enhancement: bump audio format to m4a (mp3 deprecated)

cli.py

@@ -2,7 +2,7 @@ from argparse import ArgumentParser
 from utils.download_video import download_video
 from utils.transcriber import transcriber
 from utils.subtitler import subtitler
-from utils.convert_mp4_to_mp3 import convert_mp4_to_mp3
+from utils.convert_video_to_audio import convert_video_to_audio
 import logging, os
 from tqdm import tqdm
 
@@ -28,8 +28,8 @@ def main(video_url:str,
         if video_url != None:
             INVIDEO_PATH = download_video(video_url, INVIDEO_DIR, invideo_filename)
             pbar.update(25)
-            INAUDIO_PATH = os.path.join(INVIDEO_DIR, f"{invideo_filename}.mp3")
-            convert_mp4_to_mp3(INVIDEO_PATH,INAUDIO_PATH)
+            INAUDIO_PATH = os.path.join(INVIDEO_DIR, f"{invideo_filename}.m4a")
+            convert_video_to_audio(INVIDEO_PATH,INAUDIO_PATH)
             pbar.update(25)
             if not os.path.exists(SRT_PATH):
                 transcriber(INAUDIO_PATH, SRT_PATH, max_words_per_line)
@@ -38,9 +38,9 @@ def main(video_url:str,
             pbar.update(25)
             return
         INVIDEO_PATH = os.path.join(INVIDEO_DIR, f"{invideo_filename}.mp4")
-        INAUDIO_PATH = os.path.join(INVIDEO_DIR, f"{invideo_filename}.mp3")
+        INAUDIO_PATH = os.path.join(INVIDEO_DIR, f"{invideo_filename}.m4a")
         if not os.path.exists(INAUDIO_PATH):
-            convert_mp4_to_mp3(INVIDEO_PATH,INAUDIO_PATH)
+            convert_video_to_audio(INVIDEO_PATH,INAUDIO_PATH)
         pbar.update(50)
         if not os.path.exists(SRT_PATH):
             transcriber(INAUDIO_PATH, SRT_PATH, max_words_per_line)

utils/{convert_mp4_to_mp3.py → convert_video_to_audio.py}

@@ -1,16 +1,16 @@
 from moviepy.editor import VideoFileClip
 
-def convert_mp4_to_mp3(mp4_file_path, mp3_file_path):
+def convert_video_to_audio(mp4_file_path, m4a_file_path):
     # Load the video file
     video_clip = VideoFileClip(mp4_file_path)
 
     # Extract the audio from the video clip
     audio_clip = video_clip.audio
 
-    # Save the audio clip as an MP3 file
-    audio_clip.write_audiofile(mp3_file_path)
+    # Save the audio clip as an m4a file
+    audio_clip.write_audiofile(m4a_file_path, codec='aac')
 
     # Close the clips
     audio_clip.close()
     video_clip.close()
-    return mp3_file_path
+    return m4a_file_path

utils/process_video.py

@@ -26,7 +26,7 @@ def process_video(invideo_filename:str,
         subtitler(invideo_filename, srt_path, OUTVIDEO_PATH, fontsize, font, bg_color, text_color)
         return OUTVIDEO_PATH
     logging.info("Converting Video to Audio")
-    INAUDIO_PATH = os.path.abspath(f"{invideo_filename.split('.')[0]}.mp3")
+    INAUDIO_PATH = os.path.abspath(f"{invideo_filename.split('.')[0]}.m4a")
     if not os.path.exists(INAUDIO_PATH):
         convert_mp4_to_mp3(invideo_filename, INAUDIO_PATH)
     SRT_PATH = os.path.abspath(f"{invideo_filename.split('.')[0]}.srt")