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| author | Stefano Sabatini <stefasab@gmail.com> | 2014-12-04 14:34:30 +0300 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2014-12-26 13:24:48 +0300 |
| commit | afaa4a89463187fe98042ba6bab0269ba4b4ba47 (patch) | |
| tree | f9faf5c73dd6edd7d696a3aa81aabdf2311a8b53 /libavfilter/vf_blend.c | |
| parent | 7c210c442462db78e05569ee23d4dd955c1b1a0b (diff) | |
lavfi/blend: add difference128 mode
Diffstat (limited to 'libavfilter/vf_blend.c')
| -rw-r--r-- | libavfilter/vf_blend.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavfilter/vf_blend.c b/libavfilter/vf_blend.c index 8bf19ffd50..1b3ba95b1a 100644 --- a/libavfilter/vf_blend.c +++ b/libavfilter/vf_blend.c @@ -41,6 +41,7 @@ enum BlendMode { BLEND_BURN, BLEND_DARKEN, BLEND_DIFFERENCE, + BLEND_DIFFERENCE128, BLEND_DIVIDE, BLEND_DODGE, BLEND_EXCLUSION, @@ -112,6 +113,7 @@ static const AVOption blend_options[] = { { "burn", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_BURN}, 0, 0, FLAGS, "mode" }, { "darken", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_DARKEN}, 0, 0, FLAGS, "mode" }, { "difference", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_DIFFERENCE}, 0, 0, FLAGS, "mode" }, + { "difference128", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_DIFFERENCE128}, 0, 0, FLAGS, "mode" }, { "divide", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_DIVIDE}, 0, 0, FLAGS, "mode" }, { "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" }, @@ -190,6 +192,7 @@ DEFINE_BLEND(subtract, FFMAX(0, A - B)) DEFINE_BLEND(multiply, MULTIPLY(1, A, B)) DEFINE_BLEND(negation, 255 - FFABS(255 - A - B)) DEFINE_BLEND(difference, FFABS(A - B)) +DEFINE_BLEND(difference128, av_clip_uint8(128 + A - B)) 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)) @@ -310,6 +313,7 @@ static av_cold int init(AVFilterContext *ctx) case BLEND_BURN: param->blend = blend_burn; break; case BLEND_DARKEN: param->blend = blend_darken; break; case BLEND_DIFFERENCE: param->blend = blend_difference; break; + case BLEND_DIFFERENCE128: param->blend = blend_difference128; break; case BLEND_DIVIDE: param->blend = blend_divide; break; case BLEND_DODGE: param->blend = blend_dodge; break; case BLEND_EXCLUSION: param->blend = blend_exclusion; break; |