[Ffmpeg-devel] FLAC encoder

Justin Ruggles jruggle
Sat May 27 16:09:55 CEST 2006


Corey Hickey wrote:
> On an amd64:
> 
> $ time flac -f -8 audiodump.wav
> 
> flac 1.1.2, Copyright (C) 2000,2001,2002,2003,2004,2005  Josh Coalson
> flac comes with ABSOLUTELY NO WARRANTY.  This is free software, and you are
> welcome to redistribute it under certain conditions.  Type `flac' for
> details.
> 
> options: -P 4096 -b 4608 -m -l 12 -e -q 0 -r 0,6
> audiodump.wav: wrote 19010895 bytes, ratio=0.598
> 
> real    0m18.765s
> user    0m18.518s
> sys     0m0.204s
> 
> $ time flake/flake -8 audiodump.wav a.flac
> Flake: FLAC audio encoder
> Signed 16-bit 44100 Hz stereo
> samples: 7953408
> blocksize: 4608
> frames:      1726 | samples:   7953408 | bytes:  19104706 | bitrate:
> 847 kbps
> 
> real    0m6.140s
> user    0m6.027s
> sys     0m0.109s
> 
> $ ls -l audiodump.wav audiodump.flac a.flac
> -rw-r--r-- 1 bugfood bugfood 19104706 2006-05-27 00:52:25 a.flac
> -rw-r--r-- 1 bugfood bugfood 19010895 2006-05-27 00:49:48 audiodump.flac
> -rw-r--r-- 1 bugfood bugfood 31813676 2006-05-27 00:49:48 audiodump.wav

Wonderful! Thanks for the feedback. "flake -8" is not an equal of "flac
-8", but it's close. Try "flake -10" to see if the compression increases. :)
-Justin




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