#include?
#include?
using?namespace?std;

void?fastYUV444P2YUV420P（int?width?int?height
?????????????????????????uint8_t*?src_image_array[]
?????????????????????????uint8_t*?dst_image_array[]）{
????uint8_t*?src_yp?=?src_image_array[0];
????uint8_t*?src_up?=?src_image_array[1];
????uint8_t*?src_vp?=?src_image_array[2];
????uint8_t*?dst_yp?=?dst_image_array[0];
????uint8_t*?dst_up?=?dst_image_array[1];
????uint8_t*?dst_vp?=?dst_image_array[2];
????int?half_width?=?width?/?2;
????int?half_height?=?height?/?2;
????//Y
????memcpy（dst_yp?src_yp?width?*?height）;

????//UV
????for（int?i?=?0;?i?????????for（int?j?=?0;?j?????????????*dst_up?=?*src_up;
????????????*dst_vp?=?*src_vp;
????????????dst_up++;
????????????dst_vp++;
???????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-08-28?15:08??yuv444P2yuv420p\
?????目錄???????????0??2018-08-28?15:17??yuv444P2yuv420p\.idea\
?????文件????????1832??2018-08-28?15:03??yuv444P2yuv420p\.idea\misc.xml
?????文件?????????282??2018-08-28?15:02??yuv444P2yuv420p\.idea\modules.xml
?????文件???????12798??2018-08-28?15:17??yuv444P2yuv420p\.idea\workspace.xml
?????文件????????1158??2018-08-28?15:03??yuv444P2yuv420p\.idea\yuv444P2yuv420p.iml
?????目錄???????????0??2018-08-28?15:05??yuv444P2yuv420p\build\
?????目錄???????????0??2018-08-28?15:08??yuv444P2yuv420p\build\bin\
?????文件?????1573632??2018-08-28?15:08??yuv444P2yuv420p\build\bin\YUV420.yuv
?????文件?????3147264??2018-08-28?15:07??yuv444P2yuv420p\build\bin\YUV444.yuv
?????文件???????73945??2018-08-28?15:08??yuv444P2yuv420p\build\bin\yuv444P2yuv420p.exe
?????目錄???????????0??2018-08-28?15:05??yuv444P2yuv420p\build\lib\
?????文件?????????686??2018-08-28?15:05??yuv444P2yuv420p\CMakeLists.txt
?????目錄???????????0??2018-08-28?15:07??yuv444P2yuv420p\libs\
?????文件?????3147264??2018-08-28?15:07??yuv444P2yuv420p\libs\YUV444.yuv
?????文件????????1905??2018-08-28?15:08??yuv444P2yuv420p\main.cpp