2 consumers 1 playlist

gistfile1.txt

#!/usr/bin/env ruby

# Import required modules
require 'pry'
require 'mlt'

# Create the mlt system
Mlt::Factory::init

# Establish the mlt profile
profile1 = Mlt::Profile.new("atsc_1080i_50")
profile2 = Mlt::Profile.new("dv_pal_wide")
profile = Mlt::Profile.new()


# Get and check the argument
file = ARGV.shift
raise "Usage: test.rb file1 file2" if file.nil?
file2 = ARGV.shift
raise "Usage: test.rb file1 file2" if file2.nil?

pls = Mlt::Playlist.new()

# Create the producer
producer = Mlt::Factory::producer( profile, file )
raise "Unable to load #{file}" if !producer.is_valid

producer2 = Mlt::Factory::producer( profile, file2 )
raise "Unable to load #{file2}" if !producer2.is_valid

pls.append(producer)
#pls.repeat(0, 2)
pls.append(producer2)

# Create the consumer
consumer1 = Mlt::Consumer.new( profile1, "decklink:0" )
consumer2 = Mlt::Consumer.new( profile2, "decklink:1" )
#consumer = Mlt::Consumer.new( profile, "multi:/home/app/multi.yml" )
raise "Unable to open decklink:0 consumer" if !consumer1.is_valid
raise "Unable to open decklink:1 consumer" if !consumer2.is_valid

# Turn off the default rescaling
consumer1.set( "rescale", "bilinear" )
consumer2.set( "rescale", "bilinear" )
#consumer.set( "rescale", "none" )
consumer1.set( "realtime", 4 )
consumer2.set( "realtime", 4 )
#consumer.set( "buffer", 0 )
#consumer.set( "prefill", 0 )
consumer1.set( "terminate_on_pause", 0)
consumer2.set( "terminate_on_pause", 0)
#consumer.set("volume", 0.1)

#Mlt::PlaylistNextListener.new(pls, Proc.new { |i|
#    info = pls.clip_info(i)
#    puts "finished playing #{info.resource}\n"
#})


# Set up a 'wait for' event
#event = consumer.setup_wait_for( "consumer-stopped" )

# Start the consumer
consumer1.start
consumer2.start

# Connect the producer to the consumer
consumer1.connect( pls )
consumer2.connect( pls )

binding.pry
# Wait until the user stops the consumer
#consumer.wait_for( event )


# Clean up consumer
consumer1.stop
consumer2.stop