reactos/dll/cpl/mmsys/audio.c

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/*
*
* PROJECT: ReactOS Multimedia Control Panel
* FILE: dll/cpl/mmsys/audio.c
* PURPOSE: ReactOS Multimedia Control Panel
* PROGRAMMER: Thomas Weidenmueller <w3seek@reactos.com>
* Johannes Anderwald <janderwald@reactos.com>
* Dmitry Chapyshev <dmitry@reactos.org>
*/
#include "mmsys.h"
typedef struct _GLOBAL_DATA
{
BOOL bNoAudioOut;
BOOL bNoAudioIn;
BOOL bNoMIDIOut;
BOOL bAudioOutChanged;
BOOL bAudioInChanged;
BOOL bMIDIOutChanged;
} GLOBAL_DATA, *PGLOBAL_DATA;
VOID
InitAudioDlg(HWND hwnd, PGLOBAL_DATA pGlobalData)
{
WAVEOUTCAPSW waveOutputPaps;
WAVEINCAPSW waveInputPaps;
MIDIOUTCAPSW midiOutCaps;
WCHAR szNoDevices[256];
UINT DevsNum;
UINT uIndex;
HWND hCB;
LRESULT Res;
LoadStringW(hApplet, IDS_NO_DEVICES, szNoDevices, _countof(szNoDevices));
// Init sound playback devices list
hCB = GetDlgItem(hwnd, IDC_DEVICE_PLAY_LIST);
DevsNum = waveOutGetNumDevs();
if (DevsNum < 1)
{
Res = SendMessageW(hCB, CB_ADDSTRING, 0, (LPARAM)szNoDevices);
SendMessageW(hCB, CB_SETCURSEL, (WPARAM)Res, 0);
pGlobalData->bNoAudioOut = TRUE;
}
else
{
WCHAR DefaultDevice[MAX_PATH] = {0};
HKEY hKey;
DWORD dwSize = sizeof(DefaultDevice);
UINT DefaultIndex = 0;
if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Multimedia\\Sound Mapper", 0, KEY_READ, &hKey) == ERROR_SUCCESS)
{
RegQueryValueExW(hKey, L"Playback", NULL, NULL, (LPBYTE)DefaultDevice, &dwSize);
DefaultDevice[_countof(DefaultDevice) - 1] = UNICODE_NULL;
RegCloseKey(hKey);
}
for (uIndex = 0; uIndex < DevsNum; uIndex++)
{
if (waveOutGetDevCapsW(uIndex, &waveOutputPaps, sizeof(waveOutputPaps)))
continue;
Res = SendMessageW(hCB, CB_ADDSTRING, 0, (LPARAM)waveOutputPaps.szPname);
if (CB_ERR != Res)
{
SendMessageW(hCB, CB_SETITEMDATA, Res, (LPARAM)uIndex);
if (!_wcsicmp(waveOutputPaps.szPname, DefaultDevice))
DefaultIndex = Res;
}
}
SendMessageW(hCB, CB_SETCURSEL, (WPARAM)DefaultIndex, 0);
}
// Init sound recording devices list
hCB = GetDlgItem(hwnd, IDC_DEVICE_REC_LIST);
DevsNum = waveInGetNumDevs();
if (DevsNum < 1)
{
Res = SendMessageW(hCB, CB_ADDSTRING, 0, (LPARAM)szNoDevices);
SendMessageW(hCB, CB_SETCURSEL, (WPARAM)Res, 0);
pGlobalData->bNoAudioIn = TRUE;
}
else
{
WCHAR DefaultDevice[MAX_PATH] = {0};
HKEY hKey;
DWORD dwSize = sizeof(DefaultDevice);
UINT DefaultIndex = 0;
if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Multimedia\\Sound Mapper", 0, KEY_READ, &hKey) == ERROR_SUCCESS)
{
RegQueryValueExW(hKey, L"Record", NULL, NULL, (LPBYTE)DefaultDevice, &dwSize);
DefaultDevice[_countof(DefaultDevice) - 1] = UNICODE_NULL;
RegCloseKey(hKey);
}
for (uIndex = 0; uIndex < DevsNum; uIndex++)
{
if (waveInGetDevCapsW(uIndex, &waveInputPaps, sizeof(waveInputPaps)))
continue;
Res = SendMessageW(hCB, CB_ADDSTRING, 0, (LPARAM)waveInputPaps.szPname);
if (CB_ERR != Res)
{
SendMessageW(hCB, CB_SETITEMDATA, Res, (LPARAM)uIndex);
if (!_wcsicmp(waveInputPaps.szPname, DefaultDevice))
DefaultIndex = Res;
}
}
SendMessageW(hCB, CB_SETCURSEL, (WPARAM)DefaultIndex, 0);
}
// Init MIDI devices list
hCB = GetDlgItem(hwnd, IDC_DEVICE_MIDI_LIST);
DevsNum = midiOutGetNumDevs();
if (DevsNum < 1)
{
Res = SendMessageW(hCB, CB_ADDSTRING, 0, (LPARAM)szNoDevices);
SendMessageW(hCB, CB_SETCURSEL, (WPARAM)Res, 0);
pGlobalData->bNoMIDIOut = TRUE;
}
else
{
WCHAR DefaultDevice[MAX_PATH] = {0};
HKEY hKey;
DWORD dwSize = sizeof(DefaultDevice);
UINT DefaultIndex = 0;
if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Multimedia\\MIDIMap", 0, KEY_READ, &hKey) == ERROR_SUCCESS)
{
RegQueryValueExW(hKey, L"szPname", NULL, NULL, (LPBYTE)DefaultDevice, &dwSize);
DefaultDevice[_countof(DefaultDevice) - 1] = UNICODE_NULL;
RegCloseKey(hKey);
}
for (uIndex = 0; uIndex < DevsNum; uIndex++)
{
if (midiOutGetDevCapsW(uIndex, &midiOutCaps, sizeof(midiOutCaps)))
continue;
Res = SendMessageW(hCB, CB_ADDSTRING, 0, (LPARAM)midiOutCaps.szPname);
if (CB_ERR != Res)
{
SendMessageW(hCB, CB_SETITEMDATA, Res, (LPARAM)uIndex);
if (!_wcsicmp(midiOutCaps.szPname, DefaultDevice))
DefaultIndex = Res;
}
}
SendMessageW(hCB, CB_SETCURSEL, (WPARAM)DefaultIndex, 0);
}
}
VOID
UpdateRegistryString(HWND hwnd, INT ctrl, LPWSTR key, LPWSTR value)
{
HWND hwndCombo = GetDlgItem(hwnd, ctrl);
INT CurSel = SendMessageW(hwndCombo, CB_GETCURSEL, 0, 0);
UINT TextLen;
WCHAR SelectedDevice[MAX_PATH] = {0};
HKEY hKey;
if (CurSel == CB_ERR)
return;
TextLen = SendMessageW(hwndCombo, CB_GETLBTEXTLEN, CurSel, 0) + 1;
if (TextLen > _countof(SelectedDevice))
return;
SendMessageW(hwndCombo, CB_GETLBTEXT, CurSel, (LPARAM)SelectedDevice);
if (RegCreateKeyExW(HKEY_CURRENT_USER, key, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL) != ERROR_SUCCESS)
return;
RegSetValueExW(hKey, value, 0, REG_SZ, (BYTE*)SelectedDevice, (wcslen(SelectedDevice) + 1) * sizeof(WCHAR));
RegCloseKey(hKey);
}
VOID
SaveAudioDlg(HWND hwnd, PGLOBAL_DATA pGlobalData)
{
if (pGlobalData->bAudioOutChanged)
{
UpdateRegistryString(hwnd,
IDC_DEVICE_PLAY_LIST,
L"Software\\Microsoft\\Multimedia\\Sound Mapper",
L"Playback");
}
if (pGlobalData->bAudioInChanged)
{
UpdateRegistryString(hwnd,
IDC_DEVICE_REC_LIST,
L"Software\\Microsoft\\Multimedia\\Sound Mapper",
L"Record");
}
if (pGlobalData->bMIDIOutChanged)
{
UpdateRegistryString(hwnd,
IDC_DEVICE_MIDI_LIST,
L"Software\\Microsoft\\Windows\\CurrentVersion\\Multimedia\\MIDIMap",
L"szPname");
}
}
static UINT
GetDevNum(HWND hControl, DWORD Id)
{
int iCurSel;
UINT DevNum;
iCurSel = SendMessageW(hControl, CB_GETCURSEL, 0, 0);
if (iCurSel == CB_ERR)
return 0;
DevNum = (UINT)SendMessageW(hControl, CB_GETITEMDATA, iCurSel, 0);
if (DevNum == (UINT) CB_ERR)
return 0;
if (mixerGetID((HMIXEROBJ)IntToPtr(DevNum), &DevNum, Id) != MMSYSERR_NOERROR)
return 0;
return DevNum;
}
/* Audio property page dialog callback */
INT_PTR CALLBACK
AudioDlgProc(HWND hwndDlg,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
PGLOBAL_DATA pGlobalData;
pGlobalData = (PGLOBAL_DATA)GetWindowLongPtrW(hwndDlg, DWLP_USER);
switch (uMsg)
{
case WM_INITDIALOG:
{
UINT NumWavOut = waveOutGetNumDevs();
pGlobalData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(GLOBAL_DATA));
SetWindowLongPtrW(hwndDlg, DWLP_USER, (LONG_PTR)pGlobalData);
if (!pGlobalData)
break;
InitAudioDlg(hwndDlg, pGlobalData);
if (!NumWavOut)
{
EnableWindow(GetDlgItem(hwndDlg, IDC_DEVICE_PLAY_LIST), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_DEVICE_REC_LIST), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_DEVICE_MIDI_LIST), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_DEFAULT_DEV_CHECKBOX), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_VOLUME1_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_ADV2_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_VOLUME2_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_ADV1_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_VOLUME3_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_ADV3_BTN), FALSE);
}
if (pGlobalData->bNoAudioOut)
{
EnableWindow(GetDlgItem(hwndDlg, IDC_DEVICE_PLAY_LIST), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_VOLUME1_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_ADV2_BTN), FALSE);
}
if (pGlobalData->bNoAudioIn)
{
EnableWindow(GetDlgItem(hwndDlg, IDC_DEVICE_REC_LIST), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_VOLUME2_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_ADV1_BTN), FALSE);
}
if (pGlobalData->bNoMIDIOut)
{
EnableWindow(GetDlgItem(hwndDlg, IDC_DEVICE_MIDI_LIST), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_VOLUME3_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_ADV3_BTN), FALSE);
}
}
break;
case WM_COMMAND:
{
STARTUPINFOW si;
PROCESS_INFORMATION pi;
WCHAR szPath[MAX_PATH];
if (!pGlobalData)
break;
switch (LOWORD(wParam))
{
case IDC_VOLUME1_BTN:
{
StringCchPrintfW(szPath, _countof(szPath), L"sndvol32.exe -d %d",
GetDevNum(GetDlgItem(hwndDlg, IDC_DEVICE_PLAY_LIST), MIXER_OBJECTF_WAVEOUT));
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
si.dwFlags = STARTF_USESHOWWINDOW;
si.wShowWindow = SW_SHOW;
if (CreateProcessW(NULL, szPath, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
{
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
}
break;
case IDC_ADV2_BTN:
{
}
break;
case IDC_VOLUME2_BTN:
{
StringCchPrintfW(szPath, _countof(szPath), L"sndvol32.exe -r -d %d",
GetDevNum(GetDlgItem(hwndDlg, IDC_DEVICE_REC_LIST), MIXER_OBJECTF_WAVEIN));
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
si.dwFlags = STARTF_USESHOWWINDOW;
si.wShowWindow = SW_SHOW;
if (CreateProcessW(NULL, szPath, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
{
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
}
break;
case IDC_ADV1_BTN:
{
}
break;
case IDC_VOLUME3_BTN:
{
StringCchPrintfW(szPath, _countof(szPath), L"sndvol32.exe -d %d",
GetDevNum(GetDlgItem(hwndDlg, IDC_DEVICE_MIDI_LIST), MIXER_OBJECTF_MIDIOUT));
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
si.dwFlags = STARTF_USESHOWWINDOW;
si.wShowWindow = SW_SHOW;
if (CreateProcessW(NULL, szPath, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
{
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
}
break;
case IDC_ADV3_BTN:
{
}
break;
case IDC_DEVICE_PLAY_LIST:
{
if (HIWORD(wParam) == CBN_SELCHANGE)
{
PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
pGlobalData->bAudioOutChanged = TRUE;
}
}
break;
case IDC_DEVICE_REC_LIST:
{
if (HIWORD(wParam) == CBN_SELCHANGE)
{
PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
pGlobalData->bAudioInChanged = TRUE;
}
}
case IDC_DEVICE_MIDI_LIST:
{
if (HIWORD(wParam) == CBN_SELCHANGE)
{
PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
pGlobalData->bMIDIOutChanged = TRUE;
}
}
break;
}
}
break;
case WM_DESTROY:
if (!pGlobalData)
break;
HeapFree(GetProcessHeap(), 0, pGlobalData);
break;
case WM_NOTIFY:
if (!pGlobalData)
break;
if (((LPNMHDR)lParam)->code == (UINT)PSN_APPLY)
{
SaveAudioDlg(hwndDlg, pGlobalData);
}
return TRUE;
}
return FALSE;
}