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
|
/*
* Modified for use with MPlayer, detailed changelog at
* http://svn.mplayerhq.hu/mplayer/trunk/
*/
#include "config.h"
#include "DMO_Filter.h"
#include "loader/drv.h"
#include "loader/com.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "loader/win32.h" // printf macro
void trapbug(void);
typedef long STDCALL (*GETCLASS) (const GUID*, const GUID*, void**);
void DMO_Filter_Destroy(DMO_Filter* This)
{
if (This->m_pOptim)
This->m_pOptim->vt->Release((IUnknown*)This->m_pOptim);
if (This->m_pInPlace)
This->m_pInPlace->vt->Release((IUnknown*)This->m_pInPlace);
if (This->m_pMedia)
This->m_pMedia->vt->Release((IUnknown*)This->m_pMedia);
free(This);
#ifdef WIN32_LOADER
CodecRelease();
#endif
}
DMO_Filter* DMO_FilterCreate(const char* dllname, const GUID* id,
DMO_MEDIA_TYPE* in_fmt,
DMO_MEDIA_TYPE* out_fmt)
{
HRESULT hr = 0;
const char* em = NULL;
DMO_Filter* This = (DMO_Filter*) malloc(sizeof(DMO_Filter));
if (!This)
return NULL;
memset(This, 0, sizeof(DMO_Filter));
#ifdef WIN32_LOADER
CodecAlloc();
#endif
//This->Start = DS_Filter_Start;
//This->Stop = DS_Filter_Stop;
for (;;)
{
GETCLASS func;
struct IClassFactory* factory = NULL;
struct IUnknown* object = NULL;
unsigned int i;
unsigned long inputs, outputs;
This->m_iHandle = LoadLibraryA(dllname);
if (!This->m_iHandle)
{
em = "could not open DMO DLL";
break;
}
func = (GETCLASS)GetProcAddress((unsigned)This->m_iHandle, "DllGetClassObject");
if (!func)
{
em = "illegal or corrupt DMO DLL";
break;
}
//trapbug();
hr = func(id, &IID_IClassFactory, (void*)&factory);
if (hr || !factory)
{
em = "no such class object";
break;
}
hr = factory->vt->CreateInstance(factory, 0, &IID_IUnknown, (void*)&object);
factory->vt->Release((IUnknown*)factory);
if (hr || !object)
{
em = "class factory failure";
break;
}
hr = object->vt->QueryInterface(object, &IID_IMediaObject, (void*)&This->m_pMedia);
if (hr == 0)
{
/* query for some extra available interface */
HRESULT r = object->vt->QueryInterface(object, &IID_IMediaObjectInPlace, (void*)&This->m_pInPlace);
if (r == 0 && This->m_pInPlace)
printf("DMO dll supports InPlace - PLEASE REPORT to developer\n");
r = object->vt->QueryInterface(object, &IID_IDMOVideoOutputOptimizations, (void*)&This->m_pOptim);
if (r == 0 && This->m_pOptim)
{
unsigned long flags;
r = This->m_pOptim->vt->QueryOperationModePreferences(This->m_pOptim, 0, &flags);
printf("DMO dll supports VO Optimizations %ld %lx\n", r, flags);
if (flags & DMO_VOSF_NEEDS_PREVIOUS_SAMPLE)
printf("DMO dll might use previous sample when requested\n");
}
}
object->vt->Release((IUnknown*)object);
if (hr || !This->m_pMedia)
{
em = "object does not provide IMediaObject interface";
break;
}
hr = This->m_pMedia->vt->SetInputType(This->m_pMedia, 0, in_fmt, 0);
if (hr)
{
em = "input format not accepted";
break;
}
if (0) {
DMO_MEDIA_TYPE dmo;
//VIDEOINFOHEADER* vi;
memset(&dmo, 0, sizeof(dmo));
i = This->m_pMedia->vt->GetOutputType(This->m_pMedia, 0, 2, &dmo);
Debug printf("GetOutputType %x \n", i);
Debug printf("DMO 0x%x (%.4s) 0x%x (%.4s)\n"
//Debug printf("DMO 0x%x 0x%x\n"
":: fixszsamp:%d tempcomp:%d sampsz:%ld\n"
":: formtype: 0x%x\n"
":: unk %p cbform: %ld pbform:%p\n",
dmo.majortype.f1,
(const char*)&dmo.majortype.f1,
dmo.subtype.f1,
(const char*)&dmo.subtype.f1,
dmo.bFixedSizeSamples, dmo.bTemporalCompression,
dmo.lSampleSize,
dmo.formattype.f1,
dmo.pUnk, dmo.cbFormat, dmo.pbFormat
);
/* vi = (VIDEOINFOHEADER*) dmo.pbFormat;
vi = (VIDEOINFOHEADER*) out_fmt->pbFormat;
for (i = 0; i < out_fmt->cbFormat; i++)
Debug printf("BYTE %d %02x %02x\n", i, ((uint8_t*)dmo.pbFormat)[i], ((uint8_t*)out_fmt->pbFormat)[i]);
*/
}
hr = This->m_pMedia->vt->SetOutputType(This->m_pMedia, 0, out_fmt, 0);
if (hr)
{
em = "output format no accepted";
break;
}
inputs = outputs = 0;
hr = This->m_pMedia->vt->GetOutputSizeInfo(This->m_pMedia, 0, &inputs, &outputs);
Debug printf("GetOutput r=0x%lx size:%ld align:%ld\n", hr, inputs, outputs);
// This->m_pMedia->vt->AllocateStreamingResources(This->m_pMedia);
hr = This->m_pMedia->vt->GetStreamCount(This->m_pMedia, &inputs, &outputs);
Debug printf("StreamCount r=0x%lx %ld %ld\n", hr, inputs, outputs);
break;
}
if (em)
{
DMO_Filter_Destroy(This);
printf("IMediaObject ERROR: %p %s (0x%lx : %ld)\n", em, em ? em : "", hr, hr);
This = 0;
}
return This;
}
|
