ii1

nv12.c

+#include <stdio.h>
+#include <stdlib.h>
+#define LOG_W(fmt, args...) printf("\033[33m[Module_Menusetting][%s@%d]:\033[0m" fmt, __func__, __LINE__, ##args);
+
+/**
+ * Add border for YUV420P file
+ * @param url     Location of Input YUV file.
+ * @param w       Width of Input YUV file.
+ * @param h       Height of Input YUV file.
+ * @param border  Width of Border.
+ * @param num     Number of frames to process.
+ */
+int simplest_yuv420_border(char *url, int w, int h,int border)
+{
+	FILE *fp=fopen(url,"rb+");
+	FILE *fp1=fopen("output_border.yuv","wb+");
+	int j, k;
+
+	unsigned char *pic=(unsigned char *)malloc(w*h*3/2);
+
+	int ow = w -border*2;
+	int oh = h -border*2;
+	unsigned char *out=(unsigned char *)malloc(ow*oh*3/2);
+	int out_i = 0;
+	int real_w, real_h;
+	int count;
+	int i;
+
+
+	fread(pic,1,w*h*3/2,fp);
+	//Y
+#if 1
+	for(j=0;j<h;j++){
+		for(k=0, count = 0;k<w;k++){
+			if(k<border||k>(w-border-1)||j<border||j>(h - border - 1)){
+				//pic[j*w+k]=0;
+			} else {
+				count ++;
+				out[out_i] =  pic[j*w+k];
+				out_i++;
+			}
+		}
+		//LOG_W("%d, %d, %d\n",j, out_i, count);
+	}
+#endif
+#if 1
+	for (i = 0; i < w * (h / 2); i++) {
+		/*U, Cb*/
+		if (i % 2 == 0) {
+			real_h = ( (i / 2) / (w / 2)) * 2;
+			real_w = ( (i / 2) % (w / 2)) * 2;
+			/*LOG_W("(%d, %d)\n", real_h, real_w);*/
+			if(real_w<border||real_w>(w-border-1)||real_h<border||real_h>(h - border - 1)){
+			} else {
+				out[out_i] =  pic[w * h + i];
+				out_i++;
+				printf("U");
+			}
+
+		/*V, Cr*/
+		} else {
+			real_h = ( (i / 2) / (w / 2)) * 2 + 1;
+			real_w = ( (i / 2) % (w / 2)) * 2;
+			/*LOG_W("(%d, %d)\n", real_h, real_w);*/
+			if(real_w<border||real_w>(w-border-1)||real_h<border||real_h>(h - border - 1)){
+			} else {
+				out[out_i] =  pic[w * h + i];
+				out_i++;
+				printf("V");
+			}
+		}
+	}
+#endif
+
+
+	fwrite(out,1,oh * ow * 3 / 2,fp1);
+	LOG_W("%d,%d\n", out_i, w * (h /4));
+
+	free(out);
+	free(pic);
+	fclose(fp);
+	fclose(fp1);
+
+	return 0;
+}
+int main()
+{
+	simplest_yuv420_border("0N_1.yuv", 720, 288,10);
+	return 0;
+}

test.c

+#include <stdio.h>
+#include <stdlib.h>
+/**
+ * Add border for YUV420P file
+ * @param url     Location of Input YUV file.
+ * @param w       Width of Input YUV file.
+ * @param h       Height of Input YUV file.
+ * @param border  Width of Border.
+ * @param num     Number of frames to process.
+ */
+int simplest_yuv420_border(char *url, int w, int h,int border)
+{
+	FILE *fp=fopen(url,"rb+");
+	FILE *fp1=fopen("output_border.yuv","wb+");
+	int j, k;
+
+	unsigned char *pic=(unsigned char *)malloc(w*h*3/2);
+
+	int ow = w -border*2;
+	int oh = h -border*2;
+	unsigned char *out=(unsigned char *)malloc(ow*oh*3/2);
+	int out_i = 0;
+	int real_w, real_h;
+	int count;
+	int i;
+
+
+	fread(pic,1,w*h*3/2,fp);
+	//Y
+#if 1
+	for(j=0;j<h;j++){
+		for(k=0, count = 0;k<w;k++){
+			if(k<border||k>(w-border-1)||j<border||j>(h - border - 1)){
+				//pic[j*w+k]=0;
+			} else {
+				count ++;
+				out[out_i] =  pic[j*w+k];
+				out_i++;
+			}
+		}
+		//printf("%d, %d, %d\n",j, out_i, count);
+	}
+#endif
+#if 1
+	//U
+	count = 0;
+	for(i=0; i< w * (h/4);i++){
+		real_h = (i / (w/2) ) * 2;
+		real_w = (i % (w / 2)) * 2;
+		//printf("(%d, %d), \n", real_h, real_w);
+		if(real_w<border||real_w>(w-border-1)||real_h<border||real_h>(h - border - 1)){
+		} else {
+			out[out_i] =  pic[w * h + i];
+			out_i++;
+			count++;
+		}
+	}
+	printf("count: %d\n", count);
+#endif
+#if 1
+	for(i=0; i< w * (h/4);i++){
+		real_h = (i / (w/2) ) * 2 + 1;
+		real_w = (i % (w / 2)) * 2;
+		printf("(%d, %d), \n", real_h, real_w);
+		if(real_w<border||real_w>(w-border-1)||real_h<border||real_h>(h - border - 1)){
+		} else {
+			out[out_i] =  pic[w * h + i];
+			out_i++;
+			count++;
+		}
+	}
+#endif
+
+
+	fwrite(out,1,oh * ow * 3 / 2,fp1);
+	printf("%d,%d\n", out_i, w * (h /4));
+
+	free(out);
+	free(pic);
+	fclose(fp);
+	fclose(fp1);
+
+	return 0;
+}
+int main()
+{
+	simplest_yuv420_border("0N_1.yuv", 720, 288,10);
+	return 0;
+}