OpenShot Audio Library | OpenShotAudio  0.3.0
juce_MemoryInputStream.h
1 /*
2  ==============================================================================
3 
4  This file is part of the JUCE library.
5  Copyright (c) 2017 - ROLI Ltd.
6 
7  JUCE is an open source library subject to commercial or open-source
8  licensing.
9 
10  The code included in this file is provided under the terms of the ISC license
11  http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12  To use, copy, modify, and/or distribute this software for any purpose with or
13  without fee is hereby granted provided that the above copyright notice and
14  this permission notice appear in all copies.
15 
16  JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17  EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18  DISCLAIMED.
19 
20  ==============================================================================
21 */
22 
23 namespace juce
24 {
25 
26 //==============================================================================
35 class JUCE_API MemoryInputStream : public InputStream
36 {
37 public:
38  //==============================================================================
49  MemoryInputStream (const void* sourceData,
50  size_t sourceDataSize,
51  bool keepInternalCopyOfData);
52 
62  MemoryInputStream (const MemoryBlock& data,
63  bool keepInternalCopyOfData);
64 
66  MemoryInputStream (MemoryBlock&& blockToTake);
67 
69  ~MemoryInputStream() override;
70 
72  const void* getData() const noexcept { return data; }
73 
75  size_t getDataSize() const noexcept { return dataSize; }
76 
77  //==============================================================================
78  int64 getPosition() override;
79  bool setPosition (int64) override;
80  int64 getTotalLength() override;
81  bool isExhausted() override;
82  int read (void* destBuffer, int maxBytesToRead) override;
83  void skipNextBytes (int64 numBytesToSkip) override;
84 
85 private:
86  //==============================================================================
87  const void* data;
88  size_t dataSize, position = 0;
89  MemoryBlock internalCopy;
90 
91  JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MemoryInputStream)
92 };
93 
94 } // namespace juce
size_t getDataSize() const noexcept
const void * getData() const noexcept