MockingBird/ppg2mel/utils/abs_model.py

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from abc import ABC
from abc import abstractmethod
import torch
class AbsMelDecoder(torch.nn.Module, ABC):
"""The abstract PPG-based voice conversion class
This "model" is one of mediator objects for "Task" class.
"""
@abstractmethod
def forward(
self,
bottle_neck_features: torch.Tensor,
feature_lengths: torch.Tensor,
speech: torch.Tensor,
speech_lengths: torch.Tensor,
logf0_uv: torch.Tensor = None,
spembs: torch.Tensor = None,
styleembs: torch.Tensor = None,
) -> torch.Tensor:
raise NotImplementedError