v4l2: rely on gst_v4l2_dup() to set no_initial_format and keep_aspect

gst_v4l2_dup() will now take care of setting
v4l2capture->no_initial_format and keep_aspect instead of doing it
manually.

Fix a typo as keep_aspect was set twice on v4l2output but never on
v4l2capture.

https://bugzilla.gnome.org/show_bug.cgi?id=795028
diff --git a/sys/v4l2/gstv4l2transform.c b/sys/v4l2/gstv4l2transform.c
index 33052a8..2f01375 100644
--- a/sys/v4l2/gstv4l2transform.c
+++ b/sys/v4l2/gstv4l2transform.c
@@ -1079,8 +1079,6 @@
       GST_OBJECT (GST_BASE_TRANSFORM_SRC_PAD (self)),
       V4L2_BUF_TYPE_VIDEO_CAPTURE, klass->default_device,
       gst_v4l2_get_input, gst_v4l2_set_input, NULL);
-  self->v4l2capture->no_initial_format = TRUE;
-  self->v4l2output->keep_aspect = FALSE;
 }
 
 static void
diff --git a/sys/v4l2/gstv4l2videodec.c b/sys/v4l2/gstv4l2videodec.c
index dc06774..09369cc 100644
--- a/sys/v4l2/gstv4l2videodec.c
+++ b/sys/v4l2/gstv4l2videodec.c
@@ -956,8 +956,6 @@
       GST_OBJECT (GST_VIDEO_DECODER_SRC_PAD (self)),
       V4L2_BUF_TYPE_VIDEO_CAPTURE, klass->default_device,
       gst_v4l2_get_input, gst_v4l2_set_input, NULL);
-  self->v4l2capture->no_initial_format = TRUE;
-  self->v4l2output->keep_aspect = FALSE;
 }
 
 static void
diff --git a/sys/v4l2/gstv4l2videoenc.c b/sys/v4l2/gstv4l2videoenc.c
index d365a25..4269b28 100644
--- a/sys/v4l2/gstv4l2videoenc.c
+++ b/sys/v4l2/gstv4l2videoenc.c
@@ -1042,8 +1042,6 @@
       GST_OBJECT (GST_VIDEO_ENCODER_SRC_PAD (self)),
       V4L2_BUF_TYPE_VIDEO_CAPTURE, klass->default_device,
       gst_v4l2_get_input, gst_v4l2_set_input, NULL);
-  self->v4l2capture->no_initial_format = TRUE;
-  self->v4l2output->keep_aspect = FALSE;
 }
 
 static void
diff --git a/sys/v4l2/v4l2_calls.c b/sys/v4l2/v4l2_calls.c
index 12fc821..6303b17 100644
--- a/sys/v4l2/v4l2_calls.c
+++ b/sys/v4l2/v4l2_calls.c
@@ -695,6 +695,7 @@
       v4l2object->vcap.card, v4l2object->videodev);
 
   v4l2object->never_interlaced = other->never_interlaced;
+  v4l2object->no_initial_format = other->no_initial_format;
 
   return TRUE;