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# AllegroTransformer3DModel
Un modelo Diffusion Transformer para datos 3D de [Allegro](https://github.com/rhymes-ai/Allegro) fue introducido en [Allegro: Open the Black Box of Commercial-Level Video Generation Model](https://huggingface.co/papers/2410.15458) por RhymesAI.
El modelo se puede cargar con el siguiente fragmento de código.
```python
from diffusers import AllegroTransformer3DModel
transformer = AllegroTransformer3DModel.from_pretrained("rhymes-ai/Allegro", subfolder="transformer", dtype=torch.bfloat16).to("cuda") # or "mps", "xpu", "cpu"
```
## AllegroTransformer3DModel[[diffusers.AllegroTransformer3DModel]]
#### diffusers.AllegroTransformer3DModel[[diffusers.AllegroTransformer3DModel]]
```python
diffusers.AllegroTransformer3DModel(patch_size: int = 2, patch_size_t: int = 1, num_attention_heads: int = 24, attention_head_dim: int = 96, in_channels: int = 4, out_channels: int = 4, num_layers: int = 32, dropout: float = 0.0, cross_attention_dim: int = 2304, attention_bias: bool = True, sample_height: int = 90, sample_width: int = 160, sample_frames: int = 22, activation_fn: str = 'gelu-approximate', norm_elementwise_affine: bool = False, norm_eps: float = 1e-06, caption_channels: int = 4096, interpolation_scale_h: float = 2.0, interpolation_scale_w: float = 2.0, interpolation_scale_t: float = 2.2)
```
[Fuente](https://github.com/huggingface/diffusers/blob/main/src/diffusers/models/transformers/transformer_allegro.py#L174)
#### forward[[diffusers.AllegroTransformer3DModel.forward]]
```python
forward(hidden_states: Tensor, encoder_hidden_states: Tensor, timestep: LongTensor, attention_mask: typing.Optional[torch.Tensor] = None, encoder_attention_mask: typing.Optional[torch.Tensor] = None, image_rotary_emb: tuple[torch.Tensor, torch.Tensor] | None = None, return_dict: bool = True)
```
[Fuente](https://github.com/huggingface/diffusers/blob/main/src/diffusers/models/transformers/transformer_allegro.py#L305)
**Parámetros:**
hidden_states (`torch.Tensor` de forma `(batch_size, num_channels, num_frames, height, width)`) : `hidden_states` de entrada.
encoder_hidden_states (`torch.Tensor` de forma `(batch_size, sequence_len, embed_dims)`) : Embeddings condicionales (embeddings calculados a partir de las condiciones de entrada, como los prompts) a utilizar.
timestep (`torch.LongTensor`) : Se utiliza para indicar el paso de desruido.
attention_mask (`torch.Tensor`, *opcional*) : Máscara de autoatención aplicada a `hidden_states`.
encoder_attention_mask (`torch.Tensor`, *opcional*) : Máscara de atención cruzada aplicada a `encoder_hidden_states`.
image_rotary_emb (`tuple` de `torch.Tensor`, *opcional*) : Incrustaciones posicionales rotatorias precalculadas.
return_dict (`bool`, *opcional*, valor predeterminado `True`) : Indica si se debe devolver un `~models.transformer_2d.Transformer2DModelOutput` en lugar de una tupla simple.
**Devuelve:**
Si `return_dict` es True, se devuelve un `~models.transformer_2d.Transformer2DModelOutput`; en caso contrario, se devuelve una `tuple` cuyo primer elemento es el tensor de la muestra.
El método forward de [AllegroTransformer3DModel](/docs/diffusers/main/es/api/models/allegro_transformer3d#diffusers.AllegroTransformer3DModel).
## Transformer2DModelOutput[[diffusers.models.modeling_outputs.Transformer2DModelOutput]]
#### diffusers.models.modeling_outputs.Transformer2DModelOutput[[diffusers.models.modeling_outputs.Transformer2DModelOutput]]
```python
diffusers.models.modeling_outputs.Transformer2DModelOutput(sample: torch.Tensor)
```
[Fuente](https://github.com/huggingface/diffusers/blob/main/src/diffusers/models/modeling_outputs.py#L21)
**Parámetros:**
sample (`torch.Tensor` de forma `(batch_size, num_channels, height, width)` o `(batch size, num_vector_embeds - 1, num_latent_pixels)` si [Transformer2DModel](/docs/diffusers/main/es/api/models/transformer2d#diffusers.Transformer2DModel) es discreto): las salidas de estados ocultos condicionadas a la entrada `encoder_hidden_states`. Si es discreto, devuelve distribuciones de probabilidad para los píxeles latentes sin ruido.
La salida de [Transformer2DModel](/docs/diffusers/main/es/api/models/transformer2d#diffusers.Transformer2DModel).

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