[PATCH] edid-decode: Report supported SL-HDR versions

[Harry Mallon <harry.mallon@codex.online>]

Specified in ETSI TS 103 433-1 v1.3.1

Signed-off-by: Harry Mallon <harry.mallon@codex.online>
---
 parse-cta-block.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/parse-cta-block.cpp b/parse-cta-block.cpp
index 97924d1..ad1e18b 100644
--- a/parse-cta-block.cpp
+++ b/parse-cta-block.cpp
@@ -1512,11 +1512,21 @@ static void cta_hdr_dyn_metadata_block(const unsigned char *x, unsigned length)
 		printf("    HDR Dynamic Metadata Type %u\n", type);
 		switch (type) {
 		case 1:
-		case 2:
 		case 4:
 			if (type_len > 2)
 				printf("      Version: %u\n", x[3] & 0xf);
 			break;
+		case 2:
+			if (type_len > 2) {
+				unsigned version = x[3] & 0xf;
+				printf("      Version: %u\n", version);
+				if (version >= 1) {
+					if (x[3] & 0x10) printf("      Supports SL-HDR1 (ETSI TS 103 433-1)\n");
+					if (x[3] & 0x20) printf("      Supports SL-HDR2 (ETSI TS 103 433-2)\n");
+					if (x[3] & 0x40) printf("      Supports SL-HDR3 (ETSI TS 103 433-3)\n");
+				}
+			}
+			break;
 		default:
 			break;
 		}
-- 
2.28.0