On 12/13/2012 10:55 AM, Erik de Castro Lopo wrote: > Klaus Schulz wrote: > >> HireRez flac > 16/48 e.g. 24/96 flacs. >> >> Decoding demands are somewhat different from 44/16 especially if a high >> compression level on 24/96 is used and the file gets decoded in realtime. >> >> The subject is probably about realtime decoding efficiency. It's probably >> not that easy to trace this down. > FLAC can be easily decode on very modest hardware. > >> The flac application is used as a realtime decoder to stdout (pipe) in a >> typical Squeezebox server setup. > Ok, this is suspicious. Can you reproduce the problem when not using > a pipe? For instance, pipes usually have a fixed 4k buffer size and > writes to a full pipe with block until the other end of the pipe is > read. To test this, you could reduce the size and increase if frequency > of reads on the read end of the pipe. > > Erik
Maybe this investigation at HA into decoding slowness and the ultimate fix/workaround is helpful: http://www.hydrogenaudio.org/forums/index.php?showtopic=98069 Christoph _______________________________________________ flac-dev mailing list [email protected] http://lists.xiph.org/mailman/listinfo/flac-dev
