From 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d Mon Sep 17 00:00:00 2001
From: Jef <jef@targetspot.com>
Date: Tue, 24 Sep 2024 14:54:57 +0200
Subject: Initial community commit

---
 Src/Plugins/Library/ml_disc/ReplayGain.cpp | 95 ++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 Src/Plugins/Library/ml_disc/ReplayGain.cpp

(limited to 'Src/Plugins/Library/ml_disc/ReplayGain.cpp')

diff --git a/Src/Plugins/Library/ml_disc/ReplayGain.cpp b/Src/Plugins/Library/ml_disc/ReplayGain.cpp
new file mode 100644
index 00000000..fdbd973c
--- /dev/null
+++ b/Src/Plugins/Library/ml_disc/ReplayGain.cpp
@@ -0,0 +1,95 @@
+#include "main.h"
+#include "ReplayGain.h"
+#include <api/service/waservicefactory.h>
+static obj_replaygain *replayGain = 0;
+HANDLE rgThread = 0;
+static HANDLE killSwitch = 0;
+extern HWND m_extract_wnd;
+
+template <class api_T>
+void ServiceBuild(api_T *&api_t, GUID factoryGUID_t)
+{
+	if (plugin.service)
+	{
+		waServiceFactory *factory = plugin.service->service_getServiceByGuid(factoryGUID_t);
+		if (factory)
+			api_t = reinterpret_cast<api_T *>( factory->getInterface() );
+	}
+}
+
+template <class api_T>
+void ServiceRelease(api_T *api_t, GUID factoryGUID_t)
+{
+	if (plugin.service && api_t)
+	{
+		waServiceFactory *factory = plugin.service->service_getServiceByGuid(factoryGUID_t);
+		if (factory)
+			factory->releaseInterface(api_t);
+	}
+	api_t = NULL;
+}
+
+DWORD WINAPI RGProc(void *data)
+{
+	while (WaitForSingleObjectEx(killSwitch, INFINITE, TRUE) != WAIT_OBJECT_0);
+
+	return 0;
+}
+
+void CreateGain()
+{
+	killSwitch = CreateEvent(0, FALSE, FALSE, 0);
+	DWORD dummy;
+	rgThread = CreateThread(0, 0, RGProc, 0, 0, &dummy);
+}
+
+void CALLBACK StartGain(ULONG_PTR data)
+{
+	int mode = (int)data;
+
+	ServiceBuild(replayGain, RGGUID);
+	if (replayGain)
+		replayGain->Open(mode);
+}
+
+void CALLBACK WriteGain(ULONG_PTR data)
+{
+	if (replayGain)
+		replayGain->Write();
+
+	HANDLE notifyHandle =(HANDLE)data;
+	if (notifyHandle)
+		SetEvent(notifyHandle);
+
+	PostMessage(m_extract_wnd, WM_APP+4, 0, 0);
+}
+
+void CALLBACK CalculateGain(ULONG_PTR data)
+{
+	wchar_t *lastfn = (wchar_t *)data;
+	if (replayGain)
+	{
+		PostMessage(m_extract_wnd, WM_APP+2, 0, 0);
+		replayGain->ProcessTrack(lastfn);
+	}
+	free(lastfn);
+	PostMessage(m_extract_wnd, WM_APP+3, 0, 0);
+}
+
+void CALLBACK CloseGain(ULONG_PTR data)
+{
+	if (replayGain)
+	{
+		replayGain->Close();
+		ServiceRelease(replayGain, RGGUID);
+		replayGain = 0;
+	}
+}
+
+void CALLBACK QuitThread(ULONG_PTR data)
+{
+	if (rgThread)
+	{
+		SetEvent(killSwitch);
+	}
+}
-- 
cgit