bigbluebutton-Github/record-and-playback/presentation/scripts/process/presentation.rb
2014-04-03 20:23:49 +00:00

141 lines
5.5 KiB
Ruby
Executable File

# 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 <http://www.gnu.org/licenses/>.
#
# For DEVELOPMENT
# Allows us to run the script manually
# require File.expand_path('../../../../core/lib/recordandplayback', __FILE__)
# For PRODUCTION
require File.expand_path('../../../lib/recordandplayback', __FILE__)
require 'rubygems'
require 'trollop'
require 'yaml'
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]
# This script lives in scripts/archive/steps while properties.yaml lives in scripts/
props = YAML::load(File.open('../../core/scripts/bigbluebutton.yml'))
presentation_props = YAML::load(File.open('presentation.yml'))
presentation_props['audio_offset'] = 0 if presentation_props['audio_offset'].nil?
presentation_props['include_deskshare'] = false if presentation_props['include_deskshare'].nil?
recording_dir = props['recording_dir']
raw_archive_dir = "#{recording_dir}/raw/#{meeting_id}"
log_dir = props['log_dir']
target_dir = "#{recording_dir}/process/presentation/#{meeting_id}"
if not FileTest.directory?(target_dir)
FileUtils.mkdir_p "#{log_dir}/presentation"
logger = Logger.new("#{log_dir}/presentation/process-#{meeting_id}.log", 'daily' )
BigBlueButton.logger = logger
BigBlueButton.logger.info("Processing script presentation.rb")
FileUtils.mkdir_p target_dir
begin
# Create a copy of the raw archives
temp_dir = "#{target_dir}/temp"
FileUtils.mkdir_p temp_dir
FileUtils.cp_r(raw_archive_dir, temp_dir)
BigBlueButton::AudioProcessor.process("#{temp_dir}/#{meeting_id}", "#{target_dir}/audio")
events_xml = "#{temp_dir}/#{meeting_id}/events.xml"
FileUtils.cp(events_xml, target_dir)
presentation_dir = "#{temp_dir}/#{meeting_id}/presentation"
presentations = BigBlueButton::Presentation.get_presentations(events_xml)
processed_pres_dir = "#{target_dir}/presentation"
FileUtils.mkdir_p processed_pres_dir
presentations.each do |pres|
pres_dir = "#{presentation_dir}/#{pres}"
num_pages = BigBlueButton::Presentation.get_number_of_pages_for(pres_dir)
target_pres_dir = "#{processed_pres_dir}/#{pres}"
FileUtils.mkdir_p target_pres_dir
FileUtils.mkdir_p "#{target_pres_dir}/textfiles"
images=Dir.glob("#{pres_dir}/#{pres}.{jpg,jpeg,png,gif,JPG,JPEG,PNG,GIF}")
if images.empty?
pres_name = "#{pres_dir}/#{pres}"
if File.exists?("#{pres_name}.pdf")
pres_pdf = "#{pres_name}.pdf"
BigBlueButton.logger.info("Found pdf file for presentation #{pres_pdf}")
elsif File.exists?("#{pres_name}.PDF")
pres_pdf = "#{pres_name}.PDF"
BigBlueButton.logger.info("Found PDF file for presentation #{pres_pdf}")
elsif File.exists?("#{pres_name}")
pres_pdf = pres_name
BigBlueButton.logger.info("Falling back to old presentation filename #{pres_pdf}")
else
pres_pdf = ""
BigBlueButton.logger.warn("Could not find pdf file for presentation #{pres}")
end
if !pres_pdf.empty?
1.upto(num_pages) do |page|
BigBlueButton::Presentation.extract_png_page_from_pdf(
page, pres_pdf, "#{target_pres_dir}/slide-#{page}.png", '1600x1200')
if File.exist?("#{pres_dir}/textfiles/slide-#{page}.txt") then
FileUtils.cp("#{pres_dir}/textfiles/slide-#{page}.txt", "#{target_pres_dir}/textfiles")
end
end
end
else
ext = File.extname("#{images[0]}")
#BigBlueButton::Presentation.convert_image_to_png(images[0],"#{target_pres_dir}/slide-1.png")
command="convert #{images[0]} -resize 1600x1200 -background white -flatten #{target_pres_dir}/slide-1.png"
BigBlueButton.execute(command)
end
end
if !Dir["#{raw_archive_dir}/video/*"].empty? or (presentation_props['include_deskshare'] and !Dir["#{raw_archive_dir}/deskshare/*"].empty?)
width = presentation_props['video_output_width']
height = presentation_props['video_output_height']
if !Dir["#{raw_archive_dir}/deskshare/*"].empty?
width = presentation_props['deskshare_output_width']
height = presentation_props['deskshare_output_height']
end
BigBlueButton.process_multiple_videos(target_dir, temp_dir, meeting_id, width, height, presentation_props['audio_offset'], presentation_props['include_deskshare'])
end
process_done = File.new("#{recording_dir}/status/processed/#{meeting_id}-presentation.done", "w")
process_done.write("Processed #{meeting_id}")
process_done.close
#else
# BigBlueButton.logger.debug("Skipping #{meeting_id} as it has already been processed.")
rescue Exception => e
BigBlueButton.logger.error(e.message)
e.backtrace.each do |traceline|
BigBlueButton.logger.error(traceline)
end
exit 1
end
end