| /* |
| Copyright (C) 1997-2024 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 |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely. |
| */ |
| |
| /* These functions are designed for testing correctness, not for speed */ |
| |
| typedef enum |
| { |
| YUV_CONVERSION_JPEG, /**< Full range JPEG */ |
| YUV_CONVERSION_BT601, /**< BT.601 (the default) */ |
| YUV_CONVERSION_BT709, /**< BT.709 */ |
| YUV_CONVERSION_BT2020, /**< BT.2020 */ |
| YUV_CONVERSION_AUTOMATIC /**< BT.601 for SD content, BT.709 for HD content */ |
| } YUV_CONVERSION_MODE; |
| |
| extern void SetYUVConversionMode(YUV_CONVERSION_MODE mode); |
| extern YUV_CONVERSION_MODE GetYUVConversionModeForResolution(int width, int height); |
| extern SDL_Colorspace GetColorspaceForYUVConversionMode(YUV_CONVERSION_MODE mode); |
| extern bool ConvertRGBtoYUV(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, YUV_CONVERSION_MODE mode, int monochrome, int luminance); |
| extern int CalculateYUVPitch(Uint32 format, int width); |
