[英]Python3 error with Gstreamer
我跑:
raspivid -t 999999 -w 1080 -h 720 -fps 25 -hf -b 2000000 -o - | \gst-launch-1.0 -v fdsrc ! h264parse ! rtph264pay config-interval=1 pt=96 \! gdppay ! tcpserversink host=serverIp port=5000
在Raspberry Pi上运行:
gst-launch-1.0 -v tcpclientsrc host=serverIp port=5000 \! gdpdepay ! rtph264depay ! avdec_h264 ! videoconvert ! autovideosink sync=false
在我的电脑上。 我收到了Raspberry播放的视频 现在我想在计算机上编写一个python代码,我的代码是:
#!/usr/bin/python3
from os import path
import gi
gi.require_version('Gst', '1.0')
from gi.repository import GObject, Gst, Gtk
# Needed for window.get_xid(), xvimagesink.set_window_handle(), respectively:
from gi.repository import GdkX11, GstVideo
GObject.threads_init()
Gst.init(None)
class Player(object):
def __init__(self):
self.pipeline = Gst.Pipeline()
self.tcpsrc = Gst.ElementFactory.make('tcpclientsrc','tcpsrc')
self.tcpsrc.set_property("host",'192.168.1.12')
self.tcpsrc.set_property("port",5000)
self.gdepay = Gst.ElementFactory.make('gdpdepay', 'gdepay')
self.rdepay = Gst.ElementFactory.make('rtph264depay', 'rdepay')
self.avdec = Gst.ElementFactory.make('avdec_h264', 'avdec')
self.vidconvert = Gst.ElementFactory.make('videoconvert', 'vidconvert')
self.asink = Gst.ElementFactory.make('appsink', 'asink')
self.asink.set_property('sync', False)
#self.asink.set_property('emit-signals', True)
#self.set_property('drop', True)
self.pipeline.add(self.tcpsrc)
self.pipeline.add(self.gdepay)
self.pipeline.add(self.rdepay)
self.pipeline.add(self.avdec)
self.pipeline.add(self.vidconvert)
self.pipeline.add(self.asink)
self.tcpsrc.link(self.gdepay)
self.gdepay.link(self.rdepay)
self.rdepay.link(self.avdec)
self.avdec.link(self.vidconvert)
self.vidconvert.link(self.asink)
def run(self):
self.pipeline.set_state(Gst.State.PLAYING)
p = Player()
p.run()
但我收到以下错误:
(DO.py:3618):GStreamer-警告**:gstpad.c:4555:store_sticky_event:粘性事件排序不正确,在'caps'之前有'segment'
(DO.py:3618):GStreamer-警告**:gstpad.c:4555:store_sticky_event:粘性事件排序不正确,在'caps'之前有'segment'
最好的问候,莫斯塔法
我回答了我的问题:我替换了这段代码:
#!/usr/bin/python3
from os import path
import gi
gi.require_version('Gst', '1.0')
from gi.repository import GObject, Gst, Gtk
# Needed for window.get_xid(), xvimagesink.set_window_handle(), respectively:
from gi.repository import GdkX11, GstVideo
GObject.threads_init()
Gst.init(None)
class Player(object):
def __init__(self):
self.pipeline = Gst.Pipeline()
self.tcpsrc = Gst.ElementFactory.make('tcpclientsrc','tcpsrc')
self.tcpsrc.set_property("host", '192.168.1.13')
self.tcpsrc.set_property("port", 5000)
self.gdepay = Gst.ElementFactory.make('gdpdepay', 'gdepay')
self.rdepay = Gst.ElementFactory.make('rtph264depay', 'rdepay')
self.avdec = Gst.ElementFactory.make('avdec_h264', 'avdec')
self.vidconvert = Gst.ElementFactory.make('videoconvert', 'vidconvert')
self.asink = Gst.ElementFactory.make('autovideosink', 'asink')
self.asink.set_property('sync', False)
#self.asink.set_property('emit-signals', True)
#self.set_property('drop', True)
self.pipeline.add(self.tcpsrc)
self.pipeline.add(self.gdepay)
self.pipeline.add(self.rdepay)
self.pipeline.add(self.avdec)
self.pipeline.add(self.vidconvert)
self.pipeline.add(self.asink)
self.tcpsrc.link(self.gdepay)
self.gdepay.link(self.rdepay)
self.rdepay.link(self.avdec)
self.avdec.link(self.vidconvert)
self.vidconvert.link(self.asink)
def run(self):
self.pipeline.set_state(Gst.State.PLAYING)
Gtk.main()
p = Player()
p.run()
首先,我忘记将Gtk.main()
添加到run
函数中。 第二我将self.asink = Gst.ElementFactory.make('appsink', 'asink')
更改为self.asink = Gst.ElementFactory.make('autovideosink', 'asink')
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