Add config for low latency mode

Issue shaka-project#1525 Change-Id: I561ac50b4681036b7675efdceae70937c4b9244d
Pavelas · Jun 9, 2020 · 6d373eb · 6d373eb
1 parent a201be4
commit 6d373eb
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Showing 6 changed files with 14 additions and 2 deletions.
diff --git a/demo/common/message_ids.js b/demo/common/message_ids.js
@@ -163,6 +163,7 @@ shakaDemo.MessageIds = {
   LOG_LEVEL_V: 'DEMO_LOG_LEVEL_V',
   LOG_LEVEL_VV: 'DEMO_LOG_LEVEL_VV',
   LOG_LICENSE_EXCHANGE: 'DEMO_LOG_LICENSE_EXCHANGE',
+  LOW_LATENCY: 'DEMO_LOW_LATENCY',
   MANIFEST_RETRY_SECTION_HEADER: 'DEMO_MANIFEST_RETRY_SECTION_HEADER',
   MANIFEST_SECTION_HEADER: 'DEMO_MANIFEST_SECTION_HEADER',
   MAX_ATTEMPTS: 'DEMO_MAX_ATTEMPTS',

diff --git a/demo/config.js b/demo/config.js
@@ -208,7 +208,9 @@ shakaDemo.Config = class {
         .addBoolInput_(MessageIds.DISABLE_VIDEO,
             'manifest.disableVideo')
         .addBoolInput_(MessageIds.DISABLE_TEXT,
-            'manifest.disableText');
+            'manifest.disableText')
+        .addBoolInput_(MessageIds.LOW_LATENCY,
+            'manifest.lowLatencyMode');
 
     this.addRetrySection_('manifest', MessageIds.MANIFEST_RETRY_SECTION_HEADER);
   }

diff --git a/demo/locales/en.json b/demo/locales/en.json
@@ -96,6 +96,7 @@
   "DEMO_LOG_LEVEL_V": "Verbose",
   "DEMO_LOG_LEVEL_VV": "Very Verbose",
   "DEMO_LOG_LICENSE_EXCHANGE": "Log license exchange data",
+  "DEMO_LOW_LATENCY": "Low Latency Mode",
   "DEMO_MANIFEST_RETRY_SECTION_HEADER": "Manifest Retry Parameters",
   "DEMO_MANIFEST_SEARCH": "Manifest",
   "DEMO_MANIFEST_SECTION_HEADER": "Manifest",

diff --git a/demo/locales/source.json b/demo/locales/source.json
@@ -387,6 +387,10 @@
     "description": "The label on a field that allows users to select whether to log data about the license exchange",
     "message": "Log license exchange data"
   },
+  "DEMO_LOW_LATENCY": {
+    "description": "The name of a configuration value.",
+    "message": "Low Latency Streaming"
+  },
   "DEMO_MANIFEST_RETRY_SECTION_HEADER": {
     "description": "The header for a section of configuration values.",
     "message": "Manifest Retry Parameters"

diff --git a/externs/shaka/player.js b/externs/shaka/player.js
@@ -661,7 +661,8 @@ shaka.extern.HlsManifestConfiguration;
  *   disableText: boolean,
  *   defaultPresentationDelay: number,
  *   dash: shaka.extern.DashManifestConfiguration,
- *   hls: shaka.extern.HlsManifestConfiguration
+ *   hls: shaka.extern.HlsManifestConfiguration,
+ *   lowLatencyMode: boolean
  * }}
  *
  * @property {shaka.extern.RetryParameters} retryParameters
@@ -692,6 +693,8 @@ shaka.extern.HlsManifestConfiguration;
  *   Advanced parameters used by the DASH manifest parser.
  * @property {shaka.extern.HlsManifestConfiguration} hls
  *   Advanced parameters used by the HLS manifest parser.
+ * @property {boolean} lowLatencyMode
+ *  If <code>true</code>, low latency streaming mode is enabled.
  *
  * @exportDoc
  */

diff --git a/lib/util/player_configuration.js b/lib/util/player_configuration.js
@@ -83,6 +83,7 @@ shaka.util.PlayerConfiguration = class {
       disableVideo: false,
       disableText: false,
       defaultPresentationDelay: 0,
+      lowLatencyMode: false,
       dash: {
         clockSyncUri: '',
         ignoreDrmInfo: false,