diff options
Diffstat (limited to 'Lua/src/lib/ffmpeg/mathematics.pas')
| -rw-r--r-- | Lua/src/lib/ffmpeg/mathematics.pas | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/Lua/src/lib/ffmpeg/mathematics.pas b/Lua/src/lib/ffmpeg/mathematics.pas index 606d9189..f3a307b6 100644 --- a/Lua/src/lib/ffmpeg/mathematics.pas +++ b/Lua/src/lib/ffmpeg/mathematics.pas @@ -26,8 +26,16 @@ (* * Conversion of libavutil/mathematics.h - * revision 15120, Sun Aug 31 07:39:47 2008 UTC + * revision 16844, Wed Jan 28 08:50:10 2009 UTC + * + * update, MiSchi, no code change + * Fri Jun 12 2009 21:50:00 UTC *) +{ + * update to + * avutil max. version 50.05.1, Sun, Dec 6 24:00:00 2009 UTC + * MiSchi +} unit mathematics; @@ -52,32 +60,41 @@ const M_LN10 = 2.30258509299404568402; // log_e 10 M_PI = 3.14159265358979323846; // pi M_SQRT1_2 = 0.70710678118654752440; // 1/sqrt(2) +{$IF LIBAVUTIL_VERSION >= 50005001} // >= 50.5.1 + NAN = 0.0/0.0; + INFINITY = 1.0/0.0; +{$IFEND} type TAVRounding = ( - 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 + 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. ); +{$IF LIBAVUTIL_VERSION >= 49013000} // 49.13.0 +function av_gcd(a: cint64; b: cint64): cint64; + cdecl; external av__util; {av_const} +{$IFEND} + (** - * rescale a 64bit integer with rounding to nearest. - * a simple a*b/c isn't possible as it can overflow + * Rescales a 64-bit integer with rounding to nearest. + * A simple a*b/c isn't possible as it can overflow. *) function av_rescale (a, b, c: cint64): cint64; cdecl; external av__util; {av_const} (** - * rescale a 64bit integer with specified rounding. - * a simple a*b/c isn't possible as it can overflow + * Rescales a 64-bit integer with specified rounding. + * A simple a*b/c isn't possible as it can overflow. *) function av_rescale_rnd (a, b, c: cint64; enum: TAVRounding): cint64; cdecl; external av__util; {av_const} (** - * rescale a 64bit integer by 2 rational numbers. + * Rescales a 64-bit integer by 2 rational numbers. *) function av_rescale_q (a: cint64; bq, cq: TAVRational): cint64; cdecl; external av__util; {av_const} @@ -85,4 +102,3 @@ function av_rescale_q (a: cint64; bq, cq: TAVRational): cint64; implementation end. - |