<div dir="ltr"><div class="gmail_default" style="font-size:small">Stefan,</div><div class="gmail_default" style="font-size:small">Andrea has the best suggestion as I know nothing about mkv. You might try using Settings->Transcode with a Scale of 1 for at least your editing work. This is just an uneducated guess, but as Andrea pointed out in BT #137 seeking may be the problem -- when you use Transcode with a scale of 1 CinGG adds in "keyframes (a different kind of keyframes than what you expect) which make seeking work better. This is discussed in:</div><div class="gmail_default" style="font-size:small"> <a href="https://cinelerra-gg.org/download/CinelerraGG_Manual/Transcode.html">https://cinelerra-gg.org/download/CinelerraGG_Manual/Transcode.html</a></div><div class="gmail_default" style="font-size:small">To quote from that:</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="gmail_default" style="font-size:small">The BIGGEST gain from using this is if you have media that is not <span class="gmail-textit">seekable</span> <a name="6759"></a>,
that is, you can play it from the beginning but can not move to another
spot and have the audio or video play correctly. A video file with no
keyframes makes seeking next to impossible, but then a Transcode
generally adds these keyframes. This is particularly useful for the <span class="gmail-texttt">mkv</span> container, which often has seek problems.
</div></blockquote><div class="gmail_default" style="font-size:small"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Nov 23, 2022 at 3:07 PM Andrea paz via Cin <<a href="mailto:cin@lists.cinelerra-gg.org">cin@lists.cinelerra-gg.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Yes, try. I use mov or mxf.</div>
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