Output scaling

Available from v2.6.7.

Output scaling is useful if you would like to render the video in multiple resolutions in the same aspect ratio.

Example: Your video canvas is in Full HD (1920x1080), but would like to render your video to be in 4k (3840x2160 or 2x).

Remotion can support this higher resolution by setting the deviceScaleFactor of Puppeteer and upscale certain elements.

How to scale

In the CLI, during a render of a video or a still, pass the --scale flag. For example: --scale=2
In the Node.JS functions renderStill(), renderFrames(), renderStillOnLambda() and renderMediaOnLambda(), you can pass a scale option.
In the config file, you can pass the scale using the following statement:
```
ts
Config.setScale(2);
```

The highest scale possible is 16 (sixteen times higher dimensions on each size or 256 times more pixels).

Positive values below 1 are allowed. For example, 0.5 will half each dimension.

Before 4.0.328, there were further limitations:

Scaling values leading to non-integer pixels were not allowed.
Scaling values leading to non-even numbers were not allowed when rendering with codec h264.

Since 4.0.328, rounding is performed automatically.

Elements that can be upscaled and that will enhance increased resolution are:

Elements that cannot be upscaled for increased resolution are: