qtpy: add support for qtpy.QtMultimedia

Add a wrapper around QtMultimedia to provide access to QAudio, QSound
and friends.

Closes spyder-ide#49
Signed-off-by: David Aguilar <davvid@gmail.com>

qtpy/QtMultimedia.py

@@ -0,0 +1,13 @@
+from qtpy import PYQT5
+from qtpy import PYQT4
+from qtpy import PYSIDE
+
+
+if PYQT5:
+    from PyQt5.QtMultimedia import *
+elif PYQT4:
+    from PyQt4.QtMultimedia import *
+    from PyQt4.QtGui import QSound
+elif PYSIDE:
+    from PySide.QtMultimedia import *
+    from PySide.QtGui import QSound

qtpy/tests/test_qtmultimedia.py

@@ -0,0 +1,11 @@
+from __future__ import absolute_import
+
+from qtpy import QtMultimedia
+
+
+def test_qtmultimedia():
+    assert QtMultimedia.QAbstractVideoBuffer is not None
+    assert QtMultimedia.QAudio is not None
+    assert QtMultimedia.QAudioDeviceInfo is not None
+    assert QtMultimedia.QAudioInput is not None
+    assert QtMultimedia.QSound is not None