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 |
| QAudioBuffer | 錶示具有特定格式和采樣率的一批音頻樣本 |
| QAudioDecoder | Implements decoding audio |
| QAudioDevice | Information about audio devices and their functionality |
| QAudioFormat | 存儲音頻流參數信息 |
| QAudioInput | Represents an input channel for audio |
| QAudioOutput | Represents an output channel for audio |
| QAudioSink | 把音頻數據發送到音頻輸齣設備的接口 |
| QAudioSource | 從音頻輸入設備接收音頻數據的接口 |
| QCamera | 係統攝像頭設備接口 |
| QCameraDevice | 有關攝像頭設備的一般信息 |
| QCameraFormat | Describes a video format supported by a camera device |
| QImageCapture | 用於錄製媒體內容 |
| QMediaCaptureSession | Allows capturing of audio and video content |
| QMediaDevices | Information about available multimedia input and output devices |
| QMediaFormat | Describes an encoding format for a multimedia file or stream |
| QMediaMetaData | Provides meta-data for media files |
| QMediaPlayer | Allows the playing of a media files |
| QMediaRecorder | Used for encoding and recording a capture session |
| QMediaTimeRange | 錶示一組零個或多個不相交的時間間隔 |
| QMediaTimeRange::Interval | QMediaTimeRange::Interval class represents a time interval with integer precision |
| QScreenCapture | Used for capturing a screen |
| QSoundEffect | 播放低延遲音效的辦法 |
| QVideoFrame | 錶示視頻數據幀 |
| QVideoFrameFormat | 指定視頻呈現錶麵的流格式 |
| QVideoSink | Represents a generic sink for video data |
| QGraphicsVideoItem | Graphics item which display video produced by a QMediaPlayer or QCamera |
| QVideoWidget | 呈現媒體對象産生視頻的小部件 |
| QAmbientSound | A stereo overlay sound |
| QAudioEngine | Manages a three dimensional sound field |
| QAudioListener | Defines the position and orientation of the person listening to a sound field defined by QAudioEngine |
| QAudioRoom | |
| QSpatialSound | A sound object in 3D space |
