SparseControlNetModel  
A SparseControlNet model as described in [SparseCtrl: Adding Sparse Controls to Text-to-Video Diffusion
Models](https://arxiv.org/abs/2311.16933).  
Args:
in_channels (`int`, defaults to 4):
The number of channels in the input sample.
conditioning_channels (`int`, defaults to 4):
The number of input channels in the controlnet conditional embedding module. If
`concat_condition_embedding` is True, the value provided here is incremented by 1.