Use gst to play sound events

2 files changed, 42 insertions, 2 deletions

diff --git a/aplay.py b/aplay.py
new file mode 100644
index 0000000..596d880
--- /dev/null
+++ b/aplay.py
@@ -0,0 +1,39 @@
+# 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 2 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+import gst
+
+import logging
+logger = logging.getLogger('record:aplay.py')
+
+def play(file):
+    player.set_state(gst.STATE_NULL)
+    player.props.uri = 'file://' + file
+    player.set_state(gst.STATE_PLAYING)
+
+def _gstmessage_cb(bus, message):
+    if message.type == gst.MESSAGE_EOS:
+        player.set_state(gst.STATE_NULL)
+    elif message.type == gst.MESSAGE_ERROR:
+        err, debug = message.parse_error()
+        logger.error('play_pipe: %s %s' % (err, debug))
+        player.set_state(gst.STATE_NULL)
+
+player = gst.element_factory_make('playbin')
+fakesink = gst.element_factory_make('fakesink')
+player.set_property("video-sink", fakesink)
+
+bus = player.get_bus()
+bus.add_signal_watch()
+bus.connect('message', _gstmessage_cb)
diff --git a/ui.py b/ui.py
index 2a92b49..63bc97b 100644
--- a/ui.py
+++ b/ui.py
@@ -59,6 +59,7 @@ from button import RecdButton
 import utils
 import record
 import camerac
+import aplay
 from tray import HTray
 from toolbarcombobox import ToolComboBox
 
@@ -1289,12 +1290,12 @@ class UI:
 
     def clickShutter( self ):
         if (not self.ca.m.RECORDING):
-            os.system( "aplay -t wav " + str(Constants.soundClick) )
+            aplay.play(Constants.soundClick)
 
         wasRec = self.ca.m.RECORDING
         self.ca.m.doShutter()
         if (wasRec):
-            os.system( "aplay -t wav " + str(Constants.soundClick) )
+            aplay.play(Constants.soundClick)
 
 
     def updateVideoComponents( self ):