extract_extradata_mpeg12 341 libavcodec/extract_extradata_bsf.c { AV_CODEC_ID_MPEG1VIDEO, extract_extradata_mpeg12 }, extract_extradata_mpeg12 342 libavcodec/extract_extradata_bsf.c { AV_CODEC_ID_MPEG2VIDEO, extract_extradata_mpeg12 },