import os import random from datetime import datetime import gradio as gr import numpy as np import torch from diffusers import AutoencoderKL, DDIMScheduler from einops import repeat from omegaconf import OmegaConf from PIL import Image from torchvision import transforms from transformers import CLIPVisionModelWithProjection from diffusers import DiffusionPipeline pipeline = DiffusionPipeline.from_pretrained("stabilityai/stable-video-diffusion-img2vid-xt") from src.models.pose_guider import PoseGuider from src.models.unet_2d_condition import UNet2DConditionModel from src.models.unet_3d import UNet3DConditionModel from src.pipelines.pipeline_pose2vid_long import Pose2VideoPipeline from src.utils.util import get_fps, read_frames, save_videos_grid class AnimateController: def __init__( self, config_path="./configs/prompts/animation.yaml", weight_dtype=torch.float16, ): # Read pretrained weights path from config self.config = OmegaConf.load(config_path) self.pipeline = None self.weight_dtype = weight_dtype def animate( self, ref_image, pose_video_path, width=512, height=768, length=24, num_inference_steps=25, cfg=3.5, seed=123, ): generator = torch.manual_seed(seed) if isinstance(ref_image, np.ndarray): ref_image = Image.fromarray(ref_image) if self.pipeline is None: vae = AutoencoderKL.from_pretrained( self.config.pretrained_vae_path, ).to("cuda", dtype=self.weight_dtype) reference_unet = UNet2DConditionModel.from_pretrained( self.config.pretrained_base_model_path, subfolder="unet", ).to(dtype=self.weight_dtype, device="cuda") inference_config_path = self.config.inference_config infer_config = OmegaConf.load(inference_config_path) denoising_unet = UNet3DConditionModel.from_pretrained_2d( self.config.pretrained_base_model_path, self.config.motion_module_path, subfolder="unet", unet_additional_kwargs=infer_config.unet_additional_kwargs, ).to(dtype=self.weight_dtype, device="cuda") pose_guider = PoseGuider(320, block_out_channels=(16, 32, 96, 256)).to( dtype=self.weight_dtype, device="cuda" ) image_enc = CLIPVisionModelWithProjection.from_pretrained( self.config.image_encoder_path ).to(dtype=self.weight_dtype, device="cuda") sched_kwargs = OmegaConf.to_container(infer_config.noise_scheduler_kwargs) scheduler = DDIMScheduler(**sched_kwargs) # load pretrained weights denoising_unet.load_state_dict( torch.load(self.config.denoising_unet_path, map_location="cpu"), strict=False, ) reference_unet.load_state_dict( torch.load(self.config.reference_unet_path, map_location="cpu"), ) pose_guider.load_state_dict( torch.load(self.config.pose_guider_path, map_location="cpu"), ) pipe = Pose2VideoPipeline( vae=vae, image_encoder=image_enc, reference_unet=reference_unet, denoising_unet=denoising_unet, pose_guider=pose_guider, scheduler=scheduler, ) pipe = pipe.to("cuda", dtype=self.weight_dtype) self.pipeline = pipe pose_images = read_frames(pose_video_path) src_fps = get_fps(pose_video_path) pose_list = [] pose_tensor_list = [] pose_transform = transforms.Compose( [transforms.Resize((height, width)), transforms.ToTensor()] ) for pose_image_pil in pose_images[:length]: pose_list.append(pose_image_pil) pose_tensor_list.append(pose_transform(pose_image_pil)) video = self.pipeline( ref_image, pose_list, width=width, height=height, video_length=length, num_inference_steps=num_inference_steps, guidance_scale=cfg, generator=generator, ).videos ref_image_tensor = pose_transform(ref_image) # (c, h, w) ref_image_tensor = ref_image_tensor.unsqueeze(1).unsqueeze(0) # (1, c, 1, h, w) ref_image_tensor = repeat( ref_image_tensor, "b c f h w -> b c (repeat f) h w", repeat=length ) pose_tensor = torch.stack(pose_tensor_list, dim=0) # (f, c, h, w) pose_tensor = pose_tensor.transpose(0, 1) pose_tensor = pose_tensor.unsqueeze(0) video = torch.cat([ref_image_tensor, pose_tensor, video], dim=0) save_dir = f"./output/gradio" if not os.path.exists(save_dir): os.makedirs(save_dir, exist_ok=True) date_str = datetime.now().strftime("%Y%m%d") time_str = datetime.now().strftime("%H%M") out_path = os.path.join(save_dir, f"{date_str}T{time_str}.mp4") save_videos_grid( video, out_path, n_rows=3, fps=src_fps, ) torch.cuda.empty_cache() return out_path controller = AnimateController() def ui(): with gr.Blocks() as demo: gr.Markdown( """ # Moore-AnimateAnyone Demo """ ) animation = gr.Video( format="mp4", label="Animation Results", height=448, autoplay=True, ) with gr.Row(): reference_image = gr.Image(label="Reference Image") motion_sequence = gr.Video( format="mp4", label="Motion Sequence", height=512 ) with gr.Column(): width_slider = gr.Slider( label="Width", minimum=448, maximum=768, value=512, step=64 ) height_slider = gr.Slider( label="Height", minimum=512, maximum=1024, value=768, step=64 ) length_slider = gr.Slider( label="Video Length", minimum=24, maximum=128, value=24, step=24 ) with gr.Row(): seed_textbox = gr.Textbox(label="Seed", value=-1) seed_button = gr.Button( value="\U0001F3B2", elem_classes="toolbutton" ) seed_button.click( fn=lambda: gr.Textbox.update(value=random.randint(1, 1e8)), inputs=[], outputs=[seed_textbox], ) with gr.Row(): sampling_steps = gr.Slider( label="Sampling steps", value=25, info="default: 25", step=5, maximum=30, minimum=10, ) guidance_scale = gr.Slider( label="Guidance scale", value=3.5, info="default: 3.5", step=0.5, maximum=10, minimum=2.0, ) submit = gr.Button("Animate") def read_video(video): return video def read_image(image): return Image.fromarray(image) # when user uploads a new video motion_sequence.upload(read_video, motion_sequence, motion_sequence) # when `first_frame` is updated reference_image.upload(read_image, reference_image, reference_image) # when the `submit` button is clicked submit.click( controller.animate, [ reference_image, motion_sequence, width_slider, height_slider, length_slider, sampling_steps, guidance_scale, seed_textbox, ], animation, ) # Examples gr.Markdown("## Examples") gr.Examples( examples=[ [ "./configs/inference/ref_images/anyone-5.png", "./configs/inference/pose_videos/anyone-video-2_kps.mp4", ], [ "./configs/inference/ref_images/anyone-10.png", "./configs/inference/pose_videos/anyone-video-1_kps.mp4", ], [ "./configs/inference/ref_images/anyone-2.png", "./configs/inference/pose_videos/anyone-video-5_kps.mp4", ], ], inputs=[reference_image, motion_sequence], outputs=animation, ) return demo demo = ui() demo.launch(share=True)