v1.2

examples/sd_text_to_video.py

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+from diffsynth import ModelManager, SDImagePipeline, SDVideoPipeline, ControlNetConfigUnit, VideoData, save_video, save_frames
+from diffsynth.extensions.RIFE import RIFEInterpolater
+import torch
+
+
+# Download models
+# `models/stable_diffusion/dreamshaper_8.safetensors`: [link](https://civitai.com/api/download/models/128713?type=Model&format=SafeTensor&size=pruned&fp=fp16)
+# `models/AnimateDiff/mm_sd_v15_v2.ckpt`: [link](https://huggingface.co/guoyww/animatediff/resolve/main/mm_sd_v15_v2.ckpt)
+# `models/RIFE/flownet.pkl`: [link](https://drive.google.com/file/d/1APIzVeI-4ZZCEuIRE1m6WYfSCaOsi_7_/view?usp=sharing)
+
+
+# Load models
+model_manager = ModelManager(torch_dtype=torch.float16, device="cuda")
+model_manager.load_models([
+    "models/stable_diffusion/dreamshaper_8.safetensors",
+    "models/AnimateDiff/mm_sd_v15_v2.ckpt",
+    "models/RIFE/flownet.pkl"
+])
+
+# Text -> Image
+pipe_image = SDImagePipeline.from_model_manager(model_manager)
+torch.manual_seed(0)
+image = pipe_image(
+    prompt = "lightning storm, sea",
+    negative_prompt = "",
+    cfg_scale=7.5,
+    num_inference_steps=30, height=512, width=768,
+)
+
+# Text + Image -> Video (6GB VRAM is enough!)
+pipe = SDVideoPipeline.from_model_manager(model_manager)
+output_video = pipe(
+    prompt = "lightning storm, sea",
+    negative_prompt = "",
+    cfg_scale=7.5,
+    num_frames=64,
+    num_inference_steps=10, height=512, width=768,
+    animatediff_batch_size=16, animatediff_stride=1, input_frames=[image]*64, denoising_strength=0.9,
+    vram_limit_level=0,
+)
+
+# Video -> Video with high fps
+interpolater = RIFEInterpolater.from_model_manager(model_manager)
+output_video = interpolater.interpolate(output_video, num_iter=3)
+
+# Save images and video
+save_video(output_video, "output_video.mp4", fps=120)