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author | Thiago Santos <thiago.sousa.santos@collabora.co.uk> | 2010-05-30 12:36:08 -0300 |
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committer | Thiago Santos <thiago.sousa.santos@collabora.co.uk> | 2010-06-04 15:31:19 -0300 |
commit | 8c5360a55968c829b4e267e933fa3ba15ab5f290 (patch) | |
tree | 7afc4bb03a804610839c1548831b85b66e0a4ee1 /gst/geometrictransform/gstgeometrictransform.c | |
parent | 6560248be99817de88ee4a40987793c1dbbfddb3 (diff) | |
download | gstreamer-plugins-bad-8c5360a55968c829b4e267e933fa3ba15ab5f290.tar.gz |
geometrictransform: Adds prepare function and cleanup
Adds a prepare function to make subclasses precalculate values
that will be used throughout the mapping functions.
Also adds a missing cleanup to fix a memleak
Diffstat (limited to 'gst/geometrictransform/gstgeometrictransform.c')
-rw-r--r-- | gst/geometrictransform/gstgeometrictransform.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gst/geometrictransform/gstgeometrictransform.c b/gst/geometrictransform/gstgeometrictransform.c index 3d5b0d33d..13d3d0483 100644 --- a/gst/geometrictransform/gstgeometrictransform.c +++ b/gst/geometrictransform/gstgeometrictransform.c @@ -61,6 +61,10 @@ gst_geometric_transform_generate_map (GstGeometricTransform * gt) /* subclass must have defined the map_func */ g_return_val_if_fail (klass->map_func, FALSE); + if (klass->prepare_func) + if (!klass->prepare_func (gt)) + return FALSE; + /* * (x,y) pairs of the inverse mapping */ @@ -143,7 +147,6 @@ gst_geometric_transform_transform (GstBaseTransform * trans, GstBuffer * buf, gt = GST_GEOMETRIC_TRANSFORM (trans); - /* subclass must have defined the map_func */ g_return_val_if_fail (gt->map, GST_FLOW_ERROR); ptr = gt->map; @@ -157,6 +160,16 @@ gst_geometric_transform_transform (GstBaseTransform * trans, GstBuffer * buf, return ret; } +static gboolean +gst_geometric_transform_stop (GstBaseTransform * trans) +{ + GstGeometricTransform *gt = GST_GEOMETRIC_TRANSFORM (trans); + + g_free (gt->map); + + return TRUE; +} + static void gst_geometric_transform_base_init (gpointer g_class) { @@ -177,6 +190,7 @@ gst_geometric_transform_class_init (gpointer klass, gpointer class_data) parent_class = g_type_class_peek_parent (klass); + trans_class->stop = GST_DEBUG_FUNCPTR (gst_geometric_transform_stop); trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_geometric_transform_set_caps); trans_class->transform = GST_DEBUG_FUNCPTR (gst_geometric_transform_transform); |