Post script for convert video/audio into .mp4/.mp3

Required package :

ffmpeg, avconv

Note : If these package are not installed in then you can install it using these command.

For ffmpeg : sudo apt-get install ffmpeg

For avconv : sudo apt-get install libav-tools

 

Step 1 : Open presentation.rb file located in /usr/local/bigbluebutton/core/scripts/publish/

 

Step 2 : Replace below contents with given contents :

 

Existing Content :

 

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

 

Replace Content :

 

 

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”)

#Added by Ghanshyam Katriya Company : Ecosmob Technology Pvt Ltd. Date : 23/12/2015 Purpose : Convert .webm to .mp4

#Convert .webm video to .mp4 video command : ffmpeg -i {path}/webcams.webm -strict -2 {path}/webcams.mp4

command=”ffmpeg -i #{$process_dir}/webcams.webm -strict -2 #{$process_dir}/webcams.mp4″

BigBlueButton.execute(command)

FileUtils.cp(“#{$process_dir}/webcams.mp4”, video_dir)

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”)

#Added by Ghanshyam Katriya Company : Ecosmob Technology Pvt Ltd. Date : 23/12/2015 Purpose : Convert .ogg to .mp3

#Convert .ogg video to .wav video command : avconv -i {path}/audio.ogg {path}/audio.mp3

command=”avconv -i #{$process_dir}/audio.ogg #{$process_dir}/audio.mp3″

BigBlueButton.execute(command)

FileUtils.cp(“#{$process_dir}/audio.mp3”, audio_dir)

end