feat: Add reference latent support for Anima

comfy/ldm/cosmos/predict2.py

@@ -839,6 +839,14 @@ def _forward(
         **kwargs,
     ):
         orig_shape = list(x.shape)
+
+        ref_latents = kwargs.get('ref_latents', None)
+        if ref_latents is not None:
+            for ref in ref_latents:
+                if ref.ndim == 4:
+                    ref = ref.unsqueeze(2)
+                x = torch.cat([x, ref.to(dtype=x.dtype, device=x.device)], dim=2)
+
         x = comfy.ldm.common_dit.pad_to_patch_size(x, (self.patch_temporal, self.patch_spatial, self.patch_spatial))
         x_B_C_T_H_W = x
         timesteps_B_T = timesteps

comfy/model_base.py

@@ -1201,6 +1201,7 @@ def scale_latent_inpaint(self, sigma, noise, latent_image, **kwargs):
 class Anima(BaseModel):
     def __init__(self, model_config, model_type=ModelType.FLOW, device=None):
         super().__init__(model_config, model_type, device=device, unet_model=comfy.ldm.anima.model.Anima)
+        self.memory_usage_factor_conds = ("ref_latents",)
 
     def extra_conds(self, **kwargs):
         out = super().extra_conds(**kwargs)
@@ -1221,6 +1222,20 @@ def extra_conds(self, **kwargs):
                     out['t5xxl_weights'] = comfy.conds.CONDRegular(t5xxl_weights)
 
             out['c_crossattn'] = comfy.conds.CONDRegular(cross_attn)
+
+        ref_latents = kwargs.get("reference_latents", None)
+        if ref_latents is not None:
+            latents = []
+            for lat in ref_latents:
+                latents.append(self.process_latent_in(lat))
+            out['ref_latents'] = comfy.conds.CONDList(latents)
+        return out
+
+    def extra_conds_shapes(self, **kwargs):
+        out = {}
+        ref_latents = kwargs.get("reference_latents", None)
+        if ref_latents is not None:
+            out['ref_latents'] = [1, 16, sum(math.prod(lat.size()[2:]) for lat in ref_latents)]
         return out
 
 class Lumina2(BaseModel):