diff options
Diffstat (limited to 'loader/driver.c')
| -rw-r--r-- | loader/driver.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/loader/driver.c b/loader/driver.c new file mode 100644 index 0000000000..d682bd295c --- /dev/null +++ b/loader/driver.c @@ -0,0 +1,223 @@ +#include <config.h> +#include <stdio.h> + +#ifdef HAVE_MALLOC_H +#include <malloc.h> +#else +#include <stdlib.h> +#endif + +#include <wine/driver.h> +#include <wine/pe_image.h> +#include <wine/winreg.h> +#include <wine/vfw.h> +#include <registry.h> + +//#include "com.h" +//typedef long STDCALL (*GETCLASS) (GUID*, GUID*, void**); + + +#ifdef __FreeBSD__ +#include <sys/time.h> +#endif + + +#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"::) + + + +typedef struct { + UINT uDriverSignature; + HINSTANCE hDriverModule; + DRIVERPROC DriverProc; + DWORD dwDriverID; +} DRVR; + +typedef DRVR *PDRVR; +typedef DRVR *NPDRVR; +typedef DRVR *LPDRVR; + +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* def_path=WIN32_PATH; // path to codecs +char* win32_codec_name=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 0 + { + unsigned char *p=((char*)npDriver->hDriverModule); + double *dp; + int i; + p+=0x14c0; + for(i=0;i<16;i++)printf(" %02X",p[i]); printf("\n"); + dp=(double*)p; + printf("divx bitrate = %f\n",(float)(*dp)); +// *(double*)((char*)npDriver->hDriverModule+0x14c0)=bitrate; + } +#endif + + if (!(npDriver->DriverProc = (DRIVERPROC) + GetProcAddress(npDriver->hDriverModule, "DriverProc"))) { +#if 1 + printf("Library %s is not a VfW/ACM valid codec\n", win32_codec_name); +#else + // Try DirectShow... + GETCLASS func=(GETCLASS)GetProcAddress(npDriver->hDriverModule,"DllGetClassObject"); + if(!func) + printf("Library %s is not a valid VfW/ACM/DShow codec\n", win32_codec_name); + else { + HRESULT result; + struct IClassFactory* factory=0; + struct IUnknown* object=0; + GUID CLSID_Voxware={0x73f7a062, 0x8829, 0x11d1, + {0xb5, 0x50, 0x00, 0x60, 0x97, 0x24, 0x2d, 0x8d}}; + GUID* id=&CLSID_Voxware; + + result=func(id, &IID_IClassFactory, (void**)&factory); + if(result || (!factory)) printf("No such class object\n"); + + printf("Calling factory->vt->CreateInstance()\n"); + printf("addr = %X\n",(unsigned int)factory->vt->CreateInstance); + result=factory->vt->CreateInstance(factory, 0, &IID_IUnknown, (void**)&object); + printf("Calling factory->vt->Release()\n"); + factory->vt->Release((struct IUnknown*)factory); + if(result || (!object)) printf("Class factory failure\n"); + + printf("DirectShow codecs not yet supported...\n"); + } +#endif + + 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); +} + |