93 lines
4.5 KiB
C
93 lines
4.5 KiB
C
#ifndef _YUV_SOFT_SCALING_
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#define _YUV_SOFT_SCALING_
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//dhx-jieli-2020-12-24
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#include "generic/typedef.h"
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typedef struct _image {
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int w;
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int h;
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union {
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unsigned char *pixels;
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unsigned char *data;
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unsigned char *data16;
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};
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} image_info;
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//yuyv:YUYV源, yuv422p:YUV422P输出, width/height:源宽/源高
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int YUYV422ToYUV422p(unsigned char *yuyv, unsigned char *yuv422p, int width, int height);
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//yvyu:YVYU源, yuv422p:YUV422P输出, width/height:源宽/源高
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int YVYU422ToYUV422p(unsigned char *yvyu, unsigned char *yuv422p, int width, int height);
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//YUV444P转YUV422p:dhx-jieli-2020-12-24
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//yuv444p:YUV444P源, yuv422p:YUV422P输出, width/height:源宽/源高
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int YUV444pToYUV422p(unsigned char *yuv444p, unsigned char *yuv422p, int width, int height);
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//YUV444P转YUV420p:dhx-jieli-2020-12-24
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//yuv444p:YUV444P源, yuv420p:YUV420P输出, width/height:源宽/源高
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int YUV444pToYUV420p(unsigned char *yuv444p, unsigned char *yuv420p, int width, int height);
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//yuv422p:YUV422P源, yuv420p:YUV420P输出, width/height:源宽/源高
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int YUV422pToYUV420p(unsigned char *yuv422p, unsigned char *yuv420p, int width, int height);
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//src:YUV源,out:YUV输出,src_w/src_h/out_w/out_h:源宽/源高/输出宽/输出高, angle:翻转角度(0/90/180/270)
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int YUV420p_REVERSAL(char *src, char *out, int src_w, int src_h, int *out_w, int *out_h, int angle);
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//YUV分辨率进行对齐，对齐只能比源尺寸要小(不会变大)
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//src:YUV源,src_w/src_h/out_w/out_h/width_align/height_align:源宽/源高/输出宽/输出高/宽对齐像素点数/高对齐像素点数
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int YUV420p_ALIGN(unsigned char *src, int src_w, int src_h, int *out_w, int *out_h, int width_align, int height_align);
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//YUV缩小任意尺寸
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//AC79(WL80) sys_clk=320M , 26ms:720P->VGA, 8ms:720P->320*240, 6ms:VGA->320*240;
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//缩小可以不使用out作为缓存，out写NULL即可，直接在src覆盖
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//src:YUV源,out:YUV输出,src_w/src_h/out_w/out_h:源宽/源高/输出宽/输出高
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int YUV420p_Zoom_Out(unsigned char *src, unsigned char *out, int src_w, int src_h, int out_w, int out_h);
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//YUV缩小任意尺寸
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//AC79(WL80) sys_clk=320M , 26ms:720P->VGA, 8ms:720P->320*240, 6ms:VGA->320*240;
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//缩小可以不使用out作为缓存，out写NULL即可，直接在src覆盖
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//src:YUV源,out:YUV输出,src_w/src_h/out_w/out_h:源宽/源高/输出宽/输出高
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int YUV422p_Zoom_Out(unsigned char *src, unsigned char *out, int src_w, int src_h, int out_w, int out_h);
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//YUV放大任意尺寸
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//AC79(WL80) sys_clk=320M , 80ms:VGA->720P, 130ms:VGA->1080P, 260ms:720P->1080P;
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//src:YUV源,out:YUV输出,src_w/src_h/out_w/out_h:源宽/源高/输出宽/输出高
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int YUV420p_Zoom_In(unsigned char *src, unsigned char *out, int src_w, int src_h, int out_w, int out_h);
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//YUV缩放
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//AC79(WL80) sys_clk=320M , 26ms:720P->VGA, 8ms:720P->320*240, 6ms:VGA->320*240, 80ms:VGA->720P, 130ms:VGA->1080P, 260ms:720P->1080P;
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//src:YUV源,out:YUV输出,src_w/src_h/out_w/out_h:源宽/源高/输出宽/输出高
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int YUV420p_ZOOM(unsigned char *src, unsigned char *out, int src_w, int src_h, int out_w, int out_h);
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//YUV缩放,和YUV420p_ZOOM一样
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//AC79(WL80) sys_clk=320M , 26ms:720P->VGA, 8ms:720P->320*240, 6ms:VGA->320*240, 80ms:VGA->720P, 130ms:VGA->1080P, 260ms:720P->1080P;
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//src:YUV源,out:YUV输出,src_w/src_h/out_w/out_h:源宽/源高/输出宽/输出高
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int YUV420p_Soft_Scaling(unsigned char *src, unsigned char *out, int src_w, int src_h, int out_w, int out_h);
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//YUV裁剪指定区域
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//yuv420p:YUV源,src_w/src_h/源宽/源高/
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//out:指定输出YUV缓存区，NULL则覆盖yuv420p，out_size指定输出缓冲区长度，out=NULL时out_size = 0即可
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//w_start:裁剪起始宽(2对齐)，w_size:裁剪长度(2对齐)
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//h_start:裁剪起始高(2对齐)，h_size:裁剪长度(2对齐)
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//宽高起始(0,0)点为图片的左上角
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int YUV420p_Cut(unsigned char *yuv420p, int src_w, int src_h, unsigned char *out, int out_size, int w_start, int w_size, int h_start, int h_size);
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/**********rgb旋转函数*************/
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//in_buf:RGB源,out_buf:RGB输出
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void RGB565_Soft_90(unsigned char mode, u16 *out_buf, u16 *in_buf, int width, int height);
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//等比缩放函数
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//int line_8每次最少处理8行 需要是8的整数倍
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//int time_16处理的第多少行
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//int src_w图像输入宽
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//int src_h图像输入高
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//int dst_w图像输出行宽
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//int dst_h图像输出入行高
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//u8 *src 图像buf输入地址
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//u8 *dst 图像输出buf
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void jl_nearest_inter_line(int line_8, int time_16, int src_w, int src_h, int dst_w, int dst_h, unsigned char *src, unsigned char *dst);
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#endif
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