Fix up max lengths to save memory

codes/models/gpt_voice/gpt_audio_segmentor.py

@@ -66,6 +66,9 @@ class GptSegmentor(nn.Module):
         self.stop_head = nn.Linear(model_dim, 1)
 
     def forward(self, mel_inputs, mel_lengths):
+        max_len = mel_lengths.max()  # This can be done in the dataset layer, but it is easier to do here.
+        mel_inputs = mel_inputs[:, :, :max_len]
+
         mel_emb = self.mel_encoder(mel_inputs)
         mel_lengths = mel_lengths // 4  # The encoder decimates the mel by a factor of 4.
         mel_emb = mel_emb.permute(0,2,1).contiguous()