Posts: 988
Threads: 15
Joined: Dec 2016
Dec-08-2016, 06:51 AM
(This post was last modified: Dec-08-2016, 07:45 AM by Axel_Erfurt.)
A Video Player with Qt5, made in Linux
First I want to use a QLabel to show the time, but there must be a bug (Labels are not refreshed)
#!/usr/bin/python3
# -*- coding: utf-8 -*-
from PyQt5.QtGui import QPalette, QKeySequence, QIcon
from PyQt5 import QtCore, QtWidgets
from PyQt5.QtCore import QDir, Qt, QUrl, QSize, QPoint, QTime
from PyQt5.QtMultimedia import QMediaContent, QMediaPlayer
from PyQt5.QtMultimediaWidgets import QVideoWidget
from PyQt5.QtWidgets import (QApplication, QFileDialog, QHBoxLayout, QLineEdit,
QPushButton, QSizePolicy, QSlider, QMessageBox, QStyle, QVBoxLayout,
QWidget, QShortcut)
import os
class VideoPlayer(QWidget):
def __init__(self,aPath=None):
super(VideoPlayer, self).__init__()
self.setAttribute( Qt.WA_NoSystemBackground, True )
self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)
self.mediaPlayer.setVolume(80)
self.videoWidget = QVideoWidget(self)
self.lbl = QLineEdit('00:00:00')
self.lbl.setFixedWidth(60)
self.lbl.setUpdatesEnabled(True)
self.lbl.setStyleSheet(stylesheet(self))
self.elbl = QLineEdit('00:00:00')
self.elbl.setFixedWidth(60)
self.elbl.setUpdatesEnabled(True)
self.elbl.setStyleSheet(stylesheet(self))
self.playButton = QPushButton()
self.playButton.setEnabled(False)
self.playButton.setFixedWidth(32)
self.playButton.setStyleSheet("background-color: black")
self.playButton.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
self.playButton.clicked.connect(self.play)
self.positionSlider = QSlider(Qt.Horizontal, self)
self.positionSlider.setStyleSheet (stylesheet(self))
self.positionSlider.setRange(0, 100)
self.positionSlider.sliderMoved.connect(self.setPosition)
self.positionSlider.sliderMoved.connect(self.handleLabel)
self.positionSlider.setSingleStep(2)
self.positionSlider.setPageStep(20)
self.positionSlider.setAttribute(Qt.WA_TranslucentBackground, True)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(5, 0, 5, 0)
controlLayout.addWidget(self.playButton)
controlLayout.addWidget(self.lbl)
controlLayout.addWidget(self.positionSlider)
controlLayout.addWidget(self.elbl)
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.videoWidget)
layout.addLayout(controlLayout)
self.setLayout(layout)
self.myinfo = "©2016\nAxel Schneider\n\nMouse Wheel = Zoom\nUP = Volume Up\nDOWN = Volume Down\n" + \
"LEFT = < 1 Minute\nRIGHT = > 1 Minute\n" + \
"SHIFT+LEFT = < 10 Minutes\nSHIFT+RIGHT = > 10 Minutes"
self.widescreen = True
if aPath is not None:
self.loadFilm(aPath)
#### shortcuts ####
self.shortcut = QShortcut(QKeySequence("q"), self)
self.shortcut.activated.connect(self.handleQuit)
self.shortcut = QShortcut(QKeySequence("o"), self)
self.shortcut.activated.connect(self.openFile)
self.shortcut = QShortcut(QKeySequence(" "), self)
self.shortcut.activated.connect(self.play)
self.shortcut = QShortcut(QKeySequence("f"), self)
self.shortcut.activated.connect(self.handleFullscreen)
self.shortcut = QShortcut(QKeySequence("i"), self)
self.shortcut.activated.connect(self.handleInfo)
self.shortcut = QShortcut(QKeySequence("s"), self)
self.shortcut.activated.connect(self.toggleSlider)
self.shortcut = QShortcut(QKeySequence(Qt.Key_Right), self)
self.shortcut.activated.connect(self.forwardSlider)
self.shortcut = QShortcut(QKeySequence(Qt.Key_Left), self)
self.shortcut.activated.connect(self.backSlider)
self.shortcut = QShortcut(QKeySequence(Qt.Key_Up), self)
self.shortcut.activated.connect(self.volumeUp)
self.shortcut = QShortcut(QKeySequence(Qt.Key_Down), self)
self.shortcut.activated.connect(self.volumeDown)
self.shortcut = QShortcut(QKeySequence(Qt.ShiftModifier + Qt.Key_Right) , self)
self.shortcut.activated.connect(self.forwardSlider10)
self.shortcut = QShortcut(QKeySequence(Qt.ShiftModifier + Qt.Key_Left) , self)
self.shortcut.activated.connect(self.backSlider10)
self.mediaPlayer.setVideoOutput(self.videoWidget)
self.mediaPlayer.stateChanged.connect(self.mediaStateChanged)
self.mediaPlayer.positionChanged.connect(self.positionChanged)
self.mediaPlayer.positionChanged.connect(self.handleLabel)
self.mediaPlayer.durationChanged.connect(self.durationChanged)
self.mediaPlayer.error.connect(self.handleError)
print("QT5 Player started")
def openFile(self):
fileName, _ = QFileDialog.getOpenFileName(self, "Open Movie",
QDir.homePath(), "Videos (*.mp4 *.ts *.avi *.mpeg *.mpg *.mkv *.VOB *.m4v)")
if fileName != '':
self.loadFilm(fileName)
print("File loaded")
def playFromURL(self):
self.mediaPlayer.pause()
clip = QApplication.clipboard()
myurl = clip.text()
if myurl.startswith("http"):
self.mediaPlayer.setMedia(QMediaContent(QUrl(myurl)))
else:
self.mediaPlayer.setMedia(QMediaContent(QUrl.fromLocalFile(myurl)))
self.playButton.setEnabled(True)
self.mediaPlayer.play()
self.hideSlider()
print(myurl)
def play(self):
if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
self.mediaPlayer.pause()
else:
self.mediaPlayer.play()
def mediaStateChanged(self, state):
if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
self.playButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaPause))
else:
self.playButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaPlay))
def positionChanged(self, position):
self.positionSlider.setValue(position)
def durationChanged(self, duration):
self.positionSlider.setRange(0, duration)
mtime = QTime(0,0,0,0)
mtime = mtime.addMSecs(self.mediaPlayer.duration())
self.elbl.setText(mtime.toString())
def setPosition(self, position):
self.mediaPlayer.setPosition(position)
def handleError(self):
self.playButton.setEnabled(False)
print("Error: " + self.mediaPlayer.errorString())
def handleQuit(self):
self.mediaPlayer.stop()
print("Goodbye ...")
app.quit()
def contextMenuRequested(self,point):
menu = QtWidgets.QMenu()
actionFile = menu.addAction("open File (o)")
actionclipboard = menu.addSeparator()
actionURL = menu.addAction("URL / File from Clipboard (u)")
actionclipboard = menu.addSeparator()
actionToggle = menu.addAction("show / hide Slider (s)")
actionFull = menu.addAction("Fullscreen (f)")
action169 = menu.addAction("16 : 9")
action43 = menu.addAction("4 : 3")
actionSep = menu.addSeparator()
actionInfo = menu.addAction("Info (i)")
action5 = menu.addSeparator()
actionQuit = menu.addAction("Exit (q)")
actionFile.triggered.connect(self.openFile)
actionQuit.triggered.connect(self.handleQuit)
actionFull.triggered.connect(self.handleFullscreen)
actionInfo.triggered.connect(self.handleInfo)
actionToggle.triggered.connect(self.toggleSlider)
actionURL.triggered.connect(self.playFromURL)
action169.triggered.connect(self.screen169)
action43.triggered.connect(self.screen43)
menu.exec_(self.mapToGlobal(point))
def wheelEvent(self,event):
mwidth = self.frameGeometry().width()
mheight = self.frameGeometry().height()
mleft = self.frameGeometry().left()
mtop = self.frameGeometry().top()
mscale = event.angleDelta().y() / 5
if self.widescreen == True:
self.setGeometry(mleft, mtop, mwidth + mscale, (mwidth + mscale) / 1.778)
else:
self.setGeometry(mleft, mtop, mwidth + mscale, (mwidth + mscale) / 1.33)
def screen169(self):
self.widescreen = True
mwidth = self.frameGeometry().width()
mheight = self.frameGeometry().height()
mleft = self.frameGeometry().left()
mtop = self.frameGeometry().top()
mratio = 1.778
self.setGeometry(mleft, mtop, mwidth, mwidth / mratio)
def screen43(self):
self.widescreen = False
mwidth = self.frameGeometry().width()
mheight = self.frameGeometry().height()
mleft = self.frameGeometry().left()
mtop = self.frameGeometry().top()
mratio = 1.33
self.setGeometry(mleft, mtop, mwidth, mwidth / mratio)
def handleFullscreen(self):
if self.windowState() & QtCore.Qt.WindowFullScreen:
self.showNormal()
print("no Fullscreen")
else:
self.showFullScreen()
print("Fullscreen entered")
def handleInfo(self):
msg = QMessageBox()
msg.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint | Qt.SplashScreen)
msg.setGeometry(self.frameGeometry().left() + 30, self.frameGeometry().top() + 30, 300, 400)
msg.setIcon(QMessageBox.Information)
msg.setText("QT5 Player")
msg.setInformativeText(self.myinfo)
msg.setStandardButtons(QMessageBox.Close)
msg.exec()
def toggleSlider(self):
if self.positionSlider.isVisible():
self.hideSlider()
else:
self.showSlider()
def hideSlider(self):
self.playButton.hide()
self.lbl.hide()
self.positionSlider.hide()
self.elbl.hide()
mwidth = self.frameGeometry().width()
mheight = self.frameGeometry().height()
mleft = self.frameGeometry().left()
mtop = self.frameGeometry().top()
if self.widescreen == True:
self.setGeometry(mleft, mtop, mwidth, mwidth / 1.778)
else:
self.setGeometry(mleft, mtop, mwidth, mwidth / 1.33)
def showSlider(self):
self.playButton.show()
self.lbl.show()
self.positionSlider.show()
self.elbl.show()
mwidth = self.frameGeometry().width()
mheight = self.frameGeometry().height()
mleft = self.frameGeometry().left()
mtop = self.frameGeometry().top()
if self.widescreen == True:
self.setGeometry(mleft, mtop, mwidth, mwidth / 1.55)
else:
self.setGeometry(mleft, mtop, mwidth, mwidth / 1.33)
def forwardSlider(self):
self.mediaPlayer.setPosition(self.mediaPlayer.position() + 1000*60)
def forwardSlider10(self):
self.mediaPlayer.setPosition(self.mediaPlayer.position() + 10000*60)
def backSlider(self):
self.mediaPlayer.setPosition(self.mediaPlayer.position() - 1000*60)
def backSlider10(self):
self.mediaPlayer.setPosition(self.mediaPlayer.position() - 10000*60)
def volumeUp(self):
self.mediaPlayer.setVolume(self.mediaPlayer.volume() + 10)
print("Volume: " + str(self.mediaPlayer.volume()))
def volumeDown(self):
self.mediaPlayer.setVolume(self.mediaPlayer.volume() - 10)
print("Volume: " + str(self.mediaPlayer.volume()))
def mouseMoveEvent(self, event):
if event.buttons() == Qt.LeftButton:
self.move(event.globalPos() \
- QPoint(self.frameGeometry().width() / 2, \
self.frameGeometry().height() / 2))
event.accept()
def dragEnterEvent(self, event):
if event.mimeData().hasUrls():
event.accept()
else:
event.ignore()
def dropEvent(self, event):
f = str(event.mimeData().urls()[0].toLocalFile())
self.loadFilm(f)
def loadFilm(self, f):
self.mediaPlayer.setMedia(QMediaContent(QUrl.fromLocalFile(f)))
self.playButton.setEnabled(True)
self.mediaPlayer.play()
print(self.mediaPlayer.media().canonicalResource().resolution())
def openFileAtStart(self, filelist):
matching = [s for s in filelist if ".myformat" in s]
if len(matching) > 0:
self.loadFilm(matching)
##################### update Label ##################################
def handleLabel(self):
self.lbl.clear()
mtime = QTime(0,0,0,0)
self.time = mtime.addMSecs(self.mediaPlayer.position())
self.lbl.setText(self.time.toString())
###################################################################
def stylesheet(self):
return """
QSlider::handle:horizontal
{
background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #333, stop:1 #555555);
width: 14px;
border-radius: 0px;
}
QSlider::groove:horizontal {
border: 1px solid #444;
height: 10px;
background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #000, stop:1 #222222);
}
QLineEdit
{
background: black;
color: #585858;
border: 0px solid #076100;
font-size: 12px;
font-weight: bold;
}
"""
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
player = VideoPlayer()
player.setAcceptDrops(True)
player.setWindowTitle("QT5 Player")
player.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint)
player.setGeometry(100, 300, 400, 290)
player.setContextMenuPolicy(QtCore.Qt.CustomContextMenu);
player.customContextMenuRequested[QtCore.QPoint].connect(player.contextMenuRequested)
player.hideSlider()
player.show()
player.widescreen = True
sys.exit(app.exec_())
add
self.lbl.setReadOnly(True)
after line 24
and
self.elbl.setReadOnly(True)
after line 29
Posts: 988
Threads: 15
Joined: Dec 2016
Updates on Github
QT5_VideoPlayer.py
Posts: 20
Threads: 2
Joined: Jan 2017
(Dec-21-2016, 11:39 AM)Axel_Erfurt Wrote: Updates on Github
QT5_VideoPlayer.py
Very Cool! thanks you for your share... though I am a bit late to do so lol Im trying to create my own tkinter based video streaming program... play m3u playlist etc! any pointers?
Posts: 988
Threads: 15
Joined: Dec 2016
Feb-02-2017, 11:37 PM
(This post was last modified: Feb-03-2017, 12:01 AM by Axel_Erfurt.)
I think for Video is PyQT better.
This is from the PyQT Examples and is exactly what you want.
#!/usr/bin/python3
#############################################################################
##
## Copyright (C) 2013 Riverbank Computing Limited.
## Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
## All rights reserved.
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
## 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 Nokia Corporation and its Subsidiary(-ies) 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."
## $QT_END_LICENSE$
##
#############################################################################
from PyQt5.QtCore import (pyqtSignal, pyqtSlot, Q_ARG, QAbstractItemModel,
QFileInfo, qFuzzyCompare, QMetaObject, QModelIndex, QObject, Qt,
QThread, QTime, QUrl)
from PyQt5.QtGui import QColor, qGray, QImage, QPainter, QPalette
from PyQt5.QtMultimedia import (QAbstractVideoBuffer, QMediaContent,
QMediaMetaData, QMediaPlayer, QMediaPlaylist, QVideoFrame, QVideoProbe)
from PyQt5.QtMultimediaWidgets import QVideoWidget
from PyQt5.QtWidgets import (QApplication, QComboBox, QDialog, QFileDialog,
QFormLayout, QHBoxLayout, QLabel, QListView, QMessageBox, QPushButton,
QSizePolicy, QSlider, QStyle, QToolButton, QVBoxLayout, QWidget)
class VideoWidget(QVideoWidget):
def __init__(self, parent=None):
super(VideoWidget, self).__init__(parent)
self.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
p = self.palette()
p.setColor(QPalette.Window, Qt.black)
self.setPalette(p)
self.setAttribute(Qt.WA_OpaquePaintEvent)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Escape and self.isFullScreen():
self.setFullScreen(False)
event.accept()
elif event.key() == Qt.Key_Enter and event.modifiers() & Qt.Key_Alt:
self.setFullScreen(not self.isFullScreen())
event.accept()
else:
super(VideoWidget, self).keyPressEvent(event)
def mouseDoubleClickEvent(self, event):
self.setFullScreen(not self.isFullScreen())
event.accept()
class PlaylistModel(QAbstractItemModel):
Title, ColumnCount = range(2)
def __init__(self, parent=None):
super(PlaylistModel, self).__init__(parent)
self.m_playlist = None
def rowCount(self, parent=QModelIndex()):
return self.m_playlist.mediaCount() if self.m_playlist is not None and not parent.isValid() else 0
def columnCount(self, parent=QModelIndex()):
return self.ColumnCount if not parent.isValid() else 0
def index(self, row, column, parent=QModelIndex()):
return self.createIndex(row, column) if self.m_playlist is not None and not parent.isValid() and row >= 0 and row < self.m_playlist.mediaCount() and column >= 0 and column < self.ColumnCount else QModelIndex()
def parent(self, child):
return QModelIndex()
def data(self, index, role=Qt.DisplayRole):
if index.isValid() and role == Qt.DisplayRole:
if index.column() == self.Title:
location = self.m_playlist.media(index.row()).canonicalUrl()
return QFileInfo(location.path()).fileName()
return self.m_data[index]
return None
def playlist(self):
return self.m_playlist
def setPlaylist(self, playlist):
if self.m_playlist is not None:
self.m_playlist.mediaAboutToBeInserted.disconnect(
self.beginInsertItems)
self.m_playlist.mediaInserted.disconnect(self.endInsertItems)
self.m_playlist.mediaAboutToBeRemoved.disconnect(
self.beginRemoveItems)
self.m_playlist.mediaRemoved.disconnect(self.endRemoveItems)
self.m_playlist.mediaChanged.disconnect(self.changeItems)
self.beginResetModel()
self.m_playlist = playlist
if self.m_playlist is not None:
self.m_playlist.mediaAboutToBeInserted.connect(
self.beginInsertItems)
self.m_playlist.mediaInserted.connect(self.endInsertItems)
self.m_playlist.mediaAboutToBeRemoved.connect(
self.beginRemoveItems)
self.m_playlist.mediaRemoved.connect(self.endRemoveItems)
self.m_playlist.mediaChanged.connect(self.changeItems)
self.endResetModel()
def beginInsertItems(self, start, end):
self.beginInsertRows(QModelIndex(), start, end)
def endInsertItems(self):
self.endInsertRows()
def beginRemoveItems(self, start, end):
self.beginRemoveRows(QModelIndex(), start, end)
def endRemoveItems(self):
self.endRemoveRows()
def changeItems(self, start, end):
self.dataChanged.emit(self.index(start, 0),
self.index(end, self.ColumnCount))
class PlayerControls(QWidget):
play = pyqtSignal()
pause = pyqtSignal()
stop = pyqtSignal()
next = pyqtSignal()
previous = pyqtSignal()
changeVolume = pyqtSignal(int)
changeMuting = pyqtSignal(bool)
changeRate = pyqtSignal(float)
def __init__(self, parent=None):
super(PlayerControls, self).__init__(parent)
self.playerState = QMediaPlayer.StoppedState
self.playerMuted = False
self.playButton = QToolButton(clicked=self.playClicked)
self.playButton.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
self.stopButton = QToolButton(clicked=self.stop)
self.stopButton.setIcon(self.style().standardIcon(QStyle.SP_MediaStop))
self.stopButton.setEnabled(False)
self.nextButton = QToolButton(clicked=self.next)
self.nextButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaSkipForward))
self.previousButton = QToolButton(clicked=self.previous)
self.previousButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaSkipBackward))
self.muteButton = QToolButton(clicked=self.muteClicked)
self.muteButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaVolume))
self.volumeSlider = QSlider(Qt.Horizontal,
sliderMoved=self.changeVolume)
self.volumeSlider.setRange(0, 100)
self.rateBox = QComboBox(activated=self.updateRate)
self.rateBox.addItem("0.5x", 0.5)
self.rateBox.addItem("1.0x", 1.0)
self.rateBox.addItem("2.0x", 2.0)
self.rateBox.setCurrentIndex(1)
layout = QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.stopButton)
layout.addWidget(self.previousButton)
layout.addWidget(self.playButton)
layout.addWidget(self.nextButton)
layout.addWidget(self.muteButton)
layout.addWidget(self.volumeSlider)
layout.addWidget(self.rateBox)
self.setLayout(layout)
def state(self):
return self.playerState
def setState(self,state):
if state != self.playerState:
self.playerState = state
if state == QMediaPlayer.StoppedState:
self.stopButton.setEnabled(False)
self.playButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaPlay))
elif state == QMediaPlayer.PlayingState:
self.stopButton.setEnabled(True)
self.playButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaPause))
elif state == QMediaPlayer.PausedState:
self.stopButton.setEnabled(True)
self.playButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaPlay))
def volume(self):
return self.volumeSlider.value()
def setVolume(self, volume):
self.volumeSlider.setValue(volume)
def isMuted(self):
return self.playerMuted
def setMuted(self, muted):
if muted != self.playerMuted:
self.playerMuted = muted
self.muteButton.setIcon(
self.style().standardIcon(
QStyle.SP_MediaVolumeMuted if muted else QStyle.SP_MediaVolume))
def playClicked(self):
if self.playerState in (QMediaPlayer.StoppedState, QMediaPlayer.PausedState):
self.play.emit()
elif self.playerState == QMediaPlayer.PlayingState:
self.pause.emit()
def muteClicked(self):
self.changeMuting.emit(not self.playerMuted)
def playbackRate(self):
return self.rateBox.itemData(self.rateBox.currentIndex())
def setPlaybackRate(self, rate):
for i in range(self.rateBox.count()):
if qFuzzyCompare(rate, self.rateBox.itemData(i)):
self.rateBox.setCurrentIndex(i)
return
self.rateBox.addItem("%dx" % rate, rate)
self.rateBox.setCurrentIndex(self.rateBox.count() - 1)
def updateRate(self):
self.changeRate.emit(self.playbackRate())
class FrameProcessor(QObject):
histogramReady = pyqtSignal(list)
@pyqtSlot(QVideoFrame, int)
def processFrame(self, frame, levels):
histogram = [0.0] * levels
if levels and frame.map(QAbstractVideoBuffer.ReadOnly):
pixelFormat = frame.pixelFormat()
if pixelFormat == QVideoFrame.Format_YUV420P or pixelFormat == QVideoFrame.Format_NV12:
# Process YUV data.
bits = frame.bits()
for idx in range(frame.height() * frame.width()):
histogram[(bits[idx] * levels) >> 8] += 1.0
else:
imageFormat = QVideoFrame.imageFormatFromPixelFormat(pixelFormat)
if imageFormat != QImage.Format_Invalid:
# Process RGB data.
image = QImage(frame.bits(), frame.width(), frame.height(), imageFormat)
for y in range(image.height()):
for x in range(image.width()):
pixel = image.pixel(x, y)
histogram[(qGray(pixel) * levels) >> 8] += 1.0
# Find the maximum value.
maxValue = 0.0
for value in histogram:
if value > maxValue:
maxValue = value
# Normalise the values between 0 and 1.
if maxValue > 0.0:
for i in range(len(histogram)):
histogram[i] /= maxValue
frame.unmap()
self.histogramReady.emit(histogram)
class HistogramWidget(QWidget):
def __init__(self, parent=None):
super(HistogramWidget, self).__init__(parent)
self.m_levels = 128
self.m_isBusy = False
self.m_histogram = []
self.m_processor = FrameProcessor()
self.m_processorThread = QThread()
self.m_processor.moveToThread(self.m_processorThread)
self.m_processor.histogramReady.connect(self.setHistogram)
def __del__(self):
self.m_processorThread.quit()
self.m_processorThread.wait(10000)
def setLevels(self, levels):
self.m_levels = levels
def processFrame(self, frame):
if self.m_isBusy:
return
self.m_isBusy = True
QMetaObject.invokeMethod(self.m_processor, 'processFrame',
Qt.QueuedConnection, Q_ARG(QVideoFrame, frame),
Q_ARG(int, self.m_levels))
@pyqtSlot(list)
def setHistogram(self, histogram):
self.m_isBusy = False
self.m_histogram = list(histogram)
self.update()
def paintEvent(self, event):
painter = QPainter(self)
if len(self.m_histogram) == 0:
painter.fillRect(0, 0, self.width(), self.height(),
QColor.fromRgb(0, 0, 0))
return
barWidth = self.width() / float(len(self.m_histogram))
for i, value in enumerate(self.m_histogram):
h = value * self.height()
# Draw the level.
painter.fillRect(barWidth * i, self.height() - h,
barWidth * (i + 1), self.height(), Qt.red)
# Clear the rest of the control.
painter.fillRect(barWidth * i, 0, barWidth * (i + 1),
self.height() - h, Qt.black)
class Player(QWidget):
fullScreenChanged = pyqtSignal(bool)
def __init__(self, playlist, parent=None):
super(Player, self).__init__(parent)
self.colorDialog = None
self.trackInfo = ""
self.statusInfo = ""
self.duration = 0
self.player = QMediaPlayer()
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
self.player.durationChanged.connect(self.durationChanged)
self.player.positionChanged.connect(self.positionChanged)
self.player.metaDataChanged.connect(self.metaDataChanged)
self.playlist.currentIndexChanged.connect(self.playlistPositionChanged)
self.player.mediaStatusChanged.connect(self.statusChanged)
self.player.bufferStatusChanged.connect(self.bufferingProgress)
self.player.videoAvailableChanged.connect(self.videoAvailableChanged)
self.player.error.connect(self.displayErrorMessage)
self.videoWidget = VideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.playlistModel = PlaylistModel()
self.playlistModel.setPlaylist(self.playlist)
self.playlistView = QListView()
self.playlistView.setModel(self.playlistModel)
self.playlistView.setCurrentIndex(
self.playlistModel.index(self.playlist.currentIndex(), 0))
self.playlistView.activated.connect(self.jump)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.player.duration() / 1000)
self.labelDuration = QLabel()
self.slider.sliderMoved.connect(self.seek)
self.labelHistogram = QLabel()
self.labelHistogram.setText("Histogram:")
self.histogram = HistogramWidget()
histogramLayout = QHBoxLayout()
histogramLayout.addWidget(self.labelHistogram)
histogramLayout.addWidget(self.histogram, 1)
self.probe = QVideoProbe()
self.probe.videoFrameProbed.connect(self.histogram.processFrame)
self.probe.setSource(self.player)
openButton = QPushButton("Open", clicked=self.open)
controls = PlayerControls()
controls.setState(self.player.state())
controls.setVolume(self.player.volume())
controls.setMuted(controls.isMuted())
controls.play.connect(self.player.play)
controls.pause.connect(self.player.pause)
controls.stop.connect(self.player.stop)
controls.next.connect(self.playlist.next)
controls.previous.connect(self.previousClicked)
controls.changeVolume.connect(self.player.setVolume)
controls.changeMuting.connect(self.player.setMuted)
controls.changeRate.connect(self.player.setPlaybackRate)
controls.stop.connect(self.videoWidget.update)
self.player.stateChanged.connect(controls.setState)
self.player.volumeChanged.connect(controls.setVolume)
self.player.mutedChanged.connect(controls.setMuted)
self.fullScreenButton = QPushButton("FullScreen")
self.fullScreenButton.setCheckable(True)
self.colorButton = QPushButton("Color Options...")
self.colorButton.setEnabled(False)
self.colorButton.clicked.connect(self.showColorDialog)
displayLayout = QHBoxLayout()
displayLayout.addWidget(self.videoWidget, 2)
displayLayout.addWidget(self.playlistView)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(openButton)
controlLayout.addStretch(1)
controlLayout.addWidget(controls)
controlLayout.addStretch(1)
controlLayout.addWidget(self.fullScreenButton)
controlLayout.addWidget(self.colorButton)
layout = QVBoxLayout()
layout.addLayout(displayLayout)
hLayout = QHBoxLayout()
hLayout.addWidget(self.slider)
hLayout.addWidget(self.labelDuration)
layout.addLayout(hLayout)
layout.addLayout(controlLayout)
layout.addLayout(histogramLayout)
self.setLayout(layout)
if not self.player.isAvailable():
QMessageBox.warning(self, "Service not available",
"The QMediaPlayer object does not have a valid service.\n"
"Please check the media service plugins are installed.")
controls.setEnabled(False)
self.playlistView.setEnabled(False)
openButton.setEnabled(False)
self.colorButton.setEnabled(False)
self.fullScreenButton.setEnabled(False)
self.metaDataChanged()
self.addToPlaylist(playlist)
def open(self):
fileNames, _ = QFileDialog.getOpenFileNames(self, "Open Files")
self.addToPlaylist(fileNames)
def addToPlaylist(self, fileNames):
for name in fileNames:
fileInfo = QFileInfo(name)
if fileInfo.exists():
url = QUrl.fromLocalFile(fileInfo.absoluteFilePath())
if fileInfo.suffix().lower() == 'm3u':
self.playlist.load(url)
else:
self.playlist.addMedia(QMediaContent(url))
else:
url = QUrl(name)
if url.isValid():
self.playlist.addMedia(QMediaContent(url))
def durationChanged(self, duration):
duration /= 1000
self.duration = duration
self.slider.setMaximum(duration)
def positionChanged(self, progress):
progress /= 1000
if not self.slider.isSliderDown():
self.slider.setValue(progress)
self.updateDurationInfo(progress)
def metaDataChanged(self):
if self.player.isMetaDataAvailable():
self.setTrackInfo("%s - %s" % (
self.player.metaData(QMediaMetaData.AlbumArtist),
self.player.metaData(QMediaMetaData.Title)))
def previousClicked(self):
# Go to the 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:
self.player.setPosition(0)
def jump(self, index):
if index.isValid():
self.playlist.setCurrentIndex(index.row())
self.player.play()
def playlistPositionChanged(self, position):
self.playlistView.setCurrentIndex(
self.playlistModel.index(position, 0))
def seek(self, seconds):
self.player.setPosition(seconds * 1000)
def statusChanged(self, status):
self.handleCursor(status)
if status == QMediaPlayer.LoadingMedia:
self.setStatusInfo("Loading...")
elif status == QMediaPlayer.StalledMedia:
self.setStatusInfo("Media Stalled")
elif status == QMediaPlayer.EndOfMedia:
QApplication.alert(self)
elif status == QMediaPlayer.InvalidMedia:
self.displayErrorMessage()
else:
self.setStatusInfo("")
def handleCursor(self, status):
if status in (QMediaPlayer.LoadingMedia, QMediaPlayer.BufferingMedia, QMediaPlayer.StalledMedia):
self.setCursor(Qt.BusyCursor)
else:
self.unsetCursor()
def bufferingProgress(self, progress):
self.setStatusInfo("Buffering %d%" % progress)
def videoAvailableChanged(self, available):
if available:
self.fullScreenButton.clicked.connect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.connect(
self.fullScreenButton.setChecked)
if self.fullScreenButton.isChecked():
self.videoWidget.setFullScreen(True)
else:
self.fullScreenButton.clicked.disconnect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.disconnect(
self.fullScreenButton.setChecked)
self.videoWidget.setFullScreen(False)
self.colorButton.setEnabled(available)
def setTrackInfo(self, info):
self.trackInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def setStatusInfo(self, info):
self.statusInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def displayErrorMessage(self):
self.setStatusInfo(self.player.errorString())
def updateDurationInfo(self, currentInfo):
duration = self.duration
if currentInfo or duration:
currentTime = QTime((currentInfo/3600)%60, (currentInfo/60)%60,
currentInfo%60, (currentInfo*1000)%1000)
totalTime = QTime((duration/3600)%60, (duration/60)%60,
duration%60, (duration*1000)%1000);
format = 'hh:mm:ss' if duration > 3600 else 'mm:ss'
tStr = currentTime.toString(format) + " / " + totalTime.toString(format)
else:
tStr = ""
self.labelDuration.setText(tStr)
def showColorDialog(self):
if self.colorDialog is None:
brightnessSlider = QSlider(Qt.Horizontal)
brightnessSlider.setRange(-100, 100)
brightnessSlider.setValue(self.videoWidget.brightness())
brightnessSlider.sliderMoved.connect(
self.videoWidget.setBrightness)
self.videoWidget.brightnessChanged.connect(
brightnessSlider.setValue)
contrastSlider = QSlider(Qt.Horizontal)
contrastSlider.setRange(-100, 100)
contrastSlider.setValue(self.videoWidget.contrast())
contrastSlider.sliderMoved.connect(self.videoWidget.setContrast)
self.videoWidget.contrastChanged.connect(contrastSlider.setValue)
hueSlider = QSlider(Qt.Horizontal)
hueSlider.setRange(-100, 100)
hueSlider.setValue(self.videoWidget.hue())
hueSlider.sliderMoved.connect(self.videoWidget.setHue)
self.videoWidget.hueChanged.connect(hueSlider.setValue)
saturationSlider = QSlider(Qt.Horizontal)
saturationSlider.setRange(-100, 100)
saturationSlider.setValue(self.videoWidget.saturation())
saturationSlider.sliderMoved.connect(
self.videoWidget.setSaturation)
self.videoWidget.saturationChanged.connect(
saturationSlider.setValue)
layout = QFormLayout()
layout.addRow("Brightness", brightnessSlider)
layout.addRow("Contrast", contrastSlider)
layout.addRow("Hue", hueSlider)
layout.addRow("Saturation", saturationSlider)
button = QPushButton("Close")
layout.addRow(button)
self.colorDialog = QDialog(self)
self.colorDialog.setWindowTitle("Color Options")
self.colorDialog.setLayout(layout)
button.clicked.connect(self.colorDialog.close)
self.colorDialog.show()
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
player = Player(sys.argv[1:])
player.show()
sys.exit(app.exec_())
to play a video in Tkinter/tkinter you can use something like this (change the path to the video)
import sys
import os
if sys.version_info[0] < 3:
import Tkinter as tkinter
else:
import tkinter
import gi
gi.require_version('Gst', '1.0')
from gi.repository import Gst, GObject
gi.require_version('GstVideo', '1.0')
from gi.repository import GstVideo
def set_frame_handle(v_bus, message, frame_id):
if not message.get_structure() is None:
if message.get_structure().get_name() == 'prepare-window-handle':
display_frame = message.src
display_frame.set_property('force-aspect-ratio', True)
display_frame.set_window_handle(frame_id)
window = tkinter.Tk()
window.title("Video Player")
window.geometry('640x380')
Gst.init(None)
GObject.threads_init()
display_frame = tkinter.Frame(window, bg='')
display_frame.place(relx = 0, rely = 0,
anchor = tkinter.NW, relwidth = 1, relheight = 1)
frame_id = display_frame.winfo_id()
player = Gst.ElementFactory.make('playbin', None)
player.set_property('uri', 'file:///myfolder/mymovie.mp4') # path here
player.set_state(Gst.State.PLAYING)
v_bus = player.get_bus()
v_bus.enable_sync_message_emission()
v_bus.connect('sync-message::element', set_frame_handle, frame_id)
window.mainloop()
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