[FEATURE] Import video and sound to Manim Slides

[semikernel]

Description

use self.add("video.mp4",width=4,loop=TRUE,run_time=5,opacity=0.8).move_to(LEFT) ) to add video into manim-slides that can control some parameters.

use self.add("sound.mp3") to add a sound in anywhere of the manim-slides

Thx a lot!

Screenshots

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Additional information

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[jeertmans]

Hello! The features you are asking for are not

Adding a video file

Manim does not allow to easily load a video from a file. I have myself made a PR to add some basic VideoMobject class to Manim (ManimCommunity/manim#3496), but this is still work in progress due to ManimCommunity/manim#3501.

In the meantime, you can implement a basic VideoMobject by copying/pasting the code from https://github.com/ManimCommunity/manim/pull/3496/files.

Adding a sound file

Currently, you can add audio files in Manim with self.add("audio.mp3"), but the sound will not be played in Manim Slides. This is because Manim does not add the audio soundtrack to partial video files, which are used by Manim Slides to create the different slides.

This issue is tracked by #375.