import spaces import gradio as gr import os import sys import argparse import random import time from omegaconf import OmegaConf import torch import torchvision from pytorch_lightning import seed_everything from huggingface_hub import hf_hub_download from einops import repeat import torchvision.transforms as transforms from utils.utils import instantiate_from_config sys.path.insert(0, "scripts/evaluation") from scripts.evaluation.funcs import ( batch_ddim_sampling, load_model_checkpoint, get_latent_z, save_videos ) def download_model(): REPO_ID = 'GraceZhao/DynamiCrafter-CIL-512' ckpt_dir = './checkpoints/dynamicrafter_512_cil/' filename_list = ['timenoise.ckpt'] if not os.path.exists(ckpt_dir): os.makedirs(ckpt_dir) for filename in filename_list: local_file = os.path.join(ckpt_dir, filename) if not os.path.exists(local_file): hf_hub_download(repo_id=REPO_ID, filename=filename, local_dir=ckpt_dir, force_download=True) download_model() ckpt_path='checkpoints/dynamicrafter_512_cil/timenoise.ckpt' config_file='configs/inference_512_v1.0.yaml' config = OmegaConf.load(config_file) model_config = config.pop("model", OmegaConf.create()) model_config['params']['unet_config']['params']['use_checkpoint']=False model = instantiate_from_config(model_config) assert os.path.exists(ckpt_path), "Error: checkpoint Not Found!" model = load_model_checkpoint(model, ckpt_path) model.eval() model = model.cuda() @spaces.GPU(duration=300) def infer(image, prompt, steps=50, cfg_scale=7.5, eta=1.0, fs=3, seed=123, ddpm_from=1000): resolution = (320, 512) save_fps = 8 seed_everything(seed) transform = transforms.Compose([ transforms.Resize(resolution), ]) torch.cuda.empty_cache() print('start:', prompt, time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))) start = time.time() if steps > 60: steps = 60 batch_size=1 channels = model.model.diffusion_model.out_channels frames = model.temporal_length h, w = resolution[0] // 8, resolution[1] // 8 noise_shape = [batch_size, channels, frames, h, w] # text cond with torch.no_grad(), torch.cuda.amp.autocast(): text_emb = model.get_learned_conditioning([prompt]) # img cond img_tensor = torch.from_numpy(image).permute(2, 0, 1).float().to(model.device) img_tensor = (img_tensor / 255. - 0.5) * 2 image_tensor_resized = transform(img_tensor) #3,256,256 videos = image_tensor_resized.unsqueeze(0) # bchw z = get_latent_z(model, videos.unsqueeze(2)) #bc,1,hw img_tensor_repeat = repeat(z, 'b c t h w -> b c (repeat t) h w', repeat=frames) cond_images = model.embedder(img_tensor.unsqueeze(0)) ## blc img_emb = model.image_proj_model(cond_images) imtext_cond = torch.cat([text_emb, img_emb], dim=1) fs = torch.tensor([fs], dtype=torch.long, device=model.device) cond = {"c_crossattn": [imtext_cond], "fs": fs, "c_concat": [img_tensor_repeat]} ## inference batch_samples = batch_ddim_sampling(model, cond, noise_shape, n_samples=1, ddim_steps=steps, ddim_eta=eta, cfg_scale=cfg_scale, ddpm_from=ddpm_from) ## b,samples,c,t,h,w video_path = './output.mp4' save_videos(batch_samples, './', filenames=['output'], fps=save_fps) return video_path i2v_examples = [ ['prompts/512/7.png', 'Donkeys in traditional attire gallop across a lush green meadow.', 50, 7.5, 1.0, 20, 123,900], ['prompts/512/41.png', 'Rabbits playing in a river.', 50, 7.5, 1.0, 20, 123,900], ['prompts/512/32.png', 'Mountains under the starlight.', 50, 7.5, 1.0, 20, 123,900], ['prompts/512/14.png', 'A duck swimming in the lake.', 50, 7.5, 1.0, 20, 123,900], ['prompts/512/30.png', 'A soldier riding a horse.', 50, 7.5, 1.0, 20, 123,900], ['prompts/512/52.png', 'Fireworks exploding in the sky.', 50, 7.5, 1.0, 20, 123,900], ] css = """#input_img {max-width: 512px !important} #output_vid {max-width: 512px; max-height: 320px}""" with gr.Blocks(analytics_enabled=False, css=css) as demo: gr.Markdown("