Vec2f Slider::getSliderTrackSize(void) const
{
if(getOrientation() == VERTICAL_ORIENTATION)
{
return Vec2f(0, getTrackLength());
}
else
{
return Vec2f(getTrackLength(), 0);
}
}
void VectorTrack::getSpotOnTrack(double pos, double vertical, double& x, double& y, double &rot)
{
if (pos <= 0 || pos >= 1)
{
return;
}
unsigned int i;
//acquire the distance actually along the track
double soFar = pos*getTrackLength();
for (i = 0; i < pointList.size(); i++)
{
if (soFar <= getSpecificTrackLength(0, i))
{
//now recompute soFar to be where between the two points on a [0,1] scale
soFar = (soFar - getSpecificTrackLength(0, i-1))/getSpecificTrackLength(i-1, i);
break;
}
}
ParametricPoint a = pointList.at(i-1);
ParametricPoint b = pointList.at(i);
x = (1 - soFar)*(a.x) + soFar*(b.x);
y = (1 - soFar)*(a.y) + soFar*(b.y);
rot = (180.0/M_PI)*atan2(b.y - a.y, b.x - a.x);
x += vertical*cos((M_PI/180.0)*(rot + 90));
y += vertical*sin((M_PI/180.0)*(rot + 90));
}
/*!
* \copydoc MetaIO::read()
*/
Metadata* MetaIOFLACVorbis::read(QString filename)
{
TagLib::FLAC::File *flacfile = OpenFile(filename);
if (!flacfile)
return NULL;
TagLib::Ogg::XiphComment *tag = flacfile->xiphComment();
if (!tag)
{
delete flacfile;
return NULL;
}
Metadata *metadata = new Metadata(filename);
ReadGenericMetadata(tag, metadata);
bool compilation = false;
if (tag->contains("COMPILATION_ARTIST"))
{
QString compilation_artist = TStringToQString(
tag->fieldListMap()["COMPILATION_ARTIST"].toString()).trimmed();
if (compilation_artist != metadata->Artist())
{
metadata->setCompilationArtist(compilation_artist);
compilation = true;
}
}
if (!compilation && tag->contains("MUSICBRAINZ_ALBUMARTISTID"))
{
QString musicbrainzcode = TStringToQString(
tag->fieldListMap()["MUSICBRAINZ_ALBUMARTISTID"].toString()).trimmed();
if (musicbrainzcode == MYTH_MUSICBRAINZ_ALBUMARTIST_UUID)
compilation = true;
}
metadata->setCompilation(compilation);
if (metadata->Length() <= 0)
{
TagLib::FileRef *fileref = new TagLib::FileRef(flacfile);
metadata->setLength(getTrackLength(fileref));
// FileRef takes ownership of flacfile, and is responsible for it's
// deletion. Messy.
delete fileref;
}
else
delete flacfile;
return metadata;
}
void VectorTrack::computeCameraCoordinates(double pos, double& camX, double& camY, double& camZ, double& lookX, double& lookY, double& lookZ)
{
if (pos <= 0 || pos >= 1)
{
return;
}
unsigned int i;
//acquire the distance actually along the track
double soFar = pos*getTrackLength();
for (i = 0; i < pointList.size(); i++)
{
if (soFar <= getSpecificTrackLength(0, i))
{
//now recompute soFar to be where between the two points on a [0,1] scale
soFar = (soFar - getSpecificTrackLength(0, i-1))/getSpecificTrackLength(i-1, i);
break;
}
}
ParametricPoint a = pointList.at(i-1);
ParametricPoint b = pointList.at(i);
double x = (1 - soFar)*(a.x) + soFar*(b.x);
double y = (1 - soFar)*(a.y) + soFar*(b.y);
double aAngle = a.normalDirection;
double bAngle = b.normalDirection;
if (fabs(bAngle - aAngle) > 180.0)
{
if (bAngle > aAngle)
{
bAngle -= 360.0;
}
else
{
aAngle -= 360.0;
}
}
//compute the interpolated direction between a's and b's direction
double midAngle = (1 - soFar)*(aAngle) + soFar*(bAngle);
camX = x + 6*sin((M_PI/180.0)*(midAngle + 180));
camY = y + 6*cos((M_PI/180.0)*(midAngle + 180));
camZ = 5.0;
lookX = x - camX;
lookY = y - camY;
lookZ = -3.0;
}
/*!
* \copydoc MetaIO::read()
*/
Metadata* MetaIOOggVorbis::read(const QString &filename)
{
TagLib::Ogg::Vorbis::File *oggfile = OpenFile(filename);
if (!oggfile)
return NULL;
TagLib::Ogg::XiphComment *tag = oggfile->tag();
if (!tag)
{
delete oggfile;
return NULL;
}
Metadata *metadata = new Metadata(filename);
ReadGenericMetadata(tag, metadata);
bool compilation = false;
if (tag->contains("COMPILATION_ARTIST"))
{
QString compilation_artist = TStringToQString(
tag->fieldListMap()["COMPILATION_ARTIST"].toString()).trimmed();
if (compilation_artist != metadata->Artist())
{
metadata->setCompilationArtist(compilation_artist);
compilation = true;
}
}
if (!compilation && tag->contains("MUSICBRAINZ_ALBUMARTISTID"))
{
QString musicbrainzcode = TStringToQString(
tag->fieldListMap()["MUSICBRAINZ_ALBUMARTISTID"].toString()).trimmed();
if (musicbrainzcode == MYTH_MUSICBRAINZ_ALBUMARTIST_UUID)
compilation = true;
}
metadata->setCompilation(compilation);
if (metadata->Length() <= 0)
metadata->setLength(getTrackLength(oggfile));
else
delete oggfile;
return metadata;
}
MusicMetadata* MetaIO::readFromFilename(const QString &filename, bool blnLength)
{
QString artist, album, title, genre;
int tracknum = 0, length = 0;
readFromFilename(filename, artist, album, title, genre, tracknum);
if (blnLength)
length = getTrackLength(filename);
MusicMetadata *retdata = new MusicMetadata(filename, artist, "", album,
title, genre, 0, tracknum, length);
return retdata;
}
/*!
* \copydoc MetaIO::read()
*/
Metadata* MetaIOAVFComment::read(QString filename)
{
QString artist, compilation_artist, album, title, genre;
int year = 0, tracknum = 0, length = 0;
AVFormatContext* p_context = NULL;
AVFormatParameters* p_params = NULL;
AVInputFormat* p_inputformat = NULL;
QByteArray local8bit = filename.toLocal8Bit();
if ((av_open_input_file(&p_context, local8bit.constData(),
p_inputformat, 0, p_params) < 0))
{
return NULL;
}
if (av_find_stream_info(p_context) < 0)
return NULL;
title += (char *)p_context->title;
if (title.isEmpty())
{
readFromFilename(filename, artist, album, title, genre, tracknum);
}
else
{
artist += (char *)p_context->author;
// compilation_artist???
album += (char *)p_context->album;
genre += (char *)p_context->genre;
year = p_context->year;
tracknum = p_context->track;
}
length = getTrackLength(p_context);
Metadata *retdata = new Metadata(filename, artist, compilation_artist, album,
title, genre, year, tracknum, length);
retdata->determineIfCompilation();
av_close_input_file(p_context);
return retdata;
}
/**
* Begin playback of a specifc audio track, possibly looped.
*/
int DM_CDAudio_Play(int track, int looped)
{
int len;
if(!cdInited)
return false;
// Get the length of the track.
cdTrackLength = len = getTrackLength(track);
if(!len)
return false; // Hmm?!
// Play it!
if(!sendMCICmd(0, 0, "play " DEVICEID " from %i to %i", track,
MCI_MAKE_TMSF(track, 0, len, 0)))
return false;
// Success!
cdLooping = (looped? true:false);
cdStartTime = Timer_Seconds();
return cdCurrentTrack = track;
}
/*!
* \brief Find the length of the track (in seconds)
*
* \param filename The filename for which we want to find the length.
* \returns An integer (signed!) to represent the length in seconds.
*/
int MetaIOMP4::getTrackLength(const QString &filename)
{
AVFormatContext* p_context = NULL;
AVInputFormat* p_inputformat = NULL;
// Open the specified file and populate the metadata info
QByteArray local8bit = filename.toLocal8Bit();
if ((avformat_open_input(&p_context, local8bit.constData(),
p_inputformat, NULL) < 0))
{
return 0;
}
if (avformat_find_stream_info(p_context, NULL) < 0)
return 0;
int rv = getTrackLength(p_context);
avformat_close_input(&p_context);
return rv;
}
/*!
* \brief Find the length of the track (in seconds)
*
* \param filename The filename for which we want to find the length.
* \returns An integer (signed!) to represent the length in seconds.
*/
int MetaIOAVFComment::getTrackLength(QString filename)
{
AVFormatContext* p_context = NULL;
AVFormatParameters* p_params = NULL;
AVInputFormat* p_inputformat = NULL;
// Open the specified file and populate the metadata info
QByteArray local8bit = filename.toLocal8Bit();
if ((av_open_input_file(&p_context, local8bit.constData(),
p_inputformat, 0, p_params) < 0))
{
return 0;
}
if (av_find_stream_info(p_context) < 0)
return 0;
int rv = getTrackLength(p_context);
av_close_input_file(p_context);
return rv;
}
/*!
* \copydoc MetaIO::read()
*/
Metadata *MetaIOID3::read(QString filename)
{
TagLib::MPEG::File *mpegfile = OpenFile(filename);
if (!mpegfile)
return NULL;
TagLib::ID3v2::Tag *tag = mpegfile->ID3v2Tag();
if (!tag)
{
delete mpegfile;
return NULL;
}
// if there is no ID3v2 tag, try to read the ID3v1 tag and copy it to the ID3v2 tag structure
if (tag->isEmpty())
{
TagLib::ID3v1::Tag *tag_v1 = mpegfile->ID3v1Tag();
if (!tag_v1)
{
delete mpegfile;
return NULL;
}
if (!tag_v1->isEmpty())
{
tag->setTitle(tag_v1->title());
tag->setArtist(tag_v1->artist());
tag->setAlbum(tag_v1->album());
tag->setTrack(tag_v1->track());
tag->setYear(tag_v1->year());
tag->setGenre(tag_v1->genre());
}
}
Metadata *metadata = new Metadata(filename);
ReadGenericMetadata(tag, metadata);
bool compilation = false;
// Compilation Artist (TPE4 Remix) or fallback to (TPE2 Band)
// N.B. The existance of a either frame is NOT an indication that this
// is a compilation, but if it is then one of them will probably hold
// the compilation artist.
TextIdentificationFrame *tpeframe = NULL;
TagLib::ID3v2::FrameList tpelist = tag->frameListMap()["TPE4"];
if (tpelist.isEmpty() || tpelist.front()->toString().isEmpty())
tpelist = tag->frameListMap()["TPE2"];
if (!tpelist.isEmpty())
tpeframe = (TextIdentificationFrame *)tpelist.front();
if (tpeframe && !tpeframe->toString().isEmpty())
{
QString compilation_artist = TStringToQString(tpeframe->toString())
.trimmed();
metadata->setCompilationArtist(compilation_artist);
}
// MythTV rating and playcount, stored in POPM frame
PopularimeterFrame *popm = findPOPM(tag, email);
if (!popm)
{
if (!tag->frameListMap()["POPM"].isEmpty())
popm = dynamic_cast<PopularimeterFrame *>
(tag->frameListMap()["POPM"].front());
}
if (popm)
{
int rating = popm->rating();
rating = static_cast<int>(((static_cast<float>(rating)/255.0)
* 10.0) + 0.5);
metadata->setRating(rating);
metadata->setPlaycount(popm->counter());
}
// Look for MusicBrainz Album+Artist ID in TXXX Frame
UserTextIdentificationFrame *musicbrainz = find(tag,
"MusicBrainz Album Artist Id");
if (musicbrainz)
{
// If the MusicBrainz ID is the special "Various Artists" ID
// then compilation is TRUE
if (!compilation && !musicbrainz->fieldList().isEmpty())
compilation = (MYTH_MUSICBRAINZ_ALBUMARTIST_UUID
== TStringToQString(musicbrainz->fieldList().front()));
}
// TLEN - Ignored intentionally, some encoders write bad values
// e.g. Lame under certain circumstances will always write a length of
// 27 hours
metadata->setCompilation(compilation);
TagLib::FileRef *fileref = new TagLib::FileRef(mpegfile);
metadata->setLength(getTrackLength(fileref));
// FileRef takes ownership of mpegfile, and is responsible for it's
// deletion. Messy.
delete fileref;
return metadata;
}
Int32 Slider::getTrackMax(void) const
{
return getTrackMin() + getTrackLength();
}
void Slider::updateLayout(void)
{
UInt16 MajorAxis, MinorAxis;
if(getOrientation() == VERTICAL_ORIENTATION)
{
MajorAxis = 1;
}
else
{
MajorAxis = 0;
}
MinorAxis = (MajorAxis+1)%2;
updateSliderTrack();
//Update the Track
if(getDrawTrack() && getTrackDrawObject() != NULL)
{
Pnt2f BorderTopLeft, BorderBottomRight;
getInsideInsetsBounds(BorderTopLeft, BorderBottomRight);
Vec2f Size(getTrackDrawObject()->getPreferredSize());
Pnt2f AlignedPosition;
Size[MajorAxis] = getTrackLength();
if(getOrientation() == VERTICAL_ORIENTATION)
{
AlignedPosition = calculateAlignment(BorderTopLeft, (BorderBottomRight-BorderTopLeft), Size, 0.5, getAlignment());
}
else
{
AlignedPosition = calculateAlignment(BorderTopLeft, (BorderBottomRight-BorderTopLeft), Size, getAlignment(), 0.5);
}
getTrackDrawObject()->setPosition(AlignedPosition);
getTrackDrawObject()->setSize(Size);
}
//Update the MinorTickMarks
if(getDrawMinorTicks() && getRangeModel() != NULL)
{
Pnt2f MinorTickTopLeft, MinorTickBottomRight;
getDrawObjectBounds(*editMFMinorTickDrawObjects(), MinorTickTopLeft, MinorTickBottomRight);
Vec2f Alignment;
Real32 MaxLength(0.0);
for(UInt32 i(0) ; i<getMFMinorTickDrawObjects()->size() ; ++i)
{
Pnt2f DrawObjectTopLeft, DrawObjectBottomRight;
getMinorTickDrawObjects(i)->getBounds(DrawObjectTopLeft, DrawObjectBottomRight);
MaxLength = osgMax(MaxLength, DrawObjectBottomRight.x()-DrawObjectTopLeft.x());
}
editMFMinorTickPositions()->clear();
for(UInt32 i(0) ; i< osgAbs<Int32>(getMaximum() - getMinimum())/getMinorTickSpacing() ; ++i)
{
if( (i * getMinorTickSpacing())%getMajorTickSpacing() != 0 )
{
Alignment[MajorAxis] = static_cast<Real32>(i * getMinorTickSpacing())/static_cast<Real32>(getMaximum() - getMinimum());
editMFMinorTickPositions()->push_back(
calculateSliderAlignment(getSliderTrackTopLeft(), getSliderTrackSize(), (MinorTickBottomRight - MinorTickTopLeft), Alignment.y(), Alignment.x()));
if(getTicksOnRightBottom())
{
editMFMinorTickPositions()->back()[MinorAxis] = getTrackDrawObject()->getPosition()[MinorAxis] + getTrackDrawObject()->getSize()[MinorAxis] + getTrackToTickOffset();
}
else
{
editMFMinorTickPositions()->back()[MinorAxis] = getTrackDrawObject()->getPosition()[MinorAxis] - getTrackToTickOffset() - MaxLength;
}
}
}
}
//Update the MajorTickMarks
if(getDrawMajorTicks() && getRangeModel() != NULL)
{
Pnt2f MajorTickTopLeft, MajorTickBottomRight;
getDrawObjectBounds(*editMFMajorTickDrawObjects(), MajorTickTopLeft, MajorTickBottomRight);
Vec2f Alignment;
Real32 MaxLength(0.0);
for(UInt32 i(0) ; i<getMFMajorTickDrawObjects()->size() ; ++i)
{
Pnt2f DrawObjectTopLeft, DrawObjectBottomRight;
getMajorTickDrawObjects(i)->getBounds(DrawObjectTopLeft, DrawObjectBottomRight);
MaxLength = osgMax(MaxLength, DrawObjectBottomRight.x()-DrawObjectTopLeft.x());
}
editMFMajorTickPositions()->clear();
for(UInt32 i(0) ; i<= osgAbs<Int32>(getMaximum() - getMinimum())/getMajorTickSpacing() ; ++i)
{
Alignment[MajorAxis] = static_cast<Real32>(i * getMajorTickSpacing())/static_cast<Real32>(getMaximum() - getMinimum());
editMFMajorTickPositions()->push_back(
calculateSliderAlignment(getSliderTrackTopLeft(), getSliderTrackSize(), (MajorTickBottomRight - MajorTickTopLeft), Alignment.y(), Alignment.x()));
if(getTicksOnRightBottom())
{
editMFMajorTickPositions()->back()[MinorAxis] = getTrackDrawObject()->getPosition()[MinorAxis] + getTrackDrawObject()->getSize()[MinorAxis] + getTrackToTickOffset();
}
else
{
editMFMajorTickPositions()->back()[MinorAxis] = getTrackDrawObject()->getPosition()[MinorAxis] - getTrackToTickOffset() - MaxLength;
}
}
}
//Update the Labels
if(getDrawLabels() && getRangeModel() != NULL)
{
Vec2f Alignment;
Pnt2f Pos;
FieldContainerMap::const_iterator Itor;
for(Itor = getLabelMap().begin() ; Itor != getLabelMap().end() ; ++Itor)
{
Alignment[MajorAxis] = static_cast<Real32>((*Itor).first - getMinimum())/static_cast<Real32>(getMaximum() - getMinimum());
Pos = calculateSliderAlignment(getSliderTrackTopLeft(), getSliderTrackSize(), dynamic_pointer_cast<Component>((*Itor).second)->getPreferredSize(), Alignment.y(), Alignment.x());
if(getTicksOnRightBottom())
{
Pos[MinorAxis] = getTrackDrawObject()->getPosition()[MinorAxis] + getTrackDrawObject()->getSize()[MinorAxis] + getTrackToLabelOffset();
}
else
{
Pos[MinorAxis] = getTrackDrawObject()->getPosition()[MinorAxis] - getTrackToLabelOffset() - dynamic_pointer_cast<Component>((*Itor).second)->getPreferredSize()[MinorAxis];
}
dynamic_pointer_cast<Component>((*Itor).second)->setPosition(Pos);
dynamic_pointer_cast<Component>((*Itor).second)->setSize(dynamic_pointer_cast<Component>((*Itor).second)->getPreferredSize());
}
}
}
void Track::writeData( QByteArray& data) const {
QBuffer buffer( data);
buffer.open(IO_WriteOnly);
QDataStream stream( &buffer);
stream.setByteOrder( QDataStream::LittleEndian);
/** Write the track header **/
stream << (Q_UINT32) 0x7469686D; // 0x00 mhit
stream << (Q_UINT32) 0xf4; // 0x04 headerlen
stream << (Q_UINT32) 0x0; // 0x08 length - set later
stream << (Q_UINT32) 0x0; // 0x0C number of mhods
stream << (Q_UINT32) getID(); // 0x10
stream << (Q_UINT32) 1; // 0x14
//stream << (Q_UINT32) 0; // 0x18
stream << (Q_UINT32) 0x4d503320; // ipod shiffle wants a "MP3 " here
stream << vbr; // 0x1C
stream << type; // 0x1D
stream << compilation; // 0x1E
stream << rating; // 0x1F
stream << (Q_UINT32) getLastModified()+ MAC_EPOCH_DELTA; // 0x20
stream << (Q_UINT32) getFileSize(); // 0x24
stream << (Q_UINT32) getTrackLength(); // 0x28
stream << (Q_UINT32) getTrackNumber(); // 0x2C
stream << (Q_UINT32) getTrackCount(); // 0x30
stream << (Q_UINT32) getYear(); // 0x34
stream << (Q_UINT32) getBitrate(); // 0x38
stream << (Q_UINT32) getSamplerate(); // 0x3C
stream << (Q_UINT32) getVolumeAdjust(); // 0x40
stream << (Q_UINT32) 0; // 0x44 empty space
//stream << (Q_UINT32) getTrackLength(); // 0x48 empty space
stream << (Q_UINT32) 0; // 0x48 empty space
stream << (Q_UINT32) 0; // 0x4C empty space
stream << (Q_UINT32) getPlayCount(); // 0x50
stream << (Q_UINT32) getPlayCount(); // 0x54
stream << (Q_UINT32) getLastPlayed(); // 0x58
stream << (Q_UINT32) getCdNumber(); // 0x5C
stream << (Q_UINT32) getCdCount(); // 0x60
stream << (Q_UINT32) 0; // 0x64 empty space //userid from apple store
stream << (Q_UINT32) date_added; // 0x68
stream << (Q_UINT32) 0; // boockmarktime
stream << (Q_UINT64) dbid; // unique bit (64 bit)
stream << (Q_UINT8) 0; // checked in iTZnes
stream << (Q_UINT8) 0; // application rating
stream << (Q_UINT16) 0; // BPM
stream << (Q_UINT16) 0; // artworkcount
stream << (Q_UINT16) 0xffff; // unkown
stream << (Q_UINT32) 0; // artwork size
stream << (Q_UINT32) 0; // unkown
stream << (float) -getSamplerate(); // samplerate as floating point "-"?!?
stream << (Q_UINT32) 0; // date/time added
stream << (Q_UINT32) file_format_code; // unkown, but 0x0000000c for MP3 ?
stream << (Q_UINT32) 0; // unkown
stream << (Q_UINT32) 0; // unkown
stream << (Q_UINT32) 0; // unkown
stream << (Q_UINT32) 0; // unkown
stream << (Q_UINT32) 0x02; // unknown
stream << (Q_UINT64) dbid; // same unique id as above
for( int i= 0; i< 17; i++)
stream << (Q_UINT32) 0;
/** Write Track contents **/
Q_UINT32 num_mhods = 0;
for( PropertyMap::const_iterator element= properties.begin(); element!= properties.end(); ++element) {
if( (*element).isEmpty())
continue;
const char *data= (const char *)(*element).ucs2();
if( data == NULL)
continue;
int datalen= 2* (*element).length();
stream << (Q_UINT32) 0x646F686D; // mhod
stream << (Q_UINT32) 0x18; // headerlen
stream << (Q_UINT32) 40+ datalen;
stream << (Q_UINT32) element.key();
stream << (Q_UINT32) 0;
stream << (Q_UINT32) 0;
stream << (Q_UINT32) 1; // dummy - would refer to the trackID if used in playlist
stream << (Q_UINT32) datalen;
stream << (Q_UINT32) 0;
stream << (Q_UINT32) 0;
stream.writeRawBytes( data, datalen);
num_mhods++;
}
buffer.at( 8);
stream << (Q_UINT32)data.size(); // set content length
stream << (Q_UINT32)num_mhods; // set real mhod count
buffer.close();
}
/*!
* \copydoc MetaIO::read()
*/
MusicMetadata *MetaIOID3::read(const QString &filename)
{
if (!OpenFile(filename))
return nullptr;
TagLib::ID3v2::Tag *tag = GetID3v2Tag(true); // Create tag if none are found
// if there is no ID3v2 tag, try to read the ID3v1 tag and copy it to
// the ID3v2 tag structure
if (tag->isEmpty())
{
TagLib::ID3v1::Tag *tag_v1 = GetID3v1Tag();
if (!tag_v1)
return nullptr;
if (!tag_v1->isEmpty())
{
tag->setTitle(tag_v1->title());
tag->setArtist(tag_v1->artist());
tag->setAlbum(tag_v1->album());
tag->setTrack(tag_v1->track());
tag->setYear(tag_v1->year());
tag->setGenre(tag_v1->genre());
}
}
MusicMetadata *metadata = new MusicMetadata(filename);
ReadGenericMetadata(tag, metadata);
bool compilation = false;
// Compilation Artist (TPE4 Remix) or fallback to (TPE2 Band)
// N.B. The existance of a either frame is NOT an indication that this
// is a compilation, but if it is then one of them will probably hold
// the compilation artist.
TextIdentificationFrame *tpeframe = nullptr;
TagLib::ID3v2::FrameList tpelist = tag->frameListMap()["TPE4"];
if (tpelist.isEmpty() || tpelist.front()->toString().isEmpty())
tpelist = tag->frameListMap()["TPE2"];
if (!tpelist.isEmpty())
tpeframe = (TextIdentificationFrame *)tpelist.front();
if (tpeframe && !tpeframe->toString().isEmpty())
{
QString compilation_artist = TStringToQString(tpeframe->toString())
.trimmed();
metadata->setCompilationArtist(compilation_artist);
}
// Rating and playcount, stored in POPM frame
PopularimeterFrame *popm = findPOPM(tag, ""); // Global (all apps) tag
// If no 'global' tag exists, look for the MythTV specific one
if (!popm)
{
popm = findPOPM(tag, email);
}
// Fallback to using any POPM tag we can find
if (!popm)
{
if (!tag->frameListMap()["POPM"].isEmpty())
popm = dynamic_cast<PopularimeterFrame *>
(tag->frameListMap()["POPM"].front());
}
if (popm)
{
int rating = popm->rating();
rating = lroundf(static_cast<float>(rating) / 255.0f * 10.0f);
metadata->setRating(rating);
metadata->setPlaycount(popm->counter());
}
// Look for MusicBrainz Album+Artist ID in TXXX Frame
UserTextIdentificationFrame *musicbrainz = find(tag,
"MusicBrainz Album Artist Id");
if (musicbrainz)
{
// If the MusicBrainz ID is the special "Various Artists" ID
// then compilation is TRUE
if (!compilation && !musicbrainz->fieldList().isEmpty())
{
TagLib::StringList l = musicbrainz->fieldList();
for (TagLib::StringList::ConstIterator it = l.begin(); it != l.end(); it++)
{
QString ID = TStringToQString((*it));
if (ID == MYTH_MUSICBRAINZ_ALBUMARTIST_UUID)
{
compilation = true;
break;
}
}
}
}
// TLEN - Ignored intentionally, some encoders write bad values
// e.g. Lame under certain circumstances will always write a length of
// 27 hours
// Length
if (!tag->frameListMap()["TLEN"].isEmpty())
{
int length = tag->frameListMap()["TLEN"].front()->toString().toInt();
LOG(VB_FILE, LOG_DEBUG,
QString("MetaIOID3::read: Length for '%1' from tag is '%2'\n").arg(filename).arg(length));
}
metadata->setCompilation(compilation);
metadata->setLength(getTrackLength(m_file));
// The number of tracks on the album, if supplied
if (!tag->frameListMap()["TRCK"].isEmpty())
{
QString trackFrame = TStringToQString(
tag->frameListMap()["TRCK"].front()->toString())
.trimmed();
int trackCount = trackFrame.section('/', -1).toInt();
if (trackCount > 0)
metadata->setTrackCount(trackCount);
}
LOG(VB_FILE, LOG_DEBUG,
QString("MetaIOID3::read: Length for '%1' from properties is '%2'\n").arg(filename).arg(metadata->Length()));
// Look for MythTVLastPlayed in TXXX Frame
UserTextIdentificationFrame *lastplayed = find(tag, "MythTVLastPlayed");
if (lastplayed)
{
QString lastPlayStr = TStringToQString(lastplayed->toString());
metadata->setLastPlay(QDateTime::fromString(lastPlayStr, Qt::ISODate));
}
// Part of a set
if (!tag->frameListMap()["TPOS"].isEmpty())
{
QString pos = TStringToQString(
tag->frameListMap()["TPOS"].front()->toString()).trimmed();
int discNumber = pos.section('/', 0, 0).toInt();
int discCount = pos.section('/', -1).toInt();
if (discNumber > 0)
metadata->setDiscNumber(discNumber);
if (discCount > 0)
metadata->setDiscCount(discCount);
}
return metadata;
}
/*!
* \copydoc MetaIO::read()
*/
Metadata *MetaIOID3::read(const QString &filename)
{
if (!OpenFile(filename))
return NULL;
TagLib::ID3v2::Tag *tag = GetID3v2Tag(true); // Create tag if none are found
// if there is no ID3v2 tag, try to read the ID3v1 tag and copy it to
// the ID3v2 tag structure
if (tag->isEmpty())
{
TagLib::ID3v1::Tag *tag_v1 = GetID3v1Tag();
if (!tag_v1)
return NULL;
if (!tag_v1->isEmpty())
{
tag->setTitle(tag_v1->title());
tag->setArtist(tag_v1->artist());
tag->setAlbum(tag_v1->album());
tag->setTrack(tag_v1->track());
tag->setYear(tag_v1->year());
tag->setGenre(tag_v1->genre());
}
}
Metadata *metadata = new Metadata(filename);
ReadGenericMetadata(tag, metadata);
bool compilation = false;
// Compilation Artist (TPE4 Remix) or fallback to (TPE2 Band)
// N.B. The existance of a either frame is NOT an indication that this
// is a compilation, but if it is then one of them will probably hold
// the compilation artist.
TextIdentificationFrame *tpeframe = NULL;
TagLib::ID3v2::FrameList tpelist = tag->frameListMap()["TPE4"];
if (tpelist.isEmpty() || tpelist.front()->toString().isEmpty())
tpelist = tag->frameListMap()["TPE2"];
if (!tpelist.isEmpty())
tpeframe = (TextIdentificationFrame *)tpelist.front();
if (tpeframe && !tpeframe->toString().isEmpty())
{
QString compilation_artist = TStringToQString(tpeframe->toString())
.trimmed();
metadata->setCompilationArtist(compilation_artist);
}
// MythTV rating and playcount, stored in POPM frame
PopularimeterFrame *popm = findPOPM(tag, email);
if (!popm)
{
if (!tag->frameListMap()["POPM"].isEmpty())
popm = dynamic_cast<PopularimeterFrame *>
(tag->frameListMap()["POPM"].front());
}
if (popm)
{
int rating = popm->rating();
rating = static_cast<int>(((static_cast<float>(rating)/255.0)
* 10.0) + 0.5);
metadata->setRating(rating);
metadata->setPlaycount(popm->counter());
}
// Look for MusicBrainz Album+Artist ID in TXXX Frame
UserTextIdentificationFrame *musicbrainz = find(tag,
"MusicBrainz Album Artist Id");
if (musicbrainz)
{
// If the MusicBrainz ID is the special "Various Artists" ID
// then compilation is TRUE
if (!compilation && !musicbrainz->fieldList().isEmpty())
compilation = (MYTH_MUSICBRAINZ_ALBUMARTIST_UUID
== TStringToQString(musicbrainz->fieldList().front()));
}
// TLEN - Ignored intentionally, some encoders write bad values
// e.g. Lame under certain circumstances will always write a length of
// 27 hours
// Length
if (!tag->frameListMap()["TLEN"].isEmpty())
{
int length = tag->frameListMap()["TLEN"].front()->toString().toInt();
LOG(VB_FILE, LOG_DEBUG,
QString("MetaIOID3::read: Length for '%1' from tag is '%2'\n").arg(filename).arg(length));
}
metadata->setCompilation(compilation);
metadata->setLength(getTrackLength(m_file));
// The number of tracks on the album, if supplied
if (!tag->frameListMap()["TRCK"].isEmpty())
{
QString trackFrame = TStringToQString(
tag->frameListMap()["TRCK"].front()->toString())
.trimmed();
int trackCount = trackFrame.section('/', -1).toInt();
if (trackCount > 0)
metadata->setTrackCount(trackCount);
}
LOG(VB_FILE, LOG_DEBUG,
QString("MetaIOID3::read: Length for '%1' from properties is '%2'\n").arg(filename).arg(metadata->Length()));
return metadata;
}
/*!
* \copydoc MetaIO::read()
*/
Metadata* MetaIOMP4::read(const QString &filename)
{
QString title, artist, album, genre;
int year = 0, tracknum = 0, length = 0;
bool compilation = false;
AVFormatContext* p_context = NULL;
AVInputFormat* p_inputformat = NULL;
QByteArray local8bit = filename.toLocal8Bit();
if ((avformat_open_input(&p_context, local8bit.constData(),
p_inputformat, NULL) < 0))
{
return NULL;
}
if (avformat_find_stream_info(p_context, NULL) < 0)
return NULL;
#if 0
//### Debugging, enable to dump a list of all field names/values found
AVDictionaryEntry *tag = av_dict_get(p_context->metadata, "\0", NULL,
AV_METADATA_IGNORE_SUFFIX);
while (tag != NULL)
{
LOG(VB_GENERAL, LOG_DEBUG, QString("Tag: %1 Value: %2")
.arg(tag->key) .arg(QString::fromUtf8(tag->value)));
tag = av_dict_get(p_context->metadata, "\0", tag,
AV_METADATA_IGNORE_SUFFIX);
}
//####
#endif
title = getFieldValue(p_context, "title");
if (title.isEmpty())
{
readFromFilename(filename, artist, album, title, genre, tracknum);
}
else
{
title = getFieldValue(p_context, "title");
artist = getFieldValue(p_context, "author");
// Author is the correct fieldname, but
// we've been saving to artist for years
if (artist.isEmpty())
artist = getFieldValue(p_context, "artist");
album = getFieldValue(p_context, "album");
year = getFieldValue(p_context, "year").toInt();
genre = getFieldValue(p_context, "genre");
tracknum = getFieldValue(p_context, "track").toInt();
compilation = getFieldValue(p_context, "").toInt();
length = getTrackLength(p_context);
}
metadataSanityCheck(&artist, &album, &title, &genre);
Metadata *retdata = new Metadata(filename,
artist,
compilation ? artist : "",
album,
title,
genre,
year,
tracknum,
length);
retdata->setCompilation(compilation);
avformat_close_input(&p_context);
return retdata;
}
