Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
---
edid-decode.c | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/edid-decode.c b/edid-decode.c
index 7aed3c6..58297c9 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -861,6 +861,44 @@ cea_hdmi_block(unsigned char *x)
}
}
+DEFINE_FIELD("YCbCr quantization", YCbCr_quantization, 7, 7,
+ { 0, "No Data" },
+ { 1, "Selectable (via AVI YQ)" });
+DEFINE_FIELD("RGB quantization", RGB_quantization, 6, 6,
+ { 0, "No Data" },
+ { 1, "Selectable (via AVI Q)" });
+DEFINE_FIELD("PT scan behaviour", PT_scan, 4, 5,
+ { 0, "No Data" },
+ { 1, "Always Overscannned" },
+ { 2, "Always Underscanned" },
+ { 3, "Support both over- and underscan" });
+DEFINE_FIELD("IT scan behaviour", IT_scan, 2, 3,
+ { 0, "IT video formats not supported" },
+ { 1, "Always Overscannned" },
+ { 2, "Always Underscanned" },
+ { 3, "Support both over- and underscan" });
+DEFINE_FIELD("CE scan behaviour", CE_scan, 0, 1,
+ { 0, "CE video formats not supported" },
+ { 1, "Always Overscannned" },
+ { 2, "Always Underscanned" },
+ { 3, "Support both over- and underscan" });
+
+static struct field *vcdb_fields[] = {
+ &YCbCr_quantization,
+ &RGB_quantization,
+ &PT_scan,
+ &IT_scan,
+ &CE_scan,
+};
+
+static void
+cea_vcdb(unsigned char *x)
+{
+ unsigned char d = x[2];
+
+ decode(vcdb_fields, d, " ");
+}
+
static void
cea_block(unsigned char *x)
{
@@ -895,6 +933,7 @@ cea_block(unsigned char *x)
switch (x[1]) {
case 0x00:
printf("video capability data block\n");
+ cea_vcdb(x);
break;
case 0x01:
printf("vendor-specific video data block\n");
--
1.8.3.1
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