/*****************************************************************************
* mosaic.c : Mosaic video plugin for vlc
*****************************************************************************
- * Copyright (C) 2004-2005 VideoLAN
+ * Copyright (C) 2004-2005 the VideoLAN team
* $Id$
*
* Authors: Antoine Cellerier <dionoea@via.ecp.fr>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
int i_vborder, i_hborder; /* border width/height between miniatures */
int i_alpha; /* subfilter alpha blending */
+ vlc_bool_t b_bs; /* Bluescreen vars */
+ int i_bsu, i_bsv, i_bsut, i_bsvt;
+
char **ppsz_order; /* list of picture-id */
int i_order_length;
#define ALIGN_TEXT N_("Mosaic alignment")
#define POS_TEXT N_("Positioning method")
-#define POS_LONGTEXT N_("Positioning method. auto : automatically choose " \
- "the best number of rows and columns. fixed : use the user-defined " \
+#define POS_LONGTEXT N_("Positioning method. auto: automatically choose " \
+ "the best number of rows and columns. fixed: use the user-defined " \
"number of rows and columns.")
#define ROWS_TEXT N_("Number of rows")
#define COLS_TEXT N_("Number of columns")
"will be delayed accordingly (in milliseconds). For high " \
"values you will need to raise file-caching and others.")
+#define BLUESCREEN_TEXT N_("Enable bluescreen (aka greenscreen or chroma key) video background replacing")
+#define BLUESCREENU_TEXT N_("Bluescreen chroma key U (0-255)")
+#define BLUESCREENV_TEXT N_("Bluescreen chroma key V (0-255)")
+#define BLUESCREENUTOL_TEXT N_("Bluescreen chroma key U tolerance")
+#define BLUESCREENVTOL_TEXT N_("Bluescreen chroma key V tolerance")
+
static int pi_pos_values[] = { 0, 1 };
static char * ppsz_pos_descriptions[] =
{ N_("auto"), N_("fixed") };
vlc_module_begin();
set_description( N_("Mosaic video sub filter") );
set_shortname( N_("Mosaic") );
+ set_category( CAT_VIDEO );
+ set_subcategory( SUBCAT_VIDEO_SUBPIC);
set_capability( "sub filter", 0 );
set_callbacks( CreateFilter, DestroyFilter );
add_integer( "mosaic-delay", 0, NULL, DELAY_TEXT, DELAY_LONGTEXT,
VLC_FALSE );
+ add_bool( "mosaic-bs", 0, NULL, BLUESCREEN_TEXT,
+ BLUESCREEN_TEXT, VLC_FALSE );
+ add_integer( "mosaic-bsu", 120, NULL, BLUESCREENU_TEXT,
+ BLUESCREENU_TEXT, VLC_FALSE );
+ add_integer( "mosaic-bsv", 90, NULL, BLUESCREENV_TEXT,
+ BLUESCREENV_TEXT, VLC_FALSE );
+ add_integer( "mosaic-bsut", 17, NULL, BLUESCREENUTOL_TEXT,
+ BLUESCREENUTOL_TEXT, VLC_FALSE );
+ add_integer( "mosaic-bsvt", 17, NULL, BLUESCREENVTOL_TEXT,
+ BLUESCREENVTOL_TEXT, VLC_FALSE );
+
var_Create( p_module->p_libvlc, "mosaic-lock", VLC_VAR_MUTEX );
vlc_module_end();
char *psz_end = NULL;
i_index = 0;
do
- {
+ {
psz_end = strchr( psz_order, ',' );
i_index++;
p_sys->ppsz_order = realloc( p_sys->ppsz_order,
p_sys->i_order_length = i_index;
}
+ /* Bluescreen specific stuff */
+ GET_VAR( bsu, 0x00, 0xff );
+ GET_VAR( bsv, 0x00, 0xff );
+ GET_VAR( bsut, 0x00, 0xff );
+ GET_VAR( bsvt, 0x00, 0xff );
+ p_sys->b_bs = var_CreateGetBool( p_filter, "mosaic-bs" );
+ var_Destroy( p_filter, "mosaic-bs" );
+ var_Create( p_libvlc, "mosaic-bs", VLC_VAR_INTEGER );
+ var_SetBool( p_libvlc, "mosaic-bs", p_sys->b_bs );
+ var_AddCallback( p_libvlc, "mosaic-bs", MosaicCallback, p_sys );
+ if( p_sys->b_bs && p_sys->b_keep )
+ {
+ msg_Warn( p_filter, "mosaic-keep-picture needs to be disabled for"
+ " bluescreen to work" );
+ }
+
vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
var_Destroy( p_libvlc, "mosaic-cols" );
var_Destroy( p_libvlc, "mosaic-keep-aspect-ratio" );
+ var_Destroy( p_libvlc, "mosaic-bsu" );
+ var_Destroy( p_libvlc, "mosaic-bsv" );
+ var_Destroy( p_libvlc, "mosaic-bsut" );
+ var_Destroy( p_libvlc, "mosaic-bsvt" );
+ var_Destroy( p_libvlc, "mosaic-bs" );
+
if( p_sys->p_pic ) p_sys->p_pic->pf_release( p_sys->p_pic );
vlc_mutex_unlock( &p_sys->lock );
vlc_mutex_destroy( &p_sys->lock );
"image resizing and chroma conversion failed" );
continue;
}
+
+ /* Bluescreen stuff */
+ if( p_sys->b_bs )
+ {
+ int i,j;
+ int i_lines = p_converted->p[ A_PLANE ].i_lines;
+ int i_pitch = p_converted->p[ A_PLANE ].i_pitch;
+ uint8_t *p_a = p_converted->p[ A_PLANE ].p_pixels;
+ uint8_t *p_at = malloc( i_lines * i_pitch * sizeof( uint8_t ) );
+ uint8_t *p_u = p_converted->p[ U_PLANE ].p_pixels;
+ uint8_t *p_v = p_converted->p[ V_PLANE ].p_pixels;
+ uint8_t umin, umax, vmin, vmax;
+ umin = p_sys->i_bsu - p_sys->i_bsut >= 0x00 ?
+ p_sys->i_bsu - p_sys->i_bsut : 0x00;
+ umax = p_sys->i_bsu + p_sys->i_bsut <= 0xff ?
+ p_sys->i_bsu + p_sys->i_bsut : 0xff;
+ vmin = p_sys->i_bsv - p_sys->i_bsvt >= 0x00 ?
+ p_sys->i_bsv - p_sys->i_bsvt : 0x00;
+ vmax = p_sys->i_bsv + p_sys->i_bsvt <= 0xff ?
+ p_sys->i_bsv + p_sys->i_bsvt : 0xff;
+
+ for( i = 0; i < i_lines*i_pitch; i++ )
+ {
+ if( p_u[i] < umax
+ && p_u[i] > umin
+ && p_v[i] < vmax
+ && p_v[i] > vmin )
+ {
+ p_at[i] = 0x00;
+ }
+ else
+ {
+ p_at[i] = 0xff;
+ }
+ }
+ /* Gaussian convolution to make it look cleaner */
+ memset( p_a, 0, 2 * i_pitch );
+ for( i = 2; i < i_lines - 2; i++ )
+ {
+ p_a[i*i_pitch] = 0x00;
+ p_a[i*i_pitch+1] = 0x00;
+ for( j = 2; j < i_pitch - 2; j ++ )
+ {
+ p_a[i*i_pitch+j] = (uint8_t)((
+ /* 2 rows up */
+ ( p_at[(i-2)*i_pitch+j-2]<<1 )
+ + ( p_at[(i-2)*i_pitch+j-1]<<2 )
+ + ( p_at[(i-2)*i_pitch+j]<<2 )
+ + ( p_at[(i-2)*i_pitch+j+1]<<2 )
+ + ( p_at[(i-2)*i_pitch+j+2]<<1 )
+ /* 1 row up */
+ + ( p_at[(i-1)*i_pitch+j-1]<<3 )
+ + ( p_at[(i-1)*i_pitch+j-2]<<2 )
+ + ( p_at[(i-1)*i_pitch+j]*12 )
+ + ( p_at[(i-1)*i_pitch+j+1]<<3 )
+ + ( p_at[(i-1)*i_pitch+j+2]<<2 )
+ /* */
+ + ( p_at[i*i_pitch+j-2]<<2 )
+ + ( p_at[i*i_pitch+j-1]*12 )
+ + ( p_at[i*i_pitch+j]<<4 )
+ + ( p_at[i*i_pitch+j+1]*12 )
+ + ( p_at[i*i_pitch+j+2]<<2 )
+ /* 1 row down */
+ + ( p_at[(i+1)*i_pitch+j-2]<<2 )
+ + ( p_at[(i+1)*i_pitch+j-1]<<3 )
+ + ( p_at[(i+1)*i_pitch+j]*12 )
+ + ( p_at[(i+1)*i_pitch+j+1]<<3 )
+ + ( p_at[(i+1)*i_pitch+j+2]<<2 )
+ /* 2 rows down */
+ + ( p_at[(i+2)*i_pitch+j-2]<<1 )
+ + ( p_at[(i+2)*i_pitch+j-1]<<2 )
+ + ( p_at[(i+2)*i_pitch+j]<<2 )
+ + ( p_at[(i+2)*i_pitch+j+1]<<2 )
+ + ( p_at[(i+2)*i_pitch+j+2]<<1 )
+ )/152);
+ if( p_a[i*i_pitch+j] < 0xbf ) p_a[i*i_pitch+j] = 0x00;
+ }
+ }
+ free( p_at );
+ }
}
else
{