/***************************************************************************
    copyright            : (C) 2002, 2003, 2006 by Jochen Issing
    email                : jochen.issing@isign-softart.de
 ***************************************************************************/

/***************************************************************************
 *   This library is free software; you can redistribute it and/or modify  *
 *   it  under the terms of the GNU Lesser General Public License version  *
 *   2.1 as published by the Free Software Foundation.                     *
 *                                                                         *
 *   This library 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 library; if not, write to the Free Software   *
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
 *   MA  02110-1301  USA                                                   *
 ***************************************************************************/

#include "mp4propsproxy.h"

using namespace TagLib;

class MP4::Mp4PropsProxy::Mp4PropsProxyPrivate
{
public:
  //! the movie header box
  MP4::Mp4MvhdBox* mvhdbox;
  //! the sample table box
  MP4::Mp4AudioSampleEntry* audiosampleentry;
};


MP4::Mp4PropsProxy::Mp4PropsProxy()
{
  d = new MP4::Mp4PropsProxy::Mp4PropsProxyPrivate();
  d->mvhdbox = 0;
  d->audiosampleentry = 0;
}

MP4::Mp4PropsProxy::~Mp4PropsProxy()
{
  delete d;
}

TagLib::uint MP4::Mp4PropsProxy::seconds() const
{
  if( d->mvhdbox )
    return static_cast<TagLib::uint>( d->mvhdbox->duration() / d->mvhdbox->timescale() );
  else
    return 0;
}

TagLib::uint MP4::Mp4PropsProxy::channels() const
{
  if( d->audiosampleentry )
    return d->audiosampleentry->channels();
  else
    return 0;
}

TagLib::uint MP4::Mp4PropsProxy::sampleRate() const
{
  if( d->audiosampleentry )
    return (d->audiosampleentry->samplerate()>>16);
  else
    return 0;
}

TagLib::uint MP4::Mp4PropsProxy::bitRate() const
{
  if( d->audiosampleentry )
    return (d->audiosampleentry->bitrate());
  else
    return 0;
}

void MP4::Mp4PropsProxy::registerMvhd( MP4::Mp4MvhdBox* mvhdbox )
{
  d->mvhdbox = mvhdbox;
}

void MP4::Mp4PropsProxy::registerAudioSampleEntry( MP4::Mp4AudioSampleEntry* audioSampleEntry )
{
  d->audiosampleentry = audioSampleEntry;
}