OpenShot Audio Library | OpenShotAudio  0.3.0
juce_GZIPDecompressorInputStream.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 //==============================================================================
39 {
40 public:
41  enum Format
42  {
43  zlibFormat = 0,
44  deflateFormat,
45  gzipFormat
46  };
47 
48  //==============================================================================
61  bool deleteSourceWhenDestroyed,
62  Format sourceFormat = zlibFormat,
63  int64 uncompressedStreamLength = -1);
64 
71 
73  ~GZIPDecompressorInputStream() override;
74 
75  //==============================================================================
76  int64 getPosition() override;
77  bool setPosition (int64 pos) override;
78  int64 getTotalLength() override;
79  bool isExhausted() override;
80  int read (void* destBuffer, int maxBytesToRead) override;
81 
82 private:
83  //==============================================================================
85  const int64 uncompressedStreamLength;
86  const Format format;
87  bool isEof = false;
88  int activeBufferSize = 0;
89  int64 originalSourcePos, currentPos = 0;
90  HeapBlock<uint8> buffer;
91 
92  class GZIPDecompressHelper;
93  std::unique_ptr<GZIPDecompressHelper> helper;
94 
95  #if JUCE_CATCH_DEPRECATED_CODE_MISUSE
96  // The arguments to this method have changed! Please pass a Format enum instead of the old dontWrap bool.
97  GZIPDecompressorInputStream (InputStream*, bool, bool, int64 x = -1);
98  #endif
99 
100  JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (GZIPDecompressorInputStream)
101 };
102 
103 } // namespace juce