mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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253 lines
6.7 KiB
C
253 lines
6.7 KiB
C
/* 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 <gstvideofilter.h>
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#include <string.h>
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#define GST_TYPE_VIDEOTEMPLATE \
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(gst_videotemplate_get_type())
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#define GST_VIDEOTEMPLATE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOTEMPLATE,GstVideotemplate))
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#define GST_VIDEOTEMPLATE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEOTEMPLATE,GstVideotemplateClass))
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#define GST_IS_VIDEOTEMPLATE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOTEMPLATE))
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#define GST_IS_VIDEOTEMPLATE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEOTEMPLATE))
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typedef struct _GstVideotemplate GstVideotemplate;
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typedef struct _GstVideotemplateClass GstVideotemplateClass;
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struct _GstVideotemplate
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{
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GstVideofilter videofilter;
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};
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struct _GstVideotemplateClass
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{
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GstVideofilterClass parent_class;
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};
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/* GstVideotemplate signals and args */
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enum
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{
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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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{
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ARG_0
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/* FILL ME */
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};
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static void gst_videotemplate_base_init (gpointer g_class);
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static void gst_videotemplate_class_init (gpointer g_class,
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gpointer class_data);
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static void gst_videotemplate_init (GTypeInstance * instance, gpointer g_class);
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static void gst_videotemplate_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_videotemplate_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_videotemplate_planar411 (GstVideofilter * videofilter,
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void *dest, void *src);
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static void gst_videotemplate_setup (GstVideofilter * videofilter);
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GType
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gst_videotemplate_get_type (void)
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{
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static GType videotemplate_type = 0;
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if (!videotemplate_type) {
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static const GTypeInfo videotemplate_info = {
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sizeof (GstVideotemplateClass),
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gst_videotemplate_base_init,
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NULL,
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gst_videotemplate_class_init,
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NULL,
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NULL,
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sizeof (GstVideotemplate),
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0,
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gst_videotemplate_init,
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};
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videotemplate_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
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"GstVideotemplate", &videotemplate_info, 0);
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}
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return videotemplate_type;
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}
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static GstVideofilterFormat gst_videotemplate_formats[] = {
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{"I420", 12, gst_videotemplate_planar411,},
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};
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static void
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gst_videotemplate_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
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int i;
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gst_element_class_set_details_simple (element_class, "Video filter template",
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"Filter/Effect/Video",
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"Template for a video filter", "David Schleef <ds@schleef.org>");
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for (i = 0; i < G_N_ELEMENTS (gst_videotemplate_formats); i++) {
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gst_videofilter_class_add_format (videofilter_class,
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gst_videotemplate_formats + i);
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}
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gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
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}
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static void
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gst_videotemplate_class_init (gpointer g_class, gpointer class_data)
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{
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GObjectClass *gobject_class;
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GstVideofilterClass *videofilter_class;
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gobject_class = G_OBJECT_CLASS (g_class);
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videofilter_class = GST_VIDEOFILTER_CLASS (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_VIDEOTEMPLATE_METHOD, GST_VIDEOTEMPLATE_METHOD_1,
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G_PARAM_READWRITE));
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#endif
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gobject_class->set_property = gst_videotemplate_set_property;
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gobject_class->get_property = gst_videotemplate_get_property;
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videofilter_class->setup = gst_videotemplate_setup;
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}
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static void
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gst_videotemplate_init (GTypeInstance * instance, gpointer g_class)
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{
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GstVideotemplate *videotemplate = GST_VIDEOTEMPLATE (instance);
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GstVideofilter *videofilter;
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GST_DEBUG ("gst_videotemplate_init");
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videofilter = GST_VIDEOFILTER (videotemplate);
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/* do stuff */
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}
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static void
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gst_videotemplate_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstVideotemplate *src;
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g_return_if_fail (GST_IS_VIDEOTEMPLATE (object));
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src = GST_VIDEOTEMPLATE (object);
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GST_DEBUG ("gst_videotemplate_set_property");
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switch (prop_id) {
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#if 0
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case ARG_METHOD:
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src->method = g_value_get_enum (value);
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break;
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#endif
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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_videotemplate_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstVideotemplate *src;
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g_return_if_fail (GST_IS_VIDEOTEMPLATE (object));
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src = GST_VIDEOTEMPLATE (object);
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switch (prop_id) {
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#if 0
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case ARG_METHOD:
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g_value_set_enum (value, src->method);
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break;
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#endif
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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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return gst_element_register (plugin, "videotemplate", GST_RANK_NONE,
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GST_TYPE_VIDEOTEMPLATE);
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"videotemplate",
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"Template for a video filter",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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static void gst_videotemplate_setup (GstVideofilter * videofilter)
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{
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GstVideotemplate *videotemplate;
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g_return_if_fail (GST_IS_VIDEOTEMPLATE (videofilter));
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videotemplate = GST_VIDEOTEMPLATE (videofilter);
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/* if any setup needs to be done, do it here */
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}
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static void
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gst_videotemplate_planar411 (GstVideofilter * videofilter,
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void *dest, void *src)
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{
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GstVideotemplate *videotemplate;
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int width = gst_videofilter_get_input_width (videofilter);
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int height = gst_videofilter_get_input_height (videofilter);
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g_return_if_fail (GST_IS_VIDEOTEMPLATE (videofilter));
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videotemplate = GST_VIDEOTEMPLATE (videofilter);
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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 (dest, src, width * height + (width / 2) * (height / 2) * 2);
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}
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