Commit 1bdd2c9c authored by David Schleef's avatar David Schleef

Add videoflip, created from template.

Original commit message from CVS:
Add videoflip, created from template.
parent 23e47de3
plugindir = $(libdir)/gstreamer-@GST_MAJORMINOR@
plugin_LTLIBRARIES = libgstvideofilter.la
plugin_LTLIBRARIES = libgstvideofilter.la libgstvideoflip.la
noinst_LTLIBRARIES = libgstvideoexample.la
noinst_HEADERS = gstvideofilter.h gstvideoexample.h
noinst_HEADERS = gstvideofilter.h gstvideoexample.h gstvideoflip.h
EXTRA_DIST = gstvideotemplate.c gstvideotemplate.h make_filter
EXTRA_CLEAN = gstvideoexample.c gstvideoexample.h
libgstvideofilter_la_SOURCES = gstvideofilter.c
libgstvideofilter_la_CFLAGS = $(GST_CFLAGS)
......@@ -17,6 +18,11 @@ libgstvideoexample_la_CFLAGS = $(GST_CFLAGS)
libgstvideoexample_la_LIBADD =
libgstvideoexample_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstvideoflip_la_SOURCES = gstvideoflip.c
libgstvideoflip_la_CFLAGS = $(GST_CFLAGS)
libgstvideoflip_la_LIBADD =
libgstvideoflip_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
# no, this doesn't work if $(srcdir) != (builddir)
gstvideoexample.c gstvideoexample.h: $(srcdir)/make_filter \
......
/* 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.
*/
/*#define DEBUG_ENABLED */
#include <gstvideoflip.h>
/* elementfactory information */
static GstElementDetails videoflip_details = {
"Video Filter Template",
"Filter/Video",
"LGPL",
"Template for a video filter",
VERSION,
"David Schleef <ds@schleef.org>",
"(C) 2003",
};
/* GstVideoflip signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
/* FILL ME */
};
static void gst_videoflip_class_init (GstVideoflipClass *klass);
static void gst_videoflip_init (GstVideoflip *videoflip);
static void gst_videoflip_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void gst_videoflip_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static void gst_videoflip_planar411(GstVideofilter *videofilter, void *dest, void *src);
static void gst_videoflip_setup(GstVideofilter *videofilter);
static GstVideoflipClass *this_class = NULL;
static GstVideofilterClass *parent_class = NULL;
static GstElementClass *element_class = NULL;
GType
gst_videoflip_get_type (void)
{
static GType videoflip_type = 0;
if (!videoflip_type) {
static const GTypeInfo videoflip_info = {
sizeof(GstVideoflipClass), NULL,
NULL,
(GClassInitFunc)gst_videoflip_class_init,
NULL,
NULL,
sizeof(GstVideoflip),
0,
(GInstanceInitFunc)gst_videoflip_init,
};
videoflip_type = g_type_register_static(GST_TYPE_VIDEOFILTER, "GstVideoflip", &videoflip_info, 0);
}
return videoflip_type;
}
static GstVideofilterFormat gst_videoflip_formats[] = {
{ "I420", 12, gst_videoflip_planar411, },
};
static void
gst_videoflip_class_init (GstVideoflipClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstVideofilterClass *gstvideofilter_class;
int i;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
gstvideofilter_class = (GstVideofilterClass *)klass;
#if 0
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_METHOD,
g_param_spec_enum("method","method","method",
GST_TYPE_VIDEOFLIP_METHOD, GST_VIDEOFLIP_METHOD_90R,
G_PARAM_READWRITE));
#endif
this_class = klass;
parent_class = g_type_class_ref(GST_TYPE_VIDEOFILTER);
element_class = g_type_class_ref(GST_TYPE_ELEMENT);
gobject_class->set_property = gst_videoflip_set_property;
gobject_class->get_property = gst_videoflip_get_property;
gstvideofilter_class->setup = gst_videoflip_setup;
for(i=0;i<G_N_ELEMENTS(gst_videoflip_formats);i++){
gst_videofilter_class_add_format(parent_class, gst_videoflip_formats + i);
}
}
static GstCaps *gst_videoflip_get_capslist(void)
{
GstVideofilterClass *klass;
klass = g_type_class_ref(GST_TYPE_VIDEOFILTER);
return gst_videofilter_class_get_capslist(klass);
}
static GstPadTemplate *
gst_videoflip_src_template_factory(void)
{
static GstPadTemplate *templ = NULL;
if(!templ){
GstCaps *caps = GST_CAPS_NEW("src","video/raw",
"width", GST_PROPS_INT_RANGE (0, G_MAXINT),
"height", GST_PROPS_INT_RANGE (0, G_MAXINT));
caps = gst_caps_intersect(caps, gst_videoflip_get_capslist ());
templ = GST_PAD_TEMPLATE_NEW("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps);
}
return templ;
}
static GstPadTemplate *
gst_videoflip_sink_template_factory(void)
{
static GstPadTemplate *templ = NULL;
if(!templ){
GstCaps *caps = GST_CAPS_NEW("sink","video/raw",
"width", GST_PROPS_INT_RANGE (0, G_MAXINT),
"height", GST_PROPS_INT_RANGE (0, G_MAXINT));
caps = gst_caps_intersect(caps, gst_videoflip_get_capslist ());
templ = GST_PAD_TEMPLATE_NEW("src", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
}
return templ;
}
static void
gst_videoflip_init (GstVideoflip *videoflip)
{
GstVideofilter *videofilter;
GST_DEBUG("gst_videoflip_init");
videofilter = GST_VIDEOFILTER(videoflip);
videofilter->sinkpad = gst_pad_new_from_template (
GST_PAD_TEMPLATE_GET (gst_videoflip_sink_template_factory),
"sink");
videofilter->srcpad = gst_pad_new_from_template (
GST_PAD_TEMPLATE_GET (gst_videoflip_src_template_factory),
"src");
gst_videofilter_postinit(GST_VIDEOFILTER(videoflip));
}
static void
gst_videoflip_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstVideoflip *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_VIDEOFLIP(object));
src = GST_VIDEOFLIP(object);
GST_DEBUG("gst_videoflip_set_property");
switch (prop_id) {
#if 0
case ARG_METHOD:
src->method = g_value_get_enum (value);
break;
#endif
default:
break;
}
}
static void
gst_videoflip_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstVideoflip *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_VIDEOFLIP(object));
src = GST_VIDEOFLIP(object);
switch (prop_id) {
#if 0
case ARG_METHOD:
g_value_set_enum (value, src->method);
break;
#endif
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
if(!gst_library_load("gstvideofilter"))
return FALSE;
/* create an elementfactory for the videoflip element */
factory = gst_element_factory_new("videoflip",GST_TYPE_VIDEOFLIP,
&videoflip_details);
g_return_val_if_fail(factory != NULL, FALSE);
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (gst_videoflip_sink_template_factory));
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (gst_videoflip_src_template_factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
return TRUE;
}
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"videoflip",
plugin_init
};
static void gst_videoflip_setup(GstVideofilter *videofilter)
{
GstVideoflip *videoflip;
g_return_if_fail(GST_IS_VIDEOFLIP(videofilter));
videoflip = GST_VIDEOFLIP(videofilter);
/* if any setup needs to be done, do it here */
}
static void gst_videoflip_planar411(GstVideofilter *videofilter,
void *dest, void *src)
{
GstVideoflip *videoflip;
g_return_if_fail(GST_IS_VIDEOFLIP(videofilter));
videoflip = GST_VIDEOFLIP(videofilter);
/* do something interesting here */
}
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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.
*/
#ifndef __GST_VIDEOFLIP_H__
#define __GST_VIDEOFLIP_H__
#include <config.h>
#include <gst/gst.h>
#include "gstvideofilter.h"
G_BEGIN_DECLS
#define GST_TYPE_VIDEOFLIP \
(gst_videoflip_get_type())
#define GST_VIDEOFLIP(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOFLIP,GstVideoflip))
#define GST_VIDEOFLIP_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEOFLIP,GstVideoflipClass))
#define GST_IS_VIDEOFLIP(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOFLIP))
#define GST_IS_VIDEOFLIP_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEOFLIP))
typedef struct _GstVideoflip GstVideoflip;
typedef struct _GstVideoflipClass GstVideoflipClass;
struct _GstVideoflip {
GstVideofilter videofilter;
};
struct _GstVideoflipClass {
GstVideofilterClass parent_class;
};
GType gst_videoflip_get_type(void);
G_END_DECLS
#endif /* __GST_VIDEOFLIP_H__ */
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