diffusers/pr_13921/en/_app/immutable/nodes/75.68a1827c.js

import{s as R,n as J,o as K}from"../chunks/scheduler.53228c21.js";import{S as Q,i as X,e as _,s,c as T,h as Y,a as h,d as n,b as d,f as O,g as $,j,k as A,l as w,m as o,n as L,t as D,o as M,p as N}from"../chunks/index.cac5d66a.js";import{D as B}from"../chunks/Docstring.9de32ff4.js";import{H as G,E as Z}from"../chunks/MermaidChart.svelte_svelte_type_style_lang.48d5cb47.js";function ee(U){let a,x,b,y,m,k,l,V='A Diffusion Transformer model for 3D data from <a href="https://github.com/Vchitect/Latte" rel="nofollow">Latte</a>.',E,c,P,r,f,F,i,p,S,g,W='The <a href="/docs/diffusers/pr_13921/en/api/models/latte_transformer3d#diffusers.LatteTransformer3DModel">LatteTransformer3DModel</a> forward method.',C,u,H,v,I;return m=new G({props:{title:"LatteTransformer3DModel",local:"lattetransformer3dmodel",headingTag:"h2"}}),c=new G({props:{title:"LatteTransformer3DModel",local:"diffusers.LatteTransformer3DModel",headingTag:"h2"}}),f=new B({props:{name:"class diffusers.LatteTransformer3DModel",anchor:"diffusers.LatteTransformer3DModel",parameters:[{name:"num_attention_heads",val:": int = 16"},{name:"attention_head_dim",val:": int = 88"},{name:"in_channels",val:": int | None = None"},{name:"out_channels",val:": int | None = None"},{name:"num_layers",val:": int = 1"},{name:"dropout",val:": float = 0.0"},{name:"cross_attention_dim",val:": int | None = None"},{name:"attention_bias",val:": bool = False"},{name:"sample_size",val:": int = 64"},{name:"patch_size",val:": int | None = None"},{name:"activation_fn",val:": str = 'geglu'"},{name:"num_embeds_ada_norm",val:": int | None = None"},{name:"norm_type",val:": str = 'layer_norm'"},{name:"norm_elementwise_affine",val:": bool = True"},{name:"norm_eps",val:": float = 1e-05"},{name:"caption_channels",val:": int = None"},{name:"video_length",val:": int = 16"}],source:"https://github.com/huggingface/diffusers/blob/vr_13921/src/diffusers/models/transformers/latte_transformer_3d.py#L27"}}),p=new B({props:{name:"forward",anchor:"diffusers.LatteTransformer3DModel.forward",parameters:[{name:"hidden_states",val:": Tensor"},{name:"timestep",val:": torch.LongTensor | None = None"},{name:"encoder_hidden_states",val:": torch.Tensor | None = None"},{name:"encoder_attention_mask",val:": torch.Tensor | None = None"},{name:"enable_temporal_attentions",val:": bool = True"},{name:"return_dict",val:": bool = True"}],parametersDescription:[{anchor:"diffusers.LatteTransformer3DModel.forward.hidden_states",description:`<strong>hidden_states</strong> (<code>torch.Tensor</code> of shape <code>(batch size, channel, num_frame, height, width)</code>) &#x2014;
Input <code>hidden_states</code>.`,name:"hidden_states"},{anchor:"diffusers.LatteTransformer3DModel.forward.timestep",description:`<strong>timestep</strong> ( <code>torch.LongTensor</code>, <em>optional</em>) &#x2014;
Used to indicate denoising step. Optional timestep to be applied as an embedding in <code>AdaLayerNorm</code>.`,name:"timestep"},{anchor:"diffusers.LatteTransformer3DModel.forward.encoder_hidden_states",description:`<strong>encoder_hidden_states</strong> ( <code>torch.FloatTensor</code> of shape <code>(batch size, sequence len, embed dims)</code>, <em>optional</em>) &#x2014;
Conditional embeddings for cross attention layer. If not given, cross-attention defaults to
self-attention.`,name:"encoder_hidden_states"},{anchor:"diffusers.LatteTransformer3DModel.forward.encoder_attention_mask",description:`<strong>encoder_attention_mask</strong> ( <code>torch.Tensor</code>, <em>optional</em>) &#x2014;
Cross-attention mask applied to <code>encoder_hidden_states</code>. Two formats supported:</p>
<ul>
<li>Mask <code>(batcheight, sequence_length)</code> True = keep, False = discard.</li>
<li>Bias <code>(batcheight, 1, sequence_length)</code> 0 = keep, -10000 = discard.</li>
</ul>
<p>If <code>ndim == 2</code>: will be interpreted as a mask, then converted into a bias consistent with the format
above. This bias will be added to the cross-attention scores.`,name:"encoder_attention_mask"},{anchor:"diffusers.LatteTransformer3DModel.forward.enable_temporal_attentions",description:`<strong>enable_temporal_attentions</strong> &#x2014;
(<code>bool</code>, <em>optional</em>, defaults to <code>True</code>): Whether to enable temporal attentions.`,name:"enable_temporal_attentions"},{anchor:"diffusers.LatteTransformer3DModel.forward.return_dict",description:`<strong>return_dict</strong> (<code>bool</code>, <em>optional</em>, defaults to <code>True</code>) &#x2014;
Whether or not to return a <code>~models.unet_2d_condition.UNet2DConditionOutput</code> instead of a plain
tuple.`,name:"return_dict"}],source:"https://github.com/huggingface/diffusers/blob/vr_13921/src/diffusers/models/transformers/latte_transformer_3d.py#L166",returnDescription:`<script context="module">export const metadata = 'undefined';<\/script>


<p>If <code>return_dict</code> is True, an <code>~models.transformer_2d.Transformer2DModelOutput</code> is returned, otherwise a
<code>tuple</code> where the first element is the sample tensor.</p>
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