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/*****************************************************************************
* msn.c : msn title plugin
*****************************************************************************
* Copyright (C) 2005-2010 the VideoLAN team
* $Id: fe6faddaa46822f414d4b44946dfc3fc8755b71d $
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_interface.h>
#include <vlc_meta.h>
#include <vlc_playlist.h>
#include <vlc_strings.h>
/*****************************************************************************
* intf_sys_t: description and status of log interface
*****************************************************************************/
struct intf_sys_t
{
char *psz_format;
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static int ItemChange( vlc_object_t *, const char *,
vlc_value_t, vlc_value_t, void * );
static int SendToMSN( const char * psz_msg );
#define MSN_MAX_LENGTH 256
/*****************************************************************************
* Module descriptor
*****************************************************************************
* This module should be used on windows with MSN (i think that you need to
* have MSN 7 or newer) to "advertise" what you are playing in VLC.
* You need to enable the "What I'm Listening To" option in MSN.
*****************************************************************************/
#define FORMAT_DEFAULT "{0} - {1}"
#define FORMAT_TEXT N_("Title format string")
#define FORMAT_LONGTEXT N_("Format of the string to send to MSN " \
"{0} Artist, {1} Title, {2} Album. Defaults to \"Artist - Title\" ({0} - {1}).")
vlc_module_begin ()
set_category( CAT_INTERFACE )
set_subcategory( SUBCAT_INTERFACE_CONTROL )
set_shortname( "MSN" )
set_description( N_("MSN Now-Playing") )
add_string( "msn-format", FORMAT_DEFAULT, NULL,
FORMAT_TEXT, FORMAT_LONGTEXT, false )
set_capability( "interface", 0 )
set_callbacks( Open, Close )
vlc_module_end ()
/*****************************************************************************
* Open: initialize and create stuff
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
intf_thread_t *p_intf = (intf_thread_t *)p_this;
playlist_t *p_playlist;
p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
if( !p_intf->p_sys )
return VLC_ENOMEM;
p_intf->p_sys->psz_format = var_InheritString( p_intf, "msn-format" );
if( !p_intf->p_sys->psz_format )
{
msg_Dbg( p_intf, "no format provided" );
p_intf->p_sys->psz_format = strdup( FORMAT_DEFAULT );
}
msg_Dbg( p_intf, "using format: %s", p_intf->p_sys->psz_format );
p_playlist = pl_Get( p_intf );
var_AddCallback( p_playlist, "item-change", ItemChange, p_intf );
var_AddCallback( p_playlist, "item-current", ItemChange, p_intf );
return VLC_SUCCESS;
}
/*****************************************************************************
* Close: destroy interface stuff
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
intf_thread_t *p_intf = (intf_thread_t *)p_this;
playlist_t *p_playlist = pl_Get( p_this );
/* clear the MSN stuff ... else it looks like we're still playing
* something although VLC (or the MSN plugin) is closed */
SendToMSN( "\\0Music\\01\\0\\0\\0\\0\\0\\0\\0" );
var_DelCallback( p_playlist, "item-change", ItemChange, p_intf );
var_DelCallback( p_playlist, "item-current", ItemChange, p_intf );
/* Destroy structure */
free( p_intf->p_sys->psz_format );
free( p_intf->p_sys );
}
/*****************************************************************************
* ItemChange: Playlist item change callback
*****************************************************************************/
static int ItemChange( vlc_object_t *p_this, const char *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *param )
{
(void)psz_var; (void)oldval; (void)newval;
intf_thread_t *p_intf = (intf_thread_t *)param;
char psz_tmp[MSN_MAX_LENGTH];
input_thread_t *p_input = playlist_CurrentInput( (playlist_t *) p_this );
if( !p_input ) return VLC_SUCCESS;
if( p_input->b_dead || !input_GetItem(p_input)->psz_name )
{
/* Not playing anything ... */
SendToMSN( "\\0Music\\01\\0\\0\\0\\0\\0\\0\\0" );
vlc_object_release( p_input );
return VLC_SUCCESS;
}
/* Playing something ... */
char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
char *psz_album = input_item_GetAlbum( input_GetItem( p_input ) );
char *psz_title = input_item_GetTitleFbName( input_GetItem( p_input ) );
char *psz_buf = str_format_meta( p_intf, p_intf->p_sys->psz_format );
snprintf( psz_tmp,
MSN_MAX_LENGTH,
"\\0Music\\01\\0%s\\0%s\\0%s\\0%s\\0\\0\\0",
psz_buf,
psz_artist ? psz_artist : "",
psz_title ? psz_title : "",
psz_album );
free( psz_buf );
free( psz_title );
free( psz_artist );
free( psz_album );
SendToMSN( (const char*)psz_tmp );
vlc_object_release( p_input );
return VLC_SUCCESS;
}
/*****************************************************************************
* SendToMSN
*****************************************************************************/
static int SendToMSN( const char *psz_msg )
{
COPYDATASTRUCT msndata;
HWND msnui = NULL;
wchar_t buffer[MSN_MAX_LENGTH];
//mbstowcs( buffer, psz_msg, MSN_MAX_LENGTH );
int nLen = MultiByteToWideChar(CP_ACP, 0, psz_msg, -1, NULL, 0);
MultiByteToWideChar(CP_ACP, 0, psz_msg, -1, &buffer, nLen);
msndata.dwData = 0x547;
msndata.lpData = &buffer;
msndata.cbData = (lstrlenW(buffer)*2)+2;
while( ( msnui = FindWindowEx( NULL, msnui, "MsnMsgrUIManager", NULL ) ) )
{
SendMessage(msnui, WM_COPYDATA, (WPARAM)NULL, (LPARAM)&msndata);
}
return VLC_SUCCESS;
}
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