diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2009-01-04 18:58:49 +0000 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2009-01-04 18:58:49 +0000 |
commit | a6d18a0e6addfcfc6f8790d4afc3b47673cbb607 (patch) | |
tree | b6dd996731604373804a3139fd7572babdb535b6 /libavcodec | |
parent | 47146dfbf6bca94dd0706b4313cc5e26edaf18d4 (diff) | |
download | ffmpeg-a6d18a0e6addfcfc6f8790d4afc3b47673cbb607.tar.gz |
Move metadata API from avcodec to avformat.
Originally committed as revision 16425 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/Makefile | 1 | ||||
-rw-r--r-- | libavcodec/avcodec.h | 44 | ||||
-rw-r--r-- | libavcodec/metadata.c | 75 | ||||
-rw-r--r-- | libavcodec/metadata.h | 38 |
4 files changed, 0 insertions, 158 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index d7a1b4ba8e..e4217d6af4 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -14,7 +14,6 @@ OBJS = allcodecs.o \ faanidct.o \ imgconvert.o \ jrevdct.o \ - metadata.o \ opt.o \ parser.o \ raw.o \ diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 7038d2d2c4..7c68a926f6 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -401,50 +401,6 @@ enum SampleFormat { #define FF_MIN_BUFFER_SIZE 16384 -/* - * public Metadata API. - * Important concepts, to keep in mind - * 1. keys are unique, there are never 2 tags with equal keys, this is also - * meant semantically that is a demuxer should not knowingly produce - * several keys that are litterally different but semantically identical, - * like key=Author5, key=Author6. - * All authors have to be placed in the same tag for the case of Authors. - * 2. Metadata is flat, there are no subtags, if you for whatever obscene - * reason want to store the email address of the child of producer alice - * and actor bob, that could have key=alice_and_bobs_childs_email_address. - * 3. A tag whichs value is translated has the ISO 639 3-letter language code - * with a '-' between appended. So for example Author-ger=Michael, Author-eng=Mike - * the original/default language is in the unqualified "Author" - * A demuxer should set a default if it sets any translated tag. - */ - -#define AV_METADATA_IGNORE_CASE 1 -#define AV_METADATA_IGNORE_SUFFIX 2 - -typedef struct { - char *key; - char *value; -}AVMetaDataTag; - -struct AVMetaData; - -/** - * gets a metadata element with matching key. - * @param prev set to the previous matching element to find the next. - * @param flags allows case as well as suffix insensitive comparissions. - * @return found tag or NULL, changing key or value leads to undefined behavior. - */ -AVMetaDataTag * -av_metadata_get(struct AVMetaData *m, const char *key, const AVMetaDataTag *prev, int flags); - -/** - * sets the given tag in m, overwriting an existing tag. - * @param tag tag to add to m, key and value will be av_strduped. - * @return >= 0 if success otherwise error code that is <0. - */ -int av_metadata_set(struct AVMetaData **m, AVMetaDataTag tag); - - /** * motion estimation type. */ diff --git a/libavcodec/metadata.c b/libavcodec/metadata.c deleted file mode 100644 index d223d7c0d9..0000000000 --- a/libavcodec/metadata.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - * copyright (c) 2009 Michael Niedermayer - * - * This file is part of FFmpeg. - * - * FFmpeg 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 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "metadata.h" - -AVMetaDataTag * -av_metadata_get(struct AVMetaData *m, const char *key, const AVMetaDataTag *prev, int flags) -{ - unsigned int i, j; - - if(!m) - return NULL; - - if(prev) i= prev - m->elems + 1; - else i= 0; - - for(; i<m->count; i++){ - const char *s= m->elems[i].key; - if(flags & AV_METADATA_IGNORE_CASE) for(j=0; toupper(s[j]) == toupper(key[j]) && key[j]; j++); - else for(j=0; s[j] == key[j] && key[j]; j++); - if(key[j]) - continue; - if(s[j] && !(flags & AV_METADATA_IGNORE_SUFFIX)) - continue; - return &m->elems[i]; - } - return NULL; -} - -int av_metadata_set(struct AVMetaData **pm, AVMetaDataTag elem) -{ - struct AVMetaData *m= *pm; - AVMetaDataTag *tag= av_metadata_get(m, elem.key, NULL, 0); - - if(!m) - m=*pm= av_mallocz(sizeof(*m)); - - if(tag){ - av_free(tag->value); - av_free(tag->key); - *tag= m->elems[--m->count]; - }else{ - AVMetaDataTag *tmp= av_realloc(m->elems, (m->count+1) * sizeof(*m->elems)); - if(tmp){ - m->elems= tmp; - }else - return AVERROR(ENOMEM); - } - if(elem.value){ - elem.key = av_strdup(elem.key ); - elem.value= av_strdup(elem.value); - m->elems[m->count++]= elem; - } - if(!m->count) - av_freep(pm); - - return 0; -} diff --git a/libavcodec/metadata.h b/libavcodec/metadata.h deleted file mode 100644 index 0ab39cba26..0000000000 --- a/libavcodec/metadata.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * copyright (c) 2009 Michael Niedermayer - * - * This file is part of FFmpeg. - * - * FFmpeg 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 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_METADATA_H -#define AVCODEC_METADATA_H - -/** - * @file metadata.h - * internal metadata API header - * see avcodec.h or the public API! - */ - - -#include "avcodec.h" - -struct AVMetaData{ - int count; - AVMetaDataTag *elems; -}; - -#endif /* AVCODEC_METADATA_H */ |