<p>Using keyframes is not required for mythtranscode with mpeg2 (lossless transcode) and honour cut list options. </p>
<p>Myth transcode just re encodes just the affected frames (which means it isn't quite lossless but certainly close enough).</p>
<p>R</p>
<p>Please excuse brevity and pistakes as this email was composed on an Android smartphone.</p>
<p>Thanks and best regards<br>
Richard Morton<br>
</p>