Created
June 17, 2019 10:25
Pipe video from DVR to GStreamer
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#!/usr/bin/env python3 | |
from gi import require_version | |
require_version('Gst', '1.0') | |
require_version('Gtk', '3.0') | |
from gi.repository import GObject, Gst, Gtk | |
from os.path import abspath | |
from sys import argv, stderr | |
from threading import Thread | |
Gst.init(None) | |
def player(): | |
pipeline = Gst.Pipeline.new('player') | |
source = Gst.ElementFactory.make('appsrc', 'source') | |
source.props.caps = Gst.Caps.from_string('video/x-h264') | |
pipeline.add(source) | |
parser = Gst.ElementFactory.make('h264parse', 'parser') | |
parser.props.config_interval = -1 | |
pipeline.add(parser) | |
decoder = Gst.ElementFactory.make('avdec_h264', 'decoder') | |
pipeline.add(decoder) | |
convert = Gst.ElementFactory.make('videoconvert', 'convert') | |
pipeline.add(convert) | |
sink = Gst.ElementFactory.make('gtksink', 'sink') | |
pipeline.add(sink) | |
source.link(parser) | |
parser.link(decoder) | |
decoder.link(convert) | |
convert.link(sink) | |
return pipeline | |
pipeline = player() | |
source = pipeline.get_by_name('source') | |
sink = pipeline.get_by_name('sink') | |
def stream(): | |
from dvrip import DVRIP_PORT | |
from dvrip.io import DVRIPClient | |
from dvrip.monitor import Stream | |
from socket import AF_INET, SOCK_STREAM, socket as Socket | |
conn = DVRIPClient(Socket(AF_INET, SOCK_STREAM)) | |
conn.connect((argv[1], DVRIP_PORT), 'admin', '') | |
sock = Socket(AF_INET, SOCK_STREAM) | |
sock.connect((argv[1], DVRIP_PORT)) | |
file = conn.monitor(sock, 0, Stream.HD) | |
while True: | |
conn.keepalive() | |
data = file.read(256) | |
source.emit('push-buffer', Gst.Buffer.new_wrapped(data)) | |
#sample = sink.props.last_sample | |
#if sample is not None: | |
# struct = sample.get_caps().get_structure(0) | |
# print(struct.get_int('width'), struct.get_int('height')) | |
streamer = Thread(None, stream, daemon=True) | |
window = Gtk.Window(type=Gtk.WindowType.TOPLEVEL) | |
window.set_default_size(400, 300) | |
window.connect('destroy', Gtk.main_quit, 'WM destroy') | |
header = Gtk.HeaderBar() | |
header.set_title('monitor:0;hd') | |
header.set_subtitle(argv[1]) | |
header.set_show_close_button(True) | |
window.set_titlebar(header) | |
window.add(sink.props.widget) | |
window.show_all() | |
pipeline.set_state(Gst.State.PLAYING) | |
streamer.start() | |
Gtk.main() |
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