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
|
/*
Copyright (C) 2000 Stefan Westerfeld
[email protected]
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef CACHEDWAV_H
#define CACHEDWAV_H
#include "config.h"
#include "arts_export.h"
#ifdef HAVE_LIBAUDIOFILE
#include "cache.h"
#include <sys/stat.h>
#include <unistd.h>
/*
* BC - Status (2002-03-08): CachedWav.
*
* At the current point in time, there are NO GUARANTEES, so only use this
* in apps part of official KDE releases (such as kdemultimedia apps), which
* know what is happening here. Especially, in SOME kde versions this class
* might not even exist, as it gets conditionally compiled.
*/
namespace Arts {
class ARTS_EXPORT CachedWav : public CachedObject
{
protected:
struct stat oldstat;
std::string filename;
bool initOk;
CachedWav(Cache *cache, std::string filename);
~CachedWav();
typedef unsigned char uchar;
public:
double samplingRate;
long bufferSize;
int channelCount;
int sampleWidth;
unsigned char *buffer;
static CachedWav *load(Cache *cache, std::string filename);
/**
* validity test for the cache - returns false if the object is having
* reflecting the correct contents anymore (e.g. if the file on the
* disk has changed), and there is no point in keeping it in the cache any
* longer
*/
bool isValid();
/**
* memory usage for the cache
*/
int memoryUsage();
std::string mediaName() const { return filename; }
};
}
#endif /* HAVE_LIBAUDIOFILE */
#endif /* CACHEDWAV_H */
|
