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Diffstat (limited to 'apps/codecs/libwmapro/libavutil/mathematics.h')
-rw-r--r-- | apps/codecs/libwmapro/libavutil/mathematics.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/apps/codecs/libwmapro/libavutil/mathematics.h b/apps/codecs/libwmapro/libavutil/mathematics.h deleted file mode 100644 index a09d3e9ad8..0000000000 --- a/apps/codecs/libwmapro/libavutil/mathematics.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg 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 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVUTIL_MATHEMATICS_H -#define AVUTIL_MATHEMATICS_H - -#include <stdint.h> -#include <math.h> -#include "attributes.h" -//#include "rational.h" - -#ifndef M_E -#define M_E 2.7182818284590452354 /* e */ -#endif -#ifndef M_LN2 -#define M_LN2 0.69314718055994530942 /* log_e 2 */ -#endif -#ifndef M_LN10 -#define M_LN10 2.30258509299404568402 /* log_e 10 */ -#endif -#ifndef M_LOG2_10 -#define M_LOG2_10 3.32192809488736234787 /* log_2 10 */ -#endif -#ifndef M_PI -#define M_PI 3.14159265358979323846 /* pi */ -#endif -#ifndef M_SQRT1_2 -#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ -#endif -#ifndef M_SQRT2 -#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ -#endif -#ifndef NAN -#define NAN (0.0/0.0) -#endif -#ifndef INFINITY -#define INFINITY (1.0/0.0) -#endif - -enum AVRounding { - AV_ROUND_ZERO = 0, ///< Round toward zero. - AV_ROUND_INF = 1, ///< Round away from zero. - AV_ROUND_DOWN = 2, ///< Round toward -infinity. - AV_ROUND_UP = 3, ///< Round toward +infinity. - AV_ROUND_NEAR_INF = 5, ///< Round to nearest and halfway cases away from zero. -}; - -/** - * Returns the greatest common divisor of a and b. - * If both a and b are 0 or either or both are <0 then behavior is - * undefined. - */ -int64_t av_const av_gcd(int64_t a, int64_t b); - -/** - * Rescales a 64-bit integer with rounding to nearest. - * A simple a*b/c isn't possible as it can overflow. - */ -int64_t av_rescale(int64_t a, int64_t b, int64_t c) av_const; - -/** - * Rescales a 64-bit integer with specified rounding. - * A simple a*b/c isn't possible as it can overflow. - */ -int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding) av_const; - -/** - * Rescales a 64-bit integer by 2 rational numbers. - */ -//int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const; - -/** - * Compares 2 timestamps each in its own timebases. - * The result of the function is undefined if one of the timestamps - * is outside the int64_t range when represented in the others timebase. - * @return -1 if ts_a is before ts_b, 1 if ts_a is after ts_b or 0 if they represent the same position - */ -//int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b); - - -#endif /* AVUTIL_MATHEMATICS_H */ |