X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fmtime.h;h=458cf35d35ada05935dd81441f937af8fd91adbc;hb=8e5e360b6d896b3dfda5f0783b2aa97127180147;hp=8f779035aa4e557227e9060907148f0ec9ce06d2;hpb=9e3ab283c258cba17e4ca6730d84f9d00d49b068;p=vlc diff --git a/include/mtime.h b/include/mtime.h index 8f779035aa..458cf35d35 100644 --- a/include/mtime.h +++ b/include/mtime.h @@ -8,8 +8,8 @@ * 'm' stands for 'micro', since maximum resolution is the microsecond. * Functions prototyped are implemented in interface/mtime.c. ***************************************************************************** - * Copyright (C) 1996, 1997, 1998, 1999, 2000 VideoLAN - * $Id: mtime.h,v 1.12 2002/06/01 12:31:57 sam Exp $ + * Copyright (C) 1996, 1997, 1998, 1999, 2000 the VideoLAN team + * $Id$ * * Authors: Vincent Seguin * @@ -17,7 +17,7 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the @@ -25,7 +25,7 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** @@ -36,7 +36,7 @@ * returning the date of the first image to be displayed. It can be used in * comparaison with other values: all existing dates will be earlier. *****************************************************************************/ -#define LAST_MDATE ((mtime_t)((u64)(-1)/2)) +#define LAST_MDATE ((mtime_t)((uint64_t)(-1)/2)) /***************************************************************************** * MSTRTIME_MAX_SIZE: maximum possible size of mstrtime @@ -47,6 +47,14 @@ *****************************************************************************/ #define MSTRTIME_MAX_SIZE 22 +/* Well, Duh? But it does clue us in that we are converting from + millisecond quantity to a second quantity or vice versa. +*/ +#define MILLISECONDS_PER_SEC 1000 + +#define msecstotimestr(psz_buffer, msecs) \ + secstotimestr( psz_buffer, (msecs / (int) MILLISECONDS_PER_SEC) ) + /***************************************************************************** * Prototypes *****************************************************************************/ @@ -54,4 +62,22 @@ VLC_EXPORT( char *, mstrtime, ( char *psz_buffer, mtime_t date ) ); VLC_EXPORT( mtime_t, mdate, ( void ) ); VLC_EXPORT( void, mwait, ( mtime_t date ) ); VLC_EXPORT( void, msleep, ( mtime_t delay ) ); +VLC_EXPORT( char *, secstotimestr, ( char *psz_buffer, int secs ) ); + +/***************************************************************************** + * date_t: date incrementation without long-term rounding errors + *****************************************************************************/ +struct date_t +{ + mtime_t date; + uint32_t i_divider_num; + uint32_t i_divider_den; + uint32_t i_remainder; +}; +VLC_EXPORT( void, date_Init, ( date_t *, uint32_t, uint32_t ) ); +VLC_EXPORT( void, date_Change, ( date_t *, uint32_t, uint32_t ) ); +VLC_EXPORT( void, date_Set, ( date_t *, mtime_t ) ); +VLC_EXPORT( mtime_t, date_Get, ( const date_t * ) ); +VLC_EXPORT( void, date_Move, ( date_t *, mtime_t ) ); +VLC_EXPORT( mtime_t, date_Increment, ( date_t *, uint32_t ) );