Fix issues

app.py

@@ -6,6 +6,7 @@ from zipfile import ZipFile, ZIP_DEFLATED
 from shutil import rmtree
 from importlib.metadata import version
 
+import sphn
 import torch
 import sentry_sdk
 import gradio as gr
@@ -76,6 +77,18 @@ def inference_func(wav_file, min_sec, max_sec):
     n_files = 0
     duration_secs = 0
 
+    # Validate the file
+    try:
+        data, sr = sphn.read(wav_file)
+        duration = len(data[0]) / sr
+        if duration < 0.1:
+            raise gr.Error("The duration is too low")
+        n_channels = len(data)
+        if n_channels > 1:
+            raise gr.Error(f"Your file must be in the mono format. The file has {n_channels} channels.")
+    except Exception as e:
+        raise gr.Error(f"Can't read your file, the problem: {e}")
+
     # Rename the file
     old_wav_file = wav_file
     wav_file = "input.wav"