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hao-ai-lab/FastVideo

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FastVideo

hao-ai-lab/FastVideo

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Getting Started
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- FastVideo
- fastvideo
  fastvideo
  - fastvideo
  - attention
    attention
    
    attention
    
    backends
    backends
    
    backends
    
    STA_configuration
    
    abstract
    
    flash_attn
    
    sage_attn
    
    sage_attn3
    
    sdpa
    
    sla
    
    sliding_tile_attn
    
    video_sparse_attn
    
    vmoba
    
    layer
    
    selector
  - configs
    configs
    
    configs
    
    configs
    
    models
    models
    
    models
    
    audio
    audio
    
    audio
    
    ltx2_audio_vae
    
    base
    
    dits
    dits
    
    dits
    
    base
    
    cosmos
    
    cosmos2_5
    
    hunyuanvideo
    
    hunyuanvideo15
    
    hyworld
    
    longcat
    
    ltx2
    
    matrixgame
    
    stepvideo
    
    wanvideo
    
    encoders
    encoders
    
    encoders
    
    base
    
    clip
    
    gemma
    
    llama
    
    qwen2_5
    
    reason1
    
    siglip
    
    t5
    
    vaes
    vaes
    
    vaes
    
    base
    
    cosmos2_5vae
    
    cosmosvae
    
    hunyuan15vae
    
    hunyuanvae
    
    ltx2vae
    
    stepvideovae
    
    wanvae
    
    pipelines
    pipelines
    
    pipelines
    
    base
    
    cosmos
    
    cosmos2_5
    
    hunyuan
    
    hunyuan15
    
    hyworld
    
    longcat
    
    ltx2
    
    registry
    
    stepvideo
    
    turbodiffusion
    
    wan
    
    sample
    sample
    
    sample
    
    base
    
    cosmos
    
    cosmos2_5
    
    hunyuan
    
    hunyuan15
    
    hyworld
    
    ltx2
    
    registry
    
    stepvideo
    
    teacache
    
    turbodiffusion
    
    wan
    
    utils
  - dataset
    dataset
    
    dataset
    
    latent_datasets
    
    parquet_dataset_iterable_style
    
    parquet_dataset_map_style
    
    preprocessing_datasets
    
    transform
    
    upload_to_hf
    
    utils
    
    validation_dataset
  - distributed
    distributed
    
    distributed
    
    communication_op
    
    device_communicators
    device_communicators
    
    device_communicators
    
    base_device_communicator
    
    cpu_communicator
    
    cuda_communicator
    
    npu_communicator
    
    pyhccl
    
    pyhccl_wrapper
    
    pynccl
    
    pynccl_wrapper
    
    parallel_state
    
    utils
  - entrypoints
    entrypoints
    
    entrypoints
    
    cli
    cli
    
    cli
    
    cli_types
    
    generate
    
    main
    
    utils
    
    streaming_generator
    
    video_generator
  - envs
  - fastvideo_args
  - forward_context
  - hooks
    hooks
    
    hooks
    
    hooks
    
    layerwise_offload
  - image_processor
  - layers
    layers
    
    layers
    
    activation
    
    custom_op
    
    layernorm
    
    linear
    
    mlp
    
    quantization
    quantization
    
    quantization
    
    absmax_fp8
    
    base_config
    
    rotary_embedding
    
    rotary_embedding_3d
    
    utils
    
    visual_embedding
    
    vocab_parallel_embedding
  - logger
  - logging_utils
    logging_utils
    
    logging_utils
    
    formatter
  - models
    models
    
    models
    
    audio
    audio
    
    audio
    
    ltx2_audio_vae
    
    hf_transformer_utils
    
    layerwise_offload
    
    loader
    loader
    
    loader
    
    component_loader
    
    fsdp_load
    
    utils
    
    weight_utils
    
    mask_utils
    
    parameter
    
    registry
    
    utils
    
    vision_utils
  - pipelines
    pipelines
    
    pipelines
    
    basic
    basic
    
    basic
    
    cosmos
    cosmos
    
    cosmos
    
    cosmos2_5_pipeline
    
    cosmos_pipeline
    
    hunyuan
    hunyuan
    
    hunyuan
    
    hunyuan_pipeline
    
    hunyuan15
    hunyuan15
    
    hunyuan15
    
    hunyuan15_pipeline
    
    hyworld
    hyworld
    
    hyworld
    
    hyworld_pipeline
    
    longcat
    longcat
    
    longcat
    
    longcat_i2v_pipeline
    
    longcat_pipeline
    
    longcat_vc_pipeline
    
    ltx2
    ltx2
    
    ltx2 ltx2
    Table of contents
    
    Modules
    
    ltx2_pipeline
    
    Classes
    
    Functions
    
    ltx2_pipeline
    
    matrixgame
    matrixgame
    
    matrixgame
    
    matrixgame_causal_dmd_pipeline
    
    matrixgame_i2v_pipeline
    
    stepvideo
    stepvideo
    
    stepvideo
    
    stepvideo_pipeline
    
    turbodiffusion
    turbodiffusion
    
    turbodiffusion
    
    turbodiffusion_i2v_pipeline
    
    turbodiffusion_pipeline
    
    wan
    wan
    
    wan
    
    wan_causal_dmd_pipeline
    
    wan_dmd_pipeline
    
    wan_i2v_dmd_pipeline
    
    wan_i2v_pipeline
    
    wan_pipeline
    
    wan_v2v_pipeline
    
    composed_pipeline_base
    
    lora_pipeline
    
    pipeline_batch_info
    
    pipeline_registry
    
    preprocess
    preprocess
    
    preprocess
    
    matrixgame
    matrixgame
    
    matrixgame
    
    matrixgame_preprocess_pipeline
    
    preprocess_pipeline_base
    
    preprocess_pipeline_i2v
    
    preprocess_pipeline_ode_trajectory
    
    preprocess_pipeline_t2v
    
    preprocess_pipeline_text
    
    preprocess_stages
    
    v1_preprocess
    
    v1_preprocessing_new
    
    wan
    wan
    
    wan
    
    wan_preprocess_pipelines
    
    stages
    stages
    
    stages
    
    base
    
    causal_denoising
    
    conditioning
    
    decoding
    
    denoising
    
    encoding
    
    hyworld_denoising
    
    image_encoding
    
    input_validation
    
    latent_preparation
    
    longcat_denoising
    
    longcat_i2v_denoising
    
    longcat_i2v_latent_preparation
    
    longcat_image_vae_encoding
    
    longcat_kv_cache_init
    
    longcat_refine_init
    
    longcat_refine_timestep
    
    longcat_vc_denoising
    
    longcat_video_vae_encoding
    
    ltx2_audio_decoding
    
    ltx2_denoising
    
    ltx2_latent_preparation
    
    matrixgame_denoising
    
    stepvideo_encoding
    
    text_encoding
    
    timestep_preparation
    
    utils
    
    validators
    
    training
  - platforms
    platforms
    
    platforms
    
    cpu
    
    cuda
    
    interface
    
    mps
    
    npu
    
    rocm
  - profiler
  - tests
    tests
    
    tests
    
    conftest
    
    ssim
    ssim
    
    ssim
    
    test_causal_similarity
    
    test_inference_similarity
    
    test_longcat_similarity
    
    test_matrixgame_similarity
    
    test_turbodiffusion_similarity
    
    utils
  - training
    training
    
    training
    
    activation_checkpoint
    
    checkpointing_utils
    
    distillation_pipeline
    
    matrixgame_training_pipeline
    
    ode_causal_pipeline
    
    self_forcing_distillation_pipeline
    
    trackers
    
    training_pipeline
    
    training_utils
    
    wan_distillation_pipeline
    
    wan_i2v_distillation_pipeline
    
    wan_i2v_training_pipeline
    
    wan_self_forcing_distillation_pipeline
    
    wan_training_pipeline
  - utils
  - version
  - worker
    worker
    
    worker
    
    executor
    
    gpu_worker
    
    multiproc_executor
    
    ray_distributed_executor
    
    ray_env
    
    ray_utils
    
    worker_base
  - workflow
    workflow
    
    workflow
    
    preprocess
    preprocess
    
    preprocess
    
    components
    
    preprocess_workflow
    
    preprocess_workflow_i2v
    
    preprocess_workflow_t2v
    
    workflow_base

Table of contents

Modules
- ltx2_pipeline
  - Classes
  - Functions

ltx2 ¶

Modules¶

fastvideo.pipelines.basic.ltx2.ltx2_pipeline ¶

LTX-2 text-to-video pipeline.

Classes¶

Functions¶

January 29, 2026

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