Add DASH support

lib/dash/dash_parser.js

@@ -2004,6 +2004,8 @@ shaka.dash.DashParser = class {
         this.config_.ignoreDrmInfo,
         this.config_.dash.keySystemsByURI);
 
+    context.adaptationSet.encrypted = contentProtection.drmInfos.length > 0;
+
     const language = shaka.util.LanguageUtils.normalize(
         context.adaptationSet.language || 'und');
 
@@ -2624,6 +2626,7 @@ shaka.dash.DashParser = class {
       audioSamplingRate: null,
       availabilityTimeOffset: 0,
       segmentSequenceCadence: 0,
+      encrypted: false,
     });
     getBaseUris = getBaseUris || parent.getBaseUris;
 
@@ -2756,6 +2759,7 @@ shaka.dash.DashParser = class {
       segmentSequenceCadence:
           segmentSequenceCadence || parent.segmentSequenceCadence,
       label: label || null,
+      encrypted: false,
     };
   }
 
@@ -3306,7 +3310,8 @@ shaka.dash.DashParser.RequestSegmentCallback;
  *   initialization: ?string,
  *   aesKey: (shaka.extern.aesKey|undefined),
  *   segmentSequenceCadence: number,
- *   label: ?string
+ *   label: ?string,
+ *   encrypted: boolean
  * }}
  *
  * @description
@@ -3360,6 +3365,8 @@ shaka.dash.DashParser.RequestSegmentCallback;
  *   Representation.
  * @property {?string} label
  *   Label or null if unknown.
+ * @property {boolean} encrypted
+ *   Specifies is encrypted or not.
  */
 shaka.dash.DashParser.InheritanceFrame;
 

lib/dash/segment_base.js

@@ -66,14 +66,16 @@ shaka.dash.SegmentBase = class {
 
     const getUris = () => resolvedUris;
     const qualityInfo = shaka.dash.SegmentBase.createQualityInfo(context);
+    const encrypted = context.adaptationSet.encrypted;
     const ref = new shaka.media.InitSegmentReference(
         getUris,
         startByte,
         endByte,
         qualityInfo,
         /* timescale= */ null,
         /* segmentData= */ null,
-        aesKey);
+        aesKey,
+        encrypted);
     ref.codecs = context.representation.codecs;
     ref.mimeType = context.representation.mimeType;
     return ref;

lib/dash/segment_template.js

@@ -690,14 +690,16 @@ shaka.dash.SegmentTemplate = class {
       return resolvedUris;
     };
     const qualityInfo = shaka.dash.SegmentBase.createQualityInfo(context);
+    const encrypted = context.adaptationSet.encrypted;
     const ref = new shaka.media.InitSegmentReference(
         getUris,
         /* startByte= */ 0,
         /* endByte= */ null,
         qualityInfo,
         /* timescale= */ null,
         /* segmentData= */ null,
-        aesKey);
+        aesKey,
+        encrypted);
     ref.codecs = context.representation.codecs;
     ref.mimeType = context.representation.mimeType;
     return ref;