1 /*****************************************************************************
2 * description.c: description stream output module (gathers ES info)
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
7 * Authors: Gildas Bazin <gbazin@videolan.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc/input.h>
34 /*****************************************************************************
36 *****************************************************************************/
37 static int Open ( vlc_object_t * );
38 static void Close ( vlc_object_t * );
40 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
41 static int Del ( sout_stream_t *, sout_stream_id_t * );
42 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
44 /*****************************************************************************
46 *****************************************************************************/
48 set_description( _("Description stream output") );
49 set_capability( "sout stream", 50 );
50 add_shortcut( "description" );
51 set_callbacks( Open, Close );
54 struct sout_stream_sys_t
56 input_thread_t *p_input;
57 mtime_t i_stream_start;
60 struct sout_stream_id_t
65 /*****************************************************************************
67 *****************************************************************************/
68 static int Open( vlc_object_t *p_this )
70 sout_stream_t *p_stream = (sout_stream_t*)p_this;
71 sout_stream_sys_t *p_sys;
73 p_stream->pf_add = Add;
74 p_stream->pf_del = Del;
75 p_stream->pf_send = Send;
76 p_sys = p_stream->p_sys = malloc(sizeof(sout_stream_sys_t));
78 p_sys->p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
79 if( !p_sys->p_input ) return VLC_EGENERIC;
81 p_sys->i_stream_start = 0;
86 /*****************************************************************************
88 *****************************************************************************/
89 static void Close( vlc_object_t *p_this )
91 sout_stream_t *p_stream = (sout_stream_t *)p_this;
92 vlc_object_release( p_stream->p_sys->p_input );
95 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
97 sout_stream_sys_t *p_sys = p_stream->p_sys;
99 es_format_t *p_fmt_copy = malloc(sizeof(es_format_t));
101 id = malloc( sizeof( sout_stream_id_t ) );
104 es_format_Copy( p_fmt_copy, p_fmt );
106 vlc_mutex_lock( &p_sys->p_input->input.p_item->lock );
107 TAB_APPEND( p_sys->p_input->input.p_item->i_es,
108 p_sys->p_input->input.p_item->es, p_fmt_copy );
109 vlc_mutex_unlock( &p_sys->p_input->input.p_item->lock );
111 if( p_sys->i_stream_start <= 0 ) p_sys->i_stream_start = mdate();
116 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
122 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
125 sout_stream_sys_t *p_sys = p_stream->p_sys;
127 block_ChainRelease( p_buffer );
129 if( p_sys->i_stream_start + 1500000 > mdate() )
131 p_sys->p_input->b_eof = VLC_TRUE;