441 lines
15 KiB
Python
441 lines
15 KiB
Python
import sys
|
|
import io
|
|
import os
|
|
from PyQt4 import QtCore, QtGui, uic
|
|
from os.path import expanduser
|
|
import subprocess as sp
|
|
import numpy
|
|
from PIL import Image
|
|
from shutil import rmtree
|
|
import time
|
|
from collections import OrderedDict
|
|
import json
|
|
from importlib import import_module
|
|
from PyQt4.QtGui import QDesktopServices
|
|
import string
|
|
|
|
|
|
class Core():
|
|
|
|
def __init__(self):
|
|
self.FFMPEG_BIN = self.findFfmpeg()
|
|
self.dataDir = QDesktopServices.storageLocation(
|
|
QDesktopServices.DataLocation)
|
|
self.presetDir = os.path.join(self.dataDir, 'presets')
|
|
self.wd = os.path.dirname(os.path.realpath(__file__))
|
|
self.loadEncoderOptions()
|
|
self.videoFormats = Core.appendUppercase([
|
|
'*.mp4',
|
|
'*.mov',
|
|
'*.mkv',
|
|
'*.avi',
|
|
'*.webm',
|
|
'*.flv',
|
|
])
|
|
self.audioFormats = Core.appendUppercase([
|
|
'*.mp3',
|
|
'*.wav',
|
|
'*.ogg',
|
|
'*.fla',
|
|
'*.aac',
|
|
])
|
|
self.imageFormats = Core.appendUppercase([
|
|
'*.png',
|
|
'*.jpg',
|
|
'*.tif',
|
|
'*.tiff',
|
|
'*.gif',
|
|
'*.bmp',
|
|
'*.ico',
|
|
'*.xbm',
|
|
'*.xpm',
|
|
])
|
|
|
|
self.findComponents()
|
|
self.selectedComponents = []
|
|
# copies of named presets to detect modification
|
|
self.savedPresets = {}
|
|
|
|
def findComponents(self):
|
|
def findComponents():
|
|
srcPath = os.path.join(self.wd, 'components')
|
|
if os.path.exists(srcPath):
|
|
for f in sorted(os.listdir(srcPath)):
|
|
name, ext = os.path.splitext(f)
|
|
if name.startswith("__"):
|
|
continue
|
|
elif ext == '.py':
|
|
yield name
|
|
self.modules = [
|
|
import_module('components.%s' % name)
|
|
for name in findComponents()
|
|
]
|
|
self.moduleIndexes = [i for i in range(len(self.modules))]
|
|
|
|
def componentListChanged(self):
|
|
for i, component in enumerate(self.selectedComponents):
|
|
component.compPos = i
|
|
|
|
def insertComponent(self, compPos, moduleIndex):
|
|
if compPos < 0:
|
|
compPos = len(self.selectedComponents) -1
|
|
|
|
component = self.modules[moduleIndex].Component(
|
|
moduleIndex, compPos)
|
|
self.selectedComponents.insert(
|
|
compPos,
|
|
component)
|
|
|
|
self.componentListChanged()
|
|
return compPos
|
|
|
|
def moveComponent(self, startI, endI):
|
|
comp = self.selectedComponents.pop(startI)
|
|
self.selectedComponents.insert(endI, comp)
|
|
|
|
self.componentListChanged()
|
|
return endI
|
|
|
|
def removeComponent(self, i):
|
|
self.selectedComponents.pop(i)
|
|
self.componentListChanged()
|
|
|
|
def updateComponent(self, i):
|
|
# print('updating %s' % self.selectedComponents[i])
|
|
self.selectedComponents[i].update()
|
|
|
|
def moduleIndexFor(self, compName):
|
|
compNames = [mod.Component.__doc__ for mod in self.modules]
|
|
index = compNames.index(compName)
|
|
return self.moduleIndexes[index]
|
|
|
|
def clearPreset(self, compIndex, loader=None):
|
|
'''Clears a preset from a component'''
|
|
self.selectedComponents[compIndex].currentPreset = None
|
|
if loader:
|
|
loader.updateComponentTitle(compIndex)
|
|
|
|
def openPreset(self, filepath, compIndex, presetName):
|
|
'''Applies a preset to a specific component'''
|
|
saveValueStore = self.getPreset(filepath)
|
|
if not saveValueStore:
|
|
return False
|
|
try:
|
|
self.selectedComponents[compIndex].loadPreset(
|
|
saveValueStore,
|
|
presetName
|
|
)
|
|
except KeyError as e:
|
|
print('preset missing value: %s' % e)
|
|
|
|
self.savedPresets[presetName] = dict(saveValueStore)
|
|
return True
|
|
|
|
def getPreset(self, filepath):
|
|
'''Returns the preset dict stored at this filepath'''
|
|
if not os.path.exists(filepath):
|
|
return False
|
|
with open(filepath, 'r') as f:
|
|
for line in f:
|
|
saveValueStore = Core.presetFromString(line.strip())
|
|
break
|
|
return saveValueStore
|
|
|
|
def openProject(self, loader, filepath):
|
|
'''loader is the object calling this method (mainwindow/command)
|
|
which implements an insertComponent method'''
|
|
errcode, data = self.parseAvFile(filepath)
|
|
if errcode == 0:
|
|
try:
|
|
for i, tup in enumerate(data['Components']):
|
|
name, vers, preset = tup
|
|
clearThis = False
|
|
|
|
# add loaded named presets to savedPresets dict
|
|
if 'preset' in preset and preset['preset'] != None:
|
|
nam = preset['preset']
|
|
filepath2 = os.path.join(
|
|
self.presetDir, name, str(vers), nam)
|
|
origSaveValueStore = self.getPreset(filepath2)
|
|
if origSaveValueStore:
|
|
self.savedPresets[nam] = dict(origSaveValueStore)
|
|
else:
|
|
# saved preset was renamed or deleted
|
|
clearThis = True
|
|
|
|
# insert component into the loader
|
|
loader.insertComponent(
|
|
self.moduleIndexFor(name), -1)
|
|
try:
|
|
if 'preset' in preset and preset['preset'] != None:
|
|
self.selectedComponents[-1].loadPreset(
|
|
preset
|
|
)
|
|
else:
|
|
self.selectedComponents[-1].loadPreset(
|
|
preset,
|
|
preset['preset']
|
|
)
|
|
except KeyError as e:
|
|
print('%s missing value %s' %
|
|
(self.selectedComponents[-1], e))
|
|
|
|
if clearThis:
|
|
self.clearPreset(-1, loader)
|
|
except:
|
|
errcode = 1
|
|
data = sys.exc_info()
|
|
|
|
|
|
if errcode == 1:
|
|
typ, value, _ = data
|
|
if typ.__name__ == KeyError:
|
|
# probably just an old version, still loadable
|
|
print('file missing value: %s' % value)
|
|
return
|
|
loader.createNewProject()
|
|
msg = '%s: %s' % (typ.__name__, value)
|
|
loader.showMessage(
|
|
msg="Project file '%s' is corrupted." % filepath,
|
|
showCancel=False,
|
|
icon=QtGui.QMessageBox.Warning,
|
|
detail=msg)
|
|
|
|
def parseAvFile(self, filepath):
|
|
'''Parses an avp (project) or avl (preset package) file.
|
|
Returns data usable by another method.'''
|
|
data = {}
|
|
try:
|
|
with open(filepath, 'r') as f:
|
|
def parseLine(line):
|
|
'''Decides if a given avp or avl line is a section header'''
|
|
validSections = ('Components')
|
|
line = line.strip()
|
|
newSection = ''
|
|
|
|
if line.startswith('[') and line.endswith(']') \
|
|
and line[1:-1] in validSections:
|
|
newSection = line[1:-1]
|
|
|
|
return line, newSection
|
|
|
|
section = ''
|
|
i = 0
|
|
for line in f:
|
|
line, newSection = parseLine(line)
|
|
if newSection:
|
|
section = str(newSection)
|
|
data[section] = []
|
|
continue
|
|
if line and section == 'Components':
|
|
if i == 0:
|
|
lastCompName = str(line)
|
|
i += 1
|
|
elif i == 1:
|
|
lastCompVers = str(line)
|
|
i += 1
|
|
elif i == 2:
|
|
lastCompPreset = Core.presetFromString(line)
|
|
data[section].append(
|
|
(lastCompName,
|
|
lastCompVers,
|
|
lastCompPreset)
|
|
)
|
|
i = 0
|
|
return 0, data
|
|
except:
|
|
return 1, sys.exc_info()
|
|
|
|
def importPreset(self, filepath):
|
|
errcode, data = self.parseAvFile(filepath)
|
|
returnList = []
|
|
if errcode == 0:
|
|
name, vers, preset = data['Components'][0]
|
|
presetName = preset['preset'] \
|
|
if preset['preset'] else os.path.basename(filepath)[:-4]
|
|
newPath = os.path.join(
|
|
self.presetDir,
|
|
name,
|
|
vers,
|
|
presetName
|
|
)
|
|
if os.path.exists(newPath):
|
|
return False, newPath
|
|
preset['preset'] = presetName
|
|
self.createPresetFile(
|
|
name, vers, presetName, preset
|
|
)
|
|
return True, presetName
|
|
elif errcode == 1:
|
|
# TODO: an error message
|
|
return False, ''
|
|
|
|
def exportPreset(self, exportPath, compName, vers, origName):
|
|
internalPath = os.path.join(self.presetDir, compName, str(vers), origName)
|
|
if not os.path.exists(internalPath):
|
|
return
|
|
if os.path.exists(exportPath):
|
|
os.remove(exportPath)
|
|
with open(internalPath, 'r') as f:
|
|
internalData = [line for line in f]
|
|
try:
|
|
saveValueStore = Core.presetFromString(internalData[0].strip())
|
|
self.createPresetFile(
|
|
compName, vers,
|
|
origName, saveValueStore,
|
|
exportPath
|
|
)
|
|
return True
|
|
except:
|
|
return False
|
|
|
|
def createPresetFile(
|
|
self, compName, vers, presetName, saveValueStore, filepath=''):
|
|
'''Create a preset file (.avl) at filepath using args.
|
|
Or if filepath is empty, create an internal preset using
|
|
the args for the filepath.'''
|
|
if not filepath:
|
|
dirname = os.path.join(self.presetDir, compName, str(vers))
|
|
if not os.path.exists(dirname):
|
|
os.makedirs(dirname)
|
|
filepath = os.path.join(dirname, presetName)
|
|
internal = True
|
|
else:
|
|
if not filepath.endswith('.avl'):
|
|
filepath += '.avl'
|
|
internal = False
|
|
|
|
with open(filepath, 'w') as f:
|
|
if not internal:
|
|
f.write('[Components]\n')
|
|
f.write('%s\n' % compName)
|
|
f.write('%s\n' % str(vers))
|
|
f.write(Core.presetToString(saveValueStore))
|
|
|
|
def createProjectFile(self, filepath):
|
|
'''Create a project file (.avp) using the current program state'''
|
|
try:
|
|
if not filepath.endswith(".avp"):
|
|
filepath += '.avp'
|
|
if os.path.exists(filepath):
|
|
os.remove(filepath)
|
|
with open(filepath, 'w') as f:
|
|
print('creating %s' % filepath)
|
|
f.write('[Components]\n')
|
|
for comp in self.selectedComponents:
|
|
saveValueStore = comp.savePreset()
|
|
f.write('%s\n' % str(comp))
|
|
f.write('%s\n' % str(comp.version()))
|
|
f.write('%s\n' % Core.presetToString(saveValueStore))
|
|
return True
|
|
except:
|
|
return False
|
|
|
|
def loadEncoderOptions(self):
|
|
file_path = os.path.join(self.wd, 'encoder-options.json')
|
|
with open(file_path) as json_file:
|
|
self.encoder_options = json.load(json_file)
|
|
|
|
def findFfmpeg(self):
|
|
if sys.platform == "win32":
|
|
return "ffmpeg.exe"
|
|
else:
|
|
try:
|
|
with open(os.devnull, "w") as f:
|
|
sp.check_call(['ffmpeg', '-version'], stdout=f, stderr=f)
|
|
return "ffmpeg"
|
|
except:
|
|
return "avconv"
|
|
|
|
def readAudioFile(self, filename, parent):
|
|
command = [self.FFMPEG_BIN, '-i', filename]
|
|
|
|
try:
|
|
fileInfo = sp.check_output(command, stderr=sp.STDOUT, shell=False)
|
|
except sp.CalledProcessError as ex:
|
|
fileInfo = ex.output
|
|
pass
|
|
|
|
info = fileInfo.decode("utf-8").split('\n')
|
|
for line in info:
|
|
if 'Duration' in line:
|
|
d = line.split(',')[0]
|
|
d = d.split(' ')[3]
|
|
d = d.split(':')
|
|
duration = float(d[0])*3600 + float(d[1])*60 + float(d[2])
|
|
|
|
command = [
|
|
self.FFMPEG_BIN,
|
|
'-i', filename,
|
|
'-f', 's16le',
|
|
'-acodec', 'pcm_s16le',
|
|
'-ar', '44100', # ouput will have 44100 Hz
|
|
'-ac', '1', # mono (set to '2' for stereo)
|
|
'-']
|
|
in_pipe = sp.Popen(
|
|
command, stdout=sp.PIPE, stderr=sp.DEVNULL, bufsize=10**8)
|
|
|
|
completeAudioArray = numpy.empty(0, dtype="int16")
|
|
|
|
progress = 0
|
|
lastPercent = None
|
|
while True:
|
|
if self.canceled:
|
|
break
|
|
# read 2 seconds of audio
|
|
progress = progress + 4
|
|
raw_audio = in_pipe.stdout.read(88200*4)
|
|
if len(raw_audio) == 0:
|
|
break
|
|
audio_array = numpy.fromstring(raw_audio, dtype="int16")
|
|
completeAudioArray = numpy.append(completeAudioArray, audio_array)
|
|
|
|
percent = int(100*(progress/duration))
|
|
if percent >= 100:
|
|
percent = 100
|
|
|
|
if lastPercent != percent:
|
|
string = 'Loading audio file: '+str(percent)+'%'
|
|
parent.progressBarSetText.emit(string)
|
|
parent.progressBarUpdate.emit(percent)
|
|
|
|
lastPercent = percent
|
|
|
|
in_pipe.kill()
|
|
in_pipe.wait()
|
|
|
|
# add 0s the end
|
|
completeAudioArrayCopy = numpy.zeros(
|
|
len(completeAudioArray) + 44100, dtype="int16")
|
|
completeAudioArrayCopy[:len(completeAudioArray)] = completeAudioArray
|
|
completeAudioArray = completeAudioArrayCopy
|
|
|
|
return completeAudioArray
|
|
|
|
def cancel(self):
|
|
self.canceled = True
|
|
|
|
def reset(self):
|
|
self.canceled = False
|
|
|
|
@staticmethod
|
|
def badName(name):
|
|
'''Returns whether a name contains non-alphanumeric chars'''
|
|
return any([letter in string.punctuation for letter in name])
|
|
|
|
@staticmethod
|
|
def presetToString(dictionary):
|
|
'''Alphabetizes a dict into OrderedDict & returns string repr'''
|
|
return repr(OrderedDict(sorted(dictionary.items(), key=lambda t: t[0])))
|
|
|
|
@staticmethod
|
|
def presetFromString(string):
|
|
'''Turns a string repr of OrderedDict into a regular dict'''
|
|
return dict(eval(string))
|
|
|
|
@staticmethod
|
|
def appendUppercase(lst):
|
|
for form, i in zip(lst, range(len(lst))):
|
|
lst.append(form.upper())
|
|
return lst
|