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
|
/*
* (C) 2003-2006 Gabest
* (C) 2006-2015 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* MPC-HC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "stdafx.h"
#include <atlpath.h>
#include "ISDb.h"
#include "mplayerc.h"
#define PROBE_SIZE (64 * 1024)
namespace ISDb
{
bool mpc_filehash(IFileSourceFilter* pFSF, filehash& fh)
{
CComQIPtr<IAsyncReader> pAR;
if (CComQIPtr<IBaseFilter> pBF = pFSF) {
BeginEnumPins(pBF, pEP, pPin)
if (pAR = pPin) {
break;
}
EndEnumPins;
}
if (!pAR || !pFSF) {
return false;
}
CComHeapPtr<OLECHAR> name;
if (FAILED(pFSF->GetCurFile(&name, nullptr))) {
return false;
}
fh.name = name;
LONGLONG size, available;
if (pAR->Length(&size, &available) != S_OK) { // Don't accept estimates
return false;
}
fh.size = size;
fh.mpc_filehash = fh.size;
LONGLONG position = 0;
for (UINT64 tmp = 0, i = 0; i < PROBE_SIZE / sizeof(tmp) && SUCCEEDED(pAR->SyncRead(position, sizeof(tmp), (BYTE*)&tmp)); fh.mpc_filehash += tmp, position += sizeof(tmp), i++) {
;
}
position = std::max(0ll, (INT64)fh.size - PROBE_SIZE);
for (UINT64 tmp = 0, i = 0; i < PROBE_SIZE / sizeof(tmp) && SUCCEEDED(pAR->SyncRead(position, sizeof(tmp), (BYTE*)&tmp)); fh.mpc_filehash += tmp, position += sizeof(tmp), i++) {
;
}
return true;
}
bool mpc_filehash(LPCTSTR fn, filehash& fh)
{
CFile f;
CFileException fe;
if (!f.Open(fn, CFile::modeRead | CFile::osSequentialScan | CFile::shareDenyNone, &fe)) {
return false;
}
CPath p(fn);
p.StripPath();
fh.name = (LPCTSTR)p;
fh.size = f.GetLength();
fh.mpc_filehash = fh.size;
for (UINT64 tmp = 0, i = 0; i < PROBE_SIZE / sizeof(tmp) && f.Read(&tmp, sizeof(tmp)); fh.mpc_filehash += tmp, i++) {
;
}
f.Seek(std::max(0ll, (INT64)fh.size - PROBE_SIZE), CFile::begin);
for (UINT64 tmp = 0, i = 0; i < PROBE_SIZE / sizeof(tmp) && f.Read(&tmp, sizeof(tmp)); fh.mpc_filehash += tmp, i++) {
;
}
return true;
}
void mpc_filehash(CPlaylist& pl, CList<filehash>& fhs)
{
fhs.RemoveAll();
POSITION pos = pl.GetHeadPosition();
while (pos) {
CString fn = pl.GetNext(pos).m_fns.GetHead();
if (AfxGetAppSettings().m_Formats.FindExt(CPath(fn).GetExtension().MakeLower(), true)) {
continue;
}
filehash fh;
if (!mpc_filehash(fn, fh)) {
continue;
}
fhs.AddTail(fh);
}
}
CStringA makeargs(CPlaylist& pl)
{
CList<filehash> fhs;
mpc_filehash(pl, fhs);
CAtlList<CStringA> args;
POSITION pos = fhs.GetHeadPosition();
for (int i = 0; pos; i++) {
filehash& fh = fhs.GetNext(pos);
CStringA str;
str.Format("name[%d]=%s&size[%d]=%016I64x&hash[%d]=%016I64x",
i, UrlEncode(CStringA(fh.name)),
i, fh.size,
i, fh.mpc_filehash);
args.AddTail(str);
}
return Implode(args, '&');
}
}
|
