Added vout_GetSpu to retreive the spu_t object from the vout.

It will allow hiding vout_thread_t fields.

include/vlc_vout.h

@@ -310,6 +310,15 @@ VLC_EXPORT( void,            vout_LinkPicture,    ( vout_thread_t *, picture_t *
 VLC_EXPORT( void,            vout_UnlinkPicture,  ( vout_thread_t *, picture_t * ) );
 VLC_EXPORT( void,            vout_PlacePicture,   ( const vout_thread_t *, unsigned int, unsigned int, unsigned int *, unsigned int *, unsigned int *, unsigned int * ) );
 
+/**
+ * Return the spu_t object associated to a vout_thread_t.
+ *
+ * The return object is valid only as long as the vout is. You must not
+ * release the spu_t object returned.
+ * It cannot return NULL so no need to check.
+ */
+VLC_EXPORT( spu_t *, vout_GetSpu, ( vout_thread_t * ) );
+
 void vout_IntfInit( vout_thread_t * );
 VLC_EXPORT( void, vout_EnableFilter, ( vout_thread_t *, char *,bool , bool  ) );
 

src/libvlccore.sym

@@ -542,6 +542,7 @@ vout_DestroyPicture
 vout_DisplayPicture
 vout_EnableFilter
 vout_GetSnapshot
+vout_GetSpu
 vout_LinkPicture
 vout_OSDIcon
 __vout_OSDMessage

src/video_output/video_output.c

@@ -800,6 +800,11 @@ void vout_DisplayTitle( vout_thread_t *p_vout, const char *psz_title )
     vlc_mutex_unlock( &p_vout->change_lock );
 }
 
+spu_t *vout_GetSpu( vout_thread_t *p_vout )
+{
+    return p_vout->p_spu;
+}
+
 /*****************************************************************************
  * InitThread: initialize video output thread
  *****************************************************************************