/* GStreamer

 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>

 * Copyright (C) <2003> David Schleef <ds@schleef.org>

 *

 * 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.

 */

/*

 * This file was (probably) generated from

 * $Id: gstaudiofiltertemplate.c,v 1.14 2007-02-03 23:28:45 tpm Exp $

 * and

 * MAKEFILTERVERSION

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <gst/gst.h>

#include <gst/audio/audio.h>

#include <gst/audio/gstaudiofilter.h>

#include <string.h>

GST_DEBUG_CATEGORY_STATIC (audio_filter_template_debug);

#define GST_CAT_DEFAULT audio_filter_template_debug

static const GstElementDetails audio_filter_template_details =

GST_ELEMENT_DETAILS ("Audio filter template",

    "Filter/Effect/Audio",

    "Filters audio",

    "David Schleef <ds@schleef.org>");

typedef struct _GstAudioFilterTemplate GstAudioFilterTemplate;

typedef struct _GstAudioFilterTemplateClass GstAudioFilterTemplateClass;

#define GST_TYPE_AUDIO_FILTER_TEMPLATE \

  (gst_audio_filter_template_get_type())

#define GST_AUDIO_FILTER_TEMPLATE(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_FILTER_TEMPLATE,GstAudioFilterTemplate))

#define GST_AUDIO_FILTER_TEMPLATE_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_FILTER_TEMPLATE,GstAudioFilterTemplateClass))

#define GST_IS_AUDIO_FILTER_TEMPLATE(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_FILTER_TEMPLATE))

#define GST_IS_AUDIO_FILTER_TEMPLATE_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_FILTER_TEMPLATE))

struct _GstAudioFilterTemplate

{

  GstAudioFilter audiofilter;

};

struct _GstAudioFilterTemplateClass

{

  GstAudioFilterClass parent_class;

};

enum

{

  /* FILL ME */

  LAST_SIGNAL

};

enum

{

  ARG_0

      /* FILL ME */

};

GST_BOILERPLATE (GstAudioFilterTemplate, gst_audio_filter_template,

    GstAudioFilter, GST_TYPE_AUDIO_FILTER);

static void gst_audio_filter_template_set_property (GObject * object,

    guint prop_id, const GValue * value, GParamSpec * pspec);

static void gst_audio_filter_template_get_property (GObject * object,

    guint prop_id, GValue * value, GParamSpec * pspec);

static gboolean gst_audio_filter_template_setup (GstAudioFilter * filter,

    GstRingBufferSpec * spec);

static GstFlowReturn gst_audio_filter_template_filter (GstBaseTransform * bt,

    GstBuffer * outbuf, GstBuffer * inbuf);

static GstFlowReturn

gst_audio_filter_template_filter_inplace (GstBaseTransform * base_transform,

    GstBuffer * buf);

#define ALLOWED_CAPS_STRING \

    GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS

static void

gst_audio_filter_template_base_init (gpointer g_class)

{

  GstAudioFilterTemplateClass *klass = (GstAudioFilterTemplateClass *) g_class;

  GstAudioFilterClass *audiofilter_class = GST_AUDIO_FILTER_CLASS (g_class);

  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);

  GstCaps *caps;

  gst_element_class_set_details (element_class, &audio_filter_template_details);

  caps = gst_caps_from_string (ALLOWED_CAPS_STRING);

  gst_audio_filter_class_add_pad_templates (audiofilter_class, caps);

  gst_caps_unref (caps);

}

static void

gst_audio_filter_template_class_init (GstAudioFilterTemplateClass * klass)

{

  GObjectClass *gobject_class;

  GstBaseTransformClass *btrans_class;

  GstAudioFilterClass *audio_filter_class;

  gobject_class = (GObjectClass *) klass;

  btrans_class = (GstBaseTransformClass *) klass;

  audio_filter_class = (GstAudioFilterClass *) klass;

#if 0

  g_object_class_install_property (gobject_class, ARG_METHOD,

      g_param_spec_enum ("method", "method", "method",

          GST_TYPE_AUDIOTEMPLATE_METHOD, GST_AUDIOTEMPLATE_METHOD_1,

          G_PARAM_READWRITE));

#endif

  gobject_class->set_property = gst_audio_filter_template_set_property;

  gobject_class->get_property = gst_audio_filter_template_get_property;

  /* this function will be called whenever the format changes */

  audio_filter_class->setup = gst_audio_filter_template_setup;

  /* here you set up functions to process data (either in place, or from

   * one input buffer to another output buffer); only one is required */

  btrans_class->transform = gst_audio_filter_template_filter;

  btrans_class->transform_ip = gst_audio_filter_template_filter_inplace;

}

static void

gst_audio_filter_template_init (GstAudioFilterTemplate * audio_filter_template,

    GstAudioFilterTemplateClass * g_class)

{

  GST_DEBUG ("init");

  /* do stuff if you need to */

}

static void

gst_audio_filter_template_set_property (GObject * object, guint prop_id,

    const GValue * value, GParamSpec * pspec)

{

  GstAudioFilterTemplate *filter;

  filter = GST_AUDIO_FILTER_TEMPLATE (object);

  GST_DEBUG ("set  property %u", prop_id);

  GST_OBJECT_LOCK (filter);

  switch (prop_id) {

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

  }

  GST_OBJECT_UNLOCK (filter);

}

static void

gst_audio_filter_template_get_property (GObject * object, guint prop_id,

    GValue * value, GParamSpec * pspec)

{

  GstAudioFilterTemplate *filter;

  filter = GST_AUDIO_FILTER_TEMPLATE (object);

  GST_DEBUG ("get  property %u", prop_id);

  GST_OBJECT_LOCK (filter);

  switch (prop_id) {

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

  }

  GST_OBJECT_UNLOCK (filter);

}

static gboolean

gst_audio_filter_template_setup (GstAudioFilter * filter,

    GstRingBufferSpec * spec)

{

  GstAudioFilterTemplate *audio_filter_template;

  audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (filter);

  /* if any setup needs to be done, do it here */

  return TRUE;                  /* it's all good */

}

/* You may choose to implement either a copying filter or an

 * in-place filter (or both).  Implementing only one will give

 * full functionality, however, implementing both will cause

 * audiofilter to use the optimal function in every situation,

 * with a minimum of memory copies. */

static GstFlowReturn

gst_audio_filter_template_filter (GstBaseTransform * base_transform,

    GstBuffer * inbuf, GstBuffer * outbuf)

{

  GstAudioFilterTemplate *audio_filter_template;

  GstAudioFilter *audiofilter;

  audiofilter = GST_AUDIO_FILTER (base_transform);

  audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (base_transform);

  /* do something interesting here.  This simply copies the source

   * to the destination. */

  memcpy (GST_BUFFER_DATA (outbuf), GST_BUFFER_DATA (inbuf),

      GST_BUFFER_SIZE (inbuf));

  return GST_FLOW_OK;

}

static GstFlowReturn

gst_audio_filter_template_filter_inplace (GstBaseTransform * base_transform,

    GstBuffer * buf)

{

  GstAudioFilterTemplate *audio_filter_template;

  GstAudioFilter *audiofilter;

  audiofilter = GST_AUDIO_FILTER (base_transform);

  audio_filter_template = GST_AUDIO_FILTER_TEMPLATE (base_transform);

  /* do something interesting here.  This simply copies the source

   * to the destination. */

  return GST_FLOW_OK;

}

static gboolean

plugin_init (GstPlugin * plugin)

{

  GST_DEBUG_CATEGORY_INIT (audio_filter_template_debug, "audiofiltertemplate",

      0, "audiofiltertemplate");

  return gst_element_register (plugin, "audiofiltertemplate", GST_RANK_NONE,

      GST_TYPE_AUDIO_FILTER_TEMPLATE);

}

GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,

    GST_VERSION_MINOR,

    "gstaudio_filter_template",

    "Audio filter template",

    plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);