1 files changed, 116 insertions, 0 deletions
diff --git a/gplay.py b/gplay.py
new file mode 100644
index 0000000..83e5340
--- /dev/null
+++ b/gplay.py
@@ -0,0 +1,116 @@
+#Copyright (c) 2008, Media Modifications Ltd.
+
+#Permission is hereby granted, free of charge, to any person obtaining a copy
+#of this software and associated documentation files (the "Software"), to deal
+#in the Software without restriction, including without limitation the rights
+#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#copies of the Software, and to permit persons to whom the Software is
+#furnished to do so, subject to the following conditions:
+
+	#The above copyright notice and this permission notice shall be included in
+#all copies or substantial portions of the Software.
+
+#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+#THE SOFTWARE.
+
+import gobject
+gobject.threads_init()
+import pygst
+pygst.require('0.10')
+import gst
+
+import logging
+logger = logging.getLogger('record:gplay.py')
+
+class Gplay(gobject.GObject):
+    __gsignals__ = {
+        'playback-status-changed': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_INT, gobject.TYPE_FLOAT)),
+    }
+
+    def __init__(self, activity_obj):
+        super(Gplay, self).__init__()
+        self.activity = activity_obj
+        self._playback_monitor_handler = None
+        self._player = gst.element_factory_make('playbin')
+
+        bus = self._player.get_bus()
+        bus.add_signal_watch()
+        bus.connect('message::error', self._bus_error)
+        bus.connect('message::eos', self._bus_eos)
+
+    def _bus_error(self, bus, message):
+        err, debug = message.parse_error()
+        logger.error('bus error=%s debug=%s' % (err, debug))
+
+    def _bus_eos(self, bus, message):
+        self.stop()
+
+    def set_location(self, location):
+        if self._player.get_property('uri') == location:
+            self.seek(0)
+            return
+
+        self._player.set_state(gst.STATE_READY)
+        self._player.set_property('uri', location)
+
+    def seek(self, position):
+        if position == 0:
+            location = 0
+        else:
+            duration = self._player.query_duration(gst.FORMAT_TIME, None)[0]
+            location = duration * (position / 100)
+
+        event = gst.event_new_seek(1.0, gst.FORMAT_TIME, gst.SEEK_FLAG_FLUSH | gst.SEEK_FLAG_ACCURATE, gst.SEEK_TYPE_SET, location, gst.SEEK_TYPE_NONE, 0)
+        res = self._player.send_event(event)
+        if res:
+            self._player.set_new_stream_time(0L)
+
+    def pause(self):
+        self._player.set_state(gst.STATE_PAUSED)
+
+    def play(self):
+        if self.get_state() == gst.STATE_PLAYING:
+            return
+
+        if not self._player.props.video_sink:
+            sink = gst.element_factory_make('xvimagesink')
+            sink.props.force_aspect_ratio = True
+            self._player.props.video_sink = sink
+
+        self.activity.set_gplay_sink(self._player.props.video_sink)
+        self._player.set_state(gst.STATE_PLAYING)
+        self._emit_playback_status(0)
+
+        self._playback_monitor_handler = gobject.timeout_add(500, self._playback_monitor)
+
+    def _playback_monitor(self):
+        try:
+            position = self._player.query_position(gst.FORMAT_TIME)[0]
+            duration = self._player.query_duration(gst.FORMAT_TIME)[0]
+        except gst.QueryError:
+            return True
+
+        value = (float(position) / float(duration)) * 100.0
+        self._emit_playback_status(value)
+        return True
+
+    def _emit_playback_status(self, position):
+        state = self._player.get_state()[1]
+        self.emit('playback-status-changed', state, position)
+
+    def get_state(self):
+        return self._player.get_state()[1]
+
+    def stop(self):
+        if self._playback_monitor_handler:
+            gobject.source_remove(self._playback_monitor_handler)
+            self._playback_monitor_handler = None
+
+        self._player.set_state(gst.STATE_NULL)
+        self._emit_playback_status(0)
+