tested ffmpeg in lazarus - linux..

working :)

just need to make sure development packages are installed for ffmpeg.
such as : libavcodec-dev  & libavformat-dev



git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@405 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 96 insertions, 88 deletions

diff --git a/Game/Code/lib/ffmpeg/rational.pas b/Game/Code/lib/ffmpeg/rational.pas
index a996e1df..40d1f093 100644
--- a/Game/Code/lib/ffmpeg/rational.pas
+++ b/Game/Code/lib/ffmpeg/rational.pas
@@ -1,88 +1,96 @@
-(*

- * 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

- *)

-unit rational;

-

-interface

-

-uses

-  windows;

-

-const

-  av__util = 'avutil-49.dll';

-

-type

-

-(*

- * Rational number num/den. *)

-  PAVRational = ^TAVRational;

-  TAVRational = record

-    num: integer; ///< numerator

-    den: integer; ///< denominator

-  end;

-

-(**

- * returns 0 if a==b, 1 if a>b and -1 if a<b.

- *)

-function av_cmp_q(a: TAVRational; b: TAVRational): integer;

-

-(**

- * converts the given AVRational to a double.

- *)

-function av_q2d(a: TAVRational): double;

-

-(**

- * reduce a fraction.

- * this is usefull for framerate calculations

- * @param max the maximum allowed for dst_nom & dst_den

- * @return 1 if exact, 0 otherwise

- *)

-function av_reduce(dst_nom: pinteger; dst_den: PInteger; nom: int64; den: int64; max: int64): integer;

-  cdecl; external av__util;

-

-function av_mul_q(b: TAVRational; c: TAVRational): TAVRational;

-  cdecl; external av__util;

-function av_div_q(b: TAVRational; c: TAVRational): TAVRational;

-  cdecl; external av__util;

-function av_add_q(b: TAVRational; c: TAVRational): TAVRational;

-  cdecl; external av__util;

-function av_sub_q(b: TAVRational; c: TAVRational): TAVRational;

-  cdecl; external av__util;

-function av_d2q(d: double; max: integer): TAVRational;

-  cdecl; external av__util;

-

-implementation

-

-function av_cmp_q (a: TAVRational; b: TAVRational): integer;

-var

-  tmp: int64;

-begin

-  tmp := a.num * b.den - b.num * a.den;

-

-  if tmp = 0 then

-    Result := (tmp shr 63) or 1

-  else

-    Result := 0;

-end;

-

-function av_q2d(a: TAVRational): double;

-begin

-  Result := a.num / a.den;

-end;

-

-end.

+(*
+ * 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
+ *)
+unit rational;
+
+interface
+
+{$IFDEF win32}
+uses
+  windows;
+{$endif}
+
+const
+
+  {$IFDEF win32}
+    av__util = 'avutil-49.dll';
+  {$ELSE}
+    av__util = 'libavutil.so';  // .0d
+  {$ENDIF}
+
+
+type
+
+(*
+ * Rational number num/den. *)
+  PAVRational = ^TAVRational;
+  TAVRational = record
+    num: integer; ///< numerator
+    den: integer; ///< denominator
+  end;
+
+(**
+ * returns 0 if a==b, 1 if a>b and -1 if a<b.
+ *)
+function av_cmp_q(a: TAVRational; b: TAVRational): integer;
+
+(**
+ * converts the given AVRational to a double.
+ *)
+function av_q2d(a: TAVRational): double;
+
+(**
+ * reduce a fraction.
+ * this is usefull for framerate calculations
+ * @param max the maximum allowed for dst_nom & dst_den
+ * @return 1 if exact, 0 otherwise
+ *)
+function av_reduce(dst_nom: pinteger; dst_den: PInteger; nom: int64; den: int64; max: int64): integer;
+  cdecl; external av__util;
+
+function av_mul_q(b: TAVRational; c: TAVRational): TAVRational;
+  cdecl; external av__util;
+function av_div_q(b: TAVRational; c: TAVRational): TAVRational;
+  cdecl; external av__util;
+function av_add_q(b: TAVRational; c: TAVRational): TAVRational;
+  cdecl; external av__util;
+function av_sub_q(b: TAVRational; c: TAVRational): TAVRational;
+  cdecl; external av__util;
+function av_d2q(d: double; max: integer): TAVRational;
+  cdecl; external av__util;
+
+implementation
+
+function av_cmp_q (a: TAVRational; b: TAVRational): integer;
+var
+  tmp: int64;
+begin
+  tmp := a.num * b.den - b.num * a.den;
+
+  if tmp = 0 then
+    Result := (tmp shr 63) or 1
+  else
+    Result := 0;
+end;
+
+function av_q2d(a: TAVRational): double;
+begin
+  Result := a.num / a.den;
+end;
+
+end.