From 0a47d1a10a276ab9c2f796ec46a9472286c37bdf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torbj=C3=B6rn=20Einarson?= <torbjorn@einarssons.se>
Date: Wed, 17 Jan 2024 08:16:41 +0100
Subject: [PATCH] fix: update DASH-IF CPP to ECCP following DASH-IF IOP 5.0

---
 mpd/mpd.go                         | 23 ++++++++++++-----------
 mpd/testdata/livesim/multi-drm.mpd |  8 ++++----
 2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/mpd/mpd.go b/mpd/mpd.go
index f51df92..e2d9662 100644
--- a/mpd/mpd.go
+++ b/mpd/mpd.go
@@ -518,10 +518,10 @@ type ContentProtectionType struct {
 	Pssh *PsshType `xml:"urn:mpeg:cenc:2013 cenc:pssh,omitempty"`
 	// MSPro is Microsoft PlayReady provisioning data with namespace "urn:microsoft:playready and "prefix "mspr".
 	MSPro *MSProType `xml:"urn:microsoft:playready mspr:pro,omitempty"`
-	// ClearKey is DASH-IF clear key
-	ClearKey *ClearKeyType `xml:"http://dashif.org/guidelines/clearKey ck:Laurl,omitempty"`
-	// LaURL is DASH-IF License Acquisition URL.
-	LaURL *LaURL `xml:"https://dashif.org/ dashif:laurl,omitempty"`
+	// LaURL is DASH-IF License Acquisition URL according to DASH-IF IOp v5.0.
+	LaURL *LaURLType `xml:"https://dashif.org/CPS dashif:Laurl,omitempty"`
+	// AuthzURL is DASH-IF clear key authorization URL according to DASH-IF IOp v5.0.
+	AuthzURL *AuthzURLType `xml:"https://dashif.org/CPS dashif:Authzurl,omitempty"`
 	// MarlinContentIds is Marlin Content Ids containing one or more MarlineContentId elements.
 	MarlinContentIds *MarlinContentIds `xml:"urn:marlin:mas:1-0:services:schemas:mpd mas:MarlinContentIds,omitempty"`
 	DescriptorType
@@ -537,15 +537,16 @@ type MSProType struct {
 	Value string `xml:",chardata"`
 }
 
-// ClearKeyType is DASH-IF clear key type
-type ClearKeyType struct {
-	LicType string `xml:"Lic_type,attr"`
-	Value   string `xml:",chardata"`
+// LaURLType is License Acquisition URL according to DASH-IF IOP v5.0.
+type LaURLType struct {
+	LicenseType string `xml:"licenseType,attr,omitempty"`
+	Value       AnyURI `xml:",chardata"`
 }
 
-// LaURL is License Acquisition URL.
-type LaURL struct {
-	Value string `xml:",chardata"`
+// AuthzURLType is DASH-IF Authzurl according to DASH-IF IOp v5.0.
+type AuthzURLType struct {
+	AuthzType string `xml:"authzType,attr,omitempty"`
+	Value     AnyURI `xml:",chardata"`
 }
 
 // MarlinContentIds is Marlin Content Ids containing one or more MarlineContentId elements.
diff --git a/mpd/testdata/livesim/multi-drm.mpd b/mpd/testdata/livesim/multi-drm.mpd
index 00aab85..5969cfd 100644
--- a/mpd/testdata/livesim/multi-drm.mpd
+++ b/mpd/testdata/livesim/multi-drm.mpd
@@ -1,12 +1,12 @@
 <?xml version="1.0" ?>
-<MPD xmlns:cenc="urn:mpeg:cenc:2013" xmlns:ck="http://dashif.org/guidelines/clearKey" xmlns:dashif="https://dashif.org/" xmlns:mas="urn:marlin:mas:1-0:services:schemas:mpd" xmlns:mspr="urn:microsoft:playready" xmlns="urn:mpeg:dash:schema:mpd:2011" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT1.92S" mediaPresentationDuration="PT5S" type="static">
+<MPD xmlns:cenc="urn:mpeg:cenc:2013" xmlns:dashif="https://dashif.org/CPS" xmlns:mas="urn:marlin:mas:1-0:services:schemas:mpd" xmlns:mspr="urn:microsoft:playready" xmlns="urn:mpeg:dash:schema:mpd:2011" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT1.92S" mediaPresentationDuration="PT5S" type="static">
   <Period>
     <AdaptationSet mimeType="video/mp4" segmentAlignment="true" startWithSAP="1" maxWidth="640" maxHeight="360">
       <ContentProtection schemeIdUri="urn:mpeg:dash:mp4protection:2011" value="cenc" cenc:default_KID="121a0fca-0f1b-475b-8910-297fa8e0a07e"/>
-      <!-- Clear Key -->
+      <!-- DASH-IF Enhanced Clear Key Content Protection (ECCP) -->
       <ContentProtection schemeIdUri="urn:uuid:e2719d58-a985-b3c9-781a-b030af78d30e" value="ClearKey1.0">
-        <ck:Laurl Lic_type="EME-1.0">http://clearkey.source.org</ck:Laurl>
-        <dashif:laurl>http://clearkey.source.org</dashif:laurl>
+        <dashif:Laurl licenseType="EME-1.0">https://clearkey.source.org</dashif:Laurl>
+        <dashif:Authzurl authzType="complex">https://authentication.source.org</dashif:Authzurl>
       </ContentProtection>
       <!-- Marlin -->
       <ContentProtection schemeIdUri="urn:uuid:5E629AF5-38DA-4063-8977-97FFBD9902D4">