From 5a0e49369da7ac04c9bd9eb089a4b001f6a13278 Mon Sep 17 00:00:00 2001
From: Yoann Lopes <yoann.lopes@digia.com>
Date: Wed, 21 May 2014 12:47:03 +0200
Subject: [PATCH] OpenSL: don't try to enqueue new buffers when the buffer
 queue is full.

It could lead to corrupted sound since we were overwritting buffers
that weren't played yet.

Task-number: QTBUG-39015
Change-Id: I4c015c5383b813955998145d6316acc8c22f19a3
Reviewed-by: jian liang <jianliang79@gmail.com>
Reviewed-by: Christian Stromme <christian.stromme@digia.com>
---
 src/plugins/opensles/qopenslesaudiooutput.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/opensles/qopenslesaudiooutput.cpp b/src/plugins/opensles/qopenslesaudiooutput.cpp
index df91e6f..49bea0b 100644
--- a/src/plugins/opensles/qopenslesaudiooutput.cpp
+++ b/src/plugins/opensles/qopenslesaudiooutput.cpp
@@ -568,7 +568,7 @@ void QOpenSLESAudioOutput::destroyPlayer()
 
 qint64 QOpenSLESAudioOutput::writeData(const char *data, qint64 len)
 {
-    if (!len)
+    if (!len || !m_availableBuffers.load())
         return 0;
 
     if (len > m_bufferSize)
-- 
2.7.4