diff options
Diffstat (limited to 'TAO/orbsvcs/orbsvcs/AV/media-timer.cpp')
-rw-r--r-- | TAO/orbsvcs/orbsvcs/AV/media-timer.cpp | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/TAO/orbsvcs/orbsvcs/AV/media-timer.cpp b/TAO/orbsvcs/orbsvcs/AV/media-timer.cpp deleted file mode 100644 index 2e55c0e2516..00000000000 --- a/TAO/orbsvcs/orbsvcs/AV/media-timer.cpp +++ /dev/null @@ -1,90 +0,0 @@ -//$Id$ -/* - * Copyright (c) 1995 Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the Computer Systems - * Engineering Group at Lawrence Berkeley Laboratory. - * 4. Neither the name of the University nor of the Laboratory may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* -static const char rcsid[] = - "@(#) $Header$"; -*/ - -#include "media-timer.h" -#include <math.h> - - -MediaTimer* MediaTimer::instance_; - -MediaTimer::MediaTimer() -{ - instance_ = this; - offset_ = ACE_OS::rand (); -} - -MediaTimer::~MediaTimer() -{ - instance_ = 0; -} - -/* - * Default media timestamp -- convert unix system clock - * into a 90Khz timestamp. Grabbers override this virtual - * method if they can provide their own time base. - * - * XXX - * We save the corresponding unix time stamp to handle the - * unix_ts() call the transmitter will make to get the correspondence - * between the media timestamp & unix time. - */ -ACE_UINT32 MediaTimer::media_ts() -{ - //timeval tv; - ACE_Time_Value tv = ACE_OS::gettimeofday(); - ACE_UINT32 u = tv.usec (); - u = (u << 3) + u; /* x 9 */ - /* sec * 90Khz + (usec * 90Khz) / 1e6 */ - u = tv.sec () * 90000 + (u / 100); - return (u + offset_); -} - -/* - * compute media time corresponding to the current unix time. - * in this generic routine, this is the same as media_ts() but, - * if a grabber has hardware or kernel timestamping, this routine - * must compute the correspondence between the hardware timestamp - * and the unix clock and appropriately offset the timestamp to - * correspond to the current clock. (This information if vital - * for cross-media synchronization.) - */ -ACE_UINT32 MediaTimer::ref_ts() -{ - return (media_ts()); -} |