Documentation de SFML 2.6.2

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SoundFileReader.hpp
1
2//
3// SFML - Simple and Fast Multimedia Library
4// Copyright (C) 2007-2023 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
35namespace sf
36{
37class InputStream;
38
43class SFML_AUDIO_API SoundFileReader
44{
45public:
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
Abstract class for custom file input streams.
Abstract base class for sound file decoding.
virtual void seek(Uint64 sampleOffset)=0
Change the current read position to the given sample offset.
virtual ~SoundFileReader()
Virtual destructor.
virtual Uint64 read(Int16 *samples, Uint64 maxCount)=0
Read audio samples from the open file.
virtual bool open(InputStream &stream, Info &info)=0
Open a sound file for reading.
Structure holding the audio properties of a sound file.
unsigned int sampleRate
Samples rate of the sound, in samples per second.
Uint64 sampleCount
Total number of samples in the file.
unsigned int channelCount
Number of channels of the sound.