Hi Joseph,
I’ve done a little experimenting with this topic lately, and hopefully my findings will assist you. In order to bring a movie into Cinema4D, try the following:
1 – Create a new material
2 – Disable the color and specular channels
3 – Enable the luminence channel
4 – Click on the “…” button for your luminence channel to add an image
5 – Navigate to the first image in your image sequence (assuming you have made an image sequence, which is what I recommend)
6 – Cinema will now ask if you want to make a copy of the image for your “tex” project folder; be sure to select “NO”
7 – Click on the thumbnail of your first frame in the luminence channel
8 – Within your Attributes window for your material, you will now see three tabs called “Basic,” “Shader,” and “Animation”
9 – Click on “Animation”
10 – Set the frame rate for your image sequence in the “Movie Frame Rate” box
11 – Click “Calculate”
This should work. Also, the steps above are for working in your luminence channel, but you can also do this with your color channel if you want your video to pick up light/shading information. The real trick with this method is to tell C4D to NOT make a duplicate of your first frame for your “tex” folder. This method has been working for me thus far, and I hope it comes in handy for you!
PS – keep in mind that frames at high resolution will bog down C4D. You may want to work with a low-res proxy of your image sequence, and switch to a full-res version for your render. Granted, it will take up more hard drive space, but it will save your sanity!
Best,
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