text: /***************************************************************************
      copyright            : (C) 2014 by Urs Fleisch
      email                : ufleisch@users.sourceforge.net
   ***************************************************************************/
  
  /***************************************************************************
   *   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                                                       *
   *                                                                         *
   *   Alternatively, this file is available under the Mozilla Public        *
   *   License Version 1.1.  You may obtain a copy of the License at         *
   *   http://www.mozilla.org/MPL/                                           *
   ***************************************************************************/
  
  #include "eventtimingcodesframe.h"
  #include <tbytevectorlist.h>
  #include <id3v2tag.h>
  #include <tdebug.h>
  #include <tpropertymap.h>
  
  using namespace TagLib;
  using namespace ID3v2;
  
  class EventTimingCodesFrame::EventTimingCodesFramePrivate
  {
  public:
    EventTimingCodesFramePrivate() :
      timestampFormat(EventTimingCodesFrame::AbsoluteMilliseconds) {}
    EventTimingCodesFrame::TimestampFormat timestampFormat;
    EventTimingCodesFrame::SynchedEventList synchedEvents;
  };
  
  ////////////////////////////////////////////////////////////////////////////////
  // public members
  ////////////////////////////////////////////////////////////////////////////////
  
  EventTimingCodesFrame::EventTimingCodesFrame() :
    Frame("ETCO"),
    d(new EventTimingCodesFramePrivate())
  {
  }
  
  EventTimingCodesFrame::EventTimingCodesFrame(const ByteVector &data) :
    Frame(data),
    d(new EventTimingCodesFramePrivate())
  {
    setData(data);
  }
  
  EventTimingCodesFrame::~EventTimingCodesFrame()
  {
    delete d;
  }
  
  String EventTimingCodesFrame::toString() const
  {
    return String();
  }
  
  EventTimingCodesFrame::TimestampFormat
  EventTimingCodesFrame::timestampFormat() const
  {
    return d->timestampFormat;
  }
  
  EventTimingCodesFrame::SynchedEventList
  EventTimingCodesFrame::synchedEvents() const
  {
    return d->synchedEvents;
  }
  
  void EventTimingCodesFrame::setTimestampFormat(
      EventTimingCodesFrame::TimestampFormat f)
  {
    d->timestampFormat = f;
  }
  
  void EventTimingCodesFrame::setSynchedEvents(
      const EventTimingCodesFrame::SynchedEventList &e)
  {
    d->synchedEvents = e;
  }
  
  ////////////////////////////////////////////////////////////////////////////////
  // protected members
  ////////////////////////////////////////////////////////////////////////////////
  
  void EventTimingCodesFrame::parseFields(const ByteVector &data)
  {
    const int end = data.size();
    if(end < 1) {
      debug("An event timing codes frame must contain at least 1 byte.");
      return;
    }
  
    d->timestampFormat = TimestampFormat(data[0]);
  
    int pos = 1;
    d->synchedEvents.clear();
    while(pos + 4 < end) {
      EventType type = static_cast<EventType>(static_cast<unsigned char>(data[pos++]));
      unsigned int time = data.toUInt(pos, true);
      pos += 4;
      d->synchedEvents.append(SynchedEvent(time, type));
    }
  }
  
  ByteVector EventTimingCodesFrame::renderFields() const
  {
    ByteVector v;
  
    v.append(char(d->timestampFormat));
    for(SynchedEventList::ConstIterator it = d->synchedEvents.begin();
        it != d->synchedEvents.end();
        ++it) {
      const SynchedEvent &entry = *it;
      v.append(char(entry.type));
      v.append(ByteVector::fromUInt(entry.time));
    }
  
    return v;
  }
  
  ////////////////////////////////////////////////////////////////////////////////
  // private members
  ////////////////////////////////////////////////////////////////////////////////
  
  EventTimingCodesFrame::EventTimingCodesFrame(const ByteVector &data, Header *h) :
    Frame(h),
    d(new EventTimingCodesFramePrivate())
  {
    parseFields(fieldData(data));
  }
  