From 9f0153e2a870ddefafdc832049fe334cd62fedaa Mon Sep 17 00:00:00 2001
From: Alexey Khit <alexey.khit@gmail.com>
Date: Fri, 9 Sep 2022 19:32:56 +0300
Subject: [PATCH] Adds skip SEI frame

---
 pkg/h264/helper.go | 1 +
 pkg/h264/rtp.go    | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/pkg/h264/helper.go b/pkg/h264/helper.go
index 1e623c46..a23eb847 100644
--- a/pkg/h264/helper.go
+++ b/pkg/h264/helper.go
@@ -9,6 +9,7 @@ import (
 const (
 	NALUTypePFrame = 1
 	NALUTypeIFrame = 5
+	NALUTypeSEI    = 6
 	NALUTypeSPS    = 7
 	NALUTypePPS    = 8
 )
diff --git a/pkg/h264/rtp.go b/pkg/h264/rtp.go
index 9cca7bc2..389cca1e 100644
--- a/pkg/h264/rtp.go
+++ b/pkg/h264/rtp.go
@@ -53,6 +53,9 @@ func RTPDepay(track *streamer.Track) streamer.WrapperFunc {
 					//println("new PPS")
 					pps = unit
 					continue
+				case NALUTypeSEI:
+					// some unnecessary text information
+					continue
 				}
 
 				// ffmpeg with `-tune zerolatency` enable option `-x264opts sliced-threads=1`