cleanup swig examples

- change deprecated `sdl` consumer to `sdl2`
- remove defunct, low priority consumer `rescale`="none"
- fix python module import
- fix play.py error handling
- add auto-profile to play.py

src/swig/csharp/play.cs

@@ -9,8 +9,7 @@ public static void Main(String[] args) {
 		Profile profile = new Profile("");
 		Producer p = new Producer(profile, args[0], null);
 		if (p.is_valid()) {
-			Consumer c = new Consumer(profile, "sdl", null);
-			c.set("rescale", "none");
+			Consumer c = new Consumer(profile, "sdl2", null);
 			c.connect(p);
 			c.start();
 			while (!c.is_stopped())

src/swig/java/Play.java

@@ -22,11 +22,8 @@ public static void main (String[] args) {
 			p.set ("eof", "loop");
 
 			// Create the consumer
-			Consumer c = new Consumer( profile, "sdl", null);
+			Consumer c = new Consumer( profile, "sdl2", null);
 
-			// Turn off the default rescaling
-			c.set("rescale", "none");
-
 			// Connect the producer to the consumer
 			c.connect(p);
 

src/swig/lua/play.lua

@@ -6,8 +6,7 @@ mlt.Factory_init()
 profile = mlt.Profile()
 producer = mlt.Producer( profile, arg[1] )
 if producer:is_valid() then
-  consumer = mlt.Consumer( profile, "sdl" )
-  consumer:set( "rescale", "none" )
+  consumer = mlt.Consumer( profile, "sdl2" )
   consumer:set( "terminate_on_pause", 1 )
   consumer:connect( producer )
   event = consumer:setup_wait_for( "consumer-stopped" )

src/swig/nodejs/play.js

@@ -27,7 +27,7 @@ if (!producer.is_valid()) {
 
 console.log('get_fps', producer.get_fps())
 
-let consumer = new Consumer(profile, 'sdl')
+let consumer = new Consumer(profile, 'sdl2')
 
 consumer.connect(producer)
 consumer.start()

src/swig/perl/play.pl

@@ -18,10 +18,7 @@
 	$p->set( "eof", "loop" );
 
 	# Create the consumer
-	$c = new mlt::FilteredConsumer( $profile, "sdl" );
-
-	# Turn of the default rescaling
-	$c->set( "rescale", "none" );
+	$c = new mlt::FilteredConsumer( $profile, "sdl2" );
 
 	# Connect the producer to the consumer
 	$c->connect( $p );

src/swig/php/play.php

@@ -5,7 +5,7 @@
 $profile = new_profile("dv_ntsc");
 $p = new_producer( $profile, $filename );
 if ( $p ) {
-	$c = new_consumer( $profile, "sdl" );
+	$c = new_consumer( $profile, "sdl2" );
 	consumer_connect( $c, $p );
 	$e = properties_setup_wait_for( $c, "consumer-stopped" );
 	consumer_start( $c );

src/swig/python/codecs.py

@@ -3,23 +3,23 @@
 
 # Import required modules
 from __future__ import print_function
-import mlt
+import mlt7 as mlt
 
 # Start the mlt system
-mlt.Factory().init( )
+mlt.Factory().init()
 
 # Create the consumer
-c = mlt.Consumer( mlt.Profile(), "avformat" )
+c = mlt.Consumer(mlt.Profile(), "avformat")
 
 # Ask for video codecs supports
-c.set( 'vcodec', 'list' )
+c.set('vcodec', 'list')
 
 # Start the consumer to generate the list
 c.start()
 
 # Get the vcodec property
-codecs = mlt.Properties( c.get_data( 'vcodec' ) )
+codecs = mlt.Properties(c.get_data('vcodec'))
 
 # Print the list of codecs
-for i in range( 0, codecs.count()):
-	print(codecs.get( i ))
+for i in range(0, codecs.count()):
+	print(codecs.get(i))

src/swig/python/getimage.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-import mlt
+import mlt7 as mlt
 import sys
 from PIL import Image
 

src/swig/python/play.py

@@ -3,36 +3,43 @@
 
 # Import required modules
 from __future__ import print_function
-import mlt
+import mlt7 as mlt
 import time
 import sys
 
 # Start the mlt system
-mlt.Factory().init( )
+mlt.Factory().init()
 
-# Establish a profile
-profile = mlt.Profile( )
+# Establish a default (usually "dv_pal") profile
+profile = mlt.Profile()
 
 # Create the producer
-p = mlt.Producer( profile, sys.argv[1] )
+p = mlt.Producer(profile, sys.argv[1])
+
+if p.is_valid():
+	# Derive a profile based on the producer
+	profile.from_producer(p)
+
+	# Reload the producer using the derived profile
+	p = mlt.Producer(profile, sys.argv[1])
 
-if p:
 	# Create the consumer
-	c = mlt.Consumer( profile, "sdl" )
+	c = mlt.Consumer(profile, "sdl2")
+
+	if not c.is_valid():
+		print("Failed to open the sdl2 consumer")
+		sys.exit(1)
 
-	# Turn off the default rescaling
-	c.set( "rescale", "none" )
-
 	# Connect the producer to the consumer
-	c.connect( p )
+	c.connect(p)
 
 	# Start the consumer
-	c.start( )
+	c.start()
 
 	# Wait until the user stops the consumer
-	while c.is_stopped( ) == 0:
-		time.sleep( 1 )
+	while not c.is_stopped():
+		time.sleep(1)
 else:
 	# Diagnostics
-	print("Unable to open ", sys.argv[ 1 ])
-
+	print("Unable to open ", sys.argv[1])
+	sys.exit(1)

src/swig/python/switcher.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 # Import required modules
-import mlt
+import mlt7 as mlt
 import time
 import sys
 import tornado.ioloop

src/swig/python/test_animation.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 from __future__ import print_function
-import mlt
+import mlt7 as mlt
 
 p = mlt.Properties()
 p.anim_set("foo", "bar", 10)

src/swig/python/waveforms.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-import mlt
+import mlt7 as mlt
 from PIL import Image
 
 mlt.Factory.init()

src/swig/python/webvfx_generator.py

@@ -19,7 +19,7 @@
 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 # Import required modules
-import mlt
+import mlt7 as mlt
 import time
 import sys
 import tornado.ioloop

src/swig/ruby/play.rb

@@ -14,27 +14,24 @@
 raise "Usage: test.rb file" if file.nil?
 
 # Create the producer
-producer = Mlt::Factory::producer( profile, file )
+producer = Mlt::Factory::producer(profile, file)
 raise "Unable to load #{file}" if !producer.is_valid
 
 # Create the consumer
-consumer = Mlt::Consumer.new( profile, "sdl" )
-raise "Unable to open sdl consumer" if !consumer.is_valid
-
-# Turn off the default rescaling
-consumer.set( "rescale", "none" )
+consumer = Mlt::Consumer.new(profile, "sdl2")
+raise "Unable to open sdl2 consumer" if !consumer.is_valid
 
 # Set up a 'wait for' event
-event = consumer.setup_wait_for( "consumer-stopped" )
+event = consumer.setup_wait_for("consumer-stopped")
 
 # Start the consumer
 consumer.start
 
 # Connect the producer to the consumer
-consumer.connect( producer )
+consumer.connect(producer)
 
 # Wait until the user stops the consumer
-consumer.wait_for( event )
+consumer.wait_for(event)
 
 # Clean up consumer
 consumer.stop