[FFmpeg-trac] #4785(avfilter:closed): Decimate filter doesn't work when used directly with fieldmatch
FFmpeg
trac at avcodec.org
Thu Aug 20 06:07:02 CEST 2015
#4785: Decimate filter doesn't work when used directly with fieldmatch
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Reporter: Detergent | Owner:
Type: defect | Status: closed
Priority: normal | Component: avfilter
Version: git-master | Resolution: invalid
Keywords: fieldmatch | Blocked By:
decimate pullup | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
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Comment (by cehoyos):
{{{fieldmatch}}} does not work the way you expect it to work, it never
duplicates frames. You can use the following filterchain to do what you
want, unfortunately, {{{decimate}}} sometimes drops the wrong frame:
{{{-vf fps=30000/1001,fieldmatch,decimate}}}
It works fine for a clean, bright sample like the one you uploaded afaict.
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Ticket URL: <https://trac.ffmpeg.org/ticket/4785#comment:13>
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