[vlc-devel] [PATCH] Extend libvlc Media Player API for DVD menu navigation

[Arnaud Vallat]

---
 include/vlc/libvlc_media_player.h |   37 +++++++++++++++++++++++++++++++++
 src/control/media_player.c        |   41 +++++++++++++++++++++++++++++++++++++
 src/libvlc.sym                    |    1 +
 3 files changed, 79 insertions(+), 0 deletions(-)

diff --git a/include/vlc/libvlc_media_player.h b/include/vlc/libvlc_media_player.h
index d328e51..e7e5a00 100644
--- a/include/vlc/libvlc_media_player.h
+++ b/include/vlc/libvlc_media_player.h
@@ -96,6 +96,18 @@ typedef enum libvlc_video_marquee_option_t {
 } libvlc_video_marquee_option_t;
 
 /**
+ * Navigation mode
+ */
+typedef enum libvlc_navigation_mode_t
+{
+    libvlc_navigate_up = 0,
+    libvlc_navigate_down,
+    libvlc_navigate_right,
+    libvlc_navigate_left,
+    libvlc_navigate_activate
+} libvlc_navigate_mode_t;
+
+/**
  * Create an empty Media Player object
  *
  * \param p_libvlc_instance the libvlc instance in which the Media Player
@@ -549,6 +561,31 @@ VLC_PUBLIC_API int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi );
  */
 VLC_PUBLIC_API void libvlc_media_player_next_frame( libvlc_media_player_t *p_mi );
 
+/**
+ * Navigate through DVD menu
+ *
+ * \param p_mi the Media Player
+ * \param i_navigate the Navigation mode
+ */
+VLC_PUBLIC_API void libvlc_media_player_navigate( libvlc_media_player_t *p_mi,
+						  int i_navigate );
+
+#define libvlc_media_player_navigate_up( a )			\
+  libvlc_media_player_navigate( (a), libvlc_navigate_up )
+
+#define libvlc_media_player_navigate_down( a )			\
+  libvlc_media_player_navigate( (a), libvlc_navigate_down )
+
+#define libvlc_media_player_navigate_left( a )			\
+  libvlc_media_player_navigate( (a), libvlc_navigate_left )
+  
+#define libvlc_media_player_navigate_right( a )			\
+  libvlc_media_player_navigate( (a), libvlc_navigate_right )
+
+#define libvlc_media_player_navigate_activate( a )		\
+  libvlc_media_player_navigate( (a), libvlc_navigate_activate )
+
+
 
 
 /**
diff --git a/src/control/media_player.c b/src/control/media_player.c
index 328a7e4..cc38096 100644
--- a/src/control/media_player.c
+++ b/src/control/media_player.c
@@ -34,6 +34,7 @@
 #include <vlc_demux.h>
 #include <vlc_input.h>
 #include <vlc_vout.h>
+#include <vlc_keys.h>
 
 #include "libvlc.h"
 
@@ -1200,6 +1201,46 @@ int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi )
     return b_seekable;
 }
 
+void libvlc_media_player_navigate( libvlc_media_player_t *p_mi,
+				   int i_navigate )
+{
+    input_thread_t *p_input_thread;
+    vlc_key_t i_key = 0;
+
+    p_input_thread = libvlc_get_input_thread ( p_mi );
+    if ( !p_input_thread )
+        return;
+
+    switch (i_navigate)
+      {
+      case libvlc_navigate_up:
+	i_key = vlc_GetActionId("key-nav-up");
+	break;
+
+      case libvlc_navigate_down:
+	i_key = vlc_GetActionId("key-nav-down");
+	break;
+
+      case libvlc_navigate_left:
+	i_key = vlc_GetActionId("key-nav-left");
+	break;
+
+      case libvlc_navigate_right:
+	i_key = vlc_GetActionId("key-nav-right");
+	break;
+
+      case libvlc_navigate_activate:
+	i_key = vlc_GetActionId("key-nav-activate");
+	break;
+      }
+
+    if ( i_key )
+        var_SetInteger( p_mi->p_libvlc_instance->p_libvlc_int,
+			"key-action", i_key );
+
+    vlc_object_release( p_input_thread );
+}
+
 /* internal function, used by audio, video */
 libvlc_track_description_t *
         libvlc_get_track_description( libvlc_media_player_t *p_mi,
diff --git a/src/libvlc.sym b/src/libvlc.sym
index afaf901..f635a68 100644
--- a/src/libvlc.sym
+++ b/src/libvlc.sym
@@ -149,6 +149,7 @@ libvlc_media_player_set_title
 libvlc_media_player_set_xwindow
 libvlc_media_player_stop
 libvlc_media_player_will_play
+libvlc_media_player_navigate
 libvlc_media_release
 libvlc_media_retain
 libvlc_media_save_meta
-- 
1.7.0.4