/* * software RGB to RGB converter * pluralize by software PAL8 to RGB converter * software YUV to YUV converter * software YUV to RGB converter * Written by Nick Kurshev. * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at) * lot of big-endian byte order fixes by Alex Beregszaszi * * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <stddef.h> #include "libavutil/attributes.h" static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst, int src_size) { uint8_t *dest = dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { #if HAVE_BIGENDIAN /* RGB24 (= R, G, B) -> RGB32 (= A, B, G, R) */ *dest++ = 255; *dest++ = s[2]; *dest++ = s[1]; *dest++ = s[0]; s += 3; #else *dest++ = *s++; *dest++ = *s++; *dest++ = *s++; *dest++ = 255; #endif } } static inline void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size) { uint8_t *dest = dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { #if HAVE_BIGENDIAN /* RGB32 (= A, B, G, R) -> RGB24 (= R, G, B) */ s++; dest[2] = *s++; dest[1] = *s++; dest[0] = *s++; dest += 3; #else *dest++ = *s++; *dest++ = *s++; *dest++ = *s++; s++; #endif } } /* * original by Strepto/Astral * ported to gcc & bugfixed: A'rpi * MMXEXT, 3DNOW optimization by Nick Kurshev * 32-bit C version, and and&add trick by Michael Niedermayer */ static inline void rgb15to16_c(const uint8_t *src, uint8_t *dst, int src_size) { register uint8_t *d = dst; register const uint8_t *s = src; register const uint8_t *end = s + src_size; const uint8_t *mm_end = end - 3; while (s < mm_end) { register unsigned x = *((const uint32_t *)s); *((uint32_t *)d) = (x & 0x7FFF7FFF) + (x & 0x7FE07FE0); d += 4; s += 4; } if (s < end) { register unsigned short x = *((const uint16_t *)s); *((uint16_t *)d) = (x & 0x7FFF) + (x & 0x7FE0); } } static inline void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size) { register uint8_t *d = dst; register const uint8_t *s = src; register const uint8_t *end = s + src_size; const uint8_t *mm_end = end - 3; while (s < mm_end) { register uint32_t x = *((const uint32_t *)s); *((uint32_t *)d) = ((x >> 1) & 0x7FE07FE0) | (x & 0x001F001F); s += 4; d += 4; } if (s < end) { register uint16_t x = *((const uint16_t *)s); *((uint16_t *)d) = ((x >> 1) & 0x7FE0) | (x & 0x001F); } } static inline void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size) { uint16_t *d = (uint16_t *)dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { register int rgb = *(const uint32_t *)s; s += 4; *d++ = ((rgb & 0xFF) >> 3) + ((rgb & 0xFC00) >> 5) + ((rgb & 0xF80000) >> 8); } } static inline void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size) { uint16_t *d = (uint16_t *)dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { register int rgb = *(const uint32_t *)s; s += 4; *d++ = ((rgb & 0xF8) << 8) + ((rgb & 0xFC00) >> 5) + ((rgb & 0xF80000) >> 19); } } static inline void rgb32to15_c(const uint8_t *src, uint8_t *dst, int src_size) { uint16_t *d = (uint16_t *)dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { register int rgb = *(const uint32_t *)s; s += 4; *d++ = ((rgb & 0xFF) >> 3) + ((rgb & 0xF800) >> 6) + ((rgb & 0xF80000) >> 9); } } static inline void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size) { uint16_t *d = (uint16_t *)dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { register int rgb = *(const uint32_t *)s; s += 4; *d++ = ((rgb & 0xF8) << 7) + ((rgb & 0xF800) >> 6) + ((rgb & 0xF80000) >> 19); } } static inline void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size) { uint16_t *d = (uint16_t *)dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { const int b = *s++; const int g = *s++; const int r = *s++; *d++ = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8); } } static inline void rgb24to16_c(const uint8_t *src, uint8_t *dst, int src_size) { uint16_t *d = (uint16_t *)dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { const int r = *s++; const int g = *s++; const int b = *s++; *d++ = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8); } } static inline void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size) { uint16_t *d = (uint16_t *)dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { const int b = *s++; const int g = *s++; const int r = *s++; *d++ = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7); } } static inline void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size) { uint16_t *d = (uint16_t *)dst; const uint8_t *s = src; const uint8_t *end = s + src_size; while (s < end) { const int r = *s++; const int g = *s++; const int b = *s++; *d++ = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7); } } /* * I use less accurate approximation here by simply left-shifting the input * value and filling the low order bits with zeroes. This method improves PNG * compression but this scheme cannot reproduce white exactly, since it does * not generate an all-ones maximum value; the net effect is to darken the * image slightly. * * The better method should be "left bit replication": * * 4 3 2 1 0 * --------- * 1 1 0 1 1 * * 7 6 5 4 3 2 1 0 * ---------------- * 1 1 0 1 1 1 1 0 * |=======| |===| * | leftmost bits repeated to fill open bits * | * original bits */ static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size) { uint8_t *d = dst; const uint16_t *s = (const uint16_t *)src; const uint16_t *end = s + src_size / 2; while (s < end) { register uint16_t bgr = *s++; *d++ = (bgr & 0x1F) << 3; *d++ = (bgr & 0x3E0) >> 2; *d++ = (bgr & 0x7C00) >> 7; } } static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size) { uint8_t *d = (uint8_t *)dst; const uint16_t *s = (const uint16_t *)src; const uint16_t *end = s + src_size / 2; while (s < end) { register uint16_t bgr = *s++; *d++ = (bgr & 0x1F) << 3; *d++ = (bgr & 0x7E0) >> 3; *d++ = (bgr & 0xF800) >> 8; } } static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size) { uint8_t *d = dst; const uint16_t *s = (const uint16_t *)src; const uint16_t *end = s + src_size / 2; while (s < end) { register uint16_t bgr = *s++; #if HAVE_BIGENDIAN *d++ = 255; *d++ = (bgr & 0x7C00) >> 7; *d++ = (bgr & 0x3E0) >> 2; *d++ = (bgr & 0x1F) << 3; #else *d++ = (bgr & 0x1F) << 3; *d++ = (bgr & 0x3E0) >> 2; *d++ = (bgr & 0x7C00) >> 7; *d++ = 255; #endif } } static inline void rgb16to32_c(const uint8_t *src, uint8_t *dst, int src_size) { uint8_t *d = dst; const uint16_t *s = (const uint16_t *)src; const uint16_t *end = s + src_size / 2; while (s < end) { register uint16_t bgr = *s++; #if HAVE_BIGENDIAN *d++ = 255; *d++ = (bgr & 0xF800) >> 8; *d++ = (bgr & 0x7E0) >> 3; *d++ = (bgr & 0x1F) << 3; #else *d++ = (bgr & 0x1F) << 3; *d++ = (bgr & 0x7E0) >> 3; *d++ = (bgr & 0xF800) >> 8; *d++ = 255; #endif } } static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst, int src_size) { int idx = 15 - src_size; const uint8_t *s = src - idx; uint8_t *d = dst - idx; for (; idx < 15; idx += 4) { register int v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00; v &= 0xff00ff; *(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16); } } static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size) { unsigned i; for (i = 0; i < src_size; i += 3) { register uint8_t x = src[i + 2]; dst[i + 1] = src[i + 1]; dst[i + 2] = src[i + 0]; dst[i + 0] = x; } } static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride, int vertLumPerChroma) { int y, i; const int chromWidth = width >> 1; for (y = 0; y < height; y++) { #if HAVE_FAST_64BIT uint64_t *ldst = (uint64_t *)dst; const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc; for (i = 0; i < chromWidth; i += 2) { uint64_t k = yc[0] + (uc[0] << 8) + (yc[1] << 16) + (vc[0] << 24); uint64_t l = yc[2] + (uc[1] << 8) + (yc[3] << 16) + (vc[1] << 24); *ldst++ = k + (l << 32); yc += 4; uc += 2; vc += 2; } #else int *idst = (int32_t *)dst; const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc; for (i = 0; i < chromWidth; i++) { #if HAVE_BIGENDIAN *idst++ = (yc[0] << 24) + (uc[0] << 16) + (yc[1] << 8) + (vc[0] << 0); #else *idst++ = yc[0] + (uc[0] << 8) + (yc[1] << 16) + (vc[0] << 24); #endif yc += 2; uc++; vc++; } #endif if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) { usrc += chromStride; vsrc += chromStride; } ysrc += lumStride; dst += dstStride; } } /** * Height should be a multiple of 2 and width should be a multiple of 16. * (If this is a problem for anyone then tell me, and I will fix it.) */ static inline void yv12toyuy2_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride) { //FIXME interpolate chroma yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 2); } static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride, int vertLumPerChroma) { int y, i; const int chromWidth = width >> 1; for (y = 0; y < height; y++) { #if HAVE_FAST_64BIT uint64_t *ldst = (uint64_t *)dst; const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc; for (i = 0; i < chromWidth; i += 2) { uint64_t k = uc[0] + (yc[0] << 8) + (vc[0] << 16) + (yc[1] << 24); uint64_t l = uc[1] + (yc[2] << 8) + (vc[1] << 16) + (yc[3] << 24); *ldst++ = k + (l << 32); yc += 4; uc += 2; vc += 2; } #else int *idst = (int32_t *)dst; const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc; for (i = 0; i < chromWidth; i++) { #if HAVE_BIGENDIAN *idst++ = (uc[0] << 24) + (yc[0] << 16) + (vc[0] << 8) + (yc[1] << 0); #else *idst++ = uc[0] + (yc[0] << 8) + (vc[0] << 16) + (yc[1] << 24); #endif yc += 2; uc++; vc++; } #endif if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) { usrc += chromStride; vsrc += chromStride; } ysrc += lumStride; dst += dstStride; } } /** * Height should be a multiple of 2 and width should be a multiple of 16 * (If this is a problem for anyone then tell me, and I will fix it.) */ static inline void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride) { //FIXME interpolate chroma yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 2); } /** * Width should be a multiple of 16. */ static inline void yuv422ptouyvy_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride) { yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 1); } /** * Width should be a multiple of 16. */ static inline void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride) { yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 1); } /** * Height should be a multiple of 2 and width should be a multiple of 16. * (If this is a problem for anyone then tell me, and I will fix it.) */ static inline void yuy2toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride) { int y; const int chromWidth = width >> 1; for (y = 0; y < height; y += 2) { int i; for (i = 0; i < chromWidth; i++) { ydst[2 * i + 0] = src[4 * i + 0]; udst[i] = src[4 * i + 1]; ydst[2 * i + 1] = src[4 * i + 2]; vdst[i] = src[4 * i + 3]; } ydst += lumStride; src += srcStride; for (i = 0; i < chromWidth; i++) { ydst[2 * i + 0] = src[4 * i + 0]; ydst[2 * i + 1] = src[4 * i + 2]; } udst += chromStride; vdst += chromStride; ydst += lumStride; src += srcStride; } } static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth, int srcHeight, int srcStride, int dstStride) { int x, y; dst[0] = src[0]; // first line for (x = 0; x < srcWidth - 1; x++) { dst[2 * x + 1] = (3 * src[x] + src[x + 1]) >> 2; dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2; } dst[2 * srcWidth - 1] = src[srcWidth - 1]; dst += dstStride; for (y = 1; y < srcHeight; y++) { const int mmxSize = 1; dst[0] = (src[0] * 3 + src[srcStride]) >> 2; dst[dstStride] = (src[0] + 3 * src[srcStride]) >> 2; for (x = mmxSize - 1; x < srcWidth - 1; x++) { dst[2 * x + 1] = (src[x + 0] * 3 + src[x + srcStride + 1]) >> 2; dst[2 * x + dstStride + 2] = (src[x + 0] + 3 * src[x + srcStride + 1]) >> 2; dst[2 * x + dstStride + 1] = (src[x + 1] + 3 * src[x + srcStride]) >> 2; dst[2 * x + 2] = (src[x + 1] * 3 + src[x + srcStride]) >> 2; } dst[srcWidth * 2 - 1] = (src[srcWidth - 1] * 3 + src[srcWidth - 1 + srcStride]) >> 2; dst[srcWidth * 2 - 1 + dstStride] = (src[srcWidth - 1] + 3 * src[srcWidth - 1 + srcStride]) >> 2; dst += dstStride * 2; src += srcStride; } // last line dst[0] = src[0]; for (x = 0; x < srcWidth - 1; x++) { dst[2 * x + 1] = (src[x] * 3 + src[x + 1]) >> 2; dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2; } dst[2 * srcWidth - 1] = src[srcWidth - 1]; } /** * Height should be a multiple of 2 and width should be a multiple of 16. * (If this is a problem for anyone then tell me, and I will fix it.) * Chrominance data is only taken from every second line, others are ignored. * FIXME: Write HQ version. */ static inline void uyvytoyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride) { int y; const int chromWidth = width >> 1; for (y = 0; y < height; y += 2) { int i; for (i = 0; i < chromWidth; i++) { udst[i] = src[4 * i + 0]; ydst[2 * i + 0] = src[4 * i + 1]; vdst[i] = src[4 * i + 2]; ydst[2 * i + 1] = src[4 * i + 3]; } ydst += lumStride; src += srcStride; for (i = 0; i < chromWidth; i++) { ydst[2 * i + 0] = src[4 * i + 1]; ydst[2 * i + 1] = src[4 * i + 3]; } udst += chromStride; vdst += chromStride; ydst += lumStride; src += srcStride; } } /** * Height should be a multiple of 2 and width should be a multiple of 2. * (If this is a problem for anyone then tell me, and I will fix it.) * Chrominance data is only taken from every second line, * others are ignored in the C version. * FIXME: Write HQ version. */ void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride) { int y; const int chromWidth = width >> 1; for (y = 0; y < height; y += 2) { int i; for (i = 0; i < chromWidth; i++) { unsigned int b = src[6 * i + 0]; unsigned int g = src[6 * i + 1]; unsigned int r = src[6 * i + 2]; unsigned int Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16; unsigned int V = ((RV * r + GV * g + BV * b) >> RGB2YUV_SHIFT) + 128; unsigned int U = ((RU * r + GU * g + BU * b) >> RGB2YUV_SHIFT) + 128; udst[i] = U; vdst[i] = V; ydst[2 * i] = Y; b = src[6 * i + 3]; g = src[6 * i + 4]; r = src[6 * i + 5]; Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16; ydst[2 * i + 1] = Y; } ydst += lumStride; src += srcStride; for (i = 0; i < chromWidth; i++) { unsigned int b = src[6 * i + 0]; unsigned int g = src[6 * i + 1]; unsigned int r = src[6 * i + 2]; unsigned int Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16; ydst[2 * i] = Y; b = src[6 * i + 3]; g = src[6 * i + 4]; r = src[6 * i + 5]; Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16; ydst[2 * i + 1] = Y; } udst += chromStride; vdst += chromStride; ydst += lumStride; src += srcStride; } } static void interleaveBytes_c(const uint8_t *src1, const uint8_t *src2, uint8_t *dest, int width, int height, int src1Stride, int src2Stride, int dstStride) { int h; for (h = 0; h < height; h++) { int w; for (w = 0; w < width; w++) { dest[2 * w + 0] = src1[w]; dest[2 * w + 1] = src2[w]; } dest += dstStride; src1 += src1Stride; src2 += src2Stride; } } static void deinterleaveBytes_c(const uint8_t *src, uint8_t *dst1, uint8_t *dst2, int width, int height, int srcStride, int dst1Stride, int dst2Stride) { int h; for (h = 0; h < height; h++) { int w; for (w = 0; w < width; w++) { dst1[w] = src[2 * w + 0]; dst2[w] = src[2 * w + 1]; } src += srcStride; dst1 += dst1Stride; dst2 += dst2Stride; } } static inline void vu9_to_vu12_c(const uint8_t *src1, const uint8_t *src2, uint8_t *dst1, uint8_t *dst2, int width, int height, int srcStride1, int srcStride2, int dstStride1, int dstStride2) { int x, y; int w = width / 2; int h = height / 2; for (y = 0; y < h; y++) { const uint8_t *s1 = src1 + srcStride1 * (y >> 1); uint8_t *d = dst1 + dstStride1 * y; for (x = 0; x < w; x++) d[2 * x] = d[2 * x + 1] = s1[x]; } for (y = 0; y < h; y++) { const uint8_t *s2 = src2 + srcStride2 * (y >> 1); uint8_t *d = dst2 + dstStride2 * y; for (x = 0; x < w; x++) d[2 * x] = d[2 * x + 1] = s2[x]; } } static inline void yvu9_to_yuy2_c(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, uint8_t *dst, int width, int height, int srcStride1, int srcStride2, int srcStride3, int dstStride) { int x, y; int w = width / 2; int h = height; for (y = 0; y < h; y++) { const uint8_t *yp = src1 + srcStride1 * y; const uint8_t *up = src2 + srcStride2 * (y >> 2); const uint8_t *vp = src3 + srcStride3 * (y >> 2); uint8_t *d = dst + dstStride * y; for (x = 0; x < w; x++) { const int x2 = x << 2; d[8 * x + 0] = yp[x2]; d[8 * x + 1] = up[x]; d[8 * x + 2] = yp[x2 + 1]; d[8 * x + 3] = vp[x]; d[8 * x + 4] = yp[x2 + 2]; d[8 * x + 5] = up[x]; d[8 * x + 6] = yp[x2 + 3]; d[8 * x + 7] = vp[x]; } } } static void extract_even_c(const uint8_t *src, uint8_t *dst, int count) { dst += count; src += count * 2; count = -count; while (count < 0) { dst[count] = src[2 * count]; count++; } } static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1, int count) { dst0 += count; dst1 += count; src += count * 4; count = -count; while (count < 0) { dst0[count] = src[4 * count + 0]; dst1[count] = src[4 * count + 2]; count++; } } static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1, uint8_t *dst0, uint8_t *dst1, int count) { dst0 += count; dst1 += count; src0 += count * 4; src1 += count * 4; count = -count; while (count < 0) { dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1; dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1; count++; } } static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1, int count) { dst0 += count; dst1 += count; src += count * 4; count = -count; src++; while (count < 0) { dst0[count] = src[4 * count + 0]; dst1[count] = src[4 * count + 2]; count++; } } static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1, uint8_t *dst0, uint8_t *dst1, int count) { dst0 += count; dst1 += count; src0 += count * 4; src1 += count * 4; count = -count; src0++; src1++; while (count < 0) { dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1; dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1; count++; } } static void yuyvtoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride) { int y; const int chromWidth = -((-width) >> 1); for (y = 0; y < height; y++) { extract_even_c(src, ydst, width); if (y & 1) { extract_odd2avg_c(src - srcStride, src, udst, vdst, chromWidth); udst += chromStride; vdst += chromStride; } src += srcStride; ydst += lumStride; } } static void yuyvtoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride) { int y; const int chromWidth = -((-width) >> 1); for (y = 0; y < height; y++) { extract_even_c(src, ydst, width); extract_odd2_c(src, udst, vdst, chromWidth); src += srcStride; ydst += lumStride; udst += chromStride; vdst += chromStride; } } static void uyvytoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride) { int y; const int chromWidth = -((-width) >> 1); for (y = 0; y < height; y++) { extract_even_c(src + 1, ydst, width); if (y & 1) { extract_even2avg_c(src - srcStride, src, udst, vdst, chromWidth); udst += chromStride; vdst += chromStride; } src += srcStride; ydst += lumStride; } } static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride) { int y; const int chromWidth = -((-width) >> 1); for (y = 0; y < height; y++) { extract_even_c(src + 1, ydst, width); extract_even2_c(src, udst, vdst, chromWidth); src += srcStride; ydst += lumStride; udst += chromStride; vdst += chromStride; } } static av_cold void rgb2rgb_init_c(void) { rgb15to16 = rgb15to16_c; rgb15tobgr24 = rgb15tobgr24_c; rgb15to32 = rgb15to32_c; rgb16tobgr24 = rgb16tobgr24_c; rgb16to32 = rgb16to32_c; rgb16to15 = rgb16to15_c; rgb24tobgr16 = rgb24tobgr16_c; rgb24tobgr15 = rgb24tobgr15_c; rgb24tobgr32 = rgb24tobgr32_c; rgb32to16 = rgb32to16_c; rgb32to15 = rgb32to15_c; rgb32tobgr24 = rgb32tobgr24_c; rgb24to15 = rgb24to15_c; rgb24to16 = rgb24to16_c; rgb24tobgr24 = rgb24tobgr24_c; shuffle_bytes_2103 = shuffle_bytes_2103_c; rgb32tobgr16 = rgb32tobgr16_c; rgb32tobgr15 = rgb32tobgr15_c; yv12toyuy2 = yv12toyuy2_c; yv12touyvy = yv12touyvy_c; yuv422ptoyuy2 = yuv422ptoyuy2_c; yuv422ptouyvy = yuv422ptouyvy_c; yuy2toyv12 = yuy2toyv12_c; planar2x = planar2x_c; rgb24toyv12 = rgb24toyv12_c; interleaveBytes = interleaveBytes_c; deinterleaveBytes = deinterleaveBytes_c; vu9_to_vu12 = vu9_to_vu12_c; yvu9_to_yuy2 = yvu9_to_yuy2_c; uyvytoyuv420 = uyvytoyuv420_c; uyvytoyuv422 = uyvytoyuv422_c; yuyvtoyuv420 = yuyvtoyuv420_c; yuyvtoyuv422 = yuyvtoyuv422_c; }