preperation for alsa support

Add IsOssAudio() to check, if we have an oss audio device. This is needed
for the coming alsa support.

2 files changed, 15 insertions, 0 deletions

diff --git a/dxr3interface.c b/dxr3interface.c
index 91d6601..c9a14b7 100644
--- a/dxr3interface.c
+++ b/dxr3interface.c
@@ -57,6 +57,20 @@ cDxr3Interface::~cDxr3Interface()
 }
 
 // audio
+bool cDxr3Interface::IsOssAudio() {
+
+    // try to open oss audio interface
+    int handle = Dxr3Open(DEV_DXR3_OSS, O_RDWR | O_NONBLOCK, false);
+
+    if (handle > -1) {
+        close(handle);
+        return true;
+    }
+
+    return false;
+}
+
+
 // ==================================
 //! set audio output to analog
 void cDxr3Interface::SetAudioAnalog()
diff --git a/dxr3interface.h b/dxr3interface.h
index 7229b55..04809c3 100644
--- a/dxr3interface.h
+++ b/dxr3interface.h
@@ -71,6 +71,7 @@ public:
     }
 
     // audio
+    bool IsOssAudio();
     void SetAudioAnalog();
     void SetAudioDigitalPCM();
     void SetAudioDigitalAC3();