Add support for ffmpeg 2.8

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@3139 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 549 insertions, 0 deletions

diff --git a/src/lib/ffmpeg-2.8/libavutil/opt.pas b/src/lib/ffmpeg-2.8/libavutil/opt.pas
new file mode 100644
index 00000000..524d1384
--- /dev/null
+++ b/src/lib/ffmpeg-2.8/libavutil/opt.pas
@@ -0,0 +1,549 @@
+(*
+ * 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 libavutil/opt.h
+ * avutil version 54.7.100
+ *
+ *)
+
+{$IFDEF FF_API_OLD_AVOPTIONS}
+(**
+ * 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_OPTION_NOT_FOUND if no matching option exists
+ * AVERROR(ERANGE) if the value is out of range
+ * AVERROR(EINVAL) if the value is not valid
+ * @deprecated use av_opt_set()
+ *)
+function av_set_string3(obj: Pointer; name: {const} PAnsiChar; val: {const} PAnsiChar; alloc: cint; out o_out: {const} PAVOption): cint;
+  cdecl; external av__util; deprecated;
+
+function av_set_double(obj: pointer; name: {const} PAnsiChar; n: cdouble):     PAVOption;
+  cdecl; external av__util; deprecated;
+function av_set_q     (obj: pointer; name: {const} PAnsiChar; n: TAVRational): PAVOption;
+  cdecl; external av__util; deprecated;
+function av_set_int   (obj: pointer; name: {const} PAnsiChar; n: cint64):      PAVOption;
+  cdecl; external av__util; deprecated;
+
+function av_get_double(obj: pointer; name: {const} PAnsiChar; out o_out: {const} PAVOption): cdouble;
+  cdecl; external av__util; deprecated;
+function av_get_q     (obj: pointer; name: {const} PAnsiChar; out o_out: {const} PAVOption): TAVRational;
+  cdecl; external av__util; deprecated;
+function av_get_int   (obj: pointer; name: {const} PAnsiChar; out o_out: {const} PAVOption): cint64;
+  cdecl; external av__util; deprecated;
+function av_get_string(obj: pointer; name: {const} PAnsiChar; out o_out: {const} PAVOption; buf: PAnsiChar; buf_len: cint): PAnsiChar;
+  cdecl; external av__util; deprecated;
+function av_next_option(obj: pointer; last: {const} PAVOption): PAVOption;
+  cdecl; external av__util; deprecated;
+{$ENDIF}
+
+(**
+ * Show the obj options.
+ *
+ * @param req_flags requested flags for the options to show. Show only the
+ * options for which it is opt->flags & req_flags.
+ * @param rej_flags rejected flags for the options to show. Show only the
+ * options for which it is !(opt->flags & req_flags).
+ * @param av_log_obj log context to use for showing the options
+ *)
+function av_opt_show2(obj: pointer; av_log_obj: pointer; req_flags: cint; rej_flags: cint): cint;
+  cdecl; external av__util;
+
+(**
+ * Set the values of all AVOption fields to their default values.
+ *
+ * @param s an AVOption-enabled struct (its first member must be a pointer to AVClass)
+ *)
+procedure av_opt_set_defaults(s: pointer);
+  cdecl; external av__util;
+
+(**
+ * Set the values of all AVOption fields to their default values. Only these
+ * AVOption fields for which (opt->flags & mask) == flags will have their
+ * default applied to s.
+ *
+ * @param s an AVOption-enabled struct (its first member must be a pointer to AVClass)
+ * @param mask combination of AV_OPT_FLAG_*
+ * @param flags combination of AV_OPT_FLAG_*
+ *)
+procedure av_opt_set_defaults2(s: Pointer; mask: cint; flags: cint);
+  cdecl; external av__util; deprecated;
+
+(**
+ * Parse the key/value pairs list in opts. For each key/value pair
+ * found, stores the value in the field in ctx that is named like the
+ * key. ctx must be an AVClass context, storing is done using
+ * AVOptions.
+ *
+ * @param opts options string to parse, may be NULL
+ * @param key_val_sep a 0-terminated list of characters used to
+ * separate key from value
+ * @param pairs_sep a 0-terminated list of characters used to separate
+ * two pairs from each other
+ * @return the number of successfully set key/value pairs, or a negative
+ * value corresponding to an AVERROR code in case of error:
+ * AVERROR(EINVAL) if opts cannot be parsed,
+ * the error code issued by av_set_string3() if a key/value pair
+ * cannot be set
+*)
+function av_set_options_string(ctx: pointer; opts: {const} PAnsiChar;
+                      key_val_sep: {const} PAnsiChar; pairs_sep: {const} PAnsiChar): cint;
+  cdecl; external av__util;
+
+(**
+ * Parse the key-value pairs list in opts. For each key=value pair found,
+ * set the value of the corresponding option in ctx.
+ *
+ * @param ctx          the AVClass object to set options on
+ * @param opts         the options string, key-value pairs separated by a
+ *                     delimiter
+ * @param shorthand    a NULL-terminated array of options names for shorthand
+ *                     notation: if the first field in opts has no key part,
+ *                     the key is taken from the first element of shorthand;
+ *                     then again for the second, etc., until either opts is
+ *                     finished, shorthand is finished or a named option is
+ *                     found; after that, all options must be named
+ * @param key_val_sep  a 0-terminated list of characters used to separate
+ *                     key from value, for example '='
+ * @param pairs_sep    a 0-terminated list of characters used to separate
+ *                     two pairs from each other, for example ':' or ','
+ * @return  the number of successfully set key=value pairs, or a negative
+ *          value corresponding to an AVERROR code in case of error:
+ *          AVERROR(EINVAL) if opts cannot be parsed,
+ *          the error code issued by av_set_string3() if a key/value pair
+ *          cannot be set
+ *
+ * Options names must use only the following characters: a-z A-Z 0-9 - . / _
+ * Separators must use characters distinct from option names and from each
+ * other.
+ *)
+function av_opt_set_from_string(ctx: pointer; opts: {const} PAnsiChar;
+                           shorthand: {const} PAnsiChar;
+                           key_val_sep: {const} PAnsiChar; pairs_sep: {const} PAnsiChar): cint;
+  cdecl; external av__util;
+
+(**
+ * Free all allocated objects in obj.
+ *)
+procedure av_opt_free(obj: pointer);
+  cdecl; external av__util;
+
+(**
+ * Check whether a particular flag is set in a flags field.
+ *
+ * @param field_name the name of the flag field option
+ * @param flag_name the name of the flag to check
+ * @return non-zero if the flag is set, zero if the flag isn't set,
+ *         isn't of the right type, or the flags field doesn't exist.
+ *)
+function av_opt_flag_is_set(obj: pointer; field_name: {const} PAnsiChar; flag_name: {const} PAnsiChar): cint;
+  cdecl; external av__util;
+
+(**
+ * Set all the options from a given dictionary on an object.
+ *
+ * @param obj a struct whose first element is a pointer to AVClass
+ * @param options options to process. This dictionary will be freed and replaced
+ *                by a new one containing all options not found in obj.
+ *                Of course this new dictionary needs to be freed by caller
+ *                with av_dict_free().
+ *
+ * @return 0 on success, a negative AVERROR if some option was found in obj,
+ *         but could not be set.
+ *
+ * @see av_dict_copy()
+ *)
+function av_opt_set_dict(obj: pointer; var options: PAVDictionary): cint;
+  cdecl; external av__util;
+
+(**
+ * Set all the options from a given dictionary on an object.
+ *
+ * @param obj a struct whose first element is a pointer to AVClass
+ * @param options options to process. This dictionary will be freed and replaced
+ *                by a new one containing all options not found in obj.
+ *                Of course this new dictionary needs to be freed by caller
+ *                with av_dict_free().
+ * @param search_flags A combination of AV_OPT_SEARCH_*.
+ *
+ * @return 0 on success, a negative AVERROR if some option was found in obj,
+ *         but could not be set.
+ *
+ * @see av_dict_copy()
+ *)
+function av_opt_set_dict2(obj: pointer; var options: PAVDictionary; search_flags: cint): cint;
+  cdecl; external av__util;
+
+(**
+ * Extract a key-value pair from the beginning of a string.
+ *
+ * @param ropts        pointer to the options string, will be updated to
+ *                     point to the rest of the string (one of the pairs_sep
+ *                     or the final NUL)
+ * @param key_val_sep  a 0-terminated list of characters used to separate
+ *                     key from value, for example '='
+ * @param pairs_sep    a 0-terminated list of characters used to separate
+ *                     two pairs from each other, for example ':' or ','
+ * @param flags        flags; see the AV_OPT_FLAG_* values below
+ * @param rkey         parsed key; must be freed using av_free()
+ * @param rval         parsed value; must be freed using av_free()
+ *
+ * @return  >=0 for success, or a negative value corresponding to an
+ *          AVERROR code in case of error; in particular:
+ *          AVERROR(EINVAL) if no key is present
+ *
+ *)
+function av_opt_get_key_value(ropts: {const} PPAnsiChar;
+                     key_val_sep: {const} PAnsiChar; pairs_sep: {const} PAnsiChar;
+                     flags: byte;
+                     rkey, rval: PPAnsiChar): cint;
+  cdecl; external av__util;
+
+const
+  (**
+   * Accept to parse a value without a key; the key will then be returned
+   * as NULL.
+   *)
+  AV_OPT_FLAG_IMPLICIT_KEY = 1;
+
+(**
+ * @defgroup opt_eval_funcs Evaluating option strings
+ * @
+ * This group of functions can be used to evaluate option strings
+ * and get numbers out of them. They do the same thing as av_opt_set(),
+ * except the result is written into the caller-supplied pointer.
+ *
+ * @param obj a struct whose first element is a pointer to AVClass.
+ * @param o an option for which the string is to be evaluated.
+ * @param val string to be evaluated.
+ * @param *_out value of the string will be written here.
+ *
+ * @return 0 on success, a negative number on failure.
+ *)
+function av_opt_eval_flags (obj: pointer; o: {const} PAVOption; val: {const} PAnsiChar; flags_out:  Pcint):       cint;
+  cdecl; external av__util;
+function av_opt_eval_int   (obj: pointer; o: {const} PAVOption; val: {const} PAnsiChar; int_out:    Pcint):       cint;
+  cdecl; external av__util;
+function av_opt_eval_int64 (obj: pointer; o: {const} PAVOption; val: {const} PAnsiChar; int64_out:  Pcint64):     cint;
+  cdecl; external av__util;
+function av_opt_eval_float (obj: pointer; o: {const} PAVOption; val: {const} PAnsiChar; float_out:  Pcfloat):     cint;
+  cdecl; external av__util;
+function av_opt_eval_double(obj: pointer; o: {const} PAVOption; val: {const} PAnsiChar; double_out: Pcdouble):    cint;
+  cdecl; external av__util;
+function av_opt_eval_q     (obj: pointer; o: {const} PAVOption; val: {const} PAnsiChar; q_out:      PAVRational): cint;
+  cdecl; external av__util;
+(**
+ * @
+ *)
+
+const
+  AV_OPT_SEARCH_CHILDREN = 0001; (**< Search in possible children of the
+                                      given object first.*)
+(**
+ *  The obj passed to av_opt_find() is fake -- only a double pointer to AVClass
+ *  instead of a required pointer to a struct containing AVClass. This is
+ *  useful for searching for options without needing to allocate the corresponding
+ *  object.
+ *)
+  AV_OPT_SEARCH_FAKE_OBJ = 0002;
+
+(**
+ *  Allows av_opt_query_ranges and av_opt_query_ranges_default to return more than
+ *  one component for certain option types.
+ *  @see AVOptionRanges for details.
+ *)
+  AV_OPT_MULTI_COMPONENT_RANGE = 1000;
+
+(**
+ * Look for an option in an object. Consider only options which
+ * have all the specified flags set.
+ *
+ * @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 When searching for named constants, name of the unit
+ *                 it belongs to.
+ * @param opt_flags Find only options with all the specified flags set (AV_OPT_FLAG).
+ * @param search_flags A combination of AV_OPT_SEARCH_*.
+ *
+ * @return A pointer to the option found, or NULL if no option
+ *         was found.
+ *
+ * @note Options found with AV_OPT_SEARCH_CHILDREN flag may not be settable
+ * directly with av_set_string3(). Use special calls which take an options
+ * AVDictionary (e.g. avformat_open_input()) to set options found with this
+ * flag.
+ *)
+function av_opt_find(obj: pointer; name: {const} PAnsiChar; unit_: {const} PAnsiChar;
+                     opt_flags: cint; search_flags: cint): PAVOption;
+  cdecl; external av__util;
+
+(**
+ * Look for an option in an object. Consider only options which
+ * have all the specified flags set.
+ *
+ * @param[in] obj A pointer to a struct whose first element is a
+ *                pointer to an AVClass.
+ *                Alternatively a double pointer to an AVClass, if
+ *                AV_OPT_SEARCH_FAKE_OBJ search flag is set.
+ * @param[in] name The name of the option to look for.
+ * @param[in] unit When searching for named constants, name of the unit
+ *                 it belongs to.
+ * @param opt_flags Find only options with all the specified flags set (AV_OPT_FLAG).
+ * @param search_flags A combination of AV_OPT_SEARCH_*.
+ * @param[out] target_obj if non-NULL, an object to which the option belongs will be
+ * written here. It may be different from obj if AV_OPT_SEARCH_CHILDREN is present
+ * in search_flags. This parameter is ignored if search_flags contain
+ * AV_OPT_SEARCH_FAKE_OBJ.
+ *
+ * @return A pointer to the option found, or NULL if no option
+ *         was found.
+ *)
+function av_opt_find2(obj: pointer; name: {const} PAnsiChar; unit_: {const} PAnsiChar;
+                      opt_flags: cint; search_flags: cint; out target_obj: pointer): {const} PAVOption;
+  cdecl; external av__util;
+
+(**
+ * Iterate over all AVOptions belonging to obj.
+ *
+ * @param obj an AVOptions-enabled struct or a double pointer to an
+ *            AVClass describing it.
+ * @param prev result of the previous call to av_opt_next() on this object
+ *             or NULL
+ * @return next AVOption or NULL
+ *)
+function av_opt_next(obj: pointer; prev: {const} PAVOption): {const} PAVOption;
+  cdecl; external av__util;
+
+(**
+ * Iterate over AVOptions-enabled children of obj.
+ *
+ * @param prev result of a previous call to this function or NULL
+ * @return next AVOptions-enabled child or NULL
+ *)
+function av_opt_child_next(obj: pointer; prev: pointer): pointer;
+  cdecl; external av__util;
+
+(**
+ * Iterate over potential AVOptions-enabled children of parent.
+ *
+ * @param prev result of a previous call to this function or NULL
+ * @return AVClass corresponding to next potential child or NULL
+ *)
+function av_opt_child_class_next(parent: {const} PAVClass; prev: {const} PAVClass): {const} PAVClass;
+  cdecl; external av__util;
+
+(**
+ * @defgroup opt_set_funcs Option setting functions
+ * @
+ * Those functions 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. In case of av_opt_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 search_flags flags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN
+ * is passed here, then the option may be set on a child of obj.
+ *
+ * @return 0 if the value has been set, or an AVERROR code in case of
+ * error:
+ * AVERROR_OPTION_NOT_FOUND if no matching option exists
+ * AVERROR(ERANGE) if the value is out of range
+ * AVERROR(EINVAL) if the value is not valid
+ *)
+function av_opt_set           (obj: pointer; name: {const} PAnsiChar; val: {const} PAnsiChar; search_flags: cint): cint;
+  cdecl; external av__util;
+function av_opt_set_int       (obj: pointer; name: {const} PAnsiChar; val: cint64;            search_flags: cint): cint;
+  cdecl; external av__util;
+function av_opt_set_double    (obj: pointer; name: {const} PAnsiChar; val: cdouble;           search_flags: cint): cint;
+  cdecl; external av__util;
+function av_opt_set_q         (obj: pointer; name: {const} PAnsiChar; val: TAVRational;       search_flags: cint): cint;
+  cdecl; external av__util;
+function av_opt_set_bin       (obj: pointer; name: {const} PAnsiChar; val: {const} cuint8;    search_flags: cint): cint;
+  cdecl; external av__util;
+function av_opt_set_image_size(obj: pointer; name: {const} PAnsiChar; w, h,                   search_flags: cint): cint;
+  cdecl; external av__util;
+function av_opt_set_pixel_fmt (obj: pointer; name: {const} PAnsiChar; fmt: TAVPixelFormat;    search_flags: cint): cint;
+  cdecl; external av__util;
+function av_opt_set_sample_fmt(obj: pointer; name: {const} PAnsiChar; fmt: TAVSampleFormat;    search_flags: cint): cint;
+  cdecl; external av__util;
+function av_opt_set_video_rate(obj: pointer; name: {const} PAnsiChar; val: TAVRational;       search_flags: cint): cint;
+  cdecl; external av__util;
+function av_opt_set_channel_layout(obj: pointer; name: {const} PAnsiChar; ch_layout: cint64; search_flags: cint): cint;
+  cdecl; external av__util;
+
+(**
+ * @note Any old dictionary present is discarded and replaced with a copy of the new one. The
+ * caller still owns val is and responsible for freeing it.
+ *)
+function av_opt_set_dict_val(obj: pointer; name: {const} PAnsiChar; val: {const} PAVDictionary; search_flags: cint): cint;
+  cdecl; external av__util;
+
+(**
+ * Set a binary option to an integer list.
+ *
+ * @param obj    AVClass object to set options on
+ * @param name   name of the binary option
+ * @param val    pointer to an integer list (must have the correct type with
+ *               regard to the contents of the list)
+ * @param term   list terminator (usually 0 or -1)
+ * @param flags  search flags
+ *)
+{to be translated
+#define av_opt_set_int_list(obj, name, val, term, flags) \
+    (av_int_list_length(val, term) > INT_MAX / sizeof(*(val)) ? \
+     AVERROR(EINVAL) : \
+     av_opt_set_bin(obj, name, (const uint8_t *)(val), \
+                    av_int_list_length(val, term) * sizeof(*(val)), flags))
+}
+(**
+ * @
+ *)
+
+(**
+ * @defgroup opt_get_funcs Option getting functions
+ * @
+ * Those functions get a value of the option with the given name from an object.
+ *
+ * @param[in] obj a struct whose first element is a pointer to an AVClass.
+ * @param[in] name name of the option to get.
+ * @param[in] search_flags flags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN
+ * is passed here, then the option may be found in a child of obj.
+ * @param[out] out_val value of the option will be written here
+ * @return >=0 on success, a negative error code otherwise
+ *)
+(**
+ * @note the returned string will be av_malloc()ed and must be av_free()ed by the caller
+ *)
+function av_opt_get           (obj: pointer; name: {const} PAnsiChar; search_flags: cint; out out_val: Pcuint8):     cint;
+  cdecl; external av__util;
+function av_opt_get_int       (obj: pointer; name: {const} PAnsiChar; search_flags: cint;     out_val: Pcint64):     cint;
+  cdecl; external av__util;
+function av_opt_get_double    (obj: pointer; name: {const} PAnsiChar; search_flags: cint;     out_val: Pcdouble):    cint;
+  cdecl; external av__util;
+function av_opt_get_q         (obj: pointer; name: {const} PAnsiChar; search_flags: cint;     out_val: PAVRational): cint;
+  cdecl; external av__util;
+function av_opt_get_image_size(obj: pointer; name: {const} PAnsiChar; search_flags: cint; w_out, h_out: Pcint):      cint;
+  cdecl; external av__util;
+function av_opt_get_pixel_fmt (obj: pointer; name: {const} PAnsiChar; search_flags: cint; out_fmt: PAVPixelFormat):  cint;
+  cdecl; external av__util;
+function av_opt_get_sample_fmt(obj: pointer; name: {const} PAnsiChar; search_flags: cint; out_fmt: PAVPixelFormat):  cint;
+  cdecl; external av__util;
+function av_opt_get_video_rate(obj: pointer; name: {const} PAnsiChar; search_flags: cint; out_val: PAVRational):     cint;
+  cdecl; external av__util;
+function av_opt_get_channel_layout(obj: pointer; name: {const} PAnsiChar; search_flags: cint; ch_layout: Pcint64):   cint;
+  cdecl; external av__util;
+(**
+ * @param[out] out_val The returned dictionary is a copy of the actual value and must
+ * be freed with av_dict_free() by the caller
+ *)
+function av_opt_get_dict_val  (obj: pointer; name: {const} PAnsiChar; search_flags: cint; out out_val: PAVDictionary): cint;
+  cdecl; external av__util;
+(**
+ * @
+ *)
+(**
+ * Gets a pointer to the requested field in a struct.
+ * This function allows accessing a struct even when its fields are moved or
+ * renamed since the application making the access has been compiled,
+ *
+ * @returns a pointer to the field, it can be cast to the correct type and read
+ *          or written to.
+ *)
+function av_opt_ptr(avclass: {const} PAVClass; obj: pointer; name: {const} PAnsiChar): pointer;
+  cdecl; external av__util;
+
+(**
+ * Free an AVOptionRanges struct and set it to NULL.
+ *)
+procedure av_opt_freep_ranges(ranges: PPAVOptionRanges);
+  cdecl; external av__util;
+
+(**
+ * Get a list of allowed ranges for the given option.
+ *
+ * The returned list may depend on other fields in obj like for example profile.
+ *
+ * @param flags is a bitmask of flags, undefined flags should not be set and should be ignored
+ *              AV_OPT_SEARCH_FAKE_OBJ indicates that the obj is a double pointer to a AVClass instead of a full instance
+ *              AV_OPT_MULTI_COMPONENT_RANGE indicates that function may return more than one component, @see AVOptionRanges
+ *
+ * The result must be freed with av_opt_freep_ranges.
+ *
+ * @return number of compontents returned on success, a negative errro code otherwise
+ *)
+function av_opt_query_ranges(P: PPAVOptionRanges; obj: pointer; key: {const} PAnsiChar; flags: cint): cint;
+  cdecl; external av__util;
+
+function av_opt_copy(dest: pointer;src: pointer): cint;
+  cdecl; external av__util;
+
+(**
+ * Get a default list of allowed ranges for the given option.
+ *
+ * This list is constructed without using the AVClass.query_ranges() callback
+ * and can be used as fallback from within the callback.
+ *
+ * @param flags is a bitmask of flags, undefined flags should not be set and should be ignored
+ *              AV_OPT_SEARCH_FAKE_OBJ indicates that the obj is a double pointer to a AVClass instead of a full instance
+ *              AV_OPT_MULTI_COMPONENT_RANGE indicates that function may return more than one component, @see AVOptionRanges
+ *
+ * The result must be freed with av_opt_free_ranges.
+ *
+ * @return number of compontents returned on success, a negative errro code otherwise
+ *)
+function av_opt_query_ranges_default(P: PPAVOptionRanges; obj: pointer; key: {const} PAnsiChar; flags: cint): cint;
+  cdecl; external av__util;
+
+(**
+ * @
+ *)