[Kdenlive-devel] A/V out of sync rending AVCHD source to anything

[Dan Dennedy]

On Sat, Dec 5, 2009 at 7:37 AM, Paul Hartman
<paul.hartman+kdenlive at gmail.com> wrote:
> Hi,
>
> I have Canon AVCHD source footage from my camcorder, and am having
> trouble keeping A/V sync in Kdenlive. With no effects, but changing
> the starting point of the clip to about 5 minutes in, sync is off a

I do not have an AVCHD cam or any long/suitable footage with which to
test and debug a/v sync. Can you provide something?

> little. Applying effects causes sync to become worse. It is out of
> sync both in the project preview and in rendered videos. I'm using
> latest svn/csv/git versions of x264/ffmpeg/mlt/kdenlive. (When using
> "ffplay" to play and seek around the source file, the sync remains
> good.) The sound happens before the video (I hear words, then I see
> mouth moving).
>
> Are there any tricks, like converting to another container format,
> transcoding into another type, something that's more friendly to keep
> the sync in check in kdenlive? Thanks.

Yes, use Kdenlive Transcode feature (not Render) to convert it to
DNxHD, Right-click the clip in the Project Tree.


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