{ "spatial", NULL, 0, AV_OPT_TYPE_CONST, { X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
{ "temporal", NULL, 0, AV_OPT_TYPE_CONST, { X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
{ "auto", NULL, 0, AV_OPT_TYPE_CONST, { X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
- { "slice-max-size","Constant quantization parameter rate control method",OFFSET(slice_max_size), AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
+ { "slice-max-size","Limit the size of each slice in bytes", OFFSET(slice_max_size),AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
{ NULL },
};