QMediaMetaData Namespace

Provides identifiers for meta-data attributes. More...

Header: #include <QMediaMetaData>
qmake: QT += multimedia

    Detailed Description

    Provides identifiers for meta-data attributes.

    Note: Not all identifiers are supported on all platforms. Please consult vendor documentation for specific support on different platforms.

    Common attributes
    Value Description Type
    Title The title of the media. QString
    SubTitle The sub-title of the media. QString
    Author The authors of the media. QStringList
    Comment A user comment about the media. QString
    Description A description of the media. QString
    Category The category of the media. QStringList
    Genre The genre of the media. QStringList
    Year The year of release of the media. int
    Date The date of the media. QDate.
    UserRating A user rating of the media. int [0..100]
    Keywords A list of keywords describing the media. QStringList
    Language The language of media, as an ISO 639-2 code. QString
    Publisher The publisher of the media. QString
    Copyright The media's copyright notice. QString
    ParentalRating The parental rating of the media. QString
    RatingOrganization The organization responsible for the parental rating of the media. QString
    Media attributes
    Size The size in bytes of the media. qint64
    MediaType The type of the media (audio, video, etc). QString
    Duration The duration in millseconds of the media. qint64
    Audio attributes
    AudioBitRate The bit rate of the media's audio stream in bits per second. int
    AudioCodec The codec of the media's audio stream. QString
    AverageLevel The average volume level of the media. int
    ChannelCount The number of channels in the media's audio stream. int
    PeakValue The peak volume of the media's audio stream. int
    SampleRate The sample rate of the media's audio stream in hertz. int
    Music attributes
    AlbumTitle The title of the album the media belongs to. QString
    AlbumArtist The principal artist of the album the media belongs to. QString
    ContributingArtist The artists contributing to the media. QStringList
    Composer The composer of the media. QStringList
    Conductor The conductor of the media. QString
    Lyrics The lyrics to the media. QString
    Mood The mood of the media. QString
    TrackNumber The track number of the media. int
    TrackCount The number of tracks on the album containing the media. int
    CoverArtUrlSmall The URL of a small cover art image. QUrl
    CoverArtUrlLarge The URL of a large cover art image. QUrl
    CoverArtImage An embedded cover art image. QImage
    Image and video attributes
    Resolution The dimensions of an image or video. QSize
    PixelAspectRatio The pixel aspect ratio of an image or video. QSize
    Video attributes
    VideoFrameRate The frame rate of the media's video stream. qreal
    VideoBitRate The bit rate of the media's video stream in bits per second. int
    VideoCodec The codec of the media's video stream. QString
    PosterUrl The URL of a poster image. QUrl
    PosterImage An embedded poster image. QImage
    Movie attributes
    ChapterNumber The chapter number of the media. int
    Director The director of the media. QString
    LeadPerformer The lead performer in the media. QStringList
    Writer The writer of the media. QStringList
    Photo attributes.
    CameraManufacturer The manufacturer of the camera used to capture the media. QString
    CameraModel The model of the camera used to capture the media. QString
    Event The event during which the media was captured. QString
    Subject The subject of the media. QString
    Orientation Orientation of image. int (degrees)
    ExposureTime Exposure time, given in seconds. qreal
    FNumber The F Number. int
    ExposureProgram The class of the program used by the camera to set exposure when the picture is taken. QString
    ISOSpeedRatings Indicates the ISO Speed and ISO Latitude of the camera or input device as specified in ISO 12232. qreal
    ExposureBiasValue The exposure bias. The unit is the APEX (Additive System of Photographic Exposure) setting. qreal
    DateTimeOriginal The date and time when the original image data was generated. QDateTime
    DateTimeDigitized The date and time when the image was stored as digital data. QDateTime
    SubjectDistance The distance to the subject, given in meters. qreal
    MeteringMode The metering mode. QCameraExposure::MeteringMode
    LightSource The kind of light source. QString
    Flash Status of flash when the image was shot. QCameraExposure::FlashMode
    FocalLength The actual focal length of the lens, in mm. qreal
    ExposureMode Indicates the exposure mode set when the image was shot. QCameraExposure::ExposureMode
    WhiteBalance Indicates the white balance mode set when the image was shot. QCameraImageProcessing::WhiteBalanceMode
    DigitalZoomRatio Indicates the digital zoom ratio when the image was shot. qreal
    FocalLengthIn35mmFilm Indicates the equivalent focal length assuming a 35mm film camera, in mm. qreal
    SceneCaptureType Indicates the type of scene that was shot. It can also be used to record the mode in which the image was shot. QString
    GainControl Indicates the degree of overall image gain adjustment. qreal
    Contrast Indicates the direction of contrast processing applied by the camera when the image was shot. qreal
    Saturation Indicates the direction of saturation processing applied by the camera when the image was shot. qreal
    Sharpness Indicates the direction of sharpness processing applied by the camera when the image was shot. qreal
    DeviceSettingDescription Exif tag, indicates information on the picture-taking conditions of a particular camera model. QString
    GPSLatitude Latitude value of the geographical position (decimal degrees). A positive latitude indicates the Northern Hemisphere, and a negative latitude indicates the Southern Hemisphere. double
    GPSLongitude Longitude value of the geographical position (decimal degrees). A positive longitude indicates the Eastern Hemisphere, and a negative longitude indicates the Western Hemisphere. double
    GPSAltitude The value of altitude in meters above sea level. double
    GPSTimeStamp Time stamp of GPS data. QDateTime
    GPSSatellites GPS satellites used for measurements. QString
    GPSStatus Status of GPS receiver at image creation time. QString
    GPSDOP Degree of precision for GPS data. qreal
    GPSSpeed Speed of GPS receiver movement in kilometers per hour. qreal
    GPSTrack Direction of GPS receiver movement. The range of values is [0.0, 360), with 0 direction pointing on either true or magnetic north, depending on GPSTrackRef. qreal
    GPSTrackRef Reference for movement direction. QChar. 'T' means true direction and 'M' is magnetic direction.
    GPSImgDirection Direction of image when captured. qreal The range of values is [0.0, 360).
    GPSImgDirectionRef Reference for image direction. QChar. 'T' means true direction and 'M' is magnetic direction.
    GPSMapDatum Geodetic survey data used by the GPS receiver. QString
    GPSProcessingMethod The name of the method used for location finding. QString
    GPSAreaInformation The name of the GPS area. QString
    ThumbnailImage An embedded thumbnail image. QImage

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