izackp/Apollo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add color for BT701 colorspace

Browse Source
This commit is contained in:
loki
2021-05-05 11:28:57 +02:00
parent 1b7e103ef6
commit c19853f03f
2 changed files with 37 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
sunshine/platform/windows/display_vram.cpp
View File

@@ -32,17 +32,24 @@ struct __attribute__ ((__aligned__ (16))) color_t {
DirectX::XMFLOAT4 color_vec_v;
};
color_t make_color_matrix(float Cr, float Cb, float U_max, float V_max, float add_Y, float add_UV) {
float Cg = 1.0f - Cr - Cb;
float Cr_i = 1.0f - Cr;
float Cb_i = 1.0f - Cb;
return {
{ Cr, Cg, Cb, add_Y },
{ -(Cr * U_max / Cb_i), -(Cg * U_max / Cb_i), U_max, add_UV },
{ V_max, -(Cg * V_max / Cr_i), -(Cb * V_max / Cr_i), add_UV }
};
}
color_t colors[] {
{
{ 0.299f, 0.587f, 0.114f, 0.0625f }, // Color Luma (Y)
{ -0.14713f, -0.28886f, 0.436f, 0.5f }, // Color Cb (U)
{ 0.615f, -0.51499f, -0.10001f, 0.5f }, // Color Cr (V)
}, // BT602 -- MPEG
{
{ 0.299f, 0.587f, 0.114f, 0.0f }, // Color Luma (Y)
{ -0.168736f, -0.331264f, 0.5f, 0.5f }, // Color Cb (U)
{ 0.5f, -0.418688f, -0.081312f, 0.5f }, // Color Cr (V)
} // BT601 -- JPEG
make_color_matrix(0.299f, 0.114f, 0.436f, 0.615f, 0.0625, 0.5f), // BT601 MPEG
make_color_matrix(0.299f, 0.114f, 0.5f, 0.5f, 0.0f, 0.5f), // BT601 JPEG
make_color_matrix(0.2126f, 0.0722f, 0.436f, 0.615f, 0.0625, 0.5f), //BT701 MPEG
make_color_matrix(0.2126f, 0.0722f, 0.5f, 0.5f, 0.0f, 0.5f), //BT701 JPEG
};
template<class T>
@@ -267,7 +274,6 @@ public:
auto UV_rt_p = nv12_UV_rt.get();
_init_view_port(out_width, out_height);
device_ctx_p->OMSetRenderTargets(1, &Y_rt_p, nullptr);
device_ctx_p->ClearRenderTargetView(Y_rt_p, aquamarine);
device_ctx_p->VSSetShader(merge_Y_vs.get(), nullptr, 0);
@@ -275,6 +281,8 @@ public:
device_ctx_p->PSSetShaderResources(0, 1, &input_res_p);
device_ctx_p->Draw(3, 0);
device_ctx_p->Flush();
_init_view_port(out_width / 2, out_height / 2);
device_ctx_p->OMSetRenderTargets(1, &UV_rt_p, nullptr);
device_ctx_p->ClearRenderTargetView(UV_rt_p, aquamarine);
@@ -292,6 +300,8 @@ public:
color_p = &colors[0];
break;
case 1: // SWS_CS_ITU709
color_p = &colors[2];
break;
case 9: // SWS_CS_BT2020
default:
BOOST_LOG(warning) << "Colorspace: ["sv << colorspace << "] not yet supported: switching to default"sv;
@@ -581,6 +591,7 @@ public:
device_ctx_t::pointer device_ctx_p;
// The destructor will remove itself from the list of hardware devices, this is done synchronously
std::vector<hwdevice_t*> *hwdevices_p;
};