Kannst du mit dem folgenden Skript einmal versuchen ein .mp4 Video abzuspielen?:
Code: Alles auswählen
import sys
import os
from functools import partial
import tkinter as tk
import gi
gi.require_version('Gst', '1.0')
from gi.repository import Gst
# Needed for set_window_handle():
gi.require_version('GstVideo', '1.0')
from gi.repository import GstVideo
APP_TITLE = "GStreamer"
APP_XPOS = 100
APP_YPOS = 100
APP_WIDTH = 400
APP_HEIGHT = 400
class Application(object):
def __init__(self, master):
self.master = master
self.master.protocol("WM_DELETE_WINDOW", self.close)
self.main_frame = tk.Frame(master, relief='sunken', bd=6)
self.main_frame.pack(padx=10, pady=10)
self.display_frame = tk.Frame(self.main_frame, width=530, height=300,
relief='sunken', bd=2)
self.display_frame.pack()
self.button_frame = tk.Frame(master)
self.button_frame.pack(expand=True, pady=(0, 10))
tk.Button(self.button_frame, text="Start",
command=partial(self.video_control, 'start')).pack(side='left')
tk.Button(self.button_frame, text="Pause",
command=partial(self.video_control, 'pause')).pack(side='left')
tk.Button(self.button_frame, text="Stop",
command=partial(self.video_control, 'stop')).pack(side='left')
self.var_time = tk.StringVar(master, "0:00")
tk.Label(self.button_frame, textvariable=self.var_time, width=6,
bg='white').pack(side='left')
self.frame_id = self.display_frame.winfo_id()
fullname = os.path.join(os.getcwd(), "MyVideo.mp4")
self.player = Gst.ElementFactory.make('playbin', None)
self.player.set_property('uri', 'file://%s' % fullname)
self.player.set_state(Gst.State.PLAYING)
bus = self.player.get_bus()
bus.enable_sync_message_emission()
bus.connect('sync-message::element', self.set_frame_handle,
self.frame_id)
def close(self):
self.master.withdraw()
self.player.set_state(Gst.State.NULL)
self.master.destroy()
def video_control(self, action):
if action == 'start':
duration_nanosecs = self.player.query_duration(Gst.Format.TIME)[1]
duration = float(duration_nanosecs) / Gst.SECOND
print("Dauer:", duration)
elif action == 'pause':
self.player.set_state(Gst.State.PAUSED)
nanosecs = self.player.query_position(Gst.Format.TIME)[1]
position = float(nanosecs) / Gst.SECOND
print("Position:", position)
elif action == 'stop':
self.player.set_state(Gst.State.NULL)
def set_frame_handle(self, bus, message, frame_id):
if not message.get_structure() is None:
if message.get_structure().get_name() == 'prepare-window-handle':
display_frame = message.src
display_frame.set_property('force-aspect-ratio', True)
display_frame.set_window_handle(frame_id)
def main():
app_win = tk.Tk()
app_win.title(APP_TITLE)
app_win.geometry("+{}+{}".format(APP_XPOS, APP_YPOS))
#app_win.geometry("{}x{}".format(APP_WIDTH, APP_HEIGHT))
Gst.init(None)
app = Application(app_win)
app_win.mainloop()
if __name__ == '__main__':
main()Gruss wuf
