generate.py

"""
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
"""

import os

from bs4 import BeautifulSoup
import re
import requests

import imageio
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.animation as animation
from skimage.transform import resize
from skimage import img_as_ubyte
import tqdm
import warnings
warnings.filterwarnings("ignore")

# PART 1: CLONE GIT REPO
print("Cloning repository...")
if not os.path.isdir("first-order-model"):
    os.system('git clone https://github.com/AliaksandrSiarohin/first-order-model "first-order-model"')
    
import sys
sys.path.append('first-order-model/')
    
import demo

def download_fille(url, filename):
    cs = 1024
    req = requests.get(url, stream=True, allow_redirects=True)
    with open(filename, 'wb') as f:
        prog = tqdm.tqdm(unit="B", total=int(req.headers['Content-Length'] ))
        for chunk in req.iter_content(chunk_size=cs): 
            if chunk: # filter out keep-alive new chunks
                prog.update(len(chunk))
                f.write(chunk)

def dl_srcs():
    #credit https://gist.github.com/gruber/249502
    urlregex = r"""(?xi)
    \b
    (                           # Capture 1: entire matched URL
    (?:
        [a-z][\w-]+:                # URL protocol and colon
        (?:
        /{1,3}                        # 1-3 slashes
        |                             #   or
        [a-z0-9%]                     # Single letter or digit or '%'
                                        # (Trying not to match e.g. "URI::Escape")
        )
        |                           #   or
        www\d{0,3}[.]               # "www.", "www1.", "www2." ... "www999."
        |                           #   or
        [a-z0-9.\-]+[.][a-z]{2,4}/  # looks like domain name followed by a slash
    )
    (?:                           # One or more:
        [^\s()<>]+                      # Run of non-space, non-()<>
        |                               #   or
        \(([^\s()<>]+|(\([^\s()<>]+\)))*\)  # balanced parens, up to 2 levels
    )+
    (?:                           # End with:
        \(([^\s()<>]+|(\([^\s()<>]+\)))*\)  # balanced parens, up to 2 levels
        |                                   #   or
        [^\s`!()\[\]{};:'".,<>?]        # not a space or one of these punct chars
    )
    )"""
    regex = re.compile(urlregex)

    url = "https://www.mediafire.com/file/o0wirp8aepbjy80/vox-cpk.pth.tar/file"
    s = requests.session()
    result = s.get(url)

    soup = BeautifulSoup(result.content, 'html.parser')

    div_tag = soup.find_all("div", class_="download_link")
    
    cpks_link = re.findall(regex, str(div_tag[0].contents))[0][0]

    src_vid_link = "https://cdn.discordapp.com/attachments/758371620531732531/759935503041560576/bakamitai_template.mp4"

    src_aud_link = "https://cdn.discordapp.com/attachments/758371620531732531/759696211157581844/dmdn.mp3"

    # CHECKPOINTS
    print("Downloading checkpoints...")
    if not os.path.isfile("vox-cpk.pth.tar"):
        download_fille(cpks_link, "vox-cpk.pth.tar")
    else:
        print("Checkpoints are already downloaded.")

    # TEMPLATE VIDEO
    print("Downloading template video...")
    if not os.path.isfile("bakamitai_template.mp4"):
        download_fille(src_vid_link, "bakamitai_template.mp4")
    else:
        print("Template is already downloaded.")
        
    # BAKA MITAI AUDIO
    print("Downloading Baka Mitai audio...")
    if not os.path.isfile("dmdn.mp3"):
        download_fille(src_aud_link, "dmdn.mp3")
    else:
        print("Baka Mitai audio is already downloaded.")
        
def gen_dpfk(no_nvidia_gpu):
    if no_nvidia_gpu:
        print("Using CPU for further calculations... (this will be much slower)")
    
    print("Reading template and input image...")

    source_image = imageio.imread('../input_image.png')
    driving_video = imageio.mimread('bakamitai_template.mp4')

    #Resize image and video to 256x256

    print("Resizing inputs...")

    source_image = resize(source_image, (256, 256))[..., :3]
    driving_video = [resize(frame, (256, 256))[..., :3] for frame in driving_video]

    print("Generating video... (this may take a while)")

    generator, kp_detector = demo.load_checkpoints(config_path='first-order-model/config/vox-256.yaml', checkpoint_path='vox-cpk.pth.tar', cpu=no_nvidia_gpu)

    predictions = demo.make_animation(source_image, driving_video, generator, kp_detector, relative=True, cpu=no_nvidia_gpu)

    print("Saving video...")

    imageio.mimsave('generated.mp4', [img_as_ubyte(frame) for frame in predictions])
    
if not os.path.isfile("generated.mp4"):
    no_nvidia_gpu = input("Is an Nvidia GPU present? y/N: ").strip().lower() == 'n'
    
    # PART 2: GET CHECKPOINTS FROM MEDIAFIRE
    print("Downloading source media...")
    dl_srcs()

    # PART 3: GENERATE BAKA MITAI DEEPFAKE
    print("Generating deepfake...")
    gen_dpfk(no_nvidia_gpu)
else:
    print("File named 'generated.mp4' already exists. Continuing.")

print("Adding Baka Mitai audio...")
#speed up 3x while keeping frames and add audio
os.system("""ffmpeg -hide_banner -loglevel error -y -i generated.mp4 -i dmdn.mp3 -filter_complex "fps=60, setpts=1/3*PTS[v]" -map [v] -map 1:a:0 ../result.mp4""")

print("Done.")