feat: add audio conversion length limit

app_multi.py

@@ -1,10 +1,8 @@
 from typing import Union
 
-from argparse import ArgumentParser
-
 import asyncio
 import json
-from os import path
+from os import path, getenv
 
 import gradio as gr
 
@@ -24,6 +22,10 @@ from infer_pack.models import (
 from vc_infer_pipeline import VC
 
 
+# Reference: https://huggingface.co/spaces/zomehwh/rvc-models/blob/main/app.py#L21  # noqa
+in_hf_space = getenv('SYSTEM') == 'spaces'
+
+
 app_css = '''
 #model_info img {
     max-width: 100px;
@@ -113,6 +115,11 @@ def vc_func(input_audio, model_index, pitch_adjust, f0_method, feat_ratio):
 
     # Reference: so-vits
     (audio_samp, audio_npy) = input_audio
+
+    # https://huggingface.co/spaces/zomehwh/rvc-models/blob/main/app.py#L49
+    if (audio_npy.shape[0] / audio_samp) > 30 and in_hf_space:
+        return (None, 'Input audio is longer than 30 secs.')
+
     # Bloody hell: https://stackoverflow.com/questions/26921836/
     if audio_npy.dtype != np.float32:  # :thonk:
         audio_npy = (