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streamlit_app.py
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streamlit_app.py
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# 调用api.py的接口的streamlit应用
# Path: DynamiCrafter/streamlit_app.py
import streamlit as st
import os
import numpy as np
from PIL import Image
import requests
import json
if 'run_button' in st.session_state and st.session_state.run_button == True:
st.session_state.running = True
else:
st.session_state.running = False
class DynamiCrafterUI:
def __init__(self):
self.api_url = "http:https://127.0.0.1:8000/"
self.upload_url = self.api_url + "upload"
self.generate_url = self.api_url + "generate"
def upload_image(self, bytes_data):
files = {'file': bytes_data}
try:
response = requests.post(self.upload_url, files=files)
return response.json()
except requests.exceptions.RequestException as e:
logging.error(e)
return {"filename": None}
def generate_video(self, filename, i2v_input_text, i2v_steps=50, i2v_cfg_scale=7.5, i2v_eta=1.0, i2v_motion=15, i2v_seed=123, frames=None):
data = {
"image_name": filename,
"i2v_input_text": i2v_input_text,
"i2v_steps": i2v_steps,
"i2v_cfg_scale": i2v_cfg_scale,
"i2v_eta": i2v_eta,
"i2v_motion": i2v_motion,
"i2v_seed": i2v_seed,
"frames": frames
}
try:
response = requests.post(self.generate_url, json=data)
return response.content
except requests.exceptions.RequestException as e:
logging.error(e)
return None
def run(self):
st.title("DynamiCrafter: Animating Open-domain Images with Video Diffusion Priors")
st.markdown("## Image2Video")
i2v_input_image = st.file_uploader("Input Image", type=['png', 'jpg', 'jpeg'])
if i2v_input_image:
st.image(i2v_input_image, width=512)
i2v_input_text = st.text_input("Prompts")
i2v_seed = st.slider("Random Seed", 0, 10000, 123)
i2v_eta = st.slider("ETA", 0.0, 1.0, 1.0)
i2v_cfg_scale = st.slider("CFG Scale", 1.0, 15.0, 7.5)
i2v_steps = st.slider("Sampling steps", 1, 60, 50)
i2v_motion = st.slider("FPS", 5, 20, 10)
i2v_end_btn = st.button("Generate", disabled=st.session_state.running, key='run_button')
if i2v_end_btn:
filename = self.upload_image(i2v_input_image.read())["filename"]
if filename:
video = self.generate_video(filename, i2v_input_text, i2v_steps, i2v_cfg_scale, i2v_eta, i2v_motion, i2v_seed, frames=40)
if video:
st.session_state.video = video
else:
st.error("Failed to generate video.")
else:
st.error("Failed to upload image.")
if "video" in st.session_state:
st.video(st.session_state.video)
if __name__ == "__main__":
DynamiCrafterUI().run()