av_log(s, AV_LOG_WARNING, "unknown subtype:"FF_PRI_GUID"\n", FF_ARG_GUID(subtype));
return st;
} else if (!ff_guidcmp(mediatype, mediatype_mpeg2_pes) &&
av_log(s, AV_LOG_WARNING, "unknown subtype:"FF_PRI_GUID"\n", FF_ARG_GUID(subtype));
return st;
} else if (!ff_guidcmp(mediatype, mediatype_mpeg2_pes) &&