diff options
Diffstat (limited to 'libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.cpp')
| -rw-r--r-- | libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.cpp | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.cpp deleted file mode 100644 index 8495197a60..0000000000 --- a/libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.cpp +++ /dev/null @@ -1,236 +0,0 @@ -/*************************************************************************** - copyright : (C) 2002 - 2008 by Scott Wheeler - email : wheeler@kde.org - ***************************************************************************/ - -/*************************************************************************** - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * - * 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 <tdebug.h> -#include <tmap.h> - -#include "relativevolumeframe.h" - -using namespace TagLib; -using namespace ID3v2; - -static inline int bitsToBytes(int i) -{ - return i % 8 == 0 ? i / 8 : (i - i % 8) / 8 + 1; -} - -struct ChannelData -{ - ChannelData() : channelType(RelativeVolumeFrame::Other), volumeAdjustment(0) {} - - RelativeVolumeFrame::ChannelType channelType; - short volumeAdjustment; - RelativeVolumeFrame::PeakVolume peakVolume; -}; - -class RelativeVolumeFrame::RelativeVolumeFramePrivate -{ -public: - String identification; - Map<ChannelType, ChannelData> channels; -}; - -//////////////////////////////////////////////////////////////////////////////// -// public members -//////////////////////////////////////////////////////////////////////////////// - -RelativeVolumeFrame::RelativeVolumeFrame() : Frame("RVA2") -{ - d = new RelativeVolumeFramePrivate; -} - -RelativeVolumeFrame::RelativeVolumeFrame(const ByteVector &data) : Frame(data) -{ - d = new RelativeVolumeFramePrivate; - setData(data); -} - -RelativeVolumeFrame::~RelativeVolumeFrame() -{ - delete d; -} - -String RelativeVolumeFrame::toString() const -{ - return d->identification; -} - -List<RelativeVolumeFrame::ChannelType> RelativeVolumeFrame::channels() const -{ - List<ChannelType> l; - - Map<ChannelType, ChannelData>::ConstIterator it = d->channels.begin(); - for(; it != d->channels.end(); ++it) - l.append((*it).first); - - return l; -} - -// deprecated - -RelativeVolumeFrame::ChannelType RelativeVolumeFrame::channelType() const -{ - return MasterVolume; -} - -// deprecated - -void RelativeVolumeFrame::setChannelType(ChannelType) -{ - -} - -short RelativeVolumeFrame::volumeAdjustmentIndex(ChannelType type) const -{ - return d->channels.contains(type) ? d->channels[type].volumeAdjustment : 0; -} - -short RelativeVolumeFrame::volumeAdjustmentIndex() const -{ - return volumeAdjustmentIndex(MasterVolume); -} - -void RelativeVolumeFrame::setVolumeAdjustmentIndex(short index, ChannelType type) -{ - d->channels[type].volumeAdjustment = index; -} - -void RelativeVolumeFrame::setVolumeAdjustmentIndex(short index) -{ - setVolumeAdjustmentIndex(index, MasterVolume); -} - -float RelativeVolumeFrame::volumeAdjustment(ChannelType type) const -{ - return d->channels.contains(type) ? float(d->channels[type].volumeAdjustment) / float(512) : 0; -} - -float RelativeVolumeFrame::volumeAdjustment() const -{ - return volumeAdjustment(MasterVolume); -} - -void RelativeVolumeFrame::setVolumeAdjustment(float adjustment, ChannelType type) -{ - d->channels[type].volumeAdjustment = short(adjustment * float(512)); -} - -void RelativeVolumeFrame::setVolumeAdjustment(float adjustment) -{ - setVolumeAdjustment(adjustment, MasterVolume); -} - -RelativeVolumeFrame::PeakVolume RelativeVolumeFrame::peakVolume(ChannelType type) const -{ - return d->channels.contains(type) ? d->channels[type].peakVolume : PeakVolume(); -} - -RelativeVolumeFrame::PeakVolume RelativeVolumeFrame::peakVolume() const -{ - return peakVolume(MasterVolume); -} - -void RelativeVolumeFrame::setPeakVolume(const PeakVolume &peak, ChannelType type) -{ - d->channels[type].peakVolume = peak; -} - -void RelativeVolumeFrame::setPeakVolume(const PeakVolume &peak) -{ - setPeakVolume(peak, MasterVolume); -} - -String RelativeVolumeFrame::identification() const -{ - return d->identification; -} - -void RelativeVolumeFrame::setIdentification(const String &s) -{ - d->identification = s; -} - -//////////////////////////////////////////////////////////////////////////////// -// protected members -//////////////////////////////////////////////////////////////////////////////// - -void RelativeVolumeFrame::parseFields(const ByteVector &data) -{ - int pos = 0; - d->identification = readStringField(data, String::Latin1, &pos); - - // Each channel is at least 4 bytes. - - while(pos <= (int)data.size() - 4) { - - - ChannelType type = ChannelType(data[pos]); - pos += 1; - - ChannelData &channel = d->channels[type]; - - channel.volumeAdjustment = data.mid(pos, 2).toShort(); - pos += 2; - - channel.peakVolume.bitsRepresentingPeak = data[pos]; - pos += 1; - - int bytes = bitsToBytes(channel.peakVolume.bitsRepresentingPeak); - channel.peakVolume.peakVolume = data.mid(pos, bytes); - pos += bytes; - } -} - -ByteVector RelativeVolumeFrame::renderFields() const -{ - ByteVector data; - - data.append(d->identification.data(String::Latin1)); - data.append(textDelimiter(String::Latin1)); - - Map<ChannelType, ChannelData>::ConstIterator it = d->channels.begin(); - - for(; it != d->channels.end(); ++it) { - ChannelType type = (*it).first; - const ChannelData &channel = (*it).second; - - data.append(char(type)); - data.append(ByteVector::fromShort(channel.volumeAdjustment)); - data.append(char(channel.peakVolume.bitsRepresentingPeak)); - data.append(channel.peakVolume.peakVolume); - } - - return data; -} - -//////////////////////////////////////////////////////////////////////////////// -// private members -//////////////////////////////////////////////////////////////////////////////// - -RelativeVolumeFrame::RelativeVolumeFrame(const ByteVector &data, Header *h) : Frame(h) -{ - d = new RelativeVolumeFramePrivate; - parseFields(fieldData(data)); -} |