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authork-m_schindler <k-m_schindler@b956fd51-792f-4845-bead-9b4dfca2ff2c>2013-07-27 23:22:10 +0000
committerk-m_schindler <k-m_schindler@b956fd51-792f-4845-bead-9b4dfca2ff2c>2013-07-27 23:22:10 +0000
commit046dc6d2805e75c755b65f64cc492bdc11ea0ce8 (patch)
treef3f0620425acbbe6d950b7341f2f9b94965d6dc0 /src/lib/ffmpeg-1.2/libavutil/dict.pas
parenteacbe2e3f59745c59679635394aef83279f4ba4f (diff)
downloadusdx-046dc6d2805e75c755b65f64cc492bdc11ea0ce8.tar.gz
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first chunk of ffmpeg updates. libavutil parts. version still to be done.
git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@3003 b956fd51-792f-4845-bead-9b4dfca2ff2c
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+(*
+ * AVDictionary
+ * copyright (c) 2011 Karl-Michael Schindler <karl-michael.schindler@web.de>
+ *
+ * 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 the Pascal port of ffmpeg.
+ *
+ * Conversion of libavutil/dict.h
+ * avutil version 52.13.100
+ *
+ *)
+
+const
+ AV_DICT_MATCH_CASE = 1;
+ AV_DICT_IGNORE_SUFFIX = 2;
+ AV_DICT_DONT_STRDUP_KEY = 4; (**< Take ownership of a key that's been
+ allocated with av_malloc() and children. *)
+ AV_DICT_DONT_STRDUP_VAL = 8; (**< Take ownership of a value that's been
+ allocated with av_malloc() and chilren. *)
+ AV_DICT_DONT_OVERWRITE = 16; (**< Don't overwrite existing entries. *)
+ AV_DICT_APPEND = 32; (**< If the entry already exists, append to it. Note that no
+ delimiter is added, the strings are simply concatenated. *)
+
+type
+ PAVDictionaryEntry = ^TAVDictionaryEntry;
+ TAVDictionaryEntry = record
+ key: PAnsiChar;
+ value: PAnsiChar;
+ end;
+
+(* with the "help" of libavutil/dict.c: *)
+
+ PPAVDictionary = ^PAVDictionary;
+ PAVDictionary = ^TAVDictionary;
+ TAVDictionary = record
+ count: cint;
+ elems: PAVDictionaryEntry;
+ end;
+
+(**
+ * Get a dictionary entry with matching key.
+ *
+ * @param prev Set to the previous matching element to find the next.
+ * If set to NULL the first matching element is returned.
+ * @param flags Allows case as well as suffix-insensitive comparisons.
+ * @return Found entry or NULL, changing key or value leads to undefined behavior.
+ *)
+function av_dict_get(m: PAVDictionary; {const} key: PAnsiChar; {const} prev: PAVDictionaryEntry; flags: cint): PAVDictionaryEntry;
+ cdecl; external av__util;
+
+(**
+ * Get number of entries in dictionary.
+ *
+ * @param m dictionary
+ * @return number of entries in dictionary
+ *)
+function av_dict_count({const} m: PAVDictionary): cint;
+ cdecl; external av__util;
+
+(**
+ * Set the given entry in *pm, overwriting an existing entry.
+ *
+ * @param pm pointer to a pointer to a dictionary struct. If *pm is NULL
+ * a dictionary struct is allocated and put in *pm.
+ * @param key entry key to add to *pm (will be av_strduped depending on flags)
+ * @param value entry value to add to *pm (will be av_strduped depending on flags).
+ * Passing a NULL value will cause an existing entry to be deleted.
+ * @return >= 0 on success otherwise an error code <0
+ *)
+function av_dict_set(var pm: PAVDictionary; {const} key: PAnsiChar; {const} value: PAnsiChar; flags: cint): cint;
+ cdecl; external av__util;
+
+(**
+ * Parse the key/value pairs list and add to a dictionary.
+ *
+ * @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
+ * @param flags flags to use when adding to dictionary.
+ * AV_DICT_DONT_STRDUP_KEY and AV_DICT_DONT_STRDUP_VAL
+ * are ignored since the key/value tokens will always
+ * be duplicated.
+ * @return 0 on success, negative AVERROR code on failure
+ *)
+function av_dict_parse_string(var pm: PAVDictionary; {const} str: PAnsiChar;
+ {const} key_val_sep: PAnsiChar; {const} pairs_sep: PAnsiChar;
+ flags: cint): cint;
+ cdecl; external av__util;
+
+(**
+ * Copy entries from one AVDictionary struct into another.
+ * @param dst pointer to a pointer to a AVDictionary struct. If *dst is NULL,
+ * this function will allocate a struct for you and put it in *dst
+ * @param src pointer to source AVDictionary struct
+ * @param flags flags to use when setting entries in *dst
+ * @note metadata is read using the AV_DICT_IGNORE_SUFFIX flag
+ *)
+procedure av_dict_copy(var dst: PAVDictionary; src: PAVDictionary; flags: cint);
+ cdecl; external av__util;
+
+(**
+ * Free all the memory allocated for an AVDictionary struct
+ * and all keys and values.
+ *)
+procedure av_dict_free(var m: PAVDictionary);
+ cdecl; external av__util;