Add a growl (http://growl.info/) notification plugin (most of code from msn.c)

It is built by default since it sends notifications to network (perhaps
we should only build it on macos).

msn.c: should fix a refcount issue (*not tested*)

configure.ac

@@ -1423,6 +1423,17 @@ then
   AC_DEFINE(ENABLE_VLM, 1, Define if you want the VideoLAN manager support)
 fi
 
+dnl
+dnl Growl notification plugin
+dnl
+AC_ARG_ENABLE(growl,
+  [  --enable-growl         growl notification plugin (default enabled)])
+AS_IF([test "${enable_growl}" != "no"], [
+    VLC_ADD_PLUGINS([growl])
+  ]
+)
+
+
 dnl
 dnl TLS/SSL
 dnl

modules/misc/Modules.am

@@ -11,3 +11,4 @@ SOURCES_vod_rtsp = rtsp.c
 SOURCES_gnutls = gnutls.c
 SOURCES_svg = svg.c
 SOURCES_msn = msn.c
+SOURCES_growl = growl.c

modules/misc/growl.c

+/*****************************************************************************
+ * growl.c : growl notification plugin
+ *****************************************************************************
+ * Copyright (C) 2006 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Jérôme Decoodt <djc -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
+ *****************************************************************************/
+#include <stdlib.h>                                      /* malloc(), free() */
+
+#include <vlc/vlc.h>
+#include <vlc/intf.h>
+#include <vlc_meta.h>
+#include <network.h>
+#include <errno.h>
+#include <vlc_md5.h>
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int  Open    ( vlc_object_t * );
+static void Close   ( vlc_object_t * );
+static void Run     ( intf_thread_t * );
+
+static int ItemChange( vlc_object_t *, const char *,
+                       vlc_value_t, vlc_value_t, void * );
+
+static int RegisterToGrowl( vlc_object_t *p_this );
+static int NotifyToGrowl( vlc_object_t *p_this, char *psz_type,
+                            char *psz_title, char *psz_desc );
+static int CheckAndSend( vlc_object_t *p_this, uint8_t* p_data, int i_offset );
+#define GROWL_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 PORT_TEXT N_("Growl UDP port")
+#define PORT_LONGTEXT N_("Growl UPD port on the server.")
+#define SERVER_DEFAULT "127.0.0.1"
+#define SERVER_TEXT N_("Growl server")
+#define SERVER_LONGTEXT N_("Growl server receiving notifications.")
+#define PASS_DEFAULT ""
+#define PASS_TEXT N_("Growl password")
+#define PASS_LONGTEXT N_("Growl password on the server.")
+
+vlc_module_begin();
+    set_category( CAT_INTERFACE );
+    set_subcategory( SUBCAT_INTERFACE_CONTROL );
+    set_shortname( N_( "growl" ) );
+    set_description( _("Growl Notification Plugin") );
+
+    add_integer( "growl-port", 9887, NULL,
+                PORT_TEXT, PORT_LONGTEXT, VLC_TRUE );
+    add_string( "growl-server", SERVER_DEFAULT, NULL,
+                SERVER_TEXT, SERVER_LONGTEXT, VLC_FALSE );
+    add_string( "growl-password", PASS_DEFAULT, NULL,
+                PASS_TEXT, PASS_LONGTEXT, VLC_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 = (playlist_t *)vlc_object_find(
+        p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
+
+    if( !p_playlist )
+    {
+        msg_Err( p_intf, "could not find playlist object" );
+        return -1;
+    }
+
+    var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
+    vlc_object_release( p_playlist );
+
+    RegisterToGrowl( p_this );
+    p_intf->pf_run = Run;
+
+    return 0;
+}
+
+/*****************************************************************************
+ * Close: destroy interface stuff
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+}
+
+/*****************************************************************************
+ * Run
+ *****************************************************************************/
+static void Run( intf_thread_t *p_intf )
+{
+    msleep( INTF_IDLE_SLEEP );
+}
+
+/*****************************************************************************
+ * 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 )
+{
+    char psz_tmp[GROWL_MAX_LENGTH];
+    char *psz_title = NULL;
+    char *psz_artist = NULL;
+    char *psz_album = NULL;
+
+    input_thread_t *p_input =
+        (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
+                                           FIND_ANYWHERE );
+    if( !p_input || p_input->b_dead || !p_input->input.p_item->psz_name )
+    {
+        /* Not playing anything ... */
+        return VLC_SUCCESS;
+    }
+
+    /* Playing something ... */
+    psz_artist = vlc_input_item_GetInfo( p_input->input.p_item,
+                                         _("Meta-information"),
+                                         VLC_META_ARTIST);
+    psz_album = vlc_input_item_GetInfo( p_input->input.p_item,
+                                         _("Meta-information"),
+                                         _("Album/movie/show title" ) );
+    psz_title = strdup( p_input->input.p_item->psz_name );
+    if( psz_title == NULL ) psz_title = strdup( N_("(no title)") );
+    if( psz_artist == NULL ) psz_artist = strdup( N_("(no artist)") );
+    if( psz_album == NULL ) psz_album = strdup( N_("(no album)") );
+    snprintf( psz_tmp, GROWL_MAX_LENGTH, "%s %s %s",
+              psz_title, psz_artist, psz_album );
+    free( psz_title );
+    free( psz_artist );
+    free( psz_album );
+
+    NotifyToGrowl( p_this, "Now Playing", "Now Playing", psz_tmp );
+
+    vlc_object_release( p_input );
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Growl specific functions
+ *****************************************************************************/
+#define GROWL_PROTOCOL_VERSION (1)
+#define GROWL_TYPE_REGISTRATION (0)
+#define GROWL_TYPE_NOTIFICATION (1)
+#define APPLICATION_NAME "VLC media player"
+
+#define insertstrlen( psz ) \
+{ \
+    uint16_t i_size = htons(strlen( psz )); \
+    psz_encoded[i++] = (i_size>>8)&0xFF; \
+    psz_encoded[i++] = i_size&0xFF; \
+}
+/*****************************************************************************
+ * RegisterToGrowl
+ *****************************************************************************/
+static int RegisterToGrowl( vlc_object_t *p_this )
+{
+    uint8_t *psz_encoded = malloc(100);
+    uint8_t i_defaults = 0;
+    char *psz_notifications[] = {"Now Playing", NULL};
+    vlc_bool_t pb_defaults[] = {VLC_TRUE, VLC_FALSE};
+    int i = 0, j;
+    if( psz_encoded == NULL )
+        return VLC_FALSE;
+
+    memset( psz_encoded, 0, sizeof(psz_encoded) );
+    psz_encoded[i++] = GROWL_PROTOCOL_VERSION;
+    psz_encoded[i++] = GROWL_TYPE_REGISTRATION;
+    insertstrlen(APPLICATION_NAME);
+    i+=2;
+    strcpy( (char*)(psz_encoded+i), APPLICATION_NAME );
+    i += strlen(APPLICATION_NAME);
+    for( j = 0 ; psz_notifications[j] != NULL ; j++)
+    {
+        insertstrlen(psz_notifications[j]);
+        strcpy( (char*)(psz_encoded+i), psz_notifications[j] );
+        i += strlen(psz_notifications[j]);
+    }
+    psz_encoded[4] = j;
+    for( j = 0 ; psz_notifications[j] != NULL ; j++)
+        if(pb_defaults[j] == VLC_TRUE)
+        {
+            psz_encoded[i++] = (uint8_t)j;
+            i_defaults++;
+        }
+    psz_encoded[5] = i_defaults;
+
+    CheckAndSend(p_this, psz_encoded, i);
+    free( psz_encoded );
+    return VLC_SUCCESS;
+}
+
+static int NotifyToGrowl( vlc_object_t *p_this, char *psz_type,
+                            char *psz_title, char *psz_desc )
+{
+    uint8_t *psz_encoded = malloc(GROWL_MAX_LENGTH + 42);
+    uint16_t flags;
+    int i = 0;
+    if( psz_encoded == NULL )
+        return VLC_FALSE;
+
+    memset( psz_encoded, 0, sizeof(psz_encoded) );
+    psz_encoded[i++] = GROWL_PROTOCOL_VERSION;
+    psz_encoded[i++] = GROWL_TYPE_NOTIFICATION;
+    flags = htons(0);
+    psz_encoded[i++] = (flags>>8)&0xFF;
+    psz_encoded[i++] = flags&0xFF;
+    insertstrlen(psz_type);
+    insertstrlen(psz_title);
+    insertstrlen(psz_desc);
+    insertstrlen(APPLICATION_NAME);
+    strcpy( (char*)(psz_encoded+i), psz_type );
+    i += strlen(psz_type);
+    strcpy( (char*)(psz_encoded+i), psz_title );
+    i += strlen(psz_title);
+    strcpy( (char*)(psz_encoded+i), psz_desc );
+    i += strlen(psz_desc);
+    strcpy( (char*)(psz_encoded+i), APPLICATION_NAME );
+    i += strlen(APPLICATION_NAME);
+
+    CheckAndSend(p_this, psz_encoded, i);
+    free( psz_encoded );
+    return VLC_SUCCESS;
+}
+
+static int CheckAndSend( vlc_object_t *p_this, uint8_t* p_data, int i_offset )
+{
+    int i, i_handle;
+    struct md5_s md5;
+    intf_thread_t *p_intf = (intf_thread_t *)p_this;
+    char *psz_password = config_GetPsz( p_intf, "growl-password" );
+    char *psz_server = config_GetPsz( p_intf, "growl-server" );
+    int i_port = config_GetInt( p_intf, "growl-port" );
+    strcpy( (char*)(p_data+i_offset), psz_password );
+    i = i_offset + strlen(psz_password);
+
+    InitMD5( &md5 );
+    AddMD5( &md5, p_data, i );
+    EndMD5( &md5 );
+
+    for( i = 0 ; i < 4 ; i++ )
+    {
+        md5.p_digest[i] = htonl(md5.p_digest[i]);
+        p_data[i_offset++] =  md5.p_digest[i]     &0xFF;
+        p_data[i_offset++] = (md5.p_digest[i]>> 8)&0xFF;
+        p_data[i_offset++] = (md5.p_digest[i]>>16)&0xFF;
+        p_data[i_offset++] = (md5.p_digest[i]>>24)&0xFF;
+    }
+
+    i_handle = net_ConnectUDP( p_this, psz_server, i_port, 42 /*TTL*/ );
+    if( i_handle == -1 )
+    {
+         msg_Err( p_this, "failed to open a connection (udp)" );
+         free( psz_password);
+         free( psz_server);
+         return VLC_EGENERIC;
+    }
+
+    net_StopRecv( i_handle );
+    if( send( i_handle, p_data, i_offset, 0 )
+          == -1 )
+    {
+        msg_Warn( p_this, "send error: %s", strerror(errno) );
+    }
+    net_Close( i_handle );
+
+    free( psz_password);
+    free( psz_server);
+    return VLC_SUCCESS;
+}
+
+#undef GROWL_PROTOCOL_VERSION
+#undef GROWL_TYPE_REGISTRATION
+#undef GROWL_TYPE_NOTIFICATION
+#undef APPLICATION_NAME
+#undef insertstrlen

modules/misc/msn.c

@@ -196,6 +196,7 @@ static int ItemChange( vlc_object_t *p_this, const char *psz_var,
     free( psz_album );
 
     SendToMSN( psz_tmp );
+    vlc_object_release( p_input );
 
     return VLC_SUCCESS;
 }