1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
from PIL import Image, ImageDraw
from PyQt4 import uic, QtGui, QtCore
import os, subprocess
from . import __base__
class Component(__base__.Component):
'''Video'''
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 frames:
im = Image.open(frames[0])
im = self.resize(im)
return im
else:
return Image.new("RGBA", (self.width, self.height), (0, 0, 0, 0))
def preFrameRender(self, **kwargs):
super().__init__(**kwargs)
self.width = int(self.worker.core.settings.value('outputWidth'))
self.height = int(self.worker.core.settings.value('outputHeight'))
self.frames = self.getVideoFrames()
def frameRender(self, moduleNo, frameNo):
i = frameNo if frameNo < len(self.frames)-1 else len(self.frames)-1
im = Image.open(self.frames[i])
im = self.resize(im)
return im
def loadPreset(self, pr):
self.page.lineEdit_video.setText(pr['video'])
def savePreset(self):
return {
'video' : self.videoPath,
}
def cancel(self):
self.canceled = True
def reset(self):
self.canceled = False
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, firstOnly=False):
# recreate the temporary directory so it is empty
# FIXME: don't dump too many frames at once
if not self.videoPath:
return
self.parent.core.deleteTempDir()
os.mkdir(self.parent.core.tempDir)
if firstOnly:
filename = 'preview%s.jpg' % os.path.basename(self.videoPath).split('.', 1)[0]
options = '-ss 10 -vframes 1'
else:
filename = '$frame%05d.jpg'
options = ''
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
)
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
|
