MPEG2_START_GROUP  286 libavcodec/cbs_mpeg2.c             START(MPEG2_START_GROUP,     MPEG2RawGroupOfPicturesHeader,
MPEG2_START_GROUP  314 libavcodec/cbs_mpeg2.c         START(MPEG2_START_GROUP,           MPEG2RawGroupOfPicturesHeader,
MPEG2_START_GROUP  131 libavcodec/vaapi_encode_mpeg2.c     err = vaapi_encode_mpeg2_add_header(avctx, frag, MPEG2_START_GROUP,
MPEG2_START_GROUP  314 libavcodec/vaapi_encode_mpeg2.c     goph->group_start_code = MPEG2_START_GROUP;