diff options
author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2017-04-25 16:57:08 +0200 |
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committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2017-05-12 07:27:18 +0000 |
commit | 4d0f80db9a34be42ff62c508bf7d17720146b0c7 (patch) | |
tree | 195e97bf85989e1bfd8de455666c3ead74f9ac24 | |
parent | 56117b4427bbe126232b8d5268b0599342b59bab (diff) |
Add multimedia examples for camera and mediaplayer
Add a simple player and camera test example.
Task-number: PYSIDE-349
Task-number: PYSIDE-487
Change-Id: Idffdf8209f7e35bdc2ad156402b3a068ae124c5b
Reviewed-by: Christian Tismer <tismer@stackless.com>
-rw-r--r-- | examples/multimedia/camera.py | 170 | ||||
-rw-r--r-- | examples/multimedia/player.py | 158 | ||||
-rw-r--r-- | examples/multimedia/shutter.svg | 21 |
3 files changed, 349 insertions, 0 deletions
diff --git a/examples/multimedia/camera.py b/examples/multimedia/camera.py new file mode 100644 index 0000000..1b8d5ad --- /dev/null +++ b/examples/multimedia/camera.py @@ -0,0 +1,170 @@ +#!/usr/bin/env python + +############################################################################# +## +## Copyright (C) 2017 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the PySide examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +"""PySide2 Multimedia Camera Example""" + +import os, sys +from PySide2.QtCore import QDate, QDir, QStandardPaths, Qt, QUrl +from PySide2.QtGui import QClipboard, QGuiApplication, QDesktopServices, QIcon +from PySide2.QtGui import QImage, QPixmap +from PySide2.QtWidgets import (QAction, qApp, QApplication, QHBoxLayout, QLabel, + QMainWindow, QPushButton, QTabWidget, QToolBar, QVBoxLayout, QWidget) +from PySide2.QtMultimedia import QCamera, QCameraImageCapture, QCameraInfo +from PySide2.QtMultimediaWidgets import QCameraViewfinder + +class ImageView(QWidget): + def __init__(self, previewImage, fileName): + super(ImageView, self).__init__() + + self.fileName = fileName + + mainLayout = QVBoxLayout(self) + self.imageLabel = QLabel() + self.imageLabel.setPixmap(QPixmap.fromImage(previewImage)) + mainLayout.addWidget(self.imageLabel) + + topLayout = QHBoxLayout() + self.fileNameLabel = QLabel(QDir.toNativeSeparators(fileName)) + self.fileNameLabel.setTextInteractionFlags(Qt.TextBrowserInteraction) + + topLayout.addWidget(self.fileNameLabel) + topLayout.addStretch() + copyButton = QPushButton("Copy") + copyButton.setToolTip("Copy file name to clipboard") + topLayout.addWidget(copyButton) + copyButton.clicked.connect(self.copy) + launchButton = QPushButton("Launch") + launchButton.setToolTip("Launch image viewer") + topLayout.addWidget(launchButton) + launchButton.clicked.connect(self.launch) + mainLayout.addLayout(topLayout) + + def copy(self): + QGuiApplication.clipboard().setText(self.fileNameLabel.text()) + + def launch(self): + QDesktopServices.openUrl(QUrl.fromLocalFile(self.fileName)) + +class MainWindow(QMainWindow): + def __init__(self): + super(MainWindow, self).__init__() + + self.cameraInfo = QCameraInfo.defaultCamera() + self.camera = QCamera(self.cameraInfo) + self.camera.setCaptureMode(QCamera.CaptureStillImage) + self.imageCapture = QCameraImageCapture(self.camera) + self.imageCapture.imageCaptured.connect(self.imageCaptured) + self.imageCapture.imageSaved.connect(self.imageSaved) + self.currentPreview = QImage() + + toolBar = QToolBar() + self.addToolBar(toolBar) + + fileMenu = self.menuBar().addMenu("&File") + shutterIcon = QIcon(os.path.join(os.path.dirname(__file__), + "shutter.svg")) + self.takePictureAction = QAction(shutterIcon, "&Take Picture", self, + shortcut="Ctrl+T", + triggered=self.takePicture) + self.takePictureAction.setToolTip("Take Picture") + fileMenu.addAction(self.takePictureAction) + toolBar.addAction(self.takePictureAction) + + exitAction = QAction(QIcon.fromTheme("application-exit"), "E&xit", + self, shortcut="Ctrl+Q", triggered=self.close) + fileMenu.addAction(exitAction) + + aboutMenu = self.menuBar().addMenu("&About") + aboutQtAction = QAction("About &Qt", self, triggered=qApp.aboutQt) + aboutMenu.addAction(aboutQtAction) + + self.tabWidget = QTabWidget() + self.setCentralWidget(self.tabWidget) + + self.cameraViewfinder = QCameraViewfinder() + self.camera.setViewfinder(self.cameraViewfinder) + self.tabWidget.addTab(self.cameraViewfinder, "Viewfinder") + + if self.camera.status() != QCamera.UnavailableStatus: + name = self.cameraInfo.description() + self.setWindowTitle("PySide2 Camera Example (" + name + ")") + self.statusBar().showMessage("Starting: '" + name + "'", 5000) + self.camera.start() + else: + self.setWindowTitle("PySide2 Camera Example") + self.takePictureAction.setEnabled(False) + self.statusBar().showMessage("Camera unavailable", 5000) + + def nextImageFileName(self): + picturesLocation = QStandardPaths.writableLocation(QStandardPaths.PicturesLocation) + dateString = QDate.currentDate().toString("yyyyMMdd") + pattern = picturesLocation + "/pyside2_camera_" + dateString + "_{:03d}.jpg" + n = 1 + while True: + result = pattern.format(n) + if not os.path.exists(result): + return result + n = n + 1 + return None + + def takePicture(self): + self.currentPreview = QImage() + self.camera.searchAndLock() + self.imageCapture.capture(self.nextImageFileName()) + self.camera.unlock() + + def imageCaptured(self, id, previewImage): + self.currentPreview = previewImage + + def imageSaved(self, id, fileName): + index = self.tabWidget.count() + imageView = ImageView(self.currentPreview, fileName) + self.tabWidget.addTab(imageView, "Capture #{}".format(index)) + self.tabWidget.setCurrentIndex(index) + +if __name__ == '__main__': + app = QApplication(sys.argv) + mainWin = MainWindow() + availableGeometry = app.desktop().availableGeometry(mainWin) + mainWin.resize(availableGeometry.width() / 3, availableGeometry.height() / 2) + mainWin.show() + sys.exit(app.exec_()) diff --git a/examples/multimedia/player.py b/examples/multimedia/player.py new file mode 100644 index 0000000..a519332 --- /dev/null +++ b/examples/multimedia/player.py @@ -0,0 +1,158 @@ +#!/usr/bin/env python + +############################################################################# +## +## Copyright (C) 2017 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the PySide examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +"""PySide2 Multimedia player example""" + +import sys +from PySide2.QtCore import SLOT, QStandardPaths, Qt +from PySide2.QtGui import QIcon, QKeySequence +from PySide2.QtWidgets import (QAction, qApp, QApplication, QDialog, QFileDialog, + QMainWindow, QMenu, QMenuBar, QSlider, QStyle, QToolBar) +from PySide2.QtMultimedia import QMediaPlayer, QMediaPlaylist +from PySide2.QtMultimediaWidgets import QVideoWidget + +class MainWindow(QMainWindow): + + def __init__(self): + super(MainWindow, self).__init__() + + self.playlist = QMediaPlaylist() + self.player = QMediaPlayer() + + toolBar = QToolBar() + self.addToolBar(toolBar) + + fileMenu = self.menuBar().addMenu("&File") + openAction = QAction(QIcon.fromTheme("document-open"), + "&Open...", self, shortcut=QKeySequence.Open, + triggered=self.open) + fileMenu.addAction(openAction) + exitAction = QAction(QIcon.fromTheme("application-exit"), "E&xit", + self, shortcut="Ctrl+Q", triggered=self.close) + fileMenu.addAction(exitAction) + + playMenu = self.menuBar().addMenu("&Play") + playIcon = self.style().standardIcon(QStyle.SP_MediaPlay) + self.playAction = toolBar.addAction(playIcon, "Play") + self.playAction.triggered.connect(self.player, SLOT("play()")) + playMenu.addAction(self.playAction) + + previousIcon = self.style().standardIcon(QStyle.SP_MediaSkipBackward) + self.previousAction = toolBar.addAction(previousIcon, "Previous") + self.previousAction.triggered.connect(self.previousClicked) + playMenu.addAction(self.previousAction) + + pauseIcon = self.style().standardIcon(QStyle.SP_MediaPause) + self.pauseAction = toolBar.addAction(pauseIcon, "Pause") + self.pauseAction.triggered.connect(self.player, SLOT("pause()")) + playMenu.addAction(self.pauseAction) + + nextIcon = self.style().standardIcon(QStyle.SP_MediaSkipForward) + self.nextAction = toolBar.addAction(nextIcon, "Next") + self.nextAction.triggered.connect(self.playlist, SLOT("next()")) + playMenu.addAction(self.nextAction) + + stopIcon = self.style().standardIcon(QStyle.SP_MediaStop) + self.stopAction = toolBar.addAction(stopIcon, "Stop") + self.stopAction.triggered.connect(self.player, SLOT("stop()")) + playMenu.addAction(self.stopAction) + + self.volumeSlider = QSlider() + self.volumeSlider.setOrientation(Qt.Horizontal) + self.volumeSlider.setMinimum(0) + self.volumeSlider.setMaximum(100) + self.volumeSlider.setFixedWidth(app.desktop().availableGeometry(self).width() / 10) + self.volumeSlider.setValue(self.player.volume()) + self.volumeSlider.setTickInterval(10) + self.volumeSlider.setTickPosition(QSlider.TicksBelow) + self.volumeSlider.setToolTip("Volume") + self.volumeSlider.valueChanged.connect(self.player, SLOT("setVolume(int)")) + toolBar.addWidget(self.volumeSlider) + + aboutMenu = self.menuBar().addMenu("&About") + aboutQtAct = QAction("About &Qt", self, triggered=qApp.aboutQt) + aboutMenu.addAction(aboutQtAct) + + self.videoWidget = QVideoWidget() + self.setCentralWidget(self.videoWidget) + self.player.setPlaylist(self.playlist); + self.player.stateChanged.connect(self.updateButtons) + self.player.setVideoOutput(self.videoWidget); + + self.updateButtons(self.player.state()) + + def open(self): + fileDialog = QFileDialog(self) + supportedMimeTypes = QMediaPlayer.supportedMimeTypes() + if not supportedMimeTypes: + supportedMimeTypes.append("video/x-msvideo") # AVI + fileDialog.setMimeTypeFilters(supportedMimeTypes) + moviesLocation = QStandardPaths.writableLocation(QStandardPaths.MoviesLocation) + fileDialog.setDirectory(moviesLocation) + if fileDialog.exec_() == QDialog.Accepted: + self.playlist.addMedia(fileDialog.selectedUrls()[0]) + self.player.play() + + def previousClicked(self): + # Go to previous track if we are within the first 5 seconds of playback + # Otherwise, seek to the beginning. + if self.player.position() <= 5000: + self.playlist.previous(); + else: + player.setPosition(0); + + def updateButtons(self, state): + mediaCount = self.playlist.mediaCount() + self.playAction.setEnabled(mediaCount > 0 + and state != QMediaPlayer.PlayingState) + self.pauseAction.setEnabled(state == QMediaPlayer.PlayingState) + self.stopAction.setEnabled(state != QMediaPlayer.StoppedState) + self.previousAction.setEnabled(self.player.position() > 0) + self.nextAction.setEnabled(mediaCount > 1) + +if __name__ == '__main__': + app = QApplication(sys.argv) + mainWin = MainWindow() + availableGeometry = app.desktop().availableGeometry(mainWin) + mainWin.resize(availableGeometry.width() / 3, availableGeometry.height() / 2) + mainWin.show() + sys.exit(app.exec_()) diff --git a/examples/multimedia/shutter.svg b/examples/multimedia/shutter.svg new file mode 100644 index 0000000..1849336 --- /dev/null +++ b/examples/multimedia/shutter.svg @@ -0,0 +1,21 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- Generator: Adobe Illustrator 20.1.0, SVG Export Plug-In . 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