CEA: rudimentary Video Data Block support.

i-nex · Sep 22, 2008 · fa29460 · fa29460
1 parent 02f0a2d
commit fa29460
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/edid-decode.c b/edid-decode.c
@@ -410,6 +410,16 @@ do_checksum(unsigned char *x)
 
 /* CEA extension */
 
+static void
+cea_video_block(unsigned char *x)
+{
+    int i;
+    int length = x[0] & 0x1f;
+
+    for (i = 1; i < length; i++)
+	printf("    VIC %02x %s\n", x[i] & 0x7f, x[i] & 0x80 ? "(native)" : "");
+}
+
 static void
 cea_hdmi_block(unsigned char *x)
 {
@@ -447,6 +457,10 @@ cea_block(unsigned char *x)
     unsigned int oui;
 
     switch ((x[0] & 0xe0) >> 5) {
+	case 0x02:
+	    printf("  Video data block\n");
+	    cea_video_block(x);
+	    break;
 	case 0x03:
 	    /* yes really, endianness lols */
 	    oui = (x[3] << 16) + (x[2] << 8) + x[1];