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
|
/*
*
* $Id$
* Copyright (C) 2003-2008 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2008 Sebastian Trueg <trueg@k3b.org>
*
* This program 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 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef K3BMP3MODULE_H
#define K3BMP3MODULE_H
#include "k3baudiodecoder.h"
extern "C" {
#include <mad.h>
}
class K3bMadDecoderFactory : public K3b::AudioDecoderFactory
{
Q_OBJECT
public:
K3bMadDecoderFactory( QObject* parent = 0, const QVariantList& args = QVariantList() );
~K3bMadDecoderFactory();
bool canDecode( const KUrl& filename );
int pluginSystemVersion() const { return K3B_PLUGIN_SYSTEM_VERSION; }
K3b::AudioDecoder* createDecoder( QObject* parent = 0 ) const;
};
class K3bMadDecoder : public K3b::AudioDecoder
{
Q_OBJECT
public:
K3bMadDecoder( QObject* parent = 0 );
~K3bMadDecoder();
QString metaInfo( MetaDataField );
void cleanup();
bool seekInternal( const K3b::Msf& );
QString fileType() const;
QStringList supportedTechnicalInfos() const;
QString technicalInfo( const QString& ) const;
protected:
bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch );
bool initDecoderInternal();
int decodeInternal( char* _data, int maxLen );
private:
unsigned long countFrames();
inline unsigned short linearRound( mad_fixed_t fixed );
bool createPcmSamples( mad_synth* );
static int MaxAllowedRecoverableErrors;
class MadDecoderPrivate;
MadDecoderPrivate* d;
};
K3B_EXPORT_PLUGIN(k3bmaddecoder, K3bMadDecoderFactory)
#endif
|
