]> git.sesse.net Git - vlc/blobdiff - src/input/vlm.c
Add LGPL license
[vlc] / src / input / vlm.c
index 92f0d471b05936eeaa838782c8d461d6abbb913a..013575c3831a937b9a65d59b07b9c81e299f5a63 100644 (file)
@@ -51,6 +51,7 @@
 #if defined (WIN32) && !defined (UNDER_CE)
 #include <sys/timeb.h>                                            /* ftime() */
 #endif
+#include <limits.h>
 
 #include <vlc_input.h>
 #include <vlc_stream.h>
@@ -66,7 +67,6 @@
  * Local prototypes.
  *****************************************************************************/
 
-static void vlm_Destructor( vlm_t *p_vlm );
 static void* Manage( void * );
 static int vlm_MediaVodControl( void *, vod_media_t *, const char *, int, va_list );
 
@@ -131,7 +131,6 @@ vlm_t *vlm_New ( vlc_object_t *p_this )
 {
     vlm_t *p_vlm = NULL, **pp_vlm = &(libvlc_priv (p_this->p_libvlc)->p_vlm);
     char *psz_vlmconf;
-    static const char vlm_object_name[] = "vlm daemon";
 
     /* Avoid multiple creation */
     vlc_mutex_lock( &vlm_mutex );
@@ -139,15 +138,18 @@ vlm_t *vlm_New ( vlc_object_t *p_this )
     p_vlm = *pp_vlm;
     if( p_vlm )
     {   /* VLM already exists */
-        vlc_object_hold( p_vlm );
+        if( likely( p_vlm->users < UINT_MAX ) )
+            p_vlm->users++;
+        else
+            p_vlm = NULL;
         vlc_mutex_unlock( &vlm_mutex );
         return p_vlm;
     }
 
     msg_Dbg( p_this, "creating VLM" );
 
-    p_vlm = vlc_custom_create( p_this, sizeof( *p_vlm ), VLC_OBJECT_GENERIC,
-                               vlm_object_name );
+    p_vlm = vlc_custom_create( p_this->p_libvlc, sizeof( *p_vlm ),
+                               "vlm daemon" );
     if( !p_vlm )
     {
         vlc_mutex_unlock( &vlm_mutex );
@@ -157,13 +159,13 @@ vlm_t *vlm_New ( vlc_object_t *p_this )
     vlc_mutex_init( &p_vlm->lock );
     vlc_mutex_init( &p_vlm->lock_manage );
     vlc_cond_init_daytime( &p_vlm->wait_manage );
+    p_vlm->users = 1;
     p_vlm->input_state_changed = false;
     p_vlm->i_id = 1;
     TAB_INIT( p_vlm->i_media, p_vlm->media );
     TAB_INIT( p_vlm->i_schedule, p_vlm->schedule );
     p_vlm->p_vod = NULL;
     var_Create( p_vlm, "intf-event", VLC_VAR_ADDRESS );
-    vlc_object_attach( p_vlm, p_this->p_libvlc );
 
     if( vlc_clone( &p_vlm->thread, Manage, p_vlm, VLC_THREAD_PRIORITY_LOW ) )
     {
@@ -197,7 +199,6 @@ vlm_t *vlm_New ( vlc_object_t *p_this )
     }
     free( psz_vlmconf );
 
-    vlc_object_set_destructor( p_vlm, (vlc_destructor_t)vlm_Destructor );
     vlc_mutex_unlock( &vlm_mutex );
 
     return p_vlm;
@@ -209,18 +210,22 @@ vlm_t *vlm_New ( vlc_object_t *p_this )
 void vlm_Delete( vlm_t *p_vlm )
 {
     /* vlm_Delete() is serialized against itself, and against vlm_New().
-     * This way, vlm_Destructor () (called from vlc_objet_release() above)
-     * is serialized against setting libvlc_priv->p_vlm from vlm_New(). */
+     * This mutex protects libvlc_priv->p_vlm and p_vlm->users. */
     vlc_mutex_lock( &vlm_mutex );
-    vlc_object_release( p_vlm );
+    assert( p_vlm->users > 0 );
+    if( --p_vlm->users == 0 )
+    {
+        assert( libvlc_priv(p_vlm->p_libvlc)->p_vlm = p_vlm );
+        libvlc_priv(p_vlm->p_libvlc)->p_vlm = NULL;
+    }
+    else
+        p_vlm = NULL;
     vlc_mutex_unlock( &vlm_mutex );
-}
 
-/*****************************************************************************
- * vlm_Destructor:
- *****************************************************************************/
-static void vlm_Destructor( vlm_t *p_vlm )
-{
+    if( p_vlm == NULL )
+        return;
+
+    /* Destroy and release VLM */
     vlc_mutex_lock( &p_vlm->lock );
     vlm_ControlInternal( p_vlm, VLM_CLEAR_MEDIAS );
     TAB_CLEAN( p_vlm->i_media, p_vlm->media );
@@ -229,7 +234,6 @@ static void vlm_Destructor( vlm_t *p_vlm )
     TAB_CLEAN( p_vlm->i_schedule, p_vlm->schedule );
     vlc_mutex_unlock( &p_vlm->lock );
 
-    libvlc_priv(p_vlm->p_libvlc)->p_vlm = NULL;
     vlc_object_kill( p_vlm );
 
     if( p_vlm->p_vod )
@@ -249,6 +253,7 @@ static void vlm_Destructor( vlm_t *p_vlm )
     vlc_cond_destroy( &p_vlm->wait_manage );
     vlc_mutex_destroy( &p_vlm->lock );
     vlc_mutex_destroy( &p_vlm->lock_manage );
+    vlc_object_release( p_vlm );
 }
 
 /*****************************************************************************
@@ -622,8 +627,7 @@ static int vlm_OnMediaUpdate( vlm_t *p_vlm, vlm_media_sys_t *p_media )
             vlc_gc_decref( p_media->vod.p_item );
 
             char *psz_uri = make_URI( p_cfg->ppsz_input[0], NULL );
-            p_media->vod.p_item = input_item_New( p_vlm, psz_uri,
-                p_cfg->psz_name );
+            p_media->vod.p_item = input_item_New( psz_uri, p_cfg->psz_name );
             free( psz_uri );
 
             if( p_cfg->psz_output )
@@ -673,8 +677,7 @@ static int vlm_OnMediaUpdate( vlm_t *p_vlm, vlm_media_sys_t *p_media )
                                  &preparse );
 
                 input_Stop( p_input, true );
-                vlc_thread_join( p_input );
-                vlc_object_release( p_input );
+                input_Close( p_input );
                 vlc_sem_destroy( &sem_preparse );
             }
             free( psz_header );
@@ -692,13 +695,15 @@ static int vlm_OnMediaUpdate( vlm_t *p_vlm, vlm_media_sys_t *p_media )
                     psz_mux = p_cfg->vod.psz_mux;
 
                 es_format_t es, *p_es = &es;
-                union { char text[5]; uint32_t value; } fourcc;
+                union {
+                    char text[5];
+                    unsigned char utext[5];
+                    uint32_t value;
+                } fourcc;
 
                 sprintf( fourcc.text, "%4.4s", psz_mux );
-                fourcc.text[0] = tolower(fourcc.text[0]);
-                fourcc.text[1] = tolower(fourcc.text[1]);
-                fourcc.text[2] = tolower(fourcc.text[2]);
-                fourcc.text[3] = tolower(fourcc.text[3]);
+                for( int i = 0; i < 4; i++ )
+                    fourcc.utext[i] = tolower(fourcc.utext[i]);
 
                 item.i_es = 1;
                 item.es = &p_es;
@@ -761,8 +766,7 @@ static int vlm_ControlMediaAdd( vlm_t *p_vlm, vlm_media_t *p_cfg, int64_t *p_id
     if( p_cfg->b_vod && !p_vlm->p_vod )
     {
         p_vlm->p_vod = vlc_custom_create( VLC_OBJECT(p_vlm), sizeof( vod_t ),
-                                          VLC_OBJECT_GENERIC, "vod server" );
-        vlc_object_attach( p_vlm->p_vod, p_vlm->p_libvlc );
+                                          "vod server" );
         p_vlm->p_vod->p_module = module_need( p_vlm->p_vod, "vod server", "$vod-server", false );
         if( !p_vlm->p_vod->p_module )
         {
@@ -784,7 +788,7 @@ static int vlm_ControlMediaAdd( vlm_t *p_vlm, vlm_media_t *p_cfg, int64_t *p_id
     p_media->cfg.id = p_vlm->i_id++;
     /* FIXME do we do something here if enabled is true ? */
 
-    p_media->vod.p_item = input_item_New( p_vlm, NULL, NULL );
+    p_media->vod.p_item = input_item_New( NULL, NULL );
 
     p_media->vod.p_media = NULL;
     TAB_INIT( p_media->i_instance, p_media->instance );
@@ -899,12 +903,11 @@ static vlm_media_instance_sys_t *vlm_MediaInstanceNew( vlm_t *p_vlm, const char
     if( psz_name )
         p_instance->psz_name = strdup( psz_name );
 
-    p_instance->p_item = input_item_New( p_vlm, NULL, NULL );
+    p_instance->p_item = input_item_New( NULL, NULL );
 
     p_instance->i_index = 0;
     p_instance->b_sout_keep = false;
     p_instance->p_parent = vlc_object_create( p_vlm, sizeof (vlc_object_t) );
-    vlc_object_attach( p_instance->p_parent, p_vlm->p_libvlc );
     p_instance->p_input = NULL;
     p_instance->p_input_resource = NULL;
 
@@ -916,10 +919,9 @@ static void vlm_MediaInstanceDelete( vlm_t *p_vlm, int64_t id, vlm_media_instanc
     if( p_input )
     {
         input_Stop( p_input, true );
-        vlc_thread_join( p_input );
-
+        input_Join( p_input );
         var_DelCallback( p_instance->p_input, "intf-event", InputEvent, p_media );
-        vlc_object_release( p_input );
+        input_Release( p_input );
 
         vlm_SendEventMediaInstanceStopped( p_vlm, id, p_media->cfg.psz_name );
     }
@@ -1012,10 +1014,9 @@ static int vlm_ControlMediaInstanceStart( vlm_t *p_vlm, int64_t id, const char *
 
 
         input_Stop( p_input, true );
-        vlc_thread_join( p_input );
-
+        input_Join( p_input );
         var_DelCallback( p_instance->p_input, "intf-event", InputEvent, p_media );
-        vlc_object_release( p_input );
+        input_Release( p_input );
 
         if( !p_instance->b_sout_keep )
             input_resource_TerminateSout( p_instance->p_input_resource );