--- /dev/null
+/**
+ * GStreamer
+ * Copyright (C) 2005 Thomas Vander Stichele <thomas@apestaart.org>
+ * Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * Copyright (C) 2018 MyungJoo Ham <<user@hostname.org>>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
+ * which case the following provisions apply instead of the ones
+ * mentioned above:
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * @file convert2tensor.c
+ * @date 26 Mar 2018
+ * @brief GStreamer plugin to convert media types to tensors (as a filter for other general neural network filters)
+ * @see http://github.com/TO-BE-DETERMINED-SOON
+ * @author MyungJoo Ham <myungjoo.ham@samsung.com>
+ *
+ */
+
+/**
+ * SECTION:element-convert2tensor
+ *
+ * A filter that converts media stream to tensor stream for NN frameworks.
+ * The output is always in the format of other/tensor
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch -v -m fakesrc ! convert2tensor ! fakesink silent=TRUE
+ * ]|
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <gst/gst.h>
+
+#include "convert2tensor.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_convert2tensor_debug);
+#define GST_CAT_DEFAULT gst_convert2tensor_debug
+
+/* Filter signals and args */
+enum
+{
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0,
+ PROP_SILENT
+};
+
+/* the capabilities of the inputs and outputs.
+ *
+ * describe the real formats here.
+ */
+static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("ANY")
+ );
+
+static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("ANY")
+ );
+
+#define gst_convert2tensor_parent_class parent_class
+G_DEFINE_TYPE (GstConvert2Tensor, gst_convert2tensor, GST_TYPE_ELEMENT);
+
+static void gst_convert2tensor_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_convert2tensor_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static gboolean gst_convert2tensor_sink_event (GstPad * pad, GstObject * parent, GstEvent * event);
+static GstFlowReturn gst_convert2tensor_chain (GstPad * pad, GstObject * parent, GstBuffer * buf);
+
+/* GObject vmethod implementations */
+
+/* initialize the convert2tensor's class */
+static void
+gst_convert2tensor_class_init (GstConvert2TensorClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ gobject_class->set_property = gst_convert2tensor_set_property;
+ gobject_class->get_property = gst_convert2tensor_get_property;
+
+ g_object_class_install_property (gobject_class, PROP_SILENT,
+ g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
+ FALSE, G_PARAM_READWRITE));
+
+ gst_element_class_set_details_simple(gstelement_class,
+ "Convert2Tensor",
+ "FIXME:Generic",
+ "FIXME:Generic Template Element",
+ "MyungJoo Ham <<user@hostname.org>>");
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&src_factory));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&sink_factory));
+}
+
+/* initialize the new element
+ * instantiate pads and add them to element
+ * set pad calback functions
+ * initialize instance structure
+ */
+static void
+gst_convert2tensor_init (GstConvert2Tensor * filter)
+{
+ filter->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
+ gst_pad_set_event_function (filter->sinkpad,
+ GST_DEBUG_FUNCPTR(gst_convert2tensor_sink_event));
+ gst_pad_set_chain_function (filter->sinkpad,
+ GST_DEBUG_FUNCPTR(gst_convert2tensor_chain));
+ GST_PAD_SET_PROXY_CAPS (filter->sinkpad);
+ gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
+
+ filter->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
+ GST_PAD_SET_PROXY_CAPS (filter->srcpad);
+ gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
+
+ filter->silent = FALSE;
+}
+
+static void
+gst_convert2tensor_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstConvert2Tensor *filter = GST_CONVERT2TENSOR (object);
+
+ switch (prop_id) {
+ case PROP_SILENT:
+ filter->silent = g_value_get_boolean (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_convert2tensor_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstConvert2Tensor *filter = GST_CONVERT2TENSOR (object);
+
+ switch (prop_id) {
+ case PROP_SILENT:
+ g_value_set_boolean (value, filter->silent);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+/* GstElement vmethod implementations */
+
+/* this function handles sink events */
+static gboolean
+gst_convert2tensor_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
+{
+ GstConvert2Tensor *filter;
+ gboolean ret;
+
+ filter = GST_CONVERT2TENSOR (parent);
+
+ GST_LOG_OBJECT (filter, "Received %s event: %" GST_PTR_FORMAT,
+ GST_EVENT_TYPE_NAME (event), event);
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_CAPS:
+ {
+ GstCaps * caps;
+
+ gst_event_parse_caps (event, &caps);
+ /* do something with the caps */
+
+ /* and forward */
+ ret = gst_pad_event_default (pad, parent, event);
+ break;
+ }
+ default:
+ ret = gst_pad_event_default (pad, parent, event);
+ break;
+ }
+ return ret;
+}
+
+/* chain function
+ * this function does the actual processing
+ */
+static GstFlowReturn
+gst_convert2tensor_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
+{
+ GstConvert2Tensor *filter;
+
+ filter = GST_CONVERT2TENSOR (parent);
+
+ if (filter->silent == FALSE)
+ g_print ("I'm plugged, therefore I'm in.\n");
+
+ /* just push out the incoming buffer without touching it */
+ return gst_pad_push (filter->srcpad, buf);
+}
+
+
+/* entry point to initialize the plug-in
+ * initialize the plug-in itself
+ * register the element factories and other features
+ */
+static gboolean
+convert2tensor_init (GstPlugin * convert2tensor)
+{
+ /* debug category for fltering log messages
+ *
+ * exchange the string 'Template convert2tensor' with your description
+ */
+ GST_DEBUG_CATEGORY_INIT (gst_convert2tensor_debug, "convert2tensor",
+ 0, "Template convert2tensor");
+
+ return gst_element_register (convert2tensor, "convert2tensor", GST_RANK_NONE,
+ GST_TYPE_CONVERT2TENSOR);
+}
+
+/* PACKAGE: this is usually set by autotools depending on some _INIT macro
+ * in configure.ac and then written into and defined in config.h, but we can
+ * just set it ourselves here in case someone doesn't use autotools to
+ * compile this code. GST_PLUGIN_DEFINE needs PACKAGE to be defined.
+ */
+#ifndef PACKAGE
+#define PACKAGE "myfirstconvert2tensor"
+#endif
+
+/* gstreamer looks for this structure to register convert2tensors
+ *
+ * exchange the string 'Template convert2tensor' with your convert2tensor description
+ */
+GST_PLUGIN_DEFINE (
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ convert2tensor,
+ "Template convert2tensor",
+ convert2tensor_init,
+ VERSION,
+ "LGPL",
+ "GStreamer",
+ "http://gstreamer.net/"
+)
--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2005 Thomas Vander Stichele <thomas@apestaart.org>
+ * Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+ * Copyright (C) 2018 MyungJoo Ham <<user@hostname.org>>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
+ * which case the following provisions apply instead of the ones
+ * mentioned above:
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * @file convert2tensor.c
+ * @date 26 Mar 2018
+ * @brief GStreamer plugin to convert media types to tensors (as a filter for other general neural network filters)
+ * @see http://github.com/TO-BE-DETERMINED-SOON
+ * @author MyungJoo Ham <myungjoo.ham@samsung.com>
+ *
+ */
+
+#ifndef __GST_CONVERT2TENSOR_H__
+#define __GST_CONVERT2TENSOR_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+/* #defines don't like whitespacey bits */
+#define GST_TYPE_CONVERT2TENSOR \
+ (gst_convert2tensor_get_type())
+#define GST_CONVERT2TENSOR(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CONVERT2TENSOR,GstConvert2Tensor))
+#define GST_CONVERT2TENSOR_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CONVERT2TENSOR,GstConvert2TensorClass))
+#define GST_IS_CONVERT2TENSOR(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CONVERT2TENSOR))
+#define GST_IS_CONVERT2TENSOR_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CONVERT2TENSOR))
+
+typedef struct _GstConvert2Tensor GstConvert2Tensor;
+typedef struct _GstConvert2TensorClass GstConvert2TensorClass;
+
+struct _GstConvert2Tensor
+{
+ GstElement element;
+
+ GstPad *sinkpad, *srcpad;
+
+ gboolean silent;
+};
+
+struct _GstConvert2TensorClass
+{
+ GstElementClass parent_class;
+};
+
+GType gst_convert2tensor_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_CONVERT2TENSOR_H__ */
projects / platform / upstream / nnstreamer.git / commitdiff