You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
144 lines
6.4 KiB
144 lines
6.4 KiB
import json
|
|
import random
|
|
import re
|
|
from pathlib import Path
|
|
from random import randrange
|
|
from typing import Any, Tuple,Dict
|
|
|
|
from moviepy.editor import VideoFileClip,AudioFileClip,afx
|
|
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
|
|
|
|
def load_background_options():
|
|
background_options = {}
|
|
# Load background videos
|
|
with open("./utils/background_videos.json") as json_file:
|
|
background_options["video"] = json.load(json_file)
|
|
|
|
# Load background audios
|
|
with open("./utils/background_audios.json") as json_file:
|
|
background_options["audio"] = json.load(json_file)
|
|
|
|
# Remove "__comment" from backgrounds
|
|
background_options["video"].pop("__comment", None)
|
|
background_options["audio"].pop("__comment", None)
|
|
|
|
# Add position lambda function
|
|
# (https://zulko.github.io/moviepy/ref/VideoClip/VideoClip.html#moviepy.video.VideoClip.VideoClip.set_position)
|
|
for name in list(background_options["video"].keys()):
|
|
pos = background_options["video"][name][3]
|
|
|
|
if pos != "center":
|
|
background_options["video"][name][3] = lambda t: ("center", pos + t)
|
|
|
|
return background_options
|
|
|
|
|
|
|
|
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(mode: str):
|
|
"""Fetch the background/s configuration"""
|
|
try:
|
|
choice = str(
|
|
settings.config["settings"]["background"][f"background_{mode}"]
|
|
).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 not choice or choice not in background_options[mode]:
|
|
choice = random.choice(list(background_options[mode].keys()))
|
|
|
|
return background_options[mode][choice]
|
|
|
|
def download_background_video(background_config: Tuple[str, str, str, Any]):
|
|
"""Downloads the background/s video from YouTube."""
|
|
Path("./assets/backgrounds/video/").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/video/{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/video", filename=f"{credit}-{filename}")
|
|
print_substep("Background video downloaded successfully! 🎉", style="bold green")
|
|
|
|
def download_background_audio(background_config: Tuple[str, str, str]):
|
|
"""Downloads the background/s audio from YouTube."""
|
|
Path("./assets/backgrounds/audio/").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/audio/{credit}-{filename}").is_file():
|
|
return
|
|
print_step(
|
|
"We need to download the backgrounds audio. they are fairly large but it's only done once. 😎"
|
|
)
|
|
print_substep("Downloading the backgrounds audio... please be patient 🙏 ")
|
|
print_substep(f"Downloading {filename} from {uri}")
|
|
YouTube(uri, on_progress_callback=on_progress).streams.filter(only_audio=True).first().download("assets/backgrounds/audio", filename=f"{credit}-{filename}")
|
|
print_substep("Background audio downloaded successfully! 🎉", style="bold green")
|
|
|
|
def chop_background(
|
|
background_config: Dict[str,Tuple[str, str, str, Any]], video_length: int, reddit_object: dict
|
|
):
|
|
"""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...✂️")
|
|
video_choice = f"{background_config['video'][2]}-{background_config['video'][1]}"
|
|
audio_choice = f"{background_config['audio'][2]}-{background_config['audio'][1]}"
|
|
id = re.sub(r"[^\w\s-]", "", reddit_object["thread_id"])
|
|
background_video = VideoFileClip(f"assets/backgrounds/video/{video_choice}")
|
|
background_audio = AudioFileClip(f"assets/backgrounds/audio/{audio_choice}")
|
|
start_time_video, end_time_video = get_start_and_end_times(video_length, background_video.duration)
|
|
start_time_audio, end_time_audio = get_start_and_end_times(video_length, background_audio.duration)
|
|
background_audio = background_audio.fx(afx.volumex,0.07)
|
|
background_audio = background_audio.subclip(start_time_audio,end_time_audio)
|
|
background_audio.write_audiofile(f"assets/temp/{id}/background.mp3")
|
|
background_video.set_audio(background_audio)
|
|
|
|
|
|
try:
|
|
ffmpeg_extract_subclip(
|
|
f"assets/backgrounds/video/{video_choice}",
|
|
start_time_video,
|
|
end_time_video,
|
|
targetname=f"assets/temp/{id}/background.mp4",
|
|
)
|
|
except (OSError, IOError): # ffmpeg issue see #348
|
|
print_substep("FFMPEG issue. Trying again...")
|
|
with VideoFileClip(f"assets/backgrounds/video/{video_choice}") as video:
|
|
new = video.subclip(start_time_video, end_time_video)
|
|
new.write_videofile(f"assets/temp/{id}/background.mp4")
|
|
print_substep("Background video chopped successfully!", style="bold green")
|
|
return background_config["video"][2]
|
|
|
|
# Create a tuple for downloads background (background_audio_options, background_video_options)
|
|
background_options = load_background_options() |