mirror of
https://code.videolan.org/videolan/vlc
synced 2024-10-07 03:56:28 +02:00
99fab9089e
Missing some cases that I could not test. Also ffmpeg/chroma.c is locked, so I can but leave it broken. Fix is for the remaining modules is obvious and the issue is easy to detect.
187 lines
5.8 KiB
C
187 lines
5.8 KiB
C
/*****************************************************************************
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* autodel.c: monitor mux inputs and automatically add/delete streams
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*****************************************************************************
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* Copyright (C) 2006 the VideoLAN team
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* $Id: autodel.c 12074 2005-08-08 17:18:08Z dionoea $
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*
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* Authors: Christophe Massiot <massiot@via.ecp.fr>
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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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc/vlc.h>
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#include <vlc_sout.h>
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#include <vlc_block.h>
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/*****************************************************************************
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* Module descriptor
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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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#define SOUT_CFG_PREFIX "sout-autodel-"
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vlc_module_begin();
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set_shortname( _("Autodel"));
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set_description( _("Automatically add/delete input streams"));
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set_capability( "sout stream", 50 );
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add_shortcut( "autodel" );
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set_callbacks( Open, Close );
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vlc_module_end();
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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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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struct sout_stream_id_t
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{
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sout_stream_id_t *id;
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es_format_t fmt;
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mtime_t i_last;
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vlc_bool_t b_error;
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};
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struct sout_stream_sys_t
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{
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sout_stream_t *p_out;
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sout_stream_id_t **pp_es;
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int i_es_num;
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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_sys = malloc( sizeof( sout_stream_sys_t ) );
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p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
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if( !p_sys->p_out )
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{
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msg_Err( p_stream, "cannot create chain" );
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free( p_sys );
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return VLC_EGENERIC;
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}
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p_sys->pp_es = NULL;
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p_sys->i_es_num = 0;
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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_stream->p_sys = p_sys;
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/* update p_sout->i_out_pace_nocontrol */
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p_stream->p_sout->i_out_pace_nocontrol++;
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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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sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
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sout_StreamDelete( p_sys->p_out );
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p_stream->p_sout->i_out_pace_nocontrol--;
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free( p_sys );
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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 = (sout_stream_sys_t *)p_stream->p_sys;
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sout_stream_id_t *p_es = malloc( sizeof(sout_stream_id_t) );
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p_es->fmt = *p_fmt;
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p_es->id = NULL;
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p_es->i_last = 0;
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p_es->b_error = VLC_FALSE;
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TAB_APPEND( p_sys->i_es_num, p_sys->pp_es, p_es );
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return p_es;
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}
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static int Del( sout_stream_t *p_stream, sout_stream_id_t *p_es )
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{
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sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
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sout_stream_id_t *id = p_es->id;
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TAB_REMOVE( p_sys->i_es_num, p_sys->pp_es, p_es );
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free( p_es );
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if ( id != NULL )
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return p_sys->p_out->pf_del( p_sys->p_out, id );
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else
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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 *p_es,
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block_t *p_buffer )
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{
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sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
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mtime_t i_current = mdate();
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int i;
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p_es->i_last = p_buffer->i_dts;
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if ( p_es->id == NULL && p_es->b_error != VLC_TRUE )
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{
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p_es->id = p_sys->p_out->pf_add( p_sys->p_out, &p_es->fmt );
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if ( p_es->id == NULL )
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{
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p_es->b_error = VLC_TRUE;
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msg_Err( p_stream, "couldn't create chain for id %d",
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p_es->fmt.i_id );
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}
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}
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if ( p_es->b_error != VLC_TRUE )
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p_sys->p_out->pf_send( p_sys->p_out, p_es->id, p_buffer );
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else
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block_ChainRelease( p_buffer );
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for ( i = 0; i < p_sys->i_es_num; i++ )
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{
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if ( p_sys->pp_es[i]->id != NULL
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&& (p_sys->pp_es[i]->fmt.i_cat == VIDEO_ES
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|| p_sys->pp_es[i]->fmt.i_cat == AUDIO_ES)
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&& p_sys->pp_es[i]->i_last < i_current )
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{
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p_sys->p_out->pf_del( p_sys->p_out, p_sys->pp_es[i]->id );
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p_sys->pp_es[i]->id = NULL;
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}
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}
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return VLC_SUCCESS;
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}
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