# Set encoding to utf-8
# encoding: UTF-8
#
# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
#
# Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
#
# This program is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 3.0 of the License, or (at your option) any later
# version.
#
# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with BigBlueButton; if not, see .
#
performance_start = Time.now
require '../../core/lib/recordandplayback'
require 'rubygems'
require 'trollop'
require 'yaml'
require 'builder'
require 'fastimage' # require fastimage to get the image size of the slides (gem install fastimage)
# used to convert the colours to hex
class String
def convert_base(from, to)
self.to_i(from).to_s(to)
end
end
def processPanAndZooms
#Create panzooms.xml
BigBlueButton.logger.info("Creating panzooms.xml")
$panzooms_xml = Nokogiri::XML::Builder.new do |xml|
$xml = xml
$xml.recording('id' => 'panzoom_events') do
h_ratio_prev = nil
w_ratio_prev = nil
x_prev = nil
y_prev = nil
timestamp_orig_prev = nil
timestamp_prev = nil
last_time = nil
if $panzoom_events.empty?
BigBlueButton.logger.info("No panzoom events; old recording?")
BigBlueButton.logger.info("Synthesizing a panzoom event")
if !$slides_events.empty?
timestamp_orig = $slides_events.first[:timestamp].to_f
# make sure this is scheduled *after* the slide is shown. Dunno if needed.
timestamp_orig += 1000
timestamp = ( translateTimestamp(timestamp_orig) / 1000 ).round(1)
$xml.event(:timestamp => timestamp, :orig => timestamp_orig) do
$xml.viewBox "0 0 #{$vbox_width} #{$vbox_height}"
end
timestamp_orig_prev = timestamp_orig
timestamp_prev = timestamp
h_ratio_prev = 100
w_ratio_prev = 100
x_prev = 0
y_prev = 0
else
BigBlueButton.logger.info("Couldn't find any slides! panzooms will be empty.")
end
else
last_time = $panzoom_events.last[:timestamp].to_f
end
$panzoom_events.each do |panZoomEvent|
# Get variables
timestamp_orig = panZoomEvent[:timestamp].to_f
timestamp = ( translateTimestamp(timestamp_orig) / 1000 ).round(1)
h_ratio = panZoomEvent.xpath(".//heightRatio")[0].text()
w_ratio = panZoomEvent.xpath(".//widthRatio")[0].text()
x = panZoomEvent.xpath(".//xOffset")[0].text()
y = panZoomEvent.xpath(".//yOffset")[0].text()
if(timestamp_prev == timestamp)
if(timestamp_orig == last_time)
if(h_ratio && w_ratio && x && y)
$xml.event(:timestamp => timestamp, :orig => timestamp_orig) do
$ss.each do |key,val|
$val = val
if key === timestamp
$vbox_width = $val[0]
$vbox_height = $val[1]
end
end
$xml.viewBox "#{($vbox_width-((1-((x.to_f.abs)*$magic_mystery_number/100.0))*$vbox_width))} #{($vbox_height-((1-((y.to_f.abs)*$magic_mystery_number/100.0))*$vbox_height)).round(2)} #{((w_ratio.to_f/100.0)*$vbox_width).round(1)} #{((h_ratio.to_f/100.0)*$vbox_height).round(1)}"
end
end
end
# do nothing because playback can't react that fast
else
if(h_ratio_prev && w_ratio_prev && x_prev && y_prev)
$xml.event(:timestamp => timestamp_prev, :orig => timestamp_orig_prev) do
$ss.each do |key,val|
$val = val
if key === timestamp_prev
$vbox_width = $val[0]
$vbox_height = $val[1]
end
end
$xml.viewBox "#{($vbox_width-((1-((x_prev.to_f.abs)*$magic_mystery_number/100.0))*$vbox_width))} #{($vbox_height-((1-((y_prev.to_f.abs)*$magic_mystery_number/100.0))*$vbox_height)).round(2)} #{((w_ratio_prev.to_f/100.0)*$vbox_width).round(1)} #{((h_ratio_prev.to_f/100.0)*$vbox_height).round(1)}"
end
end
end
timestamp_prev = timestamp
timestamp_orig_prev = timestamp_orig
h_ratio_prev = h_ratio
w_ratio_prev = w_ratio
x_prev = x
y_prev = y
end
$xml.event(:timestamp => timestamp_prev, :orig => timestamp_orig_prev) do
$ss.each do |key,val|
$val = val
if key === timestamp_prev
$vbox_width = $val[0]
$vbox_height = $val[1]
end
end
$xml.viewBox "#{($vbox_width-((1-((x_prev.to_f.abs)*$magic_mystery_number/100.0))*$vbox_width))} #{($vbox_height-((1-((y_prev.to_f.abs)*$magic_mystery_number/100.0))*$vbox_height)).round(2)} #{((w_ratio_prev.to_f/100.0)*$vbox_width).round(1)} #{((h_ratio_prev.to_f/100.0)*$vbox_height).round(1)}"
end
end
end
processDesksharePanAndZooms()
BigBlueButton.logger.info("Finished creating panzooms.xml")
end
def processDesksharePanAndZooms
BigBlueButton.logger.info("processDesksharePanAndZooms")
deskshare_start_evts = BigBlueButton::Events.get_start_deskshare_events("#{$process_dir}/events.xml")
deskshare_stop_evts = BigBlueButton::Events.get_stop_deskshare_events("#{$process_dir}/events.xml")
deskshare_matched_evts = BigBlueButton::Events.match_start_and_stop_video_events(deskshare_start_evts, deskshare_stop_evts)
deskshare_matched_evts.each do |start_evt|
start_timestamp_orig = start_evt[:start_timestamp].to_f
start_timestamp = ( translateTimestamp(start_timestamp_orig) / 1000 ).round(1)
insertDesksharePanAndZoom(start_timestamp,start_timestamp_orig)
end
end
def insertDesksharePanAndZoom(timestamp,timestamp_orig)
BigBlueButton.logger.info("insertDesksharePanAndZoom | timestamp = #{timestamp}, timestamp_orig = #{timestamp_orig}")
all_events = $panzooms_xml.doc.xpath("//event")
previous_timestamp = 0.0
for i in 0..all_events.length-1
if (previous_timestamp < timestamp && all_events[i].attribute("timestamp").value.to_f > timestamp)
new_event = Nokogiri::XML::Node.new "event", $panzooms_xml.doc
new_event[:timestamp] = timestamp
new_event[:orig] = timestamp_orig
new_viewbox = Nokogiri::XML::Node.new "viewBox", $panzooms_xml.doc
new_viewbox.content = "0.0 0.0 1280.0 720.0"
#set new_event content
Nokogiri::XML::Builder.with(new_event) do |xml|
xml << new_viewbox.to_s
end
if (i-1 >= 0)
all_events[i-1].add_next_sibling(new_event)
break
end
else
previous_timestamp = all_events[i].attribute("timestamp").value.to_f
end
end
end
def processCursorEvents
BigBlueButton.logger.info("Processing cursor events")
$cursor_xml = Nokogiri::XML::Builder.new do |xml|
$xml = xml
$xml.recording('id' => 'cursor_events') do
x_prev = nil
y_prev = nil
timestamp_orig_prev = nil
timestamp_prev = nil
if(!$cursor_events.empty?)
last_time = $cursor_events.last[:timestamp].to_f
$cursor_events.each do |cursorEvent|
timestamp_orig = cursorEvent[:timestamp].to_f
timestamp = ( translateTimestamp(timestamp_orig) / 1000 ).round(1)
x = cursorEvent.xpath(".//xOffset")[0].text()
y = cursorEvent.xpath(".//yOffset")[0].text()
if(timestamp_prev == timestamp)
else
if(x_prev && y_prev)
$ss.each do |key,val|
$val = val
if key === timestamp_prev
$vbox_width = $val[0]/2 # because the image size is twice as big as the viewbox
$vbox_height = $val[1]/2 # because the image size is twice as big as the viewbox
end
end
xPoint = ($vbox_width.to_f*x.to_f).round(1)
yPoint = ($vbox_height.to_f*y.to_f).round(1)
if xPoint < 800 and yPoint < 600 and xPoint > 0 and yPoint > 0
$xml.event(:timestamp => timestamp_prev, :orig => timestamp_orig_prev) do
$xml.cursor "#{xPoint} #{yPoint}"
end
end
end
end
timestamp_prev = timestamp
timestamp_orig_prev = timestamp_orig
x_prev = x
y_prev = y
end
end
end
end
BigBlueButton.logger.info("Finished processing cursor events")
end
def processClearEvents
# process all the cleared pages events.
$clear_page_events.each do |clearEvent|
#Retrieve time, page and presentation.
clearTime = clearEvent[:timestamp].to_f
#clearTime = ( clearEvent[:timestamp].to_f / 1000 ).round(1)
$pageCleared = clearEvent.xpath(".//pageNumber")[0].text()
slideFolder = clearEvent.xpath(".//presentation")[0].text()
if $version_atleast_0_9_0
$clearPageTimes[($prev_clear_time..clearTime)] =
[$pageCleared, $canvas_number, "presentation/#{slideFolder}/slide-#{$pageCleared.to_i + 1}.png", nil]
else
$clearPageTimes[($prev_clear_time..clearTime)] =
[$pageCleared, $canvas_number, "presentation/#{slideFolder}/slide-#{$pageCleared}.png", nil]
end
$prev_clear_time = clearTime
$canvas_number+=1
end
end
def processUndoEvents
# Processing the undo events, creating/filling a hashmap called "undos".
BigBlueButton.logger.info("Process undo events.")
$undo_events.each do |undo|
closest_shape = nil # Initialize as nil to prime the loop.
t = undo[:timestamp].to_f
$shape_events.each do |shape|
# The undo cannot be for a shape that hasn't been drawn yet.
if shape[:timestamp].to_f < t
# It must be the closest shape drawn that hasn't already been undone.
if (closest_shape == nil) || (shape[:timestamp].to_f > closest_shape[:timestamp].to_f)
# It cannot be an undo for another shape already.
if !($undos.has_key? shape)
# Must be part of this presentation of course
if shape.xpath(".//pageNumber")[0].text() == undo.xpath(".//pageNumber")[0].text()
# Must be a shape in this page too.
if shape.xpath(".//presentation")[0].text() == undo.xpath(".//presentation")[0].text()
if ((shape.xpath(".//type")[0].text() == "rectangle") || (shape.xpath(".//type")[0].text() == "ellipse"))
shape_already_processed = false
if($undos.length == 0)
shape_already_processed = false
else
$undos.each do |u, v|
if shape.xpath(".//dataPoints")[0].text().split(",")[0] == u.xpath(".//dataPoints")[0].text().split(",")[0]
if shape.xpath(".//dataPoints")[0].text().split(",")[1] == u.xpath(".//dataPoints")[0].text().split(",")[1]
shape_already_processed = true
end
end
end
end
if !(shape_already_processed)
closest_shape = shape
end
else
closest_shape = shape
end
end
end
end
end
end
end
if(closest_shape != nil)
$undos[closest_shape] = undo[:timestamp]
end
end
$undos_temp = {}
$undos.each do |un, val|
$undos_temp[ un[:timestamp] ] = val
end
$undos = $undos_temp
BigBlueButton.logger.info("Undos: #{$undos}")
end
def processClearImages
BigBlueButton.logger.info("Put image numbers in clearPageTimes")
$slides_compiled.each do |key, val|
$clearPageTimes.each do |cpt, pgCanvasUrl|
# check if the src of the slide matches the url of the clear event
if key[0] == pgCanvasUrl[2]
# put the image number into the $clearPageTimes
pgCanvasUrl[3] = "image#{val[2].to_i}"
end
end
end
end
def storePencilShape
$pencil_count = $pencil_count + 1 # always update the line count!
$global_shape_count += 1
$xml.g(:class => :shape, :id=>"draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape =>"line#{$pencil_count}", :style => "stroke:\##{$colour_hex}; stroke-width:#{$shapeThickness}; visibility:hidden; stroke-linecap: round; ") do
for i in (0...($shapeDataPoints.length/2)-1) do
$xml.line(:x1 => (($shapeDataPoints[i*2].to_f)/100)*$vbox_width, :y1 => (($shapeDataPoints[(i*2)+1].to_f)/100)*$vbox_height, :x2 => (($shapeDataPoints[(i*2)+2].to_f)/100)*$vbox_width, :y2 => (($shapeDataPoints[(i*2)+3].to_f)/100)*$vbox_height)
end
end
end
def storeLineShape
if(($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
# do not update the line count
else
$line_count = $line_count + 1
end
$global_shape_count += 1
$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "line#{$line_count}", :style => "stroke:\##{$colour_hex}; stroke-width:#{$shapeThickness}; visibility:hidden; fill:none") do
$originX = (($shapeDataPoints[0].to_f)/100)*$vbox_width
$originY = (($shapeDataPoints[1].to_f)/100)*$vbox_height
endPointX = (($shapeDataPoints[2].to_f)/100)*$vbox_width
endPointY = (($shapeDataPoints[3].to_f)/100)*$vbox_height
$originalOriginX = $originX
$originalOriginY = $originY
$xml.line(:x1 => $originX, :y1 => $originY, :x2 => endPointX, :y2 => endPointY )
$prev_time = $shapeCreationTime
end
end
def storeRectShape
if(($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
# do not update the rectangle count
else
$rectangle_count = $rectangle_count + 1
end
$global_shape_count += 1
$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "rect#{$rectangle_count}", :style => "stroke:\##{$colour_hex}; stroke-width:#{$shapeThickness}; visibility:hidden; fill:none") do
$originX = (($shapeDataPoints[0].to_f)/100)*$vbox_width
$originY = (($shapeDataPoints[1].to_f)/100)*$vbox_height
$originalOriginX = $originX
$originalOriginY = $originY
rectWidth = (($shapeDataPoints[2].to_f - $shapeDataPoints[0].to_f)/100)*$vbox_width
rectHeight = (($shapeDataPoints[3].to_f - $shapeDataPoints[1].to_f)/100)*$vbox_height
# Cannot have a negative height or width so we adjust
if(rectHeight < 0)
$originY = $originY + rectHeight
rectHeight = rectHeight.abs
end
if(rectWidth < 0)
$originX = $originX + rectWidth
rectWidth = rectWidth.abs
end
if $is_square == "true"
#width of the square as reference
$xml.rect(:x => $originX, :y => $originY, :width => rectWidth, :height => rectWidth)
else
$xml.rect(:x => $originX, :y => $originY, :width => rectWidth, :height => rectHeight)
end
$prev_time = $shapeCreationTime
end
end
def storeTriangleShape
if(($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
# do not update the triangle count
else
$triangle_count = $triangle_count + 1
end
$global_shape_count += 1
$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "triangle#{$triangle_count}", :style => "stroke:\##{$colour_hex}; stroke-width:#{$shapeThickness}; visibility:hidden; fill:none") do
$originX = (($shapeDataPoints[0].to_f)/100)*$vbox_width
$originY = (($shapeDataPoints[1].to_f)/100)*$vbox_height
#3 points (p0, p1 and p2) to draw a triangle
base = (($shapeDataPoints[2].to_f - $shapeDataPoints[0].to_f)/100)*$vbox_width
x0 = $originX + (base.to_f / 2.0)
x1 = $originX
x2 = $originX + base.to_f
height = (($shapeDataPoints[3].to_f - $shapeDataPoints[1].to_f)/100)*$vbox_height
y0 = $originY
y1 = $originY + height
y2 = y1
p0 = "#{x0},#{y0}"
p1 = "#{x1},#{y1}"
p2 = "#{x2},#{y2}"
$originalOriginX = $originX
$originalOriginY = $originY
$xml.polyline(:points => "#{p0} #{p1} #{p2} #{p0}")
$prev_time = $shapeCreationTime
end
end
def storeEllipseShape
if(($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
# do not update the rectangle count
else
$ellipse_count = $ellipse_count + 1
end # end (($originalOriginX == (($shapeDataPoints[0].to_f)/100)*$vbox_width) && ($originalOriginY == (($shapeDataPoints[1].to_f)/100)*$vbox_height))
$global_shape_count += 1
$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "ellipse#{$ellipse_count}", :style =>"stroke:\##{$colour_hex}; stroke-width:#{$shapeThickness}; visibility:hidden; fill:none") do
$originX = (($shapeDataPoints[0].to_f)/100)*$vbox_width
$originY = (($shapeDataPoints[1].to_f)/100)*$vbox_height
$originalOriginX = $originX
$originalOriginY = $originY
ellipseWidth = (($shapeDataPoints[2].to_f - $shapeDataPoints[0].to_f)/100)*$vbox_width
ellipseHeight = (($shapeDataPoints[3].to_f - $shapeDataPoints[1].to_f)/100)*$vbox_height
if(ellipseHeight < 0)
$originY = $originY + ellipseHeight
ellipseHeight = ellipseHeight.abs
end
if(ellipseWidth < 0)
$originX = $originX + ellipseWidth
ellipseWidth = ellipseWidth.abs
end
if $is_circle == "true"
#Use width as reference
$xml.circle(:cx => $originX+(ellipseWidth/2), :cy => $originY+(ellipseWidth/2), :r => ellipseWidth/2)
else
$xml.ellipse(:cx => $originX+(ellipseWidth/2), :cy => $originY+(ellipseHeight/2), :rx => ellipseWidth/2, :ry => ellipseHeight/2)
end
$prev_time = $shapeCreationTime
end # end xml.g
end
def storeTextShape
$originX = (($shapeDataPoints[0].to_f)/100)*$vbox_width
$originY = (($shapeDataPoints[1].to_f)/100)*$vbox_height
if(($originalOriginX == $originX) && ($originalOriginY == $originY))
# do not update the text count
else
$text_count = $text_count + 1
end
font_size_factor = 1.7
width_extra_percent = -0.7
height_extra_percent = 1
width = ( ($textBoxWidth.to_f + width_extra_percent) / 100.0) * $vbox_width
height = ( ($textBoxHeight.to_f + height_extra_percent ) / 100.0) * $vbox_height
y_gap = -30.0
x_gap = 5.0
$textFontSize_pixels = $textFontSize.to_f * font_size_factor
$global_shape_count += 1
$xml.g(:class => :shape, :id => "draw#{$global_shape_count}", :timestamp => $shapeCreationTime, :undo => $shapeUndoTime, :shape => "text#{$text_count}", :style => "word-wrap: break-word; visibility:hidden; font-family: #{$textFontType}; font-size: #{$textFontSize_pixels}px;") do
$xml.switch do
$xml.foreignObject( :color => "##{$colour_hex}", :width => width, :height => height, :x => "#{((($shapeDataPoints[0].to_f)/100)*$vbox_width) + x_gap}", :y => "#{((($shapeDataPoints[1].to_f)/100) *$vbox_height ) + y_gap.to_f }") do
$xml.p( :xmlns => "http://www.w3.org/1999/xhtml" ) do
$xml.text($textValue)
end
end
end
$prev_time = $shapeCreationTime
end # end xml.g
$originalOriginX = $originX
$originalOriginY = $originY
end
def storePollResultShape(xml, shape)
origin_x = $shapeDataPoints[0].to_f / 100 * $vbox_width
origin_y = $shapeDataPoints[1].to_f / 100 * $vbox_height
width = $shapeDataPoints[2].to_f / 100 * $vbox_width
height = $shapeDataPoints[3].to_f / 100 * $vbox_height
result = JSON.load(shape.at_xpath('result').text)
num_responders = shape.at_xpath('num_responders').text.to_i
presentation = shape.at_xpath('presentation').text
$global_shape_count += 1
$poll_result_count += 1
dat_file = "#{$process_dir}/poll_result#{$poll_result_count}.dat"
gpl_file = "#{$process_dir}/poll_result#{$poll_result_count}.gpl"
pdf_file = "#{$process_dir}/poll_result#{$poll_result_count}.pdf"
svg_file = "#{$process_dir}/presentation/#{presentation}/poll_result#{$poll_result_count}.svg"
# Use gnuplot to generate an SVG image for the graph
File.open(dat_file, 'w') do |d|
result.each do |r|
d.puts("#{r['id']} #{r['num_votes']}")
end
end
File.open(dat_file, 'r') do |d|
BigBlueButton.logger.debug("gnuplot data:")
BigBlueButton.logger.debug(d.readlines(nil)[0])
end
File.open(gpl_file, 'w') do |g|
g.puts('reset')
g.puts("set term pdfcairo size #{height / 72}, #{width / 72} font \"Arial,48\" noenhanced")
g.puts('unset key')
g.puts('set style data boxes')
g.puts('set style fill solid border -1')
g.puts('set boxwidth 0.9 relative')
g.puts('set yrange [0:*]')
g.puts('unset border')
g.puts('unset ytics')
xtics = result.map{ |r| "#{r['key'].gsub('%', '%%').inspect} #{r['id']}" }.join(', ')
g.puts("set xtics rotate by 90 scale 0 right (#{xtics})")
if num_responders > 0
x2tics = result.map{ |r| "\"#{(r['num_votes'].to_f / num_responders * 100).to_i}%%\" #{r['id']}" }.join(', ')
g.puts("set x2tics rotate by 90 scale 0 left (#{x2tics})")
end
g.puts('set linetype 1 linewidth 1 linecolor rgb "black"')
result.each do |r|
if r['num_votes'] == 0 or r['num_votes'].to_f / num_responders <= 0.5
g.puts("set label \"#{r['num_votes']}\" at #{r['id']},#{r['num_votes']} left rotate by 90 offset 0,character 0.5 front")
else
g.puts("set label \"#{r['num_votes']}\" at #{r['id']},#{r['num_votes']} right rotate by 90 offset 0,character -0.5 textcolor rgb \"white\" front")
end
end
g.puts("set output \"#{pdf_file}\"")
g.puts("plot \"#{dat_file}\"")
end
File.open(gpl_file, 'r') do |d|
BigBlueButton.logger.debug("gnuplot script:")
BigBlueButton.logger.debug(d.readlines(nil)[0])
end
ret = BigBlueButton.exec_ret('gnuplot', '-d', gpl_file)
raise "Failed to generate plot pdf" if ret != 0
ret = BigBlueButton.exec_ret('pdftocairo', '-svg', pdf_file, svg_file)
raise "Failed to convert poll to svg" if ret != 0
xml.g(class: 'shape', id: "draw#{$global_shape_count}",
shape: "poll_result#{$poll_result_count}", style: 'visibility:hidden',
timestamp: $shapeCreationTime, undo: $shapeUndoTime) do
# Outer box to act as poll result backdrop
xml.rect(x: origin_x + 2, y: origin_y + 2, width: width - 4, height: height - 4,
'fill' => 'white', 'stroke' => 'black', 'stroke-width' => 4)
# Poll image
xml.image('xlink:href' => "presentation/#{presentation}/poll_result#{$poll_result_count}.svg",
height: width, width: height, x: $vbox_width, y: origin_y,
transform: "rotate(90, #{$vbox_width}, #{origin_y})")
end
end
#
# Calculate the offsets based on the start and stop recording events, so it's easier
# to translate the timestamps later based on these offsets
#
def calculateRecordEventsOffset
accumulated_duration = 0
previous_stop_recording = $meeting_start.to_f
$rec_events.each do |event|
event[:offset] = event[:start_timestamp] - accumulated_duration
event[:duration] = event[:stop_timestamp] - event[:start_timestamp]
event[:accumulated_duration] = accumulated_duration
previous_stop_recording = event[:stop_timestamp]
accumulated_duration += event[:duration]
end
end
#
# Translated an arbitrary Unix timestamp to the recording timestamp. This is the
# function that others will call
#
def translateTimestamp(timestamp)
new_timestamp = translateTimestamp_helper(timestamp.to_f).to_f
# BigBlueButton.logger.info("Translating #{timestamp}, old value=#{timestamp.to_f-$meeting_start.to_f}, new value=#{new_timestamp}")
new_timestamp
end
#
# Translated an arbitrary Unix timestamp to the recording timestamp
#
def translateTimestamp_helper(timestamp)
$rec_events.each do |event|
# if the timestamp comes before the start recording event, then the timestamp is translated to the moment it starts recording
if timestamp <= event[:start_timestamp]
return event[:start_timestamp] - event[:offset]
# if the timestamp is during the recording period, it is just translated to the new one using the offset
elsif timestamp > event[:start_timestamp] and timestamp <= event[:stop_timestamp]
return timestamp - event[:offset]
end
end
# if the timestamp comes after the last stop recording event, then the timestamp is translated to the last stop recording event timestamp
return timestamp - $rec_events.last()[:offset] + $rec_events.last()[:duration]
end
#
# Given an event timestamp, says whether it occurs during a recording period or not.
#
def occursDuringRecording(timestamp)
$rec_events.each do |event|
if timestamp >= event[:start_timestamp] and timestamp <= event[:stop_timestamp]
return true
end
end
return false
end
#
# Calculates the length of a recording
#
def computeRecordingLength()
recordingLength = 0
$rec_events.each do |event|
recordingLength += event[:stop_timestamp] - event[:start_timestamp]
end
recordingLength
end
def preprocessSlideEvents
new_slides_events = []
$slides_events.each do |slide_event|
new_slide_event = slide_event.clone
$rec_events.each do |rec_event|
if new_slide_event[:timestamp] <= rec_event[:start_timestamp]
new_slide_event[:timestamp] = rec_event[:start_timestamp]
if not new_slides_events.empty? and new_slides_events.last()[:timestamp] == rec_event[:start_timestamp]
new_slides_events.pop()
end
new_slides_events << new_slide_event
break
elsif new_slide_event[:timestamp] > rec_event[:start_timestamp] and new_slide_event[:timestamp] <= rec_event[:stop_timestamp]
new_slides_events << new_slide_event
end
end
end
return new_slides_events
end
def processSlideEvents
BigBlueButton.logger.info("Slide events processing")
deskshare_start_evts = BigBlueButton::Events.get_start_deskshare_events("#{$process_dir}/events.xml")
deskshare_stop_evts = BigBlueButton::Events.get_stop_deskshare_events("#{$process_dir}/events.xml")
deskshare_matched_evts = BigBlueButton::Events.match_start_and_stop_video_events(deskshare_start_evts, deskshare_stop_evts)
# For each slide (there is only one image per slide)
$slides_events.each do |node|
# Ignore slide events that happened after the last recording period.
if(node[:timestamp].to_f > $rec_events.last[:stop_timestamp].to_f)
next
end
eventname = node['eventname']
if eventname == "SharePresentationEvent"
$presentation_name = node.xpath(".//presentationName")[0].text()
else
#set slide times
slide_timestamp = node[:timestamp]
slide_start = ( translateTimestamp(slide_timestamp) / 1000 ).round(1)
orig_slide_start = ( slide_timestamp.to_f / 1000 ).round(1)
current_index = $slides_events.index(node)
if(current_index + 1 < $slides_events.length)
slide_end = ( translateTimestamp($slides_events[current_index + 1][:timestamp]) / 1000 ).round(1)
orig_slide_end = ( $slides_events[current_index + 1][:timestamp].to_f / 1000 ).round(1)
else
slide_end = ( translateTimestamp($meeting_end) / 1000 ).round(1)
orig_slide_end = ( $meeting_end.to_f / 1000 ).round(1)
end
if slide_start == slide_end
BigBlueButton.logger.info("Slide is never displayed (slide_start = slide_end), so it won't be included in the svg")
next
end
#set slide resources
slide_number = node.xpath(".//slide")[0].text().to_i
slide_number = slide_number < 0 ? 0 : slide_number
slide_src = "presentation/#{$presentation_name}/slide-#{slide_number + 1}.png"
txt_file_path = "presentation/#{$presentation_name}/textfiles/slide-#{slide_number + 1}.txt"
slide_text = File.exist?("#{$process_dir}/#{txt_file_path}") ? txt_file_path : nil
image_url = "#{$process_dir}/#{slide_src}"
if !File.exist?(image_url)
BigBlueButton.logger.warn("Missing image file #{slide_src}!")
# Emergency last-ditch blank image creation
FileUtils.mkdir_p("#{$process_dir}/presentation/#{$presentation_name}")
command = "convert -size 1600x1200 xc:white -quality 90 +dither -depth 8 -colors 256 #{image_url}"
BigBlueButton.execute(command)
end
slide_size = FastImage.size(image_url)
split_slide = false
deskshare_start = deskshare_stop = 0.0
orig_deskshare_start = orig_deskshare_stop = 0.0
# checking if there's a deskshare event inside the slide interval of time
deskshare_matched_evts.each do |start_evt|
start_timestamp_orig = start_evt[:start_timestamp].to_f
stop_timestamp_orig = start_evt[:stop_timestamp].to_f
start_timestamp = ( translateTimestamp(start_timestamp_orig) / 1000 ).round(1)
stop_timestamp = ( translateTimestamp(stop_timestamp_orig) / 1000 ).round(1)
if(slide_start < start_timestamp && slide_end > stop_timestamp)
split_slide = true
deskshare_start = start_timestamp
deskshare_stop = stop_timestamp
orig_deskshare_start = ( start_timestamp_orig / 1000 ).round(1)
orig_deskshare_stop = ( stop_timestamp_orig / 1000 ).round(1)
end
end
if (split_slide)
#Creating deskshare image (a transparent image with DS video resolution)
$deskshare_page_count = $deskshare_page_count + 1
deskshare_slide_src = "presentation/deskshare/slide-#{$deskshare_page_count}.png"
deskshare_text = nil;
deskshare_image_url = "#{$process_dir}/#{deskshare_slide_src}"
FileUtils.mkdir_p("#{$process_dir}/presentation/deskshare")
command = "convert -size 1280x720 xc:transparent -background transparent #{deskshare_image_url}"
BigBlueButton.execute(command)
deskshare_slide_size = FastImage.size(deskshare_image_url)
#Insert 3 slides:
# 1. current slide with IN=slide_start and OUT=(deskshare_start-0.1)
# 2. deskshare "slide" with IN=deskshare_start and OUT=deskshare_stop
# 3. current slide (again) with IN=(deskshare_stop+0.1) and OUT=slide_end
processSlideImage(slide_src, slide_size, slide_start, (deskshare_start-0.1), slide_text, orig_slide_start, (orig_deskshare_start-0.1))
processSlideImage(deskshare_slide_src, deskshare_slide_size, deskshare_start, deskshare_stop, deskshare_text, orig_deskshare_start, orig_deskshare_stop)
processSlideImage(slide_src, slide_size, (deskshare_stop+0.1), slide_end, slide_text, (orig_deskshare_stop+0.1), orig_slide_end)
else
processSlideImage(slide_src, slide_size, slide_start, slide_end, slide_text, orig_slide_start, orig_slide_end)
end
end
end
end
def processSlideImage(slide_src, slide_size, slide_start, slide_end, slide_text, orig_slide_start, orig_slide_end)
BigBlueButton.logger.info("Processing slide image")
# Is this a new image or one previously viewed?
if($slides_compiled[[slide_src, slide_size[1], slide_size[0]]] == nil)
# If it is, add it to the list with all the data.
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]] = [[slide_start], [slide_end], $global_slide_count, slide_text, [orig_slide_start], [orig_slide_end]]
$global_slide_count = $global_slide_count + 1
else
# If not, append new in and out times to the old entry
# But if the previous slide_end is equal to the current slide_start, we just pop the previous slide_end and push the current one
# It will avoid the duplication of the thumbnails on the playback
if($slides_compiled[[slide_src, slide_size[1], slide_size[0]]][1].last == slide_start)
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][1].pop
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][1] << slide_end
else
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][0] << slide_start
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][1] << slide_end
end
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][4] << orig_slide_start
$slides_compiled[[slide_src, slide_size[1], slide_size[0]]][5] << orig_slide_end
end
$ss[(slide_start..slide_end)] = slide_size # store the size of the slide at that range of time
BigBlueButton.logger.info("#{slide_src} : #{slide_start} -> #{slide_end}")
end
def processShapesAndClears
# Create shapes.svg file from the events.xml
BigBlueButton.logger.info("Creating shapes.svg")
$shapes_svg = Nokogiri::XML::Builder.new do |xml|
$xml = xml
processClearEvents()
processUndoEvents()
# Put in the last clear events numbers (previous clear to the end of the slideshow)
#endPresentationTime = ( $end_time.to_f / 1000 ).round(1)
endPresentationTime = $end_time.to_f
$clearPageTimes[($prev_clear_time..endPresentationTime)] = [$pageCleared, $canvas_number, nil, nil]
# Put the headers on the svg xml file.
$xml.doc.create_internal_subset('svg', "-//W3C//DTD SVG 1.1//EN", "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd")
$xml.svg(:id => :svgfile, :style => 'position:absolute; height:600px; width:800px;', :xmlns => 'http://www.w3.org/2000/svg', 'xmlns:xlink' => 'http://www.w3.org/1999/xlink', :version => '1.1', :viewBox => :'0 0 800 600') do
# This is for the first image. It is a placeholder for an image that doesn't exist.
$xml.image(:id => :image0, :class => 'slide', :in => 0, :out => $first_slide_start, :src => "logo.png", :width => 800)
$xml.g(:class => :canvas, :id => :canvas0, :image => :image0, :display => :none)
$presentation_name = ""
processSlideEvents()
processClearImages()
BigBlueButton.logger.info("Printing out the gathered images")
# Print out the gathered/detected images.
$slides_compiled.each do |key, val|
$val = val
$xml.image(:id => "image#{$val[2].to_i}", :class => 'slide', :in => $val[0].join(' '), :out => $val[1].join(' '), 'xlink:href' => key[0], :height => key[1], :width => key[2], :visibility => :hidden, :text => $val[3], :x => 0)
$canvas_number+=1
$xml.g(:class => :canvas, :id => "canvas#{$val[2].to_i}", :image => "image#{$val[2].to_i}", :display => :none) do
BigBlueButton.logger.info("Processing shapes within the image #{$val[2].to_i}")
# Select and print the shapes within the current image
$shape_events.each do |shape|
$shapeTimestamp = shape[:timestamp].to_f
$shapeCreationTime = ( translateTimestamp($shapeTimestamp) / 1000 ).round(1)
orig_shapeCreationTime = ( $shapeTimestamp.to_f / 1000 ).round(1)
in_this_image = false
index = 0
numOfTimes = $val[0].length
# Check if the current shape is to be drawn in this particular image
while((in_this_image == false) && (index < numOfTimes)) do
if((($val[4][index].to_f)..($val[5][index].to_f)) === orig_shapeCreationTime) # is the shape within the certain time of the image
in_this_image = true
end
index+=1
end
if(in_this_image)
# Get variables
BigBlueButton.logger.info shape.to_xml(:indent => 2)
$shapeType = shape.xpath(".//type")[0].text()
$pageNumber = shape.xpath(".//pageNumber")[0].text()
$shapeDataPoints = shape.xpath(".//dataPoints")[0].text().split(",")
case $shapeType
when 'pencil', 'rectangle', 'ellipse', 'triangle', 'line'
$shapeThickness = shape.xpath(".//thickness")[0].text()
colour = shape.xpath(".//color")[0].text()
when 'text'
$textValue = shape.xpath(".//text")[0].text()
$textFontType = "Arial"
$textFontSize = shape.xpath(".//fontSize")[0].text()
colour = shape.xpath(".//fontColor")[0].text()
when 'poll_result'
# Just hand the 'shape' xml object to the poll rendering code.
end
# figure out undo time
BigBlueButton.logger.info("Figuring out undo time")
if($undos.has_key? ( shape[:timestamp] ))
$shapeUndoTime = ( translateTimestamp( $undos[ shape[:timestamp] ] ) / 1000).round(1)
else
$shapeUndoTime = -1
end
clear_time = -1
$clearPageTimes.each do |clearTimeInstance, pageAndCanvasNumbers|
$clearTimeInstance = clearTimeInstance
$pageAndCanvasNumbers = pageAndCanvasNumbers
if(($clearTimeInstance.last > $shapeTimestamp) && ($pageAndCanvasNumbers[3] == "image#{$val[2].to_i}"))
if((clear_time > ( translateTimestamp($clearTimeInstance.last) / 1000 ).round(1)) || (clear_time == -1))
clear_time = ( translateTimestamp($clearTimeInstance.last) / 1000 ).round(1)
end
end
end
if($shapeUndoTime == -1)
if(clear_time == -1)
$shapeUndoTime = -1 # nothing changes
elsif(clear_time != -1)
$shapeUndoTime = clear_time
end
elsif($shapeUndoTime != -1)
if(clear_time == -1)
$shapeUndoTime = $shapeUndoTime #nothing changes
elsif (clear_time != -1)
if(clear_time < $shapeUndoTime)
$shapeUndoTime = clear_time
else
$shapeUndoTime = $shapeUndoTime # nothing changes
end
end
end
# Process colours
$colour_hex = colour.to_i.to_s(16) # convert from base 10 to base 16 (hex)
$colour_hex='0'*(6-$colour_hex.length) + $colour_hex # pad the number with 0's to give it a length of 6
# resolve the current image height and width
$ss.each do |t,size|
if t === $shapeCreationTime
$vbox_width = size[0]
$vbox_height = size[1]
end
end
case $shapeType
when 'pencil'
storePencilShape()
when 'line'
storeLineShape()
when 'rectangle'
square = shape.xpath(".//square")
if square.length > 0
$is_square = square[0].text()
else
$is_square = 'false'
end
storeRectShape()
when 'triangle'
storeTriangleShape()
when 'ellipse'
circle = shape.xpath(".//circle")
if circle.length > 0
$is_circle = circle[0].text()
else
$is_circle = 'false'
end
storeEllipseShape()
when 'text'
$textBoxWidth = shape.xpath(".//textBoxWidth")[0].text()
$textBoxHeight = shape.xpath(".//textBoxHeight")[0].text()
storeTextShape()
when 'poll_result'
storePollResultShape($xml, shape)
end
end # end if(in_this_image)
end # end shape_events.each do |shape|
end
end
end
end
end
def processChatMessages
BigBlueButton.logger.info("Processing chat events")
# Create slides.xml and chat.
$slides_doc = Nokogiri::XML::Builder.new do |xml|
$xml = xml
$xml.popcorn {
# Process chat events.
current_time = 0
$rec_events.each do |re|
$chat_events.each do |node|
if (node[:timestamp].to_i >= re[:start_timestamp] and node[:timestamp].to_i <= re[:stop_timestamp])
chat_timestamp = node[:timestamp]
chat_sender = node.xpath(".//sender")[0].text()
chat_message = BigBlueButton::Events.linkify(node.xpath(".//message")[0].text())
chat_start = ( translateTimestamp(chat_timestamp) / 1000).to_i
# Creates a list of the clear timestamps that matter for this message
next_clear_timestamps = $clear_chat_timestamps.select{ |e| e >= node[:timestamp] }
# If there is none we skip it, or else we add the out time that will remove a message
if next_clear_timestamps.empty?
$xml.chattimeline(:in => chat_start, :direction => :down, :name => chat_sender, :message => chat_message, :target => :chat )
else
chat_end = ( translateTimestamp( next_clear_timestamps.first ) / 1000).to_i
$xml.chattimeline(:in => chat_start, :out => chat_end, :direction => :down, :name => chat_sender, :message => chat_message, :target => :chat )
end
end
end
current_time += re[:stop_timestamp] - re[:start_timestamp]
end
}
end
end
def processDeskshareEvents
BigBlueButton.logger.info("Processing deskshare events on presentation.rb")
BigBlueButton.logger.info("Getting deskshare events in #{$process_dir}/events.xml" );
deskshare_start_evts = BigBlueButton::Events.get_start_deskshare_events("#{$process_dir}/events.xml")
deskshare_stop_evts = BigBlueButton::Events.get_stop_deskshare_events("#{$process_dir}/events.xml")
deskshare_matched_evts = BigBlueButton::Events.match_start_and_stop_video_events(deskshare_start_evts, deskshare_stop_evts)
$deskshare_xml = Nokogiri::XML::Builder.new do |xml|
$xml = xml
$xml.recording('id' => 'deskshare_events') do
if(!deskshare_matched_evts.empty?)
deskshare_matched_evts.each do |start_evt|
start_timestamp_orig = start_evt[:start_timestamp].to_f
stop_timestamp_orig = start_evt[:stop_timestamp].to_f
start_timestamp = ( translateTimestamp(start_timestamp_orig) / 1000 ).round(1)
stop_timestamp = ( translateTimestamp(stop_timestamp_orig) / 1000 ).round(1)
if (stop_timestamp != 0.0)
BigBlueButton.logger.info("start_timestamp = #{start_timestamp}, stop_timestamp = #{stop_timestamp}")
$xml.event(:start_timestamp => start_timestamp, :stop_timestamp => stop_timestamp)
end
end
end
end
end
BigBlueButton.logger.info("Finished processing deskshare events on presentation.rb")
end
$vbox_width = 1600
$vbox_height = 1200
$magic_mystery_number = 2
$shapesold_svg_filename = 'shapes_old.svg'
$shapes_svg_filename = 'shapes.svg'
$panzooms_xml_filename = 'panzooms.xml'
$cursor_xml_filename = 'cursor.xml'
$deskshare_xml_filename = 'deskshare.xml'
$originX = "NaN"
$originY = "NaN"
$originalOriginX = "NaN"
$originalOriginY = "NaN"
$rectangle_count = 0
$triangle_count = 0
$pencil_count = 0
$line_count = 0
$ellipse_count = 0
$text_count = 0
$poll_result_count = 0
$global_shape_count = -1
$global_slide_count = 1
$global_page_count = 0
$deskshare_page_count = 0
$canvas_number = 0
$prev_clear_time = 0
$pageCleared = "0"
$page_number = 0
$prev_canvas_time_start = 0 # initial start is 0 seconds. (beginning of video)
$prev_time = "NaN"
$ss = {}
$clearPageTimes = {}
$slides_compiled = {}
$slides_raw = {}
$undos = {}
opts = Trollop::options do
opt :meeting_id, "Meeting id to archive", :default => '58f4a6b3-cd07-444d-8564-59116cb53974', :type => String
end
$meeting_id = opts[:meeting_id]
puts $meeting_id
match = /(.*)-(.*)/.match $meeting_id
$meeting_id = match[1]
$playback = match[2]
puts $meeting_id
puts $playback
begin
if ($playback == "presentation")
# This script lives in scripts/archive/steps while properties.yaml lives in scripts/
bbb_props = YAML::load(File.open('../../core/scripts/bigbluebutton.yml'))
simple_props = YAML::load(File.open('presentation.yml'))
log_dir = bbb_props['log_dir']
logger = Logger.new("#{log_dir}/presentation/publish-#{$meeting_id}.log", 'daily' )
BigBlueButton.logger = logger
BigBlueButton.logger.info("Setting recording dir")
recording_dir = bbb_props['recording_dir']
BigBlueButton.logger.info("Setting process dir")
$process_dir = "#{recording_dir}/process/presentation/#{$meeting_id}"
BigBlueButton.logger.info("setting publish dir")
publish_dir = simple_props['publish_dir']
BigBlueButton.logger.info("setting playback url info")
playback_protocol = bbb_props['playback_protocol']
playback_host = bbb_props['playback_host']
BigBlueButton.logger.info("setting target dir")
target_dir = "#{recording_dir}/publish/presentation/#{$meeting_id}"
if not FileTest.directory?(target_dir)
BigBlueButton.logger.info("Making dir target_dir")
FileUtils.mkdir_p target_dir
package_dir = "#{target_dir}/#{$meeting_id}"
BigBlueButton.logger.info("Making dir package_dir")
FileUtils.mkdir_p package_dir
begin
if File.exist?("#{$process_dir}/webcams.webm")
BigBlueButton.logger.info("Making video dir")
video_dir = "#{package_dir}/video"
FileUtils.mkdir_p video_dir
BigBlueButton.logger.info("Made video dir - copying: #{$process_dir}/webcams.webm to -> #{video_dir}")
FileUtils.cp("#{$process_dir}/webcams.webm", video_dir)
BigBlueButton.logger.info("Copied .webm file")
else
audio_dir = "#{package_dir}/audio"
BigBlueButton.logger.info("Making audio dir")
FileUtils.mkdir_p audio_dir
BigBlueButton.logger.info("Made audio dir - copying: #{$process_dir}/audio.webm to -> #{audio_dir}")
FileUtils.cp("#{$process_dir}/audio.webm", audio_dir)
BigBlueButton.logger.info("Copied audio.webm file - copying: #{$process_dir}/audio.ogg to -> #{audio_dir}")
FileUtils.cp("#{$process_dir}/audio.ogg", audio_dir)
BigBlueButton.logger.info("Copied audio.ogg file")
end
if File.exist?("#{$process_dir}/deskshare.webm")
BigBlueButton.logger.info("Making deskshare dir")
deskshare_dir = "#{package_dir}/deskshare"
FileUtils.mkdir_p deskshare_dir
BigBlueButton.logger.info("Made deskshare dir - copying: #{$process_dir}/deskshare.webm to -> #{deskshare_dir}")
FileUtils.cp("#{$process_dir}/deskshare.webm", deskshare_dir)
BigBlueButton.logger.info("Copied deskshare.webm file")
else
BigBlueButton.logger.info("Could not copy deskshares.webm: file doesn't exist")
end
processing_time = File.read("#{$process_dir}/processing_time")
# Retrieve record events and calculate total recording duration.
$rec_events = BigBlueButton::Events.match_start_and_stop_rec_events(
BigBlueButton::Events.get_start_and_stop_rec_events("#{$process_dir}/events.xml"))
recording_time = computeRecordingLength()
# presentation_url = "/slides/" + $meeting_id + "/presentation"
@doc = Nokogiri::XML(File.open("#{$process_dir}/events.xml"))
$meeting_start = @doc.xpath("//event")[0][:timestamp]
$meeting_end = @doc.xpath("//event").last()[:timestamp]
## These $version variables are not used anywere in this code ##
$version = BigBlueButton::Events.bbb_version("#{$process_dir}/events.xml")
$version_atleast_0_9_0 = BigBlueButton::Events.bbb_version_compare("#{$process_dir}/events.xml", 0, 9, 0)
BigBlueButton.logger.info("Creating metadata.xml")
# Get the real-time start and end timestamp
match = /.*-(\d+)$/.match($meeting_id)
real_start_time = match[1]
real_end_time = (real_start_time.to_i + ($meeting_end.to_i - $meeting_start.to_i)).to_s
#### INSTEAD OF CREATING THE WHOLE metadata.xml FILE AGAIN, ONLY ADD
# Copy metadata.xml from process_dir
FileUtils.cp("#{$process_dir}/metadata.xml", package_dir)
BigBlueButton.logger.info("Copied metadata.xml file")
# Update state and add playback to metadata.xml
## Load metadata.xml
metadata = Nokogiri::XML(File.open("#{package_dir}/metadata.xml"))
## Update state
recording = metadata.root
state = recording.at_xpath("state")
state.content = "published"
published = recording.at_xpath("published")
published.content = "true"
## Remove empty playback
metadata.search('//recording/playback').each do |playback|
playback.remove
end
## Add the actual playback
metadata_with_playback = Nokogiri::XML::Builder.with(metadata.at('recording')) do |xml|
xml.playback {
xml.format("presentation")
xml.link("#{playback_protocol}://#{playback_host}/playback/presentation/0.9.0/playback.html?meetingId=#{$meeting_id}")
xml.processing_time("#{processing_time}")
xml.duration("#{recording_time}")
}
end
## Write the new metadata.xml
metadata_file = File.new("#{package_dir}/metadata.xml","w")
metadata = Nokogiri::XML(metadata.to_xml) { |x| x.noblanks }
metadata_file.write(metadata.root)
metadata_file.close
BigBlueButton.logger.info("Added playback to metadata.xml")
#Create slides.xml
BigBlueButton.logger.info("Generating xml for slides and chat")
# Gathering all the events from the events.xml
$slides_events = @doc.xpath("//event[@eventname='GotoSlideEvent' or @eventname='SharePresentationEvent']")
$chat_events = @doc.xpath("//event[@eventname='PublicChatEvent']")
$shape_events = @doc.xpath("//event[@eventname='AddShapeEvent' or @eventname='ModifyTextEvent']") # for the creation of shapes
$panzoom_events = @doc.xpath("//event[@eventname='ResizeAndMoveSlideEvent']") # for the action of panning and/or zooming
$cursor_events = @doc.xpath("//event[@eventname='CursorMoveEvent']")
$clear_page_events = @doc.xpath("//event[@eventname='ClearPageEvent']") # for clearing the svg image
$undo_events = @doc.xpath("//event[@eventname='UndoShapeEvent']") # for undoing shapes.
$join_time = $meeting_start.to_f
$end_time = $meeting_end.to_f
# Create a list of timestamps when the moderator cleared the public chat
$clear_chat_timestamps = [ ]
clear_chat_events = @doc.xpath("//event[@eventname='ClearPublicChatEvent']")
clear_chat_events.each { |clear| $clear_chat_timestamps << clear[:timestamp] }
$clear_chat_timestamps.sort!
calculateRecordEventsOffset()
first_presentation_start_node = @doc.xpath("//event[@eventname='SharePresentationEvent']")
first_presentation_start = $meeting_end
if not first_presentation_start_node.empty?
first_presentation_start = first_presentation_start_node[0][:timestamp]
end
$first_slide_start = ( translateTimestamp(first_presentation_start) / 1000 ).round(1)
processChatMessages()
processShapesAndClears()
processPanAndZooms()
processCursorEvents()
processDeskshareEvents()
# Write slides.xml to file
File.open("#{package_dir}/slides_new.xml", 'w') { |f| f.puts $slides_doc.to_xml }
# Write shapes.svg to file
File.open("#{package_dir}/#{$shapes_svg_filename}", 'w') { |f| f.puts $shapes_svg.to_xml.gsub(%r"\s*\", "") } #.gsub(%r"\s*\\s*\", "") }
# Write panzooms.xml to file
File.open("#{package_dir}/#{$panzooms_xml_filename}", 'w') { |f| f.puts $panzooms_xml.to_xml }
# Write panzooms.xml to file
File.open("#{package_dir}/#{$cursor_xml_filename}", 'w') { |f| f.puts $cursor_xml.to_xml }
# Write deskshare.xml to file
File.open("#{package_dir}/#{$deskshare_xml_filename}", 'w') { |f| f.puts $deskshare_xml.to_xml }
BigBlueButton.logger.info("Copying files to package dir")
FileUtils.cp_r("#{$process_dir}/presentation", package_dir)
BigBlueButton.logger.info("Copied files to package dir")
BigBlueButton.logger.info("Publishing slides")
# Now publish this recording files by copying them into the publish folder.
if not FileTest.directory?(publish_dir)
FileUtils.mkdir_p publish_dir
end
# Get raw size of presentation files
raw_dir = "#{recording_dir}/raw/#{$meeting_id}"
# After all the processing we'll add the published format and raw sizes to the metadata file
BigBlueButton.add_raw_size_to_metadata(package_dir, raw_dir)
BigBlueButton.add_playback_size_to_metadata(package_dir)
FileUtils.cp_r(package_dir, publish_dir) # Copy all the files.
BigBlueButton.logger.info("Finished publishing script presentation.rb successfully.")
BigBlueButton.logger.info("Removing processed files.")
FileUtils.rm_r(Dir.glob("#{$process_dir}/*"))
BigBlueButton.logger.info("Removing published files.")
FileUtils.rm_r(Dir.glob("#{target_dir}/*"))
rescue Exception => e
BigBlueButton.logger.error(e.message)
e.backtrace.each do |traceline|
BigBlueButton.logger.error(traceline)
end
exit 1
end
publish_done = File.new("#{recording_dir}/status/published/#{$meeting_id}-presentation.done", "w")
publish_done.write("Published #{$meeting_id}")
publish_done.close
else
BigBlueButton.logger.info("#{target_dir} is already there")
end
end
rescue Exception => e
BigBlueButton.logger.error(e.message)
e.backtrace.each do |traceline|
BigBlueButton.logger.error(traceline)
end
publish_done = File.new("#{recording_dir}/status/published/#{$meeting_id}-presentation.fail", "w")
publish_done.write("Failed Publishing #{$meeting_id}")
publish_done.close
exit 1
end