MFX_LOOKAHEAD_DS_2x  258 libavcodec/qsvenc.c     case MFX_LOOKAHEAD_DS_2x:  av_log(avctx, AV_LOG_VERBOSE, "2x");      break;
MFX_LOOKAHEAD_DS_2x  124 libavcodec/qsvenc_h264.c     { "2x"                     , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_2x      }, INT_MIN, INT_MAX,     VE, "look_ahead_downsampling" },