text: /*
   *  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.
   *  YUV & runtime CPU stuff by Michael (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
   */
  
  #ifndef SWSCALE_RGB2RGB_H
  #define SWSCALE_RGB2RGB_H
  
  #include <inttypes.h>
  
  #include "libavutil/avutil.h"
  #include "swscale.h"
  
  /* A full collection of RGB to RGB(BGR) converters */
  extern void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void    (*rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void    (*rgb32to15)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void    (*rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void    (*rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void    (*rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void    (*rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void    (*rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void    (*rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
  
  extern void (*shuffle_bytes_0321)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*shuffle_bytes_1230)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*shuffle_bytes_3012)(const uint8_t *src, uint8_t *dst, int src_size);
  extern void (*shuffle_bytes_3210)(const uint8_t *src, uint8_t *dst, int src_size);
  
  void rgb64tobgr48_nobswap(const uint8_t *src, uint8_t *dst, int src_size);
  void   rgb64tobgr48_bswap(const uint8_t *src, uint8_t *dst, int src_size);
  void rgb48tobgr48_nobswap(const uint8_t *src, uint8_t *dst, int src_size);
  void   rgb48tobgr48_bswap(const uint8_t *src, uint8_t *dst, int src_size);
  void    rgb64to48_nobswap(const uint8_t *src, uint8_t *dst, int src_size);
  void      rgb64to48_bswap(const uint8_t *src, uint8_t *dst, int src_size);
  void rgb48tobgr64_nobswap(const uint8_t *src, uint8_t *dst, int src_size);
  void   rgb48tobgr64_bswap(const uint8_t *src, uint8_t *dst, int src_size);
  void    rgb48to64_nobswap(const uint8_t *src, uint8_t *dst, int src_size);
  void      rgb48to64_bswap(const uint8_t *src, uint8_t *dst, int src_size);
  void    rgb24to32(const uint8_t *src, uint8_t *dst, int src_size);
  void    rgb32to24(const uint8_t *src, uint8_t *dst, int src_size);
  void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size);
  void    rgb16to24(const uint8_t *src, uint8_t *dst, int src_size);
  void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size);
  void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size);
  void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size);
  void    rgb15to24(const uint8_t *src, uint8_t *dst, int src_size);
  void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size);
  void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size);
  void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size);
  void    rgb12to15(const uint8_t *src, uint8_t *dst, int src_size);
  
  void ff_rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
                        uint8_t *vdst, int width, int height, int lumStride,
                        int chromStride, int srcStride, int32_t *rgb2yuv);
  
  /**
   * 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.)
   */
  extern void (*yv12toyuy2)(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);
  
  /**
   * Width should be a multiple of 16.
   */
  extern void (*yuv422ptoyuy2)(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);
  
  /**
   * 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.)
   */
  extern void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
                            int width, int height,
                            int lumStride, int chromStride, int srcStride);
  
  /**
   * 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.)
   */
  extern void (*yv12touyvy)(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);
  
  /**
   * Width should be a multiple of 16.
   */
  extern void (*yuv422ptouyvy)(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);
  
  /**
   * 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.
   * FIXME: Write high quality version.
   */
  extern void (*ff_rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
                                int width, int height,
                                int lumStride, int chromStride, int srcStride,
                                int32_t *rgb2yuv);
  extern void (*planar2x)(const uint8_t *src, uint8_t *dst, int width, int height,
                          int srcStride, int dstStride);
  
  extern void (*interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst,
                                 int width, int height, int src1Stride,
                                 int src2Stride, int dstStride);
  
  extern void (*deinterleaveBytes)(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
                                   int width, int height, int srcStride,
                                   int dst1Stride, int dst2Stride);
  
  extern void (*vu9_to_vu12)(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);
  
  extern void (*yvu9_to_yuy2)(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);
  
  extern void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
                              int width, int height,
                              int lumStride, int chromStride, int srcStride);
  extern void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
                              int width, int height,
                              int lumStride, int chromStride, int srcStride);
  extern void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
                              int width, int height,
                              int lumStride, int chromStride, int srcStride);
  extern void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
                              int width, int height,
                              int lumStride, int chromStride, int srcStride);
  
  void ff_sws_rgb2rgb_init(void);
  
  void rgb2rgb_init_x86(void);
  
  #endif /* SWSCALE_RGB2RGB_H */
  