# define GL_CLAMP_TO_EDGE 0x812F
#endif
-/* OpenGL effects */
-#define OPENGL_EFFECT_NONE 1
-#define OPENGL_EFFECT_CUBE 2
-#define OPENGL_EFFECT_TRANSPARENT_CUBE 4
-#if defined( HAVE_GL_GLU_H ) || defined( __APPLE__ )
- #define OPENGL_MORE_EFFECT 8
-#endif
-
-#ifdef OPENGL_MORE_EFFECT
- #include <math.h>
- #ifdef __APPLE__
- #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 const char *const ppsz_effects[] = {
- "none", "cube", "transparent-cube", "cylinder", "torus", "sphere","SQUAREXY","SQUARER", "ASINXY", "ASINR", "SINEXY", "SINER" };
- static const char *const 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
*****************************************************************************/
static int SendEvents ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
-#ifdef OPENGL_MORE_EFFECT
-static float Z_Compute ( float, int, float, float );
-static void Transform ( int, float, float, int, int, int, int, double *, double * );
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-#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 PROVIDER_TEXT N_("OpenGL Provider")
#define PROVIDER_LONGTEXT N_("Allows you to modify what OpenGL provider should be used")
-#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 const char *const ppsz_effects[] = {
- "none", "cube", "transparent-cube" };
-static const char *const ppsz_effects_text[] = {
- N_("None"), N_("Cube"), N_("Transparent Cube") };
-#endif
vlc_module_begin ()
set_shortname( "OpenGL" )
set_capability( "video output", 20 )
#endif
add_shortcut( "opengl" )
- add_float( "opengl-cube-speed", 2.0, NULL, SPEED_TEXT,
- SPEED_LONGTEXT, true );
-#ifdef OPENGL_MORE_EFFECT
- add_integer_with_range( "opengl-accuracy", 4, 1, 10, NULL, ACCURACY_TEXT,
- ACCURACY_LONGTEXT, true );
- add_float_with_range( "opengl-pov-x", 0.0, -1.0, 1.0, NULL, POV_X_TEXT,
- POV_X_LONGTEXT, true );
- add_float_with_range( "opengl-pov-y", 0.0, -1.0, 1.0, NULL, POV_Y_TEXT,
- POV_Y_LONGTEXT, true );
- add_float_with_range( "opengl-pov-z", -1.0, -1.0, 1.0, NULL, POV_Z_TEXT,
- POV_Z_LONGTEXT, true );
- add_float( "opengl-cylinder-radius", -100.0, NULL, RADIUS_TEXT,
- RADIUS_LONGTEXT, true );
-
-#endif
/* Allow opengl provider plugin selection */
add_string( "opengl-provider", "default", NULL, PROVIDER_TEXT,
PROVIDER_LONGTEXT, true );
set_callbacks( CreateVout, DestroyVout )
- add_string( "opengl-effect", "none", NULL, EFFECT_TEXT,
- EFFECT_LONGTEXT, false );
- change_string_list( ppsz_effects, ppsz_effects_text, 0 );
vlc_module_end ()
/*****************************************************************************
int i_tex_height;
GLuint p_textures[2];
- int i_effect;
-
float f_speed;
float f_radius;
};
if( p_sys == NULL )
return VLC_ENOMEM;
- var_Create( p_vout, "opengl-effect", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
-
p_sys->i_index = 0;
#ifdef __APPLE__
p_sys->i_tex_width = p_vout->fmt_in.i_width;
return VLC_ENOOBJ;
}
- 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;
p_vout->pf_manage = Manage;
glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
glClear( GL_COLOR_BUFFER_BIT );
- /* Check if the user asked for useless visual effects */
- var_Get( p_vout, "opengl-effect", &val );
- if( !val.psz_string || !strcmp( val.psz_string, "none" ))
- {
- p_sys->i_effect = OPENGL_EFFECT_NONE;
- }
- else if( !strcmp( val.psz_string, "cube" ) )
- {
- p_sys->i_effect = OPENGL_EFFECT_CUBE;
-
- glEnable( GL_CULL_FACE);
- }
- else if( !strcmp( val.psz_string, "transparent-cube" ) )
- {
- p_sys->i_effect = OPENGL_EFFECT_TRANSPARENT_CUBE;
-
- glDisable( GL_DEPTH_TEST );
- glEnable( GL_BLEND );
- glBlendFunc( GL_SRC_ALPHA, GL_ONE );
- }
- else
- {
-#ifdef OPENGL_MORE_EFFECT
- long i, size = sizeof(ppsz_effects)/sizeof(*ppsz_effects);
- p_sys->i_effect = OPENGL_EFFECT_NONE;
-
- for(i = 3; i < size; i++)
- {
- if(!strcmp( val.psz_string, ppsz_effects[i]))
- {
- p_sys->i_effect = 1 << i;
- break;
- }
- }
-
- if( p_sys->i_effect == OPENGL_EFFECT_NONE )
- {
- msg_Warn( p_vout, "no valid opengl effect provided, using "
- "\"none\"" );
- }
-#else
- msg_Warn( p_vout, "no valid opengl effect provided, using "
- "\"none\"" );
- p_sys->i_effect = OPENGL_EFFECT_NONE;
-#endif
- }
- free( val.psz_string );
-
- if( p_sys->i_effect & ( OPENGL_EFFECT_CUBE |
- OPENGL_EFFECT_TRANSPARENT_CUBE ) )
- {
- /* 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, - 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( i_fullscreen_change )
{
InitTextures( p_vout );
-
- 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;
-
- case OPENGL_EFFECT_TRANSPARENT_CUBE:
- glDisable( GL_DEPTH_TEST );
- glEnable( GL_BLEND );
- glBlendFunc( GL_SRC_ALPHA, GL_ONE );
- break;
- }
-
- if( p_sys->i_effect & ( OPENGL_EFFECT_CUBE |
- OPENGL_EFFECT_TRANSPARENT_CUBE ) )
- {
- /* 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, - 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
- *****************************************************************************/
-static void Transform( 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
- *****************************************************************************/
-static 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
*****************************************************************************/
glClear( GL_COLOR_BUFFER_BIT );
- if( p_sys->i_effect == OPENGL_EFFECT_NONE )
- {
- glEnable( VLCGL_TARGET );
- glBegin( GL_POLYGON );
- glTexCoord2f( f_x, f_y ); glVertex2f( -1.0, 1.0 );
- glTexCoord2f( f_width, f_y ); glVertex2f( 1.0, 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex2f( 1.0, -1.0 );
- glTexCoord2f( f_x, f_height ); glVertex2f( -1.0, -1.0 );
- 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( 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 );
- glBegin( GL_QUADS );
-
- /* Front */
- glTexCoord2f( f_x, f_y ); glVertex3f( - 1.0, 1.0, 1.0 );
- glTexCoord2f( f_x, f_height ); glVertex3f( - 1.0, - 1.0, 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, 1.0 );
- glTexCoord2f( f_width, f_y ); glVertex3f( 1.0, 1.0, 1.0 );
-
- /* Left */
- glTexCoord2f( f_x, f_y ); glVertex3f( - 1.0, 1.0, - 1.0 );
- glTexCoord2f( f_x, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( - 1.0, - 1.0, 1.0 );
- glTexCoord2f( f_width, f_y ); glVertex3f( - 1.0, 1.0, 1.0 );
-
- /* Back */
- glTexCoord2f( f_x, f_y ); glVertex3f( 1.0, 1.0, - 1.0 );
- glTexCoord2f( f_x, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, f_y ); glVertex3f( - 1.0, 1.0, - 1.0 );
-
- /* Right */
- glTexCoord2f( f_x, f_y ); glVertex3f( 1.0, 1.0, 1.0 );
- glTexCoord2f( f_x, f_height ); glVertex3f( 1.0, - 1.0, 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, f_y ); glVertex3f( 1.0, 1.0, - 1.0 );
-
- /* Top */
- glTexCoord2f( f_x, f_y ); glVertex3f( - 1.0, 1.0, - 1.0 );
- glTexCoord2f( f_x, f_height ); glVertex3f( - 1.0, 1.0, 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, 1.0, 1.0 );
- glTexCoord2f( f_width, f_y ); glVertex3f( 1.0, 1.0, - 1.0 );
-
- /* Bottom */
- glTexCoord2f( f_x, f_y ); glVertex3f( - 1.0, - 1.0, 1.0 );
- glTexCoord2f( f_x, f_height ); glVertex3f( - 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, f_height ); glVertex3f( 1.0, - 1.0, - 1.0 );
- glTexCoord2f( f_width, f_y ); glVertex3f( 1.0, - 1.0, 1.0 );
- glEnd();
- }
+ glEnable( VLCGL_TARGET );
+ glBegin( GL_POLYGON );
+ glTexCoord2f( f_x, f_y ); glVertex2f( -1.0, 1.0 );
+ glTexCoord2f( f_width, f_y ); glVertex2f( 1.0, 1.0 );
+ glTexCoord2f( f_width, f_height ); glVertex2f( 1.0, -1.0 );
+ glTexCoord2f( f_x, f_height ); glVertex2f( -1.0, -1.0 );
+ glEnd();
glDisable( VLCGL_TARGET );