本文主要是介绍Windows使用C/C++语言控制7.1声道音量源代码,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
在国内的网址上找不到类似的文章,于是从其他方面着手,找到了如下的代码。
并使用VS2010编译通过,代码公布,遵循GPL规定。
具体代码从GITHUB中的QT代码移植到VS2010 点击打开链接
我自己的项目地址:https://gitee.com/tody_guo/soundeffect.git
编译使用的是VS2017的版本
// wAudio.cpp : Defines the entry point for the console application.
//#include "stdafx.h"#include <Windows.h>
#include <Endpointvolume.h>
#include <Mmdeviceapi.h>
#include <conio.h>
#include <mmdeviceapi.h>
#include <devicetopology.h>
#include <Ksmedia.h>
#include <math.h>#pragma comment(lib, "Winmm.lib")HRESULT _hr;
IMMDeviceEnumerator *_pDeviceEnumerator;
IMMDevice *_pDefaultDevice;IDeviceTopology *_pDeviceTopology;
IConnector *_pConnectorFrom;
IConnector *_pConnectorTo;
IPart *_pPart;
IAudioVolumeLevel *_pAudioVolumeLevelFront;
IAudioVolumeLevel *_pAudioVolumeLevelRear;
IAudioVolumeLevel *_pAudioVolumeLevelSubwoofer;
IAudioVolumeLevel *_pAudioVolumeLevelCenter;
IAudioVolumeLevel *_pAudioVolumeLevelSide;#define version "1.0.0"
#define progname "wAudio.exe"
int dID = 1;void usage(void)
{fprintf(stderr, "Audio volume control for gaming Version: %s\n""\n(c) Tody 2018, T-ware Inc.\n""\nUsage:\n\t%s <ID volume>""\nID Options:\n"" 1 front volume\n" " 2 Rear volume\n"" 3 Subwoofer volume\n"" 4 Center volume\n"" 5 Side volume\n", version, progname );exit(1);
}
float dbToPercent(float value)
{return powf(10.0f, (value/20.0f)) * 100.0f;
}float percentToDb(float value)
{return 20 * log10(value/100);
}void on_hSlider_Front_valueChanged(int value)
{if(_pAudioVolumeLevelFront){float valueDB =percentToDb(value);float valDBs[2] = { valueDB, valueDB };_pAudioVolumeLevelFront->SetLevelAllChannels(valDBs, 2, NULL);}
}void on_hSlider_Rear_valueChanged(int value)
{if(_pAudioVolumeLevelRear){float valueDB = percentToDb(value);float valDBs[2] = { valueDB, valueDB };_pAudioVolumeLevelRear->SetLevelAllChannels(valDBs, 2, NULL);}
}void on_hSlider_Sub_valueChanged(int value)
{if(_pAudioVolumeLevelSubwoofer){float valueDB = percentToDb(value);_pAudioVolumeLevelSubwoofer->SetLevel(0, valueDB, NULL);}
}void on_hSlider_Center_valueChanged(int value)
{if(_pAudioVolumeLevelCenter){float valueDB = percentToDb(value);_pAudioVolumeLevelCenter->SetLevel(0, valueDB, NULL);}
}void on_hSlider_Side_valueChanged(int value)
{if(_pAudioVolumeLevelSide){float valueDB = percentToDb(value);float valDBs[2] = { valueDB, valueDB };_pAudioVolumeLevelSide->SetLevelAllChannels(valDBs, 2, NULL);}
}int main(int argc, char* argv[])
{float ch0, ch1;int volume=100;if (argc!=3)usage();if (atoi(argv[1])<1 || atoi(argv[1])>5) usage();if (atoi(argv[2])>100 || atoi(argv[2])<0)usage();dID = atoi(argv[1]);volume=atoi(argv[2]);// Initialize COM component_hr = CoInitialize(NULL);if(FAILED(_hr)){printf("CoInitialize failed");return 1;}_hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_INPROC_SERVER, __uuidof(IMMDeviceEnumerator), (LPVOID *)&_pDeviceEnumerator);if (_hr != S_OK){fprintf(stderr,"MMDeviceEnumerator failed\n");return 1;}_hr = _pDeviceEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &_pDefaultDevice); // need default device in mmsys.cpl Speakersif (_hr != S_OK){fprintf(stderr,"GetDefaultAudioEndpoint failed\n");return 1;}_hr = _pDefaultDevice->Activate(__uuidof(IDeviceTopology), CLSCTX_INPROC_SERVER, NULL, (PVOID *)&_pDeviceTopology);if (_hr != S_OK){fprintf(stderr,"IDeviceTopology failed\n");return 1;}_hr = _pDeviceTopology->GetConnector(0, &_pConnectorFrom);if (_hr != S_OK){fprintf(stderr,"GetConnector failed\n");return 1;}_hr = _pConnectorFrom->GetConnectedTo(&_pConnectorTo);if (_hr != S_OK){fprintf(stderr,"GetConnectedTo failed\n");return 1;}_hr = _pConnectorTo->QueryInterface(__uuidof(IPart), (PVOID *)&_pPart);if (_hr != S_OK){fprintf(stderr,"QueryInterface failed\n");return 1;}LPWSTR PartName = nullptr;_pPart->GetName(&PartName);wprintf(L"> %s\n", PartName); // Realtek High Definition AudioCoTaskMemFree(PartName);PartName = nullptr;IPartsList *pPartList = nullptr;_hr = _pPart->EnumPartsIncoming(&pPartList);if(_hr != S_OK){fprintf(stderr,"EnumPartsIncoming failed\n");return 1;}IPart *pPartItem1 = nullptr;_hr = pPartList->GetPart(0, &pPartItem1);if(_hr != S_OK){fprintf(stderr,"GetPart failed\n");return 1;}LPWSTR PartNameItem1 = nullptr;pPartItem1->GetName(&PartNameItem1);wprintf(L"> %s\n", PartNameItem1);CoTaskMemFree(PartNameItem1);PartNameItem1 = nullptr;// Find GUID/KSNODE in Ksmedia.h and see what interface you can init/ https://msdn.microsoft.com/en-us/library/windows/desktop/dd371442(v=vs.85).aspxGUID guidPartItem1;_hr = pPartItem1->GetSubType(&guidPartItem1); // KSNODETYPE_MUTE pPartItem1->Activate(IAudioMute) (can control Master Mute of Realtek HD Audio output)if(_hr != S_OK){fprintf(stderr,"GetSubType PartItem1 failed\n");return 1;}IPartsList *pPartList2 = nullptr;IPart *pPartItem2 = nullptr;_hr = pPartItem1->EnumPartsIncoming(&pPartList2);if(_hr != S_OK){fprintf(stderr,"EnumPartsIncoming from PartItem1 failed\n");return 1;}_hr = pPartList2->GetPart(0, &pPartItem2);if(_hr != S_OK){fprintf(stderr,"GetPart PartList2 failed\n");return 1;}LPWSTR PartNameItem2 = nullptr;pPartItem2->GetName(&PartNameItem2);wprintf(L"> %s\n", PartNameItem2);CoTaskMemFree(PartNameItem2);PartNameItem2 = nullptr;GUID guidPartItem2;_hr = pPartItem2->GetSubType(&guidPartItem2); // KSNODETYPE_VOLUME pPartItem2->Activate(IAudioVolumeLevel) (can control Master Volume of Realtek HD Audio output)if(_hr != S_OK){fprintf(stderr,"GetSubType PartItem2 failed\n");return 1;}IPartsList *pPartList3 = nullptr;_hr = pPartItem2->EnumPartsIncoming(&pPartList3);if(_hr != S_OK){fprintf(stderr,"EnumPartsIncoming PartItem2 failed\n");return 1;}IPart *pPartItem3 = nullptr;pPartList3->GetPart(0, &pPartItem3);if(_hr != S_OK){fprintf(stderr,"GetPart PartItem3 failed\n");return 1;}LPWSTR PartNameItem3;pPartItem3->GetName(&PartNameItem3);wprintf(L"> %s\n", PartNameItem3);CoTaskMemFree(PartNameItem3);PartNameItem3 = nullptr;GUID guidPartItem3;_hr = pPartItem3->GetSubType(&guidPartItem3); // KSNODETYPE_SUM (Front, Rear, Subwoofer, Center, Side, ...)if(_hr != S_OK){fprintf(stderr,"GetSubType PartItem3 failed\n");return 1;}IPartsList *pPartList4 = nullptr;_hr = pPartItem3->EnumPartsIncoming(&pPartList4);if(_hr != S_OK){fprintf(stderr,"EnumPartsIncoming PartItem3 failed\n");return 1;}UINT CountLevels;pPartList4->GetCount(&CountLevels); // PartList4Countprintf("> Count Levels: %d\n", CountLevels);// (Front, Rear, Subwoofer, Center, Side, ...)// -------// FrontIPart *pPartItemFront = nullptr;pPartList4->GetPart(CountLevels-1, &pPartItemFront);LPWSTR PartItem4Name;pPartItemFront->GetName(&PartItem4Name);wprintf(L"> %s\n", PartItem4Name);CoTaskMemFree(PartItem4Name);PartItem4Name = nullptr;GUID guidPartItem4;_hr = pPartItemFront->GetSubType(&guidPartItem4); // KSNODETYPE_VOLUME pPartItemLast->Activate(IAudioVolumeLevel)if(_hr != S_OK){fprintf(stderr,"GetSubType Front failed\n");return 1;}_hr = pPartItemFront->Activate(CLSCTX_INPROC, __uuidof(IAudioVolumeLevel), (PVOID *)&_pAudioVolumeLevelFront);if(_hr != S_OK){fprintf(stderr,"Activate Front failed\n");return 1;}if(pPartItemFront){pPartItemFront->Release();pPartItemFront = nullptr;}// -------// SideIPart *pPartItemRear = nullptr;pPartList4->GetPart(CountLevels-2, &pPartItemRear);LPWSTR PartItem5Name;pPartItemRear->GetName(&PartItem5Name);wprintf(L"> %s\n", PartItem5Name);CoTaskMemFree(PartItem5Name);PartItem5Name = nullptr;_hr = pPartItemRear->Activate(CLSCTX_INPROC, __uuidof(IAudioVolumeLevel), (PVOID *)&_pAudioVolumeLevelRear);if(_hr != S_OK){fprintf(stderr,"Activate Side failed\n");return 1;}if(pPartItemRear){pPartItemRear->Release();pPartItemRear = nullptr;}// -------// SubwooferIPart *pPartItemSubwoofer = nullptr;pPartList4->GetPart(CountLevels-3, &pPartItemSubwoofer);LPWSTR PartItem6Name;pPartItemSubwoofer->GetName(&PartItem6Name);wprintf(L"> %s\n", PartItem6Name);CoTaskMemFree(PartItem6Name);PartItem6Name = nullptr;_hr = pPartItemSubwoofer->Activate(CLSCTX_INPROC, __uuidof(IAudioVolumeLevel), (PVOID *)&_pAudioVolumeLevelSubwoofer);if(_hr != S_OK){fprintf(stderr,"Activate Subwoofer failed\n");return 1;}if(pPartItemSubwoofer){pPartItemSubwoofer->Release();pPartItemSubwoofer = nullptr;}// -------// CenterIPart *pPartItemCenter = nullptr;pPartList4->GetPart(CountLevels-4, &pPartItemCenter);LPWSTR PartItem7Name;pPartItemCenter->GetName(&PartItem7Name);wprintf(L"> %s\n", PartItem7Name);CoTaskMemFree(PartItem7Name);PartItem7Name = nullptr;_hr = pPartItemCenter->Activate(CLSCTX_INPROC, __uuidof(IAudioVolumeLevel), (PVOID *)&_pAudioVolumeLevelCenter);if(_hr != S_OK){fprintf(stderr,"Activate Center failed\n");return 1;}if(pPartItemCenter){pPartItemCenter->Release();pPartItemCenter = nullptr;}/*// -------// MuteIPart *pPartItemSide = nullptr;pPartList4->GetPart(CountLevels-5, &pPartItemSide);LPWSTR PartItem8Name;pPartItemSide->GetName(&PartItem8Name);wprintf(L"8: %s\n", PartItem8Name);CoTaskMemFree(PartItem8Name);PartItem8Name = nullptr;_hr = pPartItemSide->Activate(CLSCTX_INPROC, __uuidof(IAudioVolumeLevel), (PVOID *)&_pAudioVolumeLevelSide);if(_hr != S_OK){fprintf(stderr,"Activate failed\n");return 1;}if(pPartItemSide){pPartItemSide->Release();pPartItemSide = nullptr;}
*/printf("> Control code: <%d %d>\n\n\tSetting volume....\n", dID, volume);/// control codeswitch(dID){case 1: // Fronton_hSlider_Front_valueChanged(volume);_pAudioVolumeLevelFront->GetLevel(0, &ch0);_pAudioVolumeLevelFront->GetLevel(1, &ch1);printf("\n\t[Front]# Left: %3.0f, Right: %3.0f", dbToPercent(ch0), dbToPercent(ch1));break;case 2: // Rearon_hSlider_Rear_valueChanged(volume);_pAudioVolumeLevelRear->GetLevel(0, &ch0);_pAudioVolumeLevelRear->GetLevel(1, &ch1);printf("\n\t[Rear]# Left: %3.0f, Right: %3.0f", dbToPercent(ch0), dbToPercent(ch1));break;case 3: // Subwoofer on_hSlider_Sub_valueChanged(volume);_pAudioVolumeLevelSubwoofer->GetLevel(0, &ch0);printf("\n\t[Subwoofer]# %3.0f", dbToPercent(ch0));break;case 4: // Centeron_hSlider_Center_valueChanged(volume);_pAudioVolumeLevelCenter->GetLevel(0, &ch0);printf("\n\t[Center]# %3.0f", dbToPercent(ch0));break;case 5: // Sideon_hSlider_Side_valueChanged(volume);_pAudioVolumeLevelSide->GetLevel(0, &ch0);_pAudioVolumeLevelSide->GetLevel(1, &ch1);printf("\n\t[Side]# Left: %3.0f, Right: %3.0f", dbToPercent(ch0), dbToPercent(ch1));break;}if(_pAudioVolumeLevelFront){_pAudioVolumeLevelFront->Release();_pAudioVolumeLevelFront = nullptr;}if(_pAudioVolumeLevelRear){_pAudioVolumeLevelRear->Release();_pAudioVolumeLevelRear = nullptr;}if(_pAudioVolumeLevelSubwoofer){_pAudioVolumeLevelSubwoofer->Release();_pAudioVolumeLevelSubwoofer = nullptr;}if(_pAudioVolumeLevelCenter){_pAudioVolumeLevelCenter->Release();_pAudioVolumeLevelCenter = nullptr;}if(_pAudioVolumeLevelSide){_pAudioVolumeLevelSide->Release();_pAudioVolumeLevelSide = nullptr;}if(_pPart){_pPart->Release();_pPart = nullptr;}if(_pConnectorTo){_pConnectorTo->Release();_pConnectorTo = nullptr;}if(_pConnectorFrom){_pConnectorFrom->Release();_pConnectorFrom = nullptr;}if(_pDeviceTopology){_pDeviceTopology->Release();_pDeviceTopology = nullptr;}if(_pDefaultDevice){_pDefaultDevice->Release();_pDefaultDevice = nullptr;}if(_pDeviceEnumerator){_pDeviceEnumerator->Release();_pDeviceEnumerator = nullptr;}CoUninitialize();return 0;
}
这篇关于Windows使用C/C++语言控制7.1声道音量源代码的文章就介绍到这儿,希望我们推荐的文章对编程师们有所帮助!