* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <strings.h>
+#include "avformat.h"
#include "metadata.h"
AVMetadataTag *
return NULL;
}
-int av_metadata_set(AVMetadata **pm, const char *key, const char *value)
+int av_metadata_set2(AVMetadata **pm, const char *key, const char *value, int flags)
{
AVMetadata *m= *pm;
AVMetadataTag *tag= av_metadata_get(m, key, NULL, AV_METADATA_MATCH_CASE);
m=*pm= av_mallocz(sizeof(*m));
if(tag){
+ if (flags & AV_METADATA_DONT_OVERWRITE)
+ return 0;
av_free(tag->value);
av_free(tag->key);
*tag= m->elems[--m->count];
return AVERROR(ENOMEM);
}
if(value){
+ if(flags & AV_METADATA_DONT_STRDUP_KEY){
+ m->elems[m->count].key = key;
+ }else
m->elems[m->count].key = av_strdup(key );
+ if(flags & AV_METADATA_DONT_STRDUP_VAL){
+ m->elems[m->count].value= value;
+ }else
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;
}
+#if FF_API_OLD_METADATA
+int av_metadata_set(AVMetadata **pm, const char *key, const char *value)
+{
+ return av_metadata_set2(pm, key, value, 0);
+}
+
+void av_metadata_conv(AVFormatContext *ctx, const AVMetadataConv *d_conv,
+ const AVMetadataConv *s_conv)
+{
+ return;
+}
+#endif
+
void av_metadata_free(AVMetadata **pm)
{
AVMetadata *m= *pm;
}
av_freep(pm);
}
+
+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;
+
+ if (d_conv == s_conv)
+ return;
+
+ while((mtag=av_metadata_get(*pm, "", mtag, AV_METADATA_IGNORE_SUFFIX))) {
+ key = mtag->key;
+ 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_set2(&dst, key, mtag->value, 0);
+ }
+ av_metadata_free(pm);
+ *pm = dst;
+}
+
+void ff_metadata_conv_ctx(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);
+}