vlc_variables.h

mips版本的VLC视频服务器

 *
 * \param p_obj The object that holds the variable
 * \param psz_name The name of the variable
 */
LIBVLC_USED
static inline int __var_GetBool( vlc_object_t *p_obj, const char *psz_name )
{
    vlc_value_t val; val.b_bool = false;

    __var_AssertType( p_obj, psz_name, VLC_VAR_BOOL );
    if( !__var_Get( p_obj, psz_name, &val ) )
        return val.b_bool;
    else
        return false;
}

/**
 * Get a time value
 *
 * \param p_obj The object that holds the variable
 * \param psz_name The name of the variable
 */
LIBVLC_USED
static inline int64_t __var_GetTime( vlc_object_t *p_obj, const char *psz_name )
{
    vlc_value_t val; val.i_time = 0L;
    __var_AssertType( p_obj, psz_name, VLC_VAR_TIME );
    if( !__var_Get( p_obj, psz_name, &val ) )
        return val.i_time;
    else
        return 0;
}

/**
 * Get a float value
 *
 * \param p_obj The object that holds the variable
 * \param psz_name The name of the variable
 */
LIBVLC_USED
static inline float __var_GetFloat( vlc_object_t *p_obj, const char *psz_name )
{
    vlc_value_t val; val.f_float = 0.0;
    __var_AssertType( p_obj, psz_name, VLC_VAR_FLOAT );
    if( !__var_Get( p_obj, psz_name, &val ) )
        return val.f_float;
    else
        return 0.0;
}

/**
 * Get a string value
 *
 * \param p_obj The object that holds the variable
 * \param psz_name The name of the variable
 */
LIBVLC_USED
static inline char *__var_GetString( vlc_object_t *p_obj, const char *psz_name )
{
    vlc_value_t val; val.psz_string = NULL;
    __var_AssertType( p_obj, psz_name, VLC_VAR_STRING );
    if( __var_Get( p_obj, psz_name, &val ) )
        return NULL;
    else
        return val.psz_string;
}

LIBVLC_USED
static inline char *__var_GetNonEmptyString( vlc_object_t *p_obj, const char *psz_name )
{
    vlc_value_t val;
    __var_AssertType( p_obj, psz_name, VLC_VAR_STRING );
    if( __var_Get( p_obj, psz_name, &val ) )
        return NULL;
    if( *val.psz_string )
        return val.psz_string;
    free( val.psz_string );
    return NULL;
}


/**
 * __var_GetInteger() with automatic casting
 */
#define var_GetInteger(a,b)   __var_GetInteger( VLC_OBJECT(a),b)
/**
 * __var_GetBool() with automatic casting
 */
#define var_GetBool(a,b)   __var_GetBool( VLC_OBJECT(a),b)
/**
 * __var_GetTime() with automatic casting
 */
#define var_GetTime(a,b)   __var_GetTime( VLC_OBJECT(a),b)
/**
 * __var_GetFloat() with automatic casting
 */
#define var_GetFloat(a,b)   __var_GetFloat( VLC_OBJECT(a),b)
/**
 * __var_GetString() with automatic casting
 */
#define var_GetString(a,b)   __var_GetString( VLC_OBJECT(a),b)
#define var_GetNonEmptyString(a,b)   __var_GetNonEmptyString( VLC_OBJECT(a),b)



/**
 * Increment an integer variable
 * \param p_obj the object that holds the variable
 * \param psz_name the name of the variable
 */
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 );
}
#define var_IncInteger(a,b) __var_IncInteger( VLC_OBJECT(a), b )

/**
 * Decrement an integer variable
 * \param p_obj the object that holds the variable
 * \param psz_name the name of the variable
 */
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 );
}
#define var_DecInteger(a,b) __var_DecInteger( VLC_OBJECT(a), b )

/**
 * Create a integer 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 int __var_CreateGetInteger( vlc_object_t *p_obj, const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
    return __var_GetInteger( p_obj, psz_name );
}

/**
 * Create a boolean 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 int __var_CreateGetBool( vlc_object_t *p_obj, const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
    return __var_GetBool( p_obj, psz_name );
}

/**
 * Create a time 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 int64_t __var_CreateGetTime( vlc_object_t *p_obj, const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_TIME | VLC_VAR_DOINHERIT );
    return __var_GetTime( p_obj, psz_name );
}

/**
 * Create a float 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 float __var_CreateGetFloat( vlc_object_t *p_obj, const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
    return __var_GetFloat( p_obj, psz_name );
}

/**
 * Create a string 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 char *__var_CreateGetString( vlc_object_t *p_obj,
                                           const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    return __var_GetString( p_obj, psz_name );
}

LIBVLC_USED
static inline char *__var_CreateGetNonEmptyString( vlc_object_t *p_obj,
                                                   const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    return __var_GetNonEmptyString( p_obj, psz_name );
}

/**
 * __var_CreateGetInteger() with automatic casting
 */
#define var_CreateGetInteger(a,b)   __var_CreateGetInteger( VLC_OBJECT(a),b)
/**
 * __var_CreateGetBool() with automatic casting
 */
#define var_CreateGetBool(a,b)   __var_CreateGetBool( VLC_OBJECT(a),b)
/**
 * __var_CreateGetTime() with automatic casting
 */
#define var_CreateGetTime(a,b)   __var_CreateGetTime( VLC_OBJECT(a),b)
/**
 * __var_CreateGetFloat() with automatic casting
 */
#define var_CreateGetFloat(a,b)   __var_CreateGetFloat( VLC_OBJECT(a),b)
/**
 * __var_CreateGetString() with automatic casting
 */
#define var_CreateGetString(a,b)   __var_CreateGetString( VLC_OBJECT(a),b)
#define var_CreateGetNonEmptyString(a,b)   __var_CreateGetNonEmptyString( VLC_OBJECT(a),b)

/**
 * Create a integer command 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 int __var_CreateGetIntegerCommand( vlc_object_t *p_obj, const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_INTEGER | VLC_VAR_DOINHERIT
                                   | VLC_VAR_ISCOMMAND );
    return __var_GetInteger( p_obj, psz_name );
}

/**
 * Create a boolean command 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 int __var_CreateGetBoolCommand( vlc_object_t *p_obj, const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_BOOL | VLC_VAR_DOINHERIT
                                   | VLC_VAR_ISCOMMAND );
    return __var_GetBool( p_obj, psz_name );
}

/**
 * Create a time command 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 int64_t __var_CreateGetTimeCommand( vlc_object_t *p_obj, const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_TIME | VLC_VAR_DOINHERIT
                                   | VLC_VAR_ISCOMMAND );
    return __var_GetTime( p_obj, psz_name );
}

/**
 * Create a float command 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 float __var_CreateGetFloatCommand( vlc_object_t *p_obj, const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
                                   | VLC_VAR_ISCOMMAND );
    return __var_GetFloat( p_obj, psz_name );
}

/**
 * Create a string command 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 char *__var_CreateGetStringCommand( vlc_object_t *p_obj,
                                           const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_STRING | VLC_VAR_DOINHERIT
                                   | VLC_VAR_ISCOMMAND );
    return __var_GetString( p_obj, psz_name );
}

LIBVLC_USED
static inline char *__var_CreateGetNonEmptyStringCommand( vlc_object_t *p_obj,
                                                   const char *psz_name )
{
    __var_Create( p_obj, psz_name, VLC_VAR_STRING | VLC_VAR_DOINHERIT
                                   | VLC_VAR_ISCOMMAND );
    return __var_GetNonEmptyString( p_obj, psz_name );
}

/**
 * __var_CreateGetInteger() with automatic casting
 */
#define var_CreateGetIntegerCommand(a,b)   __var_CreateGetIntegerCommand( VLC_OBJECT(a),b)
/**
 * __var_CreateGetBoolCommand() with automatic casting
 */
#define var_CreateGetBoolCommand(a,b)   __var_CreateGetBoolCommand( VLC_OBJECT(a),b)
/**
 * __var_CreateGetTimeCommand() with automatic casting
 */
#define var_CreateGetTimeCommand(a,b)   __var_CreateGetTimeCommand( VLC_OBJECT(a),b)
/**
 * __var_CreateGetFloat() with automatic casting
 */
#define var_CreateGetFloatCommand(a,b)   __var_CreateGetFloatCommand( VLC_OBJECT(a),b)
/**
 * __var_CreateGetStringCommand() with automatic casting
 */
#define var_CreateGetStringCommand(a,b)   __var_CreateGetStringCommand( VLC_OBJECT(a),b)
#define var_CreateGetNonEmptyStringCommand(a,b)   __var_CreateGetNonEmptyStringCommand( VLC_OBJECT(a),b)
/**
 * @}
 */
#endif /*  _VLC_VARIABLES_H */