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from PIL import Image, ImageDraw
from PyQt4 import uic, QtGui, QtCore
import os, subprocess
from . import __base__
class Component(__base__.Component):
'''Video'''
def __init__(self):
super().__init__()
self.working = False
def widget(self, parent):
self.parent = parent
self.settings = parent.settings
page = uic.loadUi(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'video.ui'))
self.videoPath = ''
self.x = 0
self.y = 0
page.lineEdit_video.textChanged.connect(self.update)
page.pushButton_video.clicked.connect(self.pickVideo)
self.page = page
return page
def update(self):
self.videoPath = self.page.lineEdit_video.text()
self.parent.drawPreview()
def previewRender(self, previewWorker):
self.width = int(previewWorker.core.settings.value('outputWidth'))
self.height = int(previewWorker.core.settings.value('outputHeight'))
frames = self.getVideoFrames(True)
if not hasattr(self, 'staticFrame') or not self.working and frames:
frame = Image.new("RGBA", (self.width, self.height), (0, 0, 0, 0))
if frames:
im = Image.open(frames[0])
im = self.resize(im)
frame.paste(im)
if not self.working:
self.staticFrame = frame
return self.staticFrame
def preFrameRender(self, **kwargs):
super().preFrameRender(**kwargs)
self.width = int(self.worker.core.settings.value('outputWidth'))
self.height = int(self.worker.core.settings.value('outputHeight'))
self.frames = self.getVideoFrames()
self.working = True
def frameRender(self, moduleNo, arrayNo, frameNo):
print(frameNo)
try:
if frameNo < len(self.frames)-1:
self.staticFrame = Image.new("RGBA", (self.width, self.height), (0, 0, 0, 0))
im = Image.open(self.frames[frameNo])
im = self.resize(im)
self.staticFrame.paste(im)
except FileNotFoundError:
print("Video component encountered an error")
self.frames = []
return self.staticFrame
def loadPreset(self, pr):
self.page.lineEdit_video.setText(pr['video'])
def savePreset(self):
return {
'video' : self.videoPath,
}
def pickVideo(self):
imgDir = self.settings.value("backgroundDir", os.path.expanduser("~"))
filename = QtGui.QFileDialog.getOpenFileName(self.page,
"Choose Video", imgDir, "Video Files (*.mp4)")
if filename:
self.settings.setValue("backgroundDir", os.path.dirname(filename))
self.page.lineEdit_video.setText(filename)
self.update()
def getVideoFrames(self, preview=False):
# recreate the temporary directory so it is empty
# FIXME: don't dump all the frames at once, don't dump more than sound length
# FIXME: make cancellable, report status to user, etc etc etc
if not self.videoPath:
return
name = os.path.basename(self.videoPath).split('.', 1)[0]
if preview:
filename = 'preview%s.jpg' % name
if os.path.exists(os.path.join(self.parent.core.tempDir, filename)):
return False
else:
filename = name+'-frame%05d.jpg'
# recreate tempDir and dump needed frame(s)
self.parent.core.deleteTempDir()
os.mkdir(self.parent.core.tempDir)
if preview:
options = '-ss 10 -vframes 1'
else:
options = '' #'-vframes 99999'
subprocess.call( \
'%s -i "%s" -y %s "%s"' % ( \
self.parent.core.FFMPEG_BIN,
self.videoPath,
options,
os.path.join(self.parent.core.tempDir, filename)
),
shell=True
)
print('### Got Preview Frame From %s ###' % name if preview else '### Finished Dumping Frames From %s ###' % name)
return sorted([os.path.join(self.parent.core.tempDir, f) for f in os.listdir(self.parent.core.tempDir)])
def resize(self, im):
if im.size != (self.width, self.height):
im = im.resize((self.width, self.height), Image.ANTIALIAS)
return im
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