--- /dev/null
+/*****************************************************************************
+ * autodel.c: monitor mux inputs and automatically add/delete streams
+ *****************************************************************************
+ * Copyright (C) 2006 the VideoLAN team
+ * $Id: autodel.c 12074 2005-08-08 17:18:08Z dionoea $
+ *
+ * Authors: Christophe Massiot <massiot@via.ecp.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * 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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h>
+#include <string.h>
+
+#include <vlc/vlc.h>
+#include <vlc/sout.h>
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int Open ( vlc_object_t * );
+static void Close ( vlc_object_t * );
+
+#define SOUT_CFG_PREFIX "sout-autodel-"
+
+vlc_module_begin();
+ set_shortname( _("Autodel"));
+ set_description( _("Automatically add/delete input streams"));
+ set_capability( "sout stream", 50 );
+ add_shortcut( "autodel" );
+ set_callbacks( Open, Close );
+vlc_module_end();
+
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static const char *ppsz_sout_options[] = {
+ NULL
+};
+
+static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
+static int Del ( sout_stream_t *, sout_stream_id_t * );
+static int Send ( sout_stream_t *, sout_stream_id_t *, block_t * );
+
+struct sout_stream_id_t
+{
+ sout_stream_id_t *id;
+ es_format_t fmt;
+ mtime_t i_last;
+ vlc_bool_t b_error;
+};
+
+struct sout_stream_sys_t
+{
+ sout_stream_t *p_out;
+ sout_stream_id_t **pp_es;
+ int i_es_num;
+};
+
+/*****************************************************************************
+ * Open:
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_stream_sys_t *p_sys;
+
+ p_sys = malloc( sizeof( sout_stream_sys_t ) );
+
+ p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
+ if( !p_sys->p_out )
+ {
+ msg_Err( p_stream, "cannot create chain" );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+ p_sys->pp_es = NULL;
+ p_sys->i_es_num = 0;
+
+ sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
+ p_stream->p_cfg );
+
+ p_stream->pf_add = Add;
+ p_stream->pf_del = Del;
+ p_stream->pf_send = Send;
+
+ p_stream->p_sys = p_sys;
+
+ /* update p_sout->i_out_pace_nocontrol */
+ p_stream->p_sout->i_out_pace_nocontrol++;
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close:
+ *****************************************************************************/
+static void Close( vlc_object_t * p_this )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
+
+ sout_StreamDelete( p_sys->p_out );
+ p_stream->p_sout->i_out_pace_nocontrol--;
+
+ free( p_sys );
+}
+
+static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
+{
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
+ sout_stream_id_t *p_es = malloc( sizeof(sout_stream_id_t) );
+
+ p_es->fmt = *p_fmt;
+ p_es->id = NULL;
+ p_es->i_last = 0;
+ p_es->b_error = VLC_FALSE;
+ TAB_APPEND( p_sys->i_es_num, p_sys->pp_es, p_es );
+
+ return p_es;
+}
+
+static int Del( sout_stream_t *p_stream, sout_stream_id_t *p_es )
+{
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
+ sout_stream_id_t *id = p_es->id;
+
+ TAB_REMOVE( p_sys->i_es_num, p_sys->pp_es, p_es );
+ free( p_es );
+
+ if ( id != NULL )
+ return p_sys->p_out->pf_del( p_sys->p_out, id );
+ else
+ return VLC_SUCCESS;
+}
+
+static int Send( sout_stream_t *p_stream, sout_stream_id_t *p_es,
+ block_t *p_buffer )
+{
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
+ mtime_t i_current = mdate();
+ int i;
+
+ p_es->i_last = p_buffer->i_dts;
+ if ( p_es->id == NULL && p_es->b_error != VLC_TRUE )
+ {
+ p_es->id = p_sys->p_out->pf_add( p_sys->p_out, &p_es->fmt );
+ if ( p_es->id == NULL )
+ {
+ p_es->b_error = VLC_TRUE;
+ msg_Err( p_stream, "couldn't create chain for id %d",
+ p_es->fmt.i_id );
+ }
+ }
+
+ if ( p_es->b_error != VLC_TRUE )
+ p_sys->p_out->pf_send( p_sys->p_out, p_es->id, p_buffer );
+ else
+ block_ChainRelease( p_buffer );
+
+ for ( i = 0; i < p_sys->i_es_num; i++ )
+ {
+ if ( p_sys->pp_es[i]->id != NULL
+ && (p_sys->pp_es[i]->fmt.i_cat == VIDEO_ES
+ || p_sys->pp_es[i]->fmt.i_cat == AUDIO_ES)
+ && p_sys->pp_es[i]->i_last < i_current )
+ {
+ p_sys->p_out->pf_del( p_sys->p_out, p_sys->pp_es[i]->id );
+ p_sys->pp_es[i]->id = NULL;
+ }
+ }
+
+ return VLC_SUCCESS;
+}
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