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266 lines
8 KiB
C
266 lines
8 KiB
C
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2003> David Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* This file was (probably) generated from
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* $Id$
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* and
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* MAKEFILTERVERSION
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#include <gst/audio/gstaudiofilter.h>
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#include <string.h>
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typedef struct _GstAudiofilterTemplate GstAudiofilterTemplate;
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typedef struct _GstAudiofilterTemplateClass GstAudiofilterTemplateClass;
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#define GST_TYPE_AUDIOFILTER_TEMPLATE \
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(gst_audiofilter_template_get_type())
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#define GST_AUDIOFILTER_TEMPLATE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIOFILTER_TEMPLATE,GstAudiofilterTemplate))
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#define GST_AUDIOFILTER_TEMPLATE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIOFILTER_TEMPLATE,GstAudiofilterTemplateClass))
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#define GST_IS_AUDIOFILTER_TEMPLATE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIOFILTER_TEMPLATE))
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#define GST_IS_AUDIOFILTER_TEMPLATE_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIOFILTER_TEMPLATE))
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struct _GstAudiofilterTemplate {
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GstAudiofilter audiofilter;
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};
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struct _GstAudiofilterTemplateClass {
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GstAudiofilterClass parent_class;
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};
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enum {
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/* FILL ME */
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LAST_SIGNAL
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};
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enum {
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ARG_0,
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/* FILL ME */
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};
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static void gst_audiofilter_template_base_init (gpointer g_class);
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static void gst_audiofilter_template_class_init (gpointer g_class, gpointer class_data);
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static void gst_audiofilter_template_init (GTypeInstance *instance, gpointer g_class);
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static void gst_audiofilter_template_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
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static void gst_audiofilter_template_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
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static void gst_audiofilter_template_setup (GstAudiofilter *audiofilter);
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static void gst_audiofilter_template_filter (GstAudiofilter *audiofilter, GstBuffer *outbuf, GstBuffer *inbuf);
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static void gst_audiofilter_template_filter_inplace (GstAudiofilter *audiofilter, GstBuffer *buf);
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GType
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gst_audiofilter_template_get_type (void)
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{
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static GType audiofilter_template_type = 0;
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if (!audiofilter_template_type) {
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static const GTypeInfo audiofilter_template_info = {
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sizeof(GstAudiofilterTemplateClass),
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gst_audiofilter_template_base_init,
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NULL,
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gst_audiofilter_template_class_init,
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NULL,
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gst_audiofilter_template_init,
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sizeof(GstAudiofilterTemplate),
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0,
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NULL,
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};
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audiofilter_template_type = g_type_register_static(GST_TYPE_AUDIOFILTER,
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"GstAudiofilterTemplate", &audiofilter_template_info, 0);
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}
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return audiofilter_template_type;
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}
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static void gst_audiofilter_template_base_init (gpointer g_class)
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{
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static GstElementDetails audiofilter_template_details = {
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"Audio filter template",
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"Filter/Effect/Audio",
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"Filters audio",
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"David Schleef <ds@schleef.org>"
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};
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GstAudiofilterTemplateClass *klass = (GstAudiofilterTemplateClass *) g_class;
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_set_details (element_class, &audiofilter_template_details);
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gst_audiofilter_class_add_pad_templates (GST_AUDIOFILTER_CLASS (g_class),
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gst_caps_from_string (GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS));
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}
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static void
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gst_audiofilter_template_class_init (gpointer g_class, gpointer class_data)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstAudiofilterTemplateClass *klass;
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GstAudiofilterClass *audiofilter_class;
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klass = (GstAudiofilterTemplateClass *)g_class;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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audiofilter_class = (GstAudiofilterClass *)g_class;
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#if 0
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g_object_class_install_property(gobject_class, ARG_METHOD,
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g_param_spec_enum("method","method","method",
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GST_TYPE_AUDIOTEMPLATE_METHOD, GST_AUDIOTEMPLATE_METHOD_1,
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G_PARAM_READWRITE));
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#endif
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gobject_class->set_property = gst_audiofilter_template_set_property;
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gobject_class->get_property = gst_audiofilter_template_get_property;
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audiofilter_class->setup = gst_audiofilter_template_setup;
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audiofilter_class->filter = gst_audiofilter_template_filter;
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audiofilter_class->filter_inplace = gst_audiofilter_template_filter_inplace;
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audiofilter_class->filter = NULL;
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}
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static void
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gst_audiofilter_template_init (GTypeInstance *instance, gpointer g_class)
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{
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//GstAudiofilterTemplate *audiofilter_template = GST_AUDIOFILTER_TEMPLATE (instance);
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//GstAudiofilter *audiofilter = GST_AUDIOFILTER (instance);
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GST_DEBUG ("gst_audiofilter_template_init");
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/* do stuff */
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}
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static void
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gst_audiofilter_template_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
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{
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GstAudiofilterTemplate *src;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail(GST_IS_AUDIOFILTER_TEMPLATE(object));
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src = GST_AUDIOFILTER_TEMPLATE(object);
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GST_DEBUG("gst_audiofilter_template_set_property");
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switch (prop_id) {
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default:
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break;
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}
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}
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static void
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gst_audiofilter_template_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
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{
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GstAudiofilterTemplate *src;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail(GST_IS_AUDIOFILTER_TEMPLATE(object));
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src = GST_AUDIOFILTER_TEMPLATE(object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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plugin_init (GstPlugin *plugin)
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{
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if (!gst_library_load ("gstaudiofilter"))
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return FALSE;
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return gst_element_register (plugin, "audiofiltertemplate", GST_RANK_NONE,
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GST_TYPE_AUDIOFILTER_TEMPLATE);
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}
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GST_PLUGIN_DEFINE (
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"gstaudiofilter_template",
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"Audio filter template",
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plugin_init,
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VERSION,
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"LGPL",
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GST_PACKAGE,
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GST_ORIGIN
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)
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static void
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gst_audiofilter_template_setup (GstAudiofilter *audiofilter)
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{
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GstAudiofilterTemplate *audiofilter_template;
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g_return_if_fail (GST_IS_AUDIOFILTER_TEMPLATE (audiofilter));
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audiofilter_template = GST_AUDIOFILTER_TEMPLATE (audiofilter);
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/* if any setup needs to be done, do it here */
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}
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/* You may choose to implement either a copying filter or an
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* in-place filter (or both). Implementing only one will give
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* full functionality, however, implementing both will cause
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* audiofilter to use the optimal function in every situation,
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* with a minimum of memory copies. */
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static void
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gst_audiofilter_template_filter (GstAudiofilter *audiofilter,
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GstBuffer *outbuf, GstBuffer *inbuf)
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{
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GstAudiofilterTemplate *audiofilter_template;
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g_return_if_fail (GST_IS_AUDIOFILTER_TEMPLATE (audiofilter));
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audiofilter_template = GST_AUDIOFILTER_TEMPLATE (audiofilter);
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/* do something interesting here. This simply copies the source
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* to the destination. */
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memcpy (GST_BUFFER_DATA (outbuf), GST_BUFFER_DATA (inbuf),
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audiofilter->size);
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}
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static void
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gst_audiofilter_template_filter_inplace (GstAudiofilter *audiofilter,
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GstBuffer *buf)
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{
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GstAudiofilterTemplate *audiofilter_template;
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g_return_if_fail (GST_IS_AUDIOFILTER_TEMPLATE (audiofilter));
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audiofilter_template = GST_AUDIOFILTER_TEMPLATE (audiofilter);
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/* do something interesting here. This simply copies the source
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* to the destination. */
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}
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