Tizen 2.1 base

3 files changed, 758 insertions, 0 deletions

diff --git a/drmsrc/src/Makefile.am b/drmsrc/src/Makefile.am
new file mode 100755
index 0000000..37eb3bb
--- /dev/null
+++ b/drmsrc/src/Makefile.am
@@ -0,0 +1,27 @@
+# plugindir is set in configure
+
+##############################################################################
+# change libgstplugin.la to something more suitable, e.g. libmysomething.la  #
+##############################################################################
+plugin_LTLIBRARIES = libgstdrmsrc.la
+
+##############################################################################
+# for the next set of variables, rename the prefix if you renamed the .la,   #
+#  e.g. libgstplugin_la_SOURCES => libmysomething_la_SOURCES                 #
+#       libgstplugin_la_CFLAGS  => libmysomething_la_CFLAGS                  #
+#       libgstplugin_la_LIBADD  => libmysomething_la_LIBADD                  #
+#       libgstplugin_la_LDFLAGS => libmysomething_la_LDFLAGS                 #
+##############################################################################
+
+# sources used to compile this plug-in
+libgstdrmsrc_la_SOURCES = gstdrmsrc.c
+
+# flags used to compile this plugin
+# add other _CFLAGS and _LIBS as needed
+libgstdrmsrc_la_CFLAGS = $(GST_CFLAGS) $(MMTA_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+libgstdrmsrc_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS) $(MMTA_LIBS)
+libgstdrmsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+
+# headers we need but don't want installed
+noinst_HEADERS = gstdrmsrc.h
+
diff --git a/drmsrc/src/gstdrmsrc.c b/drmsrc/src/gstdrmsrc.c
new file mode 100644
index 0000000..92916f2
--- /dev/null
+++ b/drmsrc/src/gstdrmsrc.c
@@ -0,0 +1,625 @@
+/*
+ * drmsrc
+ *
+ * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Contact: JongHyuk Choi <jhchoi.choi@samsung.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation; either version 2.1 of the License, or (at your option)
+ * any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include "gstdrmsrc.h"
+
+#define LOG_TRACE(message)  //g_print("DRM_SRC: %s: %d: %s - %s \n", __FILE__, __LINE__, __FUNCTION__, message);
+
+#define GST_TAG_PLAYREADY "playready_file_path"
+
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,GST_STATIC_CAPS_ANY);
+
+
+GST_DEBUG_CATEGORY_STATIC (gst_drm_src_debug);
+#define GST_CAT_DEFAULT gst_drm_src_debug
+
+enum
+{
+	ARG_0,
+	ARG_LOCATION,
+	ARG_FD
+};
+static void gst_drm_src_finalize (GObject * object);
+static void gst_drm_src_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec);
+static void gst_drm_src_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec);
+static gboolean gst_drm_src_start (GstBaseSrc * basesrc);
+static gboolean gst_drm_src_stop (GstBaseSrc * basesrc);
+static gboolean gst_drm_src_is_seekable (GstBaseSrc * src);
+static gboolean gst_drm_src_get_size (GstBaseSrc * src, guint64 * size);
+static GstFlowReturn gst_drm_src_create (GstBaseSrc * src, guint64 offset, guint length, GstBuffer ** buffer);
+static void gst_drm_src_uri_handler_init (gpointer g_iface, gpointer iface_data);
+
+/**
+ * This function does the following:
+ *  1. Initializes GstDrmSrc ( defines gst_drm_get_type)
+ *
+ * @param   drmsrc_type    [out]  GType
+ *
+ * @return  void
+ */
+static void _do_init (GType drmsrc_type)
+{
+       // 1. Initializes GstDrmSrc ( defines gst_drm_get_type)
+	static const GInterfaceInfo urihandler_info = {
+		gst_drm_src_uri_handler_init,
+		NULL,
+		NULL
+	};
+
+	g_type_add_interface_static (drmsrc_type, GST_TYPE_URI_HANDLER, &urihandler_info);
+	GST_DEBUG_CATEGORY_INIT (gst_drm_src_debug, "drmsrc", 0, "drmsrc element");
+}
+GST_BOILERPLATE_FULL (GstDrmSrc, gst_drm_src, GstBaseSrc, GST_TYPE_BASE_SRC,   _do_init);
+/**
+ * This function does the following:
+ *  1. Sets the class details
+ *  2. Adds the source pad template
+ *
+ * @param   g_class    [out]   gpointer
+ *
+ * @return  void
+ */
+static void gst_drm_src_base_init (gpointer g_class)
+{
+	GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+	// 1. Sets the class details
+	gst_element_class_set_details_simple (gstelement_class,
+		"DRM Source",
+		"Source/File",
+		"Read from arbitrary point in a standard/DRM file",
+		"Kishore Arepalli  <kishore.a@samsung.com> and Sadanand Dodawadakar <sadanand.d@samsung.com>");
+      // 2. Adds the source pad template
+	gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&srctemplate));
+}
+/**
+ * This function does the following:
+ *  1. Installs the properties
+ *  2. Assigns the function pointers GObject class attributes
+ *
+ * @param   klass    [out]   GstDrmSrcClass Structure
+ *
+ * @return  void
+ */
+static void gst_drm_src_class_init (GstDrmSrcClass * klass)
+{
+	GObjectClass *gobject_class;
+	GstBaseSrcClass *gstbasesrc_class;
+	gobject_class = G_OBJECT_CLASS (klass);
+	gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
+	// Assigns the function pointers GObject class attributes
+	gobject_class->set_property = gst_drm_src_set_property;
+	gobject_class->get_property = gst_drm_src_get_property;
+	//  1. Installs the properties
+	g_object_class_install_property (gobject_class, ARG_FD,
+		g_param_spec_int ("fd", "File-descriptor",
+		"File-descriptor for the file being mmap()d", 0, G_MAXINT, 0,
+		G_PARAM_READABLE));
+	g_object_class_install_property (gobject_class, ARG_LOCATION,
+		g_param_spec_string ("location", "File Location",
+		"Location of the file to read", NULL, G_PARAM_READWRITE));
+
+	// 2. Assigns the function pointers GObject class attributes
+	gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_drm_src_finalize);
+	gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_drm_src_start);
+	gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_drm_src_stop);
+	gstbasesrc_class->is_seekable = GST_DEBUG_FUNCPTR (gst_drm_src_is_seekable);
+	gstbasesrc_class->get_size = GST_DEBUG_FUNCPTR (gst_drm_src_get_size);
+	gstbasesrc_class->create = GST_DEBUG_FUNCPTR (gst_drm_src_create);
+
+
+	gst_tag_register (GST_TAG_PLAYREADY, GST_TAG_FLAG_META,
+			G_TYPE_STRING,
+			"PlayReady File Path",
+			"a tag that is specific to PlayReady File",
+			NULL);
+}
+/**
+ * This function does the following:
+ *  1. Initilizes the parameters of GstDrmSrc
+ *
+ * @param   src    [out]   GstDrmSrc structure
+ * @param   g_class    [in]   GstDrmSrcClass structure
+ *
+ * @return  gboolean   Returns TRUE on success and FALSE on ERROR
+ */
+static void gst_drm_src_init (GstDrmSrc * src, GstDrmSrcClass * g_class)
+{
+	// 1. Initilizes the parameters of GstDrmSrc
+	src->filename = NULL;
+	src->fd = 0;
+	src->uri = NULL;
+	src->is_regular = FALSE;
+	src->seekable = FALSE;
+	PROFILE_INIT;
+}
+/**
+ * This function does the following:
+ *  1. deallocates the filename and uri
+ *  2. calls the parent class->finalize
+ *
+ * @param   object    [in]   GObject Structure
+ *
+ * @return  void
+ */
+static void gst_drm_src_finalize (GObject * object)
+{
+	GstDrmSrc *src;
+
+	src = GST_DRM_SRC (object);
+	//  1. deallocates the filename and uri
+	g_free (src->filename);
+	g_free (src->uri);
+	// 2. calls the parent class->finalize
+	G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+/**
+ * This function does the following:
+ *  1. Checks the state
+ *  2. Checks the filename
+ *  3. Sets the filename
+ *
+ * @param   src    [in]   GstDrmSrc Structure
+ * @param   location    [in]   location of the file
+ *
+ * @return  gboolean   Returns TRUE on success and FALSE on ERROR
+ */
+static gboolean gst_drm_src_set_location (GstDrmSrc * src, const gchar * location)
+{
+	GstState state;
+
+	GST_OBJECT_LOCK (src);
+	//  1. Checks the state
+	state = GST_STATE (src);
+	if (state != GST_STATE_READY && state != GST_STATE_NULL)
+	{
+		GST_DEBUG_OBJECT (src, "setting location in wrong state");
+		GST_OBJECT_UNLOCK (src);
+		return FALSE;
+	}
+	GST_OBJECT_UNLOCK (src);
+	g_free (src->filename);
+	g_free (src->uri);
+	//  2. Checks the filename
+	if (location == NULL)
+	{
+		src->filename = NULL;
+		src->uri = NULL;
+	}
+	else
+	{
+		// 3. Sets the filename
+		src->filename = g_strdup (location);
+		src->uri = gst_uri_construct ("file", src->filename);
+	}
+	g_object_notify (G_OBJECT (src), "location");
+	gst_uri_handler_new_uri (GST_URI_HANDLER (src), src->uri);
+	return TRUE;
+}
+/**
+ * This function does the following:
+ *  1. Sets the location of the file.
+ *
+ * @param   object    [in]   GObject Structure
+ * @param   prop_id    [in]   id of the property
+ * @param   value    [in]   property value
+ * @param   pspec    [in]  GParamSpec Structure
+ *
+ * @return  void
+ */
+static void gst_drm_src_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
+{
+	GstDrmSrc *src;
+
+	g_return_if_fail (GST_IS_DRM_SRC (object));
+	src = GST_DRM_SRC (object);
+	switch (prop_id)
+	{
+		//  1. Sets the location of the file.
+		case ARG_LOCATION:
+			gst_drm_src_set_location (src, g_value_get_string (value));
+			break;
+		default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+			break;
+	}
+}
+/**
+ * This function does the following:
+ *  1. Provides the location of the file.
+ *  2. Provides the file descriptor.
+ *
+ * @param   object    [in]   GObject Structure
+ * @param   prop_id    [in]   id of the property
+ * @param   value    [out]   property value
+ * @param   pspec    [in]  GParamSpec Structure
+ *
+ * @return  void
+ */
+static void gst_drm_src_get_property (GObject * object, guint prop_id, GValue * value,GParamSpec * pspec)
+{
+	GstDrmSrc *src;
+
+	g_return_if_fail (GST_IS_DRM_SRC (object));
+	src = GST_DRM_SRC (object);
+	switch (prop_id)
+	{
+		//  1. Provides the location of the file.
+		case ARG_LOCATION:
+			g_value_set_string (value, src->filename);
+			break;
+		// 2. Provides the file descriptor.
+		case ARG_FD:
+			g_value_set_int (value, src->fd);
+			break;
+		default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+			break;
+	}
+}
+
+/**
+ * This function does the following:
+ *  1. Seeks to the specified position.
+ *  2. Allocates a buffer to push the data
+ *  3. Reads from the file and sets the related params
+ *
+ * @param   src    [in]   GstDrmSrc Structure
+ * @param   offset    [in]   offset of the file to seek
+ * @param   length    [in]   size of the data in bytes
+ * @param   buffer    [out]   GstBuffer to hold the contents
+ *
+ * @return  GstFlowReturn   Returns GST_FLOW_OK on success and ERROR on failure
+ */
+static GstFlowReturn gst_drm_src_create_read (GstDrmSrc * src, guint64 offset, guint length, GstBuffer ** buffer)
+{
+	int ret;
+	GstBuffer *buf;
+	// 1. Seeks to the specified position.
+	if (G_UNLIKELY (src->read_position != offset))
+	{
+		off_t res;
+		res = lseek (src->fd, offset, SEEK_SET);
+		if (G_UNLIKELY (res < 0 || res != offset))
+		{
+			GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), GST_ERROR_SYSTEM);
+			return GST_FLOW_ERROR;
+		}
+		src->read_position = offset;
+	}
+	// 2. Allocates a buffer to push the data
+	buf = gst_buffer_new_and_alloc (length);
+	GST_LOG_OBJECT (src, "Reading %d bytes", length);
+	// 3. Reads from the file and sets the related params
+	ret = read (src->fd, GST_BUFFER_DATA (buf), length);
+	if (G_UNLIKELY (ret < 0))
+	{
+		GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), GST_ERROR_SYSTEM);
+		gst_buffer_unref (buf);
+		return GST_FLOW_ERROR;
+	}
+	if (G_UNLIKELY ((guint) ret < length && src->seekable))
+	{
+		GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL),("unexpected end of file."));
+		gst_buffer_unref (buf);
+		return GST_FLOW_ERROR;
+	}
+	if (G_UNLIKELY (ret == 0 && length > 0))
+	{
+		GST_DEBUG ("non-regular file hits EOS");
+		gst_buffer_unref (buf);
+		return GST_FLOW_UNEXPECTED;
+	}
+	length = ret;
+	GST_BUFFER_SIZE (buf) = length;
+	GST_BUFFER_OFFSET (buf) = offset;
+	GST_BUFFER_OFFSET_END (buf) = offset + length;
+	*buffer = buf;
+	src->read_position += length;
+	return GST_FLOW_OK;
+}
+/**
+ * This function does the following:
+ *  1. Calls DRM file read chain method for drm files.
+ *  2. Calls normal file read chain method for standard files.
+ *
+ * @param   basesrc    [in]   BaseSrc Structure
+ * @param   size    [out]   Size of the file
+ *
+ * @return  gboolean   Returns TRUE on success and FALSE on ERROR
+ */
+static GstFlowReturn gst_drm_src_create (GstBaseSrc * basesrc, guint64 offset, guint length, GstBuffer ** buffer)
+{
+	GstDrmSrc *src = GST_DRM_SRC (basesrc);
+
+	// 1. Calls DRM file read chain method for drm files.
+
+	// 2. Calls normal file read chain method for standard files.
+	return gst_drm_src_create_read (src, offset, length, buffer);
+}
+/**
+ *
+ * @param   basesrc    [in]   BaseSrc Structure
+ *
+ * @return  gboolean   Returns TRUE if the file is seekable and FALSE if the file is not seekable
+ */
+static gboolean gst_drm_src_is_seekable (GstBaseSrc * basesrc)
+{
+	GstDrmSrc *src = GST_DRM_SRC (basesrc);
+	return src->seekable;
+}
+/**
+ * This function does the following:
+ *  1. Gets the filesize for drm file by using seek oprations
+ *  2. Gets the file size for standard file by using statistics
+ *
+ * @param   basesrc    [in]   BaseSrc Structure
+ * @param   size    [in]   Size of the file
+ *
+ * @return  gboolean   Returns TRUE on success and FALSE on ERROR
+ */
+static gboolean gst_drm_src_get_size (GstBaseSrc * basesrc, guint64 * size)
+{
+	struct stat stat_results;
+	GstDrmSrc *src = GST_DRM_SRC (basesrc);
+	unsigned int offset;
+
+	//  1. Gets the filesize for drm file by using seek oprations
+
+	// 2. Gets the file size for standard file by using statistics
+	if (fstat (src->fd, &stat_results) < 0)
+		return FALSE;
+	*size = stat_results.st_size;
+	return TRUE;
+}
+/**
+ * This function does the following:
+ *  1. Checks the filename
+ *  2. Opens the file and check statistics of the file
+ *  7. Checks the seeking for standard files
+ *
+ * @param   basesrc    [in]   BaseSrc Structure
+ *
+ * @return  gboolean   Returns TRUE on success and FALSE on ERROR
+ */
+static gboolean gst_drm_src_start (GstBaseSrc * basesrc)
+{
+	GstDrmSrc *src = GST_DRM_SRC (basesrc);
+	struct stat stat_results;
+	off_t ret;
+PROFILE_FUNC_BEGIN;
+	// 1. Checks the filename
+	if (src->filename == NULL || src->filename[0] == '\0')
+	{
+		GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,("No file name specified for reading."), (NULL));
+		return FALSE;
+	}
+	// 2. Opens the file and check statistics of the file
+	GST_INFO_OBJECT (src, "opening file %s", src->filename);
+	src->fd = open (src->filename, O_RDONLY | O_BINARY);
+	if (src->fd < 0)
+	{
+		if(errno == ENOENT)
+		{
+			GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, (NULL),("No such file \"%s\"", src->filename));
+			return FALSE;
+		}
+		GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, ("Could not open file \"%s\" for reading.", src->filename), GST_ERROR_SYSTEM);
+		return FALSE;
+	}
+	if (fstat (src->fd, &stat_results) < 0)
+	{
+		GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, ("Could not get info on \"%s\".", src->filename), (NULL));
+		close (src->fd);
+		return FALSE;
+	}
+	if (S_ISDIR (stat_results.st_mode))
+	{
+		GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, ("\"%s\" is a directory.", src->filename), (NULL));
+		close (src->fd);
+		return FALSE;
+	}
+	if (S_ISSOCK (stat_results.st_mode))
+	{
+		GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, ("File \"%s\" is a socket.", src->filename), (NULL));
+		close (src->fd);
+		return FALSE;
+	}
+	src->read_position = 0;
+
+	// 7. Checks the seeking for standard files
+	if (S_ISREG (stat_results.st_mode))
+		src->is_regular = TRUE;
+	ret = lseek (src->fd, 0, SEEK_END);
+	if (ret < 0)
+	{
+		GST_LOG_OBJECT (src, "disabling seeking, not in mmap mode and lseek "
+			"failed: %s", g_strerror (errno));
+		src->seekable = FALSE;
+	}
+	else
+	{
+		src->seekable = TRUE;
+	}
+	lseek (src->fd, 0, SEEK_SET);
+	src->seekable = src->seekable && src->is_regular;
+	PROFILE_FUNC_END;
+	return TRUE;
+}
+/**
+ * This function does the following:
+ *  1. Closes the file desciptor and resets the flags
+ *
+ * @param   basesrc    [in]   BaseSrc Structure
+ *
+ * @return  gboolean   Returns TRUE on success and FALSE on ERROR
+ */
+static gboolean gst_drm_src_stop (GstBaseSrc * basesrc)
+{
+	GstDrmSrc *src = GST_DRM_SRC (basesrc);
+
+	// 1. Closes the file desciptor and resets the flags
+	if(src->fd > 0)
+		close (src->fd);
+	src->fd = 0;
+	src->is_regular = FALSE;
+//	PROFILE_SHOW_RESULT;
+	return TRUE;
+}
+/**
+ *
+ * @param   void
+ *
+ * @return  GstURIType   Returns GST_URI_SRC
+ */
+
+static GstURIType gst_drm_src_uri_get_type (void)
+{
+	return GST_URI_SRC;
+}
+
+/**
+ * This function does the following:
+ *  1. Defines the list of protocols
+ *
+ * @param   void
+ *
+ * @return  gchar **   Returns the protocol list
+ */
+
+static gchar ** gst_drm_src_uri_get_protocols (void)
+{
+	static gchar *protocols[] = { "file", NULL };
+	return protocols;
+}
+/**
+ *
+ * @param   handler [in] GstURIHandler structure
+ *
+ * @return  gchar*   Returns the uri
+ */
+static const gchar * gst_drm_src_uri_get_uri (GstURIHandler *handler)
+{
+	GstDrmSrc *src = GST_DRM_SRC (handler);
+	return src->uri;
+}
+/**
+ * This function does the following:
+ *  1. Checks the protocol
+ *  2. Checks the whether it is absolute or not
+ *  3 sets the location
+ *
+ * @param   handler [in] GstURIHandler structure
+ * @param   uri [in] uri string
+ *
+ * @return  gboolean   Returns TRUE on success and FALSE on Error
+ */
+static gboolean gst_drm_src_uri_set_uri (GstURIHandler *handler, const gchar * uri)
+{
+	gchar *protocol, *location;
+	gboolean ret;
+	GstDrmSrc *src = GST_DRM_SRC (handler);
+	// 1. Checks the protocol
+	protocol = gst_uri_get_protocol (uri);
+	if (strcmp (protocol, "file") != 0)
+	{
+		g_free (protocol);
+		return FALSE;
+	}
+	g_free (protocol);
+	if (g_str_has_prefix (uri, "file://localhost/"))
+	{
+		char *tmp;
+		tmp = g_strconcat ("file://", uri + 16, NULL);
+		location = gst_uri_get_location (tmp);
+		g_free (tmp);
+	}
+	else if (strcmp (uri, "file://") == 0)
+	{
+		gst_drm_src_set_location (src, NULL);
+		return TRUE;
+	}
+	else
+	{
+		location = gst_uri_get_location (uri);
+	}
+	if (!location)
+		return FALSE;
+	// 2. Checks the whether it is absolute or not
+	if (!g_path_is_absolute (location))
+	{
+		g_free (location);
+		return FALSE;
+	}
+	// 3 sets the location
+	ret = gst_drm_src_set_location (src, location);
+	g_free (location);
+	return ret;
+}
+/**
+ * This function does the following:
+ *  1. Assignes the function pointer for URI related stuff
+ *
+ * @param   g_iface [in] an interface to URI handler
+ * @param   iface_data [in] a gpointer
+ *
+ * @return  void
+ */
+static void gst_drm_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
+{
+	GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
+	// 1. Assigning the function pointer for URI related stuff
+	iface->get_type = gst_drm_src_uri_get_type;
+	iface->get_protocols = gst_drm_src_uri_get_protocols;
+	iface->get_uri = gst_drm_src_uri_get_uri;
+	iface->set_uri = gst_drm_src_uri_set_uri;
+}
+/**
+ * This function does the following:
+ *  1. Registers an element as drmsrc
+ *
+ * @param   i_pPlugin [in] a plug-in structure
+ *
+ * @return  gboolean TRUE on SUCCESS and FALSE on Error
+ */
+static gboolean plugin_init(GstPlugin* i_pPlugin)
+{
+	return gst_element_register(i_pPlugin, "drmsrc", GST_RANK_NONE, GST_TYPE_DRM_SRC);;
+}
+/**
+ * This function does the following:
+ *  1. plugin defination
+ *
+ */
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+						 GST_VERSION_MINOR,
+						 "drmsrc",
+						 "Plugin to read data from standad/DRM File",
+						 plugin_init,
+						 VERSION,
+						 "LGPL",
+						 "Samsung Electronics Co",
+						 "http://www.samsung.com/")
+
diff --git a/drmsrc/src/gstdrmsrc.h b/drmsrc/src/gstdrmsrc.h
new file mode 100755
index 0000000..e47802e
--- /dev/null
+++ b/drmsrc/src/gstdrmsrc.h
@@ -0,0 +1,106 @@
+/*
+ * drmsrc
+ *
+ * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Contact: JongHyuk Choi <jhchoi.choi@samsung.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation; either version 2.1 of the License, or (at your option)
+ * any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+
+#ifndef __GST_DRM_SRC_H__
+#define __GST_DRM_SRC_H__
+
+#include <sys/types.h>
+#include <gst/gst.h>
+#include <gst/base/gstbasesrc.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+
+#ifndef S_ISREG
+#define S_ISREG(mode) ((mode)&_S_IFREG)
+#endif
+#ifndef S_ISDIR
+#define S_ISDIR(mode) ((mode)&_S_IFDIR)
+#endif
+#ifndef S_ISSOCK
+#define S_ISSOCK(x) (0)
+#endif
+#ifndef O_BINARY
+#define O_BINARY (0)
+#endif
+
+#define ENABLE_PROFILING_INFO
+#ifdef ENABLE_PROFILING_INFO
+#define   PROFILE_FUNC_BEGIN\
+	char *newname; \
+	newname=__FUNCTION__; \	
+	gst_ta_accum_item_begin(newname,FALSE,__FILE__,__LINE__);	
+	
+#define PROFILE_FUNC_END  \	
+	gst_ta_accum_item_end(newname,FALSE,__FILE__,__LINE__);
+
+#define PROFILE_BLOCK_BEGIN(name) 		gst_ta_accum_item_begin(name,FALSE,__FILE__,__LINE__);
+#define PROFILE_BLOCK_END(name)		gst_ta_accum_item_end(name,FALSE,__FILE__,__LINE__);
+#define PROFILE_INIT						gst_ta_init();
+#define PROFILE_SHOW_RESULT			gst_ta_accum_show_result(0);//MMTA_SHOW_FILE);  
+#define PROFILE_CLEAR_DATA				gst_ta_release();
+#else
+#define PROFILE_FUNC_BEGIN
+#define PROFILE_FUNC_END
+#define PROFILE_BLOCK_BEGIN(name)
+#define PROFILE_BLOCK_END(name)
+#define PROFILE_INIT
+#define PROFILE_SHOW_RESULT
+#define PROFILE_CLEAR_DATA 
+#endif
+G_BEGIN_DECLS
+
+#define GST_TYPE_DRM_SRC (gst_drm_src_get_type())
+#define GST_DRM_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DRM_SRC,GstDrmSrc))
+#define GST_DRM_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DRM_SRC,GstDrmSrcClass))
+#define GST_IS_DRM_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DRM_SRC))
+#define GST_IS_DRM_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DRM_SRC))
+
+typedef struct _GstDrmSrc GstDrmSrc;
+typedef struct _GstDrmSrcClass GstDrmSrcClass;
+
+struct _GstDrmSrc 
+{
+	GstBaseSrc element;
+	gchar *filename;			
+	gchar *uri;				 
+	gint fd;				 
+	guint64 read_position;	
+      gboolean seekable;      
+	gboolean is_regular;    
+};
+
+struct _GstDrmSrcClass 
+{
+	GstBaseSrcClass parent_class;
+};
+
+GType gst_drm_src_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_DRM_SRC_H__ */