#include <windows.h>
#include "escapi.h"

Include dependency graph for escapi.cpp:

Typedefs
typedef void(*	initCOMProc )()

Functions
int	setupESCAPI ()

Variables
countCaptureDevicesProc	countCaptureDevices

initCaptureProc	initCapture

deinitCaptureProc	deinitCapture

doCaptureProc	doCapture

isCaptureDoneProc	isCaptureDone

getCaptureDeviceNameProc	getCaptureDeviceName

ESCAPIDLLVersionProc	ESCAPIDLLVersion

initCOMProc	initCOM

Typedef Documentation

typedef void(* initCOMProc)()

Function Documentation

int setupESCAPI ( )

References countCaptureDevices, deinitCapture, doCapture, ESCAPIDLLVersion, getCaptureDeviceName, initCapture, initCOM, and isCaptureDone.

Referenced by SimpleDirectShowAcq::Open().

 {
   /* Load DLL dynamically */
   HMODULE capdll = LoadLibrary("escapi.dll");
   if (capdll == NULL)
     return 0;
 
   /* Fetch function entry points */
   countCaptureDevices = (countCaptureDevicesProc)GetProcAddress(capdll, "countCaptureDevices");
   initCapture = (initCaptureProc)GetProcAddress(capdll, "initCapture");
   deinitCapture = (deinitCaptureProc)GetProcAddress(capdll, "deinitCapture");
   doCapture = (doCaptureProc)GetProcAddress(capdll, "doCapture");
   isCaptureDone = (isCaptureDoneProc)GetProcAddress(capdll, "isCaptureDone");
   initCOM = (initCOMProc)GetProcAddress(capdll, "initCOM");
   getCaptureDeviceName = (getCaptureDeviceNameProc)GetProcAddress(capdll, "getCaptureDeviceName");
   ESCAPIDLLVersion = (ESCAPIDLLVersionProc)GetProcAddress(capdll, "ESCAPIDLLVersion");
 
   /* Check that we got all the entry points */
   if (initCOM == NULL ||
       ESCAPIDLLVersion == NULL ||
       getCaptureDeviceName == NULL ||
       countCaptureDevices == NULL ||
       initCapture == NULL ||
       deinitCapture == NULL ||
       doCapture == NULL ||
       isCaptureDone == NULL)
       return 0;
 
   /* Verify DLL version */
   if (ESCAPIDLLVersion() != 0x200)
     return 0;
 
   /* Initialize COM.. */
   initCOM();
 
   /* and return the number of capture devices found. */
   return countCaptureDevices();
 }