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- /*****************************************************************************
- * mosaic.js: VLC media player web interface - Mosaic specific functions
- *****************************************************************************
- * Copyright (C) 2005-2006 the VideoLAN team
- * $Id$
- *
- * Authors: Antoine Cellerier <dionoea -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.
- *****************************************************************************/
-
- /**********************************************************************
- *
- *********************************************************************/
-
- var mosaic_alpha = 255;
- var mosaic_height = 0;
- var mosaic_width = 0;
- var mosaic_align = 5;
- var mosaic_xoffset = 0;
- var mosaic_yoffset = 0;
- var mosaic_vborder = 0;
- var mosaic_hborder = 0;
- var mosaic_position = 1;
- var mosaic_rows = 0;
- var mosaic_cols = 0;
- var mosaic_delay = 0;
-
- var cell_width = 0;
- var cell_height = 0;
-
- var streams = Object();
- var cells = Object();
-
- function mosaic_init()
- {
- document.getElementById( 'sout_transcode_extra' ).value = ",sfilter=mosaic}:bridge-in{offset=100";
- mosaic_size_change();
-
- /* Force usage of transcode in sout */
- document.getElementById( 'sout_vcodec_s' ).checked = 'checked';
- disable( 'sout_vcodec_s' );
- update_sout();
- }
-
- function mosaic_size_change()
- {
- var x,y;
-
- var bg_width = check_and_replace_int( "bg_width", "400" );
- var bg_height = check_and_replace_int( "bg_height", "300" );
-
- mosaic_height = check_and_replace_int( "mosaic_height", "100" );
- mosaic_width = check_and_replace_int( "mosaic_width", "100" );
- mosaic_xoffset = check_and_replace_int( "mosaic_xoffset", "10" );
- mosaic_yoffset = check_and_replace_int( "mosaic_yoffset", "10" );
- mosaic_vborder = check_and_replace_int( "mosaic_vborder", "5" );
- mosaic_hborder = check_and_replace_int( "mosaic_hborder", "10" );
- mosaic_rows = check_and_replace_int( "mosaic_rows", "1" );
- mosaic_cols = check_and_replace_int( "mosaic_cols", "1" );
-
- cell_width = Math.floor((mosaic_width-(mosaic_cols-1)*mosaic_hborder)/mosaic_cols);
- cell_height = Math.floor((mosaic_height-(mosaic_rows-1)*mosaic_vborder)/mosaic_rows);
-
- var mlayout = document.getElementById( "mosaic_layout" );
-
- while( mlayout.hasChildNodes() )
- mlayout.removeChild( mlayout.firstChild );
-
- mlayout.style.width = bg_width + "px";
- mlayout.style.height = bg_height + "px";
- if( mosaic_cols && mosaic_rows )
- {
- var mdt = document.createElement( 'div' );
- mdt.setAttribute( 'id', 'mosaic_dt' );
- setclass( mdt, 'mosaic_tbl' );
-
- mdt.style.width = mosaic_width + "px";
- mdt.style.height = mosaic_height + "px";
- mdt.style.top = mosaic_yoffset + "px";
- mdt.style.left = mosaic_xoffset + "px";
-
- var mtable = document.createElement( 'table' );
- mtable.setAttribute( 'id', 'mosaic_table' );
- mtable.style.top = "-" + mosaic_vborder + "px";
- mtable.style.left = "-" + mosaic_hborder + "px";
- mtable.style.width = (1*mosaic_width +2*mosaic_hborder) + "px";
- mtable.style.height = (1*mosaic_height+2*mosaic_vborder) + "px";
- mtable.style.borderSpacing = mosaic_hborder + "px " +
- mosaic_vborder + "px";
-
- var mtbody = document.createElement( 'tbody' );
-
- for( y = 0; y < mosaic_rows; y++ )
- {
- var mrow = document.createElement( 'tr' );
- for( x = 0; x < mosaic_cols; x++ )
- {
- var mcell = document.createElement( 'td' );
- setclass( mcell, 'mosaic_itm' );
- mcell.style.width = cell_width + "px";
- mcell.style.height = cell_height + "px";
-
- var id = x+'_'+y;
- var melt = create_button( cells[id] ? cells[id] : '?', 'mosaic_elt_choose(\"'+id+'\");' );
- melt.setAttribute( 'id', id );
- melt.setAttribute( 'title', 'Click to choose stream' );
-
- mcell.appendChild( melt );
- mrow.appendChild( mcell );
- }
- mtbody.appendChild( mrow );
- }
- mtable.appendChild( mtbody );
- mdt.appendChild( mtable );
- mlayout.appendChild( mdt );
- }
- mosaic_code_update();
- }
-
- function mosaic_add_input()
- {
- streams[ addunderscores( value('mosaic_input_name') ) ] =
- value('mosaic_input');
-
- mosaic_feedback( addunderscores( value('mosaic_input_name') ) + " ( " + value('mosaic_input') + " ) added to input list.", true );
-
- var mlist = document.getElementById( "mosaic_list_content" );
- while( mlist.hasChildNodes() )
- mlist.removeChild( mlist.firstChild );
-
- for( var name in streams )
- {
- var mrl = streams[name];
-
- var minput = document.createElement( 'a' );
- minput.setAttribute( 'href', 'javascript:mosaic_elt_select(\''+name+'\');');
- minput.setAttribute( 'id', name );
- minput.setAttribute( 'value', mrl );
-
- var minputtxt = document.createTextNode( name );
-
- minput.appendChild( minputtxt );
- mlist.appendChild( minput );
- mlist.appendChild( document.createTextNode( " ( "+mrl+" )" ) );
- mlist.appendChild( document.createElement( 'br' ) );
- }
- }
-
- function mosaic_elt_select( id )
- {
- hide( 'mosaic_list' );
- var ml = document.getElementById( 'mosaic_list' ).value;
- if( ml )
- {
- document.getElementById( ml ).value = id;
- cells[ ml ] = id;
- mosaic_code_update();
- }
- }
-
- function mosaic_elt_choose( id )
- {
- document.getElementById( 'mosaic_list' ).value = id;
- show( 'mosaic_list' );
- }
-
- function mosaic_code_update()
- {
-
- var code = document.getElementById( 'mosaic_code' );
- code.value =
- "##################################\n"+
- "## HTTP interface mosaic wizard ##\n"+
- "##################################\n"+
- "\n"+
- "# Comment the following line if you don't want to reset your VLM configuration\n"+
- "del all\n"+
- "\n"+
- "# Background options\n"+
- "new bg broadcast enabled\n"+
- "setup bg input " + sanitize_input( value( 'mosaic_bg_input' ) ) + "\n";
- if( value( 'mosaic_output' ) )
- {
- code.value +=
- "setup bg output " + value( 'mosaic_output' )+ "\n";
- }
- var o = /.*transcode.*/;
- if(! o.test( value( 'mosaic_output' ) ) )
- {
- code.value +=
- "setup bg option sub-filter=mosaic\n"+
- "setup bg output #bridge-in{offset=100}:display\n";
- }
- code.value+=
- "\n"+
- "# Mosaic options\n"+
- "setup bg option mosaic-alpha=" + mosaic_alpha + "\n"+
- "setup bg option mosaic-height=" + mosaic_height + "\n"+
- "setup bg option mosaic-width=" + mosaic_width + "\n"+
- "setup bg option mosaic-align=" + mosaic_align + "\n"+
- "setup bg option mosaic-xoffset=" + mosaic_xoffset + "\n"+
- "setup bg option mosaic-yoffset=" + mosaic_yoffset + "\n"+
- "setup bg option mosaic-vborder=" + mosaic_vborder + "\n"+
- "setup bg option mosaic-hborder=" + mosaic_hborder + "\n"+
- "setup bg option mosaic-position=" + mosaic_position + "\n"+
- "setup bg option mosaic-rows=" + mosaic_rows + "\n"+
- "setup bg option mosaic-cols=" + mosaic_cols + "\n"+
- "setup bg option mosaic-order=";
- for( y = 0; y < mosaic_rows; y++ )
- {
- for( x = 0; x < mosaic_cols; x++ )
- {
- var id = x+'_'+y;
- if( cells[id] )
- code.value += cells[id];
- else
- code.value += '_';
- if( y != mosaic_rows - 1 || x != mosaic_cols - 1 )
- code.value += ',';
- }
- }
- code.value += "\n"+
- "setup bg option mosaic-delay=" + mosaic_delay + "\n"+
- "setup bg option mosaic-keep-picture\n"+
- "\n"+
- "# Input options\n";
- var x, y;
- for( y = 0; y < mosaic_rows; y++ )
- {
- for( x = 0; x < mosaic_cols; x++ )
- {
- var id = x+'_'+y;
- if( cells[id] )
- {
- var s = cells[id];
- code.value +=
- "new " + s + " broadcast enabled\n"+
- "setup " + s + " input " + sanitize_input( streams[s] ) + "\n"+
- "setup " + s + " output #duplicate{dst=mosaic-bridge{id=" + s + ",width="+cell_width+",height="+cell_height+"},select=video,dst=bridge-out{id="+(y*mosaic_cols+x)+"},select=audio}\n"+
- "\n";
- }
- }
- }
- code.value +=
- "# Launch everything\n"+
- "control bg play\n";
- for( y = 0; y < mosaic_rows; y++ )
- {
- for( x = 0; x < mosaic_cols; x++ )
- {
- var id = x+'_'+y;
- if( cells[id] )
- {
- var s = cells[id];
- code.value +=
- "control " + s + " play\n";
- }
- }
- }
- code.value +=
- "\n"+
- "# end of mosaic batch\n";
- }
-
- function mosaic_batch( batch )
- {
- var i;
- var commands = batch.split( '\n' );
- for( i = 0; i < commands.length; i++ )
- {
- mosaic_cmd( commands[i] );
- }
- }
-
- function mosaic_cmd( cmd )
- {
- loadXMLDoc( 'requests/vlm_cmd.xml?command='+cmd.replace(/\#/g, '%23'), parse_mosaic_cmd );
- }
-
- function parse_mosaic_cmd()
- {
- /* TODO */
- }
-
- function mosaic_stop()
- {
- var cmd;
- cmd = "control bg stop\n";
- var x,y;
- for( y = 0; y < mosaic_rows; y++ )
- {
- for( x = 0; x < mosaic_cols; x++ )
- {
- var id = x+'_'+y;
- if( cells[id] )
- {
- var s = cells[id];
- cmd += "control " + s + " stop\n";
- }
- }
- }
- mosaic_batch( cmd );
- }
-
- function mosaic_feedback( msg, ok )
- {
- var f = document.getElementById( "mosaic_feedback" );
- while( f.hasChildNodes() )
- f.removeChild( f.firstChild );
-
- f.style.fontWeight = "bold";
- if( ok )
- f.style.color = "#0f0";
- else
- f.style.color = "#f00";
-
- var t = document.createTextNode( ( ok ? "Info: " : "Error: " ) + msg );
- f.appendChild( t );
-
- }
-