/*
* copyright (c) 2009 Michael Niedermayer
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "avformat.h"
#include "metadata.h"
+#include "libavutil/dict.h"
+#include "libavutil/avstring.h"
-AVMetadataTag *
-av_metadata_get(AVMetadata *m, const char *key, const AVMetadataTag *prev, int flags)
+void ff_metadata_conv(AVDictionary **pm, const AVMetadataConv *d_conv,
+ const AVMetadataConv *s_conv)
{
- unsigned int i, j;
+ /* TODO: use binary search to look up the two conversion tables
+ if the tables are getting big enough that it would matter speed wise */
+ const AVMetadataConv *sc, *dc;
+ AVDictionaryEntry *mtag = NULL;
+ AVDictionary *dst = NULL;
+ const char *key;
- if(!m)
- return NULL;
+ if (d_conv == s_conv)
+ return;
- 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];
+ while ((mtag = av_dict_get(*pm, "", mtag, AV_DICT_IGNORE_SUFFIX))) {
+ key = mtag->key;
+ if (s_conv)
+ for (sc=s_conv; sc->native; sc++)
+ if (!av_strcasecmp(key, sc->native)) {
+ key = sc->generic;
+ break;
+ }
+ if (d_conv)
+ for (dc=d_conv; dc->native; dc++)
+ if (!av_strcasecmp(key, dc->generic)) {
+ key = dc->native;
+ break;
+ }
+ av_dict_set(&dst, key, mtag->value, 0);
}
- return NULL;
+ av_dict_free(pm);
+ *pm = dst;
}
-int av_metadata_set(AVMetadata **pm, AVMetadataTag elem)
+void ff_metadata_conv_ctx(AVFormatContext *ctx, const AVMetadataConv *d_conv,
+ const AVMetadataConv *s_conv)
{
- 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;
-}
-
-void av_metadata_free(AVMetadata **pm)
-{
- AVMetadata *m= *pm;
-
- if(m){
- while(m->count--){
- av_free(m->elems[m->count].key);
- av_free(m->elems[m->count].value);
- }
- av_free(m->elems);
- }
- av_freep(pm);
+ int i;
+ ff_metadata_conv(&ctx->metadata, d_conv, s_conv);
+ for (i=0; i<ctx->nb_streams ; i++)
+ ff_metadata_conv(&ctx->streams [i]->metadata, d_conv, s_conv);
+ for (i=0; i<ctx->nb_chapters; i++)
+ ff_metadata_conv(&ctx->chapters[i]->metadata, d_conv, s_conv);
+ for (i=0; i<ctx->nb_programs; i++)
+ ff_metadata_conv(&ctx->programs[i]->metadata, d_conv, s_conv);
}