Add a skeleton decoder class using mpg123 and libsndfile

apps/openmw/CMakeLists.txt

@@ -38,7 +38,7 @@ add_openmw_dir (mwscript
     )
 
 add_openmw_dir (mwsound
-    soundmanager openal_output
+    soundmanager openal_output mpgsnd_decoder
     )
 
 add_openmw_dir (mwworld

apps/openmw/mwsound/mpgsnd_decoder.cpp

@@ -0,0 +1,29 @@
+#include "mpgsnd_decoder.hpp"
+
+
+namespace MWSound
+{
+
+bool MpgSnd_Decoder::Open(const std::string &fname)
+{
+    return false;
+}
+
+void MpgSnd_Decoder::Close()
+{
+}
+
+
+MpgSnd_Decoder::MpgSnd_Decoder()
+{
+    static bool initdone = false;
+    if(!initdone)
+        mpg123_init();
+    initdone = true;
+}
+
+MpgSnd_Decoder::~MpgSnd_Decoder()
+{
+}
+
+}

apps/openmw/mwsound/mpgsnd_decoder.hpp

@@ -0,0 +1,29 @@
+#ifndef GAME_SOUND_MPGSND_DECODER_H
+#define GAME_SOUND_MPGSND_DECODER_H
+
+#include <string>
+
+#include "mpg123.h"
+#include "sndfile.h"
+
+#include "sound_decoder.hpp"
+
+
+namespace MWSound
+{
+    class MpgSnd_Decoder : public Sound_Decoder
+    {
+        virtual bool Open(const std::string &fname);
+        virtual void Close();
+
+        MpgSnd_Decoder();
+        virtual ~MpgSnd_Decoder();
+
+        friend class SoundManager;
+    };
+#ifndef DEFAULT_DECODER
+#define DEFAULT_DECODER (::MWSound::MpgSnd_Decoder)
+#endif
+};
+
+#endif

apps/openmw/mwsound/sound_decoder.hpp

@@ -0,0 +1,19 @@
+#ifndef GAME_SOUND_SOUND_DECODER_H
+#define GAME_SOUND_SOUND_DECODER_H
+
+namespace MWSound
+{
+    class Sound_Decoder
+    {
+    public:
+        virtual bool Open(const std::string &fname) = 0;
+        virtual void Close() = 0;
+
+        virtual ~Sound_Decoder() { }
+
+        friend class OpenAL_Output;
+        friend class SoundManager;
+    };
+}
+
+#endif

apps/openmw/mwsound/soundmanager.cpp

@@ -12,6 +12,7 @@
 #include "../mwworld/world.hpp"
 #include "../mwworld/player.hpp"
 
+#include "sound_decoder.hpp"
 
 #include "openal_output.hpp"
 #define SOUND_OUT "OpenAL"
@@ -28,6 +29,7 @@
 #endif
 
 #ifdef OPENMW_USE_MPG123
+#include "mpgsnd_decoder.hpp"
 #define SOUND_IN "mpg123,sndfile"
 #endif
 

apps/openmw/mwsound/soundmanager.hpp

@@ -22,6 +22,7 @@ namespace MWWorld
 namespace MWSound
 {
     class Sound_Output;
+    class Sound_Decoder;
 
     class SoundManager
     {
@@ -131,7 +132,6 @@ namespace MWSound
         virtual void Deinitialize() = 0;
 
         Sound_Output(SoundManager &mgr) : mgr(mgr) { }
-
     public:
         virtual ~Sound_Output() { }