migrade cre200 to module system
This commit is contained in:
MaZderMind
parent
646d28d9db
commit
64d19d0bb5
4 changed files with 93 additions and 225 deletions
93
cre200/__init__.py
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93
cre200/__init__.py
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#!/usr/bin/python
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# -*- coding: UTF-8 -*-
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def outroFrames():
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# 8 Sekunden
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# 1 Sekunden stehen bleiben
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frames = int(1*fps)
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 1),
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('lizenz','style', 'opacity', 1),
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)
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# 4 Sekunde Fadeout Logo
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frames = 4*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', "%.4f" % easeInCubic(i, 1, -1, frames)),
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('lizenz','style', 'opacity', 1),
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)
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# 4 Sekunde Fadeout Logo
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frames = 1*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 0),
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('lizenz','style', 'opacity', "%.4f" % easeInCubic(i, 1, -1, frames)),
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)
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# 3 Sekunden stehen bleiben
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frames = 3*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 0),
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('lizenz','style', 'opacity', 0),
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)
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def introFrames():
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# 8 Sekunden
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# 2 Sekunden Fadein logo
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frames = int(2*fps)
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', "%.4f" % easeInCubic(i, 0, 1, frames)),
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('text', 'style', 'opacity', 0),
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)
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# 3 Sekunden Fadein text
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frames = 3*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 1),
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('text', 'style', 'opacity', "%.4f" % easeInCubic(i, 0, 1, frames)),
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)
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# 3 Sekunden stehen bleiben
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frames = 3*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 1),
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('text', 'style', 'opacity', 1),
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)
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def debug():
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render(
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'intro.svg',
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'../intro.dv',
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introFrames
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)
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render(
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'outro.svg',
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'../outro.dv',
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outroFrames
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)
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def tasks(queue):
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# generate a task description and put them into the queue
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queue.put((
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'intro.svg',
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"intro.dv",
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introFrames
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))
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# place a task for the outro into the queue
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queue.put((
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'outro.svg',
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'outro.dv',
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outroFrames
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))
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Before Width: | Height: | Size: 7.8 KiB After Width: | Height: | Size: 7.8 KiB |
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Before Width: | Height: | Size: 6.9 KiB After Width: | Height: | Size: 6.9 KiB |
225
cre200/make.py
225
cre200/make.py
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@ -1,225 +0,0 @@
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#!/usr/bin/python
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# -*- coding: UTF-8 -*-
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import sys
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import glob
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import os
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import re
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import math
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import time
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import shutil
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import errno
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import urllib2
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from lxml import etree
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from xml.sax.saxutils import escape as xmlescape
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import cssutils
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import logging
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import tempfile
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import threading
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import multiprocessing
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from threading import Thread, Lock
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import subprocess
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from Queue import Queue
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# Frames per second. Increasing this renders more frames, the avconf-statements would still need modifications
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fps = 25
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# using --debug skips the threading, the network fetching of the schedule and
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# just renders one type of video
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debug = ('--debug' in sys.argv)
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# using --offline only skips the network fetching and use a local schedule.de.xml
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offline = ('--offline' in sys.argv)
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# set charset of output-terminal
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reload(sys)
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sys.setdefaultencoding('utf-8')
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# t: current time, b: begInnIng value, c: change In value, d: duration
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# copied from jqueryui
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def easeOutCubic(t, b, c, d):
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t=float(t)/d-1
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return c*((t)*t*t + 1) + b
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def easeInCubic(t, b, c, d):
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t=float(t)/d
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return c*(t)*t*t + b;
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def easeOutQuad(t, b, c, d):
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t=float(t)/d
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return -c *(t)*(t-2) + b;
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# try to create all folders needed and skip, they already exist
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def ensurePathExists(path):
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try:
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os.makedirs(path)
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except OSError as exception:
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if exception.errno != errno.EEXIST:
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raise
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# remove the files matched by the pattern
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def ensureFilesRemoved(pattern):
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for f in glob.glob(pattern):
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os.unlink(f)
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def vorspannFrames():
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# 8 Sekunden
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# 2 Sekunden Fadein logo
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frames = int(2*fps)
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', "%.4f" % easeInCubic(i, 0, 1, frames)),
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('text', 'style', 'opacity', 0),
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)
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# 3 Sekunden Fadein text
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frames = 3*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 1),
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('text', 'style', 'opacity', "%.4f" % easeInCubic(i, 0, 1, frames)),
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)
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# 3 Sekunden stehen bleiben
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frames = 3*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 1),
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('text', 'style', 'opacity', 1),
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)
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def abspannFrames():
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# 8 Sekunden
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# 1 Sekunden stehen bleiben
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frames = int(1*fps)
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 1),
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('lizenz','style', 'opacity', 1),
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)
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# 4 Sekunde Fadeout Logo
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frames = 4*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', "%.4f" % easeInCubic(i, 1, -1, frames)),
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('lizenz','style', 'opacity', 1),
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)
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# 4 Sekunde Fadeout Logo
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frames = 1*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 0),
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('lizenz','style', 'opacity', "%.4f" % easeInCubic(i, 1, -1, frames)),
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)
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# 3 Sekunden stehen bleiben
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frames = 3*fps
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for i in range(0, frames):
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yield (
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('logo', 'style', 'opacity', 0),
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('lizenz','style', 'opacity', 0),
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)
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cssutils.ser.prefs.lineSeparator = ' '
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cssutils.log.setLevel(logging.ERROR)
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def render(infile, outfile, sequence, parameters={}, workdir='artwork'):
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# in debug mode we have no thread-worker which prints its progress
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if debug:
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print "generating {0} from {1}".format(outfile, infile)
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# make sure a .frames-directory exists in out workdir
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ensurePathExists(os.path.join(workdir, '.frames'))
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# open and parse the input file
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with open(os.path.join(workdir, infile), 'r') as fp:
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svgstr = fp.read()
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for key in parameters.keys():
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svgstr = svgstr.replace(key, xmlescape(str(parameters[key])))
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svg = etree.fromstring(svgstr)
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# find all images and force them to absolute file-urls
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namespaces = {'xlink': 'http://www.w3.org/1999/xlink', 'svg': 'http://www.w3.org/2000/svg'}
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for el in svg.findall(".//svg:image[@xlink:href]", namespaces=namespaces):
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el.attrib['{http://www.w3.org/1999/xlink}href'] = 'file:///' + os.path.realpath(workdir) + '/' + el.attrib['{http://www.w3.org/1999/xlink}href']
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# frame-number counter
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frameNr = 0
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# iterate through the animation seqence frame by frame
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# frame is a ... tbd
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for frame in sequence():
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# print a line for each and every frame generated
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if debug:
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print "frameNr {0:2d} => {1}".format(frameNr, frame)
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# open the output-file (named ".gen.svg" in the workdir)
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with open(os.path.join(workdir, '.gen.svg'), 'w') as fp:
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# apply the replace-pairs to the input text, by finding the specified xml-elements by thier id and modify thier css-parameter the correct value
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for replaceinfo in frame:
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(id, type, key, value) = replaceinfo
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for el in svg.findall(".//*[@id='"+id.replace("'", "\\'")+"']"):
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if type == 'style':
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style = cssutils.parseStyle( el.attrib['style'] if 'style' in el.attrib else '' )
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style[key] = unicode(value)
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el.attrib['style'] = style.cssText
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elif type == 'attr':
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el.attrib[key] = value
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# write the generated svg-text into the output-file
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fp.write( etree.tostring(svg) )
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# invoke inkscape to convert the generated svg-file into a png inside the .frames-directory
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errorReturn = subprocess.check_output('cd {0} && inkscape --export-png=.frames/{1:04d}.png .gen.svg 2>&1 >/dev/null'.format(workdir, frameNr), shell=True)
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if errorReturn != '':
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print "inkscape exitted with error\n"+errorReturn
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sys.exit(42)
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# increment frame-number
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frameNr += 1
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# remove the dv we are about to (re-)generate
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ensureFilesRemoved(os.path.join(workdir, outfile))
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# invoke avconv aka ffmpeg and renerate a lossles-dv from the frames
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# if we're not in debug-mode, suppress all output
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os.system('cd {0} && ffmpeg -ar 48000 -ac 2 -f s16le -i /dev/zero -f image2 -i .frames/%04d.png -target pal-dv -aspect 16:9 -shortest "{1}"'.format(workdir, outfile) + ('' if debug else '>/dev/null 2>&1'))
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# as before, in non-debug-mode the thread-worker does all progress messages
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if debug:
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print "cleanup"
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# remove the .frames-dir with all frames in it
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shutil.rmtree(os.path.join(workdir, '.frames'))
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# remove the generated svg
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ensureFilesRemoved(os.path.join(workdir, '.gen.svg'))
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# render('vorspann.svg',
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# '../intro.dv',
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# vorspannFrames
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# )
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render(
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'abspann.svg',
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'../outro.dv',
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abspannFrames
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)
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