MFX_LOOKAHEAD_DS_UNKNOWN  120 libavcodec/qsvenc_h264.c                                           AV_OPT_TYPE_INT,   { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, MFX_LOOKAHEAD_DS_UNKNOWN, MFX_LOOKAHEAD_DS_4x, VE, "look_ahead_downsampling" },
MFX_LOOKAHEAD_DS_UNKNOWN  121 libavcodec/qsvenc_h264.c     { "unknown"                , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX,     VE, "look_ahead_downsampling" },
MFX_LOOKAHEAD_DS_UNKNOWN  122 libavcodec/qsvenc_h264.c     { "auto"                   , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX,     VE, "look_ahead_downsampling" },