* Authors: Cyril Deguet <asmax@videolan.org>
* Gildas Bazin <gbazin@videolan.org>
* Eric Petit <titer@m0k.org>
+ * Cedric Cocquebert <cedric.cocquebert@supelec.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
#define OPENGL_EFFECT_NONE 1
#define OPENGL_EFFECT_CUBE 2
#define OPENGL_EFFECT_TRANSPARENT_CUBE 4
+#if defined( HAVE_GL_GLU_H ) || defined( SYS_DARWIN )
+ #define OPENGL_MORE_EFFECT 8
+#endif
+
+#ifdef OPENGL_MORE_EFFECT
+ #include <math.h>
+ #ifdef SYS_DARWIN
+ #include <OpenGL/glu.h>
+ #else
+ #include <GL/glu.h>
+ #endif
+/* 3D MODEL */
+ #define CYLINDER 8
+ #define TORUS 16
+ #define SPHERE 32
+/*GRID2D TRANSFORMATION */
+ #define SQUAREXY 64
+ #define SQUARER 128
+ #define ASINXY 256
+ #define ASINR 512
+ #define SINEXY 1024
+ #define SINER 2048
+ #define INIFILE 4096 // not used, just for mark end ...
+ #define SIGN(x) (x < 0 ? (-1) : 1)
+ #define PID2 1.570796326794896619231322
+
+ static char *ppsz_effects[] = {
+ "none", "cube", "transparent-cube", "cylinder", "torus", "sphere","SQUAREXY","SQUARER", "ASINXY", "ASINR", "SINEXY", "SINER" };
+ static char *ppsz_effects_text[] = {
+ N_("None"), N_("Cube"), N_("Transparent Cube"),
+ N_("Cylinder"), N_("Torus"), N_("Sphere"), N_("SQUAREXY"),N_("SQUARER"), N_("ASINXY"), N_("ASINR"), N_("SINEXY"), N_("SINER") };
+#endif
/*****************************************************************************
* Vout interface
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-#define SPEED_TEXT N_( "OpenGL cube rotation speed" )
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
+#ifdef OPENGL_MORE_EFFECT
+#define ACCURACY_TEXT N_( "OpenGL sampling accuracy " )
+#define ACCURACY_LONGTEXT N_( "Select the accuracy of 3D object sampling(1 = min and 10 = max)" )
+#define RADIUS_TEXT N_( "OpenGL Cylinder radius" )
+#define RADIUS_LONGTEXT N_( "Radius of the OpenGL cylinder effect, if enabled" )
+#define POV_X_TEXT N_("Point of view x-coordinate")
+#define POV_X_LONGTEXT N_("Point of view (X coordinate) of the cube/cylinder "\
+ "effect, if enabled.")
+#define POV_Y_TEXT N_("Point of view y-coordinate")
+#define POV_Y_LONGTEXT N_("Point of view (Y coordinate) of the cube/cylinder "\
+ "effect, if enabled.")
+#define POV_Z_TEXT N_("Point of view z-coordinate")
+#define POV_Z_LONGTEXT N_("Point of view (Z coordinate) of the cube/cylinder "\
+ "effect, if enabled.")
+#endif
#define SPEED_TEXT N_( "OpenGL cube rotation speed" )
#define SPEED_LONGTEXT N_( "Rotation speed of the OpenGL cube effect, if " \
"enabled." )
-
#define EFFECT_TEXT N_("Effect")
#define EFFECT_LONGTEXT N_( \
"Several visual OpenGL effects are available." )
+#ifndef OPENGL_MORE_EFFECT
static char *ppsz_effects[] = {
"none", "cube", "transparent-cube" };
static char *ppsz_effects_text[] = {
N_("None"), N_("Cube"), N_("Transparent Cube") };
+#endif
vlc_module_begin();
set_shortname( "OpenGL" );
add_shortcut( "opengl" );
add_float( "opengl-cube-speed", 2.0, NULL, SPEED_TEXT,
SPEED_LONGTEXT, VLC_TRUE );
+#ifdef OPENGL_MORE_EFFECT
+ add_integer_with_range( "opengl-accuracy", 4, 1, 10, NULL, ACCURACY_TEXT,
+ ACCURACY_LONGTEXT, VLC_TRUE );
+ add_float_with_range( "opengl-pov-x", 0.0, -1.0, 1.0, NULL, POV_X_TEXT,
+ POV_X_LONGTEXT, VLC_TRUE );
+ add_float_with_range( "opengl-pov-y", 0.0, -1.0, 1.0, NULL, POV_Y_TEXT,
+ POV_Y_LONGTEXT, VLC_TRUE );
+ add_float_with_range( "opengl-pov-z", -1.0, -1.0, 1.0, NULL, POV_Z_TEXT,
+ POV_Z_LONGTEXT, VLC_TRUE );
+ add_float( "opengl-cylinder-radius", -100.0, NULL, RADIUS_TEXT,
+ RADIUS_LONGTEXT, VLC_TRUE );
+
+#endif
set_callbacks( CreateVout, DestroyVout );
add_string( "opengl-effect", "none", NULL, EFFECT_TEXT,
EFFECT_LONGTEXT, VLC_FALSE );
- change_string_list( ppsz_effects, ppsz_effects_text, 0 );
+ change_string_list( ppsz_effects, ppsz_effects_text, 0 );
vlc_module_end();
/*****************************************************************************
int i_effect;
float f_speed;
+ float f_radius;
};
/*****************************************************************************
}
p_sys->f_speed = var_CreateGetFloat( p_vout, "opengl-cube-speed" );
+ p_sys->f_radius = var_CreateGetFloat( p_vout, "opengl-cylinder-radius" );
p_vout->pf_init = Init;
p_vout->pf_end = End;
/* Forward events from the opengl provider */
var_Create( p_sys->p_vout, "mouse-x", VLC_VAR_INTEGER );
var_Create( p_sys->p_vout, "mouse-y", VLC_VAR_INTEGER );
- var_Create( p_sys->p_vout, "mouse-moved", VLC_VAR_BOOL );
+ var_Create( p_sys->p_vout, "mouse-moved/", VLC_VAR_BOOL );
var_Create( p_sys->p_vout, "mouse-clicked", VLC_VAR_INTEGER );
var_Create( p_sys->p_vout, "mouse-button-down", VLC_VAR_INTEGER );
var_Create( p_sys->p_vout, "video-on-top",
p_sys->i_effect = OPENGL_EFFECT_CUBE;
glEnable( GL_CULL_FACE);
- //glEnable( GL_DEPTH_TEST );
}
else if( !strcmp( val.psz_string, "transparent-cube" ) )
{
}
else
{
+#ifdef OPENGL_MORE_EFFECT
+ p_sys->i_effect = 3;
+ while (( strcmp( val.psz_string, ppsz_effects[p_sys->i_effect]) ) && (pow(2,p_sys->i_effect) < INIFILE))
+ {
+ p_sys->i_effect ++;
+ }
+ if (pow(2,p_sys->i_effect) < INIFILE)
+ p_sys->i_effect = pow(2,p_sys->i_effect);
+ else if ( strcmp( val.psz_string, ppsz_effects[p_sys->i_effect]))
+ {
+ msg_Warn( p_vout, "no valid opengl effect provided, using "
+ "\"none\"" );
+ p_sys->i_effect = OPENGL_EFFECT_NONE;
+ }
+#else
msg_Warn( p_vout, "no valid opengl effect provided, using "
"\"none\"" );
p_sys->i_effect = OPENGL_EFFECT_NONE;
+#endif
}
if( val.psz_string ) free( val.psz_string );
glLoadIdentity();
glTranslatef( 0.0, 0.0, - 5.0 );
}
+#ifdef OPENGL_MORE_EFFECT
+ else
+ {
+ /* Set the perpective */
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 3.0, 20.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -3.0 );
+ float f_pov_x, f_pov_y, f_pov_z;
+ f_pov_x = var_CreateGetFloat( p_vout, "opengl-pov-x");
+ f_pov_y = var_CreateGetFloat( p_vout, "opengl-pov-y");
+ f_pov_z = var_CreateGetFloat( p_vout, "opengl-pov-z");
+ gluLookAt(0, 0, 0, f_pov_x, f_pov_y, f_pov_z, 0, 1, 0);
+ }
+#endif
if( p_sys->p_vout->pf_unlock )
{
p_sys->p_vout->pf_unlock( p_sys->p_vout );
if( p_sys->pp_buffer[0] ) free( p_sys->pp_buffer[0] );
if( p_sys->pp_buffer[1] ) free( p_sys->pp_buffer[1] );
+ glDeleteTextures( 2, p_sys->p_textures );
+
free( p_sys );
}
switch( p_sys->i_effect )
{
case OPENGL_EFFECT_CUBE:
+#ifdef OPENGL_MORE_EFFECT
+ case CYLINDER:
+ case TORUS:
+ case SPHERE:
+ case SQUAREXY:
+ case SQUARER:
+ case ASINXY:
+ case ASINR:
+ case SINEXY:
+ case SINER:
+#endif
glEnable( GL_CULL_FACE );
break;
glLoadIdentity();
glTranslatef( 0.0, 0.0, - 5.0 );
}
+#ifdef OPENGL_MORE_EFFECT
+ else
+ {
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, 3.0, 20.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -3.0 );
+
+ float f_pov_x, f_pov_y, f_pov_z;
+ f_pov_x = var_CreateGetFloat( p_vout, "opengl-pov-x");
+ f_pov_y = var_CreateGetFloat( p_vout, "opengl-pov-y");
+ f_pov_z = var_CreateGetFloat( p_vout, "opengl-pov-z");
+ gluLookAt(0, 0, 0, f_pov_x, f_pov_y, f_pov_z, 0, 1, 0);
+ }
+#endif
}
if( p_sys->p_vout->pf_unlock )
}
}
+
+#ifdef OPENGL_MORE_EFFECT
+/*****************************************************************************
+ * Transform: Calculate the distorted grid coordinates
+ *****************************************************************************/
+void Transform(float p, int distortion, float width, float height,int i, int j, int i_visible_width, int i_visible_height, double *ix,double *iy)
+{
+ double x,y,xnew,ynew;
+ double r,theta,rnew,thetanew;
+
+ x = (double)i * (width / ((double)i_visible_width));
+ y = (double)j * (height / ((double)i_visible_height));
+
+ x = (2.0 * (double)x / width) - 1;
+ y = (2.0 * (double)y / height) - 1;
+ xnew = x;
+ ynew = y;
+ r = sqrt(x*x+y*y);
+ theta = atan2(y,x);
+
+ switch (distortion)
+ {
+/* GRID2D TRANSFORMATION */
+ case SINEXY:
+ xnew = sin(PID2*x);
+ ynew = sin(PID2*y);
+ break;
+ case SINER:
+ rnew = sin(PID2*r);
+ thetanew = theta;
+ xnew = rnew * cos(thetanew);
+ ynew = rnew * sin(thetanew);
+ break;
+ case SQUAREXY:
+ xnew = x*x*SIGN(x);
+ ynew = y*y*SIGN(y);
+ break;
+ case SQUARER:
+ rnew = r*r;
+ thetanew = theta;
+ xnew = rnew * cos(thetanew);
+ ynew = rnew * sin(thetanew);
+ break;
+ case ASINXY:
+ xnew = asin(x) / PID2;
+ ynew = asin(y) / PID2;
+ break;
+ case ASINR:
+ rnew = asin(r) / PID2;
+ thetanew = theta;
+ xnew = rnew * cos(thetanew);
+ ynew = rnew * sin(thetanew);
+ break;
+/* OTHER WAY: 3D MODEL */
+ default:
+ xnew = x;
+ ynew = y;
+ }
+
+ *ix = width * (xnew + 1) / (2.0);
+ *iy = height * (ynew + 1) / (2.0);
+}
+
+
+/*****************************************************************************
+ * Z_Compute: Calculate the Z-coordinate
+ *****************************************************************************/
+float Z_Compute(float p, int distortion, float x, float y)
+{
+ float f_z = 0.0;
+ double d_p = p / 100.0;
+
+ switch (distortion)
+ {
+/* 3D MODEL */
+ case CYLINDER:
+ if (d_p > 0)
+ f_z = (1 - d_p * d_p) / (2 * d_p) - sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x));
+ else
+ f_z = (1 - d_p * d_p) / (2 * d_p) + d_p + sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x));
+ break;
+ case TORUS:
+ if (d_p > 0)
+ f_z = (1 - d_p * d_p) / (d_p) - sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x)) - sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - y * y));
+ else
+ f_z = (1 - d_p * d_p) / (d_p) + 2 * d_p + sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x)) + sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - y * y));
+ break;
+ case SPHERE:
+ if (d_p > 0)
+ f_z = (1 - d_p * d_p) / (2 * d_p) - sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x - y * y));
+ else
+ f_z = (1 - d_p * d_p) / (2 * d_p) + d_p + sqrt(fabs((d_p * d_p + 1) / (2 * d_p) * (d_p * d_p + 1) / (2 * d_p) - x * x - y * y));
+ break;
+/* OTHER WAY: GRID2D TRANSFORMATION */
+ case SINEXY:;
+ case SINER:
+ case SQUAREXY:
+ case SQUARER:;
+ case ASINXY:
+ case ASINR:
+ f_z = 0.0;
+ break;
+ default:
+ f_z = 0.0;
+ }
+ return f_z;
+}
+#endif
+
+
/*****************************************************************************
* DisplayVideo: displays previously rendered output
*****************************************************************************/
glEnd();
}
else
- {
+#ifdef OPENGL_MORE_EFFECT
+ if ((p_sys->i_effect > OPENGL_EFFECT_TRANSPARENT_CUBE) ||
+ ((p_sys->i_effect == OPENGL_EFFECT_NONE)))
+ {
+ unsigned int i_i, i_j;
+ unsigned int i_accuracy = config_GetInt( p_vout, "opengl-accuracy");
+ unsigned int i_n = pow(2, i_accuracy);
+ unsigned int i_n_x = (p_vout->fmt_out.i_visible_width / (i_n * 2));
+ unsigned int i_n_y = (p_vout->fmt_out.i_visible_height / i_n);
+ double d_x, d_y;
+ int i_distortion = p_sys->i_effect;
+ float f_p = p_sys->f_radius;
+
+ glEnable( VLCGL_TARGET );
+ glBegin(GL_QUADS);
+ for (i_i = 0; i_i < p_vout->fmt_out.i_visible_width; i_i += i_n_x)
+ {
+ if ( i_i == i_n_x * i_n / 2) i_n_x += p_vout->fmt_out.i_visible_width % i_n;
+ if ((i_i == (p_vout->fmt_out.i_visible_width / i_n) * i_n / 2 + i_n_x) &&
+ (p_vout->fmt_out.i_visible_width / i_n != i_n_x))
+ i_n_x -= p_vout->fmt_out.i_visible_width % i_n;
+
+ int i_m;
+ int i_index_max = 0;
+
+ for (i_j = 0; i_j < p_vout->fmt_out.i_visible_height; i_j += i_n_y)
+ {
+ if ( i_j == i_n_y * i_n / 2) i_n_y += p_vout->fmt_out.i_visible_height % i_n;
+ if ((i_j == (p_vout->fmt_out.i_visible_height / i_n) * i_n / 2 + i_n_y) &&
+ (p_vout->fmt_out.i_visible_height / i_n != i_n_y))
+ i_n_y -= p_vout->fmt_out.i_visible_height % i_n;
+
+ for (i_m = i_index_max; i_m < i_index_max + 4; i_m++)
+ {
+ int i_k = ((i_m % 4) == 1) || ((i_m % 4) == 2);
+ int i_l = ((i_m % 4) == 2) || ((i_m % 4) == 3);
+
+ Transform(f_p, i_distortion, f_width, f_height, i_i + i_k * i_n_x, i_j + i_l * i_n_y, p_vout->fmt_out.i_visible_width, p_vout->fmt_out.i_visible_height, &d_x, &d_y);
+ glTexCoord2f(f_x + d_x, f_y + d_y);
+ d_x = - 1.0 + 2.0 * ((double)(i_k * i_n_x + i_i) / (double)p_vout->fmt_out.i_visible_width);
+ d_y = 1.0 - 2.0 * (((double)i_l * i_n_y + i_j) / (double)p_vout->fmt_out.i_visible_height);
+ glVertex3f((float)d_x, (float)d_y, Z_Compute(f_p, i_distortion, (float)d_x, (float)d_y));
+ }
+ }
+ }
+ glEnd();
+ }
+ else
+#endif
+ {
glRotatef( 0.5 * p_sys->f_speed , 0.3, 0.5, 0.7 );
glEnable( VLCGL_TARGET );
projects / vlc / commitdiff