How did he do the smooth camera shots?

https://www.youtube.com/watch?v=M31DhtoNh9w In this video it seems like he's using Distant Horizons with Replay Mod to get the smooth camera movement but DH and RPM do not work together. How is this possible?
Memonic
YouTube
This is Minecraft?! (Distant Horizons 2.0)
A cinematic edit of Minecraft's current capabilities Maps: Sayama City, Greenfield, Abandoned City, Spirted Away Shaders/Mods/Resource Packs: Distant Horizons + Iris (Beta Builds from Discord), Bliss Shader, Kappa Shader, Patrix resource pack
4 Replies
MarijnIsN00B
MarijnIsN00B4mo ago
Spectator mode and cinematic camera Or the mod that lets you control mc with a controller and just use that for smooth motion
Kyng Mythos
Kyng Mythos4mo ago
or you could use replay mod ig
sane
sane4mo ago
no