Attempt to move mixer to audio common, it's a bit more complicated than I expected

so please check I didn't break anything in hle



git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2756 8ced0084-cf51-0410-be5f-012b33b47a6e

1 files changed, 51 insertions, 0 deletions

diff --git a/Source/Core/AudioCommon/Src/AudioCommon.cpp b/Source/Core/AudioCommon/Src/AudioCommon.cpp
new file mode 100644
index 0000000000..e8f60bc175
--- /dev/null
+++ b/Source/Core/AudioCommon/Src/AudioCommon.cpp
@@ -0,0 +1,51 @@
+#include "AudioCommon.h"
+#include "Mixer.h"
+#include "AOSoundStream.h"
+#include "DSoundStream.h"
+#include "NullSoundStream.h"
+
+
+namespace AudioCommon {
+	
+SoundStream *InitSoundStream(std::string backend, CMixer *mixer) {
+
+	if (!mixer) {
+		mixer = new CMixer();
+	}
+
+	if (backend == "DSound") {
+		if (DSound::isValid())
+			soundStream = new DSound(mixer, g_dspInitialize.hWnd);
+	}
+	else if (backend == "AOSound") {
+		if (AOSound::isValid())
+			soundStream = new AOSound(mixer);
+	}
+	else if (backend == "NullSound") {
+		soundStream = new NullSound(mixer);
+	} 
+	else {
+		PanicAlert("Cannot recognize backend %s", backend.c_str());
+		return NULL;
+	}
+	
+	if (soundStream) {
+		if (!soundStream->Start()) {
+			PanicAlert("Could not initialize backend %s, falling back to NULL", 
+					   backend.c_str());
+			delete soundStream;
+			soundStream = new NullSound(mixer);
+			soundStream->Start();
+			}
+	}
+	else {
+		PanicAlert("Sound backend %s is not valid, falling back to NULL", 
+				   backend.c_str());
+		delete soundStream;
+		soundStream = new NullSound(mixer);
+		soundStream->Start();
+	}
+	return soundStream;
+}
+
+} // Namespace