QMediaCaptureSession 类允许捕获音频/视频内容。 更多...
| 头: | #include <QMediaCaptureSession> |
| CMake: |
find_package(Qt6 REQUIRED COMPONENTS Multimedia)
target_link_libraries(mytarget PRIVATE Qt6::Multimedia) |
| qmake: | QT += multimedia |
| 实例化: | CaptureSession |
| 继承: | QObject |
|
|
| QMediaCaptureSession (QObject * parent = nullptr) | |
| virtual | ~QMediaCaptureSession () |
| QAudioInput * | audioInput () const |
| QAudioOutput * | audioOutput () const |
| QCamera * | camera () const |
| QImageCapture * | imageCapture () |
| QMediaRecorder * | recorder () |
| QScreenCapture * | screenCapture () |
| void | setAudioInput (QAudioInput * input ) |
| void | setAudioOutput (QAudioOutput * output ) |
| void | setCamera (QCamera * camera ) |
| void | setImageCapture (QImageCapture * imageCapture ) |
| void | setRecorder (QMediaRecorder * recorder ) |
| void | setScreenCapture (QScreenCapture * screenCapture ) |
| void | setVideoOutput (QObject * output ) |
| void | setVideoSink (QVideoSink * sink ) |
| QObject * | videoOutput () const |
| QVideoSink * | videoSink () const |
| void | audioInputChanged () |
| void | audioOutputChanged () |
| void | cameraChanged () |
| void | imageCaptureChanged () |
| void | recorderChanged () |
| void | screenCaptureChanged () |
| void | videoOutputChanged () |
QMediaCaptureSession 是管理本地设备媒体捕获的中心类。
可以将摄像头和麦克风连接到 QMediaCaptureSession 使用 setCamera () 和 setAudioInput ()。可以看到捕获媒体的预览通过设置 QVideoSink of QVideoWidget 使用 setVideoOutput () 和通过将音频路由到输出设备以收听使用 setAudioOutput ().
可以从摄像头捕获静止图像通过设置 QImageCapture 对象在捕获会话,和录制音频/视频使用 QMediaRecorder .
另请参阅 QCamera , QAudioDevice , QMediaRecorder , QImageCapture ,和 QMediaRecorder .
Returns the device that is being used to capture audio.
访问函数:
| QAudioInput * | audioInput () const |
| void | setAudioInput (QAudioInput * input ) |
通知程序信号:
| void | audioInputChanged () |
Returns the audio output for the session.
访问函数:
| QAudioOutput * | audioOutput () const |
| void | setAudioOutput (QAudioOutput * output ) |
通知程序信号:
| void | audioOutputChanged () |
This property holds the camera used to capture video.
Record video or take images by adding a camera to the capture session using this property,
访问函数:
| QCamera * | camera () const |
| void | setCamera (QCamera * camera ) |
通知程序信号:
| void | cameraChanged () |
此特性保持用于捕获静止图像的对象。
添加 QImageCapture object to the capture session to enable capturing of still images from the camera.
访问函数:
| QImageCapture * | imageCapture () |
| void | setImageCapture (QImageCapture * imageCapture ) |
通知程序信号:
| void | imageCaptureChanged () |
此特性保持用于捕获音频/视频的录制器对象。
添加 QMediaRecorder object to the capture session to enable recording of audio and/or video from the capture session.
访问函数:
| QMediaRecorder * | recorder () |
| void | setRecorder (QMediaRecorder * recorder ) |
通知程序信号:
| void | recorderChanged () |
[since 6.5]
screenCapture
:
QScreenCapture
*
This property holds the object used to capture a window or screen view.
Record a screen or window view by adding a screen capture objet to the capture session using this property.
该特性在 Qt 6.5 引入。
访问函数:
| QScreenCapture * | screenCapture () |
| void | setScreenCapture (QScreenCapture * screenCapture ) |
通知程序信号:
| void | screenCaptureChanged () |
Returns the video output for the session.
访问函数:
| QObject * | videoOutput () const |
| void | setVideoOutput (QObject * output ) |
通知程序信号:
| void | videoOutputChanged () |
[explicit]
QMediaCaptureSession::
QMediaCaptureSession
(
QObject
*
parent
= nullptr)
Creates a session for media capture from the parent 对象。
[虚拟]
QMediaCaptureSession::
~QMediaCaptureSession
()
Destroys the session.
Sets the audio input device to input . If setting it to an empty QAudioDevice the capture session will use the default input as defined by the operating system.
注意: setter 函数对于特性 audioInput .
另请参阅 audioInput ().
Sets the audio output device to output .
注意: setter 函数对于特性 audioOutput .
另请参阅 audioOutput ().
设置 QObject , ( output ), to a video preview for the capture session.
A QObject based preview is expected to have an invokable videoSink () method that returns a QVideoSink .
先前设置的预览被分离。
注意: setter 函数对于特性 videoOutput .
另请参阅 videoOutput ().
设置 QVideoSink , ( sink ), to a video preview for the capture session.
A QObject based preview is expected to have an invokable videoSink () method that returns a QVideoSink .
先前设置的预览被分离。
另请参阅 videoSink ().
返回 QVideoSink for the session.
另请参阅 setVideoSink ().