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-rw-r--r--loader/driver.c248
1 files changed, 99 insertions, 149 deletions
diff --git a/loader/driver.c b/loader/driver.c
index 09dc49f8dc..b33942a7a8 100644
--- a/loader/driver.c
+++ b/loader/driver.c
@@ -1,4 +1,5 @@
-#include <config.h>
+#include "config.h"
+
#include <stdio.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
@@ -17,22 +18,26 @@
#include "ldt_keeper.h"
#include "driver.h"
+extern char* def_path;
#if 1
+
/*
* STORE_ALL/REST_ALL seems like an attempt to workaround problems due to
* WINAPI/no-WINAPI bustage.
*
- * There should be no need for the STORE_ALL/REST_ALL hack once all
+ * There should be no need for the STORE_ALL/REST_ALL hack once all
* function definitions agree with their prototypes (WINAPI-wise) and
* we make sure, that we do not call these functions without a proper
* prototype in scope.
*/
-#define STORE_ALL /**/
-#define REST_ALL /**/
+
+#define STORE_ALL
+#define REST_ALL
#else
+// this asm code is no longer needed
#define STORE_ALL \
- __asm__( \
+ __asm__ __volatile__ ( \
"push %%ebx\n\t" \
"push %%ecx\n\t" \
"push %%edx\n\t" \
@@ -40,7 +45,7 @@
"push %%edi\n\t"::)
#define REST_ALL \
- __asm__( \
+ __asm__ __volatile__ ( \
"pop %%edi\n\t" \
"pop %%esi\n\t" \
"pop %%edx\n\t" \
@@ -48,180 +53,125 @@
"pop %%ebx\n\t"::)
#endif
+static int needs_free=0;
+void SetCodecPath(const char* path)
+{
+ if(needs_free)free(def_path);
+ if(path==0)
+ {
+ def_path=WIN32_PATH;
+ needs_free=0;
+ return;
+ }
+ def_path = (char*) malloc(strlen(path)+1);
+ strcpy(def_path, path);
+ needs_free=1;
+}
-
-
static DWORD dwDrvID = 0;
-
-LRESULT WINAPI SendDriverMessage( HDRVR hDriver, UINT message,
- LPARAM lParam1, LPARAM lParam2 )
+LRESULT WINAPI SendDriverMessage(HDRVR hDriver, UINT message,
+ LPARAM lParam1, LPARAM lParam2)
{
DRVR* module=(DRVR*)hDriver;
int result;
-#ifdef DETAILED_OUT
+#ifndef __svr4__
+ char qw[300];
+#endif
+#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;
+ if (!module || !module->hDriverModule || !module->DriverProc) return -1;
+#ifndef __svr4__
+ __asm__ __volatile__ ("fsave (%0)\n\t": :"r"(&qw));
+#endif
+
+ Setup_FS_Segment();
+
STORE_ALL;
- result=module->DriverProc(module->dwDriverID,1,message,lParam1,lParam2);
+ result=module->DriverProc(module->dwDriverID, hDriver, message, lParam1, lParam2);
REST_ALL;
-#ifdef DETAILED_OUT
+
+#ifndef __svr4__
+ __asm__ __volatile__ ("frstor (%0)\n\t": :"r"(&qw));
+#endif
+
+#ifdef DETAILED_OUT
printf("\t\tResult: %X\n", result);
-#endif
+#endif
return result;
-}
+}
-static NPDRVR DrvAlloc(HDRVR*lpDriver, LPUINT lpDrvResult)
+void DrvClose(HDRVR hDriver)
{
- NPDRVR npDriver;
- /* allocate and lock handle */
- if (lpDriver)
+ if (hDriver)
{
- if ( (*lpDriver = (HDRVR) malloc(sizeof(DRVR))) )
- {
- if ((npDriver = (NPDRVR) *lpDriver))
- {
- *lpDrvResult = MMSYSERR_NOERROR;
- return (npDriver);
- }
- free((NPDRVR)*lpDriver);
- }
- return (*lpDrvResult = MMSYSERR_NOMEM, (NPDRVR) 0);
+ DRVR* d = (DRVR*)hDriver;
+ if (d->hDriverModule)
+ {
+ Setup_FS_Segment();
+ if (d->DriverProc)
+ {
+ SendDriverMessage(hDriver, DRV_CLOSE, 0, 0);
+ d->dwDriverID = 0;
+ SendDriverMessage(hDriver, DRV_FREE, 0, 0);
+ }
+ FreeLibrary(d->hDriverModule);
+ }
+ free(d);
}
- return (*lpDrvResult = MMSYSERR_INVALPARAM, (NPDRVR) 0);
+ CodecRelease();
}
-
-static void DrvFree(HDRVR hDriver)
+//DrvOpen(LPCSTR lpszDriverName, LPCSTR lpszSectionName, LPARAM lParam2)
+HDRVR DrvOpen(LPARAM lParam2)
{
+ NPDRVR hDriver;
int i;
- Setup_FS_Segment();
- 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() !!!
-
-HDRVR VFWAPI
-DrvOpen(LPARAM lParam2)
-{
- ICOPEN *icopen=(ICOPEN *) lParam2;
- UINT uDrvResult;
- HDRVR hDriver;
- NPDRVR npDriver;
- char unknown[0x24];
-// char* codec_name=icopen->fccHandler;
+ char unknown[0x124];
+ const char* filename = (const char*) ((ICOPEN*) lParam2)->pV1Reserved;
+#ifdef MPLAYER
Setup_LDT_Keeper();
+ printf("Loading codec DLL: '%s'\n",filename);
+#endif
- if (!(npDriver = DrvAlloc(&hDriver, &uDrvResult)))
+ hDriver = (NPDRVR) malloc(sizeof(DRVR));
+ if (!hDriver)
return ((HDRVR) 0);
+ memset((void*)hDriver, 0, sizeof(DRVR));
- if (!(npDriver->hDriverModule = LoadLibraryA(win32_codec_name))) {
- printf("Can't open library %s\n", win32_codec_name);
- DrvFree(hDriver);
- return ((HDRVR) 0);
- }
+ CodecAlloc();
+ Setup_FS_Segment();
-#if 0
+ hDriver->hDriverModule = LoadLibraryA(filename);
+ if (!hDriver->hDriverModule)
{
- 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;
+ printf("Can't open library %s\n", filename);
+ DrvClose((HDRVR)hDriver);
+ return ((HDRVR) 0);
}
-#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 (wrong/missing GUID?)\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);
+ hDriver->DriverProc = (DRIVERPROC) GetProcAddress(hDriver->hDriverModule,
+ "DriverProc");
+ if (!hDriver->DriverProc)
+ {
+ printf("Library %s is not a valid VfW/ACM codec\n", filename);
+ DrvClose((HDRVR)hDriver);
+ return ((HDRVR) 0);
}
- //TRACE("DriverProc == %X\n", npDriver->DriverProc);
- npDriver->dwDriverID = ++dwDrvID;
-
- Setup_FS_Segment();
+ TRACE("DriverProc == %X\n", hDriver->DriverProc);
+ SendDriverMessage((HDRVR)hDriver, DRV_LOAD, 0, 0);
+ TRACE("DRV_LOAD Ok!\n");
+ SendDriverMessage((HDRVR)hDriver, DRV_ENABLE, 0, 0);
+ TRACE("DRV_ENABLE Ok!\n");
+ hDriver->dwDriverID = ++dwDrvID; // generate new id
- 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 and remmeber proper DriverID
+ hDriver->dwDriverID = SendDriverMessage((HDRVR)hDriver, DRV_OPEN, (LPARAM) unknown, lParam2);
+ TRACE("DRV_OPEN Ok!(%X)\n", hDriver->dwDriverID);
- // 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);
+ printf("Loaded DLL driver %s\n", filename);
+ return (HDRVR)hDriver;
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 07:34:33 +0000