I think tsMuxeR can split and join on GOP boundaries (I-frames) without re-encoding.
If you want frame-accurate editing, I believe VideoReDo can do this, and only re-encodes the edit points, leaving the rest of the video untouched.
I think tsMuxeR can split and join on GOP boundaries (I-frames) without re-encoding.
If you want frame-accurate editing, I believe VideoReDo can do this, and only re-encodes the edit points, leaving the rest of the video untouched.