VideoPlaybackRate.qml Example File | Qt Multimedia 5.9

Qt 5.9 | Qt Multimedia | QML Video Example | VideoPlaybackRate.qml Example File

Qt 5.9.3 Reference Documentation

# VideoPlaybackRate.qml Example File

multimedia/video/qmlvideo/qml/qmlvideo/VideoPlaybackRate.qml

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      import QtQuick 2.0

      Scene {
          id: root
          property int margin: 20
          property real delta: 0.1
          property string contentType: "video"

          Content {
              id: content
              anchors.centerIn: parent
              width: parent.contentWidth
              contentType: "video"
              source: parent.source1
              volume: parent.volume
              onVideoFramePainted: root.videoFramePainted()
          }

          Button {
              id: increaseButton
              anchors {
                  right: parent.right
                  bottom: decreaseButton.top
                  margins: parent.margins
              }
              width: Math.max(parent.width, parent.height) / 10
              height: root.buttonHeight
              text: "Increase"
              onClicked: {
                  var video = content.contentItem()
                  video.playbackRate += delta
              }
          }

          Button {
              id: decreaseButton
              anchors {
                  right: parent.right
                  verticalCenter: parent.verticalCenter
                  margins: parent.margins
              }
              width: Math.max(parent.width, parent.height) / 10
              height: root.buttonHeight
              text: "Decrease"
              onClicked: {
                  var video = content.contentItem()
                  video.playbackRate -= delta
              }
          }

          Button {
              id: valueButton
              anchors {
                  left: parent.left
                  verticalCenter: parent.verticalCenter
                  margins: parent.margins
              }
              width: Math.max(parent.width, parent.height) / 25
              height: root.buttonHeight
              enabled: false
              text: Math.round(10 * content.contentItem().playbackRate) / 10
          }

          Component.onCompleted: root.content = content
      }