/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * Copyright (C) <2003> David Schleef <ds@schleef.org>
*
* EffecTV - Realtime Digital Video Effector
* Copyright (C) 2001 FUKUCHI Kentarou
- *
- * EffecTV is free software. This library is free software;
- * you can redistribute it and/or
+ *
+ * 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.
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* 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
* Realtime picture 'gooing'
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
+
+#include <gst/gst.h>
+#include <gstvideofilter.h>
#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))
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WARPTV,GstWarpTVClass))
#define GST_IS_WARPTV(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WARPTV))
#define GST_IS_WARPTV_CLASS(obj) \
typedef struct _GstWarpTV GstWarpTV;
typedef struct _GstWarpTVClass GstWarpTVClass;
-struct _GstWarpTV
-{
- GstElement element;
-
- GstPad *sinkpad, *srcpad;
+struct _GstWarpTV {
+ GstVideofilter videofilter;
gint width, height;
gint *offstable;
gint tval;
};
-struct _GstWarpTVClass
-{
- GstElementClass parent_class;
+struct _GstWarpTVClass {
+ GstVideofilterClass 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>"
-);
-
-/* Filter signals and args */
-enum
-{
+/* GstWarpTV signals and args */
+enum {
/* FILL ME */
LAST_SIGNAL
};
-enum
-{
+enum {
ARG_0,
+ /* FILL ME */
};
-static void gst_warptv_base_init (gpointer g_class);
-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_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_base_init (gpointer g_class);
+static void gst_warptv_class_init (gpointer g_class, gpointer class_data);
+static void gst_warptv_init (GTypeInstance *instance, gpointer g_class);
-static void gst_warptv_chain (GstPad * pad, GstData *_data);
+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 GstElementClass *parent_class = NULL;
-/*static guint gst_warptv_signals[LAST_SIGNAL] = { 0 }; */
+static void gst_warptv_setup(GstVideofilter *videofilter);
+static void initSinTable (GstWarpTV *filter);
+static void initOffsTable (GstWarpTV *filter);
+static void initDistTable (GstWarpTV *filter);
+static void gst_warptv_rgb32 (GstVideofilter *videofilter, void *d, void *s);
-GType gst_warptv_get_type (void)
+GType
+gst_warptv_get_type (void)
{
static GType warptv_type = 0;
if (!warptv_type) {
static const GTypeInfo warptv_info = {
- sizeof (GstWarpTVClass),
+ sizeof(GstWarpTVClass),
gst_warptv_base_init,
NULL,
- (GClassInitFunc) gst_warptv_class_init,
+ gst_warptv_class_init,
NULL,
NULL,
- sizeof (GstWarpTV),
+ sizeof(GstWarpTV),
0,
- (GInstanceInitFunc) gst_warptv_init,
+ gst_warptv_init,
};
-
- warptv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstWarpTV", &warptv_info, 0);
+ warptv_type = g_type_register_static(GST_TYPE_VIDEOFILTER,
+ "GstWarpTV", &warptv_info, 0);
}
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
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);
+ GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
+ int i;
+
+ gst_element_class_set_details (element_class, &warptv_details);
+
+ for(i=0;i<G_N_ELEMENTS(gst_warptv_formats);i++){
+ gst_videofilter_class_add_format(videofilter_class,
+ gst_warptv_formats + i);
+ }
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_effectv_src_template));
- gst_element_class_add_pad_template (element_class,
- 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
-gst_warptv_class_init (GstWarpTVClass * klass)
+gst_warptv_class_init (gpointer g_class, gpointer class_data)
{
GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
+ GstVideofilterClass *videofilter_class;
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
+ gobject_class = G_OBJECT_CLASS (g_class);
+ 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->get_property = gst_warptv_get_property;
+
+ videofilter_class->setup = gst_warptv_setup;
}
-static GstPadLinkReturn
-gst_warptv_sinkconnect (GstPad * pad, const GstCaps * caps)
+static void
+gst_warptv_init (GTypeInstance *instance, gpointer g_class)
{
- GstWarpTV *filter;
- GstStructure *structure;
+ GstWarpTV *warptv = GST_WARPTV (instance);
+ GstVideofilter *videofilter;
+
+ GST_DEBUG("gst_warptv_init");
+
+ videofilter = GST_VIDEOFILTER(warptv);
- filter = GST_WARPTV (gst_pad_get_parent (pad));
- structure = gst_caps_get_structure (caps, 0);
+ /* do stuff */
+}
- gst_structure_get_int (structure, "width", &filter->width);
- gst_structure_get_int (structure, "height", &filter->height);
+static void
+gst_warptv_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ GstWarpTV *src;
- gst_warptv_initialize (filter);
+ /* 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);
- return gst_pad_try_set_caps (filter->srcpad, caps);
+ 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_init (GstWarpTV * filter)
+gst_warptv_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
- filter->sinkpad = gst_pad_new_from_template (
- gst_static_pad_template_get (&gst_effectv_sink_template), "sink");
- 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_static_pad_template_get (&gst_effectv_src_template), "src");
- gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
-
- filter->tval = 0;
- filter->disttable = NULL;
- filter->offstable = NULL;
+ 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
initSinTable (GstWarpTV *filter)
{
#endif
}
-static void
-gst_warptv_initialize (GstWarpTV *filter)
-{
- g_free (filter->disttable);
- g_free (filter->offstable);
-
- 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_chain (GstPad * pad, GstData *_data)
+static void gst_warptv_rgb32 (GstVideofilter *videofilter,
+ void *d, void *s)
{
- GstBuffer *buf = GST_BUFFER (_data);
- GstWarpTV *filter;
- guint32 *src, *dest;
+ GstWarpTV *warptv;
+ int width = gst_videofilter_get_input_width(videofilter);
+ int height = gst_videofilter_get_input_height(videofilter);
+ guint32 *src = s;
+ guint32 *dest = d;
gint xw,yw,cw;
- GstBuffer *outbuf;
gint32 c,i, x,y, dx,dy, maxx, maxy;
- gint32 width, height, skip, *ctptr, *distptr;
+ gint32 skip, *ctptr, *distptr;
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 ();
- 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;
+ ctptr = warptv->ctable;
+ distptr = warptv->disttable;
+ sintable = warptv->sintable;
+ ctable = warptv->ctable;
skip = 0 ; /* video_width*sizeof(RGB32)/4 - video_width;; */
c = 0;
if (dy < 0) dy = 0;
else if (dy > maxy) dy = maxy;
- *dest++ = src[filter->offstable[dy] + dx];
+ *dest++ = src[warptv->offstable[dy] + dx];
}
dest += skip;
}
- filter->tval = (filter->tval + 1) & 511;
-
- gst_buffer_unref (buf);
-
- gst_pad_push (filter->srcpad, GST_DATA (outbuf));
+ warptv->tval = (warptv->tval + 1) & 511;
}
-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;
- }
-}
projects / platform / upstream / gstreamer.git / commitdiff