PRED_NONE          31 libavcodec/utvideo.c     PRED_LEFT, PRED_MEDIAN, PRED_MEDIAN, PRED_NONE, PRED_GRADIENT
PRED_NONE         409 libavcodec/utvideoenc.c     case PRED_NONE:
PRED_NONE         654 libavcodec/utvideoenc.c { "pred", "Prediction method", OFFSET(frame_pred), AV_OPT_TYPE_INT, { .i64 = PRED_LEFT }, PRED_NONE, PRED_MEDIAN, VE, "pred" },
PRED_NONE         655 libavcodec/utvideoenc.c     { "none",     NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRED_NONE }, INT_MIN, INT_MAX, VE, "pred" },