[FFmpeg-trac] #4638(undetermined:new): Multithreaded FLAC encoding

FFmpeg trac at avcodec.org
Thu Jun 18 10:30:03 CEST 2015


#4638: Multithreaded FLAC encoding
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             Reporter:  xtemp09      |                     Type:
               Status:  new          |  enhancement
            Component:               |                 Priority:  normal
  undetermined                       |                  Version:
             Keywords:               |  unspecified
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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 I found that FLAC encoding utilizes only 100% of CPU, instead, e.g. 1200%
 (I have 12-core computer). It takes so long when encoding large files at
 maximum compression level.

 Could you add multithreading to FLAC encoding? Maybe, openCL would be help
 common users too. flaCCL, FlaCuda are multithreaded and have better
 compression than that one of ffmpeg. Could you include them into ffmpeg?

 I hope this request won't hang here 3-2 years like many others. :'(

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Ticket URL: <https://trac.ffmpeg.org/ticket/4638>
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