remove never use code (#1151)

夜雨飘零

2023-12-06 6f88a689af05dee063d52fc65806cb0addbb764b

remove never use code (#1151)

 funasr/utils/speaker_utils.py

@@ -108,54 +108,6 @@
    return features


class CAMLayer(nn.Module):

    def __init__(self,
                 bn_channels,
                 out_channels,
                 kernel_size,
                 stride,
                 padding,
                 dilation,
                 bias,
                 reduction=2):
        super(CAMLayer, self).__init__()
        self.linear_local = nn.Conv1d(
            bn_channels,
            out_channels,
            kernel_size,
            stride=stride,
            padding=padding,
            dilation=dilation,
            bias=bias)
        self.linear1 = nn.Conv1d(bn_channels, bn_channels // reduction, 1)
        self.relu = nn.ReLU(inplace=True)
        self.linear2 = nn.Conv1d(bn_channels // reduction, out_channels, 1)
        self.sigmoid = nn.Sigmoid()

    def forward(self, x):
        y = self.linear_local(x)
        context = x.mean(-1, keepdim=True) + self.seg_pooling(x)
        context = self.relu(self.linear1(context))
        m = self.sigmoid(self.linear2(context))
        return y * m

    def seg_pooling(self, x, seg_len=100, stype='avg'):
        if stype == 'avg':
            seg = F.avg_pool1d(
                x, kernel_size=seg_len, stride=seg_len, ceil_mode=True)
        elif stype == 'max':
            seg = F.max_pool1d(
                x, kernel_size=seg_len, stride=seg_len, ceil_mode=True)
        else:
            raise ValueError('Wrong segment pooling type.')
        shape = seg.shape
        seg = seg.unsqueeze(-1).expand(*shape,
                                       seg_len).reshape(*shape[:-1], -1)
        seg = seg[..., :x.shape[-1]]
        return seg


def postprocess(segments: list, vad_segments: list,
                labels: np.ndarray, embeddings: np.ndarray) -> list:
    assert len(segments) == len(labels)