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Delete app.py
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app.py
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import tempfile
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from pathlib import Path
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import gradio as gr
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import spaces
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import torch
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from diffusers import CogVideoXImageToVideoPipeline
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from diffusers.utils import export_to_video
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from PIL import Image
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MODEL_ID = "THUDM/CogVideoX1.5-5B-I2V"
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PIPE = None
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def get_pipeline():
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global PIPE
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if PIPE is None:
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print(f"Loading model: {MODEL_ID}", flush=True)
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PIPE = CogVideoXImageToVideoPipeline.from_pretrained(
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MODEL_ID,
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torch_dtype=torch.bfloat16,
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)
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PIPE.to("cuda")
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PIPE.enable_vae_slicing()
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PIPE.enable_vae_tiling()
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print("Model loaded on CUDA", flush=True)
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return PIPE
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def resize_image(image: Image.Image, profile: str):
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image = image.convert("RGB")
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if profile == "1080p (upscale final)":
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target_w, target_h = 1360, 768
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else:
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target_w, target_h = 1024, 576
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target_ratio = target_w / target_h
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source_ratio = image.width / image.height
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if source_ratio > target_ratio:
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crop_h = image.height
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crop_w = round(crop_h * target_ratio)
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else:
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crop_w = image.width
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crop_h = round(crop_w / target_ratio)
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left = max(0, (image.width - crop_w) // 2)
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top = max(0, (image.height - crop_h) // 2)
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image = image.crop((left, top, left + crop_w, top + crop_h))
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return image.resize((target_w, target_h), Image.Resampling.LANCZOS), target_w, target_h
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@spaces.GPU(duration=300)
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def generate_video(image, prompt, profile, seed):
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if image is None:
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raise gr.Error("Envie uma imagem antes de gerar o vídeo.")
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if not prompt or not prompt.strip():
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raise gr.Error("Escreva o movimento que você quer animar.")
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try:
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pipeline = get_pipeline()
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image, width, height = resize_image(image, profile)
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generator = torch.Generator(device="cuda").manual_seed(int(seed or 42))
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full_prompt = (
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"Animate the input image while preserving the exact identity, face, clothing, "
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"objects, composition and environment. Focus on natural physically plausible motion. "
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+ prompt.strip()
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+ ". Smooth cinematic movement, consistent character, no morphing, no extra limbs, "
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"no scene change, no camera cuts."
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)
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result = pipeline(
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prompt=full_prompt,
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image=image,
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height=height,
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width=width,
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num_frames=49,
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guidance_scale=6.0,
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num_inference_steps=20,
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generator=generator,
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)
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frames = result.frames[0]
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output_path = Path(tempfile.mkdtemp(prefix="motion-ai-")) / "motion.mp4"
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export_to_video(frames, str(output_path), fps=8)
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return str(output_path)
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except Exception as exc:
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print(f"Generation error: {type(exc).__name__}: {exc}", flush=True)
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raise gr.Error(f"Não foi possível gerar o vídeo: {type(exc).__name__}: {exc}") from exc
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with gr.Blocks(title="Motion AI Studio") as demo:
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gr.Markdown(
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"# Motion AI Studio\n"
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"Anime uma imagem com um comando de movimento. A GPU é solicitada somente ao gerar."
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)
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with gr.Row():
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with gr.Column():
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image = gr.Image(type="pil", label="Imagem de referência")
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prompt = gr.Textbox(
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label="Descreva o movimento",
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placeholder="Ex.: o homem começa a correr pela rua enquanto a câmera o acompanha lateralmente",
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lines=4,
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)
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profile = gr.Radio(
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["720p", "1080p (upscale final)"],
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value="720p",
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label="Perfil",
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)
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seed = gr.Number(value=42, precision=0, label="Seed")
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generate = gr.Button("Gerar animação", variant="primary")
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with gr.Column():
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result = gr.Video(label="Resultado", format="mp4")
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gr.Markdown(
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"**Recomendação:** comece com 720p. O perfil 1080p gera a animação em resolução menor."
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)
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generate.click(generate_video, [image, prompt, profile, seed], result)
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if __name__ == "__main__":
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demo.queue(max_size=8).launch()
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