From 4c4b9f78372eeabbd394041b63db71c76eec146d Mon Sep 17 00:00:00 2001
From: Peter Bieringer <pb@bieringer.de>
Date: Wed, 20 Jan 2021 21:37:36 +0100
Subject: expose on top of isHD now also isUHD for recordings

---
 coreengine/viewelement.c | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

(limited to 'coreengine/viewelement.c')

diff --git a/coreengine/viewelement.c b/coreengine/viewelement.c
index 306e0ce..370a58f 100644
--- a/coreengine/viewelement.c
+++ b/coreengine/viewelement.c
@@ -598,7 +598,7 @@ bool RecordingIsHD(const cEvent* event) {
 	// #1: HVEC (stream content: 9)
 	Component = Components->GetComponent(0, 9, 0);
 	if (Component) {
-	    isHD = true; // HVEC is always HD, type 4 would be even UHD
+	    isHD = true; // HVEC is always HD, type 4|5|6|7 would be even UHD (see below dedicated detection function)
 	} else {
 	    // #2: H.264 (stream content: 5)
 	    Component = Components->GetComponent(0, 5, 0);
@@ -627,3 +627,32 @@ bool RecordingIsHD(const cEvent* event) {
     };
     return isHD;
 };
+
+bool RecordingIsUHD(const cEvent* event) {
+    // detect UHD from 'info'
+    bool isUHD = false;
+    cComponents *Components = (cComponents *)event->Components();
+    if (Components) {
+	// detect UHD (see also ETSI EN 300 468)
+	// Stream: 9 = HEVC Video, AC4 Audio
+	// Stream == Video(9): 00|01|02|03 = HD, 04|05|06|07 = UHD
+
+	tComponent *Component;
+	int type = -1;
+
+	// HVEC (stream content: 9)
+	Component = Components->GetComponent(0, 9, 0);
+	if (Component) {
+	    type = Component->type;
+	};
+
+	switch (type) {
+	    case 0x04:
+	    case 0x05:
+	    case 0x06:
+	    case 0x07:
+		isUHD = true;
+	};
+    };
+    return isUHD;
+};
-- 
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