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
|
// -*- c-basic-offset: 4 -*-
/*
Rosegarden
A sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <[email protected]>,
Chris Cannam <[email protected]>,
Richard Bown <[email protected]>
The moral right of the authors to claim authorship of this work
has been asserted.
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 included with this distribution for more information.
*/
// Specialisation of a RIFF file - the WAV defines a format chunk
// holding audio file meta data and a data chunk with interleaved
// sample bytes.
//
#include "RIFFAudioFile.h"
#ifndef _WAVAUDIOFILE_H_
#define _WAVAUDIOFILE_H_
namespace Rosegarden
{
class WAVAudioFile : public RIFFAudioFile
{
public:
WAVAudioFile(const unsigned int &id,
const std::string &name,
const std::string &fileName);
WAVAudioFile(const std::string &fileName,
unsigned int channels,
unsigned int sampleRate,
unsigned int bytesPerSecond,
unsigned int bytesPerSample,
unsigned int bitsPerSample);
~WAVAudioFile();
// Override these methods for the WAV
//
virtual bool open();
virtual bool write();
virtual void close();
// Decode and de-interleave the given samples that were retrieved
// from this file or another with the same format as it. Place
// the results in the given float buffer. Return true for
// success. This function does crappy resampling if necessary.
//
virtual bool decode(const unsigned char *sourceData,
size_t sourceBytes,
size_t targetSampleRate,
size_t targetChannels,
size_t targetFrames,
std::vector<float *> &targetData,
bool addToResultBuffers = false);
// Get all header information
//
void parseHeader();
// Offset to start of sample data
//
virtual std::streampos getDataOffset();
// Peak file name
//
virtual std::string getPeakFilename()
{ return (m_fileName + std::string(".pk")); }
protected:
};
}
#endif // _WAVAUDIOFILE_H_
|
