new medley branch, based on the actual (1.1) trunk. the old one will be deleted soon

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@2666 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 261 insertions, 0 deletions

diff --git a/medley_new/src/lib/ffmpeg/opt.pas b/medley_new/src/lib/ffmpeg/opt.pas
new file mode 100644
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+++ b/medley_new/src/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.
+ * - Changes and updates by the UltraStar Deluxe Team
+ *
+ * Conversion of libavcodec/opt.h
+ * Max. avcodec version: 52.86.1, 24882, Wed Aug 23 07:00:00 2010 CET
+ *
+ *)
+
+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 *)
+{$ENDIF}
+
+interface
+
+uses
+  ctypes,
+  rational,
+  UConfig;
+
+type
+  TAVOptionType = (
+    FF_OPT_TYPE_FLAGS,
+    FF_OPT_TYPE_INT,
+    FF_OPT_TYPE_INT64,
+    FF_OPT_TYPE_DOUBLE,
+    FF_OPT_TYPE_FLOAT,
+    FF_OPT_TYPE_STRING,
+    FF_OPT_TYPE_RATIONAL,
+    FF_OPT_TYPE_BINARY,  ///< offset must point to a pointer immediately followed by an int for the length
+    FF_OPT_TYPE_CONST = 128
+  );
+
+const
+  AV_OPT_FLAG_ENCODING_PARAM  = 1;   ///< a generic parameter which can be set by the user for muxing or encoding
+  AV_OPT_FLAG_DECODING_PARAM  = 2;   ///< a generic parameter which can be set by the user for demuxing or decoding
+  AV_OPT_FLAG_METADATA        = 4;   ///< some data extracted or inserted into the file like title, comment, ...
+  AV_OPT_FLAG_AUDIO_PARAM     = 8;
+  AV_OPT_FLAG_VIDEO_PARAM     = 16;
+  AV_OPT_FLAG_SUBTITLE_PARAM  = 32;
+
+type
+  (**
+   * AVOption
+   *)
+  PAVOption = ^TAVOption;
+  TAVOption = record
+    name: {const} PAnsiChar;
+    
+    (**
+     * short English help text
+     * @todo What about other languages?
+     *)
+    help: {const} PAnsiChar;
+
+    (**
+     * The offset relative to the context structure where the option
+     * value is stored. It should be 0 for named constants.
+     *)
+    offset: cint;
+    type_: TAVOptionType;
+
+    (**
+     * the default value for scalar options
+     *)
+    default_val: cdouble;
+    min: cdouble;                ///< minimum valid value for the option
+    max: cdouble;                ///< maximum valid value for the option
+
+    flags: cint;
+//FIXME think about enc-audio, ... style flags
+
+    (**
+     * The logical unit to which the option belongs. Non-constant
+     * options and corresponding named constants share the same
+     * unit. May be NULL.
+     *)
+    unit_: {const} PAnsiChar;
+  end;
+
+{$IF LIBAVCODEC_VERSION >= 52042000} // >= 52.42.0
+(**
+ * AVOption2.
+ * THIS IS NOT PART OF THE API/ABI YET!
+ * This is identical to AVOption except that default_val was replaced by
+ * an union, it should be compatible with AVOption on normal platforms.
+ *)
+type
+  PAVOption2 = ^TAVOption2;
+  TAVOption2 = record
+    name   : {const} PAnsiChar;
+
+    (**
+     * short English help text
+     * @todo What about other languages?
+     *)
+    help   : {const} PAnsiChar;
+
+    (**
+     * The offset relative to the context structure where the option
+     * value is stored. It should be 0 for named constants.
+     *)
+    offset : cint;
+    type_  : TAVOptionType;
+
+    (**
+     * the default value for scalar options
+     *)
+    default_val : record
+      case cint of
+        0 : (dbl: cdouble);
+        1 : (str: PAnsiChar);
+      end;
+    min   : cdouble;
+    max   : cdouble;
+    flags : cint;
+//FIXME think about enc-audio, ... style flags
+
+    (**
+     * The logical unit to which the option belongs. Non-constant
+     * options and corresponding named constants share the same
+     * unit. May be NULL.
+     *)
+    unit_: {const} PAnsiChar;
+  end;
+{$IFEND}
+
+{$IF LIBAVCODEC_VERSION >= 51039000} // 51.39.0
+(**
+ * Look for an option in obj. Look only for the options which
+ * have the flags set as specified in mask and flags (that is,
+ * for which it is the case that opt->flags & mask == flags).
+ *
+ * @param[in] obj a pointer to a struct whose first element is a
+ * pointer to an AVClass
+ * @param[in] name the name of the option to look for
+ * @param[in] unit the unit of the option to look for, or any if NULL
+ * @return a pointer to the option found, or NULL if no option
+ * has been found
+ *)
+function av_find_opt(obj: Pointer; {const} name: {const} PAnsiChar; {const} unit_: PAnsiChar; mask: cint; flags: cint): {const} PAVOption;
+  cdecl; external av__codec;
+{$IFEND}
+
+{$IF LIBAVCODEC_VERSION_MAJOR < 53}
+
+(**
+ * @see av_set_string2()
+ *)
+function av_set_string(obj: pointer; name: {const} PAnsiChar; val: {const} PAnsiChar): {const} PAVOption;
+  cdecl; external av__codec; deprecated;
+
+{$IF LIBAVCODEC_VERSION >= 51059000} // 51.59.0
+(**
+ * @return a pointer to the AVOption corresponding to the field set or
+ * NULL if no matching AVOption exists, or if the value val is not
+ * valid
+ * @see av_set_string3()
+ *)
+function av_set_string2(obj: Pointer; name: {const} PAnsiChar; val: {const} PAnsiChar; alloc: cint): {const} PAVOption;
+  cdecl; external av__codec; deprecated;
+{$IFEND}
+
+{$IFEND}
+
+{$IF LIBAVCODEC_VERSION >= 52007000} // 52.7.0
+(**
+ * Set the field of obj with the given name to value.
+ *
+ * @param[in] obj A struct whose first element is a pointer to an
+ * AVClass.
+ * @param[in] name the name of the field to set
+ * @param[in] val The value to set. If the field is not of a string
+ * type, then the given string is parsed.
+ * SI postfixes and some named scalars are supported.
+ * If the field is of a numeric type, it has to be a numeric or named
+ * scalar. Behavior with more than one scalar and +- infix operators
+ * is undefined.
+ * If the field is of a flags type, it has to be a sequence of numeric
+ * scalars or named flags separated by '+' or '-'. Prefixing a flag
+ * with '+' causes it to be set without affecting the other flags;
+ * similarly, '-' unsets a flag.
+ * @param[out] o_out if non-NULL put here a pointer to the AVOption
+ * found
+ * @param alloc when 1 then the old value will be av_freed() and the
+ *                     new av_strduped()
+ *              when 0 then no av_free() nor av_strdup() will be used
+ * @return 0 if the value has been set, or an AVERROR code in case of
+ * error:
+ * AVERROR(ENOENT) if no matching option exists
+ * AVERROR(ERANGE) if the value is out of range
+ * AVERROR(EINVAL) if the value is not valid
+ *)
+function av_set_string3(obj: Pointer; name: {const} PAnsiChar; val: {const} PAnsiChar; alloc: cint; out o_out: {const} PAVOption): cint;
+  cdecl; external av__codec;
+{$IFEND}
+
+function av_set_double(obj: pointer; name: {const} PAnsiChar; n: cdouble): PAVOption;
+  cdecl; external av__codec;
+
+function av_set_q(obj: pointer; name: {const} PAnsiChar; n: TAVRational): PAVOption;
+  cdecl; external av__codec;
+
+function av_set_int(obj: pointer; name: {const} PAnsiChar; n: cint64): PAVOption;
+  cdecl; external av__codec;
+
+function av_get_double(obj: pointer; name: {const} PAnsiChar; var o_out: {const} PAVOption): cdouble;
+  cdecl; external av__codec;
+
+function av_get_q(obj: pointer; name: {const} PAnsiChar; var o_out: {const} PAVOption): TAVRational;
+  cdecl; external av__codec;
+
+function av_get_int(obj: pointer; name: {const} PAnsiChar; var o_out: {const} PAVOption): cint64;
+  cdecl; external av__codec;
+
+function av_get_string(obj: pointer; name: {const} PAnsiChar; var o_out: {const} PAVOption; buf: PAnsiChar; buf_len: cint): PAnsiChar;
+  cdecl; external av__codec;
+
+function av_next_option(obj: pointer; last: {const} PAVOption): PAVOption;
+  cdecl; external av__codec;
+
+function av_opt_show(obj: pointer; av_log_obj: pointer): cint;
+  cdecl; external av__codec;
+
+procedure av_opt_set_defaults(s: pointer);
+  cdecl; external av__codec;
+
+{$IF LIBAVCODEC_VERSION >= 51039000} // 51.39.0
+procedure av_opt_set_defaults2(s: Pointer; mask: cint; flags: cint);
+  cdecl; external av__codec;
+{$IFEND}
+
+implementation
+
+end.