ability to see out own video in the same time we send it and show both outging and incoming videos inside chat control

data/gui/preferences_window.ui

@@ -2174,7 +2174,7 @@ $T will be replaced by auto-not-available timeout</property>
                         <child>
                           <object class="GtkTable" id="table8">
                             <property name="visible">True</property>
-                            <property name="n_rows">4</property>
+                            <property name="n_rows">5</property>
                             <property name="n_columns">2</property>
                             <property name="column_spacing">6</property>
                             <property name="row_spacing">6</property>
@@ -2270,6 +2270,21 @@ $T will be replaced by auto-not-available timeout</property>
                                 <property name="bottom_attach">4</property>
                               </packing>
                             </child>
+                            <child>
+                              <object class="GtkCheckButton" id="video_see_self_checkbutton">
+                                <property name="label" translatable="yes">View own video source</property>
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property name="receives_default">False</property>
+                                <property name="draw_indicator">True</property>
+                                <signal name="toggled" handler="on_video_see_self_checkbutton_toggled"/>
+                              </object>
+                              <packing>
+                                <property name="right_attach">2</property>
+                                <property name="top_attach">4</property>
+                                <property name="bottom_attach">5</property>
+                              </packing>
+                            </child>
                           </object>
                         </child>
                       </object>

src/chat_control.py

@@ -2151,10 +2151,27 @@ class ChatControl(ChatControlBase):
         if widget.get_active():
             if getattr(self, jingle_type + '_state') == \
             self.JINGLE_STATE_NULL:
-                sid = getattr(gajim.connections[self.account],
+                if jingle_type == 'video':
+                    video_hbox = self.xml.get_object('video_hbox')
+                    video_hbox.set_no_show_all(False)
+                    if gajim.config.get('video_see_self'):
+                        fixed = self.xml.get_object('outgoing_fixed')
+                        fixed.set_no_show_all(False)
+                    video_hbox.show_all()
+                    in_xid = self.xml.get_object('incoming_drawingarea').window.xid
+                    out_xid = self.xml.get_object('outgoing_drawingarea').window.xid
+                    sid = gajim.connections[self.account].start_video(
+                        self.contact.get_full_jid(), in_xid, out_xid)
+                else:
+                    sid = getattr(gajim.connections[self.account],
                         'start_' + jingle_type)(self.contact.get_full_jid())
                 getattr(self, 'set_' + jingle_type + '_state')('connecting', sid)
         else:
+            video_hbox = self.xml.get_object('video_hbox')
+            video_hbox.set_no_show_all(True)
+            video_hbox.hide()
+            fixed = self.xml.get_object('outgoing_fixed')
+            fixed.set_no_show_all(True)
             self.close_jingle_content(jingle_type)
 
         img = getattr(self, '_' + jingle_type + '_button').get_property('image')

src/common/config.py

@@ -305,6 +305,7 @@ class Config:
             'video_output_device': [opt_str, 'autovideosink'],
             'video_framerate': [opt_str, '', _('Optionally fix jingle output video framerate. Example: 10/1 or 25/2')],
             'video_size': [opt_str, '', _('Optionally resize jingle output video. Example: 320x240')],
+            'video_see_self': [opt_bool, True, _('If True, You will also see your webcam')],
             'audio_input_volume': [opt_int, 50],
             'audio_output_volume': [opt_int, 50],
             'use_stun_server': [opt_bool, False, _('If True, Gajim will try to use a STUN server when using jingle. The one in "stun_server" option, or the one given by the jabber server.')],

src/common/jingle.py

@@ -120,16 +120,18 @@ class ConnectionJingle(object):
             jingle.start_session()
         return jingle.sid
 
-    def start_video(self, jid):
+    def start_video(self, jid, in_xid, out_xid):
         if self.get_jingle_session(jid, media='video'):
             return self.get_jingle_session(jid, media='video').sid
         jingle = self.get_jingle_session(jid, media='audio')
         if jingle:
-            jingle.add_content('video', JingleVideo(jingle))
+            jingle.add_content('video', JingleVideo(jingle, in_xid=in_xid,
+                out_xid=out_xid))
         else:
             jingle = JingleSession(self, weinitiate=True, jid=jid)
             self._sessions[jingle.sid] = jingle
-            jingle.add_content('video', JingleVideo(jingle))
+            jingle.add_content('video', JingleVideo(jingle, in_xid=in_xid,
+                out_xid=out_xid))
             jingle.start_session()
         return jingle.sid
 

src/common/jingle_rtp.py

@@ -22,6 +22,7 @@ import socket
 
 import nbxmpp
 import farstream, gst
+import gst.interfaces
 from glib import GError
 
 import gajim
@@ -63,6 +64,7 @@ class JingleRTPContent(JingleContent):
         # pipeline and bus
         self.pipeline = gst.Pipeline()
         bus = self.pipeline.get_bus()
+        bus.enable_sync_message_emission()
         bus.add_signal_watch()
         bus.connect('message', self._on_gst_message)
 
@@ -366,8 +368,11 @@ class JingleAudio(JingleRTPContent):
 
 
 class JingleVideo(JingleRTPContent):
-    def __init__(self, session, transport=None):
+    def __init__(self, session, transport=None, in_xid=0, out_xid=0):
         JingleRTPContent.__init__(self, session, 'video', transport)
+        self.in_xid = in_xid
+        self.out_xid = out_xid
+        self.out_xid_set = False
         self.setup_stream()
 
     def setup_stream(self):
@@ -375,6 +380,8 @@ class JingleVideo(JingleRTPContent):
         # sometimes, one window won't show up,
         # sometimes it'll freeze...
         JingleRTPContent.setup_stream(self, self._on_src_pad_added)
+        bus = self.pipeline.get_bus()
+        bus.connect('sync-message::element', self._on_sync_message)
 
         # the local parts
         if gajim.config.get('video_framerate'):
@@ -390,17 +397,25 @@ class JingleVideo(JingleRTPContent):
             video_size = 'video/x-raw-yuv,width=%s,height=%s ! ' % (w, h)
         else:
             video_size = ''
+        if gajim.config.get('video_see_self'):
+            tee = '! tee name=t ! queue ! videoscale ! ' + \
+                'video/x-raw-yuv,width=160,height=120 ! ffmpegcolorspace ! ' + \
+                '%s t. ! queue ' % gajim.config.get(
+                'video_output_device')
+        else:
+            tee = ''
+
         self.src_bin = self.make_bin_from_config('video_input_device',
-            '%%s ! %svideoscale ! %sffmpegcolorspace' % (framerate, video_size),
+            '%%s %s! %svideoscale ! %sffmpegcolorspace' % (tee, framerate,
-            _("video input"))
+            video_size), _("video input"))
-        #caps = gst.element_factory_make('capsfilter')
+
-        #caps.set_property('caps', gst.caps_from_string('video/x-raw-yuv, width=320, height=240'))
 
         self.pipeline.add(self.src_bin)#, caps)
+        self.pipeline.set_state(gst.STATE_PLAYING)
         #src_bin.link(caps)
 
         self.sink = self.make_bin_from_config('video_output_device',
-            'videoscale ! ffmpegcolorspace ! %s force-aspect-ratio=True',
+            'videoscale ! ffmpegcolorspace ! %s',
             _("video output"))
         self.pipeline.add(self.sink)
 
@@ -410,11 +425,27 @@ class JingleVideo(JingleRTPContent):
         # The following is needed for farstream to process ICE requests:
         self.pipeline.set_state(gst.STATE_PLAYING)
 
+    def _on_sync_message(self, bus, message):
+        if message.structure is None:
+            return False
+        if message.structure.get_name() == 'prepare-xwindow-id':
+            message.src.set_property('force-aspect-ratio', True)
+            imagesink = message.src
+            if gajim.config.get('video_see_self') and not self.out_xid_set:
+                imagesink.set_xwindow_id(self.out_xid)
+                self.out_xid_set = True
+            else:
+                imagesink.set_xwindow_id(self.in_xid)
+
     def get_fallback_src(self):
         # TODO: Use avatar?
         pipeline = 'videotestsrc is-live=true ! video/x-raw-yuv,framerate=10/1 ! ffmpegcolorspace'
         return gst.parse_bin_from_description(pipeline, True)
 
+    def destroy(self):
+        JingleRTPContent.destroy(self)
+        self.pipeline.get_bus().disconnect_by_func(self._on_sync_message)
+
 def get_content(desc):
     if desc['media'] == 'audio':
         return JingleAudio

src/common/multimedia_helpers.py

@@ -102,7 +102,7 @@ class VideoOutputManager(DeviceManager):
     def detect(self):
         self.devices = {}
         # Fake video output
-        self.detect_element('fakesink', _('Fake audio output'))
+        self.detect_element('fakesink', _('Fake video output'))
         # Auto sink
         self.detect_element('xvimagesink',
             _('X Window System (X11/XShm/Xv): %s'))

src/config.py

@@ -478,6 +478,8 @@ class PreferencesWindow:
                 '800x600': '800x600', '640x480': '640x480',
                 '320x240': '320x240'}, 'video_size', key=lambda x: -1 if \
                 not x[1] else int(x[0][:3]))
+            st = gajim.config.get('video_see_self')
+            self.xml.get_object('video_see_self_checkbutton').set_active(st)
 
         else:
             for opt_name in ('audio_input', 'audio_output', 'video_input',
@@ -1131,6 +1133,9 @@ class PreferencesWindow:
     def on_video_size_combobox_changed(self, widget):
         self.on_av_combobox_changed(widget, 'video_size')
 
+    def on_video_see_self_checkbutton_toggled(self, widget):
+        self.on_checkbutton_toggled(widget, 'video_see_self')
+
     def on_stun_checkbutton_toggled(self, widget):
         self.on_checkbutton_toggled(widget, 'use_stun_server',
                 [self.xml.get_object('stun_server_entry')])

src/gajim.py

@@ -73,7 +73,7 @@ demandimport.enable()
 demandimport.ignore += ['gobject._gobject', 'libasyncns', 'i18n',
     'logging.NullHandler', 'dbus.service', 'OpenSSL.SSL', 'OpenSSL.crypto',
     'common.sleepy', 'DLFCN', 'dl', 'xml.sax', 'xml.sax.handler', 'ic',
-    'Crypto.PublicKey', 'IPython']
+    'Crypto.PublicKey', 'IPython', 'gst.interfaces']
 
 if os.name == 'nt':
     import locale