# MMAction2 Support [MMAction2](https://github.com/open-mmlab/mmaction2) is an open-source toolbox for video understanding based on PyTorch. It is a part of the [OpenMMLab](https://openmmlab.com) project. ## Install mmaction2 Please follow the [installation guide](https://github.com/open-mmlab/mmaction2#installation) to install mmaction2. ## Supported models | Model | TorchScript | ONNX Runtime | TensorRT | ncnn | PPLNN | OpenVINO | | :------------------------------------------------------------------------------------------- | :---------: | :----------: | :------: | :--: | :---: | :------: | | [TSN](https://github.com/open-mmlab/mmaction2/tree/master/configs/recognition/tsn) | N | Y | Y | N | N | N | | [SlowFast](https://github.com/open-mmlab/mmaction2/tree/master/configs/recognition/slowfast) | N | Y | Y | N | N | N |