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#include "config.h"
#include <stdio.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#else
#include <stdlib.h>
#endif
#include "driver.h"
#include "pe_image.h"
#include "winreg.h"
#include "vfw.h"
#include "win32.h"
#include "registry.h"
#ifdef __FreeBSD__
#include <sys/time.h>
#endif
#if 1
#define STORE_ALL /**/
#define REST_ALL /**/
#else
#define STORE_ALL \
__asm__ ( \
"push %%ebx\n\t" \
"push %%ecx\n\t" \
"push %%edx\n\t" \
"push %%esi\n\t" \
"push %%edi\n\t"::)
#define REST_ALL \
__asm__ ( \
"pop %%edi\n\t" \
"pop %%esi\n\t" \
"pop %%edx\n\t" \
"pop %%ecx\n\t" \
"pop %%ebx\n\t"::)
#endif
static DWORD dwDrvID = 0;
LRESULT WINAPI SendDriverMessage( HDRVR hDriver, UINT message,
LPARAM lParam1, LPARAM lParam2 )
{
DRVR* module=(DRVR*)hDriver;
int result;
#ifdef DETAILED_OUT
printf("SendDriverMessage: driver %X, message %X, arg1 %X, arg2 %X\n", hDriver, message, lParam1, lParam2);
#endif
if(module==0)return -1;
if(module->hDriverModule==0)return -1;
if(module->DriverProc==0)return -1;
STORE_ALL;
result=module->DriverProc(module->dwDriverID,1,message,lParam1,lParam2);
REST_ALL;
#ifdef DETAILED_OUT
printf("\t\tResult: %X\n", result);
#endif
return result;
}
static NPDRVR DrvAlloc(HDRVR*lpDriver, LPUINT lpDrvResult)
{
NPDRVR npDriver;
/* allocate and lock handle */
if (lpDriver)
{
if ( (*lpDriver = (HDRVR) malloc(sizeof(DRVR))) )
{
if ((npDriver = (NPDRVR) *lpDriver))
{
*lpDrvResult = MMSYSERR_NOERROR;
return (npDriver);
}
free((NPDRVR)*lpDriver);
}
return (*lpDrvResult = MMSYSERR_NOMEM, (NPDRVR) 0);
}
return (*lpDrvResult = MMSYSERR_INVALPARAM, (NPDRVR) 0);
}
static void DrvFree(HDRVR hDriver)
{
int i;
if(hDriver)
if(((DRVR*)hDriver)->hDriverModule)
if(((DRVR*)hDriver)->DriverProc)
(((DRVR*)hDriver)->DriverProc)(((DRVR*)hDriver)->dwDriverID, hDriver, DRV_CLOSE, 0, 0);
if(hDriver) {
if(((DRVR*)hDriver)->hDriverModule)
if(((DRVR*)hDriver)->DriverProc)
(((DRVR*)hDriver)->DriverProc)(0, hDriver, DRV_FREE, 0, 0);
FreeLibrary(((DRVR*)hDriver)->hDriverModule);
free((NPDRVR)hDriver);
return;
}
}
void DrvClose(HDRVR hdrvr)
{
DrvFree(hdrvr);
}
char* win32_codec_name=NULL; // must be set before calling DrvOpen() !!!
char* win32_def_path =NULL; // must be set before calling DrvOpen() !!!
HDRVR
DrvOpen(LPARAM lParam2)
{
ICOPEN *icopen=(ICOPEN*)lParam2;
UINT uDrvResult;
HDRVR hDriver;
NPDRVR npDriver;
char unknown[0x24];
// char* codec_name=icopen->fccHandler;
if (!(npDriver = DrvAlloc(&hDriver, &uDrvResult)))
return ((HDRVR) 0);
if (!(npDriver->hDriverModule = expLoadLibraryA(win32_codec_name))) {
printf("Can't open library %s\n", win32_codec_name);
DrvFree(hDriver);
return ((HDRVR) 0);
}
if (!(npDriver->DriverProc = (DRIVERPROC)
GetProcAddress(npDriver->hDriverModule, "DriverProc"))) {
printf("Library %s is not a valid codec\n", win32_codec_name);
FreeLibrary(npDriver->hDriverModule);
DrvFree(hDriver);
return ((HDRVR) 0);
}
//TRACE("DriverProc == %X\n", npDriver->DriverProc);
npDriver->dwDriverID = ++dwDrvID;
STORE_ALL;
(npDriver->DriverProc)(0, hDriver, DRV_LOAD, 0, 0);
REST_ALL;
//TRACE("DRV_LOAD Ok!\n");
STORE_ALL;
(npDriver->DriverProc)(0, hDriver, DRV_ENABLE, 0, 0);
REST_ALL;
//TRACE("DRV_ENABLE Ok!\n");
// open driver
STORE_ALL;
npDriver->dwDriverID=(npDriver->DriverProc)(npDriver->dwDriverID, hDriver, DRV_OPEN,
(LPARAM) (LPSTR) unknown, lParam2);
REST_ALL;
//TRACE("DRV_OPEN Ok!(%X)\n", npDriver->dwDriverID);
if (uDrvResult)
{
DrvFree(hDriver);
hDriver = (HDRVR) 0;
}
printf("Successfully loaded codec %s\n",win32_codec_name);
return (hDriver);
}
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