BLEND_SUBTRACT,
BLEND_VIVIDLIGHT,
BLEND_XOR,
+ BLEND_HARDMIX,
BLEND_NB
};
{ "dodge", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_DODGE}, 0, 0, FLAGS, "mode" },\
{ "exclusion", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_EXCLUSION}, 0, 0, FLAGS, "mode" },\
{ "hardlight", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_HARDLIGHT}, 0, 0, FLAGS, "mode" },\
+ { "hardmix", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_HARDMIX}, 0, 0, FLAGS, "mode" },\
{ "lighten", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_LIGHTEN}, 0, 0, FLAGS, "mode" },\
{ "multiply", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_MULTIPLY}, 0, 0, FLAGS, "mode" },\
{ "negation", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_NEGATION}, 0, 0, FLAGS, "mode" },\
DEFINE_BLEND(screen, SCREEN(1, A, B))
DEFINE_BLEND(overlay, (A < 128) ? MULTIPLY(2, A, B) : SCREEN(2, A, B))
DEFINE_BLEND(hardlight, (B < 128) ? MULTIPLY(2, B, A) : SCREEN(2, B, A))
+DEFINE_BLEND(hardmix, (A < (255 - B)) ? 0: 255)
DEFINE_BLEND(darken, FFMIN(A, B))
DEFINE_BLEND(lighten, FFMAX(A, B))
DEFINE_BLEND(divide, av_clip_uint8(((float)A / ((float)B) * 255)))
case BLEND_DODGE: param->blend = blend_dodge; break;
case BLEND_EXCLUSION: param->blend = blend_exclusion; break;
case BLEND_HARDLIGHT: param->blend = blend_hardlight; break;
+ case BLEND_HARDMIX: param->blend = blend_hardmix; break;
case BLEND_LIGHTEN: param->blend = blend_lighten; break;
case BLEND_MULTIPLY: param->blend = blend_multiply; break;
case BLEND_NEGATION: param->blend = blend_negation; break;