(svn r10444) -Codechange: switch to c++ classes and inheritance for sound/music/video drivers, using self-registration based on the blitter-model.

9 files changed, 103 insertions, 37 deletions

diff --git a/src/sound/cocoa_s.cpp b/src/sound/cocoa_s.cpp
index 246cbcecf..0c1e793f9 100644
--- a/src/sound/cocoa_s.cpp
+++ b/src/sound/cocoa_s.cpp
@@ -36,6 +36,7 @@
 #undef Point
 #undef Rect
 
+static FSoundDriver_Cocoa iFSoundDriver_Cocoa;
 
 static AudioUnit _outputAudioUnit;
 
@@ -48,7 +49,7 @@ static OSStatus audioCallback(void *inRefCon, AudioUnitRenderActionFlags inActio
 }
 
 
-static const char *CocoaSoundStart(const char * const *parm)
+const char *SoundDriver_Cocoa::Start(const char * const *parm)
 {
 	Component comp;
 	ComponentDescription desc;
@@ -116,7 +117,7 @@ static const char *CocoaSoundStart(const char * const *parm)
 }
 
 
-static void CocoaSoundStop()
+void SoundDriver_Cocoa::Stop()
 {
 	struct AudioUnitInputCallback callback;
 
@@ -140,10 +141,4 @@ static void CocoaSoundStop()
 	}
 }
 
-
-const HalSoundDriver _cocoa_sound_driver = {
-	CocoaSoundStart,
-	CocoaSoundStop,
-};
-
 #endif /* WITH_COCOA */
diff --git a/src/sound/cocoa_s.h b/src/sound/cocoa_s.h
index 92f67cb10..96e24522f 100644
--- a/src/sound/cocoa_s.h
+++ b/src/sound/cocoa_s.h
@@ -3,8 +3,22 @@
 #ifndef SOUND_COCOA_H
 #define SOUND_COCOA_H
 
-#include "../hal.h"
+#include "sound_driver.hpp"
 
-extern const HalSoundDriver _cocoa_sound_driver;
+class SoundDriver_Cocoa: public SoundDriver {
+public:
+	/* virtual */ bool CanProbe() { return true; }
+
+	/* virtual */ const char *Start(const char * const *param);
+
+	/* virtual */ void Stop();
+};
+
+class FSoundDriver_Cocoa: public SoundDriverFactory<FSoundDriver_Cocoa> {
+public:
+	/* virtual */ const char *GetName() { return "cocoa"; }
+	/* virtual */ const char *GetDescription() { return "Cocoa Sound Driver"; }
+	/* virtual */ Driver *CreateInstance() { return new SoundDriver_Cocoa(); }
+};
 
 #endif /* SOUND_COCOA_H */
diff --git a/src/sound/null_s.cpp b/src/sound/null_s.cpp
index 00eab496f..c8fe22ca3 100644
--- a/src/sound/null_s.cpp
+++ b/src/sound/null_s.cpp
@@ -3,10 +3,4 @@
 #include "../stdafx.h"
 #include "null_s.h"
 
-static const char *NullSoundStart(const char * const *parm) { return NULL; }
-static void NullSoundStop() {}
-
-const HalSoundDriver _null_sound_driver = {
-	NullSoundStart,
-	NullSoundStop,
-};
+static FSoundDriver_Null iFSoundDriver_Null;
diff --git a/src/sound/null_s.h b/src/sound/null_s.h
index 204c58376..2f5c79841 100644
--- a/src/sound/null_s.h
+++ b/src/sound/null_s.h
@@ -3,8 +3,22 @@
 #ifndef SOUND_NULL_H
 #define SOUND_NULL_H
 
-#include "../hal.h"
+#include "sound_driver.hpp"
 
-extern const HalSoundDriver _null_sound_driver;
+class SoundDriver_Null: public SoundDriver {
+public:
+	/* virtual */ bool CanProbe() { return false; }
+
+	/* virtual */ const char *Start(const char * const *param) { return NULL; }
+
+	/* virtual */ void Stop() { }
+};
+
+class FSoundDriver_Null: public SoundDriverFactory<FSoundDriver_Null> {
+public:
+	/* virtual */ const char *GetName() { return "null"; }
+	/* virtual */ const char *GetDescription() { return "Null Sound Driver"; }
+	/* virtual */ Driver *CreateInstance() { return new SoundDriver_Null(); }
+};
 
 #endif /* SOUND_NULL_H */
diff --git a/src/sound/sdl_s.cpp b/src/sound/sdl_s.cpp
index b90336866..f9f40d4e3 100644
--- a/src/sound/sdl_s.cpp
+++ b/src/sound/sdl_s.cpp
@@ -10,12 +10,14 @@
 #include "sdl_s.h"
 #include <SDL.h>
 
+static FSoundDriver_SDL iFSoundDriver_SDL;
+
 static void CDECL fill_sound_buffer(void *userdata, Uint8 *stream, int len)
 {
 	MxMixSamples(stream, len / 4);
 }
 
-static const char *SdlSoundStart(const char * const *parm)
+const char *SoundDriver_SDL::Start(const char * const *parm)
 {
 	SDL_AudioSpec spec;
 
@@ -32,15 +34,10 @@ static const char *SdlSoundStart(const char * const *parm)
 	return NULL;
 }
 
-static void SdlSoundStop()
+void SoundDriver_SDL::Stop()
 {
 	SDL_CALL SDL_CloseAudio();
 	SdlClose(SDL_INIT_AUDIO);
 }
 
-const HalSoundDriver _sdl_sound_driver = {
-	SdlSoundStart,
-	SdlSoundStop,
-};
-
 #endif /* WITH_SDL */
diff --git a/src/sound/sdl_s.h b/src/sound/sdl_s.h
index a667e137a..97a9036eb 100644
--- a/src/sound/sdl_s.h
+++ b/src/sound/sdl_s.h
@@ -3,8 +3,22 @@
 #ifndef SOUND_SDL_H
 #define SOUND_SDL_H
 
-#include "../hal.h"
+#include "sound_driver.hpp"
 
-extern const HalSoundDriver _sdl_sound_driver;
+class SoundDriver_SDL: public SoundDriver {
+public:
+	/* virtual */ bool CanProbe() { return true; }
+
+	/* virtual */ const char *Start(const char * const *param);
+
+	/* virtual */ void Stop();
+};
+
+class FSoundDriver_SDL: public SoundDriverFactory<FSoundDriver_SDL> {
+public:
+	/* virtual */ const char *GetName() { return "sdl"; }
+	/* virtual */ const char *GetDescription() { return "SDL Sound Driver"; }
+	/* virtual */ Driver *CreateInstance() { return new SoundDriver_SDL(); }
+};
 
 #endif /* SOUND_SDL_H */
diff --git a/src/sound/sound_driver.hpp b/src/sound/sound_driver.hpp
new file mode 100644
index 000000000..de1a19ac8
--- /dev/null
+++ b/src/sound/sound_driver.hpp
@@ -0,0 +1,27 @@
+/* $Id$ */
+
+#ifndef SOUND_SOUND_DRIVER_HPP
+#define SOUND_SOUND_DRIVER_HPP
+
+#include "../driver.h"
+
+class SoundDriver: public Driver {
+};
+
+class SoundDriverFactoryBase: public DriverFactoryBase {
+};
+
+template <class T>
+class SoundDriverFactory: public SoundDriverFactoryBase {
+public:
+	SoundDriverFactory() { this->RegisterDriver(((T *)this)->GetName(), Driver::DT_SOUND); }
+
+	/**
+	 * Get the long, human readable, name for the Driver-class.
+	 */
+	const char *GetName();
+};
+
+extern SoundDriver *_sound_driver;
+
+#endif /* SOUND_SOUND_DRIVER_HPP */
diff --git a/src/sound/win32_s.cpp b/src/sound/win32_s.cpp
index 61b9ce9eb..578011986 100644
--- a/src/sound/win32_s.cpp
+++ b/src/sound/win32_s.cpp
@@ -10,6 +10,8 @@
 #include <windows.h>
 #include <mmsystem.h>
 
+static FSoundDriver_Win32 iFSoundDriver_Win32;
+
 static HWAVEOUT _waveout;
 static WAVEHDR _wave_hdr[2];
 static int _bufsize;
@@ -48,7 +50,7 @@ static void CALLBACK waveOutProc(HWAVEOUT hwo, UINT uMsg, DWORD_PTR dwInstance,
 	}
 }
 
-static const char *Win32SoundStart(const char* const* parm)
+const char *SoundDriver_Win32::Start(const char* const* parm)
 {
 	WAVEFORMATEX wfex;
 	wfex.wFormatTag = WAVE_FORMAT_PCM;
@@ -69,7 +71,7 @@ static const char *Win32SoundStart(const char* const* parm)
 	return NULL;
 }
 
-static void Win32SoundStop()
+void SoundDriver_Win32::Stop()
 {
 	HWAVEOUT waveout = _waveout;
 
@@ -79,8 +81,3 @@ static void Win32SoundStop()
 	waveOutUnprepareHeader(waveout, &_wave_hdr[1], sizeof(WAVEHDR));
 	waveOutClose(waveout);
 }
-
-const HalSoundDriver _win32_sound_driver = {
-	Win32SoundStart,
-	Win32SoundStop,
-};
diff --git a/src/sound/win32_s.h b/src/sound/win32_s.h
index b91495edd..10a1f7502 100644
--- a/src/sound/win32_s.h
+++ b/src/sound/win32_s.h
@@ -3,8 +3,22 @@
 #ifndef SOUND_WIN32_H
 #define SOUND_WIN32_H
 
-#include "../hal.h"
+#include "sound_driver.hpp"
 
-extern const HalSoundDriver _win32_sound_driver;
+class SoundDriver_Win32: public SoundDriver {
+public:
+	/* virtual */ bool CanProbe() { return true; }
+
+	/* virtual */ const char *Start(const char * const *param);
+
+	/* virtual */ void Stop();
+};
+
+class FSoundDriver_Win32: public SoundDriverFactory<FSoundDriver_Win32> {
+public:
+	/* virtual */ const char *GetName() { return "win32"; }
+	/* virtual */ const char *GetDescription() { return "Win32 Sound Driver"; }
+	/* virtual */ Driver *CreateInstance() { return new SoundDriver_Win32(); }
+};
 
 #endif /* SOUND_WIN32_H */