--- /dev/null
+/*****************************************************************************
+ * sgimb.c: a meta demux to parse sgimb referrer files
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id: $
+ *
+ * Authors: Derk-Jan Hartman <hartman at videolan dot 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * This is a metademux for the Kasenna MediaBase metafile format.
+ * Kasenna MediaBase first returns this file when you are trying to access
+ * their MPEG streams (MIME: application/x-sgimb). Very few applications
+ * understand this format and the format is not really documented on the net.
+ * Following a typical MediaBase file. Notice the sgi prefix of all the elements.
+ * This stems from the fact that the MediaBase server were first introduced by SGI?????.
+ *
+ * sgiNameServerHost=host.name.tld
+ * Stream="xdma://host.name.tld/demo/a_very_cool.mpg"
+ * sgiMovieName=/demo/a_very_cool.mpg
+ * sgiAuxState=1
+ * sgiFormatName=PARTNER_41_MPEG-4
+ * sgiBitrate=1630208
+ * sgiDuration=378345000
+ * sgiQTFileBegin
+ * rtsptext
+ * rtsp://host.name.tld/demo/a_very_cool.mpg
+ * sgiQTFileEnd
+ * sgiApplicationName=MediaBaseURL
+ * sgiElapsedTime=0
+ * sgiServerVersion=6.1.2
+ * sgiRtspPort=554
+ * AutoStart=True
+ * sgiUserAccount=pid=1724&time=1078527309&displayText=You%20are%20logged%20as%20guest&
+ * sgiUserPassword=
+ *
+ *****************************************************************************/
+
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h> /* malloc(), free() */
+
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+#include <vlc_playlist.h>
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int Activate ( vlc_object_t * );
+static void Deactivate( vlc_object_t * );
+
+vlc_module_begin();
+ set_description( _("Kasenna MediaBase metademux") );
+ set_capability( "demux2", 170 );
+ set_callbacks( Activate, Deactivate );
+ add_shortcut( "sgimb" );
+vlc_module_end();
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+#define MAX_LINE 1024
+
+struct demux_sys_t
+{
+ char *psz_uri; /* Stream= or sgiQTFileBegin rtsp link */
+ char *psz_server; /* sgiNameServerHost= */
+ char *psz_location; /* sgiMovieName= */
+ char *psz_name; /* sgiShowingName= */
+ char *psz_user; /* sgiUserAccount= */
+ char *psz_password; /* sgiUserPassword= */
+ mtime_t i_duration; /* sgiDuration= */
+ int i_port; /* sgiRtspPort= */
+ int i_sid; /* sgiSid= */
+};
+
+static int Demux ( demux_t *p_demux );
+static int Control( demux_t *p_demux, int i_query, va_list args );
+
+/*****************************************************************************
+ * Activate: initializes m3u demux structures
+ *****************************************************************************/
+static int Activate( vlc_object_t * p_this )
+{
+ demux_t *p_demux = (demux_t *)p_this;
+ demux_sys_t *p_sys;
+
+ p_demux->pf_demux = Demux;
+ p_demux->pf_control = Control;
+ p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+ p_sys->psz_uri = NULL;
+ p_sys->psz_server = NULL;
+ p_sys->psz_location = NULL;
+ p_sys->psz_name = NULL;
+ p_sys->psz_user = NULL;
+ p_sys->psz_password = NULL;
+ p_sys->i_duration = (mtime_t)0;
+ p_sys->i_port = 0;
+
+
+ /* Lets check the content to see if this is a sgi mediabase file */
+ byte_t *p_peek;
+ int i_size = stream_Peek( p_demux->s, &p_peek, MAX_LINE );
+ i_size -= sizeof("sgiNameServerHost=") - 1;
+ if ( i_size > 0 ) {
+ while ( i_size
+ && strncasecmp( p_peek, "sgiNameServerHost=", sizeof("sgiNameServerHost=") - 1 ) )
+ {
+ p_peek++;
+ i_size--;
+ }
+ if ( !strncasecmp( p_peek, "sgiNameServerHost=", sizeof("sgiNameServerHost=") -1 ) )
+ {
+ return VLC_SUCCESS;
+ }
+ }
+ return VLC_EGENERIC;
+}
+
+/*****************************************************************************
+ * Deactivate: frees unused data
+ *****************************************************************************/
+static void Deactivate( vlc_object_t *p_this )
+{
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys = p_demux->p_sys;
+ if( p_sys->psz_uri )
+ free( p_sys->psz_uri );
+ if( p_sys->psz_server )
+ free( p_sys->psz_server );
+ if( p_sys->psz_location )
+ free( p_sys->psz_location );
+ if( p_sys->psz_name )
+ free( p_sys->psz_name );
+ if( p_sys->psz_user )
+ free( p_sys->psz_user );
+ if( p_sys->psz_password )
+ free( p_sys->psz_password );
+ free( p_demux->p_sys );
+ return;
+}
+
+static int ParseLine ( demux_t *p_demux, char *psz_line )
+{
+ char *psz_bol;
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ psz_bol = psz_line;
+
+ /* Remove unnecessary tabs or spaces at the beginning of line */
+ while( *psz_bol == ' ' || *psz_bol == '\t' ||
+ *psz_bol == '\n' || *psz_bol == '\r' )
+ {
+ psz_bol++;
+ }
+
+ if( !strncasecmp( psz_bol, "rtsp://", sizeof("rtsp://") - 1 ) )
+ {
+ /* We found the link, it was inside a sgiQTFileBegin */
+ p_sys->psz_uri = strdup( psz_bol );
+ }
+ else if( !strncasecmp( psz_bol, "Stream=\"", sizeof("Stream=\"") - 1 ) )
+ {
+ psz_bol += sizeof("Stream=\"") - 1;
+ if ( !psz_bol )
+ return 0;
+ strrchr( psz_bol, '"' )[0] = '\0';
+ /* We cheat around xdma. for some reason xdma links work different then rtsp */
+ if( !strncasecmp( psz_bol, "xdma://", sizeof("xdma://") - 1 ) )
+ {
+ psz_bol[0] = 'r';
+ psz_bol[1] = 't';
+ psz_bol[2] = 's';
+ psz_bol[3] = 'p';
+ }
+ p_sys->psz_uri = strdup( psz_bol );
+ }
+ else if( !strncasecmp( psz_bol, "sgiNameServerHost=", sizeof("sgiNameServerHost=") - 1 ) )
+ {
+ psz_bol += sizeof("sgiNameServerHost=") - 1;
+ p_sys->psz_server = strdup( psz_bol );
+ }
+ else if( !strncasecmp( psz_bol, "sgiMovieName=", sizeof("sgiMovieName=") - 1 ) )
+ {
+ psz_bol += sizeof("sgiMovieName=") - 1;
+ p_sys->psz_location = strdup( psz_bol );
+ }
+ else if( !strncasecmp( psz_bol, "sgiUserAccount=", sizeof("sgiUserAccount=") - 1 ) )
+ {
+ psz_bol += sizeof("sgiUserAccount=") - 1;
+ p_sys->psz_user = strdup( psz_bol );
+ }
+ else if( !strncasecmp( psz_bol, "sgiUserPassword=", sizeof("sgiUserPassword=") - 1 ) )
+ {
+ psz_bol += sizeof("sgiUserPassword=") - 1;
+ p_sys->psz_password = strdup( psz_bol );
+ }
+ else if( !strncasecmp( psz_bol, "sgiShowingName=", sizeof("sgiShowingName=") - 1 ) )
+ {
+ psz_bol += sizeof("sgiShowingName=") - 1;
+ p_sys->psz_name = strdup( psz_bol );
+ }
+ else if( !strncasecmp( psz_bol, "sgiDuration=", sizeof("sgiDuration=") - 1 ) )
+ {
+ psz_bol += sizeof("sgiDuration=") - 1;
+ p_sys->i_duration = (mtime_t) strtol( psz_bol, NULL, 0 );
+ }
+ else if( !strncasecmp( psz_bol, "sgiRtspPort=", sizeof("sgiRtspPort=") - 1 ) )
+ {
+ psz_bol += sizeof("sgiRtspPort=") - 1;
+ p_sys->i_port = (int) strtol( psz_bol, NULL, 0 );
+ }else
+ {
+ /* This line isn't really important */
+ return 0;
+ }
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Demux: reads and demuxes data packets
+ *****************************************************************************
+ * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
+ *****************************************************************************/
+static int Demux ( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ playlist_t *p_playlist;
+
+ char *psz_line;
+ int i_position;
+
+ p_playlist = (playlist_t *) vlc_object_find( p_demux, VLC_OBJECT_PLAYLIST,
+ FIND_ANYWHERE );
+ if( !p_playlist )
+ {
+ msg_Err( p_demux, "can't find playlist" );
+ return -1;
+ }
+
+ p_playlist->pp_items[p_playlist->i_index]->b_autodeletion = VLC_TRUE;
+ i_position = p_playlist->i_index + 1;
+
+ while( ( psz_line = stream_ReadLine( p_demux->s ) ) )
+ {
+ ParseLine( p_demux, psz_line );
+ if( psz_line ) free( psz_line );
+ }
+
+ if( p_sys->psz_uri == NULL )
+ {
+ if( p_sys->psz_server && p_sys->psz_location )
+ {
+ char *temp;
+
+ temp = (char *)malloc( sizeof("rtsp/live://" ":" "123456789") +
+ strlen( p_sys->psz_server ) + strlen( p_sys->psz_location ) );
+ sprintf( temp, "rtsp/live://" "%s:%i%s",
+ p_sys->psz_server, p_sys->i_port > 0 ? p_sys->i_port : 554, p_sys->psz_location );
+
+ p_sys->psz_uri = strdup( temp );
+ free( temp );
+ }
+ }
+
+ playlist_AddExt( p_playlist, p_sys->psz_uri,
+ p_sys->psz_name ? p_sys->psz_name : p_sys->psz_uri,
+ PLAYLIST_INSERT, i_position, p_sys->i_duration, NULL, 0 );
+
+ vlc_object_release( p_playlist );
+ return VLC_SUCCESS;
+}
+
+static int Control( demux_t *p_demux, int i_query, va_list args )
+{
+ return VLC_EGENERIC;
+}
+
projects / vlc / commitdiff