making act segmenter

1 files changed, 1354 insertions, 0 deletions

diff --git a/ffmpeg/libswscale/input.c b/ffmpeg/libswscale/input.c
new file mode 100644
index 0000000..2def2de
--- /dev/null
+++ b/ffmpeg/libswscale/input.c
@@ -0,0 +1,1354 @@
+/*
+ * Copyright (C) 2001-2012 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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 <assert.h>
+#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libavutil/avutil.h"
+#include "libavutil/bswap.h"
+#include "libavutil/cpu.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/avassert.h"
+#include "config.h"
+#include "rgb2rgb.h"
+#include "swscale.h"
+#include "swscale_internal.h"
+
+#define RGB2YUV_SHIFT 15
+#define BY  ((int)(0.114 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define BV (-(int)(0.081 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define BU  ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define GY  ((int)(0.587 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define GV (-(int)(0.419 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define GU (-(int)(0.331 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define RY  ((int)(0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define RV  ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define RU (-(int)(0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
+
+#define input_pixel(pos) (isBE(origin) ? AV_RB16(pos) : AV_RL16(pos))
+
+#define r ((origin == AV_PIX_FMT_BGR48BE || origin == AV_PIX_FMT_BGR48LE) ? b_r : r_b)
+#define b ((origin == AV_PIX_FMT_BGR48BE || origin == AV_PIX_FMT_BGR48LE) ? r_b : b_r)
+
+static av_always_inline void
+rgb64ToY_c_template(uint16_t *dst, const uint16_t *src, int width,
+                    enum AVPixelFormat origin)
+{
+    int i;
+    for (i = 0; i < width; i++) {
+        unsigned int r_b = input_pixel(&src[i*4+0]);
+        unsigned int   g = input_pixel(&src[i*4+1]);
+        unsigned int b_r = input_pixel(&src[i*4+2]);
+
+        dst[i] = (RY*r + GY*g + BY*b + (0x2001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
+    }
+}
+
+static av_always_inline void
+rgb64ToUV_c_template(uint16_t *dstU, uint16_t *dstV,
+                    const uint16_t *src1, const uint16_t *src2,
+                    int width, enum AVPixelFormat origin)
+{
+    int i;
+    av_assert1(src1==src2);
+    for (i = 0; i < width; i++) {
+        int r_b = input_pixel(&src1[i*4+0]);
+        int   g = input_pixel(&src1[i*4+1]);
+        int b_r = input_pixel(&src1[i*4+2]);
+
+        dstU[i] = (RU*r + GU*g + BU*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
+        dstV[i] = (RV*r + GV*g + BV*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
+    }
+}
+
+static av_always_inline void
+rgb64ToUV_half_c_template(uint16_t *dstU, uint16_t *dstV,
+                          const uint16_t *src1, const uint16_t *src2,
+                          int width, enum AVPixelFormat origin)
+{
+    int i;
+    av_assert1(src1==src2);
+    for (i = 0; i < width; i++) {
+        int r_b = (input_pixel(&src1[8 * i + 0]) + input_pixel(&src1[8 * i + 4]) + 1) >> 1;
+        int   g = (input_pixel(&src1[8 * i + 1]) + input_pixel(&src1[8 * i + 5]) + 1) >> 1;
+        int b_r = (input_pixel(&src1[8 * i + 2]) + input_pixel(&src1[8 * i + 6]) + 1) >> 1;
+
+        dstU[i]= (RU*r + GU*g + BU*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
+        dstV[i]= (RV*r + GV*g + BV*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
+    }
+}
+
+#define rgb64funcs(pattern, BE_LE, origin) \
+static void pattern ## 64 ## BE_LE ## ToY_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused0, const uint8_t *unused1,\
+                                    int width, uint32_t *unused) \
+{ \
+    const uint16_t *src = (const uint16_t *) _src; \
+    uint16_t *dst = (uint16_t *) _dst; \
+    rgb64ToY_c_template(dst, src, width, origin); \
+} \
+ \
+static void pattern ## 64 ## BE_LE ## ToUV_c(uint8_t *_dstU, uint8_t *_dstV, \
+                                    const uint8_t *unused0, const uint8_t *_src1, const uint8_t *_src2, \
+                                    int width, uint32_t *unused) \
+{ \
+    const uint16_t *src1 = (const uint16_t *) _src1, \
+                   *src2 = (const uint16_t *) _src2; \
+    uint16_t *dstU = (uint16_t *) _dstU, *dstV = (uint16_t *) _dstV; \
+    rgb64ToUV_c_template(dstU, dstV, src1, src2, width, origin); \
+} \
+ \
+static void pattern ## 64 ## BE_LE ## ToUV_half_c(uint8_t *_dstU, uint8_t *_dstV, \
+                                    const uint8_t *unused0, const uint8_t *_src1, const uint8_t *_src2, \
+                                    int width, uint32_t *unused) \
+{ \
+    const uint16_t *src1 = (const uint16_t *) _src1, \
+                   *src2 = (const uint16_t *) _src2; \
+    uint16_t *dstU = (uint16_t *) _dstU, *dstV = (uint16_t *) _dstV; \
+    rgb64ToUV_half_c_template(dstU, dstV, src1, src2, width, origin); \
+}
+
+rgb64funcs(rgb, LE, AV_PIX_FMT_RGBA64LE)
+rgb64funcs(rgb, BE, AV_PIX_FMT_RGBA64BE)
+
+static av_always_inline void rgb48ToY_c_template(uint16_t *dst,
+                                                 const uint16_t *src, int width,
+                                                 enum AVPixelFormat origin)
+{
+    int i;
+    for (i = 0; i < width; i++) {
+        unsigned int r_b = input_pixel(&src[i * 3 + 0]);
+        unsigned int g   = input_pixel(&src[i * 3 + 1]);
+        unsigned int b_r = input_pixel(&src[i * 3 + 2]);
+
+        dst[i] = (RY * r + GY * g + BY * b + (0x2001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
+    }
+}
+
+static av_always_inline void rgb48ToUV_c_template(uint16_t *dstU,
+                                                  uint16_t *dstV,
+                                                  const uint16_t *src1,
+                                                  const uint16_t *src2,
+                                                  int width,
+                                                  enum AVPixelFormat origin)
+{
+    int i;
+    av_assert1(src1 == src2);
+    for (i = 0; i < width; i++) {
+        int r_b = input_pixel(&src1[i * 3 + 0]);
+        int g   = input_pixel(&src1[i * 3 + 1]);
+        int b_r = input_pixel(&src1[i * 3 + 2]);
+
+        dstU[i] = (RU * r + GU * g + BU * b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
+        dstV[i] = (RV * r + GV * g + BV * b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
+    }
+}
+
+static av_always_inline void rgb48ToUV_half_c_template(uint16_t *dstU,
+                                                       uint16_t *dstV,
+                                                       const uint16_t *src1,
+                                                       const uint16_t *src2,
+                                                       int width,
+                                                       enum AVPixelFormat origin)
+{
+    int i;
+    av_assert1(src1 == src2);
+    for (i = 0; i < width; i++) {
+        int r_b = (input_pixel(&src1[6 * i + 0]) +
+                   input_pixel(&src1[6 * i + 3]) + 1) >> 1;
+        int g   = (input_pixel(&src1[6 * i + 1]) +
+                   input_pixel(&src1[6 * i + 4]) + 1) >> 1;
+        int b_r = (input_pixel(&src1[6 * i + 2]) +
+                   input_pixel(&src1[6 * i + 5]) + 1) >> 1;
+
+        dstU[i] = (RU * r + GU * g + BU * b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
+        dstV[i] = (RV * r + GV * g + BV * b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
+    }
+}
+
+#undef r
+#undef b
+#undef input_pixel
+
+#define rgb48funcs(pattern, BE_LE, origin)                              \
+static void pattern ## 48 ## BE_LE ## ToY_c(uint8_t *_dst,              \
+                                            const uint8_t *_src,        \
+                                            const uint8_t *unused0, const uint8_t *unused1,\
+                                            int width,                  \
+                                            uint32_t *unused)           \
+{                                                                       \
+    const uint16_t *src = (const uint16_t *)_src;                       \
+    uint16_t *dst       = (uint16_t *)_dst;                             \
+    rgb48ToY_c_template(dst, src, width, origin);                       \
+}                                                                       \
+                                                                        \
+static void pattern ## 48 ## BE_LE ## ToUV_c(uint8_t *_dstU,            \
+                                             uint8_t *_dstV,            \
+                                             const uint8_t *unused0,    \
+                                             const uint8_t *_src1,      \
+                                             const uint8_t *_src2,      \
+                                             int width,                 \
+                                             uint32_t *unused)          \
+{                                                                       \
+    const uint16_t *src1 = (const uint16_t *)_src1,                     \
+                   *src2 = (const uint16_t *)_src2;                     \
+    uint16_t *dstU = (uint16_t *)_dstU,                                 \
+             *dstV = (uint16_t *)_dstV;                                 \
+    rgb48ToUV_c_template(dstU, dstV, src1, src2, width, origin);        \
+}                                                                       \
+                                                                        \
+static void pattern ## 48 ## BE_LE ## ToUV_half_c(uint8_t *_dstU,       \
+                                                  uint8_t *_dstV,       \
+                                                  const uint8_t *unused0,    \
+                                                  const uint8_t *_src1, \
+                                                  const uint8_t *_src2, \
+                                                  int width,            \
+                                                  uint32_t *unused)     \
+{                                                                       \
+    const uint16_t *src1 = (const uint16_t *)_src1,                     \
+                   *src2 = (const uint16_t *)_src2;                     \
+    uint16_t *dstU = (uint16_t *)_dstU,                                 \
+             *dstV = (uint16_t *)_dstV;                                 \
+    rgb48ToUV_half_c_template(dstU, dstV, src1, src2, width, origin);   \
+}
+
+rgb48funcs(rgb, LE, AV_PIX_FMT_RGB48LE)
+rgb48funcs(rgb, BE, AV_PIX_FMT_RGB48BE)
+rgb48funcs(bgr, LE, AV_PIX_FMT_BGR48LE)
+rgb48funcs(bgr, BE, AV_PIX_FMT_BGR48BE)
+
+#define input_pixel(i) ((origin == AV_PIX_FMT_RGBA ||                      \
+                         origin == AV_PIX_FMT_BGRA ||                      \
+                         origin == AV_PIX_FMT_ARGB ||                      \
+                         origin == AV_PIX_FMT_ABGR)                        \
+                        ? AV_RN32A(&src[(i) * 4])                       \
+                        : (isBE(origin) ? AV_RB16(&src[(i) * 2])        \
+                                        : AV_RL16(&src[(i) * 2])))
+
+static av_always_inline void rgb16_32ToY_c_template(int16_t *dst,
+                                                    const uint8_t *src,
+                                                    int width,
+                                                    enum AVPixelFormat origin,
+                                                    int shr, int shg,
+                                                    int shb, int shp,
+                                                    int maskr, int maskg,
+                                                    int maskb, int rsh,
+                                                    int gsh, int bsh, int S)
+{
+    const int ry       = RY << rsh, gy = GY << gsh, by = BY << bsh;
+    const unsigned rnd = (32<<((S)-1)) + (1<<(S-7));
+    int i;
+
+    for (i = 0; i < width; i++) {
+        int px = input_pixel(i) >> shp;
+        int b  = (px & maskb) >> shb;
+        int g  = (px & maskg) >> shg;
+        int r  = (px & maskr) >> shr;
+
+        dst[i] = (ry * r + gy * g + by * b + rnd) >> ((S)-6);
+    }
+}
+
+static av_always_inline void rgb16_32ToUV_c_template(int16_t *dstU,
+                                                     int16_t *dstV,
+                                                     const uint8_t *src,
+                                                     int width,
+                                                     enum AVPixelFormat origin,
+                                                     int shr, int shg,
+                                                     int shb, int shp,
+                                                     int maskr, int maskg,
+                                                     int maskb, int rsh,
+                                                     int gsh, int bsh, int S)
+{
+    const int ru       = RU << rsh, gu = GU << gsh, bu = BU << bsh,
+              rv       = RV << rsh, gv = GV << gsh, bv = BV << bsh;
+    const unsigned rnd = (256u<<((S)-1)) + (1<<(S-7));
+    int i;
+
+    for (i = 0; i < width; i++) {
+        int px = input_pixel(i) >> shp;
+        int b  = (px & maskb)   >> shb;
+        int g  = (px & maskg)   >> shg;
+        int r  = (px & maskr)   >> shr;
+
+        dstU[i] = (ru * r + gu * g + bu * b + rnd) >> ((S)-6);
+        dstV[i] = (rv * r + gv * g + bv * b + rnd) >> ((S)-6);
+    }
+}
+
+static av_always_inline void rgb16_32ToUV_half_c_template(int16_t *dstU,
+                                                          int16_t *dstV,
+                                                          const uint8_t *src,
+                                                          int width,
+                                                          enum AVPixelFormat origin,
+                                                          int shr, int shg,
+                                                          int shb, int shp,
+                                                          int maskr, int maskg,
+                                                          int maskb, int rsh,
+                                                          int gsh, int bsh, int S)
+{
+    const int ru       = RU << rsh, gu = GU << gsh, bu = BU << bsh,
+              rv       = RV << rsh, gv = GV << gsh, bv = BV << bsh,
+              maskgx   = ~(maskr | maskb);
+    const unsigned rnd = (256U<<(S)) + (1<<(S-6));
+    int i;
+
+    maskr |= maskr << 1;
+    maskb |= maskb << 1;
+    maskg |= maskg << 1;
+    for (i = 0; i < width; i++) {
+        int px0 = input_pixel(2 * i + 0) >> shp;
+        int px1 = input_pixel(2 * i + 1) >> shp;
+        int b, r, g = (px0 & maskgx) + (px1 & maskgx);
+        int rb = px0 + px1 - g;
+
+        b = (rb & maskb) >> shb;
+        if (shp ||
+            origin == AV_PIX_FMT_BGR565LE || origin == AV_PIX_FMT_BGR565BE ||
+            origin == AV_PIX_FMT_RGB565LE || origin == AV_PIX_FMT_RGB565BE) {
+            g >>= shg;
+        } else {
+            g = (g & maskg) >> shg;
+        }
+        r = (rb & maskr) >> shr;
+
+        dstU[i] = (ru * r + gu * g + bu * b + (unsigned)rnd) >> ((S)-6+1);
+        dstV[i] = (rv * r + gv * g + bv * b + (unsigned)rnd) >> ((S)-6+1);
+    }
+}
+
+#undef input_pixel
+
+#define rgb16_32_wrapper(fmt, name, shr, shg, shb, shp, maskr,          \
+                         maskg, maskb, rsh, gsh, bsh, S)                \
+static void name ## ToY_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2,            \
+                          int width, uint32_t *unused)                  \
+{                                                                       \
+    rgb16_32ToY_c_template((int16_t*)dst, src, width, fmt, shr, shg, shb, shp,    \
+                           maskr, maskg, maskb, rsh, gsh, bsh, S);      \
+}                                                                       \
+                                                                        \
+static void name ## ToUV_c(uint8_t *dstU, uint8_t *dstV,                \
+                           const uint8_t *unused0, const uint8_t *src, const uint8_t *dummy,    \
+                           int width, uint32_t *unused)                 \
+{                                                                       \
+    rgb16_32ToUV_c_template((int16_t*)dstU, (int16_t*)dstV, src, width, fmt,                \
+                            shr, shg, shb, shp,                         \
+                            maskr, maskg, maskb, rsh, gsh, bsh, S);     \
+}                                                                       \
+                                                                        \
+static void name ## ToUV_half_c(uint8_t *dstU, uint8_t *dstV,           \
+                                const uint8_t *unused0, const uint8_t *src,                     \
+                                const uint8_t *dummy,                   \
+                                int width, uint32_t *unused)            \
+{                                                                       \
+    rgb16_32ToUV_half_c_template((int16_t*)dstU, (int16_t*)dstV, src, width, fmt,           \
+                                 shr, shg, shb, shp,                    \
+                                 maskr, maskg, maskb,                   \
+                                 rsh, gsh, bsh, S);                     \
+}
+
+rgb16_32_wrapper(AV_PIX_FMT_BGR32,    bgr32,  16, 0,  0, 0, 0xFF0000, 0xFF00,   0x00FF,  8, 0,  8, RGB2YUV_SHIFT + 8)
+rgb16_32_wrapper(AV_PIX_FMT_BGR32_1,  bgr321, 16, 0,  0, 8, 0xFF0000, 0xFF00,   0x00FF,  8, 0,  8, RGB2YUV_SHIFT + 8)
+rgb16_32_wrapper(AV_PIX_FMT_RGB32,    rgb32,   0, 0, 16, 0,   0x00FF, 0xFF00, 0xFF0000,  8, 0,  8, RGB2YUV_SHIFT + 8)
+rgb16_32_wrapper(AV_PIX_FMT_RGB32_1,  rgb321,  0, 0, 16, 8,   0x00FF, 0xFF00, 0xFF0000,  8, 0,  8, RGB2YUV_SHIFT + 8)
+rgb16_32_wrapper(AV_PIX_FMT_BGR565LE, bgr16le, 0, 0,  0, 0,   0x001F, 0x07E0,   0xF800, 11, 5,  0, RGB2YUV_SHIFT + 8)
+rgb16_32_wrapper(AV_PIX_FMT_BGR555LE, bgr15le, 0, 0,  0, 0,   0x001F, 0x03E0,   0x7C00, 10, 5,  0, RGB2YUV_SHIFT + 7)
+rgb16_32_wrapper(AV_PIX_FMT_BGR444LE, bgr12le, 0, 0,  0, 0,   0x000F, 0x00F0,   0x0F00,  8, 4,  0, RGB2YUV_SHIFT + 4)
+rgb16_32_wrapper(AV_PIX_FMT_RGB565LE, rgb16le, 0, 0,  0, 0,   0xF800, 0x07E0,   0x001F,  0, 5, 11, RGB2YUV_SHIFT + 8)
+rgb16_32_wrapper(AV_PIX_FMT_RGB555LE, rgb15le, 0, 0,  0, 0,   0x7C00, 0x03E0,   0x001F,  0, 5, 10, RGB2YUV_SHIFT + 7)
+rgb16_32_wrapper(AV_PIX_FMT_RGB444LE, rgb12le, 0, 0,  0, 0,   0x0F00, 0x00F0,   0x000F,  0, 4,  8, RGB2YUV_SHIFT + 4)
+rgb16_32_wrapper(AV_PIX_FMT_BGR565BE, bgr16be, 0, 0,  0, 0,   0x001F, 0x07E0,   0xF800, 11, 5,  0, RGB2YUV_SHIFT + 8)
+rgb16_32_wrapper(AV_PIX_FMT_BGR555BE, bgr15be, 0, 0,  0, 0,   0x001F, 0x03E0,   0x7C00, 10, 5,  0, RGB2YUV_SHIFT + 7)
+rgb16_32_wrapper(AV_PIX_FMT_BGR444BE, bgr12be, 0, 0,  0, 0,   0x000F, 0x00F0,   0x0F00,  8, 4,  0, RGB2YUV_SHIFT + 4)
+rgb16_32_wrapper(AV_PIX_FMT_RGB565BE, rgb16be, 0, 0,  0, 0,   0xF800, 0x07E0,   0x001F,  0, 5, 11, RGB2YUV_SHIFT + 8)
+rgb16_32_wrapper(AV_PIX_FMT_RGB555BE, rgb15be, 0, 0,  0, 0,   0x7C00, 0x03E0,   0x001F,  0, 5, 10, RGB2YUV_SHIFT + 7)
+rgb16_32_wrapper(AV_PIX_FMT_RGB444BE, rgb12be, 0, 0,  0, 0,   0x0F00, 0x00F0,   0x000F,  0, 4,  8, RGB2YUV_SHIFT + 4)
+
+static void gbr24pToUV_half_c(uint8_t *_dstU, uint8_t *_dstV,
+                         const uint8_t *gsrc, const uint8_t *bsrc, const uint8_t *rsrc,
+                         int width, uint32_t *unused)
+{
+    uint16_t *dstU = (uint16_t *)_dstU;
+    uint16_t *dstV = (uint16_t *)_dstV;
+    int i;
+    for (i = 0; i < width; i++) {
+        unsigned int g   = gsrc[2*i] + gsrc[2*i+1];
+        unsigned int b   = bsrc[2*i] + bsrc[2*i+1];
+        unsigned int r   = rsrc[2*i] + rsrc[2*i+1];
+
+        dstU[i] = (RU*r + GU*g + BU*b + (0x4001<<(RGB2YUV_SHIFT-6))) >> (RGB2YUV_SHIFT-6+1);
+        dstV[i] = (RV*r + GV*g + BV*b + (0x4001<<(RGB2YUV_SHIFT-6))) >> (RGB2YUV_SHIFT-6+1);
+    }
+}
+
+static void rgba64ToA_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused1,
+                        const uint8_t *unused2, int width, uint32_t *unused)
+{
+    int16_t *dst = (int16_t *)_dst;
+    const uint16_t *src = (const uint16_t *)_src;
+    int i;
+    for (i = 0; i < width; i++)
+        dst[i] = src[4 * i + 3];
+}
+
+static void abgrToA_c(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused)
+{
+    int16_t *dst = (int16_t *)_dst;
+    int i;
+    for (i=0; i<width; i++) {
+        dst[i]= src[4*i]<<6;
+    }
+}
+
+static void rgbaToA_c(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused)
+{
+    int16_t *dst = (int16_t *)_dst;
+    int i;
+    for (i=0; i<width; i++) {
+        dst[i]= src[4*i+3]<<6;
+    }
+}
+
+static void palToA_c(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *pal)
+{
+    int16_t *dst = (int16_t *)_dst;
+    int i;
+    for (i=0; i<width; i++) {
+        int d= src[i];
+
+        dst[i]= (pal[d] >> 24)<<6;
+    }
+}
+
+static void palToY_c(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *pal)
+{
+    int16_t *dst = (int16_t *)_dst;
+    int i;
+    for (i = 0; i < width; i++) {
+        int d = src[i];
+
+        dst[i] = (pal[d] & 0xFF)<<6;
+    }
+}
+
+static void palToUV_c(uint8_t *_dstU, uint8_t *_dstV,
+                           const uint8_t *unused0, const uint8_t *src1, const uint8_t *src2,
+                      int width, uint32_t *pal)
+{
+    uint16_t *dstU = (uint16_t *)_dstU;
+    int16_t *dstV = (int16_t *)_dstV;
+    int i;
+    av_assert1(src1 == src2);
+    for (i = 0; i < width; i++) {
+        int p = pal[src1[i]];
+
+        dstU[i] = (uint8_t)(p>> 8)<<6;
+        dstV[i] = (uint8_t)(p>>16)<<6;
+    }
+}
+
+static void monowhite2Y_c(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2,  int width, uint32_t *unused)
+{
+    int16_t *dst = (int16_t *)_dst;
+    int i, j;
+    width = (width + 7) >> 3;
+    for (i = 0; i < width; i++) {
+        int d = ~src[i];
+        for (j = 0; j < 8; j++)
+            dst[8*i+j]= ((d>>(7-j))&1) * 16383;
+    }
+    if(width&7){
+        int d= ~src[i];
+        for (j = 0; j < (width&7); j++)
+            dst[8*i+j]= ((d>>(7-j))&1) * 16383;
+    }
+}
+
+static void monoblack2Y_c(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2,  int width, uint32_t *unused)
+{
+    int16_t *dst = (int16_t *)_dst;
+    int i, j;
+    width = (width + 7) >> 3;
+    for (i = 0; i < width; i++) {
+        int d = src[i];
+        for (j = 0; j < 8; j++)
+            dst[8*i+j]= ((d>>(7-j))&1) * 16383;
+    }
+    if(width&7){
+        int d = src[i];
+        for (j = 0; j < (width&7); j++)
+            dst[8*i+j] = ((d>>(7-j))&1) * 16383;
+    }
+}
+
+static void yuy2ToY_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2,  int width,
+                      uint32_t *unused)
+{
+    int i;
+    for (i = 0; i < width; i++)
+        dst[i] = src[2 * i];
+}
+
+static void yuy2ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused0, const uint8_t *src1,
+                       const uint8_t *src2, int width, uint32_t *unused)
+{
+    int i;
+    for (i = 0; i < width; i++) {
+        dstU[i] = src1[4 * i + 1];
+        dstV[i] = src1[4 * i + 3];
+    }
+    av_assert1(src1 == src2);
+}
+
+static void bswap16Y_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused1, const uint8_t *unused2,  int width,
+                       uint32_t *unused)
+{
+    int i;
+    const uint16_t *src = (const uint16_t *)_src;
+    uint16_t *dst       = (uint16_t *)_dst;
+    for (i = 0; i < width; i++)
+        dst[i] = av_bswap16(src[i]);
+}
+
+static void bswap16UV_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused0, const uint8_t *_src1,
+                        const uint8_t *_src2, int width, uint32_t *unused)
+{
+    int i;
+    const uint16_t *src1 = (const uint16_t *)_src1,
+    *src2                = (const uint16_t *)_src2;
+    uint16_t *dstU       = (uint16_t *)_dstU, *dstV = (uint16_t *)_dstV;
+    for (i = 0; i < width; i++) {
+        dstU[i] = av_bswap16(src1[i]);
+        dstV[i] = av_bswap16(src2[i]);
+    }
+}
+
+/* This is almost identical to the previous, end exists only because
+ * yuy2ToY/UV)(dst, src + 1, ...) would have 100% unaligned accesses. */
+static void uyvyToY_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2,  int width,
+                      uint32_t *unused)
+{
+    int i;
+    for (i = 0; i < width; i++)
+        dst[i] = src[2 * i + 1];
+}
+
+static void uyvyToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused0, const uint8_t *src1,
+                       const uint8_t *src2, int width, uint32_t *unused)
+{
+    int i;
+    for (i = 0; i < width; i++) {
+        dstU[i] = src1[4 * i + 0];
+        dstV[i] = src1[4 * i + 2];
+    }
+    av_assert1(src1 == src2);
+}
+
+static av_always_inline void nvXXtoUV_c(uint8_t *dst1, uint8_t *dst2,
+                                        const uint8_t *src, int width)
+{
+    int i;
+    for (i = 0; i < width; i++) {
+        dst1[i] = src[2 * i + 0];
+        dst2[i] = src[2 * i + 1];
+    }
+}
+
+static void nv12ToUV_c(uint8_t *dstU, uint8_t *dstV,
+                       const uint8_t *unused0, const uint8_t *src1, const uint8_t *src2,
+                       int width, uint32_t *unused)
+{
+    nvXXtoUV_c(dstU, dstV, src1, width);
+}
+
+static void nv21ToUV_c(uint8_t *dstU, uint8_t *dstV,
+                       const uint8_t *unused0, const uint8_t *src1, const uint8_t *src2,
+                       int width, uint32_t *unused)
+{
+    nvXXtoUV_c(dstV, dstU, src1, width);
+}
+
+#define input_pixel(pos) (isBE(origin) ? AV_RB16(pos) : AV_RL16(pos))
+
+static void bgr24ToY_c(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2,
+                       int width, uint32_t *unused)
+{
+    int16_t *dst = (int16_t *)_dst;
+    int i;
+    for (i = 0; i < width; i++) {
+        int b = src[i * 3 + 0];
+        int g = src[i * 3 + 1];
+        int r = src[i * 3 + 2];
+
+        dst[i] = ((RY*r + GY*g + BY*b + (32<<(RGB2YUV_SHIFT-1)) + (1<<(RGB2YUV_SHIFT-7)))>>(RGB2YUV_SHIFT-6));
+    }
+}
+
+static void bgr24ToUV_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused0, const uint8_t *src1,
+                        const uint8_t *src2, int width, uint32_t *unused)
+{
+    int16_t *dstU = (int16_t *)_dstU;
+    int16_t *dstV = (int16_t *)_dstV;
+    int i;
+    for (i = 0; i < width; i++) {
+        int b = src1[3 * i + 0];
+        int g = src1[3 * i + 1];
+        int r = src1[3 * i + 2];
+
+        dstU[i] = (RU*r + GU*g + BU*b + (256<<(RGB2YUV_SHIFT-1)) + (1<<(RGB2YUV_SHIFT-7)))>>(RGB2YUV_SHIFT-6);
+        dstV[i] = (RV*r + GV*g + BV*b + (256<<(RGB2YUV_SHIFT-1)) + (1<<(RGB2YUV_SHIFT-7)))>>(RGB2YUV_SHIFT-6);
+    }
+    av_assert1(src1 == src2);
+}
+
+static void bgr24ToUV_half_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused0, const uint8_t *src1,
+                             const uint8_t *src2, int width, uint32_t *unused)
+{
+    int16_t *dstU = (int16_t *)_dstU;
+    int16_t *dstV = (int16_t *)_dstV;
+    int i;
+    for (i = 0; i < width; i++) {
+        int b = src1[6 * i + 0] + src1[6 * i + 3];
+        int g = src1[6 * i + 1] + src1[6 * i + 4];
+        int r = src1[6 * i + 2] + src1[6 * i + 5];
+
+        dstU[i] = (RU*r + GU*g + BU*b + (256<<RGB2YUV_SHIFT) + (1<<(RGB2YUV_SHIFT-6)))>>(RGB2YUV_SHIFT-5);
+        dstV[i] = (RV*r + GV*g + BV*b + (256<<RGB2YUV_SHIFT) + (1<<(RGB2YUV_SHIFT-6)))>>(RGB2YUV_SHIFT-5);
+    }
+    av_assert1(src1 == src2);
+}
+
+static void rgb24ToY_c(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width,
+                       uint32_t *unused)
+{
+    int16_t *dst = (int16_t *)_dst;
+    int i;
+    for (i = 0; i < width; i++) {
+        int r = src[i * 3 + 0];
+        int g = src[i * 3 + 1];
+        int b = src[i * 3 + 2];
+
+        dst[i] = ((RY*r + GY*g + BY*b + (32<<(RGB2YUV_SHIFT-1)) + (1<<(RGB2YUV_SHIFT-7)))>>(RGB2YUV_SHIFT-6));
+    }
+}
+
+static void rgb24ToUV_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused0, const uint8_t *src1,
+                        const uint8_t *src2, int width, uint32_t *unused)
+{
+    int16_t *dstU = (int16_t *)_dstU;
+    int16_t *dstV = (int16_t *)_dstV;
+    int i;
+    av_assert1(src1 == src2);
+    for (i = 0; i < width; i++) {
+        int r = src1[3 * i + 0];
+        int g = src1[3 * i + 1];
+        int b = src1[3 * i + 2];
+
+        dstU[i] = (RU*r + GU*g + BU*b + (256<<(RGB2YUV_SHIFT-1)) + (1<<(RGB2YUV_SHIFT-7)))>>(RGB2YUV_SHIFT-6);
+        dstV[i] = (RV*r + GV*g + BV*b + (256<<(RGB2YUV_SHIFT-1)) + (1<<(RGB2YUV_SHIFT-7)))>>(RGB2YUV_SHIFT-6);
+    }
+}
+
+static void rgb24ToUV_half_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused0, const uint8_t *src1,
+                             const uint8_t *src2, int width, uint32_t *unused)
+{
+    int16_t *dstU = (int16_t *)_dstU;
+    int16_t *dstV = (int16_t *)_dstV;
+    int i;
+    av_assert1(src1 == src2);
+    for (i = 0; i < width; i++) {
+        int r = src1[6 * i + 0] + src1[6 * i + 3];
+        int g = src1[6 * i + 1] + src1[6 * i + 4];
+        int b = src1[6 * i + 2] + src1[6 * i + 5];
+
+        dstU[i] = (RU*r + GU*g + BU*b + (256<<RGB2YUV_SHIFT) + (1<<(RGB2YUV_SHIFT-6)))>>(RGB2YUV_SHIFT-5);
+        dstV[i] = (RV*r + GV*g + BV*b + (256<<RGB2YUV_SHIFT) + (1<<(RGB2YUV_SHIFT-6)))>>(RGB2YUV_SHIFT-5);
+    }
+}
+
+static void planar_rgb_to_y(uint8_t *_dst, const uint8_t *src[4], int width)
+{
+    uint16_t *dst = (uint16_t *)_dst;
+    int i;
+    for (i = 0; i < width; i++) {
+        int g = src[0][i];
+        int b = src[1][i];
+        int r = src[2][i];
+
+        dst[i] = (RY*r + GY*g + BY*b + (0x801<<(RGB2YUV_SHIFT-7))) >> (RGB2YUV_SHIFT-6);
+    }
+}
+
+static void planar_rgb_to_uv(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *src[4], int width)
+{
+    uint16_t *dstU = (uint16_t *)_dstU;
+    uint16_t *dstV = (uint16_t *)_dstV;
+    int i;
+    for (i = 0; i < width; i++) {
+        int g = src[0][i];
+        int b = src[1][i];
+        int r = src[2][i];
+
+        dstU[i] = (RU*r + GU*g + BU*b + (0x4001<<(RGB2YUV_SHIFT-7))) >> (RGB2YUV_SHIFT-6);
+        dstV[i] = (RV*r + GV*g + BV*b + (0x4001<<(RGB2YUV_SHIFT-7))) >> (RGB2YUV_SHIFT-6);
+    }
+}
+
+#define rdpx(src) \
+    is_be ? AV_RB16(src) : AV_RL16(src)
+static av_always_inline void planar_rgb16_to_y(uint8_t *_dst, const uint8_t *_src[4],
+                                               int width, int bpc, int is_be)
+{
+    int i;
+    const uint16_t **src = (const uint16_t **)_src;
+    uint16_t *dst        = (uint16_t *)_dst;
+    for (i = 0; i < width; i++) {
+        int g = rdpx(src[0] + i);
+        int b = rdpx(src[1] + i);
+        int r = rdpx(src[2] + i);
+
+        dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT + bpc - 9))) >> (RGB2YUV_SHIFT + bpc - 14));
+    }
+}
+
+static void planar_rgb9le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 9, 0);
+}
+
+static void planar_rgb9be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 9, 1);
+}
+
+static void planar_rgb10le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 10, 0);
+}
+
+static void planar_rgb10be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 10, 1);
+}
+
+static void planar_rgb12le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 12, 0);
+}
+
+static void planar_rgb12be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 12, 1);
+}
+
+static void planar_rgb14le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 14, 0);
+}
+
+static void planar_rgb14be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 14, 1);
+}
+
+static void planar_rgb16le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 16, 0);
+}
+
+static void planar_rgb16be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_y(dst, src, w, 16, 1);
+}
+
+static av_always_inline void planar_rgb16_to_uv(uint8_t *_dstU, uint8_t *_dstV,
+                                                const uint8_t *_src[4], int width,
+                                                int bpc, int is_be)
+{
+    int i;
+    const uint16_t **src = (const uint16_t **)_src;
+    uint16_t *dstU       = (uint16_t *)_dstU;
+    uint16_t *dstV       = (uint16_t *)_dstV;
+    for (i = 0; i < width; i++) {
+        int g = rdpx(src[0] + i);
+        int b = rdpx(src[1] + i);
+        int r = rdpx(src[2] + i);
+
+        dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> (RGB2YUV_SHIFT + bpc - 14);
+        dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> (RGB2YUV_SHIFT + bpc - 14);
+    }
+}
+#undef rdpx
+
+static void planar_rgb9le_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 9, 0);
+}
+
+static void planar_rgb9be_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 9, 1);
+}
+
+static void planar_rgb10le_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                 const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 10, 0);
+}
+
+static void planar_rgb10be_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                 const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 10, 1);
+}
+
+static void planar_rgb12le_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                 const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 12, 0);
+}
+
+static void planar_rgb12be_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                 const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 12, 1);
+}
+
+static void planar_rgb14le_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                 const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 14, 0);
+}
+
+static void planar_rgb14be_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                 const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 14, 1);
+}
+
+static void planar_rgb16le_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                 const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 16, 0);
+}
+
+static void planar_rgb16be_to_uv(uint8_t *dstU, uint8_t *dstV,
+                                 const uint8_t *src[4], int w)
+{
+    planar_rgb16_to_uv(dstU, dstV, src, w, 16, 1);
+}
+
+av_cold void ff_sws_init_input_funcs(SwsContext *c)
+{
+    enum AVPixelFormat srcFormat = c->srcFormat;
+
+    c->chrToYV12 = NULL;
+    switch (srcFormat) {
+    case AV_PIX_FMT_YUYV422:
+        c->chrToYV12 = yuy2ToUV_c;
+        break;
+    case AV_PIX_FMT_UYVY422:
+        c->chrToYV12 = uyvyToUV_c;
+        break;
+    case AV_PIX_FMT_NV12:
+        c->chrToYV12 = nv12ToUV_c;
+        break;
+    case AV_PIX_FMT_NV21:
+        c->chrToYV12 = nv21ToUV_c;
+        break;
+    case AV_PIX_FMT_RGB8:
+    case AV_PIX_FMT_BGR8:
+    case AV_PIX_FMT_PAL8:
+    case AV_PIX_FMT_BGR4_BYTE:
+    case AV_PIX_FMT_RGB4_BYTE:
+        c->chrToYV12 = palToUV_c;
+        break;
+    case AV_PIX_FMT_GBRP9LE:
+        c->readChrPlanar = planar_rgb9le_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP10LE:
+        c->readChrPlanar = planar_rgb10le_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP12LE:
+        c->readChrPlanar = planar_rgb12le_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP14LE:
+        c->readChrPlanar = planar_rgb14le_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP16LE:
+        c->readChrPlanar = planar_rgb16le_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP9BE:
+        c->readChrPlanar = planar_rgb9be_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP10BE:
+        c->readChrPlanar = planar_rgb10be_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP12BE:
+        c->readChrPlanar = planar_rgb12be_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP14BE:
+        c->readChrPlanar = planar_rgb14be_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP16BE:
+        c->readChrPlanar = planar_rgb16be_to_uv;
+        break;
+    case AV_PIX_FMT_GBRP:
+        c->readChrPlanar = planar_rgb_to_uv;
+        break;
+#if HAVE_BIGENDIAN
+    case AV_PIX_FMT_YUV444P9LE:
+    case AV_PIX_FMT_YUV422P9LE:
+    case AV_PIX_FMT_YUV420P9LE:
+    case AV_PIX_FMT_YUV422P10LE:
+    case AV_PIX_FMT_YUV444P10LE:
+    case AV_PIX_FMT_YUV420P10LE:
+    case AV_PIX_FMT_YUV422P12LE:
+    case AV_PIX_FMT_YUV444P12LE:
+    case AV_PIX_FMT_YUV420P12LE:
+    case AV_PIX_FMT_YUV422P14LE:
+    case AV_PIX_FMT_YUV444P14LE:
+    case AV_PIX_FMT_YUV420P14LE:
+    case AV_PIX_FMT_YUV420P16LE:
+    case AV_PIX_FMT_YUV422P16LE:
+    case AV_PIX_FMT_YUV444P16LE:
+
+    case AV_PIX_FMT_YUVA444P9LE:
+    case AV_PIX_FMT_YUVA422P9LE:
+    case AV_PIX_FMT_YUVA420P9LE:
+    case AV_PIX_FMT_YUVA444P10LE:
+    case AV_PIX_FMT_YUVA422P10LE:
+    case AV_PIX_FMT_YUVA420P10LE:
+    case AV_PIX_FMT_YUVA420P16LE:
+    case AV_PIX_FMT_YUVA422P16LE:
+    case AV_PIX_FMT_YUVA444P16LE:
+        c->chrToYV12 = bswap16UV_c;
+        break;
+#else
+    case AV_PIX_FMT_YUV444P9BE:
+    case AV_PIX_FMT_YUV422P9BE:
+    case AV_PIX_FMT_YUV420P9BE:
+    case AV_PIX_FMT_YUV444P10BE:
+    case AV_PIX_FMT_YUV422P10BE:
+    case AV_PIX_FMT_YUV420P10BE:
+    case AV_PIX_FMT_YUV444P12BE:
+    case AV_PIX_FMT_YUV422P12BE:
+    case AV_PIX_FMT_YUV420P12BE:
+    case AV_PIX_FMT_YUV444P14BE:
+    case AV_PIX_FMT_YUV422P14BE:
+    case AV_PIX_FMT_YUV420P14BE:
+    case AV_PIX_FMT_YUV420P16BE:
+    case AV_PIX_FMT_YUV422P16BE:
+    case AV_PIX_FMT_YUV444P16BE:
+
+    case AV_PIX_FMT_YUVA444P9BE:
+    case AV_PIX_FMT_YUVA422P9BE:
+    case AV_PIX_FMT_YUVA420P9BE:
+    case AV_PIX_FMT_YUVA444P10BE:
+    case AV_PIX_FMT_YUVA422P10BE:
+    case AV_PIX_FMT_YUVA420P10BE:
+    case AV_PIX_FMT_YUVA420P16BE:
+    case AV_PIX_FMT_YUVA422P16BE:
+    case AV_PIX_FMT_YUVA444P16BE:
+        c->chrToYV12 = bswap16UV_c;
+        break;
+#endif
+    }
+    if (c->chrSrcHSubSample) {
+        switch (srcFormat) {
+        case AV_PIX_FMT_RGBA64BE:
+            c->chrToYV12 = rgb64BEToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGBA64LE:
+            c->chrToYV12 = rgb64LEToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB48BE:
+            c->chrToYV12 = rgb48BEToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB48LE:
+            c->chrToYV12 = rgb48LEToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR48BE:
+            c->chrToYV12 = bgr48BEToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR48LE:
+            c->chrToYV12 = bgr48LEToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB32:
+            c->chrToYV12 = bgr32ToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB32_1:
+            c->chrToYV12 = bgr321ToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR24:
+            c->chrToYV12 = bgr24ToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR565LE:
+            c->chrToYV12 = bgr16leToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR565BE:
+            c->chrToYV12 = bgr16beToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR555LE:
+            c->chrToYV12 = bgr15leToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR555BE:
+            c->chrToYV12 = bgr15beToUV_half_c;
+            break;
+        case AV_PIX_FMT_GBR24P  :
+            c->chrToYV12 = gbr24pToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR444LE:
+            c->chrToYV12 = bgr12leToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR444BE:
+            c->chrToYV12 = bgr12beToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR32:
+            c->chrToYV12 = rgb32ToUV_half_c;
+            break;
+        case AV_PIX_FMT_BGR32_1:
+            c->chrToYV12 = rgb321ToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB24:
+            c->chrToYV12 = rgb24ToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB565LE:
+            c->chrToYV12 = rgb16leToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB565BE:
+            c->chrToYV12 = rgb16beToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB555LE:
+            c->chrToYV12 = rgb15leToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB555BE:
+            c->chrToYV12 = rgb15beToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB444LE:
+            c->chrToYV12 = rgb12leToUV_half_c;
+            break;
+        case AV_PIX_FMT_RGB444BE:
+            c->chrToYV12 = rgb12beToUV_half_c;
+            break;
+        }
+    } else {
+        switch (srcFormat) {
+        case AV_PIX_FMT_RGBA64BE:
+            c->chrToYV12 = rgb64BEToUV_c;
+            break;
+        case AV_PIX_FMT_RGBA64LE:
+            c->chrToYV12 = rgb64LEToUV_c;
+            break;
+        case AV_PIX_FMT_RGB48BE:
+            c->chrToYV12 = rgb48BEToUV_c;
+            break;
+        case AV_PIX_FMT_RGB48LE:
+            c->chrToYV12 = rgb48LEToUV_c;
+            break;
+        case AV_PIX_FMT_BGR48BE:
+            c->chrToYV12 = bgr48BEToUV_c;
+            break;
+        case AV_PIX_FMT_BGR48LE:
+            c->chrToYV12 = bgr48LEToUV_c;
+            break;
+        case AV_PIX_FMT_RGB32:
+            c->chrToYV12 = bgr32ToUV_c;
+            break;
+        case AV_PIX_FMT_RGB32_1:
+            c->chrToYV12 = bgr321ToUV_c;
+            break;
+        case AV_PIX_FMT_BGR24:
+            c->chrToYV12 = bgr24ToUV_c;
+            break;
+        case AV_PIX_FMT_BGR565LE:
+            c->chrToYV12 = bgr16leToUV_c;
+            break;
+        case AV_PIX_FMT_BGR565BE:
+            c->chrToYV12 = bgr16beToUV_c;
+            break;
+        case AV_PIX_FMT_BGR555LE:
+            c->chrToYV12 = bgr15leToUV_c;
+            break;
+        case AV_PIX_FMT_BGR555BE:
+            c->chrToYV12 = bgr15beToUV_c;
+            break;
+        case AV_PIX_FMT_BGR444LE:
+            c->chrToYV12 = bgr12leToUV_c;
+            break;
+        case AV_PIX_FMT_BGR444BE:
+            c->chrToYV12 = bgr12beToUV_c;
+            break;
+        case AV_PIX_FMT_BGR32:
+            c->chrToYV12 = rgb32ToUV_c;
+            break;
+        case AV_PIX_FMT_BGR32_1:
+            c->chrToYV12 = rgb321ToUV_c;
+            break;
+        case AV_PIX_FMT_RGB24:
+            c->chrToYV12 = rgb24ToUV_c;
+            break;
+        case AV_PIX_FMT_RGB565LE:
+            c->chrToYV12 = rgb16leToUV_c;
+            break;
+        case AV_PIX_FMT_RGB565BE:
+            c->chrToYV12 = rgb16beToUV_c;
+            break;
+        case AV_PIX_FMT_RGB555LE:
+            c->chrToYV12 = rgb15leToUV_c;
+            break;
+        case AV_PIX_FMT_RGB555BE:
+            c->chrToYV12 = rgb15beToUV_c;
+            break;
+        case AV_PIX_FMT_RGB444LE:
+            c->chrToYV12 = rgb12leToUV_c;
+            break;
+        case AV_PIX_FMT_RGB444BE:
+            c->chrToYV12 = rgb12beToUV_c;
+            break;
+        }
+    }
+
+    c->lumToYV12 = NULL;
+    c->alpToYV12 = NULL;
+    switch (srcFormat) {
+    case AV_PIX_FMT_GBRP9LE:
+        c->readLumPlanar = planar_rgb9le_to_y;
+        break;
+    case AV_PIX_FMT_GBRP10LE:
+        c->readLumPlanar = planar_rgb10le_to_y;
+        break;
+    case AV_PIX_FMT_GBRP12LE:
+        c->readLumPlanar = planar_rgb12le_to_y;
+        break;
+    case AV_PIX_FMT_GBRP14LE:
+        c->readLumPlanar = planar_rgb14le_to_y;
+        break;
+    case AV_PIX_FMT_GBRP16LE:
+        c->readLumPlanar = planar_rgb16le_to_y;
+        break;
+    case AV_PIX_FMT_GBRP9BE:
+        c->readLumPlanar = planar_rgb9be_to_y;
+        break;
+    case AV_PIX_FMT_GBRP10BE:
+        c->readLumPlanar = planar_rgb10be_to_y;
+        break;
+    case AV_PIX_FMT_GBRP12BE:
+        c->readLumPlanar = planar_rgb12be_to_y;
+        break;
+    case AV_PIX_FMT_GBRP14BE:
+        c->readLumPlanar = planar_rgb14be_to_y;
+        break;
+    case AV_PIX_FMT_GBRP16BE:
+        c->readLumPlanar = planar_rgb16be_to_y;
+        break;
+    case AV_PIX_FMT_GBRP:
+        c->readLumPlanar = planar_rgb_to_y;
+        break;
+#if HAVE_BIGENDIAN
+    case AV_PIX_FMT_YUV444P9LE:
+    case AV_PIX_FMT_YUV422P9LE:
+    case AV_PIX_FMT_YUV420P9LE:
+    case AV_PIX_FMT_YUV444P10LE:
+    case AV_PIX_FMT_YUV422P10LE:
+    case AV_PIX_FMT_YUV420P10LE:
+    case AV_PIX_FMT_YUV444P12LE:
+    case AV_PIX_FMT_YUV422P12LE:
+    case AV_PIX_FMT_YUV420P12LE:
+    case AV_PIX_FMT_YUV444P14LE:
+    case AV_PIX_FMT_YUV422P14LE:
+    case AV_PIX_FMT_YUV420P14LE:
+    case AV_PIX_FMT_YUV420P16LE:
+    case AV_PIX_FMT_YUV422P16LE:
+    case AV_PIX_FMT_YUV444P16LE:
+
+    case AV_PIX_FMT_GRAY16LE:
+        c->lumToYV12 = bswap16Y_c;
+        break;
+    case AV_PIX_FMT_YUVA444P9LE:
+    case AV_PIX_FMT_YUVA422P9LE:
+    case AV_PIX_FMT_YUVA420P9LE:
+    case AV_PIX_FMT_YUVA444P10LE:
+    case AV_PIX_FMT_YUVA422P10LE:
+    case AV_PIX_FMT_YUVA420P10LE:
+    case AV_PIX_FMT_YUVA420P16LE:
+    case AV_PIX_FMT_YUVA422P16LE:
+    case AV_PIX_FMT_YUVA444P16LE:
+        c->lumToYV12 = bswap16Y_c;
+        c->alpToYV12 = bswap16Y_c;
+        break;
+#else
+    case AV_PIX_FMT_YUV444P9BE:
+    case AV_PIX_FMT_YUV422P9BE:
+    case AV_PIX_FMT_YUV420P9BE:
+    case AV_PIX_FMT_YUV444P10BE:
+    case AV_PIX_FMT_YUV422P10BE:
+    case AV_PIX_FMT_YUV420P10BE:
+    case AV_PIX_FMT_YUV444P12BE:
+    case AV_PIX_FMT_YUV422P12BE:
+    case AV_PIX_FMT_YUV420P12BE:
+    case AV_PIX_FMT_YUV444P14BE:
+    case AV_PIX_FMT_YUV422P14BE:
+    case AV_PIX_FMT_YUV420P14BE:
+    case AV_PIX_FMT_YUV420P16BE:
+    case AV_PIX_FMT_YUV422P16BE:
+    case AV_PIX_FMT_YUV444P16BE:
+
+    case AV_PIX_FMT_GRAY16BE:
+        c->lumToYV12 = bswap16Y_c;
+        break;
+    case AV_PIX_FMT_YUVA444P9BE:
+    case AV_PIX_FMT_YUVA422P9BE:
+    case AV_PIX_FMT_YUVA420P9BE:
+    case AV_PIX_FMT_YUVA444P10BE:
+    case AV_PIX_FMT_YUVA422P10BE:
+    case AV_PIX_FMT_YUVA420P10BE:
+    case AV_PIX_FMT_YUVA420P16BE:
+    case AV_PIX_FMT_YUVA422P16BE:
+    case AV_PIX_FMT_YUVA444P16BE:
+        c->lumToYV12 = bswap16Y_c;
+        c->alpToYV12 = bswap16Y_c;
+        break;
+#endif
+    case AV_PIX_FMT_YUYV422:
+    case AV_PIX_FMT_Y400A:
+        c->lumToYV12 = yuy2ToY_c;
+        break;
+    case AV_PIX_FMT_UYVY422:
+        c->lumToYV12 = uyvyToY_c;
+        break;
+    case AV_PIX_FMT_BGR24:
+        c->lumToYV12 = bgr24ToY_c;
+        break;
+    case AV_PIX_FMT_BGR565LE:
+        c->lumToYV12 = bgr16leToY_c;
+        break;
+    case AV_PIX_FMT_BGR565BE:
+        c->lumToYV12 = bgr16beToY_c;
+        break;
+    case AV_PIX_FMT_BGR555LE:
+        c->lumToYV12 = bgr15leToY_c;
+        break;
+    case AV_PIX_FMT_BGR555BE:
+        c->lumToYV12 = bgr15beToY_c;
+        break;
+    case AV_PIX_FMT_BGR444LE:
+        c->lumToYV12 = bgr12leToY_c;
+        break;
+    case AV_PIX_FMT_BGR444BE:
+        c->lumToYV12 = bgr12beToY_c;
+        break;
+    case AV_PIX_FMT_RGB24:
+        c->lumToYV12 = rgb24ToY_c;
+        break;
+    case AV_PIX_FMT_RGB565LE:
+        c->lumToYV12 = rgb16leToY_c;
+        break;
+    case AV_PIX_FMT_RGB565BE:
+        c->lumToYV12 = rgb16beToY_c;
+        break;
+    case AV_PIX_FMT_RGB555LE:
+        c->lumToYV12 = rgb15leToY_c;
+        break;
+    case AV_PIX_FMT_RGB555BE:
+        c->lumToYV12 = rgb15beToY_c;
+        break;
+    case AV_PIX_FMT_RGB444LE:
+        c->lumToYV12 = rgb12leToY_c;
+        break;
+    case AV_PIX_FMT_RGB444BE:
+        c->lumToYV12 = rgb12beToY_c;
+        break;
+    case AV_PIX_FMT_RGB8:
+    case AV_PIX_FMT_BGR8:
+    case AV_PIX_FMT_PAL8:
+    case AV_PIX_FMT_BGR4_BYTE:
+    case AV_PIX_FMT_RGB4_BYTE:
+        c->lumToYV12 = palToY_c;
+        break;
+    case AV_PIX_FMT_MONOBLACK:
+        c->lumToYV12 = monoblack2Y_c;
+        break;
+    case AV_PIX_FMT_MONOWHITE:
+        c->lumToYV12 = monowhite2Y_c;
+        break;
+    case AV_PIX_FMT_RGB32:
+        c->lumToYV12 = bgr32ToY_c;
+        break;
+    case AV_PIX_FMT_RGB32_1:
+        c->lumToYV12 = bgr321ToY_c;
+        break;
+    case AV_PIX_FMT_BGR32:
+        c->lumToYV12 = rgb32ToY_c;
+        break;
+    case AV_PIX_FMT_BGR32_1:
+        c->lumToYV12 = rgb321ToY_c;
+        break;
+    case AV_PIX_FMT_RGB48BE:
+        c->lumToYV12 = rgb48BEToY_c;
+        break;
+    case AV_PIX_FMT_RGB48LE:
+        c->lumToYV12 = rgb48LEToY_c;
+        break;
+    case AV_PIX_FMT_BGR48BE:
+        c->lumToYV12 = bgr48BEToY_c;
+        break;
+    case AV_PIX_FMT_BGR48LE:
+        c->lumToYV12 = bgr48LEToY_c;
+        break;
+    case AV_PIX_FMT_RGBA64BE:
+        c->lumToYV12 = rgb64BEToY_c;
+        break;
+    case AV_PIX_FMT_RGBA64LE:
+        c->lumToYV12 = rgb64LEToY_c;
+        break;
+    }
+    if (c->alpPixBuf) {
+        if (is16BPS(srcFormat) || isNBPS(srcFormat)) {
+            if (HAVE_BIGENDIAN == !isBE(srcFormat))
+                c->alpToYV12 = bswap16Y_c;
+        }
+        switch (srcFormat) {
+        case AV_PIX_FMT_RGBA64LE:
+        case AV_PIX_FMT_RGBA64BE:  c->alpToYV12 = rgba64ToA_c; break;
+        case AV_PIX_FMT_BGRA:
+        case AV_PIX_FMT_RGBA:
+            c->alpToYV12 = rgbaToA_c;
+            break;
+        case AV_PIX_FMT_ABGR:
+        case AV_PIX_FMT_ARGB:
+            c->alpToYV12 = abgrToA_c;
+            break;
+        case AV_PIX_FMT_Y400A:
+            c->alpToYV12 = uyvyToY_c;
+            break;
+        case AV_PIX_FMT_PAL8 :
+            c->alpToYV12 = palToA_c;
+            break;
+        }
+    }
+}