PERSPECTIVE_SENSE_SOURCE   76 libavfilter/vf_perspective.c     { "sense",   "specify the sense of the coordinates", OFFSET(sense), AV_OPT_TYPE_INT, {.i64=PERSPECTIVE_SENSE_SOURCE}, 0, 1, FLAGS, "sense"},
PERSPECTIVE_SENSE_SOURCE   78 libavfilter/vf_perspective.c                 0, AV_OPT_TYPE_CONST, {.i64=PERSPECTIVE_SENSE_SOURCE}, 0, 0, FLAGS, "sense"},
PERSPECTIVE_SENSE_SOURCE  159 libavfilter/vf_perspective.c     case PERSPECTIVE_SENSE_SOURCE: