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Synchronize.py
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Synchronize.py
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# Copyright (C) 2008 - 2015 The Board of Regents of the University of Wisconsin System
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
""" This unit handles the synchrnonization of media files. """
__author__ = 'David Woods <dwoods@wcer.wisc.edu>'
DEBUG = False
if DEBUG:
print "Synchronize DEBUG is ENABLED!!"
# Import Python modules
import os
import pickle
import sys
import time
# Import wxPython
import wx
# Import Transana Dialogs
import Dialogs
# Import Transana's Graphics Control Class for making the waveforms
import GraphicsControlClass
# Import Transana's Miscellaneous module for time formatting functions
import Misc
# Import Transana's Globals
import TransanaGlobal
# Import Transana's Images
import TransanaImages
# Import the Video Player module
import video_player
# Import Transana's module for creating Waveform Graphics
import WaveformGraphic
# Import Transana's Waveform (Audio Extraction) Progress Dialog
import WaveformProgress
class Synchronize(wx.Dialog):
""" This tool assists in synchronizing media files. """
def __init__(self, parent, filename1, filename2, offset=0):
# Signal that the screen has not yet been built, which will disable some methods that interfere with
# creating the dialog initially.
self.windowBuilt = False
# This form requires a minimum resolution of 1024 x 768. It just doesn't fit at 800 x 600.
if wx.Display(TransanaGlobal.configData.primaryScreen).GetClientArea()[3] < 650: # wx.ClientDisplayRect()
msg = _('This form requires a screen resolution of 1024 x 768 or higher.')
dlg = Dialogs.ErrorDialog(parent, msg)
dlg.ShowModal()
return
# Remember the original offset
self.offset = offset
# Initialize a Dialog Box
wx.Dialog.__init__(self, parent, -1, _("Synchronize Media Files"), size = (880, 640),
style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER)
# Freeze the dialog. This prevents screen updates, speeding up the creation process.
self.Freeze()
displayRect = wx.Display(TransanaGlobal.configData.primaryScreen).GetClientArea()
# Set the initial size as the minimum size.
minX = min(self.GetSize()[0], int(0.9 * displayRect[2])) # wx.ClientDisplayRect()
minY = min(self.GetSize()[1], int(0.9 * displayRect[3])) # wx.ClientDisplayRect()
self.SetSizeHints(minX, minY, int(0.9 * displayRect[2]), int(0.9 * displayRect[3])) # wx.ClientDisplayRect()
# With wxPython 2.9.4.0, panels get assigned a minimum size below which they try not to shrink
# when the frame shrinks. This was making the video files become different sizes when smaller
# than their original size (or perhaps below 320 x 240). This fixes that.
self.SetMinSize((10, 10))
# Set the background to White
self.SetBackgroundColour(wx.WHITE)
# The Video Player widget expects a Control Object. We don't need a full-blown Control Object here. That would
# interfere with the rest of Transana. So we'll create a minimal, local Control Object.
self.ControlObject = SynchronizeControlObject(self)
# In order to be able to correctly trap keypress events, we need to place all controls on a Panel on the dialog.
# First, create a sizer for the panel
pnlSizer = wx.BoxSizer(wx.VERTICAL)
# Now create the panel, which wants character input. Everything else should go on this panel.
self.pnl = wx.Panel(self, -1, style=wx.WANTS_CHARS)
# Place the panel on the panel sizer.
pnlSizer.Add(self.pnl, 1, wx.EXPAND | wx.ALL, 0)
# Initialize the Media Player windows to None
self.mp1 = None
self.mp2 = None
# initialize the Waveform Zoom level to 30K, showing about a 30 second segment of video
self.waveformSpan = 29000.0
# Initialize video positions based on starting offset. Add 15 seconds to both so the waveform cursor can be centered in the waveform.
if offset > 0:
self.pos1 = offset + 15000
self.pos2 = 15000
else:
self.pos1 = 15000
self.pos2 = abs(offset) + 15000
# Create a main Box Sizer to contain everything.
mainBoxSizer = wx.BoxSizer(wx.VERTICAL)
# Create a new Horizontal sizer
hSizer = wx.BoxSizer(wx.HORIZONTAL)
# Add a spacer
hSizer.Add((10, 1), 0)
# Add a vertical sizer for the first media player
vSizer = wx.BoxSizer(wx.VERTICAL)
# Add the first file name
txt = wx.StaticText(self.pnl, -1, filename1)
# Add this to the media player vertical sizer
vSizer.Add(txt, 0, wx.BOTTOM, 5)
# Create the first media player
self.mp1 = video_player.VideoPlayer(self, size=(360, 240), playerNum=1, formPar=self.pnl)
# Load the first file into the first media player.
self.mp1.SetFilename(filename1, offset=self.pos1)
# Check for File Not Found, and quit if it's not
if self.mp1.FileName == "":
return
# Add the media player to the vertical sizer
vSizer.Add(self.mp1, 8, wx.ALIGN_CENTER | wx.EXPAND, 0)
# Add the vertical sizer to the horizontal sizer
hSizer.Add(vSizer, 12, wx.ALIGN_CENTER | wx.EXPAND | wx.ALL, 5)
# Add a spacer to the horizontal sizer
hSizer.Add((10, 1), 0)
# Add a vertical sizer for the second media player
vSizer = wx.BoxSizer(wx.VERTICAL)
# Add the second file name
txt = wx.StaticText(self.pnl, -1, filename2)
# Add this to the media player vertical sizer
vSizer.Add(txt, 0, wx.BOTTOM, 5)
# Create the second media player
self.mp2 = video_player.VideoPlayer(self, size=(360, 240), playerNum=2, formPar=self.pnl)
# Load the second file into the second media player.
self.mp2.SetFilename(filename2, offset=self.pos2)
# Check for File Not Found, and quit if it's not
if self.mp2.FileName == "":
return
# Add the second media player to the vertical sizer
vSizer.Add(self.mp2, 8, wx.ALIGN_CENTER | wx.EXPAND, 0)
# Add the second vertical sizer to the horizontal sizer
hSizer.Add(vSizer, 12, wx.ALIGN_CENTER | wx.EXPAND | wx.ALL, 5)
# Add a spacer to the horizontal sizer
hSizer.Add((10, 1), 0)
# Add the horizontal sizer, containing both media players, to the main sizer
mainBoxSizer.Add(hSizer, 1, wx.ALIGN_CENTER | wx.EXPAND | wx.BOTTOM | wx.RIGHT, 5)
# Now that we have both media players created, get the sizes of the respective media files
(size1x, size1y) = self.mp1.movie.GetBestSize()
(size2x, size2y) = self.mp2.movie.GetBestSize()
# None of these sizes can be 0 to prevent division by 0 errors
if size1x == 0:
size1x = 4
if size1y == 0:
size1y = 3
if size2x == 0:
size2x = 4
if size2y == 0:
size2y = 3
# Determine the aspect ratio of the first media file
aspectRatio = float(size1y) / float(size1x)
# Set the initial media player size based on 360 pixels width and use the aspect ratio to calculate the height
self.mp1.SetSize((360, (360 * aspectRatio)))
# Set the initial media size based on 360 pixels width and use the aspect ratio to calculate the height
self.mp1.movie.SetSize((360, (360 * aspectRatio)))
# Determine the aspect ratio of the first media file
aspectRatio = float(size2y) / float(size2x)
# Set the initial media player size based on 360 pixels width and use the aspect ratio to calculate the height
self.mp2.SetSize((360, (360 * aspectRatio)))
# Set the initial media size based on 360 pixels width and use the aspect ratio to calculate the height
self.mp2.movie.SetSize((360, (360 * aspectRatio)))
# Create a new Horizontal sizer for the whole media control button row
hSizer = wx.BoxSizer(wx.HORIZONTAL)
# Add a spacer
hSizer.Add((10, 1), 1)
# Create a new Vertical sizer for the two Left buttons rows
vSizer = wx.BoxSizer(wx.VERTICAL)
# Create a new horizontal sizer for the top Left buttons row
hSubSizer1 = wx.BoxSizer(wx.HORIZONTAL)
# Determine the button widths for the position control buttons. If we're on a Mac ...
if 'wxMac' in wx.PlatformInfo:
# ... the buttons need a width of 52 pixels
btnWidth = 52
# Otherwise ...
else:
# ... the buttons need a width of 38 pixels
btnWidth = 38
# Add the first set of Position Control buttons for the LEFT media control
self.btnLL60 = wx.Button(self.pnl, -1, "< 60", size=(btnWidth, 20))
hSubSizer1.Add(self.btnLL60, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnLL10 = wx.Button(self.pnl, -1, "< 10", size=(btnWidth, 20))
hSubSizer1.Add(self.btnLL10, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnLL1 = wx.Button(self.pnl, -1, "< 1", size=(btnWidth, 20))
hSubSizer1.Add(self.btnLL1, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# Add the top row to the Vertical sizer
vSizer.Add(hSubSizer1, 0)
# Create a new horizontal sizer for the bottom Left buttons row
hSubSizer2 = wx.BoxSizer(wx.HORIZONTAL)
# Add the second set of Position Control buttons for the LEFT media control
self.btnLLFifth = wx.Button(self.pnl, -1, "< 0.2", size=(btnWidth, 20))
hSubSizer2.Add(self.btnLLFifth, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# This one is twice as big (plus the gap) as the others
self.btnLLFrame = wx.Button(self.pnl, -1, _("< 1 frame"), size=(2 * btnWidth + 4, 20))
hSubSizer2.Add(self.btnLLFrame, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# Add the bottom row to the Vertical sizer
vSizer.Add(hSubSizer2, 0)
# Add the vertical sizer to the whole row horizontal sizer
hSizer.Add(vSizer, 0)
# Add a Play button for the top media player
self.btnPlay1 = wx.BitmapButton(self.pnl, -1, TransanaGlobal.GetImage(TransanaImages.Play), size=(48, 48))
self.btnPlay1.SetLayoutDirection(wx.Layout_LeftToRight)
# Bind the button to the OnPlay event handler
self.btnPlay1.Bind(wx.EVT_BUTTON, self.OnPlay)
# Add the play button to the sizer
hSizer.Add(self.btnPlay1, 0, wx.LEFT | wx.RIGHT, 2)
# Create a new Vertical sizer for the two right buttons rows
vSizer = wx.BoxSizer(wx.VERTICAL)
# Create a new horizontal sizer for the top right buttons row
hSubSizer1 = wx.BoxSizer(wx.HORIZONTAL)
# Add the rest of the Position Control buttons for the LEFT media control
self.btnLR1 = wx.Button(self.pnl, -1, "1 >", size=(btnWidth, 20))
hSubSizer1.Add(self.btnLR1, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnLR10 = wx.Button(self.pnl, -1, "10 >", size=(btnWidth, 20))
hSubSizer1.Add(self.btnLR10, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnLR60 = wx.Button(self.pnl, -1, "60 >", size=(btnWidth, 20))
hSubSizer1.Add(self.btnLR60, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# Add the top row to the Vertical sizer
vSizer.Add(hSubSizer1, 0)
# Create a new horizontal sizer for the bottom Right buttons row
hSubSizer2 = wx.BoxSizer(wx.HORIZONTAL)
# Add the second set of Position Control buttons for the LEFT media control
# This one is twice as big (plus the gap) as the others
self.btnLRFrame = wx.Button(self.pnl, -1, _("1 frame >"), size=(2 * btnWidth + 4, 20))
hSubSizer2.Add(self.btnLRFrame, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnLRFifth = wx.Button(self.pnl, -1, "0.2 >", size=(btnWidth, 20))
hSubSizer2.Add(self.btnLRFifth, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# Add the bottom row to the Vertical sizer
vSizer.Add(hSubSizer2, 0)
# Add the vertical sizer to the whole row horizontal sizer
hSizer.Add(vSizer, 0)
# Bind the position change buttons to the position change event handler
self.btnLL60.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnLL10.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnLL1.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnLLFifth.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnLLFrame.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnLRFrame.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnLRFifth.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnLR1.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnLR10.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnLR60.Bind(wx.EVT_BUTTON, self.OnShiftButton)
# Add a spacer
hSizer.Add((10, 1), 1)
# Add a Play button for both media players
self.btnPlay2 = wx.Button(self.pnl, -1, _("Play Both"), size=(100, 48))
# Bind the button to the OnPlay event handler
self.btnPlay2.Bind(wx.EVT_BUTTON, self.OnPlay)
# Add the play button to the sizer
hSizer.Add(self.btnPlay2, 0)
# Add a spacer
hSizer.Add((10, 1), 1)
# Create a new Vertical sizer for the two Left buttons rows
vSizer = wx.BoxSizer(wx.VERTICAL)
# Create a new horizontal sizer for the top Left buttons row
hSubSizer1 = wx.BoxSizer(wx.HORIZONTAL)
# Add the first set of Position Control buttons for the RIGHT media control
self.btnRL60 = wx.Button(self.pnl, -1, "< 60", size=(btnWidth, 20))
hSubSizer1.Add(self.btnRL60, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnRL10 = wx.Button(self.pnl, -1, "< 10", size=(btnWidth, 20))
hSubSizer1.Add(self.btnRL10, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnRL1 = wx.Button(self.pnl, -1, "< 1", size=(btnWidth, 20))
hSubSizer1.Add(self.btnRL1, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# Add the top row to the Vertical sizer
vSizer.Add(hSubSizer1, 0)
# Create a new horizontal sizer for the bottom Left buttons row
hSubSizer2 = wx.BoxSizer(wx.HORIZONTAL)
# Add the second set of Position Control buttons for the LEFT media control
self.btnRLFifth = wx.Button(self.pnl, -1, "< 0.2", size=(btnWidth, 20))
hSubSizer2.Add(self.btnRLFifth, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# This one is twice as big (plus the gap) as the others
self.btnRLFrame = wx.Button(self.pnl, -1, _("< 1 frame"), size=(2 * btnWidth + 4, 20))
hSubSizer2.Add(self.btnRLFrame, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# Add the bottom row to the Vertical sizer
vSizer.Add(hSubSizer2, 0)
# Add the vertical sizer to the whole row horizontal sizer
hSizer.Add(vSizer, 0)
# Add a Play button for the bottom media player
self.btnPlay3 = wx.BitmapButton(self.pnl, -1, TransanaGlobal.GetImage(TransanaImages.Play), size=(48, 48))
self.btnPlay3.SetLayoutDirection(wx.Layout_LeftToRight)
# Bind the button to the OnPlay event handler
self.btnPlay3.Bind(wx.EVT_BUTTON, self.OnPlay)
# Add the play button to the sizer
hSizer.Add(self.btnPlay3, 0, wx.LEFT | wx.RIGHT, 2)
# Create a new Vertical sizer for the two right buttons rows
vSizer = wx.BoxSizer(wx.VERTICAL)
# Create a new horizontal sizer for the top right buttons row
hSubSizer1 = wx.BoxSizer(wx.HORIZONTAL)
# Add the rest of the Position Control buttons for the RIGHT media control
self.btnRR1 = wx.Button(self.pnl, -1, "1 >", size=(btnWidth, 20))
hSubSizer1.Add(self.btnRR1, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnRR10 = wx.Button(self.pnl, -1, "10 >", size=(btnWidth, 20))
hSubSizer1.Add(self.btnRR10, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnRR60 = wx.Button(self.pnl, -1, "60 >", size=(btnWidth, 20))
hSubSizer1.Add(self.btnRR60, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# Add the top row to the Vertical sizer
vSizer.Add(hSubSizer1, 0)
# Create a new horizontal sizer for the bottom Right buttons row
hSubSizer2 = wx.BoxSizer(wx.HORIZONTAL)
# Add the second set of Position Control buttons for the LEFT media control
# This one is twice as big (plus the gap) as the others
self.btnRRFrame = wx.Button(self.pnl, -1, _("1 frame >"), size=(2 * btnWidth + 4, 20))
hSubSizer2.Add(self.btnRRFrame, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
self.btnRRFifth = wx.Button(self.pnl, -1, "0.2 >", size=(btnWidth, 20))
hSubSizer2.Add(self.btnRRFifth, 0, wx.LEFT | wx.RIGHT | wx.TOP, 2)
# Add the bottom row to the Vertical sizer
vSizer.Add(hSubSizer2, 0)
# Add the vertical sizer to the whole row horizontal sizer
hSizer.Add(vSizer, 0)
# Bind the position change buttons to the position change event handler
self.btnRL60.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnRL10.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnRL1.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnRLFifth.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnRLFrame.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnRRFrame.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnRRFifth.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnRR1.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnRR10.Bind(wx.EVT_BUTTON, self.OnShiftButton)
self.btnRR60.Bind(wx.EVT_BUTTON, self.OnShiftButton)
# Add a spacer
hSizer.Add((10, 1), 1)
# Add the horizontal sizer to the main sizer
mainBoxSizer.Add(hSizer, 0, wx.EXPAND | wx.BOTTOM, 5)
# Create a new horizontal sizer
hSizer = wx.BoxSizer(wx.HORIZONTAL)
# Add a spacer
hSizer.Add((1, 1), 2)
# Add a time counter for the left media file
self.lTime = wx.StaticText(self.pnl, -1, "0:00:00.0")
# Add the control to the horizontal sizer
hSizer.Add(self.lTime, 0, wx.LEFT | wx.RIGHT, 3)
# Add a spacer
hSizer.Add((1, 1), 1)
# Add a checkbox for control of the LEFT media player
self.topLeft = wx.CheckBox(self.pnl, -1, " " + _("Focus / Cursor Keys Left"), style=wx.CHK_2STATE | wx.ALIGN_RIGHT)
# Set the LEFT checkbox as checked by default
self.topLeft.SetValue(True)
# Add the checkbox to the horizontal sizer
hSizer.Add(self.topLeft, 0)
# Bind the checkbox to the checkbox event handler
self.topLeft.Bind(wx.EVT_CHECKBOX, self.OnCheckBox)
# Add a spacer
hSizer.Add((1, 1), 5)
# Add a checkbox for control of the LEFT media player
self.topRight = wx.CheckBox(self.pnl, -1, " " + _("Focus / Cursor Keys Right"), style=wx.CHK_2STATE)
# Add the checkbox to the horizontal sizer
hSizer.Add(self.topRight, 0)
# Bind the checkbox to the checkbox event handler
self.topRight.Bind(wx.EVT_CHECKBOX, self.OnCheckBox)
# Add a spacer
hSizer.Add((1, 1), 1)
# Add a time counter for the right media file
self.rTime = wx.StaticText(self.pnl, -1, "0:00:00.0")
# Add the control to the horizontal sizer
hSizer.Add(self.rTime, 0, wx.LEFT | wx.RIGHT, 3)
# Add a spacer
hSizer.Add((1, 1), 2)
# Add the horizontal sizer to the main sizer
mainBoxSizer.Add(hSizer, 0, wx.EXPAND | wx.BOTTOM, 5)
# Create a new horizontal sizer
hSizer = wx.BoxSizer(wx.HORIZONTAL)
# Add a spacer
hSizer.Add((10, 1), 0)
# Add a label
lbl = wx.StaticText(self.pnl, -1, _('Zoom:'))
# Add the label to the zoom sizer
hSizer.Add(lbl, 0)
# Add the waveform zoom slider
self.waveformZoom = wx.Slider(self.pnl, -1, int(self.waveformSpan / 200), 5, 1200, style = wx.SL_HORIZONTAL)
# Add a Tool Tip to label the slider
self.waveformZoom.SetToolTipString(_("Waveform Zoom"))
# Bind the slider to the OnSlider Event Handler
self.waveformZoom.Bind(wx.EVT_SCROLL, self.OnSlider)
# Add the slider to the sizer
hSizer.Add(self.waveformZoom, 13)
# Add a spacer
hSizer.Add((10, 1), 0)
# Add the horizontal sizer to the main sizer
mainBoxSizer.Add(hSizer, 0, wx.EXPAND | wx.BOTTOM, 5)
# Create a new horizontal sizer
hSizer = wx.BoxSizer(wx.HORIZONTAL)
# Add a spacer
hSizer.Add((10, 1), 0)
# Create the first Waveform control
self.waveform1 = GraphicsControlClass.GraphicsControl(self.pnl, -1, wx.Point(1, 1), wx.Size(760, 140), (760, 140), visualizationMode=False, name='mp1')
# Clear the graphic control
self.waveform1.Clear()
# initialize the start position
self.start1 = 0
# initialize the start position
self.start2 = 0
# Create the waveform for the first file, if needed. If successful, the name of the WAV file is returned.
self.waveFile1 = self.LoadWaveform(filename1)
# If the waveform fails ...
if self.waveFile1 == False:
# ... display an error message ...
print "Waveform FAIL for", filename1
# .. and exit the Synchronize routine.
return
# Create the waveform for the second file, if needed. If successful, the name of the WAV file is returned.
self.waveFile2 = self.LoadWaveform(filename2)
# If the waveform fails ...
if self.waveFile2 == False:
# ... display an error message ...
print "Waveform FAIL for", filename2.encode('utf8')
# .. and exit the Synchronize routine.
return
# Add the waveform to the sizer
hSizer.Add(self.waveform1, 10)
# Add a spacer
hSizer.Add((10, 1), 0)
# Add the horizonal sizer to the main sizer
mainBoxSizer.Add(hSizer, 0, wx.EXPAND)
# Create a sizer for the form buttons
btnSizer = wx.BoxSizer(wx.HORIZONTAL)
# Add a spacer so that the offset control will align properly
btnSizer.Add((4, 1), 0)
# Add a TextCtrl for offset
self.txtOffset = wx.TextCtrl(self, -1, Misc.time_in_ms_to_str(self.offset, True), style=wx.TE_RIGHT | wx.TE_READONLY)
# Add the offset text to the button sizer
btnSizer.Add(self.txtOffset, 0, wx.ALL, 6)
# Add a horizontal spacer to the button sizer
btnSizer.Add((0, 0), 1)
# Create an OK button
self.btnOK = wx.Button(self.pnl, wx.ID_OK, _("OK"))
# Add the OK button to the button sizer
btnSizer.Add(self.btnOK, 0, wx.ALIGN_RIGHT | wx.TOP | wx.RIGHT | wx.BOTTOM, 6)
# Create a Cancel button
self.btnCancel = wx.Button(self.pnl, wx.ID_CANCEL, _("Cancel"))
# Add the Cancel button to the button sizer
btnSizer.Add(self.btnCancel, 0, wx.ALIGN_RIGHT | wx.TOP | wx.RIGHT | wx.BOTTOM, 6)
# Create a Help button
self.btnHelp = wx.Button(self.pnl, -1, _("Help"))
# Add the Help button to the button sizer
btnSizer.Add(self.btnHelp, 0, wx.ALIGN_RIGHT | wx.TOP | wx.RIGHT | wx.BOTTOM, 6)
# Bind a handler to the Help button
self.btnHelp.Bind(wx.EVT_BUTTON, self.Help)
# Add the button sizer to the main form sizer
mainBoxSizer.Add(btnSizer, 0, wx.EXPAND)
# Set the form focus to the Play Both button
self.btnPlay2.SetFocus()
# All controls on the form need to call the OnKeyDown and OnKeyUp methods to process cursor key presses
wx.EVT_KEY_UP(self, self.OnKeyUp)
wx.EVT_KEY_DOWN(self, self.OnKeyDown)
wx.EVT_KEY_UP(self.mp1, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.mp1, self.OnKeyDown)
wx.EVT_KEY_UP(self.mp2, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.mp2, self.OnKeyDown)
wx.EVT_KEY_UP(self.btnPlay1, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.btnPlay1, self.OnKeyDown)
wx.EVT_KEY_UP(self.btnPlay2, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.btnPlay2, self.OnKeyDown)
wx.EVT_KEY_UP(self.btnPlay3, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.btnPlay3, self.OnKeyDown)
wx.EVT_KEY_UP(self.topRight, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.topRight, self.OnKeyDown)
wx.EVT_KEY_UP(self.topLeft, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.topLeft, self.OnKeyDown)
wx.EVT_KEY_UP(self.waveformZoom, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.waveformZoom, self.OnKeyDown)
wx.EVT_KEY_UP(self.waveform1, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.waveform1, self.OnKeyDown)
wx.EVT_KEY_UP(self.txtOffset, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.txtOffset, self.OnKeyDown)
wx.EVT_KEY_UP(self.btnOK, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.btnOK, self.OnKeyDown)
wx.EVT_KEY_UP(self.btnCancel, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.btnCancel, self.OnKeyDown)
wx.EVT_KEY_UP(self.btnHelp, self.OnKeyUp)
wx.EVT_KEY_DOWN(self.btnHelp, self.OnKeyDown)
# Bind the form's OnSize event
self.Bind(wx.EVT_SIZE, self.OnSize)
# Bind the form's OnClose event
self.Bind(wx.EVT_CLOSE, self.OnClose)
# Call Thaw to allow the dialog to finally be drawn.
self.Thaw()
# Set the main box sizer as the Panel's Main Sizer
self.pnl.SetSizer(mainBoxSizer)
# Set the panel sizer as the dialog's main sizer
self.SetSizer(pnlSizer)
# Turn AutoLayout on
self.SetAutoLayout(True)
# Lay out the dialog
self.Layout()
# Center the dialog on the screen
TransanaGlobal.CenterOnPrimary(self)
# Now that this is all done, we can signal that the dialog has been built
self.windowBuilt = True
# Update the Waveforms on the Mac, as this doesn't seem to happen automatically
if 'wxMac' in wx.PlatformInfo:
wx.CallAfter(self.UpdateWaveforms)
def GetData(self):
""" Shows the Synchronize Dialog (modally) and returns the offset between the files """
# If the user pressed OK ...
if self.ShowModal() == wx.ID_OK:
# ... return the difference between the two media file positions
return (self.pos1 - self.pos2, self.mp2.GetMediaLength())
# Otherwise ...
else:
# .. return the original offset that was passed in.
return (self.offset, self.mp2.GetMediaLength())
def OnKeyDown(self, event):
""" Method to handle the initiation of a keypress """
# Get the Key Code of the key that was pressed
keyPressed = event.GetKeyCode()
# We are only intercepting cursor left and cursor right. Therefore,
# if the was NOT cursor left or cursor right ...
if not(keyPressed in [wx.WXK_LEFT, wx.WXK_RIGHT]):
# ... then process the key press normally.
event.Skip()
def OnKeyUp(self, event):
""" Method to handle the release of a keypress """
# Get the Key Code of the key that was pressed
keyPressed = event.GetKeyCode()
# We are only intercepting cursor left and cursor right. Therefore,
# if the was cursor left or cursor right ...
if keyPressed in [wx.WXK_LEFT, wx.WXK_RIGHT]:
# If the Alt key is held down ...
if event.AltDown():
# ... we want to move 1/2 a second
amtToMove = 500
# if the Shift key is held down ...
elif event.ShiftDown():
# ... we want to move a whole second
amtToMove = 1000
# Otherwise ...
else:
# we want to move one frame, or approximately 33/1000ths of a second
amtToMove = 33
# If the LEFT checkbox is checked ...
if self.topLeft.IsChecked():
# ... if Cursor Left is pressed ...
if keyPressed == wx.WXK_LEFT:
# ... we move Player 1 FORWARD the appropriate amount
self.mp1.SetCurrentVideoPosition(self.mp1.GetTimecode() + amtToMove)
self.pos1 += amtToMove
# ... if Cursor Right is pressed ...
else:
# ... we move Player 1 BACKWARDS the appropriate amount
self.mp1.SetCurrentVideoPosition(self.mp1.GetTimecode() - amtToMove)
self.pos1 -= amtToMove
# If the RIGHT checkbox is checked ...
else:
# ... if Cursor Left is pressed ...
if keyPressed == wx.WXK_LEFT:
# ... we move Player 2 FORWARD the appropriate amount
self.mp2.SetCurrentVideoPosition(self.mp2.GetTimecode() + amtToMove)
self.pos2 += amtToMove
# ... if Cursor Right is pressed ...
else:
# ... we move Player 2 BACKWARDS the appropriate amount
self.mp2.SetCurrentVideoPosition(self.mp2.GetTimecode() - amtToMove)
self.pos2 -= amtToMove
# Update the Waveforms
self.UpdateWaveforms()
# Update the offset text box
self.txtOffset.SetValue(Misc.time_in_ms_to_str(self.pos1 - self.pos2, True))
# If the was NOT cursor left or cursor right ...
else:
# ... then process the key press normally.
event.Skip()
def OnCheckBox(self, event):
""" Method for handling checkbox events """
# If the LEFT checkbox triggers the event ...
if event.GetId() == self.topLeft.GetId():
# ... then the RIGHT checkbox needs to be updated.
self.topRight.SetValue(not self.topLeft.GetValue())
# If the RIGHT checkbox triggers the event ...
elif event.GetId() == self.topRight.GetId():
self.topLeft.SetValue(not self.topRight.GetValue())
self.UpdateWaveforms()
def OnPlay(self, event):
""" Event Handler for the Play / Pause buttons """
# This proved more complicated than I'd expected! Hang on!
# We need to know if one or both of the media players is/are currently playing
isPlaying1 = self.mp1.IsPlaying()
isPlaying2 = self.mp2.IsPlaying()
# We change the status of media player 1 IF:
# the TOP button is pressed OR
# the MIDDLE button is pressed and either the top player is playing or neither player is playing.
play1 = (event.GetId() == self.btnPlay1.GetId()) or \
((event.GetId() == self.btnPlay2.GetId()) and (isPlaying1 or (not isPlaying1 and not isPlaying2)))
# We change the status of media player 2 IF:
# the TOP button is pressed OR
# the MIDDLE button is pressed and either the top player is playing or neither player is playing.
play2 = (event.GetId() == self.btnPlay3.GetId()) or \
((event.GetId() == self.btnPlay2.GetId()) and (isPlaying2 or (not isPlaying1 and not isPlaying2)))
# Get the media player(s) playing correctly.
# If the TOP or MIDDLE Play button was pressed ...
if play1:
# ... and if the top player is playing ...
if isPlaying1:
# ... then pause it.
self.mp1.Pause()
# If the top player is NOT playing ...
else:
# ... then tell it to play.
self.mp1.Play()
self.btnPlay1.SetBitmapLabel(TransanaGlobal.GetImage(TransanaImages.Play))
# If the MIDDLE or BOTTOM Play button was pressed ...
if play2:
# ... and if the bottom player is playing ...
if isPlaying2:
# ... then pause it.
self.mp2.Pause()
# If the bottom player is NOT playing ...
else:
# ... then tell it to play.
self.mp2.Play()
# Now, we need to update the form buttons.
if isPlaying1: # Player 1 was playing before the button press...
if play1: # The top button read "Pause"
self.btnPlay1.SetBitmapLabel(TransanaGlobal.GetImage(TransanaImages.Play))
else: # Player 1 was NOT playing before the button press ...
if play1: # The top button read "Play"
self.btnPlay1.SetBitmapLabel(TransanaImages.Pause.GetBitmap())
if isPlaying2: # Player 2 was playing before the button press ...
if play2: # The bottom button read "Pause"
self.btnPlay3.SetBitmapLabel(TransanaGlobal.GetImage(TransanaImages.Play))
else: # Player 2 was NOT playing before the button press ...
if play2: # The bottom button read "Play"
self.btnPlay3.SetBitmapLabel(TransanaImages.Pause.GetBitmap())
# If both players are NOW paused ...
if (isPlaying1 and play1 and not isPlaying2) or \
(isPlaying2 and play2 and not isPlaying1) or \
(isPlaying1 and play1 and isPlaying2 and play2):
# ... change the middle button to Play
self.btnPlay2.SetLabel(_("Play Both"))
# You can only EXIT the form if both players are paused! (This makes the synch more accurate, and prevents Destroy problems.)
self.btnOK.Enable(True)
self.btnCancel.Enable(True)
# If either player is playing ...
else:
# ... change the middle button to Pause ...
self.btnPlay2.SetLabel(_("Pause Both"))
# ... and disable the OK and Cancel buttons!
self.btnOK.Enable(False)
self.btnCancel.Enable(False)
# Update the Waveforms
self.UpdateWaveforms()
def OnShiftButton(self, event):
""" Methods for implementing the Media Player Position Shift buttons """
# NOTE: Media player position change was originally implemented using sliders. This method is preferred
# because it is MUCH easier to move both media files precisely the same amount.
# If Left Player 60 seconds earlier button is pressed ...
if event.GetId() == self.btnLL60.GetId():
# Time shift is negative 60 seconds
amtToMove = -60000
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Left Player 10 seconds earlier button is pressed ...
elif event.GetId() == self.btnLL10.GetId():
# Time shift is negative 10 seconds
amtToMove = -10000
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Left Player 1 second earlier button is pressed ...
elif event.GetId() == self.btnLL1.GetId():
# Time shift is negative 1 second
amtToMove = -1000
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Left Player 0.2 second later button is pressed ...
elif event.GetId() == self.btnLLFifth.GetId():
# Time shift is negative one-fifth of a second
amtToMove = -200
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Left Player 1 frame earlier button is pressed ...
elif event.GetId() == self.btnLLFrame.GetId():
# Time shift is negative 1 frame
amtToMove = -33
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Left Player 1 frame later button is pressed ...
elif event.GetId() == self.btnLRFrame.GetId():
# Time shift is positive 1 frame
amtToMove = 33
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Left Player 0.2 second later button is pressed ...
elif event.GetId() == self.btnLRFifth.GetId():
# Time shift is positive one-fifth second
amtToMove = 200
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Left Player 1 second later button is pressed ...
elif event.GetId() == self.btnLR1.GetId():
# Time shift is positive 1 second
amtToMove = 1000
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Left Player 10 seconds later button is pressed ...
elif event.GetId() == self.btnLR10.GetId():
# Time shift is positive 10 seconds
amtToMove = 10000
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Left Player 60 seconds later button is pressed ...
elif event.GetId() == self.btnLR60.GetId():
# Time shift is positive 60 seconds
amtToMove = 60000
# Media Player affected is player 1
mp = self.mp1
# Current position to be changed is position 1
pos = self.pos1
# If Right Player 60 seconds earlier button is pressed ...
elif event.GetId() == self.btnRL60.GetId():
# Time shift is negative 60 seconds
amtToMove = -60000
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# If Right Player 10 seconds earlier button is pressed ...
elif event.GetId() == self.btnRL10.GetId():
# Time shift is negative 10 seconds
amtToMove = -10000
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# If Right Player 1 second earlier button is pressed ...
elif event.GetId() == self.btnRL1.GetId():
# Time shift is negative 1 second
amtToMove = -1000
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# If Right Player 0.2 second later button is pressed ...
elif event.GetId() == self.btnRLFifth.GetId():
# Time shift is negative one-fifth of a second
amtToMove = -200
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# If Right Player 1 frame earlier button is pressed ...
elif event.GetId() == self.btnRLFrame.GetId():
# Time shift is negative 1 frame
amtToMove = -33
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# If Right Player 1 frame later button is pressed ...
elif event.GetId() == self.btnRRFrame.GetId():
# Time shift is positive 1 frame
amtToMove = 33
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# If Right Player 0.2 second later button is pressed ...
elif event.GetId() == self.btnRRFifth.GetId():
# Time shift is positive one-fifth second
amtToMove = 200
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# If Right Player 1 second later button is pressed ...
elif event.GetId() == self.btnRR1.GetId():
# Time shift is positive 1 second
amtToMove = 1000
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# If Right Player 10 seconds later button is pressed ...
elif event.GetId() == self.btnRR10.GetId():
# Time shift is positive 10 seconds
amtToMove = 10000
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# If Right Player 60 seconds later button is pressed ...
elif event.GetId() == self.btnRR60.GetId():
# Time shift is positive 60 seconds
amtToMove = 60000
# Media Player affected is player 2
mp = self.mp2
# Current position to be changed is position 2
pos = self.pos2
# Get the current position of the desired player
curpos = mp.GetTimecode()
# Get the total length of the media for the desired player
totlen = mp.GetMediaLength()
# If the desired move would take us to before the start of the media file ...
if curpos + amtToMove < 0:
# ... set the media position to 0
mp.SetCurrentVideoPosition(0)
pos = 0
# If the desired move would take use to after the end of the media file ...
elif curpos + amtToMove > totlen:
# ... set the media position to just before the end of the file
mp.SetCurrentVideoPosition(totlen - 10)
pos = totlen - 10
# If the desired move falls within the boundaries of the media files ...
else:
# ... then make the desired move
mp.SetCurrentVideoPosition(curpos + amtToMove)
pos += amtToMove
# Update the waveforms to reflect the change
self.UpdateWaveforms()
# Update the offset text box
self.txtOffset.SetValue(Misc.time_in_ms_to_str(self.pos1 - self.pos2, True))
def OnSlider(self, event):
""" Event handler for the Zoom Sliders """
# Call the underlying parent event. (Mac wasn't letting go of the handles!)
event.Skip()
# Default the selected media player to None
mp = None
# If the Zoom slider fired the event, if affects BOTH waveforms, but neither media player.
if event.GetId() == self.waveformZoom.GetId():
# Get the new Zoom value from the slider position
self.waveformSpan = event.GetPosition() * 100
# Signal that BOTH waveforms need updating
mpN = -1
# If one of the media players should be affected ...
if mp != None:
# Determine the length of the selected media file
mediaLength = mp.GetMediaLength()
# As long as the media length is known ...
if mediaLength > -1:
# ... determine the new position based on the slider position and the media length
newPos = int((event.GetPosition() / 500.0) * mediaLength)
# Actually set the new position in the appropriate player
mp.SetCurrentVideoPosition(newPos)
if mpN == 1:
self.pos1 = newPos
else:
self.pos2 = newPos
# Update the offset text box
self.txtOffset.SetValue(Misc.time_in_ms_to_str(self.pos1 - self.pos2, True))
# Update the waveform(s) as set above.
self.UpdateWaveforms(mpN)
# Routines required by the Video Player API
def UpdatePlayState(self, playState):
""" Update Play State method """
# This method is required by video_player for Transana, but not for Synchronize. Therefore, do nothing!
pass
def UpdateVideoPosition(self, videoPos, playerNum):
""" Update the interface based on a new video position """
# If the form has been completed ... (to prevent problems during form construction)
if self.windowBuilt:
# If info is coming from player 1 ...
if playerNum == 1:
# Determine the new value from Player 1
self.pos1 = videoPos
# Update the value from Player 2 to keep things synchronized
self.pos2 = self.mp2.GetTimecode()
# Update Waveform 1
self.UpdateWaveforms(1)
# If info is coming from player 2 ...
elif playerNum == 2:
# Determine the new value from Player 2
self.pos2 = videoPos
# Update the value from Player 1 to keep things synchronized
self.pos1 = self.mp1.GetTimecode()
# Update Waveform 2
self.UpdateWaveforms(2)
# Update the offset text box, with thousandths of a second precision.
self.txtOffset.SetValue(Misc.time_in_ms_to_str(self.pos1 - self.pos2, True))
# Routines required by the Waveform API
def PctPosFromTimeCode(self, timecode):
""" Required in Transana, not in Synchronize """
return 1
def TimeCodeFromPctPos(self, pctPos):
""" Required in Transana, not in Synchronize """
return 0
def OnMouseOver(self, x, y, xpct, ypct):
""" Required in Transana, not in Synchronize """
pass
def OnLeftDown(self, x, y, xpct, ypct):
""" Required in Transana, not in Synchronize """
pass
def OnLeftUp(self, x, y, xpct, ypct):
""" Handle the release of the left mouse button """
pass
def OnRightUp(self, *args):
""" Required in Transana by both Visualization and Video Player, but not in Synchronize """
pass
def IsPlaying(self):
""" Is there a playing player? """
# Are media players MUST be defined?
if (self.mp1 != None) and (self.mp2 != None):
# If so, is either one playing?
return self.mp1.IsPlaying() or self.mp2.IsPlaying()
# if not ...
else:
# ... then they can't be playing, can they?
return False
# Synchronize Routines
def LoadWaveform(self, mediaFile):
""" Load a Waveform, based on the mediaFile, into the GraphicControl """
# Separate the path from the file name
(path1, fn1) = os.path.split(mediaFile)
# Separate the file name from the extension
(fnroot1, ext1) = os.path.splitext(fn1)
# Determine the correct WAV file name
waveFilename1 = os.path.join(TransanaGlobal.configData.visualizationPath, fnroot1 + '.wav')