| // Copyright 2016 Adrien Descamps |
| // Distributed under BSD 3-Clause License |
| |
| // Provide optimized functions to convert images from 8bits yuv420 to rgb24 format |
| |
| // There are a few slightly different variations of the YCbCr color space with different parameters that |
| // change the conversion matrix. |
| // The three most common YCbCr color space, defined by BT.601, BT.709 and JPEG standard are implemented here. |
| // See the respective standards for details |
| // The matrix values used are derived from http://www.equasys.de/colorconversion.html |
| |
| // YUV420 is stored as three separate channels, with U and V (Cb and Cr) subsampled by a 2 factor |
| // For conversion from yuv to rgb, no interpolation is done, and the same UV value are used for 4 rgb pixels. This |
| // is suboptimal for image quality, but by far the fastest method. |
| |
| // For all methods, width and height should be even, if not, the last row/column of the result image won't be affected. |
| // For sse methods, if the width if not divisable by 32, the last (width%32) pixels of each line won't be affected. |
| |
| #include "SDL_stdinc.h" |
| /*#include <stdint.h>*/ |
| |
| typedef enum |
| { |
| YCBCR_JPEG, |
| YCBCR_601, |
| YCBCR_709 |
| } YCbCrType; |
| |
| // yuv to rgb, standard c implementation |
| void yuv420_rgb565_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_rgb24_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_rgba_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_bgra_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_argb_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_abgr_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_rgb565_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_rgb24_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_rgba_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_bgra_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_argb_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_abgr_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_rgb565_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_rgb24_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_rgba_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_bgra_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_argb_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_abgr_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| // yuv to rgb, sse implementation |
| // pointers must be 16 byte aligned, and strides must be divisable by 16 |
| void yuv420_rgb565_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_rgb24_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_rgba_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_bgra_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_argb_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_abgr_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_rgb565_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_rgb24_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_rgba_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_bgra_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_argb_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_abgr_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_rgb565_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_rgb24_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_rgba_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_bgra_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_argb_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_abgr_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| // yuv to rgb, sse implementation |
| // pointers do not need to be 16 byte aligned |
| void yuv420_rgb565_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_rgb24_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_rgba_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_bgra_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_argb_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv420_abgr_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_rgb565_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_rgb24_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_rgba_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_bgra_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_argb_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuv422_abgr_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_rgb565_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_rgb24_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_rgba_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_bgra_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_argb_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| void yuvnv12_abgr_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| uint8_t *rgb, uint32_t rgb_stride, |
| YCbCrType yuv_type); |
| |
| |
| // rgb to yuv, standard c implementation |
| void rgb24_yuv420_std( |
| uint32_t width, uint32_t height, |
| const uint8_t *rgb, uint32_t rgb_stride, |
| uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| YCbCrType yuv_type); |
| |
| // rgb to yuv, sse implementation |
| // pointers must be 16 byte aligned, and strides must be divisible by 16 |
| void rgb24_yuv420_sse( |
| uint32_t width, uint32_t height, |
| const uint8_t *rgb, uint32_t rgb_stride, |
| uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| YCbCrType yuv_type); |
| |
| // rgb to yuv, sse implementation |
| // pointers do not need to be 16 byte aligned |
| void rgb24_yuv420_sseu( |
| uint32_t width, uint32_t height, |
| const uint8_t *rgb, uint32_t rgb_stride, |
| uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride, |
| YCbCrType yuv_type); |
| |