winamp/Src/Plugins/Library/ml_disc/ReplayGain.cpp
2024-09-24 14:54:57 +02:00

96 lines
1.8 KiB
C++

#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);
}
}