From c150552b9c2259cec9a820248b7899ae8d1b2bf4 Mon Sep 17 00:00:00 2001
From: "Dr. Chat" <arkolbed@gmail.com>
Date: Fri, 25 Sep 2015 18:40:49 -0500
Subject: [PATCH] Quick-kill processing the XMA context if there's no new data
 available.

---
 src/xenia/apu/xma_context.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/xenia/apu/xma_context.cc b/src/xenia/apu/xma_context.cc
index bb615045d..0eeaec4cd 100644
--- a/src/xenia/apu/xma_context.cc
+++ b/src/xenia/apu/xma_context.cc
@@ -294,6 +294,11 @@ void XmaContext::DecodePackets(XMA_CONTEXT_DATA* data) {
     return;
   }
 
+  // No available data.
+  if (!data->input_buffer_0_valid && !data->input_buffer_1_valid) {
+    return;
+  }
+
   assert_zero(data->unk_dword_9);
 
   // XAudio Loops