feat: Add HDR detection in Tizen and WebOS (#8680)

Close #8441

---------

Co-authored-by: Wojciech Tyczyński <[email protected]>

Author: avelad

externs/tizen.js

@@ -39,3 +39,13 @@ webapis.productinfo.is8KPanelSupported = function() {};
  */
 webapis.productinfo.isUdPanelSupported = function() {};
 
+
+/** @const */
+webapis.avinfo = {};
+
+
+/**
+ * @return {boolean}
+ */
+webapis.avinfo.isHdrTvSupport = function() {};
+

externs/webos.js

@@ -17,3 +17,15 @@ var PalmSystem = {};
 
 /** @type {string} */
 PalmSystem.deviceInfo;
+
+
+/** @constructor */
+function PalmServiceBridge() {}
+
+
+/** @type {?Function} */
+PalmServiceBridge.prototype.onservicecallback;
+
+
+/** @type {Function} */
+PalmServiceBridge.prototype.call = function() {};

lib/device/tizen.js

@@ -173,6 +173,21 @@ shaka.device.Tizen = class extends shaka.device.AbstractDevice {
     return codecs;
   }
 
+  /**
+   * @override
+   */
+  getHdrLevel(preferHLG) {
+    try {
+      if (webapis.avinfo.isHdrTvSupport()) {
+        // It relies on previous codec filtering
+        return preferHLG ? 'HLG' : 'PQ';
+      }
+    } catch (e) {
+      return super.getHdrLevel(preferHLG);
+    }
+    return 'SDR';
+  }
+
   /**
    * @override
    */

lib/device/webos.js

@@ -22,6 +22,33 @@ shaka.device.WebOS = class extends shaka.device.AbstractDevice {
 
     /** @private {?number} */
     this.osVersion_ = this.guessWebOSVersion_();
+
+    /** @private {?boolean} */
+    this.supportHdr_ = null;
+
+    try {
+      const bridge = new PalmServiceBridge();
+      bridge.onservicecallback = (n) => {
+        shaka.log.info(n);
+        const configsJSON =
+        /** @type {shaka.device.WebOS.PalmServiceBridgeResponse} */ (
+            JSON.parse(n));
+        this.supportHdr_ = configsJSON.configs['tv.model.supportHDR'] ||
+            configsJSON.configs['tv.config.supportDolbyHDRContents'] || false;
+      };
+      const configs = {
+        configNames: [
+          'tv.model.supportHDR',
+          'tv.config.supportDolbyHDRContents',
+        ],
+      };
+      // eslint-disable-next-line no-restricted-syntax
+      bridge.call('luna://com.webos.service.config/getConfigs',
+          JSON.stringify(configs));
+    } catch (e) {
+      shaka.log.alwaysWarn('WebOS: getConfigs call failed', e);
+      // Ignore errors.
+    }
   }
 
   /**
@@ -123,6 +150,21 @@ shaka.device.WebOS = class extends shaka.device.AbstractDevice {
     return config;
   }
 
+  /**
+   * @override
+   */
+  getHdrLevel(preferHLG) {
+    if (this.supportHdr_ == null) {
+      shaka.log.alwaysWarn('WebOS: getConfigs call haven\'t finished');
+      return super.getHdrLevel(preferHLG);
+    }
+    if (this.supportHdr_) {
+      // It relies on previous codec filtering
+      return preferHLG ? 'HLG' : 'PQ';
+    }
+    return 'SDR';
+  }
+
   /**
    * @return {?number}
    * @private
@@ -172,7 +214,18 @@ shaka.device.WebOS = class extends shaka.device.AbstractDevice {
   }
 };
 
+
+/**
+ * @typedef {{
+ *   configs: Object
+ * }}
+ *
+ * @property {Object} configs
+ */
+shaka.device.WebOS.PalmServiceBridgeResponse;
+
 if (shaka.device.WebOS.isWebOS_()) {
+  const webOSDevice = new shaka.device.WebOS();
   shaka.device.DeviceFactory.registerDeviceFactory(
-      () => new shaka.device.WebOS());
+      () => webOSDevice);
 }

project-words.txt

@@ -468,6 +468,7 @@ TARGETDURATION
 
 # other
 autoglottonym
+avinfo
 awesomplete
 axinom
 beatle
@@ -492,6 +493,7 @@ malform
 masterlist
 mbps
 msdk
+onservicecallback
 productinfo
 servernum
 sintel