def test_flac(file) = if test_process("which metaflac") then channels = list.hd(get_process_lines("metaflac \ --show-channels #{quote(file)} \ 2>/dev/null")) # If the value is not an int, this returns 0 and we are ok :) int_of_string(channels) else # Try to detect using mime test.. mime = get_mime(file) if string.match(pattern="flac",file) then # We do not know the number of audio channels # so setting to -1 (-1) else # All tests failed: no audio decodable using flac.. 0 end end end add_decoder(name="FLAC",description="Decode files using the flac \ decoder binary.", test=test_flac,flac_p)