diff options
| author | Paul B Mahol <onemda@gmail.com> | 2016-02-24 19:28:35 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2016-02-24 19:30:13 +0100 |
| commit | b6a0aa1c0a6c1658c1faaf75226e377a6e2751a9 (patch) | |
| tree | d3615beee01aad9f1ee2af97c58382e14f99605b /libavfilter/vf_blend.c | |
| parent | 2ef37691a0597529280dcb5be90325687eadac26 (diff) | |
avfilter/vf_blend: add freeze and heat modes
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavfilter/vf_blend.c')
| -rw-r--r-- | libavfilter/vf_blend.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavfilter/vf_blend.c b/libavfilter/vf_blend.c index ea63a20090..7125a1e707 100644 --- a/libavfilter/vf_blend.c +++ b/libavfilter/vf_blend.c @@ -76,9 +76,11 @@ typedef struct ThreadData { { "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" },\ + { "freeze", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_FREEZE}, 0, 0, FLAGS, "mode" },\ { "glow", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_GLOW}, 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" },\ + { "heat", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_HEAT}, 0, 0, FLAGS, "mode" },\ { "lighten", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_LIGHTEN}, 0, 0, FLAGS, "mode" },\ { "linearlight","", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_LINEARLIGHT},0, 0, FLAGS, "mode" },\ { "multiply", "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_MULTIPLY}, 0, 0, FLAGS, "mode" },\ @@ -245,6 +247,8 @@ DEFINE_BLEND8(screen, SCREEN(1, A, B)) DEFINE_BLEND8(overlay, (A < 128) ? MULTIPLY(2, A, B) : SCREEN(2, A, B)) DEFINE_BLEND8(hardlight, (B < 128) ? MULTIPLY(2, B, A) : SCREEN(2, B, A)) DEFINE_BLEND8(hardmix, (A < (255 - B)) ? 0: 255) +DEFINE_BLEND8(heat, (A == 0) ? 0 : 255 - FFMIN(((255 - B) * (255 - B)) / A, 255)) +DEFINE_BLEND8(freeze, (B == 0) ? 0 : 255 - FFMIN(((255 - A) * (255 - A)) / B, 255)) DEFINE_BLEND8(darken, FFMIN(A, B)) DEFINE_BLEND8(lighten, FFMAX(A, B)) DEFINE_BLEND8(divide, av_clip_uint8(B == 0 ? 255 : 255 * A / B)) @@ -285,6 +289,8 @@ DEFINE_BLEND16(screen, SCREEN(1, A, B)) DEFINE_BLEND16(overlay, (A < 32768) ? MULTIPLY(2, A, B) : SCREEN(2, A, B)) DEFINE_BLEND16(hardlight, (B < 32768) ? MULTIPLY(2, B, A) : SCREEN(2, B, A)) DEFINE_BLEND16(hardmix, (A < (65535 - B)) ? 0: 65535) +DEFINE_BLEND16(heat, (A == 0) ? 0 : 65535 - FFMIN(((65535 - B) * (65535 - B)) / A, 65535)) +DEFINE_BLEND16(freeze, (B == 0) ? 0 : 65535 - FFMIN(((65535 - A) * (65535 - A)) / B, 65535)) DEFINE_BLEND16(darken, FFMIN(A, B)) DEFINE_BLEND16(lighten, FFMAX(A, B)) DEFINE_BLEND16(divide, av_clip_uint16(B == 0 ? 65535 : 65535 * A / B)) @@ -451,9 +457,11 @@ void ff_blend_init(FilterParams *param, int is_16bit) case BLEND_DIVIDE: param->blend = is_16bit ? blend_divide_16bit : blend_divide_8bit; break; case BLEND_DODGE: param->blend = is_16bit ? blend_dodge_16bit : blend_dodge_8bit; break; case BLEND_EXCLUSION: param->blend = is_16bit ? blend_exclusion_16bit : blend_exclusion_8bit; break; + case BLEND_FREEZE: param->blend = is_16bit ? blend_freeze_16bit : blend_freeze_8bit; break; case BLEND_GLOW: param->blend = is_16bit ? blend_glow_16bit : blend_glow_8bit; break; case BLEND_HARDLIGHT: param->blend = is_16bit ? blend_hardlight_16bit : blend_hardlight_8bit; break; case BLEND_HARDMIX: param->blend = is_16bit ? blend_hardmix_16bit : blend_hardmix_8bit; break; + case BLEND_HEAT: param->blend = is_16bit ? blend_heat_16bit : blend_heat_8bit; break; case BLEND_LIGHTEN: param->blend = is_16bit ? blend_lighten_16bit : blend_lighten_8bit; break; case BLEND_LINEARLIGHT:param->blend = is_16bit ? blend_linearlight_16bit: blend_linearlight_8bit;break; case BLEND_MULTIPLY: param->blend = is_16bit ? blend_multiply_16bit : blend_multiply_8bit; break; |