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Make warpTV a subclass of videofilter

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Original commit message from CVS:
Make warpTV a subclass of videofilter
This commit is contained in:
David Schleef 2004-01-07 10:16:09 +00:00
parent 08797649fb
commit 1756816071
4 changed files with 188 additions and 166 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2004-01-07 David Schleef <ds@schleef.org>
* gst/videofilter/gstvideotemplate.c:
* gst/videofilter/gstvideotemplate.h:
* gst/videofilter/make_filter:
Merge videotemplate header into source file.
* gst/effectv/Makefile.am:
* gst/effectv/gsteffectv.c: (plugin_init):
* gst/effectv/gstwarp.c:
Make warpTV a subclass of videofilter.
2004-01-07 Benjamin Otte <in7y118@public.uni-hamburg.de> 2004-01-07 Benjamin Otte <in7y118@public.uni-hamburg.de>
* ext/mad/gstid3tag.c: (gst_mad_id3_to_tag_list): * ext/mad/gstid3tag.c: (gst_mad_id3_to_tag_list):

2
gst/effectv/Makefile.am
View file

@ -2,7 +2,7 @@
plugin_LTLIBRARIES = libgsteffectv.la plugin_LTLIBRARIES = libgsteffectv.la
libgsteffectv_la_SOURCES = gsteffectv.c gstedge.c gstaging.c gstdice.c gstwarp.c gstshagadelic.c gstvertigo.c gstrev.c gstquark.c libgsteffectv_la_SOURCES = gsteffectv.c gstedge.c gstaging.c gstdice.c gstwarp.c gstshagadelic.c gstvertigo.c gstrev.c gstquark.c
libgsteffectv_la_CFLAGS = $(GST_CFLAGS) libgsteffectv_la_CFLAGS = $(GST_CFLAGS) -I$(top_srcdir)/gst/videofilter
libgsteffectv_la_LIBADD = libgsteffectv_la_LIBADD =
libgsteffectv_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) libgsteffectv_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)

3
gst/effectv/gsteffectv.c
View file

@ -70,6 +70,9 @@ plugin_init (GstPlugin * plugin)
{ {
gint i = 0; gint i = 0;
if (!gst_library_load ("gstvideofilter"))
return FALSE;
while (_elements[i].name) { while (_elements[i].name) {
if (!gst_element_register (plugin, _elements[i].name, if (!gst_element_register (plugin, _elements[i].name,
GST_RANK_NONE, (_elements[i].type) ())) GST_RANK_NONE, (_elements[i].type) ()))

338
gst/effectv/gstwarp.c
View file

@ -1,11 +1,11 @@
/* GStreamer /* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2003> David Schleef <ds@schleef.org>
* *
* EffecTV - Realtime Digital Video Effector * EffecTV - Realtime Digital Video Effector
* Copyright (C) 2001 FUKUCHI Kentarou * Copyright (C) 2001 FUKUCHI Kentarou
* *
* EffecTV is free software. This library is free software; * This library is free software; you can redistribute it and/or
* you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either * License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version. * version 2 of the License, or (at your option) any later version.
@ -19,8 +19,14 @@
* License along with this library; if not, write to the * License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA. * Boston, MA 02111-1307, USA.
*/
* From main.c of warp-1.1:
/*
* This file was (probably) generated from gstvideotemplate.c,
* gstvideotemplate.c,v 1.11 2004/01/07 08:56:45 ds Exp
*/
/* From main.c of warp-1.1:
* *
* Simple DirectMedia Layer demo * Simple DirectMedia Layer demo
* Realtime picture 'gooing' * Realtime picture 'gooing'
@ -30,21 +36,24 @@
#ifdef HAVE_CONFIG_H #ifdef HAVE_CONFIG_H
#include "config.h" #include "config.h"
#endif #endif
#include <gst/gst.h>
#include <gstvideofilter.h>
#include <string.h> #include <string.h>
#include <math.h> #include <math.h>
#include <gst/gst.h>
#include "gsteffectv.h" #include "gsteffectv.h"
#ifndef M_PI #ifndef M_PI
#define M_PI 3.14159265358979323846 #define M_PI 3.14159265358979323846
#endif #endif
#define GST_TYPE_WARPTV \ #define GST_TYPE_WARPTV \
(gst_warptv_get_type()) (gst_warptv_get_type())
#define GST_WARPTV(obj) \ #define GST_WARPTV(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WARPTV,GstWarpTV)) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WARPTV,GstWarpTV))
#define GST_WARPTV_CLASS(klass) \ #define GST_WARPTV_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstWarpTV)) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WARPTV,GstWarpTVClass))
#define GST_IS_WARPTV(obj) \ #define GST_IS_WARPTV(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WARPTV)) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WARPTV))
#define GST_IS_WARPTV_CLASS(obj) \ #define GST_IS_WARPTV_CLASS(obj) \
@ -53,11 +62,8 @@
typedef struct _GstWarpTV GstWarpTV; typedef struct _GstWarpTV GstWarpTV;
typedef struct _GstWarpTVClass GstWarpTVClass; typedef struct _GstWarpTVClass GstWarpTVClass;
struct _GstWarpTV struct _GstWarpTV {
{ GstVideofilter videofilter;
GstElement element;
GstPad *sinkpad, *srcpad;
gint width, height; gint width, height;
gint *offstable; gint *offstable;
@ -67,133 +73,192 @@ struct _GstWarpTV
gint tval; gint tval;
}; };
struct _GstWarpTVClass struct _GstWarpTVClass {
{ GstVideofilterClass parent_class;
GstElementClass parent_class;
}; };
/* elementfactory information */
static GstElementDetails gst_warptv_details = GST_ELEMENT_DETAILS (
"WarpTV",
"Filter/Effect/Video",
"WarpTV does realtime goo'ing of the video input",
"Sam Lantinga <slouken@devolution.com>"
);
/* GstWarpTV signals and args */
/* Filter signals and args */ enum {
enum
{
/* FILL ME */ /* FILL ME */
LAST_SIGNAL LAST_SIGNAL
}; };
enum enum {
{
ARG_0, ARG_0,
/* FILL ME */
}; };
static void gst_warptv_base_init (gpointer g_class); static void gst_warptv_base_init (gpointer g_class);
static void gst_warptv_class_init (GstWarpTVClass * klass); static void gst_warptv_class_init (gpointer g_class, gpointer class_data);
static void gst_warptv_init (GstWarpTV * filter); static void gst_warptv_init (GTypeInstance *instance, gpointer g_class);
static void gst_warptv_initialize (GstWarpTV *filter); 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_set_property (GObject * object, guint prop_id, static void gst_warptv_setup(GstVideofilter *videofilter);
const GValue * value, GParamSpec * pspec); static void initSinTable (GstWarpTV *filter);
static void gst_warptv_get_property (GObject * object, guint prop_id, static void initOffsTable (GstWarpTV *filter);
GValue * value, GParamSpec * pspec); static void initDistTable (GstWarpTV *filter);
static void gst_warptv_rgb32 (GstVideofilter *videofilter, void *d, void *s);
static void gst_warptv_chain (GstPad * pad, GstData *_data); GType
gst_warptv_get_type (void)
static GstElementClass *parent_class = NULL;
/*static guint gst_warptv_signals[LAST_SIGNAL] = { 0 }; */
GType gst_warptv_get_type (void)
{ {
static GType warptv_type = 0; static GType warptv_type = 0;
if (!warptv_type) { if (!warptv_type) {
static const GTypeInfo warptv_info = { static const GTypeInfo warptv_info = {
sizeof (GstWarpTVClass), sizeof(GstWarpTVClass),
gst_warptv_base_init, gst_warptv_base_init,
NULL, NULL,
(GClassInitFunc) gst_warptv_class_init, gst_warptv_class_init,
NULL, NULL,
NULL, NULL,
sizeof (GstWarpTV), sizeof(GstWarpTV),
0, 0,
(GInstanceInitFunc) gst_warptv_init, gst_warptv_init,
}; };
warptv_type = g_type_register_static(GST_TYPE_VIDEOFILTER,
warptv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstWarpTV", &warptv_info, 0); "GstWarpTV", &warptv_info, 0);
} }
return warptv_type; return warptv_type;
} }
static GstVideofilterFormat gst_warptv_formats[] = {
{ "RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0x00ff0000, 0x0000ff00, 0x000000ff },
{ "RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0xff000000, 0x00ff0000, 0x0000ff00 },
{ "RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0x000000ff, 0x0000ff00, 0x00ff0000 },
{ "RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0x0000ff00, 0x00ff0000, 0xff000000 },
};
static void static void
gst_warptv_base_init (gpointer g_class) gst_warptv_base_init (gpointer g_class)
{ {
static GstElementDetails warptv_details = GST_ELEMENT_DETAILS (
"WarpTV",
"Filter/Effect/Video",
"WarpTV does realtime goo'ing of the video input",
"Sam Lantinga <slouken@devolution.com>"
);
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
int i;
gst_element_class_set_details (element_class, &warptv_details);
gst_element_class_add_pad_template (element_class, for(i=0;i<G_N_ELEMENTS(gst_warptv_formats);i++){
gst_static_pad_template_get (&gst_effectv_src_template)); gst_videofilter_class_add_format(videofilter_class,
gst_element_class_add_pad_template (element_class, gst_warptv_formats + i);
gst_static_pad_template_get (&gst_effectv_sink_template)); }
gst_element_class_set_details (element_class, &gst_warptv_details); gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
} }
static void static void
gst_warptv_class_init (GstWarpTVClass * klass) gst_warptv_class_init (gpointer g_class, gpointer class_data)
{ {
GObjectClass *gobject_class; GObjectClass *gobject_class;
GstElementClass *gstelement_class; GstVideofilterClass *videofilter_class;
gobject_class = (GObjectClass *) klass; gobject_class = G_OBJECT_CLASS (g_class);
gstelement_class = (GstElementClass *) klass; videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
parent_class = g_type_class_ref (GST_TYPE_ELEMENT); #if 0
g_object_class_install_property(gobject_class, ARG_METHOD,
g_param_spec_enum("method","method","method",
GST_TYPE_WARPTV_METHOD, GST_WARPTV_METHOD_1,
G_PARAM_READWRITE));
#endif
gobject_class->set_property = gst_warptv_set_property; gobject_class->set_property = gst_warptv_set_property;
gobject_class->get_property = gst_warptv_get_property; gobject_class->get_property = gst_warptv_get_property;
}
static GstPadLinkReturn videofilter_class->setup = gst_warptv_setup;
gst_warptv_sinkconnect (GstPad * pad, const GstCaps * caps)
{
GstWarpTV *filter;
GstStructure *structure;
filter = GST_WARPTV (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &filter->width);
gst_structure_get_int (structure, "height", &filter->height);
gst_warptv_initialize (filter);
return gst_pad_try_set_caps (filter->srcpad, caps);
} }
static void static void
gst_warptv_init (GstWarpTV * filter) gst_warptv_init (GTypeInstance *instance, gpointer g_class)
{ {
filter->sinkpad = gst_pad_new_from_template ( GstWarpTV *warptv = GST_WARPTV (instance);
gst_static_pad_template_get (&gst_effectv_sink_template), "sink"); GstVideofilter *videofilter;
gst_pad_set_chain_function (filter->sinkpad, gst_warptv_chain);
gst_pad_set_link_function (filter->sinkpad, gst_warptv_sinkconnect);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
filter->srcpad = gst_pad_new_from_template ( GST_DEBUG("gst_warptv_init");
gst_static_pad_template_get (&gst_effectv_src_template), "src");
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->tval = 0; videofilter = GST_VIDEOFILTER(warptv);
filter->disttable = NULL;
filter->offstable = NULL; /* do stuff */
} }
static void
gst_warptv_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstWarpTV *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_WARPTV(object));
src = GST_WARPTV(object);
GST_DEBUG("gst_warptv_set_property");
switch (prop_id) {
#if 0
case ARG_METHOD:
src->method = g_value_get_enum (value);
break;
#endif
default:
break;
}
}
static void
gst_warptv_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstWarpTV *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_WARPTV(object));
src = GST_WARPTV(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 void gst_warptv_setup(GstVideofilter *videofilter)
{
GstWarpTV *warptv;
int width = gst_videofilter_get_input_width(videofilter);
int height = gst_videofilter_get_input_height(videofilter);
g_return_if_fail(GST_IS_WARPTV(videofilter));
warptv = GST_WARPTV(videofilter);
/* if any setup needs to be done, do it here */
warptv->width = width;
warptv->height = height;
warptv->tval = 0;
g_free (warptv->disttable);
g_free (warptv->offstable);
warptv->offstable = (guint32 *) g_malloc (height * sizeof (guint32));
warptv->disttable = g_malloc (width * height * sizeof (guint32));
initSinTable (warptv);
initOffsTable (warptv);
initDistTable (warptv);
}
static void static void
initSinTable (GstWarpTV *filter) initSinTable (GstWarpTV *filter)
@ -246,53 +311,32 @@ initDistTable (GstWarpTV *filter)
#endif #endif
} }
static void static void gst_warptv_rgb32 (GstVideofilter *videofilter,
gst_warptv_initialize (GstWarpTV *filter) void *d, void *s)
{ {
g_free (filter->disttable); GstWarpTV *warptv;
g_free (filter->offstable); int width = gst_videofilter_get_input_width(videofilter);
int height = gst_videofilter_get_input_height(videofilter);
filter->offstable = (guint32 *) g_malloc (filter->height * sizeof (guint32)); guint32 *src = s;
filter->disttable = g_malloc (filter->width * filter->height * sizeof (guint32)); guint32 *dest = d;
initSinTable (filter);
initOffsTable (filter);
initDistTable (filter);
}
static void
gst_warptv_chain (GstPad * pad, GstData *_data)
{
GstBuffer *buf = GST_BUFFER (_data);
GstWarpTV *filter;
guint32 *src, *dest;
gint xw,yw,cw; gint xw,yw,cw;
GstBuffer *outbuf;
gint32 c,i, x,y, dx,dy, maxx, maxy; gint32 c,i, x,y, dx,dy, maxx, maxy;
gint32 width, height, skip, *ctptr, *distptr; gint32 skip, *ctptr, *distptr;
gint32 *sintable, *ctable; gint32 *sintable, *ctable;
filter = GST_WARPTV (gst_pad_get_parent (pad)); g_return_if_fail(GST_IS_WARPTV(videofilter));
warptv = GST_WARPTV(videofilter);
src = (guint32 *) GST_BUFFER_DATA (buf); xw = (gint) (sin ((warptv->tval + 100) * M_PI / 128) * 30);
yw = (gint) (sin ((warptv->tval) * M_PI / 256) * -35);
cw = (gint) (sin ((warptv->tval - 70) * M_PI / 64) * 50);
xw += (gint) (sin ((warptv->tval - 10) * M_PI / 512) * 40);
yw += (gint) (sin ((warptv->tval + 30) * M_PI / 512) * 40);
outbuf = gst_buffer_new (); ctptr = warptv->ctable;
GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * sizeof(guint32)); distptr = warptv->disttable;
dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf)); sintable = warptv->sintable;
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf); ctable = warptv->ctable;
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;; */ skip = 0 ; /* video_width*sizeof(RGB32)/4 - video_width;; */
c = 0; c = 0;
@ -316,47 +360,11 @@ gst_warptv_chain (GstPad * pad, GstData *_data)
if (dy < 0) dy = 0; if (dy < 0) dy = 0;
else if (dy > maxy) dy = maxy; else if (dy > maxy) dy = maxy;
*dest++ = src[filter->offstable[dy] + dx]; *dest++ = src[warptv->offstable[dy] + dx];
} }
dest += skip; dest += skip;
} }
filter->tval = (filter->tval + 1) & 511; warptv->tval = (warptv->tval + 1) & 511;
gst_buffer_unref (buf);
gst_pad_push (filter->srcpad, GST_DATA (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;
}
}