AV_CODEC_FLAG2_EXPORT_MVS   79 libavcodec/options_table.h {"export_mvs", "export motion vectors through frame side data", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_FLAG2_EXPORT_MVS}, INT_MIN, INT_MAX, V|D, "flags2"},
AV_CODEC_FLAG2_EXPORT_MVS  921 libavcodec/utils.c     if (avctx->flags2 & AV_CODEC_FLAG2_EXPORT_MVS) {