* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <strings.h>
+#include "avformat.h"
#include "metadata.h"
AVMetadataTag *
-av_metadata_get(struct AVMetadata *m, const char *key, const AVMetadataTag *prev, int flags)
+av_metadata_get(AVMetadata *m, const char *key, const AVMetadataTag *prev, int flags)
{
unsigned int i, j;
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(flags & AV_METADATA_MATCH_CASE) for(j=0; s[j] == key[j] && key[j]; j++);
+ else for(j=0; toupper(s[j]) == toupper(key[j]) && key[j]; j++);
if(key[j])
continue;
if(s[j] && !(flags & AV_METADATA_IGNORE_SUFFIX))
return NULL;
}
-int av_metadata_set(struct AVMetadata **pm, AVMetadataTag elem)
+int av_metadata_set(AVMetadata **pm, const char *key, const char *value)
{
- struct AVMetadata *m= *pm;
- AVMetadataTag *tag= av_metadata_get(m, elem.key, NULL, 0);
+ AVMetadata *m= *pm;
+ AVMetadataTag *tag= av_metadata_get(m, key, NULL, AV_METADATA_MATCH_CASE);
if(!m)
m=*pm= av_mallocz(sizeof(*m));
}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(value){
+ m->elems[m->count].key = av_strdup(key );
+ m->elems[m->count].value= av_strdup(value);
+ m->count++;
}
- if(!m->count)
+ if(!m->count) {
+ av_free(m->elems);
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);
+}
+
+static void metadata_conv(AVMetadata **pm, const AVMetadataConv *d_conv,
+ const AVMetadataConv *s_conv)
+{
+ /* 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;
+ AVMetadataTag *mtag = NULL;
+ AVMetadata *dst = NULL;
+ const char *key;
+
+ while((mtag=av_metadata_get(*pm, "", mtag, AV_METADATA_IGNORE_SUFFIX))) {
+ key = mtag->key;
+ if (s_conv != d_conv) {
+ if (s_conv)
+ for (sc=s_conv; sc->native; sc++)
+ if (!strcasecmp(key, sc->native)) {
+ key = sc->generic;
+ break;
+ }
+ if (d_conv)
+ for (dc=d_conv; dc->native; dc++)
+ if (!strcasecmp(key, dc->generic)) {
+ key = dc->native;
+ break;
+ }
+ }
+ av_metadata_set(&dst, key, mtag->value);
+ }
+ av_metadata_free(pm);
+ *pm = dst;
+}
+
+void av_metadata_conv(AVFormatContext *ctx, const AVMetadataConv *d_conv,
+ const AVMetadataConv *s_conv)
+{
+ int i;
+ metadata_conv(&ctx->metadata, d_conv, s_conv);
+ for (i=0; i<ctx->nb_streams ; i++)
+ metadata_conv(&ctx->streams [i]->metadata, d_conv, s_conv);
+ for (i=0; i<ctx->nb_chapters; i++)
+ metadata_conv(&ctx->chapters[i]->metadata, d_conv, s_conv);
+ for (i=0; i<ctx->nb_programs; i++)
+ metadata_conv(&ctx->programs[i]->metadata, d_conv, s_conv);
+}