예제 #1
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파일: ipusout.py 프로젝트: lym0302/sppas
 def __write_trs_track(track_filename, track_content, duration):
     begin = TimePoint(0.)
     end = TimePoint(duration)
     ann = Annotation(TimeInterval(begin, end), Label(track_content))
     trs = Transcription()
     tier = trs.NewTier("Transcription")
     tier.Append(ann)
     sppas.src.annotationdata.aio.write(track_filename, trs)
예제 #2
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파일: tracks.py 프로젝트: gmontcheuil/sppas
    def __init__(self, name="NoName", mintime=0., maxtime=0.):
        """
        Creates a new SegmentsIn instance.

        """
        Transcription.__init__(self, name, mintime, maxtime)
        self.alignerio = AlignerIO()
        self._radius = 0.005
        self._tracknames = TrackNamesGenerator()
예제 #3
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    def __init__(self, name="NoName", mintime=0., maxtime=0.):
        """
        Creates a new SegmentsIn instance.

        """
        Transcription.__init__(self, name, mintime, maxtime)
        self.alignerio = AlignerIO()
        self._radius = 0.005
        self._tracknames = TrackNamesGenerator()
예제 #4
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    def __init__(self, name="NoName", mintime=0., maxtime=0.):
        """ Creates a new TrackSplitter instance.

        :param name: (str)

        """
        Transcription.__init__(self, name, mintime, maxtime)
        self._radius = 0.005
        self._tracknames = TrackNamesGenerator()
        self._aligntrack = None
예제 #5
0
파일: tracks.py 프로젝트: gmontcheuil/sppas
    def __init__(self, name="NoName", mintime=0., maxtime=0.):
        """ Creates a new TrackSplitter instance.

        :param name: (str)

        """
        Transcription.__init__(self, name, mintime, maxtime)
        self._radius = 0.005
        self._tracknames = TrackNamesGenerator()
        self._aligntrack = None
예제 #6
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    def __init__(self, name="AnnotationSystemDataSet"):
        """
        Initialize a new instance.

        @type name: str
        @param name: the name of the transcription

        """
        Transcription.__init__(self, name)
        self.__id_tier_map = {}
예제 #7
0
파일: ipustrs.py 프로젝트: lym0302/sppas
    def set_transcription(self, trs):
        """ Set a new Transcription.

        :param trs: (Transcription) Input transcription from which it's
        possible to extract IPUs.

        """
        if trs is not None:
            self._trsinput = trs
        else:
            self._trsinput = Transcription()
예제 #8
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    def run(self, input_filename1, input_filename2, output_filename):
        """ Run the Repetition Automatic Detection annotation.

        :param input_filename1: Name of the file with aligned tokens of spkeaker 1 (the source)
        :param input_filename2: Name of the file with aligned tokens of spkeaker 2 (the echo) if OR, or None for SR
        :param output_filename: Name of the file to save the result

        """
        self.print_filename(input_filename1)
        self.print_options()
        self.print_diagnosis(input_filename1)
        if input_filename2 is not None:
            self.print_diagnosis(input_filename2)
        if self.logfile is not None:
            self.logfile.print_message("Span = " + str(self._span), indent=3)
            self.logfile.print_message("Alpha = " + str(self._alpha), indent=3)

        # Get the tiers to be used
        # ---------------------------------------------------------------

        # Tokens of main speaker
        trs_input1 = sppas.src.annotationdata.aio.read(input_filename1)
        tier1 = sppasSearchTier.aligned_tokens(trs_input1)
        if tier1.IsEmpty() is True:
            raise Exception("Empty tokens tier (main speaker).\n")

        # Tokens of echoing speaker (if any)
        tier2 = None
        if input_filename2 is not None:
            trs_input2 = sppas.src.annotationdata.aio.read(input_filename2)
            tier2 = sppasSearchTier.aligned_tokens(trs_input2)
            if tier2.IsEmpty() is True:
                raise Exception("Empty tokens tier (echoing speaker).\n")

        # Lemmatize input?
        if self._use_lemmatize:
            tier1 = self.lemmatize(tier1)
            if tier2 is not None:
                tier2 = self.lemmatize(tier2)

        # Repetition Automatic Detection
        # ---------------------------------------------------------------
        if tier2 is None:
            (src_tier, echo_tier) = self.self_detection(tier1)
        else:
            (src_tier, echo_tier) = self.other_detection(tier1, tier2)

        # Save results
        # --------------------------------------------------------------
        trs_output = Transcription("Repetitions")
        trs_output.Append(src_tier)
        trs_output.Append(echo_tier)
        sppas.src.annotationdata.aio.write(output_filename, trs_output)
예제 #9
0
파일: ipustrs.py 프로젝트: lym0302/sppas
    def __init__(self, trs):
        """ Creates a new IPUsTrs instance.

        :param trs: (Transcription) Input transcription from which it's
        possible to extract IPUs.
        Expected tiers are:
            - first tier: the IPUs content [required]
            - second tier: the IPUs file names [optional]

        """
        super(IPUsTrs, self).__init__()
        
        self._trsinput = Transcription()
        self._units = list()  # List of the content of the units (if any)
        self._names = list()  # List of file names for IPUs (if any)
        self.set_transcription(trs)
예제 #10
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    def print_targets(self, targets, output_filename=None, trs=None):
        """ Print the set of selected targets.

        :param targets:
        :param output_filename: (str)
        :param trs: (Transcription)

        """
        if output_filename is not None:
            if output_filename is "STDOUT":
                output = sys.stdout
                self.__print_tgts(targets, output)
            elif output_filename.lower().endswith('momel') is True:
                output = open(output_filename, "w")
                self.__print_tgts(targets, output)
                output.close()

        if trs is not None:
            # Attention: time in targets is in milliseconds!
            tier = trs.NewTier(name="Momel")
            for i in range(len(targets)):
                _time = targets[i].get_x() * (0.001 * self.PAS_TRAME)
                _label = str("%d" % (targets[i].get_y()))
                try:
                    tier.Append(Annotation(TimePoint(_time), Label(_label)))
                except Exception:
                    if self.logfile is not None:
                        self.logfile.print_message("Ignore target: time=" +
                                                   str(_time) + " and value=" +
                                                   _label,
                                                   indent=2,
                                                   status=3)

            if output_filename is not None and output_filename.lower(
            ).endswith('.pitchtier'):
                trsp = Transcription()
                trsp.Add(tier)
                try:
                    sppas.src.annotationdata.aio.write(output_filename, trsp)
                except Exception:
                    if self.logfile is not None:
                        self.logfile.print_message(
                            "Can't write PitchTier output file.", status=-1)
            return tier
예제 #11
0
파일: trslist.py 프로젝트: lym0302/sppas
    def LoadFile(self, filename):
        """
        Load a file in memory and show it.

        @param filename is an annotated file.

        """
        self._filename = filename
        if os.path.exists(filename) is False:
            self._transcription = Transcription("Empty")
            return
        try:
            self._transcription = sppas.src.annotationdata.aio.read(filename)
            self._dirty = False
            self._boxtitle.SetForegroundColour(FG_FILE_COLOUR)
            self.Refresh()
        except Exception as e:
            logging.info('Error loading file %s: %s' % (filename, str(e)))
            self._transcription = Transcription("IO-Error")
예제 #12
0
파일: trslist.py 프로젝트: lym0302/sppas
class TrsList(wx.Panel):
    """
    :author:       Brigitte Bigi
    :organization: Laboratoire Parole et Langage, Aix-en-Provence, France
    :contact:      [email protected]
    :license:      GPL, v3
    :copyright:    Copyright (C) 2011-2018  Brigitte Bigi
    :summary:      Show data about transcriptions, in a panel including a list of tiers.

    """
    def __init__(self, parent, filename, trs=None, multiple=False):
        wx.Panel.__init__(self, parent, -1, size=wx.DefaultSize)

        # initialize the GUI
        self._prefs = Preferences()
        self._filename = filename
        self._dirty = False  # the transcription was changed
        self._selected = False  # the transcription is selected
        self._protected = [
        ]  # list of the tiers that are protected (can't be modified)

        if len(filename) == 0:
            self._filename = "Empty"

        boxtitle = self._create_title()
        self.tier_list = self._create_list(multiple)

        # load the Transcription
        if trs is None and len(filename) != 0:
            self.LoadFile(filename)
        else:
            self._transcription = trs
        # add Transcription information in the list
        for i in range(self._transcription.GetSize()):
            self.SetTierProperties(i)
        self._checksize()

        # events
        self.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnListItemSelected,
                  self.tier_list)
        self.Bind(wx.EVT_LIST_COL_CLICK, self.OnListItemSelected,
                  self.tier_list)

        # layout
        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(boxtitle, 0, wx.EXPAND | wx.ALL, border=4)
        sizer.Add(self.tier_list, 1, wx.EXPAND | wx.ALL, border=4)

        self.SetFont(self._prefs.GetValue('M_FONT'))
        self.SetForegroundColour(self._prefs.GetValue('M_FG_COLOUR'))
        self.SetBackgroundColour(self._prefs.GetValue('M_BG_COLOUR'))
        self._boxtitle.SetForegroundColour(FG_FILE_COLOUR)

        self.SetSizerAndFit(sizer)
        self.SetAutoLayout(True)
        self.Layout()

    # ----------------------------------------------------------------------

    def _create_title(self):
        """ Create the title of the panel. """

        _sizer = wx.BoxSizer(wx.HORIZONTAL)

        self._static_tx = wx.TextCtrl(self,
                                      -1,
                                      "File: ",
                                      style=wx.TE_READONLY | wx.NO_BORDER)
        self._boxtitle = wx.TextCtrl(self,
                                     -1,
                                     self._filename,
                                     style=wx.TE_READONLY | wx.NO_BORDER)

        _sizer.Add(self._static_tx, 0, wx.RIGHT, border=2)
        _sizer.Add(self._boxtitle, 1, wx.EXPAND)

        return _sizer

    # ----------------------------------------------------------------------

    def _create_list(self, multiple=False):
        """ Create the list to show information of a each tier of a transcription. """

        if multiple:
            tier_list = CheckListCtrl(self,
                                      -1,
                                      style=wx.LC_REPORT | wx.BORDER_NONE)
        else:
            tier_list = CheckListCtrl(self,
                                      -1,
                                      style=wx.LC_REPORT | wx.BORDER_NONE
                                      | wx.LC_SINGLE_SEL)

        # Add all columns
        col_names = [
            " Nb ", " Name    ", " Begin   ", " End     ", " Type    ",
            " Size    "
        ]
        for i, n in enumerate(col_names):
            tier_list.InsertColumn(i, n)

        # Fix column width
        for i in range(len(col_names)):
            tier_list.SetColumnWidth(i, wx.LIST_AUTOSIZE_USEHEADER)
        # Enlarge column with tier name
        tier_list.SetColumnWidth(1, 140)

        return tier_list

    # -------------------------------------------------------------------------

    def SetTierProperties(self, tier_idx):
        """ Display tier properties. """

        try:
            tier = self._transcription[tier_idx]

            if tier.IsPoint() is True:
                tier_type = "Point"
            elif tier.IsInterval():
                tier_type = "Interval"
            elif tier.IsDisjoint():
                tier_type = "Disjoint"
            else:
                tier_type = "Unknown"

            if tier.IsEmpty() is True:
                begin = " ... "
                end = " ... "
            else:
                begin = str(tier.GetBeginValue())
                end = str(tier.GetEndValue())

            self.tier_list.InsertStringItem(tier_idx,
                                            "Tier %d" % (tier_idx + 1))
            self.tier_list.SetStringItem(tier_idx, 1, tier.GetName())
            self.tier_list.SetStringItem(tier_idx, 2, begin)
            self.tier_list.SetStringItem(tier_idx, 3, end)
            self.tier_list.SetStringItem(tier_idx, 4, tier_type)
            self.tier_list.SetStringItem(tier_idx, 5, str(tier.GetSize()))

        except Exception as e:
            self.tier_list.InsertStringItem(1, "Error: " + str(e))

    # ----------------------------------------------------------------------
    # Callbacks...
    # ----------------------------------------------------------------------

    def OnListItemSelected(self, event):
        """ An item of this panel was clicked. Inform the parent. """

        evt = PanelSelectedEvent(panel=self)
        evt.SetEventObject(self)
        wx.PostEvent(self.GetParent(), evt)

    # ----------------------------------------------------------------------
    # GUI
    # ----------------------------------------------------------------------

    def SetPreferences(self, prefs):
        """ Set new preferences. """

        self._prefs = prefs
        self.SetBackgroundColour(self._prefs.GetValue("M_BG_COLOUR"))
        self.SetForegroundColour(self._prefs.GetValue("M_FG_COLOUR"))
        self.SetFont(self._prefs.GetValue("M_FONT"))

    # -------------------------------------------------------------------------

    def SetFont(self, font):
        """ Set a new font. """

        wx.Window.SetFont(self, font)

        self.tier_list.SetFont(font)
        for i in range(self._transcription.GetSize()):
            self.tier_list.SetItemFont(i, font)
        self._static_tx.SetFont(font)
        self._boxtitle.SetFont(font)
        self.Layout()  # bigger/smaller font can impact on the layout

    # -------------------------------------------------------------------------

    def SetBackgroundColour(self, color):
        """ Set background. """

        wx.Window.SetBackgroundColour(self, color)

        self.tier_list.SetBackgroundColour(color)
        for i in range(self._transcription.GetSize()):
            self.tier_list.SetItemBackgroundColour(i, color)
        self._static_tx.SetBackgroundColour(color)
        self._boxtitle.SetBackgroundColour(color)
        self.Refresh()

    # -------------------------------------------------------------------------

    def SetForegroundColour(self, color):
        """ Set foreground and items text color. """

        wx.Window.SetForegroundColour(self, color)

        self.tier_list.SetForegroundColour(color)
        for i in range(self._transcription.GetSize()):
            self.tier_list.SetItemTextColour(i, color)
        self._static_tx.SetForegroundColour(color)
        self.Refresh()

    # ----------------------------------------------------------------------
    # Functions...
    # ----------------------------------------------------------------------

    def Protect(self):
        """
        Fix the current list of tiers as protected: they won't be changed.
        """
        self._protected = []
        for i, t in enumerate(self._transcription):
            self._protected.append(t)
            self.tier_list.SetItemTextColour(i, wx.Colour(140, 10, 10))

    # -------------------------------------------------------------------------

    def Unprotect(self):
        """
        Erase the list of protected tiers.
        """
        self._protected = []

    # ----------------------------------------------------------------------

    def IsSelected(self, tiername, case_sensitive=False):
        """
        Return True if the tier is selected.
        """
        i = self._transcription.GetIndex(tiername, case_sensitive)
        if i != -1:
            return self.tier_list.IsSelected(i)
        return False

    # ----------------------------------------------------------------------

    def Select(self, tiername, case_sensitive=False):
        """
        Select tiers which name is exactly matching.
        """
        i = self._transcription.GetIndex(tiername, case_sensitive)
        if i != -1:
            self.tier_list.Select(i, on=True)
            return True
        return False

    # ----------------------------------------------------------------------

    def Deselect(self):
        #for i in range(self.tier_list.GetItemCount()):
        #    self.tier_list.Select(i, on=0)
        self.tier_list.DeSelectAll()

    # ----------------------------------------------------------------------

    def Rename(self):
        """ Rename the selected tier. Dialog with the user to get the new name. """

        if self._transcription.GetSize() == 0:
            return

        # Get the selected tier in the list
        sellist = self.tier_list.GetFirstSelected()
        # Nothing selected
        if sellist == -1:
            return
        # Too many selected items
        if self.tier_list.GetSelectedItemCount() > 1:
            ShowInformation(self,
                            self._prefs,
                            'Only one tier has to be checked to be renamed...',
                            style=wx.ICON_INFORMATION)
            return

        tier = self._transcription[sellist]
        if tier in self._protected:
            ShowInformation(self,
                            self._prefs,
                            "Attempt to rename a protected tier: forbidden!",
                            style=wx.ICON_INFORMATION)
            return

        # Ask the user to enter a new name
        dlg = wx.TextEntryDialog(self, 'Indicate the new tier name',
                                 'Data Roamer', 'Rename a tier.')
        dlg.SetValue(self._transcription[sellist].GetName())
        if dlg.ShowModal() == wx.ID_OK:
            # Update tier name of the transcription
            tier.SetName(dlg.GetValue())
            # Update tier name of the list
            self.tier_list.SetStringItem(sellist, 1, dlg.GetValue())
            self._dirty = True
            self._boxtitle.SetForegroundColour(FG_FILE_DIRTY_COLOUR)
            self.Refresh()
        dlg.Destroy()

    # ----------------------------------------------------------------------

    def Cut(self):
        """ Cut the selected tier. Return the clipboard. """

        if self._transcription.GetSize() == 0:
            return

        # Get the selected tier in the list
        sellist = self.tier_list.GetFirstSelected()
        # No tier selected
        if sellist == -1:
            return
        # Too many selected items
        if self.tier_list.GetSelectedItemCount() > 1:
            ShowInformation(self,
                            self._prefs,
                            'One tier must be checked.',
                            style=wx.ICON_INFORMATION)
            return

        # Copy the tier to the clipboard
        tier = self._transcription[sellist]
        if tier in self._protected:
            ShowInformation(self,
                            self._prefs,
                            "Attempt to cut a protected tier: forbidden!",
                            style=wx.ICON_INFORMATION)
            return

        clipboard = tier.Copy()
        # Delete tier of the transcription
        self._transcription.Remove(sellist)
        # Delete tier of the list
        self.tier_list.DeleteItem(sellist)

        # Update tier numbers of next items in the list.
        for i in range(sellist, self.tier_list.GetItemCount()):
            self.tier_list.SetStringItem(i, 0, "Tier " + str(i + 1))

        self.Deselect()
        self._checksize()
        self._dirty = True
        self._boxtitle.SetForegroundColour(FG_FILE_DIRTY_COLOUR)
        self.Refresh()

        return clipboard

    # ----------------------------------------------------------------------

    def Copy(self):
        """ Return the selected tier. """

        if self._transcription.GetSize() == 0:
            return

        # Get the selected tier in the list
        sellist = self.tier_list.GetFirstSelected()
        if sellist == -1:
            return
        # Too many selected items
        if self.tier_list.GetSelectedItemCount() > 1:
            ShowInformation(self,
                            self._prefs,
                            "One tier must be checked",
                            style=wx.ICON_INFORMATION)
            return

        # Copy the tier to the clipboard
        tier = self._transcription[sellist]

        return tier.Copy()

    # ----------------------------------------------------------------------

    def Paste(self, clipboard):
        """ Paste the clipboard tier to the current page. """

        # Get the clipboard tier
        if clipboard is None:
            return

        # Append clipboard to the transcription
        tier = clipboard  #.Copy()

        self.Append(tier)

        # The tier comes from another Transcription... must update infos.
        if not (tier.GetTranscription() is self._transcription):
            # parent transcription
            tier.SetTranscription(self._transcription)
            # And if CtrlVocab...
            # TODO

        self._checksize()

    # ----------------------------------------------------------------------

    def Delete(self):
        """ Delete the selected tier.
            Dialog with the user to confirm. """

        if self._transcription.GetSize() == 0:
            return 0

        # Get the selected tier in the list of this page
        sellist = self.tier_list.GetFirstSelected()
        if sellist == -1:
            return 0

        # Get Indexes of tiers to remove
        indexes = []
        while sellist != -1:
            indexes.append(sellist)
            sellist = self.tier_list.GetNextSelected(sellist)

        # Ask the user to confirm before deleting
        delete = 0
        message = 'Are you sure you want to definitively delete:\n' \
                  '%d tiers in %s?' % (len(indexes), self._filename)
        dlg = ShowYesNoQuestion(self, self._prefs, message)
        if dlg == wx.ID_YES:
            for sellist in reversed(sorted(indexes)):

                item = self.tier_list.GetItem(sellist)

                tier = self._transcription[sellist]
                if tier in self._protected:
                    pass
                else:

                    # Delete tier of the transcription
                    self._transcription.Remove(sellist)
                    # Delete tier of the list
                    self.tier_list.DeleteItem(sellist)
                    delete = delete + 1
                    # Update tier numbers of next items in the list.
                    for i in range(sellist, self.tier_list.GetItemCount()):
                        self.tier_list.SetStringItem(i, 0, str(i + 1))

        self._dirty = True
        self._boxtitle.SetForegroundColour(FG_FILE_DIRTY_COLOUR)
        self.Refresh

        self._checksize()
        return delete

    # ----------------------------------------------------------------------

    def Duplicate(self):
        """ Duplicate the selected tier. """

        if self._transcription.GetSize() == 0:
            return

        # Get the selected tier index in the list
        sellist = self.tier_list.GetFirstSelected()
        if sellist == -1:
            return
        # Too many selected items
        if self.tier_list.GetSelectedItemCount() > 1:
            ShowInformation(self,
                            self._prefs,
                            "One tier must be checked",
                            style=wx.ICON_INFORMATION)
            return

        tier = self._transcription[sellist]
        self.Append(tier.Copy())

    # ----------------------------------------------------------------------

    def MoveUp(self):
        """ Move up the selected tier (except for the first one). """

        if self._transcription.GetSize() == 0:
            return

        # Get the selected tier in the list
        sellist = self.tier_list.GetFirstSelected()
        if sellist == -1:
            return
        # Too many selected items
        if self.tier_list.GetSelectedItemCount() > 1:
            ShowInformation(self,
                            self._prefs,
                            "One tier must be checked",
                            style=wx.ICON_INFORMATION)
            return

        #
        tier = self._transcription[sellist]
        if tier in self._protected:
            ShowInformation(self,
                            self._prefs,
                            "Attempt to move a protected tier: forbidden!",
                            style=wx.ICON_INFORMATION)
            return

        #Impossible to move up the first tier.
        if sellist == 0:
            return

        # Pop selected tier from transcription.
        try:
            self._transcription._hierarchy.remove_tier(
                self._transcription[sellist]
            )  # waiting a better way to work with hierarchy...
        except Exception:
            pass
        self._transcription.Pop(sellist)

        # Delete old tier of the list
        self.tier_list.DeleteItem(sellist)

        # Add tier to the transcription
        tierindex = self._transcription.Add(tier, sellist - 1)
        # Add tier to the list
        self.SetTierProperties(tierindex)
        # Update tier number
        self.tier_list.SetStringItem(sellist, 0, str(sellist + 1))

        # Let the item selected
        self.tier_list.Select(sellist - 1, on=True)
        self._dirty = True
        self._boxtitle.SetForegroundColour(FG_FILE_DIRTY_COLOUR)
        self.Refresh()

    # ----------------------------------------------------------------------

    def MoveDown(self):
        """ Move down the selected tier (except for the last one). """

        if self._transcription.GetSize() == 0:
            return

        # Get the selected tier in the list
        sellist = self.tier_list.GetFirstSelected()
        if sellist == -1:
            return

        # Too many selected items
        if self.tier_list.GetSelectedItemCount() > 1:
            ShowInformation(self,
                            self._prefs,
                            "One tier must be checked",
                            style=wx.ICON_INFORMATION)
            return

        #
        tier = self._transcription[sellist]
        if tier in self._protected:
            ShowInformation(self,
                            self._prefs,
                            "Attempting to move a protected tier: forbidden!",
                            style=wx.ICON_INFORMATION)
            return

        # Impossible to move down the last tier.
        if (sellist + 1) == self.tier_list.GetItemCount():
            return

        # Pop selected tier from transcription.
        try:
            self._transcription._hierarchy.remove_tier(
                self._transcription[sellist]
            )  # waiting a better way to work with hierarchy...
        except Exception:
            pass
        self._transcription.Pop(sellist)

        # Delete old tier of the list
        self.tier_list.DeleteItem(sellist)

        # Add tier to the transcription
        if (sellist + 1) >= self.tier_list.GetItemCount():
            tierindex = self._transcription.Add(tier)
        else:
            tierindex = self._transcription.Add(tier, sellist + 1)
        # Add tier to the list
        self.SetTierProperties(tierindex)
        # Update tier number
        self.tier_list.SetStringItem(sellist, 0, "Tier " + str(sellist + 1))
        self.tier_list.SetStringItem(sellist + 1, 0,
                                     "Tier " + str(tierindex + 1))

        # Let the item selected
        self.tier_list.Select(sellist + 1, on=True)
        self._dirty = True
        self._boxtitle.SetForegroundColour(FG_FILE_DIRTY_COLOUR)
        self.Refresh()

    # ----------------------------------------------------------------------

    def Radius(self):
        """ Fix a new radius value to all TimePoint instances of the selected tier. """

        if self._transcription.GetSize() == 0:
            return

        # Get the selected tier in the list
        sellist = self.tier_list.GetFirstSelected()
        if sellist == -1:
            return

        #
        tier = self._transcription[sellist]
        if tier in self._protected:
            ShowInformation(self,
                            self._prefs,
                            "Attempt to modify a protected tier: forbidden!",
                            style=wx.ICON_INFORMATION)
            return

        # Open a dialog to ask the new radius value
        radius = tier.GetBegin().GetRadius()
        dlg = RadiusChooser(self, self._prefs, radius)
        if dlg.ShowModal() == wx.ID_OK:
            # Get the value
            r = dlg.GetValue()
            try:
                r = float(r)
                if r > 1.0:
                    raise ValueError('Radius must range 0-1.')
            except:
                logging.info('Radius cancelled (can not be applied: %f).' % r)
                return

            # Set the value
            while sellist != -1:
                tier.SetRadius(r)
                logging.debug('Radius fixed to %f' % r)
                sellist = self.tier_list.GetNextSelected(sellist)

        dlg.Destroy()

    # ----------------------------------------------------------------------

    def Preview(self):
        """ Open a grid frame with the selected tier content. """

        if self._transcription.GetSize() == 0:
            return

        # Get the selected tier in the list
        sellist = self.tier_list.GetFirstSelected()
        if sellist == -1:
            return

        # Too many selected items
        if self.tier_list.GetSelectedItemCount() > 1:
            ShowInformation(self,
                            self._prefs,
                            "One tier only must be checked",
                            style=wx.ICON_INFORMATION)
            return

        tier = self._transcription[sellist]

        dlg = PreviewTierDialog(self, self._prefs, tiers=[tier])
        dlg.Show()

    # ----------------------------------------------------------------------

    def Append(self, newtier):
        """
        Append a tier in the transcription and in the list.

        """
        # Append tier to the transcription
        tierindex = self._transcription.Append(newtier)

        # Append tier to the list
        self.SetTierProperties(tierindex)

        # Display information
        self._dirty = True
        self._boxtitle.SetForegroundColour(FG_FILE_DIRTY_COLOUR)
        self.Refresh()

    # ----------------------------------------------------------------------

    def LoadFile(self, filename):
        """
        Load a file in memory and show it.

        @param filename is an annotated file.

        """
        self._filename = filename
        if os.path.exists(filename) is False:
            self._transcription = Transcription("Empty")
            return
        try:
            self._transcription = sppas.src.annotationdata.aio.read(filename)
            self._dirty = False
            self._boxtitle.SetForegroundColour(FG_FILE_COLOUR)
            self.Refresh()
        except Exception as e:
            logging.info('Error loading file %s: %s' % (filename, str(e)))
            self._transcription = Transcription("IO-Error")
            #raise

    # ----------------------------------------------------------------------

    def Save(self):
        """ Save the current page content. """

        if self._dirty is False:
            return

        try:
            sppas.src.annotationdata.aio.write(self._filename,
                                               self._transcription)
            self._dirty = False
            self._boxtitle.SetForegroundColour(FG_FILE_COLOUR)
            self.Refresh()
        except Exception as e:
            # give information
            ShowInformation(self,
                            self._prefs,
                            'File not saved: %s' % str(e),
                            style=wx.ICON_ERROR)

    # ----------------------------------------------------------------------

    def SaveAs(self, filename):
        """
        Save the current page content with another file name.
        Keep everything un-changed in self.
        """
        try:
            sppas.src.annotationdata.aio.write(filename, self._transcription)
        except Exception as e:
            # give information
            ShowInformation(self,
                            self._prefs,
                            'File not saved: %s' % str(e),
                            style=wx.ICON_ERROR)

    # ----------------------------------------------------------------------

    def GetTranscription(self):
        """ Return the Transcription. """

        return self._transcription

    # ----------------------------------------------------------------------

    def GetTranscriptionName(self):
        """ Return the name of the transcription. """

        return self._transcription.GetName()

    # ----------------------------------------------------------------------
    # Private
    # ----------------------------------------------------------------------

    def _checksize(self):
        """
        Check the transcription size. Append an "empty line" if
        transcription is empty. Remove this empty line if transcription
        is not empty. Return True if something has changed.

        """
        # Append an "empty" line in the ListCtrl
        if self._transcription.GetSize() == 0 and self.tier_list.GetItemCount(
        ) == 0:
            self.tier_list.InsertStringItem(0, " ... ")
            if self._transcription.GetName() == "IO-Error":
                self.tier_list.SetStringItem(
                    0, 1, " Error while reading this file ")
            else:
                self.tier_list.SetStringItem(0, 1, " Empty file: no tiers ")
            for i in range(2, 5):
                self.tier_list.SetStringItem(0, i, " ")
            return True

        # Remove the "empty" line of the ListCtrl
        if self._transcription.GetSize() < self.tier_list.GetItemCount():
            self.tier_list.DeleteItem(self.tier_list.GetItemCount() - 1)
            return True

        return False
예제 #13
0
파일: ipusout.py 프로젝트: lym0302/sppas
    def tracks2transcription(self, ipustrs, ipusaudio, add_ipu_idx=False):
        """ Create a Transcription object from tracks.

        :param ipustrs: (IPUsTrs)
        :param ipusaudio: (IPUsAudio)
        :param add_ipu_idx: (bool)

        """
        if len(self.tracks) == 0:
            raise IOError('No IPUs to write.\n')

        # Extract the info we need from IPUsAudio
        framerate = ipusaudio.get_channel().get_framerate()
        end_time = ipusaudio.get_channel().get_duration()

        # Extract the info we need from ipustrs
        try:
            medialist = ipustrs.trsinput.GetMedia()
            if len(medialist) > 0:
                media = medialist[0]
            else:
                media = None
        except Exception:
            media = None
        units = ipustrs.get_units()
        if len(units) != 0:
            if len(self.tracks) != len(units):
                raise Exception('Inconsistent number of tracks and units. '
                                'Got %d audio tracks, and %d units.\n' %
                                (len(self.tracks), len(units)))

        # Create the transcription and tiers
        trs = Transcription("IPU-Segmentation")
        tieripu = trs.NewTier("IPUs")
        tier = trs.NewTier("Transcription")
        radius = ipusaudio.get_win_length() / 8.
        # vagueness is win_length divided by 4 (see "refine" method of sppasChannelSilence class)
        # radius is vagueness divided by 2

        # Convert the tracks: from frames to times
        tracks_times = frames2times(self.tracks, framerate)
        i = 0
        to_prec = 0.

        for (from_time, to_time) in tracks_times:

            # From the previous track to the current track: silence
            if to_prec < from_time:
                begin = to_prec
                end = from_time
                a = Annotation(
                    TimeInterval(TimePoint(begin, radius),
                                 TimePoint(end, radius)), Label("#"))
                tieripu.Append(a)
                tier.Append(a.Copy())

            # New track with speech
            begin = from_time
            end = to_time

            # ... IPU tier
            label = "ipu_%d" % (i + 1)
            a = Annotation(
                TimeInterval(TimePoint(begin, radius), TimePoint(end, radius)),
                Label(label))
            tieripu.Append(a)

            # ... Transcription tier
            if add_ipu_idx is False:
                label = ""
            if len(units) > 0:
                label = label + " " + units[i]
            a = Annotation(
                TimeInterval(TimePoint(begin, radius), TimePoint(end, radius)),
                Label(label))
            tier.Append(a)

            # Go to the next
            i += 1
            to_prec = to_time

        # The end is a silence?
        if to_prec < end_time:
            begin = TimePoint(to_prec, radius)
            end = TimePoint(end_time, radius)
            if begin < end:
                a = Annotation(TimeInterval(begin, end), Label("#"))
                tieripu.Append(a)
                tier.Append(a.Copy())

        # Link both tiers: IPU and Transcription
        try:
            trs.GetHierarchy().add_link('TimeAssociation', tieripu, tier)
        except Exception:
            pass

        # Set media
        if media is not None:
            trs.AddMedia(media)
            for tier in trs:
                tier.SetMedia(media)

        return trs
예제 #14
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    def get_transcription(self, input_filename, tier_idx=None):
        """ Extract transcription from a file, either time-aligned or not.

        If input is a simple text file, it must be formatted like:
            - each line is supposed to be at least one unit;
            - each '#' symbol is considered as a unit boundary.
            - both can be combined.

        If input is a time-aligned file, the expected tier name for the
        transcription are:
            - priority: trans in the tier name;
            - secondary: trs, ortho, toe or ipu in the tier name.
        It also extracts IPUs file names if any, i.e. a tier with name
        "Name" or "File".

        :param input_filename: (str) Name of the input file
        :param tier_idx: (int) Force the tier index for the transcription
        :returns: Transcription

        """
        if input_filename is None:
            return Transcription()

        trs_input = sppas.src.annotationdata.aio.read(input_filename)
        # input is a simple text file
        if input_filename.lower().endswith("txt"):
            if trs_input.GetSize() != 1:
                raise IOError(
                    'Error while reading file (expected one tier. Got %d)' %
                    trs_input.GetSize())
            return trs_input

        # input is a time-aligned file
        if tier_idx is None:
            trs_tier = sppasSearchTier.transcription(trs_input)
        else:
            trs_tier = trs_input[tier_idx]

        trs_output = Transcription("Output")
        if self.logfile:
            self.logfile.print_message("IPUs+Transcription tier found: %s" %
                                       trs_tier.GetName(),
                                       indent=3,
                                       status=INFO_ID)

        trs_tier.SetName('Transcription')
        trs_output.Append(trs_tier)

        # Expected IPUs file names
        for tier in trs_input:
            tier_name = tier.GetName().lower()
            if "name" in tier_name or "file" in tier_name:
                if self.logfile:
                    self.logfile.print_message("IPUs file names found: %s" %
                                               tier.GetName(),
                                               indent=3,
                                               status=INFO_ID)
                tier.SetName("Name")
                trs_output.Append(tier)
                break

        return trs_output
예제 #15
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# ----------------------------------------------------------------------------
# Load input data

mapping = TierMapping(args.m)
mapping.set_reverse(False)    # from sampa to ipa direction
mapping.set_keep_miss(True)   # keep unknown entries as given
mapping.set_miss_symbol("")   # not used!
mapping.set_delimiters([])    # longest matching

# read content
trs_input = aio.read(args.i)

# ----------------------------------------------------------------------------
# Convert input file

trs = Transcription(name=trs_input.GetName()+"-IPA")

for n in args.n.split(','):
    print(" -> Tier {:s}:".format(n))
    tier = trs_input.Find(n, case_sensitive=False)
    if tier is not None:
        new_tier = mapping.map_tier(tier)
        new_tier.SetName(n+"-IPA")
        new_tier.metadata = tier.metadata
        trs.Append(new_tier)
    else:
        print(" [IGNORED] Wrong tier name.")

# Set the other members
trs.metadata = trs_input.metadata
예제 #16
0
if tieridx < 0 or tieridx > trs.GetSize():
    print('Error: Bad tier number.\n')
    sys.exit(1)

tier = trs[tieridx]
if not mode:
    mode.append(0)

d = {0: 'exact', 1: 'contains', 2: 'startswith', 3: 'endswith', 4: 'regexp'}
prefix = "" if "CASE_SENSITIVE" in options else "i"
bools = [Sel(**{prefix + d[key]: p}) for key in mode for p in patterns]
pred = functools.reduce(operator.or_, bools)
pred = ~pred if "REVERSE" in options else pred

filtered_annotations = filter(pred, tier)
if not filtered_annotations:
    print("NO RESULT")
    sys.exit(0)

filteredtier = Tier(tier.Name)
for a in filtered_annotations:
    filteredtier.Add(a)

if fileoutput is None:
    for a in filteredtier:
        print(a)
else:
    trs = Transcription()
    trs.Add(filteredtier)
    sppas.src.annotationdata.aio.write(fileoutput, trs)
예제 #17
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    def __init__(self, name="NoName", mintime=0., maxtime=0.):
        """ Creates a new Phonedit Transcription instance. """

        Transcription.__init__(self, name, mintime, maxtime)
예제 #18
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    def run(self, input_filename, trsoutput=None, outputfile=None):
        """
        Apply momel from a pitch file.

        """
        self.print_filename(input_filename)
        self.print_options()
        self.print_diagnosis(input_filename)

        # Get pitch values from the input
        pitch = self.set_pitch(input_filename)
        # Selected values (Target points) for this set of pitch values
        targets = []

        # List of pitch values of one **estimated** Inter-Pausal-Unit (ipu)
        ipupitch = []
        # Number of consecutive null F0 values
        nbzero = 0
        # Current time value
        curtime = 0
        # For each f0 value of the wav file
        for p in pitch:
            if p == 0:
                nbzero += 1
            else:
                nbzero = 0
            ipupitch.append(p)

            # If the number of null values exceed 300ms,
            # we consider this is a silence and estimate Momel
            # on the recorded list of pitch values of the **estimated** IPU.
            if (nbzero * self.PAS_TRAME) > 299:
                if len(ipupitch) > 0 and (len(ipupitch) > nbzero):
                    # Estimates the real start time of the IPU
                    ipustarttime = curtime - (len(ipupitch)) + 1
                    try:
                        # It is supposed ipupitch starts at time = 0.
                        iputargets = self.momel.annotate(ipupitch)
                    except Exception as e:
                        if self.logfile is not None:
                            self.logfile.print_message(
                                'No Momel annotation between time ' +
                                str(ipustarttime * 0.01) + " and " +
                                str(curtime * 0.01) +
                                " due to the following error: " + str(e),
                                indent=2,
                                status=-1)
                        else:
                            print("Momel Error: " + str(e))
                        iputargets = []
                        pass
                    # Adjust time values in the targets
                    for i in range(len(iputargets)):
                        x = iputargets[i].get_x()
                        iputargets[i].set_x(ipustarttime + x)
                    # add this targets to the targets list
                    targets = targets + iputargets
                    del ipupitch[:]

            curtime += 1

        # last ipu
        iputargets = []
        if len(ipupitch) > 0 and (len(ipupitch) > nbzero):
            try:
                iputargets = self.momel.annotate(ipupitch)
            except Exception as e:
                if self.logfile is not None:
                    self.logfile.print_message(
                        'No Momel annotation between time ' +
                        str(ipustarttime * 0.01) + " and " +
                        str(curtime * 0.01) + " due to the following error: " +
                        str(e),
                        indent=2,
                        status=-1)
                else:
                    print("error: " + str(e))
                    iputargets = []
                pass
            ipustarttime = curtime - (len(ipupitch))
            # Adjust time values
            for i in range(len(iputargets)):
                x = iputargets[i].get_x()
                iputargets[i].set_x(ipustarttime + x)
            targets = targets + iputargets

        # Print results and/or estimate INTSINT (if any)
        if trsoutput:
            trsm = Transcription("TrsMomel")
            if outputfile:
                momeltier = self.print_targets(targets, outputfile, trs=trsm)
            else:
                momeltier = self.print_targets(targets,
                                               output_filename=None,
                                               trs=trsm)
            if self.logfile is not None:
                self.logfile.print_message(str(len(targets)) +
                                           " targets found.",
                                           indent=2,
                                           status=3)

            momeltier.SetRadius(
                0.005)  # because one pitch estimation each 10ms...
            sppas.src.annotationdata.aio.write(trsoutput, trsm)
        elif outputfile:
            self.print_targets(targets, outputfile, trs=None)
        else:
            self.print_targets(targets, output_filename='STDOUT', trs=None)
예제 #19
0
# ----------------------------------------------------------------------------
# Read

trsinput = sppas.src.annotationdata.aio.read(args.i)

# Take all tiers or specified tiers
tiersnumbs = list()
if not args.t:
    tiersnumbs = range(1, (trsinput.GetSize() + 1))
elif args.t:
    tiersnumbs = args.t

# ----------------------------------------------------------------------------
# Fill

trsout = Transcription()

for i in tiersnumbs:
    tier = trsinput[i - 1]

    tier = fill_gaps(tier, trsinput.GetMinTime(), trsinput.GetMaxTime())
    ctrlvocab = tier.GetCtrlVocab()
    if ctrlvocab is not None:
        if ctrlvocab.Contains(args.f) is False:
            ctrlvocab.Append(args.f, descr="Filler")

    print "Tier: ", tier.GetName()
    print "Fill empty intervals with", args.f, "(and merge with previous or following if any)"
    tier = fct_fill(tier, args.f)
    print "Merge intervals during less than", args.d
    tier = fct_clean(tier, args.f, args.d)
예제 #20
0
    def create_chunks(self, inputaudio, phontier, toktier, diralign):
        """ Create time-aligned tiers from raw intput tiers.

        :param inputaudio: (str) Name of the audio file
        :param phontier: (Tier) the tier with phonetization
        :param toktier:  (Tier) the tier with tokenization to split
        :param diralign: (str) the working directory to store temporary data.

        """
        trsoutput = Transcription("Chunks")

        # Extract the audio channel
        channel = autils.extract_audio_channel(inputaudio, 0)
        channel = autils.format_channel(channel, 16000, 2)

        # Extract the lists of tokens and their corresponding pronunciations
        pronlist = self._tier2raw(phontier, map=True).split()
        toklist = self._tier2raw(toktier, map=False).split()
        if len(pronlist) != len(toklist):
            raise IOError("Inconsistency between the number of items in "
                          "phonetization %d and tokenization %d." % (len(pronlist), len(toklist)))

        # At a first stage, we'll find anchors.
        anchor_tier = AnchorTier()
        anchor_tier.set_duration(channel.get_duration())
        anchor_tier.set_ext_delay(1.)
        anchor_tier.set_out_delay(0.5)

        # Search silences and use them as anchors.
        if self.SILENCES is True:
            anchor_tier.append_silences(channel)

        # Estimates the speaking rate (amount of tokens/sec. in average)
        self._spkrate.eval_from_duration(channel.get_duration(), len(toklist))

        # Multi-pass ASR to find anchors
        nb_anchors = -1      # number of anchors in the preceding pass
        ngram = self.N  # decreasing N-gram value
        win_length = self.W  # decreasing window length

        while nb_anchors != anchor_tier.GetSize() and anchor_tier.check_holes_ntokens(self.NBT) is False:

            anchor_tier.set_win_delay(win_length)
            nb_anchors = anchor_tier.GetSize()

            logging.debug(" =========================================================== ")
            logging.debug(" Number of anchors: %d" % nb_anchors)
            logging.debug(" N-gram:   %d" % ngram)
            logging.debug(" W-length: %d" % win_length)

            # perform ASR and append new anchors in the anchor tier (if any)
            self._asr(toklist, pronlist, anchor_tier, channel, diralign, ngram)

            # append the anchor tier as intermediate result
            if self.ANCHORS is True and nb_anchors != anchor_tier.GetSize():
                Chunks._append_tier(anchor_tier, trsoutput)
                out_name = os.path.join(diralign, "ANCHORS-%d.xra" % anchor_tier.GetSize())
                sppas.src.annotationdata.aio.write(out_name, trsoutput)

            # prepare next pass
            win_length = max(win_length-1., self.WMIN)
            ngram = max(ngram-1, self.NMIN)

        # Then, anchors are exported as tracks.
        tiert = anchor_tier.export(toklist)
        tiert.SetName("Chunks-Tokenized")
        tierp = anchor_tier.export(pronlist)
        tierp.SetName("Chunks-Phonetized")
        trsoutput.Append(tiert)
        trsoutput.Append(tierp)

        return trsoutput
예제 #21
0
if len(sys.argv) <= 1:
    sys.argv.append('-h')

args = parser.parse_args()

if not args.quiet:
    setup_logging(0, None)
else:
    setup_logging(30, None)

# ----------------------------------------------------------------------------
# Read

trs_input = sppas.src.annotationdata.aio.read(args.i)
trs_out = Transcription()

# ----------------------------------------------------------------------------
# Transform the PhonAlign tier to a Phonetization tier

try:
    align_tier = sppasSearchTier.aligned_phones(trs_input)
    logging.info("PhonAlign tier found.")
    phon_tier = unalign(align_tier)
    phon_tier.SetName("Phones")
    trs_out.Add(phon_tier)
except IOError:
    logging.info("PhonAlign tier not found.")

# ----------------------------------------------------------------------------
# Transform the TokensAlign tier to a Tokenization tier
예제 #22
0
if fname.endswith("-palign") is False:
    print("ERROR: MarsaTag plugin requires SPPAS alignment files "
          "(i.e. with -palign in its name).")
    sys.exit(1)

if fext.lower() != "textgrid":

    # read content
    trs_input = aio.read(filename)
    tier = trs_input.Find("TokensAlign", case_sensitive=False)
    if tier is None:
        print("ERROR: A tier with name TokensAlign is required.")
        sys.exit(1)

    # write as textgrid
    trs = Transcription(name="TokensAlign")
    trs.Append(tier)
    filename = fname + ".TextGrid"
    aio.write(filename, trs)

# ----------------------------------------------------------------------------
# Get MarsaTag path 

if len(args.p) == 0:
    print("ERROR: No given directory for MarsaTag software tool.")
    sys.exit(1)

if os.path.isdir(args.p) is False:
    print("ERROR: {:s} is not a valid directory.".format(args.p))
    sys.exit(1)
예제 #23
0
        if not args.quiet:
            if len(phones) != len(mappings):
                sys.stdout.write("%s (ignored) " % phoneme.encode('utf8'))
            else:
                sys.stdout.write("%s " % phoneme.encode('utf8'))

        for name, value in zip(tiernames, phones):
            mappings[name].add(phoneme, value)

if not args.quiet:
    print("\ndone...")

# ----------------------------------------------------------------------------
# Convert input file

trs = Transcription(name="PhonemesClassification")

if not args.quiet:
    print("Classifying...")
for name in mappings.keys():
    if not args.quiet:
        print(" - {:s}".format(name))
    new_tier = mappings[name].map_tier(tier)
    new_tier.SetName(name)
    trs.Append(new_tier)
print("done...")

# ----------------------------------------------------------------------------
# Write converted tiers

if not args.quiet:
예제 #24
0
파일: ipustrs.py 프로젝트: lym0302/sppas
class IPUsTrs(object):
    """
    :author:       Brigitte Bigi
    :organization: Laboratoire Parole et Langage, Aix-en-Provence, France
    :contact:      [email protected]
    :license:      GPL, v3
    :copyright:    Copyright (C) 2011-2017  Brigitte Bigi
    :summary:      An IPUs segmentation from an already annotated data file.

    """
    def __init__(self, trs):
        """ Creates a new IPUsTrs instance.

        :param trs: (Transcription) Input transcription from which it's
        possible to extract IPUs.
        Expected tiers are:
            - first tier: the IPUs content [required]
            - second tier: the IPUs file names [optional]

        """
        super(IPUsTrs, self).__init__()
        
        self._trsinput = Transcription()
        self._units = list()  # List of the content of the units (if any)
        self._names = list()  # List of file names for IPUs (if any)
        self.set_transcription(trs)

    # ------------------------------------------------------------------

    def get_units(self):
        """ Return the list of the IPUs contents. """
        
        return self._units

    # ------------------------------------------------------------------

    def get_names(self):
        """ Return the list of file names for IPUs. """

        return self._names

    # ------------------------------------------------------------------
    # Manage Transcription
    # ------------------------------------------------------------------

    def set_transcription(self, trs):
        """ Set a new Transcription.

        :param trs: (Transcription) Input transcription from which it's
        possible to extract IPUs.

        """
        if trs is not None:
            self._trsinput = trs
        else:
            self._trsinput = Transcription()

    # ------------------------------------------------------------------
    # Units search
    # ------------------------------------------------------------------

    def extract_bounds(self):
        """ Return bound values.

        Bound values are boolean to know if we expect a silence at start
        or end of the given transcription. It is relevant only if the
        transcription was created from a non-aligned file.

        """
        # False means that I DON'T know if there is a silence:
        # It does not mean that there IS NOT a silence.
        # However, True means that there is a silence, for sure!
        bound_start = False
        bound_end = False

        if len(self._trsinput) > 0:

            # Check tier
            tier = self._trsinput[0]
            if tier.GetSize() == 0:
                raise IOError('Got no utterances.')

            # Fix bounds
            if tier[0].GetLabel().IsSilence() is True:
                bound_start = True
            if tier[-1].GetLabel().IsSilence() is True and tier.GetSize() > 1:
                bound_end = True

        return bound_start, bound_end

    # ------------------------------------------------------------------

    def extract(self):
        """ Extract units and (if any) extract tracks and silences.

        :returns: tracks and silences, with time as seconds.

        """
        self._units = list()
        self._names = list()

        if self._trsinput.GetSize() == 0:
            return [], []

        trstier = self._trsinput[0]
        nametier = None
        if self._trsinput.GetSize() == 2:
            nametier = self._trsinput[1]

        tracks = []
        silences = []
        if trstier.GetSize() == 0:
            raise IOError('Got no utterances.')

        if trstier[0].GetLocation().GetValue().IsTimeInterval():
            (tracks, silences) = self.extract_aligned(trstier, nametier)
        else:
            self.extract_units()

        return tracks, silences

    # ------------------------------------------------------------------

    def extract_units(self):
        """ Extract IPUs content from a non-aligned transcription file.

        """
        self._units = []
        self._names = []

        tier = self._trsinput[0]
        if tier.GetSize() == 0:
            raise IOError('Got no utterances.')

        i = 0
        for ann in tier:
            if ann.GetLabel().IsSilence() is False:
                self._units.append(ann.GetLabel().GetValue())
                self._names.append("track_%.06d" % (i+1))
                i += 1

    # ------------------------------------------------------------------

    def extract_aligned(self, trstier, nametier):
        """ Extract from a time-aligned transcription file.

        :returns: a tuple with tracks and silences lists

        """
        trstracks = []
        silences = []
        self._units = list()
        self._names = list()

        i = 0
        last = trstier.GetSize()
        while i < last:
            # Set the current annotation values
            ann = trstier[i]

            # Save information
            if ann.GetLabel().IsSilence():
                start = ann.GetLocation().GetBegin().GetMidpoint()
                end = ann.GetLocation().GetEnd().GetMidpoint()
                # Verify next annotations (concatenate all silences between 2 tracks)
                if (i + 1) < last:
                    nextann = trstier[i + 1]
                    while (i + 1) < last and nextann.GetLabel().IsSilence():
                        end = nextann.GetLocation().GetEnd().GetMidpoint()
                        i += 1
                        if (i + 1) < last:
                            nextann = trstier[i + 1]
                silences.append([start, end])
            else:
                start = ann.GetLocation().GetBegin().GetMidpoint()
                end = ann.GetLocation().GetEnd().GetMidpoint()
                trstracks.append([start, end])
                self._units.append(ann.GetLabel().GetValue())

                if nametier is not None:
                    aname = nametier.Find(ann.GetLocation().GetBegin().GetMidpoint(),
                                          ann.GetLocation().GetEnd().GetMidpoint(), True)
                    if len(aname) == 0:
                        trstracks.pop()
                        self._units.pop()
                    else:
                        sf = sppasFileUtils(aname[0].GetLabel().GetValue())
                        # We have to take care in case of duplicated names
                        filename = sf.clear_whitespace()
                        if len(filename) == 0:
                            filename = "unnamed_track"
                        new_name = filename
                        idx = 2
                        while new_name in self._names:
                            new_name = u"%s_%.06d" % (filename, idx)
                            idx += 1
                        self._names.append(new_name)

            # Continue
            i += 1

        return trstracks, silences