1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
* Modified for use with MPlayer, detailed changelog at
* http://svn.mplayerhq.hu/mplayer/trunk/
* $Id$
*/
#include "config.h"
#include <stdio.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include <stdlib.h>
#ifdef __FreeBSD__
#include <sys/time.h>
#endif
#include "win32.h"
#include "wine/driver.h"
#include "wine/pe_image.h"
#include "wine/winreg.h"
#include "wine/vfw.h"
#include "registry.h"
#ifdef WIN32_LOADER
#include "ldt_keeper.h"
#endif
#include "driver.h"
#ifndef __MINGW32__
#include "ext.h"
#endif
#ifndef WIN32_LOADER
char* def_path=WIN32_PATH;
#else
extern char* def_path;
#endif
#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
* 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
#else
// this asm code is no longer needed
#define STORE_ALL \
__asm__ __volatile__ ( \
"push %%ebx\n\t" \
"push %%ecx\n\t" \
"push %%edx\n\t" \
"push %%esi\n\t" \
"push %%edi\n\t"::)
#define REST_ALL \
__asm__ __volatile__ ( \
"pop %%edi\n\t" \
"pop %%esi\n\t" \
"pop %%edx\n\t" \
"pop %%ecx\n\t" \
"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)
{
DRVR* module=(DRVR*)hDriver;
int result;
#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 || !module->hDriverModule || !module->DriverProc) return -1;
#ifndef __svr4__
__asm__ __volatile__ ("fsave (%0)\n\t": :"r"(&qw));
#endif
#ifdef WIN32_LOADER
Setup_FS_Segment();
#endif
STORE_ALL;
result=module->DriverProc(module->dwDriverID, hDriver, message, lParam1, lParam2);
REST_ALL;
#ifndef __svr4__
__asm__ __volatile__ ("frstor (%0)\n\t": :"r"(&qw));
#endif
#ifdef DETAILED_OUT
printf("\t\tResult: %X\n", result);
#endif
return result;
}
void DrvClose(HDRVR hDriver)
{
if (hDriver)
{
DRVR* d = (DRVR*)hDriver;
if (d->hDriverModule)
{
#ifdef WIN32_LOADER
Setup_FS_Segment();
#endif
if (d->DriverProc)
{
SendDriverMessage(hDriver, DRV_CLOSE, 0, 0);
d->dwDriverID = 0;
SendDriverMessage(hDriver, DRV_FREE, 0, 0);
}
FreeLibrary(d->hDriverModule);
}
free(d);
}
#ifdef WIN32_LOADER
CodecRelease();
#endif
}
//DrvOpen(LPCSTR lpszDriverName, LPCSTR lpszSectionName, LPARAM lParam2)
HDRVR DrvOpen(LPARAM lParam2)
{
NPDRVR hDriver;
int i;
char unknown[0x124];
const char* filename = (const char*) ((ICOPEN*) lParam2)->pV1Reserved;
#ifdef MPLAYER
#ifdef WIN32_LOADER
Setup_LDT_Keeper();
#endif
printf("Loading codec DLL: '%s'\n",filename);
#endif
hDriver = (NPDRVR) malloc(sizeof(DRVR));
if (!hDriver)
return ((HDRVR) 0);
memset((void*)hDriver, 0, sizeof(DRVR));
#ifdef WIN32_LOADER
CodecAlloc();
Setup_FS_Segment();
#endif
hDriver->hDriverModule = LoadLibraryA(filename);
if (!hDriver->hDriverModule)
{
printf("Can't open library %s\n", filename);
DrvClose((HDRVR)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", 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
// open driver and remmeber proper DriverID
hDriver->dwDriverID = SendDriverMessage((HDRVR)hDriver, DRV_OPEN, (LPARAM) unknown, lParam2);
TRACE("DRV_OPEN Ok!(%X)\n", hDriver->dwDriverID);
printf("Loaded DLL driver %s at %x\n", filename, hDriver->hDriverModule);
return (HDRVR)hDriver;
}
|
