Commit 1fc13bde authored by Clément Stenac's avatar Clément Stenac

Template for profile parser

parent dc67fdeb
......@@ -1459,6 +1459,7 @@ then
VLC_ADD_PLUGINS([stream_out_dummy stream_out_standard stream_out_es stream_out_rtp stream_out_description vod_rtsp])
VLC_ADD_PLUGINS([stream_out_duplicate stream_out_gather stream_out_display stream_out_transcode stream_out_bridge stream_out_mosaic_bridge])
# VLC_ADD_PLUGINS([stream_out_transrate])
VLC_ADD_PLUGINS([profile_parser])
AC_DEFINE(ENABLE_SOUT, 1, Define if you want the stream output support)
fi
......
......@@ -343,6 +343,7 @@ typedef struct sout_chain_t sout_chain_t;
typedef struct streaming_profile_t streaming_profile_t;
typedef struct sout_module_t sout_module_t;
typedef struct sout_gui_descr_t sout_gui_descr_t;
typedef struct profile_parser_t profile_parser_t;
/* Decoders */
typedef struct decoder_t decoder_t;
......
......@@ -191,6 +191,15 @@ static inline sout_chain_t *streaming_ChainNew()
return p_chain;
}
struct profile_parser_t
{
char *psz_profile;
streaming_profile_t *p_profile;
};
//VLC_XEXPORT( char *, streaming_ChainToPsz, (sout_chain_t * ) );
#endif
......@@ -13,3 +13,4 @@ SOURCES_svg = svg.c
SOURCES_msn = msn.c
SOURCES_growl = growl.c
SOURCES_notify = notify.c
SOURCES_profile_parser = profile_parser.c
/*****************************************************************************
* profile_parser.c : VLC Streaming Profile parser
*****************************************************************************
* Copyright (C) 2003-2006 the VideoLAN team
* $Id: rtsp.c 16204 2006-08-03 16:58:10Z zorglub $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@videolan.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include <vlc/vlc.h>
#include <vlc_streaming.h>
#include "vlc_xml.h"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
vlc_module_begin();
set_capability( "profile parser", 1 );
set_callbacks( Open, NULL );
vlc_module_end();
static int Open( vlc_object_t *p_this )
{
profile_parser_t *p_parser = (profile_parser_t *)p_this->p_private;
stream_t *p_stream = stream_UrlNew( p_this, p_parser->psz_profile );
xml_t *p_xml;
xml_reader_t *p_reader;
int i_ret;
char *psz_elname;
/* Open the profile and get a XML reader from it */
if( !p_stream )
{
msg_Err( p_this, "failed to parse profile %s", p_parser->psz_profile );
return VLC_EGENERIC;
}
p_xml = xml_Create( p_this );
if( !p_xml ) return VLC_EGENERIC;
p_reader = xml_ReaderCreate( p_xml, p_stream );
if( xml_ReaderRead( p_reader ) != 1 ||
xml_ReaderNodeType( p_reader ) != XML_READER_STARTELEM )
{
msg_Err( p_this, "invalid file (invalid root)" );
return VLC_EGENERIC;
}
/* Here goes the real parsing */
while( (i_ret = xml_ReaderRead( p_reader ) ) == 1 )
{
int i_type = xml_ReaderNodeType( p_reader );
switch( i_type )
{
case -1:
/* ERROR : Bail out */
return -1;
case XML_READER_STARTELEM:
FREE( psz_elname );
psz_elname = xml_ReaderName( p_reader );
if( !psz_elname ) return VLC_EGENERIC;
printf( "<%s", psz_elname );
break;
case XML_READER_TEXT:
break;
case XML_READER_ENDELEM:
FREE( psz_elname );
psz_elname = xml_ReaderName( p_reader );
if( !psz_elname ) return VLC_EGENERIC;
printf( ">" );
break;
}
}
if( i_ret != 0 )
{
msg_Err( p_this, "parse error" );
return VLC_EGENERIC;
}
if( p_reader ) xml_ReaderDelete( p_xml, p_reader );
if( p_xml ) xml_Delete( p_xml );
return VLC_SUCCESS;
}
......@@ -390,55 +390,23 @@ void streaming_ProfilesList( vlc_object_t *p_this, int *pi_profiles,
}
//////////// DEPRECATED
#if 0
vlc_bool_t streaming_ChainIsGuiSupported( sout_chain_t *p_chain,
vlc_bool_t b_root )
/** Parse a profile */
int streaming_ProfileParse( vlc_object_t *p_this,streaming_profile_t *p_profile,
const char *psz_profile )
{
/* First is transcode, std/rtp or duplicate.
* If transcode, then std/rtp or duplicate
* If duplicate, each subchain is std/rtp only */
int j;
if( p_chain->i_modules == 0 || p_chain->i_modules > 2 ) return VLC_FALSE;
DECMALLOC_ERR( p_parser, profile_parser_t );
module_t *p_module;
assert( p_profile ); assert( psz_profile );
if( p_chain->pp_modules[0]->i_type == SOUT_MOD_TRANSCODE && b_root )
{
if( p_chain->pp_modules[1]->i_type == SOUT_MOD_DUPLICATE )
{
sout_duplicate_t *p_dup = p_chain->pp_modules[1]->typed.p_duplicate;
if( p_dup->i_children == 0 ) return VLC_FALSE;
for( j = 0 ; j< p_dup->i_children ; j++ )
{
if( !streaming_ChainIsGuiSupported( p_dup->pp_children[j],
VLC_FALSE))
return VLC_FALSE;
}
return VLC_TRUE;
}
}
if( p_chain->pp_modules[0]->i_type == SOUT_MOD_DUPLICATE && b_root )
{
sout_duplicate_t *p_dup = p_chain->pp_modules[0]->typed.p_duplicate;
if( p_dup->i_children == 0 ) return VLC_FALSE;
for( j = 0 ; j< p_dup->i_children ; j++ )
{
if( !streaming_ChainIsSupported( p_dup->pp_children[j], VLC_FALSE))
return VLC_FALSE;
}
return VLC_TRUE;
}
// Now check for supported simple chain
if( p_chain->i_modules == 1 || b_root )
{
return p_chain->pp_modules[0]->i_type == SOUT_MOD_RTP ||
p_chain->pp_modules[0]->i_type == SOUT_MOD_STD;
}
else if( b_root )
p_parser->psz_profile = strdup( psz_profile );
p_parser->p_profile = p_profile;
p_this->p_private = (void *)p_parser;
/* And call the module ! All work is done now */
p_module = module_Need( p_this, "profile parser", "", VLC_TRUE );
if( !p_module )
{
return p_chain->pp_modules[0]->i_type == SOUT_MOD_TRANSCODE &&
(p_chain->pp_modules[1]->i_type == SOUT_MOD_RTP ||
p_chain->pp_modules[1]->i_type == SOUT_MOD_STD );
msg_Warn( p_this, "parsing profile failed" );
}
return VLC_FALSE;
}
#endif
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