Update app.py

app.py

@@ -121,7 +121,7 @@ def get_video_duration(video_path):
 
 
 def extend_video_simple(video_path, audio_path, output_path):
-    # Get durations dynamically
+    """Extends video duration by appending a reversed version if audio is longer."""
     audio_duration = librosa.get_duration(path=audio_path)
     video_duration = get_video_duration(video_path)
 
@@ -132,7 +132,8 @@ def extend_video_simple(video_path, audio_path, output_path):
         print("Extending video by adding reversed version.")
 
         # Create a reversed version of the full video
-        reversed_clip = "reversed.mp4"
+        reversed_clip = tempfile.NamedTemporaryFile(dir=TEMP_DIR.name, delete=False, suffix=".mp4").name
+        
         subprocess.run(
             f"ffmpeg -y -i {video_path} -vf reverse -an {reversed_clip}", shell=True
         )
@@ -142,7 +143,6 @@ def extend_video_simple(video_path, audio_path, output_path):
             f"ffmpeg -y -i {video_path} -i {reversed_clip} -filter_complex \"[0:v:0][1:v:0]concat=n=2:v=1[outv]\" -map \"[outv]\" -an {output_path}",
             shell=True
         )
-
     else:
         print("Audio is not longer than video. No extension needed.")
         subprocess.run(f"cp {video_path} {output_path}", shell=True)
@@ -170,13 +170,14 @@ def generate_video():
         video_file.save(temp_video_path)
         print('temp_video_path',temp_video_path)
 
-    output_video = tempfile.NamedTemporaryFile(delete=False, suffix=".mp4").name
+    # output_video = tempfile.NamedTemporaryFile(delete=False, suffix=".mp4").name
  
     # You can pass additional parameters via form data if needed (e.g., checkpoint path)
     inference_ckpt_path = request.form.get('inference_ckpt_path', 'checkpoints/latentsync_unet.pt')
     unet_config_path = request.form.get('unet_config_path', 'configs/unet/second_stage.yaml')
 
-
+    output_video = tempfile.NamedTemporaryFile(dir=TEMP_DIR.name, delete=False, suffix=".mp4").name
+    
     extend_video_simple(temp_video_path, temp_audio_path, output_video)
    
     try: