/*
* HLSSegment.cpp
*****************************************************************************
* Copyright (C) 2015 VideoLAN and VLC authors
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "HLSSegment.hpp"
#include "../../adaptive/playlist/BaseRepresentation.h"
using namespace hls::playlist;
HLSSegment::HLSSegment( ICanonicalUrl *parent, uint64_t seq ) :
Segment( parent )
{
setSequenceNumber(seq);
}
HLSSegment::~HLSSegment()
{
}
bool HLSSegment::prepareChunk(SharedResources *res, SegmentChunk *chunk, BaseRepresentation *rep)
{
if(encryption.method == CommonEncryption::Method::AES_128)
{
if (encryption.iv.size() != 16)
{
uint64_t sequence = getSequenceNumber();
encryption.iv.clear();
encryption.iv.resize(16);
encryption.iv[15] = (sequence >> 0) & 0xff;
encryption.iv[14] = (sequence >> 8) & 0xff;
encryption.iv[13] = (sequence >> 16) & 0xff;
encryption.iv[12] = (sequence >> 24) & 0xff;
}
}
return Segment::prepareChunk(res, chunk, rep);
}
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