BLEND_BURN 74 libavfilter/vf_blend.c { "burn", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_BURN}, 0, 0, FLAGS, "mode" },\ BLEND_BURN 712 libavfilter/vf_blend.c case BLEND_BURN: param->blend = blend_burn_##depth##bit; break; \