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453 lines
13 KiB
453 lines
13 KiB
/*****************************************************************************
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* standard.c: standard stream output module
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*****************************************************************************
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* Copyright (C) 2003-2004 VideoLAN
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* $Id$
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*
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* Authors: Laurent Aimar <fenrir@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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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <vlc/vlc.h>
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#include <vlc/sout.h>
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#include "announce.h"
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#include "network.h"
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define ACCESS_TEXT N_("Output access method")
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#define ACCESS_LONGTEXT N_( \
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"Allows you to pecify the output access method used for the streaming " \
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"output." )
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#define MUX_TEXT N_("Output muxer")
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#define MUX_LONGTEXT N_( \
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"Allows you to pecify the output muxer method used for the streaming " \
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"output." )
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#define URL_TEXT N_("Output URL")
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#define URL_LONGTEXT N_( \
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"Allows you to pecify the output URL used for the streaming output." )
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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-standard-"
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vlc_module_begin();
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set_description( _("Standard stream output") );
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set_capability( "sout stream", 50 );
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add_shortcut( "standard" );
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add_shortcut( "std" );
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add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
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ACCESS_LONGTEXT, VLC_FALSE );
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add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
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MUX_LONGTEXT, VLC_FALSE );
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add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
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URL_LONGTEXT, VLC_FALSE );
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add_bool( SOUT_CFG_PREFIX "sap", 0, NULL, "sap", "", VLC_TRUE );
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add_string( SOUT_CFG_PREFIX "sap-name", "", NULL, "sap name", "", VLC_TRUE );
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add_bool( SOUT_CFG_PREFIX "sap-ipv6", 0, NULL, "sap ipv6", "", VLC_TRUE );
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add_bool( SOUT_CFG_PREFIX "slp", 0, NULL, "slp", "", VLC_TRUE );
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add_string( SOUT_CFG_PREFIX "slp-name", "", NULL, "slp name", "", VLC_TRUE );
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set_callbacks( Open, Close );
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vlc_module_end();
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/*****************************************************************************
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* Exported prototypes
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*****************************************************************************/
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static const char *ppsz_sout_options[] = {
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"access", "mux", "url",
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"sap", "sap-name", "sap-ipv6",
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"slp", "slp-name",
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NULL
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};
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#define DEFAULT_IPV6_SCOPE '8'
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#define DEFAULT_PORT 1234
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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_sys_t
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{
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sout_mux_t *p_mux;
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slp_session_t *p_slp;
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session_descriptor_t *p_session;
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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_instance_t *p_sout = p_stream->p_sout;
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slp_session_t *p_slp = NULL;
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char *psz_mux;
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char *psz_access;
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char *psz_url;
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vlc_value_t val;
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sout_access_out_t *p_access;
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sout_mux_t *p_mux;
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char *psz_mux_byext = NULL;
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sout_ParseCfg( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
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var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
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psz_access = *val.psz_string ? val.psz_string : NULL;
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var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
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psz_mux = *val.psz_string ? val.psz_string : NULL;
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var_Get( p_stream, SOUT_CFG_PREFIX "url", &val );
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psz_url = *val.psz_string ? val.psz_string : NULL;
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p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
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p_stream->p_sys->p_session = NULL;
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msg_Dbg( p_this, "creating `%s/%s://%s'",
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psz_access, psz_mux, psz_url );
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/* ext -> muxer name */
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if( psz_url && strrchr( psz_url, '.' ) )
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{
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/* by extention */
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static struct { char *ext; char *mux; } exttomux[] =
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{
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{ "avi", "avi" },
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{ "ogg", "ogg" },
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{ "ogm", "ogg" },
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{ "mp4", "mp4" },
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{ "mov", "mov" },
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{ "moov","mov" },
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{ "asf", "asf" },
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{ "wma", "asf" },
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{ "wmv", "asf" },
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{ "trp", "ts" },
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{ "ts", "ts" },
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{ "mpg", "ps" },
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{ "mpeg","ps" },
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{ "ps", "ps" },
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{ "mpeg1","mpeg1" },
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{ NULL, NULL }
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};
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char *psz_ext = strrchr( psz_url, '.' ) + 1;
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int i;
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msg_Dbg( p_this, "extention is %s", psz_ext );
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for( i = 0; exttomux[i].ext != NULL; i++ )
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{
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if( !strcasecmp( psz_ext, exttomux[i].ext ) )
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{
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psz_mux_byext = exttomux[i].mux;
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break;
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}
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}
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msg_Dbg( p_this, "extention -> mux=%s", psz_mux_byext );
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}
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/* We fix access/mux to valid couple */
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if( psz_access == NULL && psz_mux == NULL )
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{
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if( psz_mux_byext )
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{
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msg_Warn( p_stream,
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"no access _and_ no muxer, extention gives file/%s",
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psz_mux_byext );
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psz_access = "file";
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psz_mux = psz_mux_byext;
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}
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else
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{
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msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
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return VLC_EGENERIC;
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}
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}
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if( psz_access && psz_mux == NULL )
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{
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/* access given, no mux */
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if( !strncmp( psz_access, "mmsh", 4 ) )
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{
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psz_mux = "asfh";
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}
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else if( !strncmp( psz_access, "udp", 3 ) )
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{
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psz_mux = "ts";
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}
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else
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{
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psz_mux = psz_mux_byext;
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}
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}
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else if( psz_mux && psz_access == NULL )
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{
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/* mux given, no access */
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if( !strncmp( psz_mux, "asfh", 4 ) )
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{
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psz_access = "mmsh";
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}
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else
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{
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/* default file */
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psz_access = "file";
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}
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}
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/* fix or warm of incompatible couple */
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if( psz_mux && psz_access )
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{
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if( !strncmp( psz_access, "mmsh", 4 ) && strncmp( psz_mux, "asfh", 4 ) )
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{
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char *p = strchr( psz_mux,'{' );
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msg_Warn( p_stream, "fixing to mmsh/asfh" );
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if( p )
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{
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/* -> a little memleak but ... */
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psz_mux = malloc( strlen( "asfh" ) + strlen( p ) + 1);
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sprintf( psz_mux, "asfh%s", p );
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}
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else
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{
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psz_mux = "asfh";
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}
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}
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else if( ( !strncmp( psz_access, "rtp", 3 ) ||
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!strncmp( psz_access, "udp", 3 ) ) &&
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strncmp( psz_mux, "ts", 2 ) )
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{
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msg_Err( p_stream, "for now udp and rtp are only valid with TS" );
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}
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else if( strncmp( psz_access, "file", 4 ) &&
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( !strncmp( psz_mux, "mov", 3 ) ||
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!strncmp( psz_mux, "mp4", 3 ) ) )
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{
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msg_Err( p_stream, "mov and mp4 work only with file output" );
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}
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}
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msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
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/* *** find and open appropriate access module *** */
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p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
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if( p_access == NULL )
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{
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msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
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psz_access, psz_mux, psz_url );
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return( VLC_EGENERIC );
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}
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msg_Dbg( p_stream, "access opened" );
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/* *** find and open appropriate mux module *** */
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p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
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if( p_mux == NULL )
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{
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msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
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psz_access, psz_mux, psz_url );
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sout_AccessOutDelete( p_access );
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return( VLC_EGENERIC );
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}
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msg_Dbg( p_stream, "mux opened" );
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/* *** Create the SAP Session structure *** */
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var_Get( p_stream, SOUT_CFG_PREFIX "sap", &val );
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if( val.b_bool &&
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( strstr( psz_access, "udp" ) || strstr( psz_access , "rtp" ) ) )
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{
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session_descriptor_t *p_session = sout_AnnounceSessionCreate();
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announce_method_t *p_method =
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sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
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vlc_url_t url;
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var_Get( p_stream, SOUT_CFG_PREFIX "sap-name", &val );
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if( *val.psz_string )
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{
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p_session->psz_name = val.psz_string;
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}
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else
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{
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free( val.psz_string );
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p_session->psz_name = strdup( psz_url );
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}
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var_Get( p_stream, SOUT_CFG_PREFIX "sap-ipv6", &val );
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p_method->i_ip_version = val.b_bool ? 6 : 4;
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/* Now, parse the URL to extract host and port */
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vlc_UrlParse( &url, psz_url , 0);
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if( url.psz_host )
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{
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if( url.i_port == 0 )
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{
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url.i_port = DEFAULT_PORT;
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}
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p_session->psz_uri = url.psz_host;
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p_session->i_port = url.i_port;
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p_session->psz_sdp = NULL;
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p_session->i_ttl = config_GetInt( p_sout, "ttl" );
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p_session->i_payload = 33;
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msg_Info( p_this, "SAP Enabled");
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sout_AnnounceRegister( p_sout, p_session, p_method );
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/* FIXME: Free p_method */
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p_stream->p_sys->p_session = p_session;
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}
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vlc_UrlClean( &url );
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}
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/* *** Register with slp *** */
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#ifdef HAVE_SLP_H
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var_Get( p_stream, SOUT_CFG_PREFIX "slp", &val );
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if( val.b_bool &&
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( strstr( psz_access, "udp" ) || strstr( psz_access , "rtp" ) ) )
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{
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int i_ret;
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msg_Info( p_this, "SLP Enabled");
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var_Get( p_stream, SOUT_CFG_PREFIX "sap-name", &val );
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if( *val.psz_string )
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{
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i_ret = sout_SLPReg( p_sout, psz_url, val.psz_string );
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}
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else
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{
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i_ret = sout_SLPReg( p_sout, psz_url, psz_url );
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}
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free( val.psz_string );
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if( i_ret )
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{
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msg_Warn( p_sout, "SLP Registering failed");
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}
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else
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{
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p_slp = malloc(sizeof(slp_session_t));
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p_slp->psz_url= strdup(psz_url);
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p_slp->psz_name = strdup(
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p_slp_cfg->psz_value ? p_slp_cfg->psz_value : psz_url);
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}
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}
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#endif
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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_mux = p_mux;
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p_stream->p_sys->p_slp = p_slp;
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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 = p_stream->p_sys;
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sout_access_out_t *p_access = p_sys->p_mux->p_access;
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if( p_sys->p_session != NULL )
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{
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sout_AnnounceUnRegister( p_stream->p_sout, p_sys->p_session );
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}
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#ifdef HAVE_SLP_H
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if( p_sys->p_slp )
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{
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sout_SLPDereg( (sout_instance_t *)p_this,
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p_sys->p_slp->psz_url,
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p_sys->p_slp->psz_name);
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free( p_sys->p_slp);
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}
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#endif
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sout_MuxDelete( p_sys->p_mux );
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sout_AccessOutDelete( p_access );
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free( p_sys );
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}
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struct sout_stream_id_t
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{
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sout_input_t *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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id = malloc( sizeof( sout_stream_id_t ) );
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if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
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{
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free( id );
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return NULL;
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}
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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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sout_stream_sys_t *p_sys = p_stream->p_sys;
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sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
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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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sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );
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return VLC_SUCCESS;
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}
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