def readFile(self, filename):
self.seq = YUV_sequence()
[width, height, fps, depth] = self.seq.get_seq_params(filename)
print([width, height, fps, depth])
self.NumFrame = self.seq.open_file(filename, width, height, fps, depth)
self.parent.geometry("{0}x{1}".format(width, height))
self.showImage(0)
class MainDiag(Frame):
def __init__(self, parent):
Frame.__init__(self, parent, width=832, height=480)
self.parent = parent
self.initUI()
self.data = 0
self.chn = 'A'
self.play = False
self.onOpen()
def initUI(self):
self.parent.title("YUV Player")
self.pack(fill=BOTH, expand=1)
menubar = Menu(self.parent)
self.parent.config(menu=menubar)
filemenu = Menu(menubar)
filemenu.add_command(label="Open", command=self.onOpen)
menubar.add_cascade(label="File", menu=filemenu)
self.bind("<Configure>", self.on_resize)
self.parent.bind("<Left>", self.prev1)
self.parent.bind("<Right>", self.next1)
self.parent.bind("<Shift-Left>", self.prev_sec)
self.parent.bind("<Shift-Right>", self.next_sec)
self.parent.bind("n", self.next_chn)
self.parent.bind("<space>", self.play_pause)
def onOpen(self):
ftypes = [('YUV files', '*.yuv'), ('All files', '*')]
fl = filedialog.askopenfilename(filetypes=ftypes)
if fl != '':
self.readFile(fl)
def readFile(self, filename):
self.seq = YUV_sequence()
[width, height, fps, depth] = self.seq.get_seq_params(filename)
print([width, height, fps, depth])
self.NumFrame = self.seq.open_file(filename, width, height, fps, depth)
self.parent.geometry("{0}x{1}".format(width, height))
self.showImage(0)
def prev_sec(self, event):
self.showImage((self.nf - self.seq.fps) % self.NumFrame)
def next_sec(self, event):
self.showImage((self.nf + self.seq.fps) % self.NumFrame)
def prev1(self, event):
self.showImage((self.nf - 1) % self.NumFrame)
def next1(self, event=0):
self.showImage((self.nf + 1) % self.NumFrame)
def next_chn(self, event):
chn = {'A': 'Y', 'Y': 'U', 'U': 'V', 'V': 'A'}
self.chn = chn[self.chn]
self.showImage(self.nf)
def play_pause(self, event):
self.play = not self.play
if self.play:
self.parent.title("YUV Player <PLAY>")
else:
self.parent.title("YUV Player <PAUSE>")
self.showImage()
def showImage(self, FrameNum=-1):
import time
se = time.time()
if FrameNum >= 0:
self.nf = FrameNum
self.data = self.seq.getFrame(FrameNum)
elif not self.data:
return
load = Image.fromarray(
self.data.GetImg(self.chn, self.winfo_width(),
self.winfo_height()))
render = ImageTk.PhotoImage(load)
# labels can be text or images
img = Label(self, image=render)
img.image = render
img.place(x=0, y=0)
if self.play:
cur = time.time()
rem = round((1. / self.seq.fps - (cur - se)) * 1000)
if rem < 0:
print("delayed ", rem)
self.next1()
else:
self.after(rem, self.next1)
def on_resize(self, event):
self.showImage(-1)
