/* This file is part of Nokia HEIF library
 *
 * Copyright (c) 2015-2025 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 *
 * Contact: heif@nokia.com
 *
 * This software, including documentation, is protected by copyright controlled by Nokia Corporation and/ or its
 * subsidiaries. All rights are reserved.
 *
 * Copying, including reproducing, storing, adapting or translating, any or all of this material requires the prior
 * written consent of Nokia.
 */

#include "sampleentrybox.hpp"

#include "bitstream.hpp"
#include "log.hpp"


static const int RESERVED_BYTES = 6;

SampleEntryBox::SampleEntryBox(FourCCInt codingname)
    : Box(codingname)
    , mDataReferenceIndex(0)
{
}

SampleEntryBox::SampleEntryBox(const SampleEntryBox& box)
    : Box(box.getType())
    , mDataReferenceIndex(box.mDataReferenceIndex)
{
}

std::uint16_t SampleEntryBox::getDataReferenceIndex() const
{
    return mDataReferenceIndex;
}

void SampleEntryBox::setDataReferenceIndex(std::uint16_t dataReferenceIndex)
{
    mDataReferenceIndex = dataReferenceIndex;
}

void SampleEntryBox::writeBox(ISOBMFF::BitStream& bitstr) const
{
    writeBoxHeader(bitstr);

    for (int i = 0; i < RESERVED_BYTES; ++i)
    {
        bitstr.write8Bits(0);  // reserved = 0
    }

    bitstr.write16Bits(mDataReferenceIndex);

    updateSize(bitstr);
}

void SampleEntryBox::parseBox(ISOBMFF::BitStream& bitstr)
{
    parseBoxHeader(bitstr);

    for (int i = 0; i < RESERVED_BYTES; ++i)
    {
        bitstr.read8Bits();  // reserved
    }

    mDataReferenceIndex = bitstr.read16Bits();
}