# GStreamer # # Copyright (C) 2013 Thibault Saunier <tsaunier@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., 51 Franklin Street, Suite 500, # Boston, MA 02110-1335, USA. import os from gi.repository import Gst, GES, GLib class Simple: def __init__(self, uri): timeline = GES.Timeline.new_audio_video() self.project = timeline.get_asset() self.project.connect("asset-added", self._asset_added_cb) self.project.connect("error-loading-asset", self._error_loading_asset_cb) self.project.create_asset(uri, GES.UriClip) self.layer = timeline.append_layer() self._create_pipeline(timeline) self.loop = GLib.MainLoop() def _create_pipeline(self, timeline): self.pipeline = GES.Pipeline() self.pipeline.set_timeline(timeline) bus = self.pipeline.get_bus() bus.add_signal_watch() bus.connect("message", self.bus_message_cb) def bus_message_cb(self, unused_bus, message): if message.type == Gst.MessageType.EOS: print "eos" self.loop.quit() elif message.type == Gst.MessageType.ERROR: error = message.parse_error() print "error %s" % error[1] self.loop.quit() def start(self): self.loop.run() def _asset_added_cb(self, project, asset): self.layer.add_asset(asset, 0, 0, Gst.SECOND * 5, GES.TrackType.UNKNOWN) self.pipeline.set_state(Gst.State.PLAYING) def _error_loading_asset_cb(self, project, error, asset_id, type): print "Could not load asset %s: %s" % (asset_id, error) self.loop.quit() if __name__ == "__main__": if len(os.sys.argv) != 2: print "You must specify a file URI" exit(-1) Gst.init(None) GES.init() simple = Simple(os.sys.argv[1]) simple.start()