mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-22 16:26:39 +00:00
Code Issues 1 Projects Releases Wiki Activity

python: Remove some old examples

Browse source 
Remove some old examples that have been ported

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5187>
This commit is contained in:
Jan Schmidt 2023-08-15 17:40:53 +10:00 committed by GStreamer Marge Bot
parent 21bc5ebd7b
commit 9b35e0ad26
5 changed files with 0 additions and 358 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

99
subprojects/gst-python/old_examples/filesrc.py
View file

@ -1,99 +0,0 @@
#!/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., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
import sys
import gobject; gobject.threads_init()
import pygst
pygst.require('0.10')
import gst
class FileSource(gst.BaseSrc):
__gsttemplates__ = (
gst.PadTemplate("src",
gst.PAD_SRC,
gst.PAD_ALWAYS,
gst.caps_new_any()),
)
blocksize = 4096
fd = None
def __init__(self, name):
self.__gobject_init__()
self.curoffset = 0
self.set_name(name)
def set_property(self, name, value):
if name == 'location':
self.fd = open(value, 'r')
def do_create(self, offset, size):
if offset != self.curoffset:
self.fd.seek(offset, 0)
data = self.fd.read(self.blocksize)
if data:
self.curoffset += len(data)
return gst.FLOW_OK, gst.Buffer(data)
else:
return gst.FLOW_UNEXPECTED, None
gobject.type_register(FileSource)
def main(args):
if len(args) != 3:
print 'Usage: %s input output' % (args[0])
return -1
bin = gst.Pipeline('pipeline')
filesrc = FileSource('filesource')
assert filesrc
filesrc.set_property('location', args[1])
filesink = gst.element_factory_make('filesink', 'sink')
filesink.set_property('location', args[2])
bin.add(filesrc, filesink)
gst.element_link_many(filesrc, filesink)
bin.set_state(gst.STATE_PLAYING);
mainloop = gobject.MainLoop()
def bus_event(bus, message):
t = message.type
if t == gst.MESSAGE_EOS:
mainloop.quit()
elif t == gst.MESSAGE_ERROR:
err, debug = message.parse_error()
print "Error: %s" % err, debug
mainloop.quit()
return True
bin.get_bus().add_watch(bus_event)
mainloop.run()
bin.set_state(gst.STATE_NULL)
if __name__ == '__main__':
sys.exit(main(sys.argv))

54
subprojects/gst-python/old_examples/helloworld.py
View file

@ -1,54 +0,0 @@
#!/usr/bin/env python
import sys
import gobject
gobject.threads_init()
import pygst
pygst.require('0.10')
import gst
def bus_call(bus, message, loop):
t = message.type
if t == gst.MESSAGE_EOS:
sys.stout.write("End-of-stream\n")
loop.quit()
elif t == gst.MESSAGE_ERROR:
err, debug = message.parse_error()
sys.stderr.write("Error: %s: %s\n" % err, debug)
loop.quit()
return True
def main(args):
if len(args) != 2:
sys.stderr.write("usage: %s <media file or uri>\n" % args[0])
sys.exit(1)
playbin = gst.element_factory_make("playbin2", None)
if not playbin:
sys.stderr.write("'playbin2' gstreamer plugin missing\n")
sys.exit(1)
# take the commandline argument and ensure that it is a uri
if gst.uri_is_valid(args[1]):
uri = args[1]
else:
uri = gst.filename_to_uri(args[1])
playbin.set_property('uri', uri)
# create and event loop and feed gstreamer bus mesages to it
loop = gobject.MainLoop()
bus = playbin.get_bus()
bus.add_watch(bus_call, loop)
# start play back and listed to events
playbin.set_state(gst.STATE_PLAYING)
loop.run()
# cleanup
playbin.set_state(gst.STATE_NULL)
if __name__ == '__main__':
sys.exit(main(sys.argv))

68
subprojects/gst-python/old_examples/pyidentity.py
View file

@ -1,68 +0,0 @@
#!/usr/bin/env python
import pygtk
pygtk.require ("2.0")
import gobject
gobject.threads_init()
import pygst
pygst.require('0.10')
import gst
class PyIdentity(gst.Element):
_sinkpadtemplate = gst.PadTemplate ("sink",
gst.PAD_SINK,
gst.PAD_ALWAYS,
gst.caps_new_any())
_srcpadtemplate = gst.PadTemplate ("src",
gst.PAD_SRC,
gst.PAD_ALWAYS,
gst.caps_new_any())
def __init__(self):
gst.Element.__init__(self)
self.sinkpad = gst.Pad(self._sinkpadtemplate, "sink")
self.sinkpad.set_chain_function(self.chainfunc)
self.sinkpad.set_event_function(self.eventfunc)
self.sinkpad.set_getcaps_function(gst.Pad.proxy_getcaps)
self.sinkpad.set_setcaps_function(gst.Pad.proxy_setcaps)
self.add_pad (self.sinkpad)
self.srcpad = gst.Pad(self._srcpadtemplate, "src")
self.srcpad.set_event_function(self.srceventfunc)
self.srcpad.set_query_function(self.srcqueryfunc)
self.srcpad.set_getcaps_function(gst.Pad.proxy_getcaps)
self.srcpad.set_setcaps_function(gst.Pad.proxy_setcaps)
self.add_pad (self.srcpad)
def chainfunc(self, pad, buffer):
gst.log ("Passing buffer with ts %d" % (buffer.timestamp))
return self.srcpad.push (buffer)
def eventfunc(self, pad, event):
return self.srcpad.push_event (event)
def srcqueryfunc (self, pad, query):
return self.sinkpad.query (query)
def srceventfunc (self, pad, event):
return self.sinkpad.push_event (event)
gobject.type_register(PyIdentity)
pipe = gst.Pipeline()
vt = gst.element_factory_make ("videotestsrc")
i1 = PyIdentity()
color = gst.element_factory_make ("ffmpegcolorspace")
scale = gst.element_factory_make ("videoscale")
q1 = gst.element_factory_make ("queue")
i2 = PyIdentity()
sink = gst.element_factory_make ("autovideosink")
pipe.add (vt, i1, q1, i2, color, scale, sink)
gst.element_link_many (vt, i1, q1, i2, color, scale, sink)
pipe.set_state (gst.STATE_PLAYING)
gobject.MainLoop().run()

69
subprojects/gst-python/old_examples/sinkelement-registry.py
View file

@ -1,69 +0,0 @@
#!/usr/bin/env python
# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
# sinkelement.py
# (c) 2005 Edward Hervey <edward@fluendo.com>
# (c) 2007 Jan Schmidt <jan@fluendo.com>
# Licensed under LGPL
#
# Small test application to show how to write a sink element
# in 20 lines in python and place into the gstreamer registry
# so it can be autoplugged or used from parse_launch.
#
# Run this script with GST_DEBUG=python:5 to see the debug
# messages
import pygst
pygst.require('0.10')
import gst
import gobject
gobject.threads_init ()
#
# Simple Sink element created entirely in python
#
class MySink(gst.Element):
__gstdetails__ = ('CustomSink','Sink', \
'Custom test sink element', 'Edward Hervey')
_sinkpadtemplate = gst.PadTemplate ("sinkpadtemplate",
gst.PAD_SINK,
gst.PAD_ALWAYS,
gst.caps_new_any())
def __init__(self):
gst.Element.__init__(self)
gst.info('creating sinkpad')
self.sinkpad = gst.Pad(self._sinkpadtemplate, "sink")
gst.info('adding sinkpad to self')
self.add_pad(self.sinkpad)
gst.info('setting chain/event functions')
self.sinkpad.set_chain_function(self.chainfunc)
self.sinkpad.set_event_function(self.eventfunc)
def chainfunc(self, pad, buffer):
self.info("%s timestamp(buffer):%d" % (pad, buffer.timestamp))
return gst.FLOW_OK
def eventfunc(self, pad, event):
self.info("%s event:%r" % (pad, event.type))
return True
gobject.type_register(MySink)
# Register the element into this process' registry.
gst.element_register (MySink, 'mysink', gst.RANK_MARGINAL)
print "Use --gst-debug=python:3 to see output from this example"
#
# Code to test the MySink class
#
gst.info('About to create MySink')
pipeline = gst.parse_launch ("fakesrc ! mysink")
pipeline.set_state(gst.STATE_PLAYING)
gobject.MainLoop().run()

68
subprojects/gst-python/old_examples/sinkelement.py
View file

@ -1,68 +0,0 @@
#!/usr/bin/env python
# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
# sinkelement.py
# (c) 2005 Edward Hervey <edward@fluendo.com>
# Licensed under LGPL
#
# Small test application to show how to write a sink element
# in 20 lines in python
#
# Run this script with GST_DEBUG=python:5 to see the debug
# messages
import pygst
pygst.require('0.10')
import gst
import gobject
gobject.threads_init ()
#
# Simple Sink element created entirely in python
#
class MySink(gst.Element):
_sinkpadtemplate = gst.PadTemplate ("sinkpadtemplate",
gst.PAD_SINK,
gst.PAD_ALWAYS,
gst.caps_new_any())
def __init__(self):
gst.Element.__init__(self)
gst.info('creating sinkpad')
self.sinkpad = gst.Pad(self._sinkpadtemplate, "sink")
gst.info('adding sinkpad to self')
self.add_pad(self.sinkpad)
gst.info('setting chain/event functions')
self.sinkpad.set_chain_function(self.chainfunc)
self.sinkpad.set_event_function(self.eventfunc)
def chainfunc(self, pad, buffer):
self.info("%s timestamp(buffer):%d" % (pad, buffer.timestamp))
return gst.FLOW_OK
def eventfunc(self, pad, event):
self.info("%s event:%r" % (pad, event.type))
return True
gobject.type_register(MySink)
#
# Code to test the MySink class
#
src = gst.element_factory_make('fakesrc')
gst.info('About to create MySink')
sink = MySink()
pipeline = gst.Pipeline()
pipeline.add(src, sink)
src.link(sink)
pipeline.set_state(gst.STATE_PLAYING)
gobject.MainLoop().run()