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# 当图像模型遇见 AnimateDiff
我们已经领略到了 Stable Diffusion 模型及其生态模型的强大图像生成能力现在我们引入一个新的模块AnimateDiff这样一来就可以把图像模型的能力迁移到视频中。在本篇文章中我们为您展示基于 DiffSynth-Studio 搭建的动漫风格视频渲染方案Diffutoon。
## 下载模型
接下来的例子会用到很多模型,我们先把它们下载好。
* 一个动漫风格的 Stable Diffusion 架构模型
* 两个 ControlNet 模型
* 一个 Textual Inversion 模型
* 一个 AnimateDiff 模型
```python
from diffsynth import download_models
download_models([
"AingDiffusion_v12",
"AnimateDiff_v2",
"ControlNet_v11p_sd15_lineart",
"ControlNet_v11f1e_sd15_tile",
"TextualInversion_VeryBadImageNegative_v1.3"
])
```
## 下载视频
你可以随意选择任何你喜欢的视频,我们使用[这个视频](https://www.bilibili.com/video/BV1iG411a7sQ)作为演示,你可以通过以下命令下载这个视频文件,但请注意,在没有获得视频原作者的商用版权时,请不要将其用作商业用途。
```
modelscope download --dataset Artiprocher/examples_in_diffsynth data/examples/diffutoon/input_video.mp4 --local_dir ./
```
## 生成动漫
```python
from diffsynth import ModelManager, SDVideoPipeline, ControlNetConfigUnit, VideoData, save_video
import torch
# Load models
model_manager = ModelManager(torch_dtype=torch.float16, device="cuda")
model_manager.load_models([
"models/stable_diffusion/aingdiffusion_v12.safetensors",
"models/AnimateDiff/mm_sd_v15_v2.ckpt",
"models/ControlNet/control_v11p_sd15_lineart.pth",
"models/ControlNet/control_v11f1e_sd15_tile.pth",
])
# Build pipeline
pipe = SDVideoPipeline.from_model_manager(
model_manager,
[
ControlNetConfigUnit(
processor_id="tile",
model_path="models/ControlNet/control_v11f1e_sd15_tile.pth",
scale=0.5
),
ControlNetConfigUnit(
processor_id="lineart",
model_path="models/ControlNet/control_v11p_sd15_lineart.pth",
scale=0.5
)
]
)
pipe.prompter.load_textual_inversions(["models/textual_inversion/verybadimagenegative_v1.3.pt"])
# Load video
video = VideoData(
video_file="data/examples/diffutoon/input_video.mp4",
height=1536, width=1536
)
input_video = [video[i] for i in range(30)]
# Generate
torch.manual_seed(0)
output_video = pipe(
prompt="best quality, perfect anime illustration, light, a girl is dancing, smile, solo",
negative_prompt="verybadimagenegative_v1.3",
cfg_scale=7, clip_skip=2,
input_frames=input_video, denoising_strength=1.0,
controlnet_frames=input_video, num_frames=len(input_video),
num_inference_steps=10, height=1536, width=1536,
animatediff_batch_size=16, animatediff_stride=8,
)
# Save video
save_video(output_video, "output_video.mp4", fps=30)
```
## 效果展示
<video src="https://github.com/Artiprocher/DiffSynth-Studio/assets/35051019/b54c05c5-d747-4709-be5e-b39af82404dd" controls="controls"></video>