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28 lines
814 B
Python
28 lines
814 B
Python
import torch
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import torch.nn as nn
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from .wan_video_dit import sinusoidal_embedding_1d
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class WanMotionControllerModel(torch.nn.Module):
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def __init__(self, freq_dim=256, dim=1536):
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super().__init__()
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self.freq_dim = freq_dim
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self.linear = nn.Sequential(
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nn.Linear(freq_dim, dim),
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nn.SiLU(),
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nn.Linear(dim, dim),
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nn.SiLU(),
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nn.Linear(dim, dim * 6),
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)
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def forward(self, motion_bucket_id):
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emb = sinusoidal_embedding_1d(self.freq_dim, motion_bucket_id * 10)
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emb = self.linear(emb)
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return emb
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def init(self):
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state_dict = self.linear[-1].state_dict()
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state_dict = {i: state_dict[i] * 0 for i in state_dict}
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self.linear[-1].load_state_dict(state_dict)
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