haiku/headers/private/media/MediaMisc.h
beveloper 4d6911ee07 fixed latency calculation
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2998 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-03-23 01:11:33 +00:00

35 lines
1009 B
C++

/*
* Copyright (c) 2003 Marcus Overhagen.
* All Rights Reserved.
*
* This file may be used under the terms of the MIT License.
*/
#ifndef _MEDIA_MISC_H_
#define _MEDIA_MISC_H_
#define IS_INVALID_NODE(_node) ((_node).node <= 0 || (_node).port <= 0)
#define IS_INVALID_NODEID(_id) ((_id) <= 0)
#define IS_INVALID_SOURCE(_src) ((_src).port <= 0)
#define IS_INVALID_DESTINATION(_dest) ((_dest).port <= 0)
#define NODE_UNREGISTERED_ID -2
#define SHADOW_TIMESOURCE_CONTROL_PORT -333
#define IS_SHADOW_TIMESOURCE(_node) ((_node).node > 0 && (_node).port == SHADOW_TIMESOURCE_CONTROL_PORT)
#define SYSTEM_TIMESOURCE_CONTROL_PORT -666
#define IS_SYSTEM_TIMESOURCE(_node) ((_node).node > 0 && (_node).port == SYSTEM_TIMESOURCE_CONTROL_PORT)
#define NODE_KIND_NO_REFCOUNTING 0x80000000
#define ROUND_UP_TO_PAGE(size) (((size) + B_PAGE_SIZE - 1) & ~(B_PAGE_SIZE - 1))
namespace BPrivate { namespace media {
extern team_id team;
} } // BPrivate::media
using namespace BPrivate::media;
#endif