[FFmpeg-trac] #6466(undetermined:new): Compression Artifacts in the Alpha Channel

FFmpeg trac at avcodec.org
Thu Jun 15 17:35:50 EEST 2017

#6466: Compression Artifacts in the Alpha Channel
             Reporter:  NNois        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  prores       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

 There's high compression artifacts using the codec "prores_ks" with an
 Alpha channel (4444 mode)


 ffmpeg -i intranspfile.mov -c:v prores_ks -profile:v 4 -pix_fmt
 yuva444p10le -profile 4444 -metadata:s encoder="Apple ProRes 4444" -vendor
 apl0 -acodec pcm_s16le -f mov outfile.mov

Ticket URL: <https://trac.ffmpeg.org/ticket/6466>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker

More information about the FFmpeg-trac mailing list