Imported Upstream version 0.14.2+dfsg1

libobs/data/default_rect.effect

@@ -1,7 +1,4 @@
 uniform float4x4 ViewProj;
-uniform float4x4 color_matrix;
-uniform float3 color_range_min = {0.0, 0.0, 0.0};
-uniform float3 color_range_max = {1.0, 1.0, 1.0};
 uniform texture_rect image;
 
 sampler_state def_sampler {
@@ -28,13 +25,6 @@ float4 PSDrawBare(VertInOut vert_in) : TARGET
 	return image.Sample(def_sampler, vert_in.uv);
 }
 
-float4 PSDrawMatrix(VertInOut vert_in) : TARGET
-{
-	float4 yuv = image.Sample(def_sampler, vert_in.uv);
-	yuv.xyz = clamp(yuv.xyz, color_range_min, color_range_max);
-	return saturate(mul(float4(yuv.xyz, 1.0), color_matrix));
-}
-
 technique Draw
 {
 	pass
@@ -43,13 +33,3 @@ technique Draw
 		pixel_shader  = PSDrawBare(vert_in);
 	}
 }
-
-technique DrawMatrix
-{
-	pass
-	{
-		vertex_shader = VSDefault(vert_in);
-		pixel_shader  = PSDrawMatrix(vert_in);
-	}
-}
-

libobs/data/deinterlace_base.effect

@@ -0,0 +1,293 @@
+/*
+ * Copyright (c) 2015 Ruwen Hahn <palana@stunned.de>
+ *                    John R. Bradley <jrb@turrettech.com>
+ *                    Hugh Bailey "Jim" <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+uniform float4x4 ViewProj;
+uniform texture2d image;
+uniform float4x4 color_matrix;
+uniform float3 color_range_min = {0.0, 0.0, 0.0};
+uniform float3 color_range_max = {1.0, 1.0, 1.0};
+
+uniform texture2d previous_image;
+uniform float2 dimensions;
+uniform int field_order;
+uniform bool frame2;
+
+sampler_state textureSampler {
+	Filter    = Linear;
+	AddressU  = Clamp;
+	AddressV  = Clamp;
+};
+
+struct VertData {
+	float4 pos : POSITION;
+	float2 uv  : TEXCOORD0;
+};
+
+int3 select(int2 texel, int x, int y)
+{
+	return int3(texel + int2(x, y), 0);
+}
+
+float4 load_at_prev(int2 texel, int x, int y)
+{
+	return previous_image.Load(select(texel, x, y));
+}
+
+float4 load_at_image(int2 texel, int x, int y)
+{
+	return image.Load(select(texel, x, y));
+}
+
+float4 load_at(int2 texel, int x, int y, int field)
+{
+	if(field == 0)
+		return load_at_image(texel, x, y);
+	else
+		return load_at_prev(texel, x, y);
+}
+
+#define YADIF_UPDATE(c, level) 	\
+	if(score.c < spatial_score.c) \
+	{ \
+		spatial_score.c = score.c; \
+		spatial_pred.c = (load_at(texel, level, -1, field) + load_at(texel, -level, 1, field)).c / 2; \
+
+#define YADIF_CHECK_ONE(level, c) \
+{ \
+	float4 score = abs(load_at(texel, -1 + level, 1, field) - load_at(texel, -1 - level, -1, field)) + \
+	               abs(load_at(texel, level,      1, field) - load_at(texel, -level,     -1, field)) + \
+	               abs(load_at(texel, 1 + level,  1, field) - load_at(texel, 1 - level,  -1, field)); \
+	YADIF_UPDATE(c, level) } \
+}
+
+#define YADIF_CHECK(level) \
+{ \
+	float4 score = abs(load_at(texel, -1 + level, 1, field) - load_at(texel, -1 - level, -1, field)) + \
+	               abs(load_at(texel, level,      1, field) - load_at(texel, -level,     -1, field)) + \
+	               abs(load_at(texel, 1 + level,  1, field) - load_at(texel, 1 - level,  -1, field)); \
+	YADIF_UPDATE(r, level) YADIF_CHECK_ONE(level * 2, r) } \
+	YADIF_UPDATE(g, level) YADIF_CHECK_ONE(level * 2, g) } \
+	YADIF_UPDATE(b, level) YADIF_CHECK_ONE(level * 2, b) } \
+	YADIF_UPDATE(a, level) YADIF_CHECK_ONE(level * 2, a) } \
+}
+
+float4 texel_at_yadif(int2 texel, int field, bool mode0)
+{
+	if((texel.y % 2) == field)
+		return load_at(texel, 0, 0, field);
+
+	#define YADIF_AVG(x_off, y_off) ((load_at_prev(texel, x_off, y_off) + load_at_image(texel, x_off, y_off))/2)
+	float4 c = load_at(texel, 0, 1, field),
+	       d = YADIF_AVG(0, 0),
+	       e = load_at(texel, 0, -1, field);
+
+	float4 temporal_diff0 = (abs(load_at_prev(texel,  0, 0)      -     load_at_image(texel, 0, 0)))      / 2,
+	       temporal_diff1 = (abs(load_at_prev(texel,  0, 1) - c) + abs(load_at_prev(texel,  0, -1) - e)) / 2,
+	       temporal_diff2 = (abs(load_at_image(texel, 0, 1) - c) + abs(load_at_image(texel, 0, -1) - e)) / 2,
+	       diff = max(temporal_diff0, max(temporal_diff1, temporal_diff2));
+
+	float4 spatial_pred = (c + e) / 2,
+	       spatial_score = abs(load_at(texel, -1, 1, field) - load_at(texel, -1, -1, field)) +
+	                       abs(c - e) +
+	                       abs(load_at(texel, 1,  1, field) - load_at(texel, 1,  -1, field)) - 1;
+
+	YADIF_CHECK(-1)
+	YADIF_CHECK(1)
+
+	if (mode0) {
+		float4 b = YADIF_AVG(0, 2),
+		       f = YADIF_AVG(0, -2);
+
+		float4 max_ = max(d - e, max(d - c, min(b - c, f - e))),
+		       min_ = min(d - e, min(d - c, max(b - c, f - e)));
+
+		diff = max(diff, max(min_, -max_));
+	} else {
+		diff = max(diff, max(min(d - e, d - c), -max(d - e, d - c)));
+	}
+
+#define YADIF_SPATIAL(c) \
+{ \
+	if(spatial_pred.c > d.c + diff.c) \
+		spatial_pred.c = d.c + diff.c; \
+	else if(spatial_pred.c < d.c - diff.c) \
+		spatial_pred.c = d.c - diff.c; \
+}
+
+	YADIF_SPATIAL(r)
+	YADIF_SPATIAL(g)
+	YADIF_SPATIAL(b)
+	YADIF_SPATIAL(a)
+
+	return spatial_pred;
+}
+
+float4 texel_at_yadif_2x(int2 texel, int field, bool mode0)
+{
+	field = frame2 ? (1 - field) : field;
+	return texel_at_yadif(texel, field, mode0);
+}
+
+float4 texel_at_discard(int2 texel, int field)
+{
+	texel.y = texel.y / 2 * 2;
+	return load_at_image(texel, 0, field);
+}
+
+float4 texel_at_discard_2x(int2 texel, int field)
+{
+	field = frame2 ? field : (1 - field);
+	return texel_at_discard(texel, field);
+}
+
+float4 texel_at_blend(int2 texel, int field)
+{
+	return (load_at_image(texel, 0, 0) + load_at_image(texel, 0, 1)) / 2;
+}
+
+float4 texel_at_blend_2x(int2 texel, int field)
+{
+	if (!frame2)
+		return (load_at_image(texel, 0, 0) +
+		        load_at_prev(texel, 0, 1)) / 2;
+	else
+		return (load_at_image(texel, 0, 0) +
+		        load_at_image(texel, 0, 1)) / 2;
+}
+
+float4 texel_at_linear(int2 texel, int field)
+{
+	if ((texel.y % 2) == field)
+		return load_at_image(texel, 0, 0);
+	return (load_at_image(texel, 0, -1) + load_at_image(texel, 0, 1)) / 2;
+}
+
+float4 texel_at_linear_2x(int2 texel, int field)
+{
+	field = frame2 ? field : (1 - field);
+	return texel_at_linear(texel, field);
+}
+
+float4 texel_at_yadif_discard(int2 texel, int field)
+{
+	return (texel_at_yadif(texel, field, true) + texel_at_discard(texel, field)) / 2;
+}
+
+float4 texel_at_yadif_discard_2x(int2 texel, int field)
+{
+	field = frame2 ? (1 - field) : field;
+	return (texel_at_yadif(texel, field, true) + texel_at_discard(texel, field)) / 2;
+}
+
+int2 pixel_uv(float2 uv)
+{
+	return int2(uv * dimensions);
+}
+
+float4 PSYadifMode0RGBA(VertData v_in) : TARGET
+{
+	return texel_at_yadif(pixel_uv(v_in.uv), field_order, true);
+}
+
+float4 PSYadifMode0RGBA_2x(VertData v_in) : TARGET
+{
+	return texel_at_yadif_2x(pixel_uv(v_in.uv), field_order, true);
+}
+
+float4 PSYadifMode2RGBA(VertData v_in) : TARGET
+{
+	return texel_at_yadif(pixel_uv(v_in.uv), field_order, false);
+}
+
+float4 PSYadifMode2RGBA_2x(VertData v_in) : TARGET
+{
+	return texel_at_yadif_2x(pixel_uv(v_in.uv), field_order, false);
+}
+
+float4 PSYadifDiscardRGBA(VertData v_in) : TARGET
+{
+	return texel_at_yadif_discard(pixel_uv(v_in.uv), field_order);
+}
+
+float4 PSYadifDiscardRGBA_2x(VertData v_in) : TARGET
+{
+	return texel_at_yadif_discard_2x(pixel_uv(v_in.uv), field_order);
+}
+
+float4 PSLinearRGBA(VertData v_in) : TARGET
+{
+	return texel_at_linear(pixel_uv(v_in.uv), field_order);
+}
+
+float4 PSLinearRGBA_2x(VertData v_in) : TARGET
+{
+	return texel_at_linear_2x(pixel_uv(v_in.uv), field_order);
+}
+
+float4 PSDiscardRGBA(VertData v_in) : TARGET
+{
+	return texel_at_discard(pixel_uv(v_in.uv), field_order);
+}
+
+float4 PSDiscardRGBA_2x(VertData v_in) : TARGET
+{
+	return texel_at_discard_2x(pixel_uv(v_in.uv), field_order);
+}
+
+float4 PSBlendRGBA(VertData v_in) : TARGET
+{
+	return texel_at_blend(pixel_uv(v_in.uv), field_order);
+}
+
+float4 PSBlendRGBA_2x(VertData v_in) : TARGET
+{
+	return texel_at_blend_2x(pixel_uv(v_in.uv), field_order);
+}
+
+VertData VSDefault(VertData v_in)
+{
+	VertData vert_out;
+	vert_out.pos = mul(float4(v_in.pos.xyz, 1.0), ViewProj);
+	vert_out.uv  = v_in.uv;
+	return vert_out;
+}
+
+#define TECHNIQUE(rgba_ps, matrix_ps) \
+technique Draw \
+{ \
+	pass \
+	{ \
+		vertex_shader = VSDefault(v_in); \
+		pixel_shader  = rgba_ps(v_in); \
+	} \
+} \
+float4 matrix_ps(VertData v_in) : TARGET \
+{ \
+	float4 yuv = rgba_ps(v_in); \
+	yuv.xyz = clamp(yuv.xyz, color_range_min, color_range_max); \
+	return saturate(mul(float4(yuv.xyz, 1.0), color_matrix)); \
+} \
+\
+technique DrawMatrix \
+{ \
+	pass \
+	{ \
+		vertex_shader = VSDefault(v_in); \
+		pixel_shader  = matrix_ps(v_in); \
+	} \
+}

libobs/data/deinterlace_blend.effect

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016 Ruwen Hahn <palana@stunned.de>
+ *                    John R. Bradley <jrb@turrettech.com>
+ *                    Hugh Bailey "Jim" <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "deinterlace_base.effect"
+
+TECHNIQUE( PSBlendRGBA, PSBlendMatrix);

libobs/data/deinterlace_blend_2x.effect

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016 Ruwen Hahn <palana@stunned.de>
+ *                    John R. Bradley <jrb@turrettech.com>
+ *                    Hugh Bailey "Jim" <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "deinterlace_base.effect"
+
+TECHNIQUE(PSBlendRGBA_2x, PSBlendMatrix_2x);

libobs/data/deinterlace_discard.effect

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016 Ruwen Hahn <palana@stunned.de>
+ *                    John R. Bradley <jrb@turrettech.com>
+ *                    Hugh Bailey "Jim" <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "deinterlace_base.effect"
+
+TECHNIQUE(PSDiscardRGBA, PSDiscardMatrix);

libobs/data/deinterlace_discard_2x.effect

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016 Ruwen Hahn <palana@stunned.de>
+ *                    John R. Bradley <jrb@turrettech.com>
+ *                    Hugh Bailey "Jim" <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "deinterlace_base.effect"
+
+TECHNIQUE(PSDiscardRGBA_2x, PSDiscardMatrix_2x);

libobs/data/deinterlace_linear.effect

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016 Ruwen Hahn <palana@stunned.de>
+ *                    John R. Bradley <jrb@turrettech.com>
+ *                    Hugh Bailey "Jim" <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "deinterlace_base.effect"
+
+TECHNIQUE(PSLinearRGBA, PSLinearMatrix);

libobs/data/deinterlace_linear_2x.effect

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016 Ruwen Hahn <palana@stunned.de>
+ *                    John R. Bradley <jrb@turrettech.com>
+ *                    Hugh Bailey "Jim" <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "deinterlace_base.effect"
+
+TECHNIQUE(PSLinearRGBA_2x, PSLinearxMatrixA_2x);

libobs/data/deinterlace_yadif.effect

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016 Ruwen Hahn <palana@stunned.de>
+ *                    John R. Bradley <jrb@turrettech.com>
+ *                    Hugh Bailey "Jim" <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "deinterlace_base.effect"
+
+TECHNIQUE(PSYadifMode0RGBA, PSYadifMode0Matrix);

libobs/data/deinterlace_yadif_2x.effect

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016 Ruwen Hahn <palana@stunned.de>
+ *                    John R. Bradley <jrb@turrettech.com>
+ *                    Hugh Bailey "Jim" <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "deinterlace_base.effect"
+
+TECHNIQUE(PSYadifMode0RGBA_2x, PSYadifMode0Matrix_2x);

libobs/data/lanczos_scale.effect

@@ -23,11 +23,19 @@ struct VertData {
 	float2 uv  : TEXCOORD0;
 };
 
-VertData VSDefault(VertData v_in)
+struct FragData {
+	float4 pos : POSITION;
+	float2 uv  : TEXCOORD0;
+	float2 scale  : TEXCOORD1;
+};
+
+FragData VSDefault(VertData v_in)
 {
-	VertData vert_out;
+	FragData vert_out;
 	vert_out.pos = mul(float4(v_in.pos.xyz, 1.0), ViewProj);
 	vert_out.uv  = v_in.uv;
+	vert_out.scale = min(0.25 + abs(0.75 / mul(float4(1.0 / base_dimension_i.xy, 1.0, 1.0), ViewProj).xy), 1.0);
+
 	return vert_out;
 }
 
@@ -48,12 +56,12 @@ float weight(float x, float radius)
 		return 0.0;
 }
 
-float3 weight3(float x)
+float3 weight3(float x, float scale)
 {
 	return float3(
-		weight(x * 2.0 + 0.0 * 2.0 - 3.0, 3.0),
-		weight(x * 2.0 + 1.0 * 2.0 - 3.0, 3.0),
-		weight(x * 2.0 + 2.0 * 2.0 - 3.0, 3.0));
+		weight((x * 2.0 + 0.0 * 2.0 - 3.0) * scale, 3.0),
+		weight((x * 2.0 + 1.0 * 2.0 - 3.0) * scale, 3.0),
+		weight((x * 2.0 + 2.0 * 2.0 - 3.0) * scale, 3.0));
 }
 
 float4 pixel(float xpos, float ypos)
@@ -73,16 +81,16 @@ float4 get_line(float ypos, float3 xpos1, float3 xpos2, float3 rowtap1,
 		pixel(xpos2.b, ypos) * rowtap2.b;
 }
 
-float4 DrawLanczos(VertData v_in)
+float4 DrawLanczos(FragData v_in)
 {
 	float2 stepxy = base_dimension_i;
 	float2 pos = v_in.uv + stepxy * 0.5;
 	float2 f = frac(pos / stepxy);
 
-	float3 rowtap1 = weight3((1.0 - f.x) / 2.0);
-	float3 rowtap2 = weight3((1.0 - f.x) / 2.0 + 0.5);
-	float3 coltap1 = weight3((1.0 - f.y) / 2.0);
-	float3 coltap2 = weight3((1.0 - f.y) / 2.0 + 0.5);
+	float3 rowtap1 = weight3((1.0 - f.x) / 2.0,       v_in.scale.x);
+	float3 rowtap2 = weight3((1.0 - f.x) / 2.0 + 0.5, v_in.scale.x);
+	float3 coltap1 = weight3((1.0 - f.y) / 2.0,       v_in.scale.y);
+	float3 coltap2 = weight3((1.0 - f.y) / 2.0 + 0.5, v_in.scale.y);
 
 	/* make sure all taps added together is exactly 1.0, otherwise some
          * (very small) distortion can occur */
@@ -106,12 +114,12 @@ float4 DrawLanczos(VertData v_in)
 		get_line(xystart.y + stepxy.y * 5.0, xpos1, xpos2, rowtap1, rowtap2) * coltap2.b;
 }
 
-float4 PSDrawLanczosRGBA(VertData v_in) : TARGET
+float4 PSDrawLanczosRGBA(FragData v_in) : TARGET
 {
 	return DrawLanczos(v_in);
 }
 
-float4 PSDrawLanczosMatrix(VertData v_in) : TARGET
+float4 PSDrawLanczosMatrix(FragData v_in) : TARGET
 {
 	float4 rgba = DrawLanczos(v_in);
 	float4 yuv;

libobs/data/premultiplied_alpha.effect

@@ -0,0 +1,38 @@
+uniform float4x4 ViewProj;
+uniform texture2d image;
+
+sampler_state def_sampler {
+	Filter   = Linear;
+	AddressU = Clamp;
+	AddressV = Clamp;
+};
+
+struct VertInOut {
+	float4 pos : POSITION;
+	float2 uv  : TEXCOORD0;
+};
+
+VertInOut VSDefault(VertInOut vert_in)
+{
+	VertInOut vert_out;
+	vert_out.pos = mul(float4(vert_in.pos.xyz, 1.0), ViewProj);
+	vert_out.uv  = vert_in.uv;
+	return vert_out;
+}
+
+float4 PSDraw(VertInOut vert_in) : TARGET
+{
+	float4 rgba = image.Sample(def_sampler, vert_in.uv);
+	if (rgba.a > 0.0)
+		rgba.rgb /= rgba.a;
+	return saturate(rgba);
+}
+
+technique Draw
+{
+	pass
+	{
+		vertex_shader = VSDefault(vert_in);
+		pixel_shader  = PSDraw(vert_in);
+	}
+}