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VlcPlayer.py
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VlcPlayer.py
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''' code to create VlcPlayer class '''
import sys
import os.path
import os
from packages.libvlc import vlc
from PyQt4 import QtCore, QtGui
from math import floor
from Qt_Designer_files.main_design import Ui_MainWindow
from Qt_Designer_files.specificTimeDialog_design import Ui_Dialog
from playlist import Playlist
import pysrt
import threading
class VlcPlayer(QtGui.QMainWindow):
resized = QtCore.pyqtSignal()
def __init__(self,param_app, parent=None):
super(VlcPlayer, self).__init__(parent=parent)
self.window = Ui_MainWindow() # create media player UI
self.window.setupUi(self)
self.resized.connect(self.windowResized)
# creating a basic vlc instance
self.vlcInstance = vlc.Instance()
# creating an empty vlc media player
self.mediaPlayer = self.vlcInstance.media_player_new()
self.playlist = Playlist() # create Playlist instance
self.timer = QtCore.QTimer()
self.timer.setInterval(200)
self.isPaused = False
self.isFullscreen = False
self.subs = None
self.setUI()
self.dialog=QtGui.QDialog()
self.dialog.window=Ui_Dialog()
self.dialog.window.setupUi(self.dialog)
self.dialog.window.reset.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/refresh.svg')))
self.dialog.window.reset.setIconSize(QtCore.QSize(30,30))
self.dialog.window.reset.setStyleSheet('background-color:transparent;border-radius:5em;')
self.app = param_app
self.window.volumeBar.setValue(50)
self.setVolume(50)
self.window.mediaView.setMouseTracking(True)
self.window.mediaView.installEventFilter(self)
self.hoverTimer=QtCore.QTimer()
self.hoverTimer.setInterval(2000)
self.window.controlView.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
self.window.seekBar.installEventFilter(self)
self.window.volumeBar.installEventFilter(self)
self.connectControllers()
font = QtGui.QFont()
font.setPointSize(12)
self.window.subtitle.setFont(font)
def resizeEvent(self, event):
self.resized.emit()
return super(VlcPlayer, self).resizeEvent(event)
def windowResized(self):
cvHeight = 130
mvMinHeight = 200
self.window.subtitle.setAlignment(QtCore.Qt.AlignCenter | QtCore.Qt.AlignVCenter)
if self.isFullScreen() == False:
self.window.mediaView.setGeometry(QtCore.QRect(0, 0, self.width(), self.height()-25-cvHeight))
self.window.controlView.setGeometry(QtCore.QRect(0,self.window.mediaView.height(), self.width(), cvHeight))
self.window.subtitle.setGeometry(QtCore.QRect(0, self.window.mediaView.height()-25, self.width(), 25))
else :
self.window.subtitle.setGeometry(QtCore.QRect(0, self.window.mediaView.height()-25, self.width(), 25))
self.window.controlView.setGeometry(QtCore.QRect(0,self.window.mediaView.height()-cvHeight, self.width(), cvHeight))
# functions are connected with corresponding buttons of UI
def connectControllers(self):
self.connect(self.window.actionOpen_File, QtCore.SIGNAL("triggered()"), self.OpenFile)
self.connect(self.window.actionOpen_Multiple_Files, QtCore.SIGNAL("triggered()"), self.OpenMultipleFiles)
self.connect(self.window.actionExit, QtCore.SIGNAL("triggered()"), sys.exit)
self.connect(self.timer, QtCore.SIGNAL("timeout()"),self.updateUI)
self.connect(self.hoverTimer, QtCore.SIGNAL("timeout()"),self.hideControls)
self.connect(self.window.seekBar,QtCore.SIGNAL("sliderMoved(int)"),self.setSeekPosition)
self.connect(self.window.playState, QtCore.SIGNAL("clicked()"),self.setPlayPause)
self.connect(self.window.next, QtCore.SIGNAL("clicked()"),self.setNext)
self.connect(self.window.previous, QtCore.SIGNAL("clicked()"),self.setPrevious)
self.connect(self.window.fullscreenButton, QtCore.SIGNAL("clicked()"),self.toggleFullscreen)
self.connect(self.window.volumeBar,QtCore.SIGNAL("valueChanged(int)"),self.setVolume)
self.connect(self.window.playlistButton,QtCore.SIGNAL("clicked()"),self.showPlaylist)
self.connect(self.window.stopButton,QtCore.SIGNAL("clicked()"),self.stopPlayer)
self.connect(self.window.muteButton,QtCore.SIGNAL("clicked()"),self.toggleMute)
self.connect(self.window.actionX0_5,QtCore.SIGNAL("triggered()"),lambda rate=0.5: self.mediaPlayer.set_rate(rate))
self.connect(self.window.actionX_1,QtCore.SIGNAL("triggered()"),lambda rate=1: self.mediaPlayer.set_rate(rate))
self.connect(self.window.actionX_2,QtCore.SIGNAL("triggered()"),lambda rate=2: self.mediaPlayer.set_rate(rate))
self.connect(self.window.actionX_4,QtCore.SIGNAL("triggered()"),lambda rate=4: self.mediaPlayer.set_rate(rate))
self.connect(self.window.actionX_8,QtCore.SIGNAL("triggered()"),lambda rate=8: self.mediaPlayer.set_rate(rate))
self.connect(self.window.actionJump_Forward,QtCore.SIGNAL("triggered()"),self.jumpForward)
self.connect(self.window.actionJump_Backward,QtCore.SIGNAL("triggered()"),self.jumpBackward)
self.connect(self.window.actionMute,QtCore.SIGNAL("triggered()"),self.toggleMute)
self.connect(self.window.actionFullscreen,QtCore.SIGNAL("triggered()"),self.toggleFullscreen)
self.connect(self.window.actionPlay,QtCore.SIGNAL("triggered()"),self.setPlayPause)
self.connect(self.window.actionStop,QtCore.SIGNAL("triggered()"),self.stopPlayer)
self.connect(self.window.actionPrevious,QtCore.SIGNAL("triggered()"),self.setPrevious)
self.connect(self.window.actionNext,QtCore.SIGNAL("triggered()"),self.setNext)
self.connect(self.window.actionAdd_Subtitle_File,QtCore.SIGNAL("triggered()"),self.addSubtitle)
self.connect(self.window.actionJump_to_specific_time,QtCore.SIGNAL("triggered()"),self.jumpToSpecificTime)
self.connect(self.window.actionAdd_Subtitle_Track,QtCore.SIGNAL("triggered()"),self.addSubtitle)
self.connect(self.window.actionShift_forward_by_1_second,QtCore.SIGNAL("triggered()"),lambda : self.subs.shift(milliseconds=1000))
self.connect(self.window.actionShift_backward_by_1_second,QtCore.SIGNAL("triggered()"),lambda : self.subs.shift(milliseconds=-1000))
# shortcuts for media player
def keyPressEvent(self,event):
if self.isFullScreen() and event.key()==QtCore.Qt.Key_Escape:
self.showMaximized()
self.window.menubar.show()
self.window.centralwidget.setStyleSheet("")
self.window.controlView.show()
if event.key()==QtCore.Qt.Key_F:
self.toggleFullscreen()
if event.key()==QtCore.Qt.Key_M:
self.toggleMute()
if event.key()==QtCore.Qt.Key_H:
self.subs.shift(milliseconds=1000)
if event.key()==QtCore.Qt.Key_M:
self.subs.shift(milliseconds=-1000)
if event.key()==QtCore.Qt.Key_Space:
self.setPlayPause()
def mouseDoubleClickEvent(self,event):
if self.isFullScreen()==False:
self.showFullScreen()
self.window.controlView.hide()
self.window.menubar.hide()
scr_res = self.app.desktop().screenGeometry()
self.window.mediaView.setGeometry(QtCore.QRect(0, 0, scr_res.width(), scr_res.height()))
else:
self.showMaximized()
self.window.controlView.show()
self.window.menubar.show()
def hideControls(self):
if self.isFullScreen():
self.window.controlView.hide()
self.hoverTimer.stop()
def eventFilter(self,source,event):
# event filters for different objects
# filter for sensing hovering when fullscreen
if event.type() == QtCore.QEvent.MouseMove and self.isFullScreen() and source==self.window.mediaView:
self.window.controlView.show()
self.hoverTimer.start()
return 0
# filter for jumping seekbar to certain position on click
elif event.type() == QtCore.QEvent.MouseButtonPress and source==self.window.seekBar:
self.window.seekBar.setValue(event.x() * 1000 / self.window.seekBar.width())
self.setSeekPosition(event.x() * 1000 / self.window.seekBar.width())
return 0
# filter for jumping volumebar to certain position on click
elif event.type() == QtCore.QEvent.MouseButtonPress and source==self.window.volumeBar :
self.window.volumeBar.setValue(event.x() * 100 / self.window.volumeBar.width())
return 0
else:
return 0
# play next media from medialist
def setNext(self) :
pos=self.playlist.mediaList.index_of_item(self.mediaPlayer.get_media())
if pos!= self.playlist.mediaList.count()-1 and self.playlist.window.mediaList.dragDropMode()!=QtGui.QAbstractItemView.InternalMove:
self.media=self.playlist.mediaList.item_at_index(pos+1)
self.setMedia(self.media)
else:
return
# play previous media from medialist
def setPrevious(self) :
pos=self.playlist.mediaList.index_of_item(self.mediaPlayer.get_media())
if pos!= 0 and self.playlist.window.mediaList.dragDropMode()!=QtGui.QAbstractItemView.InternalMove:
self.media=self.playlist.mediaList.item_at_index(pos-1)
self.setMedia(self.media)
else:
return
def toggleFullscreen(self):
if self.isFullScreen()==False:
self.showFullScreen()
self.window.controlView.hide()
self.window.menubar.hide()
scr_res = self.app.desktop().screenGeometry();
self.window.mediaView.setGeometry(QtCore.QRect(0, 0, scr_res.width(), scr_res.height()))
else:
self.showMaximized()
self.window.controlView.show()
self.window.menubar.show()
def setUI(self):
self.window.mediaView.setStyleSheet('background-color:black;border-radius:1px;')
self.window.controlView.setStyleSheet('background-color:white;')
self.window.playState.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/play.svg')))
self.window.playState.setIconSize(QtCore.QSize(50,50))
self.window.playState.setStyleSheet ('background-color:transparent; border-radius:5em;')
self.window.previous.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/previous.svg')))
self.window.previous.setIconSize(QtCore.QSize(40,40))
self.window.previous.setStyleSheet ('background-color:transparent; border-radius:5em;')
self.window.next.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/next.svg')))
self.window.next.setIconSize(QtCore.QSize(40,40))
self.window.next.setStyleSheet ('background-color:transparent; border-radius:5em;')
self.window.fullscreenButton.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/fullscreen.svg')))
self.window.fullscreenButton.setIconSize(QtCore.QSize(20,20))
self.window.fullscreenButton.setStyleSheet ('background-color:transparent; border-radius:5em;')
self.window.playlistButton.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/playlist.svg')))
self.window.playlistButton.setIconSize(QtCore.QSize(30,30))
self.window.playlistButton.setStyleSheet ('background-color:transparent; border-radius:5em;')
self.window.stopButton.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/stop.svg')))
self.window.stopButton.setIconSize(QtCore.QSize(30,30))
self.window.stopButton.setStyleSheet ('background-color:transparent; border-radius:5em;')
self.window.seekBar.setMaximum(1000)
self.window.volumeBar.setMaximum(100)
if sys.platform.startswith('linux'): # for Linux using the X Server
self.mediaPlayer.set_xwindow(self.window.mediaView.winId())
elif sys.platform == "win32": # for Windows
self.mediaPlayer.set_hwnd(self.window.mediaView.winId())
elif sys.platform == "darwin": # for MacOS
self.mediaPlayer.set_nsobject(self.window.mediaView.winId())
def setSeekPosition(self, position):
self.mediaPlayer.set_position(position / 1000.0)
def setPlayPause(self):
if self.mediaPlayer.is_playing():
self.mediaPlayer.pause()
self.window.playState.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/play.svg')))
self.isPaused = True
else:
if self.mediaPlayer.play() == -1 :
self.OpenFile()
return
self.mediaPlayer.play()
self.window.playState.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/pause.svg')))
self.timer.start()
self.isPaused = False
def setVolume(self, volume):
# here the factor is multiplied with 2, hence the volume is out of 200%
self.mediaPlayer.audio_set_volume(volume*2)
self.window.muteButton.setIconSize(QtCore.QSize(25,25))
self.window.muteButton.setStyleSheet ('background-color:transparent; border-radius:5em;')
# change button icon according to volume level
if volume==0:
self.window.muteButton.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/volume-off.svg')))
elif volume>0 and volume<=50:
self.window.muteButton.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/volume-medium.svg')))
elif volume>50 and volume<=100:
self.window.muteButton.setIcon(QtGui.QIcon(os.path.join(os.path.dirname(__file__),'icons/svg/IconSet2/volume-high.svg')))
def setMedia(self,media):
# parse, set title, media, play state
media.parse()
self.setWindowTitle(media.get_meta(0))
self.mediaPlayer.set_media(media)
if sys.platform.startswith('linux'): # for Linux using the X Server
self.mediaPlayer.set_xwindow(self.window.mediaView.winId())
elif sys.platform == "win32": # for Windows
self.mediaPlayer.set_hwnd(self.window.mediaView.winId())
elif sys.platform == "darwin": # for MacOS
self.mediaPlayer.set_nsobject(self.window.mediaView.winId())
self.playlist.setNowPlaying(media)
self.setPlayPause()
self.mediaPlayer.play()
# adds file to playlist and plays it
def OpenFile(self,filename = None):
if filename is None:
filename = QtGui.QFileDialog.getOpenFileName(self, "Open File", os.path.expanduser('~'))
if not filename:
return
if sys.version < '3':
filename = unicode(filename)
self.media=self.playlist.setSingleFile(filename)
self.setMedia(self.media)
# adds multiple media files to playlist and plays the last one
def OpenMultipleFiles(self,filenames = None):
if filenames is None:
filenames = QtGui.QFileDialog.getOpenFileNames(self, "Open File", os.path.expanduser('~'))
if not filenames:
return
if sys.version < '3':
for i in range(0,len(filenames),1) :
filenames[i] = unicode(filenames[i])
self.media=self.playlist.setMultipleFiles(filenames)
self.setMedia(self.media)
def stringTimeFormat(self, time):
strng = "00:00:00"
if time<0 :
return strng
hr = floor((time/3600)/1000)
mnt = floor((time - hr*1000*3600)/60000)
sec = floor((time - hr*3600*1000 - mnt*60*1000)/1000)
strHr = str(hr)
strMnt = str(mnt)
strSec = str(sec)
if hr<10 :
strHr = "0" + strHr
if mnt<10 :
strMnt = "0" + strMnt
if sec<10 :
strSec = "0" + strSec
strng = strHr + ":" + strMnt + ":" + strSec
return strng
def updateUI(self):
# runs every sec
# setting the slider to the desired position
self.window.seekBar.setValue(self.mediaPlayer.get_position() * 1000)
if not self.mediaPlayer.is_playing():
# no need to call this function if nothing is played
self.timer.stop()
if not self.isPaused:
# after the video finished, the play button stills shows
# "Pause", not the desired behavior of a media player
# this will fix it
self.mediaPlayer.stop()
self.window.playState.setIcon(QtGui.QIcon('icons/svg/IconSet2/play.svg'))
self.window.timeDone.setText(self.stringTimeFormat(int(self.media.get_duration() * self.mediaPlayer.get_position())))
self.window.timeLeft.setText(self.stringTimeFormat(self.media.get_duration()))
if(self.subs):
self.displaySubtitle()
# show playlist dialog
def showPlaylist(self):
self.playlist.show()
self.playlist.connect(self.playlist.window.listAdd,QtCore.SIGNAL("clicked()"),self.addtoPlaylist)
self.playlist.connect(self.playlist.window.listRemove,QtCore.SIGNAL("clicked()"),self.removeFromPlaylist)
self.playlist.window.mediaList.itemDoubleClicked.connect(self.playMedia)
# just adds files to playlist. Doesn't play any file
def addtoPlaylist(self,filenames=None):
if filenames is None:
filenames = QtGui.QFileDialog.getOpenFileNames(self, "Open File", os.path.expanduser('~'))
if not filenames:
return
if sys.version < '3':
for i in range(0,len(filenames),1) :
filenames[i] = unicode(filenames[i])
if self.mediaPlayer.get_media()==None:
self.media=self.playlist.setMultipleFiles(filenames)
self.setMedia(self.media)
else:
self.playlist.setMultipleFiles(filenames)
self.playlist.setNowPlaying(self.media)
# remove multiple files except currently playing
def removeFromPlaylist(self):
if self.playlist.window.mediaList.dragDropMode()!=QtGui.QAbstractItemView.InternalMove:
items=self.playlist.window.mediaList.selectedItems()
for item in items:
if self.mediaPlayer.get_media().get_meta(0)==item.text():
continue
else:
self.playlist.mediaList.remove_index(self.playlist.window.mediaList.row(item))
self.playlist.updatePlaylistUi()
self.playlist.setNowPlaying(self.media)
else:
return
# connected to double click on item in playlist UI. Plays double clicked file.
def playMedia(self,item):
if self.playlist.window.mediaList.dragDropMode()!=QtGui.QAbstractItemView.InternalMove:
self.media=self.playlist.itemToMedia(item)
self.setMedia(self.media)
else:
return
def stopPlayer(self):
self.mediaPlayer.stop()
def toggleMute(self):
if self.mediaPlayer.audio_get_volume()!=0:
self.setVolume(0)
self.window.volumeBar.setValue(0)
else:
self.setVolume(50)
self.window.volumeBar.setValue(50)
# following three functions are used to jump
def jumpForward(self):
self.mediaPlayer.set_time(self.mediaPlayer.get_time()+10000)
self.updateUI()
def jumpBackward(self):
self.mediaPlayer.set_time(self.mediaPlayer.get_time()-10000)
self.updateUI()
def jumpToSpecificTime(self):
self.resetValues()
self.dialog.show()
self.dialog.window.goButton.clicked.connect(self.goToTime)
self.dialog.window.reset.clicked.connect(self.resetValues)
def goToTime(self):
time=(self.dialog.window.hours.value()*3600+self.dialog.window.minutes.value()*60+self.dialog.window.seconds.value())*1000
if time<=self.mediaPlayer.get_length():
self.mediaPlayer.set_time(time)
self.updateUI()
self.dialog.close()
else:
self.mediaPlayer.set_time(self.mediaPlayer.get_length())
self.updateUI()
self.dialog.close()
def resetValues(self):
self.dialog.window.hours.setValue(0)
self.dialog.window.minutes.setValue(0)
self.dialog.window.seconds.setValue(0)
# function to display subtitles
def displaySubtitle(self):
pos = int(self.media.get_duration() * self.mediaPlayer.get_position())
hr = floor((pos/3600)/1000)
mnt = floor((pos - hr*1000*3600)/60000)
sec = floor((pos - hr*3600*1000 - mnt*60*1000)/1000)
subItem = self.subs[0]
if (subItem.start.seconds == sec) & (subItem.start.hours == hr) & (subItem.start.minutes == mnt) :
self.window.subtitle.setText(subItem.text)
self.subs.remove(subItem)
subItem = self.subs[0]
def addSubtitle(self):
subsFile = QtGui.QFileDialog.getOpenFileName(self, "Open File", os.path.expanduser('~'))
if not subsFile:
return
if sys.version < '3':
subsFile = unicode(subsFile)
self.subs = pysrt.open(subsFile)