Use all frames. Improve docs

bob/pad/face/database/database.py

 from bob.pad.base.database import PadFile
-from bob.bio.video.database import VideoBioFile
+import bob.bio.video
 
 
-class VideoPadFile(VideoBioFile, PadFile):
+class VideoPadFile(PadFile):
     """A simple base class that defines basic properties of File object for the
-    use in PAD experiments
+    use in face PAD experiments.
     """
 
     def __init__(self, attack_type, client_id, path, file_id=None):
-        VideoBioFile.__init__(
-            self,
-            client_id=client_id,
-            path=path,
-            file_id=file_id,
-        )
-        PadFile.__init__(
-            self,
+        super(VideoPadFile, self).__init__(
             attack_type=attack_type,
             client_id=client_id,
             path=path,
             file_id=file_id,
         )
+
+    def load(self, directory=None, extension='.avi',
+             frame_selector=bob.bio.video.FrameSelector(selection_style='all')):
+        """Loads the video file and returns in a :any:`bob.bio.video.FrameContainer`.
+
+        Parameters
+        ----------
+        directory : :obj:`str`, optional
+            The directory to load the data from.
+        extension : :obj:`str`, optional
+            The extension of the file to load.
+        frame_selector : :any:`bob.bio.video.FrameSelector`, optional
+            Which frames to select.
+
+        Returns
+        -------
+        :any:`bob.bio.video.FrameContainer`
+            The loaded frames inside a frame container.
+        """
+        return frame_selector(self.make_path(directory, extension))

bob/pad/face/database/mifs.py

@@ -41,6 +41,9 @@ class MIFSPadFile(VideoPadFile):
             Extension of the video files in the MIFS database.
             Default: None
 
+        ``frame_selector`` : ``FrameSelector``
+            The frame selector to use.
+
         **Returns:**
 
         ``video_data`` : FrameContainer

bob/pad/face/database/msu_mfsd.py

@@ -66,6 +66,9 @@ class MsuMfsdPadFile(VideoPadFile):
             Note: ``extension`` value is not used in the code of this method.
             Default: None
 
+        ``frame_selector`` : ``FrameSelector``
+            The frame selector to use.
+
         **Returns:**
 
         ``video_data`` : FrameContainer

bob/pad/face/database/replay.py

@@ -48,32 +48,9 @@ class ReplayPadFile(VideoPadFile):
             attack_type=attack_type,
             file_id=f.id)
 
-    #==========================================================================
-    def load(self, directory=None, extension='.mov', frame_selector=FrameSelector(selection_style='all')):
-        """
-        Overridden version of the load method defined in the ``VideoPadFile``.
-
-        **Parameters:**
-
-        ``directory`` : :py:class:`str`
-            String containing the path to the Replay database.
-
-        ``extension`` : :py:class:`str`
-            Extension of the video files in the Replay database.
-
-        **Returns:**
-
-        ``video_data`` : FrameContainer
-            Video data stored in the FrameContainer, see ``bob.bio.video.utils.FrameContainer``
-            for further details.
-        """
-
-        path = self.f.make_path(
-            directory=directory, extension=extension)  # path to the video file
-
-        video_data = frame_selector(path)  # video data
-
-        return video_data  # video data
+    def make_path(self, directory=None, extension='.mov'):
+        # path to the video file
+        return self.f.make_path(directory=directory, extension=extension)
 
 
 #==============================================================================

bob/pad/face/database/replay_mobile.py

@@ -59,6 +59,9 @@ class ReplayMobilePadFile(VideoPadFile):
         ``extension`` : :py:class:`str`
             Extension of the video files in the Replay-Mobile database.
 
+        ``frame_selector`` : ``FrameSelector``
+            The frame selector to use.
+
         **Returns:**
 
         ``video_data`` : FrameContainer