Merge pull request Plachtaa#54 from echonoshy/main

fix: last chunk crossfade dimension dismatch(Plachtaa#46)

Author: Plachtaa

app.py

@@ -131,7 +131,10 @@ def adjust_f0_semitones(f0_sequence, n_semitones):
 def crossfade(chunk1, chunk2, overlap):
     fade_out = np.cos(np.linspace(0, np.pi / 2, overlap)) ** 2
     fade_in = np.cos(np.linspace(np.pi / 2, 0, overlap)) ** 2
-    chunk2[:overlap] = chunk2[:overlap] * fade_in + chunk1[-overlap:] * fade_out
+    if len(chunk2) < overlap:
+        chunk2[:overlap] = chunk2[:overlap] * fade_in[:len(chunk2)] + (chunk1[-overlap:] * fade_out)[:len(chunk2)]
+    else:
+        chunk2[:overlap] = chunk2[:overlap] * fade_in + chunk1[-overlap:] * fade_out
     return chunk2
 
 # streaming and chunk processing related params