import math
import torch
from torch import nn


class MMVisionProjector(nn.Module):
    def __init__(self, in_dim, out_dim, source_tokens=64, target_tokens=64):
        super().__init__()
        self.mlp = nn.Sequential(
            nn.LayerNorm(in_dim),
            nn.Linear(in_dim, out_dim),
            nn.GELU(),
            nn.Linear(out_dim, out_dim),
        )

    def forward(self, x):
        return self.mlp(x)