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
|
#!/usr/bin/env python
# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
# gst-python
# Copyright (C) 2002 David I. Lehn <dlehn@users.sourceforge.net>
# 2004 Johan Dahlin <johan@gnome.org>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
# Author: David I. Lehn <dlehn@users.sourceforge.net>
#
import sys
import gst
def filter(input, output):
"A GStreamer copy pipeline which can add arbitrary filters"
# create a new bin to hold the elements
bin = gst.parse_launch('filesrc name=source ! ' +
'statistics silent=false buffer-update-freq=1 ' +
'update_on_eos=true ! ' +
'filesink name=sink')
filesrc = bin.get_by_name('source')
filesrc.set_property('location', input)
filesink = bin.get_by_name('sink')
filesink.set_property('location', output)
# start playing
bin.set_state(gst.STATE_PLAYING);
try:
while bin.iterate():
pass
except KeyboardInterrupt:
pass
# stop the bin
bin.set_state(gst.STATE_NULL)
def main(args):
"A GStreamer based cp(1) with stats"
if len(args) != 3:
print 'usage: %s source dest' % (sys.argv[0])
return -1
return filter(args[1], args[2])
if __name__ == '__main__':
sys.exit(main(sys.argv))
|
