[FFmpeg-trac] #5668(avcodec:new): webp : implement fancy filtering (was: webp : lossy decoding have lower quality than official decoder)
FFmpeg
trac at avcodec.org
Sun Jun 26 00:07:14 CEST 2016
#5668: webp : implement fancy filtering
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Reporter: mvignali | Owner:
Type: enhancement | Status: new
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: webm lossy | Blocked By:
fancy | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
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Changes (by mvignali):
* keywords: webm lossy => webm lossy fancy
* type: defect => enhancement
Comment:
After more tests :
if we output yuv frame from webp sample using ffmpeg or dwebp, the files
are binary exact.
When converting webp file to png with ffmpeg, the result is very close to
the output of dwebp using the nofancy option.
./dwebp rgb_webp_q80.webp -nofancy -o res.png
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Ticket URL: <https://trac.ffmpeg.org/ticket/5668#comment:1>
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