return m ? m->count : 0;
}
-AVDictionaryEntry *av_dict_get(AVDictionary *m, const char *key,
+AVDictionaryEntry *av_dict_get(const AVDictionary *m, const char *key,
const AVDictionaryEntry *prev, int flags)
{
unsigned int i, j;
av_freep(pm);
}
-void av_dict_copy(AVDictionary **dst, AVDictionary *src, int flags)
+void av_dict_copy(AVDictionary **dst, const AVDictionary *src, int flags)
{
AVDictionaryEntry *t = NULL;