/* * 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 <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 input_pixel(pos) (isBE(origin) ? AV_RB16(pos) : AV_RL16(pos)) #define r ((origin == AV_PIX_FMT_BGR48BE || origin == AV_PIX_FMT_BGR48LE || origin == AV_PIX_FMT_BGRA64BE || origin == AV_PIX_FMT_BGRA64LE) ? b_r : r_b)#define b ((origin == AV_PIX_FMT_BGR48BE || origin == AV_PIX_FMT_BGR48LE || origin == AV_PIX_FMT_BGRA64BE || origin == AV_PIX_FMT_BGRA64LE) ? r_b : b_r) static av_always_inline voidrgb64ToY_c_template(uint16_t *dst, const uint16_t *src, int width,                    enum AVPixelFormat origin, int32_t *rgb2yuv){    int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX];    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 voidrgb64ToUV_c_template(uint16_t *dstU, uint16_t *dstV,                    const uint16_t *src1, const uint16_t *src2,                    int width, enum AVPixelFormat origin, int32_t *rgb2yuv){    int i;    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];    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 voidrgb64ToUV_half_c_template(uint16_t *dstU, uint16_t *dstV,                          const uint16_t *src1, const uint16_t *src2,                          int width, enum AVPixelFormat origin, int32_t *rgb2yuv){    int i;    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];    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 *rgb2yuv) \{ \    const uint16_t *src = (const uint16_t *) _src; \    uint16_t *dst = (uint16_t *) _dst; \    rgb64ToY_c_template(dst, src, width, origin, rgb2yuv); \} \ \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 *rgb2yuv) \{ \    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, rgb2yuv); \} \ \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 *rgb2yuv) \{ \    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, rgb2yuv); \} rgb64funcs(rgb, LE, AV_PIX_FMT_RGBA64LE)rgb64funcs(rgb, BE, AV_PIX_FMT_RGBA64BE)rgb64funcs(bgr, LE, AV_PIX_FMT_BGRA64LE)rgb64funcs(bgr, BE, AV_PIX_FMT_BGRA64BE) static av_always_inline void rgb48ToY_c_template(uint16_t *dst,                                                 const uint16_t *src, int width,                                                 enum AVPixelFormat origin,                                                 int32_t *rgb2yuv){    int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX];    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,                                                  int32_t *rgb2yuv){    int i;    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];    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,                                                       int32_t *rgb2yuv){    int i;    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];    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 *rgb2yuv)          \{                                                                       \    const uint16_t *src = (const uint16_t *)_src;                       \    uint16_t *dst       = (uint16_t *)_dst;                             \    rgb48ToY_c_template(dst, src, width, origin, rgb2yuv);              \}                                                                       \                                                                        \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 *rgb2yuv)         \{                                                                       \    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, rgb2yuv);        \}                                                                       \                                                                        \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 *rgb2yuv)    \{                                                                       \    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, rgb2yuv);   \} 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,                                                    int32_t *rgb2yuv){    const int ry       = rgb2yuv[RY_IDX]<<rsh, gy = rgb2yuv[GY_IDX]<<gsh, by = rgb2yuv[BY_IDX]<<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,                                                     int32_t *rgb2yuv){    const int ru       = rgb2yuv[RU_IDX] * (1 << rsh), gu = rgb2yuv[GU_IDX] * (1 << gsh), bu = rgb2yuv[BU_IDX] * (1 << bsh),              rv       = rgb2yuv[RV_IDX] * (1 << rsh), gv = rgb2yuv[GV_IDX] * (1 << gsh), bv = rgb2yuv[BV_IDX] * (1 << 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,                                                          int32_t *rgb2yuv){    const int ru       = rgb2yuv[RU_IDX] * (1 << rsh), gu = rgb2yuv[GU_IDX] * (1 << gsh), bu = rgb2yuv[BU_IDX] * (1 << bsh),              rv       = rgb2yuv[RV_IDX] * (1 << rsh), gv = rgb2yuv[GV_IDX] * (1 << gsh), bv = rgb2yuv[BV_IDX] * (1 << 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++) {        unsigned px0 = input_pixel(2 * i + 0) >> shp;        unsigned 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 *tab)                     \{                                                                       \    rgb16_32ToY_c_template((int16_t*)dst, src, width, fmt, shr, shg, shb, shp,    \                           maskr, maskg, maskb, rsh, gsh, bsh, S, tab); \}                                                                       \                                                                        \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 *tab)                    \{                                                                       \    rgb16_32ToUV_c_template((int16_t*)dstU, (int16_t*)dstV, src, width, fmt,                \                            shr, shg, shb, shp,                         \                            maskr, maskg, maskb, rsh, gsh, bsh, S, tab);\}                                                                       \                                                                        \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 *tab)               \{                                                                       \    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, tab);                \} 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 *rgb2yuv){    uint16_t *dstU = (uint16_t *)_dstU;    uint16_t *dstV = (uint16_t *)_dstV;    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 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 rgba64leToA_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] = AV_RL16(src + 4 * i + 3);} static void rgba64beToA_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] = AV_RB16(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 | src[4*i]>>2;    }} 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 | src[4*i+3]>>2;    }} 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 | pal[d]>>26;    }} 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;    }

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