Update app.py

app.py

@@ -105,7 +105,7 @@ def text_to_audio(text, api_key, voice):
         audio_filename = tmpfile.name
 
     return audio_filename
-
+    
 def merge_audio_video(video_filename, audio_filename, output_filename, overlay_audio_path=None):
     try:
         video_clip = VideoFileClip(video_filename)
@@ -114,27 +114,26 @@ def merge_audio_video(video_filename, audio_filename, output_filename, overlay_a
         print(f"Error loading video or main audio clip: {e}")
         return None
 
-    # Start with the main audio clip
+    # Check if the audio is longer than the video
+    if main_audio_clip.duration > video_clip.duration:
+        # Calculate the number of times the video should be looped
+        loops_required = int(main_audio_clip.duration // video_clip.duration) + 1
+        video_clip = concatenate_videoclips([video_clip] * loops_required)
+        video_clip = video_clip.subclip(0, main_audio_clip.duration)  # Trim the looped video to match the audio's duration
+
     audio_clips = [main_audio_clip]
 
+    # Process overlay audio if exists
     if overlay_audio_path and os.path.exists(overlay_audio_path):
         try:
-            # Load the overlay audio clip
-            overlay_audio_clip = AudioFileClip(overlay_audio_path)
-            # Adjust the overlay audio clip's volume to 10%
-            overlay_audio_clip = overlay_audio_clip.volumex(0.1)
-            # Ensure the overlay audio clip matches the main audio clip's duration
+            overlay_audio_clip = AudioFileClip(overlay_audio_path).volumex(0.1)
             if overlay_audio_clip.duration > main_audio_clip.duration:
                 overlay_audio_clip = overlay_audio_clip.subclip(0, main_audio_clip.duration)
             audio_clips.append(overlay_audio_clip)
         except Exception as e:
             print(f"Error processing overlay audio clip: {e}")
-            # Optionally handle the error or continue without the overlay
 
-    # Combine the audio clips into a composite
     composite_audio_clip = CompositeAudioClip(audio_clips)
-
-    # Set the video's audio to the composite audio clip and write the output file
     final_clip = video_clip.set_audio(composite_audio_clip)
     final_clip.write_videofile(output_filename, codec='libx264', audio_codec="aac")
 
@@ -144,7 +143,46 @@ def merge_audio_video(video_filename, audio_filename, output_filename, overlay_a
     if 'overlay_audio_clip' in locals():
         overlay_audio_clip.close()
 
-    return output_filename    
+    return output_filename
+# def merge_audio_video(video_filename, audio_filename, output_filename, overlay_audio_path=None):
+#     try:
+#         video_clip = VideoFileClip(video_filename)
+#         main_audio_clip = AudioFileClip(audio_filename)
+#     except Exception as e:
+#         print(f"Error loading video or main audio clip: {e}")
+#         return None
+
+#     # Start with the main audio clip
+#     audio_clips = [main_audio_clip]
+
+#     if overlay_audio_path and os.path.exists(overlay_audio_path):
+#         try:
+#             # Load the overlay audio clip
+#             overlay_audio_clip = AudioFileClip(overlay_audio_path)
+#             # Adjust the overlay audio clip's volume to 10%
+#             overlay_audio_clip = overlay_audio_clip.volumex(0.1)
+#             # Ensure the overlay audio clip matches the main audio clip's duration
+#             if overlay_audio_clip.duration > main_audio_clip.duration:
+#                 overlay_audio_clip = overlay_audio_clip.subclip(0, main_audio_clip.duration)
+#             audio_clips.append(overlay_audio_clip)
+#         except Exception as e:
+#             print(f"Error processing overlay audio clip: {e}")
+#             # Optionally handle the error or continue without the overlay
+
+#     # Combine the audio clips into a composite
+#     composite_audio_clip = CompositeAudioClip(audio_clips)
+
+#     # Set the video's audio to the composite audio clip and write the output file
+#     final_clip = video_clip.set_audio(composite_audio_clip)
+#     final_clip.write_videofile(output_filename, codec='libx264', audio_codec="aac")
+
+#     # Cleanup
+#     video_clip.close()
+#     main_audio_clip.close()
+#     if 'overlay_audio_clip' in locals():
+#         overlay_audio_clip.close()
+
+#     return output_filename    
 
 def save_temporary_audio_file(uploaded_file):
     with tempfile.NamedTemporaryFile(delete=False, suffix=".wav") as tmpfile: