/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is MPEG4IP.
 *
 * Contributer has declined to give copyright information, and gives
 * it freely to the world.
 *
 * Contributor(s):
 */

#include "src/impl.h"

namespace mp4v2 {
namespace impl {

///////////////////////////////////////////////////////////////////////////////

MP4ColrAtom::MP4ColrAtom(MP4File &file)
        : MP4Atom(file, "colr")
{
    MP4StringProperty* cpt = new MP4StringProperty(*this,"colorParameterType");
    cpt->SetFixedLength(4);
    AddProperty(cpt); /* 0 */

    AddProperty( /* 1 */ new MP4Integer16Property(*this,"primariesIndex"));

    AddProperty( /* 2 */ new MP4Integer16Property(*this,"transferFunctionIndex"));

    AddProperty( /* 3 */ new MP4Integer16Property(*this,"matrixIndex"));
}

void MP4ColrAtom::Read()
{
    MP4Atom::ReadProperties(0, 4);

    if (strcmp(((MP4StringProperty*)m_pProperties[0])->GetValue(), "nclx") == 0) {
        if (GetCount() == 4) {
            // nclx has an additional property.
            AddProperty( /* 4 */ new MP4Integer8Property(*this,"fullRangeFlag"));
        }
        MP4Atom::ReadProperties(4);
    }
    MP4Atom::Skip();
}

void MP4ColrAtom::Generate()
{
    MP4Atom::Generate();

    ((MP4StringProperty*)m_pProperties[0])->SetValue("nclc");
    // default to ITU BT.709 values
    ((MP4Integer16Property*)m_pProperties[1])->SetValue(1);
    ((MP4Integer16Property*)m_pProperties[2])->SetValue(1);
    ((MP4Integer16Property*)m_pProperties[3])->SetValue(1);
}

///////////////////////////////////////////////////////////////////////////////

}
} // namespace mp4v2::impl
