msn.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:7k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * msn.c : msn title plugin
- *****************************************************************************
- * Copyright (C) 2005 the VideoLAN team
- * $Id: f177f1d0fd8e97e65aa9052db8744c3f381b5ebf $
- *
- * 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 = config_GetPsz( 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_Hold( p_intf );
- var_AddCallback( p_playlist, "item-change", ItemChange, p_intf );
- var_AddCallback( p_playlist, "item-current", ItemChange, p_intf );
- pl_Release( 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_Hold( 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 );
- pl_Release( p_this );
- /* 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];
- char *psz_title = NULL;
- char *psz_artist = NULL;
- char *psz_album = NULL;
- char *psz_buf = NULL;
- 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 ... */
- psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
- psz_album = input_item_GetAlbum( input_GetItem( p_input ) );
- psz_title = input_item_GetTitleFbName( input_GetItem( p_input ) );
- if( !psz_artist ) psz_artist = strdup( "" );
- if( !psz_album ) psz_album = strdup( "" );
- psz_buf = str_format_meta( p_this, 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_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, NULL);
- 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;
- }