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-rw-r--r--ffmpeg1/libswscale/rgb2rgb_template.c927
1 files changed, 927 insertions, 0 deletions
diff --git a/ffmpeg1/libswscale/rgb2rgb_template.c b/ffmpeg1/libswscale/rgb2rgb_template.c
new file mode 100644
index 0000000..8753594
--- /dev/null
+++ b/ffmpeg1/libswscale/rgb2rgb_template.c
@@ -0,0 +1,927 @@
+/*
+ * 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>
+
+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 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) + (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 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;
+
+ 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 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 inline 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;
+ 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 17:36:59 +0000