package: v4l2test: Fix zero size file for rawdata format

package/starfive/v4l2_test/common.c

@@ -33,6 +33,25 @@ void dump_fourcc(uint32_t fourcc)
         fourcc >> 24);
 }
 
+int is_raw_v4l2fmt(uint32_t format)
+{
+    int ret;
+
+    switch (format) {
+    case V4L2_PIX_FMT_SRGGB12:
+    case V4L2_PIX_FMT_SGRBG12:
+    case V4L2_PIX_FMT_SGBRG12:
+    case V4L2_PIX_FMT_SBGGR12:
+        ret = 1;
+        break;
+    default:
+        ret = 0;
+        break;
+    }
+
+    return ret;
+}
+
 // convert v4l2 format to fb format
 int v4l2fmt_to_fbfmt(uint32_t format)
 {

package/starfive/v4l2_test/common.h

@@ -80,7 +80,7 @@ extern void jpegWrite(unsigned char* img, char* jpegFilename,
         uint32_t width, uint32_t height, int jpegQuality);
 extern int write_JPEG_file(char * filename,unsigned char *image_buffer,
         int image_width, int image_height, int quality);
-
+extern int is_raw_v4l2fmt(uint32_t format);
 // inline int clip(int value, int min, int max) {
 //     return (value > max ? max : value < min ? min : value);
 // }

package/starfive/v4l2_test/v4l2_test.c

@@ -614,7 +614,9 @@ static void mainloop()
         exit(EXIT_FAILURE);
     }
 
-    if (!gp_cfg_param->rec_fp && gp_cfg_param->jpegFilename) {
+    if (!gp_cfg_param->rec_fp &&
+       gp_cfg_param->jpegFilename &&
+       !is_raw_v4l2fmt(gp_cfg_param->v4l2_param.format)) {
         gp_cfg_param->rec_fp = fopen(gp_cfg_param->jpegFilename, "w+");
         if (!gp_cfg_param->rec_fp) {
             LOG(STF_LEVEL_ERR, "can't open %s\n", gp_cfg_param->jpegFilename);