hunyuanvideo examples

examples/HunyuanVideo/hunyuanvideo_6G.py

@@ -0,0 +1,47 @@
+import torch
+torch.cuda.set_per_process_memory_fraction(1.0, 0)
+from diffsynth import ModelManager, HunyuanVideoPipeline, download_models, save_video, FlowMatchScheduler
+
+
+download_models(["HunyuanVideo"])
+model_manager = ModelManager()
+
+# The DiT model is loaded in bfloat16.
+model_manager.load_models(
+    [
+        "models/HunyuanVideo/transformers/mp_rank_00_model_states.pt"
+    ],
+    torch_dtype=torch.bfloat16,
+    device="cpu"
+)
+
+# The other modules are loaded in float16.
+model_manager.load_models(
+    [
+        "models/HunyuanVideo/text_encoder/model.safetensors",
+        "models/HunyuanVideo/text_encoder_2",
+        "models/HunyuanVideo/vae/pytorch_model.pt",
+    ],
+    torch_dtype=torch.float16,
+    device="cpu"
+)
+
+# We support LoRA inference. You can use the following code to load your LoRA model.
+# Example LoRA: https://civitai.com/models/1032126/walking-animation-hunyuan-video
+model_manager.load_lora("models/lora/kxsr_walking_anim_v1-5.safetensors", lora_alpha=1.0)
+
+# The computation device is "cuda".
+pipe = HunyuanVideoPipeline.from_model_manager(
+    model_manager,
+    torch_dtype=torch.bfloat16,
+    device="cuda"
+)
+# This LoRA requires shift=9.0.
+pipe.scheduler = FlowMatchScheduler(shift=9.0, sigma_min=0.0, extra_one_step=True)
+
+# Enjoy!
+for clothes_up in ["white t-shirt", "black t-shirt", "orange t-shirt"]:
+    for clothes_down in ["blue sports skirt", "red sports skirt", "white sports skirt"]:
+        prompt = f"kxsr, full body, no crop, A 3D-rendered CG animation video featuring a Gorgeous, mature, curvaceous, fair-skinned female girl with long silver hair and blue eyes. She wears a {clothes_up} and a {clothes_down}, walking offering a sense of fluid movement and vivid animation."
+        video = pipe(prompt, seed=0, height=512, width=384, num_frames=129, num_inference_steps=18, tile_size=(17, 16, 16), tile_stride=(12, 12, 12))
+        save_video(video, f"video-{clothes_up}-{clothes_down}.mp4", fps=30, quality=6)