import{S as ft,i as ht,s as _t,e as n,k as c,w as R,t as i,M as gt,c as s,d as o,m,a,x as W,h as l,b as r,G as t,g as p,y as H,L as bt,q as G,o as V,B as j,v as vt}from"../../../chunks/vendor-hf-doc-builder.js";import{D as Je}from"../../../chunks/Docstring-hf-doc-builder.js";import{I as Ke}from"../../../chunks/IconCopyLink-hf-doc-builder.js";function Dt(Qe){let f,te,h,v,J,U,De,K,we,oe,D,ye,T,Ne,ke,ne,C,Ue,se,S,M,Te,x,Me,xe,ae,_,w,Q,$,$e,X,qe,re,u,q,Ee,Y,Ae,Be,E,Ie,z,Oe,Pe,Ce,y,A,Se,B,ze,F,Fe,Le,ie,g,N,Z,I,Re,ee,We,le,b,O,He,P,Ge,L,Ve,je,de;return U=new Ke({}),$=new Ke({}),q=new Je({props:{name:"class diffusers.UNet2DModel",anchor:"diffusers.UNet2DModel",parameters:[{name:"sample_size",val:": typing.Union[int, typing.Tuple[int, int], NoneType] = None"},{name:"in_channels",val:": int = 3"},{name:"out_channels",val:": int = 3"},{name:"center_input_sample",val:": bool = False"},{name:"time_embedding_type",val:": str = 'positional'"},{name:"freq_shift",val:": int = 0"},{name:"flip_sin_to_cos",val:": bool = True"},{name:"down_block_types",val:": typing.Tuple[str] = ('DownBlock2D', 'AttnDownBlock2D', 'AttnDownBlock2D', 'AttnDownBlock2D')"},{name:"up_block_types",val:": typing.Tuple[str] = ('AttnUpBlock2D', 'AttnUpBlock2D', 'AttnUpBlock2D', 'UpBlock2D')"},{name:"block_out_channels",val:": typing.Tuple[int] = (224, 448, 672, 896)"},{name:"layers_per_block",val:": int = 2"},{name:"mid_block_scale_factor",val:": float = 1"},{name:"downsample_padding",val:": int = 1"},{name:"downsample_type",val:": str = 'conv'"},{name:"upsample_type",val:": str = 'conv'"},{name:"act_fn",val:": str = 'silu'"},{name:"attention_head_dim",val:": typing.Optional[int] = 8"},{name:"norm_num_groups",val:": int = 32"},{name:"norm_eps",val:": float = 1e-05"},{name:"resnet_time_scale_shift",val:": str = 'default'"},{name:"add_attention",val:": bool = True"},{name:"class_embed_type",val:": typing.Optional[str] = None"},{name:"num_class_embeds",val:": typing.Optional[int] = None"}],parametersDescription:[{anchor:"diffusers.UNet2DModel.sample_size",description:`<strong>sample_size</strong> (<code>int</code> or <code>Tuple[int, int]</code>, <em>optional</em>, defaults to <code>None</code>) &#x2014;
Height and width of input/output sample. Dimensions must be a multiple of <code>2 ** (len(block_out_channels) - 1)</code>.`,name:"sample_size"},{anchor:"diffusers.UNet2DModel.in_channels",description:"<strong>in_channels</strong> (<code>int</code>, <em>optional</em>, defaults to 3) &#x2014; Number of channels in the input sample.",name:"in_channels"},{anchor:"diffusers.UNet2DModel.out_channels",description:"<strong>out_channels</strong> (<code>int</code>, <em>optional</em>, defaults to 3) &#x2014; Number of channels in the output.",name:"out_channels"},{anchor:"diffusers.UNet2DModel.center_input_sample",description:"<strong>center_input_sample</strong> (<code>bool</code>, <em>optional</em>, defaults to <code>False</code>) &#x2014; Whether to center the input sample.",name:"center_input_sample"},{anchor:"diffusers.UNet2DModel.time_embedding_type",description:"<strong>time_embedding_type</strong> (<code>str</code>, <em>optional</em>, defaults to <code>&quot;positional&quot;</code>) &#x2014; Type of time embedding to use.",name:"time_embedding_type"},{anchor:"diffusers.UNet2DModel.freq_shift",description:"<strong>freq_shift</strong> (<code>int</code>, <em>optional</em>, defaults to 0) &#x2014; Frequency shift for Fourier time embedding.",name:"freq_shift"},{anchor:"diffusers.UNet2DModel.flip_sin_to_cos",description:`<strong>flip_sin_to_cos</strong> (<code>bool</code>, <em>optional</em>, defaults to <code>True</code>) &#x2014;
Whether to flip sin to cos for Fourier time embedding.`,name:"flip_sin_to_cos"},{anchor:"diffusers.UNet2DModel.down_block_types",description:`<strong>down_block_types</strong> (<code>Tuple[str]</code>, <em>optional</em>, defaults to <code>(&quot;DownBlock2D&quot;, &quot;AttnDownBlock2D&quot;, &quot;AttnDownBlock2D&quot;, &quot;AttnDownBlock2D&quot;)</code>) &#x2014;
Tuple of downsample block types.`,name:"down_block_types"},{anchor:"diffusers.UNet2DModel.mid_block_type",description:`<strong>mid_block_type</strong> (<code>str</code>, <em>optional</em>, defaults to <code>&quot;UNetMidBlock2D&quot;</code>) &#x2014;
Block type for middle of UNet, it can be either <code>UNetMidBlock2D</code> or <code>UnCLIPUNetMidBlock2D</code>.`,name:"mid_block_type"},{anchor:"diffusers.UNet2DModel.up_block_types",description:`<strong>up_block_types</strong> (<code>Tuple[str]</code>, <em>optional</em>, defaults to <code>(&quot;AttnUpBlock2D&quot;, &quot;AttnUpBlock2D&quot;, &quot;AttnUpBlock2D&quot;, &quot;UpBlock2D&quot;)</code>) &#x2014;
Tuple of upsample block types.`,name:"up_block_types"},{anchor:"diffusers.UNet2DModel.block_out_channels",description:`<strong>block_out_channels</strong> (<code>Tuple[int]</code>, <em>optional</em>, defaults to <code>(224, 448, 672, 896)</code>) &#x2014;
Tuple of block output channels.`,name:"block_out_channels"},{anchor:"diffusers.UNet2DModel.layers_per_block",description:"<strong>layers_per_block</strong> (<code>int</code>, <em>optional</em>, defaults to <code>2</code>) &#x2014; The number of layers per block.",name:"layers_per_block"},{anchor:"diffusers.UNet2DModel.mid_block_scale_factor",description:"<strong>mid_block_scale_factor</strong> (<code>float</code>, <em>optional</em>, defaults to <code>1</code>) &#x2014; The scale factor for the mid block.",name:"mid_block_scale_factor"},{anchor:"diffusers.UNet2DModel.downsample_padding",description:"<strong>downsample_padding</strong> (<code>int</code>, <em>optional</em>, defaults to <code>1</code>) &#x2014; The padding for the downsample convolution.",name:"downsample_padding"},{anchor:"diffusers.UNet2DModel.downsample_type",description:`<strong>downsample_type</strong> (<code>str</code>, <em>optional</em>, defaults to <code>conv</code>) &#x2014;
The downsample type for downsampling layers. Choose between &#x201C;conv&#x201D; and &#x201C;resnet&#x201D;`,name:"downsample_type"},{anchor:"diffusers.UNet2DModel.upsample_type",description:`<strong>upsample_type</strong> (<code>str</code>, <em>optional</em>, defaults to <code>conv</code>) &#x2014;
The upsample type for upsampling layers. Choose between &#x201C;conv&#x201D; and &#x201C;resnet&#x201D;`,name:"upsample_type"},{anchor:"diffusers.UNet2DModel.act_fn",description:"<strong>act_fn</strong> (<code>str</code>, <em>optional</em>, defaults to <code>&quot;silu&quot;</code>) &#x2014; The activation function to use.",name:"act_fn"},{anchor:"diffusers.UNet2DModel.attention_head_dim",description:"<strong>attention_head_dim</strong> (<code>int</code>, <em>optional</em>, defaults to <code>8</code>) &#x2014; The attention head dimension.",name:"attention_head_dim"},{anchor:"diffusers.UNet2DModel.norm_num_groups",description:"<strong>norm_num_groups</strong> (<code>int</code>, <em>optional</em>, defaults to <code>32</code>) &#x2014; The number of groups for normalization.",name:"norm_num_groups"},{anchor:"diffusers.UNet2DModel.norm_eps",description:"<strong>norm_eps</strong> (<code>float</code>, <em>optional</em>, defaults to <code>1e-5</code>) &#x2014; The epsilon for normalization.",name:"norm_eps"},{anchor:"diffusers.UNet2DModel.resnet_time_scale_shift",description:`<strong>resnet_time_scale_shift</strong> (<code>str</code>, <em>optional</em>, defaults to <code>&quot;default&quot;</code>) &#x2014; Time scale shift config
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The type of class embedding to use which is ultimately summed with the time embeddings. Choose from <code>None</code>,
<code>&quot;timestep&quot;</code>, or <code>&quot;identity&quot;</code>.`,name:"class_embed_type"},{anchor:"diffusers.UNet2DModel.num_class_embeds",description:`<strong>num_class_embeds</strong> (<code>int</code>, <em>optional</em>, defaults to <code>None</code>) &#x2014;
Input dimension of the learnable embedding matrix to be projected to <code>time_embed_dim</code> when performing class
conditioning with <code>class_embed_type</code> equal to <code>None</code>.`,name:"num_class_embeds"}],source:"https://github.com/huggingface/diffusers/blob/v0.18.0/src/diffusers/models/unet_2d.py#L40"}}),A=new Je({props:{name:"forward",anchor:"diffusers.UNet2DModel.forward",parameters:[{name:"sample",val:": FloatTensor"},{name:"timestep",val:": typing.Union[torch.Tensor, float, int]"},{name:"class_labels",val:": typing.Optional[torch.Tensor] = None"},{name:"return_dict",val:": bool = True"}],parametersDescription:[{anchor:"diffusers.UNet2DModel.forward.sample",description:`<strong>sample</strong> (<code>torch.FloatTensor</code>) &#x2014;
The noisy input tensor with the following shape <code>(batch, channel, height, width)</code>.`,name:"sample"},{anchor:"diffusers.UNet2DModel.forward.timestep",description:"<strong>timestep</strong> (<code>torch.FloatTensor</code> or <code>float</code> or <code>int</code>) &#x2014; The number of timesteps to denoise an input.",name:"timestep"},{anchor:"diffusers.UNet2DModel.forward.class_labels",description:`<strong>class_labels</strong> (<code>torch.FloatTensor</code>, <em>optional</em>, defaults to <code>None</code>) &#x2014;
Optional class labels for conditioning. Their embeddings will be summed with the timestep embeddings.`,name:"class_labels"},{anchor:"diffusers.UNet2DModel.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 <a href="/docs/diffusers/v0.18.0/en/api/models/unet2d#diffusers.models.unet_2d.UNet2DOutput">UNet2DOutput</a> instead of a plain tuple.`,name:"return_dict"}],source:"https://github.com/huggingface/diffusers/blob/v0.18.0/src/diffusers/models/unet_2d.py#L228",returnDescription:`
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  href="/docs/diffusers/v0.18.0/en/api/models/unet2d#diffusers.models.unet_2d.UNet2DOutput"
>UNet2DOutput</a> is returned, otherwise a <code>tuple</code> is
returned where the first element is the sample tensor.</p>
`,returnType:`
<p><a
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>UNet2DOutput</a> or <code>tuple</code></p>
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