Add SEI with resolution payloadType 5 based on H264 specification (Us…

…er data unregistered SEI message) (video-dev#2126)
Biswaranjanp · May 7, 2019 · f4792b4 · f4792b4
1 parent 634946a
commit f4792b4
Showing 1 changed file with 27 additions and 0 deletions.
diff --git a/src/demux/tsdemuxer.js b/src/demux/tsdemuxer.js
@@ -687,6 +687,33 @@ class TSDemuxer {
                 }
               }
             }
+          } else if (payloadType === 5 && expGolombDecoder.bytesAvailable !== 0) {
+            endOfCaptions = true;
+
+            if (payloadSize > 16) {
+              let uuidStrArray = [];
+              let userDataPayloadBytes = [];
+
+              for (i = 0; i < 16; i++) {
+                uuidStrArray.push(expGolombDecoder.readUByte().toString(16));
+
+                if (i === 3 || i === 5 || i === 7 || i === 9) {
+                  uuidStrArray.push('-');
+                }
+              }
+
+              for (i = 16; i < payloadSize; i++) {
+                userDataPayloadBytes.push(expGolombDecoder.readUByte());
+              }
+
+              this._insertSampleInOrder(this._txtTrack.samples, {
+                pts: pes.pts,
+                payloadType: payloadType,
+                uuid: uuidStrArray.join(''),
+                userData: String.fromCharCode.apply(null, userDataPayloadBytes),
+                userDataBytes: userDataPayloadBytes
+              });
+            }
           } else if (payloadSize < expGolombDecoder.bytesAvailable) {
             for (i = 0; i < payloadSize; i++) {
               expGolombDecoder.readUByte();