Qt 6.x
The Qt SDK
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Static Public Member Functions | List of all members
QFFmpegMetaData Class Reference

#include <qffmpegmediametadata_p.h>

+ Inheritance diagram for QFFmpegMetaData:
+ Collaboration diagram for QFFmpegMetaData:

Static Public Member Functions

static void addEntry (QMediaMetaData &metaData, AVDictionaryEntry *entry)
 
static QMediaMetaData fromAVMetaData (const AVDictionary *tags)
 
static QByteArray value (const QMediaMetaData &metaData, QMediaMetaData::Key key)
 
static AVDictionary * toAVMetaData (const QMediaMetaData &metaData)
 
- Static Public Member Functions inherited from QMediaMetaData
static Q_INVOKABLE QString metaDataKeyToString (Key k)
 \qmlmethod string QtMultimedia::mediaMetaData::metaDataKeyToString(Key key) returns a string representation of key that can be used when presenting meta data to users.
 

Additional Inherited Members

- Public Types inherited from QMediaMetaData
enum  Key {
  Title , Author , Comment , Description ,
  Genre , Date , Language , Publisher ,
  Copyright , Url , Duration , MediaType ,
  FileFormat , AudioBitRate , AudioCodec , VideoBitRate ,
  VideoCodec , VideoFrameRate , AlbumTitle , AlbumArtist ,
  ContributingArtist , TrackNumber , Composer , LeadPerformer ,
  ThumbnailImage , CoverArtImage , Orientation , Resolution
}
 
- Public Member Functions inherited from QMediaMetaData
Q_INVOKABLE QVariant value (Key k) const
 \variable QMediaMetaData::NumMetaData
 
Q_INVOKABLE void insert (Key k, const QVariant &value)
 \qmlmethod void QtMultimedia::mediaMetaData::insert(Key k, variant value) Inserts a value into a Key: {k}.
 
Q_INVOKABLE void remove (Key k)
 \qmlmethod void QtMultimedia::mediaMetaData::remove(Key k) Removes meta data from a Key: {k}.
 
Q_INVOKABLE QList< Key > keys () const
 \qmlmethod list<Key> QtMultimedia::mediaMetaData::keys() Returns a list of MediaMetaData.Keys.
 
QVariant & operator[] (Key k)
 Returns data stored at the Key {k}.
 
Q_INVOKABLE void clear ()
 \qmlmethod void QtMultimedia::mediaMetaData::clear() Removes all data from the MediaMetaData object.
 
Q_INVOKABLE bool isEmpty () const
 \qmlmethod bool QtMultimedia::mediaMetaData::isEmpty() Returns true if the meta data contains no items: otherwise returns {false}.
 
Q_INVOKABLE QString stringValue (Key k) const
 \qmlmethod string QtMultimedia::mediaMetaData::stringValue(Key key) Returns the meta data for key key as a QString.
 
- Static Public Attributes inherited from QMediaMetaData
static constexpr int NumMetaData = Resolution + 1
 
- Static Protected Member Functions inherited from QMediaMetaData
static QMetaType keyType (Key key)
 Returns the meta type used to store data for Key key.
 
- Protected Attributes inherited from QMediaMetaData
QHash< Key, QVariant > data
 

Detailed Description

Definition at line 23 of file qffmpegmediametadata_p.h.

Member Function Documentation

◆ addEntry()

void QFFmpegMetaData::addEntry ( QMediaMetaData &  metaData,
AVDictionaryEntry *  entry 
)
static

Definition at line 72 of file qffmpegmediametadata.cpp.

References QLocale::codeToLanguage(), QListSpecialMethodsBase< T >::contains(), date, QMediaMetaData::Date, QUrl::fromEncoded(), QString::fromUtf8(), QVariant::fromValue(), QMetaType::id(), QMap< Key, T >::insert(), QLocale::ISO639Part2, Qt::ISODate, QMap< Key, T >::keys(), QMediaMetaData::keyType(), map, qCDebug, qstrcmp(), QString::split(), tag, tagToKey(), QByteArray::toDouble(), QByteArray::toInt(), and QByteArray::toLongLong().

Referenced by fromAVMetaData().

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◆ fromAVMetaData()

QMediaMetaData QFFmpegMetaData::fromAVMetaData ( const AVDictionary *  tags)
static

Definition at line 124 of file qffmpegmediametadata.cpp.

References addEntry().

Referenced by Q_LOGGING_CATEGORY().

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◆ toAVMetaData()

AVDictionary * QFFmpegMetaData::toAVMetaData ( const QMediaMetaData &  metaData)
static

Definition at line 161 of file qffmpegmediametadata.cpp.

References QMediaMetaData::keys(), and keyToTag().

Referenced by Q_LOGGING_CATEGORY().

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◆ value()

QByteArray QFFmpegMetaData::value ( const QMediaMetaData &  metaData,
QMediaMetaData::Key  key 
)
static

Definition at line 134 of file qffmpegmediametadata.cpp.

References QMetaType::id(), QLocale::ISO639Part2, Qt::ISODate, QMediaMetaData::keyType(), QLocale::languageToCode(), QByteArray::number(), QString::toUtf8(), and QMediaMetaData::value().

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The documentation for this class was generated from the following files: