1/*
2 * Copyright (C) 2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "ISOBox.h"
29
30namespace WebCore {
31
32class WEBCORE_EXPORT ISOTrackEncryptionBox : public ISOFullBox {
33public:
34 static FourCC boxTypeName() { return "tenc"; }
35
36 Optional<int8_t> defaultCryptByteBlock() const { return m_defaultCryptByteBlock; }
37 Optional<int8_t> defaultSkipByteBlock() const { return m_defaultSkipByteBlock; }
38 int8_t defaultIsProtected() const { return m_defaultIsProtected; }
39 int8_t defaultPerSampleIVSize() const { return m_defaultPerSampleIVSize; }
40 Vector<uint8_t> defaultKID() const { return m_defaultKID; }
41 Vector<uint8_t> defaultConstantIV() const { return m_defaultConstantIV; }
42
43protected:
44 bool parse(JSC::DataView&, unsigned& offset) override;
45
46 Optional<int8_t> m_defaultCryptByteBlock;
47 Optional<int8_t> m_defaultSkipByteBlock;
48 int8_t m_defaultIsProtected { 0 };
49 int8_t m_defaultPerSampleIVSize { 0 };
50 Vector<uint8_t> m_defaultKID;
51 Vector<uint8_t> m_defaultConstantIV;
52};
53
54}
55
56SPECIALIZE_TYPE_TRAITS_ISOBOX(ISOTrackEncryptionBox)
57