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90 lines
3.2 KiB
90 lines
3.2 KiB
#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# Copyright (C) 2018 Andy Stewart |
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# |
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# Author: Andy Stewart <lazycat.manatee@gmail.com> |
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# Maintainer: Andy Stewart <lazycat.manatee@gmail.com> |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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from PyQt5.QtCore import Qt, QSizeF |
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from PyQt5.QtGui import QBrush |
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from PyQt5.QtGui import QColor |
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from PyQt5.QtMultimedia import QCameraInfo, QCamera |
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from PyQt5.QtMultimediaWidgets import QGraphicsVideoItem |
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from PyQt5.QtWidgets import QGraphicsScene, QGraphicsView |
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from PyQt5.QtWidgets import QWidget, QVBoxLayout |
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from core.buffer import Buffer |
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class AppBuffer(Buffer): |
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def __init__(self, buffer_id, url): |
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Buffer.__init__(self, buffer_id, url, True, QColor(0, 0, 0, 255)) |
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self.add_widget(CameraWidget(QColor(0, 0, 0, 255))) |
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def all_views_hide(self): |
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# Need stop camera if all view will hide, otherwise camera will crash. |
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self.buffer_widget.camera.stop() |
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def some_view_show(self): |
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# Re-start camero after some view show. |
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self.buffer_widget.camera.start() |
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class CameraWidget(QWidget): |
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def __init__(self, background_color): |
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QWidget.__init__(self) |
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self.scene = QGraphicsScene(self) |
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self.scene.setBackgroundBrush(QBrush(background_color)) |
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self.graphics_view = QGraphicsView(self.scene) |
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self.graphics_view.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff) |
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self.graphics_view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff) |
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self.graphics_view.setFrameStyle(0) |
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self.graphics_view.setStyleSheet("QGraphicsView {background: transparent; border: 3px; outline: none;}") |
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self.graphics_view.scale(-1, 1) # this make live video from camero mirror. |
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self.video_item = QGraphicsVideoItem() |
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self.scene.addItem(self.video_item) |
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self.layout = QVBoxLayout(self) |
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self.layout.setContentsMargins(0, 0, 0, 0) |
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self.layout.addWidget(self.graphics_view) |
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self.available_cameras = QCameraInfo.availableCameras() |
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# Set the default camera. |
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self.select_camera(0) |
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def resizeEvent(self, event): |
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self.video_item.setSize(QSizeF(event.size().width(), event.size().height())) |
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QWidget.resizeEvent(self, event) |
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def select_camera(self, i): |
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self.camera = QCamera(self.available_cameras[i]) |
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self.camera.setViewfinder(self.video_item) |
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self.camera.setCaptureMode(QCamera.CaptureStillImage) |
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self.camera.start() |
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if __name__ == "__main__": |
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from PyQt5.QtWidgets import QApplication |
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import sys |
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import signal |
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app = QApplication(sys.argv) |
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test = CameraWidget(QColor(0, 0, 0, 255)) |
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test.show() |
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signal.signal(signal.SIGINT, signal.SIG_DFL) |
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sys.exit(app.exec_())
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