1 /*****************************************************************************
2 * gather.c: gathering stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
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 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_input.h>
37 /*****************************************************************************
39 *****************************************************************************/
40 static int Open ( vlc_object_t
* );
41 static void Close ( vlc_object_t
* );
44 set_description( N_("Gathering stream output") )
45 set_capability( "sout stream", 50 )
46 add_shortcut( "gather" )
47 set_callbacks( Open
, Close
)
50 /*****************************************************************************
52 *****************************************************************************/
53 static sout_stream_id_t
*Add ( sout_stream_t
*, es_format_t
* );
54 static int Del ( sout_stream_t
*, sout_stream_id_t
* );
55 static int Send( sout_stream_t
*, sout_stream_id_t
*, block_t
* );
57 struct sout_stream_id_t
65 struct sout_stream_sys_t
68 sout_stream_id_t
**id
;
71 /*****************************************************************************
73 *****************************************************************************/
74 static int Open( vlc_object_t
*p_this
)
76 sout_stream_t
*p_stream
= (sout_stream_t
*)p_this
;
77 sout_stream_sys_t
*p_sys
;
79 p_stream
->p_sys
= p_sys
= malloc( sizeof( sout_stream_sys_t
) );
83 if( !p_stream
->p_next
)
88 p_stream
->pf_add
= Add
;
89 p_stream
->pf_del
= Del
;
90 p_stream
->pf_send
= Send
;
92 TAB_INIT( p_sys
->i_id
, p_sys
->id
);
97 /*****************************************************************************
99 *****************************************************************************/
100 static void Close( vlc_object_t
* p_this
)
102 sout_stream_t
*p_stream
= (sout_stream_t
*)p_this
;
103 sout_stream_sys_t
*p_sys
= p_stream
->p_sys
;
106 for( i
= 0; i
< p_sys
->i_id
; i
++ )
108 sout_stream_id_t
*id
= p_sys
->id
[i
];
110 sout_StreamIdDel( p_stream
->p_next
, id
->id
);
111 es_format_Clean( &id
->fmt
);
114 TAB_CLEAN( p_sys
->i_id
, p_sys
->id
);
119 /*****************************************************************************
121 *****************************************************************************/
122 static sout_stream_id_t
* Add( sout_stream_t
*p_stream
, es_format_t
*p_fmt
)
124 sout_stream_sys_t
*p_sys
= p_stream
->p_sys
;
125 sout_stream_id_t
*id
;
128 /* search a compatible output */
129 for( i
= 0; i
< p_sys
->i_id
; i
++ )
135 if( id
->fmt
.i_cat
!= p_fmt
->i_cat
|| id
->fmt
.i_codec
!= p_fmt
->i_codec
)
138 if( id
->fmt
.i_cat
== AUDIO_ES
)
140 audio_format_t
*p_a
= &id
->fmt
.audio
;
141 if( p_a
->i_rate
!= p_fmt
->audio
.i_rate
||
142 p_a
->i_channels
!= p_fmt
->audio
.i_channels
||
143 p_a
->i_blockalign
!= p_fmt
->audio
.i_blockalign
)
146 else if( id
->fmt
.i_cat
== VIDEO_ES
)
148 video_format_t
*p_v
= &id
->fmt
.video
;
149 if( p_v
->i_width
!= p_fmt
->video
.i_width
||
150 p_v
->i_height
!= p_fmt
->video
.i_height
)
155 msg_Dbg( p_stream
, "reusing already opened output" );
160 /* destroy all outputs from the same category */
161 for( i
= 0; i
< p_sys
->i_id
; i
++ )
164 if( !id
->b_used
&& id
->fmt
.i_cat
== p_fmt
->i_cat
)
166 TAB_REMOVE( p_sys
->i_id
, p_sys
->id
, id
);
167 sout_StreamIdDel( p_stream
->p_next
, id
->id
);
168 es_format_Clean( &id
->fmt
);
176 msg_Dbg( p_stream
, "creating new output" );
177 id
= malloc( sizeof( sout_stream_id_t
) );
180 es_format_Copy( &id
->fmt
, p_fmt
);
182 id
->id
= sout_StreamIdAdd( p_stream
->p_next
, &id
->fmt
);
188 TAB_APPEND( p_sys
->i_id
, p_sys
->id
, id
);
193 /*****************************************************************************
195 *****************************************************************************/
196 static int Del( sout_stream_t
*p_stream
, sout_stream_id_t
*id
)
198 VLC_UNUSED(p_stream
);
203 /*****************************************************************************
205 *****************************************************************************/
206 static int Send( sout_stream_t
*p_stream
,
207 sout_stream_id_t
*id
, block_t
*p_buffer
)
209 return sout_StreamIdSend( p_stream
->p_next
, id
->id
, p_buffer
);