BLEND_BURN 112 libavfilter/vf_blend.c { "burn", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_BURN}, 0, 0, FLAGS, "mode" },\ BLEND_BURN 321 libavfilter/vf_blend.c case BLEND_BURN: param->blend = blend_burn; break;