diff --git a/v4l2/v4l2_pr_structs.c b/v4l2/v4l2_pr_structs.c
index ce6071e..3b6fe41 100644
--- a/v4l2/v4l2_pr_structs.c
+++ b/v4l2/v4l2_pr_structs.c
@@ -195,6 +195,27 @@ if (ptr->capabilities) {
 return -1;
 }
 /* --------------------------------------------------------------------- */
+char * str_colorspace(int colspace)
+{
+switch(colspace) {
+	case V4L2_COLORSPACE_DEFAULT:		return "default";
+	case V4L2_COLORSPACE_SMPTE170M:		return "smpte170m";
+	case V4L2_COLORSPACE_SMPTE240M:		return "smpte240m";
+	case V4L2_COLORSPACE_REC709:		return "rec709";
+	case V4L2_COLORSPACE_BT878:		return "bt878";
+	case V4L2_COLORSPACE_470_SYSTEM_M:	return "470-sys-M";
+	case V4L2_COLORSPACE_470_SYSTEM_BG:	return "470-sys-BG";
+	case V4L2_COLORSPACE_JPEG:		return "jpeg";
+	case V4L2_COLORSPACE_SRGB:		return "srgb";
+	case V4L2_COLORSPACE_ADOBERGB:		return "adobergb";
+	case V4L2_COLORSPACE_BT2020:		return "bt2020";
+	case V4L2_COLORSPACE_RAW:		return "raw";
+	case V4L2_COLORSPACE_DCI_P3:		return "dci-p3";
+	}
+
+return "???";
+}
+/* --------------------------------------------------------------------- */
 int pr_v4l2_format(char *txt, struct v4l2_format *ptr)
 {
 fprintf(FP, "-- v4l2_format, %-15s  %p\n", txt, ptr);
@@ -213,7 +234,11 @@ switch(ptr->type) {
 				ptr->fmt.pix.field); /* enum v4l2_field */
 		fprintf(FP, "   padding    %d\n",
 				ptr->fmt.pix.bytesperline);
-
+		fprintf(FP, "   sizeimage  %d\n",
+				ptr->fmt.pix.sizeimage);
+		fprintf(FP, "   colorspace %d  %s\n",
+				ptr->fmt.pix.colorspace,
+				str_colorspace(ptr->fmt.pix.colorspace));
 		break;
 
 	default:	fprintf(FP, "XXX type %d unknow\n", ptr->type);
diff --git a/v4l2/video-infos.c b/v4l2/video-infos.c
index 9f43b55..c017596 100644
--- a/v4l2/video-infos.c
+++ b/v4l2/video-infos.c
@@ -123,7 +123,9 @@ for (idx=V4L2_CID_BASE; idx<V4L2_CID_LASTP1; idx++) {
 
 		}
 	else if (EINVAL==errno) {
+#if DEBUG_LEVEL
 		if (verbosity) fprintf(stderr, "id %d einval\n", idx);
+#endif
 		continue;
 		}
 	else	{