First multi platform version, works on Linux and Windows

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/1.1@855 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 136 insertions, 0 deletions

diff --git a/Game/Code/lib/ffmpeg/opt.pas b/Game/Code/lib/ffmpeg/opt.pas
new file mode 100644
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+++ b/Game/Code/lib/ffmpeg/opt.pas
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+(*
+ * AVOptions
+ * copyright (c) 2005 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 *)
+
+(*
+ * Revision: 11250, Mon Dec 17 17:41:24 2007 UTC
+ *)
+
+unit opt;
+
+{$IFDEF FPC}
+  {$MODE DELPHI}
+  {$PACKENUM 4}    (* use 4-byte enums *)
+  {$PACKRECORDS C} (* C/C++-compatible record packing *)
+{$ELSE}
+  {$MINENUMSIZE 4} (* use 4-byte enums *)
+{$ENDIF}
+
+interface
+
+uses
+  rational,
+  UConfig;
+
+type
+  TAVOptionType = (
+    FF_OPT_TYPE_FLAGS,
+    FF_OPT_TYPE_INT,
+    FF_OPT_TYPE_INT64,
+    FF_OPT_TYPE_DOUBLE,
+    FF_OPT_TYPE_FLOAT,
+    FF_OPT_TYPE_STRING,
+    FF_OPT_TYPE_RATIONAL,
+    FF_OPT_TYPE_BINARY,  ///< offset must point to a pointer immediately followed by an int for the length
+    FF_OPT_TYPE_CONST = 128
+  );
+
+const
+  AV_OPT_FLAG_ENCODING_PARAM  = 1;   ///< a generic parameter which can be set by the user for muxing or encoding
+  AV_OPT_FLAG_DECODING_PARAM  = 2;   ///< a generic parameter which can be set by the user for demuxing or decoding
+  AV_OPT_FLAG_METADATA        = 4;   ///< some data extracted or inserted into the file like title, comment, ...
+  AV_OPT_FLAG_AUDIO_PARAM     = 8;
+  AV_OPT_FLAG_VIDEO_PARAM     = 16;
+  AV_OPT_FLAG_SUBTITLE_PARAM  = 32;
+
+type
+  (**
+   * AVOption.
+   *)
+  PAVOption = ^TAVOption;
+  TAVOption = record
+    name: pchar;
+    
+    (**
+     * short English text help.
+     * @todo what about other languages
+     *)
+    help: pchar;
+    offset: integer;             ///< offset to context structure where the parsed value should be stored
+    type_: TAVOptionType;
+
+    default_val: double;
+    min: double;
+    max: double;
+
+    flags: integer;
+//FIXME think about enc-audio, ... style flags
+    unit_: pchar;
+  end;
+
+{$IF LIBAVCODEC_VERSION >= 51039000} // 51.39.0
+function av_find_opt (obj: Pointer; {const} name: PChar; {const} unit_: PChar; mask: integer; flags: integer): {const} PAVOption;
+  cdecl; external av__codec;
+{$IFEND}
+
+function av_set_string (obj: pointer; name: pchar; val: pchar): PAVOption;
+  cdecl; external av__codec;
+
+function av_set_double (obj: pointer; name: pchar; n: double): PAVOption;
+  cdecl; external av__codec;
+
+function av_set_q (obj: pointer; name: pchar; n: TAVRational): PAVOption;
+  cdecl; external av__codec;
+
+function av_set_int (obj: pointer; name: pchar; n: int64): PAVOption;
+  cdecl; external av__codec;
+
+function av_get_double (obj: pointer; name: pchar; o_out: PPointer): double;
+  cdecl; external av__codec;
+
+function av_get_q (obj: pointer; name: pchar; o_out: PPointer): TAVRational;
+  cdecl; external av__codec;
+
+function av_get_int (obj: pointer; name: pchar; o_out: PPointer): int64;
+  cdecl; external av__codec;
+
+function av_get_string (obj: pointer; name: pchar; o_out: PPOinter; buf: pchar; buf_len: integer): pchar;
+  cdecl; external av__codec;
+
+function av_next_option (obj: pointer; last: PAVOption): PAVOption;
+  cdecl; external av__codec;
+
+function av_opt_show (obj: pointer; av_log_obj: pointer): integer;
+  cdecl; external av__codec;
+
+procedure av_opt_set_defaults (s: pointer);
+  cdecl; external av__codec;
+
+{$IF LIBAVCODEC_VERSION >= 51039000} // 51.39.0
+procedure av_opt_set_defaults2 (s: Pointer; mask: integer; flags: integer);
+  cdecl; external av__codec;
+{$IFEND}
+
+implementation
+
+end.