[Kdenlive-devel] speed effect

Dan Dennedy dan at dennedy.org
Thu Nov 26 22:26:12 UTC 2009

On Thu, Nov 26, 2009 at 4:32 AM, Mikko Rapeli <mikko.rapeli at iki.fi> wrote:
> On Thu, Nov 26, 2009 at 04:11:14AM -0800, Dan Dennedy wrote:
>> > Could the speed effect be applied to the original file with original fps
>> > and convert to project p30 after playing faster/slower?
>> Sorry, not in the near term. Currently, non-speed-effect frame rate
>> handling is done within the ffmpeg plugin. I would have to remove that
>> and rely entirely upon something like the speed effect, which as you
>> know does not support audio at the moment. So, this is not some simple
>> bug fix, but a major rework.
> Ok, then I guess I need to slow down the p60 clips to p30 before handing
> them to kdenlive. Do you know a way to set fps without re-encoding the
> content, and maybe also set audio track sample rate to 22050 hz too?

One of the things I claimed to do for this next release in a bug
ticket or forum post was to add an override for the ffmpeg's detected
frame rate. I will work on that after I finish up this VDPAU support,
which should be done in a day or so. I can also look into the sample


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