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Seeking with Multi consumer
From: /home/app/playlist.rb @ line 60 :
55: consumer.start
56:
57: # Connect the producer to the consumer
58: consumer.connect( pls )
59:
=> 60: binding.pry
61: # Wait until the user stops the consumer
62: #consumer.wait_for( event )
63:
64:
65: # Clean up consumer
[1] pry(main)> pls.position
=> 200
[2] pry(main)> consumer.position
=> 279
[3] pry(main)> pls.seek(2000)
=> 0
[4] pry(main)> consumer.position
=> 620
[5] pry(main)> pls.position
=> 2028
[6] pry(main)> pls.position
=> 2028
[7] pry(main)> consumer.position
=> 620
[8] pry(main)> pls.get_speed
=> 1.0
[9] pry(main)> consumer.get_speed
NoMethodError: undefined method `get_speed' for #<Mlt::Consumer:0x000000024be130>
from (pry):9:in `<main>'
[10] pry(main)> consumer.is_stopped
=> false
[11] pry(main)> pls.get_speed
=> 1.0
[12] pry(main)> consumer.position
=> 2336
[13] pry(main)> pls.position
=> 2548
[14] pry(main)> pls.seek(500)
=> 0
[15] pry(main)> pls.position
=> 1232
[16] pry(main)> consumer.position
=> 1681
[17] pry(main)> consumer.position
=> 2247
[18] pry(main)> consumer.position
=> 2476
[19] pry(main)> pls.position
=> 2990
[20] pry(main)> pls.position
=> 3274
[21] pry(main)> consumer.position
=> 3346
[22] pry(main)> pls.seek(500)
=> 0
[23] pry(main)> consumer.position
=> 783
[24] pry(main)> consumer.position
=> 1191
[25] pry(main)> pls.position
=> 1633
[26] pry(main)> pls.position
=> 1861
[27] pry(main)> consumer.position
=> 2223
- mlt_service: decklink:0
mlt_profile: atsc_1080i_50
- mlt_service: decklink:1
mlt_profile: dv_pal_wide
#!/usr/bin/env ruby
# Import required modules
require 'pry'
require 'mlt'
# Create the mlt system
Mlt::Factory::init
# profile for decklink consumer
#profile = Mlt::Profile.new("atsc_1080i_50")
#profile for multi consumer
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
#consumer = Mlt::Consumer.new( profile, "decklink:0" )
consumer = Mlt::Consumer.new( profile, "multi:/root/multi.yml" )
raise "Unable to open multi consumer" if !consumer.is_valid
# rescaling for decklink
#consumer.set( "rescale", "bilinear" )
# no rescaling for multi
consumer.set( "rescale", "none" )
#consumer.set("volume", 0.1)
#consumer.set("terminate_on_pause", 0)
#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
consumer.start
# Connect the producer to the consumer
consumer.connect( pls )
binding.pry
# Wait until the user stops the consumer
#consumer.wait_for( event )
# Clean up consumer
consumer.stop
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