145 lines
4.6 KiB
C++
145 lines
4.6 KiB
C++
/***************************************************************************
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copyright : (C) 2014 by Urs Fleisch
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email : ufleisch@users.sourceforge.net
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***************************************************************************/
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/***************************************************************************
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* This library is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
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* 02110-1301 USA *
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* *
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* Alternatively, this file is available under the Mozilla Public *
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* License Version 1.1. You may obtain a copy of the License at *
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* http://www.mozilla.org/MPL/ *
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***************************************************************************/
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#include "eventtimingcodesframe.h"
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#include <tbytevectorlist.h>
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#include <id3v2tag.h>
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#include <tdebug.h>
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#include <tpropertymap.h>
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using namespace TagLib;
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using namespace ID3v2;
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class EventTimingCodesFrame::EventTimingCodesFramePrivate
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{
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public:
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EventTimingCodesFramePrivate() :
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timestampFormat(EventTimingCodesFrame::AbsoluteMilliseconds) {}
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EventTimingCodesFrame::TimestampFormat timestampFormat;
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EventTimingCodesFrame::SynchedEventList synchedEvents;
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};
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////////////////////////////////////////////////////////////////////////////////
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// public members
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////////////////////////////////////////////////////////////////////////////////
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EventTimingCodesFrame::EventTimingCodesFrame() :
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Frame("ETCO"),
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d(new EventTimingCodesFramePrivate())
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{
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}
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EventTimingCodesFrame::EventTimingCodesFrame(const ByteVector &data) :
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Frame(data),
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d(new EventTimingCodesFramePrivate())
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{
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setData(data);
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}
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EventTimingCodesFrame::~EventTimingCodesFrame()
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{
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delete d;
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}
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String EventTimingCodesFrame::toString() const
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{
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return String();
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}
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EventTimingCodesFrame::TimestampFormat
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EventTimingCodesFrame::timestampFormat() const
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{
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return d->timestampFormat;
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}
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EventTimingCodesFrame::SynchedEventList
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EventTimingCodesFrame::synchedEvents() const
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{
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return d->synchedEvents;
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}
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void EventTimingCodesFrame::setTimestampFormat(
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EventTimingCodesFrame::TimestampFormat f)
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{
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d->timestampFormat = f;
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}
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void EventTimingCodesFrame::setSynchedEvents(
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const EventTimingCodesFrame::SynchedEventList &e)
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{
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d->synchedEvents = e;
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}
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////////////////////////////////////////////////////////////////////////////////
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// protected members
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////////////////////////////////////////////////////////////////////////////////
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void EventTimingCodesFrame::parseFields(const ByteVector &data)
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{
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const int end = data.size();
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if(end < 1) {
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debug("An event timing codes frame must contain at least 1 byte.");
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return;
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}
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d->timestampFormat = TimestampFormat(data[0]);
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int pos = 1;
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d->synchedEvents.clear();
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while(pos + 4 < end) {
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EventType type = static_cast<EventType>(static_cast<unsigned char>(data[pos++]));
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unsigned int time = data.toUInt(pos, true);
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pos += 4;
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d->synchedEvents.append(SynchedEvent(time, type));
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}
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}
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ByteVector EventTimingCodesFrame::renderFields() const
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{
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ByteVector v;
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v.append(char(d->timestampFormat));
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for(SynchedEventList::ConstIterator it = d->synchedEvents.begin();
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it != d->synchedEvents.end();
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++it) {
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const SynchedEvent &entry = *it;
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v.append(char(entry.type));
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v.append(ByteVector::fromUInt(entry.time));
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}
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return v;
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}
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////////////////////////////////////////////////////////////////////////////////
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// private members
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////////////////////////////////////////////////////////////////////////////////
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EventTimingCodesFrame::EventTimingCodesFrame(const ByteVector &data, Header *h) :
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Frame(h),
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d(new EventTimingCodesFramePrivate())
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{
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parseFields(fieldData(data));
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}
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