Audaspace 1.5.0
A high level audio library.
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SequenceReader.h
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1/*******************************************************************************
2 * Copyright 2009-2016 Jörg Müller
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 ******************************************************************************/
16
17#pragma once
18
25#include "IReader.h"
26#include "devices/ReadDevice.h"
27
29
30class SequenceHandle;
31class SequenceData;
32
37{
38private:
42 int m_position;
43
47 ReadDevice m_device;
48
52 std::shared_ptr<SequenceData> m_sequence;
53
57 std::list<std::shared_ptr<SequenceHandle> > m_handles;
58
62 int m_status;
63
67 int m_entry_status;
68
69 // delete copy constructor and operator=
70 SequenceReader(const SequenceReader&) = delete;
71 SequenceReader& operator=(const SequenceReader&) = delete;
72
73public:
79 SequenceReader(std::shared_ptr<SequenceData> sequence, ResampleQuality quality = ResampleQuality::FASTEST);
80
85
86 virtual bool isSeekable() const;
87 virtual void seek(int position);
88 virtual int getLength() const;
89 virtual int getPosition() const;
90 virtual Specs getSpecs() const;
91 virtual void read(int& length, bool& eos, sample_t* buffer);
92};
93
#define AUD_NAMESPACE_END
Closes the audaspace namespace aud.
Definition Audaspace.h:119
float sample_t
Sample type.(float samples)
Definition Audaspace.h:126
#define AUD_NAMESPACE_BEGIN
Opens the audaspace namespace aud.
Definition Audaspace.h:116
#define AUD_API
Used for exporting symbols in the shared library.
Definition Audaspace.h:93
The IReader interface.
The ReadDevice class.
ResampleQuality
Resampling algorithm and quality.
Definition Specification.h:88
This class represents a sound source as stream or as buffer which can be read for example by another ...
Definition IReader.h:35
This device enables to let the user read raw data out of it.
Definition ReadDevice.h:33
This class represents sequenced entries to play a sound scene.
Definition SequenceData.h:43
This reader plays back sequenced entries.
Definition SequenceReader.h:37
virtual int getPosition() const
Returns the position of the source as a sample count value.
virtual void seek(int position)
Seeks to a specific position in the source.
virtual bool isSeekable() const
Tells whether the source provides seeking functionality or not.
SequenceReader(std::shared_ptr< SequenceData > sequence, ResampleQuality quality=ResampleQuality::FASTEST)
Creates a resampling reader.
virtual Specs getSpecs() const
Returns the specification of the reader.
virtual void read(int &length, bool &eos, sample_t *buffer)
Request to read the next length samples out of the source.
virtual int getLength() const
Returns an approximated length of the source in samples.
~SequenceReader()
Destroys the reader.
Specification of a sound source.
Definition Specification.h:119