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windows-nt/Source/XPSP1/NT/multimedia/media/avi/vidcap32/vidcap.c

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/**************************************************************************
*
* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
* KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
* PURPOSE.
*
* Copyright (c) 1992 - 1995 Microsoft Corporation. All Rights Reserved.
*
**************************************************************************/
/****************************************************************************
*
* vidcap.c: WinMain and command processing
*
* Vidcap32 Source code
*
***************************************************************************/
#include <windows.h>
#include <windowsx.h>
#include <commdlg.h>
#include <mmsystem.h>
#include <mmreg.h>
#include <io.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <memory.h>
#include <dos.h>
#include <shellapi.h>
#include <vfw.h>
#include <tchar.h>
#include "vidcap.h"
#include "vidframe.h"
#include "profile.h"
// generic window control classes
#include "toolbar.h"
#include "status.h"
#include "arrow.h"
#include "rlmeter.h"
#include "help.h"
// the standard toolbar class 'exports' this but doesn't put it in the
// header file
extern TCHAR szToolBarClass[];//HACK!
// height of the buttons on a toolbar - depends on the
// size of the bitmaps within IDBMP_TOOLBAR
#define BUTTONWIDTH 24
#define BUTTONHEIGHT 22
#define TOOLBAR_HEIGHT BUTTONHEIGHT + 6
// description and layout of toolbar buttons within IDBMP_TOOLBAR
#define APP_NUMTOOLS 8
#define BTN_SETFILE 0
#define BTN_EDITCAP 1
#define BTN_LIVE 2
#define BTN_CAPFRAME 3
#define BTN_CAPSEL 4
#define BTN_CAPAVI 5
#define BTN_CAPPAL 6
#define BTN_OVERLAY 7
static int aiButton[] = {BTN_SETFILE, BTN_EDITCAP,
BTN_LIVE, BTN_OVERLAY, BTN_CAPFRAME,
BTN_CAPSEL, BTN_CAPAVI, BTN_CAPPAL };
static int aiState[] = {BTNST_FOCUSUP, BTNST_UP,
BTNST_UP, BTNST_UP, BTNST_UP,
BTNST_UP, BTNST_UP, BTNST_UP};
static int aiType[] ={BTNTYPE_PUSH, BTNTYPE_PUSH,
BTNTYPE_CHECKBOX, BTNTYPE_CHECKBOX,
BTNTYPE_PUSH,
BTNTYPE_PUSH, BTNTYPE_PUSH, BTNTYPE_PUSH};
static int aiString[] = { IDC_toolbarSETFILE,
IDC_toolbarEDITCAP, IDC_toolbarLIVE,
IDC_toolbarOVERLAY,
IDC_toolbarCAPFRAME, IDC_toolbarCAPSEL,
IDC_toolbarCAPAVI, IDC_toolbarCAPPAL };
static int aPos[] = { 10, 35, 75, 100, 150, 175, 200, 225 };
//
// Global Variables
//
// preferences
BOOL gbCentre;
BOOL gbToolBar;
BOOL gbStatusBar;
BOOL gbAutoSizeFrame;
int gBackColour;
BOOL gbLive, gbOverlay;
BOOL gfIsRTL;
// saved window sizes
int gWinX, gWinY;
int gWinCX, gWinCY;
int gWinShow;
// command line options
int gCmdLineDeviceID = -1;
TCHAR gachAppName[] = "vidcapApp" ;
TCHAR gachIconName[] = "vidcapIcon" ;
TCHAR gachMenuName[] = "vidcapMenu" ;
TCHAR gachAppTitle[20]; //VidCap
TCHAR gachCaptureFile[_MAX_PATH];
TCHAR gachMCIDeviceName[21];
TCHAR gachString[128] ;
TCHAR gachBuffer[200] ;
TCHAR gachLastError[256];
HINSTANCE ghInstApp ;
HWND ghWndMain = NULL ;
HWND ghWndFrame; // child of ghWndMain - frames and scrolls
HWND ghWndCap ; // child of ghWndCap
HWND ghWndToolBar;
HWND ghWndStatus;
HANDLE ghAccel ;
WORD gwDeviceIndex ;
WORD gwPalFrames = DEF_PALNUMFRAMES ;
WORD gwPalColors = DEF_PALNUMCOLORS ;
WORD gwCapFileSize ;
CAPSTATUS gCapStatus ;
CAPDRIVERCAPS gCapDriverCaps ;
CAPTUREPARMS gCapParms ;
BOOL gbHaveHardware;
UINT gDriverCount;
BOOL gbIsScrncap; // For Scrncap.drv, we must yield
BOOL gbInLayout;
UINT gAVStreamMaster;
HANDLE ghwfex ;
LPWAVEFORMATEX glpwfex ;
FARPROC fpErrorCallback ;
FARPROC fpStatusCallback ;
FARPROC fpYieldCallback ;
// set to false when we capture a palette (or if we have warned him and
// he says its ok
BOOL bDefaultPalette = TRUE;
#ifdef DEBUG
int nTestCount;
#endif
// c-runtime cmd line
extern char ** __argv;
extern int __argc;
#define LimitRange(Val,Low,Hi) (max(Low,(min(Val,Hi))))
//
// Function prototypes
//
LRESULT FAR PASCAL MainWndProc(HWND, UINT, WPARAM, LPARAM) ;
LRESULT FAR PASCAL ErrorCallbackProc(HWND, int, LPSTR) ;
LRESULT FAR PASCAL StatusCallbackProc(HWND, int, LPSTR) ;
LRESULT FAR PASCAL YieldCallbackProc(HWND) ;
void vidcapSetLive(BOOL bLive);
void vidcapSetOverlay(BOOL bOverlay);
void vidcapSetCaptureFile(LPTSTR pFileName);
BOOL vidcapRegisterClasses(HINSTANCE hInstance, HINSTANCE hPrevInstance);
BOOL vidcapCreateWindows(HINSTANCE hInstance, HINSTANCE hPrevInstance);
void vidcapLayout(HWND hwnd);
BOOL vidcapEnumerateDrivers(HWND hwnd);
BOOL vidcapInitHardware(HWND hwnd, HWND hwndCap, UINT uIndex);
void vidcapReadProfile(void);
void vidcapWriteProfile(void);
void vidcapReadSettingsProfile(void);
void vidcapWriteSettingsProfile(void);
/* --- initialisation -------------------------------------------------- */
//
// WinMain: Application Entry Point Function
//
int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)
{
///////////////////////////////////////////////////////////////////////
// hInstance: handle for this instance
// hPrevInstance: handle for possible previous instances
// lpszCmdLine: long pointer to exec command line
// nCmdShow: Show code for main window display
///////////////////////////////////////////////////////////////////////
MSG msg ;
BOOL bValidCmdline;
BOOL fOK;
int i;
char ach[2];
ghInstApp = hInstance ;
LoadString(hInstance, IDS_CAP_RTL, ach, sizeof(ach));
gfIsRTL = ach[0] == '1';
gCmdLineDeviceID = -1;
// read the app title string - used in several message boxes
LoadString(hInstance, IDS_APP_TITLE, gachAppTitle, sizeof(gachAppTitle));
// read defaults out of the registry
vidcapReadProfile();
// look for cmd line options
bValidCmdline = TRUE;
for ( i = 1; (i < __argc) && bValidCmdline; i++) {
if ((__argv[i][0] == '/') || (__argv[i][0] == '-')) {
switch(__argv[i][1]) {
case 'D':
case 'd':
if (gCmdLineDeviceID < 0) {
// allow "-d0" and "-d 0"
PSTR p = &__argv[i][2];
if ((*p == 0) && ((i+1) < __argc)) {
p = __argv[++i];
}
gCmdLineDeviceID = atoi(p);
} else {
bValidCmdline = FALSE;
}
break;
default:
bValidCmdline = FALSE;
}
} else {
bValidCmdline = FALSE;
}
}
if (gCmdLineDeviceID == -1)
gCmdLineDeviceID = 0;
if (!bValidCmdline) {
MessageBoxID(IDS_ERR_CMDLINE, MB_OK|MB_ICONEXCLAMATION);
return(0);
}
if (!vidcapRegisterClasses(hInstance, hPrevInstance)) {
MessageBoxID(IDS_ERR_REGISTER_CLASS,
#ifdef BIDI
MB_RTL_READING |
#endif
MB_ICONEXCLAMATION) ;
return 0 ;
}
if (!vidcapCreateWindows(hInstance, hPrevInstance)) {
MessageBoxID(IDS_ERR_CREATE_WINDOW,
#ifdef BIDI
MB_RTL_READING |
#endif
MB_ICONEXCLAMATION | MB_OK) ;
return IDS_ERR_CREATE_WINDOW ;
}
// Get the default setup for video capture from the AVICap window
capCaptureGetSetup(ghWndCap, &gCapParms, sizeof(CAPTUREPARMS)) ;
// Overwrite the defaults with settings we have saved in the profile
vidcapReadSettingsProfile();
// Show the main window before connecting the hardware as this can be
// time consuming and the user should see something happening first...
ShowWindow(ghWndMain, nCmdShow) ;
UpdateWindow(ghWndMain) ;
ghAccel = LoadAccelerators(hInstance, "VIDCAP") ;
// Create a list of all capture drivers and append them to the Options menu
if (!(fOK = vidcapEnumerateDrivers(ghWndMain))) {
LoadString(ghInstApp, IDS_ERR_FIND_HARDWARE, gachLastError, sizeof(gachLastError)/sizeof(*gachLastError));
}
// Try to connect to a capture driver
else if (fOK = vidcapInitHardware(ghWndMain, ghWndCap,
bValidCmdline ? gCmdLineDeviceID : 0)) {
// Hooray, we now have a capture driver connected!
vidcapSetCaptureFile(gachCaptureFile);
}
if (!fOK) {
if (!DoDialog(ghWndMain, IDD_NoCapHardware, NoHardwareDlgProc,
(LONG_PTR) (LPSTR) gachLastError)) {
// The user has asked to abort, since no driver was available
PostMessage(ghWndMain, WM_COMMAND,
GET_WM_COMMAND_MPS(IDM_F_EXIT, 0, 0));
}
}
// All set; get and process messages
while (GetMessage(&msg, NULL, 0, 0)) {
if (! TranslateAccelerator(ghWndMain, ghAccel, &msg)) {
TranslateMessage(&msg) ;
DispatchMessage(&msg) ;
}
}
return (int) msg.wParam;
} // End of WinMain
BOOL
vidcapRegisterClasses(HINSTANCE hInstance, HINSTANCE hPrevInstance)
{
WNDCLASS wc;
if (! hPrevInstance) {
// If it's the first instance, register the window class
wc.lpszClassName = gachAppName ;
wc.hInstance = hInstance ;
wc.lpfnWndProc = MainWndProc ;
wc.hCursor = LoadCursor(NULL, IDC_ARROW) ;
wc.hIcon = LoadIcon(hInstance, gachIconName) ;
wc.lpszMenuName = gachMenuName ;
wc.hbrBackground = GetStockObject(WHITE_BRUSH) ;
wc.style = CS_HREDRAW | CS_VREDRAW ;
wc.cbClsExtra = 0 ;
wc.cbWndExtra = 0 ;
if (!RegisterClass(&wc)) {
return(FALSE);
}
if (!ArrowInit(hInstance)) {
return(FALSE);
}
if (!RLMeter_Register(hInstance)) {
return(FALSE);
}
}
if (!toolbarInit(hInstance, hPrevInstance)) {
return(FALSE);
}
if (!statusInit(hInstance, hPrevInstance)) {
return(FALSE);
}
return(TRUE);
}
BOOL
vidcapCreateWindows(HINSTANCE hInstance, HINSTANCE hPrevInstance)
{
POINT pt;
RECT rc;
TOOLBUTTON tb;
int i;
// Create Application's Main window
ghWndMain = CreateWindowEx(
gfIsRTL ? WS_EX_LEFTSCROLLBAR | WS_EX_RIGHT | WS_EX_RTLREADING : 0,
gachAppName,
gachAppTitle,
WS_CAPTION |
WS_SYSMENU |
WS_MINIMIZEBOX |
WS_MAXIMIZEBOX |
WS_THICKFRAME |
WS_CLIPCHILDREN |
WS_OVERLAPPED,
gWinX, gWinY,
gWinCX, gWinCY,
NULL,
NULL,
hInstance,
0) ;
if (ghWndMain == NULL) {
return(FALSE);
}
/*
* create a vidframe child window - this will create a child
* AVICAP window within itself.
*
* Don't worry about size and position - vidcapLayout will do this
* later (once we know the video format size).
*/
ghWndFrame = vidframeCreate(
ghWndMain,
hInstance,
hPrevInstance,
0, 0, 0, 0,
&ghWndCap);
if ((ghWndFrame == NULL) || (ghWndCap == NULL)) {
return(FALSE);
}
// Register the status and error callbacks before driver connects
// so we can get feedback about the connection process
fpErrorCallback = MakeProcInstance((FARPROC)ErrorCallbackProc, ghInstApp) ;
capSetCallbackOnError(ghWndCap, fpErrorCallback) ;
fpStatusCallback = MakeProcInstance((FARPROC)StatusCallbackProc, ghInstApp) ;
capSetCallbackOnStatus(ghWndCap, fpStatusCallback) ;
// We'll only install a yield callback later if using Scrncap.drv
fpYieldCallback = MakeProcInstance((FARPROC)YieldCallbackProc, ghInstApp) ;
/*
* CREATE THE TOOL BAR WINDOW
*/
/* NOTE: let vidcapLayout() position it */
ghWndToolBar = CreateWindowEx(
gfIsRTL ? WS_EX_LEFTSCROLLBAR | WS_EX_RIGHT | WS_EX_RTLREADING : 0,
szToolBarClass,
NULL,
WS_CHILD|WS_BORDER|WS_VISIBLE|WS_TABSTOP|
WS_CLIPSIBLINGS,
0, 0,
0, 0,
ghWndMain,
NULL,
hInstance,
NULL);
if (ghWndToolBar == NULL) {
return(FALSE);
}
/* set the bitmap and button size to be used for this toolbar */
pt.x = BUTTONWIDTH;
pt.y = BUTTONHEIGHT;
toolbarSetBitmap(ghWndToolBar, hInstance, IDBMP_TOOLBAR, pt);
for (i = 0; i < APP_NUMTOOLS; i++) {
rc.left = aPos[i];
rc.top = 2;
rc.right = rc.left + pt.x;
rc.bottom = rc.top + pt.y;
tb.rc = rc;
tb.iButton = aiButton[i];
tb.iState = aiState[i];
tb.iType = aiType[i];
tb.iString = aiString[i];
toolbarAddTool(ghWndToolBar, tb);
}
// create the status bar - let vidcapLayout do the positioning
ghWndStatus = CreateWindowEx(
gfIsRTL ? WS_EX_LEFTSCROLLBAR | WS_EX_RIGHT | WS_EX_RTLREADING : 0,
szStatusClass,
NULL,
WS_CHILD|WS_BORDER|WS_VISIBLE|WS_CLIPSIBLINGS,
0, 0,
0, 0,
ghWndMain,
NULL,
hInstance,
NULL);
if (ghWndStatus == NULL) {
return(FALSE);
}
return(TRUE);
}
/*
* Enumerate the potential capture drivers and add the list to the Options
* menu. This function is only called once at startup.
* Returns FALSE if no drivers are available.
*/
BOOL
vidcapEnumerateDrivers(HWND hwnd)
{
TCHAR achDeviceVersion[80] ;
TCHAR achDeviceAndVersion[160] ;
UINT uIndex ;
HMENU hMenuSub;
gDriverCount = 0 ;
hMenuSub = GetSubMenu (GetMenu (hwnd), 2); // Options menu
for (uIndex = 0 ; uIndex < MAXVIDDRIVERS ; uIndex++) {
if (capGetDriverDescription(uIndex,
(LPSTR)achDeviceAndVersion, sizeof(achDeviceAndVersion),
(LPSTR)achDeviceVersion, sizeof(achDeviceVersion))) {
// Concatenate the device name and version strings
lstrcat (achDeviceAndVersion, ", ");
lstrcat (achDeviceAndVersion, achDeviceVersion);
AppendMenu (hMenuSub,
MF_STRING,
IDM_O_DRIVER0 + uIndex,
achDeviceAndVersion);
gDriverCount++;
}
else
break;
}
// Now refresh menu, position capture window, start driver etc
DrawMenuBar(ghWndMain) ;
return (gDriverCount);
}
/*
* Connect the capture window to a capture driver.
* uIndex specifies the index of the driver to use.
* Returns TRUE on success, or FALSE if the driver connection failed.
*/
BOOL
vidcapInitHardware(HWND hwnd, HWND hwndCap, UINT uIndex)
{
UINT uError ;
UINT uI;
HMENU hMenu;
TCHAR szName[MAX_PATH];
TCHAR szVersion[MAX_PATH];
// Since the driver may not provide a reliable error string
// provide a default
LoadString(ghInstApp, IDS_ERR_FIND_HARDWARE, gachLastError, sizeof(gachLastError)/sizeof(*gachLastError));
// Try connecting to the capture driver
if (uError = capDriverConnect(hwndCap, uIndex)) {
gbHaveHardware = TRUE;
gwDeviceIndex = (WORD) uIndex;
}
else {
gbHaveHardware = FALSE;
gbLive = FALSE;
gbOverlay = FALSE;
}
// Get the capabilities of the capture driver
capDriverGetCaps(hwndCap, &gCapDriverCaps, sizeof(CAPDRIVERCAPS)) ;
// Get the settings for the capture window
capGetStatus(hwndCap, &gCapStatus , sizeof(gCapStatus));
// Modify the toolbar buttons
toolbarModifyState(ghWndToolBar, BTN_CAPFRAME,
gbHaveHardware ? BTNST_UP : BTNST_GRAYED);
toolbarModifyState(ghWndToolBar, BTN_CAPSEL,
gbHaveHardware ? BTNST_UP : BTNST_GRAYED);
toolbarModifyState(ghWndToolBar, BTN_CAPAVI,
gbHaveHardware ? BTNST_UP : BTNST_GRAYED);
toolbarModifyState(ghWndToolBar, BTN_LIVE,
gbHaveHardware ? BTNST_UP : BTNST_GRAYED);
// Is overlay supported?
toolbarModifyState(ghWndToolBar, BTN_OVERLAY,
(gbHaveHardware && gCapDriverCaps.fHasOverlay) ?
BTNST_UP : BTNST_GRAYED);
// Can the device create palettes?
toolbarModifyState(ghWndToolBar, BTN_CAPPAL,
(gbHaveHardware && gCapDriverCaps.fDriverSuppliesPalettes) ?
BTNST_UP : BTNST_GRAYED);
// Check the appropriate driver in the Options menu
hMenu = GetMenu (hwnd);
for (uI = 0; uI < gDriverCount; uI++) {
CheckMenuItem (hMenu, IDM_O_DRIVER0 + uI,
MF_BYCOMMAND | ((uIndex == uI) ? MF_CHECKED : MF_UNCHECKED));
}
// Unlike all other capture drivers, Scrncap.drv needs to use
// a Yield callback, and we don't want to abort on mouse clicks,
// so determine if the current driver is Scrncap.drv
capGetDriverDescription (uIndex,
szName, sizeof (szName),
szVersion, sizeof (szVersion));
// Set a flag if we're using Scrncap.drv
gbIsScrncap = (_tcsstr (szName, "Screen Capture") != NULL);
// Get video format and adjust capture window
vidcapLayout(ghWndMain);
InvalidateRect(ghWndMain, NULL, TRUE);
// set the preview rate (units are millisecs)
capPreviewRate(hwndCap, gbHaveHardware ? 33 : 0);
// set live/overlay to default
vidcapSetLive(gbLive);
vidcapSetOverlay(gbOverlay);
_tcscat (szName, ", ");
_tcscat (szName, szVersion);
statusUpdateStatus(ghWndStatus,
gbHaveHardware ? szName : gachLastError);
return gbHaveHardware;
}
/*
* layout the main window. Put the toolbar at the top and the status
* line at the bottom, and then give all the rest to vidframe,
* - it will centre or scroll the AVICAP window appropriately.
*/
void
vidcapLayout(HWND hwnd)
{
RECT rc;
RECT rw;
int cy;
int cyBorder, cxBorder;
int cyTotal;
int cxToolbar;
int cyMenuAndToolbarAndCaption;
gbInLayout = TRUE; // So that we process WM_GETMINMAXINFO normally
/* for both the toolbar and status bar window,
* we want just one of the four borders. We do this
* by setting the WS_BORDER style, and sizing and positioning
* the window so that the 3 unwanted borders are outside the parent.
*/
cyBorder = GetSystemMetrics(SM_CYBORDER);
cxBorder = GetSystemMetrics(SM_CXBORDER);
// Figure out the height of the menu, toolbar, and caption
GetWindowRect (hwnd, &rw);
GetClientRect (hwnd, &rc);
ClientToScreen (hwnd, (LPPOINT) &rc);
cyMenuAndToolbarAndCaption = (rc.top - rw.top) + TOOLBAR_HEIGHT;
cxToolbar = aPos[APP_NUMTOOLS - 1] + BUTTONWIDTH * 3;
if (gbAutoSizeFrame && gbHaveHardware && gCapStatus.uiImageWidth) {
cyTotal = gCapStatus.uiImageHeight +
cyMenuAndToolbarAndCaption +
(gbStatusBar ? statusGetHeight() : 0) +
cyBorder * 2 +
12; // vidFrame height
// Never make the frame smaller than the toolbar
if (gCapStatus.uiImageWidth >= (UINT) cxToolbar) {
SetWindowPos(
hwnd,
0, // placement-order handle
0, // horizontal position
0, // vertical position
gCapStatus.uiImageWidth + cxBorder * 24, // width
cyTotal, // height
SWP_NOZORDER | SWP_NOMOVE // window-positioning flags
);
} else {
SetWindowPos(
hwnd,
0, // placement-order handle
0, // horizontal position
0, // vertical position
cxToolbar, // width
cyTotal, // height
SWP_NOZORDER | SWP_NOMOVE // window-positioning flags
);
}
}
GetClientRect(hwnd, &rc);
if (gbToolBar) {
// put the toolbar at the top - in fact, just off the top so as to
// hide it's border
MoveWindow(
ghWndToolBar,
-cxBorder, -cyBorder,
RECTWIDTH(rc)+ (cxBorder * 2),
TOOLBAR_HEIGHT,
TRUE);
rc.top += (TOOLBAR_HEIGHT - cyBorder);
} else {
MoveWindow(ghWndToolBar, 0, 0, 0, 0, TRUE);
}
// status bar at the bottom
if (gbStatusBar) {
cy = statusGetHeight() + cyBorder;
MoveWindow(
ghWndStatus,
-cxBorder, rc.bottom - cy,
RECTWIDTH(rc) + (2 * cxBorder), cy + cyBorder,
TRUE);
rc.bottom -= cy;
} else {
MoveWindow(ghWndStatus, 0, 0, 0, 0, TRUE);
}
// rest of window goes to vidframe window
MoveWindow(
ghWndFrame,
rc.left, rc.top,
RECTWIDTH(rc), RECTHEIGHT(rc),
TRUE);
// Always layout the frame window, since it is aligned on a
// DWORD boundary for maximum codec drawing efficiency
vidframeLayout(ghWndFrame, ghWndCap);
gbInLayout = FALSE;
}
/*
* initialise settings from the profile used before window creation time
*/
void
vidcapReadProfile(void)
{
// read defaults out of the registry
gbCentre = mmGetProfileFlag(gachAppTitle, "CenterImage", TRUE);
gbToolBar = mmGetProfileFlag(gachAppTitle, "ToolBar", TRUE);
gbStatusBar = mmGetProfileFlag(gachAppTitle, "StatusBar", TRUE);
gbAutoSizeFrame = mmGetProfileFlag(gachAppTitle, "AutoSizeFrame", TRUE);
gBackColour = mmGetProfileInt(gachAppTitle, "BackgroundColor", IDD_PrefsLtGrey);
gWinX = mmGetProfileInt(gachAppTitle, "WindowXPos", (UINT) CW_USEDEFAULT);
if (gWinX != (UINT) CW_USEDEFAULT)
gWinX = LimitRange(gWinX, 0, GetSystemMetrics (SM_CXSCREEN) - 40);
gWinY = mmGetProfileInt(gachAppTitle, "WindowYPos", 0);
gWinY = LimitRange(gWinY, 0, GetSystemMetrics (SM_CYSCREEN) - 40);
gWinCX = mmGetProfileInt(gachAppTitle, "WindowWidth", 320);
gWinCX = LimitRange(gWinCX, 20, GetSystemMetrics (SM_CXSCREEN));
gWinCY = mmGetProfileInt(gachAppTitle, "WindowHeight", 240);
gWinCY = LimitRange(gWinCY, 20, GetSystemMetrics (SM_CYSCREEN));
gWinShow = mmGetProfileInt(gachAppTitle, "WindowShow", SW_SHOWDEFAULT);
gWinShow = LimitRange(gWinShow, SW_SHOWNORMAL, SW_SHOWDEFAULT);
gbOverlay = mmGetProfileInt(gachAppTitle, "OverlayWindow", FALSE);
gbLive = mmGetProfileInt(gachAppTitle, "LiveWindow", TRUE);
}
void
vidcapWriteProfile(void)
{
mmWriteProfileFlag(gachAppTitle, "CenterImage", gbCentre, TRUE);
mmWriteProfileFlag(gachAppTitle, "ToolBar", gbToolBar, TRUE);
mmWriteProfileFlag(gachAppTitle, "StatusBar", gbStatusBar, TRUE);
mmWriteProfileFlag(gachAppTitle, "AutoSizeFrame", gbAutoSizeFrame, TRUE);
mmWriteProfileInt(gachAppTitle, "BackgroundColor", gBackColour, IDD_PrefsLtGrey);
mmWriteProfileInt(gachAppTitle, "WindowXPos", gWinX, (UINT) CW_USEDEFAULT);
mmWriteProfileInt(gachAppTitle, "WindowYPos", gWinY, 0);
mmWriteProfileInt(gachAppTitle, "WindowWidth", gWinCX, 320);
mmWriteProfileInt(gachAppTitle, "WindowHeight", gWinCY, 240);
mmWriteProfileInt(gachAppTitle, "WindowShow", gWinShow, SW_SHOWDEFAULT);
mmWriteProfileInt(gachAppTitle, "OverlayWindow", gbOverlay, FALSE);
mmWriteProfileInt(gachAppTitle, "LiveWindow", gbLive, TRUE);
}
/*
* initialise settings from the profile used AFTER window creation time
*/
void
vidcapReadSettingsProfile(void)
{
DWORD dwSize;
mmGetProfileString(gachAppTitle, "CaptureFile", "",
gachCaptureFile, sizeof(gachCaptureFile));
mmGetProfileString(gachAppTitle, "MCIDevice", "VideoDisc",
gachMCIDeviceName, sizeof(gachMCIDeviceName));
gCapParms.dwRequestMicroSecPerFrame =
mmGetProfileInt(gachAppTitle, "MicroSecPerFrame",
DEF_CAPTURE_RATE);
gCapParms.dwRequestMicroSecPerFrame =
mmGetProfileInt(gachAppTitle, "MicroSecPerFrame",
DEF_CAPTURE_RATE);
gCapParms.fCaptureAudio = mmGetProfileFlag(gachAppTitle, "CaptureAudio",
gCapStatus.fAudioHardware);
gCapParms.fLimitEnabled = mmGetProfileFlag(gachAppTitle, "LimitEnabled",
FALSE);
gCapParms.wTimeLimit =
mmGetProfileInt(gachAppTitle, "TimeLimit", 30);
gCapParms.fMCIControl= mmGetProfileFlag(gachAppTitle, "MCIControl", FALSE);
gCapParms.fStepMCIDevice= mmGetProfileFlag(gachAppTitle, "StepMCIDevice", FALSE);
gCapParms.dwMCIStartTime =
mmGetProfileInt(gachAppTitle, "MCIStartTime", 10000);
gCapParms.dwMCIStopTime =
mmGetProfileInt(gachAppTitle, "MCIStopTime", 20000);
gCapParms.fStepCaptureAt2x = mmGetProfileFlag(gachAppTitle, "StepCapture2x",
FALSE);
gCapParms.wStepCaptureAverageFrames =
mmGetProfileInt(gachAppTitle, "StepCaptureAverageFrames", 3);
gCapParms.AVStreamMaster = mmGetProfileInt (gachAppTitle, "AVStreamMaster",
AVSTREAMMASTER_AUDIO);
gCapParms.fUsingDOSMemory = mmGetProfileFlag (gachAppTitle, "CaptureToDisk",
TRUE);
gCapParms.dwIndexSize =
mmGetProfileInt(gachAppTitle, "IndexSize",
CAP_SMALL_INDEX);
// Retrieve the saved audio format
// Ask the ACM what the largest known wave format is
acmMetrics(NULL,
ACM_METRIC_MAX_SIZE_FORMAT,
&dwSize);
// If a wave format was saved in the registry, use that size
dwSize = max (dwSize, mmGetProfileBinary(gachAppTitle, "WaveFormatBinary",
NULL,
NULL,
0));
if (glpwfex = (LPWAVEFORMATEX) GlobalAllocPtr(GHND, dwSize)) {
capGetAudioFormat(ghWndCap, glpwfex, (WORD)dwSize) ;
mmGetProfileBinary(gachAppTitle, "WaveFormatBinary",
glpwfex,
glpwfex,
dwSize);
// Do some sanity checking
if (MMSYSERR_NOERROR == waveInOpen (NULL, WAVE_MAPPER,
glpwfex, 0, 0, WAVE_FORMAT_QUERY)) {
capSetAudioFormat(ghWndCap, glpwfex, (WORD)dwSize) ;
}
GlobalFreePtr(glpwfex) ;
}
}
void
vidcapWriteSettingsProfile(void)
{
mmWriteProfileString(gachAppTitle, "CaptureFile", gachCaptureFile);
mmWriteProfileString(gachAppTitle, "MCIDevice", gachMCIDeviceName);
mmWriteProfileInt(gachAppTitle, "MicroSecPerFrame",
gCapParms.dwRequestMicroSecPerFrame, DEF_CAPTURE_RATE);
mmWriteProfileFlag(gachAppTitle, "CaptureAudio",
gCapParms.fCaptureAudio, gCapStatus.fAudioHardware);
mmWriteProfileFlag(gachAppTitle, "LimitEnabled",
gCapParms.fLimitEnabled, FALSE);
mmWriteProfileInt(gachAppTitle, "TimeLimit",
gCapParms.wTimeLimit, 30);
mmWriteProfileFlag(gachAppTitle, "MCIControl",
gCapParms.fMCIControl, FALSE);
mmWriteProfileFlag(gachAppTitle, "StepMCIDevice",
gCapParms.fStepMCIDevice, FALSE);
mmWriteProfileInt(gachAppTitle, "MCIStartTime",
gCapParms.dwMCIStartTime, 10000);
mmWriteProfileInt(gachAppTitle, "MCIStopTime",
gCapParms.dwMCIStopTime, 20000);
mmWriteProfileFlag(gachAppTitle, "StepCapture2x",
gCapParms.fStepCaptureAt2x, FALSE);
mmWriteProfileInt(gachAppTitle, "StepCaptureAverageFrames",
gCapParms.wStepCaptureAverageFrames, 3);
mmWriteProfileInt(gachAppTitle, "AVStreamMaster",
gCapParms.AVStreamMaster, AVSTREAMMASTER_AUDIO);
mmWriteProfileFlag(gachAppTitle, "CaptureToDisk",
gCapParms.fUsingDOSMemory, TRUE);
mmWriteProfileInt(gachAppTitle, "IndexSize",
gCapParms.dwIndexSize, CAP_SMALL_INDEX);
// The audio format is written whenever it is changed via dlg
}
/* --- error/status functions -------------------------------------------*/
/*
* put up a message box loading a string from the
* resource file
*/
int
MessageBoxID(UINT idString, UINT fuStyle)
{
TCHAR achMessage[256]; // max message length
LoadString(ghInstApp, idString, achMessage, sizeof(achMessage));
return MessageBox(ghWndMain, achMessage, gachAppTitle, fuStyle);
}
//
// ErrorCallbackProc: Error Callback Function
//
LRESULT FAR PASCAL ErrorCallbackProc(HWND hWnd, int nErrID, LPSTR lpErrorText)
{
////////////////////////////////////////////////////////////////////////
// hWnd: Application main window handle
// nErrID: Error code for the encountered error
// lpErrorText: Error text string for the encountered error
////////////////////////////////////////////////////////////////////////
if (!ghWndMain)
return FALSE;
if (nErrID == 0) // Starting a new major function
return TRUE; // Clear out old errors...
// save the error message for use in NoHardwareDlgProc
_tcscpy(gachLastError, lpErrorText);
// Show the error ID and text
MessageBox(hWnd, lpErrorText, gachAppTitle,
#ifdef BIDI
MB_RTL_READING |
#endif
MB_OK | MB_ICONEXCLAMATION) ;
return (LRESULT) TRUE ;
}
//
// StatusCallbackProc: Status Callback Function
//
LRESULT FAR PASCAL StatusCallbackProc(HWND hWnd, int nID, LPSTR lpStatusText)
{
////////////////////////////////////////////////////////////////////////
// hWnd: Application main window handle
// nID: Status code for the current status
// lpStatusText: Status text string for the current status
////////////////////////////////////////////////////////////////////////
static int CurrentID;
if (!ghWndMain) {
return FALSE;
}
// the CAP_END message sometimes overwrites a useful
// statistics message.
if (nID == IDS_CAP_END) {
if ((CurrentID == IDS_CAP_STAT_VIDEOAUDIO) ||
(CurrentID == IDS_CAP_STAT_VIDEOONLY)) {
return(TRUE);
}
}
CurrentID = nID;
statusUpdateStatus(ghWndStatus, lpStatusText);
return (LRESULT) TRUE ;
}
//
// YieldCallbackProc: Status Callback Function
// (Only used for Scrncap.drv driver)
//
LRESULT FAR PASCAL YieldCallbackProc(HWND hWnd)
{
////////////////////////////////////////////////////////////////////////
// hWnd: Application main window handle
////////////////////////////////////////////////////////////////////////
MSG msg;
if (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
// Return TRUE to continue capturing
return (LRESULT) TRUE;
}
/*
* load a string from the string table and return
* a pointer to it for temporary use. Each call
* overwrites the previous
*/
LPTSTR
tmpString(UINT idString)
{
static TCHAR ach[350];
LoadString(ghInstApp, idString, ach, sizeof(ach)/sizeof(TCHAR));
// ensure null terminated
ach[sizeof(ach) -1] = 0;
return(ach);
}
/* --- connect to and init hardware ------------------------------------- */
void
vidcapSetLive(BOOL bLive)
{
capPreview(ghWndCap, bLive);
toolbarModifyState(ghWndToolBar, BTN_LIVE, bLive? BTNST_DOWN : BTNST_UP);
CheckMenuItem(GetMenu(ghWndMain), IDM_O_PREVIEW,
MF_BYCOMMAND | (bLive ? MF_CHECKED : MF_UNCHECKED));
gbLive = bLive;
if (bLive == TRUE) {
vidcapSetOverlay(FALSE);
}
}
void
vidcapSetOverlay(BOOL bOverlay)
{
if (!gCapDriverCaps.fHasOverlay) {
CheckMenuItem(GetMenu(ghWndMain), IDM_O_OVERLAY,
MF_BYCOMMAND | MF_UNCHECKED);
gbOverlay = FALSE;
return;
}
capOverlay(ghWndCap, bOverlay);
toolbarModifyState(ghWndToolBar, BTN_OVERLAY, bOverlay ? BTNST_DOWN : BTNST_UP);
CheckMenuItem(GetMenu(ghWndMain), IDM_O_OVERLAY,
MF_BYCOMMAND | (bOverlay ? MF_CHECKED : MF_UNCHECKED));
gbOverlay = bOverlay;
if (bOverlay == TRUE) {
vidcapSetLive(FALSE);
}
}
void
vidcapSetCaptureFile(LPTSTR pFileName)
{
TCHAR achBuffer[_MAX_PATH];
if ((pFileName != NULL) && (_tcslen(pFileName) > 0)) {
// record the capture filename
if (_tcscmp(gachCaptureFile, pFileName)) {
_tcscpy(gachCaptureFile, pFileName);
}
// and set window title
wsprintf(achBuffer, "%s - %s", gachAppTitle, pFileName);
} else {
gachCaptureFile[0] = 0;
_tcscpy(achBuffer, gachAppTitle);
}
capFileSetCaptureFile(ghWndCap, gachCaptureFile);
SetWindowText(ghWndMain, achBuffer);
}
/* --- winproc and message handling --------------------------------------- */
/*
* called from WM_COMMAND processing if the
* message is from the toolbar. iButton contains the
* button ID in the lower 8 bits, and the flags in the upper 8 bits/
*/
LONG FAR PASCAL
toolbarCommand (HWND hWnd, int iButton, HWND hwndToolbar)
{
int iBtnPos, iState, iActivity, iString;
// check repeat bit
if (iButton & BTN_REPEAT) {
return(0);
}
iButton &= 0xff;
iBtnPos = toolbarIndexFromButton(hwndToolbar, iButton);
iState = toolbarStateFromButton(hwndToolbar, iButton);
iActivity = toolbarActivityFromButton(hwndToolbar, iButton);
iString = toolbarStringFromIndex(hwndToolbar, iBtnPos);
switch(iActivity) {
case BTNACT_MOUSEDOWN:
case BTNACT_KEYDOWN:
case BTNACT_MOUSEMOVEON:
statusUpdateStatus(ghWndStatus, MAKEINTRESOURCE(iString));
break;
case BTNACT_MOUSEMOVEOFF:
statusUpdateStatus(ghWndStatus, NULL);
break;
case BTNACT_MOUSEUP:
case BTNACT_KEYUP:
statusUpdateStatus(ghWndStatus, NULL);
switch(iButton) {
case BTN_SETFILE:
SendMessage(hWnd, WM_COMMAND,
GET_WM_COMMAND_MPS(IDM_F_SETCAPTUREFILE, NULL, 0));
break;
case BTN_EDITCAP:
// edit captured video
SendMessage(hWnd, WM_COMMAND,
GET_WM_COMMAND_MPS(IDM_F_EDITVIDEO, NULL, 0));
break;
case BTN_LIVE:
SendMessage(hWnd,WM_COMMAND,
GET_WM_COMMAND_MPS(IDM_O_PREVIEW, NULL, 0));
break;
case BTN_CAPFRAME:
SendMessage(hWnd, WM_COMMAND,
GET_WM_COMMAND_MPS(IDM_C_CAPTUREFRAME, NULL, 0));
break;
case BTN_CAPSEL:
// capture selected frames
SendMessage(hWnd, WM_COMMAND,
GET_WM_COMMAND_MPS(IDM_C_CAPSEL, NULL, 0));
break;
case BTN_CAPAVI:
SendMessage(hWnd,WM_COMMAND,
GET_WM_COMMAND_MPS(IDM_C_CAPTUREVIDEO, NULL, 0));
break;
case BTN_CAPPAL:
SendMessage(hWnd, WM_COMMAND,
GET_WM_COMMAND_MPS(IDM_C_PALETTE, NULL, 0));
break;
case BTN_OVERLAY:
SendMessage(hWnd, WM_COMMAND,
GET_WM_COMMAND_MPS(IDM_O_OVERLAY, NULL, 0));
break;
}
break;
}
return(0);
}
/*
* Put up a dialog to allow the user to select a capture file.
*/
LONG FAR PASCAL
cmdSetCaptureFile(HWND hWnd)
{
OPENFILENAME ofn ;
LPTSTR p;
TCHAR achFileName[_MAX_PATH];
TCHAR achBuffer[_MAX_PATH] ;
UINT wError ;
HANDLE hFilter;
int oldhelpid;
// Get current capture file name and
// then try to get the new capture file name
if (wError = capFileGetCaptureFile(ghWndCap, achFileName,
sizeof(achFileName))) {
// Get just the path info
// Terminate the full path at the last backslash
_tcscpy (achBuffer, achFileName);
for (p = achBuffer + _tcslen(achBuffer); p > achBuffer; p--) {
if (*p == '\\') {
*(p+1) = '\0';
break;
}
}
_fmemset(&ofn, 0, sizeof(OPENFILENAME)) ;
ofn.lStructSize = sizeof(OPENFILENAME) ;
ofn.hwndOwner = hWnd ;
//load filters from resource stringtable
if ( (hFilter = FindResource(ghInstApp, MAKEINTRESOURCE(ID_FILTER_AVI), RT_RCDATA))
&& (hFilter = LoadResource(ghInstApp, hFilter)) )
{
ofn.lpstrFilter = LockResource(hFilter);
}
else
{
ofn.lpstrFilter = NULL;
}
ofn.nFilterIndex = 0 ;
ofn.lpstrFile = achFileName ;
ofn.nMaxFile = sizeof(achFileName) ;
ofn.lpstrFileTitle = NULL;
ofn.lpstrTitle = tmpString(IDS_TITLE_SETCAPTUREFILE);
ofn.nMaxFileTitle = 0 ;
ofn.lpstrInitialDir = achBuffer;
ofn.Flags =
#ifdef BIDI
OFN_BIDIDIALOG |
#endif
OFN_HIDEREADONLY |
OFN_NOREADONLYRETURN |
OFN_PATHMUSTEXIST ;
// set help context for dialog
oldhelpid = SetCurrentHelpContext(IDA_SETCAPFILE);
if (GetOpenFileName(&ofn)) {
OFSTRUCT os;
vidcapSetCaptureFile(achFileName);
/*
* if this is a new file, then invite the user to
* allocate some space
*/
if (OpenFile(achFileName, &os, OF_EXIST) == HFILE_ERROR) {
/*
* show the allocate file space dialog to encourage
* the user to pre-allocate space
*/
if (DoDialog(hWnd, IDD_AllocCapFileSpace, AllocCapFileProc, 0)) {
// ensure repaint after dismissing dialog before
// possibly lengthy operation
UpdateWindow(ghWndMain);
// If user has hit OK then alloc requested capture file space
if (! capFileAlloc(ghWndCap, (long) gwCapFileSize * ONEMEG)) {
MessageBoxID(IDS_ERR_CANT_PREALLOC,
#ifdef BIDI
MB_RTL_READING |
#endif
MB_OK | MB_ICONEXCLAMATION) ;
}
}
}
}
// restore old help context
SetCurrentHelpContext(oldhelpid);
if (hFilter) {
UnlockResource(hFilter);
}
}
return(0);
}
/*
* query the user for a filename, and then save the captured video
* to that file
*/
LONG FAR PASCAL
cmdSaveVideoAs(HWND hWnd)
{
OPENFILENAME ofn ;
TCHAR achFileName[_MAX_PATH];
UINT wError ;
HANDLE hFilter;
int oldhelpid;
// Get the current capture file name and
// then get the substitute file name to save video in
if (wError = capFileGetCaptureFile(ghWndCap, achFileName, sizeof(achFileName))) {
_fmemset(&ofn, 0, sizeof(OPENFILENAME)) ;
ofn.lStructSize = sizeof(OPENFILENAME) ;
ofn.hwndOwner = hWnd ;
//load filters from resource stringtable
if ( (hFilter = FindResource(ghInstApp, MAKEINTRESOURCE(ID_FILTER_AVI), RT_RCDATA))
&& (hFilter = LoadResource(ghInstApp, hFilter)) )
{
ofn.lpstrFilter = LockResource(hFilter);
}
else
{
ofn.lpstrFilter = NULL;
}
ofn.nFilterIndex = 0 ;
ofn.lpstrFile = achFileName ;
ofn.nMaxFile = sizeof(achFileName) ;
ofn.lpstrFileTitle = NULL ;
ofn.lpstrTitle = tmpString(IDS_TITLE_SAVEAS);
ofn.nMaxFileTitle = 0 ;
ofn.lpstrInitialDir = NULL ;
ofn.Flags =
#ifdef BIDI
OFN_BIDIDIALOG |
#endif
OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST ;
// set help context
oldhelpid = SetCurrentHelpContext(IDA_SAVECAPFILE);
if (GetSaveFileName(&ofn)) {
// If the user has hit OK then set save file name
capFileSaveAs(ghWndCap, achFileName) ;
}
SetCurrentHelpContext(oldhelpid);
if (hFilter) {
UnlockResource(hFilter);
}
}
return(0);
}
/*
* Put up a dialog to allow the user to select a palette file and then
* load that palette
*/
LONG FAR PASCAL
cmdLoadPalette(HWND hWnd)
{
OPENFILENAME ofn ;
TCHAR achFileName[_MAX_PATH];
HANDLE hFilter;
int oldhelpid;
achFileName[0] = 0;
_fmemset(&ofn, 0, sizeof(OPENFILENAME));
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hWnd;
//load filters from resource stringtable
if ( (hFilter = FindResource(ghInstApp, MAKEINTRESOURCE(ID_FILTER_PALETTE), RT_RCDATA))
&& (hFilter = LoadResource(ghInstApp, hFilter)) )
{
ofn.lpstrFilter = LockResource(hFilter);
}
else
{
ofn.lpstrFilter = NULL;
}
ofn.nFilterIndex = 1;
ofn.lpstrFile = achFileName;
ofn.nMaxFile = sizeof(achFileName);
ofn.lpstrFileTitle = NULL;
ofn.lpstrTitle = tmpString(IDS_TITLE_LOADPALETTE);
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags =
#ifdef BIDI
OFN_BIDIDIALOG |
#endif
OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
// set help context id
oldhelpid = SetCurrentHelpContext(IDA_LOADPAL);
if (GetOpenFileName(&ofn)) {
// If the user has hit OK then load palette
capPaletteOpen(ghWndCap, achFileName);
}
SetCurrentHelpContext(oldhelpid);
if (hFilter) {
UnlockResource(hFilter);
}
return(0);
}
/*
* query the user for a filename, and then save the current palette
* to that file
*/
LONG FAR PASCAL
cmdSavePalette(HWND hWnd)
{
OPENFILENAME ofn ;
TCHAR achFileName[_MAX_PATH];
HANDLE hFilter;
int oldhelpid;
achFileName[0] = 0;
_fmemset(&ofn, 0, sizeof(OPENFILENAME)) ;
ofn.lStructSize = sizeof(OPENFILENAME) ;
ofn.hwndOwner = hWnd ;
//load filters from resource stringtable
if ( (hFilter = FindResource(ghInstApp, MAKEINTRESOURCE(ID_FILTER_PALETTE), RT_RCDATA))
&& (hFilter = LoadResource(ghInstApp, hFilter)) )
{
ofn.lpstrFilter = LockResource(hFilter);
}
else
{
ofn.lpstrFilter = NULL;
}
ofn.nFilterIndex = 1;
ofn.lpstrFile = achFileName;
ofn.nMaxFile = sizeof(achFileName);
ofn.lpstrFileTitle = NULL;
ofn.lpstrTitle = tmpString(IDS_TITLE_SAVEPALETTE);
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags =
#ifdef BIDI
OFN_BIDIDIALOG |
#endif
OFN_PATHMUSTEXIST | OFN_OVERWRITEPROMPT;
// set help context for F1 key
oldhelpid = SetCurrentHelpContext(IDA_SAVEPAL);
if (GetSaveFileName(&ofn)) {
// If the user has hit OK then set save file name
capPaletteSave(ghWndCap, achFileName);
}
SetCurrentHelpContext(oldhelpid);
if (hFilter) {
UnlockResource(hFilter);
}
return(0);
}
/*
* query the user for a filename, and then save the current frame
* to that file
*/
LONG FAR PASCAL
cmdSaveDIB(HWND hWnd)
{
OPENFILENAME ofn ;
TCHAR achFileName[_MAX_PATH];
HANDLE hFilter;
int oldhelpid;
achFileName[0] = 0;
_fmemset(&ofn, 0, sizeof(OPENFILENAME)) ;
ofn.lStructSize = sizeof(OPENFILENAME) ;
ofn.hwndOwner = hWnd ;
//load filters from resource stringtable
if ( (hFilter = FindResource(ghInstApp, MAKEINTRESOURCE(ID_FILTER_DIB), RT_RCDATA) )
&& (hFilter = LoadResource(ghInstApp, hFilter) ) )
{
ofn.lpstrFilter = LockResource(hFilter);
}
else
{
ofn.lpstrFilter = NULL;
}
ofn.nFilterIndex = 1;
ofn.lpstrFile = achFileName;
ofn.nMaxFile = sizeof(achFileName);
ofn.lpstrFileTitle = NULL;
ofn.lpstrTitle = tmpString(IDS_TITLE_SAVEDIB);
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags =
#ifdef BIDI
OFN_BIDIDIALOG |
#endif
OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY;
// set help context for F1 handling
oldhelpid = SetCurrentHelpContext(IDA_SAVEDIB);
if (GetSaveFileName(&ofn)) {
// If the user has hit OK then set save file name
capFileSaveDIB(ghWndCap, achFileName);
}
SetCurrentHelpContext(oldhelpid);
if (hFilter) {
UnlockResource(hFilter);
}
return(0);
}
//
// MenuProc: Processes All Menu-based Operations
//
LRESULT FAR PASCAL MenuProc(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
////////////////////////////////////////////////////////////////////////
// hWnd: Application main window handle
// hMenu: Application menu handle
// wParam: Menu option
// lParam: Additional info for any menu option
////////////////////////////////////////////////////////////////////////
BOOL fResult ;
DWORD dwSize = 0;
int oldhelpid;
HMENU hMenu = GetMenu(hWnd) ;
switch (GET_WM_COMMAND_ID(wParam, lParam)) {
case IDC_TOOLBAR:
return toolbarCommand(hWnd, GET_WM_COMMAND_CMD(wParam, lParam), ghWndToolBar);
/* --- file --- */
case IDM_F_SETCAPTUREFILE:
return cmdSetCaptureFile(hWnd);
case IDM_F_SAVEVIDEOAS:
return cmdSaveVideoAs(hWnd);
break;
case IDM_F_ALLOCATESPACE:
if (DoDialog(hWnd, IDD_AllocCapFileSpace, AllocCapFileProc, 0)) {
// ensure repaint after dismissing dialog before
// possibly lengthy operation
UpdateWindow(ghWndMain);
// If user has hit OK then alloc requested capture file space
if (! capFileAlloc(ghWndCap, (long) gwCapFileSize * ONEMEG)) {
MessageBoxID(IDS_ERR_CANT_PREALLOC,
#ifdef BIDI
MB_RTL_READING |
#endif
MB_OK | MB_ICONEXCLAMATION) ;
}
}
break ;
case IDM_F_EXIT:
DestroyWindow(hWnd) ;
break;
case IDM_F_LOADPALETTE:
return cmdLoadPalette(hWnd);
case IDM_F_SAVEPALETTE:
return cmdSavePalette(hWnd);
case IDM_F_SAVEFRAME:
return cmdSaveDIB(hWnd);
case IDM_F_EDITVIDEO:
{
HINSTANCE u;
BOOL f = TRUE; /* assume the best */
HCURSOR hOldCursor;
/* build up the command line "AviEdit -n filename" */
if (lstrlen(gachCaptureFile) > 0) {
hOldCursor = SetCursor(LoadCursor(NULL, IDC_WAIT));
u = ShellExecute (hWnd, TEXT("open"), gachCaptureFile, NULL, NULL, SW_SHOWNORMAL);
if ((UINT_PTR) u < 32){
/* report error on forking VidEdit */
MessageBoxID(IDS_ERR_VIDEDIT, MB_OK|MB_ICONEXCLAMATION);
f = FALSE;
}
SetCursor(hOldCursor);
}
return f;
}
/* --- edit --- */
case IDM_E_COPY:
capEditCopy(ghWndCap) ;
break;
case IDM_E_PASTEPALETTE:
capPalettePaste(ghWndCap) ;
break;
case IDM_E_PREFS:
{
if (DoDialog(hWnd, IDD_Prefs, PrefsDlgProc, 0)) {
// write prefs to profile
// force new brush
vidframeSetBrush(ghWndFrame, gBackColour);
// re-do layout
vidcapLayout(hWnd);
}
}
break;
/* --- options --- */
case IDM_O_PREVIEW:
// Toggle Preview
capGetStatus(ghWndCap, &gCapStatus, sizeof(CAPSTATUS)) ;
vidcapSetLive(!gCapStatus.fLiveWindow) ;
break;
case IDM_O_OVERLAY:
// Toggle Overlay
capGetStatus(ghWndCap, &gCapStatus, sizeof(CAPSTATUS)) ;
vidcapSetOverlay(!gCapStatus.fOverlayWindow);
break ;
case IDM_O_AUDIOFORMAT:
#ifdef USE_ACM
{
ACMFORMATCHOOSE cfmt;
static BOOL fDialogUp = FALSE;
if (fDialogUp)
return FALSE;
fDialogUp = TRUE;
// Ask the ACM what the largest wave format is.....
acmMetrics(NULL,
ACM_METRIC_MAX_SIZE_FORMAT,
&dwSize);
// Get the current audio format
dwSize = max (dwSize, capGetAudioFormatSize (ghWndCap));
if (glpwfex = (LPWAVEFORMATEX) GlobalAllocPtr(GHND, dwSize)) {
capGetAudioFormat(ghWndCap, glpwfex, (WORD)dwSize) ;
_fmemset (&cfmt, 0, sizeof (ACMFORMATCHOOSE));
cfmt.cbStruct = sizeof (ACMFORMATCHOOSE);
cfmt.fdwStyle = ACMFORMATCHOOSE_STYLEF_INITTOWFXSTRUCT;
cfmt.fdwEnum = ACM_FORMATENUMF_HARDWARE |
ACM_FORMATENUMF_INPUT;
cfmt.hwndOwner = hWnd;
cfmt.pwfx = glpwfex;
cfmt.cbwfx = dwSize;
//oldhelpid = SetCurrentHelpContext(IDA_AUDIOSETUP);
if (!acmFormatChoose(&cfmt)) {
capSetAudioFormat(ghWndCap, glpwfex, (WORD)glpwfex->cbSize +
sizeof (WAVEFORMATEX)) ;
mmWriteProfileBinary(gachAppTitle, "WaveFormatBinary",
(LPVOID) glpwfex, glpwfex->cbSize +
sizeof (WAVEFORMATEX));
}
//SetCurrentHelpContext(oldhelpid);
GlobalFreePtr(glpwfex) ;
}
fDialogUp = FALSE;
}
#else
{
// Get current audio format and then find required format
dwSize = capGetAudioFormatSize (ghWndCap);
glpwfex = (LPWAVEFORMATEX) GlobalAllocPtr(GHND, dwSize) ;
capGetAudioFormat(ghWndCap, glpwfex, (WORD)dwSize) ;
if (DoDialog(hWnd, IDD_AudioFormat, AudioFormatProc, 0)) {
// If the user has hit OK, set the new audio format
capSetAudioFormat(ghWndCap, glpwfex, (WORD)dwSize) ;
mmWriteProfileBinary(gachAppTitle, "WaveFormatBinary",
(LPVOID) glpwfex, dwSize);
}
GlobalFreePtr(glpwfex) ;
}
#endif
break ;
case IDM_O_VIDEOFORMAT:
if (gCapDriverCaps.fHasDlgVideoFormat) {
// Only if the driver has a "Video Format" dialog box
oldhelpid = SetCurrentHelpContext(IDA_VIDFORMAT);
if (capDlgVideoFormat(ghWndCap)) { // If successful,
// Get the new image dimension and center capture window
capGetStatus(ghWndCap, &gCapStatus, sizeof(CAPSTATUS)) ;
vidcapLayout(hWnd);
}
SetCurrentHelpContext(oldhelpid);
}
break;
case IDM_O_VIDEOSOURCE:
if (gCapDriverCaps.fHasDlgVideoSource) {
// Only if the driver has a "Video Source" dialog box
oldhelpid = SetCurrentHelpContext(IDA_VIDSOURCE);
capDlgVideoSource(ghWndCap) ;
capGetStatus(ghWndCap, &gCapStatus, sizeof(CAPSTATUS)) ;
vidcapLayout(hWnd);
SetCurrentHelpContext(oldhelpid);
}
break ;
case IDM_O_VIDEODISPLAY:
if (gCapDriverCaps.fHasDlgVideoDisplay) {
// Only if the driver has a "Video Display" dialog box
oldhelpid = SetCurrentHelpContext(IDA_VIDDISPLAY);
capDlgVideoDisplay(ghWndCap) ;
capGetStatus(ghWndCap, &gCapStatus, sizeof(CAPSTATUS)) ;
SetCurrentHelpContext(oldhelpid);
}
break ;
case IDM_O_CHOOSECOMPRESSOR:
oldhelpid = SetCurrentHelpContext(IDA_COMPRESSION);
capDlgVideoCompression(ghWndCap);
SetCurrentHelpContext(oldhelpid);
break;
// Select a driver to activate
case IDM_O_DRIVER0:
case IDM_O_DRIVER1:
case IDM_O_DRIVER2:
case IDM_O_DRIVER3:
case IDM_O_DRIVER4:
case IDM_O_DRIVER5:
case IDM_O_DRIVER6:
case IDM_O_DRIVER7:
case IDM_O_DRIVER8:
case IDM_O_DRIVER9:
vidcapInitHardware(ghWndMain, ghWndCap, (UINT) (wParam - IDM_O_DRIVER0));
break;
/* --- capture --- */
case IDM_C_PALETTE:
if (DoDialog(hWnd, IDD_MakePalette, MakePaletteProc, 0)) {
// Palette is created within the dialog
bDefaultPalette = FALSE;
}
break;
case IDM_C_CAPTUREVIDEO:
// warn user if he is still using the default palette
if (bDefaultPalette) {
LPBITMAPINFOHEADER lpbi;
int sz;
// fUsingDefaultPalette will be TRUE even if the
// current capture format is non-palettised. This is a
// bizarre decision of Jay's.
sz = (int)capGetVideoFormatSize(ghWndCap);
lpbi = (LPBITMAPINFOHEADER)LocalAlloc(LPTR, sz);
if (lpbi) { // We can warn s/he
if (capGetVideoFormat(ghWndCap, lpbi, sz) &&
(lpbi->biCompression == BI_RGB) &&
(lpbi->biBitCount <= 8)) {
CAPSTATUS cs;
// if we've warned him once, we can forget it
bDefaultPalette = FALSE;
capGetStatus(ghWndCap, &cs, sizeof(cs));
if (cs.fUsingDefaultPalette) {
if (MessageBoxID(IDS_WARN_DEFAULT_PALETTE,
MB_OKCANCEL| MB_ICONEXCLAMATION)== IDCANCEL) {
break;
}
}
}
LocalFree(lpbi);
}
}
// Invoke a Dlg box to setup all the params
if (DoDialog(hWnd, IDD_CapSetUp, CapSetUpProc, 0)) {
// set the defaults we won't bother the user with
gCapParms.fMakeUserHitOKToCapture = !gCapParms.fMCIControl;
gCapParms.wPercentDropForError = 10;
// fUsingDOSMemory is obsolete, but we use it here as
// a flag which is TRUE if "CapturingToDisk"
// The number of video buffers should be enough to get through
// disk seeks and thermal recalibrations if "CapturingToDisk"
// If "CapturingToMemory", get as many buffers as we can.
gCapParms.wNumVideoRequested =
gCapParms.fUsingDOSMemory ? 32 : 1000;
// Don't abort on the left mouse anymore!
gCapParms.fAbortLeftMouse = FALSE;
gCapParms.fAbortRightMouse = TRUE;
// If the Driver is Scrncap.drv, the following values are special
// If wChunkGranularity is zero, the granularity will be set to the
// disk sector size.
gCapParms.wChunkGranularity = (gbIsScrncap ? 32 : 0);
// Scrncap requires a callback for the message pump
capSetCallbackOnYield(ghWndCap,
(gbIsScrncap ? fpYieldCallback : NULL));
// If the user has hit OK, set the new setup info
capCaptureSetSetup(ghWndCap, &gCapParms, sizeof(CAPTUREPARMS)) ;
} else {
break;
}
// if no capture file, get that
if (lstrlen(gachCaptureFile) <= 0) {
cmdSetCaptureFile(hWnd);
if (lstrlen(gachCaptureFile) <= 0) {
break;
}
}
// Capture video sequence
fResult = capCaptureSequence(ghWndCap) ;
break;
case IDM_C_CAPTUREFRAME:
// Turn off overlay / preview (gets turned off by frame capture)
vidcapSetLive(FALSE);
vidcapSetOverlay(FALSE);
// Grab a frame
fResult = capGrabFrameNoStop(ghWndCap) ;
break;
case IDM_C_CAPSEL:
{
FARPROC fproc;
// if no capture file, get that
if (lstrlen(gachCaptureFile) <= 0) {
cmdSetCaptureFile(hWnd);
if (lstrlen(gachCaptureFile) <= 0) {
break;
}
}
fproc = MakeProcInstance(CapFramesProc, ghInstApp);
DialogBox(ghInstApp, MAKEINTRESOURCE(IDD_CAPFRAMES), hWnd, (DLGPROC) fproc);
FreeProcInstance(fproc);
}
break;
#ifdef DEBUG
case IDM_C_TEST:
nTestCount = 0;
// Intentional fall through
case IDM_C_TESTAGAIN:
// set the defaults we won't bother the user with
gCapParms.fMakeUserHitOKToCapture = FALSE;
gCapParms.wPercentDropForError = 100;
gCapParms.wNumVideoRequested =
gCapParms.fUsingDOSMemory ? 32 : 1000;
// Don't abort on the left mouse anymore!
gCapParms.fAbortLeftMouse = FALSE;
gCapParms.fAbortRightMouse = TRUE;
// If wChunkGranularity is zero, the granularity will be set to the
// disk sector size.
gCapParms.wChunkGranularity = (gbIsScrncap ? 32 : 0);
// If the user has hit OK, set the new setup info
capCaptureSetSetup(ghWndCap, &gCapParms, sizeof(CAPTUREPARMS)) ;
// if no capture file, get that
if (lstrlen(gachCaptureFile) <= 0) {
cmdSetCaptureFile(hWnd);
if (lstrlen(gachCaptureFile) <= 0) {
break;
}
}
{
TCHAR buf[80];
gCapParms.wNumVideoRequested = 10;
gCapParms.wNumAudioRequested = 5;
gCapParms.fLimitEnabled = TRUE;
if (gCapParms.wTimeLimit == 0)
gCapParms.wTimeLimit = 5;
capCaptureSetSetup(ghWndCap, &gCapParms, sizeof(CAPTUREPARMS)) ;
// Capture video sequence
fResult = capCaptureSequence(ghWndCap) ;
wsprintf (buf, "TestCount = %d", nTestCount++);
statusUpdateStatus(ghWndStatus, buf);
// Hold down the right mouse button to abort
if (!GetAsyncKeyState(VK_RBUTTON) & 0x0001)
PostMessage (hWnd, WM_COMMAND, IDM_C_TESTAGAIN, 0L);
}
break;
#endif
/* --- help --- */
case IDM_H_CONTENTS:
HelpContents();
break;
case IDM_H_ABOUT:
ShellAbout(
hWnd,
"VidCap",
"Video Capture Tool",
LoadIcon(ghInstApp, gachIconName)
);
//DoDialog(hWnd, IDD_HelpAboutBox, AboutProc, 0);
break ;
}
return 0L ;
}
/* --- menu help and enable/disable handling ------------------------ */
// write or clear status line help text when the user brings up or cancels a
// menu. This depends on there being strings in the string table with
// the same ID as the corresponding menu item.
// Help text for the items along the menu bar (File, Edit etc) depends
// on IDM_FILE, IDM_EDIT being defined with values 100 apart in the same
// order as their index in the menu
void
MenuSelect(HWND hwnd, UINT cmd, UINT flags, HMENU hmenu)
{
if ((LOWORD(flags) == 0xffff) && (hmenu == NULL)) {
//menu closing - remove message
statusUpdateStatus(ghWndStatus, NULL);
} else if ( (flags & (MF_SYSMENU|MF_POPUP)) == (MF_SYSMENU|MF_POPUP)) {
// the system menu itself
statusUpdateStatus(ghWndStatus, MAKEINTRESOURCE(IDM_SYSMENU));
} else if ((flags & MF_POPUP) == 0) {
// a menu command item
statusUpdateStatus(ghWndStatus, MAKEINTRESOURCE(cmd));
} else {
//a popup menu - we need to search to find which one.
// note that the cmd item in Win16 will now have a
// menu handle, whereas in Win32 it has an index.
// NOTE: this code assumes that the menu items
// are #defined 100 apart in the same order, starting
// with IDM_FILE
#ifdef _WIN32
statusUpdateStatus(ghWndStatus, MAKEINTRESOURCE(IDM_FILE + (cmd * 100)));
#else
int i,c;
HMENU hmenuMain;
hmenuMain = GetMenu(hWnd);
c = GetMenuItemCount(hmenuMain);
for(i = 0; i < c; i++) {
if (hmenu == GetSubMenu(hmenuMain, i)) {
statusUpdateStatus(MAKEINTRESOURCE(IDM_FILE + (cmd*100)));
return(0);
}
}
statusUpdateStatus(NULL);
#endif
}
}
// a popup menu is being selected - enable or disable menu items
int
InitMenuPopup(
HWND hwnd,
HMENU hmenu,
int index
)
{
int i = MF_ENABLED;
CAPSTATUS cs;
BOOL bUsesPalettes;
capGetStatus(ghWndCap, &cs, sizeof(cs));
// try to see if the driver uses palettes
if ((cs.hPalCurrent != NULL) || (cs.fUsingDefaultPalette)) {
bUsesPalettes = TRUE;
} else {
bUsesPalettes = FALSE;
}
switch(index) {
case 0: // IDM_FILE
if (lstrlen(gachCaptureFile) <= 0) {
i = MF_GRAYED;
}
// save as enabled only if we have a capture file
EnableMenuItem(hmenu, IDM_F_SAVEVIDEOAS, i);
// edit video possible only if we have a capture file AND we've
// captured something
EnableMenuItem(hmenu, IDM_F_EDITVIDEO,
(cs.dwCurrentVideoFrame > 0) ? i : MF_GRAYED);
// allow save palette if there is one
EnableMenuItem(hmenu, IDM_F_SAVEPALETTE,
(cs.hPalCurrent != NULL) ? MF_ENABLED:MF_GRAYED);
// allow load palette if the driver uses palettes
EnableMenuItem(hmenu, IDM_F_LOADPALETTE,
bUsesPalettes ? MF_ENABLED : MF_GRAYED);
break;
case 1: // IDM_EDIT
// paste palettes if driver uses them and there is one pastable
EnableMenuItem(hmenu, IDM_E_PASTEPALETTE,
(bUsesPalettes && IsClipboardFormatAvailable(CF_PALETTE)) ? MF_ENABLED:MF_GRAYED);
break;
case 2: // IDM_OPTIONS
EnableMenuItem(hmenu, IDM_O_AUDIOFORMAT,
cs.fAudioHardware ? MF_ENABLED : MF_GRAYED);
EnableMenuItem(hmenu, IDM_O_OVERLAY,
gCapDriverCaps.fHasOverlay ? MF_ENABLED:MF_GRAYED);
EnableMenuItem(hmenu, IDM_O_VIDEOFORMAT,
gCapDriverCaps.fHasDlgVideoFormat ? MF_ENABLED:MF_GRAYED);
EnableMenuItem(hmenu, IDM_O_VIDEODISPLAY,
gCapDriverCaps.fHasDlgVideoDisplay ? MF_ENABLED:MF_GRAYED);
EnableMenuItem(hmenu, IDM_O_VIDEOSOURCE,
gCapDriverCaps.fHasDlgVideoSource ? MF_ENABLED:MF_GRAYED);
EnableMenuItem(hmenu, IDM_O_PREVIEW,
gbHaveHardware ? MF_ENABLED:MF_GRAYED);
case 3: // IDM_CAPTURE
if (!gbHaveHardware) {
i = MF_GRAYED;
}
EnableMenuItem(hmenu, IDM_C_CAPSEL, i);
EnableMenuItem(hmenu, IDM_C_CAPTUREFRAME, i);
EnableMenuItem(hmenu, IDM_C_CAPTUREVIDEO, i);
EnableMenuItem(hmenu, IDM_C_PALETTE, (gbHaveHardware &&
gCapDriverCaps.fDriverSuppliesPalettes) ? MF_ENABLED : MF_GRAYED);
break;
}
return(0);
}
//
// MainWndProc: Application Main Window Procedure
//
LRESULT FAR PASCAL MainWndProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
////////////////////////////////////////////////////////////////////////
// hWnd: Application main window handle
// Message: Next message to be processed
// wParam: WORD param for the message
// lParam: LONG param for the message
////////////////////////////////////////////////////////////////////////
switch (Message) {
static BOOL fMinimized;
case WM_SYSCOMMAND:
if ((wParam & 0xfff0) == SC_MAXIMIZE)
fMinimized = FALSE;
else if ((wParam & 0xfff0) == SC_RESTORE)
fMinimized = FALSE;
else if ((wParam & 0xfff0) == SC_MINIMIZE)
fMinimized = TRUE;
return DefWindowProc(hWnd, Message, wParam, lParam);
break;
case WM_COMMAND:
MenuProc(hWnd, wParam, lParam) ;
break ;
case WM_CREATE:
HelpInit(ghInstApp, "vidcap.hlp", hWnd);
break;
case WM_NCHITTEST:
{
LRESULT dw;
dw = DefWindowProc(hWnd, Message, wParam, lParam);
// Don't allow border resize if autosizing
if (gbAutoSizeFrame) {
if (dw >= HTSIZEFIRST && dw <= HTSIZELAST)
dw = HTCAPTION;
}
return dw;
}
break;
case WM_GETMINMAXINFO:
// Don't allow manual sizing if window locked to the capture size
if (gbHaveHardware && gbAutoSizeFrame && !gbInLayout) {
RECT rW;
LPMINMAXINFO lpMMI = (LPMINMAXINFO) lParam;
GetWindowRect (hWnd, &rW);
lpMMI->ptMinTrackSize.x = rW.right - rW.left;
lpMMI->ptMinTrackSize.y = rW.bottom - rW.top;
lpMMI->ptMaxTrackSize = lpMMI->ptMinTrackSize;
}
break;
case WM_MOVE:
if (!fMinimized) {
vidcapLayout (hWnd);
}
break;
case WM_SIZE:
if (!fMinimized) {
vidcapLayout (hWnd);
}
break;
case WM_MENUSELECT:
{
UINT cmd = GET_WM_MENUSELECT_CMD(wParam, lParam);
UINT flags = GET_WM_MENUSELECT_FLAGS(wParam, lParam);
HMENU hmenu = GET_WM_MENUSELECT_HMENU(wParam, lParam);
MenuSelect(hWnd, cmd, flags, hmenu);
}
break;
case WM_INITMENUPOPUP:
{
BOOL bSystem = (BOOL) HIWORD(lParam);
if (!bSystem) {
return InitMenuPopup(hWnd,
(HMENU) wParam, (int) LOWORD(lParam));
} else {
return(DefWindowProc(hWnd, Message, wParam, lParam));
}
}
case WM_SYSCOLORCHANGE:
// we don't use this ourselves, but we should pass
// it on to all three children
SendMessage(ghWndFrame, Message, wParam, lParam);
SendMessage(ghWndToolBar, Message, wParam, lParam);
SendMessage(ghWndStatus, Message, wParam, lParam);
return (TRUE);
case WM_PALETTECHANGED:
case WM_QUERYNEWPALETTE:
// Pass the buck to Capture window proc
return SendMessage(ghWndCap, Message, wParam, lParam) ;
break ;
case WM_SETFOCUS:
// the toolbar is the only part that needs the focus
SetFocus(ghWndToolBar);
break;
case WM_ACTIVATEAPP:
if (wParam && ghWndCap)
capPreviewRate(ghWndCap, 15); // Fast preview when active
else
capPreviewRate(ghWndCap, 1000); // Slow preview when inactive
break;
case WM_NEXTDLGCTL:
// if anyone is tabbing about, move the focus to the
// toolbar
SetFocus(ghWndToolBar);
// select the correct button to handle moving off one
// end and back on the other end
if (lParam == FALSE) {
// are we moving forwards or backwards ?
if (wParam == 0) {
// move to next - so select first button
toolbarSetFocus(ghWndToolBar, TB_FIRST);
} else {
// move to previous - so select last
toolbarSetFocus(ghWndToolBar, TB_LAST);
}
}
break;
case WM_PAINT:
{
HDC hDC ;
PAINTSTRUCT ps ;
hDC = BeginPaint(hWnd, &ps) ;
// Included in case the background is not a pure color
SetBkMode(hDC, TRANSPARENT) ;
EndPaint(hWnd, &ps) ;
break ;
}
case WM_CLOSE:
// Disable and free all the callbacks
capSetCallbackOnError(ghWndCap, NULL) ;
if (fpErrorCallback) {
FreeProcInstance(fpErrorCallback) ;
fpErrorCallback = NULL;
}
capSetCallbackOnStatus(ghWndCap, NULL) ;
if (fpStatusCallback) {
FreeProcInstance(fpStatusCallback) ;
fpStatusCallback = NULL;
}
capSetCallbackOnYield(ghWndCap, NULL) ;
if (fpYieldCallback) {
FreeProcInstance(fpYieldCallback) ;
fpYieldCallback = NULL;
}
// Disconnect the current capture driver
capDriverDisconnect (ghWndCap);
// Destroy child windows, modeless dialogs, then this window...
// DestroyWindow(ghWndCap) ;
DestroyWindow(hWnd) ;
break ;
case WM_DESTROY:
{
// remember window size and position
// - this will be written to the profile
WINDOWPLACEMENT wp;
wp.length = sizeof (WINDOWPLACEMENT);
GetWindowPlacement(hWnd, &wp);
gWinShow = wp.showCmd;
gWinX = wp.rcNormalPosition.left;
gWinY = wp.rcNormalPosition.top;
gWinCX = RECTWIDTH(wp.rcNormalPosition);
gWinCY = RECTHEIGHT(wp.rcNormalPosition);
// write defaults out to the registry
vidcapWriteProfile();
vidcapWriteSettingsProfile();
HelpShutdown();
}
PostQuitMessage(0) ;
break ;
default:
return DefWindowProc(hWnd, Message, wParam, lParam) ;
}
return 0L;
} // End of MainWndProc
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