small corrections + poc004 webcam screenshot/webcam register

2026-04-03 20:14:32 +02:00
parent ab5d11b40f
commit b669a0ba81
8 changed files with 593 additions and 3 deletions
--- a/poc004/qml/main.qml
+++ b/poc004/qml/main.qml
@@ -0,0 +1,188 @@
+// file: poc-qt/poc004/qml/main.qml
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import QtMultimedia
+
+ApplicationWindow {
+    visible: true
+    width: 1100
+    height: 760
+    title: "POC004 - Webcam + Micro + Capture + Record"
+
+    MediaDevices {
+        id: mediaDevices
+    }
+
+    Camera {
+        id: camera
+        cameraDevice: mediaDevices.defaultVideoInput
+    }
+
+    AudioInput {
+        id: microphone
+    }
+
+    ImageCapture {
+        id: imageCapture
+        onImageSaved: function(requestId, filePath) {
+            statusLabel.text = "Image saved: " + filePath
+        }
+        onErrorOccurred: function(requestId, error, errorString) {
+            statusLabel.text = "Image error: " + errorString
+        }
+    }
+
+    MediaRecorder {
+        id: recorder
+        quality: MediaRecorder.VeryHighQuality
+        onRecorderStateChanged: {
+            if (recorder.recorderState === MediaRecorder.RecordingState) {
+                statusLabel.text = "Recording video..."
+            } else if (recorder.recorderState === MediaRecorder.StoppedState) {
+                statusLabel.text = "Recorder stopped"
+            }
+        }
+        onErrorOccurred: function(error, errorString) {
+            statusLabel.text = "Recorder error: " + errorString
+        }
+    }
+
+    CaptureSession {
+        id: captureSession
+        camera: camera
+        audioInput: microphone
+        imageCapture: imageCapture
+        recorder: recorder
+        videoOutput: videoOutput
+    }
+
+    ColumnLayout {
+        anchors.fill: parent
+        anchors.margins: 12
+        spacing: 10
+
+        Rectangle {
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            color: "black"
+            border.width: 1
+            border.color: "#555"
+
+            VideoOutput {
+                id: videoOutput
+                anchors.fill: parent
+                fillMode: VideoOutput.PreserveAspectFit
+            }
+        }
+
+        RowLayout {
+            Layout.fillWidth: true
+            spacing: 8
+
+            Button {
+                text: camera.active ? "Stop camera" : "Start camera"
+                onClicked: {
+                    camera.active = !camera.active
+                    if (camera.active) {
+                        statusLabel.text = "Camera started"
+                    } else {
+                        statusLabel.text = "Camera stopped"
+                    }
+                }
+            }
+
+            Button {
+                text: "Take snapshot"
+                onClicked: {
+                    imageCapture.captureToFile("/home/sinus/Projects/poc-qt/target/captures_imgs/image_" + Date.now() + ".jpg")
+                }
+            }
+
+            Button {
+                text: recorder.recorderState === MediaRecorder.RecordingState ? "Stop recording" : "Start recording"
+                onClicked: {
+                    if (recorder.recorderState === MediaRecorder.RecordingState) {
+                        recorder.stop()
+                    } else {
+                        recorder.outputLocation = "file:///home/sinus/Projects/poc-qt/target/captures_vids/video_" + Date.now() + ".mp4"
+                        recorder.record()
+                    }
+                }
+            }
+
+            Button {
+                text: "Restart camera"
+                onClicked: {
+                    camera.stop()
+                    camera.start()
+                }
+            }
+        }
+
+        RowLayout {
+            Layout.fillWidth: true
+            spacing: 8
+
+            Label {
+                text: mediaDevices.videoInputs.length > 0
+                    ? ("Camera: " + camera.cameraDevice.description)
+                    : "No camera detected"
+                Layout.fillWidth: true
+                wrapMode: Text.WrapAnywhere
+            }
+
+            Label {
+                text: "Mic active"
+            }
+        }
+
+        Label {
+            id: statusLabel
+            Layout.fillWidth: true
+            text: "Ready"
+            wrapMode: Text.WrapAnywhere
+        }
+
+        ListView {
+            Layout.fillWidth: true
+            Layout.preferredHeight: 120
+            clip: true
+            model: mediaDevices.videoInputs
+
+            delegate: Rectangle {
+                width: ListView.view.width
+                height: 32
+                color: camera.cameraDevice.id === modelData.id ? "#334" : "transparent"
+
+                Text {
+                    anchors.verticalCenter: parent.verticalCenter
+                    anchors.left: parent.left
+                    anchors.leftMargin: 8
+                    text: modelData.description
+                    color: "white"
+                }
+
+                MouseArea {
+                    anchors.fill: parent
+                    onClicked: {
+                        camera.stop()
+                        camera.cameraDevice = modelData
+                        camera.start()
+                        statusLabel.text = "Switched camera to: " + modelData.description
+                    }
+                }
+            }
+        }
+    }
+
+    Component.onCompleted: {
+        if (mediaDevices.videoInputs.length > 0) {
+            camera.start()
+            statusLabel.text = "Camera started"
+        } else {
+            statusLabel.text = "No camera detected"
+        }
+    }
+}