1 /*****************************************************************************
2 * filter_common.h: Common filter functions
3 *****************************************************************************
4 * Copyright (C) 2001, 2002, 2003 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 #define ALLOCATE_DIRECTBUFFERS( i_max ) \
25 /* Try to initialize i_max direct buffers */ \
26 while( I_OUTPUTPICTURES < ( i_max ) ) \
30 /* Find an empty picture slot */ \
31 for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ ) \
33 if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE ) \
35 p_pic = p_vout->p_picture + i_index; \
45 /* Allocate the picture */ \
46 vout_AllocatePicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma, \
47 p_vout->output.i_width, \
48 p_vout->output.i_height, \
49 p_vout->output.i_aspect ); \
51 if( !p_pic->i_planes ) \
56 p_pic->i_status = DESTROYED_PICTURE; \
57 p_pic->i_type = DIRECT_PICTURE; \
59 PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic; \
64 /*****************************************************************************
65 * SetParentVal: forward variable value to parent whithout triggering the
67 *****************************************************************************/
68 static int SetParentVal( vlc_object_t *p_this, char const *psz_var,
69 vlc_value_t oldval, vlc_value_t newval, void *p_data )
71 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
72 var_Change( (vlc_object_t *)p_data, psz_var, VLC_VAR_SETVALUE,
77 #define ADD_CALLBACKS( newvout, handler ) \
78 var_AddCallback( newvout, "fullscreen", SetParentVal, p_vout ); \
79 var_AddCallback( newvout, "mouse-x", SendEvents, p_vout ); \
80 var_AddCallback( newvout, "mouse-y", SendEvents, p_vout ); \
81 var_AddCallback( newvout, "mouse-moved", SendEvents, p_vout ); \
82 var_AddCallback( newvout, "mouse-clicked", SendEvents, p_vout );
84 #define DEL_CALLBACKS( newvout, handler ) \
85 var_DelCallback( newvout, "fullscreen", SetParentVal, p_vout ); \
86 var_DelCallback( newvout, "mouse-x", SendEvents, p_vout ); \
87 var_DelCallback( newvout, "mouse-y", SendEvents, p_vout ); \
88 var_DelCallback( newvout, "mouse-moved", SendEvents, p_vout ); \
89 var_DelCallback( newvout, "mouse-clicked", SendEvents, p_vout );
91 #define ADD_PARENT_CALLBACKS( handler ) \
92 var_AddCallback( p_vout, "fullscreen", handler, NULL ); \
93 var_AddCallback( p_vout, "aspect-ratio", handler, NULL ); \
94 var_AddCallback( p_vout, "crop", handler, NULL );
96 #define DEL_PARENT_CALLBACKS( handler ) \
97 var_DelCallback( p_vout, "fullscreen", handler, NULL ); \
98 var_DelCallback( p_vout, "aspect-ratio", handler, NULL ); \
99 var_DelCallback( p_vout, "crop", handler, NULL );
101 static int SendEventsToChild( vlc_object_t *, char const *,
102 vlc_value_t, vlc_value_t, void * );