feat(CEA): Add support to vertical position

shaka-project · Aug 24, 2023 · 1aa5a1c · 1aa5a1c
1 parent 4235658
commit 1aa5a1c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/cea/cea608_memory.js b/lib/cea/cea608_memory.js
@@ -82,6 +82,10 @@ shaka.cea.Cea608Memory = class {
     const stream = `CC${(this.fieldNum_<< 1) | this.channelNum_ +1}`;
     const topLevelCue = new shaka.text.Cue(
         startTime, endTime, /* payload= */ '');
+    topLevelCue.lineInterpretation =
+        shaka.text.Cue.lineInterpretation.PERCENTAGE;
+    const maxRows = shaka.cea.Cea608Memory.CC_ROWS + 1;
+    topLevelCue.line = this.row_ / maxRows * 100;
     return shaka.cea.CeaUtils.getParsedCaption(
         topLevelCue, stream, this.rows_, startTime, endTime);
   }