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view_av.py
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# -*- coding: utf-8 -*-
'''
Copyright (c) 2020 Colin Curtain
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
Author: Colin Curtain (ccbogel)
https://github.com/ccbogel/QualCoder
https://qualcoder.wordpress.com/
'''
from copy import deepcopy
import datetime
import logging
import os
import platform
from random import randint
import re
import sys
import time
import traceback
path = os.path.abspath(os.path.dirname(__file__))
logger = logging.getLogger(__name__)
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.Qt import QHelpEvent
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QBrush
# https://stackoverflow.com/questions/59014318/filenotfounderror-could-not-find-module-libvlc-dll
if sys.platform.startswith("win"):
try:
# Older x86 32 bit location
os.add_dll_directory(r'C:\Program Files (x86)\VideoLAN\VLC')
except Exception as e:
logger.debug(str(e))
# Commented below out, as this would be less common location.
# Uncomment if desired
# QtWidgets.QMessageBox.critical(None, _('Add DLL Exception'), str(e))
try:
os.add_dll_directory(r'C:\Program Files\VideoLAN\VLC')
except Exception as e:
# Commented below out, uncomment if desired
# QtWidgets.QMessageBox.critical(None, _('Add DLL Exception'), str(e))
logger.debug(str(e))
vlc_msg = ""
try:
import vlc
except Exception as e:
vlc_msg = str(e) + "\n"
if sys.platform.startswith("win"):
imp = False
if not imp:
msg = str(e) + "\n"
msg = "view_av. Cannot import vlc\n"
msg += "Ensure you have 64 bit python AND 64 bit VLC installed OR\n"
msg += "32 bit python AND 32 bit VLC installed."
print(msg)
vlc_msg = msg
QtWidgets.QMessageBox.critical(None, _('Cannot import vlc'), vlc_msg)
from add_item_name import DialogAddItemName
from color_selector import DialogColorSelect
from color_selector import colors
from confirm_delete import DialogConfirmDelete
from GUI.ui_dialog_code_av import Ui_Dialog_code_av
from GUI.ui_dialog_view_av import Ui_Dialog_view_av
from helpers import msecs_to_mins_and_secs
from memo import DialogMemo
from select_items import DialogSelectItems
def exception_handler(exception_type, value, tb_obj):
""" Global exception handler useful in GUIs.
tb_obj: exception.__traceback__ """
tb = '\n'.join(traceback.format_tb(tb_obj))
text = 'Traceback (most recent call last):\n' + tb + '\n' + exception_type.__name__ + ': ' + str(value)
print(text)
logger.error(_("Uncaught exception: ") + text)
mb = QtWidgets.QMessageBox()
mb.setStyleSheet("* {font-size: 12pt}")
mb.setWindowTitle(_('Uncaught Exception'))
mb.setText(text)
mb.exec_()
class DialogCodeAV(QtWidgets.QDialog):
""" View and code audio and video segments.
Create codes and categories. """
app = None
dialog_list = None
parent_textEdit = None
filename = None
files = []
codes = []
categories = []
code_text = []
ddialog = None
media_data = None
instance = None
mediaplayer = None
media = None
metadata = None
is_paused = False
segment = {}
segments = []
text_for_segment = {} # when linking text to segment
segment_for_text = None # when linking segment to text
timer = QtCore.QTimer()
play_segment_end = None
# for transcribed text
annotations = []
code_text = []
transcription = None # A tuple of id, fulltext, name
# transcribed timepositions as list of [text_pos0, text_pos1, milliseconds]
time_positions = []
def __init__(self, app, parent_textEdit, dialog_list):
""" Show list of audio and video files.
Can create a transcribe file from the audio / video.
"""
super(DialogCodeAV, self).__init__()
sys.excepthook = exception_handler
self.app = app
self.dialog_list = dialog_list
self.parent_textEdit = parent_textEdit
if vlc_msg != "":
self.parent_textEdit.append(vlc_msg)
self.codes = []
self.categories = []
self.annotations = []
self.code_text = []
self.time_positions = []
self.transcription = None
self.media_data = None
self.segment['start'] = None
self.segment['end'] = None
self.segment['start_msecs'] = None
self.segment['end_msecs'] = None
self.play_segment_end = None
self.segments = []
self.text_for_segment = {'cid': None, 'fid': None, 'seltext': None, 'pos0': None, 'pos1': None, 'owner': None,
'memo': None, 'date': None, 'avid': None}
self.segment_for_text = None
self.get_codes_and_categories()
self.get_list_of_media()
QtWidgets.QDialog.__init__(self)
self.ui = Ui_Dialog_code_av()
self.ui.setupUi(self)
try:
w = int(self.app.settings['dialogcodeav_w'])
h = int(self.app.settings['dialogcodeav_h'])
if h > 50 and w > 50:
self.resize(w, h)
x = int(self.app.settings['codeav_abs_pos_x'])
y = int(self.app.settings['codeav_abs_pos_y'])
self.move(self.mapToGlobal(QtCore.QPoint(x, y)))
except:
pass
self.setWindowFlags(self.windowFlags() & ~QtCore.Qt.WindowContextHelpButtonHint)
self.ui.splitter.setSizes([100, 200])
# until any media is selected disable some widgets
self.ui.pushButton_play.setEnabled(False)
self.ui.pushButton_coding.setEnabled(False)
self.ui.horizontalSlider.setEnabled(False)
self.installEventFilter(self) # for rewind, play/stop
# Prepare textEdit for coding transcribed text
self.ui.textEdit.setPlainText("")
self.ui.textEdit.setAutoFillBackground(True)
self.ui.textEdit.setToolTip("")
self.ui.textEdit.setMouseTracking(True)
self.ui.textEdit.setReadOnly(True)
self.eventFilterTT = ToolTip_EventFilter()
self.ui.textEdit.installEventFilter(self.eventFilterTT)
self.ui.textEdit.setContextMenuPolicy(Qt.CustomContextMenu)
self.ui.textEdit.customContextMenuRequested.connect(self.textEdit_menu)
font = 'font: ' + str(self.app.settings['fontsize']) + 'pt '
font += '"' + self.app.settings['font'] + '";'
self.setStyleSheet(font)
font = 'font: ' + str(self.app.settings['treefontsize']) + 'pt '
font += '"' + self.app.settings['font'] + '";'
self.ui.treeWidget.setStyleSheet(font)
self.ui.label_coder.setText(_("Coder: ") + self.app.settings['codername'])
self.setWindowTitle(_("Media coding"))
self.ui.pushButton_select.setContextMenuPolicy(Qt.CustomContextMenu)
self.ui.pushButton_select.customContextMenuRequested.connect(self.select_media_menu)
self.ui.pushButton_select.pressed.connect(self.select_media)
# self.ui.checkBox_show_coders.stateChanged.connect(self.show_or_hide_coders)
self.ui.treeWidget.setDragEnabled(True)
self.ui.treeWidget.setAcceptDrops(True)
self.ui.treeWidget.setDragDropMode(QtWidgets.QAbstractItemView.InternalMove)
self.ui.treeWidget.viewport().installEventFilter(self)
self.ui.treeWidget.setContextMenuPolicy(Qt.CustomContextMenu)
self.ui.treeWidget.customContextMenuRequested.connect(self.tree_menu)
self.ui.treeWidget.itemClicked.connect(self.assign_selected_text_to_code)
self.fill_tree()
# My solution to getting gui mouse events by putting vlc video in another dialog
# A display-dialog named ddialog
# Otherwise, the vlc player hogs all the mouse events
self.ddialog = QtWidgets.QDialog()
# Enable custom window hint
self.ddialog.setWindowFlags(self.ddialog.windowFlags() | QtCore.Qt.CustomizeWindowHint)
# Disable close button, only close through closing the Ui_Dialog_code_av
self.ddialog.setWindowFlags(self.ddialog.windowFlags() & ~QtCore.Qt.WindowCloseButtonHint)
self.ddialog.gridLayout = QtWidgets.QGridLayout(self.ddialog)
self.ddialog.dframe = QtWidgets.QFrame(self.ddialog)
self.ddialog.dframe.setObjectName("frame")
if platform.system() == "Darwin": # For MacOS
self.ddialog.dframe = QtWidgets.QMacCocoaViewContainer(0)
self.palette = self.ddialog.dframe.palette()
self.palette.setColor(QtGui.QPalette.Window, QtGui.QColor(30, 30, 30))
self.ddialog.dframe.setPalette(self.palette)
self.ddialog.dframe.setAutoFillBackground(True)
self.ddialog.gridLayout.addWidget(self.ddialog.dframe, 0, 0, 0, 0)
# enable custom window hint - must be set to enable customizing window controls
self.ddialog.setWindowFlags(self.ddialog.windowFlags() | QtCore.Qt.CustomizeWindowHint)
# disable close button, only close through closing the Ui_Dialog_view_av
self.ddialog.setWindowFlags(self.ddialog.windowFlags() & ~QtCore.Qt.WindowCloseButtonHint)
self.ddialog.setWindowFlags(self.ddialog.windowFlags() & ~QtCore.Qt.WindowContextHelpButtonHint)
# add context menu for ddialog
self.ddialog.setContextMenuPolicy(Qt.CustomContextMenu)
self.ddialog.customContextMenuRequested.connect(self.ddialog_menu)
# Create a vlc instance with an empty vlc media player
# https://stackoverflow.com/questions/55339786/how-to-turn-off-vlcpulse-audio-from-python-program
self.instance = vlc.Instance()
self.mediaplayer = self.instance.media_player_new()
self.mediaplayer.video_set_mouse_input(False)
self.mediaplayer.video_set_key_input(False)
self.ui.horizontalSlider.setTickPosition(QtWidgets.QSlider.NoTicks)
self.ui.horizontalSlider.setMouseTracking(True)
self.ui.horizontalSlider.installEventFilter(self)
self.ui.horizontalSlider.sliderMoved.connect(self.set_position)
self.ui.pushButton_play.clicked.connect(self.play_pause)
self.ui.horizontalSlider_vol.valueChanged.connect(self.set_volume)
self.ui.pushButton_coding.pressed.connect(self.create_or_clear_segment)
self.ui.comboBox_tracks.currentIndexChanged.connect(self.audio_track_changed)
# Set the scene for coding stripes
# Matches the designer file graphics view size
self.scene_width = 990
self.scene_height = 110
self.scene = GraphicsScene(self.scene_width, self.scene_height)
self.ui.graphicsView.setScene(self.scene)
self.ui.graphicsView.setContextMenuPolicy(QtCore.Qt.DefaultContextMenu)
def ddialog_menu(self, position):
""" Context menu to export a screenshot, to resize dialog """
menu = QtWidgets.QMenu()
menu.setStyleSheet("QMenu {font-size:" + str(self.app.settings['fontsize']) + "pt} ")
ActionScreenshot = menu.addAction(_("Screenshot"))
ActionResize = menu.addAction(_("Resize"))
action = menu.exec_(self.ddialog.mapToGlobal(position))
if action == ActionScreenshot:
time.sleep(0.5)
screen = QtWidgets.QApplication.primaryScreen()
screenshot = screen.grabWindow(self.ddialog.winId())
screenshot.save(self.app.settings['directory'] + '/Frame_' + datetime.datetime.now().astimezone().strftime(
"%Y%m%d_%H_%M_%S") + '.jpg', 'jpg')
if action == ActionResize:
w = self.ddialog.size().width()
h = self.ddialog.size().height()
res_w = QtWidgets.QInputDialog.getInt(None, _("Width"), _("Width:"), w, 100, 2000, 5)
if res_w[1]:
w = res_w[0]
res_h = QtWidgets.QInputDialog.getInt(None, _("Height"), _("Height:"), h, 80, 2000, 5)
if res_h[1]:
h = res_h[0]
self.ddialog.resize(w, h)
def get_codes_and_categories(self):
""" Called from init, delete category/code, event_filter. """
self.codes, self.categories = self.app.get_data()
def get_list_of_media(self):
self.files = []
cur = self.app.conn.cursor()
cur.execute("select name, id, memo, owner, date, mediapath from source where \
substr(mediapath,1,6) in ('/audio','/video') order by name")
result = cur.fetchall()
for row in result:
self.files.append({'name': row[0], 'id': row[1], 'memo': row[2],
'owner': row[3], 'date': row[4], 'mediapath': row[5]})
def assign_selected_text_to_code(self):
""" Assign selected text on left-click on code in tree. """
current = self.ui.treeWidget.currentItem()
if current.text(1)[0:3] == 'cat':
return
code_for_underlining = None
for c in self.codes:
if current.text(0) == c['name']:
code_for_underlining = c
break
selected_text = self.ui.textEdit.textCursor().selectedText()
if len(selected_text) > 0:
self.mark()
self.underline_text_of_this_code(code_for_underlining)
def underline_text_of_this_code(self, code_for_underlining):
""" User interface, highlight coded text selections for the currently selected code.
Qt underline options: # NoUnderline, SingleUnderline, DashUnderline, DotLine, DashDotLine, WaveUnderline
param:
code_for_underlining: dictionary of the code to be underlined """
# Remove all underlining
selstart = 0
selend = len(self.ui.textEdit.toPlainText())
format = QtGui.QTextCharFormat()
format.setUnderlineStyle(QtGui.QTextCharFormat.NoUnderline)
cursor = self.ui.textEdit.textCursor()
cursor.setPosition(selstart)
cursor.setPosition(selend, QtGui.QTextCursor.KeepAnchor)
cursor.mergeCharFormat(format)
# Apply underlining in for selected coded text
format = QtGui.QTextCharFormat()
format.setUnderlineStyle(QtGui.QTextCharFormat.DashUnderline)
cursor = self.ui.textEdit.textCursor()
for coded_text in self.code_text:
if coded_text['cid'] == code_for_underlining['cid']:
cursor.setPosition(int(coded_text['pos0']), QtGui.QTextCursor.MoveAnchor)
cursor.setPosition(int(coded_text['pos1']), QtGui.QTextCursor.KeepAnchor)
cursor.mergeCharFormat(format)
def fill_tree(self):
""" Fill tree widget, tope level items are main categories and unlinked codes. """
cats = deepcopy(self.categories)
codes = deepcopy(self.codes)
self.ui.treeWidget.clear()
self.ui.treeWidget.setColumnCount(4)
self.ui.treeWidget.setHeaderLabels([_("Name"), _("Id"), _("Memo"), _("Count")])
if self.app.settings['showids'] == 'False':
self.ui.treeWidget.setColumnHidden(1, True)
else:
self.ui.treeWidget.setColumnHidden(1, False)
self.ui.treeWidget.header().setSectionResizeMode(QtWidgets.QHeaderView.ResizeToContents)
self.ui.treeWidget.header().setStretchLastSection(False)
# add top level categories
remove_list = []
for c in cats:
if c['supercatid'] is None:
memo = ""
if c['memo'] != "" and c['memo'] is not None:
memo = "Memo"
top_item = QtWidgets.QTreeWidgetItem([c['name'], 'catid:' + str(c['catid']), memo])
top_item.setToolTip(2, c['memo'])
self.ui.treeWidget.addTopLevelItem(top_item)
remove_list.append(c)
for item in remove_list:
# try:
cats.remove(item)
# except Exception as e:
# print(e, item)
''' Add child categories. Look at each unmatched category, iterate through tree
to add as child, then remove matched categories from the list. '''
count = 0
while len(cats) > 0 and count < 10000:
remove_list = []
# logger.debug("cats:" + str(cats))
for c in cats:
it = QtWidgets.QTreeWidgetItemIterator(self.ui.treeWidget)
item = it.value()
count2 = 0
while item and count2 < 10000: # while there is an item in the list
if item.text(1) == 'catid:' + str(c['supercatid']):
memo = ""
if c['memo'] != "":
memo = "Memo"
child = QtWidgets.QTreeWidgetItem([c['name'], 'catid:' + str(c['catid']), memo])
child.setToolTip(2, c['memo'])
item.addChild(child)
remove_list.append(c)
it += 1
item = it.value()
count2 += 1
for item in remove_list:
cats.remove(item)
count += 1
# add unlinked codes as top level items
remove_items = []
for c in codes:
if c['catid'] is None:
memo = ""
if c['memo'] != "" and c['memo'] is not None:
memo = "Memo"
top_item = QtWidgets.QTreeWidgetItem([c['name'], 'cid:' + str(c['cid']), memo])
top_item.setToolTip(2, c['memo'])
top_item.setBackground(0, QBrush(QtGui.QColor(c['color']), Qt.SolidPattern))
top_item.setFlags(
Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
self.ui.treeWidget.addTopLevelItem(top_item)
remove_items.append(c)
for item in remove_items:
codes.remove(item)
# add codes as children
for c in codes:
it = QtWidgets.QTreeWidgetItemIterator(self.ui.treeWidget)
item = it.value()
count = 0
while item and count < 10000:
if item.text(1) == 'catid:' + str(c['catid']):
memo = ""
if c['memo'] != "" and c['memo'] is not None:
memo = _("Memo")
child = QtWidgets.QTreeWidgetItem([c['name'], 'cid:' + str(c['cid']), memo])
child.setBackground(0, QBrush(QtGui.QColor(c['color']), Qt.SolidPattern))
child.setToolTip(2, c['memo'])
child.setFlags(
Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
item.addChild(child)
c['catid'] = -1 # make unmatchable
it += 1
item = it.value()
count += 1
self.ui.treeWidget.expandAll()
def fill_code_counts_in_tree(self):
""" Count instances of each code for current coder and in the selected file. """
if self.media_data is None:
return
cur = self.app.conn.cursor()
sql = "select count(cid) from code_av where cid=? and id=? and owner=?"
sql_txt = "select count(cid) from code_text where cid=? and fid=? and owner=?"
it = QtWidgets.QTreeWidgetItemIterator(self.ui.treeWidget)
item = it.value()
count = 0
while item and count < 10000:
if item.text(1)[0:4] == "cid:":
cid = str(item.text(1)[4:])
cur.execute(sql, [cid, self.media_data['id'], self.app.settings['codername']])
result_av = cur.fetchone()
result_txt = [0]
try: # may not have a text file
cur.execute(sql_txt, [cid, self.transcription[0], self.app.settings['codername']])
result_txt = cur.fetchone()
except:
pass
result = result_av[0] + result_txt[0]
if result > 0:
item.setText(3, str(result))
else:
item.setText(3, "")
it += 1
item = it.value()
count += 1
def select_media_menu(self, position):
""" Context menu to select the next image alphabetically, or
to select the image that was most recently coded """
if len(self.files) < 2:
return
menu = QtWidgets.QMenu()
menu.setStyleSheet("QMenu {font-size:" + str(self.app.settings['fontsize']) + "pt} ")
action_next = menu.addAction(_("Next file"))
action_latest = menu.addAction(_("File with latest coding"))
action = menu.exec_(self.ui.pushButton_select.mapToGlobal(position))
if action == action_next:
if self.media_data is None:
self.media_data = self.files[0]
self.load_media()
self.load_segments()
self.fill_code_counts_in_tree()
return
for i in range(0, len(self.files) - 1):
if self.media_data == self.files[i]:
found = self.files[i + 1]
self.media_data = found
self.load_media()
self.load_segments()
self.fill_code_counts_in_tree()
return
if action == action_latest:
sql = "SELECT id FROM code_av where owner=? order by date desc limit 1"
cur = self.app.conn.cursor()
cur.execute(sql, [self.app.settings['codername'], ])
result = cur.fetchone()
if result is None:
return
for f in self.files:
if f['id'] == result[0]:
self.media_data = f
self.load_media()
self.load_segments()
self.fill_code_counts_in_tree()
return
def select_media(self):
""" A dialog of filenames is presented to the user.
The selected media file is then displayed for coding. """
if self.files == []:
return
ui = DialogSelectItems(self.app, self.files, _("Select file to view"), "single")
ok = ui.exec_()
if not ok:
return
self.media_data = ui.get_selected()
self.load_media()
self.load_segments()
self.fill_code_counts_in_tree()
def load_segments(self):
""" Get coded segments for this file and for this coder.
Called from select_media. """
if self.media_data is None:
return
self.segments = []
sql = "select avid, id, pos0, pos1, code_av.cid, code_av.memo, code_av.date, "
sql += " code_av.owner, code_name.name, code_name.color from code_av"
sql += " join code_name on code_name.cid=code_av.cid"
sql += " where id=? "
sql += " and code_av.owner=? "
values = [self.media_data['id']]
values.append(self.app.settings['codername'])
cur = self.app.conn.cursor()
cur.execute(sql, values)
code_results = cur.fetchall()
for row in code_results:
self.segments.append({'avid': row[0], 'id': row[1], 'pos0': row[2],
'pos1': row[3], 'cid': row[4], 'memo': row[5], 'date': row[6],
'owner': row[7], 'codename': row[8], 'color': row[9], 'y': 10})
# Fix overlapping segments by incrementing y values so segment is shown on a different line
for i in range(0, len(self.segments) - 1):
for j in range(i + 1, len(self.segments)):
if (self.segments[j]['pos0'] >= self.segments[i]['pos0'] and \
self.segments[j]['pos0'] <= self.segments[i]['pos1'] and \
self.segments[i]['y'] == self.segments[j]['y']) or \
(self.segments[j]['pos0'] <= self.segments[i]['pos0'] and \
self.segments[j]['pos1'] >= self.segments[i]['pos0'] and \
self.segments[i]['y'] == self.segments[j]['y']):
# print("\nOVERLAP i:", self.segments[i]['pos0'], self.segments[i]['pos1'], self.segments[i]['y'], self.segments[i]['codename'])
# print("OVERLAP j:", self.segments[j]['pos0'], self.segments[j]['pos1'], self.segments[j]['y'], self.segments[j]['codename'])
# to overcome the overlap, add to the y value of the i segment
self.segments[j]['y'] += 10
# Draw coded segments in scene
scaler = self.scene_width / self.media.get_duration()
self.scene.clear()
for s in self.segments:
self.scene.addItem(SegmentGraphicsItem(self.app, s, scaler, self.text_for_segment, self))
def load_media(self):
""" Add media to media dialog. """
try:
self.media = self.instance.media_new(self.app.project_path + self.media_data['mediapath'])
except Exception as e:
mb = QtWidgets.QMessageBox()
mb.setStyleSheet("* {font-size:" + str(self.app.settings['fontsize']) + "pt} ")
mb.setWindowTitle(_('Media not found'))
mb.setText(str(e) + "\n" + self.app.project_path + self.media_data['mediapath'])
mb.exec_()
self.closeEvent()
return
self.ddialog.setWindowTitle(self.media_data['name'])
self.setWindowTitle(_("Media coding: ") + self.media_data['name'])
self.ui.pushButton_play.setEnabled(True)
self.ui.horizontalSlider.setEnabled(True)
self.ui.pushButton_coding.setEnabled(True)
if self.media_data['mediapath'][0:7] != "/audio/":
self.ddialog.show()
try:
w = int(self.app.settings['video_w'])
h = int(self.app.settings['video_h'])
if w < 100 or h < 80:
w = 100
h = 80
self.ddialog.resize(w, h)
x = int(self.app.settings['codeav_video_pos_x']) - int(self.app.settings['codeav_abs_pos_x'])
y = int(self.app.settings['codeav_video_pos_y']) - int(self.app.settings['codeav_abs_pos_y'])
self.ddialog.move(self.mapToGlobal(QtCore.QPoint(x, y)))
except:
self.ddialog.resize(500, 400)
else:
self.ddialog.hide()
# clear comboBox tracks options and reload when playing/pausing
self.ui.comboBox_tracks.clear()
# Put the media in the media player
self.mediaplayer.set_media(self.media)
# Parse the metadata of the file
self.media.parse()
self.mediaplayer.video_set_mouse_input(False)
self.mediaplayer.video_set_key_input(False)
# The media player has to be connected to the QFrame (otherwise the
# video would be displayed in it's own window). This is platform
# specific, so we must give the ID of the QFrame (or similar object) to
# vlc. Different platforms have different functions for this
if platform.system() == "Linux": # for Linux using the X Server
# self.mediaplayer.set_xwindow(int(self.ui.frame.winId()))
self.mediaplayer.set_xwindow(int(self.ddialog.dframe.winId()))
elif platform.system() == "Windows": # for Windows
self.mediaplayer.set_hwnd(int(self.ddialog.winId()))
elif platform.system() == "Darwin": # for MacOS
self.mediaplayer.set_nsobject(int(self.ddialog.winId()))
msecs = self.media.get_duration()
self.media_duration_text = "Duration: " + msecs_to_mins_and_secs(msecs)
self.ui.label_time_2.setText(self.media_duration_text)
self.timer = QtCore.QTimer(self)
self.timer.setInterval(100)
self.timer.timeout.connect(self.update_ui)
# Get the transcribed text and fill textedit
cur = self.app.conn.cursor()
cur.execute("select id, fulltext, name from source where name = ?", [self.media_data['name'] + ".transcribed"])
self.transcription = cur.fetchone()
if self.transcription is None:
return
self.ui.textEdit.setText(self.transcription[1])
self.ui.textEdit.ensureCursorVisible()
self.get_timestamps_from_transcription()
# get text annotations
cur = self.app.conn.cursor()
cur.execute("select anid, fid, pos0, pos1, memo, owner, date from annotation where owner=? and fid=?",
[self.app.settings['codername'], self.transcription[0]])
result = cur.fetchall()
for row in result:
self.annotations.append({'anid': row[0], 'fid': row[1], 'pos0': row[2],
'pos1': row[3], 'memo': row[4], 'owner': row[5], 'date': row[6]})
self.get_coded_text_update_eventfilter_tooltips()
def get_coded_text_update_eventfilter_tooltips(self):
""" Called by load_media, update_dialog_codes_and_categories,
Segment_Graphics_Item.link_text_to_segment.
link_segment_to_text"""
if self.transcription is None:
return
# Get code text for this file and for this coder
values = [self.transcription[0], self.app.settings['codername']]
cur = self.app.conn.cursor()
self.code_text = []
# seltext length, longest first, so overlapping shorter text is superimposed.
sql = "select code_text.cid, code_text.fid, seltext, code_text.pos0, code_text.pos1, "
sql += "code_text.owner, code_text.date, code_text.memo, code_text.avid,code_av.pos0, code_av.pos1 "
sql += "from code_text left join code_av on code_text.avid = code_av.avid "
sql += " where code_text.fid=? and code_text.owner=? order by length(seltext) desc"
cur.execute(sql, values)
code_results = cur.fetchall()
for row in code_results:
self.code_text.append({'cid': row[0], 'fid': row[1], 'seltext': row[2],
'pos0': row[3], 'pos1': row[4], 'owner': row[5], 'date': row[6],
'memo': row[7], 'avid': row[8], 'av_pos0': row[9], 'av_pos1': row[10]})
# Update filter for tooltip and redo formatting
self.eventFilterTT.setCodes(self.code_text, self.codes)
self.unlight()
self.highlight()
def get_timestamps_from_transcription(self):
""" Get a list of starting/ending characterpositions and time in milliseconds
from transcribed text file.
Example formats: [00:34:12] [45:33] [01.23.45] [02.34] {00.34.20}
#00:12:34.567#
09:33:04,100 --> 09:33:09,600
Converts hh mm ss to milliseconds with text positions stored in a list
The list contains lists of [text_pos0, text_pos1, milliseconds] """
mmss1 = "\[[0-9]?[0-9]:[0-9][0-9]\]"
hhmmss1 = "\[[0-9][0-9]:[0-9][0-9]:[0-9][0-9]\]"
mmss2 = "\[[0-9]?[0-9]\.[0-9][0-9]\]"
hhmmss2 = "\[[0-9][0-9]\.[0-9][0-9]\.[0-9][0-9]\]"
hhmmss3 = "\{[0-9][0-9]\:[0-9][0-9]\:[0-9][0-9]\}"
hhmmss_sss = "#[0-9][0-9]:[0-9][0-9]:[0-9][0-9]\.[0-9]{1,3}#" # allow for 1 to 3 msecs digits
srt = "[0-9][0-9]:[0-9][0-9]:[0-9][0-9],[0-9][0-9][0-9]\s-->\s[0-9][0-9]:[0-9][0-9]:[0-9][0-9],[0-9][0-9][0-9]"
self.time_positions = []
for match in re.finditer(mmss1, self.transcription[1]):
stamp = match.group()[1:-1]
s = stamp.split(':')
try:
msecs = (int(s[0]) * 60 + int(s[1])) * 1000
self.time_positions.append([match.span()[0], match.span()[1], msecs])
except:
pass
for match in re.finditer(hhmmss1, self.transcription[1]):
stamp = match.group()[1:-1]
s = stamp.split(':')
try:
msecs = (int(s[0]) * 3600 + int(s[1]) * 60 + int(s[2])) * 1000
self.time_positions.append([match.span()[0], match.span()[1], msecs])
except:
pass
for match in re.finditer(mmss2, self.transcription[1]):
stamp = match.group()[1:-1]
s = stamp.split('.')
try:
msecs = (int(s[0]) * 60 + int(s[1])) * 1000
self.time_positions.append([match.span()[0], match.span()[1], msecs])
except:
pass
for match in re.finditer(hhmmss2, self.transcription[1]):
stamp = match.group()[1:-1]
s = stamp.split('.')
try:
msecs = (int(s[0]) * 3600 + int(s[1]) * 60 + int(s[2])) * 1000
self.time_positions.append([match.span()[0], match.span()[1], msecs])
except:
pass
for match in re.finditer(hhmmss3, self.transcription[1]):
stamp = match.group()[1:-1]
s = stamp.split('.')
try:
msecs = (int(s[0]) * 3600 + int(s[1]) * 60 + int(s[2])) * 1000
self.time_positions.append([match.span()[0], match.span()[1], msecs])
except:
pass
for match in re.finditer(hhmmss_sss, self.transcription[1]):
# Format #00:12:34.567#
stamp = match.group()[1:-1]
text_hms = stamp.split(':')
text_secs = text_hms[2].split('.')[0]
text_msecs = text_hms[2].split('.')[1]
# adjust msecs to 1000's for 1 or 2 digit strings
if len(text_msecs) == 1:
text_msecs += "00"
if len(text_msecs) == 2:
text_msecs += "0"
try:
msecs = (int(text_hms[0]) * 3600 + int(text_hms[1]) * 60 + int(text_secs)) * 1000 + int(text_msecs)
self.time_positions.append([match.span()[0], match.span()[1], msecs])
except:
pass
for match in re.finditer(srt, self.transcription[1]):
# Format 09:33:04,100 --> 09:33:09,600 skip the arrow and second time position
stamp = match.group()[0:12]
s = stamp.split(':')
s2 = s[2].split(',')
try:
msecs = (int(s[0]) * 3600 + int(s[1]) * 60 + int(s2[0])) * 1000 + int(s2[1])
self.time_positions.append([match.span()[0], match.span()[1], msecs])
except:
pass
# print(self.time_positions)
def set_position(self):
""" Set the movie position according to the position slider.
The vlc MediaPlayer needs a float value between 0 and 1, Qt uses
integer variables, so you need a factor; the higher the factor, the
more precise are the results (1000 should suffice).
"""
self.timer.stop()
pos = self.ui.horizontalSlider.value()
self.mediaplayer.set_position(pos / 1000.0)
self.timer.start()
def audio_track_changed(self):
""" Audio track changed.
The video needs to be playing/paused before the combobox is filled with track options.
The combobox only has positive integers."""
text = self.ui.comboBox_tracks.currentText()
if text == "":
text = 1
# print("text: ", text)
success = self.mediaplayer.audio_set_track(int(text))
# print("changed audio ", success)
def play_pause(self):
""" Toggle play or pause status. """
if self.mediaplayer.is_playing():
self.mediaplayer.pause()
self.ui.pushButton_play.setText(_("Play"))
self.is_paused = True
self.timer.stop()
else:
if self.mediaplayer.play() == -1:
return
# On play rewind one second
time_msecs = self.mediaplayer.get_time() - 2000
if time_msecs < 0:
time_msecs = 0
pos = time_msecs / self.mediaplayer.get_media().get_duration()
self.mediaplayer.set_position(pos)
# Update timer display
msecs = self.mediaplayer.get_time()
self.ui.label_time.setText(_("Time: ") + msecs_to_mins_and_secs(msecs))
self.mediaplayer.play()
self.ui.pushButton_play.setText(_("Pause"))
self.timer.start()
self.is_paused = False
self.play_segment_end = None
def stop(self):
""" Stop vlc player. Set position slider to the start.
If multiple audio tracks are shown in the combobox, set the audio track to the first index.
This is because when beginning play again, the audio track reverts to the first track.
Programatically setting the audio track to other values does not work."""
self.mediaplayer.stop()
self.ui.pushButton_play.setText(_("Play"))
self.timer.stop()
self.ui.horizontalSlider.setProperty("value", 0)
self.play_segment_end = None
# set combobox display of audio track to the first one, or leave it blank if it contains no items
if self.ui.comboBox_tracks.count() > 0:
self.ui.comboBox_tracks.setCurrentIndex(0)
def set_volume(self, volume):
""" Set the volume. """
self.mediaplayer.audio_set_volume(volume)
def update_ui(self):
""" Updates the user interface. Update the slider position to match media.
Adds audio track options to combobox.
Updates the current displayed media time. """
# update audio track list, only works if media is playing
if self.mediaplayer.audio_get_track_count() > 0 and self.ui.comboBox_tracks.count() == 0:
tracks = self.mediaplayer.audio_get_track_description()
for t in tracks:
if t[0] > 0:
# print(t[0], t[1]) # track number and track name
self.ui.comboBox_tracks.addItem(str(t[0]))
# Set the slider's position to its corresponding media position
# Note that the setValue function only takes values of type int,
# so we must first convert the corresponding media position.
media_pos = int(self.mediaplayer.get_position() * 1000)
self.ui.horizontalSlider.setValue(media_pos)
# update label_time
msecs = self.mediaplayer.get_time()
self.ui.label_time.setText(_("Time: ") + msecs_to_mins_and_secs(msecs))
# Check if segments need to be reloaded
# This only updates if the media is playing, not ideal, but works
for i in self.scene.items():
if isinstance(i, SegmentGraphicsItem) and i.reload_segment is True:
self.load_segments()
""" For long transcripts, update the relevant text position in the textEdit to match the
video's current position.
time_postion list item: [text_pos0, text_pos1, milliseconds]
"""
if self.ui.checkBox_scroll_transcript.isChecked() and self.transcription is not None and self.ui.textEdit.toPlainText() != "":
for i in range(1, len(self.time_positions)):
if msecs > self.time_positions[i - 1][2] and msecs < self.time_positions[i][2]:
text_pos = self.time_positions[i][0]
textCursor = self.ui.textEdit.textCursor()
textCursor.setPosition(text_pos)
self.ui.textEdit.setTextCursor(textCursor)
# No need to call this function if nothing is played
if not self.mediaplayer.is_playing():
self.timer.stop()
# After the video finished, the play button stills shows "Pause",
# which is not the desired behavior of a media player.
# This fixes that "bug".
if not self.is_paused:
self.stop()
# If only playing a segment, need to pause at end of segment
if self.play_segment_end is not None:
if self.play_segment_end < msecs:
self.play_segment_end = None
self.play_pause()
def closeEvent(self, event):
""" Stop the vlc player on close.
Capture the video window size. """
self.app.settings['dialogcodeav_w'] = self.size().width()
self.app.settings['dialogcodeav_h'] = self.size().height()
if self.media_data is not None and self.media_data['mediapath'] is not None and self.media_data['mediapath'][
0:7] != "/audio/":
size = self.ddialog.size()
if size.width() > 100:
self.app.settings['video_w'] = size.width()
else:
self.app.settings['video_w'] = 100
if size.height() > 80:
self.app.settings['video_h'] = size.height()
else:
self.app.settings['video_h'] = 80
# Get absolute video dialog position
self.app.settings['codeav_video_pos_x'] = self.ddialog.pos().x()
self.app.settings['codeav_video_pos_y'] = self.ddialog.pos().y()
self.app.settings['codeav_abs_pos_x'] = self.pos().x()
self.app.settings['codeav_abs_pos_y'] = self.pos().y()
self.ddialog.close()
self.stop()
def create_or_clear_segment(self):
""" Make the start end end points of the segment of time.
Use minutes and seconds, and milliseconds formats for the time.
Can also clear the segment by pressing the button when it says Clear segment.
clear segment text is changed to Start segment once a segment is assigned to a code.
"""
if self.ui.pushButton_coding.text() == _("Clear segment"):
self.clear_segment()
self.fill_code_counts_in_tree()
return
time = self.ui.label_time.text()
time = time[6:]
time_msecs = self.mediaplayer.get_time()
if self.segment['start'] is None:
self.segment['start'] = time
self.segment['start_msecs'] = time_msecs
self.segment['memo'] = ""
self.ui.pushButton_coding.setText(_("End segment"))
self.ui.label_segment.setText(_("Segment: ") + str(self.segment['start']) + " - ")
return
if self.segment['start'] is not None and self.segment['end'] is None:
self.segment['end'] = time
self.segment['end_msecs'] = time_msecs
self.ui.pushButton_coding.setText(_("Clear segment"))
# check and reverse start and end times if start is greater than the end
# print("start", self.segment['start'], "end", self.segment['end'])
if float(self.segment['start'].replace(":", ".")) > float(self.segment['end'].replace(":", ".")):
tmp = self.segment['start']
tmp_msecs = self.segment['start_msecs']
self.segment['start'] = self.segment['end']
self.segment['start_msecs'] = self.segment['end_msecs']
self.segment['end'] = tmp
self.segment['end_msecs'] = tmp_msecs
text = _("Segment: ") + str(self.segment['start']) + " - " + self.segment['end']
self.ui.label_segment.setText(text)
def tree_menu(self, position):
""" Context menu for treeWidget items.
Add, rename, memo, move or delete code or category. Change code color. """
selected_text = self.ui.textEdit.textCursor().selectedText()
menu = QtWidgets.QMenu()
menu.setStyleSheet("QMenu {font-size:" + str(self.app.settings['fontsize']) + "pt} ")
selected = self.ui.treeWidget.currentItem()
# logger.debug("selected paremt: " + str(selected.parent()))
# logger.debug("index: " + str(self.ui.treeWidget.currentIndex()))
'''ActionAssignSelectedText = None
if selected_text != "" and selected is not None and selected.text(1)[0:3] == 'cid':
ActionAssignSelectedText = menu.addAction("Assign selected text")'''
ActionItemAssignSegment = None
if self.segment['end_msecs'] is not None and self.segment['start_msecs'] is not None:
ActionItemAssignSegment = menu.addAction("Assign segment to code")
ActionItemAddCode = menu.addAction(_("Add a new code"))
ActionItemAddCategory = menu.addAction(_("Add a new category"))
ActionItemRename = menu.addAction(_("Rename"))
ActionItemEditMemo = menu.addAction(_("View or edit memo"))
ActionItemDelete = menu.addAction(_("Delete"))
if selected is not None and selected.text(1)[0:3] == 'cid':
ActionItemChangeColor = menu.addAction(_("Change code color"))
ActionShowCodesLike = menu.addAction(_("Show codes like"))
action = menu.exec_(self.ui.treeWidget.mapToGlobal(position))
if action == ActionShowCodesLike:
self.show_codes_like()
return
if selected is not None and selected.text(1)[0:3] == 'cid' and action == ActionItemChangeColor:
self.change_code_color(selected)
if action == ActionItemAddCategory:
self.add_category()
if action == ActionItemAddCode:
self.add_code()