <at> twmi.rr.com> writes: > > + { AV_CODEC_ID_ATRAC3P, 0xE923AABF}, > > +#endif > > thats the actual atrac3+ in wav tag? It's the first (or last?) 32bit of the GUID > if not, why not make it a fourcc ? > if yes, i dont think it even needs to be in this list. Not all files use the GUID (only wav does). Carl Eugen