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import torch
import imageio
import os
import gradio as gr
import subprocess
from subprocess import getoutput
from diffusers.schedulers import EulerAncestralDiscreteScheduler
from transformers import T5EncoderModel, T5Tokenizer
from allegro.pipelines.pipeline_allegro import AllegroPipeline
from allegro.models.vae.vae_allegro import AllegroAutoencoderKL3D
from allegro.models.transformers.transformer_3d_allegro import AllegroTransformer3DModel
from huggingface_hub import snapshot_download
weights_dir = './allegro_weights'
os.makedirs(weights_dir, exist_ok=True)
is_shared_ui = True if "fffiloni/allegro-t2v" in os.environ['SPACE_ID'] else False
is_gpu_associated = torch.cuda.is_available()
if not is_shared_ui:
snapshot_download(
repo_id='rhymes-ai/Allegro',
allow_patterns=[
'scheduler/**',
'text_encoder/**',
'tokenizer/**',
'transformer/**',
'vae/**',
],
local_dir=weights_dir,
)
if is_gpu_associated:
gpu_info = getoutput('nvidia-smi')
def single_inference(user_prompt, save_path, guidance_scale, num_sampling_steps, seed, enable_cpu_offload):
dtype = torch.bfloat16
# Load models
vae = AllegroAutoencoderKL3D.from_pretrained(
"./allegro_weights/vae/",
torch_dtype=torch.float32
).cuda()
vae.eval()
text_encoder = T5EncoderModel.from_pretrained("./allegro_weights/text_encoder/", torch_dtype=dtype)
text_encoder.eval()
tokenizer = T5Tokenizer.from_pretrained("./allegro_weights/tokenizer/")
scheduler = EulerAncestralDiscreteScheduler()
transformer = AllegroTransformer3DModel.from_pretrained("./allegro_weights/transformer/", torch_dtype=dtype).cuda()
transformer.eval()
allegro_pipeline = AllegroPipeline(
vae=vae,
text_encoder=text_encoder,
tokenizer=tokenizer,
scheduler=scheduler,
transformer=transformer
).to("cuda:0")
positive_prompt = """
(masterpiece), (best quality), (ultra-detailed), (unwatermarked),
{}
emotional, harmonious, vignette, 4k epic detailed, shot on kodak, 35mm photo,
sharp focus, high budget, cinemascope, moody, epic, gorgeous
"""
negative_prompt = """
nsfw, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality,
low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry.
"""
# Process user prompt
user_prompt = positive_prompt.format(user_prompt.lower().strip())
if enable_cpu_offload:
allegro_pipeline.enable_sequential_cpu_offload()
out_video = allegro_pipeline(
user_prompt,
negative_prompt=negative_prompt,
num_frames=88,
height=720,
width=1280,
num_inference_steps=num_sampling_steps,
guidance_scale=guidance_scale,
max_sequence_length=512,
generator=torch.Generator(device="cuda:0").manual_seed(seed)
).video[0]
# Save video
os.makedirs(os.path.dirname(save_path), exist_ok=True)
imageio.mimwrite(save_path, out_video, fps=15, quality=8)
return save_path
# Gradio interface function
def run_inference(user_prompt, guidance_scale, num_sampling_steps, seed, enable_cpu_offload, progress=gr.Progress(track_tqdm=True)):
save_path = "./output_videos/generated_video.mp4"
result_path = single_inference(user_prompt, save_path, guidance_scale, num_sampling_steps, seed, enable_cpu_offload)
return result_path
css="""
div#col-container{
margin: 0 auto;
max-width: 800px;
}
div#warning-ready {
background-color: #ecfdf5;
padding: 0 16px 16px;
margin: 20px 0;
color: #030303!important;
}
div#warning-ready > .gr-prose > h2, div#warning-ready > .gr-prose > p {
color: #057857!important;
}
div#warning-duplicate {
background-color: #ebf5ff;
padding: 0 16px 16px;
margin: 20px 0;
color: #030303!important;
}
div#warning-duplicate > .gr-prose > h2, div#warning-duplicate > .gr-prose > p {
color: #0f4592!important;
}
div#warning-duplicate strong {
color: #0f4592;
}
p.actions {
display: flex;
align-items: center;
margin: 20px 0;
}
div#warning-duplicate .actions a {
display: inline-block;
margin-right: 10px;
}
div#warning-setgpu {
background-color: #fff4eb;
padding: 0 16px 16px;
margin: 20px 0;
color: #030303!important;
}
div#warning-setgpu > .gr-prose > h2, div#warning-setgpu > .gr-prose > p {
color: #92220f!important;
}
div#warning-setgpu a, div#warning-setgpu b {
color: #91230f;
}
div#warning-setgpu p.actions > a {
display: inline-block;
background: #1f1f23;
border-radius: 40px;
padding: 6px 24px;
color: antiquewhite;
text-decoration: none;
font-weight: 600;
font-size: 1.2em;
}
div#warning-setsleeptime {
background-color: #fff4eb;
padding: 10px 10px;
margin: 0!important;
color: #030303!important;
}
.custom-color {
color: #030303 !important;
}
"""
# Create Gradio interface
with gr.Blocks(css=css) as demo:
with gr.Column(elem_id="col-container"):
gr.Markdown("# Allegro Video Generation")
gr.Markdown("Generate a video based on a text prompt using the Allegro pipeline.")
user_prompt=gr.Textbox(label="User Prompt")
with gr.Row():
guidance_scale=gr.Slider(minimum=0, maximum=20, step=0.1, label="Guidance Scale", value=7.5)
num_sampling_steps=gr.Slider(minimum=10, maximum=100, step=1, label="Number of Sampling Steps", value=20)
with gr.Row():
seed=gr.Slider(minimum=0, maximum=10000, step=1, label="Random Seed", value=42)
enable_cpu_offload=gr.Checkbox(label="Enable CPU Offload", value=False, scale=1)
if is_shared_ui:
top_description = gr.HTML(f'''
<div class="gr-prose">
<h2 class="custom-color"><svg xmlns="http://www.w3.org/2000/svg" width="18px" height="18px" style="margin-right: 0px;display: inline-block;"fill="none"><path fill="#fff" d="M7 13.2a6.3 6.3 0 0 0 4.4-10.7A6.3 6.3 0 0 0 .6 6.9 6.3 6.3 0 0 0 7 13.2Z"/><path fill="#fff" fill-rule="evenodd" d="M7 0a6.9 6.9 0 0 1 4.8 11.8A6.9 6.9 0 0 1 0 7 6.9 6.9 0 0 1 7 0Zm0 0v.7V0ZM0 7h.6H0Zm7 6.8v-.6.6ZM13.7 7h-.6.6ZM9.1 1.7c-.7-.3-1.4-.4-2.2-.4a5.6 5.6 0 0 0-4 1.6 5.6 5.6 0 0 0-1.6 4 5.6 5.6 0 0 0 1.6 4 5.6 5.6 0 0 0 4 1.7 5.6 5.6 0 0 0 4-1.7 5.6 5.6 0 0 0 1.7-4 5.6 5.6 0 0 0-1.7-4c-.5-.5-1.1-.9-1.8-1.2Z" clip-rule="evenodd"/><path fill="#000" fill-rule="evenodd" d="M7 2.9a.8.8 0 1 1 0 1.5A.8.8 0 0 1 7 3ZM5.8 5.7c0-.4.3-.6.6-.6h.7c.3 0 .6.2.6.6v3.7h.5a.6.6 0 0 1 0 1.3H6a.6.6 0 0 1 0-1.3h.4v-3a.6.6 0 0 1-.6-.7Z" clip-rule="evenodd"/></svg>
Attention: this Space need to be duplicated to work</h2>
<p class="main-message custom-color">
To make it work, <strong>duplicate the Space</strong> and run it on your own profile using a <strong>private</strong> GPU.<br />
You'll be able to offload the model into CPU for less GPU memory cost (about 9.3G, compared to 27.5G if CPU offload is not enabled), but the inference time will increase significantly.
</p>
<p class="actions custom-color">
<a href="https://huggingface.co/spaces/{os.environ['SPACE_ID']}?duplicate=true">
<img src="https://huggingface.co/datasets/huggingface/badges/resolve/main/duplicate-this-space-lg-dark.svg" alt="Duplicate this Space" />
</a>
</p>
</div>
''', elem_id="warning-duplicate")
submit_btn = gr.Button("Generate Video", visible=False)
else:
if(is_gpu_associated):
submit_btn = gr.Button("Generate Video", visible=True)
top_description = gr.HTML(f'''
<div class="gr-prose">
<h2 class="custom-color"><svg xmlns="http://www.w3.org/2000/svg" width="18px" height="18px" style="margin-right: 0px;display: inline-block;"fill="none"><path fill="#fff" d="M7 13.2a6.3 6.3 0 0 0 4.4-10.7A6.3 6.3 0 0 0 .6 6.9 6.3 6.3 0 0 0 7 13.2Z"/><path fill="#fff" fill-rule="evenodd" d="M7 0a6.9 6.9 0 0 1 4.8 11.8A6.9 6.9 0 0 1 0 7 6.9 6.9 0 0 1 7 0Zm0 0v.7V0ZM0 7h.6H0Zm7 6.8v-.6.6ZM13.7 7h-.6.6ZM9.1 1.7c-.7-.3-1.4-.4-2.2-.4a5.6 5.6 0 0 0-4 1.6 5.6 5.6 0 0 0-1.6 4 5.6 5.6 0 0 0 1.6 4 5.6 5.6 0 0 0 4 1.7 5.6 5.6 0 0 0 4-1.7 5.6 5.6 0 0 0 1.7-4 5.6 5.6 0 0 0-1.7-4c-.5-.5-1.1-.9-1.8-1.2Z" clip-rule="evenodd"/><path fill="#000" fill-rule="evenodd" d="M7 2.9a.8.8 0 1 1 0 1.5A.8.8 0 0 1 7 3ZM5.8 5.7c0-.4.3-.6.6-.6h.7c.3 0 .6.2.6.6v3.7h.5a.6.6 0 0 1 0 1.3H6a.6.6 0 0 1 0-1.3h.4v-3a.6.6 0 0 1-.6-.7Z" clip-rule="evenodd"/></svg>
You have successfully associated a GPU to this Space 🎉</h2>
<p class="custom-color">
You can now generate a video! You will be billed by the minute from when you activated the GPU until when it is turned off.
You can offload the model into CPU for less GPU memory cost (about 9.3G, compared to 27.5G if CPU offload is not enabled), but the inference time will increase significantly.
</p>
</div>
''', elem_id="warning-ready")
else:
top_description = gr.HTML(f'''
<div class="gr-prose">
<h2 class="custom-color"><svg xmlns="http://www.w3.org/2000/svg" width="18px" height="18px" style="margin-right: 0px;display: inline-block;"fill="none"><path fill="#fff" d="M7 13.2a6.3 6.3 0 0 0 4.4-10.7A6.3 6.3 0 0 0 .6 6.9 6.3 6.3 0 0 0 7 13.2Z"/><path fill="#fff" fill-rule="evenodd" d="M7 0a6.9 6.9 0 0 1 4.8 11.8A6.9 6.9 0 0 1 0 7 6.9 6.9 0 0 1 7 0Zm0 0v.7V0ZM0 7h.6H0Zm7 6.8v-.6.6ZM13.7 7h-.6.6ZM9.1 1.7c-.7-.3-1.4-.4-2.2-.4a5.6 5.6 0 0 0-4 1.6 5.6 5.6 0 0 0-1.6 4 5.6 5.6 0 0 0 1.6 4 5.6 5.6 0 0 0 4 1.7 5.6 5.6 0 0 0 4-1.7 5.6 5.6 0 0 0 1.7-4 5.6 5.6 0 0 0-1.7-4c-.5-.5-1.1-.9-1.8-1.2Z" clip-rule="evenodd"/><path fill="#000" fill-rule="evenodd" d="M7 2.9a.8.8 0 1 1 0 1.5A.8.8 0 0 1 7 3ZM5.8 5.7c0-.4.3-.6.6-.6h.7c.3 0 .6.2.6.6v3.7h.5a.6.6 0 0 1 0 1.3H6a.6.6 0 0 1 0-1.3h.4v-3a.6.6 0 0 1-.6-.7Z" clip-rule="evenodd"/></svg>
You have successfully duplicated the Allegro Video Generation Space 🎉</h2>
<p class="custom-color">There's only one step left before you can generate a video: we recommend to <a href="https://huggingface.co/spaces/{os.environ['SPACE_ID']}/settings" style="text-decoration: underline" target="_blank">attribute a L40S GPU</b> to it (via the Settings tab)</a>.
You will be billed by the minute from when you activate the GPU until when it is turned off.</p>
<p class="actions custom-color">
<a href="https://huggingface.co/spaces/{os.environ['SPACE_ID']}/settings">🔥 Set recommended GPU</a>
</p>
</div>
''', elem_id="warning-setgpu")
submit_btn = gr.Button("Generate Video", visible=False)
video_output=gr.Video(label="Generated Video")
submit_btn.click(
fn=run_inference,
inputs=[user_prompt, guidance_scale, num_sampling_steps, seed, enable_cpu_offload],
outputs=video_output
)
# Launch the interface
demo.launch(show_error=True, show_api=False)
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