mirror of
https://code.videolan.org/videolan/vlc
synced 2024-10-03 01:31:53 +02:00
136 lines
4.4 KiB
C
136 lines
4.4 KiB
C
/*****************************************************************************
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* description.c: description stream output module (gathers ES info)
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*****************************************************************************
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* Copyright (C) 2003-2004 the VideoLAN team
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* $Id$
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include <stdlib.h>
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#include <string.h>
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#include <vlc/vlc.h>
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#include <vlc/input.h>
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#include <vlc/sout.h>
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/*****************************************************************************
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* Exported prototypes
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close ( vlc_object_t * );
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static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
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static int Del ( sout_stream_t *, sout_stream_id_t * );
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static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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vlc_module_begin();
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set_description( _("Description stream output") );
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set_capability( "sout stream", 50 );
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add_shortcut( "description" );
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set_callbacks( Open, Close );
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vlc_module_end();
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struct sout_stream_sys_t
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{
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input_thread_t *p_input;
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mtime_t i_stream_start;
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};
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struct sout_stream_id_t
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{
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int i_d_u_m_m_y;
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};
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/*****************************************************************************
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* Open:
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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sout_stream_t *p_stream = (sout_stream_t*)p_this;
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sout_stream_sys_t *p_sys;
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p_stream->pf_add = Add;
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p_stream->pf_del = Del;
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p_stream->pf_send = Send;
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p_sys = p_stream->p_sys = malloc(sizeof(sout_stream_sys_t));
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p_sys->p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
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if( !p_sys->p_input ) return VLC_EGENERIC;
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p_sys->i_stream_start = 0;
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close:
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*****************************************************************************/
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static void Close( vlc_object_t *p_this )
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{
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sout_stream_t *p_stream = (sout_stream_t *)p_this;
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vlc_object_release( p_stream->p_sys->p_input );
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}
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static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
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{
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sout_stream_sys_t *p_sys = p_stream->p_sys;
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sout_stream_id_t *id;
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es_format_t *p_fmt_copy = malloc(sizeof(es_format_t));
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id = malloc( sizeof( sout_stream_id_t ) );
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id->i_d_u_m_m_y = 0;
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es_format_Copy( p_fmt_copy, p_fmt );
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vlc_mutex_lock( &p_sys->p_input->input.p_item->lock );
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TAB_APPEND( p_sys->p_input->input.p_item->i_es,
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p_sys->p_input->input.p_item->es, p_fmt_copy );
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vlc_mutex_unlock( &p_sys->p_input->input.p_item->lock );
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if( p_sys->i_stream_start <= 0 ) p_sys->i_stream_start = mdate();
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return id;
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}
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static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
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{
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free( id );
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return VLC_SUCCESS;
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}
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static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
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block_t *p_buffer )
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{
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sout_stream_sys_t *p_sys = p_stream->p_sys;
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block_ChainRelease( p_buffer );
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if( p_sys->i_stream_start + 1500000 < mdate() )
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{
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p_sys->p_input->b_eof = VLC_TRUE;
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}
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return VLC_SUCCESS;
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}
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