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from pathlib import Path
import os
from moviepy import VideoFileClip, AudioFileClip
from moviepy.audio.fx import AudioLoop
def merge_audio_video(
audio_path: str | Path,
video_path: str | Path,
target_path: str | Path,
backend: str = "moviepy",
logging: bool = False
):
"""
Merge audio and video into a single file.
Args:
audio_path (str | Path): Path to the audio file.
video_path (str | Path): Path to the video file.
target_path (str | Path): Path to the target file.
backend (str, optional): The backend to use for merging. Defaults to "moviepy".
"""
assert backend in [
"moviepy", "ffmpeg"
], "Backend should be moviepy or ffmpeg"
if backend == "moviepy":
video = VideoFileClip(video_path.__str__())
audio = AudioFileClip(audio_path.__str__())
video = video.with_audio(audio)
target_path = Path(target_path)
video.write_videofile(
target_path,
logger=None if not logging else "bar",
threads=8,
preset="ultrafast",
ffmpeg_params=["-crf", "23"]
)
else:
logging_arg = "" if logging else "-loglevel quiet"
command = f"ffmpeg {logging_arg} -i '{video_path.__str__()}' -i '{audio_path.__str__()}' -c:v copy " \
f"-c:a copy -map 0:v:0 -map 1:a:0 '{target_path.__str__()}'"
os.system(command)
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