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<td >Qt 5.9</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td >Qt Multimedia Module C++ Classes</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#namespaces">Namespaces</a></li>
<li class="level1"><a href="#classes">Classes</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">Qt Multimedia Module C++ Classes</h1>
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<p>The <a href="qtmultimedia-index.html">Qt Multimedia</a> module provides audio, video, radio and camera functionality. <a href="#details">More...</a></p>
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<h2 id="namespaces">Namespaces</h2>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qaudio.html">QAudio</a></p></td><td class="tblDescr"><p>Contains enums used by the audio classes</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediametadata.html">QMediaMetaData</a></p></td><td class="tblDescr"><p>Provides identifiers for meta-data attributes</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmultimedia.html">QMultimedia</a></p></td><td class="tblDescr"><p>Contains miscellaneous identifiers used throughout the Qt Multimedia library</p></td></tr>
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<a name="classes"></a>
<h2 id="classes">Classes</h2>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qaudiobuffer.html">QAudioBuffer</a></p></td><td class="tblDescr"><p>Represents a collection of audio samples with a specific format and sample rate</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qaudiobuffer-stereoframe.html">QAudioBuffer::StereoFrame</a></p></td><td class="tblDescr"><p>Simple wrapper for a stereo audio frame</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qaudiodecoder.html">QAudioDecoder</a></p></td><td class="tblDescr"><p>Allows decoding audio</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a></p></td><td class="tblDescr"><p>Interface to query audio devices and their functionality</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qaudioformat.html">QAudioFormat</a></p></td><td class="tblDescr"><p>Stores audio stream parameter information</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qaudioinput.html">QAudioInput</a></p></td><td class="tblDescr"><p>Interface for receiving audio data from an audio input device</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qaudiooutput.html">QAudioOutput</a></p></td><td class="tblDescr"><p>Interface for sending audio data to an audio output device</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qaudioprobe.html">QAudioProbe</a></p></td><td class="tblDescr"><p>Allows you to monitor audio being played or recorded</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qabstractaudiodeviceinfo.html">QAbstractAudioDeviceInfo</a></p></td><td class="tblDescr"><p>Base class for audio backends</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qabstractaudioinput.html">QAbstractAudioInput</a></p></td><td class="tblDescr"><p>Access for QAudioInput to access the audio device provided by the plugin</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qabstractaudiooutput.html">QAbstractAudioOutput</a></p></td><td class="tblDescr"><p>Base class for audio backends</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qaudiosystemplugin.html">QAudioSystemPlugin</a></p></td><td class="tblDescr"><p>Abstract base for audio plugins</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsound.html">QSound</a></p></td><td class="tblDescr"><p>Method to play .wav sound files</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsoundeffect.html">QSoundEffect</a></p></td><td class="tblDescr"><p>Way to play low latency sound effects</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcamera-frameraterange.html">QCamera::FrameRateRange</a></p></td><td class="tblDescr"><p>A FrameRateRange represents a range of frame rates as minimum and maximum rate</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcamera.html">QCamera</a></p></td><td class="tblDescr"><p>Interface for system camera devices</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcameraexposure.html">QCameraExposure</a></p></td><td class="tblDescr"><p>Interface for exposure related camera settings</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcamerafocus.html">QCameraFocus</a></p></td><td class="tblDescr"><p>Interface for focus and zoom related camera settings</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcamerafocuszone.html">QCameraFocusZone</a></p></td><td class="tblDescr"><p>Information on zones used for autofocusing a camera</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcameraimagecapture.html">QCameraImageCapture</a></p></td><td class="tblDescr"><p>Used for the recording of media content</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcameraimageprocessing.html">QCameraImageProcessing</a></p></td><td class="tblDescr"><p>Interface for image processing related camera settings</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcamerainfo.html">QCameraInfo</a></p></td><td class="tblDescr"><p>General information about camera devices</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcameraviewfindersettings.html">QCameraViewfinderSettings</a></p></td><td class="tblDescr"><p>Set of viewfinder settings</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qaudiodecodercontrol.html">QAudioDecoderControl</a></p></td><td class="tblDescr"><p>Access to the audio decoding functionality of a QMediaService</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qaudioencodersettingscontrol.html">QAudioEncoderSettingsControl</a></p></td><td class="tblDescr"><p>Access to the settings of a media service that performs audio encoding</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qaudioinputselectorcontrol.html">QAudioInputSelectorControl</a></p></td><td class="tblDescr"><p>Audio input selector media control</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qaudiooutputselectorcontrol.html">QAudioOutputSelectorControl</a></p></td><td class="tblDescr"><p>Audio output selector media control</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qaudiorolecontrol.html">QAudioRoleControl</a></p></td><td class="tblDescr"><p>Control over the audio role of a media object</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcameracapturebufferformatcontrol.html">QCameraCaptureBufferFormatControl</a></p></td><td class="tblDescr"><p>Control for setting the capture buffer format</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcameracapturedestinationcontrol.html">QCameraCaptureDestinationControl</a></p></td><td class="tblDescr"><p>Control for setting capture destination</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcameracontrol.html">QCameraControl</a></p></td><td class="tblDescr"><p>Abstract base class for classes that control still cameras or video cameras</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcameraexposurecontrol.html">QCameraExposureControl</a></p></td><td class="tblDescr"><p>Allows controlling camera exposure parameters</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcamerafeedbackcontrol.html">QCameraFeedbackControl</a></p></td><td class="tblDescr"><p>Allows controlling feedback (sounds etc) during camera operation</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcameraflashcontrol.html">QCameraFlashControl</a></p></td><td class="tblDescr"><p>Allows controlling a camera's flash</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcamerafocuscontrol.html">QCameraFocusControl</a></p></td><td class="tblDescr"><p>Supplies control for focusing related camera parameters</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcameraimagecapturecontrol.html">QCameraImageCaptureControl</a></p></td><td class="tblDescr"><p>Control interface for image capture services</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcameraimageprocessingcontrol.html">QCameraImageProcessingControl</a></p></td><td class="tblDescr"><p>Abstract class for controlling image processing parameters, like white balance, contrast, saturation, sharpening and denoising</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcamerainfocontrol.html">QCameraInfoControl</a></p></td><td class="tblDescr"><p>Camera info media control</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcameralockscontrol.html">QCameraLocksControl</a></p></td><td class="tblDescr"><p>Abstract base class for classes that control still cameras or video cameras</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcameraviewfindersettingscontrol.html">QCameraViewfinderSettingsControl</a></p></td><td class="tblDescr"><p>Abstract class for controlling camera viewfinder parameters</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcameraviewfindersettingscontrol2.html">QCameraViewfinderSettingsControl2</a></p></td><td class="tblDescr"><p>Access to the viewfinder settings of a camera media service</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcamerazoomcontrol.html">QCameraZoomControl</a></p></td><td class="tblDescr"><p>Supplies control for optical and digital camera zoom</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qimageencodercontrol.html">QImageEncoderControl</a></p></td><td class="tblDescr"><p>Access to the settings of a media service that performs image encoding</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediaaudioprobecontrol.html">QMediaAudioProbeControl</a></p></td><td class="tblDescr"><p>Allows control over probing audio data in media objects</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediaavailabilitycontrol.html">QMediaAvailabilityControl</a></p></td><td class="tblDescr"><p>Supplies a control for reporting availability of a service</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediacontainercontrol.html">QMediaContainerControl</a></p></td><td class="tblDescr"><p>Access to the output container format of a QMediaService</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediagaplessplaybackcontrol.html">QMediaGaplessPlaybackControl</a></p></td><td class="tblDescr"><p>Access to the gapless playback related control of a QMediaService</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmedianetworkaccesscontrol.html">QMediaNetworkAccessControl</a></p></td><td class="tblDescr"><p>Allows the setting of the Network Access Point for media related activities</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediaplayercontrol.html">QMediaPlayerControl</a></p></td><td class="tblDescr"><p>Access to the media playing functionality of a QMediaService</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediarecordercontrol.html">QMediaRecorderControl</a></p></td><td class="tblDescr"><p>Access to the recording functionality of a QMediaService</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediastreamscontrol.html">QMediaStreamsControl</a></p></td><td class="tblDescr"><p>Media stream selection control</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediavideoprobecontrol.html">QMediaVideoProbeControl</a></p></td><td class="tblDescr"><p>Allows control over probing video frames in media objects</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmetadatareadercontrol.html">QMetaDataReaderControl</a></p></td><td class="tblDescr"><p>Read access to the meta-data of a QMediaService's media</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmetadatawritercontrol.html">QMetaDataWriterControl</a></p></td><td class="tblDescr"><p>Write access to the meta-data of a QMediaService's media</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qradiodatacontrol.html">QRadioDataControl</a></p></td><td class="tblDescr"><p>Access to the RDS functionality of the radio in the QMediaService</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qradiotunercontrol.html">QRadioTunerControl</a></p></td><td class="tblDescr"><p>Access to the radio tuning functionality of a QMediaService</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qvideodeviceselectorcontrol.html">QVideoDeviceSelectorControl</a></p></td><td class="tblDescr"><p>Video device selector media control</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qvideoencodersettingscontrol.html">QVideoEncoderSettingsControl</a></p></td><td class="tblDescr"><p>Access to the settings of a media service that performs video encoding</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qvideorenderercontrol.html">QVideoRendererControl</a></p></td><td class="tblDescr"><p>Media control for rendering video to a QAbstractVideoSurface</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qvideowindowcontrol.html">QVideoWindowControl</a></p></td><td class="tblDescr"><p>Media control for rendering video to a window</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediacontent.html">QMediaContent</a></p></td><td class="tblDescr"><p>Access to the resources relating to a media content</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediaplayer.html">QMediaPlayer</a></p></td><td class="tblDescr"><p>Allows the playing of a media source</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediaplaylist.html">QMediaPlaylist</a></p></td><td class="tblDescr"><p>List of media content to play</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediaresource.html">QMediaResource</a></p></td><td class="tblDescr"><p>Description of a media resource</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediabindableinterface.html">QMediaBindableInterface</a></p></td><td class="tblDescr"><p>The base class for objects extending media objects functionality</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediacontrol.html">QMediaControl</a></p></td><td class="tblDescr"><p>Base interface for media service controls</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediaobject.html">QMediaObject</a></p></td><td class="tblDescr"><p>Common base for multimedia objects</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediaservice.html">QMediaService</a></p></td><td class="tblDescr"><p>Common base class for media service implementations</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediaservicecamerainfointerface.html">QMediaServiceCameraInfoInterface</a></p></td><td class="tblDescr"><p>Interface provides camera-specific information about devices supported by a camera service plug-in</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediaservicedefaultdeviceinterface.html">QMediaServiceDefaultDeviceInterface</a></p></td><td class="tblDescr"><p>Interface identifies the default device used by a media service plug-in</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediaservicefeaturesinterface.html">QMediaServiceFeaturesInterface</a></p></td><td class="tblDescr"><p>Interface identifies features supported by a media service plug-in</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediaserviceproviderplugin.html">QMediaServiceProviderPlugin</a></p></td><td class="tblDescr"><p>Interface provides an interface for QMediaService plug-ins</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediaservicesupporteddevicesinterface.html">QMediaServiceSupportedDevicesInterface</a></p></td><td class="tblDescr"><p>Interface identifies the devices supported by a media service plug-in</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediaservicesupportedformatsinterface.html">QMediaServiceSupportedFormatsInterface</a></p></td><td class="tblDescr"><p>Interface identifies if a media service plug-in supports a media format</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediatimeinterval.html">QMediaTimeInterval</a></p></td><td class="tblDescr"><p>Represents a time interval with integer precision</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmediatimerange.html">QMediaTimeRange</a></p></td><td class="tblDescr"><p>Represents a set of zero or more disjoint time intervals</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qradiodata.html">QRadioData</a></p></td><td class="tblDescr"><p>Interfaces to the RDS functionality of the system radio</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qradiotuner.html">QRadioTuner</a></p></td><td class="tblDescr"><p>Interface to the systems analog radio device</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qaudiorecorder.html">QAudioRecorder</a></p></td><td class="tblDescr"><p>Used for the recording of audio</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qaudioencodersettings.html">QAudioEncoderSettings</a></p></td><td class="tblDescr"><p>Set of audio encoder settings</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qimageencodersettings.html">QImageEncoderSettings</a></p></td><td class="tblDescr"><p>Set of image encoder settings</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qvideoencodersettings.html">QVideoEncoderSettings</a></p></td><td class="tblDescr"><p>Set of video encoder settings</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmediarecorder.html">QMediaRecorder</a></p></td><td class="tblDescr"><p>Used for the recording of media content</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qabstractplanarvideobuffer.html">QAbstractPlanarVideoBuffer</a></p></td><td class="tblDescr"><p>Abstraction for planar video data</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qabstractvideobuffer.html">QAbstractVideoBuffer</a></p></td><td class="tblDescr"><p>Abstraction for video data</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qabstractvideofilter.html">QAbstractVideoFilter</a></p></td><td class="tblDescr"><p>Represents a filter that is applied to the video frames received by a VideoOutput type</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qvideofilterrunnable.html">QVideoFilterRunnable</a></p></td><td class="tblDescr"><p>Represents the implementation of a filter that owns all graphics and computational resources, and performs the actual filtering or calculations</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qabstractvideosurface.html">QAbstractVideoSurface</a></p></td><td class="tblDescr"><p>Base class for video presentation surfaces</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qvideoframe.html">QVideoFrame</a></p></td><td class="tblDescr"><p>Represents a frame of video data</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qvideoprobe.html">QVideoProbe</a></p></td><td class="tblDescr"><p>Allows you to monitor video frames being played or recorded</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qvideosurfaceformat.html">QVideoSurfaceFormat</a></p></td><td class="tblDescr"><p>Specifies the stream format of a video presentation surface</p></td></tr>
</table></div>
<!-- $$$QtMultimedia-description -->
<a name="details"></a>
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<h2 id="details">Detailed Description</h2>
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<!-- @@@QtMultimedia -->
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<acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
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