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
|
/*
*
*
* Copyright (C) 2004 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 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 _K3B_FFMPEG_WRAPPER_H_
#define _K3B_FFMPEG_WRAPPER_H_
#include "k3bmsf.h"
/**
* Create with K3bFFMpegWrapper::open
*/
class K3bFFMpegFile
{
friend class K3bFFMpegWrapper;
public:
~K3bFFMpegFile();
const QString& filename() const { return m_filename; }
bool open();
void close();
K3b::Msf length() const;
int sampleRate() const;
int channels() const;
/**
* ffmpeg internal enumeration
*/
int type() const;
QString typeComment() const;
QString title() const;
QString author() const;
QString comment() const;
int read( char* buf, int bufLen );
bool seek( const K3b::Msf& );
private:
K3bFFMpegFile( const QString& filename );
int readPacket();
int fillOutputBuffer();
QString m_filename;
class Private;
Private* d;
};
class K3bFFMpegWrapper
{
public:
~K3bFFMpegWrapper();
/**
* returns 0 on failure.
*/
K3bFFMpegFile* open( const QString& filename ) const;
static K3bFFMpegWrapper* instance();
private:
K3bFFMpegWrapper();
static K3bFFMpegWrapper* s_instance;
};
#endif
|
