gstreamer/subprojects/gst-plugins-good/gst/goom/goom_plugin_info.h

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/* Goom Project
* Copyright (C) <2003> iOS-Software
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _PLUGIN_INFO_H
#define _PLUGIN_INFO_H
#include "goom_typedefs.h"
#include "goom_config.h"
#include "goom_graphic.h"
#include "goom_config_param.h"
#include "goom_visual_fx.h"
#include "goom_filters.h"
#include "goom_tools.h"
typedef struct {
char drawIFS;
char drawPoints;
char drawTentacle;
char drawScope;
int farScope;
int rangemin;
int rangemax;
} GoomState;
#define STATES_MAX_NB 128
/*
* Gives informations about the sound.
*/
struct _SOUND_INFO {
/* nota : a Goom is just a sound event... */
int timeSinceLastGoom; /* >= 0 */
float goomPower; /* power of the last Goom [0..1] */
int timeSinceLastBigGoom; /* >= 0 */
float volume; /* [0..1] */
short samples[2][512];
/* other "internal" datas for the sound_tester */
float goom_limit; /* auto-updated limit of goom_detection */
float bigGoomLimit;
float accelvar; /* acceleration of the sound - [0..1] */
float speedvar; /* speed of the sound - [0..100] */
int allTimesMax;
int totalgoom; /* number of goom since last reset
* (a reset every 64 cycles) */
float prov_max; /* accel max since last reset */
int cycle;
/* private */
PluginParam volume_p;
PluginParam speed_p;
PluginParam accel_p;
PluginParam goom_limit_p;
PluginParam goom_power_p;
PluginParam last_goom_p;
PluginParam last_biggoom_p;
PluginParam biggoom_speed_limit_p;
PluginParam biggoom_factor_p;
PluginParameters params; /* contains the previously defined parameters. */
};
/*
* Allows FXs to know the current state of the plugin.
*/
struct _PLUGIN_INFO {
/* public datas */
int nbParams;
PluginParameters *params;
/* private datas */
struct _SIZE_TYPE {
int width;
int height;
int size; /* == screen.height * screen.width. */
} screen;
SoundInfo sound;
int nbVisuals;
VisualFX **visuals; /* pointers on all the visual fx */
/* The known FX */
VisualFX convolve_fx;
VisualFX star_fx;
VisualFX zoomFilter_fx;
VisualFX tentacles_fx;
VisualFX ifs_fx;
/* image buffers */
guint32 *pixel;
guint32 *back;
Pixel *p1, *p2;
Pixel *conv;
Pixel *outputBuf;
/* state of goom */
guint32 cycle;
GoomState states[STATES_MAX_NB];
int statesNumber;
int statesRangeMax;
GoomState *curGState;
/* effet de ligne.. */
GMLine *gmline1;
GMLine *gmline2;
/* sinus table */
int sintable[0x10000];
/* INTERNALS */
/* goom_update internals.
* I took all static variables from goom_update and put them here.. for the moment.
*/
struct {
int lockvar; /* pour empecher de nouveaux changements */
int goomvar; /* boucle des gooms */
int loopvar; /* mouvement des points */
int stop_lines;
int ifs_incr; /* dessiner l'ifs (0 = non: > = increment) */
int decay_ifs; /* disparition de l'ifs */
int recay_ifs; /* dedisparition de l'ifs */
int cyclesSinceLastChange; /* nombre de Cycle Depuis Dernier Changement */
int drawLinesDuration; /* duree de la transition entre afficher les lignes ou pas */
int lineMode; /* l'effet lineaire a dessiner */
float switchMultAmount; /* SWITCHMULT (29.0f/30.0f) */
int switchIncrAmount; /* 0x7f */
float switchMult; /* 1.0f */
int switchIncr; /* = SWITCHINCR; */
int stateSelectionRnd;
int stateSelectionBlocker;
int previousZoomSpeed;
ZoomFilterData zoomFilterData;
} update;
struct {
void (*draw_line) (Pixel *data, int x1, int y1, int x2, int y2, int col, int screenx, int screeny);
void (*zoom_filter) (int sizeX, int sizeY, Pixel *src, Pixel *dest, int *brutS, int *brutD, int buffratio, int precalCoef[16][16]);
} methods;
GoomRandom *gRandom;
};
void plugin_info_init(PluginInfo *p, int nbVisual);
void plugin_info_free(PluginInfo *p);
/* i = [0..p->nbVisual-1] */
void plugin_info_add_visual(PluginInfo *p, int i, VisualFX *visual);
#endif