void ms_yuv_buf_copy(uint8_t *src_planes[], const int src_strides[],
uint8_t *dst_planes[], const int dst_strides[3], MSVideoSize roi){
plane_copy(src_planes[0],src_strides[0],dst_planes[0],dst_strides[0],roi);
roi.width=roi.width/2;
roi.height=roi.height/2;
plane_copy(src_planes[1],src_strides[1],dst_planes[1],dst_strides[1],roi);
plane_copy(src_planes[2],src_strides[2],dst_planes[2],dst_strides[2],roi);
}
static void pic_copy(uint8_t *dest, int dw, int dh, uint8_t *src, int sw, int sh, MSPixFmt fmt){
if (fmt==MS_YUV420P){
plane_copy(dest,dw,dh,src,sw,sh,1);
dest+=dw*dh;
src+=sw*sh;
plane_copy(dest,dw/2,dh/2,src,sw/2,sh/2,1);
dest+=dw*dh/4;
src+=sw*sh/4;
plane_copy(dest,dw/2,dh/2,src,sw/2,sh/2,1);
}else if (fmt==MS_RGB24){
plane_copy(dest,dw,dh,src,sw,sh,3);
}else if (fmt==MS_YUYV||fmt==MS_UYVY){
plane_copy(dest,dw,dh,src,sw,sh,4);
}
}
