[CRASH] audioinput and audiooutput examples crash when no devices are

available.

Task-number:QTBUG-7783
Reviewed-by:Justin McPherson

2 files changed, 6 insertions, 0 deletions

diff --git a/examples/multimedia/audioinput/audioinput.cpp b/examples/multimedia/audioinput/audioinput.cpp
index 8cc9948214..fbf4dc47e3 100644
--- a/examples/multimedia/audioinput/audioinput.cpp
+++ b/examples/multimedia/audioinput/audioinput.cpp
@@ -213,6 +213,9 @@ InputTest::InputTest()
 
     if(format.sampleSize() != 16) {
         qWarning()<<"audio device doesn't support 16 bit samples, example cannot run";
+        audioInput = 0;
+        button->setDisabled(true);
+        button2->setDisabled(true);
         return;
     }
 
diff --git a/examples/multimedia/audiooutput/audiooutput.cpp b/examples/multimedia/audiooutput/audiooutput.cpp
index 0c57f4dd21..b44accdf14 100644
--- a/examples/multimedia/audiooutput/audiooutput.cpp
+++ b/examples/multimedia/audiooutput/audiooutput.cpp
@@ -179,6 +179,9 @@ AudioTest::AudioTest()
 
     if(settings.sampleSize() != 16) {
         qWarning()<<"audio device doesn't support 16 bit samples, example cannot run";
+        button->setDisabled(true);
+        button2->setDisabled(true);
+        audioOutput = 0;
         return;
     }