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SoundFileReader.hpp
1 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2018 Laurent Gomila (laurent@sfml-dev.org)
5 //
6 // This software is provided 'as-is', without any express or implied warranty.
7 // In no event will the authors be held liable for any damages arising from the use of this software.
8 //
9 // Permission is granted to anyone to use this software for any purpose,
10 // including commercial applications, and to alter it and redistribute it freely,
11 // subject to the following restrictions:
12 //
13 // 1. The origin of this software must not be misrepresented;
14 // you must not claim that you wrote the original software.
15 // If you use this software in a product, an acknowledgment
16 // in the product documentation would be appreciated but is not required.
17 //
18 // 2. Altered source versions must be plainly marked as such,
19 // and must not be misrepresented as being the original software.
20 //
21 // 3. This notice may not be removed or altered from any source distribution.
22 //
24
25 #ifndef SFML_SOUNDFILEREADER_HPP
26 #define SFML_SOUNDFILEREADER_HPP
27
29 // Headers
31 #include <SFML/Audio/Export.hpp>
32 #include <string>
33
34
35 namespace sf
36 {
37 class InputStream;
38
43 class SFML_AUDIO_API SoundFileReader
44 {
45 public:
46
51 struct Info
52 {
53 Uint64 sampleCount;
54 unsigned int channelCount;
55 unsigned int sampleRate;
56 };
57
62 virtual ~SoundFileReader() {}
63
77 virtual bool open(InputStream& stream, Info& info) = 0;
78
92 virtual void seek(Uint64 sampleOffset) = 0;
93
103 virtual Uint64 read(Int16* samples, Uint64 maxCount) = 0;
104 };
105
106 } // namespace sf
107
108
109 #endif // SFML_SOUNDFILEREADER_HPP
110
111
sf::InputStream
Abstract class for custom file input streams.
Definition: InputStream.hpp:42
sf::SoundFileReader
Abstract base class for sound file decoding.
Definition: SoundFileReader.hpp:44
sf::SoundFileReader::seek
virtual void seek(Uint64 sampleOffset)=0
Change the current read position to the given sample offset.
sf::SoundFileReader::~SoundFileReader
virtual ~SoundFileReader()
Virtual destructor.
Definition: SoundFileReader.hpp:62
sf::SoundFileReader::read
virtual Uint64 read(Int16 *samples, Uint64 maxCount)=0
Read audio samples from the open file.
sf::SoundFileReader::open
virtual bool open(InputStream &stream, Info &info)=0
Open a sound file for reading.
sf::SoundFileReader::Info
Structure holding the audio properties of a sound file.
Definition: SoundFileReader.hpp:52
sf::SoundFileReader::Info::sampleRate
unsigned int sampleRate
Samples rate of the sound, in samples per second.
Definition: SoundFileReader.hpp:55
sf::SoundFileReader::Info::sampleCount
Uint64 sampleCount
Total number of samples in the file.
Definition: SoundFileReader.hpp:53
sf::SoundFileReader::Info::channelCount
unsigned int channelCount
Number of channels of the sound.
Definition: SoundFileReader.hpp:54