[Flac-dev] FLAC__stream_encoder_process_interleaved, results filesize=0

2008-05-06 Thread guillermo raya batanero
Hi, i am using the libFlac.dll at Delphi, and i got compile and execute all the main program similar way like main.c do it. My problem is than the resulting file has no size, so filesize=0, but i can not to know what is the problem. I think that FLAC__stream_encoder_process_interleaved it is not

[Flac-dev] Proof-of-concept multithreaded FLAC encoder

2008-05-06 Thread Frederick Akalin
Hey FLAC devs, I managed to hack out a proof-of-concept multithreaded FLAC encoder based on the example libFLAC one. It turned out to be fairly straightforward to get near-linear speedup; I can encode a 636 MB wave file in 6.8s with 8 threads on an 8-core 3.0 GHz Xeon vs. 31.4s with a single

Re: [Flac-dev] Proof-of-concept multithreaded FLAC encoder

2008-05-06 Thread Brian Willoughby
Frederick, This is great news! Thanks for your effort. Your proof-of-concept raises a few questions for me: 1) I know that the ratio of uncompressed to compressed data is unpredictable, but I never really considered whether the input block size or the output block size is constant. I'm

Re: [Flac-dev] Proof-of-concept multithreaded FLAC encoder

2008-05-06 Thread Frederick Akalin
On Tue, May 6, 2008 at 2:03 PM, Brian Willoughby [EMAIL PROTECTED] wrote: Frederick, This is great news! Thanks for your effort. Your proof-of-concept raises a few questions for me: 1) I know that the ratio of uncompressed to compressed data is unpredictable, but I never really

Re: [Flac-dev] Flac-dev Digest, Vol 45, Issue 2

2008-05-06 Thread Frederick Akalin
On Tue, May 6, 2008 at 4:52 PM, Christopher Peplin [EMAIL PROTECTED] wrote: Along the same line as Frederick, myself and another university student were able to implement a multi threaded FLAC encoder, but using Intel's Threading Building Blocks (TBB) package. We saw similar near-linear