def check_available_features(repo):
try:
print "Detecting environment..."
global acodecs
global vcodecs
global formats
global services
global transitions
global environment_detection_success
acodecs = []
vcodecs = []
formats = []
services = {}
transitions = {}
# video codecs
cv = mlt.Consumer(mlt.Profile(), "avformat")
cv.set('vcodec', 'list')
cv.start()
codecs = mlt.Properties(cv.get_data('vcodec'))
for i in range(0, codecs.count()):
vcodecs.append(codecs.get(i))
# audio codecs
ca = mlt.Consumer(mlt.Profile(), "avformat")
ca.set('acodec', 'list')
ca.start()
codecs = mlt.Properties(ca.get_data('acodec'))
for i in range(0, codecs.count()):
acodecs.append(codecs.get(i))
# formats
cf = mlt.Consumer(mlt.Profile(), "avformat")
cf.set('f', 'list')
cf.start()
codecs = mlt.Properties(cf.get_data('f'))
for i in range(0, codecs.count()):
formats.append(codecs.get(i))
# filters
envservices = mlt.Repository.filters(repo)
for i in range(mlt.Properties.count(envservices)):
services[mlt.Properties.get_name(envservices, i)] = True
# transitions
envtransitions = mlt.Repository.transitions(repo)
for i in range(mlt.Properties.count(envtransitions)):
transitions[mlt.Properties.get_name(envtransitions, i)] = True
print "MLT detection succeeded, " + str(len(formats)) + " formats, " \
+ str(len(vcodecs)) + " video codecs and " + str(len(acodecs)) + " audio codecs found."
print str(len(services)) + " MLT services found."
environment_detection_success = True
except:
print "Environment detection failed, environment unknown."
GObject.timeout_add(2000, _show_failed_environment_info)
def get_formats(self, format=None):
try:
formats_raw = []
# Create the consumer
c = mlt.Consumer(mlt.Profile(), "avformat")
# Ask for video codecs supports
c.set('f', 'list')
# Start the consumer to generate the list
c.start()
# Get the vcodec property
codecs = mlt.Properties(c.get_data('f'))
# Display the list of codecs
for i in range(0, codecs.count()):
formats_raw.append(codecs.get(i))
# sort list
formats_raw.sort()
return formats_raw
except:
# If the above code fails, use an older technique which uses the 'melt'
# command line, and parses the output
print "Warning: Could not get list of formats using the MLT API. Falling back to 'melt' executable."
return self.get_formats_fallback(format)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Import required modules
from __future__ import print_function
import mlt
# Start the mlt system
mlt.Factory().init()
# Create the consumer
c = mlt.Consumer(mlt.Profile(), "avformat")
# Ask for video codecs supports
c.set('vcodec', 'list')
# Start the consumer to generate the list
c.start()
# Get the vcodec property
codecs = mlt.Properties(c.get_data('vcodec'))
# Print the list of codecs
for i in range(0, codecs.count()):
print(codecs.get(i))
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import mlt
p = mlt.Properties()
p.anim_set("foo", "bar", 10)
a = p.get_anim("bar")
print "bar is valid:", a.is_valid()
a = p.get_anim("foo")
print "foo is valid:", a.is_valid()
print "serialize:", a.serialize_cut()