add video to audio conversion tutorial

Author: x4nth055

README.md

@@ -94,6 +94,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
     - [Asynchronous Tasks with Celery in Python](https://www.thepythoncode.com/article/async-tasks-with-celery-redis-and-flask-in-python). ([code](https://github.com/bassemmarji/flask_sync_async))
     - [How to Change Text Color in Python](https://www.thepythoncode.com/article/change-text-color-in-python). ([code](general/printing-in-colors))
     - [How to Create a Watchdog in Python](https://www.thepythoncode.com/article/create-a-watchdog-in-python). ([code](general/directory-watcher))
+    - [How to Extract Audio from Video in Python](https://www.thepythoncode.com/article/extract-audio-from-video-in-python). ([code](general/video-to-audio-converter))
 
 
 - ### [Web Scraping](https://www.thepythoncode.com/topic/web-scraping)

general/video-to-audio-converter/README.md

@@ -0,0 +1 @@
+# [How to Extract Audio from Video in Python](https://www.thepythoncode.com/article/extract-audio-from-video-in-python)

general/video-to-audio-converter/requirements.txt

@@ -0,0 +1 @@
+moviepy

general/video-to-audio-converter/video2audio_ffmpeg.py

@@ -0,0 +1,16 @@
+import subprocess
+import os
+import sys
+
+def convert_video_to_audio_ffmpeg(video_file, output_ext="mp3"):
+    """Converts video to audio directly using `ffmpeg` command
+    with the help of subprocess module"""
+    filename, ext = os.path.splitext(video_file)
+    subprocess.call(["ffmpeg", "-y", "-i", video_file, f"{filename}.{output_ext}"], 
+                    stdout=subprocess.DEVNULL,
+                    stderr=subprocess.STDOUT)
+
+
+if __name__ == "__main__":
+    vf = sys.argv[1]
+    convert_video_to_audio_ffmpeg(vf)

general/video-to-audio-converter/video2audio_moviepy.py

@@ -0,0 +1,16 @@
+import os
+import sys
+from moviepy.editor import VideoFileClip
+
+
+def convert_video_to_audio_moviepy(video_file, output_ext="mp3"):
+    """Converts video to audio using MoviePy library
+    that uses `ffmpeg` under the hood"""
+    filename, ext = os.path.splitext(video_file)
+    clip = VideoFileClip(video_file)
+    clip.audio.write_audiofile(f"{filename}.{output_ext}")
+
+
+if __name__ == "__main__":
+    vf = sys.argv[1]
+    convert_video_to_audio_moviepy(vf)