AV_METADATA_MATCH_CASE   38 libavformat/metadata.c         if(flags & AV_METADATA_MATCH_CASE) for(j=0;         s[j]  ==         key[j]  && key[j]; j++);
AV_METADATA_MATCH_CASE   52 libavformat/metadata.c     AVMetadataTag *tag= av_metadata_get(m, key, NULL, AV_METADATA_MATCH_CASE);