彩色条纹bt656流代码
时间: 2023-07-09 16:07:23 浏览: 42
以下是一个基本的彩色条纹BT656流代码示例:
```c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define WIDTH 640
#define HEIGHT 480
int main() {
FILE *out = fopen("output.bt656", "wb");
if (!out) {
printf("Failed to open output file.\n");
return -1;
}
uint8_t data[WIDTH * HEIGHT * 2];
memset(data, 0, sizeof(data));
// Generate color bars
for (int i = 0; i < HEIGHT; i++) {
uint16_t *line = (uint16_t*)(data + i * WIDTH * 2);
int bar_num = i / (HEIGHT / 8);
uint16_t color = 0;
switch(bar_num) {
case 0: color = 0xFFFF; break;
case 1: color = 0xF800; break;
case 2: color = 0x07E0; break;
case 3: color = 0x001F; break;
case 4: color = 0xFFE0; break;
case 5: color = 0x07FF; break;
case 6: color = 0xF81F; break;
case 7: color = 0x0000; break;
}
for (int j = 0; j < WIDTH; j++) {
line[j] = color;
}
}
// Write to file
fwrite(data, sizeof(data), 1, out);
fclose(out);
printf("BT656 stream generated successfully.\n");
return 0;
}
```
该代码在输出文件中生成一个包含彩色条纹BT656流的二进制文件。每个像素由16位组成,其中5位为红色分量,6位为绿色分量,5位为蓝色分量。每个彩色条纹块的高度为图像高度的1/8。