/*
* GStreamer
* Copyright (C) 2005 Thomas Vander Stichele <[email protected]>
* Copyright (C) 2005 Ronald S. Bultje <[email protected]>
* Copyright (C) 2009 Nicolau Leal Werneck <<[email protected]>>
*
* 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.
*/

/**
* SECTION:element-nicvocoder
*
* FIXME:Describe nicvocoder here.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch -v -m fakesrc ! nicvocoder ! fakesink silent=TRUE
* ]|
* </refsect2>
*/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <gst/gst.h>

#include "gstnicvocoder.h"

GST_DEBUG_CATEGORY_STATIC (gst_nic_vocoder_debug);
#define GST_CAT_DEFAULT gst_nic_vocoder_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")
   );

GST_BOILERPLATE (GstNicVocoder, gst_nic_vocoder, GstElement,
   GST_TYPE_ELEMENT);

static void gst_nic_vocoder_set_property (GObject * object, guint prop_id,
   const GValue * value, GParamSpec * pspec);
static void gst_nic_vocoder_get_property (GObject * object, guint prop_id,
   GValue * value, GParamSpec * pspec);

static gboolean gst_nic_vocoder_set_caps (GstPad * pad, GstCaps * caps);
static GstFlowReturn gst_nic_vocoder_chain (GstPad * pad, GstBuffer * buf);

/* GObject vmethod implementations */

static void
gst_nic_vocoder_base_init (gpointer gclass)
{
 GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);

 gst_element_class_set_details_simple(element_class,
   "NicVocoder",
   "FIXME:Generic",
   "FIXME:Generic Template Element",
   "Nicolau Leal Werneck <<[email protected]>>");

 gst_element_class_add_pad_template (element_class,
     gst_static_pad_template_get (&src_factory));
 gst_element_class_add_pad_template (element_class,
     gst_static_pad_template_get (&sink_factory));
}

/* initialize the nicvocoder's class */
static void
gst_nic_vocoder_class_init (GstNicVocoderClass * klass)
{
 GObjectClass *gobject_class;
 GstElementClass *gstelement_class;

 gobject_class = (GObjectClass *) klass;
 gstelement_class = (GstElementClass *) klass;

 gobject_class->set_property = gst_nic_vocoder_set_property;
 gobject_class->get_property = gst_nic_vocoder_get_property;

 g_object_class_install_property (gobject_class, PROP_SILENT,
     g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
         FALSE, G_PARAM_READWRITE));
}

/* initialize the new element
* instantiate pads and add them to element
* set pad calback functions
* initialize instance structure
*/
static void
gst_nic_vocoder_init (GstNicVocoder * filter,
   GstNicVocoderClass * gclass)
{
 filter->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
 gst_pad_set_setcaps_function (filter->sinkpad,
                               GST_DEBUG_FUNCPTR(gst_nic_vocoder_set_caps));
 gst_pad_set_getcaps_function (filter->sinkpad,
                               GST_DEBUG_FUNCPTR(gst_pad_proxy_getcaps));
 gst_pad_set_chain_function (filter->sinkpad,
                             GST_DEBUG_FUNCPTR(gst_nic_vocoder_chain));

 filter->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
 gst_pad_set_getcaps_function (filter->srcpad,
                               GST_DEBUG_FUNCPTR(gst_pad_proxy_getcaps));

 gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
 gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
 filter->silent = FALSE;
}

static void
gst_nic_vocoder_set_property (GObject * object, guint prop_id,
   const GValue * value, GParamSpec * pspec)
{
 GstNicVocoder *filter = GST_NICVOCODER (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_nic_vocoder_get_property (GObject * object, guint prop_id,
   GValue * value, GParamSpec * pspec)
{
 GstNicVocoder *filter = GST_NICVOCODER (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 the link with other elements */
static gboolean
gst_nic_vocoder_set_caps (GstPad * pad, GstCaps * caps)
{
 GstNicVocoder *filter;
 GstPad *otherpad;

 filter = GST_NICVOCODER (gst_pad_get_parent (pad));
 otherpad = (pad == filter->srcpad) ? filter->sinkpad : filter->srcpad;
 gst_object_unref (filter);

 return gst_pad_set_caps (otherpad, caps);
}

/* chain function
* this function does the actual processing
*/
static GstFlowReturn
gst_nic_vocoder_chain (GstPad * pad, GstBuffer * buf)
{
 GstNicVocoder *filter;

 filter = GST_NICVOCODER (GST_OBJECT_PARENT (pad));

 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
nicvocoder_init (GstPlugin * nicvocoder)
{
 /* debug category for fltering log messages
  *
  * exchange the string 'Template nicvocoder' with your description
  */
 GST_DEBUG_CATEGORY_INIT (gst_nic_vocoder_debug, "nicvocoder",
     0, "Template nicvocoder");

 return gst_element_register (nicvocoder, "nicvocoder", GST_RANK_NONE,
     GST_TYPE_NICVOCODER);
}

/* gstreamer looks for this structure to register nicvocoders
*
* exchange the string 'Template nicvocoder' with your nicvocoder description
*/
GST_PLUGIN_DEFINE (
   GST_VERSION_MAJOR,
   GST_VERSION_MINOR,
   "nicvocoder",
   "Template nicvocoder",
   nicvocoder_init,
   VERSION,
   "LGPL",
   "GStreamer",
   "http://gstreamer.net/"
)

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