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hao-ai-lab-FastVideo/scripts/inference/inference_longcat_i2v.yaml
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Davids048andClaude Opus 5.5 ecb15bf9e0 [refactor]: move repository configs and examples off pipeline.experimental
Every key that repository YAML configs, Python examples, the Dreamverse
backend, and tests passed through pipeline.experimental has a typed
GeneratorConfig field, so they use those fields instead:
engine.attention, engine.compile.regional, pipeline.flow_shift,
pipeline.embedded_cfg_scale, pipeline.dmd_denoising_steps,
pipeline.components.lora_nickname, pipeline.minimax_h3, and
pipeline.longcat. No repository config outside the tests uses
pipeline.experimental any more.

The flat FastVideoArgs keywords that each migrated YAML file and each
basic_fasth3.py option set produces match the previous ones. The golden
snapshots of the two Hunyuan scripts now record embedded_cfg_scale and
flow_shift as floats (6.0 instead of 6), because the typed fields are
floats. The guidance tensor is built as float32 either way. The golden case
untyped_experimental_keys is renamed attention_precision_and_flow_shift with
identical content, and keys_without_typed_fields covers keywords that still
go to pipeline.experimental.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012M91wnVFmPEvJ9h39r5BH7
2026-10-02 17:37:22 +00:00

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YAML

# Run with:
# fastvideo generate --config scripts/inference/inference_longcat_i2v.yaml
generator:
model_path: FastVideo/LongCat-Video-I2V-Diffusers
engine:
num_gpus: 1
parallelism:
tp_size: 1
sp_size: 1
offload:
dit: false
pin_cpu_memory: false
pipeline:
workload_type: i2v
longcat:
enable_bsa: false
request:
prompt: >-
A woman sits at a wooden table by the window in a cozy café. She reaches
out with her right hand, picks up the white coffee cup from the saucer,
and gently brings it to her lips to take a sip. After drinking, she places
the cup back on the table and looks out the window, enjoying the peaceful
atmosphere.
negative_prompt: >-
Bright tones, overexposed, static, blurred details, subtitles, style,
works, paintings, images, static, overall gray, worst quality, low
quality, JPEG compression residue, ugly, incomplete, extra fingers,
poorly drawn hands, poorly drawn faces, deformed, disfigured, misshapen
limbs, fused fingers, still picture, messy background, three legs, many
people in the background, walking backwards
inputs:
image_path: assets/girl.png
sampling:
seed: 42
num_frames: 93
height: 480
width: 480
fps: 15
num_inference_steps: 50
guidance_scale: 4.0
output:
output_path: outputs_video/longcat_i2v