diff options
author | Miguel Freitas <miguelfreitas@users.sourceforge.net> | 2005-10-23 02:11:16 +0000 |
---|---|---|
committer | Miguel Freitas <miguelfreitas@users.sourceforge.net> | 2005-10-23 02:11:16 +0000 |
commit | 712a40b59a0f451a558d88db1f9f124463016f97 (patch) | |
tree | 82bc80e9b7a5ba09c01acf205c8ac1e20c44914f /src/libffmpeg/libavcodec/rational.h | |
parent | 640063a719556f8569fe848528b39660c6fc31a6 (diff) | |
download | xine-lib-712a40b59a0f451a558d88db1f9f124463016f97.tar.gz xine-lib-712a40b59a0f451a558d88db1f9f124463016f97.tar.bz2 |
big ffmpeg update
it is likely to break, so please keep both pieces
CVS patchset: 7767
CVS date: 2005/10/23 02:11:16
Diffstat (limited to 'src/libffmpeg/libavcodec/rational.h')
-rw-r--r-- | src/libffmpeg/libavcodec/rational.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/src/libffmpeg/libavcodec/rational.h b/src/libffmpeg/libavcodec/rational.h deleted file mode 100644 index fcda759c4..000000000 --- a/src/libffmpeg/libavcodec/rational.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Rational numbers - * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -/** - * @file rational.h - * Rational numbers. - * @author Michael Niedermayer <michaelni@gmx.at> - */ - -#ifndef RATIONAL_H -#define RATIONAL_H - -/** - * Rational number num/den. - */ -typedef struct AVRational{ - int num; ///< numerator - int den; ///< denominator -} AVRational; - -/** - * returns 0 if a==b, 1 if a>b and -1 if a<b. - */ -static inline int av_cmp_q(AVRational a, AVRational b){ - const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den; - - if(tmp) return (tmp>>63)|1; - else return 0; -} - -/** - * converts the given AVRational to a double. - */ -static inline double av_q2d(AVRational a){ - return a.num / (double) a.den; -} - -AVRational av_mul_q(AVRational b, AVRational c); -AVRational av_div_q(AVRational b, AVRational c); -AVRational av_add_q(AVRational b, AVRational c); -AVRational av_sub_q(AVRational b, AVRational c); -AVRational av_d2q(double d, int max); - -#endif // RATIONAL_H |