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Some cleanups ported the ber cool warp plugin.

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Original commit message from CVS:
Some cleanups
ported the ber cool warp plugin.
This commit is contained in:
Wim Taymans 2002-04-24 21:51:24 +00:00
parent 20f880e4bc
commit 14c7c3777b
6 changed files with 362 additions and 11 deletions
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2
gst/effectv/Makefile.am
View file

@ -2,7 +2,7 @@ plugindir = $(libdir)/gst
plugin_LTLIBRARIES = libgsteffectv.la
libgsteffectv_la_SOURCES = gsteffectv.c gstedge.c gstaging.c gstdice.c
libgsteffectv_la_SOURCES = gsteffectv.c gstedge.c gstaging.c gstdice.c gstwarp.c
libgsteffectv_la_CFLAGS = $(GST_CFLAGS)
libgsteffectv_la_LIBADD =
libgsteffectv_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)

2
gst/effectv/gstaging.c
View file

@ -101,7 +101,7 @@ static void gst_agingtv_get_property (GObject * object, guint prop_id,
static void gst_agingtv_chain (GstPad * pad, GstBuffer * buf);
static GstElementClass *parent_class = NULL;
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
/*static guint gst_agingtv_signals[LAST_SIGNAL] = { 0 }; */
GType gst_agingtv_get_type (void)
{

17
gst/effectv/gstedge.c
View file

@ -70,19 +70,18 @@ enum
ARG_0,
};
static void gst_edgetv_class_init (GstEdgeTVClass * klass);
static void gst_edgetv_init (GstEdgeTV * filter);
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_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 void gst_edgetv_chain (GstPad * pad, GstBuffer * buf);
static GstElementClass *parent_class = NULL;
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
/*static guint gst_edgetv_signals[LAST_SIGNAL] = { 0 }; */
GType gst_edgetv_get_type (void)
{

1
gst/effectv/gsteffectv.c
View file

@ -29,6 +29,7 @@ static struct _elements_entry _elements[] = {
{ "edgeTV", gst_edgetv_get_type, &gst_edgetv_details, NULL },
{ "agingTV", gst_agingtv_get_type, &gst_agingtv_details, NULL },
{ "diceTV", gst_dicetv_get_type, &gst_dicetv_details, NULL },
{ "warpTV", gst_warptv_get_type, &gst_warptv_details, NULL },
{ NULL, 0 },
};

3
gst/effectv/gsteffectv.h
View file

@ -24,5 +24,8 @@ extern GstElementDetails gst_agingtv_details;
GType gst_dicetv_get_type (void);
extern GstElementDetails gst_dicetv_details;
GType gst_warptv_get_type (void);
extern GstElementDetails gst_warptv_details;
extern GstPadTemplate *gst_effectv_sink_factory ();
extern GstPadTemplate *gst_effectv_src_factory ();

348
gst/effectv/gstwarp.c Normal file
View file

@ -0,0 +1,348 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* EffecTV is free software. We release this product under the terms of the
* GNU General Public License version 2. The license is included in the file
* COPYING.
*
* This program 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 General Public License for more details.
*/
/*
* EffecTV - Realtime Digital Video Effector
* Copyright (C) 2001 FUKUCHI Kentarou
*
* From main.c of warp-1.1:
*
* Simple DirectMedia Layer demo
* Realtime picture 'gooing'
* Released under GPL
* by sam lantinga slouken@devolution.com
*/
#include <string.h>
#include <math.h>
#include <gst/gst.h>
#include "gsteffectv.h"
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#define GST_TYPE_WARPTV \
(gst_warptv_get_type())
#define GST_WARPTV(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WARPTV,GstWarpTV))
#define GST_WARPTV_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstWarpTV))
#define GST_IS_WARPTV(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WARPTV))
#define GST_IS_WARPTV_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WARPTV))
typedef struct _GstWarpTV GstWarpTV;
typedef struct _GstWarpTVClass GstWarpTVClass;
struct _GstWarpTV
{
GstElement element;
GstPad *sinkpad, *srcpad;
gint width, height;
gint *offstable;
gint32 *disttable;
gint32 ctable[1024];
gint32 sintable[1024+256];
gint tval;
};
struct _GstWarpTVClass
{
GstElementClass parent_class;
};
GstElementDetails gst_warptv_details = {
"WarpTV",
"Filter/Effect",
"WarpTV does realtime goo'ing of the video input",
VERSION,
"Sam Lantinga <slouken@devolution.com>",
"Wim Taymans <wim.taymans@chello.be>, "
"(C) 2001 FUKUCHI Kentarou",
};
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
};
static void gst_warptv_class_init (GstWarpTVClass * klass);
static void gst_warptv_init (GstWarpTV * filter);
static void gst_warptv_initialize (GstWarpTV *filter);
static void gst_warptv_dispose (GObject *object);
static void gst_warptv_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_warptv_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_warptv_chain (GstPad * pad, GstBuffer * buf);
static GstElementClass *parent_class = NULL;
/*static guint gst_warptv_signals[LAST_SIGNAL] = { 0 }; */
GType gst_warptv_get_type (void)
{
static GType warptv_type = 0;
if (!warptv_type) {
static const GTypeInfo warptv_info = {
sizeof (GstWarpTVClass), NULL,
NULL,
(GClassInitFunc) gst_warptv_class_init,
NULL,
NULL,
sizeof (GstWarpTV),
0,
(GInstanceInitFunc) gst_warptv_init,
};
warptv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstWarpTV", &warptv_info, 0);
}
return warptv_type;
}
static void
gst_warptv_class_init (GstWarpTVClass * 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_warptv_set_property;
gobject_class->get_property = gst_warptv_get_property;
gobject_class->dispose = gst_warptv_dispose;
}
static GstPadConnectReturn
gst_warptv_sinkconnect (GstPad * pad, GstCaps * caps)
{
GstWarpTV *filter;
filter = GST_WARPTV (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);
gst_warptv_initialize (filter);
if (gst_pad_try_set_caps (filter->srcpad, caps)) {
return GST_PAD_CONNECT_OK;
}
return GST_PAD_CONNECT_REFUSED;
}
static void
gst_warptv_init (GstWarpTV * filter)
{
filter->sinkpad = gst_pad_new_from_template (gst_effectv_sink_factory (), "sink");
gst_pad_set_chain_function (filter->sinkpad, gst_warptv_chain);
gst_pad_set_connect_function (filter->sinkpad, gst_warptv_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->tval = 0;
}
static void
initSinTable (GstWarpTV *filter)
{
gint32 *tptr, *tsinptr;
double i;
tsinptr = tptr = filter->sintable;
for (i = 0; i < 1024; i++)
*tptr++ = (int) (sin (i * M_PI / 512) * 32767);
for (i = 0; i < 256; i++)
*tptr++ = *tsinptr++;
}
static void
initOffsTable (GstWarpTV *filter)
{
int y;
for (y = 0; y < filter->height; y++) {
filter->offstable[y] = y * filter->width;
}
}
static void
initDistTable (GstWarpTV *filter)
{
gint32 halfw, halfh, *distptr;
#ifdef PS2
float x,y,m;
#else
double x,y,m;
#endif
halfw = filter->width>> 1;
halfh = filter->height >> 1;
distptr = filter->disttable;
m = sqrt ((double)(halfw * halfw + halfh * halfh));
for (y = -halfh; y < halfh; y++)
for (x= -halfw; x < halfw; x++)
#ifdef PS2
*distptr++ = ((int) ((sqrtf (x * x + y * y) * 511.9999) / m)) << 1;
#else
*distptr++ = ((int) ((sqrt (x * x + y * y) * 511.9999) / m)) << 1;
#endif
}
static void
gst_warptv_initialize (GstWarpTV *filter)
{
filter->offstable = (guint32 *) g_malloc (filter->height * sizeof (guint32));
filter->disttable = g_malloc (filter->width * filter->height * sizeof (guint32));
initSinTable (filter);
initOffsTable (filter);
initDistTable (filter);
}
static void
gst_warptv_dispose (GObject *object)
{
GstWarpTV *filter = GST_WARPTV (object);
g_free (filter->disttable);
g_free (filter->offstable);
}
static void
gst_warptv_chain (GstPad * pad, GstBuffer * buf)
{
GstWarpTV *filter;
guint32 *src, *dest;
gint xw,yw,cw;
GstBuffer *outbuf;
gint32 c,i, x,y, dx,dy, maxx, maxy;
gint32 width, height, skip, *ctptr, *distptr;
gint32 *sintable, *ctable;
filter = GST_WARPTV (gst_pad_get_parent (pad));
src = (guint32 *) GST_BUFFER_DATA (buf);
outbuf = gst_buffer_new ();
GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * sizeof(guint32));
dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
xw = (gint) (sin ((filter->tval + 100) * M_PI / 128) * 30);
yw = (gint) (sin ((filter->tval) * M_PI / 256) * -35);
cw = (gint) (sin ((filter->tval - 70) * M_PI / 64) * 50);
xw += (gint) (sin ((filter->tval - 10) * M_PI / 512) * 40);
yw += (gint) (sin ((filter->tval + 30) * M_PI / 512) * 40);
ctptr = filter->ctable;
distptr = filter->disttable;
width = filter->width;
height = filter->height;
sintable = filter->sintable;
ctable = filter->ctable;
skip = 0 ; /* video_width*sizeof(RGB32)/4 - video_width;; */
c = 0;
for (x = 0; x < 512; x++) {
i = (c >> 3) & 0x3FE;
*ctptr++ = ((sintable[i] * yw) >> 15);
*ctptr++ = ((sintable[i + 256] * xw) >> 15);
c += cw;
}
maxx = width - 2; maxy = height - 2;
for (y = 0; y < height - 1; y++) {
for (x = 0; x < width; x++) {
i = *distptr++;
dx = ctable [i + 1] + x;
dy = ctable [i] + y;
if (dx < 0) dx = 0;
else if (dx > maxx) dx = maxx;
if (dy < 0) dy = 0;
else if (dy > maxy) dy = maxy;
*dest++ = src[filter->offstable[dy] + dx];
}
dest += skip;
}
filter->tval = (filter->tval + 1) & 511;
gst_buffer_unref (buf);
gst_pad_push (filter->srcpad, outbuf);
}
static void
gst_warptv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstWarpTV *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_WARPTV (object));
filter = GST_WARPTV (object);
switch (prop_id) {
default:
break;
}
}
static void
gst_warptv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
GstWarpTV *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_WARPTV (object));
filter = GST_WARPTV (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}