113 lines
2.7 KiB
C++
113 lines
2.7 KiB
C++
|
// AudioManager.cpp : This file contains the 'main' function. Program execution begins and ends there.
|
||
|
|
//
|
||
|
|
|
||
|
|
#include <iostream>
|
||
|
|
|
||
|
|
|
||
|
|
#include <windows.h>
|
||
|
|
#include <commctrl.h>
|
||
|
|
#include <mmdeviceapi.h>
|
||
|
|
#include <endpointvolume.h>
|
||
|
|
#include "CAudioEndpointVolumeCallback.h"
|
||
|
|
|
||
|
|
|
||
|
|
#define EXIT_ON_ERROR(hr) \
|
||
|
|
if (FAILED(hr)) { exit(-1); }
|
||
|
|
#define ERROR_CANCEL(hr) \
|
||
|
|
if (FAILED(hr)) { \
|
||
|
|
MessageBox(hDlg, TEXT("The program will exit."), \
|
||
|
|
TEXT("Fatal error"), MB_OK); \
|
||
|
|
EndDialog(hDlg, TRUE); return TRUE; }
|
||
|
|
|
||
|
|
#define SAFE_RELEASE(punk) \
|
||
|
|
if ((punk) != NULL) \
|
||
|
|
{ (punk)->Release(); (punk) = NULL; }
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
volatile bool isRunning = true;
|
||
|
|
BOOL WINAPI HandlerRoutine(_In_ DWORD dwCtrlType) {
|
||
|
|
switch (dwCtrlType)
|
||
|
|
{
|
||
|
|
case CTRL_C_EVENT:
|
||
|
|
isRunning = false;
|
||
|
|
// Signal is handled - don't pass it on to the next handler
|
||
|
|
return TRUE;
|
||
|
|
default:
|
||
|
|
// Pass signal on to the next handler
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
GUID g_guidMyContext = GUID_NULL;
|
||
|
|
|
||
|
|
IMMDeviceEnumerator* pEnumerator = NULL;
|
||
|
|
|
||
|
|
IMMDevice* pDevice = NULL;
|
||
|
|
IMMDevice* cDevice = NULL;
|
||
|
|
|
||
|
|
static IAudioEndpointVolume* g_pEndptVol = NULL;
|
||
|
|
static IAudioEndpointVolume* g_cEndptVol = NULL;
|
||
|
|
|
||
|
|
SetConsoleCtrlHandler(HandlerRoutine, TRUE);
|
||
|
|
|
||
|
|
hr = CoInitialize(NULL);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
hr = CoCreateGuid(&g_guidMyContext);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
// Get enumerator for audio endpoint devices.
|
||
|
|
hr = CoCreateInstance(__uuidof(MMDeviceEnumerator),
|
||
|
|
NULL, CLSCTX_INPROC_SERVER,
|
||
|
|
__uuidof(IMMDeviceEnumerator),
|
||
|
|
(void**)&pEnumerator);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
hr = pEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &pDevice);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
hr = pEnumerator->GetDefaultAudioEndpoint(eRender, eCommunications, &cDevice);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
|
||
|
|
hr = pDevice->Activate(__uuidof(IAudioEndpointVolume),
|
||
|
|
CLSCTX_ALL, NULL, (void**)&g_pEndptVol);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
hr = cDevice->Activate(__uuidof(IAudioEndpointVolume),
|
||
|
|
CLSCTX_ALL, NULL, (void**)&g_cEndptVol);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
CAudioEndpointVolumeCallback EPVolEvents(g_pEndptVol, g_cEndptVol, g_guidMyContext);
|
||
|
|
|
||
|
|
float mainVolume;
|
||
|
|
hr = g_pEndptVol->GetMasterVolumeLevelScalar(&mainVolume);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
float commVolume;
|
||
|
|
hr = g_cEndptVol->GetMasterVolumeLevelScalar(&commVolume);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
std::cout << "\r\033[2KMain Volume : " << mainVolume * 100 << ", Communication Volume : " << commVolume * 100;
|
||
|
|
|
||
|
|
hr = g_pEndptVol->RegisterControlChangeNotify(
|
||
|
|
(IAudioEndpointVolumeCallback*)&EPVolEvents);
|
||
|
|
EXIT_ON_ERROR(hr);
|
||
|
|
|
||
|
|
while (isRunning) {
|
||
|
|
Sleep(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
SAFE_RELEASE(pEnumerator);
|
||
|
|
SAFE_RELEASE(pDevice);
|
||
|
|
SAFE_RELEASE(g_pEndptVol);
|
||
|
|
SAFE_RELEASE(g_cEndptVol);
|
||
|
|
CoUninitialize();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|