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libobs: obs-ffmpeg: win-dshow: Planar 4:2:2 video

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This format has been seen when using FFmpeg MJPEG decompression.
This commit is contained in:
James Park
2019-06-17 22:25:18 -07:00
committed by jpark37
parent f54fda4678
commit 37f663a789
7 changed files with 83 additions and 0 deletions
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28
libobs/data/format_conversion.effect
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@@ -363,6 +363,25 @@ float4 PSPlanar420_Reverse(FragTex frag_in) : TARGET
return saturate(mul(float4(yuv, 1.0), color_matrix));
}
float4 PSPlanar422_Reverse(FragTex frag_in) : TARGET
{
int x = int(frag_in.uv.x * width + PRECISION_OFFSET);
int y = int(frag_in.uv.y * height + PRECISION_OFFSET);
int lum_offset = y * int_width + x;
int chroma_offset = y * (int_width / 2) + x / 2;
int chroma1 = int_u_plane_offset + chroma_offset;
int chroma2 = int_v_plane_offset + chroma_offset;
float3 yuv = float3(
GetIntOffsetColor(lum_offset),
GetIntOffsetColor(chroma1),
GetIntOffsetColor(chroma2)
);
yuv = clamp(yuv, color_range_min, color_range_max);
return saturate(mul(float4(yuv, 1.0), color_matrix));
}
float4 PSPlanar444_Reverse(FragTex frag_in) : TARGET
{
int x = int(frag_in.uv.x * width + PRECISION_OFFSET);
@@ -535,6 +554,15 @@ technique I420_Reverse
}
}
technique I422_Reverse
{
pass
{
vertex_shader = VSPosTex(id);
pixel_shader = PSPlanar422_Reverse(frag_in);
}
}
technique I444_Reverse
{
pass