mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-30 20:20:38 +00:00
83 lines
2.4 KiB
Python
Executable file
83 lines
2.4 KiB
Python
Executable file
#!/usr/bin/env python
|
|
# -*- Mode: Python -*-
|
|
# vi:si:et:sw=4:sts=4:ts=4
|
|
|
|
# GStreamer python bindings
|
|
# Copyright (C) 2002 David I. Lehn <dlehn@users.sourceforge.net>
|
|
# 2004 Johan Dahlin <johan@gnome.org>
|
|
#
|
|
# filesrc.py: implements a file source element completely in python
|
|
#
|
|
# 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.
|
|
|
|
import sys
|
|
import gobject
|
|
import gst
|
|
|
|
class FileSource(gst.Element):
|
|
blocksize = 4096
|
|
fd = None
|
|
def __init__(self, name):
|
|
self.__gobject_init__()
|
|
self.set_name(name)
|
|
self.srcpad = gst.Pad('src', gst.PAD_SRC)
|
|
self.srcpad.set_get_function(self.srcpad_get)
|
|
self.add_pad(self.srcpad)
|
|
|
|
def set_property(self, name, value):
|
|
if name == 'location':
|
|
self.fd = open(value, 'r')
|
|
|
|
def srcpad_get(self, pad):
|
|
data = self.fd.read(self.blocksize)
|
|
if data:
|
|
return gst.Buffer(data)
|
|
else:
|
|
self.set_eos()
|
|
return gst.Event(gst.EVENT_EOS)
|
|
gobject.type_register(FileSource)
|
|
|
|
def main(args):
|
|
print 'This example is not finished yet.'
|
|
return
|
|
|
|
if len(args) != 3:
|
|
print 'Usage: %s input output' % (args[0])
|
|
return -1
|
|
|
|
bin = gst.Pipeline('pipeline')
|
|
|
|
filesrc = FileSource('filesource')
|
|
#filesrc = gst.Element('filesrc', 'src')
|
|
assert filesrc
|
|
filesrc.set_property('location', args[1])
|
|
|
|
filesink = gst.element_factory_make('filesink', 'sink')
|
|
filesink.set_property('location', args[2])
|
|
|
|
bin.add_many(filesrc, filesink)
|
|
gst.element_link_many(filesrc, filesink)
|
|
|
|
bin.set_state(gst.STATE_PLAYING);
|
|
|
|
while bin.iterate():
|
|
pass
|
|
|
|
bin.set_state(gst.STATE_NULL)
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main(sys.argv))
|
|
|