| /* |
| * Copyright (C) 2017 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "ISOSchemeInformationBox.h" |
| |
| #include "ISOTrackEncryptionBox.h" |
| #include <JavaScriptCore/DataView.h> |
| |
| using JSC::DataView; |
| |
| namespace WebCore { |
| |
| bool ISOSchemeInformationBox::parse(DataView& view, unsigned& offset) |
| { |
| unsigned localOffset = offset; |
| if (!ISOBox::parse(view, localOffset)) |
| return false; |
| |
| auto schemeSpecificBoxType = ISOBox::peekBox(view, localOffset); |
| if (!schemeSpecificBoxType) |
| return false; |
| |
| if (schemeSpecificBoxType.value().first == ISOTrackEncryptionBox::boxTypeName()) { |
| if (localOffset + schemeSpecificBoxType.value().second > offset + m_size) |
| return false; |
| |
| m_schemeSpecificData = makeUnique<ISOTrackEncryptionBox>(); |
| if (!m_schemeSpecificData->read(view, localOffset)) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } |