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https://github.com/onyx-and-iris/vmrcli.git
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172
src/cdll.c
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172
src/cdll.c
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#include <stdbool.h>
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#include <stdio.h>
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#include "cdll.h"
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/*******************************************************************************/
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/** GET VOICEMEETER DIRECTORY **/
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/*******************************************************************************/
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static char uninstDirKey[] = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall";
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#define INSTALLER_UNINST_KEY "VB:Voicemeeter {17359A74-1236-5467}"
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void remove_name_in_path(char *szPath)
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{
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char *p = szPath;
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while (*p++)
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;
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while (p > szPath && *p != '\\')
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p--;
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if (*p == '\\')
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*p = '\0';
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}
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#ifndef KEY_WOW64_32KEY
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#define KEY_WOW64_32KEY 0x0200
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#endif
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bool __cdecl registry_get_voicemeeter_folder(char *szDir)
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{
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char szKey[256];
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char sss[1024];
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DWORD nnsize = 1024;
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HKEY hkResult;
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LONG rep;
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DWORD pptype = REG_SZ;
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sss[0] = 0;
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// build Voicemeeter uninstallation key
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strcpy(szKey, uninstDirKey);
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strcat(szKey, "\\");
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strcat(szKey, INSTALLER_UNINST_KEY);
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// open key
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rep = RegOpenKeyEx(HKEY_LOCAL_MACHINE, szKey, 0, KEY_READ, &hkResult);
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if (rep != ERROR_SUCCESS)
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{
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// if not present we consider running in 64bit mode and force to read 32bit registry
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rep = RegOpenKeyEx(HKEY_LOCAL_MACHINE, szKey, 0, KEY_READ | KEY_WOW64_32KEY, &hkResult);
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}
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if (rep != ERROR_SUCCESS)
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return false;
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// read uninstall path from registry
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rep = RegQueryValueEx(hkResult, "UninstallString", 0, &pptype, (unsigned char *)sss, &nnsize);
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RegCloseKey(hkResult);
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if (pptype != REG_SZ)
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return false;
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if (rep != ERROR_SUCCESS)
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return false;
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// remove name to get the path only
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remove_name_in_path(sss);
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if (nnsize > 512)
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nnsize = 512;
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strncpy(szDir, sss, nnsize);
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return true;
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}
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/*******************************************************************************/
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/** GET DLL INTERFACE **/
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/*******************************************************************************/
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static HMODULE G_H_Module = NULL;
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long initialize_dll_interfaces(T_VBVMR_INTERFACE *iVMR)
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{
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char szDllName[1024];
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memset(iVMR, 0, sizeof(T_VBVMR_INTERFACE));
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// get folder where is installed Voicemeeter
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if (!registry_get_voicemeeter_folder(szDllName))
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{
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// voicemeeter not installed
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return -100;
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}
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// use right dll according O/S type
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if (sizeof(void *) == 8)
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strcat(szDllName, "\\VoicemeeterRemote64.dll");
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else
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strcat(szDllName, "\\VoicemeeterRemote.dll");
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// Load Dll
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G_H_Module = LoadLibrary(szDllName);
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if (G_H_Module == NULL)
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return -101;
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// Get function pointers
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iVMR->VBVMR_Login = (T_VBVMR_Login)GetProcAddress(G_H_Module, "VBVMR_Login");
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iVMR->VBVMR_Logout = (T_VBVMR_Logout)GetProcAddress(G_H_Module, "VBVMR_Logout");
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iVMR->VBVMR_RunVoicemeeter = (T_VBVMR_RunVoicemeeter)GetProcAddress(G_H_Module, "VBVMR_RunVoicemeeter");
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iVMR->VBVMR_GetVoicemeeterType = (T_VBVMR_GetVoicemeeterType)GetProcAddress(G_H_Module, "VBVMR_GetVoicemeeterType");
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iVMR->VBVMR_GetVoicemeeterVersion = (T_VBVMR_GetVoicemeeterVersion)GetProcAddress(G_H_Module, "VBVMR_GetVoicemeeterVersion");
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iVMR->VBVMR_IsParametersDirty = (T_VBVMR_IsParametersDirty)GetProcAddress(G_H_Module, "VBVMR_IsParametersDirty");
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iVMR->VBVMR_GetParameterFloat = (T_VBVMR_GetParameterFloat)GetProcAddress(G_H_Module, "VBVMR_GetParameterFloat");
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iVMR->VBVMR_GetParameterStringA = (T_VBVMR_GetParameterStringA)GetProcAddress(G_H_Module, "VBVMR_GetParameterStringA");
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iVMR->VBVMR_GetParameterStringW = (T_VBVMR_GetParameterStringW)GetProcAddress(G_H_Module, "VBVMR_GetParameterStringW");
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iVMR->VBVMR_GetLevel = (T_VBVMR_GetLevel)GetProcAddress(G_H_Module, "VBVMR_GetLevel");
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iVMR->VBVMR_GetMidiMessage = (T_VBVMR_GetMidiMessage)GetProcAddress(G_H_Module, "VBVMR_GetMidiMessage");
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iVMR->VBVMR_SetParameterFloat = (T_VBVMR_SetParameterFloat)GetProcAddress(G_H_Module, "VBVMR_SetParameterFloat");
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iVMR->VBVMR_SetParameters = (T_VBVMR_SetParameters)GetProcAddress(G_H_Module, "VBVMR_SetParameters");
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iVMR->VBVMR_SetParametersW = (T_VBVMR_SetParametersW)GetProcAddress(G_H_Module, "VBVMR_SetParametersW");
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iVMR->VBVMR_SetParameterStringA = (T_VBVMR_SetParameterStringA)GetProcAddress(G_H_Module, "VBVMR_SetParameterStringA");
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iVMR->VBVMR_SetParameterStringW = (T_VBVMR_SetParameterStringW)GetProcAddress(G_H_Module, "VBVMR_SetParameterStringW");
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iVMR->VBVMR_Output_GetDeviceNumber = (T_VBVMR_Output_GetDeviceNumber)GetProcAddress(G_H_Module, "VBVMR_Output_GetDeviceNumber");
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iVMR->VBVMR_Output_GetDeviceDescA = (T_VBVMR_Output_GetDeviceDescA)GetProcAddress(G_H_Module, "VBVMR_Output_GetDeviceDescA");
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iVMR->VBVMR_Output_GetDeviceDescW = (T_VBVMR_Output_GetDeviceDescW)GetProcAddress(G_H_Module, "VBVMR_Output_GetDeviceDescW");
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iVMR->VBVMR_Input_GetDeviceNumber = (T_VBVMR_Input_GetDeviceNumber)GetProcAddress(G_H_Module, "VBVMR_Input_GetDeviceNumber");
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iVMR->VBVMR_Input_GetDeviceDescA = (T_VBVMR_Input_GetDeviceDescA)GetProcAddress(G_H_Module, "VBVMR_Input_GetDeviceDescA");
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iVMR->VBVMR_Input_GetDeviceDescW = (T_VBVMR_Input_GetDeviceDescW)GetProcAddress(G_H_Module, "VBVMR_Input_GetDeviceDescW");
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// check pointers are valid
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if (iVMR->VBVMR_Login == NULL)
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return -1;
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if (iVMR->VBVMR_Logout == NULL)
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return -2;
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if (iVMR->VBVMR_RunVoicemeeter == NULL)
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return -2;
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if (iVMR->VBVMR_GetVoicemeeterType == NULL)
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return -3;
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if (iVMR->VBVMR_GetVoicemeeterVersion == NULL)
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return -4;
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if (iVMR->VBVMR_IsParametersDirty == NULL)
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return -5;
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if (iVMR->VBVMR_GetParameterFloat == NULL)
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return -6;
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if (iVMR->VBVMR_GetParameterStringA == NULL)
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return -7;
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if (iVMR->VBVMR_GetParameterStringW == NULL)
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return -8;
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if (iVMR->VBVMR_GetLevel == NULL)
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return -9;
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if (iVMR->VBVMR_SetParameterFloat == NULL)
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return -10;
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if (iVMR->VBVMR_SetParameters == NULL)
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return -11;
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if (iVMR->VBVMR_SetParametersW == NULL)
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return -12;
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if (iVMR->VBVMR_SetParameterStringA == NULL)
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return -13;
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if (iVMR->VBVMR_SetParameterStringW == NULL)
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return -14;
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if (iVMR->VBVMR_GetMidiMessage == NULL)
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return -15;
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if (iVMR->VBVMR_Output_GetDeviceNumber == NULL)
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return -30;
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if (iVMR->VBVMR_Output_GetDeviceDescA == NULL)
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return -31;
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if (iVMR->VBVMR_Output_GetDeviceDescW == NULL)
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return -32;
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if (iVMR->VBVMR_Input_GetDeviceNumber == NULL)
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return -33;
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if (iVMR->VBVMR_Input_GetDeviceDescA == NULL)
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return -34;
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if (iVMR->VBVMR_Input_GetDeviceDescW == NULL)
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return -35;
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return 0;
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}
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