mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 16:26:39 +00:00
100 lines
3.1 KiB
Python
Executable file
100 lines
3.1 KiB
Python
Executable file
#!/usr/bin/env python
|
|
#
|
|
# effect.py
|
|
#
|
|
# Copyright (C) 2011 Mathieu Duponchelle <seeed@laposte.net>
|
|
# Copyright (C) 2011 Luis de Bethencourt <luis.debethencourt@collabora.co.uk>
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 of the License, or (at your option) any later version.
|
|
#
|
|
# This program 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
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this program; if not, write to the
|
|
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
# Boston, MA 02111-1307, USA.
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 3, or (at your option)
|
|
# any later version.
|
|
|
|
import sys
|
|
import optparse
|
|
|
|
import glib
|
|
import gobject
|
|
gobject.threads_init()
|
|
|
|
import gst
|
|
import ges
|
|
|
|
class Effect:
|
|
def __init__(self, effects):
|
|
ges.init()
|
|
self.mainloop = glib.MainLoop()
|
|
|
|
self.timeline = ges.timeline_new_audio_video()
|
|
layer = ges.TimelineLayer()
|
|
self.src = ges.TimelineTestSource()
|
|
self.src.set_start(long(0))
|
|
|
|
self.src.set_duration(long(3000000000))
|
|
self.src.set_vpattern("smpte75")
|
|
layer.add_object(self.src)
|
|
self.timeline.add_layer(layer)
|
|
|
|
self.add_effects(effects)
|
|
|
|
self.pipeline = ges.TimelinePipeline()
|
|
self.pipeline.add_timeline(self.timeline)
|
|
bus = self.pipeline.get_bus()
|
|
bus.set_sync_handler(self.bus_handler)
|
|
|
|
def add_effects(self, effects):
|
|
for e in effects:
|
|
effect = ges.TrackParseLaunchEffect(e)
|
|
self.src.add_track_object(effect)
|
|
for track in self.timeline.get_tracks():
|
|
if track.get_caps().to_string() == \
|
|
"video/x-raw-yuv; video/x-raw-rgb":
|
|
print "setting effect: " + e
|
|
track.add_object(effect)
|
|
|
|
def bus_handler(self, unused_bus, message):
|
|
if message.type == gst.MESSAGE_ERROR:
|
|
print "ERROR"
|
|
self.mainloop.quit()
|
|
elif message.type == gst.MESSAGE_EOS:
|
|
print "Done"
|
|
self.mainloop.quit()
|
|
|
|
return gst.BUS_PASS
|
|
|
|
def run(self):
|
|
if (self.pipeline.set_state(gst.STATE_PLAYING) == \
|
|
gst.STATE_CHANGE_FAILURE):
|
|
print "Couldn't start pipeline"
|
|
|
|
self.mainloop.run()
|
|
|
|
def main(args):
|
|
usage = "usage: %s effect_name-1 .. effect_name-n\n" % args[0]
|
|
|
|
if len(args) < 2:
|
|
print usage + "using aging tv as a default instead"
|
|
args.append("agingtv")
|
|
|
|
parser = optparse.OptionParser (usage=usage)
|
|
(opts, args) = parser.parse_args ()
|
|
|
|
effect = Effect(args)
|
|
effect.run()
|
|
|
|
if __name__ == "__main__":
|
|
main(sys.argv)
|