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Added some more components to port effectv

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Original commit message from CVS:
Added some more components to port effectv
This commit is contained in:
Wim Taymans 2002-04-23 22:17:01 +00:00
parent 191ef94d89
commit 49ae2189ae
5 changed files with 627 additions and 312 deletions
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4
gst/effectv/Makefile.am
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@ -2,8 +2,10 @@ plugindir = $(libdir)/gst
plugin_LTLIBRARIES = libgsteffectv.la
libgsteffectv_la_SOURCES = gsteffectv.c
libgsteffectv_la_SOURCES = gsteffectv.c gstedge.c gstaging.c
libgsteffectv_la_CFLAGS = $(GST_CFLAGS)
libgsteffectv_la_LIBADD =
libgsteffectv_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS = gsteffectv.h

219
gst/effectv/gstaging.c Normal file
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@ -0,0 +1,219 @@
/* 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.
*/
#include <string.h>
#include "gsteffectv.h"
#define GST_TYPE_AGINGTV \
(gst_agingtv_get_type())
#define GST_AGINGTV(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AGINGTV,GstAgingTV))
#define GST_AGINGTV_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstAgingTV))
#define GST_IS_AGINGTV(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AGINGTV))
#define GST_IS_AGINGTV_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AGINGTV))
typedef struct _GstAgingTV GstAgingTV;
typedef struct _GstAgingTVClass GstAgingTVClass;
struct _GstAgingTV
{
GstElement element;
GstPad *sinkpad, *srcpad;
gint width, height;
gint map_width, map_height;
guint32 *map;
gint video_width_margin;
};
struct _GstAgingTVClass
{
GstElementClass parent_class;
};
GstElementDetails gst_agingtv_details = {
"AgingTV",
"Filter/Effect",
"Aply edge detect on video",
VERSION,
"Wim Taymans <wim.taymans@chello.be>",
"(C) 2002",
};
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
};
static void gst_agingtv_class_init (GstAgingTVClass * klass);
static void gst_agingtv_init (GstAgingTV * filter);
static void gst_agingtv_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_agingtv_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_agingtv_chain (GstPad * pad, GstBuffer * buf);
static GstElementClass *parent_class = NULL;
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
GType gst_agingtv_get_type (void)
{
static GType agingtv_type = 0;
if (!agingtv_type) {
static const GTypeInfo agingtv_info = {
sizeof (GstAgingTVClass), NULL,
NULL,
(GClassInitFunc) gst_agingtv_class_init,
NULL,
NULL,
sizeof (GstAgingTV),
0,
(GInstanceInitFunc) gst_agingtv_init,
};
agingtv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstAgingTV", &agingtv_info, 0);
}
return agingtv_type;
}
static void
gst_agingtv_class_init (GstAgingTVClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_agingtv_set_property;
gobject_class->get_property = gst_agingtv_get_property;
}
static GstPadConnectReturn
gst_agingtv_sinkconnect (GstPad * pad, GstCaps * caps)
{
GstAgingTV *filter;
filter = GST_AGINGTV (gst_pad_get_parent (pad));
if (!GST_CAPS_IS_FIXED (caps))
return GST_PAD_CONNECT_DELAYED;
gst_caps_get_int (caps, "width", &filter->width);
gst_caps_get_int (caps, "height", &filter->height);
filter->map_width = filter->width / 4;
filter->map_height = filter->height / 4;
filter->video_width_margin = filter->width - filter->map_width * 4;
g_free (filter->map);
filter->map = (guint32 *)g_malloc (filter->map_width * filter->map_height * sizeof(guint32) * 2);
bzero(filter->map, filter->map_width * filter->map_height * sizeof(guint32) * 2);
if (gst_pad_try_set_caps (filter->srcpad, caps)) {
return GST_PAD_CONNECT_OK;
}
return GST_PAD_CONNECT_REFUSED;
}
static void
gst_agingtv_init (GstAgingTV * filter)
{
filter->sinkpad = gst_pad_new_from_template (gst_effectv_sink_factory (), "sink");
gst_pad_set_chain_function (filter->sinkpad, gst_agingtv_chain);
gst_pad_set_connect_function (filter->sinkpad, gst_agingtv_sinkconnect);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
filter->srcpad = gst_pad_new_from_template (gst_effectv_src_factory (), "src");
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->map = NULL;
}
static void
gst_agingtv_chain (GstPad * pad, GstBuffer * buf)
{
GstAgingTV *filter;
guint32 *src, *dest;
GstBuffer *outbuf;
filter = GST_AGINGTV (gst_pad_get_parent (pad));
src = (guint32 *) GST_BUFFER_DATA (buf);
outbuf = gst_buffer_new ();
GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * 4);
dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
gst_buffer_unref (buf);
gst_pad_push (filter->srcpad, outbuf);
}
static void
gst_agingtv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstAgingTV *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_AGINGTV (object));
filter = GST_AGINGTV (object);
switch (prop_id) {
default:
break;
}
}
static void
gst_agingtv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
GstAgingTV *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_AGINGTV (object));
filter = GST_AGINGTV (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}

302
gst/effectv/gstedge.c Normal file
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@ -0,0 +1,302 @@
/* 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.
*/
#include <string.h>
#include <gst/gst.h>
#include "gsteffectv.h"
#define GST_TYPE_EFFECTV \
(gst_edgetv_get_type())
#define GST_EFFECTV(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_EFFECTV,GstEdgeTV))
#define GST_EFFECTV_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstEdgeTV))
#define GST_IS_EFFECTV(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_EFFECTV))
#define GST_IS_EFFECTV_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_EFFECTV))
typedef struct _GstEdgeTV GstEdgeTV;
typedef struct _GstEdgeTVClass GstEdgeTVClass;
struct _GstEdgeTV
{
GstElement element;
GstPad *sinkpad, *srcpad;
gint width, height;
gint map_width, map_height;
guint32 *map;
gint video_width_margin;
};
struct _GstEdgeTVClass
{
GstElementClass parent_class;
};
GstElementDetails gst_edgetv_details = {
"EdgeTV",
"Filter/Effect",
"Aply edge detect on video",
VERSION,
"Wim Taymans <wim.taymans@chello.be>",
"(C) 2002",
};
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
};
static void gst_edgetv_class_init (GstEdgeTVClass * klass);
static void gst_edgetv_init (GstEdgeTV * filter);
static void gst_edgetv_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_edgetv_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_edgetv_chain (GstPad * pad, GstBuffer * buf);
static GstElementClass *parent_class = NULL;
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
GType gst_edgetv_get_type (void)
{
static GType edgetv_type = 0;
if (!edgetv_type) {
static const GTypeInfo edgetv_info = {
sizeof (GstEdgeTVClass), NULL,
NULL,
(GClassInitFunc) gst_edgetv_class_init,
NULL,
NULL,
sizeof (GstEdgeTV),
0,
(GInstanceInitFunc) gst_edgetv_init,
};
edgetv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstEdgeTV", &edgetv_info, 0);
}
return edgetv_type;
}
static void
gst_edgetv_class_init (GstEdgeTVClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_edgetv_set_property;
gobject_class->get_property = gst_edgetv_get_property;
}
static GstPadConnectReturn
gst_edgetv_sinkconnect (GstPad * pad, GstCaps * caps)
{
GstEdgeTV *filter;
filter = GST_EFFECTV (gst_pad_get_parent (pad));
if (!GST_CAPS_IS_FIXED (caps))
return GST_PAD_CONNECT_DELAYED;
gst_caps_get_int (caps, "width", &filter->width);
gst_caps_get_int (caps, "height", &filter->height);
filter->map_width = filter->width / 4;
filter->map_height = filter->height / 4;
filter->video_width_margin = filter->width - filter->map_width * 4;
g_free (filter->map);
filter->map = (guint32 *)g_malloc (filter->map_width * filter->map_height * sizeof(guint32) * 2);
bzero(filter->map, filter->map_width * filter->map_height * sizeof(guint32) * 2);
if (gst_pad_try_set_caps (filter->srcpad, caps)) {
return GST_PAD_CONNECT_OK;
}
return GST_PAD_CONNECT_REFUSED;
}
static void
gst_edgetv_init (GstEdgeTV * filter)
{
filter->sinkpad = gst_pad_new_from_template (gst_effectv_sink_factory (), "sink");
gst_pad_set_chain_function (filter->sinkpad, gst_edgetv_chain);
gst_pad_set_connect_function (filter->sinkpad, gst_edgetv_sinkconnect);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
filter->srcpad = gst_pad_new_from_template (gst_effectv_src_factory (), "src");
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->map = NULL;
}
static void
gst_edgetv_chain (GstPad * pad, GstBuffer * buf)
{
GstEdgeTV *filter;
int x, y;
int r, g, b;
guint32 *src, *dest;
guint32 p, q;
guint32 v0, v1, v2, v3;
GstBuffer *outbuf;
filter = GST_EFFECTV (gst_pad_get_parent (pad));
src = (guint32 *) GST_BUFFER_DATA (buf);
outbuf = gst_buffer_new ();
GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * 4);
dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
src += filter->width * 4 + 4;
dest += filter->width * 4 + 4;
for (y = 1; y < filter->map_height - 1; y++) {
for (x = 1; x < filter->map_width - 1; x++) {
p = *src;
q = *(src - 4);
/* difference between the current pixel and right neighbor. */
r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
g = ((p & 0xff00) - (q & 0xff00)) >> 8;
b = (p & 0xff) - (q & 0xff);
r *= r;
g *= g;
b *= b;
r = r >> 5; /* To lack the lower bit for saturated addition, */
g = g >> 5; /* devide the value with 32, instead of 16. It is */
b = b >> 4; /* same as `v2 &= 0xfefeff' */
if (r > 127)
r = 127;
if (g > 127)
g = 127;
if (b > 255)
b = 255;
v2 = (r << 17) | (g << 9) | b;
/* difference between the current pixel and upper neighbor. */
q = *(src - filter->width * 4);
r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
g = ((p & 0xff00) - (q & 0xff00)) >> 8;
b = (p & 0xff) - (q & 0xff);
r *= r;
g *= g;
b *= b;
r = r >> 5;
g = g >> 5;
b = b >> 4;
if (r > 127)
r = 127;
if (g > 127)
g = 127;
if (b > 255)
b = 255;
v3 = (r << 17) | (g << 9) | b;
v0 = filter->map[(y - 1) * filter->map_width * 2 + x * 2];
v1 = filter->map[y * filter->map_width * 2 + (x - 1) * 2 + 1];
filter->map[y * filter->map_width * 2 + x * 2] = v2;
filter->map[y * filter->map_width * 2 + x * 2 + 1] = v3;
r = v0 + v1;
g = r & 0x01010100;
dest[0] = r | (g - (g >> 8));
r = v0 + v3;
g = r & 0x01010100;
dest[1] = r | (g - (g >> 8));
dest[2] = v3;
dest[3] = v3;
r = v2 + v1;
g = r & 0x01010100;
dest[filter->width] = r | (g - (g >> 8));
r = v2 + v3;
g = r & 0x01010100;
dest[filter->width + 1] = r | (g - (g >> 8));
dest[filter->width + 2] = v3;
dest[filter->width + 3] = v3;
dest[filter->width * 2] = v2;
dest[filter->width * 2 + 1] = v2;
dest[filter->width * 3] = v2;
dest[filter->width * 3 + 1] = v2;
src += 4;
dest += 4;
}
src += filter->width * 3 + 8 + filter->video_width_margin;
dest += filter->width * 3 + 8 + filter->video_width_margin;
}
gst_buffer_unref (buf);
gst_pad_push (filter->srcpad, outbuf);
}
static void
gst_edgetv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstEdgeTV *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_EFFECTV (object));
filter = GST_EFFECTV (object);
switch (prop_id) {
default:
break;
}
}
static void
gst_edgetv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
GstEdgeTV *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_EFFECTV (object));
filter = GST_EFFECTV (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}

385
gst/effectv/gsteffectv.c
View file

@ -19,339 +19,102 @@
#include <string.h>
#include <gst/gst.h>
#include "gsteffectv.h"
#define GST_TYPE_EFFECTV \
(gst_effectv_get_type())
#define GST_EFFECTV(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_EFFECTV,GstEffecTV))
#define GST_EFFECTV_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstEffecTV))
#define GST_IS_EFFECTV(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_EFFECTV))
#define GST_IS_EFFECTV_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_EFFECTV))
typedef struct _GstEffecTV GstEffecTV;
typedef struct _GstEffecTVClass GstEffecTVClass;
struct _GstEffecTV
{
GstElement element;
GstPad *sinkpad, *srcpad;
gint width, height;
gint map_width, map_height;
guint32 *map;
gint video_width_margin;
struct _elements_entry {
gchar *name;
GType (*type) (void);
GstElementDetails *details;
gboolean (*factoryinit) (GstElementFactory *factory);
};
struct _GstEffecTVClass
{
GstElementClass parent_class;
};
static GstElementDetails effectv_details = {
"EffecTV",
"Filter/Effect",
"Aply edge detect on video",
VERSION,
"Wim Taymans <wim.taymans@chello.be>",
"(C) 2002",
static struct _elements_entry _elements[] = {
{ "edgeTV", gst_edgetv_get_type, &gst_edgetv_details, NULL },
{ "agingTV", gst_agingtv_get_type, &gst_agingtv_details, NULL },
{ NULL, 0 },
};
/* Filter signals and args */
enum
GstPadTemplate*
gst_effectv_src_factory (void)
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
};
GST_PAD_TEMPLATE_FACTORY (effectv_src_factory,
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"effectv_src",
"video/raw",
"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
"bpp", GST_PROPS_INT (32),
"depth", GST_PROPS_INT (32),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"red_mask", GST_PROPS_INT (0xff0000),
"green_mask", GST_PROPS_INT (0xff00),
"blue_mask", GST_PROPS_INT (0xff),
"width", GST_PROPS_INT_RANGE (16, 4096),
"height", GST_PROPS_INT_RANGE (16, 4096)
)
)
GST_PAD_TEMPLATE_FACTORY (effectv_sink_factory,
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"effectv_src",
"video/raw",
"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
"bpp", GST_PROPS_INT (32),
"depth", GST_PROPS_INT (32),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"red_mask", GST_PROPS_INT (0xff0000),
"green_mask", GST_PROPS_INT (0xff00),
"blue_mask", GST_PROPS_INT (0xff),
"width", GST_PROPS_INT_RANGE (16, 4096),
"height", GST_PROPS_INT_RANGE (16, 4096)
)
)
static GType gst_effectv_get_type (void);
static void gst_effectv_class_init (GstEffecTVClass * klass);
static void gst_effectv_init (GstEffecTV * filter);
static void gst_effectv_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_effectv_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_effectv_chain (GstPad * pad, GstBuffer * buf);
static GstElementClass *parent_class = NULL;
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
static GType gst_effectv_get_type (void)
{
static GType effectv_type = 0;
if (!effectv_type) {
static const GTypeInfo effectv_info = {
sizeof (GstEffecTVClass), NULL,
NULL,
(GClassInitFunc) gst_effectv_class_init,
NULL,
NULL,
sizeof (GstEffecTV),
0,
(GInstanceInitFunc) gst_effectv_init,
};
effectv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstEffecTV", &effectv_info, 0);
static GstPadTemplate *templ = NULL;
if (!templ) {
templ = GST_PAD_TEMPLATE_NEW (
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"effectv_src",
"video/raw",
"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
"bpp", GST_PROPS_INT (32),
"depth", GST_PROPS_INT (32),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"red_mask", GST_PROPS_INT (0xff0000),
"green_mask", GST_PROPS_INT (0xff00),
"blue_mask", GST_PROPS_INT (0xff),
"width", GST_PROPS_INT_RANGE (16, 4096),
"height", GST_PROPS_INT_RANGE (16, 4096)
)
);
}
return effectv_type;
return templ;
}
static void
gst_effectv_class_init (GstEffecTVClass * klass)
GstPadTemplate*
gst_effectv_sink_factory (void)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_effectv_set_property;
gobject_class->get_property = gst_effectv_get_property;
}
static GstPadConnectReturn
gst_effectv_sinkconnect (GstPad * pad, GstCaps * caps)
{
GstEffecTV *filter;
filter = GST_EFFECTV (gst_pad_get_parent (pad));
if (!GST_CAPS_IS_FIXED (caps))
return GST_PAD_CONNECT_DELAYED;
gst_caps_get_int (caps, "width", &filter->width);
gst_caps_get_int (caps, "height", &filter->height);
filter->map_width = filter->width / 4;
filter->map_height = filter->height / 4;
filter->video_width_margin = filter->width - filter->map_width * 4;
g_free (filter->map);
filter->map = (guint32 *)g_malloc (filter->map_width * filter->map_height * sizeof(guint32) * 2);
bzero(filter->map, filter->map_width * filter->map_height * sizeof(guint32) * 2);
if (gst_pad_try_set_caps (filter->srcpad, caps)) {
return GST_PAD_CONNECT_OK;
}
return GST_PAD_CONNECT_REFUSED;
}
static void
gst_effectv_init (GstEffecTV * filter)
{
filter->sinkpad = gst_pad_new_from_template (effectv_sink_factory (), "sink");
gst_pad_set_chain_function (filter->sinkpad, gst_effectv_chain);
gst_pad_set_connect_function (filter->sinkpad, gst_effectv_sinkconnect);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
filter->srcpad = gst_pad_new_from_template (effectv_src_factory (), "src");
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->map = NULL;
}
static void
gst_effectv_chain (GstPad * pad, GstBuffer * buf)
{
GstEffecTV *filter;
int x, y;
int r, g, b;
guint32 *src, *dest;
guint32 p, q;
guint32 v0, v1, v2, v3;
GstBuffer *outbuf;
filter = GST_EFFECTV (gst_pad_get_parent (pad));
src = (guint32 *) GST_BUFFER_DATA (buf);
outbuf = gst_buffer_new ();
GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * 4);
dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
src += filter->width * 4 + 4;
dest += filter->width * 4 + 4;
for (y = 1; y < filter->map_height - 1; y++) {
for (x = 1; x < filter->map_width - 1; x++) {
p = *src;
q = *(src - 4);
/* difference between the current pixel and right neighbor. */
r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
g = ((p & 0xff00) - (q & 0xff00)) >> 8;
b = (p & 0xff) - (q & 0xff);
r *= r;
g *= g;
b *= b;
r = r >> 5; /* To lack the lower bit for saturated addition, */
g = g >> 5; /* devide the value with 32, instead of 16. It is */
b = b >> 4; /* same as `v2 &= 0xfefeff' */
if (r > 127)
r = 127;
if (g > 127)
g = 127;
if (b > 255)
b = 255;
v2 = (r << 17) | (g << 9) | b;
/* difference between the current pixel and upper neighbor. */
q = *(src - filter->width * 4);
r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
g = ((p & 0xff00) - (q & 0xff00)) >> 8;
b = (p & 0xff) - (q & 0xff);
r *= r;
g *= g;
b *= b;
r = r >> 5;
g = g >> 5;
b = b >> 4;
if (r > 127)
r = 127;
if (g > 127)
g = 127;
if (b > 255)
b = 255;
v3 = (r << 17) | (g << 9) | b;
v0 = filter->map[(y - 1) * filter->map_width * 2 + x * 2];
v1 = filter->map[y * filter->map_width * 2 + (x - 1) * 2 + 1];
filter->map[y * filter->map_width * 2 + x * 2] = v2;
filter->map[y * filter->map_width * 2 + x * 2 + 1] = v3;
r = v0 + v1;
g = r & 0x01010100;
dest[0] = r | (g - (g >> 8));
r = v0 + v3;
g = r & 0x01010100;
dest[1] = r | (g - (g >> 8));
dest[2] = v3;
dest[3] = v3;
r = v2 + v1;
g = r & 0x01010100;
dest[filter->width] = r | (g - (g >> 8));
r = v2 + v3;
g = r & 0x01010100;
dest[filter->width + 1] = r | (g - (g >> 8));
dest[filter->width + 2] = v3;
dest[filter->width + 3] = v3;
dest[filter->width * 2] = v2;
dest[filter->width * 2 + 1] = v2;
dest[filter->width * 3] = v2;
dest[filter->width * 3 + 1] = v2;
src += 4;
dest += 4;
}
src += filter->width * 3 + 8 + filter->video_width_margin;
dest += filter->width * 3 + 8 + filter->video_width_margin;
}
gst_buffer_unref (buf);
gst_pad_push (filter->srcpad, outbuf);
}
static void
gst_effectv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstEffecTV *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_EFFECTV (object));
filter = GST_EFFECTV (object);
switch (prop_id) {
default:
break;
}
}
static void
gst_effectv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
GstEffecTV *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_EFFECTV (object));
filter = GST_EFFECTV (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
static GstPadTemplate *templ = NULL;
if (!templ) {
templ = GST_PAD_TEMPLATE_NEW (
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_CAPS_NEW (
"effectv_sink",
"video/raw",
"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
"bpp", GST_PROPS_INT (32),
"depth", GST_PROPS_INT (32),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"red_mask", GST_PROPS_INT (0xff0000),
"green_mask", GST_PROPS_INT (0xff00),
"blue_mask", GST_PROPS_INT (0xff),
"width", GST_PROPS_INT_RANGE (16, 4096),
"height", GST_PROPS_INT_RANGE (16, 4096)
)
);
}
return templ;
}
static gboolean
plugin_init (GModule * module, GstPlugin * plugin)
{
GstElementFactory *factory;
gint i = 0;
factory = gst_element_factory_new ("edgeTV", GST_TYPE_EFFECTV, &effectv_details);
g_return_val_if_fail (factory != NULL, FALSE);
while (_elements[i].name) {
factory = gst_element_factory_new (_elements[i].name,
(_elements[i].type) (),
_elements[i].details);
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (effectv_src_factory));
gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (effectv_sink_factory));
if (!factory) {
g_warning ("gst_effecttv_new failed for `%s'",
_elements[i].name);
continue;
}
gst_element_factory_add_pad_template (factory, gst_effectv_src_factory ());
gst_element_factory_add_pad_template (factory, gst_effectv_sink_factory ());
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
if (_elements[i].factoryinit) {
_elements[i].factoryinit (factory);
}
i++;
}
return TRUE;
}

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/* 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.
*/
#include <gst/gst.h>
GType gst_edgetv_get_type (void);
extern GstElementDetails gst_edgetv_details;
GType gst_agingtv_get_type (void);
extern GstElementDetails gst_agingtv_details;
extern GstPadTemplate *gst_effectv_sink_factory ();
extern GstPadTemplate *gst_effectv_src_factory ();