1 files changed, 0 insertions, 170 deletions
diff --git a/src/lib/ffmpeg7/rational.pas b/src/lib/ffmpeg7/rational.pas
deleted file mode 100644
index 45ca8b87..00000000
--- a/src/lib/ffmpeg7/rational.pas
+++ /dev/null
@@ -1,170 +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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * This is a part of Pascal porting of ffmpeg.
- * - Originally by Victor Zinetz for Delphi and Free Pascal on Windows.
- * - For Mac OS X, some modifications were made by The Creative CAT, denoted as CAT
- *   in the source codes.
- * - Changes and updates by the UltraStar Deluxe Team
- *
- * Conversion of libavutil/rational.h
- * avutil version 50.43.0
- *
- *)
-
-unit rational;
-
-{$IFDEF FPC}
-  {$MODE DELPHI}
-  {$PACKENUM 4}    (* use 4-byte enums *)
-  {$PACKRECORDS C} (* C/C++-compatible record packing *)
-{$ELSE}
-  {$MINENUMSIZE 4} (* use 4-byte enums *)
-{$ENDIF}
-
-{$I switches.inc}
-
-interface
-
-uses
-  ctypes,
-  UConfig;
-
-type
-  (*
-   * rational number numerator/denominator
-   *)
-  PAVRational = ^TAVRational;
-  TAVRational = record
-    num: cint; ///< numerator
-    den: cint; ///< denominator
-  end;
-
-  TAVRationalArray = array[0 .. (MaxInt div SizeOf(TAVRational))-1] of TAVRational;
-  PAVRationalArray = ^TAVRationalArray;
-
-(**
- * Compare two rationals.
- * @param a first rational
- * @param b second rational
- * @return 0 if a==b, 1 if a>b and -1 if a<b
- *)
-function av_cmp_q(a: TAVRational; b: TAVRational): cint; {$IFDEF HasInline}inline;{$ENDIF}
-
-(**
- * Convert rational to double.
- * @param a rational to convert
- * @return (double) a
- *)
-function av_q2d(a: TAVRational): cdouble; {$IFDEF HasInline}inline;{$ENDIF}
-
-(**
- * Reduce a fraction.
- * This is useful for framerate calculations.
- * @param dst_num destination numerator
- * @param dst_den destination denominator
- * @param num source numerator
- * @param den source denominator
- * @param max the maximum allowed for dst_num & dst_den
- * @return 1 if exact, 0 otherwise
- *)
-function av_reduce(dst_num: PCint; dst_den: PCint; num: cint64; den: cint64; max: cint64): cint;
-  cdecl; external av__util;
-
-(**
- * Multiply two rationals.
- * @param b first rational
- * @param c second rational
- * @return b*c
- *)
-function av_mul_q(b: TAVRational; c: TAVRational): TAVRational;
-  cdecl; external av__util; {av_const}
-
-(**
- * Divide one rational by another.
- * @param b first rational
- * @param c second rational
- * @return b/c
- *)
-function av_div_q(b: TAVRational; c: TAVRational): TAVRational;
-  cdecl; external av__util; {av_const}
-
-(**
- * Add two rationals.
- * @param b first rational
- * @param c second rational
- * @return b+c
- *)
-function av_add_q(b: TAVRational; c: TAVRational): TAVRational;
-  cdecl; external av__util; {av_const}
-
-(**
- * Subtract one rational from another.
- * @param b first rational
- * @param c second rational
- * @return b-c
- *)
-function av_sub_q(b: TAVRational; c: TAVRational): TAVRational;
-  cdecl; external av__util; {av_const}
-
-(**
- * Convert a double precision floating point number to a rational.
- * inf is expressed as {1,0} or {-1,0} depending on the sign.
- *
- * @param d double to convert
- * @param max the maximum allowed numerator and denominator
- * @return (AVRational) d
- *)
-function av_d2q(d: cdouble; max: cint): TAVRational;
-  cdecl; external av__util; {av_const}
-
-(**
- * @return 1 if q1 is nearer to q than q2, -1 if q2 is nearer
- * than q1, 0 if they have the same distance.
- *)
-function av_nearer_q(q, q1, q2: TAVRational): cint;
-  cdecl; external av__util;
-
-(**
- * Find the nearest value in q_list to q.
- * @param q_list an array of rationals terminated by {0, 0}
- * @return the index of the nearest value found in the array
- *)
-function av_find_nearest_q_idx(q: TAVRational; q_list: {const} PAVRationalArray): cint;
-  cdecl; external av__util;
-
-implementation
-
-function av_cmp_q (a: TAVRational; b: TAVRational): cint;
-var
-  tmp: cint64;
-begin
-  tmp := a.num * cint64(b.den) - b.num * cint64(a.den);
-
-  if (tmp <> 0) then
-    Result := (tmp shr 63) or 1
-  else
-    Result := 0
-end;
-
-function av_q2d(a: TAVRational): cdouble;
-begin
-  Result := a.num / a.den;
-end;
-
-end.