Revert "flv-demuxer: Drop tags which have timestamps smaller than pre…

…vious same type tag" This reverts commit 58792a0.
tsukumijima · Sep 13, 2021 · 705a72b · 705a72b
1 parent 46fd879
commit 705a72b
Showing 1 changed file with 0 additions and 17 deletions.
diff --git a/src/demux/flv-demuxer.js b/src/demux/flv-demuxer.js
@@ -77,9 +77,6 @@ class FLVDemuxer {
         this._audioMetadata = null;
         this._videoMetadata = null;
 
-        this._prevVideoTagTimestamp = 0;
-        this._prevAudioTagTimestamp = 0;
-
         this._naluLengthSize = 4;
         this._timestampBase = 0;  // int32, in milliseconds
         this._timescale = 1000;
@@ -125,9 +122,6 @@ class FLVDemuxer {
         this._videoTrack = null;
         this._audioTrack = null;
 
-        this._prevVideoTagTimestamp = 0;
-        this._prevAudioTagTimestamp = 0;
-
         this._onError = null;
         this._onMediaInfo = null;
         this._onMetaDataArrived = null;
@@ -334,15 +328,6 @@ class FLVDemuxer {
 
             let timestamp = ts0 | (ts1 << 8) | (ts2 << 16) | (ts3 << 24);
 
-            if (tagType === 8 && timestamp < this._prevAudioTagTimestamp ||
-                tagType === 9 && timestamp < this._prevVideoTagTimestamp) {
-                let prevTimestamp = (tagType === 8) ? this._prevAudioTagTimestamp : this._prevVideoTagTimestamp;
-                Log.w(this.TAG, `Tag timestamp ${timestamp} is smaller than previous tag timestamp ${prevTimestamp}, skipped`);
-                // consume the whole tag (skip it)
-                offset += 11 + dataSize + 4;
-                continue;
-            }
-
             let streamId = v.getUint32(7, !le) & 0x00FFFFFF;
             if (streamId !== 0) {
                 Log.w(this.TAG, 'Meet tag which has StreamID != 0!');
@@ -352,11 +337,9 @@ class FLVDemuxer {
 
             switch (tagType) {
                 case 8:  // Audio
-                    this._prevAudioTagTimestamp = timestamp;
                     this._parseAudioData(chunk, dataOffset, dataSize, timestamp);
                     break;
                 case 9:  // Video
-                    this._prevVideoTagTimestamp = timestamp;
                     this._parseVideoData(chunk, dataOffset, dataSize, timestamp, byteStart + offset);
                     break;
                 case 18:  // ScriptDataObject