C++ 類為多媒體內容提供瞭更多控製，相比 QML 替代。若應用程序服務於復雜用例，譬如解碼媒體文件、訪問視頻或音頻緩衝，請使用 C++ 替代。有關 C++ 類支持的復雜音頻、視頻及攝像頭用例的更多細節，參考 Multimedia 概述 .
| QAudio | 包含用於音頻類的枚舉 |
| QMediaMetaData | 提供元數據屬性標識符 |
| QMultimedia | 包含用於整個 Qt Multimedia 庫的雜項標識符 |
| QCamera::FrameRateRange | FrameRateRange 錶示最小和最大速率的幀速率範圍 |
| QAbstractAudioDeviceInfo | 用於音頻後端的基類 |
| QAbstractAudioInput | 訪問 QAudioInput 以訪問由插件提供的音頻設備 |
| QAbstractAudioOutput | 用於音頻後端的基類 |
| QAbstractPlanarVideoBuffer | 抽象平麵視頻數據 |
| QAbstractVideoBuffer | 抽象視頻數據 |
| QAbstractVideoFilter | 錶示應用於通過 VideoOutput 類型接收視頻幀的過濾器 |
| QAbstractVideoSurface | 視頻呈現錶麵的基類 |
| QAudioBuffer | 錶示具有特定格式和采樣率的一批音頻樣本 |
| QAudioDecoder | 允許解碼音頻 |
| QAudioDecoderControl | 訪問 QMediaService 音頻解碼功能 |
| QAudioDeviceInfo | 查詢音頻設備及其功能的接口 |
| QAudioEncoderSettings | 音頻編碼器設置集 |
| QAudioEncoderSettingsControl | 訪問履行音頻編碼媒體服務的設置 |
| QAudioFormat | 存儲音頻流參數信息 |
| QAudioInput | 從音頻輸入設備接收音頻數據的接口 |
| QAudioInputSelectorControl | Audio input selector media control |
| QAudioOutput | 把音頻數據發送到音頻輸齣設備的接口 |
| QAudioOutputSelectorControl | Audio output selector media control |
| QAudioProbe | 允許監視正播放 (或錄製) 音頻 |
| QAudioRecorder | 用於錄製音頻 |
| QAudioRoleControl | 控製媒體對象音頻角色 |
| QAudioSystemPlugin | 音頻插件抽象基 |
| QCamera | 係統攝像頭設備接口 |
| QCameraCaptureBufferFormatControl | Control for setting the capture buffer format |
| QCameraCaptureDestinationControl | Control for setting capture destination |
| QCameraControl | Abstract base class for classes that control still cameras or video cameras |
| QCameraExposure | 用於曝光相關攝像頭設置的接口 |
| QCameraExposureControl | 允許控製攝像頭曝光參數 |
| QCameraFeedbackControl | Allows controlling feedback (sounds etc) during camera operation |
| QCameraFlashControl | Allows controlling a camera's flash |
| QCameraFocus | 用於對焦和縮放相關攝像頭設置的接口 |
| QCameraFocusControl | Supplies control for focusing related camera parameters |
| QCameraFocusZone | 用於攝像頭自動對焦的區域信息 |
| QCameraImageCapture | 用於錄製媒體內容 |
| QCameraImageCaptureControl | Control interface for image capture services |
| QCameraImageProcessing | 用於圖像處理相關攝像頭設置的接口 |
| QCameraImageProcessingControl | Abstract class for controlling image processing parameters, like white balance, contrast, saturation, sharpening and denoising |
| QCameraInfo | 有關攝像頭設備的一般信息 |
| QCameraInfoControl | Camera info media control |
| QCameraLocksControl | Abstract base class for classes that control still cameras or video cameras |
| QCameraViewfinderSettings | 取景器設置集 |
| QCameraViewfinderSettingsControl | Abstract class for controlling camera viewfinder parameters |
| QCameraViewfinderSettingsControl2 | 訪問攝像頭媒體服務的取景器設置 |
| QCameraZoomControl | Supplies control for optical and digital camera zoom |
| QCustomAudioRoleControl | 控製媒體對象音頻角色 |
| QImageEncoderControl | Access to the settings of a media service that performs image encoding |
| QImageEncoderSettings | 圖像編碼器設置集 |
| QMediaAudioProbeControl | 允許控製媒體對象探測音頻數據 |
| QMediaAvailabilityControl | Supplies a control for reporting availability of a service |
| QMediaBindableInterface | 用於擴展媒體對象功能的對象基類 |
| QMediaContainerControl | Access to the output container format of a QMediaService |
| QMediaContent | Access to the resources relating to a media content |
| QMediaControl | Base interface for media service controls |
| QMediaGaplessPlaybackControl | Access to the gapless playback related control of a QMediaService |
| QMediaNetworkAccessControl | Allows the setting of the Network Access Point for media related activities |
| QMediaObject | 用於多媒體對象的公共基 |
| QMediaPlayer | 允許播放媒體源 |
| QMediaPlayerControl | Access to the media playing functionality of a QMediaService |
| QMediaPlaylist | 要播放的媒體內容列錶 |
| QMediaRecorder | 用於錄製媒體內容 |
| QMediaRecorderControl | 訪問 QMediaService 錄製功能 |
| QMediaResource | Description of a media resource |
| QMediaService | Common base class for media service implementations |
| QMediaServiceCameraInfoInterface | Interface provides camera-specific information about devices supported by a camera service plug-in |
| QMediaServiceDefaultDeviceInterface | Interface identifies the default device used by a media service plug-in |
| QMediaServiceFeaturesInterface | Interface identifies features supported by a media service plug-in |
| QMediaServiceProviderPlugin | Interface provides an interface for QMediaService plug-ins |
| QMediaServiceSupportedDevicesInterface | Interface identifies the devices supported by a media service plug-in |
| QMediaServiceSupportedFormatsInterface | Interface identifies if a media service plug-in supports a media format |
| QMediaStreamsControl | Media stream selection control |
| QMediaTimeInterval | 錶示時間間隔采用整數精度 |
| QMediaTimeRange | 錶示一組零個或多個不相交的時間間隔 |
| QMediaVideoProbeControl | Allows control over probing video frames in media objects |
| QMetaDataReaderControl | Read access to the meta-data of a QMediaService's media |
| QMetaDataWriterControl | Write access to the meta-data of a QMediaService's media |
| QRadioData | Interfaces to the RDS functionality of the system radio |
| QRadioDataControl | Access to the RDS functionality of the radio in the QMediaService |
| QRadioTuner | Interface to the systems analog radio device |
| QRadioTunerControl | Access to the radio tuning functionality of a QMediaService |
| QSound | 播放 .wav 聲音文件的方法 |
| QSoundEffect | 播放低延遲音效的辦法 |
| QVideoDeviceSelectorControl | Video device selector media control |
| QVideoEncoderSettings | 視頻編碼器設置集 |
| QVideoEncoderSettingsControl | Access to the settings of a media service that performs video encoding |
| QVideoFilterRunnable | 錶示擁有所有圖形 計算資源，履行實際過濾 (或計算) 的過濾器實現 |
| QVideoFrame | 錶示視頻數據幀 |
| QVideoProbe | 允許監視視頻幀播放或錄製 |
| QVideoRendererControl | 把視頻渲染到 QAbstractVideoSurface 的媒體控件 |
| QVideoSurfaceFormat | 指定視頻呈現錶麵的流格式 |
| QVideoWindowControl | 把視頻渲染到窗口的媒體控件 |
| QAudioBuffer::StereoFrame | 立體聲音頻幀的簡單包裹器 |
| QCameraViewfinder | 攝像頭取景器小部件 |
| QGraphicsVideoItem | 顯示 QMediaObject 産生視頻的圖形項 |
| QVideoWidget | 呈現媒體對象産生視頻的小部件 |
| QVideoWidgetControl | 實現視頻小部件的媒體控件 |
