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RedditVideoMakerBot/video_creation/background.py

126 lines
4.8 KiB

from pathlib import Path
import random
from random import randrange
from typing import Any, Tuple
from moviepy.editor import VideoFileClip
from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
from pytube import YouTube
from pytube.cli import on_progress
from utils import settings
from utils.console import print_step, print_substep
# Supported Background. Can add/remove background video here....
# <key>-<value> : key -> used as keyword for TOML file. value -> background configuration
# Format (value):
# 1. Youtube URI
# 2. filename
# 3. Citation (owner of the video)
# 4. Position of image clips in the background. See moviepy reference for more information. (https://zulko.github.io/moviepy/ref/VideoClip/VideoClip.html#moviepy.video.VideoClip.VideoClip.set_position)
background_options = {
"motor-gta": ( # Motor-GTA Racing
"https://www.youtube.com/watch?v=vw5L4xCPy9Q",
"bike-parkour-gta.mp4",
"Achy Gaming",
lambda t: ("center", 480 + t),
),
"rocket-league": ( # Rocket League
"https://www.youtube.com/watch?v=2X9QGY__0II",
"rocket_league.mp4",
"Orbital Gameplay",
lambda t: ("center", 200 + t),
),
"minecraft": ( # Minecraft parkour
"https://www.youtube.com/watch?v=n_Dv4JMiwK8",
"parkour.mp4",
"bbswitzer",
"center",
),
"gta": ( # GTA Stunt Race
"https://www.youtube.com/watch?v=qGa9kWREOnE",
"gta-stunt-race.mp4",
"Achy Gaming",
lambda t: ("center", 480 + t),
),
}
def get_start_and_end_times(video_length: int, length_of_clip: int) -> Tuple[int, int]:
"""Generates a random interval of time to be used as the background of the video.
Args:
video_length (int): Length of the video
length_of_clip (int): Length of the video to be used as the background
Returns:
tuple[int,int]: Start and end time of the randomized interval
"""
random_time = randrange(180, int(length_of_clip) - int(video_length))
return random_time, random_time + video_length
def get_background_config():
"""Fetch the background/s configuration"""
try:
choice = str(settings.config["settings"]["background"]["background_choice"]).casefold()
except AttributeError:
print_substep("No background selected. Picking random background'")
choice = None
# Handle default / not supported background using default option.
# Default : pick random from supported background.
if choice not in background_options:
choice = random.choice(list(background_options.keys()))
return background_options[choice]
def download_background(background_config: Tuple[str, str, str, Any]):
"""Downloads the background/s video from YouTube."""
Path("./assets/backgrounds/").mkdir(parents=True, exist_ok=True)
# note: make sure the file name doesn't include an - in it
uri, filename, credit, _ = background_config
if Path(f"assets/backgrounds/{credit}-{filename}").is_file():
return
print_step(
"We need to download the backgrounds videos. they are fairly large but it's only done once. 😎"
)
print_substep("Downloading the backgrounds videos... please be patient 🙏 ")
print_substep(f"Downloading {filename} from {uri}")
YouTube(uri, on_progress_callback=on_progress).streams.filter(res="1080p").first().download(
"assets/backgrounds", filename=f"{credit}-{filename}"
)
print_substep("Background videos downloaded successfully! 🎉", style="bold green")
def chop_background_video(background_config: Tuple[str, str, str, Any], video_length: int):
"""Generates the background footage to be used in the video and writes it to assets/temp/background.mp4
Args:
background_config (Tuple[str, str, str, Any]) : Current background configuration
video_length (int): Length of the clip where the background footage is to be taken out of
"""
print_step("Finding a spot in the backgrounds video to chop...✂️")
choice = f"{background_config[2]}-{background_config[1]}"
background = VideoFileClip(f"assets/backgrounds/{choice}")
start_time, end_time = get_start_and_end_times(video_length, background.duration)
try:
ffmpeg_extract_subclip(
f"assets/backgrounds/{choice}",
start_time,
end_time,
targetname="assets/temp/background.mp4",
)
except (OSError, IOError): # ffmpeg issue see #348
print_substep("FFMPEG issue. Trying again...")
with VideoFileClip(f"assets/backgrounds/{choice}") as video:
new = video.subclip(start_time, end_time)
new.write_videofile("assets/temp/background.mp4")
print_substep("Background video chopped successfully!", style="bold green")
return background_config[2]