Merge pull request #1062 from alibaba-damo-academy/dev_lhn

hnluo

2023-11-06 61f00e84c2cc5f3e9eab8dba5c96ea8aa61e0721

 funasr/models/frontend/abs_frontend.py

New file
@@ -0,0 +1,17 @@
from abc import ABC
from abc import abstractmethod
from typing import Tuple

import torch


class AbsFrontend(torch.nn.Module, ABC):
    @abstractmethod
    def output_size(self) -> int:
        raise NotImplementedError

    @abstractmethod
    def forward(
        self, input: torch.Tensor, input_lengths: torch.Tensor
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        raise NotImplementedError