| /* |
| * 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 FFmpeg. |
| * |
| * FFmpeg 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. |
| * |
| * FFmpeg 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 FFmpeg; 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); |
| } |
| } |
| |
| 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&0x001F)<<3) | ((bgr&0x001F)>> 2); |
| *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7); |
| *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12); |
| } |
| } |
| |
| 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&0x001F)<<3) | ((bgr&0x001F)>> 2); |
| *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9); |
| *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13); |
| } |
| } |
| |
| 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) | ((bgr&0x7C00)>>12); |
| *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7); |
| *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); |
| #else |
| *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); |
| *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7); |
| *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12); |
| *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) | ((bgr&0xF800)>>13); |
| *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9); |
| *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); |
| #else |
| *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); |
| *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9); |
| *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13); |
| *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 unsigned v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00; |
| v &= 0xff00ff; |
| *(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16); |
| } |
| } |
| |
| static inline void shuffle_bytes_0321_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 unsigned v = *(const uint32_t *)&s[idx], g = v & 0x00ff00ff; |
| v &= 0xff00ff00; |
| *(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) + ((unsigned) vc[0] << 24); |
| uint64_t l = yc[2] + (uc[1] << 8) + |
| (yc[3] << 16) + ((unsigned) 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) + ((unsigned) yc[1] << 24); |
| uint64_t l = uc[1] + (yc[2] << 8) + |
| (vc[1] << 16) + ((unsigned) 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 ff_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, int32_t *rgb2yuv) |
| { |
| int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX]; |
| int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX]; |
| int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX]; |
| 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; |
| |
| if (y+1 == height) |
| break; |
| |
| 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 = AV_CEIL_RSHIFT(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 = AV_CEIL_RSHIFT(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 = AV_CEIL_RSHIFT(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 = AV_CEIL_RSHIFT(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; |
| #if HAVE_BIGENDIAN |
| shuffle_bytes_0321 = shuffle_bytes_2103_c; |
| shuffle_bytes_2103 = shuffle_bytes_0321_c; |
| #else |
| shuffle_bytes_0321 = shuffle_bytes_0321_c; |
| shuffle_bytes_2103 = shuffle_bytes_2103_c; |
| #endif |
| rgb32tobgr16 = rgb32tobgr16_c; |
| rgb32tobgr15 = rgb32tobgr15_c; |
| yv12toyuy2 = yv12toyuy2_c; |
| yv12touyvy = yv12touyvy_c; |
| yuv422ptoyuy2 = yuv422ptoyuy2_c; |
| yuv422ptouyvy = yuv422ptouyvy_c; |
| yuy2toyv12 = yuy2toyv12_c; |
| planar2x = planar2x_c; |
| ff_rgb24toyv12 = ff_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; |
| } |
