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98 lines
3.9 KiB
98 lines
3.9 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 QSizeF, Qt, QUrl |
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from PyQt5.QtGui import QBrush, QColor |
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from PyQt5.QtMultimedia import QMediaContent, QMediaPlayer |
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from PyQt5.QtMultimediaWidgets import QGraphicsVideoItem |
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from PyQt5.QtWidgets import QWidget, QGraphicsScene, QGraphicsView, QVBoxLayout |
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from core.buffer import Buffer |
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class VideoPlayerBuffer(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(VideoPlayerWidget()) |
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self.buffer_widget.play(url) |
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def all_views_hide(self): |
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# Pause video before all views hdie, otherwise will got error "Internal data stream error". |
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if self.buffer_widget.media_player.state() == QMediaPlayer.PlayingState: |
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self.buffer_widget.media_player.pause() |
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self.buffer_widget.video_need_replay = True |
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def some_view_show(self): |
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if self.buffer_widget.video_need_replay == True: |
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self.buffer_widget.media_player.play() |
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class VideoPlayerWidget(QWidget): |
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def __init__(self, parent=None): |
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super(VideoPlayerWidget, self).__init__(parent) |
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self.scene = QGraphicsScene(self) |
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self.scene.setBackgroundBrush(QBrush(QColor(0, 0, 0, 255))) |
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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.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.media_player = QMediaPlayer(None, QMediaPlayer.VideoSurface) |
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self.media_player.setVideoOutput(self.video_item) |
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self.video_need_replay = False |
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self.video_seek_durcation = 3000 # in milliseconds |
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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 play(self, url): |
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self.media_player.setMedia(QMediaContent(QUrl.fromLocalFile(url))) |
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self.media_player.play() |
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def seek_forward(self): |
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video_position = self.media_player.position() |
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self.media_player.setPosition(video_position + self.video_seek_durcation) |
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def seek_backward(self): |
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video_position = self.media_player.position() |
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self.media_player.setPosition(max(video_position - self.video_seek_durcation, 0)) |
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def keyPressEvent(self, event): |
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if event.key() == Qt.Key_Space: |
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if self.media_player.state() == QMediaPlayer.PlayingState: |
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self.media_player.pause() |
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self.video_need_replay = False |
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else: |
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self.media_player.play() |
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self.video_need_replay = True |
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elif event.key() == Qt.Key_H: |
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self.seek_backward() |
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elif event.key() == Qt.Key_L: |
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self.seek_forward()
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