Add an enumerate method to the sound output interface

apps/openmw/mwsound/openal_output.cpp

@@ -358,6 +358,20 @@ void OpenAL_Sound::update(const float *pos)
 //
 // An OpenAL output device
 //
+std::vector<std::string> OpenAL_Output::enumerate()
+{
+    std::vector<std::string> devlist;
+    const ALCchar *devnames;
+
+    devnames = alcGetString(NULL, ALC_DEVICE_SPECIFIER);
+    while(devnames && *devnames)
+    {
+        devlist.push_back(devnames);
+        devnames += strlen(devnames)+1;
+    }
+    return devlist;
+}
+
 void OpenAL_Output::init(const std::string &devname)
 {
     if(mDevice || mContext)

apps/openmw/mwsound/openal_output.hpp

@@ -38,6 +38,7 @@ namespace MWSound
         ALuint getBuffer(const std::string &fname);
         void bufferFinished(ALuint buffer);
 
+        virtual std::vector<std::string> enumerate();
         virtual void init(const std::string &devname="");
         virtual void deinit();
 

apps/openmw/mwsound/sound_output.hpp

@@ -16,6 +16,7 @@ namespace MWSound
     {
         SoundManager &mManager;
 
+        virtual std::vector<std::string> enumerate() = 0;
         virtual void init(const std::string &devname="") = 0;
         virtual void deinit() = 0;
 

apps/openmw/mwsound/soundmanager.cpp

@@ -53,6 +53,12 @@ namespace MWSound
         try
         {
             mOutput.reset(new DEFAULT_OUTPUT(*this));
+
+            std::vector<std::string> names = mOutput->enumerate();
+            std::cout <<"Enumerated output devices:"<< std::endl;
+            for(size_t i = 0;i < names.size();i++)
+                std::cout <<"  "<<names[i]<< std::endl;
+
             mOutput->init();
         }
         catch(std::exception &e)