osx/framework: extended API to cover titles, fps, playback modes and some convienienc...

[vlc] / include / vlc_variables.h

diff --git a/include/vlc_variables.h b/include/vlc_variables.h
index aaada0d133d4135187827c2f7f20ef7a4067efbd..21c32f3ecce1f57d22710e551fbb8d39c5b77b68 100644 (file)
--- a/include/vlc_variables.h
+++ b/include/vlc_variables.h
@@ -124,6 +124,11 @@
  * \param val Unused
  */
 #define VLC_VAR_TOGGLE_BOOL         0x0010
+/**
+ * Increment or decrement an integer of a given value
+ * \param val the value
+ */
+#define VLC_VAR_INTEGER_INCDEC      0x0020
 /**@}*/
 
 /*****************************************************************************
@@ -411,6 +416,15 @@ static inline char *__var_GetNonEmptyString( vlc_object_t *p_obj, const char *ps
     return NULL;
 }
 
+LIBVLC_USED
+static inline void *__var_GetAddress( vlc_object_t *p_obj, const char *psz_name )
+{
+    vlc_value_t val;
+    if( var_GetChecked( p_obj, psz_name, VLC_VAR_ADDRESS, &val ) )
+        return NULL;
+    else
+        return val.p_address;
+}
 
 /**
  * __var_GetInteger() with automatic casting
@@ -433,6 +447,10 @@ static inline char *__var_GetNonEmptyString( vlc_object_t *p_obj, const char *ps
  */
 #define var_GetString(a,b)   __var_GetString( VLC_OBJECT(a),b)
 #define var_GetNonEmptyString(a,b)   __var_GetNonEmptyString( VLC_OBJECT(a),b)
+/**
+ * __var_GetAddress() with automatic casting
+ */
+#define var_GetAddress(a,b)  __var_GetAddress( VLC_OBJECT(a),b)
 
 
 
@@ -443,8 +461,9 @@ static inline char *__var_GetNonEmptyString( vlc_object_t *p_obj, const char *ps
  */
 static inline void __var_IncInteger( vlc_object_t *p_obj, const char *psz_name )
 {
-    int i_val = __var_GetInteger( p_obj, psz_name );
-    __var_SetInteger( p_obj, psz_name, ++i_val );
+    vlc_value_t val;
+    val.i_int = 1;
+    __var_GetAndSet( p_obj, psz_name, VLC_VAR_INTEGER_INCDEC, val );
 }
 #define var_IncInteger(a,b) __var_IncInteger( VLC_OBJECT(a), b )
 
@@ -455,8 +474,9 @@ static inline void __var_IncInteger( vlc_object_t *p_obj, const char *psz_name )
  */
 static inline void __var_DecInteger( vlc_object_t *p_obj, const char *psz_name )
 {
-    int i_val = __var_GetInteger( p_obj, psz_name );
-    __var_SetInteger( p_obj, psz_name, --i_val );
+    vlc_value_t val;
+    val.i_int = -1;
+    __var_GetAndSet( p_obj, psz_name, VLC_VAR_INTEGER_INCDEC, val );
 }
 #define var_DecInteger(a,b) __var_DecInteger( VLC_OBJECT(a), b )
 
@@ -534,6 +554,20 @@ static inline char *__var_CreateGetNonEmptyString( vlc_object_t *p_obj,
     return __var_GetNonEmptyString( p_obj, psz_name );
 }
 
+/**
+ * Create an address variable with inherit and get its value.
+ *
+ * \param p_obj The object that holds the variable
+ * \param psz_name The name of the variable
+ */
+LIBVLC_USED
+static inline void *__var_CreateGetAddress( vlc_object_t *p_obj,
+                                           const char *psz_name )
+{
+    __var_Create( p_obj, psz_name, VLC_VAR_ADDRESS | VLC_VAR_DOINHERIT );
+    return __var_GetAddress( p_obj, psz_name );
+}
+
 /**
  * __var_CreateGetInteger() with automatic casting
  */
@@ -555,6 +589,10 @@ static inline char *__var_CreateGetNonEmptyString( vlc_object_t *p_obj,
  */
 #define var_CreateGetString(a,b)   __var_CreateGetString( VLC_OBJECT(a),b)
 #define var_CreateGetNonEmptyString(a,b)   __var_CreateGetNonEmptyString( VLC_OBJECT(a),b)
+/**
+ * __var_CreateGetString() with automatic casting
+ */
+#define var_CreateGetAddress(a,b)  __var_CreateGetAddress( VLC_OBJECT(a),b)
 
 /**
  * Create a integer command variable with inherit and get its value.
@@ -658,6 +696,7 @@ static inline char *__var_CreateGetNonEmptyStringCommand( vlc_object_t *p_obj,
 #define var_CreateGetStringCommand(a,b)   __var_CreateGetStringCommand( VLC_OBJECT(a),b)
 #define var_CreateGetNonEmptyStringCommand(a,b)   __var_CreateGetNonEmptyStringCommand( VLC_OBJECT(a),b)
 
+LIBVLC_USED
 static inline int __var_CountChoices( vlc_object_t *p_obj, const char *psz_name )
 {
     vlc_value_t count;