blob: a50e164226098ceb71b4757c16eeffa19431d0a9 (
plain)
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
|
/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#ifndef AUD_SEQUENCERREADER
#define AUD_SEQUENCERREADER
#include "AUD_IReader.h"
#include "AUD_SequencerFactory.h"
#include "AUD_Mixer.h"
class AUD_Buffer;
struct AUD_SequencerStrip
{
AUD_IFactory* old_sound;
AUD_IReader* reader;
AUD_SequencerEntry* entry;
};
/**
* This resampling reader uses libsamplerate for resampling.
*/
class AUD_SequencerReader : public AUD_IReader
{
private:
/**
* The current position.
*/
int m_position;
/**
* The sound output buffer.
*/
AUD_Buffer *m_buffer;
/**
* The target specification.
*/
AUD_Mixer m_mixer;
/**
* Saves the SequencerFactory the reader belongs to.
*/
AUD_SequencerFactory* m_factory;
std::list<AUD_SequencerStrip*> m_strips;
void* m_data;
AUD_volumeFunction m_volume;
public:
/**
* Creates a resampling reader.
* \param reader The reader to mix.
* \param specs The target specification.
* \exception AUD_Exception Thrown if the reader is NULL.
*/
AUD_SequencerReader(AUD_SequencerFactory* factory, std::list<AUD_SequencerEntry*> &entries, AUD_Specs specs, void* data, AUD_volumeFunction volume);
/**
* Destroys the reader.
*/
~AUD_SequencerReader();
void destroy();
void add(AUD_SequencerEntry* entry);
void remove(AUD_SequencerEntry* entry);
virtual bool isSeekable();
virtual void seek(int position);
virtual int getLength();
virtual int getPosition();
virtual AUD_Specs getSpecs();
virtual AUD_ReaderType getType();
virtual bool notify(AUD_Message &message);
virtual void read(int & length, sample_t* & buffer);
};
#endif //AUD_SEQUENCERREADER
|
