add basic SetDigitalAudioDevice stub method

As analog audio is working with vdr-1.7 I will spend some time in
fixing the digital audio part (digital pcm and ac3). I will fully review
the digital audio code paths and I hope I can improve them.

4 files changed, 16 insertions, 1 deletions

diff --git a/dxr3audio.c b/dxr3audio.c
index e7e7cca..7cfbc50 100644
--- a/dxr3audio.c
+++ b/dxr3audio.c
@@ -29,6 +29,11 @@ const static int AUDIO_STEREO = 0;
 const static int AUDIO_MONO_LEFT = 1;
 const static int AUDIO_MONO_RIGHT = 2;
 
+iAudio::iAudio() : open(false), vol(0), audioChannel(0), digitalAudio(false)
+{
+    memset(&curContext, 0, sizeof(SampleContext));
+}
+
 void iAudio::changeVolume(int16_t* pcmbuf, size_t size)
 {
     if (vol == 0) {
diff --git a/dxr3audio.h b/dxr3audio.h
index dc087cd..e6039d9 100644
--- a/dxr3audio.h
+++ b/dxr3audio.h
@@ -37,7 +37,7 @@ public:
         Ac3,
     };
 
-    iAudio() : open(false), vol(0), audioChannel(0)  { memset(&curContext, 0, sizeof(SampleContext)); }
+    iAudio();
     virtual ~iAudio() {}
 
     virtual void openDevice() = 0;
@@ -52,6 +52,9 @@ public:
     void setAudioChannel(int channel)   { audioChannel = channel; }
     int getAudioChannel()               { return audioChannel; }
 
+    virtual void setDigitalAudio(bool on)   { digitalAudio = on; }
+    bool isDigitalAudio()                   { return digitalAudio; }
+
     virtual void setAudioMode(AudioMode m) = 0;
     AudioMode getAudioMode()            { return mode; }
 
@@ -62,6 +65,7 @@ protected:
     bool open;
     int vol;
     int audioChannel;
+    bool digitalAudio;
     SampleContext curContext;
     AudioMode mode;
 };
diff --git a/dxr3device.c b/dxr3device.c
index 24a2c25..81936b8 100644
--- a/dxr3device.c
+++ b/dxr3device.c
@@ -258,6 +258,11 @@ int cDxr3Device::GetAudioChannelDevice()
     return audioOut->getAudioChannel();
 }
 
+void cDxr3Device::SetDigitalAudioDevice(bool on)
+{
+    audioOut->setDigitalAudio(on);
+}
+
 // ==================================
 // get spudecoder
 cSpuDecoder *cDxr3Device::GetSpuDecoder()
diff --git a/dxr3device.h b/dxr3device.h
index b382910..6a775ad 100644
--- a/dxr3device.h
+++ b/dxr3device.h
@@ -68,6 +68,7 @@ public:
     virtual void SetVolumeDevice(int Volume);
     virtual void SetAudioChannelDevice(int AudioChannel);
     virtual int GetAudioChannelDevice();
+    virtual void SetDigitalAudioDevice(bool on);
 
     // osd
     virtual cSpuDecoder *GetSpuDecoder();