src/transformers/models/data2vec/modeling_data2vec_audio.py/Data2VecAudioAdapterLayer/__init__
class Data2VecAudioAdapterLayer:    def __init__(self, config):
        super().__init__()
        self.conv = nn.Conv1d(
            config.output_hidden_size,
            2 * config.output_hidden_size,
            config.adapter_kernel_size,
            stride=config.adapter_stride,
            padding=1,
        )