mirror of
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Make warpTV a subclass of videofilter
Original commit message from CVS: Make warpTV a subclass of videofilter
This commit is contained in:
David Schleef
parent
08797649fb
commit
1756816071
4 changed files with 188 additions and 166 deletions
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2004-01-07 David Schleef <ds@schleef.org>
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* gst/videofilter/gstvideotemplate.c:
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* gst/videofilter/gstvideotemplate.h:
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* gst/videofilter/make_filter:
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Merge videotemplate header into source file.
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* gst/effectv/Makefile.am:
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* gst/effectv/gsteffectv.c: (plugin_init):
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* gst/effectv/gstwarp.c:
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Make warpTV a subclass of videofilter.
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2004-01-07 Benjamin Otte <in7y118@public.uni-hamburg.de>
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* ext/mad/gstid3tag.c: (gst_mad_id3_to_tag_list):
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@ -2,7 +2,7 @@
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plugin_LTLIBRARIES = libgsteffectv.la
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libgsteffectv_la_SOURCES = gsteffectv.c gstedge.c gstaging.c gstdice.c gstwarp.c gstshagadelic.c gstvertigo.c gstrev.c gstquark.c
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libgsteffectv_la_CFLAGS = $(GST_CFLAGS)
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libgsteffectv_la_CFLAGS = $(GST_CFLAGS) -I$(top_srcdir)/gst/videofilter
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libgsteffectv_la_LIBADD =
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libgsteffectv_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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@ -70,6 +70,9 @@ plugin_init (GstPlugin * plugin)
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{
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gint i = 0;
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if (!gst_library_load ("gstvideofilter"))
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return FALSE;
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while (_elements[i].name) {
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if (!gst_element_register (plugin, _elements[i].name,
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GST_RANK_NONE, (_elements[i].type) ()))
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@ -1,11 +1,11 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2003> David Schleef <ds@schleef.org>
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*
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* EffecTV - Realtime Digital Video Effector
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* Copyright (C) 2001 FUKUCHI Kentarou
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*
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* EffecTV is free software. This library is free software;
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* you can redistribute it and/or
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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@ -19,8 +19,14 @@
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* From main.c of warp-1.1:
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*/
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/*
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* This file was (probably) generated from gstvideotemplate.c,
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* gstvideotemplate.c,v 1.11 2004/01/07 08:56:45 ds Exp
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*/
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/* From main.c of warp-1.1:
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*
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* Simple DirectMedia Layer demo
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* Realtime picture 'gooing'
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@ -30,21 +36,24 @@
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gstvideofilter.h>
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#include <string.h>
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#include <math.h>
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#include <gst/gst.h>
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#include "gsteffectv.h"
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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#define GST_TYPE_WARPTV \
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(gst_warptv_get_type())
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#define GST_WARPTV(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WARPTV,GstWarpTV))
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#define GST_WARPTV_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstWarpTV))
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WARPTV,GstWarpTVClass))
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#define GST_IS_WARPTV(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WARPTV))
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#define GST_IS_WARPTV_CLASS(obj) \
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@ -53,11 +62,8 @@
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typedef struct _GstWarpTV GstWarpTV;
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typedef struct _GstWarpTVClass GstWarpTVClass;
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struct _GstWarpTV
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{
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GstElement element;
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GstPad *sinkpad, *srcpad;
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struct _GstWarpTV {
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GstVideofilter videofilter;
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gint width, height;
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gint *offstable;
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@ -67,133 +73,192 @@ struct _GstWarpTV
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gint tval;
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};
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struct _GstWarpTVClass
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{
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GstElementClass parent_class;
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struct _GstWarpTVClass {
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GstVideofilterClass parent_class;
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};
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/* elementfactory information */
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static GstElementDetails gst_warptv_details = GST_ELEMENT_DETAILS (
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"WarpTV",
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"Filter/Effect/Video",
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"WarpTV does realtime goo'ing of the video input",
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"Sam Lantinga <slouken@devolution.com>"
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);
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/* Filter signals and args */
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enum
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{
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/* GstWarpTV signals and args */
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enum {
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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enum {
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ARG_0,
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/* FILL ME */
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};
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static void gst_warptv_base_init (gpointer g_class);
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static void gst_warptv_class_init (GstWarpTVClass * klass);
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static void gst_warptv_init (GstWarpTV * filter);
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static void gst_warptv_base_init (gpointer g_class);
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static void gst_warptv_class_init (gpointer g_class, gpointer class_data);
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static void gst_warptv_init (GTypeInstance *instance, gpointer g_class);
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static void gst_warptv_initialize (GstWarpTV *filter);
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static void gst_warptv_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
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static void gst_warptv_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
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static void gst_warptv_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_warptv_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_warptv_setup(GstVideofilter *videofilter);
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static void initSinTable (GstWarpTV *filter);
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static void initOffsTable (GstWarpTV *filter);
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static void initDistTable (GstWarpTV *filter);
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static void gst_warptv_rgb32 (GstVideofilter *videofilter, void *d, void *s);
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static void gst_warptv_chain (GstPad * pad, GstData *_data);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_warptv_signals[LAST_SIGNAL] = { 0 }; */
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GType gst_warptv_get_type (void)
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GType
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gst_warptv_get_type (void)
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{
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static GType warptv_type = 0;
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if (!warptv_type) {
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static const GTypeInfo warptv_info = {
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sizeof (GstWarpTVClass),
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sizeof(GstWarpTVClass),
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gst_warptv_base_init,
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NULL,
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(GClassInitFunc) gst_warptv_class_init,
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gst_warptv_class_init,
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NULL,
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NULL,
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sizeof (GstWarpTV),
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sizeof(GstWarpTV),
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0,
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(GInstanceInitFunc) gst_warptv_init,
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gst_warptv_init,
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};
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warptv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstWarpTV", &warptv_info, 0);
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warptv_type = g_type_register_static(GST_TYPE_VIDEOFILTER,
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"GstWarpTV", &warptv_info, 0);
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}
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return warptv_type;
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}
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static GstVideofilterFormat gst_warptv_formats[] = {
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{ "RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0x00ff0000, 0x0000ff00, 0x000000ff },
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{ "RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0xff000000, 0x00ff0000, 0x0000ff00 },
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{ "RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0x000000ff, 0x0000ff00, 0x00ff0000 },
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{ "RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0x0000ff00, 0x00ff0000, 0xff000000 },
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};
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static void
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gst_warptv_base_init (gpointer g_class)
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{
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static GstElementDetails warptv_details = GST_ELEMENT_DETAILS (
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"WarpTV",
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"Filter/Effect/Video",
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"WarpTV does realtime goo'ing of the video input",
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"Sam Lantinga <slouken@devolution.com>"
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);
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
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int i;
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gst_element_class_set_details (element_class, &warptv_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_effectv_src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_effectv_sink_template));
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gst_element_class_set_details (element_class, &gst_warptv_details);
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for(i=0;i<G_N_ELEMENTS(gst_warptv_formats);i++){
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gst_videofilter_class_add_format(videofilter_class,
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gst_warptv_formats + i);
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}
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gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
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}
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static void
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gst_warptv_class_init (GstWarpTVClass * klass)
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gst_warptv_class_init (gpointer g_class, gpointer class_data)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstVideofilterClass *videofilter_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gobject_class = G_OBJECT_CLASS (g_class);
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videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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#if 0
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g_object_class_install_property(gobject_class, ARG_METHOD,
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g_param_spec_enum("method","method","method",
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GST_TYPE_WARPTV_METHOD, GST_WARPTV_METHOD_1,
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G_PARAM_READWRITE));
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#endif
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gobject_class->set_property = gst_warptv_set_property;
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gobject_class->get_property = gst_warptv_get_property;
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}
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static GstPadLinkReturn
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gst_warptv_sinkconnect (GstPad * pad, const GstCaps * caps)
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{
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GstWarpTV *filter;
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GstStructure *structure;
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filter = GST_WARPTV (gst_pad_get_parent (pad));
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_get_int (structure, "width", &filter->width);
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gst_structure_get_int (structure, "height", &filter->height);
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gst_warptv_initialize (filter);
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return gst_pad_try_set_caps (filter->srcpad, caps);
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videofilter_class->setup = gst_warptv_setup;
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}
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static void
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gst_warptv_init (GstWarpTV * filter)
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gst_warptv_init (GTypeInstance *instance, gpointer g_class)
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{
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filter->sinkpad = gst_pad_new_from_template (
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gst_static_pad_template_get (&gst_effectv_sink_template), "sink");
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gst_pad_set_chain_function (filter->sinkpad, gst_warptv_chain);
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gst_pad_set_link_function (filter->sinkpad, gst_warptv_sinkconnect);
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gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
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GstWarpTV *warptv = GST_WARPTV (instance);
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GstVideofilter *videofilter;
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filter->srcpad = gst_pad_new_from_template (
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gst_static_pad_template_get (&gst_effectv_src_template), "src");
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gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
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GST_DEBUG("gst_warptv_init");
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filter->tval = 0;
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filter->disttable = NULL;
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filter->offstable = NULL;
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videofilter = GST_VIDEOFILTER(warptv);
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/* do stuff */
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}
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static void
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gst_warptv_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
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{
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GstWarpTV *src;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail(GST_IS_WARPTV(object));
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src = GST_WARPTV(object);
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GST_DEBUG("gst_warptv_set_property");
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switch (prop_id) {
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#if 0
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case ARG_METHOD:
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src->method = g_value_get_enum (value);
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break;
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#endif
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default:
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break;
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}
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}
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static void
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gst_warptv_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
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{
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GstWarpTV *src;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail(GST_IS_WARPTV(object));
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src = GST_WARPTV(object);
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switch (prop_id) {
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#if 0
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case ARG_METHOD:
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g_value_set_enum (value, src->method);
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break;
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#endif
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void gst_warptv_setup(GstVideofilter *videofilter)
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{
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GstWarpTV *warptv;
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int width = gst_videofilter_get_input_width(videofilter);
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int height = gst_videofilter_get_input_height(videofilter);
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g_return_if_fail(GST_IS_WARPTV(videofilter));
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warptv = GST_WARPTV(videofilter);
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/* if any setup needs to be done, do it here */
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warptv->width = width;
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warptv->height = height;
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warptv->tval = 0;
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g_free (warptv->disttable);
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g_free (warptv->offstable);
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warptv->offstable = (guint32 *) g_malloc (height * sizeof (guint32));
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warptv->disttable = g_malloc (width * height * sizeof (guint32));
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initSinTable (warptv);
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initOffsTable (warptv);
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initDistTable (warptv);
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}
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static void
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initSinTable (GstWarpTV *filter)
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@ -246,53 +311,32 @@ initDistTable (GstWarpTV *filter)
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#endif
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}
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static void
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gst_warptv_initialize (GstWarpTV *filter)
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static void gst_warptv_rgb32 (GstVideofilter *videofilter,
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void *d, void *s)
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{
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g_free (filter->disttable);
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g_free (filter->offstable);
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filter->offstable = (guint32 *) g_malloc (filter->height * sizeof (guint32));
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filter->disttable = g_malloc (filter->width * filter->height * sizeof (guint32));
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initSinTable (filter);
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initOffsTable (filter);
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initDistTable (filter);
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}
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static void
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gst_warptv_chain (GstPad * pad, GstData *_data)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstWarpTV *filter;
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guint32 *src, *dest;
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GstWarpTV *warptv;
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int width = gst_videofilter_get_input_width(videofilter);
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int height = gst_videofilter_get_input_height(videofilter);
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guint32 *src = s;
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guint32 *dest = d;
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gint xw,yw,cw;
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GstBuffer *outbuf;
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gint32 c,i, x,y, dx,dy, maxx, maxy;
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gint32 width, height, skip, *ctptr, *distptr;
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gint32 skip, *ctptr, *distptr;
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gint32 *sintable, *ctable;
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filter = GST_WARPTV (gst_pad_get_parent (pad));
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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;
|
||||
|
|
@ -316,47 +360,11 @@ gst_warptv_chain (GstPad * pad, GstData *_data)
|
|||
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue