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_render_profile(project_profile, render_size, render_folder):
new_width, new_height = _get_render_dimensions(project_profile,
render_size)
file_contents = "description=" + "proxy render profile" + "\n"
file_contents += "frame_rate_num=" + str(
project_profile.frame_rate_num()) + "\n"
file_contents += "frame_rate_den=" + str(
project_profile.frame_rate_den()) + "\n"
file_contents += "width=" + str(new_width) + "\n"
file_contents += "height=" + str(new_height) + "\n"
file_contents += "progressive=1" + "\n"
file_contents += "sample_aspect_num=" + str(
project_profile.sample_aspect_num()) + "\n"
file_contents += "sample_aspect_den=" + str(
project_profile.sample_aspect_den()) + "\n"
file_contents += "display_aspect_num=" + str(
project_profile.display_aspect_num()) + "\n"
file_contents += "display_aspect_den=" + str(
project_profile.display_aspect_den()) + "\n"
render_profile_path = render_folder + "/temp_render_profile"
with atomicfile.AtomicFileWriter(render_profile_path, "w") as afw:
profile_file = afw.get_file()
profile_file.write(file_contents)
render_profile = mlt.Profile(render_profile_path)
return render_profile
def _get_proxy_profile(project):
project_profile = project.profile
new_width, new_height = _get_proxy_dimensions(project_profile,
project.proxy_data.size)
file_contents = "description=" + "proxy render profile" + "\n"
file_contents += "frame_rate_num=" + str(
project_profile.frame_rate_num()) + "\n"
file_contents += "frame_rate_den=" + str(
project_profile.frame_rate_den()) + "\n"
file_contents += "width=" + str(new_width) + "\n"
file_contents += "height=" + str(new_height) + "\n"
file_contents += "progressive=1" + "\n"
file_contents += "sample_aspect_num=" + str(
project_profile.sample_aspect_num()) + "\n"
file_contents += "sample_aspect_den=" + str(
project_profile.sample_aspect_den()) + "\n"
file_contents += "display_aspect_num=" + str(
project_profile.display_aspect_num()) + "\n"
file_contents += "display_aspect_den=" + str(
project_profile.display_aspect_den()) + "\n"
proxy_profile_path = utils.get_hidden_user_dir_path(
) + "temp_proxy_profile"
profile_file = open(proxy_profile_path, "w")
profile_file.write(file_contents)
profile_file.close()
proxy_profile = mlt.Profile(proxy_profile_path)
return proxy_profile
def _get_proxy_profile(project):
project_profile = project.profile
new_width, new_height = _get_proxy_dimensions(project_profile,
project.proxy_data.size)
file_contents = "description=" + "proxy render profile" + "\n"
file_contents += "frame_rate_num=" + str(
project_profile.frame_rate_num()) + "\n"
file_contents += "frame_rate_den=" + str(
project_profile.frame_rate_den()) + "\n"
file_contents += "width=" + str(new_width) + "\n"
file_contents += "height=" + str(new_height) + "\n"
file_contents += "progressive=1" + "\n"
file_contents += "sample_aspect_num=" + str(
project_profile.sample_aspect_num()) + "\n"
file_contents += "sample_aspect_den=" + str(
project_profile.sample_aspect_den()) + "\n"
file_contents += "display_aspect_num=" + str(
project_profile.display_aspect_num()) + "\n"
file_contents += "display_aspect_den=" + str(
project_profile.display_aspect_den()) + "\n"
proxy_profile_path = userfolders.get_cache_dir() + "temp_proxy_profile"
with atomicfile.AtomicFileWriter(proxy_profile_path, "w") as afw:
profile_file = afw.get_file()
profile_file.write(file_contents)
proxy_profile = mlt.Profile(proxy_profile_path)
return proxy_profile
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)
def _load_profiles_list(dir_path):
load_profiles = []
file_list = os.listdir(dir_path)
for fname in file_list:
file_path = dir_path + fname
profile = mlt.Profile(file_path)
profile.file_path = file_path
load_profiles.append([profile.description(), profile])
return load_profiles
def __init__(self, loop_filename):
mlt.Factory().init()
self.profile = mlt.Profile()
self.mlt_consumer = mlt.Consumer(self.profile, self.consumer_type_)
#self.mlt_consumer.set("fullscreen", 1)
self.loop = mlt.Producer(self.profile, loop_filename)
#self.loop.set("force_aspect_ratio", 1.0)
self.loop.set("eof", "loop")
#self.playing_consumer = None
self.mlt_consumer.set("rescale", "none")
#self.overlay_call = None
self.state = None
self.pause_screen()
#self.mlt_consumer.listen("producer-changed", None, self.blah )
self.mlt_consumer.start()
print(("MLT profile desc", self.profile.description()))
print(("Framerate", self.profile.frame_rate_num()))
print(("Width/Height/Progressive", self.profile.width(),
self.profile.height(), self.profile.progressive()))
def _load_profiles_list(dir_path):
load_profiles = []
file_list = os.listdir(dir_path)
for fname in file_list:
## Feb-2017 - SvdB - Filter out duplicate profiles based on profile name
found_duplicate = False
file_path = dir_path + fname
profile = mlt.Profile(file_path)
profile.file_path = file_path
load_profiles.append([profile.description(), profile])
# Feb-2017 - SvdB - Filter out duplicate profiles based on profile name
for enu_count, prof in enumerate(load_profiles):
for prof_idx, prof_name in enumerate(prof):
if prof_name == profile.description():
found_duplicate = True
if found_duplicate == False:
load_profiles.append([profile.description(), profile])
return load_profiles
def run(self):
""" This is the main method on this thread. This method should not return anything, or the
thread will no longer be active... and thus will no longer be able to inspect media files. """
self.amAlive = True
self.file_name = ""
self.c = None
self.p = None
# init the factory, and load a small video size / profile
mlt.Factory().init()
self.profile = mlt.Profile("quarter_ntsc")
# this loop will continue as long as LibreShot is running
while self.amAlive:
time.sleep(1)
# clear all the MLT objects
self.p = None
self.c = None
self.profile = None
self.f = None
#!/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))
import mlt
import time
import sys
import tornado.ioloop
import tornado.web
import shutil
import tempfile
import os
import os.path
# Start the mlt system
mlt.mlt_log_set_level(40) # verbose
mlt.Factory.init()
# Establish a pipeline
profile = mlt.Profile("atsc_1080i_5994")
#profile = mlt.Profile('square_ntsc_wide')
profile.set_explicit(1)
tractor = mlt.Tractor()
tractor.set('eof', 'loop')
playlist = mlt.Playlist()
playlist.append(mlt.Producer(profile, 'color:'))
# Setup the consumer
consumer = 'decklink:0'
if len(sys.argv) > 1:
consumer = sys.argv[1]
consumer = mlt.Consumer(profile, consumer)
consumer.connect(playlist)
#consumer.set("real_time", -2)
consumer.start()
ftodel = list()
t_scenes = scene_count(config)
current_scene = 0
pjson = {'Progress': 'True', 'video': ''}
fgcolor = config["23"][9]['font_color__23']
bgcolor = config["23"][4]['highlight_color__23']
vtype = config["0"][0]['format']
mlt.mlt_log_set_level(0) # verbose
mlt.Factory().init()
logo_max_size = 0
if vtype == 'square':
profile = mlt.Profile()
profile.set_explicit(1)
profile.set_sample_aspect(1, 1)
profile.set_frame_rate(30000, 1000)
profile.set_display_aspect(1, 1)
profile.set_width(1080)
profile.set_height(1080)
profile.set_colorspace(709)
logo_max_size = 125
elif vtype == 'vertical':
profile = mlt.Profile()
profile.set_explicit(1)
profile.set_sample_aspect(1, 1)
profile.set_frame_rate(30000, 1000)
profile.set_display_aspect(2, 3)
profile.set_width(720)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import mlt
import sys
from PIL import Image
# setup
mlt.Factory.init()
profile = mlt.Profile('square_pal_wide')
prod = mlt.Producer(profile, sys.argv[1])
# This builds a profile from the attributes of the producer: auto-profile.
profile.from_producer(prod)
# Ensure the image is square pixels - optional.
profile.set_width(int(profile.width() * profile.sar()))
profile.set_sample_aspect(1, 0)
# Seek to 10% and get a Mlt frame.
prod.seek(int(prod.get_length() * 0.1))
frame = prod.get_frame()
# And make sure we deinterlace if input is interlaced - optional.
frame.set("consumer_deinterlace", 1)
# Now we are ready to get the image and save it.
size = (profile.width(), profile.height())
rgb = frame.get_image(mlt.mlt_image_rgb24, *size)
img = Image.fromstring('RGB', size, rgb)
img.save(sys.argv[1] + '.png')
def GetFile(self,
file_location,
only_thumbnail=True,
new_file_base_name=None,
start_time=0.00,
end_time=None):
""" Use this method to generate an LibreShotFile object based on the URL (or file location)
of a video or audio file. Each time you call this method, it will lock this thread (and LibreShot's
main thread) until it has finished. """
"""
file_location: The location of the file on the hard drive, including the name and extension.
only_thumbnail: True if only a thumbnail should be grabbed from the file, False if image sequence.
new_file_base_name: The name of the folder and the base for the image sequence name, not including the path.
start_time: The time to start grabbing frames from the file, in seconds.
end_time: The time to end grabbing frames from the file, in seconds. None = To the last frame.
"""
try:
# determine name and location of thumbnail image
self.file_name = file_location
self.thumbnail_path = ""
self.file_type = "video"
self.label = ""
self.unique_id = str(uuid.uuid1())
project_path = self.project.folder
(dirName, fileName) = os.path.split(file_location)
(fileBaseName, fileExtension) = os.path.splitext(fileName)
fileExtension = fileExtension.replace(".", "")
uniqueFileBaseName = self.unique_id
actual_thumbnail_path = project_path + "/thumbnail/" + uniqueFileBaseName + "_" + fileExtension + "_1.png"
if only_thumbnail:
# just get 1 thumbnail frame
self.thumbnail_path = project_path + "/thumbnail/" + uniqueFileBaseName + "_" + fileExtension + "_%d.png"
# set the profile
self.profile = mlt.Profile("quarter_ntsc")
else:
if new_file_base_name == None or new_file_base_name == fileBaseName:
# choose the same folder as the name (without extension) as default
self.thumbnail_path = os.path.join(
dirName, fileBaseName, fileBaseName + "_%d.png")
else:
# export a part of the video to a folder under the folder with the same name as the file.
self.thumbnail_path = os.path.join(
dirName, fileBaseName, new_file_base_name,
new_file_base_name + "_%d.png")
# re-init the mlt factory
mlt.Factory.init()
# Create the producer
self.p = mlt.Producer(self.profile, '%s' % file_location)
# Check if clip is valid (otherwise a seg fault)
if self.p.is_valid() == False:
return None
# Check for invalid files - badly generated video files can have
# a length of 0 or -1, e.g.
# https://bugs.launchpad.net/ubuntu/+source/libreshot/+bug/927755, https://bugs.launchpad.net/kazam/+bug/925238
if self.p.get_length() < 1 or self.p.get_length() == 0x7fffffff:
return None
# check the 'seekable' property
# If it is zero, then MLT is likely to have problems with this file.
if self.p.get("seekable") == '0':
messagebox.show(
_("Warning!"),
_("The file %s has properties that may prevent it working properly in LibreShot.\nYou may need to transcode it to another format."
) % (self.file_name))
# create the consumer
self.c = mlt.Consumer(self.profile, "avformat",
self.thumbnail_path)
# set some consumer properties
self.c.set("real_time", 0)
self.c.set("vcodec", "png")
# determine length of clip in seconds
producer_fps = float(self.p.get_fps())
first_frame = int(round(producer_fps * start_time))
# Whole clip if end_time = None
if end_time == None:
last_frame = self.p.get_length()
else:
last_frame = int(round(producer_fps * end_time))
max_frames = last_frame - first_frame
# determine dimensions
height = 0
width = 0
if self.p.get("height"):
height = int(self.p.get("height"))
if self.p.get("width"):
width = int(self.p.get("width"))
audio_index = self.p.get_int("audio_index")
video_index = self.p.get_int("video_index")
audio_property = "meta.media.%s.codec.long_name" % audio_index
if self.p.get(audio_property):
self.audio_codec = self.p.get(audio_property)
else:
self.audio_codec = ""
video_property = "meta.media.%s.codec.long_name" % video_index
if self.p.get(video_property):
self.video_codec = self.p.get(video_property)
else:
self.video_codec = ""
if self.p.get_frame():
frame = self.p.get_frame()
self.audio_frequency = frame.get_int("frequency")
self.audio_channels = frame.get_int("channels")
# determine if this is an image
is_image = False
if self.p.get_length(
) == 15000 and video_index == 0 and audio_index == 0:
# images always have exactly 15000 frames
is_image = True
self.file_type = "image"
# set the max length of the image to 300 seconds (i.e. 5 minutes)
max_frames = producer_fps * 300
# get actual height & width of image (since MLT defaults to 1 x 1)
width, height = self.get_image_size(file_location)
# determine length
if only_thumbnail:
calculate_length = self.p.get_length() / producer_fps
else:
calculate_length = max_frames / producer_fps
if is_image:
# set the length to 300 seconds (i.e. 5 minutes)
calculate_length = float(300)
# set thumbnail image (if no height & width are detected)
if (height == False or width == False) and (is_image == False):
self.thumbnail_path = ""
self.file_type = "audio"
# get the 1st frame (if not exporting all frames)
if only_thumbnail:
max_frames = float(self.p.get_length()) - 1.0
self.p = self.p.cut(1, 1)
# get the frames in an interval
else:
self.p = self.p.cut(first_frame, last_frame)
# mark as image seq
self.label = "Image Sequence"
self.file_type = "image sequence"
# Check if clip is valid (otherwise a seg fault)
if self.p.is_valid() == False:
return None
# connect the producer and consumer
self.c.connect(self.p)
# Start the consumer, and lock the thread until it's done (to prevent crazy seg fault errors)
# Only start if the media item has a thumbnail location (i.e. no audio thumbnails)
if self.thumbnail_path:
self.c.run()
# create an libreshot file object
newFile = files.LibreShotFile(self.project)
# thumbnails and image sequences are stored at different locations
if only_thumbnail:
newFile.name = file_location
else:
newFile.name = self.thumbnail_path
newFile.length = calculate_length
newFile.thumb_location = actual_thumbnail_path
newFile.videorate = (self.p.get_fps(), 0)
newFile.height = height
newFile.width = width
newFile.max_frames = max_frames
newFile.fps = producer_fps
newFile.file_type = self.file_type
newFile.label = self.label
newFile.audio_channels = self.audio_channels
newFile.audio_codec = self.audio_codec
newFile.audio_frequency = self.audio_frequency
newFile.video_codec = self.video_codec
# return the LibreShotFile object
return newFile
except Exception:
print "Failed to import file: %s" % file_location
def get_thumb_at_frame(self,
filename,
frame=1,
new_name="",
full_size=True):
""" if new_name = None, it will default to 'name_fileext + "_%d.ext' in the thumbnail folder.
if full_size is True, a full size frame will be extracted (based on the project profile).
Else: quarter_ntsc"""
self.file_name = filename
project_path = self.project.folder
myPath = self.file_name
(dirName, fileName) = os.path.split(myPath)
(fileBaseName, fileExtension) = os.path.splitext(fileName)
fileExtension = fileExtension.replace(".", "")
# Init mlt factory
mlt.Factory.init()
# set the profile
if full_size:
self.profile = profiles.mlt_profiles(self.project).get_profile(
self.project.project_type)
else:
self.profile = mlt.Profile("quarter_ntsc")
# Create the producer
self.p = mlt.Producer(self.profile, '%s' % self.file_name)
# Check if clip is valid (otherwise a seg fault)
if self.p.is_valid() == False:
return None
if new_name == "":
# just get 1 thumbnail frame
self.thumbnail_path = project_path + "/thumbnail/" + fileBaseName + "_" + fileExtension + "_%d.png"
else:
#for snapshots, use the new file name
#don't use the thumbnail path for the new file
self.thumbnail_path = project_path + "/" + new_name
# create the consumer
self.c = mlt.Consumer(self.profile, "avformat", self.thumbnail_path)
# set some consumer properties
self.c.set("real_time", 0)
self.c.set("vcodec", "png")
#get the frame
self.p = self.p.cut(frame, frame)
# Check if clip is valid (otherwise a seg fault)
if self.p.is_valid() == False:
return None
# connect the producer and consumer
self.c.connect(self.p)
# Only start if the media item has a thumbnail location (i.e. no audio thumbnails)
if self.thumbnail_path:
self.c.run()
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Import required modules
from __future__ import print_function
import mlt
import time
import sys
# Start the mlt system
mlt.Factory().init()
# Establish a profile
profile = mlt.Profile()
# Create the producer
p = mlt.Producer(profile, sys.argv[1])
if p:
# Create the consumer
c = mlt.Consumer(profile, "sdl")
# Turn off the default rescaling
c.set("rescale", "none")
# Connect the producer to the consumer
c.connect(p)
# Start the consumer
c.start()
def run(self):
self.start_time = time.monotonic()
if self.lookup_path == "None":
# Video clips
proxy_profile = mltprofiles.get_profile(self.proxy_profile_desc)
# App wrote the temp profile when launching proxy render.
# NOTE: this needs to be created here for future
proxy_profile_path = userfolders.get_cache_dir(
) + "temp_proxy_profile"
proxy_profile = mlt.Profile(proxy_profile_path)
renderconsumer.performance_settings_enabled = False # uuh...we're obivously disabling something momentarily.
consumer = renderconsumer.get_render_consumer_for_encoding(
self.proxy_file_path, proxy_profile,
renderconsumer.proxy_encodings[self.enc_index])
renderconsumer.performance_settings_enabled = True
consumer.set("vb", str(int(self.proxy_rate)) + "k")
consumer.set("rescale", "nearest")
file_producer = mlt.Producer(proxy_profile,
str(self.media_file_path))
start_frame = 0
end_frame = file_producer.get_length() - 1
self.render_player = renderconsumer.FileRenderPlayer(
None, file_producer, consumer, 0, end_frame)
self.render_player.wait_for_producer_end_stop = False
self.render_player.start()
while self.render_player.stopped == False:
self.check_abort_requested()
if self.abort == True:
self.render_player.shutdown()
return
fraction = self.render_player.get_render_fraction()
self.render_update(fraction)
time.sleep(0.3)
else:
# Image Sequences
copyfolder, copyfilename = os.path.split(self.proxy_file_path)
if not os.path.isdir(copyfolder):
os.makedirs(copyfolder)
listing = glob.glob(self.lookup_path)
size = self.proxy_w, self.proxy_h
done = 0
for orig_path in listing:
orig_folder, orig_file_name = os.path.split(orig_path)
try:
im = Image.open(orig_path)
im.thumbnail(size, Image.ANTIALIAS)
im.save(copyfolder + "/" + orig_file_name, "PNG")
except IOError:
print("proxy img seq frame failed for '%s'" % orig_path)
done = done + 1
if done % 5 == 0:
fraction = float(done) / float(len(listing))
self.render_update(fraction)
# Write out completed flag file.
ccrutils.write_completed_message()