When I am trying to render a video in H.264. MP4-H.264/AAC, Matroska-H.264/AAC and MP4-H.265 (HEVC) format, Kdenlive is showing ‘Unsupported video codec: libx264’ and ‘Unsupported video codec: libx265’. How can I solve this? Please help.
Please see the images below for reference:
You don’t say what platform or build you are using, or what version of kdenlive - so I assume it’s a third party build and it’s failed to link to the needed libraries.
Try the official images, or report this to whoever built the image you are using is all I can usefully offer from what you’ve told us so far. H.264/265 are heavily patent encumbered, so that might even be a deliberate decision made by some package builder …
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This looks like a KDE distro and the latest version of Kdenlive (audio shows a proper waveform), but I agree with @Ron that this info should come from the OP. If my guess is right, I suggest to file a bug report in bugs.kde.org