From: Arnaud Vrac <[email protected]>
---
edid-decode.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/edid-decode.c b/edid-decode.c
index ea3768b..70d82fe 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -995,6 +995,40 @@ static struct field *vcdb_fields[] = {
&CE_scan,
};
+static const char *sadb_map[] = {
+ "FL/FR",
+ "LFE",
+ "FC",
+ "RL/RR",
+ "RC",
+ "FLC/FRC",
+ "RLC/RRC",
+ "FLW/FRW",
+ "FLH/FRH",
+ "TC",
+ "FCH",
+};
+
+static void
+cea_sadb(unsigned char *x)
+{
+ int length = x[0] & 0x1f;
+ int i;
+
+ if (length >= 3) {
+ uint16_t sad = ((x[2] << 8) | x[1]);
+
+ printf(" Speaker map:");
+
+ for (i = 0; i < ARRAY_SIZE(sadb_map); i++) {
+ if ((sad >> i) & 1)
+ printf(" %s", sadb_map[i]);
+ }
+
+ printf("\n");
+ }
+}
+
static void
cea_vcdb(unsigned char *x)
{
@@ -1028,6 +1062,7 @@ cea_block(unsigned char *x)
break;
case 0x04:
printf(" Speaker allocation data block\n");
+ cea_sadb(x);
break;
case 0x05:
printf(" VESA DTC data block\n");
--
2.7.4
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