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Update SDL to 2.0.18

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Alex Szpakowski
2021-12-03 18:40:24 -04:00
parent 8013eef9c5
commit 8ff9d249b2
1232 changed files with 136663 additions and 44780 deletions
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libs/SDL2/test/testyuv_cvt.c
+4 -4
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@@ -1,5 +1,5 @@
/*
Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
@@ -31,9 +31,9 @@ static void RGBtoYUV(Uint8 * rgb, int *yuv, SDL_YUV_CONVERSION_MODE mode, int mo
// This formula is from Microsoft's documentation:
// https://msdn.microsoft.com/en-us/library/windows/desktop/dd206750(v=vs.85).aspx
// L = Kr * R + Kb * B + (1 - Kr - Kb) * G
// Y = floor(2^(M-8) * (219*(L-Z)/S + 16) + 0.5);
// U = clip3(0, (2^M)-1, floor(2^(M-8) * (112*(B-L) / ((1-Kb)*S) + 128) + 0.5));
// V = clip3(0, (2^M)-1, floor(2^(M-8) * (112*(R-L) / ((1-Kr)*S) + 128) + 0.5));
// Y = SDL_floor(2^(M-8) * (219*(L-Z)/S + 16) + 0.5);
// U = clip3(0, (2^M)-1, SDL_floor(2^(M-8) * (112*(B-L) / ((1-Kb)*S) + 128) + 0.5));
// V = clip3(0, (2^M)-1, SDL_floor(2^(M-8) * (112*(R-L) / ((1-Kr)*S) + 128) + 0.5));
float S, Z, R, G, B, L, Kr, Kb, Y, U, V;
if (mode == SDL_YUV_CONVERSION_BT709) {