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from PyQt4 import QtCore
from PyQt4.QtCore import QSettings
import argparse
import os
import sys
import core
import video_thread
from main import LoadDefaultSettings
class Command(QtCore.QObject):
videoTask = QtCore.pyqtSignal(str, str, list)
def __init__(self):
QtCore.QObject.__init__(self)
self.core = core.Core()
self.dataDir = self.core.dataDir
self.canceled = False
self.parser = argparse.ArgumentParser(
description='Create a visualization for an audio file',
epilog='EXAMPLE COMMAND: main.py myvideotemplate.avp '
'-i ~/Music/song.mp3 -o ~/video.mp4 '
'-c 0 image path=~/Pictures/thisWeeksPicture.jpg '
'-c 1 video "preset=My Logo" -c 2 vis layout=classic')
self.parser.add_argument(
'-i', '--input', metavar='SOUND',
help='input audio file')
self.parser.add_argument(
'-o', '--output', metavar='OUTPUT',
help='output video file')
# optional arguments
self.parser.add_argument(
'projpath', metavar='path-to-project',
help='open a project file (.avp)', nargs='?')
self.parser.add_argument(
'-c', '--comp', metavar=('LAYER', 'ARG'),
help='first arg must be component NAME to insert at LAYER.'
'"help" for information about possible args for a component.',
nargs='*', action='append')
self.args = self.parser.parse_args()
self.settings = QSettings(
os.path.join(self.dataDir, 'settings.ini'), QSettings.IniFormat)
LoadDefaultSettings(self)
if self.args.projpath:
self.core.openProject(self, self.args.projpath)
self.core.selectedComponents = list(
reversed(self.core.selectedComponents))
self.core.componentListChanged()
if self.args.comp:
for comp in self.args.comp:
pos = comp[0]
name = comp[1]
args = comp[2:]
try:
pos = int(pos)
except ValueError:
print(pos, 'is not a layer number.')
quit(1)
realName = self.parseCompName(name)
if not realName:
print(name, 'is not a valid component name.')
quit(1)
modI = self.core.moduleIndexFor(realName)
i = self.core.insertComponent(pos, modI, self)
for arg in args:
self.core.selectedComponents[i].command(arg)
if self.args.input and self.args.output:
self.createAudioVisualisation()
elif 'help' not in sys.argv:
self.parser.print_help()
quit(1)
def createAudioVisualisation(self):
self.videoThread = QtCore.QThread(self)
self.videoWorker = video_thread.Worker(self)
self.videoWorker.moveToThread(self.videoThread)
self.videoWorker.videoCreated.connect(self.videoCreated)
self.videoThread.start()
self.videoTask.emit(
self.args.input,
self.args.output,
list(reversed(self.core.selectedComponents))
)
def videoCreated(self):
self.videoThread.quit()
self.videoThread.wait()
quit(0)
def showMessage(self, **kwargs):
print(kwargs['msg'])
if 'detail' in kwargs:
print(kwargs['detail'])
def drawPreview(self, *args):
pass
def parseCompName(self, name):
'''Deduces a proper component name out of a commandline arg'''
if name.title() in self.core.compNames:
return name.title()
for compName in self.core.compNames:
if name.capitalize() in compName:
return compName
compFileNames = [ \
os.path.splitext(os.path.basename(
mod.__file__))[0] \
for mod in self.core.modules \
]
for i, compFileName in enumerate(compFileNames):
if name.lower() in compFileName:
return self.core.compNames[i]
return
return None
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