app.py

import os
import torch
import sys
import spaces #fixme

import random
import gradio as gr
import random
from configs.infer_config import get_parser
from huggingface_hub import hf_hub_download

traj_examples = [
    ['0 40', '0 0', '0 0'],
    ['0 -35', '0 0', '0 -0.1'],
    ['0 -3 -15 -20 -17 -5 0', '0 -2 -5 -10 -8 -5 0 2 5 3 0', '0 0'],
    ['0 3 10 20 17 10 0', '0 -2 -8 -6 0 2 5 3 0', '0 -0.02 -0.09 -0.16 -0.09 0'],
    ['0 30', '0 -1 -5 -4 0 1 5 4 0', '0 -0.2'],
]

img_examples = [
    ['test/images/boy.png',0,1],
    ['test/images/car.jpeg',5,1],
    ['test/images/fruit.jpg',5,1],
    ['test/images/room.png',10,1],
    ['test/images/castle.png',-4,1],
]

max_seed = 2 ** 31

def download_model():
    REPO_ID = 'Drexubery/ViewCrafter_25'
    filename_list = ['model.ckpt']
    for filename in filename_list:
        local_file = os.path.join('./checkpoints/', filename)
        if not os.path.exists(local_file):
            hf_hub_download(repo_id=REPO_ID, filename=filename, local_dir='./checkpoints/', force_download=True)
    
download_model() #fixme
parser = get_parser() # infer_config.py
opts = parser.parse_args() # default device: 'cuda:0'
tmp = str(random.randint(10**(5-1), 10**5 - 1))
opts.save_dir = f'./{tmp}'
os.makedirs(opts.save_dir,exist_ok=True)
test_tensor = torch.Tensor([0]).cuda()
opts.device = str(test_tensor.device)
opts.config = './configs/inference_pvd_1024_gradio.yaml' #fixme
# opts.config = './configs/inference_pvd_1024_local.yaml' #fixme

# install pytorch3d # fixme
pyt_version_str=torch.__version__.split("+")[0].replace(".", "")
version_str="".join([
    f"py3{sys.version_info.minor}_cu",
    torch.version.cuda.replace(".",""),
    f"_pyt{pyt_version_str}"
])
print(version_str)
os.system(f"{sys.executable} -m pip install --no-index --no-cache-dir pytorch3d -f https://dl.fbaipublicfiles.com/pytorch3d/packaging/wheels/{version_str}/download.html")
os.system("mkdir -p checkpoints/ && wget https://download.europe.naverlabs.com/ComputerVision/DUSt3R/DUSt3R_ViTLarge_BaseDecoder_512_dpt.pth -P checkpoints/")
print(f'>>> System info: {version_str}')


from viewcrafter import ViewCrafter


def viewcrafter_demo(opts):
    css = """#input_img {max-width: 1024px !important} #output_vid {max-width: 1024px; max-height:576px} #random_button {max-width: 100px !important}"""
    image2video = ViewCrafter(opts, gradio = True)
    image2video.run_traj = spaces.GPU(image2video.run_traj, duration=50) # fixme
    image2video.run_gen = spaces.GPU(image2video.run_gen, duration=260) # fixme
    with gr.Blocks(analytics_enabled=False, css=css) as viewcrafter_iface:
        gr.Markdown("<div align='center'> <h1> ViewCrafter: Taming Video Diffusion Models for High-fidelity Novel View Synthesis </span> </h1> \
                      <h2 style='font-weight: 450; font-size: 1rem; margin: 0rem'>\
                        <a href='https://scholar.google.com/citations?user=UOE8-qsAAAAJ&hl=zh-CN'>Wangbo Yu</a>, \
                        <a href='https://doubiiu.github.io/'>Jinbo Xing</a>, <a href=''>Li Yuan</a>, \
                        <a href='https://wbhu.github.io/'>Wenbo Hu</a>, <a href='https://xiaoyu258.github.io/'>Xiaoyu Li</a>,\
                        <a href=''>Zhipeng Huang</a>, <a href='https://scholar.google.com/citations?user=qgdesEcAAAAJ&hl=en/'>Xiangjun Gao</a>,\
                        <a href='https://www.cse.cuhk.edu.hk/~ttwong/myself.html/'>Tien-Tsin Wong</a>,\
                        <a href='https://scholar.google.com/citations?hl=en&user=4oXBp9UAAAAJ&view_op=list_works&sortby=pubdate/'>Ying Shan</a>\
                        <a href=''>Yonghong Tian</a>\
                    </h2> \
                     <a style='font-size:18px;color: #000000' href='https://arxiv.org/abs/2409.02048'> [ArXiv] </a>\
                     <a style='font-size:18px;color: #000000' href='https://drexubery.github.io/ViewCrafter/'> [Project Page] </a>\
                     <a style='font-size:18px;color: #FF5DB0' href='https://github.com/Drexubery/ViewCrafter'> [Github] </a>\
                     <a style='font-size:18px;color: #000000' href='https://www.youtube.com/watch?v=WGIEmu9eXmU'> [Video] </a> </div>")


        with gr.Column():
            # step 0: tutorial
            gr.Markdown("## Step 0: Read tutorial", show_label=False)
            gr.Markdown("<div align='left' style='font-size:18px;color: #000000'>Please refer to the tutorial <a href='https://github.com/Drexubery/ViewCrafter/blob/main/docs/gradio_tutorial.md' target='_blank'>here</a> for best practice, which includes the cameara system defination and the renderer parameters.</div>")

            # step 2: input an image
            gr.Markdown("---\n## Step 1: Input an Image, selet an elevation angle and a center_scale factor", show_label=False, visible=True)
            gr.Markdown("<div align='left' style='font-size:18px;color: #000000'>1. Estimate an elevation angle  that represents the angle at which the image was taken; a value bigger than 0 indicates a top-down view, and it doesn't need to be precise. <br>2. The origin of the world coordinate system is by default defined at the point cloud corresponding to the center pixel of the input image. You can adjust the position of the origin by modifying center_scale; a value smaller than 1 brings the origin closer to you.</div>")
            with gr.Row(equal_height=True):
                with gr.Column(scale=2):
                    with gr.Row():
                        i2v_input_image = gr.Image(label="Input Image",elem_id="input_img")
                    with gr.Row():
                        i2v_elevation = gr.Slider(minimum=-45, maximum=45, step=1, elem_id="elevation", label="elevation", value=5)
                        i2v_center_scale = gr.Slider(minimum=0.1, maximum=2, step=0.1, elem_id="i2v_center_scale", label="center_scale", value=1)
            gr.Examples(examples=img_examples,
                        inputs=[i2v_input_image,i2v_elevation,i2v_center_scale],
                        examples_per_page=6
            )
            # step 2 - camera trajectory generation
            gr.Markdown("---\n## Step 2: Input camera trajectory", show_label=False, visible=True)
            gr.Markdown("<div align='left' style='font-size:18px;color: #000000'> Input a d_phi sequence, a d_theta sequence, and a d_r sequence to generate a camera trajectory. In the sequences, a positive d_phi moves the camera to the right, a negative d_theta moves the camera up, and a negative d_r moves the camera forward. Ensure that each sequence starts with 0 and contains at least two elements (a start and an end). If you upload a new image, remember to conduct this step again. </div>")
            with gr.Row():
                with gr.Column():
                    # camera_mode = gr.Radio(choices=CAMERA_MOTION_MODE, value=CAMERA_MOTION_MODE[0], label="Camera Motion Control Mode", interactive=True, visible=False)
                    i2v_d_phi = gr.Text(label='d_phi sequence')
                    i2v_d_theta = gr.Text(label='d_theta sequence')
                    i2v_d_r = gr.Text(label='d_r sequence')
                    i2v_start_btn = gr.Button("Generate trajectory")
                    # camera_info = gr.Button(value="Proceed", visible=False)      
                with gr.Column():
                    i2v_traj_video = gr.Video(label="Camera Trajectory",elem_id="traj_vid",autoplay=True,show_share_button=True)          
            gr.Examples(examples=traj_examples,
                        inputs=[i2v_d_phi, i2v_d_theta, i2v_d_r],
            )

            # step 3 - Generate video
            gr.Markdown("---\n## Step 3: Generate video", show_label=False, visible=True)
            gr.Markdown("<div align='left' style='font-size:18px;color: #000000'> You can reduce the sampling steps for faster inference; try different random seed if the result is not satisfying. </div>")
            with gr.Row():
                with gr.Column():
                    i2v_steps = gr.Slider(minimum=1, maximum=50, step=1, elem_id="i2v_steps", label="Sampling steps", value=50)
                    i2v_seed = gr.Slider(label='Random seed', minimum=0, maximum=max_seed, step=1, value=0)
                    i2v_end_btn = gr.Button("Generate video")
                    # with gr.Tab(label='Result'):
                with gr.Column():
                    i2v_output_video = gr.Video(label="Generated Video",elem_id="output_vid",autoplay=True,show_share_button=True)



        i2v_start_btn.click(inputs=[i2v_input_image, i2v_elevation, i2v_center_scale, i2v_d_phi, i2v_d_theta, i2v_d_r],
                        outputs=[i2v_traj_video],
                        fn = image2video.run_traj
        )
        
        i2v_end_btn.click(inputs=[i2v_steps, i2v_seed],
                        outputs=[i2v_output_video],
                        fn = image2video.run_gen
        )

    return viewcrafter_iface


viewcrafter_iface = viewcrafter_demo(opts)
viewcrafter_iface.queue(max_size=10)
viewcrafter_iface.launch() #fixme
# viewcrafter_iface.launch(server_name='11.220.92.96', server_port=80, max_threads=10,debug=False)