Files
hao-ai-lab-FastVideo/examples/inference/basic/basic_dreamx_world.py

62 lines
1.9 KiB
Python

import os
from fastvideo import VideoGenerator
OUTPUT_PATH = os.getenv("DREAMX_WORLD_OUTPUT_PATH", "video_samples_dreamx_world")
def _env_int(name: str, default: int) -> int:
return int(os.getenv(name, str(default)))
def _env_float(name: str, default: float) -> float:
return float(os.getenv(name, str(default)))
def main():
model_name = os.getenv("DREAMX_WORLD_MODEL_DIR", "FastVideo/DreamX-World-5B-Cam-Diffusers")
generator = VideoGenerator.from_pretrained(
model_name,
num_gpus=1,
use_fsdp_inference=False,
dit_cpu_offload=False,
vae_cpu_offload=True,
text_encoder_cpu_offload=True,
pin_cpu_memory=False,
override_pipeline_cls_name="DreamXWorldPipeline",
)
prompt = os.getenv(
"DREAMX_WORLD_PROMPT",
"A cinematic first-person drive through a futuristic coastal city at "
"sunrise, reflective glass towers, clean streets, soft volumetric light.",
)
image_path = os.getenv(
"DREAMX_WORLD_IMAGE_PATH",
"https://huggingface.co/datasets/YiYiXu/testing-images/resolve/main/wan_i2v_input.JPG",
)
kwargs = {
"output_path": OUTPUT_PATH,
"save_video": os.getenv("DREAMX_WORLD_SAVE_VIDEO", "1") != "0",
"height": _env_int("DREAMX_WORLD_HEIGHT", 480),
"width": _env_int("DREAMX_WORLD_WIDTH", 832),
"num_frames": _env_int("DREAMX_WORLD_NUM_FRAMES", 161),
"num_inference_steps": _env_int("DREAMX_WORLD_STEPS", 30),
"guidance_scale": _env_float("DREAMX_WORLD_GUIDANCE", 5.0),
"action_list": os.getenv("DREAMX_WORLD_ACTIONS", "w,d,w").split(","),
"action_speed_list":
[float(value) for value in os.getenv("DREAMX_WORLD_ACTION_SPEEDS", "4.0,2.0,4.0").split(",")],
}
if image_path:
kwargs["image_path"] = image_path
try:
generator.generate_video(prompt, **kwargs)
finally:
generator.shutdown()
if __name__ == "__main__":
main()