You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
286 lines
7.4 KiB
286 lines
7.4 KiB
/****************************************************************************
|
|
*
|
|
* capmisc.c
|
|
*
|
|
* Miscellaneous status and error routines.
|
|
*
|
|
* Microsoft Video for Windows Sample Capture Class
|
|
*
|
|
* Copyright (c) 1992, 1993 Microsoft Corporation. All Rights Reserved.
|
|
*
|
|
* You have a royalty-free right to use, modify, reproduce and
|
|
* distribute the Sample Files (and/or any modified version) in
|
|
* any way you find useful, provided that you agree that
|
|
* Microsoft has no warranty obligations or liability for any
|
|
* Sample Application Files which are modified.
|
|
*
|
|
***************************************************************************/
|
|
|
|
#define INC_OLE2
|
|
#pragma warning(disable:4103)
|
|
#include <windows.h>
|
|
#include <windowsx.h>
|
|
#include <win32.h>
|
|
#include <mmsystem.h>
|
|
#include <vfw.h>
|
|
|
|
#include "ivideo32.h"
|
|
#include "avicapi.h"
|
|
|
|
#include <stdarg.h>
|
|
|
|
// First, override the definition in media\inc\win32.h that causes strsafe to not work on Win64
|
|
#ifndef _X86_
|
|
#undef __inline
|
|
#endif // _X86_
|
|
// Then, include strsafe.h
|
|
#define STRSAFE_NO_DEPRECATE
|
|
#include <strsafe.h>
|
|
|
|
static TCHAR szNull[] = TEXT("");
|
|
|
|
/*
|
|
*
|
|
* GetKey
|
|
* Peek into the message que and get a keystroke
|
|
*
|
|
*/
|
|
UINT GetKey(BOOL fWait)
|
|
{
|
|
MSG msg;
|
|
|
|
msg.wParam = 0;
|
|
|
|
if (fWait)
|
|
GetMessage(&msg, NULL, WM_KEYFIRST, WM_KEYLAST);
|
|
|
|
while(PeekMessage(&msg, NULL, WM_KEYFIRST, WM_KEYLAST, PM_REMOVE|PM_NOYIELD))
|
|
;
|
|
return (UINT) msg.wParam;
|
|
}
|
|
|
|
// wID is the string resource, which can be a format string
|
|
//
|
|
void FAR CDECL statusUpdateStatus (LPCAPSTREAM lpcs, UINT wID, ...)
|
|
{
|
|
TCHAR ach[256];
|
|
TCHAR szFmt[132];
|
|
va_list va;
|
|
|
|
if (!lpcs->CallbackOnStatus)
|
|
return;
|
|
|
|
if (wID == 0) {
|
|
if (lpcs->fLastStatusWasNULL) // No need to send NULL twice in a row
|
|
return;
|
|
lpcs->fLastStatusWasNULL = TRUE;
|
|
ach[0] = 0;
|
|
}
|
|
else {
|
|
lpcs->fLastStatusWasNULL = FALSE;
|
|
if (!LoadString(lpcs->hInst, wID, szFmt, NUMELMS(szFmt))) {
|
|
MessageBeep (0);
|
|
return;
|
|
}
|
|
else {
|
|
va_start(va, wID);
|
|
// Fix: Change from wvsprintf to StringCchVPrintf so we don't overrun ach
|
|
StringCchVPrintf(ach, NUMELMS(ach), szFmt, va);
|
|
va_end(va);
|
|
}
|
|
}
|
|
|
|
#ifdef UNICODE
|
|
//
|
|
// if the status callback function is expecting ansi
|
|
// strings, then convert the UNICODE status string to
|
|
// ansi before calling him
|
|
//
|
|
if (lpcs->fUnicode & VUNICODE_STATUSISANSI) {
|
|
|
|
char achAnsi[256];
|
|
|
|
// convert string to Ansi and callback.
|
|
// that we cast achAnsi to WChar on the call to
|
|
// avoid a bogus warning.
|
|
//
|
|
WideToAnsi(achAnsi, ach, lstrlen(ach)+1);
|
|
lpcs->CallbackOnStatus(lpcs->hwnd, wID, (LPWSTR)achAnsi);
|
|
}
|
|
else
|
|
#endif
|
|
lpcs->CallbackOnStatus(lpcs->hwnd, wID, ach);
|
|
}
|
|
|
|
// wID is the string resource, which can be a format string
|
|
//
|
|
void FAR CDECL errorUpdateError (LPCAPSTREAM lpcs, UINT wID, ...)
|
|
{
|
|
TCHAR ach[256];
|
|
TCHAR szFmt[132];
|
|
va_list va;
|
|
|
|
lpcs->dwReturn = wID;
|
|
|
|
if (!lpcs->CallbackOnError)
|
|
return;
|
|
|
|
if (wID == 0) {
|
|
if (lpcs->fLastErrorWasNULL) // No need to send NULL twice in a row
|
|
return;
|
|
lpcs->fLastErrorWasNULL = TRUE;
|
|
ach[0] = 0;
|
|
}
|
|
else if (!LoadString(lpcs->hInst, wID, szFmt, NUMELMS(szFmt))) {
|
|
MessageBeep (0);
|
|
lpcs->fLastErrorWasNULL = FALSE;
|
|
return;
|
|
}
|
|
else {
|
|
lpcs->fLastErrorWasNULL = FALSE;
|
|
va_start(va, wID);
|
|
// Fix: Change from wvsprintf to StringCchVPrintf so we don't overrun ach
|
|
StringCchVPrintf(ach, NUMELMS(ach), szFmt, va);
|
|
va_end(va);
|
|
}
|
|
|
|
#ifdef UNICODE
|
|
if (lpcs->fUnicode & VUNICODE_ERRORISANSI)
|
|
{
|
|
char achAnsi[256];
|
|
|
|
// convert string to Ansi and callback.
|
|
// that we cast achAnsi to WChar on the call to
|
|
// avoid a bogus warning.
|
|
//
|
|
WideToAnsi(achAnsi, ach, lstrlen(ach)+1);
|
|
lpcs->CallbackOnError(lpcs->hwnd, wID, (LPWSTR)achAnsi);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
lpcs->CallbackOnError(lpcs->hwnd, wID, ach);
|
|
}
|
|
}
|
|
|
|
// Callback client with ID of driver error msg
|
|
void errorDriverID (LPCAPSTREAM lpcs, DWORD dwError)
|
|
{
|
|
// this is the correct code, but NT VfW 1.0 has a bug
|
|
// that videoGetErrorText is ansi. need vfw1.1 to fix this
|
|
|
|
#ifndef UNICODE
|
|
char ach[132];
|
|
#endif
|
|
|
|
lpcs->fLastErrorWasNULL = FALSE;
|
|
lpcs->dwReturn = dwError;
|
|
|
|
if (!lpcs->CallbackOnError)
|
|
return;
|
|
|
|
|
|
#ifdef UNICODE
|
|
if (lpcs->fUnicode & VUNICODE_ERRORISANSI) {
|
|
char achAnsi[256];
|
|
achAnsi[0]=0;
|
|
if (dwError)
|
|
videoGetErrorTextA(lpcs->hVideoIn, dwError, achAnsi, NUMELMS(achAnsi));
|
|
lpcs->CallbackOnError (lpcs->hwnd, IDS_CAP_DRIVER_ERROR, (LPWSTR)achAnsi);
|
|
} else {
|
|
// pass unicode string to error handler
|
|
WCHAR achWide[256];
|
|
achWide[0]=0;
|
|
if (dwError)
|
|
videoGetErrorTextW(lpcs->hVideoIn, dwError, achWide, NUMELMS(achWide));
|
|
lpcs->CallbackOnError (lpcs->hwnd, IDS_CAP_DRIVER_ERROR, (LPWSTR)achWide);
|
|
}
|
|
#else // not unicode
|
|
ach[0] = 0;
|
|
if (dwError)
|
|
videoGetErrorText (lpcs->hVideoIn, dwError, ach, NUMELMS(ach));
|
|
lpcs->CallbackOnError(lpcs->hwnd, IDS_CAP_DRIVER_ERROR, ach);
|
|
#endif
|
|
}
|
|
|
|
#ifdef _DEBUG
|
|
|
|
void FAR cdecl dprintf(LPSTR szFormat, ...)
|
|
{
|
|
UINT n;
|
|
char ach[256];
|
|
va_list va;
|
|
|
|
static BOOL fDebug = -1;
|
|
|
|
if (fDebug == -1)
|
|
fDebug = GetProfileIntA("Debug", "AVICAP32", FALSE);
|
|
|
|
if (!fDebug)
|
|
return;
|
|
|
|
#ifdef _WIN32
|
|
n = wsprintfA(ach, "AVICAP32: (tid %x) ", GetCurrentThreadId());
|
|
#else
|
|
strcpy(ach, "AVICAP32: ");
|
|
n = strlen(ach);
|
|
#endif
|
|
|
|
va_start(va, szFormat);
|
|
wvsprintfA(ach+n, szFormat, va);
|
|
va_end(va);
|
|
|
|
lstrcatA(ach, "\r\n");
|
|
|
|
OutputDebugStringA(ach);
|
|
}
|
|
|
|
/* _Assert(fExpr, szFile, iLine)
|
|
*
|
|
* If <fExpr> is TRUE, then do nothing. If <fExpr> is FALSE, then display
|
|
* an "assertion failed" message box allowing the user to abort the program,
|
|
* enter the debugger (the "Retry" button), or igore the error.
|
|
*
|
|
* <szFile> is the name of the source file; <iLine> is the line number
|
|
* containing the _Assert() call.
|
|
*/
|
|
|
|
BOOL FAR PASCAL
|
|
_Assert(BOOL fExpr, LPSTR szFile, int iLine)
|
|
{
|
|
static char ach[300]; // debug output (avoid stack overflow)
|
|
int id;
|
|
int iExitCode;
|
|
void FAR PASCAL DebugBreak(void);
|
|
|
|
/* check if assertion failed */
|
|
if (fExpr)
|
|
return fExpr;
|
|
|
|
/* display error message */
|
|
wsprintfA(ach, "File %s, line %d", (LPSTR) szFile, iLine);
|
|
MessageBeep(MB_ICONHAND);
|
|
id = MessageBoxA (NULL, ach, "Assertion Failed",
|
|
MB_SYSTEMMODAL | MB_ICONHAND | MB_ABORTRETRYIGNORE);
|
|
|
|
/* abort, debug, or ignore */
|
|
switch (id)
|
|
{
|
|
case IDABORT: /* kill this application */
|
|
iExitCode = 0;
|
|
ExitProcess(0);
|
|
break;
|
|
|
|
case IDRETRY: /* break into the debugger */
|
|
DebugBreak();
|
|
break;
|
|
|
|
case IDIGNORE:
|
|
/* ignore the assertion failure */
|
|
break;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
#endif
|