QMediaMetaData 名称空间

提供元数据属性标识符。 更多...

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

    详细描述

    注意: 并非所有平台都支持所有标识符。请翻阅供应商文档编制,了解不同平台的特定支持。

    公共属性
    描述 类型
    Title 媒体标题。 QString
    SubTitle 媒体子标题。 QString
    Author 媒体作者。 QStringList
    注释 关于媒体的用户评论。 QString
    描述 媒体的描述。 QString
    类别 媒体的类别。 QStringList
    Genre 媒体的流派。 QStringList
    Year 媒体的发行年份。 int
    Date 媒体的日期。 QDate .
    UserRating 媒体的用户评级。 int [0..100]
    关键词 描述媒体的关键词列表。 QStringList
    语言 媒体的语言,作为 ISO 639-2 代码。 QString
    Publisher 媒体的出版商。 QString
    Copyright 媒体的版权声明。 QString
    ParentalRating 媒体的亲代评级。 QString
    RatingOrganization 负责媒体亲代评级的组织。 QString
    媒体属性
    Size 媒体的大小 (以字节为单位)。 qint64
    MediaType 媒体的类型 (音频、视频、等)。 QString
    Duration 媒体的持续时间 (以毫秒为单位)。 qint64
    音频属性
    AudioBitRate 媒体音频流的比特率 (以位每秒为单位)。 int
    AudioCodec 媒体音频流的编解码器。 QString
    AverageLevel 媒体的平均音量级别。 int
    ChannelCount 媒体音频流的通道数。 int
    PeakValue 媒体音频流的峰值音量。 int
    SampleRate 媒体音频流的采样率 (以赫兹为单位)。 int
    音乐属性
    AlbumTitle 媒体所属的专辑标题。 QString
    AlbumArtist 媒体所属专辑的亲代艺术家。 QString
    ContributingArtist 媒体的贡献艺术家。 QStringList
    Composer 媒体的作曲家。 QStringList
    Conductor 媒体的指挥。 QString
    Lyrics 媒体的歌词。 QString
    Mood 媒体情绪。 QString
    TrackNumber 媒体轨道编号。 int
    TrackCount 包含媒体的专辑曲目数。 int
    CoverArtUrlSmall 小型封面艺术图像的 URL。 QUrl
    CoverArtUrlLarge 大型封面艺术图像的 URL。 QUrl
    CoverArtImage 嵌入的封面艺术图像。 QImage
    图像和视频属性
    Resolution 图像或视频的尺度。 QSize
    PixelAspectRatio 图像或视频的像素宽高比。 QSize
    取向 图像或视频的取向。 int (度)
    视频属性
    VideoFrameRate 媒体视频流的帧速率。 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 嵌入的海报图像。 QImage
    电影属性
    ChapterNumber The chapter number of the media. int
    Director The director of the media. QString
    LeadPerformer The lead performer in the media. QStringList
    Writer 媒体作者。 QStringList
    照片属性
    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
    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
    刷新 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 GPS 区域的名称。 QString
    ThumbnailImage 嵌入缩略图图像。 QImage