Source code of Windows XP (NT5)
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// File: videocpl.cpp
#include "precomp.h"
#include "confcpl.h"
#include "help_ids.h"
#include "vidview.h"
#include "confroom.h"
static const DWORD aContextHelpIds[] = {
IDC_SENDRECEIVE_GROUP, IDH_VIDEO_SEND_RECEIVE,
IDC_VIDEO_AUTOSEND, IDH_VIDEO_AUTO_SEND,
IDC_VIDEO_AUTORECEIVE, IDH_VIDEO_AUTO_RECEIVE,
IDC_VIDEO_SQCIF, IDH_VIDEO_SQCIF,
IDC_VIDEO_QCIF, IDH_VIDEO_QCIF,
IDC_VIDEO_CIF, IDH_VIDEO_CIF,
IDC_VIDEO_QUALITY_DESC, IDH_VIDEO_QUALITY,
IDC_VIDEO_QUALITY, IDH_VIDEO_QUALITY,
IDC_VIDEO_QUALITY_LOW, IDH_VIDEO_QUALITY,
IDC_VIDEO_QUALITY_HIGH, IDH_VIDEO_QUALITY,
IDC_CAMERA_GROUP, IDH_VIDEO_CAMERA,
IDC_COMBOCAP, IDH_VIDEO_CAPTURE,
IDC_VIDEO_SOURCE, IDH_VIDEO_SOURCE,
IDC_VIDEO_FORMAT, IDH_VIDEO_FORMAT,
IDC_VIDEO_MIRROR, IDH_VIDEO_MIRROR,
0, 0 // terminator
};
INT_PTR APIENTRY VideoDlgProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
//BAD KARMA: this stuff should be in a struct and stored in "GWL_USERDATA"
static PROPSHEETPAGE * ps;
static BOOL fAllowSend = FALSE;
static BOOL fAllowReceive = FALSE;
static BOOL fOldAutoSend = FALSE;
static BOOL fOldAutoReceive = FALSE;
static BOOL fOldOpenLocalWindow = FALSE;
static BOOL fOldCloseLocalWindow = FALSE;
static DWORD dwOldQuality = FALSE;
static DWORD dwNewQuality = 0;
static DWORD dwOldFrameSize = 0;
static DWORD dwNewFrameSize = 0;
static BOOL fHasSourceDialog = FALSE;
static BOOL fHasFormatDialog = FALSE;
static BOOL dwFrameSizes = 0;
static int nNumCapDev = 0;
static DWORD dwOldCapDevID = 0;
static DWORD dwNewCapDevID = 0;
static int nMaxCapDevNameLen;
static TCHAR *pszCapDevNames = (TCHAR *)NULL;
static DWORD *pdwCapDevIDs = (DWORD *)NULL;
static LPSTR szOldCapDevName = (LPSTR)NULL;
static BOOL fOldMirror = FALSE;
static CVideoWindow *m_pLocal = NULL;
static CVideoWindow *m_pRemote = NULL;
RegEntry rePolicies( POLICIES_KEY, HKEY_CURRENT_USER );
switch (message) {
case WM_INITDIALOG:
{
RegEntry reVideo(VIDEO_KEY, HKEY_CURRENT_USER);
LPSTR szTemp = (LPSTR)NULL;
// Save the PROPSHEETPAGE information.
ps = (PROPSHEETPAGE *)lParam;
CConfRoom* pcr = ::GetConfRoom();
ASSERT(NULL != pcr);
m_pLocal = pcr->GetLocalVideo();
m_pRemote = pcr->GetRemoteVideo();
ASSERT(NULL != m_pLocal && NULL != m_pRemote);
fAllowSend = m_pLocal->IsXferAllowed();
fAllowReceive = m_pRemote->IsXferAllowed();
fOldAutoSend = m_pLocal->IsAutoXferEnabled();
fOldAutoReceive = m_pRemote->IsAutoXferEnabled();
fOldMirror = m_pLocal->GetMirror();
dwFrameSizes = m_pLocal->GetFrameSizes();
dwNewFrameSize = dwOldFrameSize = m_pLocal->GetFrameSize();
dwNewQuality = dwOldQuality = m_pRemote->GetImageQuality();
// If we have one or more capture devices installed, display its or their
// names in a combo box. The user will be asked to select the device he/she
// wants to use.
if (nNumCapDev = m_pLocal->GetNumCapDev())
{
// Get the ID of the device currently selected
nMaxCapDevNameLen = m_pLocal->GetMaxCapDevNameLen();
dwOldCapDevID = reVideo.GetNumber(REGVAL_CAPTUREDEVICEID, ((UINT)-1));
szTemp = reVideo.GetString(REGVAL_CAPTUREDEVICENAME);
if (szTemp && (szOldCapDevName = (LPSTR)LocalAlloc(LPTR, sizeof(TCHAR) * nMaxCapDevNameLen)))
lstrcpy(szOldCapDevName, szTemp);
dwNewCapDevID = m_pLocal->GetCurrCapDevID();
if ((!((dwOldCapDevID == ((UINT)-1)) || (dwNewCapDevID != dwOldCapDevID))) || (dwNewCapDevID == ((UINT)-1)))
dwNewCapDevID = dwOldCapDevID;
if (nMaxCapDevNameLen && (pdwCapDevIDs = (DWORD *)LocalAlloc(LPTR, nNumCapDev * (sizeof(TCHAR) * nMaxCapDevNameLen + sizeof(DWORD)))))
{
int i;
pszCapDevNames = (TCHAR *)(pdwCapDevIDs + nNumCapDev);
// Fill up the arrey of device IDs and names.
// Only enabled capture devices are returned
m_pLocal->EnumCapDev(pdwCapDevIDs, pszCapDevNames, nNumCapDev);
// Are we still Ok?
nNumCapDev = m_pLocal->GetNumCapDev();
// Fill up the combo box with the capture devices names
for (i=0; i<nNumCapDev; i++)
SendMessage(GetDlgItem(hDlg, IDC_COMBOCAP), CB_INSERTSTRING, i, (LPARAM)(pszCapDevNames + i * nMaxCapDevNameLen));
// Set the default capture device in the combo box
for (i=0; i<nNumCapDev; i++)
{
if (!i)
{
SendMessage(GetDlgItem(hDlg, IDC_COMBOCAP), CB_SETCURSEL, 0, (LPARAM)NULL);
// If for some reason, no device is registered yet, register one
if (dwOldCapDevID == ((UINT)-1))
{
dwNewCapDevID = pdwCapDevIDs[i];
reVideo.SetValue(REGVAL_CAPTUREDEVICEID, dwNewCapDevID);
reVideo.SetValue(REGVAL_CAPTUREDEVICENAME, (LPSTR)(pszCapDevNames + i * nMaxCapDevNameLen));
}
}
else
{
if (dwNewCapDevID == pdwCapDevIDs[i])
{
// The following will allow us to keep the right device
// even if its ID has changed (if a lower ID device was
// removed or added for instance)
if (lstrcmp(szOldCapDevName, (LPSTR)(pszCapDevNames + i * nMaxCapDevNameLen)) != 0)
{
int j;
// Look for the string in the array of device names
for (j=0; j<nNumCapDev; j++)
if (lstrcmp(szOldCapDevName, (LPSTR)(pszCapDevNames + j * nMaxCapDevNameLen)) == 0)
break;
if (j<nNumCapDev)
{
SendMessage(GetDlgItem(hDlg, IDC_COMBOCAP), CB_SETCURSEL, j, (LPARAM)NULL);
if (dwNewCapDevID != (DWORD)j)
{
// The device ID has changed but the device name was found
// Set the current device ID to the new onew
reVideo.SetValue(REGVAL_CAPTUREDEVICEID, dwNewCapDevID = (DWORD)j);
m_pLocal->SetCurrCapDevID(dwNewCapDevID);
}
}
else
{
// This is either a totally new device or an updated version of the
// driver. We should store the new string for that device
reVideo.SetValue(REGVAL_CAPTUREDEVICENAME, (LPSTR)(pszCapDevNames + i * nMaxCapDevNameLen));
SendMessage(GetDlgItem(hDlg, IDC_COMBOCAP), CB_SETCURSEL, i, (LPARAM)NULL);
}
}
else
SendMessage(GetDlgItem(hDlg, IDC_COMBOCAP), CB_SETCURSEL, i, (LPARAM)NULL);
}
else
{
if ((dwNewCapDevID >= (DWORD)nNumCapDev) || (dwNewCapDevID != pdwCapDevIDs[dwNewCapDevID]))
{
// Device is missing! Use the first one as the new default
dwNewCapDevID = pdwCapDevIDs[0];
reVideo.SetValue(REGVAL_CAPTUREDEVICEID, dwNewCapDevID);
reVideo.SetValue(REGVAL_CAPTUREDEVICENAME, (LPSTR)(pszCapDevNames));
m_pLocal->SetCurrCapDevID(dwNewCapDevID);
}
}
}
}
}
}
else
EnableWindow(GetDlgItem(hDlg, IDC_COMBOCAP), FALSE);
// The dialog caps need to be evaluated
fHasSourceDialog = m_pLocal->IsXferEnabled() &&
m_pLocal->HasDialog(NM_VIDEO_SOURCE_DIALOG);
fHasFormatDialog = m_pLocal->IsXferEnabled() &&
m_pLocal->HasDialog(NM_VIDEO_FORMAT_DIALOG);
///////////////////////////////////////////////////////////
//
// Sending and Receiving Video
//
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_AUTOSEND),
fAllowSend && (0 != dwFrameSizes));
CheckDlgButton(hDlg, IDC_VIDEO_AUTOSEND,
fAllowSend && fOldAutoSend);
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_AUTORECEIVE), fAllowReceive);
CheckDlgButton(hDlg, IDC_VIDEO_AUTORECEIVE,
fAllowReceive && fOldAutoReceive);
///////////////////////////////////////////////////////////
//
// Video Image
//
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_SQCIF),
fAllowSend && (dwFrameSizes & FRAME_SQCIF));
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_QCIF),
fAllowSend && (dwFrameSizes & FRAME_QCIF));
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_CIF),
fAllowSend && (dwFrameSizes & FRAME_CIF));
switch (dwOldFrameSize & dwFrameSizes)
{
case FRAME_SQCIF:
CheckDlgButton(hDlg, IDC_VIDEO_SQCIF, TRUE);
break;
case FRAME_CIF:
CheckDlgButton(hDlg, IDC_VIDEO_CIF, TRUE);
break;
case FRAME_QCIF:
default:
CheckDlgButton(hDlg, IDC_VIDEO_QCIF, TRUE);
break;
}
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_QUALITY),
fAllowReceive);
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_QUALITY_DESC),
fAllowReceive);
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_QUALITY_LOW),
fAllowReceive);
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_QUALITY_HIGH),
fAllowReceive);
SendDlgItemMessage (hDlg, IDC_VIDEO_QUALITY, TBM_SETRANGE, FALSE,
MAKELONG (NM_VIDEO_MIN_QUALITY, NM_VIDEO_MAX_QUALITY ));
SendDlgItemMessage (hDlg, IDC_VIDEO_QUALITY, TBM_SETTICFREQ,
( NM_VIDEO_MAX_QUALITY - NM_VIDEO_MIN_QUALITY )
/ 8, 0 );
SendDlgItemMessage (hDlg, IDC_VIDEO_QUALITY, TBM_SETPAGESIZE,
0, ( NM_VIDEO_MAX_QUALITY - NM_VIDEO_MIN_QUALITY ) / 8 );
SendDlgItemMessage (hDlg, IDC_VIDEO_QUALITY, TBM_SETLINESIZE,
0, 1 );
SendDlgItemMessage (hDlg, IDC_VIDEO_QUALITY, TBM_SETPOS, TRUE,
dwOldQuality );
///////////////////////////////////////////////////////////
//
// Video Card and Camera
//
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_SOURCE), fAllowSend && fHasSourceDialog);
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_FORMAT), fAllowSend && fHasFormatDialog);
// mirror video button
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_MIRROR), fAllowSend);
Button_SetCheck(GetDlgItem(hDlg, IDC_VIDEO_MIRROR), fOldMirror);
return (TRUE);
}
case WM_NOTIFY:
switch (((NMHDR FAR *) lParam)->code) {
case PSN_APPLY:
{
BOOL fChecked;
///////////////////////////////////////////////////////////
//
// Sending and Receiving Video
//
if (fAllowSend)
{
fChecked = IsDlgButtonChecked(hDlg, IDC_VIDEO_AUTOSEND);
if ( fChecked != fOldAutoSend )
{
m_pLocal->EnableAutoXfer(fChecked);
g_dwChangedSettings |= CSETTING_L_VIDEO;
}
}
if (fAllowReceive)
{
fChecked = IsDlgButtonChecked(hDlg, IDC_VIDEO_AUTORECEIVE);
if ( fChecked != fOldAutoReceive ) {
m_pRemote->EnableAutoXfer(fChecked);
g_dwChangedSettings |= CSETTING_L_VIDEO;
}
}
///////////////////////////////////////////////////////////
//
// Video Image
//
if (dwNewFrameSize != dwOldFrameSize )
{
g_dwChangedSettings |= CSETTING_L_VIDEOSIZE;
}
if ( dwNewQuality != dwOldQuality )
{
g_dwChangedSettings |= CSETTING_L_VIDEO;
}
///////////////////////////////////////////////////////////
//
// Capture Device
//
if (dwNewCapDevID != dwOldCapDevID)
{
g_dwChangedSettings |= CSETTING_L_CAPTUREDEVICE;
}
break;
}
case PSN_RESET:
{
// restore settings
if ( dwNewQuality != dwOldQuality )
{
m_pRemote->SetImageQuality(dwOldQuality);
}
if ( dwNewFrameSize != dwOldFrameSize )
{
m_pLocal->SetFrameSize(dwOldFrameSize);
}
if (dwNewCapDevID != dwOldCapDevID)
{
// Set the capture device ID back to its old value
RegEntry reVideo(VIDEO_KEY, HKEY_CURRENT_USER);
reVideo.SetValue(REGVAL_CAPTUREDEVICEID, dwOldCapDevID);
reVideo.SetValue(REGVAL_CAPTUREDEVICENAME, szOldCapDevName);
m_pLocal->SetCurrCapDevID(dwOldCapDevID);
}
m_pLocal->SetMirror(fOldMirror);
}
}
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDC_VIDEO_SOURCE:
if ( HIWORD(wParam) == BN_CLICKED ) {
m_pLocal->ShowDialog(NM_VIDEO_SOURCE_DIALOG);
}
break;
case IDC_VIDEO_FORMAT:
if ( HIWORD(wParam) == BN_CLICKED ) {
m_pLocal->ShowDialog(NM_VIDEO_FORMAT_DIALOG);
}
break;
case IDC_VIDEO_SQCIF:
if (( HIWORD(wParam) == BN_CLICKED )
&& (dwNewFrameSize != FRAME_SQCIF))
{
dwNewFrameSize = FRAME_SQCIF;
m_pLocal->SetFrameSize(dwNewFrameSize);
}
break;
case IDC_VIDEO_CIF:
if (( HIWORD(wParam) == BN_CLICKED )
&& (dwNewFrameSize != FRAME_CIF))
{
dwNewFrameSize = FRAME_CIF;
m_pLocal->SetFrameSize(dwNewFrameSize);
}
break;
case IDC_VIDEO_QCIF:
if (( HIWORD(wParam) == BN_CLICKED )
&& (dwNewFrameSize != FRAME_QCIF))
{
dwNewFrameSize = FRAME_QCIF;
m_pLocal->SetFrameSize(dwNewFrameSize);
}
break;
case IDC_VIDEO_MIRROR:
if ((HIWORD(wParam) == BN_CLICKED))
{
BOOL bRet;
bRet = Button_GetCheck((HWND)lParam);
if (m_pLocal)
{
m_pLocal->SetMirror(bRet);
}
}
case IDC_COMBOCAP:
if (LBN_SELCHANGE == HIWORD(wParam))
{
int index;
RegEntry reVideo(VIDEO_KEY, HKEY_CURRENT_USER);
index = (int)SendMessage(GetDlgItem(hDlg, IDC_COMBOCAP), CB_GETCURSEL, 0, 0);
dwNewCapDevID = pdwCapDevIDs[index];
reVideo.SetValue(REGVAL_CAPTUREDEVICEID, dwNewCapDevID);
reVideo.SetValue(REGVAL_CAPTUREDEVICENAME, (LPSTR)(pszCapDevNames + index * nMaxCapDevNameLen));
if (dwNewCapDevID != (DWORD)m_pLocal->GetCurrCapDevID())
{
m_pLocal->SetCurrCapDevID(dwNewCapDevID);
// The dialog caps need to be reevaluated
fHasSourceDialog = m_pLocal->IsXferEnabled() &&
m_pLocal->HasDialog(NM_VIDEO_SOURCE_DIALOG);
fHasFormatDialog = m_pLocal->IsXferEnabled() &&
m_pLocal->HasDialog(NM_VIDEO_FORMAT_DIALOG);
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_SOURCE), fAllowSend && fHasSourceDialog);
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_FORMAT), fAllowSend && fHasFormatDialog);
// Update the size buttons
dwFrameSizes = m_pLocal->GetFrameSizes();
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_SQCIF), fAllowSend && (dwFrameSizes & FRAME_SQCIF));
if (dwNewFrameSize & FRAME_SQCIF)
{
if (dwFrameSizes & FRAME_SQCIF)
CheckDlgButton(hDlg, IDC_VIDEO_SQCIF, TRUE);
else
{
if (dwFrameSizes & FRAME_QCIF)
dwNewFrameSize = FRAME_QCIF;
else if (dwFrameSizes & FRAME_CIF)
dwNewFrameSize = FRAME_CIF;
CheckDlgButton(hDlg, IDC_VIDEO_SQCIF, FALSE);
}
}
else
{
CheckDlgButton(hDlg, IDC_VIDEO_SQCIF, FALSE);
}
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_QCIF), fAllowSend && (dwFrameSizes & FRAME_QCIF));
if (dwNewFrameSize & FRAME_QCIF)
{
if (dwFrameSizes & FRAME_QCIF)
CheckDlgButton(hDlg, IDC_VIDEO_QCIF, TRUE);
else
{
if (dwFrameSizes & FRAME_SQCIF)
{
dwNewFrameSize = FRAME_SQCIF;
CheckDlgButton(hDlg, IDC_VIDEO_SQCIF, TRUE);
}
else if (dwFrameSizes & FRAME_CIF)
dwNewFrameSize = FRAME_CIF;
CheckDlgButton(hDlg, IDC_VIDEO_QCIF, FALSE);
}
}
else
{
CheckDlgButton(hDlg, IDC_VIDEO_QCIF, FALSE);
}
EnableWindow(GetDlgItem(hDlg, IDC_VIDEO_CIF), fAllowSend && (dwFrameSizes & FRAME_CIF));
if (dwNewFrameSize & FRAME_CIF)
{
if (dwFrameSizes & FRAME_CIF)
CheckDlgButton(hDlg, IDC_VIDEO_CIF, TRUE);
else
{
if (dwFrameSizes & FRAME_QCIF)
{
dwNewFrameSize = FRAME_QCIF;
CheckDlgButton(hDlg, IDC_VIDEO_QCIF, TRUE);
}
else if (dwFrameSizes & FRAME_SQCIF)
{
dwNewFrameSize = FRAME_SQCIF;
CheckDlgButton(hDlg, IDC_VIDEO_SQCIF, TRUE);
}
CheckDlgButton(hDlg, IDC_VIDEO_CIF, FALSE);
}
}
else
{
CheckDlgButton(hDlg, IDC_VIDEO_CIF, FALSE);
}
m_pLocal->SetFrameSize(dwNewFrameSize);
}
}
break;
}
break;
case WM_HSCROLL:
if (TB_ENDTRACK == LOWORD(wParam))
{
DWORD dwValue = (DWORD)SendDlgItemMessage( hDlg, IDC_VIDEO_QUALITY,
TBM_GETPOS, 0, 0 );
if ( dwValue != dwNewQuality ) {
dwNewQuality = dwValue;
m_pRemote->SetImageQuality(dwNewQuality);
}
}
break;
case WM_DESTROY:
if (pdwCapDevIDs)
{
LocalFree(pdwCapDevIDs);
pdwCapDevIDs = (DWORD *)NULL;
}
if (szOldCapDevName)
{
LocalFree(szOldCapDevName);
szOldCapDevName = (LPSTR)NULL;
}
break;
case WM_CONTEXTMENU:
DoHelpWhatsThis(wParam, aContextHelpIds);
break;
case WM_HELP:
DoHelp(lParam, aContextHelpIds);
break;
}
return (FALSE);
}