[Convert] Added skeletons for GstBaseTransform class

Added null impementation of virtual methods of GstBaseTransform

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

diff --git a/convert2tensor/convert2tensor.c b/convert2tensor/convert2tensor.c
index 1246949..187abed 100644 (file)
--- a/convert2tensor/convert2tensor.c
+++ b/convert2tensor/convert2tensor.c
@@ -125,6 +125,29 @@ static void gst_convert2tensor_set_property (GObject * object, guint prop_id,
 static void gst_convert2tensor_get_property (GObject * object, guint prop_id,
     GValue * value, GParamSpec * pspec);
 
+/* GstBaseTransformer vmethod implementations */
+static GstFlowReturn gst_convert2tensor_transform(GstBaseTransform *trans,
+                                                  GstBuffer *inbuf,
+                                                  GstBuffer *outbuf);
+static GstFlowReturn gst_convert2tensor_transform_ip(GstBaseTransform *trans,
+                                                     GstBuffer *buf);
+static GstCaps* gst_convert2tensor_transform_caps(GstBaseTransform *trans,
+                                                  GstPadDirection direction,
+                                                 GstCaps *caps,
+                                                 GstCaps *filter);
+static GstCaps* gst_convert2tensor_fixate_caps(GstBaseTransform *trans,
+                                               GstPadDirection direction,
+                                              GstCaps *caps,
+                                              GstCaps *othercaps);
+static gboolean gst_convert2tensor_set_caps(GstBaseTransform *trans,
+                                            GstCaps *incaps,
+                                           GstCaps *outcaps);
+static gboolean gst_convert2tensor_transform_size(GstBaseTransform *trans,
+                                                  GstPadDirection direction,
+                                                 GstCaps *caps, gsize size,
+                                                 GstCaps *othercpas, gsize *othersize);
+static gboolean gst_convert2tensor_get_unit_size(GstBaseTransform *trans,
+                                                 GstCaps *caps, gsize *size);
 /* GObject vmethod implementations */
 
 /* initialize the convert2tensor's class */
@@ -162,6 +185,18 @@ gst_convert2tensor_class_init (GstConvert2TensorClass * g_class)
   /* Refer: https://gstreamer.freedesktop.org/documentation/design/element-transform.html */
   trans_class->passthrough_on_same_caps = FALSE;
 
+  /* Processing units */
+  trans_class->transform = GST_DEBUG_FUNCPTR(gst_convert2tensor_transform);
+  trans_class->transform_ip = GST_DEBUG_FUNCPTR(gst_convert2tensor_transform_ip);
+
+  /* Negotiation units */
+  trans_class->transform_caps = GST_DEBUG_FUNCPTR(gst_convert2tensor_transform_caps);
+  trans_class->fixate_caps = GST_DEBUG_FUNCPTR(gst_convert2tensor_fixate_caps);
+  trans_class->set_caps = GST_DEBUG_FUNCPTR(gst_convert2tensor_set_caps);
+
+  /* Allocation units */
+  trans_class->transform_size = GST_DEBUG_FUNCPTR(gst_convert2tensor_transform_size);
+  trans_class->get_unit_size = GST_DEBUG_FUNCPTR(gst_convert2tensor_get_unit_size);
 }
 
 /* initialize the new element
@@ -310,3 +345,47 @@ GST_PLUGIN_DEFINE (
     "GStreamer",
     "http://gstreamer.net/"
 )
+
+
+static GstFlowReturn gst_convert2tensor_transform(GstBaseTransform *trans,
+                                                  GstBuffer *inbuf,
+                                                  GstBuffer *outbuf)
+{
+}
+
+static GstFlowReturn gst_convert2tensor_transform_ip(GstBaseTransform *trans,
+                                                     GstBuffer *buf)
+{
+}
+
+static GstCaps* gst_convert2tensor_transform_caps(GstBaseTransform *trans,
+                                                  GstPadDirection direction,
+                                                 GstCaps *caps,
+                                                 GstCaps *filter)
+{
+}
+
+static GstCaps* gst_convert2tensor_fixate_caps(GstBaseTransform *trans,
+                                               GstPadDirection direction,
+                                              GstCaps *caps,
+                                              GstCaps *othercaps)
+{
+}
+
+static gboolean gst_convert2tensor_set_caps(GstBaseTransform *trans,
+                                            GstCaps *incaps,
+                                           GstCaps *outcaps)
+{
+}
+
+static gboolean gst_convert2tensor_transform_size(GstBaseTransform *trans,
+                                                  GstPadDirection direction,
+                                                 GstCaps *caps, gsize size,
+                                                 GstCaps *othercpas, gsize *othersize)
+{
+}
+
+static gboolean gst_convert2tensor_get_unit_size(GstBaseTransform *trans,
+                                                 GstCaps *caps, gsize *size)
+{
+}

diff --git a/convert2tensor/convert2tensor.h b/convert2tensor/convert2tensor.h
index 44ade3b..b158c2f 100644 (file)
--- a/convert2tensor/convert2tensor.h
+++ b/convert2tensor/convert2tensor.h
@@ -69,6 +69,7 @@ G_BEGIN_DECLS
   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CONVERT2TENSOR))
 #define GST_IS_CONVERT2TENSOR_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CONVERT2TENSOR))
+#define GST_CONVERT2TENSOR_CAST(obj)  ((GstConvert2Tensor *)(obj))
 
 typedef struct _GstConvert2Tensor GstConvert2Tensor;
 
@@ -89,11 +90,10 @@ typedef enum _tensor_type {
 } tensor_type;
 struct _GstConvert2Tensor
 {
-  GstElement element;  /**< This element itself is the convert2tensor filter */
-  GstPad *sinkpad;     /**< Media stream input */
-  GstPad *srcpad;      /**< Tensor stream output */
+  GstBaseTransform element;    /**< This is the parent object */
+
   gboolean silent;     /**< True if logging is minimized */
-  gboolean tensorConfigured;   /**< True if sinkpad has successfully configured tensor metadata */
+  gboolean tensorConfigured;   /**< True if already successfully configured tensor metadata */
   gint rank;           /**< Tensor Rank (# dimensions) */
   gint dimension[GST_CONVERT2TENSOR_TENSOR_RANK_LIMIT];        /**< Dimensions. We support up to 4th ranks */
   tensor_type type;            /**< Type of each element in the tensor. User must designate this. Otherwise, this is UINT8 for video/x-raw byte stream */