Fix memory leak in video_output on Mac OS X (close #6267)
[vlc/solaris.git] / src / misc / filter.c
blob36f1ba444c60808ace989215e50e38be3e400c4e
1 /*****************************************************************************
2 * filter.c : filter_t helpers.
3 *****************************************************************************
4 * Copyright (C) 2009 Laurent Aimar
5 * $Id$
7 * Author: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 #ifdef HAVE_CONFIG_H
25 # include "config.h"
26 #endif
28 #include <vlc_common.h>
29 #include <libvlc.h>
30 #include <vlc_filter.h>
31 #include <vlc_modules.h>
33 filter_t *filter_NewBlend( vlc_object_t *p_this,
34 const video_format_t *p_dst_chroma )
36 filter_t *p_blend = vlc_custom_create( p_this, sizeof(*p_blend), "blend" );
37 if( !p_blend )
38 return NULL;
40 es_format_Init( &p_blend->fmt_in, VIDEO_ES, 0 );
42 es_format_Init( &p_blend->fmt_out, VIDEO_ES, 0 );
44 p_blend->fmt_out.i_codec =
45 p_blend->fmt_out.video.i_chroma = p_dst_chroma->i_chroma;
46 p_blend->fmt_out.video.i_rmask = p_dst_chroma->i_rmask;
47 p_blend->fmt_out.video.i_gmask = p_dst_chroma->i_gmask;
48 p_blend->fmt_out.video.i_bmask = p_dst_chroma->i_bmask;
49 p_blend->fmt_out.video.i_rrshift= p_dst_chroma->i_rrshift;
50 p_blend->fmt_out.video.i_rgshift= p_dst_chroma->i_rgshift;
51 p_blend->fmt_out.video.i_rbshift= p_dst_chroma->i_rbshift;
52 p_blend->fmt_out.video.i_lrshift= p_dst_chroma->i_lrshift;
53 p_blend->fmt_out.video.i_lgshift= p_dst_chroma->i_lgshift;
54 p_blend->fmt_out.video.i_lbshift= p_dst_chroma->i_lbshift;
56 /* The blend module will be loaded when needed with the real
57 * input format */
58 p_blend->p_module = NULL;
60 return p_blend;
63 int filter_ConfigureBlend( filter_t *p_blend,
64 int i_dst_width, int i_dst_height,
65 const video_format_t *p_src )
67 /* */
68 if( p_blend->p_module &&
69 p_blend->fmt_in.video.i_chroma != p_src->i_chroma )
71 /* The chroma is not the same, we need to reload the blend module */
72 module_unneed( p_blend, p_blend->p_module );
73 p_blend->p_module = NULL;
76 /* */
78 p_blend->fmt_in.i_codec = p_src->i_chroma;
79 p_blend->fmt_in.video = *p_src;
81 /* */
82 p_blend->fmt_out.video.i_width =
83 p_blend->fmt_out.video.i_visible_width = i_dst_width;
84 p_blend->fmt_out.video.i_height =
85 p_blend->fmt_out.video.i_visible_height = i_dst_height;
87 /* */
88 if( !p_blend->p_module )
89 p_blend->p_module = module_need( p_blend, "video blending", NULL, false );
90 if( !p_blend->p_module )
91 return VLC_EGENERIC;
92 return VLC_SUCCESS;
95 int filter_Blend( filter_t *p_blend,
96 picture_t *p_dst, int i_dst_x, int i_dst_y,
97 const picture_t *p_src, int i_alpha )
99 if( !p_blend->p_module )
100 return VLC_EGENERIC;
102 p_blend->pf_video_blend( p_blend, p_dst, p_src, i_dst_x, i_dst_y, i_alpha );
103 return VLC_SUCCESS;
106 void filter_DeleteBlend( filter_t *p_blend )
108 if( p_blend->p_module )
109 module_unneed( p_blend, p_blend->p_module );
111 vlc_object_release( p_blend );
114 /* */
115 #include <vlc_video_splitter.h>
117 video_splitter_t *video_splitter_New( vlc_object_t *p_this,
118 const char *psz_name,
119 const video_format_t *p_fmt )
121 video_splitter_t *p_splitter = vlc_custom_create( p_this,
122 sizeof(*p_splitter), "video splitter" );
123 if( !p_splitter )
124 return NULL;
126 video_format_Copy( &p_splitter->fmt, p_fmt );
128 /* */
129 p_splitter->p_module = module_need( p_splitter, "video splitter", psz_name, true );
130 if( ! p_splitter->p_module )
132 video_splitter_Delete( p_splitter );
133 return NULL;
136 return p_splitter;
139 void video_splitter_Delete( video_splitter_t *p_splitter )
141 if( p_splitter->p_module )
142 module_unneed( p_splitter, p_splitter->p_module );
144 video_format_Clean( &p_splitter->fmt );
146 vlc_object_release( p_splitter );